diff options
| author | Kartik Agaram <vc@akkartik.com> | 2019-02-18 22:43:01 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2019-02-18 22:43:01 -0800 |
| commit | e99038ea514a8703b170689d5a0730c8d2e542e7 (patch) | |
| tree | 841f1bb5b26c8110ba272dcae9d6a84d083c783e | |
| parent | 8188bbbc9408322c18cdc2d1049126900abf793c (diff) | |
| download | mu-e99038ea514a8703b170689d5a0730c8d2e542e7.tar.gz | |
4982
60 files changed, 12251 insertions, 12259 deletions
diff --git a/html/subx/001help.cc.html b/html/subx/001help.cc.html index 2aef411f..eeea8380 100644 --- a/html/subx/001help.cc.html +++ b/html/subx/001help.cc.html @@ -119,7 +119,7 @@ if ('onhashchange' in window) { <span id="L59" class="LineNr"> 59 </span><span class="Delimiter">:(code)</span> <span id="L60" class="LineNr"> 60 </span><span class="Normal">void</span> <a href='001help.cc.html#L60'>init_help</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> <span id="L61" class="LineNr"> 61 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='001help.cc.html#L53'>Help</a></span><span class="Delimiter">,</span> <span class="Constant">"usage"</span><span class="Delimiter">,</span> -<span id="L62" class="LineNr"> 62 </span> <span class="Constant">"Welcome to SubX, a better way to <a href='011run.cc.html#L99'>program</a> in machine code.\n"</span> +<span id="L62" class="LineNr"> 62 </span> <span class="Constant">"Welcome to SubX, a better way to <a href='011run.cc.html#L95'>program</a> in machine code.\n"</span> <span id="L63" class="LineNr"> 63 </span> <span class="Constant">"SubX uses a subset of the x86 instruction set. SubX programs will run\n"</span> <span id="L64" class="LineNr"> 64 </span> <span class="Constant">"without modification on Linux computers.\n"</span> <span id="L65" class="LineNr"> 65 </span> <span class="Constant">"It provides a better experience and better error messages than\n"</span> @@ -131,11 +131,11 @@ if ('onhashchange' in window) { <span id="L71" class="LineNr"> 71 </span> <span class="Constant">" subx test\n"</span> <span id="L72" class="LineNr"> 72 </span> <span class="Constant">"- See this message:\n"</span> <span id="L73" class="LineNr"> 73 </span> <span class="Constant">" subx --help\n"</span> -<span id="L74" class="LineNr"> 74 </span> <span class="Constant">"- Convert a textual SubX <a href='011run.cc.html#L99'>program</a> into a standard ELF binary that you can\n"</span> -<span id="L75" class="LineNr"> 75 </span> <span class="Constant">" <a href='011run.cc.html#L83'>run</a> on your computer:\n"</span> +<span id="L74" class="LineNr"> 74 </span> <span class="Constant">"- Convert a textual SubX <a href='011run.cc.html#L95'>program</a> into a standard ELF binary that you can\n"</span> +<span id="L75" class="LineNr"> 75 </span> <span class="Constant">" <a href='011run.cc.html#L79'>run</a> on your computer:\n"</span> <span id="L76" class="LineNr"> 76 </span> <span class="Constant">" subx translate input1.subx intput2.subx ... -o <output ELF binary>\n"</span> <span id="L77" class="LineNr"> 77 </span> <span class="Constant">"- Run a SubX binary using SubX itself (for better error messages):\n"</span> -<span id="L78" class="LineNr"> 78 </span> <span class="Constant">" subx <a href='011run.cc.html#L83'>run</a> <ELF binary>\n"</span> +<span id="L78" class="LineNr"> 78 </span> <span class="Constant">" subx <a href='011run.cc.html#L79'>run</a> <ELF binary>\n"</span> <span id="L79" class="LineNr"> 79 </span> <span class="Constant">"\n"</span> <span id="L80" class="LineNr"> 80 </span> <span class="Constant">"== Debugging aids\n"</span> <span id="L81" class="LineNr"> 81 </span> <span class="Constant">"- Add '--trace' to any of these commands to print a <a href='003trace.cc.html#L183'>trace</a> to stderr\n"</span> @@ -148,7 +148,7 @@ if ('onhashchange' in window) { <span id="L88" class="LineNr"> 88 </span> <span class="Constant">"Options starting with '--' must always come before any other arguments.\n"</span> <span id="L89" class="LineNr"> 89 </span> <span class="Constant">"\n"</span> <span id="L90" class="LineNr"> 90 </span> <span class="Constant">"To start learning how to write SubX programs, see Readme.md (particularly\n"</span> -<span id="L91" class="LineNr"> 91 </span> <span class="Constant">"the section on the x86 instruction set) and then <a href='011run.cc.html#L83'>run</a>:\n"</span> +<span id="L91" class="LineNr"> 91 </span> <span class="Constant">"the section on the x86 instruction set) and then <a href='011run.cc.html#L79'>run</a>:\n"</span> <span id="L92" class="LineNr"> 92 </span> <span class="Constant">" subx help\n"</span> <span id="L93" class="LineNr"> 93 </span> <span class="Delimiter">);</span> <span id="L94" class="LineNr"> 94 </span> <span class="Comment">// End Help Texts</span> diff --git a/html/subx/003trace.cc.html b/html/subx/003trace.cc.html index 2ec5850f..9daafa34 100644 --- a/html/subx/003trace.cc.html +++ b/html/subx/003trace.cc.html @@ -333,7 +333,7 @@ if ('onhashchange' in window) { <span id="L274" class="LineNr">274 </span> <span class="Delimiter">}</span> <span id="L275" class="LineNr">275 </span> <span id="L276" class="LineNr">276 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L301'>line_exists_anywhere</a><span class="Delimiter">(</span>label<span class="Delimiter">,</span> <a href='003trace.cc.html#L74'>contents</a><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L277" class="LineNr">277 </span> cerr << <span class="Constant">"\nF - "</span> << FUNCTION << <span class="Constant">"("</span> << <span class="Normal">FILE</span> << <span class="Constant">":"</span> << LINE << <span class="Constant">"): <a href='011run.cc.html#L117'>line</a> ["</span> << label << <span class="Constant">": "</span> << <a href='003trace.cc.html#L74'>contents</a> << <span class="Constant">"] out of order in <a href='003trace.cc.html#L183'>trace</a>:\n"</span><span class="Delimiter">;</span> +<span id="L277" class="LineNr">277 </span> cerr << <span class="Constant">"\nF - "</span> << FUNCTION << <span class="Constant">"("</span> << <span class="Normal">FILE</span> << <span class="Constant">":"</span> << LINE << <span class="Constant">"): <a href='011run.cc.html#L113'>line</a> ["</span> << label << <span class="Constant">": "</span> << <a href='003trace.cc.html#L74'>contents</a> << <span class="Constant">"] out of order in <a href='003trace.cc.html#L183'>trace</a>:\n"</span><span class="Delimiter">;</span> <span id="L278" class="LineNr">278 </span> <a href='003trace.cc.html#L187'>DUMP</a><span class="Delimiter">(</span><span class="Constant">""</span><span class="Delimiter">);</span> <span id="L279" class="LineNr">279 </span> <span class="Delimiter">}</span> <span id="L280" class="LineNr">280 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> @@ -369,12 +369,12 @@ if ('onhashchange' in window) { <span id="L310" class="LineNr">310 </span> <span class="Identifier">return</span> trace_count<span class="Delimiter">(</span>label<span class="Delimiter">,</span> <span class="Constant">""</span><span class="Delimiter">);</span> <span id="L311" class="LineNr">311 </span><span class="Delimiter">}</span> <span id="L312" class="LineNr">312 </span> -<span id="L313" class="LineNr">313 </span><span class="Normal">int</span> trace_count<span class="Delimiter">(</span>string label<span class="Delimiter">,</span> string <a href='011run.cc.html#L117'>line</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L313" class="LineNr">313 </span><span class="Normal">int</span> trace_count<span class="Delimiter">(</span>string label<span class="Delimiter">,</span> string <a href='011run.cc.html#L113'>line</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L314" class="LineNr">314 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!<span class="Special"><a href='003trace.cc.html#L154'>Trace_stream</a></span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> <span id="L315" class="LineNr">315 </span> <span class="Normal">long</span> result = <span class="Constant">0</span><span class="Delimiter">;</span> <span id="L316" class="LineNr">316 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>vector<trace_line>::iterator p = <span class="Special"><a href='003trace.cc.html#L154'>Trace_stream</a></span><span class="Delimiter">-></span><a href='003trace.cc.html#L97'>past_lines</a><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <span class="Special"><a href='003trace.cc.html#L154'>Trace_stream</a></span><span class="Delimiter">-></span><a href='003trace.cc.html#L97'>past_lines</a><span class="Delimiter">.</span>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L317" class="LineNr">317 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>label == p<span class="Delimiter">-></span>label<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L318" class="LineNr">318 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='011run.cc.html#L117'>line</a> == <span class="Constant">""</span> || <a href='003trace.cc.html#L374'>trim</a><span class="Delimiter">(</span><a href='011run.cc.html#L117'>line</a><span class="Delimiter">)</span> == <a href='003trace.cc.html#L374'>trim</a><span class="Delimiter">(</span>p<span class="Delimiter">-></span><a href='003trace.cc.html#L74'>contents</a><span class="Delimiter">))</span> +<span id="L318" class="LineNr">318 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='011run.cc.html#L113'>line</a> == <span class="Constant">""</span> || <a href='003trace.cc.html#L374'>trim</a><span class="Delimiter">(</span><a href='011run.cc.html#L113'>line</a><span class="Delimiter">)</span> == <a href='003trace.cc.html#L374'>trim</a><span class="Delimiter">(</span>p<span class="Delimiter">-></span><a href='003trace.cc.html#L74'>contents</a><span class="Delimiter">))</span> <span id="L319" class="LineNr">319 </span> ++result<span class="Delimiter">;</span> <span id="L320" class="LineNr">320 </span> <span class="Delimiter">}</span> <span id="L321" class="LineNr">321 </span> <span class="Delimiter">}</span> @@ -393,8 +393,8 @@ if ('onhashchange' in window) { <span id="L334" class="LineNr">334 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> <span id="L335" class="LineNr">335 </span><span class="Delimiter">}</span> <span id="L336" class="LineNr">336 </span> -<span id="L337" class="LineNr">337 </span><span class="Normal">bool</span> trace_doesnt_contain<span class="Delimiter">(</span>string label<span class="Delimiter">,</span> string <a href='011run.cc.html#L117'>line</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L338" class="LineNr">338 </span> <span class="Identifier">return</span> trace_count<span class="Delimiter">(</span>label<span class="Delimiter">,</span> <a href='011run.cc.html#L117'>line</a><span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L337" class="LineNr">337 </span><span class="Normal">bool</span> trace_doesnt_contain<span class="Delimiter">(</span>string label<span class="Delimiter">,</span> string <a href='011run.cc.html#L113'>line</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L338" class="LineNr">338 </span> <span class="Identifier">return</span> trace_count<span class="Delimiter">(</span>label<span class="Delimiter">,</span> <a href='011run.cc.html#L113'>line</a><span class="Delimiter">)</span> == <span class="Constant">0</span><span class="Delimiter">;</span> <span id="L339" class="LineNr">339 </span><span class="Delimiter">}</span> <span id="L340" class="LineNr">340 </span> <span id="L341" class="LineNr">341 </span><span class="Normal">bool</span> trace_doesnt_contain<span class="Delimiter">(</span>string expected<span class="Delimiter">)</span> <span class="Delimiter">{</span> diff --git a/html/subx/010---vm.cc.html b/html/subx/010---vm.cc.html index f7a9812d..a71135fb 100644 --- a/html/subx/010---vm.cc.html +++ b/html/subx/010---vm.cc.html @@ -87,10 +87,10 @@ if ('onhashchange' in window) { <span id="L26" class="LineNr"> 26 </span><span class="Delimiter">};</span> <span id="L27" class="LineNr"> 27 </span><span class="Delimiter">:(before "End Globals")</span> <span id="L28" class="LineNr"> 28 </span><a href='010---vm.cc.html#L23'>reg</a> <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[NUM_INT_REGISTERS] = <span class="Delimiter">{</span> <span class="Delimiter">{</span><span class="Constant">0</span><span class="Delimiter">}</span> <span class="Delimiter">};</span> -<span id="L29" class="LineNr"> 29 </span><span class="Normal">uint32_t</span> <a href='010---vm.cc.html#L29'>EIP</a> = <span class="Constant">1</span><span class="Delimiter">;</span> <span class="Comment">// preserve null pointer</span> +<span id="L29" class="LineNr"> 29 </span><span class="Normal">uint32_t</span> EIP = <span class="Constant">1</span><span class="Delimiter">;</span> <span class="Comment">// preserve null pointer</span> <span id="L30" class="LineNr"> 30 </span><span class="Delimiter">:(before "End Reset")</span> <span id="L31" class="LineNr"> 31 </span>bzero<span class="Delimiter">(</span><span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span><span class="Delimiter">,</span> <span class="Normal">sizeof</span><span class="Delimiter">(</span><span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span><span class="Delimiter">));</span> -<span id="L32" class="LineNr"> 32 </span><a href='010---vm.cc.html#L29'>EIP</a> = <span class="Constant">1</span><span class="Delimiter">;</span> <span class="Comment">// preserve null pointer</span> +<span id="L32" class="LineNr"> 32 </span>EIP = <span class="Constant">1</span><span class="Delimiter">;</span> <span class="Comment">// preserve null pointer</span> <span id="L33" class="LineNr"> 33 </span> <span id="L34" class="LineNr"> 34 </span><span class="Delimiter">:(before "End <a href='001help.cc.html#L53'>Help</a> Contents")</span> <span id="L35" class="LineNr"> 35 </span>cerr << <span class="Constant">" registers\n"</span><span class="Delimiter">;</span> @@ -302,7 +302,7 @@ if ('onhashchange' in window) { <span id="L241" class="LineNr">241 </span> <span class="Delimiter">}</span> <span id="L242" class="LineNr">242 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>result == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L243" class="LineNr">243 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"Tried to access uninitialized memory at address 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << addr << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> -<span id="L244" class="LineNr">244 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"The entire 4-byte <a href='011run.cc.html#L123'>word</a> should be initialized and lie in a single segment.\n"</span> << end<span class="Delimiter">();</span> +<span id="L244" class="LineNr">244 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"The entire 4-byte <a href='011run.cc.html#L119'>word</a> should be initialized and lie in a single segment.\n"</span> << end<span class="Delimiter">();</span> <span id="L245" class="LineNr">245 </span> <span class="Delimiter">}</span> <span id="L246" class="LineNr">246 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> <span id="L247" class="LineNr">247 </span><span class="Delimiter">}</span> @@ -362,12 +362,12 @@ if ('onhashchange' in window) { <span id="L301" class="LineNr">301 </span> <a href='010---vm.cc.html#L368'>dump_registers</a><span class="Delimiter">();</span> <span id="L302" class="LineNr">302 </span><span class="CommentedCode">//? dump_stack(); // for debugging; not defined until later layer</span> <span id="L303" class="LineNr">303 </span> <span class="Delimiter">}</span> -<span id="L304" class="LineNr">304 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"inst: 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << <a href='010---vm.cc.html#L29'>EIP</a> << end<span class="Delimiter">();</span> +<span id="L304" class="LineNr">304 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"inst: 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << EIP << end<span class="Delimiter">();</span> <span id="L305" class="LineNr">305 </span> op = <a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">();</span> <span id="L306" class="LineNr">306 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='003trace.cc.html#L168'>Dump_trace</a></span><span class="Delimiter">)</span> cerr << <span class="Constant">"opcode: "</span> << <a href='010---vm.cc.html#L412'>HEXBYTE</a> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>op<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> <span id="L307" class="LineNr">307 </span> <span class="Normal">switch</span> <span class="Delimiter">(</span>op<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L308" class="LineNr">308 </span> <span class="Normal">case</span> <span class="Constant">0xf4</span>: <span class="Comment">// hlt</span> -<span id="L309" class="LineNr">309 </span> <a href='010---vm.cc.html#L29'>EIP</a> = <span class="Special"><a href='010---vm.cc.html#L194'>End_of_program</a></span><span class="Delimiter">;</span> +<span id="L309" class="LineNr">309 </span> EIP = <span class="Special"><a href='010---vm.cc.html#L194'>End_of_program</a></span><span class="Delimiter">;</span> <span id="L310" class="LineNr">310 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L311" class="LineNr">311 </span> <span class="Comment">// End Single-Byte Opcodes</span> <span id="L312" class="LineNr">312 </span> <span class="Normal">case</span> <span class="Constant">0x0f</span>: @@ -459,7 +459,7 @@ if ('onhashchange' in window) { <span id="L398" class="LineNr">398 </span> cerr << <span class="Constant">" f3 "</span> << p<span class="Delimiter">-></span>first << <span class="Constant">": "</span> << p<span class="Delimiter">-></span>second << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> <span id="L399" class="LineNr">399 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> string>::iterator p = <span class="Special"><a href='010---vm.cc.html#L381'>Name_f3_0f</a></span><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <span class="Special"><a href='010---vm.cc.html#L381'>Name_f3_0f</a></span><span class="Delimiter">.</span>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span id="L400" class="LineNr">400 </span> cerr << <span class="Constant">" f3 0f "</span> << p<span class="Delimiter">-></span>first << <span class="Constant">": "</span> << p<span class="Delimiter">-></span>second << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> -<span id="L401" class="LineNr">401 </span> cerr << <span class="Constant">"Run `subx help instructions` for details on <a href='011run.cc.html#L118'>words</a> like 'r32' and 'disp8'.\n"</span> +<span id="L401" class="LineNr">401 </span> cerr << <span class="Constant">"Run `subx help instructions` for details on <a href='011run.cc.html#L114'>words</a> like 'r32' and 'disp8'.\n"</span> <span id="L402" class="LineNr">402 </span> <span class="Constant">"For complete details on these instructions, consult the IA-32 manual (volume 2).\n"</span> <span id="L403" class="LineNr">403 </span> <span class="Constant">"There's various versions of it online, such as <a href="https://c9x.me/x86">https://c9x.me/x86</a>.\n"</span> <span id="L404" class="LineNr">404 </span> <span class="Constant">"The mnemonics in brackets will help you locate each instruction.\n"</span><span class="Delimiter">;</span> diff --git a/html/subx/011run.cc.html b/html/subx/011run.cc.html index f5f08f80..bfd096a0 100644 --- a/html/subx/011run.cc.html +++ b/html/subx/011run.cc.html @@ -67,390 +67,388 @@ if ('onhashchange' in window) { <span id="L5" class="LineNr"> 5 </span> <span id="L6" class="LineNr"> 6 </span><span class="Delimiter">:(before "End <a href='001help.cc.html#L53'>Help</a> Texts")</span> <span id="L7" class="LineNr"> 7 </span><a href='001help.cc.html#L262'>put_new</a><span class="Delimiter">(</span><span class="Special"><a href='001help.cc.html#L53'>Help</a></span><span class="Delimiter">,</span> <span class="Constant">"syntax"</span><span class="Delimiter">,</span> -<span id="L8" class="LineNr"> 8 </span> <span class="Constant">"SubX programs consist of <a href='011run.cc.html#L100'>segments</a>, each segment in turn consisting of lines.\n"</span> -<span id="L9" class="LineNr"> 9 </span> <span class="Constant">"Line-endings are significant; each <a href='011run.cc.html#L117'>line</a> should contain a single\n"</span> +<span id="L8" class="LineNr"> 8 </span> <span class="Constant">"SubX programs consist of <a href='011run.cc.html#L96'>segments</a>, each segment in turn consisting of lines.\n"</span> +<span id="L9" class="LineNr"> 9 </span> <span class="Constant">"Line-endings are significant; each <a href='011run.cc.html#L113'>line</a> should contain a single\n"</span> <span id="L10" class="LineNr"> 10 </span> <span class="Constant">"instruction, macro or directive.\n"</span> <span id="L11" class="LineNr"> 11 </span> <span class="Constant">"\n"</span> <span id="L12" class="LineNr"> 12 </span> <span class="Constant">"Comments start with the '#' character. It should be at the start of a word\n"</span> -<span id="L13" class="LineNr"> 13 </span> <span class="Constant">"(start of <a href='011run.cc.html#L117'>line</a>, or following a space).\n"</span> +<span id="L13" class="LineNr"> 13 </span> <span class="Constant">"(start of <a href='011run.cc.html#L113'>line</a>, or following a space).\n"</span> <span id="L14" class="LineNr"> 14 </span> <span class="Constant">"\n"</span> -<span id="L15" class="LineNr"> 15 </span> <span class="Constant">"Each segment starts with a header <a href='011run.cc.html#L117'>line</a>: a '==' delimiter followed by the name of\n"</span> +<span id="L15" class="LineNr"> 15 </span> <span class="Constant">"Each segment starts with a header <a href='011run.cc.html#L113'>line</a>: a '==' delimiter followed by the name of\n"</span> <span id="L16" class="LineNr"> 16 </span> <span class="Constant">"the segment.\n"</span> <span id="L17" class="LineNr"> 17 </span> <span class="Constant">"\n"</span> -<span id="L18" class="LineNr"> 18 </span> <span class="Constant">"Currently SubX assumes the first segment encountered contains executable <a href='031check_operands.cc.html#L11'>code</a>, and\n"</span> -<span id="L19" class="LineNr"> 19 </span> <span class="Constant">"the second contains global variables. By convention we call them 'code' and 'data'\n"</span> -<span id="L20" class="LineNr"> 20 </span> <span class="Constant">"respectively.\n"</span> -<span id="L21" class="LineNr"> 21 </span> <span class="Constant">"The first instruction executed in the resulting binary is always the first\n"</span> -<span id="L22" class="LineNr"> 22 </span> <span class="Constant">"instruction of the first segment.\n"</span> -<span id="L23" class="LineNr"> 23 </span> <span class="Constant">"\n"</span> -<span id="L24" class="LineNr"> 24 </span> <span class="Constant">"Segments with the same name get merged together. This rule helps keep functions and\n"</span> -<span id="L25" class="LineNr"> 25 </span> <span class="Constant">"their data close together in .subx files.\n"</span> -<span id="L26" class="LineNr"> 26 </span> <span class="Constant">"Later <a href='011run.cc.html#L100'>segments</a> with the same name get their <a href='003trace.cc.html#L74'>contents</a> *prepended* to earlier ones.\n"</span> -<span id="L27" class="LineNr"> 27 </span> <span class="Constant">"This rule helps each .subx file to <a href='001help.cc.html#L252'>put</a> forth a different entrypoint for the binary,\n"</span> -<span id="L28" class="LineNr"> 28 </span> <span class="Constant">"overriding previously loaded files.\n"</span> +<span id="L18" class="LineNr"> 18 </span> <span class="Constant">"The first segment contains <a href='031check_operands.cc.html#L11'>code</a> and should be called 'code'.\n"</span> +<span id="L19" class="LineNr"> 19 </span> <span class="Constant">"The second segment should be called 'data'.\n"</span> +<span id="L20" class="LineNr"> 20 </span> <span class="Constant">"The resulting binary starts running from the start of the <a href='031check_operands.cc.html#L11'>code</a> segment by default.\n"</span> +<span id="L21" class="LineNr"> 21 </span> <span class="Constant">"To start elsewhere in the <a href='031check_operands.cc.html#L11'>code</a> segment, define a special label called 'Entry'.\n"</span> +<span id="L22" class="LineNr"> 22 </span> <span class="Constant">"\n"</span> +<span id="L23" class="LineNr"> 23 </span> <span class="Constant">"Segments with the same name get merged together. This rule helps keep functions and\n"</span> +<span id="L24" class="LineNr"> 24 </span> <span class="Constant">"their data close together in .subx files.\n"</span> +<span id="L25" class="LineNr"> 25 </span> <span class="Constant">"\n"</span> +<span id="L26" class="LineNr"> 26 </span> <span class="Constant">"Lines consist of a series of words. Words can contain arbitrary metadata\n"</span> +<span id="L27" class="LineNr"> 27 </span> <span class="Constant">"after a '/', but they can never contain whitespace. Metadata has no effect\n"</span> +<span id="L28" class="LineNr"> 28 </span> <span class="Constant">"at runtime, but can be handy when rewriting macros.\n"</span> <span id="L29" class="LineNr"> 29 </span> <span class="Constant">"\n"</span> -<span id="L30" class="LineNr"> 30 </span> <span class="Constant">"Lines consist of a series of words. Words can contain arbitrary metadata\n"</span> -<span id="L31" class="LineNr"> 31 </span> <span class="Constant">"after a '/', but they can never contain whitespace. Metadata has no effect\n"</span> -<span id="L32" class="LineNr"> 32 </span> <span class="Constant">"at runtime, but can be handy when rewriting macros.\n"</span> -<span id="L33" class="LineNr"> 33 </span> <span class="Constant">"\n"</span> -<span id="L34" class="LineNr"> 34 </span> <span class="Constant">"Check out the examples in the examples/ directory.\n"</span> -<span id="L35" class="LineNr"> 35 </span> <span class="Constant">"Programming in machine <a href='031check_operands.cc.html#L11'>code</a> can be annoying, but let's see if we can make\n"</span> -<span id="L36" class="LineNr"> 36 </span> <span class="Constant">"it nice enough to be able to write a compiler in it.\n"</span> -<span id="L37" class="LineNr"> 37 </span><span class="Delimiter">);</span> -<span id="L38" class="LineNr"> 38 </span><span class="Delimiter">:(before "End <a href='001help.cc.html#L53'>Help</a> Contents")</span> -<span id="L39" class="LineNr"> 39 </span>cerr << <span class="Constant">" syntax\n"</span><span class="Delimiter">;</span> -<span id="L40" class="LineNr"> 40 </span> -<span id="L41" class="LineNr"> 41 </span><span class="Delimiter">:(scenario add_imm32_to_eax)</span> -<span id="L42" class="LineNr"> 42 </span><span class="Comment"># At the lowest level, SubX programs are a series of hex bytes, each</span> -<span id="L43" class="LineNr"> 43 </span><span class="Comment"># (variable-length) instruction on one line.</span> -<span id="L44" class="LineNr"> 44 </span><span class="Comment">#</span> -<span id="L45" class="LineNr"> 45 </span><span class="Comment"># Later we'll make things nicer using macros. But you'll always be able to</span> -<span id="L46" class="LineNr"> 46 </span><span class="Comment"># insert hex bytes out of instructions.</span> -<span id="L47" class="LineNr"> 47 </span><span class="Comment">#</span> -<span id="L48" class="LineNr"> 48 </span><span class="Comment"># As you can see, comments start with '#' and are ignored.</span> -<span id="L49" class="LineNr"> 49 </span> -<span id="L50" class="LineNr"> 50 </span><span class="Comment"># Segment headers start with '==', specifying the hex address where they</span> -<span id="L51" class="LineNr"> 51 </span><span class="Comment"># begin. There's usually one code segment and one data segment. We assume the</span> -<span id="L52" class="LineNr"> 52 </span><span class="Comment"># code segment always comes first. Later when we emit ELF binaries we'll add</span> -<span id="L53" class="LineNr"> 53 </span><span class="Comment"># directives for the operating system to ensure that the code segment can't be</span> -<span id="L54" class="LineNr"> 54 </span><span class="Comment"># written to, and the data segment can't be executed as code.</span> -<span id="L55" class="LineNr"> 55 </span>== <span class="Constant">0x1</span> -<span id="L56" class="LineNr"> 56 </span> -<span id="L57" class="LineNr"> 57 </span><span class="Comment"># We don't show it here, but all lines can have metadata after a ':'.</span> -<span id="L58" class="LineNr"> 58 </span><span class="Comment"># All words can have metadata after a '/'. No spaces allowed in word metadata, of course.</span> -<span id="L59" class="LineNr"> 59 </span><span class="Comment"># Metadata doesn't directly form instructions, but some macros may look at it.</span> -<span id="L60" class="LineNr"> 60 </span><span class="Comment"># Unrecognized metadata never causes errors, so you can also use it for</span> -<span id="L61" class="LineNr"> 61 </span><span class="Comment"># documentation.</span> -<span id="L62" class="LineNr"> 62 </span> -<span id="L63" class="LineNr"> 63 </span><span class="Comment"># Within the code segment, x86 instructions consist of the following parts (see cheatsheet.pdf):</span> -<span id="L64" class="LineNr"> 64 </span><span class="Comment"># opcode ModR/M SIB displacement immediate</span> -<span id="L65" class="LineNr"> 65 </span><span class="Comment"># instruction mod, reg, Reg/Mem bits scale, index, base</span> -<span id="L66" class="LineNr"> 66 </span><span class="Comment"># 1-3 bytes 0/1 byte 0/1 byte 0/1/2/4 bytes 0/1/2/4 bytes</span> -<span id="L67" class="LineNr"> 67 </span> <span class="PreProc">0</span><span class="Constant">5</span> <span class="Delimiter">.</span> <span class="Delimiter">.</span> <span class="Delimiter">.</span> 0a 0b 0c 0d <span class="Comment"># add 0x0d0c0b0a to EAX</span> -<span id="L68" class="LineNr"> 68 </span><span class="Comment"># (The single periods are just to help the eye track long gaps between</span> -<span id="L69" class="LineNr"> 69 </span><span class="Comment"># columns, and are otherwise ignored.)</span> -<span id="L70" class="LineNr"> 70 </span> -<span id="L71" class="LineNr"> 71 </span><span class="Comment"># This program, when run, causes the following events in the trace:</span> -<span id="L72" class="LineNr"> 72 </span><span class="traceContains">+load: 0x00000001 -> 05</span> -<span id="L73" class="LineNr"> 73 </span><span class="traceContains">+load: 0x00000002 -> 0a</span> -<span id="L74" class="LineNr"> 74 </span><span class="traceContains">+load: 0x00000003 -> 0b</span> -<span id="L75" class="LineNr"> 75 </span><span class="traceContains">+load: 0x00000004 -> 0c</span> -<span id="L76" class="LineNr"> 76 </span><span class="traceContains">+load: 0x00000005 -> 0d</span> -<span id="L77" class="LineNr"> 77 </span><span class="traceContains">+run: add <a href='037heap.cc.html#L23'>imm32</a> 0x0d0c0b0a to <a href='010---vm.cc.html#L23'>reg</a> <a href='010---vm.cc.html#L13'>EAX</a></span> -<span id="L78" class="LineNr"> 78 </span><span class="traceContains">+run: storing 0x0d0c0b0a</span> -<span id="L79" class="LineNr"> 79 </span> -<span id="L80" class="LineNr"> 80 </span><span class="Delimiter">:(code)</span> -<span id="L81" class="LineNr"> 81 </span><span class="Comment">// top-level helper for scenarios: parse the input, transform any macros, load</span> -<span id="L82" class="LineNr"> 82 </span><span class="Comment">// the final hex bytes into memory, run it</span> -<span id="L83" class="LineNr"> 83 </span><span class="Normal">void</span> <a href='011run.cc.html#L83'>run</a><span class="Delimiter">(</span><span class="Normal">const</span> string& text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L84" class="LineNr"> 84 </span> <a href='011run.cc.html#L99'>program</a> p<span class="Delimiter">;</span> -<span id="L85" class="LineNr"> 85 </span> istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span> -<span id="L86" class="LineNr"> 86 </span> parse<span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span> -<span id="L87" class="LineNr"> 87 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// if any stage raises errors, stop immediately</span> -<span id="L88" class="LineNr"> 88 </span> <a href='011run.cc.html#L231'>transform</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> -<span id="L89" class="LineNr"> 89 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L90" class="LineNr"> 90 </span> <a href='011run.cc.html#L240'>load</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> -<span id="L91" class="LineNr"> 91 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L92" class="LineNr"> 92 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='010---vm.cc.html#L29'>EIP</a> < <span class="Special"><a href='010---vm.cc.html#L194'>End_of_program</a></span><span class="Delimiter">)</span> -<span id="L93" class="LineNr"> 93 </span> <a href='010---vm.cc.html#L296'>run_one_instruction</a><span class="Delimiter">();</span> -<span id="L94" class="LineNr"> 94 </span><span class="Delimiter">}</span> -<span id="L95" class="LineNr"> 95 </span> -<span id="L96" class="LineNr"> 96 </span><span class="SalientComment">//:: core data structures</span> -<span id="L97" class="LineNr"> 97 </span> -<span id="L98" class="LineNr"> 98 </span><span class="Delimiter">:(before "End Types")</span> -<span id="L99" class="LineNr"> 99 </span><span class="Normal">struct</span> <a href='011run.cc.html#L99'>program</a> <span class="Delimiter">{</span> -<span id="L100" class="LineNr">100 </span> vector<segment> <a href='011run.cc.html#L100'>segments</a><span class="Delimiter">;</span> -<span id="L101" class="LineNr">101 </span> <span class="Comment">// random ideas for other things we may eventually need</span> -<span id="L102" class="LineNr">102 </span> <span class="Comment">//map<name, address> globals;</span> -<span id="L103" class="LineNr">103 </span> <span class="Comment">//vector<recipe> recipes;</span> -<span id="L104" class="LineNr">104 </span> <span class="Comment">//map<string, type_info> types;</span> -<span id="L105" class="LineNr">105 </span><span class="Delimiter">};</span> -<span id="L106" class="LineNr">106 </span><span class="Delimiter">:(before "struct program")</span> -<span id="L107" class="LineNr">107 </span><span class="Normal">struct</span> segment <span class="Delimiter">{</span> -<span id="L108" class="LineNr">108 </span> <span class="Normal">uint32_t</span> start<span class="Delimiter">;</span> -<span id="L109" class="LineNr">109 </span> vector<line> <a href='011run.cc.html#L109'>lines</a><span class="Delimiter">;</span> -<span id="L110" class="LineNr">110 </span> <span class="Comment">// End segment Fields</span> -<span id="L111" class="LineNr">111 </span> segment<span class="Delimiter">()</span> <span class="Delimiter">{</span> -<span id="L112" class="LineNr">112 </span> start = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L113" class="LineNr">113 </span> <span class="Comment">// End segment Constructor</span> -<span id="L114" class="LineNr">114 </span> <span class="Delimiter">}</span> -<span id="L115" class="LineNr">115 </span><span class="Delimiter">};</span> -<span id="L116" class="LineNr">116 </span><span class="Delimiter">:(before "struct segment")</span> -<span id="L117" class="LineNr">117 </span><span class="Normal">struct</span> <a href='011run.cc.html#L117'>line</a> <span class="Delimiter">{</span> -<span id="L118" class="LineNr">118 </span> vector<word> <a href='011run.cc.html#L118'>words</a><span class="Delimiter">;</span> -<span id="L119" class="LineNr">119 </span> vector<string> metadata<span class="Delimiter">;</span> +<span id="L30" class="LineNr"> 30 </span> <span class="Constant">"Check out the examples in the examples/ directory.\n"</span> +<span id="L31" class="LineNr"> 31 </span> <span class="Constant">"Programming in machine <a href='031check_operands.cc.html#L11'>code</a> can be annoying, but let's see if we can make\n"</span> +<span id="L32" class="LineNr"> 32 </span> <span class="Constant">"it nice enough to be able to write a compiler in it.\n"</span> +<span id="L33" class="LineNr"> 33 </span><span class="Delimiter">);</span> +<span id="L34" class="LineNr"> 34 </span><span class="Delimiter">:(before "End <a href='001help.cc.html#L53'>Help</a> Contents")</span> +<span id="L35" class="LineNr"> 35 </span>cerr << <span class="Constant">" syntax\n"</span><span class="Delimiter">;</span> +<span id="L36" class="LineNr"> 36 </span> +<span id="L37" class="LineNr"> 37 </span><span class="Delimiter">:(scenario add_imm32_to_eax)</span> +<span id="L38" class="LineNr"> 38 </span><span class="Comment"># At the lowest level, SubX programs are a series of hex bytes, each</span> +<span id="L39" class="LineNr"> 39 </span><span class="Comment"># (variable-length) instruction on one line.</span> +<span id="L40" class="LineNr"> 40 </span><span class="Comment">#</span> +<span id="L41" class="LineNr"> 41 </span><span class="Comment"># Later we'll make things nicer using macros. But you'll always be able to</span> +<span id="L42" class="LineNr"> 42 </span><span class="Comment"># insert hex bytes out of instructions.</span> +<span id="L43" class="LineNr"> 43 </span><span class="Comment">#</span> +<span id="L44" class="LineNr"> 44 </span><span class="Comment"># As you can see, comments start with '#' and are ignored.</span> +<span id="L45" class="LineNr"> 45 </span> +<span id="L46" class="LineNr"> 46 </span><span class="Comment"># Segment headers start with '==', specifying the hex address where they</span> +<span id="L47" class="LineNr"> 47 </span><span class="Comment"># begin. There's usually one code segment and one data segment. We assume the</span> +<span id="L48" class="LineNr"> 48 </span><span class="Comment"># code segment always comes first. Later when we emit ELF binaries we'll add</span> +<span id="L49" class="LineNr"> 49 </span><span class="Comment"># directives for the operating system to ensure that the code segment can't be</span> +<span id="L50" class="LineNr"> 50 </span><span class="Comment"># written to, and the data segment can't be executed as code.</span> +<span id="L51" class="LineNr"> 51 </span>== <span class="Constant">0x1</span> +<span id="L52" class="LineNr"> 52 </span> +<span id="L53" class="LineNr"> 53 </span><span class="Comment"># We don't show it here, but all lines can have metadata after a ':'.</span> +<span id="L54" class="LineNr"> 54 </span><span class="Comment"># All words can have metadata after a '/'. No spaces allowed in word metadata, of course.</span> +<span id="L55" class="LineNr"> 55 </span><span class="Comment"># Metadata doesn't directly form instructions, but some macros may look at it.</span> +<span id="L56" class="LineNr"> 56 </span><span class="Comment"># Unrecognized metadata never causes errors, so you can also use it for</span> +<span id="L57" class="LineNr"> 57 </span><span class="Comment"># documentation.</span> +<span id="L58" class="LineNr"> 58 </span> +<span id="L59" class="LineNr"> 59 </span><span class="Comment"># Within the code segment, x86 instructions consist of the following parts (see cheatsheet.pdf):</span> +<span id="L60" class="LineNr"> 60 </span><span class="Comment"># opcode ModR/M SIB displacement immediate</span> +<span id="L61" class="LineNr"> 61 </span><span class="Comment"># instruction mod, reg, Reg/Mem bits scale, index, base</span> +<span id="L62" class="LineNr"> 62 </span><span class="Comment"># 1-3 bytes 0/1 byte 0/1 byte 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L63" class="LineNr"> 63 </span> <span class="PreProc">0</span><span class="Constant">5</span> <span class="Delimiter">.</span> <span class="Delimiter">.</span> <span class="Delimiter">.</span> 0a 0b 0c 0d <span class="Comment"># add 0x0d0c0b0a to EAX</span> +<span id="L64" class="LineNr"> 64 </span><span class="Comment"># (The single periods are just to help the eye track long gaps between</span> +<span id="L65" class="LineNr"> 65 </span><span class="Comment"># columns, and are otherwise ignored.)</span> +<span id="L66" class="LineNr"> 66 </span> +<span id="L67" class="LineNr"> 67 </span><span class="Comment"># This program, when run, causes the following events in the trace:</span> +<span id="L68" class="LineNr"> 68 </span><span class="traceContains">+load: 0x00000001 -> 05</span> +<span id="L69" class="LineNr"> 69 </span><span class="traceContains">+load: 0x00000002 -> 0a</span> +<span id="L70" class="LineNr"> 70 </span><span class="traceContains">+load: 0x00000003 -> 0b</span> +<span id="L71" class="LineNr"> 71 </span><span class="traceContains">+load: 0x00000004 -> 0c</span> +<span id="L72" class="LineNr"> 72 </span><span class="traceContains">+load: 0x00000005 -> 0d</span> +<span id="L73" class="LineNr"> 73 </span><span class="traceContains">+run: add <a href='037heap.cc.html#L23'>imm32</a> 0x0d0c0b0a to <a href='010---vm.cc.html#L23'>reg</a> <a href='010---vm.cc.html#L13'>EAX</a></span> +<span id="L74" class="LineNr"> 74 </span><span class="traceContains">+run: storing 0x0d0c0b0a</span> +<span id="L75" class="LineNr"> 75 </span> +<span id="L76" class="LineNr"> 76 </span><span class="Delimiter">:(code)</span> +<span id="L77" class="LineNr"> 77 </span><span class="Comment">// top-level helper for scenarios: parse the input, transform any macros, load</span> +<span id="L78" class="LineNr"> 78 </span><span class="Comment">// the final hex bytes into memory, run it</span> +<span id="L79" class="LineNr"> 79 </span><span class="Normal">void</span> <a href='011run.cc.html#L79'>run</a><span class="Delimiter">(</span><span class="Normal">const</span> string& text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L80" class="LineNr"> 80 </span> <a href='011run.cc.html#L95'>program</a> p<span class="Delimiter">;</span> +<span id="L81" class="LineNr"> 81 </span> istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span> +<span id="L82" class="LineNr"> 82 </span> parse<span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span> +<span id="L83" class="LineNr"> 83 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// if any stage raises errors, stop immediately</span> +<span id="L84" class="LineNr"> 84 </span> <a href='011run.cc.html#L228'>transform</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> +<span id="L85" class="LineNr"> 85 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L86" class="LineNr"> 86 </span> <a href='011run.cc.html#L237'>load</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> +<span id="L87" class="LineNr"> 87 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L88" class="LineNr"> 88 </span> <span class="Normal">while</span> <span class="Delimiter">(</span>EIP < <span class="Special"><a href='010---vm.cc.html#L194'>End_of_program</a></span><span class="Delimiter">)</span> +<span id="L89" class="LineNr"> 89 </span> <a href='010---vm.cc.html#L296'>run_one_instruction</a><span class="Delimiter">();</span> +<span id="L90" class="LineNr"> 90 </span><span class="Delimiter">}</span> +<span id="L91" class="LineNr"> 91 </span> +<span id="L92" class="LineNr"> 92 </span><span class="SalientComment">//:: core data structures</span> +<span id="L93" class="LineNr"> 93 </span> +<span id="L94" class="LineNr"> 94 </span><span class="Delimiter">:(before "End Types")</span> +<span id="L95" class="LineNr"> 95 </span><span class="Normal">struct</span> <a href='011run.cc.html#L95'>program</a> <span class="Delimiter">{</span> +<span id="L96" class="LineNr"> 96 </span> vector<segment> <a href='011run.cc.html#L96'>segments</a><span class="Delimiter">;</span> +<span id="L97" class="LineNr"> 97 </span> <span class="Comment">// random ideas for other things we may eventually need</span> +<span id="L98" class="LineNr"> 98 </span> <span class="Comment">//map<name, address> globals;</span> +<span id="L99" class="LineNr"> 99 </span> <span class="Comment">//vector<recipe> recipes;</span> +<span id="L100" class="LineNr">100 </span> <span class="Comment">//map<string, type_info> types;</span> +<span id="L101" class="LineNr">101 </span><span class="Delimiter">};</span> +<span id="L102" class="LineNr">102 </span><span class="Delimiter">:(before "struct program")</span> +<span id="L103" class="LineNr">103 </span><span class="Normal">struct</span> segment <span class="Delimiter">{</span> +<span id="L104" class="LineNr">104 </span> <span class="Normal">uint32_t</span> start<span class="Delimiter">;</span> +<span id="L105" class="LineNr">105 </span> vector<line> <a href='011run.cc.html#L105'>lines</a><span class="Delimiter">;</span> +<span id="L106" class="LineNr">106 </span> <span class="Comment">// End segment Fields</span> +<span id="L107" class="LineNr">107 </span> segment<span class="Delimiter">()</span> <span class="Delimiter">{</span> +<span id="L108" class="LineNr">108 </span> start = <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L109" class="LineNr">109 </span> <span class="Comment">// End segment Constructor</span> +<span id="L110" class="LineNr">110 </span> <span class="Delimiter">}</span> +<span id="L111" class="LineNr">111 </span><span class="Delimiter">};</span> +<span id="L112" class="LineNr">112 </span><span class="Delimiter">:(before "struct segment")</span> +<span id="L113" class="LineNr">113 </span><span class="Normal">struct</span> <a href='011run.cc.html#L113'>line</a> <span class="Delimiter">{</span> +<span id="L114" class="LineNr">114 </span> vector<word> <a href='011run.cc.html#L114'>words</a><span class="Delimiter">;</span> +<span id="L115" class="LineNr">115 </span> vector<string> metadata<span class="Delimiter">;</span> +<span id="L116" class="LineNr">116 </span> string original<span class="Delimiter">;</span> +<span id="L117" class="LineNr">117 </span><span class="Delimiter">};</span> +<span id="L118" class="LineNr">118 </span><span class="Delimiter">:(before "struct line")</span> +<span id="L119" class="LineNr">119 </span><span class="Normal">struct</span> <a href='011run.cc.html#L119'>word</a> <span class="Delimiter">{</span> <span id="L120" class="LineNr">120 </span> string original<span class="Delimiter">;</span> -<span id="L121" class="LineNr">121 </span><span class="Delimiter">};</span> -<span id="L122" class="LineNr">122 </span><span class="Delimiter">:(before "struct line")</span> -<span id="L123" class="LineNr">123 </span><span class="Normal">struct</span> <a href='011run.cc.html#L123'>word</a> <span class="Delimiter">{</span> -<span id="L124" class="LineNr">124 </span> string original<span class="Delimiter">;</span> -<span id="L125" class="LineNr">125 </span> string data<span class="Delimiter">;</span> -<span id="L126" class="LineNr">126 </span> vector<string> metadata<span class="Delimiter">;</span> -<span id="L127" class="LineNr">127 </span><span class="Delimiter">};</span> -<span id="L128" class="LineNr">128 </span> -<span id="L129" class="LineNr">129 </span><span class="SalientComment">//:: parse</span> -<span id="L130" class="LineNr">130 </span> -<span id="L131" class="LineNr">131 </span><span class="Delimiter">:(code)</span> -<span id="L132" class="LineNr">132 </span><span class="Normal">void</span> parse<span class="Delimiter">(</span>istream& fin<span class="Delimiter">,</span> program& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L133" class="LineNr">133 </span> vector<line> l<span class="Delimiter">;</span> -<span id="L134" class="LineNr">134 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"begin"</span> << end<span class="Delimiter">();</span> -<span id="L135" class="LineNr">135 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L274'>has_data</a><span class="Delimiter">(</span>fin<span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L136" class="LineNr">136 </span> string line_data<span class="Delimiter">;</span> -<span id="L137" class="LineNr">137 </span> <a href='011run.cc.html#L117'>line</a> curr<span class="Delimiter">;</span> -<span id="L138" class="LineNr">138 </span> getline<span class="Delimiter">(</span>fin<span class="Delimiter">,</span> line_data<span class="Delimiter">);</span> -<span id="L139" class="LineNr">139 </span> curr<span class="Delimiter">.</span>original = line_data<span class="Delimiter">;</span> -<span id="L140" class="LineNr">140 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"line: "</span> << line_data << end<span class="Delimiter">();</span> -<span id="L141" class="LineNr">141 </span> <span class="Comment">// End Line Parsing Special-cases(line_data -> l)</span> -<span id="L142" class="LineNr">142 </span> istringstream lin<span class="Delimiter">(</span>line_data<span class="Delimiter">);</span> -<span id="L143" class="LineNr">143 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L274'>has_data</a><span class="Delimiter">(</span>lin<span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L144" class="LineNr">144 </span> string word_data<span class="Delimiter">;</span> -<span id="L145" class="LineNr">145 </span> lin >> word_data<span class="Delimiter">;</span> -<span id="L146" class="LineNr">146 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> -<span id="L147" class="LineNr">147 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data[<span class="Constant">0</span>] == <span class="Constant">'#'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Comment">// comment</span> -<span id="L148" class="LineNr">148 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data == <span class="Constant">"."</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// comment token</span> -<span id="L149" class="LineNr">149 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data == <span class="Constant">"=="</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L150" class="LineNr">150 </span> <a href='011run.cc.html#L180'>flush</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> l<span class="Delimiter">);</span> -<span id="L151" class="LineNr">151 </span> string segment_title<span class="Delimiter">;</span> -<span id="L152" class="LineNr">152 </span> lin >> segment_title<span class="Delimiter">;</span> -<span id="L153" class="LineNr">153 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L102'>starts_with</a><span class="Delimiter">(</span>segment_title<span class="Delimiter">,</span> <span class="Constant">"0x"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L154" class="LineNr">154 </span> segment s<span class="Delimiter">;</span> -<span id="L155" class="LineNr">155 </span> s<span class="Delimiter">.</span>start = <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span>segment_title<span class="Delimiter">);</span> -<span id="L156" class="LineNr">156 </span> <a href='011run.cc.html#L201'>sanity_check_program_segment</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> s<span class="Delimiter">.</span>start<span class="Delimiter">);</span> -<span id="L157" class="LineNr">157 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> -<span id="L158" class="LineNr">158 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"new segment from 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << s<span class="Delimiter">.</span>start << end<span class="Delimiter">();</span> -<span id="L159" class="LineNr">159 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>s<span class="Delimiter">);</span> -<span id="L160" class="LineNr">160 </span> <span class="Delimiter">}</span> -<span id="L161" class="LineNr">161 </span> <span class="Comment">// End Segment Parsing Special-cases(segment_title)</span> -<span id="L162" class="LineNr">162 </span> <span class="Comment">// todo: segment segment metadata</span> -<span id="L163" class="LineNr">163 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Comment">// skip rest of line</span> +<span id="L121" class="LineNr">121 </span> string data<span class="Delimiter">;</span> +<span id="L122" class="LineNr">122 </span> vector<string> metadata<span class="Delimiter">;</span> +<span id="L123" class="LineNr">123 </span><span class="Delimiter">};</span> +<span id="L124" class="LineNr">124 </span> +<span id="L125" class="LineNr">125 </span><span class="SalientComment">//:: parse</span> +<span id="L126" class="LineNr">126 </span> +<span id="L127" class="LineNr">127 </span><span class="Delimiter">:(code)</span> +<span id="L128" class="LineNr">128 </span><span class="Normal">void</span> parse<span class="Delimiter">(</span>istream& fin<span class="Delimiter">,</span> program& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L129" class="LineNr">129 </span> vector<line> l<span class="Delimiter">;</span> +<span id="L130" class="LineNr">130 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"begin"</span> << end<span class="Delimiter">();</span> +<span id="L131" class="LineNr">131 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L274'>has_data</a><span class="Delimiter">(</span>fin<span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L132" class="LineNr">132 </span> string line_data<span class="Delimiter">;</span> +<span id="L133" class="LineNr">133 </span> <a href='011run.cc.html#L113'>line</a> curr<span class="Delimiter">;</span> +<span id="L134" class="LineNr">134 </span> getline<span class="Delimiter">(</span>fin<span class="Delimiter">,</span> line_data<span class="Delimiter">);</span> +<span id="L135" class="LineNr">135 </span> curr<span class="Delimiter">.</span>original = line_data<span class="Delimiter">;</span> +<span id="L136" class="LineNr">136 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"line: "</span> << line_data << end<span class="Delimiter">();</span> +<span id="L137" class="LineNr">137 </span> <span class="Comment">// End Line Parsing Special-cases(line_data -> l)</span> +<span id="L138" class="LineNr">138 </span> istringstream lin<span class="Delimiter">(</span>line_data<span class="Delimiter">);</span> +<span id="L139" class="LineNr">139 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L274'>has_data</a><span class="Delimiter">(</span>lin<span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L140" class="LineNr">140 </span> string word_data<span class="Delimiter">;</span> +<span id="L141" class="LineNr">141 </span> lin >> word_data<span class="Delimiter">;</span> +<span id="L142" class="LineNr">142 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> +<span id="L143" class="LineNr">143 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data[<span class="Constant">0</span>] == <span class="Constant">'#'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Comment">// comment</span> +<span id="L144" class="LineNr">144 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data == <span class="Constant">"."</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// comment token</span> +<span id="L145" class="LineNr">145 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data == <span class="Constant">"=="</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L146" class="LineNr">146 </span> <a href='011run.cc.html#L176'>flush</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> l<span class="Delimiter">);</span> +<span id="L147" class="LineNr">147 </span> string segment_title<span class="Delimiter">;</span> +<span id="L148" class="LineNr">148 </span> lin >> segment_title<span class="Delimiter">;</span> +<span id="L149" class="LineNr">149 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L102'>starts_with</a><span class="Delimiter">(</span>segment_title<span class="Delimiter">,</span> <span class="Constant">"0x"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L150" class="LineNr">150 </span> segment s<span class="Delimiter">;</span> +<span id="L151" class="LineNr">151 </span> s<span class="Delimiter">.</span>start = <a href='011run.cc.html#L360'>parse_int</a><span class="Delimiter">(</span>segment_title<span class="Delimiter">);</span> +<span id="L152" class="LineNr">152 </span> <a href='011run.cc.html#L197'>sanity_check_program_segment</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> s<span class="Delimiter">.</span>start<span class="Delimiter">);</span> +<span id="L153" class="LineNr">153 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> +<span id="L154" class="LineNr">154 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"new segment from 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << s<span class="Delimiter">.</span>start << end<span class="Delimiter">();</span> +<span id="L155" class="LineNr">155 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>s<span class="Delimiter">);</span> +<span id="L156" class="LineNr">156 </span> <span class="Delimiter">}</span> +<span id="L157" class="LineNr">157 </span> <span class="Comment">// End Segment Parsing Special-cases(segment_title)</span> +<span id="L158" class="LineNr">158 </span> <span class="Comment">// todo: segment segment metadata</span> +<span id="L159" class="LineNr">159 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span class="Comment">// skip rest of line</span> +<span id="L160" class="LineNr">160 </span> <span class="Delimiter">}</span> +<span id="L161" class="LineNr">161 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data[<span class="Constant">0</span>] == <span class="Constant">':'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L162" class="LineNr">162 </span> <span class="Comment">// todo: line metadata</span> +<span id="L163" class="LineNr">163 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L164" class="LineNr">164 </span> <span class="Delimiter">}</span> -<span id="L165" class="LineNr">165 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>word_data[<span class="Constant">0</span>] == <span class="Constant">':'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L166" class="LineNr">166 </span> <span class="Comment">// todo: line metadata</span> -<span id="L167" class="LineNr">167 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> -<span id="L168" class="LineNr">168 </span> <span class="Delimiter">}</span> -<span id="L169" class="LineNr">169 </span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L123'>word</a><span class="Delimiter">());</span> -<span id="L170" class="LineNr">170 </span> <a href='011run.cc.html#L191'>parse_word</a><span class="Delimiter">(</span>word_data<span class="Delimiter">,</span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">());</span> -<span id="L171" class="LineNr">171 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"word: "</span> << to_string<span class="Delimiter">(</span>curr<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">());</span> -<span id="L172" class="LineNr">172 </span> <span class="Delimiter">}</span> -<span id="L173" class="LineNr">173 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!curr<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> -<span id="L174" class="LineNr">174 </span> l<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> -<span id="L175" class="LineNr">175 </span> <span class="Delimiter">}</span> -<span id="L176" class="LineNr">176 </span> <a href='011run.cc.html#L180'>flush</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> l<span class="Delimiter">);</span> -<span id="L177" class="LineNr">177 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"done"</span> << end<span class="Delimiter">();</span> -<span id="L178" class="LineNr">178 </span><span class="Delimiter">}</span> -<span id="L179" class="LineNr">179 </span> -<span id="L180" class="LineNr">180 </span><span class="Normal">void</span> <a href='011run.cc.html#L180'>flush</a><span class="Delimiter">(</span>program& p<span class="Delimiter">,</span> vector<line>& <a href='011run.cc.html#L109'>lines</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L181" class="LineNr">181 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L182" class="LineNr">182 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L183" class="LineNr">183 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"input does not start with a '==' section header\n"</span> << end<span class="Delimiter">();</span> -<span id="L184" class="LineNr">184 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L185" class="LineNr">185 </span> <span class="Delimiter">}</span> -<span id="L186" class="LineNr">186 </span> <span class="Comment">// End flush(p, lines) Special-cases</span> -<span id="L187" class="LineNr">187 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"flushing to segment"</span> << end<span class="Delimiter">();</span> -<span id="L188" class="LineNr">188 </span> p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> -<span id="L189" class="LineNr">189 </span><span class="Delimiter">}</span> -<span id="L190" class="LineNr">190 </span> -<span id="L191" class="LineNr">191 </span><span class="Normal">void</span> <a href='011run.cc.html#L191'>parse_word</a><span class="Delimiter">(</span><span class="Normal">const</span> string& data<span class="Delimiter">,</span> word& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L192" class="LineNr">192 </span> out<span class="Delimiter">.</span>original = data<span class="Delimiter">;</span> -<span id="L193" class="LineNr">193 </span> istringstream win<span class="Delimiter">(</span>data<span class="Delimiter">);</span> -<span id="L194" class="LineNr">194 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>getline<span class="Delimiter">(</span>win<span class="Delimiter">,</span> out<span class="Delimiter">.</span>data<span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L195" class="LineNr">195 </span> string m<span class="Delimiter">;</span> -<span id="L196" class="LineNr">196 </span> <span class="Normal">while</span> <span class="Delimiter">(</span>getline<span class="Delimiter">(</span>win<span class="Delimiter">,</span> m<span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">))</span> -<span id="L197" class="LineNr">197 </span> out<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>m<span class="Delimiter">);</span> -<span id="L198" class="LineNr">198 </span> <span class="Delimiter">}</span> -<span id="L199" class="LineNr">199 </span><span class="Delimiter">}</span> -<span id="L200" class="LineNr">200 </span> -<span id="L201" class="LineNr">201 </span><span class="Normal">void</span> <a href='011run.cc.html#L201'>sanity_check_program_segment</a><span class="Delimiter">(</span><span class="Normal">const</span> program& p<span class="Delimiter">,</span> <span class="Normal">uint32_t</span> addr<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L202" class="LineNr">202 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L203" class="LineNr">203 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>start == addr<span class="Delimiter">)</span> -<span id="L204" class="LineNr">204 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"can't have multiple segments starting at address 0x"</span> << HEXWORD << addr << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> -<span id="L205" class="LineNr">205 </span> <span class="Delimiter">}</span> -<span id="L206" class="LineNr">206 </span><span class="Delimiter">}</span> -<span id="L207" class="LineNr">207 </span> -<span id="L208" class="LineNr">208 </span><span class="Comment">// helper for tests</span> -<span id="L209" class="LineNr">209 </span><span class="Normal">void</span> parse<span class="Delimiter">(</span><span class="Normal">const</span> string& text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L210" class="LineNr">210 </span> <a href='011run.cc.html#L99'>program</a> p<span class="Delimiter">;</span> -<span id="L211" class="LineNr">211 </span> istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span> -<span id="L212" class="LineNr">212 </span> parse<span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span> -<span id="L213" class="LineNr">213 </span><span class="Delimiter">}</span> -<span id="L214" class="LineNr">214 </span> -<span id="L215" class="LineNr">215 </span><span class="Delimiter">:(scenarios parse)</span> -<span id="L216" class="LineNr">216 </span><span class="Delimiter">:(scenario detect_duplicate_segments)</span> -<span id="L217" class="LineNr">217 </span><span class="Special">% Hide_errors = true;</span> -<span id="L218" class="LineNr">218 </span>== <span class="Constant">0xee</span> -<span id="L219" class="LineNr">219 </span>ab -<span id="L220" class="LineNr">220 </span>== <span class="Constant">0xee</span> -<span id="L221" class="LineNr">221 </span>cd -<span id="L222" class="LineNr">222 </span><span class="traceContains">+error: can't have multiple segments starting at address 0x000000ee</span> -<span id="L223" class="LineNr">223 </span> -<span id="L224" class="LineNr">224 </span><span class="SalientComment">//:: transform</span> -<span id="L225" class="LineNr">225 </span> -<span id="L226" class="LineNr">226 </span><span class="Delimiter">:(before "End Types")</span> -<span id="L227" class="LineNr">227 </span><span class="Normal">typedef</span> <span class="Normal">void</span> <span class="Delimiter">(</span>*transform_fn<span class="Delimiter">)(</span>program&<span class="Delimiter">);</span> -<span id="L228" class="LineNr">228 </span><span class="Delimiter">:(before "End Globals")</span> -<span id="L229" class="LineNr">229 </span>vector<transform_fn> <span class="Special"><a href='011run.cc.html#L229'>Transform</a></span><span class="Delimiter">;</span> -<span id="L230" class="LineNr">230 </span> -<span id="L231" class="LineNr">231 </span><span class="Normal">void</span> <a href='011run.cc.html#L231'>transform</a><span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L232" class="LineNr">232 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"begin"</span> << end<span class="Delimiter">();</span> -<span id="L233" class="LineNr">233 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> t = <span class="Constant">0</span><span class="Delimiter">;</span> t < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><span class="Special"><a href='011run.cc.html#L229'>Transform</a></span><span class="Delimiter">);</span> ++t<span class="Delimiter">)</span> -<span id="L234" class="LineNr">234 </span> <span class="Delimiter">(</span>*<span class="Special"><a href='011run.cc.html#L229'>Transform</a></span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">))(</span>p<span class="Delimiter">);</span> -<span id="L235" class="LineNr">235 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"done"</span> << end<span class="Delimiter">();</span> -<span id="L236" class="LineNr">236 </span><span class="Delimiter">}</span> -<span id="L237" class="LineNr">237 </span> -<span id="L238" class="LineNr">238 </span><span class="SalientComment">//:: load</span> -<span id="L239" class="LineNr">239 </span> -<span id="L240" class="LineNr">240 </span><span class="Normal">void</span> <a href='011run.cc.html#L240'>load</a><span class="Delimiter">(</span><span class="Normal">const</span> program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L241" class="LineNr">241 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"begin"</span> << end<span class="Delimiter">();</span> -<span id="L242" class="LineNr">242 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L243" class="LineNr">243 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"no <a href='031check_operands.cc.html#L11'>code</a> to run\n"</span> << end<span class="Delimiter">();</span> -<span id="L244" class="LineNr">244 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L245" class="LineNr">245 </span> <span class="Delimiter">}</span> -<span id="L246" class="LineNr">246 </span> <span class="Comment">// Ensure segments are disjoint.</span> -<span id="L247" class="LineNr">247 </span> set<<span class="Normal">uint32_t</span>> overlap<span class="Delimiter">;</span> -<span id="L248" class="LineNr">248 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L249" class="LineNr">249 </span> <span class="Normal">const</span> segment& seg = p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L250" class="LineNr">250 </span> <span class="Normal">uint32_t</span> addr = seg<span class="Delimiter">.</span>start<span class="Delimiter">;</span> -<span id="L251" class="LineNr">251 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!already_allocated<span class="Delimiter">(</span>addr<span class="Delimiter">))</span> -<span id="L252" class="LineNr">252 </span> <span class="Special"><a href='010---vm.cc.html#L180'>Mem</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>vma<span class="Delimiter">(</span>seg<span class="Delimiter">.</span>start<span class="Delimiter">));</span> -<span id="L253" class="LineNr">253 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"loading segment "</span> << i << <span class="Constant">" from "</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << addr << end<span class="Delimiter">();</span> -<span id="L254" class="LineNr">254 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>seg<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L255" class="LineNr">255 </span> <span class="Normal">const</span> line& l = seg<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> -<span id="L256" class="LineNr">256 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> k = <span class="Constant">0</span><span class="Delimiter">;</span> k < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>l<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++k<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L257" class="LineNr">257 </span> <span class="Normal">const</span> word& w = l<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>k<span class="Delimiter">);</span> -<span id="L258" class="LineNr">258 </span> <span class="Normal">uint8_t</span> val = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">);</span> -<span id="L259" class="LineNr">259 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L260" class="LineNr">260 </span> assert<span class="Delimiter">(</span>overlap<span class="Delimiter">.</span>find<span class="Delimiter">(</span>addr<span class="Delimiter">)</span> == overlap<span class="Delimiter">.</span>end<span class="Delimiter">());</span> -<span id="L261" class="LineNr">261 </span> <a href='010---vm.cc.html#L263'>write_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">,</span> val<span class="Delimiter">);</span> -<span id="L262" class="LineNr">262 </span> overlap<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>addr<span class="Delimiter">);</span> -<span id="L263" class="LineNr">263 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << addr << <span class="Constant">" -> "</span> << <a href='010---vm.cc.html#L412'>HEXBYTE</a> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L202'>read_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">))</span> << end<span class="Delimiter">();</span> -<span id="L264" class="LineNr">264 </span> ++addr<span class="Delimiter">;</span> -<span id="L265" class="LineNr">265 </span> <span class="Delimiter">}</span> -<span id="L266" class="LineNr">266 </span> <span class="Delimiter">}</span> -<span id="L267" class="LineNr">267 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Special"><a href='010---vm.cc.html#L194'>End_of_program</a></span> = addr<span class="Delimiter">;</span> -<span id="L268" class="LineNr">268 </span> <span class="Delimiter">}</span> -<span id="L269" class="LineNr">269 </span> <a href='010---vm.cc.html#L29'>EIP</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>start<span class="Delimiter">;</span> -<span id="L270" class="LineNr">270 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"done"</span> << end<span class="Delimiter">();</span> -<span id="L271" class="LineNr">271 </span><span class="Delimiter">}</span> -<span id="L272" class="LineNr">272 </span> -<span id="L273" class="LineNr">273 </span><span class="Normal">uint8_t</span> <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L274" class="LineNr">274 </span> istringstream in<span class="Delimiter">(</span>s<span class="Delimiter">);</span> -<span id="L275" class="LineNr">275 </span> <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L276" class="LineNr">276 </span> in >> std::hex >> result<span class="Delimiter">;</span> -<span id="L277" class="LineNr">277 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!in || !in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L278" class="LineNr">278 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"token '"</span> << s << <span class="Constant">"' is not a hex byte\n"</span> << end<span class="Delimiter">();</span> -<span id="L279" class="LineNr">279 </span> <span class="Identifier">return</span> <span class="cSpecial">'\0'</span><span class="Delimiter">;</span> -<span id="L280" class="LineNr">280 </span> <span class="Delimiter">}</span> -<span id="L281" class="LineNr">281 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>result > <span class="Constant">0xff</span> || result < -<span class="Constant">0x8f</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L282" class="LineNr">282 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"token '"</span> << s << <span class="Constant">"' is not a hex byte\n"</span> << end<span class="Delimiter">();</span> -<span id="L283" class="LineNr">283 </span> <span class="Identifier">return</span> <span class="cSpecial">'\0'</span><span class="Delimiter">;</span> -<span id="L284" class="LineNr">284 </span> <span class="Delimiter">}</span> -<span id="L285" class="LineNr">285 </span> <span class="Identifier">return</span> <span class="Normal">static_cast</span><<span class="Normal">uint8_t</span>><span class="Delimiter">(</span>result<span class="Delimiter">);</span> -<span id="L286" class="LineNr">286 </span><span class="Delimiter">}</span> -<span id="L287" class="LineNr">287 </span> -<span id="L288" class="LineNr">288 </span><span class="Delimiter">:(scenarios parse_and_load)</span> -<span id="L289" class="LineNr">289 </span><span class="Delimiter">:(scenario number_too_large)</span> -<span id="L290" class="LineNr">290 </span><span class="Special">% Hide_errors = true;</span> -<span id="L291" class="LineNr">291 </span>== <span class="Constant">0x1</span> -<span id="L292" class="LineNr">292 </span><span class="PreProc">0</span><span class="Constant">5</span> cab -<span id="L293" class="LineNr">293 </span><span class="traceContains">+error: token 'cab' is not a hex byte</span> -<span id="L294" class="LineNr">294 </span> -<span id="L295" class="LineNr">295 </span><span class="Delimiter">:(scenario invalid_hex)</span> -<span id="L296" class="LineNr">296 </span><span class="Special">% Hide_errors = true;</span> -<span id="L297" class="LineNr">297 </span>== <span class="Constant">0x1</span> -<span id="L298" class="LineNr">298 </span><span class="PreProc">0</span><span class="Constant">5</span> cx -<span id="L299" class="LineNr">299 </span><span class="traceContains">+error: token 'cx' is not a hex byte</span> -<span id="L300" class="LineNr">300 </span> -<span id="L301" class="LineNr">301 </span><span class="Delimiter">:(scenario negative_number)</span> -<span id="L302" class="LineNr">302 </span>== <span class="Constant">0x1</span> -<span id="L303" class="LineNr">303 </span><span class="PreProc">0</span><span class="Constant">5</span> -<span class="Constant">12</span> -<span id="L304" class="LineNr">304 </span>$error: <span class="Constant">0</span> -<span id="L305" class="LineNr">305 </span> -<span id="L306" class="LineNr">306 </span><span class="Delimiter">:(scenario negative_number_too_small)</span> -<span id="L307" class="LineNr">307 </span><span class="Special">% Hide_errors = true;</span> -<span id="L308" class="LineNr">308 </span>== <span class="Constant">0x1</span> -<span id="L309" class="LineNr">309 </span><span class="PreProc">0</span><span class="Constant">5</span> -<span class="Constant">12345</span> -<span id="L310" class="LineNr">310 </span><span class="traceContains">+error: token '-12345' is not a hex byte</span> -<span id="L311" class="LineNr">311 </span> -<span id="L312" class="LineNr">312 </span><span class="Delimiter">:(scenario hex_prefix)</span> -<span id="L313" class="LineNr">313 </span>== <span class="Constant">0x1</span> -<span id="L314" class="LineNr">314 </span><span class="Constant">0x05</span> -<span class="Constant">0x12</span> -<span id="L315" class="LineNr">315 </span>$error: <span class="Constant">0</span> -<span id="L316" class="LineNr">316 </span> -<span id="L317" class="LineNr">317 </span><span class="Comment">//: helper for tests</span> -<span id="L318" class="LineNr">318 </span><span class="Delimiter">:(code)</span> -<span id="L319" class="LineNr">319 </span><span class="Normal">void</span> <a href='011run.cc.html#L319'>parse_and_load</a><span class="Delimiter">(</span><span class="Normal">const</span> string& text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L320" class="LineNr">320 </span> <a href='011run.cc.html#L99'>program</a> p<span class="Delimiter">;</span> -<span id="L321" class="LineNr">321 </span> istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span> -<span id="L322" class="LineNr">322 </span> parse<span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span> -<span id="L323" class="LineNr">323 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// if any stage raises errors, stop immediately</span> -<span id="L324" class="LineNr">324 </span> <a href='011run.cc.html#L240'>load</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> -<span id="L325" class="LineNr">325 </span><span class="Delimiter">}</span> +<span id="L165" class="LineNr">165 </span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L119'>word</a><span class="Delimiter">());</span> +<span id="L166" class="LineNr">166 </span> <a href='011run.cc.html#L187'>parse_word</a><span class="Delimiter">(</span>word_data<span class="Delimiter">,</span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">());</span> +<span id="L167" class="LineNr">167 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"word: "</span> << to_string<span class="Delimiter">(</span>curr<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">());</span> +<span id="L168" class="LineNr">168 </span> <span class="Delimiter">}</span> +<span id="L169" class="LineNr">169 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!curr<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> +<span id="L170" class="LineNr">170 </span> l<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> +<span id="L171" class="LineNr">171 </span> <span class="Delimiter">}</span> +<span id="L172" class="LineNr">172 </span> <a href='011run.cc.html#L176'>flush</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> l<span class="Delimiter">);</span> +<span id="L173" class="LineNr">173 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"done"</span> << end<span class="Delimiter">();</span> +<span id="L174" class="LineNr">174 </span><span class="Delimiter">}</span> +<span id="L175" class="LineNr">175 </span> +<span id="L176" class="LineNr">176 </span><span class="Normal">void</span> <a href='011run.cc.html#L176'>flush</a><span class="Delimiter">(</span>program& p<span class="Delimiter">,</span> vector<line>& <a href='011run.cc.html#L105'>lines</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L177" class="LineNr">177 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L178" class="LineNr">178 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> +<span id="L179" class="LineNr">179 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"input does not start with a '==' section header\n"</span> << end<span class="Delimiter">();</span> +<span id="L180" class="LineNr">180 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L181" class="LineNr">181 </span> <span class="Delimiter">}</span> +<span id="L182" class="LineNr">182 </span> <span class="Comment">// End flush(p, lines) Special-cases</span> +<span id="L183" class="LineNr">183 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"flushing segment"</span> << end<span class="Delimiter">();</span> +<span id="L184" class="LineNr">184 </span> p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> +<span id="L185" class="LineNr">185 </span><span class="Delimiter">}</span> +<span id="L186" class="LineNr">186 </span> +<span id="L187" class="LineNr">187 </span><span class="Normal">void</span> <a href='011run.cc.html#L187'>parse_word</a><span class="Delimiter">(</span><span class="Normal">const</span> string& data<span class="Delimiter">,</span> word& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L188" class="LineNr">188 </span> out<span class="Delimiter">.</span>original = data<span class="Delimiter">;</span> +<span id="L189" class="LineNr">189 </span> istringstream win<span class="Delimiter">(</span>data<span class="Delimiter">);</span> +<span id="L190" class="LineNr">190 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>getline<span class="Delimiter">(</span>win<span class="Delimiter">,</span> out<span class="Delimiter">.</span>data<span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L191" class="LineNr">191 </span> string m<span class="Delimiter">;</span> +<span id="L192" class="LineNr">192 </span> <span class="Normal">while</span> <span class="Delimiter">(</span>getline<span class="Delimiter">(</span>win<span class="Delimiter">,</span> m<span class="Delimiter">,</span> <span class="Constant">'/'</span><span class="Delimiter">))</span> +<span id="L193" class="LineNr">193 </span> out<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>m<span class="Delimiter">);</span> +<span id="L194" class="LineNr">194 </span> <span class="Delimiter">}</span> +<span id="L195" class="LineNr">195 </span><span class="Delimiter">}</span> +<span id="L196" class="LineNr">196 </span> +<span id="L197" class="LineNr">197 </span><span class="Normal">void</span> <a href='011run.cc.html#L197'>sanity_check_program_segment</a><span class="Delimiter">(</span><span class="Normal">const</span> program& p<span class="Delimiter">,</span> <span class="Normal">uint32_t</span> addr<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L198" class="LineNr">198 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L199" class="LineNr">199 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>start == addr<span class="Delimiter">)</span> +<span id="L200" class="LineNr">200 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"can't have multiple segments starting at address 0x"</span> << HEXWORD << addr << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> +<span id="L201" class="LineNr">201 </span> <span class="Delimiter">}</span> +<span id="L202" class="LineNr">202 </span><span class="Delimiter">}</span> +<span id="L203" class="LineNr">203 </span> +<span id="L204" class="LineNr">204 </span><span class="Comment">// helper for tests</span> +<span id="L205" class="LineNr">205 </span><span class="Normal">void</span> parse<span class="Delimiter">(</span><span class="Normal">const</span> string& text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L206" class="LineNr">206 </span> <a href='011run.cc.html#L95'>program</a> p<span class="Delimiter">;</span> +<span id="L207" class="LineNr">207 </span> istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span> +<span id="L208" class="LineNr">208 </span> parse<span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span> +<span id="L209" class="LineNr">209 </span><span class="Delimiter">}</span> +<span id="L210" class="LineNr">210 </span> +<span id="L211" class="LineNr">211 </span><span class="Delimiter">:(scenarios parse)</span> +<span id="L212" class="LineNr">212 </span><span class="Delimiter">:(scenario detect_duplicate_segments)</span> +<span id="L213" class="LineNr">213 </span><span class="Special">% Hide_errors = true;</span> +<span id="L214" class="LineNr">214 </span>== <span class="Constant">0xee</span> +<span id="L215" class="LineNr">215 </span>ab +<span id="L216" class="LineNr">216 </span>== <span class="Constant">0xee</span> +<span id="L217" class="LineNr">217 </span>cd +<span id="L218" class="LineNr">218 </span><span class="traceContains">+error: can't have multiple segments starting at address 0x000000ee</span> +<span id="L219" class="LineNr">219 </span> +<span id="L220" class="LineNr">220 </span><span class="SalientComment">//:: transform</span> +<span id="L221" class="LineNr">221 </span> +<span id="L222" class="LineNr">222 </span><span class="Delimiter">:(before "End Types")</span> +<span id="L223" class="LineNr">223 </span><span class="Normal">typedef</span> <span class="Normal">void</span> <span class="Delimiter">(</span>*transform_fn<span class="Delimiter">)(</span>program&<span class="Delimiter">);</span> +<span id="L224" class="LineNr">224 </span><span class="Delimiter">:(before "End Globals")</span> +<span id="L225" class="LineNr">225 </span>vector<transform_fn> <span class="Special"><a href='011run.cc.html#L225'>Transform</a></span><span class="Delimiter">;</span> +<span id="L226" class="LineNr">226 </span> +<span id="L227" class="LineNr">227 </span><span class="Delimiter">:(code)</span> +<span id="L228" class="LineNr">228 </span><span class="Normal">void</span> <a href='011run.cc.html#L228'>transform</a><span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L229" class="LineNr">229 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"begin"</span> << end<span class="Delimiter">();</span> +<span id="L230" class="LineNr">230 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> t = <span class="Constant">0</span><span class="Delimiter">;</span> t < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><span class="Special"><a href='011run.cc.html#L225'>Transform</a></span><span class="Delimiter">);</span> ++t<span class="Delimiter">)</span> +<span id="L231" class="LineNr">231 </span> <span class="Delimiter">(</span>*<span class="Special"><a href='011run.cc.html#L225'>Transform</a></span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">))(</span>p<span class="Delimiter">);</span> +<span id="L232" class="LineNr">232 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"done"</span> << end<span class="Delimiter">();</span> +<span id="L233" class="LineNr">233 </span><span class="Delimiter">}</span> +<span id="L234" class="LineNr">234 </span> +<span id="L235" class="LineNr">235 </span><span class="SalientComment">//:: load</span> +<span id="L236" class="LineNr">236 </span> +<span id="L237" class="LineNr">237 </span><span class="Normal">void</span> <a href='011run.cc.html#L237'>load</a><span class="Delimiter">(</span><span class="Normal">const</span> program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L238" class="LineNr">238 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"begin"</span> << end<span class="Delimiter">();</span> +<span id="L239" class="LineNr">239 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> +<span id="L240" class="LineNr">240 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"no <a href='031check_operands.cc.html#L11'>code</a> to run\n"</span> << end<span class="Delimiter">();</span> +<span id="L241" class="LineNr">241 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L242" class="LineNr">242 </span> <span class="Delimiter">}</span> +<span id="L243" class="LineNr">243 </span> <span class="Comment">// Ensure segments are disjoint.</span> +<span id="L244" class="LineNr">244 </span> set<<span class="Normal">uint32_t</span>> overlap<span class="Delimiter">;</span> +<span id="L245" class="LineNr">245 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L246" class="LineNr">246 </span> <span class="Normal">const</span> segment& seg = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L247" class="LineNr">247 </span> <span class="Normal">uint32_t</span> addr = seg<span class="Delimiter">.</span>start<span class="Delimiter">;</span> +<span id="L248" class="LineNr">248 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!already_allocated<span class="Delimiter">(</span>addr<span class="Delimiter">))</span> +<span id="L249" class="LineNr">249 </span> <span class="Special"><a href='010---vm.cc.html#L180'>Mem</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>vma<span class="Delimiter">(</span>seg<span class="Delimiter">.</span>start<span class="Delimiter">));</span> +<span id="L250" class="LineNr">250 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"loading segment "</span> << i << <span class="Constant">" from "</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << addr << end<span class="Delimiter">();</span> +<span id="L251" class="LineNr">251 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>seg<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L252" class="LineNr">252 </span> <span class="Normal">const</span> line& l = seg<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> +<span id="L253" class="LineNr">253 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> k = <span class="Constant">0</span><span class="Delimiter">;</span> k < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>l<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++k<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L254" class="LineNr">254 </span> <span class="Normal">const</span> word& w = l<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>k<span class="Delimiter">);</span> +<span id="L255" class="LineNr">255 </span> <span class="Normal">uint8_t</span> val = <a href='011run.cc.html#L271'>hex_byte</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">);</span> +<span id="L256" class="LineNr">256 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L257" class="LineNr">257 </span> assert<span class="Delimiter">(</span>overlap<span class="Delimiter">.</span>find<span class="Delimiter">(</span>addr<span class="Delimiter">)</span> == overlap<span class="Delimiter">.</span>end<span class="Delimiter">());</span> +<span id="L258" class="LineNr">258 </span> <a href='010---vm.cc.html#L263'>write_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">,</span> val<span class="Delimiter">);</span> +<span id="L259" class="LineNr">259 </span> overlap<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>addr<span class="Delimiter">);</span> +<span id="L260" class="LineNr">260 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << addr << <span class="Constant">" -> "</span> << <a href='010---vm.cc.html#L412'>HEXBYTE</a> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L202'>read_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">))</span> << end<span class="Delimiter">();</span> +<span id="L261" class="LineNr">261 </span> ++addr<span class="Delimiter">;</span> +<span id="L262" class="LineNr">262 </span> <span class="Delimiter">}</span> +<span id="L263" class="LineNr">263 </span> <span class="Delimiter">}</span> +<span id="L264" class="LineNr">264 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Special"><a href='010---vm.cc.html#L194'>End_of_program</a></span> = addr<span class="Delimiter">;</span> +<span id="L265" class="LineNr">265 </span> <span class="Delimiter">}</span> +<span id="L266" class="LineNr">266 </span> EIP = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>start<span class="Delimiter">;</span> +<span id="L267" class="LineNr">267 </span> <span class="Comment">// End Initialize EIP</span> +<span id="L268" class="LineNr">268 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << <span class="Constant">"done"</span> << end<span class="Delimiter">();</span> +<span id="L269" class="LineNr">269 </span><span class="Delimiter">}</span> +<span id="L270" class="LineNr">270 </span> +<span id="L271" class="LineNr">271 </span><span class="Normal">uint8_t</span> <a href='011run.cc.html#L271'>hex_byte</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L272" class="LineNr">272 </span> istringstream in<span class="Delimiter">(</span>s<span class="Delimiter">);</span> +<span id="L273" class="LineNr">273 </span> <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L274" class="LineNr">274 </span> in >> std::hex >> result<span class="Delimiter">;</span> +<span id="L275" class="LineNr">275 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!in || !in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Delimiter">{</span> +<span id="L276" class="LineNr">276 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"token '"</span> << s << <span class="Constant">"' is not a hex byte\n"</span> << end<span class="Delimiter">();</span> +<span id="L277" class="LineNr">277 </span> <span class="Identifier">return</span> <span class="cSpecial">'\0'</span><span class="Delimiter">;</span> +<span id="L278" class="LineNr">278 </span> <span class="Delimiter">}</span> +<span id="L279" class="LineNr">279 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>result > <span class="Constant">0xff</span> || result < -<span class="Constant">0x8f</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L280" class="LineNr">280 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"token '"</span> << s << <span class="Constant">"' is not a hex byte\n"</span> << end<span class="Delimiter">();</span> +<span id="L281" class="LineNr">281 </span> <span class="Identifier">return</span> <span class="cSpecial">'\0'</span><span class="Delimiter">;</span> +<span id="L282" class="LineNr">282 </span> <span class="Delimiter">}</span> +<span id="L283" class="LineNr">283 </span> <span class="Identifier">return</span> <span class="Normal">static_cast</span><<span class="Normal">uint8_t</span>><span class="Delimiter">(</span>result<span class="Delimiter">);</span> +<span id="L284" class="LineNr">284 </span><span class="Delimiter">}</span> +<span id="L285" class="LineNr">285 </span> +<span id="L286" class="LineNr">286 </span><span class="Delimiter">:(scenarios parse_and_load)</span> +<span id="L287" class="LineNr">287 </span><span class="Delimiter">:(scenario number_too_large)</span> +<span id="L288" class="LineNr">288 </span><span class="Special">% Hide_errors = true;</span> +<span id="L289" class="LineNr">289 </span>== <span class="Constant">0x1</span> +<span id="L290" class="LineNr">290 </span><span class="PreProc">0</span><span class="Constant">5</span> cab +<span id="L291" class="LineNr">291 </span><span class="traceContains">+error: token 'cab' is not a hex byte</span> +<span id="L292" class="LineNr">292 </span> +<span id="L293" class="LineNr">293 </span><span class="Delimiter">:(scenario invalid_hex)</span> +<span id="L294" class="LineNr">294 </span><span class="Special">% Hide_errors = true;</span> +<span id="L295" class="LineNr">295 </span>== <span class="Constant">0x1</span> +<span id="L296" class="LineNr">296 </span><span class="PreProc">0</span><span class="Constant">5</span> cx +<span id="L297" class="LineNr">297 </span><span class="traceContains">+error: token 'cx' is not a hex byte</span> +<span id="L298" class="LineNr">298 </span> +<span id="L299" class="LineNr">299 </span><span class="Delimiter">:(scenario negative_number)</span> +<span id="L300" class="LineNr">300 </span>== <span class="Constant">0x1</span> +<span id="L301" class="LineNr">301 </span><span class="PreProc">0</span><span class="Constant">5</span> -<span class="Constant">12</span> +<span id="L302" class="LineNr">302 </span>$error: <span class="Constant">0</span> +<span id="L303" class="LineNr">303 </span> +<span id="L304" class="LineNr">304 </span><span class="Delimiter">:(scenario negative_number_too_small)</span> +<span id="L305" class="LineNr">305 </span><span class="Special">% Hide_errors = true;</span> +<span id="L306" class="LineNr">306 </span>== <span class="Constant">0x1</span> +<span id="L307" class="LineNr">307 </span><span class="PreProc">0</span><span class="Constant">5</span> -<span class="Constant">12345</span> +<span id="L308" class="LineNr">308 </span><span class="traceContains">+error: token '-12345' is not a hex byte</span> +<span id="L309" class="LineNr">309 </span> +<span id="L310" class="LineNr">310 </span><span class="Delimiter">:(scenario hex_prefix)</span> +<span id="L311" class="LineNr">311 </span>== <span class="Constant">0x1</span> +<span id="L312" class="LineNr">312 </span><span class="Constant">0x05</span> -<span class="Constant">0x12</span> +<span id="L313" class="LineNr">313 </span>$error: <span class="Constant">0</span> +<span id="L314" class="LineNr">314 </span> +<span id="L315" class="LineNr">315 </span><span class="Comment">//: helper for tests</span> +<span id="L316" class="LineNr">316 </span><span class="Delimiter">:(code)</span> +<span id="L317" class="LineNr">317 </span><span class="Normal">void</span> <a href='011run.cc.html#L317'>parse_and_load</a><span class="Delimiter">(</span><span class="Normal">const</span> string& text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L318" class="LineNr">318 </span> <a href='011run.cc.html#L95'>program</a> p<span class="Delimiter">;</span> +<span id="L319" class="LineNr">319 </span> istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span> +<span id="L320" class="LineNr">320 </span> parse<span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span> +<span id="L321" class="LineNr">321 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// if any stage raises errors, stop immediately</span> +<span id="L322" class="LineNr">322 </span> <a href='011run.cc.html#L237'>load</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> +<span id="L323" class="LineNr">323 </span><span class="Delimiter">}</span> +<span id="L324" class="LineNr">324 </span> +<span id="L325" class="LineNr">325 </span><span class="SalientComment">//:: run</span> <span id="L326" class="LineNr">326 </span> -<span id="L327" class="LineNr">327 </span><span class="SalientComment">//:: run</span> -<span id="L328" class="LineNr">328 </span> -<span id="L329" class="LineNr">329 </span><span class="Delimiter">:(before "End Initialize Op Names")</span> -<span id="L330" class="LineNr">330 </span><a href='001help.cc.html#L262'>put_new</a><span class="Delimiter">(</span><span class="Special"><a href='010---vm.cc.html#L378'>Name</a></span><span class="Delimiter">,</span> <span class="Constant">"05"</span><span class="Delimiter">,</span> <span class="Constant">"add <a href='037heap.cc.html#L23'>imm32</a> to <a href='010---vm.cc.html#L13'>EAX</a> (add)"</span><span class="Delimiter">);</span> -<span id="L331" class="LineNr">331 </span> -<span id="L332" class="LineNr">332 </span><span class="Comment">//: our first opcode</span> -<span id="L333" class="LineNr">333 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> -<span id="L334" class="LineNr">334 </span><span class="Normal">case</span> <span class="Constant">0x05</span>: <span class="Delimiter">{</span> <span class="Comment">// add imm32 to EAX</span> -<span id="L335" class="LineNr">335 </span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> -<span id="L336" class="LineNr">336 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"add <a href='037heap.cc.html#L23'>imm32</a> 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << arg2 << <span class="Constant">" to <a href='010---vm.cc.html#L23'>reg</a> EAX"</span> << end<span class="Delimiter">();</span> -<span id="L337" class="LineNr">337 </span> <a href='010---vm.cc.html#L91'>BINARY_ARITHMETIC_OP</a><span class="Delimiter">(</span>+<span class="Delimiter">,</span> <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[EAX]<span class="Delimiter">.</span>i<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> -<span id="L338" class="LineNr">338 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> -<span id="L339" class="LineNr">339 </span><span class="Delimiter">}</span> -<span id="L340" class="LineNr">340 </span> -<span id="L341" class="LineNr">341 </span><span class="Delimiter">:(code)</span> -<span id="L342" class="LineNr">342 </span><span class="Comment">// read a 32-bit int in little-endian order from the instruction stream</span> -<span id="L343" class="LineNr">343 </span><span class="Normal">int32_t</span> <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> -<span id="L344" class="LineNr">344 </span> <span class="Normal">int32_t</span> result = <a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">();</span> -<span id="L345" class="LineNr">345 </span> result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">()</span><<<span class="Constant">8</span><span class="Delimiter">);</span> -<span id="L346" class="LineNr">346 </span> result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">()</span><<<span class="Constant">16</span><span class="Delimiter">);</span> -<span id="L347" class="LineNr">347 </span> result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">()</span><<<span class="Constant">24</span><span class="Delimiter">);</span> -<span id="L348" class="LineNr">348 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> -<span id="L349" class="LineNr">349 </span><span class="Delimiter">}</span> +<span id="L327" class="LineNr">327 </span><span class="Delimiter">:(before "End Initialize Op Names")</span> +<span id="L328" class="LineNr">328 </span><a href='001help.cc.html#L262'>put_new</a><span class="Delimiter">(</span><span class="Special"><a href='010---vm.cc.html#L378'>Name</a></span><span class="Delimiter">,</span> <span class="Constant">"05"</span><span class="Delimiter">,</span> <span class="Constant">"add <a href='037heap.cc.html#L23'>imm32</a> to <a href='010---vm.cc.html#L13'>EAX</a> (add)"</span><span class="Delimiter">);</span> +<span id="L329" class="LineNr">329 </span> +<span id="L330" class="LineNr">330 </span><span class="Comment">//: our first opcode</span> +<span id="L331" class="LineNr">331 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> +<span id="L332" class="LineNr">332 </span><span class="Normal">case</span> <span class="Constant">0x05</span>: <span class="Delimiter">{</span> <span class="Comment">// add imm32 to EAX</span> +<span id="L333" class="LineNr">333 </span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> +<span id="L334" class="LineNr">334 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"add <a href='037heap.cc.html#L23'>imm32</a> 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << arg2 << <span class="Constant">" to <a href='010---vm.cc.html#L23'>reg</a> EAX"</span> << end<span class="Delimiter">();</span> +<span id="L335" class="LineNr">335 </span> <a href='010---vm.cc.html#L91'>BINARY_ARITHMETIC_OP</a><span class="Delimiter">(</span>+<span class="Delimiter">,</span> <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[EAX]<span class="Delimiter">.</span>i<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> +<span id="L336" class="LineNr">336 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L337" class="LineNr">337 </span><span class="Delimiter">}</span> +<span id="L338" class="LineNr">338 </span> +<span id="L339" class="LineNr">339 </span><span class="Delimiter">:(code)</span> +<span id="L340" class="LineNr">340 </span><span class="Comment">// read a 32-bit int in little-endian order from the instruction stream</span> +<span id="L341" class="LineNr">341 </span><span class="Normal">int32_t</span> <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> +<span id="L342" class="LineNr">342 </span> <span class="Normal">int32_t</span> result = <a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">();</span> +<span id="L343" class="LineNr">343 </span> result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">()</span><<<span class="Constant">8</span><span class="Delimiter">);</span> +<span id="L344" class="LineNr">344 </span> result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">()</span><<<span class="Constant">16</span><span class="Delimiter">);</span> +<span id="L345" class="LineNr">345 </span> result |= <span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">()</span><<<span class="Constant">24</span><span class="Delimiter">);</span> +<span id="L346" class="LineNr">346 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<span id="L347" class="LineNr">347 </span><span class="Delimiter">}</span> +<span id="L348" class="LineNr">348 </span> +<span id="L349" class="LineNr">349 </span><span class="SalientComment">//:: helpers</span> <span id="L350" class="LineNr">350 </span> -<span id="L351" class="LineNr">351 </span><span class="SalientComment">//:: helpers</span> -<span id="L352" class="LineNr">352 </span> -<span id="L353" class="LineNr">353 </span><span class="Delimiter">:(code)</span> -<span id="L354" class="LineNr">354 </span>string to_string<span class="Delimiter">(</span><span class="Normal">const</span> word& w<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L355" class="LineNr">355 </span> ostringstream out<span class="Delimiter">;</span> -<span id="L356" class="LineNr">356 </span> out << w<span class="Delimiter">.</span>data<span class="Delimiter">;</span> -<span id="L357" class="LineNr">357 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>metadata<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L358" class="LineNr">358 </span> out << <span class="Constant">" /"</span> << w<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L359" class="LineNr">359 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> -<span id="L360" class="LineNr">360 </span><span class="Delimiter">}</span> -<span id="L361" class="LineNr">361 </span> -<span id="L362" class="LineNr">362 </span><span class="Normal">int32_t</span> <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L363" class="LineNr">363 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L364" class="LineNr">364 </span> istringstream in<span class="Delimiter">(</span>s<span class="Delimiter">);</span> -<span id="L365" class="LineNr">365 </span> in >> std::hex<span class="Delimiter">;</span> -<span id="L366" class="LineNr">366 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'-'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L367" class="LineNr">367 </span> <span class="Normal">int32_t</span> result = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L368" class="LineNr">368 </span> in >> result<span class="Delimiter">;</span> -<span id="L369" class="LineNr">369 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!in || !in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L370" class="LineNr">370 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"not a number: "</span> << s << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> -<span id="L371" class="LineNr">371 </span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L372" class="LineNr">372 </span> <span class="Delimiter">}</span> -<span id="L373" class="LineNr">373 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> -<span id="L374" class="LineNr">374 </span> <span class="Delimiter">}</span> -<span id="L375" class="LineNr">375 </span> <span class="Normal">uint32_t</span> uresult = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L376" class="LineNr">376 </span> in >> uresult<span class="Delimiter">;</span> -<span id="L377" class="LineNr">377 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!in || !in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L378" class="LineNr">378 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"not a number: "</span> << s << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> -<span id="L379" class="LineNr">379 </span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L380" class="LineNr">380 </span> <span class="Delimiter">}</span> -<span id="L381" class="LineNr">381 </span> <span class="Identifier">return</span> <span class="Normal">static_cast</span><<span class="Normal">int32_t</span>><span class="Delimiter">(</span>uresult<span class="Delimiter">);</span> -<span id="L382" class="LineNr">382 </span><span class="Delimiter">}</span> -<span id="L383" class="LineNr">383 </span><span class="Delimiter">:(before "End Unit Tests")</span> -<span id="L384" class="LineNr">384 </span><span class="Normal">void</span> <a href='011run.cc.html#L384'>test_parse_int</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> -<span id="L385" class="LineNr">385 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span><span class="Constant">"0"</span><span class="Delimiter">));</span> -<span id="L386" class="LineNr">386 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span><span class="Constant">"0x0"</span><span class="Delimiter">));</span> -<span id="L387" class="LineNr">387 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span><span class="Constant">"0x0"</span><span class="Delimiter">));</span> -<span id="L388" class="LineNr">388 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><span class="Constant">16</span><span class="Delimiter">,</span> <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span><span class="Constant">"10"</span><span class="Delimiter">));</span> <span class="Comment">// hex always</span> -<span id="L389" class="LineNr">389 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>-<span class="Constant">1</span><span class="Delimiter">,</span> <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span><span class="Constant">"-1"</span><span class="Delimiter">));</span> -<span id="L390" class="LineNr">390 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>-<span class="Constant">1</span><span class="Delimiter">,</span> <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span><span class="Constant">"0xffffffff"</span><span class="Delimiter">));</span> -<span id="L391" class="LineNr">391 </span><span class="Delimiter">}</span> +<span id="L351" class="LineNr">351 </span><span class="Delimiter">:(code)</span> +<span id="L352" class="LineNr">352 </span>string to_string<span class="Delimiter">(</span><span class="Normal">const</span> word& w<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L353" class="LineNr">353 </span> ostringstream out<span class="Delimiter">;</span> +<span id="L354" class="LineNr">354 </span> out << w<span class="Delimiter">.</span>data<span class="Delimiter">;</span> +<span id="L355" class="LineNr">355 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>metadata<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L356" class="LineNr">356 </span> out << <span class="Constant">" /"</span> << w<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L357" class="LineNr">357 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> +<span id="L358" class="LineNr">358 </span><span class="Delimiter">}</span> +<span id="L359" class="LineNr">359 </span> +<span id="L360" class="LineNr">360 </span><span class="Normal">int32_t</span> <a href='011run.cc.html#L360'>parse_int</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L361" class="LineNr">361 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L362" class="LineNr">362 </span> istringstream in<span class="Delimiter">(</span>s<span class="Delimiter">);</span> +<span id="L363" class="LineNr">363 </span> in >> std::hex<span class="Delimiter">;</span> +<span id="L364" class="LineNr">364 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'-'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L365" class="LineNr">365 </span> <span class="Normal">int32_t</span> result = <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L366" class="LineNr">366 </span> in >> result<span class="Delimiter">;</span> +<span id="L367" class="LineNr">367 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!in || !in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Delimiter">{</span> +<span id="L368" class="LineNr">368 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"not a number: "</span> << s << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> +<span id="L369" class="LineNr">369 </span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L370" class="LineNr">370 </span> <span class="Delimiter">}</span> +<span id="L371" class="LineNr">371 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<span id="L372" class="LineNr">372 </span> <span class="Delimiter">}</span> +<span id="L373" class="LineNr">373 </span> <span class="Normal">uint32_t</span> uresult = <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L374" class="LineNr">374 </span> in >> uresult<span class="Delimiter">;</span> +<span id="L375" class="LineNr">375 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!in || !in<span class="Delimiter">.</span>eof<span class="Delimiter">())</span> <span class="Delimiter">{</span> +<span id="L376" class="LineNr">376 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"not a number: "</span> << s << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> +<span id="L377" class="LineNr">377 </span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L378" class="LineNr">378 </span> <span class="Delimiter">}</span> +<span id="L379" class="LineNr">379 </span> <span class="Identifier">return</span> <span class="Normal">static_cast</span><<span class="Normal">int32_t</span>><span class="Delimiter">(</span>uresult<span class="Delimiter">);</span> +<span id="L380" class="LineNr">380 </span><span class="Delimiter">}</span> +<span id="L381" class="LineNr">381 </span><span class="Delimiter">:(before "End Unit Tests")</span> +<span id="L382" class="LineNr">382 </span><span class="Normal">void</span> <a href='011run.cc.html#L382'>test_parse_int</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> +<span id="L383" class="LineNr">383 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <a href='011run.cc.html#L360'>parse_int</a><span class="Delimiter">(</span><span class="Constant">"0"</span><span class="Delimiter">));</span> +<span id="L384" class="LineNr">384 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <a href='011run.cc.html#L360'>parse_int</a><span class="Delimiter">(</span><span class="Constant">"0x0"</span><span class="Delimiter">));</span> +<span id="L385" class="LineNr">385 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <a href='011run.cc.html#L360'>parse_int</a><span class="Delimiter">(</span><span class="Constant">"0x0"</span><span class="Delimiter">));</span> +<span id="L386" class="LineNr">386 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><span class="Constant">16</span><span class="Delimiter">,</span> <a href='011run.cc.html#L360'>parse_int</a><span class="Delimiter">(</span><span class="Constant">"10"</span><span class="Delimiter">));</span> <span class="Comment">// hex always</span> +<span id="L387" class="LineNr">387 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>-<span class="Constant">1</span><span class="Delimiter">,</span> <a href='011run.cc.html#L360'>parse_int</a><span class="Delimiter">(</span><span class="Constant">"-1"</span><span class="Delimiter">));</span> +<span id="L388" class="LineNr">388 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>-<span class="Constant">1</span><span class="Delimiter">,</span> <a href='011run.cc.html#L360'>parse_int</a><span class="Delimiter">(</span><span class="Constant">"0xffffffff"</span><span class="Delimiter">));</span> +<span id="L389" class="LineNr">389 </span><span class="Delimiter">}</span> </pre> </body> </html> diff --git a/html/subx/012elf.cc.html b/html/subx/012elf.cc.html index 7bc7680f..36a86df8 100644 --- a/html/subx/012elf.cc.html +++ b/html/subx/012elf.cc.html @@ -69,9 +69,9 @@ if ('onhashchange' in window) { <span id="L10" class="LineNr"> 10 </span> <a href='000organization.cc.html#L148'>reset</a><span class="Delimiter">();</span> <span id="L11" class="LineNr"> 11 </span> cerr << std::hex<span class="Delimiter">;</span> <span id="L12" class="LineNr"> 12 </span> <a href='012elf.cc.html#L20'>load_elf</a><span class="Delimiter">(</span>argv[<span class="Constant">2</span>]<span class="Delimiter">,</span> argc<span class="Delimiter">,</span> argv<span class="Delimiter">);</span> -<span id="L13" class="LineNr"> 13 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='010---vm.cc.html#L29'>EIP</a> < <span class="Special"><a href='010---vm.cc.html#L194'>End_of_program</a></span><span class="Delimiter">)</span> <span class="Comment">// weak final-gasp termination check</span> +<span id="L13" class="LineNr"> 13 </span> <span class="Normal">while</span> <span class="Delimiter">(</span>EIP < <span class="Special"><a href='010---vm.cc.html#L194'>End_of_program</a></span><span class="Delimiter">)</span> <span class="Comment">// weak final-gasp termination check</span> <span id="L14" class="LineNr"> 14 </span> <a href='010---vm.cc.html#L296'>run_one_instruction</a><span class="Delimiter">();</span> -<span id="L15" class="LineNr"> 15 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"executed past end of the world: "</span> << <a href='010---vm.cc.html#L29'>EIP</a> << <span class="Constant">" vs "</span> << <span class="Special"><a href='010---vm.cc.html#L194'>End_of_program</a></span> << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> +<span id="L15" class="LineNr"> 15 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"executed past end of the world: "</span> << EIP << <span class="Constant">" vs "</span> << <span class="Special"><a href='010---vm.cc.html#L194'>End_of_program</a></span> << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> <span id="L16" class="LineNr"> 16 </span> <span class="Identifier">return</span> <span class="Constant">1</span><span class="Delimiter">;</span> <span id="L17" class="LineNr"> 17 </span><span class="Delimiter">}</span> <span id="L18" class="LineNr"> 18 </span> @@ -103,7 +103,7 @@ if ('onhashchange' in window) { <span id="L44" class="LineNr"> 44 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>e_machine_type != <span class="Constant">0x00030002</span><span class="Delimiter">)</span> <span id="L45" class="LineNr"> 45 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"ELF type/machine 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << e_machine_type << <span class="Constant">" isn't i386 executable\n"</span> << die<span class="Delimiter">();</span> <span id="L46" class="LineNr"> 46 </span> <span class="Comment">// unused: e_version. We only support version 1, and later versions will be backwards compatible.</span> -<span id="L47" class="LineNr"> 47 </span> <span class="Normal">uint32_t</span> e_entry = <a href='012elf.cc.html#L150'>u32_in</a><span class="Delimiter">(</span>&elf_contents[<span class="Constant">24</span>]<span class="Delimiter">);</span> +<span id="L47" class="LineNr"> 47 </span> <span class="Normal">uint32_t</span> <a href='035labels.cc.html#L39'>e_entry</a> = <a href='012elf.cc.html#L150'>u32_in</a><span class="Delimiter">(</span>&elf_contents[<span class="Constant">24</span>]<span class="Delimiter">);</span> <span id="L48" class="LineNr"> 48 </span> <span class="Normal">uint32_t</span> e_phoff = <a href='012elf.cc.html#L150'>u32_in</a><span class="Delimiter">(</span>&elf_contents[<span class="Constant">28</span>]<span class="Delimiter">);</span> <span id="L49" class="LineNr"> 49 </span> <span class="Comment">// unused: e_shoff</span> <span id="L50" class="LineNr"> 50 </span> <span class="Comment">// unused: e_flags</span> @@ -111,7 +111,7 @@ if ('onhashchange' in window) { <span id="L52" class="LineNr"> 52 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>e_ehsize < <span class="Constant">52</span><span class="Delimiter">)</span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"Invalid binary; ELF header too small\n"</span> << <a href='012elf.cc.html#L168'>die</a><span class="Delimiter">();</span> <span id="L53" class="LineNr"> 53 </span> <span class="Normal">uint32_t</span> e_phentsize = <a href='012elf.cc.html#L154'>u16_in</a><span class="Delimiter">(</span>&elf_contents[<span class="Constant">42</span>]<span class="Delimiter">);</span> <span id="L54" class="LineNr"> 54 </span> <span class="Normal">uint32_t</span> e_phnum = <a href='012elf.cc.html#L154'>u16_in</a><span class="Delimiter">(</span>&elf_contents[<span class="Constant">44</span>]<span class="Delimiter">);</span> -<span id="L55" class="LineNr"> 55 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << e_phnum << <span class="Constant">" entries in the <a href='011run.cc.html#L99'>program</a> header, each "</span> << e_phentsize << <span class="Constant">" bytes long"</span> << end<span class="Delimiter">();</span> +<span id="L55" class="LineNr"> 55 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"load"</span><span class="Delimiter">)</span> << e_phnum << <span class="Constant">" entries in the <a href='011run.cc.html#L95'>program</a> header, each "</span> << e_phentsize << <span class="Constant">" bytes long"</span> << end<span class="Delimiter">();</span> <span id="L56" class="LineNr"> 56 </span> <span class="Comment">// unused: e_shentsize</span> <span id="L57" class="LineNr"> 57 </span> <span class="Comment">// unused: e_shnum</span> <span id="L58" class="LineNr"> 58 </span> <span class="Comment">// unused: e_shstrndx</span> @@ -126,7 +126,7 @@ if ('onhashchange' in window) { <span id="L67" class="LineNr"> 67 </span> assert<span class="Delimiter">(</span>overlap<span class="Delimiter">.</span>find<span class="Delimiter">(</span><a href='012elf.cc.html#L138'>AFTER_STACK</a><span class="Delimiter">)</span> == overlap<span class="Delimiter">.</span>end<span class="Delimiter">());</span> <span id="L68" class="LineNr"> 68 </span> <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[ESP]<span class="Delimiter">.</span>u = <a href='012elf.cc.html#L138'>AFTER_STACK</a><span class="Delimiter">;</span> <span id="L69" class="LineNr"> 69 </span> <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[EBP]<span class="Delimiter">.</span>u = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L70" class="LineNr"> 70 </span> <a href='010---vm.cc.html#L29'>EIP</a> = e_entry<span class="Delimiter">;</span> +<span id="L70" class="LineNr"> 70 </span> EIP = <a href='035labels.cc.html#L39'>e_entry</a><span class="Delimiter">;</span> <span id="L71" class="LineNr"> 71 </span> <span id="L72" class="LineNr"> 72 </span> <span class="Comment">// initialize args on stack</span> <span id="L73" class="LineNr"> 73 </span> <span class="Comment">// no envp for now</span> @@ -161,7 +161,7 @@ if ('onhashchange' in window) { <span id="L102" class="LineNr">102 </span> <span class="Delimiter">}</span> <span id="L103" class="LineNr">103 </span> <span class="Normal">uint32_t</span> p_offset = <a href='012elf.cc.html#L150'>u32_in</a><span class="Delimiter">(</span>&elf_contents[offset + <span class="Constant">4</span>]<span class="Delimiter">);</span> <span id="L104" class="LineNr">104 </span> <span class="Normal">uint32_t</span> p_vaddr = <a href='012elf.cc.html#L150'>u32_in</a><span class="Delimiter">(</span>&elf_contents[offset + <span class="Constant">8</span>]<span class="Delimiter">);</span> -<span id="L105" class="LineNr">105 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>e_ehsize > p_vaddr<span class="Delimiter">)</span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"Invalid binary; <a href='011run.cc.html#L99'>program</a> header overlaps ELF header\n"</span> << <a href='012elf.cc.html#L168'>die</a><span class="Delimiter">();</span> +<span id="L105" class="LineNr">105 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>e_ehsize > p_vaddr<span class="Delimiter">)</span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"Invalid binary; <a href='011run.cc.html#L95'>program</a> header overlaps ELF header\n"</span> << <a href='012elf.cc.html#L168'>die</a><span class="Delimiter">();</span> <span id="L106" class="LineNr">106 </span> <span class="Comment">// unused: p_paddr</span> <span id="L107" class="LineNr">107 </span> <span class="Normal">uint32_t</span> p_filesz = <a href='012elf.cc.html#L150'>u32_in</a><span class="Delimiter">(</span>&elf_contents[offset + <span class="Constant">16</span>]<span class="Delimiter">);</span> <span id="L108" class="LineNr">108 </span> <span class="Normal">uint32_t</span> p_memsz = <a href='012elf.cc.html#L150'>u32_in</a><span class="Delimiter">(</span>&elf_contents[offset + <span class="Constant">20</span>]<span class="Delimiter">);</span> diff --git a/html/subx/014indirect_addressing.cc.html b/html/subx/014indirect_addressing.cc.html index 27499260..70f76a80 100644 --- a/html/subx/014indirect_addressing.cc.html +++ b/html/subx/014indirect_addressing.cc.html @@ -468,8 +468,8 @@ if ('onhashchange' in window) { <span id="L405" class="LineNr">405 </span><span class="Normal">case</span> <span class="Constant">4</span>: <span class="Delimiter">{</span> <span class="Comment">// jump to r/m32</span> <span id="L406" class="LineNr">406 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump to r/m32"</span> << end<span class="Delimiter">();</span> <span id="L407" class="LineNr">407 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span>* arg2 = <a href='013direct_addressing.cc.html#L31'>effective_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span> -<span id="L408" class="LineNr">408 </span> <a href='010---vm.cc.html#L29'>EIP</a> = *arg2<span class="Delimiter">;</span> -<span id="L409" class="LineNr">409 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jumping to 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << <a href='010---vm.cc.html#L29'>EIP</a> << end<span class="Delimiter">();</span> +<span id="L408" class="LineNr">408 </span> EIP = *arg2<span class="Delimiter">;</span> +<span id="L409" class="LineNr">409 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jumping to 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << EIP << end<span class="Delimiter">();</span> <span id="L410" class="LineNr">410 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L411" class="LineNr">411 </span><span class="Delimiter">}</span> <span id="L412" class="LineNr">412 </span> @@ -547,7 +547,7 @@ if ('onhashchange' in window) { <span id="L484" class="LineNr">484 </span> <span id="L485" class="LineNr">485 </span><span class="Delimiter">:(before "End Mod 0 Special-cases(addr)")</span> <span id="L486" class="LineNr">486 </span><span class="Normal">case</span> <span class="Constant">5</span>: <span class="Comment">// exception: mod 0b00 rm 0b101 => incoming disp32</span> -<span id="L487" class="LineNr">487 </span> addr = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L487" class="LineNr">487 </span> addr = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L488" class="LineNr">488 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"effective address is 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << addr << <span class="Constant">" (disp32)"</span> << end<span class="Delimiter">();</span> <span id="L489" class="LineNr">489 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L490" class="LineNr">490 </span> @@ -622,7 +622,7 @@ if ('onhashchange' in window) { <span id="L559" class="LineNr">559 </span> <span class="Comment">// End Mod 2 Special-cases(addr)</span> <span id="L560" class="LineNr">560 </span> <span class="Delimiter">}</span> <span id="L561" class="LineNr">561 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>addr > <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L562" class="LineNr">562 </span> addr += <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L562" class="LineNr">562 </span> addr += <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L563" class="LineNr">563 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"effective address is 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << addr << <span class="Constant">" (after adding disp32)"</span> << end<span class="Delimiter">();</span> <span id="L564" class="LineNr">564 </span> <span class="Delimiter">}</span> <span id="L565" class="LineNr">565 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> diff --git a/html/subx/015immediate_addressing.cc.html b/html/subx/015immediate_addressing.cc.html index b0c76d04..b2e8a0b1 100644 --- a/html/subx/015immediate_addressing.cc.html +++ b/html/subx/015immediate_addressing.cc.html @@ -83,7 +83,7 @@ if ('onhashchange' in window) { <span id="L20" class="LineNr"> 20 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"combine <a href='037heap.cc.html#L23'>imm32</a> with r/m32"</span> << end<span class="Delimiter">();</span> <span id="L21" class="LineNr"> 21 </span> <span class="Normal">const</span> <span class="Normal">uint8_t</span> modrm = <a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">();</span> <span id="L22" class="LineNr"> 22 </span> <span class="Normal">int32_t</span>* arg1 = <a href='013direct_addressing.cc.html#L31'>effective_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span> -<span id="L23" class="LineNr"> 23 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L23" class="LineNr"> 23 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L24" class="LineNr"> 24 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"imm32 is 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << arg2 << end<span class="Delimiter">();</span> <span id="L25" class="LineNr"> 25 </span> <span class="Normal">const</span> <span class="Normal">uint8_t</span> subop = <span class="Delimiter">(</span>modrm>><span class="Constant">3</span><span class="Delimiter">)</span>&<span class="Constant">0x7</span><span class="Delimiter">;</span> <span class="Comment">// middle 3 'reg opcode' bits</span> <span id="L26" class="LineNr"> 26 </span> <span class="Normal">switch</span> <span class="Delimiter">(</span>subop<span class="Delimiter">)</span> <span class="Delimiter">{</span> @@ -130,7 +130,7 @@ if ('onhashchange' in window) { <span id="L67" class="LineNr"> 67 </span> <span id="L68" class="LineNr"> 68 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> <span id="L69" class="LineNr"> 69 </span><span class="Normal">case</span> <span class="Constant">0x2d</span>: <span class="Delimiter">{</span> <span class="Comment">// subtract imm32 from EAX</span> -<span id="L70" class="LineNr"> 70 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L70" class="LineNr"> 70 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L71" class="LineNr"> 71 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"subtract <a href='037heap.cc.html#L23'>imm32</a> 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << arg2 << <span class="Constant">" from EAX"</span> << end<span class="Delimiter">();</span> <span id="L72" class="LineNr"> 72 </span> <a href='010---vm.cc.html#L91'>BINARY_ARITHMETIC_OP</a><span class="Delimiter">(</span>-<span class="Delimiter">,</span> <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[EAX]<span class="Delimiter">.</span>i<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> <span id="L73" class="LineNr"> 73 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> @@ -339,7 +339,7 @@ if ('onhashchange' in window) { <span id="L276" class="LineNr">276 </span> <span id="L277" class="LineNr">277 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> <span id="L278" class="LineNr">278 </span><span class="Normal">case</span> <span class="Constant">0x25</span>: <span class="Delimiter">{</span> <span class="Comment">// and imm32 with EAX</span> -<span id="L279" class="LineNr">279 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L279" class="LineNr">279 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L280" class="LineNr">280 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"and <a href='037heap.cc.html#L23'>imm32</a> 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << arg2 << <span class="Constant">" with EAX"</span> << end<span class="Delimiter">();</span> <span id="L281" class="LineNr">281 </span> <a href='010---vm.cc.html#L103'>BINARY_BITWISE_OP</a><span class="Delimiter">(</span>&<span class="Delimiter">,</span> <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[EAX]<span class="Delimiter">.</span>i<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> <span id="L282" class="LineNr">282 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> @@ -397,7 +397,7 @@ if ('onhashchange' in window) { <span id="L334" class="LineNr">334 </span> <span id="L335" class="LineNr">335 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> <span id="L336" class="LineNr">336 </span><span class="Normal">case</span> <span class="Constant">0x0d</span>: <span class="Delimiter">{</span> <span class="Comment">// or imm32 with EAX</span> -<span id="L337" class="LineNr">337 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L337" class="LineNr">337 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L338" class="LineNr">338 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"or <a href='037heap.cc.html#L23'>imm32</a> 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << arg2 << <span class="Constant">" with EAX"</span> << end<span class="Delimiter">();</span> <span id="L339" class="LineNr">339 </span> <a href='010---vm.cc.html#L103'>BINARY_BITWISE_OP</a><span class="Delimiter">(</span>|<span class="Delimiter">,</span> <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[EAX]<span class="Delimiter">.</span>i<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> <span id="L340" class="LineNr">340 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> @@ -453,7 +453,7 @@ if ('onhashchange' in window) { <span id="L390" class="LineNr">390 </span> <span id="L391" class="LineNr">391 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> <span id="L392" class="LineNr">392 </span><span class="Normal">case</span> <span class="Constant">0x35</span>: <span class="Delimiter">{</span> <span class="Comment">// xor imm32 with EAX</span> -<span id="L393" class="LineNr">393 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L393" class="LineNr">393 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L394" class="LineNr">394 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"xor <a href='037heap.cc.html#L23'>imm32</a> 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << arg2 << <span class="Constant">" with EAX"</span> << end<span class="Delimiter">();</span> <span id="L395" class="LineNr">395 </span> <a href='010---vm.cc.html#L103'>BINARY_BITWISE_OP</a><span class="Delimiter">(</span>^<span class="Delimiter">,</span> <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[EAX]<span class="Delimiter">.</span>i<span class="Delimiter">,</span> arg2<span class="Delimiter">);</span> <span id="L396" class="LineNr">396 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> @@ -510,7 +510,7 @@ if ('onhashchange' in window) { <span id="L447" class="LineNr">447 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> <span id="L448" class="LineNr">448 </span><span class="Normal">case</span> <span class="Constant">0x3d</span>: <span class="Delimiter">{</span> <span class="Comment">// compare EAX with imm32</span> <span id="L449" class="LineNr">449 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> arg1 = <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[EAX]<span class="Delimiter">.</span>i<span class="Delimiter">;</span> -<span id="L450" class="LineNr">450 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L450" class="LineNr">450 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> arg2 = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L451" class="LineNr">451 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"compare <a href='010---vm.cc.html#L13'>EAX</a> and <a href='037heap.cc.html#L23'>imm32</a> 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << arg2 << end<span class="Delimiter">();</span> <span id="L452" class="LineNr">452 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> tmp1 = arg1 - arg2<span class="Delimiter">;</span> <span id="L453" class="LineNr">453 </span> SF = <span class="Delimiter">(</span>tmp1 < <span class="Constant">0</span><span class="Delimiter">);</span> @@ -652,7 +652,7 @@ if ('onhashchange' in window) { <span id="L589" class="LineNr">589 </span><span class="Normal">case</span> <span class="Constant">0xbe</span>: <span id="L590" class="LineNr">590 </span><span class="Normal">case</span> <span class="Constant">0xbf</span>: <span class="Delimiter">{</span> <span class="Comment">// copy imm32 to r32</span> <span id="L591" class="LineNr">591 </span> <span class="Normal">const</span> <span class="Normal">uint8_t</span> rdest = op & <span class="Constant">0x7</span><span class="Delimiter">;</span> -<span id="L592" class="LineNr">592 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> src = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L592" class="LineNr">592 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> src = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L593" class="LineNr">593 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"copy <a href='037heap.cc.html#L23'>imm32</a> 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << src << <span class="Constant">" to "</span> << <a href='013direct_addressing.cc.html#L63'>rname</a><span class="Delimiter">(</span>rdest<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> <span id="L594" class="LineNr">594 </span> <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[rdest]<span class="Delimiter">.</span>i = src<span class="Delimiter">;</span> <span id="L595" class="LineNr">595 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> @@ -683,7 +683,7 @@ if ('onhashchange' in window) { <span id="L620" class="LineNr">620 </span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> <span id="L621" class="LineNr">621 </span> <span class="Delimiter">}</span> <span id="L622" class="LineNr">622 </span> <span class="Normal">int32_t</span>* dest = <a href='013direct_addressing.cc.html#L31'>effective_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span> -<span id="L623" class="LineNr">623 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> src = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L623" class="LineNr">623 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> src = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L624" class="LineNr">624 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"imm32 is 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << src << end<span class="Delimiter">();</span> <span id="L625" class="LineNr">625 </span> *dest = src<span class="Delimiter">;</span> <span id="L626" class="LineNr">626 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> @@ -705,7 +705,7 @@ if ('onhashchange' in window) { <span id="L642" class="LineNr">642 </span> <span id="L643" class="LineNr">643 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> <span id="L644" class="LineNr">644 </span><span class="Normal">case</span> <span class="Constant">0x68</span>: <span class="Delimiter">{</span> -<span id="L645" class="LineNr">645 </span> <span class="Normal">const</span> <span class="Normal">uint32_t</span> val = <span class="Normal">static_cast</span><<span class="Normal">uint32_t</span>><span class="Delimiter">(</span><a href='011run.cc.html#L343'>next32</a><span class="Delimiter">());</span> +<span id="L645" class="LineNr">645 </span> <span class="Normal">const</span> <span class="Normal">uint32_t</span> val = <span class="Normal">static_cast</span><<span class="Normal">uint32_t</span>><span class="Delimiter">(</span><a href='011run.cc.html#L341'>next32</a><span class="Delimiter">());</span> <span id="L646" class="LineNr">646 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"push <a href='037heap.cc.html#L23'>imm32</a> 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << val << end<span class="Delimiter">();</span> <span id="L647" class="LineNr">647 </span><span class="CommentedCode">//? cerr << "push: " << val << " => " << Reg[ESP].u << '\n';</span> <span id="L648" class="LineNr">648 </span> <a href='012elf.cc.html#L89'>push</a><span class="Delimiter">(</span>val<span class="Delimiter">);</span> diff --git a/html/subx/016index_addressing.cc.html b/html/subx/016index_addressing.cc.html index 64df7366..bce08520 100644 --- a/html/subx/016index_addressing.cc.html +++ b/html/subx/016index_addressing.cc.html @@ -91,7 +91,7 @@ if ('onhashchange' in window) { <span id="L30" class="LineNr"> 30 </span> <span class="Delimiter">}</span> <span id="L31" class="LineNr"> 31 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> <span id="L32" class="LineNr"> 32 </span> <span class="Comment">// base == EBP && mod == 0</span> -<span id="L33" class="LineNr"> 33 </span> addr = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> <span class="Comment">// ignore base</span> +<span id="L33" class="LineNr"> 33 </span> addr = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span class="Comment">// ignore base</span> <span id="L34" class="LineNr"> 34 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"effective address is initially 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << addr << <span class="Constant">" (disp32)"</span> << end<span class="Delimiter">();</span> <span id="L35" class="LineNr"> 35 </span> <span class="Delimiter">}</span> <span id="L36" class="LineNr"> 36 </span> <span class="Normal">const</span> <span class="Normal">uint8_t</span> index = <span class="Delimiter">(</span>sib>><span class="Constant">3</span><span class="Delimiter">)</span>&<span class="Constant">0x7</span><span class="Delimiter">;</span> diff --git a/html/subx/017jump_disp8.cc.html b/html/subx/017jump_disp8.cc.html index 4a6e5732..423d22bc 100644 --- a/html/subx/017jump_disp8.cc.html +++ b/html/subx/017jump_disp8.cc.html @@ -82,7 +82,7 @@ if ('onhashchange' in window) { <span id="L20" class="LineNr"> 20 </span><span class="Normal">case</span> <span class="Constant">0xeb</span>: <span class="Delimiter">{</span> <span class="Comment">// jump rel8</span> <span id="L21" class="LineNr"> 21 </span> <span class="Normal">int8_t</span> offset = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">());</span> <span id="L22" class="LineNr"> 22 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>offset<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L23" class="LineNr"> 23 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L23" class="LineNr"> 23 </span> EIP += offset<span class="Delimiter">;</span> <span id="L24" class="LineNr"> 24 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L25" class="LineNr"> 25 </span><span class="Delimiter">}</span> <span id="L26" class="LineNr"> 26 </span> @@ -108,7 +108,7 @@ if ('onhashchange' in window) { <span id="L46" class="LineNr"> 46 </span> <span class="Normal">const</span> <span class="Normal">int8_t</span> offset = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">());</span> <span id="L47" class="LineNr"> 47 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>ZF<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L48" class="LineNr"> 48 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>offset<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L49" class="LineNr"> 49 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L49" class="LineNr"> 49 </span> EIP += offset<span class="Delimiter">;</span> <span id="L50" class="LineNr"> 50 </span> <span class="Delimiter">}</span> <span id="L51" class="LineNr"> 51 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L52" class="LineNr"> 52 </span><span class="Delimiter">}</span> @@ -147,7 +147,7 @@ if ('onhashchange' in window) { <span id="L85" class="LineNr"> 85 </span> <span class="Normal">const</span> <span class="Normal">int8_t</span> offset = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">());</span> <span id="L86" class="LineNr"> 86 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!ZF<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L87" class="LineNr"> 87 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>offset<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L88" class="LineNr"> 88 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L88" class="LineNr"> 88 </span> EIP += offset<span class="Delimiter">;</span> <span id="L89" class="LineNr"> 89 </span> <span class="Delimiter">}</span> <span id="L90" class="LineNr"> 90 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L91" class="LineNr"> 91 </span><span class="Delimiter">}</span> @@ -188,7 +188,7 @@ if ('onhashchange' in window) { <span id="L126" class="LineNr">126 </span> <span class="Normal">const</span> <span class="Normal">int8_t</span> offset = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">());</span> <span id="L127" class="LineNr">127 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!ZF && SF == <a href='010---vm.cc.html#L81'>OF</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L128" class="LineNr">128 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>offset<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L129" class="LineNr">129 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L129" class="LineNr">129 </span> EIP += offset<span class="Delimiter">;</span> <span id="L130" class="LineNr">130 </span> <span class="Delimiter">}</span> <span id="L131" class="LineNr">131 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L132" class="LineNr">132 </span><span class="Delimiter">}</span> @@ -230,7 +230,7 @@ if ('onhashchange' in window) { <span id="L168" class="LineNr">168 </span> <span class="Normal">const</span> <span class="Normal">int8_t</span> offset = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">());</span> <span id="L169" class="LineNr">169 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>SF == <a href='010---vm.cc.html#L81'>OF</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L170" class="LineNr">170 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>offset<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L171" class="LineNr">171 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L171" class="LineNr">171 </span> EIP += offset<span class="Delimiter">;</span> <span id="L172" class="LineNr">172 </span> <span class="Delimiter">}</span> <span id="L173" class="LineNr">173 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L174" class="LineNr">174 </span><span class="Delimiter">}</span> @@ -272,7 +272,7 @@ if ('onhashchange' in window) { <span id="L210" class="LineNr">210 </span> <span class="Normal">const</span> <span class="Normal">int8_t</span> offset = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">());</span> <span id="L211" class="LineNr">211 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>SF != <a href='010---vm.cc.html#L81'>OF</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L212" class="LineNr">212 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>offset<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L213" class="LineNr">213 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L213" class="LineNr">213 </span> EIP += offset<span class="Delimiter">;</span> <span id="L214" class="LineNr">214 </span> <span class="Delimiter">}</span> <span id="L215" class="LineNr">215 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L216" class="LineNr">216 </span><span class="Delimiter">}</span> @@ -329,7 +329,7 @@ if ('onhashchange' in window) { <span id="L267" class="LineNr">267 </span> <span class="Normal">const</span> <span class="Normal">int8_t</span> offset = <span class="Normal">static_cast</span><<span class="Normal">int</span>><span class="Delimiter">(</span><a href='010---vm.cc.html#L364'>next</a><span class="Delimiter">());</span> <span id="L268" class="LineNr">268 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>ZF || SF != <a href='010---vm.cc.html#L81'>OF</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L269" class="LineNr">269 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>offset<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L270" class="LineNr">270 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L270" class="LineNr">270 </span> EIP += offset<span class="Delimiter">;</span> <span id="L271" class="LineNr">271 </span> <span class="Delimiter">}</span> <span id="L272" class="LineNr">272 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L273" class="LineNr">273 </span><span class="Delimiter">}</span> diff --git a/html/subx/018jump_disp32.cc.html b/html/subx/018jump_disp32.cc.html index 54b16f4a..d2705813 100644 --- a/html/subx/018jump_disp32.cc.html +++ b/html/subx/018jump_disp32.cc.html @@ -80,9 +80,9 @@ if ('onhashchange' in window) { <span id="L18" class="LineNr"> 18 </span> <span id="L19" class="LineNr"> 19 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> <span id="L20" class="LineNr"> 20 </span><span class="Normal">case</span> <span class="Constant">0xe9</span>: <span class="Delimiter">{</span> <span class="Comment">// jump disp32</span> -<span id="L21" class="LineNr"> 21 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L21" class="LineNr"> 21 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L22" class="LineNr"> 22 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << offset << end<span class="Delimiter">();</span> -<span id="L23" class="LineNr"> 23 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L23" class="LineNr"> 23 </span> EIP += offset<span class="Delimiter">;</span> <span id="L24" class="LineNr"> 24 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L25" class="LineNr"> 25 </span><span class="Delimiter">}</span> <span id="L26" class="LineNr"> 26 </span> @@ -105,10 +105,10 @@ if ('onhashchange' in window) { <span id="L43" class="LineNr"> 43 </span> <span id="L44" class="LineNr"> 44 </span><span class="Delimiter">:(before "End Two-Byte Opcodes Starting With 0f")</span> <span id="L45" class="LineNr"> 45 </span><span class="Normal">case</span> <span class="Constant">0x84</span>: <span class="Delimiter">{</span> <span class="Comment">// jump disp32 if ZF</span> -<span id="L46" class="LineNr"> 46 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L46" class="LineNr"> 46 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L47" class="LineNr"> 47 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>ZF<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L48" class="LineNr"> 48 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>offset<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L49" class="LineNr"> 49 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L49" class="LineNr"> 49 </span> EIP += offset<span class="Delimiter">;</span> <span id="L50" class="LineNr"> 50 </span> <span class="Delimiter">}</span> <span id="L51" class="LineNr"> 51 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L52" class="LineNr"> 52 </span><span class="Delimiter">}</span> @@ -144,10 +144,10 @@ if ('onhashchange' in window) { <span id="L82" class="LineNr"> 82 </span> <span id="L83" class="LineNr"> 83 </span><span class="Delimiter">:(before "End Two-Byte Opcodes Starting With 0f")</span> <span id="L84" class="LineNr"> 84 </span><span class="Normal">case</span> <span class="Constant">0x85</span>: <span class="Delimiter">{</span> <span class="Comment">// jump disp32 unless ZF</span> -<span id="L85" class="LineNr"> 85 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L85" class="LineNr"> 85 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L86" class="LineNr"> 86 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!ZF<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L87" class="LineNr"> 87 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>offset<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L88" class="LineNr"> 88 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L88" class="LineNr"> 88 </span> EIP += offset<span class="Delimiter">;</span> <span id="L89" class="LineNr"> 89 </span> <span class="Delimiter">}</span> <span id="L90" class="LineNr"> 90 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L91" class="LineNr"> 91 </span><span class="Delimiter">}</span> @@ -185,10 +185,10 @@ if ('onhashchange' in window) { <span id="L123" class="LineNr">123 </span> <span id="L124" class="LineNr">124 </span><span class="Delimiter">:(before "End Two-Byte Opcodes Starting With 0f")</span> <span id="L125" class="LineNr">125 </span><span class="Normal">case</span> <span class="Constant">0x8f</span>: <span class="Delimiter">{</span> <span class="Comment">// jump disp32 if !SF and !ZF</span> -<span id="L126" class="LineNr">126 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L126" class="LineNr">126 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L127" class="LineNr">127 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!ZF && SF == <a href='010---vm.cc.html#L81'>OF</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L128" class="LineNr">128 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>offset<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L129" class="LineNr">129 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L129" class="LineNr">129 </span> EIP += offset<span class="Delimiter">;</span> <span id="L130" class="LineNr">130 </span> <span class="Delimiter">}</span> <span id="L131" class="LineNr">131 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L132" class="LineNr">132 </span><span class="Delimiter">}</span> @@ -227,10 +227,10 @@ if ('onhashchange' in window) { <span id="L165" class="LineNr">165 </span> <span id="L166" class="LineNr">166 </span><span class="Delimiter">:(before "End Two-Byte Opcodes Starting With 0f")</span> <span id="L167" class="LineNr">167 </span><span class="Normal">case</span> <span class="Constant">0x8d</span>: <span class="Delimiter">{</span> <span class="Comment">// jump disp32 if !SF</span> -<span id="L168" class="LineNr">168 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L168" class="LineNr">168 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L169" class="LineNr">169 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>SF == <a href='010---vm.cc.html#L81'>OF</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L170" class="LineNr">170 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>offset<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L171" class="LineNr">171 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L171" class="LineNr">171 </span> EIP += offset<span class="Delimiter">;</span> <span id="L172" class="LineNr">172 </span> <span class="Delimiter">}</span> <span id="L173" class="LineNr">173 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L174" class="LineNr">174 </span><span class="Delimiter">}</span> @@ -269,10 +269,10 @@ if ('onhashchange' in window) { <span id="L207" class="LineNr">207 </span> <span id="L208" class="LineNr">208 </span><span class="Delimiter">:(before "End Two-Byte Opcodes Starting With 0f")</span> <span id="L209" class="LineNr">209 </span><span class="Normal">case</span> <span class="Constant">0x8c</span>: <span class="Delimiter">{</span> <span class="Comment">// jump disp32 if SF and !ZF</span> -<span id="L210" class="LineNr">210 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L210" class="LineNr">210 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L211" class="LineNr">211 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>SF != <a href='010---vm.cc.html#L81'>OF</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L212" class="LineNr">212 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>offset<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L213" class="LineNr">213 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L213" class="LineNr">213 </span> EIP += offset<span class="Delimiter">;</span> <span id="L214" class="LineNr">214 </span> <span class="Delimiter">}</span> <span id="L215" class="LineNr">215 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L216" class="LineNr">216 </span><span class="Delimiter">}</span> @@ -326,10 +326,10 @@ if ('onhashchange' in window) { <span id="L264" class="LineNr">264 </span> <span id="L265" class="LineNr">265 </span><span class="Delimiter">:(before "End Two-Byte Opcodes Starting With 0f")</span> <span id="L266" class="LineNr">266 </span><span class="Normal">case</span> <span class="Constant">0x8e</span>: <span class="Delimiter">{</span> <span class="Comment">// jump disp32 if SF or ZF</span> -<span id="L267" class="LineNr">267 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L267" class="LineNr">267 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L268" class="LineNr">268 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>ZF || SF != <a href='010---vm.cc.html#L81'>OF</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L269" class="LineNr">269 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump "</span> << <a href='010---vm.cc.html#L415'>NUM</a><span class="Delimiter">(</span>offset<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L270" class="LineNr">270 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> +<span id="L270" class="LineNr">270 </span> EIP += offset<span class="Delimiter">;</span> <span id="L271" class="LineNr">271 </span> <span class="Delimiter">}</span> <span id="L272" class="LineNr">272 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L273" class="LineNr">273 </span><span class="Delimiter">}</span> diff --git a/html/subx/019functions.cc.html b/html/subx/019functions.cc.html index b8d3113f..ef8f791b 100644 --- a/html/subx/019functions.cc.html +++ b/html/subx/019functions.cc.html @@ -78,12 +78,12 @@ if ('onhashchange' in window) { <span id="L16" class="LineNr">16 </span> <span id="L17" class="LineNr">17 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> <span id="L18" class="LineNr">18 </span><span class="Normal">case</span> <span class="Constant">0xe8</span>: <span class="Delimiter">{</span> <span class="Comment">// call disp32 relative to next EIP</span> -<span id="L19" class="LineNr">19 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L343'>next32</a><span class="Delimiter">();</span> +<span id="L19" class="LineNr">19 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> offset = <a href='011run.cc.html#L341'>next32</a><span class="Delimiter">();</span> <span id="L20" class="LineNr">20 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"call <a href='037heap.cc.html#L23'>imm32</a> 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << offset << end<span class="Delimiter">();</span> <span id="L21" class="LineNr">21 </span><span class="CommentedCode">//? cerr << "push: EIP: " << EIP << " => " << Reg[ESP].u << '\n';</span> -<span id="L22" class="LineNr">22 </span> <a href='012elf.cc.html#L89'>push</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L29'>EIP</a><span class="Delimiter">);</span> -<span id="L23" class="LineNr">23 </span> <a href='010---vm.cc.html#L29'>EIP</a> += offset<span class="Delimiter">;</span> -<span id="L24" class="LineNr">24 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jumping to 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << <a href='010---vm.cc.html#L29'>EIP</a> << end<span class="Delimiter">();</span> +<span id="L22" class="LineNr">22 </span> <a href='012elf.cc.html#L89'>push</a><span class="Delimiter">(</span>EIP<span class="Delimiter">);</span> +<span id="L23" class="LineNr">23 </span> EIP += offset<span class="Delimiter">;</span> +<span id="L24" class="LineNr">24 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jumping to 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << EIP << end<span class="Delimiter">();</span> <span id="L25" class="LineNr">25 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L26" class="LineNr">26 </span><span class="Delimiter">}</span> <span id="L27" class="LineNr">27 </span> @@ -106,9 +106,9 @@ if ('onhashchange' in window) { <span id="L44" class="LineNr">44 </span><span class="Normal">case</span> <span class="Constant">2</span>: <span class="Delimiter">{</span> <span class="Comment">// call function pointer at r/m32</span> <span id="L45" class="LineNr">45 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"call to r/m32"</span> << end<span class="Delimiter">();</span> <span id="L46" class="LineNr">46 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span>* offset = <a href='013direct_addressing.cc.html#L31'>effective_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span> -<span id="L47" class="LineNr">47 </span> <a href='012elf.cc.html#L89'>push</a><span class="Delimiter">(</span><a href='010---vm.cc.html#L29'>EIP</a><span class="Delimiter">);</span> -<span id="L48" class="LineNr">48 </span> <a href='010---vm.cc.html#L29'>EIP</a> += *offset<span class="Delimiter">;</span> -<span id="L49" class="LineNr">49 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jumping to 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << <a href='010---vm.cc.html#L29'>EIP</a> << end<span class="Delimiter">();</span> +<span id="L47" class="LineNr">47 </span> <a href='012elf.cc.html#L89'>push</a><span class="Delimiter">(</span>EIP<span class="Delimiter">);</span> +<span id="L48" class="LineNr">48 </span> EIP += *offset<span class="Delimiter">;</span> +<span id="L49" class="LineNr">49 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jumping to 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << EIP << end<span class="Delimiter">();</span> <span id="L50" class="LineNr">50 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L51" class="LineNr">51 </span><span class="Delimiter">}</span> <span id="L52" class="LineNr">52 </span> @@ -146,8 +146,8 @@ if ('onhashchange' in window) { <span id="L84" class="LineNr">84 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span> <span id="L85" class="LineNr">85 </span><span class="Normal">case</span> <span class="Constant">0xc3</span>: <span class="Delimiter">{</span> <span class="Comment">// return from a call</span> <span id="L86" class="LineNr">86 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"return"</span> << end<span class="Delimiter">();</span> -<span id="L87" class="LineNr">87 </span> <a href='010---vm.cc.html#L29'>EIP</a> = <a href='013direct_addressing.cc.html#L789'>pop</a><span class="Delimiter">();</span> -<span id="L88" class="LineNr">88 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jumping to 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << <a href='010---vm.cc.html#L29'>EIP</a> << end<span class="Delimiter">();</span> +<span id="L87" class="LineNr">87 </span> EIP = <a href='013direct_addressing.cc.html#L789'>pop</a><span class="Delimiter">();</span> +<span id="L88" class="LineNr">88 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jumping to 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << EIP << end<span class="Delimiter">();</span> <span id="L89" class="LineNr">89 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L90" class="LineNr">90 </span><span class="Delimiter">}</span> </pre> diff --git a/html/subx/020syscalls.cc.html b/html/subx/020syscalls.cc.html index 5074e528..6da85f80 100644 --- a/html/subx/020syscalls.cc.html +++ b/html/subx/020syscalls.cc.html @@ -144,7 +144,7 @@ if ('onhashchange' in window) { <span id="L84" class="LineNr"> 84 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">91</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"result: "</span> << <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[EAX]<span class="Delimiter">.</span>u << end<span class="Delimiter">();</span> <span id="L85" class="LineNr"> 85 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L86" class="LineNr"> 86 </span> <span class="Normal">default</span>: -<span id="L87" class="LineNr"> 87 </span> <a href='003trace.cc.html#L190'>raise</a> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << <a href='010---vm.cc.html#L29'>EIP</a> << <span class="Constant">": unimplemented syscall "</span> << <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[EAX]<span class="Delimiter">.</span>u << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> +<span id="L87" class="LineNr"> 87 </span> <a href='003trace.cc.html#L190'>raise</a> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << EIP << <span class="Constant">": unimplemented syscall "</span> << <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[EAX]<span class="Delimiter">.</span>u << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> <span id="L88" class="LineNr"> 88 </span> <span class="Delimiter">}</span> <span id="L89" class="LineNr"> 89 </span><span class="Delimiter">}</span> <span id="L90" class="LineNr"> 90 </span> @@ -153,7 +153,7 @@ if ('onhashchange' in window) { <span id="L93" class="LineNr"> 93 </span><span class="Normal">void</span> <a href='020syscalls.cc.html#L93'>check_flags</a><span class="Delimiter">(</span><span class="Normal">int</span> <a href='010---vm.cc.html#L23'>reg</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L94" class="LineNr"> 94 </span> <span class="Normal">uint32_t</span> flags = <span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[reg]<span class="Delimiter">.</span>u<span class="Delimiter">;</span> <span id="L95" class="LineNr"> 95 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>flags != <span class="Delimiter">((</span>flags & O_RDONLY<span class="Delimiter">)</span> | <span class="Delimiter">(</span>flags & O_WRONLY<span class="Delimiter">)))</span> <span class="Delimiter">{</span> -<span id="L96" class="LineNr"> 96 </span> cerr << <a href='010---vm.cc.html#L413'>HEXWORD</a> << <a href='010---vm.cc.html#L29'>EIP</a> << <span class="Constant">": most POSIX flags to the open() syscall are not supported. Just O_RDONLY and O_WRONLY for now. Zero concurrent access support.\n"</span><span class="Delimiter">;</span> +<span id="L96" class="LineNr"> 96 </span> cerr << <a href='010---vm.cc.html#L413'>HEXWORD</a> << EIP << <span class="Constant">": most POSIX flags to the open() syscall are not supported. Just O_RDONLY and O_WRONLY for now. Zero concurrent access support.\n"</span><span class="Delimiter">;</span> <span id="L97" class="LineNr"> 97 </span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> <span id="L98" class="LineNr"> 98 </span> <span class="Delimiter">}</span> <span id="L99" class="LineNr"> 99 </span> <span class="Normal">if</span> <span class="Delimiter">((</span>flags & O_RDONLY<span class="Delimiter">)</span> && <span class="Delimiter">(</span>flags & O_WRONLY<span class="Delimiter">))</span> <span class="Delimiter">{</span> @@ -164,7 +164,7 @@ if ('onhashchange' in window) { <span id="L104" class="LineNr">104 </span> <span id="L105" class="LineNr">105 </span><span class="Normal">void</span> <a href='020syscalls.cc.html#L105'>check_mode</a><span class="Delimiter">(</span><span class="Normal">int</span> <a href='010---vm.cc.html#L23'>reg</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L106" class="LineNr">106 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='010---vm.cc.html#L28'>Reg</a></span>[reg]<span class="Delimiter">.</span>u != <span class="PreProc">0</span><span class="Constant">600</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L107" class="LineNr">107 </span> cerr << <a href='010---vm.cc.html#L413'>HEXWORD</a> << <a href='010---vm.cc.html#L29'>EIP</a> << <span class="Constant">": SubX is oblivious to file permissions; register "</span> << <a href='010---vm.cc.html#L23'>reg</a> << <span class="Constant">" must be 0.\n"</span><span class="Delimiter">;</span> +<span id="L107" class="LineNr">107 </span> cerr << <a href='010---vm.cc.html#L413'>HEXWORD</a> << EIP << <span class="Constant">": SubX is oblivious to file permissions; register "</span> << <a href='010---vm.cc.html#L23'>reg</a> << <span class="Constant">" must be 0.\n"</span><span class="Delimiter">;</span> <span id="L108" class="LineNr">108 </span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> <span id="L109" class="LineNr">109 </span> <span class="Delimiter">}</span> <span id="L110" class="LineNr">110 </span><span class="Delimiter">}</span> diff --git a/html/subx/028translate.cc.html b/html/subx/028translate.cc.html index d3ac6c96..1de0451c 100644 --- a/html/subx/028translate.cc.html +++ b/html/subx/028translate.cc.html @@ -81,7 +81,7 @@ if ('onhashchange' in window) { <span id="L21" class="LineNr"> 21 </span> <a href='003trace.cc.html#L228'>START_TRACING_UNTIL_END_OF_SCOPE</a><span class="Delimiter">;</span> <span id="L22" class="LineNr"> 22 </span> <a href='000organization.cc.html#L148'>reset</a><span class="Delimiter">();</span> <span id="L23" class="LineNr"> 23 </span> <span class="Comment">// Begin subx translate</span> -<span id="L24" class="LineNr"> 24 </span> <a href='011run.cc.html#L99'>program</a> p<span class="Delimiter">;</span> +<span id="L24" class="LineNr"> 24 </span> <a href='011run.cc.html#L95'>program</a> p<span class="Delimiter">;</span> <span id="L25" class="LineNr"> 25 </span> string output_filename<span class="Delimiter">;</span> <span id="L26" class="LineNr"> 26 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip 'subx translate'</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">;</span> i < argc<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L27" class="LineNr"> 27 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L98'>is_equal</a><span class="Delimiter">(</span>argv[i]<span class="Delimiter">,</span> <span class="Constant">"-o"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> @@ -103,7 +103,7 @@ if ('onhashchange' in window) { <span id="L43" class="LineNr"> 43 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">1</span><span class="Delimiter">;</span> <span id="L44" class="LineNr"> 44 </span> <span class="Delimiter">}</span> <span id="L45" class="LineNr"> 45 </span> <span class="Delimiter">}</span> -<span id="L46" class="LineNr"> 46 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> +<span id="L46" class="LineNr"> 46 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> <span id="L47" class="LineNr"> 47 </span> <a href='028translate.cc.html#L68'>print_translate_usage</a><span class="Delimiter">();</span> <span id="L48" class="LineNr"> 48 </span> cerr << <span class="Constant">"nothing to do; must provide at least one file to read\n"</span><span class="Delimiter">;</span> <span id="L49" class="LineNr"> 49 </span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> @@ -113,7 +113,7 @@ if ('onhashchange' in window) { <span id="L53" class="LineNr"> 53 </span> cerr << <span class="Constant">"must provide a filename to write to using '-o'\n"</span><span class="Delimiter">;</span> <span id="L54" class="LineNr"> 54 </span> exit<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">);</span> <span id="L55" class="LineNr"> 55 </span> <span class="Delimiter">}</span> -<span id="L56" class="LineNr"> 56 </span> <a href='011run.cc.html#L231'>transform</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> +<span id="L56" class="LineNr"> 56 </span> <a href='011run.cc.html#L228'>transform</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> <span id="L57" class="LineNr"> 57 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span> <span class="Constant">1</span><span class="Delimiter">;</span> <span id="L58" class="LineNr"> 58 </span> <a href='028translate.cc.html#L73'>save_elf</a><span class="Delimiter">(</span>p<span class="Delimiter">,</span> output_filename<span class="Delimiter">);</span> <span id="L59" class="LineNr"> 59 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Delimiter">{</span> @@ -133,8 +133,8 @@ if ('onhashchange' in window) { <span id="L73" class="LineNr"> 73 </span><span class="Normal">void</span> <a href='028translate.cc.html#L73'>save_elf</a><span class="Delimiter">(</span><span class="Normal">const</span> program& p<span class="Delimiter">,</span> <span class="Normal">const</span> string& filename<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L74" class="LineNr"> 74 </span> ofstream out<span class="Delimiter">(</span>filename<span class="Delimiter">.</span>c_str<span class="Delimiter">(),</span> ios::binary<span class="Delimiter">);</span> <span id="L75" class="LineNr"> 75 </span> <a href='028translate.cc.html#L81'>write_elf_header</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> p<span class="Delimiter">);</span> -<span id="L76" class="LineNr"> 76 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">size_t</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>size<span class="Delimiter">();</span> ++i<span class="Delimiter">)</span> -<span id="L77" class="LineNr"> 77 </span> <a href='028translate.cc.html#L175'>write_segment</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> out<span class="Delimiter">);</span> +<span id="L76" class="LineNr"> 76 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">size_t</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>size<span class="Delimiter">();</span> ++i<span class="Delimiter">)</span> +<span id="L77" class="LineNr"> 77 </span> <a href='028translate.cc.html#L176'>write_segment</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> out<span class="Delimiter">);</span> <span id="L78" class="LineNr"> 78 </span> out<span class="Delimiter">.</span>close<span class="Delimiter">();</span> <span id="L79" class="LineNr"> 79 </span><span class="Delimiter">}</span> <span id="L80" class="LineNr"> 80 </span> @@ -157,100 +157,101 @@ if ('onhashchange' in window) { <span id="L97" class="LineNr"> 97 </span> <span class="Comment">// e_version</span> <span id="L98" class="LineNr"> 98 </span> <span class="Special">O</span><span class="Delimiter">(</span><span class="Constant">0x01</span><span class="Delimiter">);</span> <span class="Special">O</span><span class="Delimiter">(</span><span class="Constant">0x00</span><span class="Delimiter">);</span> <span class="Special">O</span><span class="Delimiter">(</span><span class="Constant">0x00</span><span class="Delimiter">);</span> <span class="Special">O</span><span class="Delimiter">(</span><span class="Constant">0x00</span><span class="Delimiter">);</span> <span id="L99" class="LineNr"> 99 </span> <span class="Comment">// e_entry</span> -<span id="L100" class="LineNr">100 </span> <span class="Normal">int</span> e_entry = p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>start<span class="Delimiter">;</span> <span class="Comment">// convention</span> -<span id="L101" class="LineNr">101 </span> emit<span class="Delimiter">(</span>e_entry<span class="Delimiter">);</span> -<span id="L102" class="LineNr">102 </span> <span class="Comment">// e_phoff -- immediately after ELF header</span> -<span id="L103" class="LineNr">103 </span> <span class="Normal">int</span> e_phoff = <span class="Constant">0x34</span><span class="Delimiter">;</span> -<span id="L104" class="LineNr">104 </span> emit<span class="Delimiter">(</span>e_phoff<span class="Delimiter">);</span> -<span id="L105" class="LineNr">105 </span> <span class="Comment">// e_shoff; unused</span> -<span id="L106" class="LineNr">106 </span> <span class="Normal">int</span> dummy32 = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L107" class="LineNr">107 </span> emit<span class="Delimiter">(</span>dummy32<span class="Delimiter">);</span> -<span id="L108" class="LineNr">108 </span> <span class="Comment">// e_flags; unused</span> -<span id="L109" class="LineNr">109 </span> emit<span class="Delimiter">(</span>dummy32<span class="Delimiter">);</span> -<span id="L110" class="LineNr">110 </span> <span class="Comment">// e_ehsize</span> -<span id="L111" class="LineNr">111 </span> <span class="Normal">uint16_t</span> e_ehsize = <span class="Constant">0x34</span><span class="Delimiter">;</span> -<span id="L112" class="LineNr">112 </span> emit<span class="Delimiter">(</span>e_ehsize<span class="Delimiter">);</span> -<span id="L113" class="LineNr">113 </span> <span class="Comment">// e_phentsize</span> -<span id="L114" class="LineNr">114 </span> <span class="Normal">uint16_t</span> e_phentsize = <span class="Constant">0x20</span><span class="Delimiter">;</span> -<span id="L115" class="LineNr">115 </span> emit<span class="Delimiter">(</span>e_phentsize<span class="Delimiter">);</span> -<span id="L116" class="LineNr">116 </span> <span class="Comment">// e_phnum</span> -<span id="L117" class="LineNr">117 </span> <span class="Normal">uint16_t</span> e_phnum = <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">);</span> -<span id="L118" class="LineNr">118 </span> emit<span class="Delimiter">(</span>e_phnum<span class="Delimiter">);</span> -<span id="L119" class="LineNr">119 </span> <span class="Comment">// e_shentsize</span> -<span id="L120" class="LineNr">120 </span> <span class="Normal">uint16_t</span> dummy16 = <span class="Constant">0x0</span><span class="Delimiter">;</span> -<span id="L121" class="LineNr">121 </span> emit<span class="Delimiter">(</span>dummy16<span class="Delimiter">);</span> -<span id="L122" class="LineNr">122 </span> <span class="Comment">// e_shnum</span> -<span id="L123" class="LineNr">123 </span> emit<span class="Delimiter">(</span>dummy16<span class="Delimiter">);</span> -<span id="L124" class="LineNr">124 </span> <span class="Comment">// e_shstrndx</span> -<span id="L125" class="LineNr">125 </span> emit<span class="Delimiter">(</span>dummy16<span class="Delimiter">);</span> -<span id="L126" class="LineNr">126 </span> -<span id="L127" class="LineNr">127 </span> <span class="Normal">uint32_t</span> p_offset = <span class="Comment">/*</span><span class="Comment">size of ehdr</span><span class="Comment">*/</span><span class="Constant">0x34</span> + <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">)</span>*<span class="Constant">0x20</span><span class="Comment">/*</span><span class="Comment">size of each phdr</span><span class="Comment">*/</span><span class="Delimiter">;</span> -<span id="L128" class="LineNr">128 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L129" class="LineNr">129 </span> <span class="SalientComment">//// phdr</span> -<span id="L130" class="LineNr">130 </span> <span class="Comment">// p_type</span> -<span id="L131" class="LineNr">131 </span> <span class="Normal">uint32_t</span> p_type = <span class="Constant">0x1</span><span class="Delimiter">;</span> -<span id="L132" class="LineNr">132 </span> emit<span class="Delimiter">(</span>p_type<span class="Delimiter">);</span> -<span id="L133" class="LineNr">133 </span> <span class="Comment">// p_offset</span> -<span id="L134" class="LineNr">134 </span> emit<span class="Delimiter">(</span>p_offset<span class="Delimiter">);</span> -<span id="L135" class="LineNr">135 </span> <span class="Comment">// p_vaddr</span> -<span id="L136" class="LineNr">136 </span> <span class="Normal">uint32_t</span> p_start = p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>start<span class="Delimiter">;</span> -<span id="L137" class="LineNr">137 </span> emit<span class="Delimiter">(</span>p_start<span class="Delimiter">);</span> -<span id="L138" class="LineNr">138 </span> <span class="Comment">// p_paddr</span> -<span id="L139" class="LineNr">139 </span> emit<span class="Delimiter">(</span>p_start<span class="Delimiter">);</span> -<span id="L140" class="LineNr">140 </span> <span class="Comment">// p_filesz</span> -<span id="L141" class="LineNr">141 </span> <span class="Normal">uint32_t</span> size = <a href='028translate.cc.html#L185'>num_words</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> -<span id="L142" class="LineNr">142 </span> assert<span class="Delimiter">(</span>p_offset + size < <a href='010---vm.cc.html#L115'>SEGMENT_ALIGNMENT</a><span class="Delimiter">);</span> -<span id="L143" class="LineNr">143 </span> emit<span class="Delimiter">(</span>size<span class="Delimiter">);</span> -<span id="L144" class="LineNr">144 </span> <span class="Comment">// p_memsz</span> -<span id="L145" class="LineNr">145 </span> emit<span class="Delimiter">(</span>size<span class="Delimiter">);</span> -<span id="L146" class="LineNr">146 </span> <span class="Comment">// p_flags</span> -<span id="L147" class="LineNr">147 </span> <span class="Normal">uint32_t</span> p_flags = <span class="Delimiter">(</span>i == <span class="Constant">0</span><span class="Delimiter">)</span> ? <span class="Comment">/*</span><span class="Comment">r-x</span><span class="Comment">*/</span><span class="Constant">0x5</span> : <span class="Comment">/*</span><span class="Comment">rw-</span><span class="Comment">*/</span><span class="Constant">0x6</span><span class="Delimiter">;</span> <span class="Comment">// convention: only first segment is code</span> -<span id="L148" class="LineNr">148 </span> emit<span class="Delimiter">(</span>p_flags<span class="Delimiter">);</span> -<span id="L149" class="LineNr">149 </span> -<span id="L150" class="LineNr">150 </span> <span class="Comment">// p_align</span> -<span id="L151" class="LineNr">151 </span> <span class="Comment">// "As the system creates or augments a process image, it logically copies</span> -<span id="L152" class="LineNr">152 </span> <span class="Comment">// a file's segment to a virtual memory segment. When—and if— the system</span> -<span id="L153" class="LineNr">153 </span> <span class="Comment">// physically reads the file depends on the program's execution behavior,</span> -<span id="L154" class="LineNr">154 </span> <span class="Comment">// system load, and so on. A process does not require a physical page</span> -<span id="L155" class="LineNr">155 </span> <span class="Comment">// unless it references the logical page during execution, and processes</span> -<span id="L156" class="LineNr">156 </span> <span class="Comment">// commonly leave many pages unreferenced. Therefore delaying physical</span> -<span id="L157" class="LineNr">157 </span> <span class="Comment">// reads frequently obviates them, improving system performance. To obtain</span> -<span id="L158" class="LineNr">158 </span> <span class="Comment">// this efficiency in practice, executable and shared object files must</span> -<span id="L159" class="LineNr">159 </span> <span class="Comment">// have segment images whose file offsets and virtual addresses are</span> -<span id="L160" class="LineNr">160 </span> <span class="Comment">// congruent, modulo the page size." -- <a href="http://refspecs.linuxbase.org/elf/elf.pdf">http://refspecs.linuxbase.org/elf/elf.pdf</a> (page 95)</span> -<span id="L161" class="LineNr">161 </span> <span class="Normal">uint32_t</span> p_align = <span class="Constant">0x1000</span><span class="Delimiter">;</span> <span class="Comment">// default page size on linux</span> -<span id="L162" class="LineNr">162 </span> emit<span class="Delimiter">(</span>p_align<span class="Delimiter">);</span> -<span id="L163" class="LineNr">163 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p_offset % p_align != p_start % p_align<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L164" class="LineNr">164 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"segment starting at 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << p_start << <span class="Constant">" is improperly aligned; alignment for p_offset "</span> << p_offset << <span class="Constant">" should be "</span> << <span class="Delimiter">(</span>p_offset % p_align<span class="Delimiter">)</span> << <span class="Constant">" but is "</span> << <span class="Delimiter">(</span>p_start % p_align<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> -<span id="L165" class="LineNr">165 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L166" class="LineNr">166 </span> <span class="Delimiter">}</span> -<span id="L167" class="LineNr">167 </span> -<span id="L168" class="LineNr">168 </span> <span class="Comment">// prepare for next segment</span> -<span id="L169" class="LineNr">169 </span> p_offset += size<span class="Delimiter">;</span> -<span id="L170" class="LineNr">170 </span> <span class="Delimiter">}</span> -<span id="L171" class="LineNr">171 </span><span class="Comment">#undef O</span> -<span id="L172" class="LineNr">172 </span><span class="Comment">#undef emit</span> -<span id="L173" class="LineNr">173 </span><span class="Delimiter">}</span> -<span id="L174" class="LineNr">174 </span> -<span id="L175" class="LineNr">175 </span><span class="Normal">void</span> <a href='028translate.cc.html#L175'>write_segment</a><span class="Delimiter">(</span><span class="Normal">const</span> segment& s<span class="Delimiter">,</span> ostream& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L176" class="LineNr">176 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L177" class="LineNr">177 </span> <span class="Normal">const</span> vector<word>& w = s<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">;</span> -<span id="L178" class="LineNr">178 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>w<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L179" class="LineNr">179 </span> <span class="Normal">uint8_t</span> x = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">).</span>data<span class="Delimiter">);</span> <span class="Comment">// we're done with metadata by this point</span> -<span id="L180" class="LineNr">180 </span> out<span class="Delimiter">.</span>write<span class="Delimiter">(</span><span class="Normal">reinterpret_cast</span><<span class="Normal">const</span> <span class="Normal">char</span>*><span class="Delimiter">(</span>&x<span class="Delimiter">),</span> <span class="Comment">/*</span><span class="Comment">sizeof(byte)</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span> -<span id="L181" class="LineNr">181 </span> <span class="Delimiter">}</span> -<span id="L182" class="LineNr">182 </span> <span class="Delimiter">}</span> -<span id="L183" class="LineNr">183 </span><span class="Delimiter">}</span> -<span id="L184" class="LineNr">184 </span> -<span id="L185" class="LineNr">185 </span><span class="Normal">uint32_t</span> <a href='028translate.cc.html#L185'>num_words</a><span class="Delimiter">(</span><span class="Normal">const</span> segment& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L186" class="LineNr">186 </span> <span class="Normal">uint32_t</span> sum = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L187" class="LineNr">187 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L188" class="LineNr">188 </span> sum += <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> -<span id="L189" class="LineNr">189 </span> <span class="Identifier">return</span> sum<span class="Delimiter">;</span> -<span id="L190" class="LineNr">190 </span><span class="Delimiter">}</span> -<span id="L191" class="LineNr">191 </span> -<span id="L192" class="LineNr">192 </span><span class="Delimiter">:(before "End Includes")</span> -<span id="L193" class="LineNr">193 </span><span class="Normal">using</span> std::ios<span class="Delimiter">;</span> +<span id="L100" class="LineNr">100 </span> <span class="Normal">uint32_t</span> <a href='035labels.cc.html#L39'>e_entry</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>start<span class="Delimiter">;</span> <span class="Comment">// convention</span> +<span id="L101" class="LineNr">101 </span> <span class="Comment">// Override e_entry</span> +<span id="L102" class="LineNr">102 </span> emit<span class="Delimiter">(</span><a href='035labels.cc.html#L39'>e_entry</a><span class="Delimiter">);</span> +<span id="L103" class="LineNr">103 </span> <span class="Comment">// e_phoff -- immediately after ELF header</span> +<span id="L104" class="LineNr">104 </span> <span class="Normal">uint32_t</span> e_phoff = <span class="Constant">0x34</span><span class="Delimiter">;</span> +<span id="L105" class="LineNr">105 </span> emit<span class="Delimiter">(</span>e_phoff<span class="Delimiter">);</span> +<span id="L106" class="LineNr">106 </span> <span class="Comment">// e_shoff; unused</span> +<span id="L107" class="LineNr">107 </span> <span class="Normal">uint32_t</span> dummy32 = <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L108" class="LineNr">108 </span> emit<span class="Delimiter">(</span>dummy32<span class="Delimiter">);</span> +<span id="L109" class="LineNr">109 </span> <span class="Comment">// e_flags; unused</span> +<span id="L110" class="LineNr">110 </span> emit<span class="Delimiter">(</span>dummy32<span class="Delimiter">);</span> +<span id="L111" class="LineNr">111 </span> <span class="Comment">// e_ehsize</span> +<span id="L112" class="LineNr">112 </span> <span class="Normal">uint16_t</span> e_ehsize = <span class="Constant">0x34</span><span class="Delimiter">;</span> +<span id="L113" class="LineNr">113 </span> emit<span class="Delimiter">(</span>e_ehsize<span class="Delimiter">);</span> +<span id="L114" class="LineNr">114 </span> <span class="Comment">// e_phentsize</span> +<span id="L115" class="LineNr">115 </span> <span class="Normal">uint16_t</span> e_phentsize = <span class="Constant">0x20</span><span class="Delimiter">;</span> +<span id="L116" class="LineNr">116 </span> emit<span class="Delimiter">(</span>e_phentsize<span class="Delimiter">);</span> +<span id="L117" class="LineNr">117 </span> <span class="Comment">// e_phnum</span> +<span id="L118" class="LineNr">118 </span> <span class="Normal">uint16_t</span> e_phnum = <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">);</span> +<span id="L119" class="LineNr">119 </span> emit<span class="Delimiter">(</span>e_phnum<span class="Delimiter">);</span> +<span id="L120" class="LineNr">120 </span> <span class="Comment">// e_shentsize</span> +<span id="L121" class="LineNr">121 </span> <span class="Normal">uint16_t</span> dummy16 = <span class="Constant">0x0</span><span class="Delimiter">;</span> +<span id="L122" class="LineNr">122 </span> emit<span class="Delimiter">(</span>dummy16<span class="Delimiter">);</span> +<span id="L123" class="LineNr">123 </span> <span class="Comment">// e_shnum</span> +<span id="L124" class="LineNr">124 </span> emit<span class="Delimiter">(</span>dummy16<span class="Delimiter">);</span> +<span id="L125" class="LineNr">125 </span> <span class="Comment">// e_shstrndx</span> +<span id="L126" class="LineNr">126 </span> emit<span class="Delimiter">(</span>dummy16<span class="Delimiter">);</span> +<span id="L127" class="LineNr">127 </span> +<span id="L128" class="LineNr">128 </span> <span class="Normal">uint32_t</span> p_offset = <span class="Comment">/*</span><span class="Comment">size of ehdr</span><span class="Comment">*/</span><span class="Constant">0x34</span> + <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">)</span>*<span class="Constant">0x20</span><span class="Comment">/*</span><span class="Comment">size of each phdr</span><span class="Comment">*/</span><span class="Delimiter">;</span> +<span id="L129" class="LineNr">129 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L130" class="LineNr">130 </span> <span class="SalientComment">//// phdr</span> +<span id="L131" class="LineNr">131 </span> <span class="Comment">// p_type</span> +<span id="L132" class="LineNr">132 </span> <span class="Normal">uint32_t</span> p_type = <span class="Constant">0x1</span><span class="Delimiter">;</span> +<span id="L133" class="LineNr">133 </span> emit<span class="Delimiter">(</span>p_type<span class="Delimiter">);</span> +<span id="L134" class="LineNr">134 </span> <span class="Comment">// p_offset</span> +<span id="L135" class="LineNr">135 </span> emit<span class="Delimiter">(</span>p_offset<span class="Delimiter">);</span> +<span id="L136" class="LineNr">136 </span> <span class="Comment">// p_vaddr</span> +<span id="L137" class="LineNr">137 </span> <span class="Normal">uint32_t</span> p_start = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>start<span class="Delimiter">;</span> +<span id="L138" class="LineNr">138 </span> emit<span class="Delimiter">(</span>p_start<span class="Delimiter">);</span> +<span id="L139" class="LineNr">139 </span> <span class="Comment">// p_paddr</span> +<span id="L140" class="LineNr">140 </span> emit<span class="Delimiter">(</span>p_start<span class="Delimiter">);</span> +<span id="L141" class="LineNr">141 </span> <span class="Comment">// p_filesz</span> +<span id="L142" class="LineNr">142 </span> <span class="Normal">uint32_t</span> size = <a href='028translate.cc.html#L186'>num_words</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> +<span id="L143" class="LineNr">143 </span> assert<span class="Delimiter">(</span>p_offset + size < <a href='010---vm.cc.html#L115'>SEGMENT_ALIGNMENT</a><span class="Delimiter">);</span> +<span id="L144" class="LineNr">144 </span> emit<span class="Delimiter">(</span>size<span class="Delimiter">);</span> +<span id="L145" class="LineNr">145 </span> <span class="Comment">// p_memsz</span> +<span id="L146" class="LineNr">146 </span> emit<span class="Delimiter">(</span>size<span class="Delimiter">);</span> +<span id="L147" class="LineNr">147 </span> <span class="Comment">// p_flags</span> +<span id="L148" class="LineNr">148 </span> <span class="Normal">uint32_t</span> p_flags = <span class="Delimiter">(</span>i == <span class="Constant">0</span><span class="Delimiter">)</span> ? <span class="Comment">/*</span><span class="Comment">r-x</span><span class="Comment">*/</span><span class="Constant">0x5</span> : <span class="Comment">/*</span><span class="Comment">rw-</span><span class="Comment">*/</span><span class="Constant">0x6</span><span class="Delimiter">;</span> <span class="Comment">// convention: only first segment is code</span> +<span id="L149" class="LineNr">149 </span> emit<span class="Delimiter">(</span>p_flags<span class="Delimiter">);</span> +<span id="L150" class="LineNr">150 </span> +<span id="L151" class="LineNr">151 </span> <span class="Comment">// p_align</span> +<span id="L152" class="LineNr">152 </span> <span class="Comment">// "As the system creates or augments a process image, it logically copies</span> +<span id="L153" class="LineNr">153 </span> <span class="Comment">// a file's segment to a virtual memory segment. When—and if— the system</span> +<span id="L154" class="LineNr">154 </span> <span class="Comment">// physically reads the file depends on the program's execution behavior,</span> +<span id="L155" class="LineNr">155 </span> <span class="Comment">// system load, and so on. A process does not require a physical page</span> +<span id="L156" class="LineNr">156 </span> <span class="Comment">// unless it references the logical page during execution, and processes</span> +<span id="L157" class="LineNr">157 </span> <span class="Comment">// commonly leave many pages unreferenced. Therefore delaying physical</span> +<span id="L158" class="LineNr">158 </span> <span class="Comment">// reads frequently obviates them, improving system performance. To obtain</span> +<span id="L159" class="LineNr">159 </span> <span class="Comment">// this efficiency in practice, executable and shared object files must</span> +<span id="L160" class="LineNr">160 </span> <span class="Comment">// have segment images whose file offsets and virtual addresses are</span> +<span id="L161" class="LineNr">161 </span> <span class="Comment">// congruent, modulo the page size." -- <a href="http://refspecs.linuxbase.org/elf/elf.pdf">http://refspecs.linuxbase.org/elf/elf.pdf</a> (page 95)</span> +<span id="L162" class="LineNr">162 </span> <span class="Normal">uint32_t</span> p_align = <span class="Constant">0x1000</span><span class="Delimiter">;</span> <span class="Comment">// default page size on linux</span> +<span id="L163" class="LineNr">163 </span> emit<span class="Delimiter">(</span>p_align<span class="Delimiter">);</span> +<span id="L164" class="LineNr">164 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p_offset % p_align != p_start % p_align<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L165" class="LineNr">165 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"segment starting at 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << p_start << <span class="Constant">" is improperly aligned; alignment for p_offset "</span> << p_offset << <span class="Constant">" should be "</span> << <span class="Delimiter">(</span>p_offset % p_align<span class="Delimiter">)</span> << <span class="Constant">" but is "</span> << <span class="Delimiter">(</span>p_start % p_align<span class="Delimiter">)</span> << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> +<span id="L166" class="LineNr">166 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L167" class="LineNr">167 </span> <span class="Delimiter">}</span> +<span id="L168" class="LineNr">168 </span> +<span id="L169" class="LineNr">169 </span> <span class="Comment">// prepare for next segment</span> +<span id="L170" class="LineNr">170 </span> p_offset += size<span class="Delimiter">;</span> +<span id="L171" class="LineNr">171 </span> <span class="Delimiter">}</span> +<span id="L172" class="LineNr">172 </span><span class="Comment">#undef O</span> +<span id="L173" class="LineNr">173 </span><span class="Comment">#undef emit</span> +<span id="L174" class="LineNr">174 </span><span class="Delimiter">}</span> +<span id="L175" class="LineNr">175 </span> +<span id="L176" class="LineNr">176 </span><span class="Normal">void</span> <a href='028translate.cc.html#L176'>write_segment</a><span class="Delimiter">(</span><span class="Normal">const</span> segment& s<span class="Delimiter">,</span> ostream& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L177" class="LineNr">177 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L178" class="LineNr">178 </span> <span class="Normal">const</span> vector<word>& w = s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">;</span> +<span id="L179" class="LineNr">179 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>w<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L180" class="LineNr">180 </span> <span class="Normal">uint8_t</span> x = <a href='011run.cc.html#L271'>hex_byte</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">).</span>data<span class="Delimiter">);</span> <span class="Comment">// we're done with metadata by this point</span> +<span id="L181" class="LineNr">181 </span> out<span class="Delimiter">.</span>write<span class="Delimiter">(</span><span class="Normal">reinterpret_cast</span><<span class="Normal">const</span> <span class="Normal">char</span>*><span class="Delimiter">(</span>&x<span class="Delimiter">),</span> <span class="Comment">/*</span><span class="Comment">sizeof(byte)</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">);</span> +<span id="L182" class="LineNr">182 </span> <span class="Delimiter">}</span> +<span id="L183" class="LineNr">183 </span> <span class="Delimiter">}</span> +<span id="L184" class="LineNr">184 </span><span class="Delimiter">}</span> +<span id="L185" class="LineNr">185 </span> +<span id="L186" class="LineNr">186 </span><span class="Normal">uint32_t</span> <a href='028translate.cc.html#L186'>num_words</a><span class="Delimiter">(</span><span class="Normal">const</span> segment& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L187" class="LineNr">187 </span> <span class="Normal">uint32_t</span> sum = <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L188" class="LineNr">188 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L189" class="LineNr">189 </span> sum += <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> +<span id="L190" class="LineNr">190 </span> <span class="Identifier">return</span> sum<span class="Delimiter">;</span> +<span id="L191" class="LineNr">191 </span><span class="Delimiter">}</span> +<span id="L192" class="LineNr">192 </span> +<span id="L193" class="LineNr">193 </span><span class="Delimiter">:(before "End Includes")</span> +<span id="L194" class="LineNr">194 </span><span class="Normal">using</span> std::ios<span class="Delimiter">;</span> </pre> </body> </html> diff --git a/html/subx/030---operands.cc.html b/html/subx/030---operands.cc.html index 6567df13..e0b73e02 100644 --- a/html/subx/030---operands.cc.html +++ b/html/subx/030---operands.cc.html @@ -208,17 +208,17 @@ if ('onhashchange' in window) { <span id="L148" class="LineNr">148 </span> <span id="L149" class="LineNr">149 </span><span class="Delimiter">:(after "Begin Transforms")</span> <span id="L150" class="LineNr">150 </span><span class="Comment">// Begin Level-2 Transforms</span> -<span id="L151" class="LineNr">151 </span><span class="Special"><a href='011run.cc.html#L229'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pack_operands<span class="Delimiter">);</span> +<span id="L151" class="LineNr">151 </span><span class="Special"><a href='011run.cc.html#L225'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pack_operands<span class="Delimiter">);</span> <span id="L152" class="LineNr">152 </span><span class="Comment">// End Level-2 Transforms</span> <span id="L153" class="LineNr">153 </span> <span id="L154" class="LineNr">154 </span><span class="Delimiter">:(code)</span> <span id="L155" class="LineNr">155 </span><span class="Normal">void</span> pack_operands<span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L156" class="LineNr">156 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L157" class="LineNr">157 </span> segment& <a href='031check_operands.cc.html#L11'>code</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> +<span id="L156" class="LineNr">156 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L157" class="LineNr">157 </span> segment& <a href='031check_operands.cc.html#L11'>code</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span id="L158" class="LineNr">158 </span> <span class="Comment">// Pack Operands(segment code)</span> <span id="L159" class="LineNr">159 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"-- pack operands"</span> << end<span class="Delimiter">();</span> -<span id="L160" class="LineNr">160 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L161" class="LineNr">161 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L160" class="LineNr">160 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L161" class="LineNr">161 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> <span id="L162" class="LineNr">162 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L379'>all_hex_bytes</a><span class="Delimiter">(</span>inst<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span id="L163" class="LineNr">163 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"packing instruction '"</span> << to_string<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">with metadata</span><span class="Comment">*/</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> <span id="L164" class="LineNr">164 </span> pack_operands<span class="Delimiter">(</span>inst<span class="Delimiter">);</span> @@ -227,76 +227,76 @@ if ('onhashchange' in window) { <span id="L167" class="LineNr">167 </span><span class="Delimiter">}</span> <span id="L168" class="LineNr">168 </span> <span id="L169" class="LineNr">169 </span><span class="Normal">void</span> pack_operands<span class="Delimiter">(</span>line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L170" class="LineNr">170 </span> <a href='011run.cc.html#L117'>line</a> new_inst<span class="Delimiter">;</span> +<span id="L170" class="LineNr">170 </span> <a href='011run.cc.html#L113'>line</a> new_inst<span class="Delimiter">;</span> <span id="L171" class="LineNr">171 </span> <a href='030---operands.cc.html#L179'>add_opcodes</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> new_inst<span class="Delimiter">);</span> <span id="L172" class="LineNr">172 </span> <a href='030---operands.cc.html#L189'>add_modrm_byte</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> new_inst<span class="Delimiter">);</span> <span id="L173" class="LineNr">173 </span> <a href='030---operands.cc.html#L215'>add_sib_byte</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> new_inst<span class="Delimiter">);</span> <span id="L174" class="LineNr">174 </span> <a href='030---operands.cc.html#L237'>add_disp_bytes</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> new_inst<span class="Delimiter">);</span> <span id="L175" class="LineNr">175 </span> <a href='030---operands.cc.html#L249'>add_imm_bytes</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> new_inst<span class="Delimiter">);</span> -<span id="L176" class="LineNr">176 </span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>new_inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> +<span id="L176" class="LineNr">176 </span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>new_inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> <span id="L177" class="LineNr">177 </span><span class="Delimiter">}</span> <span id="L178" class="LineNr">178 </span> <span id="L179" class="LineNr">179 </span><span class="Normal">void</span> <a href='030---operands.cc.html#L179'>add_opcodes</a><span class="Delimiter">(</span><span class="Normal">const</span> line& in<span class="Delimiter">,</span> line& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L180" class="LineNr">180 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> -<span id="L181" class="LineNr">181 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span> || in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f2"</span> || in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f3"</span><span class="Delimiter">)</span> -<span id="L182" class="LineNr">182 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">));</span> -<span id="L183" class="LineNr">183 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f3"</span> && in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span> -<span id="L184" class="LineNr">184 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">));</span> -<span id="L185" class="LineNr">185 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f2"</span> && in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span> -<span id="L186" class="LineNr">186 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">));</span> +<span id="L180" class="LineNr">180 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> +<span id="L181" class="LineNr">181 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span> || in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f2"</span> || in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f3"</span><span class="Delimiter">)</span> +<span id="L182" class="LineNr">182 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">));</span> +<span id="L183" class="LineNr">183 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f3"</span> && in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span> +<span id="L184" class="LineNr">184 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">));</span> +<span id="L185" class="LineNr">185 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f2"</span> && in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span> +<span id="L186" class="LineNr">186 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">));</span> <span id="L187" class="LineNr">187 </span><span class="Delimiter">}</span> <span id="L188" class="LineNr">188 </span> <span id="L189" class="LineNr">189 </span><span class="Normal">void</span> <a href='030---operands.cc.html#L189'>add_modrm_byte</a><span class="Delimiter">(</span><span class="Normal">const</span> line& in<span class="Delimiter">,</span> line& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L190" class="LineNr">190 </span> <span class="Normal">uint8_t</span> mod=<span class="Constant">0</span><span class="Delimiter">,</span> reg_subop=<span class="Constant">0</span><span class="Delimiter">,</span> rm32=<span class="Constant">0</span><span class="Delimiter">;</span> <span id="L191" class="LineNr">191 </span> <span class="Normal">bool</span> emit =<span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L192" class="LineNr">192 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L193" class="LineNr">193 </span> <span class="Normal">const</span> word& curr = in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L192" class="LineNr">192 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L193" class="LineNr">193 </span> <span class="Normal">const</span> word& curr = in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> <span id="L194" class="LineNr">194 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"mod"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L195" class="LineNr">195 </span> mod = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> +<span id="L195" class="LineNr">195 </span> mod = <a href='011run.cc.html#L271'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L196" class="LineNr">196 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L197" class="LineNr">197 </span> <span class="Delimiter">}</span> <span id="L198" class="LineNr">198 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"rm32"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L199" class="LineNr">199 </span> rm32 = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> +<span id="L199" class="LineNr">199 </span> rm32 = <a href='011run.cc.html#L271'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L200" class="LineNr">200 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L201" class="LineNr">201 </span> <span class="Delimiter">}</span> <span id="L202" class="LineNr">202 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"r32"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L203" class="LineNr">203 </span> reg_subop = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> +<span id="L203" class="LineNr">203 </span> reg_subop = <a href='011run.cc.html#L271'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L204" class="LineNr">204 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L205" class="LineNr">205 </span> <span class="Delimiter">}</span> <span id="L206" class="LineNr">206 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"subop"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L207" class="LineNr">207 </span> reg_subop = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> +<span id="L207" class="LineNr">207 </span> reg_subop = <a href='011run.cc.html#L271'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L208" class="LineNr">208 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L209" class="LineNr">209 </span> <span class="Delimiter">}</span> <span id="L210" class="LineNr">210 </span> <span class="Delimiter">}</span> <span id="L211" class="LineNr">211 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>emit<span class="Delimiter">)</span> -<span id="L212" class="LineNr">212 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='030---operands.cc.html#L279'>hex_byte_text</a><span class="Delimiter">((</span>mod << <span class="Constant">6</span><span class="Delimiter">)</span> | <span class="Delimiter">(</span>reg_subop << <span class="Constant">3</span><span class="Delimiter">)</span> | rm32<span class="Delimiter">));</span> +<span id="L212" class="LineNr">212 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='030---operands.cc.html#L279'>hex_byte_text</a><span class="Delimiter">((</span>mod << <span class="Constant">6</span><span class="Delimiter">)</span> | <span class="Delimiter">(</span>reg_subop << <span class="Constant">3</span><span class="Delimiter">)</span> | rm32<span class="Delimiter">));</span> <span id="L213" class="LineNr">213 </span><span class="Delimiter">}</span> <span id="L214" class="LineNr">214 </span> <span id="L215" class="LineNr">215 </span><span class="Normal">void</span> <a href='030---operands.cc.html#L215'>add_sib_byte</a><span class="Delimiter">(</span><span class="Normal">const</span> line& in<span class="Delimiter">,</span> line& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L216" class="LineNr">216 </span> <span class="Normal">uint8_t</span> scale=<span class="Constant">0</span><span class="Delimiter">,</span> index=<span class="Constant">0</span><span class="Delimiter">,</span> base=<span class="Constant">0</span><span class="Delimiter">;</span> <span id="L217" class="LineNr">217 </span> <span class="Normal">bool</span> emit =<span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L218" class="LineNr">218 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L219" class="LineNr">219 </span> <span class="Normal">const</span> word& curr = in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L218" class="LineNr">218 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L219" class="LineNr">219 </span> <span class="Normal">const</span> word& curr = in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> <span id="L220" class="LineNr">220 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"scale"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L221" class="LineNr">221 </span> scale = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> +<span id="L221" class="LineNr">221 </span> scale = <a href='011run.cc.html#L271'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L222" class="LineNr">222 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L223" class="LineNr">223 </span> <span class="Delimiter">}</span> <span id="L224" class="LineNr">224 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"index"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L225" class="LineNr">225 </span> index = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> +<span id="L225" class="LineNr">225 </span> index = <a href='011run.cc.html#L271'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L226" class="LineNr">226 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L227" class="LineNr">227 </span> <span class="Delimiter">}</span> <span id="L228" class="LineNr">228 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"base"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L229" class="LineNr">229 </span> base = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> +<span id="L229" class="LineNr">229 </span> base = <a href='011run.cc.html#L271'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L230" class="LineNr">230 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L231" class="LineNr">231 </span> <span class="Delimiter">}</span> <span id="L232" class="LineNr">232 </span> <span class="Delimiter">}</span> <span id="L233" class="LineNr">233 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>emit<span class="Delimiter">)</span> -<span id="L234" class="LineNr">234 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='030---operands.cc.html#L279'>hex_byte_text</a><span class="Delimiter">((</span>scale << <span class="Constant">6</span><span class="Delimiter">)</span> | <span class="Delimiter">(</span>index << <span class="Constant">3</span><span class="Delimiter">)</span> | base<span class="Delimiter">));</span> +<span id="L234" class="LineNr">234 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='030---operands.cc.html#L279'>hex_byte_text</a><span class="Delimiter">((</span>scale << <span class="Constant">6</span><span class="Delimiter">)</span> | <span class="Delimiter">(</span>index << <span class="Constant">3</span><span class="Delimiter">)</span> | base<span class="Delimiter">));</span> <span id="L235" class="LineNr">235 </span><span class="Delimiter">}</span> <span id="L236" class="LineNr">236 </span> <span id="L237" class="LineNr">237 </span><span class="Normal">void</span> <a href='030---operands.cc.html#L237'>add_disp_bytes</a><span class="Delimiter">(</span><span class="Normal">const</span> line& in<span class="Delimiter">,</span> line& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L238" class="LineNr">238 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L239" class="LineNr">239 </span> <span class="Normal">const</span> word& curr = in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L238" class="LineNr">238 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L239" class="LineNr">239 </span> <span class="Normal">const</span> word& curr = in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> <span id="L240" class="LineNr">240 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp8"</span><span class="Delimiter">))</span> <span id="L241" class="LineNr">241 </span> emit_hex_bytes<span class="Delimiter">(</span>out<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> <span id="L242" class="LineNr">242 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp16"</span><span class="Delimiter">))</span> @@ -307,8 +307,8 @@ if ('onhashchange' in window) { <span id="L247" class="LineNr">247 </span><span class="Delimiter">}</span> <span id="L248" class="LineNr">248 </span> <span id="L249" class="LineNr">249 </span><span class="Normal">void</span> <a href='030---operands.cc.html#L249'>add_imm_bytes</a><span class="Delimiter">(</span><span class="Normal">const</span> line& in<span class="Delimiter">,</span> line& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L250" class="LineNr">250 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L251" class="LineNr">251 </span> <span class="Normal">const</span> word& curr = in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L250" class="LineNr">250 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L251" class="LineNr">251 </span> <span class="Normal">const</span> word& curr = in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> <span id="L252" class="LineNr">252 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"imm8"</span><span class="Delimiter">))</span> <span id="L253" class="LineNr">253 </span> emit_hex_bytes<span class="Delimiter">(</span>out<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> <span id="L254" class="LineNr">254 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"imm32"</span><span class="Delimiter">))</span> @@ -320,24 +320,24 @@ if ('onhashchange' in window) { <span id="L260" class="LineNr">260 </span> assert<span class="Delimiter">(</span>num <= <span class="Constant">4</span><span class="Delimiter">);</span> <span id="L261" class="LineNr">261 </span> <span class="Normal">bool</span> is_number = <a href='030---operands.cc.html#L439'>looks_like_hex_int</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L262" class="LineNr">262 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>num == <span class="Constant">1</span> || !is_number<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L263" class="LineNr">263 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>w<span class="Delimiter">);</span> <span class="Comment">// preserve existing metadata</span> +<span id="L263" class="LineNr">263 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>w<span class="Delimiter">);</span> <span class="Comment">// preserve existing metadata</span> <span id="L264" class="LineNr">264 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_number<span class="Delimiter">)</span> -<span id="L265" class="LineNr">265 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>data = <a href='030---operands.cc.html#L286'>hex_byte_to_string</a><span class="Delimiter">(</span><a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">));</span> +<span id="L265" class="LineNr">265 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>data = <a href='030---operands.cc.html#L286'>hex_byte_to_string</a><span class="Delimiter">(</span><a href='011run.cc.html#L360'>parse_int</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">));</span> <span id="L266" class="LineNr">266 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L267" class="LineNr">267 </span> <span class="Delimiter">}</span> -<span id="L268" class="LineNr">268 </span> emit_hex_bytes<span class="Delimiter">(</span>out<span class="Delimiter">,</span> <span class="Normal">static_cast</span><<span class="Normal">uint32_t</span>><span class="Delimiter">(</span><a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">)),</span> num<span class="Delimiter">);</span> +<span id="L268" class="LineNr">268 </span> emit_hex_bytes<span class="Delimiter">(</span>out<span class="Delimiter">,</span> <span class="Normal">static_cast</span><<span class="Normal">uint32_t</span>><span class="Delimiter">(</span><a href='011run.cc.html#L360'>parse_int</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">)),</span> num<span class="Delimiter">);</span> <span id="L269" class="LineNr">269 </span><span class="Delimiter">}</span> <span id="L270" class="LineNr">270 </span> <span id="L271" class="LineNr">271 </span><span class="Normal">void</span> emit_hex_bytes<span class="Delimiter">(</span>line& out<span class="Delimiter">,</span> <span class="Normal">uint32_t</span> val<span class="Delimiter">,</span> <span class="Normal">int</span> num<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L272" class="LineNr">272 </span> assert<span class="Delimiter">(</span>num <= <span class="Constant">4</span><span class="Delimiter">);</span> <span id="L273" class="LineNr">273 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < num<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L274" class="LineNr">274 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='030---operands.cc.html#L279'>hex_byte_text</a><span class="Delimiter">(</span>val & <span class="Constant">0xff</span><span class="Delimiter">));</span> +<span id="L274" class="LineNr">274 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='030---operands.cc.html#L279'>hex_byte_text</a><span class="Delimiter">(</span>val & <span class="Constant">0xff</span><span class="Delimiter">));</span> <span id="L275" class="LineNr">275 </span> val = val >> <span class="Constant">8</span><span class="Delimiter">;</span> <span id="L276" class="LineNr">276 </span> <span class="Delimiter">}</span> <span id="L277" class="LineNr">277 </span><span class="Delimiter">}</span> <span id="L278" class="LineNr">278 </span> -<span id="L279" class="LineNr">279 </span><a href='011run.cc.html#L123'>word</a> <a href='030---operands.cc.html#L279'>hex_byte_text</a><span class="Delimiter">(</span><span class="Normal">uint8_t</span> val<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L280" class="LineNr">280 </span> <a href='011run.cc.html#L123'>word</a> result<span class="Delimiter">;</span> +<span id="L279" class="LineNr">279 </span><a href='011run.cc.html#L119'>word</a> <a href='030---operands.cc.html#L279'>hex_byte_text</a><span class="Delimiter">(</span><span class="Normal">uint8_t</span> val<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L280" class="LineNr">280 </span> <a href='011run.cc.html#L119'>word</a> result<span class="Delimiter">;</span> <span id="L281" class="LineNr">281 </span> result<span class="Delimiter">.</span>data = <a href='030---operands.cc.html#L286'>hex_byte_to_string</a><span class="Delimiter">(</span>val<span class="Delimiter">);</span> <span id="L282" class="LineNr">282 </span> result<span class="Delimiter">.</span>original = result<span class="Delimiter">.</span>data+<span class="Constant">"/auto"</span><span class="Delimiter">;</span> <span id="L283" class="LineNr">283 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> @@ -361,13 +361,13 @@ if ('onhashchange' in window) { <span id="L301" class="LineNr">301 </span> <span id="L302" class="LineNr">302 </span><span class="Delimiter">:(before "End Unit Tests")</span> <span id="L303" class="LineNr">303 </span><span class="Normal">void</span> <a href='030---operands.cc.html#L303'>test_preserve_metadata_when_emitting_single_byte</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> -<span id="L304" class="LineNr">304 </span> <a href='011run.cc.html#L123'>word</a> in<span class="Delimiter">;</span> +<span id="L304" class="LineNr">304 </span> <a href='011run.cc.html#L119'>word</a> in<span class="Delimiter">;</span> <span id="L305" class="LineNr">305 </span> in<span class="Delimiter">.</span>data = <span class="Constant">"f0"</span><span class="Delimiter">;</span> <span id="L306" class="LineNr">306 </span> in<span class="Delimiter">.</span>original = <span class="Constant">"f0/foo"</span><span class="Delimiter">;</span> -<span id="L307" class="LineNr">307 </span> <a href='011run.cc.html#L117'>line</a> out<span class="Delimiter">;</span> +<span id="L307" class="LineNr">307 </span> <a href='011run.cc.html#L113'>line</a> out<span class="Delimiter">;</span> <span id="L308" class="LineNr">308 </span> emit_hex_bytes<span class="Delimiter">(</span>out<span class="Delimiter">,</span> in<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> -<span id="L309" class="LineNr">309 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data<span class="Delimiter">,</span> <span class="Constant">"f0"</span><span class="Delimiter">);</span> -<span id="L310" class="LineNr">310 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original<span class="Delimiter">,</span> <span class="Constant">"f0/foo"</span><span class="Delimiter">);</span> +<span id="L309" class="LineNr">309 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data<span class="Delimiter">,</span> <span class="Constant">"f0"</span><span class="Delimiter">);</span> +<span id="L310" class="LineNr">310 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original<span class="Delimiter">,</span> <span class="Constant">"f0/foo"</span><span class="Delimiter">);</span> <span id="L311" class="LineNr">311 </span><span class="Delimiter">}</span> <span id="L312" class="LineNr">312 </span> <span id="L313" class="LineNr">313 </span><span class="Delimiter">:(scenario pack_disp8)</span> @@ -387,12 +387,12 @@ if ('onhashchange' in window) { <span id="L327" class="LineNr">327 </span> <span id="L328" class="LineNr">328 </span><span class="Comment">//: helper for scenario</span> <span id="L329" class="LineNr">329 </span><span class="Delimiter">:(code)</span> -<span id="L330" class="LineNr">330 </span><span class="Normal">void</span> <a href='011run.cc.html#L231'>transform</a><span class="Delimiter">(</span><span class="Normal">const</span> string& text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L331" class="LineNr">331 </span> <a href='011run.cc.html#L99'>program</a> p<span class="Delimiter">;</span> +<span id="L330" class="LineNr">330 </span><span class="Normal">void</span> <a href='011run.cc.html#L228'>transform</a><span class="Delimiter">(</span><span class="Normal">const</span> string& text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L331" class="LineNr">331 </span> <a href='011run.cc.html#L95'>program</a> p<span class="Delimiter">;</span> <span id="L332" class="LineNr">332 </span> istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span> <span id="L333" class="LineNr">333 </span> parse<span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span> <span id="L334" class="LineNr">334 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L335" class="LineNr">335 </span> <a href='011run.cc.html#L231'>transform</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> +<span id="L335" class="LineNr">335 </span> <a href='011run.cc.html#L228'>transform</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> <span id="L336" class="LineNr">336 </span><span class="Delimiter">}</span> <span id="L337" class="LineNr">337 </span> <span id="L338" class="LineNr">338 </span><span class="Delimiter">:(scenario pack_modrm_imm32)</span> @@ -437,8 +437,8 @@ if ('onhashchange' in window) { <span id="L377" class="LineNr">377 </span> <span id="L378" class="LineNr">378 </span><span class="Delimiter">:(code)</span> <span id="L379" class="LineNr">379 </span><span class="Normal">bool</span> <a href='030---operands.cc.html#L379'>all_hex_bytes</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L380" class="LineNr">380 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L381" class="LineNr">381 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_hex_byte<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> +<span id="L380" class="LineNr">380 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L381" class="LineNr">381 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_hex_byte<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span id="L382" class="LineNr">382 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> <span id="L383" class="LineNr">383 </span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L384" class="LineNr">384 </span><span class="Delimiter">}</span> @@ -453,17 +453,17 @@ if ('onhashchange' in window) { <span id="L393" class="LineNr">393 </span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L394" class="LineNr">394 </span><span class="Delimiter">}</span> <span id="L395" class="LineNr">395 </span> -<span id="L396" class="LineNr">396 </span><span class="Normal">bool</span> <a href='030---operands.cc.html#L396'>contains_any_operand_metadata</a><span class="Delimiter">(</span><span class="Normal">const</span> word& <a href='011run.cc.html#L123'>word</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L397" class="LineNr">397 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='011run.cc.html#L123'>word</a><span class="Delimiter">.</span>metadata<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L398" class="LineNr">398 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='030---operands.cc.html#L40'>Instruction_operands</a></span><span class="Delimiter">.</span>find<span class="Delimiter">(</span><a href='011run.cc.html#L123'>word</a><span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> != <span class="Special"><a href='030---operands.cc.html#L40'>Instruction_operands</a></span><span class="Delimiter">.</span>end<span class="Delimiter">())</span> +<span id="L396" class="LineNr">396 </span><span class="Normal">bool</span> <a href='030---operands.cc.html#L396'>contains_any_operand_metadata</a><span class="Delimiter">(</span><span class="Normal">const</span> word& <a href='011run.cc.html#L119'>word</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L397" class="LineNr">397 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='011run.cc.html#L119'>word</a><span class="Delimiter">.</span>metadata<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L398" class="LineNr">398 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='030---operands.cc.html#L40'>Instruction_operands</a></span><span class="Delimiter">.</span>find<span class="Delimiter">(</span><a href='011run.cc.html#L119'>word</a><span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> != <span class="Special"><a href='030---operands.cc.html#L40'>Instruction_operands</a></span><span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span id="L399" class="LineNr">399 </span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L400" class="LineNr">400 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> <span id="L401" class="LineNr">401 </span><span class="Delimiter">}</span> <span id="L402" class="LineNr">402 </span> <span id="L403" class="LineNr">403 </span><span class="Normal">bool</span> has_operand_metadata<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">const</span> string& m<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L404" class="LineNr">404 </span> <span class="Normal">bool</span> result =<span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L405" class="LineNr">405 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L406" class="LineNr">406 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> m<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> +<span id="L405" class="LineNr">405 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L406" class="LineNr">406 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> m<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span id="L407" class="LineNr">407 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L408" class="LineNr">408 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' has conflicting "</span> << m << <span class="Constant">" operands\n"</span> << end<span class="Delimiter">();</span> <span id="L409" class="LineNr">409 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> @@ -489,10 +489,10 @@ if ('onhashchange' in window) { <span id="L429" class="LineNr">429 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> <span id="L430" class="LineNr">430 </span><span class="Delimiter">}</span> <span id="L431" class="LineNr">431 </span> -<span id="L432" class="LineNr">432 </span><a href='011run.cc.html#L123'>word</a> metadata<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">const</span> string& m<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L433" class="LineNr">433 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L434" class="LineNr">434 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> m<span class="Delimiter">))</span> -<span id="L435" class="LineNr">435 </span> <span class="Identifier">return</span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L432" class="LineNr">432 </span><a href='011run.cc.html#L119'>word</a> metadata<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">const</span> string& m<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L433" class="LineNr">433 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L434" class="LineNr">434 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> m<span class="Delimiter">))</span> +<span id="L435" class="LineNr">435 </span> <span class="Identifier">return</span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> <span id="L436" class="LineNr">436 </span> assert<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">);</span> <span id="L437" class="LineNr">437 </span><span class="Delimiter">}</span> <span id="L438" class="LineNr">438 </span> @@ -507,9 +507,9 @@ if ('onhashchange' in window) { <span id="L447" class="LineNr">447 </span><span class="Delimiter">:(code)</span> <span id="L448" class="LineNr">448 </span>string to_string<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L449" class="LineNr">449 </span> ostringstream out<span class="Delimiter">;</span> -<span id="L450" class="LineNr">450 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L450" class="LineNr">450 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L451" class="LineNr">451 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i > <span class="Constant">0</span><span class="Delimiter">)</span> out << <span class="Constant">' '</span><span class="Delimiter">;</span> -<span id="L452" class="LineNr">452 </span> out << inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original<span class="Delimiter">;</span> +<span id="L452" class="LineNr">452 </span> out << inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original<span class="Delimiter">;</span> <span id="L453" class="LineNr">453 </span> <span class="Delimiter">}</span> <span id="L454" class="LineNr">454 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> <span id="L455" class="LineNr">455 </span><span class="Delimiter">}</span> diff --git a/html/subx/031check_operands.cc.html b/html/subx/031check_operands.cc.html index cf54310e..af4bbab7 100644 --- a/html/subx/031check_operands.cc.html +++ b/html/subx/031check_operands.cc.html @@ -76,14 +76,14 @@ if ('onhashchange' in window) { <span id="L14" class="LineNr"> 14 </span><span class="Delimiter">:(code)</span> <span id="L15" class="LineNr"> 15 </span><span class="Normal">void</span> check_operands<span class="Delimiter">(</span><span class="Normal">const</span> segment& <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L16" class="LineNr"> 16 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"-- check operands"</span> << end<span class="Delimiter">();</span> -<span id="L17" class="LineNr"> 17 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L18" class="LineNr"> 18 </span> check_operands<span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> +<span id="L17" class="LineNr"> 17 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L18" class="LineNr"> 18 </span> check_operands<span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> <span id="L19" class="LineNr"> 19 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// stop at the first mal-formed instruction</span> <span id="L20" class="LineNr"> 20 </span> <span class="Delimiter">}</span> <span id="L21" class="LineNr"> 21 </span><span class="Delimiter">}</span> <span id="L22" class="LineNr"> 22 </span> <span id="L23" class="LineNr"> 23 </span><span class="Normal">void</span> check_operands<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L24" class="LineNr"> 24 </span> <a href='011run.cc.html#L123'>word</a> op = <a href='031check_operands.cc.html#L36'>preprocess_op</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> +<span id="L24" class="LineNr"> 24 </span> <a href='011run.cc.html#L119'>word</a> op = <a href='031check_operands.cc.html#L36'>preprocess_op</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> <span id="L25" class="LineNr"> 25 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>op<span class="Delimiter">.</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L26" class="LineNr"> 26 </span> check_operands_0f<span class="Delimiter">(</span>inst<span class="Delimiter">);</span> <span id="L27" class="LineNr"> 27 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> @@ -95,7 +95,7 @@ if ('onhashchange' in window) { <span id="L33" class="LineNr"> 33 </span> check_operands<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> op<span class="Delimiter">);</span> <span id="L34" class="LineNr"> 34 </span><span class="Delimiter">}</span> <span id="L35" class="LineNr"> 35 </span> -<span id="L36" class="LineNr"> 36 </span><a href='011run.cc.html#L123'>word</a> <a href='031check_operands.cc.html#L36'>preprocess_op</a><span class="Delimiter">(</span><a href='011run.cc.html#L123'>word</a><span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> op<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L36" class="LineNr"> 36 </span><a href='011run.cc.html#L119'>word</a> <a href='031check_operands.cc.html#L36'>preprocess_op</a><span class="Delimiter">(</span><a href='011run.cc.html#L119'>word</a><span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> op<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L37" class="LineNr"> 37 </span> op<span class="Delimiter">.</span>data = <a href='031check_operands.cc.html#L592'>tolower</a><span class="Delimiter">(</span>op<span class="Delimiter">.</span>data<span class="Delimiter">.</span>c_str<span class="Delimiter">());</span> <span id="L38" class="LineNr"> 38 </span> <span class="Comment">// opcodes can't be negative</span> <span id="L39" class="LineNr"> 39 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L102'>starts_with</a><span class="Delimiter">(</span>op<span class="Delimiter">.</span>data<span class="Delimiter">,</span> <span class="Constant">"0x"</span><span class="Delimiter">))</span> @@ -106,8 +106,8 @@ if ('onhashchange' in window) { <span id="L44" class="LineNr"> 44 </span><span class="Delimiter">}</span> <span id="L45" class="LineNr"> 45 </span> <span id="L46" class="LineNr"> 46 </span><span class="Normal">void</span> <a href='031check_operands.cc.html#L46'>test_preprocess_op</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> -<span id="L47" class="LineNr"> 47 </span> <a href='011run.cc.html#L123'>word</a> w1<span class="Delimiter">;</span> w1<span class="Delimiter">.</span>data = <span class="Constant">"0xf"</span><span class="Delimiter">;</span> -<span id="L48" class="LineNr"> 48 </span> <a href='011run.cc.html#L123'>word</a> w2<span class="Delimiter">;</span> w2<span class="Delimiter">.</span>data = <span class="Constant">"0f"</span><span class="Delimiter">;</span> +<span id="L47" class="LineNr"> 47 </span> <a href='011run.cc.html#L119'>word</a> w1<span class="Delimiter">;</span> w1<span class="Delimiter">.</span>data = <span class="Constant">"0xf"</span><span class="Delimiter">;</span> +<span id="L48" class="LineNr"> 48 </span> <a href='011run.cc.html#L119'>word</a> w2<span class="Delimiter">;</span> w2<span class="Delimiter">.</span>data = <span class="Constant">"0f"</span><span class="Delimiter">;</span> <span id="L49" class="LineNr"> 49 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L36'>preprocess_op</a><span class="Delimiter">(</span>w1<span class="Delimiter">).</span>data<span class="Delimiter">,</span> <a href='031check_operands.cc.html#L36'>preprocess_op</a><span class="Delimiter">(</span>w2<span class="Delimiter">).</span>data<span class="Delimiter">);</span> <span id="L50" class="LineNr"> 50 </span><span class="Delimiter">}</span> <span id="L51" class="LineNr"> 51 </span> @@ -349,21 +349,21 @@ if ('onhashchange' in window) { <span id="L287" class="LineNr">287 </span><span class="Normal">uint32_t</span> <a href='031check_operands.cc.html#L287'>compute_expected_operand_bitvector</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L288" class="LineNr">288 </span> set<string> operands_found<span class="Delimiter">;</span> <span id="L289" class="LineNr">289 </span> <span class="Normal">uint32_t</span> bitvector = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L290" class="LineNr">290 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip op</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L291" class="LineNr">291 </span> bitvector = bitvector | <a href='031check_operands.cc.html#L314'>expected_bit_for_received_operand</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> operands_found<span class="Delimiter">,</span> inst<span class="Delimiter">);</span> +<span id="L290" class="LineNr">290 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip op</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L291" class="LineNr">291 </span> bitvector = bitvector | <a href='031check_operands.cc.html#L314'>expected_bit_for_received_operand</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> operands_found<span class="Delimiter">,</span> inst<span class="Delimiter">);</span> <span id="L292" class="LineNr">292 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span> <a href='031check_operands.cc.html#L95'>INVALID_OPERANDS</a><span class="Delimiter">;</span> <span class="Comment">// duplicate operand type</span> <span id="L293" class="LineNr">293 </span> <span class="Delimiter">}</span> <span id="L294" class="LineNr">294 </span> <span class="Identifier">return</span> bitvector<span class="Delimiter">;</span> <span id="L295" class="LineNr">295 </span><span class="Delimiter">}</span> <span id="L296" class="LineNr">296 </span> <span id="L297" class="LineNr">297 </span><span class="Normal">bool</span> <a href='031check_operands.cc.html#L297'>has_operands</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L298" class="LineNr">298 </span> <span class="Identifier">return</span> <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">)</span> > <a href='031check_operands.cc.html#L301'>first_operand</a><span class="Delimiter">(</span>inst<span class="Delimiter">);</span> +<span id="L298" class="LineNr">298 </span> <span class="Identifier">return</span> <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">)</span> > <a href='031check_operands.cc.html#L301'>first_operand</a><span class="Delimiter">(</span>inst<span class="Delimiter">);</span> <span id="L299" class="LineNr">299 </span><span class="Delimiter">}</span> <span id="L300" class="LineNr">300 </span> <span id="L301" class="LineNr">301 </span><span class="Normal">int</span> <a href='031check_operands.cc.html#L301'>first_operand</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L302" class="LineNr">302 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">2</span><span class="Delimiter">;</span> -<span id="L303" class="LineNr">303 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f2"</span> || inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f3"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L304" class="LineNr">304 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span> +<span id="L302" class="LineNr">302 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">2</span><span class="Delimiter">;</span> +<span id="L303" class="LineNr">303 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f2"</span> || inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f3"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L304" class="LineNr">304 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span> <span id="L305" class="LineNr">305 </span> <span class="Identifier">return</span> <span class="Constant">3</span><span class="Delimiter">;</span> <span id="L306" class="LineNr">306 </span> <span class="Normal">else</span> <span id="L307" class="LineNr">307 </span> <span class="Identifier">return</span> <span class="Constant">2</span><span class="Delimiter">;</span> @@ -425,7 +425,7 @@ if ('onhashchange' in window) { <span id="L363" class="LineNr">363 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L364" class="LineNr">364 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"rm32"</span><span class="Delimiter">).</span>data != <span class="Constant">"4"</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L365" class="LineNr">365 </span> <span class="Comment">// SIB byte checks</span> -<span id="L366" class="LineNr">366 </span> <span class="Normal">uint8_t</span> mod = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"mod"</span><span class="Delimiter">).</span>data<span class="Delimiter">);</span> +<span id="L366" class="LineNr">366 </span> <span class="Normal">uint8_t</span> mod = <a href='011run.cc.html#L271'>hex_byte</a><span class="Delimiter">(</span>metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"mod"</span><span class="Delimiter">).</span>data<span class="Delimiter">);</span> <span id="L367" class="LineNr">367 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>mod != <span class="Comment">/*</span><span class="Comment">direct</span><span class="Comment">*/</span><span class="Constant">3</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L368" class="LineNr">368 </span> <a href='031check_operands.cc.html#L414'>check_operand_metadata_present</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"base"</span><span class="Delimiter">,</span> op<span class="Delimiter">);</span> <span id="L369" class="LineNr">369 </span> <a href='031check_operands.cc.html#L414'>check_operand_metadata_present</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"index"</span><span class="Delimiter">,</span> op<span class="Delimiter">);</span> <span class="Comment">// otherwise why go to SIB?</span> @@ -445,10 +445,10 @@ if ('onhashchange' in window) { <span id="L383" class="LineNr">383 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// duplicate operand type</span> <span id="L384" class="LineNr">384 </span> <span class="Comment">// update 'expected' bitvector for the additional exception</span> <span id="L385" class="LineNr">385 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"mod"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L386" class="LineNr">386 </span> <span class="Normal">int32_t</span> mod = <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span>metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"mod"</span><span class="Delimiter">).</span>data<span class="Delimiter">);</span> +<span id="L386" class="LineNr">386 </span> <span class="Normal">int32_t</span> mod = <a href='011run.cc.html#L360'>parse_int</a><span class="Delimiter">(</span>metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"mod"</span><span class="Delimiter">).</span>data<span class="Delimiter">);</span> <span id="L387" class="LineNr">387 </span> <span class="Normal">switch</span> <span class="Delimiter">(</span>mod<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L388" class="LineNr">388 </span> <span class="Normal">case</span> <span class="Constant">0</span>: -<span id="L389" class="LineNr">389 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"rm32"</span><span class="Delimiter">)</span> && <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span>metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"rm32"</span><span class="Delimiter">).</span>data<span class="Delimiter">)</span> == <span class="Constant">5</span><span class="Delimiter">)</span> +<span id="L389" class="LineNr">389 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"rm32"</span><span class="Delimiter">)</span> && <a href='011run.cc.html#L360'>parse_int</a><span class="Delimiter">(</span>metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"rm32"</span><span class="Delimiter">).</span>data<span class="Delimiter">)</span> == <span class="Constant">5</span><span class="Delimiter">)</span> <span id="L390" class="LineNr">390 </span> expected |= <span class="Delimiter">(</span><span class="Constant">1</span><<DISP32<span class="Delimiter">);</span> <span id="L391" class="LineNr">391 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L392" class="LineNr">392 </span> <span class="Normal">case</span> <span class="Constant">1</span>: @@ -573,12 +573,12 @@ if ('onhashchange' in window) { <span id="L511" class="LineNr">511 </span> <span id="L512" class="LineNr">512 </span><span class="Delimiter">:(code)</span> <span id="L513" class="LineNr">513 </span><span class="Normal">void</span> check_operands_0f<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L514" class="LineNr">514 </span> assert<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">);</span> -<span id="L515" class="LineNr">515 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L514" class="LineNr">514 </span> assert<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">);</span> +<span id="L515" class="LineNr">515 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L516" class="LineNr">516 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"opcode '0f' requires a second opcode\n"</span> << end<span class="Delimiter">();</span> <span id="L517" class="LineNr">517 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L518" class="LineNr">518 </span> <span class="Delimiter">}</span> -<span id="L519" class="LineNr">519 </span> <a href='011run.cc.html#L123'>word</a> op = <a href='031check_operands.cc.html#L36'>preprocess_op</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">));</span> +<span id="L519" class="LineNr">519 </span> <a href='011run.cc.html#L119'>word</a> op = <a href='031check_operands.cc.html#L36'>preprocess_op</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">));</span> <span id="L520" class="LineNr">520 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special"><a href='010---vm.cc.html#L379'>Name_0f</a></span><span class="Delimiter">,</span> op<span class="Delimiter">.</span>data<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span id="L521" class="LineNr">521 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"unknown 2-byte opcode '0f "</span> << op<span class="Delimiter">.</span>data << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> <span id="L522" class="LineNr">522 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> diff --git a/html/subx/032check_operand_bounds.cc.html b/html/subx/032check_operand_bounds.cc.html index 6df7342d..a96c4241 100644 --- a/html/subx/032check_operand_bounds.cc.html +++ b/html/subx/032check_operand_bounds.cc.html @@ -90,10 +90,10 @@ if ('onhashchange' in window) { <span id="L28" class="LineNr">28 </span><span class="Delimiter">:(code)</span> <span id="L29" class="LineNr">29 </span><span class="Normal">void</span> check_operand_bounds<span class="Delimiter">(</span><span class="Normal">const</span> segment& <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L30" class="LineNr">30 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"-- check operand bounds"</span> << end<span class="Delimiter">();</span> -<span id="L31" class="LineNr">31 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L32" class="LineNr">32 </span> <span class="Normal">const</span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L33" class="LineNr">33 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <a href='031check_operands.cc.html#L301'>first_operand</a><span class="Delimiter">(</span>inst<span class="Delimiter">);</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> -<span id="L34" class="LineNr">34 </span> check_operand_bounds<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">));</span> +<span id="L31" class="LineNr">31 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L32" class="LineNr">32 </span> <span class="Normal">const</span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L33" class="LineNr">33 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <a href='031check_operands.cc.html#L301'>first_operand</a><span class="Delimiter">(</span>inst<span class="Delimiter">);</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> +<span id="L34" class="LineNr">34 </span> check_operand_bounds<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">));</span> <span id="L35" class="LineNr">35 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// stop at the first mal-formed instruction</span> <span id="L36" class="LineNr">36 </span> <span class="Delimiter">}</span> <span id="L37" class="LineNr">37 </span><span class="Delimiter">}</span> @@ -102,7 +102,7 @@ if ('onhashchange' in window) { <span id="L40" class="LineNr">40 </span> <span class="Normal">for</span> <span class="Delimiter">(</span>map<string<span class="Delimiter">,</span> <span class="Normal">uint32_t</span>>::iterator p = <span class="Special"><a href='032check_operand_bounds.cc.html#L10'>Operand_bound</a></span><span class="Delimiter">.</span>begin<span class="Delimiter">();</span> p != <span class="Special"><a href='032check_operand_bounds.cc.html#L10'>Operand_bound</a></span><span class="Delimiter">.</span>end<span class="Delimiter">();</span> ++p<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L41" class="LineNr">41 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_operand_metadata<span class="Delimiter">(</span>w<span class="Delimiter">,</span> p<span class="Delimiter">-></span>first<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span id="L42" class="LineNr">42 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!looks_like_hex_int<span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// later transforms are on their own to do their own bounds checking</span> -<span id="L43" class="LineNr">43 </span> <span class="Normal">int32_t</span> x = <a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">);</span> +<span id="L43" class="LineNr">43 </span> <span class="Normal">int32_t</span> x = <a href='011run.cc.html#L360'>parse_int</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L44" class="LineNr">44 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>x >= <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L45" class="LineNr">45 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Normal">static_cast</span><<span class="Normal">uint32_t</span>><span class="Delimiter">(</span>x<span class="Delimiter">)</span> >= p<span class="Delimiter">-></span>second<span class="Delimiter">)</span> <span id="L46" class="LineNr">46 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << w<span class="Delimiter">.</span>original << <span class="Constant">"' too large to fit in bitfield "</span> << p<span class="Delimiter">-></span>first << <span class="cSpecial">'\n'</span> << end<span class="Delimiter">();</span> diff --git a/html/subx/034compute_segment_address.cc.html b/html/subx/034compute_segment_address.cc.html index ae9a2461..bbdd21e4 100644 --- a/html/subx/034compute_segment_address.cc.html +++ b/html/subx/034compute_segment_address.cc.html @@ -71,75 +71,75 @@ if ('onhashchange' in window) { <span id="L11" class="LineNr"> 11 </span><span class="traceContains">+load: 0x09000056 -> 0b</span> <span id="L12" class="LineNr"> 12 </span><span class="traceContains">+load: 0x09000057 -> 0c</span> <span id="L13" class="LineNr"> 13 </span><span class="traceContains">+load: 0x09000058 -> 0d</span> -<span id="L14" class="LineNr"> 14 </span><span class="traceContains">+run: add imm32 0x0d0c0b0a to reg EAX</span> +<span id="L14" class="LineNr"> 14 </span><span class="traceContains">+run: add <a href='037heap.cc.html#L23'>imm32</a> 0x0d0c0b0a to <a href='010---vm.cc.html#L23'>reg</a> <a href='010---vm.cc.html#L13'>EAX</a></span> <span id="L15" class="LineNr"> 15 </span><span class="traceContains">+run: storing 0x0d0c0b0a</span> <span id="L16" class="LineNr"> 16 </span> <span id="L17" class="LineNr"> 17 </span><span class="Comment">//: Update the parser to handle non-numeric segment name.</span> <span id="L18" class="LineNr"> 18 </span><span class="Comment">//:</span> <span id="L19" class="LineNr"> 19 </span><span class="Comment">//: We'll also support repeated segments with non-numeric names.</span> -<span id="L20" class="LineNr"> 20 </span><span class="Comment">//: When we encounter a new reference to an existing segment we'll *prepend*</span> -<span id="L21" class="LineNr"> 21 </span><span class="Comment">//: the new data to existing data for the segment.</span> -<span id="L22" class="LineNr"> 22 </span> -<span id="L23" class="LineNr"> 23 </span><span class="Delimiter">:(before "End Globals")</span> -<span id="L24" class="LineNr"> 24 </span>map<<span class="Comment">/*</span><span class="Comment">name</span><span class="Comment">*/</span>string<span class="Delimiter">,</span> <span class="Normal">int</span>> <span class="Special">Segment_index</span><span class="Delimiter">;</span> -<span id="L25" class="LineNr"> 25 </span><span class="Normal">bool</span> <span class="Special">Currently_parsing_named_segment</span> =<span class="Constant"> false</span><span class="Delimiter">;</span> <span class="Comment">// global to permit cross-layer communication</span> -<span id="L26" class="LineNr"> 26 </span><span class="Normal">int</span> <span class="Special">Currently_parsing_segment_index</span> = -<span class="Constant">1</span><span class="Delimiter">;</span> <span class="Comment">// global to permit cross-layer communication</span> -<span id="L27" class="LineNr"> 27 </span><span class="Delimiter">:(before "End Reset")</span> -<span id="L28" class="LineNr"> 28 </span><span class="Special">Segment_index</span><span class="Delimiter">.</span>clear<span class="Delimiter">();</span> -<span id="L29" class="LineNr"> 29 </span><span class="Special">Currently_parsing_named_segment</span> =<span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L30" class="LineNr"> 30 </span><span class="Special">Currently_parsing_segment_index</span> = -<span class="Constant">1</span><span class="Delimiter">;</span> -<span id="L31" class="LineNr"> 31 </span> -<span id="L32" class="LineNr"> 32 </span><span class="Delimiter">:(before "End Segment Parsing Special-cases(segment_title)")</span> -<span id="L33" class="LineNr"> 33 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!starts_with<span class="Delimiter">(</span>segment_title<span class="Delimiter">,</span> <span class="Constant">"0x"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L34" class="LineNr"> 34 </span> <span class="Special">Currently_parsing_named_segment</span> =<span class="Constant"> true</span><span class="Delimiter">;</span> -<span id="L35" class="LineNr"> 35 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special">Segment_index</span><span class="Delimiter">,</span> segment_title<span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L36" class="LineNr"> 36 </span> trace<span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"new segment '"</span> << segment_title << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> -<span id="L37" class="LineNr"> 37 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>out<span class="Delimiter">.</span>segments<span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && segment_title != <span class="Constant">"code"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L38" class="LineNr"> 38 </span> raise << <span class="Constant">"first segment must be 'code' but is '"</span> << segment_title << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> -<span id="L39" class="LineNr"> 39 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L40" class="LineNr"> 40 </span> <span class="Delimiter">}</span> -<span id="L41" class="LineNr"> 41 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>SIZE<span class="Delimiter">(</span>out<span class="Delimiter">.</span>segments<span class="Delimiter">)</span> == <span class="Constant">1</span> && segment_title != <span class="Constant">"data"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L42" class="LineNr"> 42 </span> raise << <span class="Constant">"second segment must be 'data' but is '"</span> << segment_title << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> -<span id="L43" class="LineNr"> 43 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L44" class="LineNr"> 44 </span> <span class="Delimiter">}</span> -<span id="L45" class="LineNr"> 45 </span> put<span class="Delimiter">(</span><span class="Special">Segment_index</span><span class="Delimiter">,</span> segment_title<span class="Delimiter">,</span> SIZE<span class="Delimiter">(</span>out<span class="Delimiter">.</span>segments<span class="Delimiter">));</span> -<span id="L46" class="LineNr"> 46 </span> out<span class="Delimiter">.</span>segments<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>segment<span class="Delimiter">());</span> -<span id="L47" class="LineNr"> 47 </span> <span class="Delimiter">}</span> -<span id="L48" class="LineNr"> 48 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> -<span id="L49" class="LineNr"> 49 </span> trace<span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"prepending to segment '"</span> << segment_title << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> -<span id="L50" class="LineNr"> 50 </span> <span class="Delimiter">}</span> -<span id="L51" class="LineNr"> 51 </span> <span class="Special">Currently_parsing_segment_index</span> = get<span class="Delimiter">(</span><span class="Special">Segment_index</span><span class="Delimiter">,</span> segment_title<span class="Delimiter">);</span> -<span id="L52" class="LineNr"> 52 </span><span class="Delimiter">}</span> -<span id="L53" class="LineNr"> 53 </span> -<span id="L54" class="LineNr"> 54 </span><span class="Delimiter">:(before "End flush(p, lines) Special-cases")</span> -<span id="L55" class="LineNr"> 55 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Currently_parsing_named_segment</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L56" class="LineNr"> 56 </span> assert<span class="Delimiter">(</span>!p<span class="Delimiter">.</span>segments<span class="Delimiter">.</span>empty<span class="Delimiter">());</span> -<span id="L57" class="LineNr"> 57 </span> trace<span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"flushing to segment"</span> << end<span class="Delimiter">();</span> -<span id="L58" class="LineNr"> 58 </span> vector<line>& curr_segment_data = p<span class="Delimiter">.</span>segments<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Special">Currently_parsing_segment_index</span><span class="Delimiter">).</span>lines<span class="Delimiter">;</span> -<span id="L59" class="LineNr"> 59 </span> curr_segment_data<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>curr_segment_data<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> lines<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> lines<span class="Delimiter">.</span>end<span class="Delimiter">());</span> -<span id="L60" class="LineNr"> 60 </span> lines<span class="Delimiter">.</span>clear<span class="Delimiter">();</span> -<span id="L61" class="LineNr"> 61 </span> <span class="Special">Currently_parsing_named_segment</span> =<span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L62" class="LineNr"> 62 </span> <span class="Special">Currently_parsing_segment_index</span> = -<span class="Constant">1</span><span class="Delimiter">;</span> -<span id="L63" class="LineNr"> 63 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L64" class="LineNr"> 64 </span><span class="Delimiter">}</span> -<span id="L65" class="LineNr"> 65 </span> -<span id="L66" class="LineNr"> 66 </span><span class="Delimiter">:(scenario repeated_segment_merges_data)</span> +<span id="L20" class="LineNr"> 20 </span> +<span id="L21" class="LineNr"> 21 </span><span class="Delimiter">:(before "End Globals")</span> +<span id="L22" class="LineNr"> 22 </span>map<<span class="Comment">/*</span><span class="Comment">name</span><span class="Comment">*/</span>string<span class="Delimiter">,</span> <span class="Normal">int</span>> <span class="Special"><a href='034compute_segment_address.cc.html#L22'>Segment_index</a></span><span class="Delimiter">;</span> +<span id="L23" class="LineNr"> 23 </span><span class="Normal">bool</span> <span class="Special"><a href='034compute_segment_address.cc.html#L23'>Currently_parsing_named_segment</a></span> =<span class="Constant"> false</span><span class="Delimiter">;</span> <span class="Comment">// global to permit cross-layer communication</span> +<span id="L24" class="LineNr"> 24 </span><span class="Normal">int</span> <span class="Special"><a href='034compute_segment_address.cc.html#L24'>Currently_parsing_segment_index</a></span> = -<span class="Constant">1</span><span class="Delimiter">;</span> <span class="Comment">// global to permit cross-layer communication</span> +<span id="L25" class="LineNr"> 25 </span><span class="Delimiter">:(before "End Reset")</span> +<span id="L26" class="LineNr"> 26 </span><span class="Special"><a href='034compute_segment_address.cc.html#L22'>Segment_index</a></span><span class="Delimiter">.</span>clear<span class="Delimiter">();</span> +<span id="L27" class="LineNr"> 27 </span><span class="Special"><a href='034compute_segment_address.cc.html#L23'>Currently_parsing_named_segment</a></span> =<span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L28" class="LineNr"> 28 </span><span class="Special"><a href='034compute_segment_address.cc.html#L24'>Currently_parsing_segment_index</a></span> = -<span class="Constant">1</span><span class="Delimiter">;</span> +<span id="L29" class="LineNr"> 29 </span> +<span id="L30" class="LineNr"> 30 </span><span class="Delimiter">:(before "End Segment Parsing Special-cases(segment_title)")</span> +<span id="L31" class="LineNr"> 31 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!starts_with<span class="Delimiter">(</span>segment_title<span class="Delimiter">,</span> <span class="Constant">"0x"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L32" class="LineNr"> 32 </span> <span class="Special"><a href='034compute_segment_address.cc.html#L23'>Currently_parsing_named_segment</a></span> =<span class="Constant"> true</span><span class="Delimiter">;</span> +<span id="L33" class="LineNr"> 33 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special"><a href='034compute_segment_address.cc.html#L22'>Segment_index</a></span><span class="Delimiter">,</span> segment_title<span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L34" class="LineNr"> 34 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"new segment '"</span> << segment_title << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> +<span id="L35" class="LineNr"> 35 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && segment_title != <span class="Constant">"code"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L36" class="LineNr"> 36 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"first segment must be 'code' but is '"</span> << segment_title << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> +<span id="L37" class="LineNr"> 37 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L38" class="LineNr"> 38 </span> <span class="Delimiter">}</span> +<span id="L39" class="LineNr"> 39 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">)</span> == <span class="Constant">1</span> && segment_title != <span class="Constant">"data"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L40" class="LineNr"> 40 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"second segment must be 'data' but is '"</span> << segment_title << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> +<span id="L41" class="LineNr"> 41 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L42" class="LineNr"> 42 </span> <span class="Delimiter">}</span> +<span id="L43" class="LineNr"> 43 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='034compute_segment_address.cc.html#L22'>Segment_index</a></span><span class="Delimiter">,</span> segment_title<span class="Delimiter">,</span> <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">));</span> +<span id="L44" class="LineNr"> 44 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>segment<span class="Delimiter">());</span> +<span id="L45" class="LineNr"> 45 </span> <span class="Delimiter">}</span> +<span id="L46" class="LineNr"> 46 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> +<span id="L47" class="LineNr"> 47 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"appending to segment '"</span> << segment_title << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> +<span id="L48" class="LineNr"> 48 </span> <span class="Delimiter">}</span> +<span id="L49" class="LineNr"> 49 </span> <span class="Special"><a href='034compute_segment_address.cc.html#L24'>Currently_parsing_segment_index</a></span> = get<span class="Delimiter">(</span><span class="Special"><a href='034compute_segment_address.cc.html#L22'>Segment_index</a></span><span class="Delimiter">,</span> segment_title<span class="Delimiter">);</span> +<span id="L50" class="LineNr"> 50 </span><span class="Delimiter">}</span> +<span id="L51" class="LineNr"> 51 </span> +<span id="L52" class="LineNr"> 52 </span><span class="Delimiter">:(before "End flush(p, lines) Special-cases")</span> +<span id="L53" class="LineNr"> 53 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='034compute_segment_address.cc.html#L23'>Currently_parsing_named_segment</a></span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L54" class="LineNr"> 54 </span> assert<span class="Delimiter">(</span>!p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">());</span> +<span id="L55" class="LineNr"> 55 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"flushing segment"</span> << end<span class="Delimiter">();</span> +<span id="L56" class="LineNr"> 56 </span> vector<line>& curr_segment_data = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Special"><a href='034compute_segment_address.cc.html#L24'>Currently_parsing_segment_index</a></span><span class="Delimiter">).</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">;</span> +<span id="L57" class="LineNr"> 57 </span> curr_segment_data<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>curr_segment_data<span class="Delimiter">.</span>end<span class="Delimiter">(),</span> <a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> <a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>end<span class="Delimiter">());</span> +<span id="L58" class="LineNr"> 58 </span> <a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>clear<span class="Delimiter">();</span> +<span id="L59" class="LineNr"> 59 </span> <span class="Special"><a href='034compute_segment_address.cc.html#L23'>Currently_parsing_named_segment</a></span> =<span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L60" class="LineNr"> 60 </span> <span class="Special"><a href='034compute_segment_address.cc.html#L24'>Currently_parsing_segment_index</a></span> = -<span class="Constant">1</span><span class="Delimiter">;</span> +<span id="L61" class="LineNr"> 61 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L62" class="LineNr"> 62 </span><span class="Delimiter">}</span> +<span id="L63" class="LineNr"> 63 </span> +<span id="L64" class="LineNr"> 64 </span><span class="Delimiter">:(scenario repeated_segment_merges_data)</span> +<span id="L65" class="LineNr"> 65 </span>== <a href='031check_operands.cc.html#L11'>code</a> +<span id="L66" class="LineNr"> 66 </span><span class="PreProc">0</span><span class="Constant">5</span>/add-to-EAX <span class="Constant">0x0d0c0b0a</span>/imm32 <span id="L67" class="LineNr"> 67 </span>== <a href='031check_operands.cc.html#L11'>code</a> -<span id="L68" class="LineNr"> 68 </span><span class="PreProc">0</span><span class="Constant">5</span>/add-to-EAX <span class="Constant">0x0d0c0b0a</span>/imm32 -<span id="L69" class="LineNr"> 69 </span>== <a href='031check_operands.cc.html#L11'>code</a> -<span id="L70" class="LineNr"> 70 </span>2d/subtract-from-EAX <span class="Constant">0xddccbbaa</span>/imm32 -<span id="L71" class="LineNr"> 71 </span><span class="traceContains">+parse: new segment 'code'</span> -<span id="L72" class="LineNr"> 72 </span><span class="traceContains">+parse: prepending to segment 'code'</span> -<span id="L73" class="LineNr"> 73 </span><span class="traceContains">+load: 0x09000054 -> 2d</span> -<span id="L74" class="LineNr"> 74 </span><span class="traceContains">+load: 0x09000055 -> aa</span> -<span id="L75" class="LineNr"> 75 </span><span class="traceContains">+load: 0x09000056 -> bb</span> -<span id="L76" class="LineNr"> 76 </span><span class="traceContains">+load: 0x09000057 -> cc</span> -<span id="L77" class="LineNr"> 77 </span><span class="traceContains">+load: 0x09000058 -> dd</span> -<span id="L78" class="LineNr"> 78 </span><span class="traceContains">+load: 0x09000059 -> 05</span> -<span id="L79" class="LineNr"> 79 </span><span class="traceContains">+load: 0x0900005a -> 0a</span> -<span id="L80" class="LineNr"> 80 </span><span class="traceContains">+load: 0x0900005b -> 0b</span> -<span id="L81" class="LineNr"> 81 </span><span class="traceContains">+load: 0x0900005c -> 0c</span> -<span id="L82" class="LineNr"> 82 </span><span class="traceContains">+load: 0x0900005d -> 0d</span> +<span id="L68" class="LineNr"> 68 </span>2d/subtract-from-EAX <span class="Constant">0xddccbbaa</span>/imm32 +<span id="L69" class="LineNr"> 69 </span><span class="traceContains">+parse: new segment 'code'</span> +<span id="L70" class="LineNr"> 70 </span><span class="traceContains">+parse: appending to segment 'code'</span> +<span id="L71" class="LineNr"> 71 </span><span class="Comment"># first segment</span> +<span id="L72" class="LineNr"> 72 </span><span class="traceContains">+load: 0x09000054 -> 05</span> +<span id="L73" class="LineNr"> 73 </span><span class="traceContains">+load: 0x09000055 -> 0a</span> +<span id="L74" class="LineNr"> 74 </span><span class="traceContains">+load: 0x09000056 -> 0b</span> +<span id="L75" class="LineNr"> 75 </span><span class="traceContains">+load: 0x09000057 -> 0c</span> +<span id="L76" class="LineNr"> 76 </span><span class="traceContains">+load: 0x09000058 -> 0d</span> +<span id="L77" class="LineNr"> 77 </span><span class="Comment"># second segment</span> +<span id="L78" class="LineNr"> 78 </span><span class="traceContains">+load: 0x09000059 -> 2d</span> +<span id="L79" class="LineNr"> 79 </span><span class="traceContains">+load: 0x0900005a -> aa</span> +<span id="L80" class="LineNr"> 80 </span><span class="traceContains">+load: 0x0900005b -> bb</span> +<span id="L81" class="LineNr"> 81 </span><span class="traceContains">+load: 0x0900005c -> cc</span> +<span id="L82" class="LineNr"> 82 </span><span class="traceContains">+load: 0x0900005d -> dd</span> <span id="L83" class="LineNr"> 83 </span> <span id="L84" class="LineNr"> 84 </span><span class="Delimiter">:(scenario error_on_missing_segment_header)</span> <span id="L85" class="LineNr"> 85 </span><span class="Special">% Hide_errors = true;</span> @@ -163,35 +163,35 @@ if ('onhashchange' in window) { <span id="L103" class="LineNr">103 </span><span class="Comment">//: compute segment address</span> <span id="L104" class="LineNr">104 </span> <span id="L105" class="LineNr">105 </span><span class="Delimiter">:(before "End Level-2 Transforms")</span> -<span id="L106" class="LineNr">106 </span><span class="Special">Transform</span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>compute_segment_starts<span class="Delimiter">);</span> +<span id="L106" class="LineNr">106 </span><span class="Special"><a href='011run.cc.html#L225'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='034compute_segment_address.cc.html#L109'>compute_segment_starts</a><span class="Delimiter">);</span> <span id="L107" class="LineNr">107 </span> <span id="L108" class="LineNr">108 </span><span class="Delimiter">:(code)</span> -<span id="L109" class="LineNr">109 </span><span class="Normal">void</span> compute_segment_starts<span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L110" class="LineNr">110 </span> trace<span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"-- compute segment addresses"</span> << end<span class="Delimiter">();</span> -<span id="L111" class="LineNr">111 </span> <span class="Normal">uint32_t</span> p_offset = <span class="Comment">/*</span><span class="Comment">size of ehdr</span><span class="Comment">*/</span><span class="Constant">0x34</span> + SIZE<span class="Delimiter">(</span>p<span class="Delimiter">.</span>segments<span class="Delimiter">)</span>*<span class="Constant">0x20</span><span class="Comment">/*</span><span class="Comment">size of each phdr</span><span class="Comment">*/</span><span class="Delimiter">;</span> -<span id="L112" class="LineNr">112 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">size_t</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < p<span class="Delimiter">.</span>segments<span class="Delimiter">.</span>size<span class="Delimiter">();</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L113" class="LineNr">113 </span> segment& curr = p<span class="Delimiter">.</span>segments<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L109" class="LineNr">109 </span><span class="Normal">void</span> <a href='034compute_segment_address.cc.html#L109'>compute_segment_starts</a><span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L110" class="LineNr">110 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"-- compute segment addresses"</span> << end<span class="Delimiter">();</span> +<span id="L111" class="LineNr">111 </span> <span class="Normal">uint32_t</span> p_offset = <span class="Comment">/*</span><span class="Comment">size of ehdr</span><span class="Comment">*/</span><span class="Constant">0x34</span> + <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">)</span>*<span class="Constant">0x20</span><span class="Comment">/*</span><span class="Comment">size of each phdr</span><span class="Comment">*/</span><span class="Delimiter">;</span> +<span id="L112" class="LineNr">112 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">size_t</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>size<span class="Delimiter">();</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L113" class="LineNr">113 </span> segment& curr = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> <span id="L114" class="LineNr">114 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>start == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L115" class="LineNr">115 </span> curr<span class="Delimiter">.</span>start = CODE_SEGMENT + i*SPACE_FOR_SEGMENT + p_offset<span class="Delimiter">;</span> -<span id="L116" class="LineNr">116 </span> trace<span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"segment "</span> << i << <span class="Constant">" begins at address 0x"</span> << HEXWORD << curr<span class="Delimiter">.</span>start << end<span class="Delimiter">();</span> +<span id="L115" class="LineNr">115 </span> curr<span class="Delimiter">.</span>start = <a href='012elf.cc.html#L135'>CODE_SEGMENT</a> + i*SPACE_FOR_SEGMENT + p_offset<span class="Delimiter">;</span> +<span id="L116" class="LineNr">116 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"segment "</span> << i << <span class="Constant">" begins at address 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << curr<span class="Delimiter">.</span>start << end<span class="Delimiter">();</span> <span id="L117" class="LineNr">117 </span> <span class="Delimiter">}</span> <span id="L118" class="LineNr">118 </span> p_offset += size_of<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> -<span id="L119" class="LineNr">119 </span> assert<span class="Delimiter">(</span>p_offset < SEGMENT_ALIGNMENT<span class="Delimiter">);</span> <span class="Comment">// for now we get less and less available space in each successive segment</span> +<span id="L119" class="LineNr">119 </span> assert<span class="Delimiter">(</span>p_offset < <a href='010---vm.cc.html#L115'>SEGMENT_ALIGNMENT</a><span class="Delimiter">);</span> <span class="Comment">// for now we get less and less available space in each successive segment</span> <span id="L120" class="LineNr">120 </span> <span class="Delimiter">}</span> <span id="L121" class="LineNr">121 </span><span class="Delimiter">}</span> <span id="L122" class="LineNr">122 </span> <span id="L123" class="LineNr">123 </span><span class="Normal">uint32_t</span> size_of<span class="Delimiter">(</span><span class="Normal">const</span> segment& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L124" class="LineNr">124 </span> <span class="Normal">uint32_t</span> sum = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L125" class="LineNr">125 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>s<span class="Delimiter">.</span>lines<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L126" class="LineNr">126 </span> sum += num_bytes<span class="Delimiter">(</span>s<span class="Delimiter">.</span>lines<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> +<span id="L125" class="LineNr">125 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L126" class="LineNr">126 </span> sum += <a href='034compute_segment_address.cc.html#L131'>num_bytes</a><span class="Delimiter">(</span>s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> <span id="L127" class="LineNr">127 </span> <span class="Identifier">return</span> sum<span class="Delimiter">;</span> <span id="L128" class="LineNr">128 </span><span class="Delimiter">}</span> <span id="L129" class="LineNr">129 </span> <span id="L130" class="LineNr">130 </span><span class="Comment">// Assumes all bitfields are packed.</span> -<span id="L131" class="LineNr">131 </span><span class="Normal">uint32_t</span> num_bytes<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L131" class="LineNr">131 </span><span class="Normal">uint32_t</span> <a href='034compute_segment_address.cc.html#L131'>num_bytes</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L132" class="LineNr">132 </span> <span class="Normal">uint32_t</span> sum = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L133" class="LineNr">133 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < SIZE<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>words<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L134" class="LineNr">134 </span> sum += size_of<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>words<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> +<span id="L133" class="LineNr">133 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L134" class="LineNr">134 </span> sum += size_of<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> <span id="L135" class="LineNr">135 </span> <span class="Identifier">return</span> sum<span class="Delimiter">;</span> <span id="L136" class="LineNr">136 </span><span class="Delimiter">}</span> <span id="L137" class="LineNr">137 </span> diff --git a/html/subx/035labels.cc.html b/html/subx/035labels.cc.html index cae20515..5056247f 100644 --- a/html/subx/035labels.cc.html +++ b/html/subx/035labels.cc.html @@ -14,8 +14,8 @@ pre { white-space: pre-wrap; font-family: monospace; color: #000000; background- body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } -.cSpecial { color: #008000; } -.PreProc { color: #c000c0; } +.traceAbsent { color: #c00000; } +.traceContains { color: #005f00; } .LineNr { } .Constant { color: #008787; } .Delimiter { color: #c000c0; } @@ -23,7 +23,8 @@ a { color:inherit; } .Identifier { color: #af5f00; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } .Comment { color: #005faf; } -.traceContains { color: #005f00; } +.cSpecial { color: #008000; } +.PreProc { color: #c000c0; } --> </style> @@ -80,272 +81,293 @@ if ('onhashchange' in window) { <span id="L19" class="LineNr"> 19 </span><span class="Comment">//: Later layers may add more conventions partitioning the space of names. But</span> <span id="L20" class="LineNr"> 20 </span><span class="Comment">//: the above rules will remain inviolate.</span> <span id="L21" class="LineNr"> 21 </span> -<span id="L22" class="LineNr"> 22 </span><span class="Delimiter">:(before "End looks_like_hex_int(s) Detectors")</span> -<span id="L23" class="LineNr"> 23 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">)</span> == <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> -<span id="L24" class="LineNr"> 24 </span> -<span id="L25" class="LineNr"> 25 </span><span class="Delimiter">:(scenarios transform)</span> -<span id="L26" class="LineNr"> 26 </span><span class="Delimiter">:(scenario pack_immediate_ignores_single_byte_nondigit_operand)</span> -<span id="L27" class="LineNr"> 27 </span><span class="Special">% Hide_errors = true;</span> -<span id="L28" class="LineNr"> 28 </span>== <span class="Constant">0x1</span> -<span id="L29" class="LineNr"> 29 </span>b9/copy a/imm32 -<span id="L30" class="LineNr"> 30 </span><span class="traceContains">+transform: packing instruction 'b9/copy a/imm32'</span> -<span id="L31" class="LineNr"> 31 </span><span class="Comment"># no change (we're just not printing metadata to the trace)</span> -<span id="L32" class="LineNr"> 32 </span><span class="traceContains">+transform: instruction after packing: 'b9 a'</span> -<span id="L33" class="LineNr"> 33 </span> -<span id="L34" class="LineNr"> 34 </span><span class="Delimiter">:(scenario pack_immediate_ignores_3_hex_digit_operand)</span> -<span id="L35" class="LineNr"> 35 </span><span class="Special">% Hide_errors = true;</span> -<span id="L36" class="LineNr"> 36 </span>== <span class="Constant">0x1</span> -<span id="L37" class="LineNr"> 37 </span>b9/copy aaa/imm32 -<span id="L38" class="LineNr"> 38 </span><span class="traceContains">+transform: packing instruction 'b9/copy aaa/imm32'</span> -<span id="L39" class="LineNr"> 39 </span><span class="Comment"># no change (we're just not printing metadata to the trace)</span> -<span id="L40" class="LineNr"> 40 </span><span class="traceContains">+transform: instruction after packing: 'b9 aaa'</span> -<span id="L41" class="LineNr"> 41 </span> -<span id="L42" class="LineNr"> 42 </span><span class="Delimiter">:(scenario pack_immediate_ignores_non_hex_operand)</span> -<span id="L43" class="LineNr"> 43 </span><span class="Special">% Hide_errors = true;</span> -<span id="L44" class="LineNr"> 44 </span>== <span class="Constant">0x1</span> -<span id="L45" class="LineNr"> 45 </span>b9/copy xxx/imm32 -<span id="L46" class="LineNr"> 46 </span><span class="traceContains">+transform: packing instruction 'b9/copy xxx/imm32'</span> -<span id="L47" class="LineNr"> 47 </span><span class="Comment"># no change (we're just not printing metadata to the trace)</span> -<span id="L48" class="LineNr"> 48 </span><span class="traceContains">+transform: instruction after packing: 'b9 xxx'</span> -<span id="L49" class="LineNr"> 49 </span> -<span id="L50" class="LineNr"> 50 </span><span class="Comment">//: a helper we'll find handy later</span> -<span id="L51" class="LineNr"> 51 </span><span class="Delimiter">:(code)</span> -<span id="L52" class="LineNr"> 52 </span><span class="Normal">void</span> <a href='035labels.cc.html#L52'>check_valid_name</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L53" class="LineNr"> 53 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> -<span id="L54" class="LineNr"> 54 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"empty name!\n"</span> << end<span class="Delimiter">();</span> -<span id="L55" class="LineNr"> 55 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L56" class="LineNr"> 56 </span> <span class="Delimiter">}</span> -<span id="L57" class="LineNr"> 57 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'-'</span><span class="Delimiter">)</span> -<span id="L58" class="LineNr"> 58 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << s << <span class="Constant">"' starts with '-', which can be confused with a negative number; use a different name\n"</span> << end<span class="Delimiter">();</span> -<span id="L59" class="LineNr"> 59 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>substr<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">)</span> == <span class="Constant">"0x"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L60" class="LineNr"> 60 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << s << <span class="Constant">"' looks like a hex number; use a different name\n"</span> << end<span class="Delimiter">();</span> -<span id="L61" class="LineNr"> 61 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L62" class="LineNr"> 62 </span> <span class="Delimiter">}</span> -<span id="L63" class="LineNr"> 63 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>isdigit<span class="Delimiter">(</span>s<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> -<span id="L64" class="LineNr"> 64 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << s << <span class="Constant">"' starts with a digit, and so can be confused with a negative number; use a different name.\n"</span> << end<span class="Delimiter">();</span> -<span id="L65" class="LineNr"> 65 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">)</span> == <span class="Constant">2</span><span class="Delimiter">)</span> -<span id="L66" class="LineNr"> 66 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << s << <span class="Constant">"' is two characters long which can look like raw hex bytes at a glance; use a different name\n"</span> << end<span class="Delimiter">();</span> -<span id="L67" class="LineNr"> 67 </span><span class="Delimiter">}</span> +<span id="L22" class="LineNr"> 22 </span><span class="Comment">//: One special label: the address to start running the program at.</span> +<span id="L23" class="LineNr"> 23 </span> +<span id="L24" class="LineNr"> 24 </span><span class="Delimiter">:(scenario entry_label)</span> +<span id="L25" class="LineNr"> 25 </span>== <span class="Constant">0x1</span> +<span id="L26" class="LineNr"> 26 </span><span class="PreProc">0</span><span class="Constant">5</span> <span class="Constant">0x0d0c0b0a</span>/imm32 +<span id="L27" class="LineNr"> 27 </span><span class="Special">Entry</span>: +<span id="L28" class="LineNr"> 28 </span><span class="PreProc">0</span><span class="Constant">5</span> <span class="Constant">0x0d0c0b0a</span>/imm32 +<span id="L29" class="LineNr"> 29 </span><span class="traceContains">+run: inst: 0x00000006</span> +<span id="L30" class="LineNr"> 30 </span><span class="traceAbsent">-run: inst: 0x00000001</span> +<span id="L31" class="LineNr"> 31 </span> +<span id="L32" class="LineNr"> 32 </span><span class="Delimiter">:(before "End Globals")</span> +<span id="L33" class="LineNr"> 33 </span><span class="Normal">uint32_t</span> <span class="Special">Entry_address</span> = <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L34" class="LineNr"> 34 </span><span class="Delimiter">:(before "End Reset")</span> +<span id="L35" class="LineNr"> 35 </span><span class="Special">Entry_address</span> = <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L36" class="LineNr"> 36 </span><span class="Delimiter">:(before "End Initialize EIP")</span> +<span id="L37" class="LineNr"> 37 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Entry_address</span><span class="Delimiter">)</span> EIP = <span class="Special">Entry_address</span><span class="Delimiter">;</span> +<span id="L38" class="LineNr"> 38 </span><span class="Delimiter">:(after "Override e_entry")</span> +<span id="L39" class="LineNr"> 39 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Entry_address</span><span class="Delimiter">)</span> <a href='035labels.cc.html#L39'>e_entry</a> = <span class="Special">Entry_address</span><span class="Delimiter">;</span> +<span id="L40" class="LineNr"> 40 </span> +<span id="L41" class="LineNr"> 41 </span><span class="Delimiter">:(before "End looks_like_hex_int(s) Detectors")</span> +<span id="L42" class="LineNr"> 42 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">)</span> == <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> +<span id="L43" class="LineNr"> 43 </span> +<span id="L44" class="LineNr"> 44 </span><span class="Delimiter">:(scenarios transform)</span> +<span id="L45" class="LineNr"> 45 </span><span class="Delimiter">:(scenario pack_immediate_ignores_single_byte_nondigit_operand)</span> +<span id="L46" class="LineNr"> 46 </span><span class="Special">% Hide_errors = true;</span> +<span id="L47" class="LineNr"> 47 </span>== <span class="Constant">0x1</span> +<span id="L48" class="LineNr"> 48 </span>b9/copy a/imm32 +<span id="L49" class="LineNr"> 49 </span><span class="traceContains">+transform: packing instruction 'b9/copy a/imm32'</span> +<span id="L50" class="LineNr"> 50 </span><span class="Comment"># no change (we're just not printing metadata to the trace)</span> +<span id="L51" class="LineNr"> 51 </span><span class="traceContains">+transform: instruction after packing: 'b9 a'</span> +<span id="L52" class="LineNr"> 52 </span> +<span id="L53" class="LineNr"> 53 </span><span class="Delimiter">:(scenario pack_immediate_ignores_3_hex_digit_operand)</span> +<span id="L54" class="LineNr"> 54 </span><span class="Special">% Hide_errors = true;</span> +<span id="L55" class="LineNr"> 55 </span>== <span class="Constant">0x1</span> +<span id="L56" class="LineNr"> 56 </span>b9/copy aaa/imm32 +<span id="L57" class="LineNr"> 57 </span><span class="traceContains">+transform: packing instruction 'b9/copy aaa/imm32'</span> +<span id="L58" class="LineNr"> 58 </span><span class="Comment"># no change (we're just not printing metadata to the trace)</span> +<span id="L59" class="LineNr"> 59 </span><span class="traceContains">+transform: instruction after packing: 'b9 aaa'</span> +<span id="L60" class="LineNr"> 60 </span> +<span id="L61" class="LineNr"> 61 </span><span class="Delimiter">:(scenario pack_immediate_ignores_non_hex_operand)</span> +<span id="L62" class="LineNr"> 62 </span><span class="Special">% Hide_errors = true;</span> +<span id="L63" class="LineNr"> 63 </span>== <span class="Constant">0x1</span> +<span id="L64" class="LineNr"> 64 </span>b9/copy xxx/imm32 +<span id="L65" class="LineNr"> 65 </span><span class="traceContains">+transform: packing instruction 'b9/copy xxx/imm32'</span> +<span id="L66" class="LineNr"> 66 </span><span class="Comment"># no change (we're just not printing metadata to the trace)</span> +<span id="L67" class="LineNr"> 67 </span><span class="traceContains">+transform: instruction after packing: 'b9 xxx'</span> <span id="L68" class="LineNr"> 68 </span> -<span id="L69" class="LineNr"> 69 </span><span class="Comment">//: Now that that's done, let's start using names as labels.</span> -<span id="L70" class="LineNr"> 70 </span> -<span id="L71" class="LineNr"> 71 </span><span class="Delimiter">:(scenario map_label)</span> -<span id="L72" class="LineNr"> 72 </span>== <span class="Constant">0x1</span> -<span id="L73" class="LineNr"> 73 </span><span class="Normal">loop</span>: -<span id="L74" class="LineNr"> 74 </span> <span class="PreProc">0</span><span class="Constant">5</span> <span class="Constant">0x0d0c0b0a</span>/imm32 -<span id="L75" class="LineNr"> 75 </span><span class="traceContains">+transform: label 'loop' is at address 1</span> -<span id="L76" class="LineNr"> 76 </span> -<span id="L77" class="LineNr"> 77 </span><span class="Delimiter">:(before "End Level-2 Transforms")</span> -<span id="L78" class="LineNr"> 78 </span><span class="Special"><a href='011run.cc.html#L229'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='035labels.cc.html#L80'>rewrite_labels</a><span class="Delimiter">);</span> -<span id="L79" class="LineNr"> 79 </span><span class="Delimiter">:(code)</span> -<span id="L80" class="LineNr"> 80 </span><span class="Normal">void</span> <a href='035labels.cc.html#L80'>rewrite_labels</a><span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L81" class="LineNr"> 81 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"-- rewrite labels"</span> << end<span class="Delimiter">();</span> -<span id="L82" class="LineNr"> 82 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L83" class="LineNr"> 83 </span> segment& <a href='031check_operands.cc.html#L11'>code</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> -<span id="L84" class="LineNr"> 84 </span> map<string<span class="Delimiter">,</span> <span class="Normal">int32_t</span>> byte_index<span class="Delimiter">;</span> <span class="Comment">// values are unsigned, but we're going to do subtractions on them so they need to fit in 31 bits</span> -<span id="L85" class="LineNr"> 85 </span> <a href='035labels.cc.html#L92'>compute_byte_indices_for_labels</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">,</span> byte_index<span class="Delimiter">);</span> -<span id="L86" class="LineNr"> 86 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L87" class="LineNr"> 87 </span> <a href='035labels.cc.html#L157'>drop_labels</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">);</span> -<span id="L88" class="LineNr"> 88 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L89" class="LineNr"> 89 </span> <a href='035labels.cc.html#L169'>replace_labels_with_displacements</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">,</span> byte_index<span class="Delimiter">);</span> -<span id="L90" class="LineNr"> 90 </span><span class="Delimiter">}</span> -<span id="L91" class="LineNr"> 91 </span> -<span id="L92" class="LineNr"> 92 </span><span class="Normal">void</span> <a href='035labels.cc.html#L92'>compute_byte_indices_for_labels</a><span class="Delimiter">(</span><span class="Normal">const</span> segment& <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> <span class="Normal">int32_t</span>>& byte_index<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L93" class="LineNr"> 93 </span> <span class="Normal">int</span> current_byte = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L94" class="LineNr"> 94 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L95" class="LineNr"> 95 </span> <span class="Normal">const</span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L96" class="LineNr"> 96 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L97" class="LineNr"> 97 </span> <span class="Normal">const</span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> -<span id="L98" class="LineNr"> 98 </span> <span class="Comment">// hack: if we have any operand metadata left after previous transforms,</span> -<span id="L99" class="LineNr"> 99 </span> <span class="Comment">// deduce its size</span> -<span id="L100" class="LineNr">100 </span> <span class="Comment">// Maybe we should just move this transform to before instruction</span> -<span id="L101" class="LineNr">101 </span> <span class="Comment">// packing, and deduce the size of *all* operands. But then we'll also</span> -<span id="L102" class="LineNr">102 </span> <span class="Comment">// have to deal with bitfields.</span> -<span id="L103" class="LineNr">103 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp32"</span><span class="Delimiter">)</span> || has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"imm32"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L104" class="LineNr">104 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>*curr<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> == <span class="Constant">':'</span><span class="Delimiter">)</span> -<span id="L105" class="LineNr">105 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': don't use ':' when jumping to labels\n"</span> << end<span class="Delimiter">();</span> -<span id="L106" class="LineNr">106 </span> current_byte += <span class="Constant">4</span><span class="Delimiter">;</span> -<span id="L107" class="LineNr">107 </span> <span class="Delimiter">}</span> -<span id="L108" class="LineNr">108 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp16"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L109" class="LineNr">109 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>*curr<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> == <span class="Constant">':'</span><span class="Delimiter">)</span> -<span id="L110" class="LineNr">110 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': don't use ':' when jumping to labels\n"</span> << end<span class="Delimiter">();</span> -<span id="L111" class="LineNr">111 </span> current_byte += <span class="Constant">2</span><span class="Delimiter">;</span> -<span id="L112" class="LineNr">112 </span> <span class="Delimiter">}</span> -<span id="L113" class="LineNr">113 </span> <span class="Comment">// automatically handle /disp8 and /imm8 here</span> -<span id="L114" class="LineNr">114 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>*curr<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> != <span class="Constant">':'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L115" class="LineNr">115 </span> ++current_byte<span class="Delimiter">;</span> -<span id="L116" class="LineNr">116 </span> <span class="Delimiter">}</span> -<span id="L117" class="LineNr">117 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> -<span id="L118" class="LineNr">118 </span> string label = <a href='035labels.cc.html#L213'>drop_last</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> -<span id="L119" class="LineNr">119 </span> <span class="Comment">// ensure labels look sufficiently different from raw hex</span> -<span id="L120" class="LineNr">120 </span> <a href='035labels.cc.html#L52'>check_valid_name</a><span class="Delimiter">(</span>label<span class="Delimiter">);</span> -<span id="L121" class="LineNr">121 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L122" class="LineNr">122 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L396'>contains_any_operand_metadata</a><span class="Delimiter">(</span>curr<span class="Delimiter">))</span> -<span id="L123" class="LineNr">123 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': label definition (':') not allowed in operand\n"</span> << end<span class="Delimiter">();</span> -<span id="L124" class="LineNr">124 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>j > <span class="Constant">0</span><span class="Delimiter">)</span> -<span id="L125" class="LineNr">125 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': labels can only be the first <a href='011run.cc.html#L123'>word</a> in a line.\n"</span> << end<span class="Delimiter">();</span> -<span id="L126" class="LineNr">126 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='035labels.cc.html#L142'>Map_file</a></span><span class="Delimiter">.</span>is_open<span class="Delimiter">())</span> -<span id="L127" class="LineNr">127 </span> <span class="Special"><a href='035labels.cc.html#L142'>Map_file</a></span> << <span class="Constant">"0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << <span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span>start + current_byte<span class="Delimiter">)</span> << <span class="Constant">' '</span> << label << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> -<span id="L128" class="LineNr">128 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L256'>contains_key</a><span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> label<span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L129" class="LineNr">129 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"duplicate label '"</span> << label << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> -<span id="L130" class="LineNr">130 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L131" class="LineNr">131 </span> <span class="Delimiter">}</span> -<span id="L132" class="LineNr">132 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> label<span class="Delimiter">,</span> current_byte<span class="Delimiter">);</span> -<span id="L133" class="LineNr">133 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"label '"</span> << label << <span class="Constant">"' is at address "</span> << <span class="Delimiter">(</span>current_byte+code<span class="Delimiter">.</span>start<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L134" class="LineNr">134 </span> <span class="Comment">// no modifying current_byte; label definitions won't be in the final binary</span> -<span id="L135" class="LineNr">135 </span> <span class="Delimiter">}</span> -<span id="L136" class="LineNr">136 </span> <span class="Delimiter">}</span> -<span id="L137" class="LineNr">137 </span> <span class="Delimiter">}</span> -<span id="L138" class="LineNr">138 </span><span class="Delimiter">}</span> -<span id="L139" class="LineNr">139 </span> -<span id="L140" class="LineNr">140 </span><span class="Delimiter">:(before "End Globals")</span> -<span id="L141" class="LineNr">141 </span><span class="Normal">bool</span> <span class="Special"><a href='035labels.cc.html#L141'>Dump_map</a></span> =<span class="Constant"> false</span><span class="Delimiter">;</span> <span class="Comment">// currently used only by 'subx translate'</span> -<span id="L142" class="LineNr">142 </span>ofstream <span class="Special"><a href='035labels.cc.html#L142'>Map_file</a></span><span class="Delimiter">;</span> -<span id="L143" class="LineNr">143 </span><span class="Delimiter">:(before "End Commandline Options")</span> -<span id="L144" class="LineNr">144 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L98'>is_equal</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">"--map"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L145" class="LineNr">145 </span> <span class="Special"><a href='035labels.cc.html#L141'>Dump_map</a></span> =<span class="Constant"> true</span><span class="Delimiter">;</span> -<span id="L146" class="LineNr">146 </span> <span class="Comment">// End --map Settings</span> -<span id="L147" class="LineNr">147 </span><span class="Delimiter">}</span> -<span id="L148" class="LineNr">148 </span><span class="Comment">//: wait to open "map" for writing until we're sure we aren't trying to read it</span> -<span id="L149" class="LineNr">149 </span><span class="Delimiter">:(after "Begin subx translate")</span> -<span id="L150" class="LineNr">150 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='035labels.cc.html#L141'>Dump_map</a></span><span class="Delimiter">)</span> -<span id="L151" class="LineNr">151 </span> <span class="Special"><a href='035labels.cc.html#L142'>Map_file</a></span><span class="Delimiter">.</span>open<span class="Delimiter">(</span><span class="Constant">"map"</span><span class="Delimiter">);</span> -<span id="L152" class="LineNr">152 </span><span class="Delimiter">:(before "End subx translate")</span> -<span id="L153" class="LineNr">153 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='035labels.cc.html#L141'>Dump_map</a></span><span class="Delimiter">)</span> -<span id="L154" class="LineNr">154 </span> <span class="Special"><a href='035labels.cc.html#L142'>Map_file</a></span><span class="Delimiter">.</span>close<span class="Delimiter">();</span> -<span id="L155" class="LineNr">155 </span> -<span id="L156" class="LineNr">156 </span><span class="Delimiter">:(code)</span> -<span id="L157" class="LineNr">157 </span><span class="Normal">void</span> <a href='035labels.cc.html#L157'>drop_labels</a><span class="Delimiter">(</span>segment& <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L158" class="LineNr">158 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L159" class="LineNr">159 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L160" class="LineNr">160 </span> vector<word>::iterator new_end = remove_if<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>end<span class="Delimiter">(),</span> <a href='035labels.cc.html#L165'>is_label</a><span class="Delimiter">);</span> -<span id="L161" class="LineNr">161 </span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>erase<span class="Delimiter">(</span>new_end<span class="Delimiter">,</span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>end<span class="Delimiter">());</span> -<span id="L162" class="LineNr">162 </span> <span class="Delimiter">}</span> -<span id="L163" class="LineNr">163 </span><span class="Delimiter">}</span> -<span id="L164" class="LineNr">164 </span> -<span id="L165" class="LineNr">165 </span><span class="Normal">bool</span> <a href='035labels.cc.html#L165'>is_label</a><span class="Delimiter">(</span><span class="Normal">const</span> word& w<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L166" class="LineNr">166 </span> <span class="Identifier">return</span> *w<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> == <span class="Constant">':'</span><span class="Delimiter">;</span> -<span id="L167" class="LineNr">167 </span><span class="Delimiter">}</span> -<span id="L168" class="LineNr">168 </span> -<span id="L169" class="LineNr">169 </span><span class="Normal">void</span> <a href='035labels.cc.html#L169'>replace_labels_with_displacements</a><span class="Delimiter">(</span>segment& <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">,</span> <span class="Normal">const</span> map<string<span class="Delimiter">,</span> <span class="Normal">int32_t</span>>& byte_index<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L170" class="LineNr">170 </span> <span class="Normal">int32_t</span> byte_index_next_instruction_starts_at = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L171" class="LineNr">171 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L172" class="LineNr">172 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L173" class="LineNr">173 </span> byte_index_next_instruction_starts_at += <a href='034compute_segment_address.cc.html#L112'>num_bytes</a><span class="Delimiter">(</span>inst<span class="Delimiter">);</span> -<span id="L174" class="LineNr">174 </span> <a href='011run.cc.html#L117'>line</a> new_inst<span class="Delimiter">;</span> -<span id="L175" class="LineNr">175 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L176" class="LineNr">176 </span> <span class="Normal">const</span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> -<span id="L177" class="LineNr">177 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L256'>contains_key</a><span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L178" class="LineNr">178 </span> <span class="Normal">int32_t</span> displacement = <span class="Normal">static_cast</span><<span class="Normal">int32_t</span>><span class="Delimiter">(</span>get<span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">))</span> - byte_index_next_instruction_starts_at<span class="Delimiter">;</span> -<span id="L179" class="LineNr">179 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp8"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L180" class="LineNr">180 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>displacement > <span class="Constant">0xff</span> || displacement < -<span class="Constant">0x7f</span><span class="Delimiter">)</span> -<span id="L181" class="LineNr">181 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': label too far away for displacement "</span> << std::hex << displacement << <span class="Constant">" to fit in 8 bits\n"</span> << end<span class="Delimiter">();</span> -<span id="L182" class="LineNr">182 </span> <span class="Normal">else</span> -<span id="L183" class="LineNr">183 </span> emit_hex_bytes<span class="Delimiter">(</span>new_inst<span class="Delimiter">,</span> displacement<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> -<span id="L184" class="LineNr">184 </span> <span class="Delimiter">}</span> -<span id="L185" class="LineNr">185 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp16"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L186" class="LineNr">186 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>displacement > <span class="Constant">0xffff</span> || displacement < -<span class="Constant">0x7fff</span><span class="Delimiter">)</span> -<span id="L187" class="LineNr">187 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': label too far away for displacement "</span> << std::hex << displacement << <span class="Constant">" to fit in 16 bits\n"</span> << end<span class="Delimiter">();</span> -<span id="L188" class="LineNr">188 </span> <span class="Normal">else</span> -<span id="L189" class="LineNr">189 </span> emit_hex_bytes<span class="Delimiter">(</span>new_inst<span class="Delimiter">,</span> displacement<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span> -<span id="L190" class="LineNr">190 </span> <span class="Delimiter">}</span> -<span id="L191" class="LineNr">191 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp32"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L192" class="LineNr">192 </span> emit_hex_bytes<span class="Delimiter">(</span>new_inst<span class="Delimiter">,</span> displacement<span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">);</span> -<span id="L193" class="LineNr">193 </span> <span class="Delimiter">}</span> -<span id="L194" class="LineNr">194 </span> <span class="Delimiter">}</span> -<span id="L195" class="LineNr">195 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> -<span id="L196" class="LineNr">196 </span> new_inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> -<span id="L197" class="LineNr">197 </span> <span class="Delimiter">}</span> -<span id="L198" class="LineNr">198 </span> <span class="Delimiter">}</span> -<span id="L199" class="LineNr">199 </span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>new_inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> -<span id="L200" class="LineNr">200 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"instruction after <a href='011run.cc.html#L231'>transform</a>: '"</span> << data_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> -<span id="L201" class="LineNr">201 </span> <span class="Delimiter">}</span> -<span id="L202" class="LineNr">202 </span><span class="Delimiter">}</span> -<span id="L203" class="LineNr">203 </span> -<span id="L204" class="LineNr">204 </span>string <a href='035labels.cc.html#L204'>data_to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L205" class="LineNr">205 </span> ostringstream out<span class="Delimiter">;</span> -<span id="L206" class="LineNr">206 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L207" class="LineNr">207 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i > <span class="Constant">0</span><span class="Delimiter">)</span> out << <span class="Constant">' '</span><span class="Delimiter">;</span> -<span id="L208" class="LineNr">208 </span> out << inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>data<span class="Delimiter">;</span> -<span id="L209" class="LineNr">209 </span> <span class="Delimiter">}</span> -<span id="L210" class="LineNr">210 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> -<span id="L211" class="LineNr">211 </span><span class="Delimiter">}</span> -<span id="L212" class="LineNr">212 </span> -<span id="L213" class="LineNr">213 </span>string <a href='035labels.cc.html#L213'>drop_last</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L214" class="LineNr">214 </span> <span class="Identifier">return</span> string<span class="Delimiter">(</span>s<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> --s<span class="Delimiter">.</span>end<span class="Delimiter">());</span> -<span id="L215" class="LineNr">215 </span><span class="Delimiter">}</span> -<span id="L216" class="LineNr">216 </span> -<span id="L217" class="LineNr">217 </span><span class="Comment">//: Label definitions must be the first word on a line. No jumping inside</span> -<span id="L218" class="LineNr">218 </span><span class="Comment">//: instructions.</span> -<span id="L219" class="LineNr">219 </span><span class="Comment">//: They should also be the only word on a line.</span> -<span id="L220" class="LineNr">220 </span><span class="Comment">//: However, you can absolutely have multiple labels map to the same address,</span> -<span id="L221" class="LineNr">221 </span><span class="Comment">//: as long as they're on separate lines.</span> -<span id="L222" class="LineNr">222 </span> -<span id="L223" class="LineNr">223 </span><span class="Delimiter">:(scenario multiple_labels_at)</span> -<span id="L224" class="LineNr">224 </span>== <span class="Constant">0x1</span> -<span id="L225" class="LineNr">225 </span><span class="Comment"># address 1</span> -<span id="L226" class="LineNr">226 </span><span class="Normal">loop</span>: -<span id="L227" class="LineNr">227 </span> $loop2: -<span id="L228" class="LineNr">228 </span><span class="Comment"># address 1 (labels take up no space)</span> -<span id="L229" class="LineNr">229 </span> <span class="PreProc">0</span><span class="Constant">5</span> <span class="Constant">0x0d0c0b0a</span>/imm32 -<span id="L230" class="LineNr">230 </span><span class="Comment"># address 6</span> -<span id="L231" class="LineNr">231 </span> eb $loop2/disp8 -<span id="L232" class="LineNr">232 </span><span class="Comment"># address 8</span> -<span id="L233" class="LineNr">233 </span> eb $loop3/disp8 -<span id="L234" class="LineNr">234 </span><span class="Comment"># address 0xa</span> -<span id="L235" class="LineNr">235 </span> $loop3: -<span id="L236" class="LineNr">236 </span><span class="traceContains">+transform: label 'loop' is at address 1</span> -<span id="L237" class="LineNr">237 </span><span class="traceContains">+transform: label '$loop2' is at address 1</span> -<span id="L238" class="LineNr">238 </span><span class="traceContains">+transform: label '$loop3' is at address a</span> -<span id="L239" class="LineNr">239 </span><span class="Comment"># first jump is to -7</span> -<span id="L240" class="LineNr">240 </span><span class="traceContains">+transform: instruction after <a href='011run.cc.html#L231'>transform</a>: 'eb f9'</span> -<span id="L241" class="LineNr">241 </span><span class="Comment"># second jump is to 0 (fall through)</span> -<span id="L242" class="LineNr">242 </span><span class="traceContains">+transform: instruction after <a href='011run.cc.html#L231'>transform</a>: 'eb 00'</span> +<span id="L69" class="LineNr"> 69 </span><span class="Comment">//: a helper we'll find handy later</span> +<span id="L70" class="LineNr"> 70 </span><span class="Delimiter">:(code)</span> +<span id="L71" class="LineNr"> 71 </span><span class="Normal">void</span> <a href='035labels.cc.html#L71'>check_valid_name</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L72" class="LineNr"> 72 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> +<span id="L73" class="LineNr"> 73 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"empty name!\n"</span> << end<span class="Delimiter">();</span> +<span id="L74" class="LineNr"> 74 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L75" class="LineNr"> 75 </span> <span class="Delimiter">}</span> +<span id="L76" class="LineNr"> 76 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'-'</span><span class="Delimiter">)</span> +<span id="L77" class="LineNr"> 77 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << s << <span class="Constant">"' starts with '-', which can be confused with a negative number; use a different name\n"</span> << end<span class="Delimiter">();</span> +<span id="L78" class="LineNr"> 78 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>substr<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">)</span> == <span class="Constant">"0x"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L79" class="LineNr"> 79 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << s << <span class="Constant">"' looks like a hex number; use a different name\n"</span> << end<span class="Delimiter">();</span> +<span id="L80" class="LineNr"> 80 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L81" class="LineNr"> 81 </span> <span class="Delimiter">}</span> +<span id="L82" class="LineNr"> 82 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>isdigit<span class="Delimiter">(</span>s<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> +<span id="L83" class="LineNr"> 83 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << s << <span class="Constant">"' starts with a digit, and so can be confused with a negative number; use a different name.\n"</span> << end<span class="Delimiter">();</span> +<span id="L84" class="LineNr"> 84 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">)</span> == <span class="Constant">2</span><span class="Delimiter">)</span> +<span id="L85" class="LineNr"> 85 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << s << <span class="Constant">"' is two characters long which can look like raw hex bytes at a glance; use a different name\n"</span> << end<span class="Delimiter">();</span> +<span id="L86" class="LineNr"> 86 </span><span class="Delimiter">}</span> +<span id="L87" class="LineNr"> 87 </span> +<span id="L88" class="LineNr"> 88 </span><span class="Comment">//: Now that that's done, let's start using names as labels.</span> +<span id="L89" class="LineNr"> 89 </span> +<span id="L90" class="LineNr"> 90 </span><span class="Delimiter">:(scenario map_label)</span> +<span id="L91" class="LineNr"> 91 </span>== <span class="Constant">0x1</span> +<span id="L92" class="LineNr"> 92 </span><span class="Normal">loop</span>: +<span id="L93" class="LineNr"> 93 </span> <span class="PreProc">0</span><span class="Constant">5</span> <span class="Constant">0x0d0c0b0a</span>/imm32 +<span id="L94" class="LineNr"> 94 </span><span class="traceContains">+transform: label 'loop' is at address 1</span> +<span id="L95" class="LineNr"> 95 </span> +<span id="L96" class="LineNr"> 96 </span><span class="Delimiter">:(before "End Level-2 Transforms")</span> +<span id="L97" class="LineNr"> 97 </span><span class="Special"><a href='011run.cc.html#L225'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='035labels.cc.html#L99'>rewrite_labels</a><span class="Delimiter">);</span> +<span id="L98" class="LineNr"> 98 </span><span class="Delimiter">:(code)</span> +<span id="L99" class="LineNr"> 99 </span><span class="Normal">void</span> <a href='035labels.cc.html#L99'>rewrite_labels</a><span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L100" class="LineNr">100 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"-- rewrite labels"</span> << end<span class="Delimiter">();</span> +<span id="L101" class="LineNr">101 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L102" class="LineNr">102 </span> segment& <a href='031check_operands.cc.html#L11'>code</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> +<span id="L103" class="LineNr">103 </span> map<string<span class="Delimiter">,</span> <span class="Normal">int32_t</span>> byte_index<span class="Delimiter">;</span> <span class="Comment">// values are unsigned, but we're going to do subtractions on them so they need to fit in 31 bits</span> +<span id="L104" class="LineNr">104 </span> <a href='035labels.cc.html#L113'>compute_byte_indices_for_labels</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">,</span> byte_index<span class="Delimiter">);</span> +<span id="L105" class="LineNr">105 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L106" class="LineNr">106 </span> <a href='035labels.cc.html#L178'>drop_labels</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">);</span> +<span id="L107" class="LineNr">107 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L108" class="LineNr">108 </span> <a href='035labels.cc.html#L190'>replace_labels_with_displacements</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">,</span> byte_index<span class="Delimiter">);</span> +<span id="L109" class="LineNr">109 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L256'>contains_key</a><span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> <span class="Constant">"Entry"</span><span class="Delimiter">))</span> +<span id="L110" class="LineNr">110 </span> <span class="Special">Entry_address</span> = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span>start + get<span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> <span class="Constant">"Entry"</span><span class="Delimiter">);</span> +<span id="L111" class="LineNr">111 </span><span class="Delimiter">}</span> +<span id="L112" class="LineNr">112 </span> +<span id="L113" class="LineNr">113 </span><span class="Normal">void</span> <a href='035labels.cc.html#L113'>compute_byte_indices_for_labels</a><span class="Delimiter">(</span><span class="Normal">const</span> segment& <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> <span class="Normal">int32_t</span>>& byte_index<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L114" class="LineNr">114 </span> <span class="Normal">int</span> current_byte = <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L115" class="LineNr">115 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L116" class="LineNr">116 </span> <span class="Normal">const</span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L117" class="LineNr">117 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L118" class="LineNr">118 </span> <span class="Normal">const</span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> +<span id="L119" class="LineNr">119 </span> <span class="Comment">// hack: if we have any operand metadata left after previous transforms,</span> +<span id="L120" class="LineNr">120 </span> <span class="Comment">// deduce its size</span> +<span id="L121" class="LineNr">121 </span> <span class="Comment">// Maybe we should just move this transform to before instruction</span> +<span id="L122" class="LineNr">122 </span> <span class="Comment">// packing, and deduce the size of *all* operands. But then we'll also</span> +<span id="L123" class="LineNr">123 </span> <span class="Comment">// have to deal with bitfields.</span> +<span id="L124" class="LineNr">124 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp32"</span><span class="Delimiter">)</span> || has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"imm32"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L125" class="LineNr">125 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>*curr<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> == <span class="Constant">':'</span><span class="Delimiter">)</span> +<span id="L126" class="LineNr">126 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': don't use ':' when jumping to labels\n"</span> << end<span class="Delimiter">();</span> +<span id="L127" class="LineNr">127 </span> current_byte += <span class="Constant">4</span><span class="Delimiter">;</span> +<span id="L128" class="LineNr">128 </span> <span class="Delimiter">}</span> +<span id="L129" class="LineNr">129 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp16"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L130" class="LineNr">130 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>*curr<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> == <span class="Constant">':'</span><span class="Delimiter">)</span> +<span id="L131" class="LineNr">131 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': don't use ':' when jumping to labels\n"</span> << end<span class="Delimiter">();</span> +<span id="L132" class="LineNr">132 </span> current_byte += <span class="Constant">2</span><span class="Delimiter">;</span> +<span id="L133" class="LineNr">133 </span> <span class="Delimiter">}</span> +<span id="L134" class="LineNr">134 </span> <span class="Comment">// automatically handle /disp8 and /imm8 here</span> +<span id="L135" class="LineNr">135 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>*curr<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> != <span class="Constant">':'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L136" class="LineNr">136 </span> ++current_byte<span class="Delimiter">;</span> +<span id="L137" class="LineNr">137 </span> <span class="Delimiter">}</span> +<span id="L138" class="LineNr">138 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> +<span id="L139" class="LineNr">139 </span> string label = <a href='035labels.cc.html#L234'>drop_last</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> +<span id="L140" class="LineNr">140 </span> <span class="Comment">// ensure labels look sufficiently different from raw hex</span> +<span id="L141" class="LineNr">141 </span> <a href='035labels.cc.html#L71'>check_valid_name</a><span class="Delimiter">(</span>label<span class="Delimiter">);</span> +<span id="L142" class="LineNr">142 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L143" class="LineNr">143 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L396'>contains_any_operand_metadata</a><span class="Delimiter">(</span>curr<span class="Delimiter">))</span> +<span id="L144" class="LineNr">144 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': label definition (':') not allowed in operand\n"</span> << end<span class="Delimiter">();</span> +<span id="L145" class="LineNr">145 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>j > <span class="Constant">0</span><span class="Delimiter">)</span> +<span id="L146" class="LineNr">146 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': labels can only be the first <a href='011run.cc.html#L119'>word</a> in a line.\n"</span> << end<span class="Delimiter">();</span> +<span id="L147" class="LineNr">147 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='035labels.cc.html#L163'>Map_file</a></span><span class="Delimiter">.</span>is_open<span class="Delimiter">())</span> +<span id="L148" class="LineNr">148 </span> <span class="Special"><a href='035labels.cc.html#L163'>Map_file</a></span> << <span class="Constant">"0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << <span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span>start + current_byte<span class="Delimiter">)</span> << <span class="Constant">' '</span> << label << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> +<span id="L149" class="LineNr">149 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L256'>contains_key</a><span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> label<span class="Delimiter">)</span> && label != <span class="Constant">"Entry"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L150" class="LineNr">150 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"duplicate label '"</span> << label << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> +<span id="L151" class="LineNr">151 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L152" class="LineNr">152 </span> <span class="Delimiter">}</span> +<span id="L153" class="LineNr">153 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> label<span class="Delimiter">,</span> current_byte<span class="Delimiter">);</span> +<span id="L154" class="LineNr">154 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"label '"</span> << label << <span class="Constant">"' is at address "</span> << <span class="Delimiter">(</span>current_byte+code<span class="Delimiter">.</span>start<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> +<span id="L155" class="LineNr">155 </span> <span class="Comment">// no modifying current_byte; label definitions won't be in the final binary</span> +<span id="L156" class="LineNr">156 </span> <span class="Delimiter">}</span> +<span id="L157" class="LineNr">157 </span> <span class="Delimiter">}</span> +<span id="L158" class="LineNr">158 </span> <span class="Delimiter">}</span> +<span id="L159" class="LineNr">159 </span><span class="Delimiter">}</span> +<span id="L160" class="LineNr">160 </span> +<span id="L161" class="LineNr">161 </span><span class="Delimiter">:(before "End Globals")</span> +<span id="L162" class="LineNr">162 </span><span class="Normal">bool</span> <span class="Special"><a href='035labels.cc.html#L162'>Dump_map</a></span> =<span class="Constant"> false</span><span class="Delimiter">;</span> <span class="Comment">// currently used only by 'subx translate'</span> +<span id="L163" class="LineNr">163 </span>ofstream <span class="Special"><a href='035labels.cc.html#L163'>Map_file</a></span><span class="Delimiter">;</span> +<span id="L164" class="LineNr">164 </span><span class="Delimiter">:(before "End Commandline Options")</span> +<span id="L165" class="LineNr">165 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L98'>is_equal</a><span class="Delimiter">(</span>*arg<span class="Delimiter">,</span> <span class="Constant">"--map"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L166" class="LineNr">166 </span> <span class="Special"><a href='035labels.cc.html#L162'>Dump_map</a></span> =<span class="Constant"> true</span><span class="Delimiter">;</span> +<span id="L167" class="LineNr">167 </span> <span class="Comment">// End --map Settings</span> +<span id="L168" class="LineNr">168 </span><span class="Delimiter">}</span> +<span id="L169" class="LineNr">169 </span><span class="Comment">//: wait to open "map" for writing until we're sure we aren't trying to read it</span> +<span id="L170" class="LineNr">170 </span><span class="Delimiter">:(after "Begin subx translate")</span> +<span id="L171" class="LineNr">171 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='035labels.cc.html#L162'>Dump_map</a></span><span class="Delimiter">)</span> +<span id="L172" class="LineNr">172 </span> <span class="Special"><a href='035labels.cc.html#L163'>Map_file</a></span><span class="Delimiter">.</span>open<span class="Delimiter">(</span><span class="Constant">"map"</span><span class="Delimiter">);</span> +<span id="L173" class="LineNr">173 </span><span class="Delimiter">:(before "End subx translate")</span> +<span id="L174" class="LineNr">174 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='035labels.cc.html#L162'>Dump_map</a></span><span class="Delimiter">)</span> +<span id="L175" class="LineNr">175 </span> <span class="Special"><a href='035labels.cc.html#L163'>Map_file</a></span><span class="Delimiter">.</span>close<span class="Delimiter">();</span> +<span id="L176" class="LineNr">176 </span> +<span id="L177" class="LineNr">177 </span><span class="Delimiter">:(code)</span> +<span id="L178" class="LineNr">178 </span><span class="Normal">void</span> <a href='035labels.cc.html#L178'>drop_labels</a><span class="Delimiter">(</span>segment& <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L179" class="LineNr">179 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L180" class="LineNr">180 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L181" class="LineNr">181 </span> vector<word>::iterator new_end = remove_if<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>end<span class="Delimiter">(),</span> <a href='035labels.cc.html#L186'>is_label</a><span class="Delimiter">);</span> +<span id="L182" class="LineNr">182 </span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>erase<span class="Delimiter">(</span>new_end<span class="Delimiter">,</span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>end<span class="Delimiter">());</span> +<span id="L183" class="LineNr">183 </span> <span class="Delimiter">}</span> +<span id="L184" class="LineNr">184 </span><span class="Delimiter">}</span> +<span id="L185" class="LineNr">185 </span> +<span id="L186" class="LineNr">186 </span><span class="Normal">bool</span> <a href='035labels.cc.html#L186'>is_label</a><span class="Delimiter">(</span><span class="Normal">const</span> word& w<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L187" class="LineNr">187 </span> <span class="Identifier">return</span> *w<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> == <span class="Constant">':'</span><span class="Delimiter">;</span> +<span id="L188" class="LineNr">188 </span><span class="Delimiter">}</span> +<span id="L189" class="LineNr">189 </span> +<span id="L190" class="LineNr">190 </span><span class="Normal">void</span> <a href='035labels.cc.html#L190'>replace_labels_with_displacements</a><span class="Delimiter">(</span>segment& <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">,</span> <span class="Normal">const</span> map<string<span class="Delimiter">,</span> <span class="Normal">int32_t</span>>& byte_index<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L191" class="LineNr">191 </span> <span class="Normal">int32_t</span> byte_index_next_instruction_starts_at = <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L192" class="LineNr">192 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L193" class="LineNr">193 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L194" class="LineNr">194 </span> byte_index_next_instruction_starts_at += <a href='034compute_segment_address.cc.html#L131'>num_bytes</a><span class="Delimiter">(</span>inst<span class="Delimiter">);</span> +<span id="L195" class="LineNr">195 </span> <a href='011run.cc.html#L113'>line</a> new_inst<span class="Delimiter">;</span> +<span id="L196" class="LineNr">196 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L197" class="LineNr">197 </span> <span class="Normal">const</span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> +<span id="L198" class="LineNr">198 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L256'>contains_key</a><span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L199" class="LineNr">199 </span> <span class="Normal">int32_t</span> displacement = <span class="Normal">static_cast</span><<span class="Normal">int32_t</span>><span class="Delimiter">(</span>get<span class="Delimiter">(</span>byte_index<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">))</span> - byte_index_next_instruction_starts_at<span class="Delimiter">;</span> +<span id="L200" class="LineNr">200 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp8"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L201" class="LineNr">201 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>displacement > <span class="Constant">0xff</span> || displacement < -<span class="Constant">0x7f</span><span class="Delimiter">)</span> +<span id="L202" class="LineNr">202 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': label too far away for displacement "</span> << std::hex << displacement << <span class="Constant">" to fit in 8 bits\n"</span> << end<span class="Delimiter">();</span> +<span id="L203" class="LineNr">203 </span> <span class="Normal">else</span> +<span id="L204" class="LineNr">204 </span> emit_hex_bytes<span class="Delimiter">(</span>new_inst<span class="Delimiter">,</span> displacement<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> +<span id="L205" class="LineNr">205 </span> <span class="Delimiter">}</span> +<span id="L206" class="LineNr">206 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp16"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L207" class="LineNr">207 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>displacement > <span class="Constant">0xffff</span> || displacement < -<span class="Constant">0x7fff</span><span class="Delimiter">)</span> +<span id="L208" class="LineNr">208 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': label too far away for displacement "</span> << std::hex << displacement << <span class="Constant">" to fit in 16 bits\n"</span> << end<span class="Delimiter">();</span> +<span id="L209" class="LineNr">209 </span> <span class="Normal">else</span> +<span id="L210" class="LineNr">210 </span> emit_hex_bytes<span class="Delimiter">(</span>new_inst<span class="Delimiter">,</span> displacement<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span> +<span id="L211" class="LineNr">211 </span> <span class="Delimiter">}</span> +<span id="L212" class="LineNr">212 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp32"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L213" class="LineNr">213 </span> emit_hex_bytes<span class="Delimiter">(</span>new_inst<span class="Delimiter">,</span> displacement<span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">);</span> +<span id="L214" class="LineNr">214 </span> <span class="Delimiter">}</span> +<span id="L215" class="LineNr">215 </span> <span class="Delimiter">}</span> +<span id="L216" class="LineNr">216 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> +<span id="L217" class="LineNr">217 </span> new_inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> +<span id="L218" class="LineNr">218 </span> <span class="Delimiter">}</span> +<span id="L219" class="LineNr">219 </span> <span class="Delimiter">}</span> +<span id="L220" class="LineNr">220 </span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>new_inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> +<span id="L221" class="LineNr">221 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"instruction after <a href='011run.cc.html#L228'>transform</a>: '"</span> << data_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> +<span id="L222" class="LineNr">222 </span> <span class="Delimiter">}</span> +<span id="L223" class="LineNr">223 </span><span class="Delimiter">}</span> +<span id="L224" class="LineNr">224 </span> +<span id="L225" class="LineNr">225 </span>string <a href='035labels.cc.html#L225'>data_to_string</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L226" class="LineNr">226 </span> ostringstream out<span class="Delimiter">;</span> +<span id="L227" class="LineNr">227 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L228" class="LineNr">228 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i > <span class="Constant">0</span><span class="Delimiter">)</span> out << <span class="Constant">' '</span><span class="Delimiter">;</span> +<span id="L229" class="LineNr">229 </span> out << inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>data<span class="Delimiter">;</span> +<span id="L230" class="LineNr">230 </span> <span class="Delimiter">}</span> +<span id="L231" class="LineNr">231 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> +<span id="L232" class="LineNr">232 </span><span class="Delimiter">}</span> +<span id="L233" class="LineNr">233 </span> +<span id="L234" class="LineNr">234 </span>string <a href='035labels.cc.html#L234'>drop_last</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L235" class="LineNr">235 </span> <span class="Identifier">return</span> string<span class="Delimiter">(</span>s<span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> --s<span class="Delimiter">.</span>end<span class="Delimiter">());</span> +<span id="L236" class="LineNr">236 </span><span class="Delimiter">}</span> +<span id="L237" class="LineNr">237 </span> +<span id="L238" class="LineNr">238 </span><span class="Comment">//: Label definitions must be the first word on a line. No jumping inside</span> +<span id="L239" class="LineNr">239 </span><span class="Comment">//: instructions.</span> +<span id="L240" class="LineNr">240 </span><span class="Comment">//: They should also be the only word on a line.</span> +<span id="L241" class="LineNr">241 </span><span class="Comment">//: However, you can absolutely have multiple labels map to the same address,</span> +<span id="L242" class="LineNr">242 </span><span class="Comment">//: as long as they're on separate lines.</span> <span id="L243" class="LineNr">243 </span> -<span id="L244" class="LineNr">244 </span><span class="Delimiter">:(scenario duplicate_label)</span> -<span id="L245" class="LineNr">245 </span><span class="Special">% Hide_errors = true;</span> -<span id="L246" class="LineNr">246 </span>== <span class="Constant">0x1</span> +<span id="L244" class="LineNr">244 </span><span class="Delimiter">:(scenario multiple_labels_at)</span> +<span id="L245" class="LineNr">245 </span>== <span class="Constant">0x1</span> +<span id="L246" class="LineNr">246 </span><span class="Comment"># address 1</span> <span id="L247" class="LineNr">247 </span><span class="Normal">loop</span>: -<span id="L248" class="LineNr">248 </span><span class="Normal">loop</span>: -<span id="L249" class="LineNr">249 </span> <span class="PreProc">0</span><span class="Constant">5</span> <span class="Constant">0x0d0c0b0a</span>/imm32 -<span id="L250" class="LineNr">250 </span><span class="traceContains">+error: duplicate label 'loop'</span> -<span id="L251" class="LineNr">251 </span> -<span id="L252" class="LineNr">252 </span><span class="Delimiter">:(scenario label_too_short)</span> -<span id="L253" class="LineNr">253 </span><span class="Special">% Hide_errors = true;</span> -<span id="L254" class="LineNr">254 </span>== <span class="Constant">0x1</span> -<span id="L255" class="LineNr">255 </span><span class="Normal">xz</span>: -<span id="L256" class="LineNr">256 </span> <span class="PreProc">0</span><span class="Constant">5</span> <span class="Constant">0x0d0c0b0a</span>/imm32 -<span id="L257" class="LineNr">257 </span><span class="traceContains">+error: 'xz' is two characters long which can look like raw hex bytes at a glance; use a different name</span> -<span id="L258" class="LineNr">258 </span> -<span id="L259" class="LineNr">259 </span><span class="Delimiter">:(scenario label_hex)</span> -<span id="L260" class="LineNr">260 </span><span class="Special">% Hide_errors = true;</span> -<span id="L261" class="LineNr">261 </span>== <span class="Constant">0x1</span> -<span id="L262" class="LineNr">262 </span><span class="Constant">0xab</span>: -<span id="L263" class="LineNr">263 </span> <span class="PreProc">0</span><span class="Constant">5</span> <span class="Constant">0x0d0c0b0a</span>/imm32 -<span id="L264" class="LineNr">264 </span><span class="traceContains">+error: '0xab' looks like a hex number; use a different name</span> -<span id="L265" class="LineNr">265 </span> -<span id="L266" class="LineNr">266 </span><span class="Delimiter">:(scenario label_negative_hex)</span> -<span id="L267" class="LineNr">267 </span><span class="Special">% Hide_errors = true;</span> -<span id="L268" class="LineNr">268 </span>== <span class="Constant">0x1</span> -<span id="L269" class="LineNr">269 </span> -a: <span class="Comment"># indent to avoid looking like a trace_should_not_contain command for this scenario</span> +<span id="L248" class="LineNr">248 </span> $loop2: +<span id="L249" class="LineNr">249 </span><span class="Comment"># address 1 (labels take up no space)</span> +<span id="L250" class="LineNr">250 </span> <span class="PreProc">0</span><span class="Constant">5</span> <span class="Constant">0x0d0c0b0a</span>/imm32 +<span id="L251" class="LineNr">251 </span><span class="Comment"># address 6</span> +<span id="L252" class="LineNr">252 </span> eb $loop2/disp8 +<span id="L253" class="LineNr">253 </span><span class="Comment"># address 8</span> +<span id="L254" class="LineNr">254 </span> eb $loop3/disp8 +<span id="L255" class="LineNr">255 </span><span class="Comment"># address 0xa</span> +<span id="L256" class="LineNr">256 </span> $loop3: +<span id="L257" class="LineNr">257 </span><span class="traceContains">+transform: label 'loop' is at address 1</span> +<span id="L258" class="LineNr">258 </span><span class="traceContains">+transform: label '$loop2' is at address 1</span> +<span id="L259" class="LineNr">259 </span><span class="traceContains">+transform: label '$loop3' is at address a</span> +<span id="L260" class="LineNr">260 </span><span class="Comment"># first jump is to -7</span> +<span id="L261" class="LineNr">261 </span><span class="traceContains">+transform: instruction after <a href='011run.cc.html#L228'>transform</a>: 'eb f9'</span> +<span id="L262" class="LineNr">262 </span><span class="Comment"># second jump is to 0 (fall through)</span> +<span id="L263" class="LineNr">263 </span><span class="traceContains">+transform: instruction after <a href='011run.cc.html#L228'>transform</a>: 'eb 00'</span> +<span id="L264" class="LineNr">264 </span> +<span id="L265" class="LineNr">265 </span><span class="Delimiter">:(scenario duplicate_label)</span> +<span id="L266" class="LineNr">266 </span><span class="Special">% Hide_errors = true;</span> +<span id="L267" class="LineNr">267 </span>== <span class="Constant">0x1</span> +<span id="L268" class="LineNr">268 </span><span class="Normal">loop</span>: +<span id="L269" class="LineNr">269 </span><span class="Normal">loop</span>: <span id="L270" class="LineNr">270 </span> <span class="PreProc">0</span><span class="Constant">5</span> <span class="Constant">0x0d0c0b0a</span>/imm32 -<span id="L271" class="LineNr">271 </span><span class="traceContains">+error: '-a' starts with '-', which can be confused with a negative number; use a different name</span> +<span id="L271" class="LineNr">271 </span><span class="traceContains">+error: duplicate label 'loop'</span> <span id="L272" class="LineNr">272 </span> -<span id="L273" class="LineNr">273 </span><span class="Comment">//: now that we have labels, we need to adjust segment size computation to</span> -<span id="L274" class="LineNr">274 </span><span class="Comment">//: ignore them.</span> -<span id="L275" class="LineNr">275 </span> -<span id="L276" class="LineNr">276 </span><span class="Delimiter">:(scenario segment_size_ignores_labels)</span> -<span id="L277" class="LineNr">277 </span>== <a href='031check_operands.cc.html#L11'>code</a> <span class="Comment"># 0x09000074</span> -<span id="L278" class="LineNr">278 </span> <span class="PreProc">0</span><span class="Constant">5</span>/add <span class="Constant">0x0d0c0b0a</span>/imm32 <span class="Comment"># 5 bytes</span> -<span id="L279" class="LineNr">279 </span><span class="Normal">foo</span>: <span class="Comment"># 0 bytes</span> -<span id="L280" class="LineNr">280 </span>== data <span class="Comment"># 0x0a000079</span> -<span id="L281" class="LineNr">281 </span><span class="Normal">bar</span>: -<span id="L282" class="LineNr">282 </span> <span class="PreProc">0</span><span class="Constant">0</span> -<span id="L283" class="LineNr">283 </span><span class="traceContains">+transform: segment 1 begins at address 0x0a000079</span> -<span id="L284" class="LineNr">284 </span> -<span id="L285" class="LineNr">285 </span><span class="Delimiter">:(before "End size_of(word w) Special-cases")</span> -<span id="L286" class="LineNr">286 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='035labels.cc.html#L165'>is_label</a><span class="Delimiter">(</span>w<span class="Delimiter">))</span> -<span id="L287" class="LineNr">287 </span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> +<span id="L273" class="LineNr">273 </span><span class="Delimiter">:(scenario label_too_short)</span> +<span id="L274" class="LineNr">274 </span><span class="Special">% Hide_errors = true;</span> +<span id="L275" class="LineNr">275 </span>== <span class="Constant">0x1</span> +<span id="L276" class="LineNr">276 </span><span class="Normal">xz</span>: +<span id="L277" class="LineNr">277 </span> <span class="PreProc">0</span><span class="Constant">5</span> <span class="Constant">0x0d0c0b0a</span>/imm32 +<span id="L278" class="LineNr">278 </span><span class="traceContains">+error: 'xz' is two characters long which can look like raw hex bytes at a glance; use a different name</span> +<span id="L279" class="LineNr">279 </span> +<span id="L280" class="LineNr">280 </span><span class="Delimiter">:(scenario label_hex)</span> +<span id="L281" class="LineNr">281 </span><span class="Special">% Hide_errors = true;</span> +<span id="L282" class="LineNr">282 </span>== <span class="Constant">0x1</span> +<span id="L283" class="LineNr">283 </span><span class="Constant">0xab</span>: +<span id="L284" class="LineNr">284 </span> <span class="PreProc">0</span><span class="Constant">5</span> <span class="Constant">0x0d0c0b0a</span>/imm32 +<span id="L285" class="LineNr">285 </span><span class="traceContains">+error: '0xab' looks like a hex number; use a different name</span> +<span id="L286" class="LineNr">286 </span> +<span id="L287" class="LineNr">287 </span><span class="Delimiter">:(scenario label_negative_hex)</span> +<span id="L288" class="LineNr">288 </span><span class="Special">% Hide_errors = true;</span> +<span id="L289" class="LineNr">289 </span>== <span class="Constant">0x1</span> +<span id="L290" class="LineNr">290 </span> -a: <span class="Comment"># indent to avoid looking like a trace_should_not_contain command for this scenario</span> +<span id="L291" class="LineNr">291 </span> <span class="PreProc">0</span><span class="Constant">5</span> <span class="Constant">0x0d0c0b0a</span>/imm32 +<span id="L292" class="LineNr">292 </span><span class="traceContains">+error: '-a' starts with '-', which can be confused with a negative number; use a different name</span> +<span id="L293" class="LineNr">293 </span> +<span id="L294" class="LineNr">294 </span><span class="Comment">//: now that we have labels, we need to adjust segment size computation to</span> +<span id="L295" class="LineNr">295 </span><span class="Comment">//: ignore them.</span> +<span id="L296" class="LineNr">296 </span> +<span id="L297" class="LineNr">297 </span><span class="Delimiter">:(scenario segment_size_ignores_labels)</span> +<span id="L298" class="LineNr">298 </span>== <a href='031check_operands.cc.html#L11'>code</a> <span class="Comment"># 0x09000074</span> +<span id="L299" class="LineNr">299 </span> <span class="PreProc">0</span><span class="Constant">5</span>/add <span class="Constant">0x0d0c0b0a</span>/imm32 <span class="Comment"># 5 bytes</span> +<span id="L300" class="LineNr">300 </span><span class="Normal">foo</span>: <span class="Comment"># 0 bytes</span> +<span id="L301" class="LineNr">301 </span>== data <span class="Comment"># 0x0a000079</span> +<span id="L302" class="LineNr">302 </span><span class="Normal">bar</span>: +<span id="L303" class="LineNr">303 </span> <span class="PreProc">0</span><span class="Constant">0</span> +<span id="L304" class="LineNr">304 </span><span class="traceContains">+transform: segment 1 begins at address 0x0a000079</span> +<span id="L305" class="LineNr">305 </span> +<span id="L306" class="LineNr">306 </span><span class="Delimiter">:(before "End size_of(word w) Special-cases")</span> +<span id="L307" class="LineNr">307 </span><span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='035labels.cc.html#L186'>is_label</a><span class="Delimiter">(</span>w<span class="Delimiter">))</span> +<span id="L308" class="LineNr">308 </span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span> </pre> </body> </html> diff --git a/html/subx/036global_variables.cc.html b/html/subx/036global_variables.cc.html index f43c691a..05e31e17 100644 --- a/html/subx/036global_variables.cc.html +++ b/html/subx/036global_variables.cc.html @@ -78,7 +78,7 @@ if ('onhashchange' in window) { <span id="L15" class="LineNr"> 15 </span><span class="traceContains">+transform: global variable 'x' is at address 0x0a000079</span> <span id="L16" class="LineNr"> 16 </span> <span id="L17" class="LineNr"> 17 </span><span class="Delimiter">:(before "End Level-2 Transforms")</span> -<span id="L18" class="LineNr"> 18 </span><span class="Special"><a href='011run.cc.html#L229'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='036global_variables.cc.html#L20'>rewrite_global_variables</a><span class="Delimiter">);</span> +<span id="L18" class="LineNr"> 18 </span><span class="Special"><a href='011run.cc.html#L225'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='036global_variables.cc.html#L20'>rewrite_global_variables</a><span class="Delimiter">);</span> <span id="L19" class="LineNr"> 19 </span><span class="Delimiter">:(code)</span> <span id="L20" class="LineNr"> 20 </span><span class="Normal">void</span> <a href='036global_variables.cc.html#L20'>rewrite_global_variables</a><span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L21" class="LineNr"> 21 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"-- rewrite global variables"</span> << end<span class="Delimiter">();</span> @@ -91,28 +91,28 @@ if ('onhashchange' in window) { <span id="L28" class="LineNr"> 28 </span><span class="Delimiter">}</span> <span id="L29" class="LineNr"> 29 </span> <span id="L30" class="LineNr"> 30 </span><span class="Normal">void</span> compute_addresses_for_global_variables<span class="Delimiter">(</span><span class="Normal">const</span> program& p<span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> <span class="Normal">uint32_t</span>>& address<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L31" class="LineNr"> 31 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip <a href='031check_operands.cc.html#L11'>code</a> segment</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L32" class="LineNr"> 32 </span> compute_addresses_for_global_variables<span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> address<span class="Delimiter">);</span> +<span id="L31" class="LineNr"> 31 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip <a href='031check_operands.cc.html#L11'>code</a> segment</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L32" class="LineNr"> 32 </span> compute_addresses_for_global_variables<span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> address<span class="Delimiter">);</span> <span id="L33" class="LineNr"> 33 </span><span class="Delimiter">}</span> <span id="L34" class="LineNr"> 34 </span> <span id="L35" class="LineNr"> 35 </span><span class="Normal">void</span> compute_addresses_for_global_variables<span class="Delimiter">(</span><span class="Normal">const</span> segment& s<span class="Delimiter">,</span> map<string<span class="Delimiter">,</span> <span class="Normal">uint32_t</span>>& address<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L36" class="LineNr"> 36 </span> <span class="Normal">int</span> current_address = s<span class="Delimiter">.</span>start<span class="Delimiter">;</span> -<span id="L37" class="LineNr"> 37 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L38" class="LineNr"> 38 </span> <span class="Normal">const</span> line& inst = s<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L39" class="LineNr"> 39 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L40" class="LineNr"> 40 </span> <span class="Normal">const</span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> +<span id="L37" class="LineNr"> 37 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L38" class="LineNr"> 38 </span> <span class="Normal">const</span> line& inst = s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L39" class="LineNr"> 39 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L40" class="LineNr"> 40 </span> <span class="Normal">const</span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> <span id="L41" class="LineNr"> 41 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>*curr<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> != <span class="Constant">':'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L42" class="LineNr"> 42 </span> current_address += size_of<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> <span id="L43" class="LineNr"> 43 </span> <span class="Delimiter">}</span> <span id="L44" class="LineNr"> 44 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> -<span id="L45" class="LineNr"> 45 </span> string variable = <a href='035labels.cc.html#L213'>drop_last</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> +<span id="L45" class="LineNr"> 45 </span> string variable = <a href='035labels.cc.html#L234'>drop_last</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L46" class="LineNr"> 46 </span> <span class="Comment">// ensure variables look sufficiently different from raw hex</span> -<span id="L47" class="LineNr"> 47 </span> <a href='035labels.cc.html#L52'>check_valid_name</a><span class="Delimiter">(</span>variable<span class="Delimiter">);</span> +<span id="L47" class="LineNr"> 47 </span> <a href='035labels.cc.html#L71'>check_valid_name</a><span class="Delimiter">(</span>variable<span class="Delimiter">);</span> <span id="L48" class="LineNr"> 48 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L204'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L49" class="LineNr"> 49 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>j > <span class="Constant">0</span><span class="Delimiter">)</span> -<span id="L50" class="LineNr"> 50 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': global variable names can only be the first <a href='011run.cc.html#L123'>word</a> in a line.\n"</span> << end<span class="Delimiter">();</span> -<span id="L51" class="LineNr"> 51 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='035labels.cc.html#L142'>Map_file</a></span><span class="Delimiter">.</span>is_open<span class="Delimiter">())</span> -<span id="L52" class="LineNr"> 52 </span> <span class="Special"><a href='035labels.cc.html#L142'>Map_file</a></span> << <span class="Constant">"0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << current_address << <span class="Constant">' '</span> << variable << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> +<span id="L50" class="LineNr"> 50 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': global variable names can only be the first <a href='011run.cc.html#L119'>word</a> in a line.\n"</span> << end<span class="Delimiter">();</span> +<span id="L51" class="LineNr"> 51 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='035labels.cc.html#L163'>Map_file</a></span><span class="Delimiter">.</span>is_open<span class="Delimiter">())</span> +<span id="L52" class="LineNr"> 52 </span> <span class="Special"><a href='035labels.cc.html#L163'>Map_file</a></span> << <span class="Constant">"0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << current_address << <span class="Constant">' '</span> << variable << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> <span id="L53" class="LineNr"> 53 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L256'>contains_key</a><span class="Delimiter">(</span>address<span class="Delimiter">,</span> variable<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span id="L54" class="LineNr"> 54 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"duplicate global '"</span> << variable << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> <span id="L55" class="LineNr"> 55 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> @@ -126,27 +126,27 @@ if ('onhashchange' in window) { <span id="L63" class="LineNr"> 63 </span><span class="Delimiter">}</span> <span id="L64" class="LineNr"> 64 </span> <span id="L65" class="LineNr"> 65 </span><span class="Normal">void</span> <a href='036global_variables.cc.html#L65'>drop_global_variables</a><span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L66" class="LineNr"> 66 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip <a href='031check_operands.cc.html#L11'>code</a> segment</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L67" class="LineNr"> 67 </span> <a href='035labels.cc.html#L157'>drop_labels</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> +<span id="L66" class="LineNr"> 66 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip <a href='031check_operands.cc.html#L11'>code</a> segment</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L67" class="LineNr"> 67 </span> <a href='035labels.cc.html#L178'>drop_labels</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span> <span id="L68" class="LineNr"> 68 </span><span class="Delimiter">}</span> <span id="L69" class="LineNr"> 69 </span> <span id="L70" class="LineNr"> 70 </span><span class="Normal">void</span> <a href='036global_variables.cc.html#L70'>replace_global_variables_with_addresses</a><span class="Delimiter">(</span>program& p<span class="Delimiter">,</span> <span class="Normal">const</span> map<string<span class="Delimiter">,</span> <span class="Normal">uint32_t</span>>& address<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L71" class="LineNr"> 71 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L72" class="LineNr"> 72 </span> <a href='036global_variables.cc.html#L77'>replace_global_variables_in_code_segment</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> address<span class="Delimiter">);</span> -<span id="L73" class="LineNr"> 73 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip <a href='031check_operands.cc.html#L11'>code</a></span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L74" class="LineNr"> 74 </span> <a href='036global_variables.cc.html#L100'>replace_global_variables_in_data_segment</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> address<span class="Delimiter">);</span> +<span id="L71" class="LineNr"> 71 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L72" class="LineNr"> 72 </span> <a href='036global_variables.cc.html#L77'>replace_global_variables_in_code_segment</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">),</span> address<span class="Delimiter">);</span> +<span id="L73" class="LineNr"> 73 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip <a href='031check_operands.cc.html#L11'>code</a></span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L74" class="LineNr"> 74 </span> <a href='036global_variables.cc.html#L100'>replace_global_variables_in_data_segment</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> address<span class="Delimiter">);</span> <span id="L75" class="LineNr"> 75 </span><span class="Delimiter">}</span> <span id="L76" class="LineNr"> 76 </span> <span id="L77" class="LineNr"> 77 </span><span class="Normal">void</span> <a href='036global_variables.cc.html#L77'>replace_global_variables_in_code_segment</a><span class="Delimiter">(</span>segment& <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">,</span> <span class="Normal">const</span> map<string<span class="Delimiter">,</span> <span class="Normal">uint32_t</span>>& address<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L78" class="LineNr"> 78 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L79" class="LineNr"> 79 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L80" class="LineNr"> 80 </span> <a href='011run.cc.html#L117'>line</a> new_inst<span class="Delimiter">;</span> -<span id="L81" class="LineNr"> 81 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L82" class="LineNr"> 82 </span> <span class="Normal">const</span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> +<span id="L78" class="LineNr"> 78 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L79" class="LineNr"> 79 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L80" class="LineNr"> 80 </span> <a href='011run.cc.html#L113'>line</a> new_inst<span class="Delimiter">;</span> +<span id="L81" class="LineNr"> 81 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L82" class="LineNr"> 82 </span> <span class="Normal">const</span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> <span id="L83" class="LineNr"> 83 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>address<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span id="L84" class="LineNr"> 84 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!looks_like_hex_int<span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">))</span> <span id="L85" class="LineNr"> 85 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"missing reference to global '"</span> << curr<span class="Delimiter">.</span>data << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> -<span id="L86" class="LineNr"> 86 </span> new_inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> +<span id="L86" class="LineNr"> 86 </span> new_inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> <span id="L87" class="LineNr"> 87 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span id="L88" class="LineNr"> 88 </span> <span class="Delimiter">}</span> <span id="L89" class="LineNr"> 89 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!valid_use_of_global_variable<span class="Delimiter">(</span>curr<span class="Delimiter">))</span> <span class="Delimiter">{</span> @@ -155,144 +155,174 @@ if ('onhashchange' in window) { <span id="L92" class="LineNr"> 92 </span> <span class="Delimiter">}</span> <span id="L93" class="LineNr"> 93 </span> emit_hex_bytes<span class="Delimiter">(</span>new_inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span>address<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">),</span> <span class="Constant">4</span><span class="Delimiter">);</span> <span id="L94" class="LineNr"> 94 </span> <span class="Delimiter">}</span> -<span id="L95" class="LineNr"> 95 </span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>new_inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> -<span id="L96" class="LineNr"> 96 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"instruction after <a href='011run.cc.html#L231'>transform</a>: '"</span> << data_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> +<span id="L95" class="LineNr"> 95 </span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>new_inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> +<span id="L96" class="LineNr"> 96 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"instruction after <a href='011run.cc.html#L228'>transform</a>: '"</span> << data_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> <span id="L97" class="LineNr"> 97 </span> <span class="Delimiter">}</span> <span id="L98" class="LineNr"> 98 </span><span class="Delimiter">}</span> <span id="L99" class="LineNr"> 99 </span> <span id="L100" class="LineNr">100 </span><span class="Normal">void</span> <a href='036global_variables.cc.html#L100'>replace_global_variables_in_data_segment</a><span class="Delimiter">(</span>segment& data<span class="Delimiter">,</span> <span class="Normal">const</span> map<string<span class="Delimiter">,</span> <span class="Normal">uint32_t</span>>& address<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L101" class="LineNr">101 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L102" class="LineNr">102 </span> line& l = data<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L103" class="LineNr">103 </span> <a href='011run.cc.html#L117'>line</a> new_l<span class="Delimiter">;</span> -<span id="L104" class="LineNr">104 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>l<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L105" class="LineNr">105 </span> <span class="Normal">const</span> word& curr = l<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> +<span id="L101" class="LineNr">101 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>data<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L102" class="LineNr">102 </span> line& l = data<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L103" class="LineNr">103 </span> <a href='011run.cc.html#L113'>line</a> new_l<span class="Delimiter">;</span> +<span id="L104" class="LineNr">104 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>l<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L105" class="LineNr">105 </span> <span class="Normal">const</span> word& curr = l<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> <span id="L106" class="LineNr">106 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>address<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L107" class="LineNr">107 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!looks_like_hex_int<span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">))</span> -<span id="L108" class="LineNr">108 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"missing reference to global '"</span> << curr<span class="Delimiter">.</span>data << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> -<span id="L109" class="LineNr">109 </span> new_l<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> -<span id="L110" class="LineNr">110 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span> -<span id="L111" class="LineNr">111 </span> <span class="Delimiter">}</span> -<span id="L112" class="LineNr">112 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << curr<span class="Delimiter">.</span>data << <span class="Constant">" maps to "</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << get<span class="Delimiter">(</span>address<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> -<span id="L113" class="LineNr">113 </span> emit_hex_bytes<span class="Delimiter">(</span>new_l<span class="Delimiter">,</span> get<span class="Delimiter">(</span>address<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">),</span> <span class="Constant">4</span><span class="Delimiter">);</span> -<span id="L114" class="LineNr">114 </span> <span class="Delimiter">}</span> -<span id="L115" class="LineNr">115 </span> l<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>new_l<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> -<span id="L116" class="LineNr">116 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"after <a href='011run.cc.html#L231'>transform</a>: '"</span> << data_to_string<span class="Delimiter">(</span>l<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> -<span id="L117" class="LineNr">117 </span> <span class="Delimiter">}</span> -<span id="L118" class="LineNr">118 </span><span class="Delimiter">}</span> -<span id="L119" class="LineNr">119 </span> -<span id="L120" class="LineNr">120 </span><span class="Normal">bool</span> <a href='036global_variables.cc.html#L120'>valid_use_of_global_variable</a><span class="Delimiter">(</span><span class="Normal">const</span> word& curr<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L121" class="LineNr">121 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"imm32"</span><span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> -<span id="L122" class="LineNr">122 </span> <span class="Comment">// End Valid Uses Of Global Variable(curr)</span> -<span id="L123" class="LineNr">123 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L124" class="LineNr">124 </span><span class="Delimiter">}</span> -<span id="L125" class="LineNr">125 </span> -<span id="L126" class="LineNr">126 </span><span class="SalientComment">//:: a more complex sanity check for how we use global variables</span> -<span id="L127" class="LineNr">127 </span><span class="Comment">//: requires first saving some data early before we pack operands</span> -<span id="L128" class="LineNr">128 </span> -<span id="L129" class="LineNr">129 </span><span class="Delimiter">:(after "Begin Level-2 Transforms")</span> -<span id="L130" class="LineNr">130 </span><span class="Special"><a href='011run.cc.html#L229'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='036global_variables.cc.html#L132'>correlate_disp32_with_mod</a><span class="Delimiter">);</span> -<span id="L131" class="LineNr">131 </span><span class="Delimiter">:(code)</span> -<span id="L132" class="LineNr">132 </span><span class="Normal">void</span> <a href='036global_variables.cc.html#L132'>correlate_disp32_with_mod</a><span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L133" class="LineNr">133 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L134" class="LineNr">134 </span> segment& <a href='031check_operands.cc.html#L11'>code</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> -<span id="L135" class="LineNr">135 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L136" class="LineNr">136 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L137" class="LineNr">137 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L138" class="LineNr">138 </span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> -<span id="L139" class="LineNr">139 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp32"</span><span class="Delimiter">)</span> -<span id="L140" class="LineNr">140 </span> && has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"mod"</span><span class="Delimiter">))</span> -<span id="L141" class="LineNr">141 </span> curr<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><span class="Constant">"has_mod"</span><span class="Delimiter">);</span> -<span id="L142" class="LineNr">142 </span> <span class="Delimiter">}</span> -<span id="L143" class="LineNr">143 </span> <span class="Delimiter">}</span> -<span id="L144" class="LineNr">144 </span><span class="Delimiter">}</span> +<span id="L107" class="LineNr">107 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L439'>looks_like_hex_int</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L108" class="LineNr">108 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"imm32"</span><span class="Delimiter">))</span> +<span id="L109" class="LineNr">109 </span> emit_hex_bytes<span class="Delimiter">(</span>new_l<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">);</span> +<span id="L110" class="LineNr">110 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"imm16"</span><span class="Delimiter">))</span> +<span id="L111" class="LineNr">111 </span> emit_hex_bytes<span class="Delimiter">(</span>new_l<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <span class="Constant">2</span><span class="Delimiter">);</span> +<span id="L112" class="LineNr">112 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"imm8"</span><span class="Delimiter">))</span> +<span id="L113" class="LineNr">113 </span> emit_hex_bytes<span class="Delimiter">(</span>new_l<span class="Delimiter">,</span> curr<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> +<span id="L114" class="LineNr">114 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp8"</span><span class="Delimiter">))</span> +<span id="L115" class="LineNr">115 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"can't use /disp8 in a non-code segment\n"</span> << end<span class="Delimiter">();</span> +<span id="L116" class="LineNr">116 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp16"</span><span class="Delimiter">))</span> +<span id="L117" class="LineNr">117 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"can't use /disp16 in a non-code segment\n"</span> << end<span class="Delimiter">();</span> +<span id="L118" class="LineNr">118 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp32"</span><span class="Delimiter">))</span> +<span id="L119" class="LineNr">119 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"can't use /disp32 in a non-code segment\n"</span> << end<span class="Delimiter">();</span> +<span id="L120" class="LineNr">120 </span> <span class="Normal">else</span> +<span id="L121" class="LineNr">121 </span> new_l<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> +<span id="L122" class="LineNr">122 </span> <span class="Delimiter">}</span> +<span id="L123" class="LineNr">123 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> +<span id="L124" class="LineNr">124 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"missing reference to global '"</span> << curr<span class="Delimiter">.</span>data << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> +<span id="L125" class="LineNr">125 </span> new_l<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> +<span id="L126" class="LineNr">126 </span> <span class="Delimiter">}</span> +<span id="L127" class="LineNr">127 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span> +<span id="L128" class="LineNr">128 </span> <span class="Delimiter">}</span> +<span id="L129" class="LineNr">129 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << curr<span class="Delimiter">.</span>data << <span class="Constant">" maps to "</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << get<span class="Delimiter">(</span>address<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> +<span id="L130" class="LineNr">130 </span> emit_hex_bytes<span class="Delimiter">(</span>new_l<span class="Delimiter">,</span> get<span class="Delimiter">(</span>address<span class="Delimiter">,</span> curr<span class="Delimiter">.</span>data<span class="Delimiter">),</span> <span class="Constant">4</span><span class="Delimiter">);</span> +<span id="L131" class="LineNr">131 </span> <span class="Delimiter">}</span> +<span id="L132" class="LineNr">132 </span> l<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>new_l<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> +<span id="L133" class="LineNr">133 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"after <a href='011run.cc.html#L228'>transform</a>: '"</span> << data_to_string<span class="Delimiter">(</span>l<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> +<span id="L134" class="LineNr">134 </span> <span class="Delimiter">}</span> +<span id="L135" class="LineNr">135 </span><span class="Delimiter">}</span> +<span id="L136" class="LineNr">136 </span> +<span id="L137" class="LineNr">137 </span><span class="Normal">bool</span> <a href='036global_variables.cc.html#L137'>valid_use_of_global_variable</a><span class="Delimiter">(</span><span class="Normal">const</span> word& curr<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L138" class="LineNr">138 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"imm32"</span><span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> +<span id="L139" class="LineNr">139 </span> <span class="Comment">// End Valid Uses Of Global Variable(curr)</span> +<span id="L140" class="LineNr">140 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L141" class="LineNr">141 </span><span class="Delimiter">}</span> +<span id="L142" class="LineNr">142 </span> +<span id="L143" class="LineNr">143 </span><span class="SalientComment">//:: a more complex sanity check for how we use global variables</span> +<span id="L144" class="LineNr">144 </span><span class="Comment">//: requires first saving some data early before we pack operands</span> <span id="L145" class="LineNr">145 </span> -<span id="L146" class="LineNr">146 </span><span class="Delimiter">:(before "End Valid Uses Of Global Variable(curr)")</span> -<span id="L147" class="LineNr">147 </span><span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp32"</span><span class="Delimiter">))</span> -<span id="L148" class="LineNr">148 </span> <span class="Identifier">return</span> <a href='036global_variables.cc.html#L153'>has_metadata</a><span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"has_mod"</span><span class="Delimiter">);</span> -<span id="L149" class="LineNr">149 </span><span class="Comment">// todo: more sophisticated check, to ensure we don't use global variable</span> -<span id="L150" class="LineNr">150 </span><span class="Comment">// addresses as a real displacement added to other operands.</span> -<span id="L151" class="LineNr">151 </span> -<span id="L152" class="LineNr">152 </span><span class="Delimiter">:(code)</span> -<span id="L153" class="LineNr">153 </span><span class="Normal">bool</span> <a href='036global_variables.cc.html#L153'>has_metadata</a><span class="Delimiter">(</span><span class="Normal">const</span> word& w<span class="Delimiter">,</span> <span class="Normal">const</span> string& m<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L154" class="LineNr">154 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>metadata<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L155" class="LineNr">155 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>w<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == m<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> -<span id="L156" class="LineNr">156 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L157" class="LineNr">157 </span><span class="Delimiter">}</span> -<span id="L158" class="LineNr">158 </span> -<span id="L159" class="LineNr">159 </span><span class="Delimiter">:(scenario global_variable_disallowed_in_jump)</span> -<span id="L160" class="LineNr">160 </span><span class="Special">% Hide_errors = true;</span> -<span id="L161" class="LineNr">161 </span>== <a href='031check_operands.cc.html#L11'>code</a> -<span id="L162" class="LineNr">162 </span>eb/jump x/disp8 -<span id="L163" class="LineNr">163 </span>== data -<span id="L164" class="LineNr">164 </span><span class="Normal">x</span>: -<span id="L165" class="LineNr">165 </span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> -<span id="L166" class="LineNr">166 </span><span class="traceContains">+error: 'eb/jump x/disp8': can't refer to global variable 'x'</span> -<span id="L167" class="LineNr">167 </span><span class="Comment"># sub-optimal error message; should be</span> -<span id="L168" class="LineNr">168 </span><span class="CommentedCode">#? +error: can't jump to data (variable 'x')</span> -<span id="L169" class="LineNr">169 </span> -<span id="L170" class="LineNr">170 </span><span class="Delimiter">:(scenario global_variable_disallowed_in_call)</span> -<span id="L171" class="LineNr">171 </span><span class="Special">% Hide_errors = true;</span> -<span id="L172" class="LineNr">172 </span>== <a href='031check_operands.cc.html#L11'>code</a> -<span id="L173" class="LineNr">173 </span>e8/call x/disp32 -<span id="L174" class="LineNr">174 </span>== data -<span id="L175" class="LineNr">175 </span><span class="Normal">x</span>: -<span id="L176" class="LineNr">176 </span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> -<span id="L177" class="LineNr">177 </span><span class="traceContains">+error: 'e8/call x/disp32': can't refer to global variable 'x'</span> -<span id="L178" class="LineNr">178 </span><span class="Comment"># sub-optimal error message; should be</span> -<span id="L179" class="LineNr">179 </span><span class="CommentedCode">#? +error: can't call to the data segment ('x')</span> -<span id="L180" class="LineNr">180 </span> -<span id="L181" class="LineNr">181 </span><span class="Delimiter">:(scenario global_variable_in_data_segment)</span> -<span id="L182" class="LineNr">182 </span>== <span class="Constant">0x1</span> -<span id="L183" class="LineNr">183 </span>b9 x/imm32 -<span id="L184" class="LineNr">184 </span>== <span class="Constant">0x0a000000</span> -<span id="L185" class="LineNr">185 </span><span class="Normal">x</span>: -<span id="L186" class="LineNr">186 </span> y/imm32 -<span id="L187" class="LineNr">187 </span><span class="Normal">y</span>: -<span id="L188" class="LineNr">188 </span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> -<span id="L189" class="LineNr">189 </span><span class="Comment"># check that we loaded 'x' with the address of 'y'</span> -<span id="L190" class="LineNr">190 </span><span class="traceContains">+load: 0x0a000000 -> 04</span> -<span id="L191" class="LineNr">191 </span><span class="traceContains">+load: 0x0a000001 -> 00</span> -<span id="L192" class="LineNr">192 </span><span class="traceContains">+load: 0x0a000002 -> 00</span> -<span id="L193" class="LineNr">193 </span><span class="traceContains">+load: 0x0a000003 -> 0a</span> -<span id="L194" class="LineNr">194 </span>$error: <span class="Constant">0</span> -<span id="L195" class="LineNr">195 </span> -<span id="L196" class="LineNr">196 </span><span class="Delimiter">:(scenario duplicate_global_variable)</span> -<span id="L197" class="LineNr">197 </span><span class="Special">% Hide_errors = true;</span> -<span id="L198" class="LineNr">198 </span>== <span class="Constant">0x1</span> -<span id="L199" class="LineNr">199 </span><span class="Constant">40</span>/increment-EAX -<span id="L200" class="LineNr">200 </span>== <span class="Constant">0x0a000000</span> -<span id="L201" class="LineNr">201 </span><span class="Normal">x</span>: +<span id="L146" class="LineNr">146 </span><span class="Delimiter">:(after "Begin Level-2 Transforms")</span> +<span id="L147" class="LineNr">147 </span><span class="Special"><a href='011run.cc.html#L225'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='036global_variables.cc.html#L149'>correlate_disp32_with_mod</a><span class="Delimiter">);</span> +<span id="L148" class="LineNr">148 </span><span class="Delimiter">:(code)</span> +<span id="L149" class="LineNr">149 </span><span class="Normal">void</span> <a href='036global_variables.cc.html#L149'>correlate_disp32_with_mod</a><span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L150" class="LineNr">150 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L151" class="LineNr">151 </span> segment& <a href='031check_operands.cc.html#L11'>code</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> +<span id="L152" class="LineNr">152 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L153" class="LineNr">153 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L154" class="LineNr">154 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L155" class="LineNr">155 </span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> +<span id="L156" class="LineNr">156 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp32"</span><span class="Delimiter">)</span> +<span id="L157" class="LineNr">157 </span> && has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> <span class="Constant">"mod"</span><span class="Delimiter">))</span> +<span id="L158" class="LineNr">158 </span> curr<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><span class="Constant">"has_mod"</span><span class="Delimiter">);</span> +<span id="L159" class="LineNr">159 </span> <span class="Delimiter">}</span> +<span id="L160" class="LineNr">160 </span> <span class="Delimiter">}</span> +<span id="L161" class="LineNr">161 </span><span class="Delimiter">}</span> +<span id="L162" class="LineNr">162 </span> +<span id="L163" class="LineNr">163 </span><span class="Delimiter">:(before "End Valid Uses Of Global Variable(curr)")</span> +<span id="L164" class="LineNr">164 </span><span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"disp32"</span><span class="Delimiter">))</span> +<span id="L165" class="LineNr">165 </span> <span class="Identifier">return</span> <a href='036global_variables.cc.html#L170'>has_metadata</a><span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"has_mod"</span><span class="Delimiter">);</span> +<span id="L166" class="LineNr">166 </span><span class="Comment">// todo: more sophisticated check, to ensure we don't use global variable</span> +<span id="L167" class="LineNr">167 </span><span class="Comment">// addresses as a real displacement added to other operands.</span> +<span id="L168" class="LineNr">168 </span> +<span id="L169" class="LineNr">169 </span><span class="Delimiter">:(code)</span> +<span id="L170" class="LineNr">170 </span><span class="Normal">bool</span> <a href='036global_variables.cc.html#L170'>has_metadata</a><span class="Delimiter">(</span><span class="Normal">const</span> word& w<span class="Delimiter">,</span> <span class="Normal">const</span> string& m<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L171" class="LineNr">171 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>metadata<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L172" class="LineNr">172 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>w<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == m<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> +<span id="L173" class="LineNr">173 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L174" class="LineNr">174 </span><span class="Delimiter">}</span> +<span id="L175" class="LineNr">175 </span> +<span id="L176" class="LineNr">176 </span><span class="Delimiter">:(scenario global_variable_disallowed_in_jump)</span> +<span id="L177" class="LineNr">177 </span><span class="Special">% Hide_errors = true;</span> +<span id="L178" class="LineNr">178 </span>== <a href='031check_operands.cc.html#L11'>code</a> +<span id="L179" class="LineNr">179 </span>eb/jump x/disp8 +<span id="L180" class="LineNr">180 </span>== data +<span id="L181" class="LineNr">181 </span><span class="Normal">x</span>: +<span id="L182" class="LineNr">182 </span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> +<span id="L183" class="LineNr">183 </span><span class="traceContains">+error: 'eb/jump x/disp8': can't refer to global variable 'x'</span> +<span id="L184" class="LineNr">184 </span><span class="Comment"># sub-optimal error message; should be</span> +<span id="L185" class="LineNr">185 </span><span class="CommentedCode">#? +error: can't jump to data (variable 'x')</span> +<span id="L186" class="LineNr">186 </span> +<span id="L187" class="LineNr">187 </span><span class="Delimiter">:(scenario global_variable_disallowed_in_call)</span> +<span id="L188" class="LineNr">188 </span><span class="Special">% Hide_errors = true;</span> +<span id="L189" class="LineNr">189 </span>== <a href='031check_operands.cc.html#L11'>code</a> +<span id="L190" class="LineNr">190 </span>e8/call x/disp32 +<span id="L191" class="LineNr">191 </span>== data +<span id="L192" class="LineNr">192 </span><span class="Normal">x</span>: +<span id="L193" class="LineNr">193 </span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> +<span id="L194" class="LineNr">194 </span><span class="traceContains">+error: 'e8/call x/disp32': can't refer to global variable 'x'</span> +<span id="L195" class="LineNr">195 </span><span class="Comment"># sub-optimal error message; should be</span> +<span id="L196" class="LineNr">196 </span><span class="CommentedCode">#? +error: can't call to the data segment ('x')</span> +<span id="L197" class="LineNr">197 </span> +<span id="L198" class="LineNr">198 </span><span class="Delimiter">:(scenario global_variable_in_data_segment)</span> +<span id="L199" class="LineNr">199 </span>== <span class="Constant">0x1</span> +<span id="L200" class="LineNr">200 </span>b9 x/imm32 +<span id="L201" class="LineNr">201 </span>== <span class="Constant">0x0a000000</span> <span id="L202" class="LineNr">202 </span><span class="Normal">x</span>: -<span id="L203" class="LineNr">203 </span> <span class="PreProc">0</span><span class="Constant">0</span> -<span id="L204" class="LineNr">204 </span><span class="traceContains">+error: duplicate global 'x'</span> -<span id="L205" class="LineNr">205 </span> -<span id="L206" class="LineNr">206 </span><span class="Delimiter">:(scenario global_variable_disp32_with_modrm)</span> -<span id="L207" class="LineNr">207 </span>== <a href='031check_operands.cc.html#L11'>code</a> -<span id="L208" class="LineNr">208 </span>8b/copy <span class="Constant">0</span>/mod/indirect <span class="Constant">5</span>/rm32/<span class="Delimiter">.</span>disp32 <span class="Constant">2</span>/r32/EDX x/disp32 -<span id="L209" class="LineNr">209 </span>== data -<span id="L210" class="LineNr">210 </span><span class="Normal">x</span>: -<span id="L211" class="LineNr">211 </span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> -<span id="L212" class="LineNr">212 </span>$error: <span class="Constant">0</span> -<span id="L213" class="LineNr">213 </span> -<span id="L214" class="LineNr">214 </span><span class="Delimiter">:(scenarios transform)</span> -<span id="L215" class="LineNr">215 </span><span class="Delimiter">:(scenario global_variable_disp32_with_call)</span> -<span id="L216" class="LineNr">216 </span>== <a href='031check_operands.cc.html#L11'>code</a> -<span id="L217" class="LineNr">217 </span><span class="Normal">foo</span>: -<span id="L218" class="LineNr">218 </span> e8/call bar/disp32 -<span id="L219" class="LineNr">219 </span><span class="Normal">bar</span>: -<span id="L220" class="LineNr">220 </span>$error: <span class="Constant">0</span> -<span id="L221" class="LineNr">221 </span> -<span id="L222" class="LineNr">222 </span><span class="Delimiter">:(code)</span> -<span id="L223" class="LineNr">223 </span>string to_full_string<span class="Delimiter">(</span><span class="Normal">const</span> line& in<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L224" class="LineNr">224 </span> ostringstream out<span class="Delimiter">;</span> -<span id="L225" class="LineNr">225 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L226" class="LineNr">226 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i > <span class="Constant">0</span><span class="Delimiter">)</span> out << <span class="Constant">' '</span><span class="Delimiter">;</span> -<span id="L227" class="LineNr">227 </span> out << in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>data<span class="Delimiter">;</span> -<span id="L228" class="LineNr">228 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>metadata<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> -<span id="L229" class="LineNr">229 </span> out << <span class="Constant">'/'</span> << in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> -<span id="L230" class="LineNr">230 </span> <span class="Delimiter">}</span> -<span id="L231" class="LineNr">231 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> -<span id="L232" class="LineNr">232 </span><span class="Delimiter">}</span> +<span id="L203" class="LineNr">203 </span> y/imm32 +<span id="L204" class="LineNr">204 </span><span class="Normal">y</span>: +<span id="L205" class="LineNr">205 </span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> +<span id="L206" class="LineNr">206 </span><span class="Comment"># check that we loaded 'x' with the address of 'y'</span> +<span id="L207" class="LineNr">207 </span><span class="traceContains">+load: 0x0a000000 -> 04</span> +<span id="L208" class="LineNr">208 </span><span class="traceContains">+load: 0x0a000001 -> 00</span> +<span id="L209" class="LineNr">209 </span><span class="traceContains">+load: 0x0a000002 -> 00</span> +<span id="L210" class="LineNr">210 </span><span class="traceContains">+load: 0x0a000003 -> 0a</span> +<span id="L211" class="LineNr">211 </span>$error: <span class="Constant">0</span> +<span id="L212" class="LineNr">212 </span> +<span id="L213" class="LineNr">213 </span><span class="Delimiter">:(scenario raw_number_with_imm32_in_data_segment)</span> +<span id="L214" class="LineNr">214 </span>== <span class="Constant">0x1</span> +<span id="L215" class="LineNr">215 </span>b9 x/imm32 +<span id="L216" class="LineNr">216 </span>== <span class="Constant">0x0a000000</span> +<span id="L217" class="LineNr">217 </span><span class="Normal">x</span>: +<span id="L218" class="LineNr">218 </span> <span class="Constant">1</span>/imm32 +<span id="L219" class="LineNr">219 </span><span class="Comment"># check that we loaded 'x' with the address of 1</span> +<span id="L220" class="LineNr">220 </span><span class="traceContains">+load: 0x0a000000 -> 01</span> +<span id="L221" class="LineNr">221 </span><span class="traceContains">+load: 0x0a000001 -> 00</span> +<span id="L222" class="LineNr">222 </span><span class="traceContains">+load: 0x0a000002 -> 00</span> +<span id="L223" class="LineNr">223 </span><span class="traceContains">+load: 0x0a000003 -> 00</span> +<span id="L224" class="LineNr">224 </span>$error: <span class="Constant">0</span> +<span id="L225" class="LineNr">225 </span> +<span id="L226" class="LineNr">226 </span><span class="Delimiter">:(scenario duplicate_global_variable)</span> +<span id="L227" class="LineNr">227 </span><span class="Special">% Hide_errors = true;</span> +<span id="L228" class="LineNr">228 </span>== <span class="Constant">0x1</span> +<span id="L229" class="LineNr">229 </span><span class="Constant">40</span>/increment-EAX +<span id="L230" class="LineNr">230 </span>== <span class="Constant">0x0a000000</span> +<span id="L231" class="LineNr">231 </span><span class="Normal">x</span>: +<span id="L232" class="LineNr">232 </span><span class="Normal">x</span>: +<span id="L233" class="LineNr">233 </span> <span class="PreProc">0</span><span class="Constant">0</span> +<span id="L234" class="LineNr">234 </span><span class="traceContains">+error: duplicate global 'x'</span> +<span id="L235" class="LineNr">235 </span> +<span id="L236" class="LineNr">236 </span><span class="Delimiter">:(scenario global_variable_disp32_with_modrm)</span> +<span id="L237" class="LineNr">237 </span>== <a href='031check_operands.cc.html#L11'>code</a> +<span id="L238" class="LineNr">238 </span>8b/copy <span class="Constant">0</span>/mod/indirect <span class="Constant">5</span>/rm32/<span class="Delimiter">.</span>disp32 <span class="Constant">2</span>/r32/EDX x/disp32 +<span id="L239" class="LineNr">239 </span>== data +<span id="L240" class="LineNr">240 </span><span class="Normal">x</span>: +<span id="L241" class="LineNr">241 </span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> +<span id="L242" class="LineNr">242 </span>$error: <span class="Constant">0</span> +<span id="L243" class="LineNr">243 </span> +<span id="L244" class="LineNr">244 </span><span class="Delimiter">:(scenarios transform)</span> +<span id="L245" class="LineNr">245 </span><span class="Delimiter">:(scenario global_variable_disp32_with_call)</span> +<span id="L246" class="LineNr">246 </span>== <a href='031check_operands.cc.html#L11'>code</a> +<span id="L247" class="LineNr">247 </span><span class="Normal">foo</span>: +<span id="L248" class="LineNr">248 </span> e8/call bar/disp32 +<span id="L249" class="LineNr">249 </span><span class="Normal">bar</span>: +<span id="L250" class="LineNr">250 </span>$error: <span class="Constant">0</span> +<span id="L251" class="LineNr">251 </span> +<span id="L252" class="LineNr">252 </span><span class="Delimiter">:(code)</span> +<span id="L253" class="LineNr">253 </span>string to_full_string<span class="Delimiter">(</span><span class="Normal">const</span> line& in<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L254" class="LineNr">254 </span> ostringstream out<span class="Delimiter">;</span> +<span id="L255" class="LineNr">255 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L256" class="LineNr">256 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i > <span class="Constant">0</span><span class="Delimiter">)</span> out << <span class="Constant">' '</span><span class="Delimiter">;</span> +<span id="L257" class="LineNr">257 </span> out << in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>data<span class="Delimiter">;</span> +<span id="L258" class="LineNr">258 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>metadata<span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> +<span id="L259" class="LineNr">259 </span> out << <span class="Constant">'/'</span> << in<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> +<span id="L260" class="LineNr">260 </span> <span class="Delimiter">}</span> +<span id="L261" class="LineNr">261 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> +<span id="L262" class="LineNr">262 </span><span class="Delimiter">}</span> </pre> </body> </html> diff --git a/html/subx/037heap.cc.html b/html/subx/037heap.cc.html index 94ac1de2..3206e8fc 100644 --- a/html/subx/037heap.cc.html +++ b/html/subx/037heap.cc.html @@ -64,24 +64,24 @@ if ('onhashchange' in window) { <span id="L7" class="LineNr"> 7 </span><a href='037heap.cc.html#L9'>insert_heap_global_variable</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> <span id="L8" class="LineNr"> 8 </span><span class="Delimiter">:(code)</span> <span id="L9" class="LineNr"> 9 </span><span class="Normal">void</span> <a href='037heap.cc.html#L9'>insert_heap_global_variable</a><span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L10" class="LineNr">10 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">)</span> < <span class="Constant">2</span><span class="Delimiter">)</span> +<span id="L10" class="LineNr">10 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">)</span> < <span class="Constant">2</span><span class="Delimiter">)</span> <span id="L11" class="LineNr">11 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// no data segment defined</span> <span id="L12" class="LineNr">12 </span> <span class="Comment">// Start-of-heap:</span> -<span id="L13" class="LineNr">13 </span> p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>label<span class="Delimiter">(</span><span class="Constant">"Start-of-heap"</span><span class="Delimiter">));</span> +<span id="L13" class="LineNr">13 </span> p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>label<span class="Delimiter">(</span><span class="Constant">"Start-of-heap"</span><span class="Delimiter">));</span> <span id="L14" class="LineNr">14 </span><span class="Delimiter">}</span> <span id="L15" class="LineNr">15 </span> -<span id="L16" class="LineNr">16 </span><a href='011run.cc.html#L117'>line</a> label<span class="Delimiter">(</span>string s<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L17" class="LineNr">17 </span> <a href='011run.cc.html#L117'>line</a> result<span class="Delimiter">;</span> -<span id="L18" class="LineNr">18 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L123'>word</a><span class="Delimiter">());</span> -<span id="L19" class="LineNr">19 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>data = <span class="Delimiter">(</span>s+<span class="Constant">":"</span><span class="Delimiter">);</span> +<span id="L16" class="LineNr">16 </span><a href='011run.cc.html#L113'>line</a> label<span class="Delimiter">(</span>string s<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L17" class="LineNr">17 </span> <a href='011run.cc.html#L113'>line</a> result<span class="Delimiter">;</span> +<span id="L18" class="LineNr">18 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L119'>word</a><span class="Delimiter">());</span> +<span id="L19" class="LineNr">19 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>data = <span class="Delimiter">(</span>s+<span class="Constant">":"</span><span class="Delimiter">);</span> <span id="L20" class="LineNr">20 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> <span id="L21" class="LineNr">21 </span><span class="Delimiter">}</span> <span id="L22" class="LineNr">22 </span> -<span id="L23" class="LineNr">23 </span><a href='011run.cc.html#L117'>line</a> <a href='037heap.cc.html#L23'>imm32</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L24" class="LineNr">24 </span> <a href='011run.cc.html#L117'>line</a> result<span class="Delimiter">;</span> -<span id="L25" class="LineNr">25 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L123'>word</a><span class="Delimiter">());</span> -<span id="L26" class="LineNr">26 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>data = s<span class="Delimiter">;</span> -<span id="L27" class="LineNr">27 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><span class="Constant">"imm32"</span><span class="Delimiter">);</span> +<span id="L23" class="LineNr">23 </span><a href='011run.cc.html#L113'>line</a> <a href='037heap.cc.html#L23'>imm32</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L24" class="LineNr">24 </span> <a href='011run.cc.html#L113'>line</a> result<span class="Delimiter">;</span> +<span id="L25" class="LineNr">25 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L119'>word</a><span class="Delimiter">());</span> +<span id="L26" class="LineNr">26 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>data = s<span class="Delimiter">;</span> +<span id="L27" class="LineNr">27 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><span class="Constant">"imm32"</span><span class="Delimiter">);</span> <span id="L28" class="LineNr">28 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> <span id="L29" class="LineNr">29 </span><span class="Delimiter">}</span> </pre> diff --git a/html/subx/038---literal_strings.cc.html b/html/subx/038---literal_strings.cc.html index 2f7c2c48..0646fe2b 100644 --- a/html/subx/038---literal_strings.cc.html +++ b/html/subx/038---literal_strings.cc.html @@ -70,14 +70,14 @@ if ('onhashchange' in window) { <span id="L9" class="LineNr"> 9 </span>== data <span class="Comment"># need to manually create this for now</span> <span id="L10" class="LineNr"> 10 </span><span class="traceContains">+transform: -- move literal strings to data segment</span> <span id="L11" class="LineNr"> 11 </span><span class="traceContains">+transform: adding global variable '__subx_global_1' containing "test"</span> -<span id="L12" class="LineNr"> 12 </span><span class="traceContains">+transform: instruction after <a href='011run.cc.html#L231'>transform</a>: 'b8 __subx_global_1'</span> +<span id="L12" class="LineNr"> 12 </span><span class="traceContains">+transform: instruction after <a href='011run.cc.html#L228'>transform</a>: 'b8 __subx_global_1'</span> <span id="L13" class="LineNr"> 13 </span> <span id="L14" class="LineNr"> 14 </span><span class="Comment">//: We don't rely on any transforms running in previous layers, but this layer</span> <span id="L15" class="LineNr"> 15 </span><span class="Comment">//: knows about labels and global variables and will emit them for previous</span> <span id="L16" class="LineNr"> 16 </span><span class="Comment">//: layers to transform.</span> <span id="L17" class="LineNr"> 17 </span><span class="Delimiter">:(after "Begin Transforms")</span> <span id="L18" class="LineNr"> 18 </span><span class="Comment">// Begin Level-3 Transforms</span> -<span id="L19" class="LineNr"> 19 </span><span class="Special"><a href='011run.cc.html#L229'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='038---literal_strings.cc.html#L25'>transform_literal_strings</a><span class="Delimiter">);</span> +<span id="L19" class="LineNr"> 19 </span><span class="Special"><a href='011run.cc.html#L225'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='038---literal_strings.cc.html#L25'>transform_literal_strings</a><span class="Delimiter">);</span> <span id="L20" class="LineNr"> 20 </span><span class="Comment">// End Level-3 Transforms</span> <span id="L21" class="LineNr"> 21 </span> <span id="L22" class="LineNr"> 22 </span><span class="Delimiter">:(before "End Globals")</span> @@ -85,13 +85,13 @@ if ('onhashchange' in window) { <span id="L24" class="LineNr"> 24 </span><span class="Delimiter">:(code)</span> <span id="L25" class="LineNr"> 25 </span><span class="Normal">void</span> <a href='038---literal_strings.cc.html#L25'>transform_literal_strings</a><span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L26" class="LineNr"> 26 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"-- move literal strings to data segment"</span> << end<span class="Delimiter">();</span> -<span id="L27" class="LineNr"> 27 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L28" class="LineNr"> 28 </span> segment& <a href='031check_operands.cc.html#L11'>code</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> +<span id="L27" class="LineNr"> 27 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L28" class="LineNr"> 28 </span> segment& <a href='031check_operands.cc.html#L11'>code</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span id="L29" class="LineNr"> 29 </span> segment data<span class="Delimiter">;</span> -<span id="L30" class="LineNr"> 30 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L31" class="LineNr"> 31 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L32" class="LineNr"> 32 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L33" class="LineNr"> 33 </span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> +<span id="L30" class="LineNr"> 30 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L31" class="LineNr"> 31 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L32" class="LineNr"> 32 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L33" class="LineNr"> 33 </span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> <span id="L34" class="LineNr"> 34 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> != <span class="Constant">'"'</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span id="L35" class="LineNr"> 35 </span> ostringstream global_name<span class="Delimiter">;</span> <span id="L36" class="LineNr"> 36 </span> global_name << <span class="Constant">"__subx_global_"</span> << <span class="Special"><a href='038---literal_strings.cc.html#L23'>Next_auto_global</a></span><span class="Delimiter">;</span> @@ -99,32 +99,32 @@ if ('onhashchange' in window) { <span id="L38" class="LineNr"> 38 </span> <a href='038---literal_strings.cc.html#L52'>add_global_to_data_segment</a><span class="Delimiter">(</span>global_name<span class="Delimiter">.</span>str<span class="Delimiter">(),</span> curr<span class="Delimiter">,</span> data<span class="Delimiter">);</span> <span id="L39" class="LineNr"> 39 </span> curr<span class="Delimiter">.</span>data = global_name<span class="Delimiter">.</span>str<span class="Delimiter">();</span> <span id="L40" class="LineNr"> 40 </span> <span class="Delimiter">}</span> -<span id="L41" class="LineNr"> 41 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"instruction after <a href='011run.cc.html#L231'>transform</a>: '"</span> << data_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> +<span id="L41" class="LineNr"> 41 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"instruction after <a href='011run.cc.html#L228'>transform</a>: '"</span> << data_to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> <span id="L42" class="LineNr"> 42 </span> <span class="Delimiter">}</span> -<span id="L43" class="LineNr"> 43 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>data<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L44" class="LineNr"> 44 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">)</span> < <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L45" class="LineNr"> 45 </span> p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span> -<span id="L46" class="LineNr"> 46 </span> p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>data<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> +<span id="L43" class="LineNr"> 43 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>data<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L44" class="LineNr"> 44 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">)</span> < <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L45" class="LineNr"> 45 </span> p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>resize<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">);</span> +<span id="L46" class="LineNr"> 46 </span> p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>swap<span class="Delimiter">(</span>data<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> <span id="L47" class="LineNr"> 47 </span> <span class="Delimiter">}</span> -<span id="L48" class="LineNr"> 48 </span> vector<line>& existing_data = p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">;</span> -<span id="L49" class="LineNr"> 49 </span> existing_data<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>existing_data<span class="Delimiter">.</span>end<span class="Delimiter">(),</span> data<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> data<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>end<span class="Delimiter">());</span> +<span id="L48" class="LineNr"> 48 </span> vector<line>& existing_data = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">;</span> +<span id="L49" class="LineNr"> 49 </span> existing_data<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>existing_data<span class="Delimiter">.</span>end<span class="Delimiter">(),</span> data<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> data<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>end<span class="Delimiter">());</span> <span id="L50" class="LineNr"> 50 </span><span class="Delimiter">}</span> <span id="L51" class="LineNr"> 51 </span> <span id="L52" class="LineNr"> 52 </span><span class="Normal">void</span> <a href='038---literal_strings.cc.html#L52'>add_global_to_data_segment</a><span class="Delimiter">(</span><span class="Normal">const</span> string& name<span class="Delimiter">,</span> <span class="Normal">const</span> word& value<span class="Delimiter">,</span> segment& data<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L53" class="LineNr"> 53 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"adding global variable '"</span> << name << <span class="Constant">"' containing "</span> << value<span class="Delimiter">.</span>data << end<span class="Delimiter">();</span> <span id="L54" class="LineNr"> 54 </span> <span class="Comment">// emit label</span> -<span id="L55" class="LineNr"> 55 </span> data<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>label<span class="Delimiter">(</span>name<span class="Delimiter">));</span> +<span id="L55" class="LineNr"> 55 </span> data<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>label<span class="Delimiter">(</span>name<span class="Delimiter">));</span> <span id="L56" class="LineNr"> 56 </span> <span class="Comment">// emit size for size-prefixed array</span> -<span id="L57" class="LineNr"> 57 </span> data<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L117'>line</a><span class="Delimiter">());</span> -<span id="L58" class="LineNr"> 58 </span> emit_hex_bytes<span class="Delimiter">(</span>data<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>back<span class="Delimiter">(),</span> <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>value<span class="Delimiter">.</span>data<span class="Delimiter">)</span>-<span class="Comment">/*</span><span class="Comment">skip quotes</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">4</span><span class="Comment">/*</span><span class="Comment">bytes</span><span class="Comment">*/</span><span class="Delimiter">);</span> +<span id="L57" class="LineNr"> 57 </span> data<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L113'>line</a><span class="Delimiter">());</span> +<span id="L58" class="LineNr"> 58 </span> emit_hex_bytes<span class="Delimiter">(</span>data<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>back<span class="Delimiter">(),</span> <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>value<span class="Delimiter">.</span>data<span class="Delimiter">)</span>-<span class="Comment">/*</span><span class="Comment">skip quotes</span><span class="Comment">*/</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">4</span><span class="Comment">/*</span><span class="Comment">bytes</span><span class="Comment">*/</span><span class="Delimiter">);</span> <span id="L59" class="LineNr"> 59 </span> <span class="Comment">// emit data byte by byte</span> -<span id="L60" class="LineNr"> 60 </span> data<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L117'>line</a><span class="Delimiter">());</span> -<span id="L61" class="LineNr"> 61 </span> line& curr = data<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>back<span class="Delimiter">();</span> +<span id="L60" class="LineNr"> 60 </span> data<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L113'>line</a><span class="Delimiter">());</span> +<span id="L61" class="LineNr"> 61 </span> line& curr = data<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>back<span class="Delimiter">();</span> <span id="L62" class="LineNr"> 62 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Comment">/*</span><span class="Comment">skip start quote</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>value<span class="Delimiter">.</span>data<span class="Delimiter">)</span>-<span class="Comment">/*</span><span class="Comment">skip end quote</span><span class="Comment">*/</span><span class="Constant">1</span><span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L63" class="LineNr"> 63 </span> <span class="Normal">char</span> c = value<span class="Delimiter">.</span>data<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L64" class="LineNr"> 64 </span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L123'>word</a><span class="Delimiter">());</span> -<span id="L65" class="LineNr"> 65 </span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>data = <a href='030---operands.cc.html#L286'>hex_byte_to_string</a><span class="Delimiter">(</span>c<span class="Delimiter">);</span> -<span id="L66" class="LineNr"> 66 </span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>string<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">,</span> c<span class="Delimiter">));</span> +<span id="L64" class="LineNr"> 64 </span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L119'>word</a><span class="Delimiter">());</span> +<span id="L65" class="LineNr"> 65 </span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>data = <a href='030---operands.cc.html#L286'>hex_byte_to_string</a><span class="Delimiter">(</span>c<span class="Delimiter">);</span> +<span id="L66" class="LineNr"> 66 </span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>string<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">,</span> c<span class="Delimiter">));</span> <span id="L67" class="LineNr"> 67 </span> <span class="Delimiter">}</span> <span id="L68" class="LineNr"> 68 </span><span class="Delimiter">}</span> <span id="L69" class="LineNr"> 69 </span> @@ -134,9 +134,9 @@ if ('onhashchange' in window) { <span id="L73" class="LineNr"> 73 </span><span class="Delimiter">:(scenarios parse_instruction_character_by_character)</span> <span id="L74" class="LineNr"> 74 </span><span class="Delimiter">:(scenario instruction_with_string_literal)</span> <span id="L75" class="LineNr"> 75 </span>a <span class="Constant">"abc def"</span> z <span class="Comment"># two spaces inside string</span> -<span id="L76" class="LineNr"> 76 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: a</span> -<span id="L77" class="LineNr"> 77 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: "abc def"</span> -<span id="L78" class="LineNr"> 78 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: z</span> +<span id="L76" class="LineNr"> 76 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: a</span> +<span id="L77" class="LineNr"> 77 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: "abc def"</span> +<span id="L78" class="LineNr"> 78 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: z</span> <span id="L79" class="LineNr"> 79 </span><span class="Comment"># no other words</span> <span id="L80" class="LineNr"> 80 </span>$parse2: <span class="Constant">3</span> <span id="L81" class="LineNr"> 81 </span> @@ -155,7 +155,7 @@ if ('onhashchange' in window) { <span id="L94" class="LineNr"> 94 </span> <span class="Comment">// parse literals</span> <span id="L95" class="LineNr"> 95 </span> istringstream in<span class="Delimiter">(</span>line_data<span class="Delimiter">);</span> <span id="L96" class="LineNr"> 96 </span> in >> std::noskipws<span class="Delimiter">;</span> -<span id="L97" class="LineNr"> 97 </span> <a href='011run.cc.html#L117'>line</a> result<span class="Delimiter">;</span> +<span id="L97" class="LineNr"> 97 </span> <a href='011run.cc.html#L113'>line</a> result<span class="Delimiter">;</span> <span id="L98" class="LineNr"> 98 </span> <span class="Comment">// add tokens (words or strings) one by one</span> <span id="L99" class="LineNr"> 99 </span> <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L274'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span id="L100" class="LineNr">100 </span> <a href='038---literal_strings.cc.html#L151'>skip_whitespace</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span> @@ -168,7 +168,7 @@ if ('onhashchange' in window) { <span id="L107" class="LineNr">107 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>isspace<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">()))</span> <span id="L108" class="LineNr">108 </span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// '.' followed by space is comment token; skip</span> <span id="L109" class="LineNr">109 </span> <span class="Delimiter">}</span> -<span id="L110" class="LineNr">110 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L123'>word</a><span class="Delimiter">());</span> +<span id="L110" class="LineNr">110 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L119'>word</a><span class="Delimiter">());</span> <span id="L111" class="LineNr">111 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="Constant">'"'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L112" class="LineNr">112 </span> <span class="Comment">// slurp word data</span> <span id="L113" class="LineNr">113 </span> ostringstream d<span class="Delimiter">;</span> @@ -178,20 +178,20 @@ if ('onhashchange' in window) { <span id="L117" class="LineNr">117 </span> d << c<span class="Delimiter">;</span> <span id="L118" class="LineNr">118 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="Constant">'"'</span><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span> <span id="L119" class="LineNr">119 </span> <span class="Delimiter">}</span> -<span id="L120" class="LineNr">120 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>data = d<span class="Delimiter">.</span>str<span class="Delimiter">();</span> +<span id="L120" class="LineNr">120 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>data = d<span class="Delimiter">.</span>str<span class="Delimiter">();</span> <span id="L121" class="LineNr">121 </span> <span class="Comment">// slurp metadata</span> <span id="L122" class="LineNr">122 </span> ostringstream m<span class="Delimiter">;</span> <span id="L123" class="LineNr">123 </span> <span class="Normal">while</span> <span class="Delimiter">(</span>!isspace<span class="Delimiter">(</span>in<span class="Delimiter">.</span>peek<span class="Delimiter">())</span> && <a href='001help.cc.html#L274'>has_data</a><span class="Delimiter">(</span>in<span class="Delimiter">))</span> <span class="Delimiter">{</span> <span id="L124" class="LineNr">124 </span> in >> c<span class="Delimiter">;</span> <span id="L125" class="LineNr">125 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>c == <span class="Constant">'/'</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L126" class="LineNr">126 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!m<span class="Delimiter">.</span>str<span class="Delimiter">().</span>empty<span class="Delimiter">())</span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>m<span class="Delimiter">.</span>str<span class="Delimiter">());</span> +<span id="L126" class="LineNr">126 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!m<span class="Delimiter">.</span>str<span class="Delimiter">().</span>empty<span class="Delimiter">())</span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>m<span class="Delimiter">.</span>str<span class="Delimiter">());</span> <span id="L127" class="LineNr">127 </span> m<span class="Delimiter">.</span>str<span class="Delimiter">(</span><span class="Constant">""</span><span class="Delimiter">);</span> <span id="L128" class="LineNr">128 </span> <span class="Delimiter">}</span> <span id="L129" class="LineNr">129 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> <span id="L130" class="LineNr">130 </span> m << c<span class="Delimiter">;</span> <span id="L131" class="LineNr">131 </span> <span class="Delimiter">}</span> <span id="L132" class="LineNr">132 </span> <span class="Delimiter">}</span> -<span id="L133" class="LineNr">133 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!m<span class="Delimiter">.</span>str<span class="Delimiter">().</span>empty<span class="Delimiter">())</span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>m<span class="Delimiter">.</span>str<span class="Delimiter">());</span> +<span id="L133" class="LineNr">133 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!m<span class="Delimiter">.</span>str<span class="Delimiter">().</span>empty<span class="Delimiter">())</span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>m<span class="Delimiter">.</span>str<span class="Delimiter">());</span> <span id="L134" class="LineNr">134 </span> <span class="Delimiter">}</span> <span id="L135" class="LineNr">135 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> <span id="L136" class="LineNr">136 </span> <span class="Comment">// slurp all characters until whitespace</span> @@ -201,11 +201,11 @@ if ('onhashchange' in window) { <span id="L140" class="LineNr">140 </span> in >> c<span class="Delimiter">;</span> <span id="L141" class="LineNr">141 </span> w << c<span class="Delimiter">;</span> <span id="L142" class="LineNr">142 </span> <span class="Delimiter">}</span> -<span id="L143" class="LineNr">143 </span> <a href='011run.cc.html#L191'>parse_word</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>str<span class="Delimiter">(),</span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">());</span> +<span id="L143" class="LineNr">143 </span> <a href='011run.cc.html#L187'>parse_word</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>str<span class="Delimiter">(),</span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">());</span> <span id="L144" class="LineNr">144 </span> <span class="Delimiter">}</span> -<span id="L145" class="LineNr">145 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse2"</span><span class="Delimiter">)</span> << <span class="Constant">"word: "</span> << to_string<span class="Delimiter">(</span>result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">())</span> << end<span class="Delimiter">();</span> +<span id="L145" class="LineNr">145 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse2"</span><span class="Delimiter">)</span> << <span class="Constant">"word: "</span> << to_string<span class="Delimiter">(</span>result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">())</span> << end<span class="Delimiter">();</span> <span id="L146" class="LineNr">146 </span> <span class="Delimiter">}</span> -<span id="L147" class="LineNr">147 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> +<span id="L147" class="LineNr">147 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span id="L148" class="LineNr">148 </span> out<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>result<span class="Delimiter">);</span> <span id="L149" class="LineNr">149 </span><span class="Delimiter">}</span> <span id="L150" class="LineNr">150 </span> @@ -231,52 +231,52 @@ if ('onhashchange' in window) { <span id="L170" class="LineNr">170 </span> <span id="L171" class="LineNr">171 </span><span class="Delimiter">:(scenario parse2_comment_token_in_middle)</span> <span id="L172" class="LineNr">172 </span>a <span class="Delimiter">.</span> z -<span id="L173" class="LineNr">173 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: a</span> -<span id="L174" class="LineNr">174 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: z</span> -<span id="L175" class="LineNr">175 </span><span class="traceAbsent">-parse2: <a href='011run.cc.html#L123'>word</a>: .</span> +<span id="L173" class="LineNr">173 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: a</span> +<span id="L174" class="LineNr">174 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: z</span> +<span id="L175" class="LineNr">175 </span><span class="traceAbsent">-parse2: <a href='011run.cc.html#L119'>word</a>: .</span> <span id="L176" class="LineNr">176 </span><span class="Comment"># no other words</span> <span id="L177" class="LineNr">177 </span>$parse2: <span class="Constant">2</span> <span id="L178" class="LineNr">178 </span> <span id="L179" class="LineNr">179 </span><span class="Delimiter">:(scenario parse2_word_starting_with_dot)</span> <span id="L180" class="LineNr">180 </span>a <span class="Delimiter">.</span>b c -<span id="L181" class="LineNr">181 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: a</span> -<span id="L182" class="LineNr">182 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: .b</span> -<span id="L183" class="LineNr">183 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: c</span> +<span id="L181" class="LineNr">181 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: a</span> +<span id="L182" class="LineNr">182 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: .b</span> +<span id="L183" class="LineNr">183 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: c</span> <span id="L184" class="LineNr">184 </span> <span id="L185" class="LineNr">185 </span><span class="Delimiter">:(scenario parse2_comment_token_at_start)</span> <span id="L186" class="LineNr">186 </span><span class="Delimiter">.</span> a b -<span id="L187" class="LineNr">187 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: a</span> -<span id="L188" class="LineNr">188 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: b</span> -<span id="L189" class="LineNr">189 </span><span class="traceAbsent">-parse2: <a href='011run.cc.html#L123'>word</a>: .</span> +<span id="L187" class="LineNr">187 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: a</span> +<span id="L188" class="LineNr">188 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: b</span> +<span id="L189" class="LineNr">189 </span><span class="traceAbsent">-parse2: <a href='011run.cc.html#L119'>word</a>: .</span> <span id="L190" class="LineNr">190 </span> <span id="L191" class="LineNr">191 </span><span class="Delimiter">:(scenario parse2_comment_token_at_end)</span> <span id="L192" class="LineNr">192 </span>a b <span class="Delimiter">.</span> -<span id="L193" class="LineNr">193 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: a</span> -<span id="L194" class="LineNr">194 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: b</span> -<span id="L195" class="LineNr">195 </span><span class="traceAbsent">-parse2: <a href='011run.cc.html#L123'>word</a>: .</span> +<span id="L193" class="LineNr">193 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: a</span> +<span id="L194" class="LineNr">194 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: b</span> +<span id="L195" class="LineNr">195 </span><span class="traceAbsent">-parse2: <a href='011run.cc.html#L119'>word</a>: .</span> <span id="L196" class="LineNr">196 </span> <span id="L197" class="LineNr">197 </span><span class="Delimiter">:(scenario parse2_word_starting_with_dot_at_start)</span> <span id="L198" class="LineNr">198 </span><span class="Delimiter">.</span>a b c -<span id="L199" class="LineNr">199 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: .a</span> -<span id="L200" class="LineNr">200 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: b</span> -<span id="L201" class="LineNr">201 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: c</span> +<span id="L199" class="LineNr">199 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: .a</span> +<span id="L200" class="LineNr">200 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: b</span> +<span id="L201" class="LineNr">201 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: c</span> <span id="L202" class="LineNr">202 </span> <span id="L203" class="LineNr">203 </span><span class="Delimiter">:(scenario parse2_metadata)</span> <span id="L204" class="LineNr">204 </span><span class="Delimiter">.</span>a b/c d -<span id="L205" class="LineNr">205 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: .a</span> -<span id="L206" class="LineNr">206 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: b /c</span> -<span id="L207" class="LineNr">207 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: d</span> +<span id="L205" class="LineNr">205 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: .a</span> +<span id="L206" class="LineNr">206 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: b /c</span> +<span id="L207" class="LineNr">207 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: d</span> <span id="L208" class="LineNr">208 </span> <span id="L209" class="LineNr">209 </span><span class="Delimiter">:(scenario parse2_string_with_metadata)</span> <span id="L210" class="LineNr">210 </span>a <span class="Constant">"bc def"</span>/disp32 g -<span id="L211" class="LineNr">211 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: a</span> -<span id="L212" class="LineNr">212 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: "bc def" /disp32</span> -<span id="L213" class="LineNr">213 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: g</span> +<span id="L211" class="LineNr">211 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: a</span> +<span id="L212" class="LineNr">212 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: "bc def" /disp32</span> +<span id="L213" class="LineNr">213 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: g</span> <span id="L214" class="LineNr">214 </span> <span id="L215" class="LineNr">215 </span><span class="Delimiter">:(scenario parse2_string_with_metadata_at_end)</span> <span id="L216" class="LineNr">216 </span>a <span class="Constant">"bc def"</span>/disp32 -<span id="L217" class="LineNr">217 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: a</span> -<span id="L218" class="LineNr">218 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: "bc def" /disp32</span> +<span id="L217" class="LineNr">217 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: a</span> +<span id="L218" class="LineNr">218 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: "bc def" /disp32</span> <span id="L219" class="LineNr">219 </span> <span id="L220" class="LineNr">220 </span><span class="Delimiter">:(code)</span> <span id="L221" class="LineNr">221 </span><span class="Normal">void</span> <a href='038---literal_strings.cc.html#L221'>test_parse2_string_with_metadata_at_end_of_line_without_newline</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> @@ -284,8 +284,8 @@ if ('onhashchange' in window) { <span id="L223" class="LineNr">223 </span> <span class="Constant">"68/push \"</span>test\<span class="Constant">"/f"</span> <span class="Comment">// no newline, which is how calls from parse() will look</span> <span id="L224" class="LineNr">224 </span> <span class="Delimiter">);</span> <span id="L225" class="LineNr">225 </span> <a href='003trace.cc.html#L233'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span> -<span id="L226" class="LineNr">226 </span> <span class="Constant">"parse2: <a href='011run.cc.html#L123'>word</a>: 68 /push^D"</span> -<span id="L227" class="LineNr">227 </span> <span class="Constant">"parse2: <a href='011run.cc.html#L123'>word</a>: \"</span>test\<span class="Constant">" /f^D"</span> +<span id="L226" class="LineNr">226 </span> <span class="Constant">"parse2: <a href='011run.cc.html#L119'>word</a>: 68 /push^D"</span> +<span id="L227" class="LineNr">227 </span> <span class="Constant">"parse2: <a href='011run.cc.html#L119'>word</a>: \"</span>test\<span class="Constant">" /f^D"</span> <span id="L228" class="LineNr">228 </span> <span class="Delimiter">);</span> <span id="L229" class="LineNr">229 </span><span class="Delimiter">}</span> <span id="L230" class="LineNr">230 </span> @@ -293,7 +293,7 @@ if ('onhashchange' in window) { <span id="L232" class="LineNr">232 </span><span class="Comment">//: string to metadata.</span> <span id="L233" class="LineNr">233 </span><span class="Delimiter">:(scenario parse2_string_containing_slashes)</span> <span id="L234" class="LineNr">234 </span>a <span class="Constant">"bc/def"</span>/disp32 -<span id="L235" class="LineNr">235 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L123'>word</a>: "bc/def" /disp32</span> +<span id="L235" class="LineNr">235 </span><span class="traceContains">+parse2: <a href='011run.cc.html#L119'>word</a>: "bc/def" /disp32</span> </pre> </body> </html> diff --git a/html/subx/039debug.cc.html b/html/subx/039debug.cc.html index 542fb206..548a2d5d 100644 --- a/html/subx/039debug.cc.html +++ b/html/subx/039debug.cc.html @@ -59,7 +59,7 @@ if ('onhashchange' in window) { <pre id='vimCodeElement'> <span id="L1" class="LineNr"> 1 </span><span class="SalientComment">//:: Some helpers for debugging.</span> <span id="L2" class="LineNr"> 2 </span> -<span id="L3" class="LineNr"> 3 </span><span class="Comment">//: Load the 'map' file generated during 'subx --map translate' when running 'subx --map --dump run'.</span> +<span id="L3" class="LineNr"> 3 </span><span class="Comment">//: Load the 'map' file generated during 'subx --map translate' when running 'subx --map --trace run'.</span> <span id="L4" class="LineNr"> 4 </span><span class="Comment">//: (It'll only affect the trace.)</span> <span id="L5" class="LineNr"> 5 </span> <span id="L6" class="LineNr"> 6 </span><span class="Delimiter">:(before "End Globals")</span> @@ -80,8 +80,8 @@ if ('onhashchange' in window) { <span id="L21" class="LineNr">21 </span><span class="Delimiter">}</span> <span id="L22" class="LineNr">22 </span> <span id="L23" class="LineNr">23 </span><span class="Delimiter">:(after "Run One Instruction")</span> -<span id="L24" class="LineNr">24 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L256'>contains_key</a><span class="Delimiter">(</span><span class="Special"><a href='039debug.cc.html#L7'>Symbol_name</a></span><span class="Delimiter">,</span> <a href='010---vm.cc.html#L29'>EIP</a><span class="Delimiter">))</span> -<span id="L25" class="LineNr">25 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"== label "</span> << get<span class="Delimiter">(</span><span class="Special"><a href='039debug.cc.html#L7'>Symbol_name</a></span><span class="Delimiter">,</span> <a href='010---vm.cc.html#L29'>EIP</a><span class="Delimiter">)</span> << end<span class="Delimiter">();</span> +<span id="L24" class="LineNr">24 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L256'>contains_key</a><span class="Delimiter">(</span><span class="Special"><a href='039debug.cc.html#L7'>Symbol_name</a></span><span class="Delimiter">,</span> EIP<span class="Delimiter">))</span> +<span id="L25" class="LineNr">25 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"== label "</span> << get<span class="Delimiter">(</span><span class="Special"><a href='039debug.cc.html#L7'>Symbol_name</a></span><span class="Delimiter">,</span> EIP<span class="Delimiter">)</span> << end<span class="Delimiter">();</span> <span id="L26" class="LineNr">26 </span> <span id="L27" class="LineNr">27 </span><span class="Comment">//: If a label starts with '$watch-', make a note of the effective address</span> <span id="L28" class="LineNr">28 </span><span class="Comment">//: computed by the next instruction. Start dumping out its contents to the</span> @@ -105,8 +105,8 @@ if ('onhashchange' in window) { <span id="L46" class="LineNr">46 </span>string <span class="Special">Watch_this_effective_address</span><span class="Delimiter">;</span> <span id="L47" class="LineNr">47 </span><span class="Delimiter">:(after "Run One Instruction")</span> <span id="L48" class="LineNr">48 </span><span class="Special">Watch_this_effective_address</span> = <span class="Constant">""</span><span class="Delimiter">;</span> -<span id="L49" class="LineNr">49 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L256'>contains_key</a><span class="Delimiter">(</span><span class="Special"><a href='039debug.cc.html#L7'>Symbol_name</a></span><span class="Delimiter">,</span> <a href='010---vm.cc.html#L29'>EIP</a><span class="Delimiter">)</span> && <a href='001help.cc.html#L102'>starts_with</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special"><a href='039debug.cc.html#L7'>Symbol_name</a></span><span class="Delimiter">,</span> <a href='010---vm.cc.html#L29'>EIP</a><span class="Delimiter">),</span> <span class="Constant">"$watch-"</span><span class="Delimiter">))</span> -<span id="L50" class="LineNr">50 </span> <span class="Special">Watch_this_effective_address</span> = get<span class="Delimiter">(</span><span class="Special"><a href='039debug.cc.html#L7'>Symbol_name</a></span><span class="Delimiter">,</span> <a href='010---vm.cc.html#L29'>EIP</a><span class="Delimiter">);</span> +<span id="L49" class="LineNr">49 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L256'>contains_key</a><span class="Delimiter">(</span><span class="Special"><a href='039debug.cc.html#L7'>Symbol_name</a></span><span class="Delimiter">,</span> EIP<span class="Delimiter">)</span> && <a href='001help.cc.html#L102'>starts_with</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special"><a href='039debug.cc.html#L7'>Symbol_name</a></span><span class="Delimiter">,</span> EIP<span class="Delimiter">),</span> <span class="Constant">"$watch-"</span><span class="Delimiter">))</span> +<span id="L50" class="LineNr">50 </span> <span class="Special">Watch_this_effective_address</span> = get<span class="Delimiter">(</span><span class="Special"><a href='039debug.cc.html#L7'>Symbol_name</a></span><span class="Delimiter">,</span> EIP<span class="Delimiter">);</span> <span id="L51" class="LineNr">51 </span><span class="Delimiter">:(after "Found effective_address(addr)")</span> <span id="L52" class="LineNr">52 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!<span class="Special">Watch_this_effective_address</span><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span> <span id="L53" class="LineNr">53 </span> <a href='003trace.cc.html#L186'>dbg</a> << <span class="Constant">"now watching "</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << addr << <span class="Constant">" for "</span> << <span class="Special">Watch_this_effective_address</span> << end<span class="Delimiter">();</span> diff --git a/html/subx/040---tests.cc.html b/html/subx/040---tests.cc.html index 54ff7bbd..1ea1d22f 100644 --- a/html/subx/040---tests.cc.html +++ b/html/subx/040---tests.cc.html @@ -72,7 +72,7 @@ if ('onhashchange' in window) { <span id="L11" class="LineNr">11 </span><span class="Comment">//: knows about labels and will emit labels for previous layers to transform.</span> <span id="L12" class="LineNr">12 </span><span class="Delimiter">:(after "Begin Transforms")</span> <span id="L13" class="LineNr">13 </span><span class="Comment">// Begin Level-4 Transforms</span> -<span id="L14" class="LineNr">14 </span><span class="Special"><a href='011run.cc.html#L229'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>create_test_function<span class="Delimiter">);</span> +<span id="L14" class="LineNr">14 </span><span class="Special"><a href='011run.cc.html#L225'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>create_test_function<span class="Delimiter">);</span> <span id="L15" class="LineNr">15 </span><span class="Comment">// End Level-4 Transforms</span> <span id="L16" class="LineNr">16 </span> <span id="L17" class="LineNr">17 </span><span class="Delimiter">:(scenario run_test)</span> @@ -91,65 +91,65 @@ if ('onhashchange' in window) { <span id="L30" class="LineNr">30 </span> <span id="L31" class="LineNr">31 </span><span class="Delimiter">:(code)</span> <span id="L32" class="LineNr">32 </span><span class="Normal">void</span> create_test_function<span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L33" class="LineNr">33 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L34" class="LineNr">34 </span> segment& <a href='031check_operands.cc.html#L11'>code</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> +<span id="L33" class="LineNr">33 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L34" class="LineNr">34 </span> segment& <a href='031check_operands.cc.html#L11'>code</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span id="L35" class="LineNr">35 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"-- create 'run-tests'"</span> << end<span class="Delimiter">();</span> <span id="L36" class="LineNr">36 </span> vector<line> <a href='040---tests.cc.html#L36'>new_insts</a><span class="Delimiter">;</span> -<span id="L37" class="LineNr">37 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L38" class="LineNr">38 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L39" class="LineNr">39 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L40" class="LineNr">40 </span> <span class="Normal">const</span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> +<span id="L37" class="LineNr">37 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L38" class="LineNr">38 </span> line& inst = <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L39" class="LineNr">39 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L40" class="LineNr">40 </span> <span class="Normal">const</span> word& curr = inst<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span> <span id="L41" class="LineNr">41 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>*curr<span class="Delimiter">.</span>data<span class="Delimiter">.</span>rbegin<span class="Delimiter">()</span> != <span class="Constant">':'</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// not a label</span> <span id="L42" class="LineNr">42 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!starts_with<span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">,</span> <span class="Constant">"test-"</span><span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> -<span id="L43" class="LineNr">43 </span> string fn = <a href='035labels.cc.html#L213'>drop_last</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> +<span id="L43" class="LineNr">43 </span> string fn = <a href='035labels.cc.html#L234'>drop_last</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L44" class="LineNr">44 </span> <a href='040---tests.cc.html#L36'>new_insts</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>call<span class="Delimiter">(</span>fn<span class="Delimiter">));</span> <span id="L45" class="LineNr">45 </span> <span class="Delimiter">}</span> <span id="L46" class="LineNr">46 </span> <span class="Delimiter">}</span> <span id="L47" class="LineNr">47 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='040---tests.cc.html#L36'>new_insts</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span class="Comment">// no tests found</span> -<span id="L48" class="LineNr">48 </span> <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>label<span class="Delimiter">(</span><span class="Constant">"run-tests"</span><span class="Delimiter">));</span> -<span id="L49" class="LineNr">49 </span> <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>insert<span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>end<span class="Delimiter">(),</span> <a href='040---tests.cc.html#L36'>new_insts</a><span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> <a href='040---tests.cc.html#L36'>new_insts</a><span class="Delimiter">.</span>end<span class="Delimiter">());</span> -<span id="L50" class="LineNr">50 </span> <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>ret<span class="Delimiter">());</span> +<span id="L48" class="LineNr">48 </span> <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>label<span class="Delimiter">(</span><span class="Constant">"run-tests"</span><span class="Delimiter">));</span> +<span id="L49" class="LineNr">49 </span> <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>insert<span class="Delimiter">(</span><a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>end<span class="Delimiter">(),</span> <a href='040---tests.cc.html#L36'>new_insts</a><span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> <a href='040---tests.cc.html#L36'>new_insts</a><span class="Delimiter">.</span>end<span class="Delimiter">());</span> +<span id="L50" class="LineNr">50 </span> <a href='031check_operands.cc.html#L11'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>ret<span class="Delimiter">());</span> <span id="L51" class="LineNr">51 </span><span class="Delimiter">}</span> <span id="L52" class="LineNr">52 </span> <span id="L53" class="LineNr">53 </span>string to_string<span class="Delimiter">(</span><span class="Normal">const</span> segment& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L54" class="LineNr">54 </span> ostringstream out<span class="Delimiter">;</span> -<span id="L55" class="LineNr">55 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L56" class="LineNr">56 </span> <span class="Normal">const</span> line& l = s<span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L57" class="LineNr">57 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>l<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L55" class="LineNr">55 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L56" class="LineNr">56 </span> <span class="Normal">const</span> line& l = s<span class="Delimiter">.</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L57" class="LineNr">57 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span> j < <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>l<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">);</span> ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L58" class="LineNr">58 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>j > <span class="Constant">0</span><span class="Delimiter">)</span> out << <span class="Constant">' '</span><span class="Delimiter">;</span> -<span id="L59" class="LineNr">59 </span> out << to_string<span class="Delimiter">(</span>l<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">));</span> +<span id="L59" class="LineNr">59 </span> out << to_string<span class="Delimiter">(</span>l<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">));</span> <span id="L60" class="LineNr">60 </span> <span class="Delimiter">}</span> <span id="L61" class="LineNr">61 </span> out << <span class="cSpecial">'\n'</span><span class="Delimiter">;</span> <span id="L62" class="LineNr">62 </span> <span class="Delimiter">}</span> <span id="L63" class="LineNr">63 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> <span id="L64" class="LineNr">64 </span><span class="Delimiter">}</span> <span id="L65" class="LineNr">65 </span> -<span id="L66" class="LineNr">66 </span><a href='011run.cc.html#L117'>line</a> call<span class="Delimiter">(</span>string s<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L67" class="LineNr">67 </span> <a href='011run.cc.html#L117'>line</a> result<span class="Delimiter">;</span> -<span id="L68" class="LineNr">68 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>call<span class="Delimiter">());</span> -<span id="L69" class="LineNr">69 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>disp32<span class="Delimiter">(</span>s<span class="Delimiter">));</span> +<span id="L66" class="LineNr">66 </span><a href='011run.cc.html#L113'>line</a> call<span class="Delimiter">(</span>string s<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L67" class="LineNr">67 </span> <a href='011run.cc.html#L113'>line</a> result<span class="Delimiter">;</span> +<span id="L68" class="LineNr">68 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>call<span class="Delimiter">());</span> +<span id="L69" class="LineNr">69 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>disp32<span class="Delimiter">(</span>s<span class="Delimiter">));</span> <span id="L70" class="LineNr">70 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> <span id="L71" class="LineNr">71 </span><span class="Delimiter">}</span> <span id="L72" class="LineNr">72 </span> -<span id="L73" class="LineNr">73 </span><a href='011run.cc.html#L123'>word</a> call<span class="Delimiter">()</span> <span class="Delimiter">{</span> -<span id="L74" class="LineNr">74 </span> <a href='011run.cc.html#L123'>word</a> result<span class="Delimiter">;</span> +<span id="L73" class="LineNr">73 </span><a href='011run.cc.html#L119'>word</a> call<span class="Delimiter">()</span> <span class="Delimiter">{</span> +<span id="L74" class="LineNr">74 </span> <a href='011run.cc.html#L119'>word</a> result<span class="Delimiter">;</span> <span id="L75" class="LineNr">75 </span> result<span class="Delimiter">.</span>data = <span class="Constant">"e8"</span><span class="Delimiter">;</span> <span id="L76" class="LineNr">76 </span> result<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><span class="Constant">"call"</span><span class="Delimiter">);</span> <span id="L77" class="LineNr">77 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> <span id="L78" class="LineNr">78 </span><span class="Delimiter">}</span> <span id="L79" class="LineNr">79 </span> -<span id="L80" class="LineNr">80 </span><a href='011run.cc.html#L123'>word</a> disp32<span class="Delimiter">(</span>string s<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L81" class="LineNr">81 </span> <a href='011run.cc.html#L123'>word</a> result<span class="Delimiter">;</span> +<span id="L80" class="LineNr">80 </span><a href='011run.cc.html#L119'>word</a> disp32<span class="Delimiter">(</span>string s<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L81" class="LineNr">81 </span> <a href='011run.cc.html#L119'>word</a> result<span class="Delimiter">;</span> <span id="L82" class="LineNr">82 </span> result<span class="Delimiter">.</span>data = s<span class="Delimiter">;</span> <span id="L83" class="LineNr">83 </span> result<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><span class="Constant">"disp32"</span><span class="Delimiter">);</span> <span id="L84" class="LineNr">84 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> <span id="L85" class="LineNr">85 </span><span class="Delimiter">}</span> <span id="L86" class="LineNr">86 </span> -<span id="L87" class="LineNr">87 </span><a href='011run.cc.html#L117'>line</a> ret<span class="Delimiter">()</span> <span class="Delimiter">{</span> -<span id="L88" class="LineNr">88 </span> <a href='011run.cc.html#L117'>line</a> result<span class="Delimiter">;</span> -<span id="L89" class="LineNr">89 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L123'>word</a><span class="Delimiter">());</span> -<span id="L90" class="LineNr">90 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>data = <span class="Constant">"c3"</span><span class="Delimiter">;</span> -<span id="L91" class="LineNr">91 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><span class="Constant">"return"</span><span class="Delimiter">);</span> +<span id="L87" class="LineNr">87 </span><a href='011run.cc.html#L113'>line</a> ret<span class="Delimiter">()</span> <span class="Delimiter">{</span> +<span id="L88" class="LineNr">88 </span> <a href='011run.cc.html#L113'>line</a> result<span class="Delimiter">;</span> +<span id="L89" class="LineNr">89 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L119'>word</a><span class="Delimiter">());</span> +<span id="L90" class="LineNr">90 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>data = <span class="Constant">"c3"</span><span class="Delimiter">;</span> +<span id="L91" class="LineNr">91 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L114'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><span class="Constant">"return"</span><span class="Delimiter">);</span> <span id="L92" class="LineNr">92 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> <span id="L93" class="LineNr">93 </span><span class="Delimiter">}</span> </pre> diff --git a/html/subx/050_write.subx.html b/html/subx/050_write.subx.html index b7e6bffc..78d9cf0c 100644 --- a/html/subx/050_write.subx.html +++ b/html/subx/050_write.subx.html @@ -18,6 +18,7 @@ a { color:inherit; } .subxS2Comment { color: #8a8a8a; } .LineNr { } .subxS1Comment { color: #0000af; } +.SpecialChar { color: #d70000; } .Constant { color: #008787; } .subxMinorFunction { color: #875f5f; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } @@ -63,8 +64,8 @@ if ('onhashchange' in window) { <span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L7" class="LineNr"> 7 </span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># main:</span> -<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># syscall(exit, 0) -- can't test _write just yet</span> +<span id="L8" class="LineNr"> 8 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># just exit; can't test _write just yet</span> +<span id="L9" class="LineNr"> 9 </span> <span class="subxS1Comment"># . syscall(exit, 0)</span> <span id="L10" class="LineNr">10 </span> bb/copy-to-EBX 0/imm32 <span id="L11" class="LineNr">11 </span> b8/copy-to-EAX 1/imm32/exit <span id="L12" class="LineNr">12 </span> cd/syscall 0x80/imm8 diff --git a/html/subx/051test.subx.html b/html/subx/051test.subx.html index 46483a62..4b854b84 100644 --- a/html/subx/051test.subx.html +++ b/html/subx/051test.subx.html @@ -64,7 +64,7 @@ if ('onhashchange' in window) { <span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L7" class="LineNr"> 7 </span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># main: (manual test if this is the last file loaded)</span> +<span id="L8" class="LineNr"> 8 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># manual test</span> <span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># check-ints-equal(34, 34)</span> <span id="L10" class="LineNr">10 </span> <span class="subxS2Comment"># . . push args</span> <span id="L11" class="LineNr">11 </span> 68/push <span class="Constant">"error in check-ints-equal"</span>/imm32 @@ -141,13 +141,13 @@ if ('onhashchange' in window) { <span id="L82" class="LineNr">82 </span><span class="subxComment"># convenient to have when printing messages and so on</span> <span id="L83" class="LineNr">83 </span><span class="SpecialChar">Newline</span>: <span id="L84" class="LineNr">84 </span> <span class="subxComment"># size</span> -<span id="L85" class="LineNr">85 </span> 01 00 00 00 +<span id="L85" class="LineNr">85 </span> 1/imm32 <span id="L86" class="LineNr">86 </span> <span class="subxComment"># data</span> <span id="L87" class="LineNr">87 </span> 0a/newline <span id="L88" class="LineNr">88 </span> <span id="L89" class="LineNr">89 </span><span class="subxComment"># every test failure increments this counter</span> <span id="L90" class="LineNr">90 </span><span class="SpecialChar">Num-test-failures</span>: -<span id="L91" class="LineNr">91 </span> 00 00 00 00 +<span id="L91" class="LineNr">91 </span> 0/imm32 <span id="L92" class="LineNr">92 </span> <span id="L93" class="LineNr">93 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> diff --git a/html/subx/052kernel-string-equal.subx.html b/html/subx/052kernel-string-equal.subx.html index e614d3a5..f1258e3c 100644 --- a/html/subx/052kernel-string-equal.subx.html +++ b/html/subx/052kernel-string-equal.subx.html @@ -81,7 +81,7 @@ if ('onhashchange' in window) { <span id="L19" class="LineNr"> 19 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L20" class="LineNr"> 20 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L21" class="LineNr"> 21 </span> -<span id="L22" class="LineNr"> 22 </span><span class="subxComment"># main:</span> +<span id="L22" class="LineNr"> 22 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># run all tests</span> <span id="L23" class="LineNr"> 23 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> <span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> <span id="L25" class="LineNr"> 25 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> diff --git a/html/subx/053new-segment.subx.html b/html/subx/053new-segment.subx.html index cce753d5..d2aa0b40 100644 --- a/html/subx/053new-segment.subx.html +++ b/html/subx/053new-segment.subx.html @@ -19,6 +19,7 @@ a { color:inherit; } .subxMinorFunction { color: #875f5f; } .LineNr { } .subxS1Comment { color: #0000af; } +.SpecialChar { color: #d70000; } .subxFunction { color: #af5f00; text-decoration: underline; } .Constant { color: #008787; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } @@ -64,7 +65,7 @@ if ('onhashchange' in window) { <span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L7" class="LineNr"> 7 </span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># main: (manual test if this is the last file loaded)</span> +<span id="L8" class="LineNr"> 8 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># manual test</span> <span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># EAX = new-segment(0x1000)</span> <span id="L10" class="LineNr">10 </span> <span class="subxS2Comment"># . . push args</span> <span id="L11" class="LineNr">11 </span> 68/push 0x1000/imm32 @@ -107,17 +108,17 @@ if ('onhashchange' in window) { <span id="L48" class="LineNr">48 </span><span class="subxComment"># various constants used here were found in the Linux sources (search for file mman-common.h)</span> <span id="L49" class="LineNr">49 </span><span class="subxMinorFunction">_mmap-new-segment</span>: <span class="subxComment"># type mmap_arg_struct</span> <span id="L50" class="LineNr">50 </span> <span class="subxComment"># addr</span> -<span id="L51" class="LineNr">51 </span> 00 00 00 00 <span class="subxComment"># null</span> +<span id="L51" class="LineNr">51 </span> 0/imm32 <span id="L52" class="LineNr">52 </span> <span class="subxComment"># len</span> -<span id="L53" class="LineNr">53 </span> 00 00 00 00 <span class="subxComment"># 0x1000</span> +<span id="L53" class="LineNr">53 </span> 0/imm32 <span id="L54" class="LineNr">54 </span> <span class="subxComment"># protection flags</span> -<span id="L55" class="LineNr">55 </span> 03 00 00 00 <span class="subxComment"># PROT_READ | PROT_WRITE</span> +<span id="L55" class="LineNr">55 </span> 3/imm32 <span class="subxComment"># PROT_READ | PROT_WRITE</span> <span id="L56" class="LineNr">56 </span> <span class="subxComment"># sharing flags</span> -<span id="L57" class="LineNr">57 </span> 22 00 00 00 <span class="subxComment"># MAP_PRIVATE | MAP_ANONYMOUS</span> +<span id="L57" class="LineNr">57 </span> 0x22/imm32 <span class="subxComment"># MAP_PRIVATE | MAP_ANONYMOUS</span> <span id="L58" class="LineNr">58 </span> <span class="subxComment"># fd</span> -<span id="L59" class="LineNr">59 </span> ff ff ff ff <span class="subxComment"># -1 since MAP_ANONYMOUS is specified</span> +<span id="L59" class="LineNr">59 </span> -1/imm32 <span class="subxComment"># since MAP_ANONYMOUS is specified</span> <span id="L60" class="LineNr">60 </span> <span class="subxComment"># offset</span> -<span id="L61" class="LineNr">61 </span> 00 00 00 00 <span class="subxComment"># 0 since MAP_ANONYMOUS is specified</span> +<span id="L61" class="LineNr">61 </span> 0/imm32 <span class="subxComment"># since MAP_ANONYMOUS is specified</span> <span id="L62" class="LineNr">62 </span> <span id="L63" class="LineNr">63 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> diff --git a/html/subx/054string-equal.subx.html b/html/subx/054string-equal.subx.html index 99c372f1..d03ed04a 100644 --- a/html/subx/054string-equal.subx.html +++ b/html/subx/054string-equal.subx.html @@ -18,12 +18,12 @@ a { color:inherit; } .Constant { color: #008787; } .LineNr { } .subxS1Comment { color: #0000af; } -.CommentedCode { color: #8a8a8a; } +.SpecialChar { color: #d70000; } .subxFunction { color: #af5f00; text-decoration: underline; } .subxTest { color: #5f8700; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } .subxS2Comment { color: #8a8a8a; } -.SpecialChar { color: #d70000; } +.CommentedCode { color: #8a8a8a; } .subxH1Comment { color: #005faf; text-decoration: underline; } --> </style> @@ -67,182 +67,181 @@ if ('onhashchange' in window) { <span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L7" class="LineNr"> 7 </span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># main:</span> -<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># run-tests()</span> -<span id="L10" class="LineNr"> 10 </span><span class="CommentedCode">#? e8/call test-compare-equal-strings/disp32</span> -<span id="L11" class="LineNr"> 11 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L12" class="LineNr"> 12 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L13" class="LineNr"> 13 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L14" class="LineNr"> 14 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L15" class="LineNr"> 15 </span> cd/syscall 0x80/imm8 -<span id="L16" class="LineNr"> 16 </span> -<span id="L17" class="LineNr"> 17 </span><span class="subxFunction">string-equal?</span>: <span class="subxComment"># s : (address string), benchmark : (address string) -> EAX : boolean</span> -<span id="L18" class="LineNr"> 18 </span> <span class="subxComment"># pseudocode:</span> -<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># lens = s->length</span> -<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># if (lens != benchmark->length) return false</span> -<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># i = 0</span> -<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># currs = s->data</span> -<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># currb = benchmark->data</span> -<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># while (i < s->length)</span> -<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># c1 = *currs</span> -<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># c2 = *currb</span> -<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># if (c1 != c2) return false</span> -<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># ++i, ++currs, ++currb</span> -<span id="L29" class="LineNr"> 29 </span> <span class="subxComment"># return true</span> -<span id="L30" class="LineNr"> 30 </span> <span class="subxComment">#</span> -<span id="L31" class="LineNr"> 31 </span> <span class="subxComment"># registers:</span> -<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># i: ECX</span> -<span id="L33" class="LineNr"> 33 </span> <span class="subxComment"># lens: EDX</span> -<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># currs: ESI</span> -<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># currb: EDI</span> -<span id="L36" class="LineNr"> 36 </span> <span class="subxComment"># c1: EAX</span> -<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># c2: EBX</span> -<span id="L38" class="LineNr"> 38 </span> <span class="subxComment">#</span> -<span id="L39" class="LineNr"> 39 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L40" class="LineNr"> 40 </span> 55/push-EBP -<span id="L41" class="LineNr"> 41 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L42" class="LineNr"> 42 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L43" class="LineNr"> 43 </span> 51/push-ECX -<span id="L44" class="LineNr"> 44 </span> 52/push-EDX -<span id="L45" class="LineNr"> 45 </span> 53/push-EBX -<span id="L46" class="LineNr"> 46 </span> 56/push-ESI -<span id="L47" class="LineNr"> 47 </span> 57/push-EDI -<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># ESI = s</span> -<span id="L49" class="LineNr"> 49 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># EDI = benchmark</span> -<span id="L51" class="LineNr"> 51 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> -<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># lens/EDX = s->length</span> -<span id="L53" class="LineNr"> 53 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EDX</span> -<span id="L54" class="LineNr"> 54 </span><span class="Constant">$string-equal?:lengths</span>: -<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># if (lens != benchmark->length) return false</span> -<span id="L56" class="LineNr"> 56 </span> 39/compare 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *EDI with EDX</span> -<span id="L57" class="LineNr"> 57 </span> 75/jump-if-not-equal $string-equal?:false/disp8 -<span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># currs/ESI = s->data</span> -<span id="L59" class="LineNr"> 59 </span> 81 0/subop/add 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESI</span> -<span id="L60" class="LineNr"> 60 </span> <span class="subxComment"># currb/EDI = benchmark->data</span> -<span id="L61" class="LineNr"> 61 </span> 81 0/subop/add 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to EDI</span> -<span id="L62" class="LineNr"> 62 </span> <span class="subxComment"># i/ECX = c1/EAX = c2/EBX = 0</span> -<span id="L63" class="LineNr"> 63 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> -<span id="L64" class="LineNr"> 64 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L65" class="LineNr"> 65 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> -<span id="L66" class="LineNr"> 66 </span><span class="Constant">$string-equal?:loop</span>: -<span id="L67" class="LineNr"> 67 </span> <span class="subxComment"># if (i >= lens) return true</span> -<span id="L68" class="LineNr"> 68 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> -<span id="L69" class="LineNr"> 69 </span> 7d/jump-if-greater-or-equal $string-equal?:true/disp8 -<span id="L70" class="LineNr"> 70 </span> <span class="subxComment"># c1 = *currs</span> -<span id="L71" class="LineNr"> 71 </span> 8a/copy-byte 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ESI to AL</span> -<span id="L72" class="LineNr"> 72 </span> <span class="subxComment"># c2 = *currb</span> -<span id="L73" class="LineNr"> 73 </span> 8a/copy-byte 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EDI to BL</span> -<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># if (c1 != c2) return false</span> -<span id="L75" class="LineNr"> 75 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX with EBX</span> -<span id="L76" class="LineNr"> 76 </span> 75/jump-if-not-equal $string-equal?:false/disp8 -<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># ++i</span> -<span id="L78" class="LineNr"> 78 </span> 41/inc-ECX -<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># ++currs</span> -<span id="L80" class="LineNr"> 80 </span> 46/inc-ESI -<span id="L81" class="LineNr"> 81 </span> <span class="subxComment"># ++currb</span> -<span id="L82" class="LineNr"> 82 </span> 47/inc-EDI -<span id="L83" class="LineNr"> 83 </span> eb/jump $string-equal?:loop/disp8 -<span id="L84" class="LineNr"> 84 </span><span class="Constant">$string-equal?:true</span>: -<span id="L85" class="LineNr"> 85 </span> b8/copy-to-EAX 1/imm32 -<span id="L86" class="LineNr"> 86 </span> eb/jump $string-equal?:end/disp8 -<span id="L87" class="LineNr"> 87 </span><span class="Constant">$string-equal?:false</span>: -<span id="L88" class="LineNr"> 88 </span> b8/copy-to-EAX 0/imm32 -<span id="L89" class="LineNr"> 89 </span><span class="Constant">$string-equal?:end</span>: -<span id="L90" class="LineNr"> 90 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L91" class="LineNr"> 91 </span> 5f/pop-to-EDI -<span id="L92" class="LineNr"> 92 </span> 5e/pop-to-ESI -<span id="L93" class="LineNr"> 93 </span> 5b/pop-to-EBX -<span id="L94" class="LineNr"> 94 </span> 5a/pop-to-EDX -<span id="L95" class="LineNr"> 95 </span> 59/pop-to-ECX -<span id="L96" class="LineNr"> 96 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L97" class="LineNr"> 97 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L98" class="LineNr"> 98 </span> 5d/pop-to-EBP -<span id="L99" class="LineNr"> 99 </span> c3/return -<span id="L100" class="LineNr">100 </span> -<span id="L101" class="LineNr">101 </span><span class="subxH1Comment"># - tests</span> -<span id="L102" class="LineNr">102 </span> -<span id="L103" class="LineNr">103 </span><span class="subxTest">test-compare-empty-with-empty-string</span>: -<span id="L104" class="LineNr">104 </span> <span class="subxComment"># EAX = string-equal?("", "")</span> -<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L8" class="LineNr"> 8 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># run all tests</span> +<span id="L9" class="LineNr"> 9 </span><span class="CommentedCode">#? e8/call test-compare-equal-strings/disp32</span> +<span id="L10" class="LineNr"> 10 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> +<span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> +<span id="L12" class="LineNr"> 12 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> +<span id="L13" class="LineNr"> 13 </span> b8/copy-to-EAX 1/imm32/exit +<span id="L14" class="LineNr"> 14 </span> cd/syscall 0x80/imm8 +<span id="L15" class="LineNr"> 15 </span> +<span id="L16" class="LineNr"> 16 </span><span class="subxFunction">string-equal?</span>: <span class="subxComment"># s : (address string), benchmark : (address string) -> EAX : boolean</span> +<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># pseudocode:</span> +<span id="L18" class="LineNr"> 18 </span> <span class="subxComment"># lens = s->length</span> +<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># if (lens != benchmark->length) return false</span> +<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># i = 0</span> +<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># currs = s->data</span> +<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># currb = benchmark->data</span> +<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># while (i < s->length)</span> +<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># c1 = *currs</span> +<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># c2 = *currb</span> +<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># if (c1 != c2) return false</span> +<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># ++i, ++currs, ++currb</span> +<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># return true</span> +<span id="L29" class="LineNr"> 29 </span> <span class="subxComment">#</span> +<span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># registers:</span> +<span id="L31" class="LineNr"> 31 </span> <span class="subxComment"># i: ECX</span> +<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># lens: EDX</span> +<span id="L33" class="LineNr"> 33 </span> <span class="subxComment"># currs: ESI</span> +<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># currb: EDI</span> +<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># c1: EAX</span> +<span id="L36" class="LineNr"> 36 </span> <span class="subxComment"># c2: EBX</span> +<span id="L37" class="LineNr"> 37 </span> <span class="subxComment">#</span> +<span id="L38" class="LineNr"> 38 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L39" class="LineNr"> 39 </span> 55/push-EBP +<span id="L40" class="LineNr"> 40 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L42" class="LineNr"> 42 </span> 51/push-ECX +<span id="L43" class="LineNr"> 43 </span> 52/push-EDX +<span id="L44" class="LineNr"> 44 </span> 53/push-EBX +<span id="L45" class="LineNr"> 45 </span> 56/push-ESI +<span id="L46" class="LineNr"> 46 </span> 57/push-EDI +<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># ESI = s</span> +<span id="L48" class="LineNr"> 48 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># EDI = benchmark</span> +<span id="L50" class="LineNr"> 50 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> +<span id="L51" class="LineNr"> 51 </span> <span class="subxComment"># lens/EDX = s->length</span> +<span id="L52" class="LineNr"> 52 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EDX</span> +<span id="L53" class="LineNr"> 53 </span><span class="Constant">$string-equal?:lengths</span>: +<span id="L54" class="LineNr"> 54 </span> <span class="subxComment"># if (lens != benchmark->length) return false</span> +<span id="L55" class="LineNr"> 55 </span> 39/compare 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *EDI with EDX</span> +<span id="L56" class="LineNr"> 56 </span> 75/jump-if-not-equal $string-equal?:false/disp8 +<span id="L57" class="LineNr"> 57 </span> <span class="subxComment"># currs/ESI = s->data</span> +<span id="L58" class="LineNr"> 58 </span> 81 0/subop/add 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESI</span> +<span id="L59" class="LineNr"> 59 </span> <span class="subxComment"># currb/EDI = benchmark->data</span> +<span id="L60" class="LineNr"> 60 </span> 81 0/subop/add 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to EDI</span> +<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># i/ECX = c1/EAX = c2/EBX = 0</span> +<span id="L62" class="LineNr"> 62 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> +<span id="L63" class="LineNr"> 63 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L64" class="LineNr"> 64 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> +<span id="L65" class="LineNr"> 65 </span><span class="Constant">$string-equal?:loop</span>: +<span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># if (i >= lens) return true</span> +<span id="L67" class="LineNr"> 67 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> +<span id="L68" class="LineNr"> 68 </span> 7d/jump-if-greater-or-equal $string-equal?:true/disp8 +<span id="L69" class="LineNr"> 69 </span> <span class="subxComment"># c1 = *currs</span> +<span id="L70" class="LineNr"> 70 </span> 8a/copy-byte 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ESI to AL</span> +<span id="L71" class="LineNr"> 71 </span> <span class="subxComment"># c2 = *currb</span> +<span id="L72" class="LineNr"> 72 </span> 8a/copy-byte 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EDI to BL</span> +<span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># if (c1 != c2) return false</span> +<span id="L74" class="LineNr"> 74 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX with EBX</span> +<span id="L75" class="LineNr"> 75 </span> 75/jump-if-not-equal $string-equal?:false/disp8 +<span id="L76" class="LineNr"> 76 </span> <span class="subxComment"># ++i</span> +<span id="L77" class="LineNr"> 77 </span> 41/inc-ECX +<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># ++currs</span> +<span id="L79" class="LineNr"> 79 </span> 46/inc-ESI +<span id="L80" class="LineNr"> 80 </span> <span class="subxComment"># ++currb</span> +<span id="L81" class="LineNr"> 81 </span> 47/inc-EDI +<span id="L82" class="LineNr"> 82 </span> eb/jump $string-equal?:loop/disp8 +<span id="L83" class="LineNr"> 83 </span><span class="Constant">$string-equal?:true</span>: +<span id="L84" class="LineNr"> 84 </span> b8/copy-to-EAX 1/imm32 +<span id="L85" class="LineNr"> 85 </span> eb/jump $string-equal?:end/disp8 +<span id="L86" class="LineNr"> 86 </span><span class="Constant">$string-equal?:false</span>: +<span id="L87" class="LineNr"> 87 </span> b8/copy-to-EAX 0/imm32 +<span id="L88" class="LineNr"> 88 </span><span class="Constant">$string-equal?:end</span>: +<span id="L89" class="LineNr"> 89 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L90" class="LineNr"> 90 </span> 5f/pop-to-EDI +<span id="L91" class="LineNr"> 91 </span> 5e/pop-to-ESI +<span id="L92" class="LineNr"> 92 </span> 5b/pop-to-EBX +<span id="L93" class="LineNr"> 93 </span> 5a/pop-to-EDX +<span id="L94" class="LineNr"> 94 </span> 59/pop-to-ECX +<span id="L95" class="LineNr"> 95 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L96" class="LineNr"> 96 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L97" class="LineNr"> 97 </span> 5d/pop-to-EBP +<span id="L98" class="LineNr"> 98 </span> c3/return +<span id="L99" class="LineNr"> 99 </span> +<span id="L100" class="LineNr">100 </span><span class="subxH1Comment"># - tests</span> +<span id="L101" class="LineNr">101 </span> +<span id="L102" class="LineNr">102 </span><span class="subxTest">test-compare-empty-with-empty-string</span>: +<span id="L103" class="LineNr">103 </span> <span class="subxComment"># EAX = string-equal?("", "")</span> +<span id="L104" class="LineNr">104 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L105" class="LineNr">105 </span> 68/push <span class="Constant">""</span>/imm32 <span id="L106" class="LineNr">106 </span> 68/push <span class="Constant">""</span>/imm32 -<span id="L107" class="LineNr">107 </span> 68/push <span class="Constant">""</span>/imm32 -<span id="L108" class="LineNr">108 </span> <span class="subxS2Comment"># . . call</span> -<span id="L109" class="LineNr">109 </span> e8/call <a href='054string-equal.subx.html#L17'>string-equal?</a>/disp32 -<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L111" class="LineNr">111 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L112" class="LineNr">112 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L113" class="LineNr">113 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L114" class="LineNr">114 </span> 68/push <span class="Constant">"F - test-compare-empty-with-empty-string"</span>/imm32 -<span id="L115" class="LineNr">115 </span> 68/push 1/imm32/true -<span id="L116" class="LineNr">116 </span> 50/push-EAX -<span id="L117" class="LineNr">117 </span> <span class="subxS2Comment"># . . call</span> -<span id="L118" class="LineNr">118 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L120" class="LineNr">120 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L121" class="LineNr">121 </span> c3/return -<span id="L122" class="LineNr">122 </span> -<span id="L123" class="LineNr">123 </span><span class="subxTest">test-compare-empty-with-non-empty-string</span>: <span class="subxComment"># also checks length-mismatch code path</span> -<span id="L124" class="LineNr">124 </span> <span class="subxComment"># EAX = string-equal?("", "Abc")</span> -<span id="L125" class="LineNr">125 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L126" class="LineNr">126 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L127" class="LineNr">127 </span> 68/push <span class="Constant">""</span>/imm32 -<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . call</span> -<span id="L129" class="LineNr">129 </span> e8/call <a href='054string-equal.subx.html#L17'>string-equal?</a>/disp32 -<span id="L130" class="LineNr">130 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L131" class="LineNr">131 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L132" class="LineNr">132 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L134" class="LineNr">134 </span> 68/push <span class="Constant">"F - test-compare-empty-with-non-empty-string"</span>/imm32 -<span id="L135" class="LineNr">135 </span> 68/push 0/imm32/false -<span id="L136" class="LineNr">136 </span> 50/push-EAX -<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . call</span> -<span id="L138" class="LineNr">138 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L140" class="LineNr">140 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L141" class="LineNr">141 </span> c3/return -<span id="L142" class="LineNr">142 </span> -<span id="L143" class="LineNr">143 </span><span class="subxTest">test-compare-equal-strings</span>: -<span id="L144" class="LineNr">144 </span> <span class="subxComment"># EAX = string-equal?("Abc", "Abc")</span> -<span id="L145" class="LineNr">145 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . call</span> +<span id="L108" class="LineNr">108 </span> e8/call <a href='054string-equal.subx.html#L16'>string-equal?</a>/disp32 +<span id="L109" class="LineNr">109 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L110" class="LineNr">110 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L111" class="LineNr">111 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L112" class="LineNr">112 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L113" class="LineNr">113 </span> 68/push <span class="Constant">"F - test-compare-empty-with-empty-string"</span>/imm32 +<span id="L114" class="LineNr">114 </span> 68/push 1/imm32/true +<span id="L115" class="LineNr">115 </span> 50/push-EAX +<span id="L116" class="LineNr">116 </span> <span class="subxS2Comment"># . . call</span> +<span id="L117" class="LineNr">117 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L118" class="LineNr">118 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L119" class="LineNr">119 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L120" class="LineNr">120 </span> c3/return +<span id="L121" class="LineNr">121 </span> +<span id="L122" class="LineNr">122 </span><span class="subxTest">test-compare-empty-with-non-empty-string</span>: <span class="subxComment"># also checks length-mismatch code path</span> +<span id="L123" class="LineNr">123 </span> <span class="subxComment"># EAX = string-equal?("", "Abc")</span> +<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L125" class="LineNr">125 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L126" class="LineNr">126 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . call</span> +<span id="L128" class="LineNr">128 </span> e8/call <a href='054string-equal.subx.html#L16'>string-equal?</a>/disp32 +<span id="L129" class="LineNr">129 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L130" class="LineNr">130 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L131" class="LineNr">131 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L133" class="LineNr">133 </span> 68/push <span class="Constant">"F - test-compare-empty-with-non-empty-string"</span>/imm32 +<span id="L134" class="LineNr">134 </span> 68/push 0/imm32/false +<span id="L135" class="LineNr">135 </span> 50/push-EAX +<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . call</span> +<span id="L137" class="LineNr">137 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L139" class="LineNr">139 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L140" class="LineNr">140 </span> c3/return +<span id="L141" class="LineNr">141 </span> +<span id="L142" class="LineNr">142 </span><span class="subxTest">test-compare-equal-strings</span>: +<span id="L143" class="LineNr">143 </span> <span class="subxComment"># EAX = string-equal?("Abc", "Abc")</span> +<span id="L144" class="LineNr">144 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L145" class="LineNr">145 </span> 68/push <span class="Constant">"Abc"</span>/imm32 <span id="L146" class="LineNr">146 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L147" class="LineNr">147 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L148" class="LineNr">148 </span> <span class="subxS2Comment"># . . call</span> -<span id="L149" class="LineNr">149 </span> e8/call <a href='054string-equal.subx.html#L17'>string-equal?</a>/disp32 -<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L151" class="LineNr">151 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L152" class="LineNr">152 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L153" class="LineNr">153 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L154" class="LineNr">154 </span> 68/push <span class="Constant">"F - test-compare-equal-strings"</span>/imm32 -<span id="L155" class="LineNr">155 </span> 68/push 1/imm32/true -<span id="L156" class="LineNr">156 </span> 50/push-EAX -<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . call</span> -<span id="L158" class="LineNr">158 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L159" class="LineNr">159 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L160" class="LineNr">160 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L161" class="LineNr">161 </span> c3/return -<span id="L162" class="LineNr">162 </span> -<span id="L163" class="LineNr">163 </span><span class="subxTest">test-compare-inequal-strings-equal-lengths</span>: -<span id="L164" class="LineNr">164 </span> <span class="subxComment"># EAX = string-equal?("Abc", "Adc")</span> -<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L166" class="LineNr">166 </span> 68/push <span class="Constant">"Adc"</span>/imm32 -<span id="L167" class="LineNr">167 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . call</span> -<span id="L169" class="LineNr">169 </span> e8/call <a href='054string-equal.subx.html#L17'>string-equal?</a>/disp32 -<span id="L170" class="LineNr">170 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L171" class="LineNr">171 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L172" class="LineNr">172 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L173" class="LineNr">173 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L174" class="LineNr">174 </span> 68/push <span class="Constant">"F - test-compare-inequal-strings-equal-lengths"</span>/imm32 -<span id="L175" class="LineNr">175 </span> 68/push 0/imm32/false -<span id="L176" class="LineNr">176 </span> 50/push-EAX -<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . call</span> -<span id="L178" class="LineNr">178 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L179" class="LineNr">179 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L180" class="LineNr">180 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L181" class="LineNr">181 </span> c3/return -<span id="L182" class="LineNr">182 </span> -<span id="L183" class="LineNr">183 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . call</span> +<span id="L148" class="LineNr">148 </span> e8/call <a href='054string-equal.subx.html#L16'>string-equal?</a>/disp32 +<span id="L149" class="LineNr">149 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L150" class="LineNr">150 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L151" class="LineNr">151 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L152" class="LineNr">152 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L153" class="LineNr">153 </span> 68/push <span class="Constant">"F - test-compare-equal-strings"</span>/imm32 +<span id="L154" class="LineNr">154 </span> 68/push 1/imm32/true +<span id="L155" class="LineNr">155 </span> 50/push-EAX +<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . call</span> +<span id="L157" class="LineNr">157 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L159" class="LineNr">159 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L160" class="LineNr">160 </span> c3/return +<span id="L161" class="LineNr">161 </span> +<span id="L162" class="LineNr">162 </span><span class="subxTest">test-compare-inequal-strings-equal-lengths</span>: +<span id="L163" class="LineNr">163 </span> <span class="subxComment"># EAX = string-equal?("Abc", "Adc")</span> +<span id="L164" class="LineNr">164 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L165" class="LineNr">165 </span> 68/push <span class="Constant">"Adc"</span>/imm32 +<span id="L166" class="LineNr">166 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L167" class="LineNr">167 </span> <span class="subxS2Comment"># . . call</span> +<span id="L168" class="LineNr">168 </span> e8/call <a href='054string-equal.subx.html#L16'>string-equal?</a>/disp32 +<span id="L169" class="LineNr">169 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L170" class="LineNr">170 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L171" class="LineNr">171 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L172" class="LineNr">172 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L173" class="LineNr">173 </span> 68/push <span class="Constant">"F - test-compare-inequal-strings-equal-lengths"</span>/imm32 +<span id="L174" class="LineNr">174 </span> 68/push 0/imm32/false +<span id="L175" class="LineNr">175 </span> 50/push-EAX +<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . call</span> +<span id="L177" class="LineNr">177 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L179" class="LineNr">179 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L180" class="LineNr">180 </span> c3/return +<span id="L181" class="LineNr">181 </span> +<span id="L182" class="LineNr">182 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/055stream.subx.html b/html/subx/055stream.subx.html index e3e1e815..e339250c 100644 --- a/html/subx/055stream.subx.html +++ b/html/subx/055stream.subx.html @@ -18,7 +18,6 @@ a { color:inherit; } .Constant { color: #008787; } .LineNr { } .subxS1Comment { color: #0000af; } -.SpecialChar { color: #d70000; } .subxFunction { color: #af5f00; text-decoration: underline; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } .subxS2Comment { color: #8a8a8a; } @@ -73,70 +72,63 @@ if ('onhashchange' in window) { <span id="L14" class="LineNr">14 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L15" class="LineNr">15 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L16" class="LineNr">16 </span> -<span id="L17" class="LineNr">17 </span><span class="subxComment"># main:</span> -<span id="L18" class="LineNr">18 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L19" class="LineNr">19 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L20" class="LineNr">20 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L21" class="LineNr">21 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L22" class="LineNr">22 </span> cd/syscall 0x80/imm8 -<span id="L23" class="LineNr">23 </span> -<span id="L24" class="LineNr">24 </span><span class="subxFunction">clear-stream</span>: <span class="subxComment"># f : (address stream) -> <void></span> -<span id="L25" class="LineNr">25 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L26" class="LineNr">26 </span> 55/push-EBP -<span id="L27" class="LineNr">27 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L28" class="LineNr">28 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L29" class="LineNr">29 </span> 50/push-EAX -<span id="L30" class="LineNr">30 </span> 51/push-ECX -<span id="L31" class="LineNr">31 </span> <span class="subxComment"># EAX = f</span> -<span id="L32" class="LineNr">32 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> -<span id="L33" class="LineNr">33 </span> <span class="subxComment"># ECX = f->length</span> -<span id="L34" class="LineNr">34 </span> 8b/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EAX+8) to ECX</span> -<span id="L35" class="LineNr">35 </span> <span class="subxComment"># ECX = &f->data[f->length]</span> -<span id="L36" class="LineNr">36 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+12 to ECX</span> -<span id="L37" class="LineNr">37 </span> <span class="subxComment"># f->write = 0</span> -<span id="L38" class="LineNr">38 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> -<span id="L39" class="LineNr">39 </span> <span class="subxComment"># f->read = 0</span> -<span id="L40" class="LineNr">40 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(EAX+4)</span> -<span id="L41" class="LineNr">41 </span> <span class="subxComment"># EAX = f->data</span> -<span id="L42" class="LineNr">42 </span> 81 0/subop/add 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to EAX</span> -<span id="L43" class="LineNr">43 </span> <span class="subxComment"># while (true)</span> -<span id="L44" class="LineNr">44 </span><span class="Constant">$clear-stream:loop</span>: -<span id="L45" class="LineNr">45 </span> <span class="subxComment"># if (EAX >= ECX) break</span> -<span id="L46" class="LineNr">46 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX with ECX</span> -<span id="L47" class="LineNr">47 </span> 7d/jump-if-greater-or-equal $clear-stream:end/disp8 -<span id="L48" class="LineNr">48 </span> <span class="subxComment"># *EAX = 0</span> -<span id="L49" class="LineNr">49 </span> c6 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm8 <span class="subxComment"># copy byte to *EAX</span> -<span id="L50" class="LineNr">50 </span> <span class="subxComment"># ++EAX</span> -<span id="L51" class="LineNr">51 </span> 40/increment-EAX -<span id="L52" class="LineNr">52 </span> eb/jump $clear-stream:loop/disp8 -<span id="L53" class="LineNr">53 </span><span class="Constant">$clear-stream:end</span>: -<span id="L54" class="LineNr">54 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L55" class="LineNr">55 </span> 59/pop-to-ECX -<span id="L56" class="LineNr">56 </span> 58/pop-to-EAX -<span id="L57" class="LineNr">57 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L58" class="LineNr">58 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L59" class="LineNr">59 </span> 5d/pop-to-EBP -<span id="L60" class="LineNr">60 </span> c3/return -<span id="L61" class="LineNr">61 </span> -<span id="L62" class="LineNr">62 </span><span class="subxFunction">rewind-stream</span>: <span class="subxComment"># f : (address stream) -> <void></span> -<span id="L63" class="LineNr">63 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L64" class="LineNr">64 </span> 55/push-EBP -<span id="L65" class="LineNr">65 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L66" class="LineNr">66 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L67" class="LineNr">67 </span> 50/push-EAX -<span id="L68" class="LineNr">68 </span> <span class="subxComment"># EAX = f</span> -<span id="L69" class="LineNr">69 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> -<span id="L70" class="LineNr">70 </span> <span class="subxComment"># f->read = 0</span> -<span id="L71" class="LineNr">71 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(EAX+4)</span> -<span id="L72" class="LineNr">72 </span><span class="Constant">$rewind-stream:end</span>: -<span id="L73" class="LineNr">73 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L74" class="LineNr">74 </span> 58/pop-to-EAX -<span id="L75" class="LineNr">75 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L76" class="LineNr">76 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L77" class="LineNr">77 </span> 5d/pop-to-EBP -<span id="L78" class="LineNr">78 </span> c3/return -<span id="L79" class="LineNr">79 </span> -<span id="L80" class="LineNr">80 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L17" class="LineNr">17 </span><span class="subxFunction">clear-stream</span>: <span class="subxComment"># f : (address stream) -> <void></span> +<span id="L18" class="LineNr">18 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L19" class="LineNr">19 </span> 55/push-EBP +<span id="L20" class="LineNr">20 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L21" class="LineNr">21 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L22" class="LineNr">22 </span> 50/push-EAX +<span id="L23" class="LineNr">23 </span> 51/push-ECX +<span id="L24" class="LineNr">24 </span> <span class="subxComment"># EAX = f</span> +<span id="L25" class="LineNr">25 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> +<span id="L26" class="LineNr">26 </span> <span class="subxComment"># ECX = f->length</span> +<span id="L27" class="LineNr">27 </span> 8b/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EAX+8) to ECX</span> +<span id="L28" class="LineNr">28 </span> <span class="subxComment"># ECX = &f->data[f->length]</span> +<span id="L29" class="LineNr">29 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+12 to ECX</span> +<span id="L30" class="LineNr">30 </span> <span class="subxComment"># f->write = 0</span> +<span id="L31" class="LineNr">31 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> +<span id="L32" class="LineNr">32 </span> <span class="subxComment"># f->read = 0</span> +<span id="L33" class="LineNr">33 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(EAX+4)</span> +<span id="L34" class="LineNr">34 </span> <span class="subxComment"># EAX = f->data</span> +<span id="L35" class="LineNr">35 </span> 81 0/subop/add 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to EAX</span> +<span id="L36" class="LineNr">36 </span> <span class="subxComment"># while (true)</span> +<span id="L37" class="LineNr">37 </span><span class="Constant">$clear-stream:loop</span>: +<span id="L38" class="LineNr">38 </span> <span class="subxComment"># if (EAX >= ECX) break</span> +<span id="L39" class="LineNr">39 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX with ECX</span> +<span id="L40" class="LineNr">40 </span> 7d/jump-if-greater-or-equal $clear-stream:end/disp8 +<span id="L41" class="LineNr">41 </span> <span class="subxComment"># *EAX = 0</span> +<span id="L42" class="LineNr">42 </span> c6 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm8 <span class="subxComment"># copy byte to *EAX</span> +<span id="L43" class="LineNr">43 </span> <span class="subxComment"># ++EAX</span> +<span id="L44" class="LineNr">44 </span> 40/increment-EAX +<span id="L45" class="LineNr">45 </span> eb/jump $clear-stream:loop/disp8 +<span id="L46" class="LineNr">46 </span><span class="Constant">$clear-stream:end</span>: +<span id="L47" class="LineNr">47 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L48" class="LineNr">48 </span> 59/pop-to-ECX +<span id="L49" class="LineNr">49 </span> 58/pop-to-EAX +<span id="L50" class="LineNr">50 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L51" class="LineNr">51 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L52" class="LineNr">52 </span> 5d/pop-to-EBP +<span id="L53" class="LineNr">53 </span> c3/return +<span id="L54" class="LineNr">54 </span> +<span id="L55" class="LineNr">55 </span><span class="subxFunction">rewind-stream</span>: <span class="subxComment"># f : (address stream) -> <void></span> +<span id="L56" class="LineNr">56 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L57" class="LineNr">57 </span> 55/push-EBP +<span id="L58" class="LineNr">58 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L59" class="LineNr">59 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L60" class="LineNr">60 </span> 50/push-EAX +<span id="L61" class="LineNr">61 </span> <span class="subxComment"># EAX = f</span> +<span id="L62" class="LineNr">62 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> +<span id="L63" class="LineNr">63 </span> <span class="subxComment"># f->read = 0</span> +<span id="L64" class="LineNr">64 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(EAX+4)</span> +<span id="L65" class="LineNr">65 </span><span class="Constant">$rewind-stream:end</span>: +<span id="L66" class="LineNr">66 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L67" class="LineNr">67 </span> 58/pop-to-EAX +<span id="L68" class="LineNr">68 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L69" class="LineNr">69 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L70" class="LineNr">70 </span> 5d/pop-to-EBP +<span id="L71" class="LineNr">71 </span> c3/return +<span id="L72" class="LineNr">72 </span> +<span id="L73" class="LineNr">73 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/056trace.subx.html b/html/subx/056trace.subx.html index ef06a1e9..2b0b7596 100644 --- a/html/subx/056trace.subx.html +++ b/html/subx/056trace.subx.html @@ -84,17 +84,17 @@ if ('onhashchange' in window) { <span id="L22" class="LineNr"> 22 </span> <span id="L23" class="LineNr"> 23 </span><span class="subxComment"># We'll save the address of the trace segment here.</span> <span id="L24" class="LineNr"> 24 </span><span class="SpecialChar">Trace-stream</span>: -<span id="L25" class="LineNr"> 25 </span> 00 00 00 00 +<span id="L25" class="LineNr"> 25 </span> 0/imm32 <span id="L26" class="LineNr"> 26 </span> <span id="L27" class="LineNr"> 27 </span><span class="subxComment"># Fake trace-stream for tests.</span> <span id="L28" class="LineNr"> 28 </span><span class="subxComment"># Also illustrates the layout of the real trace-stream (segment).</span> <span id="L29" class="LineNr"> 29 </span><span class="subxMinorFunction">_test-trace-stream</span>: <span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># current write index</span> -<span id="L31" class="LineNr"> 31 </span> 00 00 00 00 +<span id="L31" class="LineNr"> 31 </span> 0/imm32 <span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># current read index</span> -<span id="L33" class="LineNr"> 33 </span> 00 00 00 00 -<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># length (= 8)</span> -<span id="L35" class="LineNr"> 35 </span> 08 00 00 00 +<span id="L33" class="LineNr"> 33 </span> 0/imm32 +<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># length</span> +<span id="L35" class="LineNr"> 35 </span> 8/imm32 <span id="L36" class="LineNr"> 36 </span> <span class="subxComment"># data</span> <span id="L37" class="LineNr"> 37 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> <span id="L38" class="LineNr"> 38 </span> @@ -103,321 +103,313 @@ if ('onhashchange' in window) { <span id="L41" class="LineNr"> 41 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L42" class="LineNr"> 42 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L43" class="LineNr"> 43 </span> -<span id="L44" class="LineNr"> 44 </span><span class="subxComment"># main:</span> -<span id="L45" class="LineNr"> 45 </span> <span class="subxComment"># run-tests()</span> -<span id="L46" class="LineNr"> 46 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L48" class="LineNr"> 48 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L49" class="LineNr"> 49 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L50" class="LineNr"> 50 </span> cd/syscall 0x80/imm8 -<span id="L51" class="LineNr"> 51 </span> -<span id="L52" class="LineNr"> 52 </span><span class="subxComment"># Allocate a new segment for the trace stream, initialize its length, and save its address to Trace-stream.</span> -<span id="L53" class="LineNr"> 53 </span><span class="subxComment"># The Trace-stream segment will consist of variable-length lines separated by newlines (0x0a)</span> -<span id="L54" class="LineNr"> 54 </span><span class="subxFunction">initialize-trace-stream</span>: -<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># EAX = new-segment(0x1000)</span> -<span id="L56" class="LineNr"> 56 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L57" class="LineNr"> 57 </span> 68/push 0x1000/imm32/N -<span id="L58" class="LineNr"> 58 </span> <span class="subxS2Comment"># . . call</span> -<span id="L59" class="LineNr"> 59 </span> e8/call <a href='053new-segment.subx.html#L25'>new-segment</a>/disp32 -<span id="L60" class="LineNr"> 60 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L61" class="LineNr"> 61 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L62" class="LineNr"> 62 </span> <span class="subxComment"># copy EAX to *Trace-stream</span> -<span id="L63" class="LineNr"> 63 </span> 89/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="SpecialChar"><a href='056trace.subx.html#L24'>Trace-stream</a></span>/disp32 <span class="subxComment"># copy EAX to *Trace-stream</span> -<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># Trace-stream->length = 0x1000/N - 12</span> -<span id="L65" class="LineNr"> 65 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0xff4/imm32 <span class="subxComment"># copy 0xff4 to *(EAX+8)</span> -<span id="L66" class="LineNr"> 66 </span> c3/return -<span id="L67" class="LineNr"> 67 </span> -<span id="L68" class="LineNr"> 68 </span><span class="subxComment"># Append a string to the given trace stream.</span> -<span id="L69" class="LineNr"> 69 </span><span class="subxComment"># Silently give up if it's already full. Or truncate the string if there isn't enough room.</span> -<span id="L70" class="LineNr"> 70 </span><span class="subxFunction">trace</span>: <span class="subxComment"># t : (address trace-stream), line : string</span> -<span id="L71" class="LineNr"> 71 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L72" class="LineNr"> 72 </span> 55/push-EBP -<span id="L73" class="LineNr"> 73 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L74" class="LineNr"> 74 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L75" class="LineNr"> 75 </span> 50/push-EAX -<span id="L76" class="LineNr"> 76 </span> 51/push-ECX -<span id="L77" class="LineNr"> 77 </span> 52/push-EDX -<span id="L78" class="LineNr"> 78 </span> 53/push-EBX -<span id="L79" class="LineNr"> 79 </span> 56/push-ESI -<span id="L80" class="LineNr"> 80 </span> 57/push-EDI -<span id="L81" class="LineNr"> 81 </span> <span class="subxComment"># EDI = t</span> -<span id="L82" class="LineNr"> 82 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> -<span id="L83" class="LineNr"> 83 </span> <span class="subxComment"># ESI = line</span> -<span id="L84" class="LineNr"> 84 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> -<span id="L85" class="LineNr"> 85 </span> <span class="subxComment"># ECX = t->write</span> -<span id="L86" class="LineNr"> 86 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to ECX</span> -<span id="L87" class="LineNr"> 87 </span> <span class="subxComment"># EDX = t->length</span> -<span id="L88" class="LineNr"> 88 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+8) to EDX</span> -<span id="L89" class="LineNr"> 89 </span> <span class="subxComment"># EAX = _append-3(&t->data[t->write], &t->data[t->length], line)</span> -<span id="L90" class="LineNr"> 90 </span> <span class="subxS2Comment"># . . push line</span> -<span id="L91" class="LineNr"> 91 </span> 56/push-ESI -<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . push &t->data[t->length]</span> -<span id="L93" class="LineNr"> 93 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 2/index/EDX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+EDX+12 to EBX</span> -<span id="L94" class="LineNr"> 94 </span> 53/push-EBX -<span id="L95" class="LineNr"> 95 </span> <span class="subxS2Comment"># . . push &t->data[t->write]</span> -<span id="L96" class="LineNr"> 96 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 1/index/ECX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+ECX+12 to EBX</span> -<span id="L97" class="LineNr"> 97 </span> 53/push-EBX -<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . call</span> -<span id="L99" class="LineNr"> 99 </span> e8/call <a href='056trace.subx.html#L277'>_append-3</a>/disp32 -<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L101" class="LineNr">101 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L102" class="LineNr">102 </span> <span class="subxComment"># if (EAX == 0) return</span> -<span id="L103" class="LineNr">103 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EDX</span> -<span id="L104" class="LineNr">104 </span> 74/jump-if-equal $trace:end/disp8 -<span id="L105" class="LineNr">105 </span> <span class="subxComment"># t->write += EAX</span> -<span id="L106" class="LineNr">106 </span> 01/add 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to *EDI</span> -<span id="L107" class="LineNr">107 </span> <span class="subxComment"># refresh ECX = t->write</span> -<span id="L108" class="LineNr">108 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to ECX</span> -<span id="L109" class="LineNr">109 </span> <span class="subxComment"># EAX = _append-3(&t->data[t->write], &t->data[t->length], line)</span> -<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . push line</span> -<span id="L111" class="LineNr">111 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L112" class="LineNr">112 </span> <span class="subxS2Comment"># . . push &t->data[t->length]</span> -<span id="L113" class="LineNr">113 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 2/index/EDX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+EDX+12 to EBX</span> -<span id="L114" class="LineNr">114 </span> 53/push-EBX -<span id="L115" class="LineNr">115 </span> <span class="subxS2Comment"># . . push &t->data[t->write]</span> -<span id="L116" class="LineNr">116 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 1/index/ECX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+ECX+12 to EBX</span> -<span id="L117" class="LineNr">117 </span> 53/push-EBX -<span id="L118" class="LineNr">118 </span> <span class="subxS2Comment"># . . call</span> -<span id="L119" class="LineNr">119 </span> e8/call <a href='056trace.subx.html#L277'>_append-3</a>/disp32 -<span id="L120" class="LineNr">120 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L121" class="LineNr">121 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L122" class="LineNr">122 </span> <span class="subxComment"># t->write += EAX</span> -<span id="L123" class="LineNr">123 </span> 01/add 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to *EDI</span> -<span id="L124" class="LineNr">124 </span><span class="Constant">$trace:end</span>: -<span id="L125" class="LineNr">125 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L126" class="LineNr">126 </span> 5f/pop-to-EDI -<span id="L127" class="LineNr">127 </span> 5e/pop-to-ESI -<span id="L128" class="LineNr">128 </span> 5b/pop-to-EBX -<span id="L129" class="LineNr">129 </span> 5a/pop-to-EDX -<span id="L130" class="LineNr">130 </span> 59/pop-to-ECX -<span id="L131" class="LineNr">131 </span> 58/pop-to-EAX -<span id="L132" class="LineNr">132 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L133" class="LineNr">133 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L134" class="LineNr">134 </span> 5d/pop-to-EBP -<span id="L135" class="LineNr">135 </span> c3/return -<span id="L136" class="LineNr">136 </span> -<span id="L137" class="LineNr">137 </span><span class="subxFunction">clear-trace-stream</span>: <span class="subxComment"># t : (address trace-stream)</span> -<span id="L138" class="LineNr">138 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L139" class="LineNr">139 </span> 55/push-EBP -<span id="L140" class="LineNr">140 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L141" class="LineNr">141 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L142" class="LineNr">142 </span> 50/push-EAX -<span id="L143" class="LineNr">143 </span> 51/push-ECX -<span id="L144" class="LineNr">144 </span> <span class="subxComment"># EAX = t</span> -<span id="L145" class="LineNr">145 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> -<span id="L146" class="LineNr">146 </span> <span class="subxComment"># ECX = t->length</span> -<span id="L147" class="LineNr">147 </span> 8b/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EAX+8) to ECX</span> -<span id="L148" class="LineNr">148 </span> <span class="subxComment"># ECX = &t->data[t->length]</span> -<span id="L149" class="LineNr">149 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+12 to ECX</span> -<span id="L150" class="LineNr">150 </span> <span class="subxComment"># t->write = 0</span> -<span id="L151" class="LineNr">151 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> -<span id="L152" class="LineNr">152 </span> <span class="subxComment"># t->read = 0</span> -<span id="L153" class="LineNr">153 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(EAX+4)</span> -<span id="L154" class="LineNr">154 </span> <span class="subxComment"># EAX = t->data</span> -<span id="L155" class="LineNr">155 </span> 81 0/subop/add 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to EAX</span> -<span id="L156" class="LineNr">156 </span><span class="Constant">$clear-trace-stream:loop</span>: -<span id="L157" class="LineNr">157 </span> <span class="subxComment"># if (EAX >= ECX) break</span> -<span id="L158" class="LineNr">158 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX with ECX</span> -<span id="L159" class="LineNr">159 </span> 7d/jump-if-greater-or-equal $clear-trace-stream:end/disp8 -<span id="L160" class="LineNr">160 </span> <span class="subxComment"># *EAX = 0</span> -<span id="L161" class="LineNr">161 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> -<span id="L162" class="LineNr">162 </span> <span class="subxComment"># EAX += 4</span> -<span id="L163" class="LineNr">163 </span> 81 0/subop/add 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to EAX</span> -<span id="L164" class="LineNr">164 </span> eb/jump $clear-trace-stream:loop/disp8 -<span id="L165" class="LineNr">165 </span><span class="Constant">$clear-trace-stream:end</span>: -<span id="L166" class="LineNr">166 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L167" class="LineNr">167 </span> 59/pop-to-ECX -<span id="L168" class="LineNr">168 </span> 58/pop-to-EAX -<span id="L169" class="LineNr">169 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L170" class="LineNr">170 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L171" class="LineNr">171 </span> 5d/pop-to-EBP -<span id="L172" class="LineNr">172 </span> c3/return -<span id="L173" class="LineNr">173 </span> -<span id="L174" class="LineNr">174 </span><span class="subxH1Comment"># - tests</span> -<span id="L175" class="LineNr">175 </span> -<span id="L176" class="LineNr">176 </span><span class="subxTest">test-trace-single</span>: -<span id="L177" class="LineNr">177 </span> <span class="subxComment"># clear-trace-stream(_test-trace-stream)</span> -<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L44" class="LineNr"> 44 </span><span class="subxComment"># Allocate a new segment for the trace stream, initialize its length, and save its address to Trace-stream.</span> +<span id="L45" class="LineNr"> 45 </span><span class="subxComment"># The Trace-stream segment will consist of variable-length lines separated by newlines (0x0a)</span> +<span id="L46" class="LineNr"> 46 </span><span class="subxFunction">initialize-trace-stream</span>: +<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># EAX = new-segment(0x1000)</span> +<span id="L48" class="LineNr"> 48 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L49" class="LineNr"> 49 </span> 68/push 0x1000/imm32/N +<span id="L50" class="LineNr"> 50 </span> <span class="subxS2Comment"># . . call</span> +<span id="L51" class="LineNr"> 51 </span> e8/call <a href='053new-segment.subx.html#L25'>new-segment</a>/disp32 +<span id="L52" class="LineNr"> 52 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L53" class="LineNr"> 53 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L54" class="LineNr"> 54 </span> <span class="subxComment"># copy EAX to *Trace-stream</span> +<span id="L55" class="LineNr"> 55 </span> 89/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="SpecialChar"><a href='056trace.subx.html#L24'>Trace-stream</a></span>/disp32 <span class="subxComment"># copy EAX to *Trace-stream</span> +<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># Trace-stream->length = 0x1000/N - 12</span> +<span id="L57" class="LineNr"> 57 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0xff4/imm32 <span class="subxComment"># copy 0xff4 to *(EAX+8)</span> +<span id="L58" class="LineNr"> 58 </span> c3/return +<span id="L59" class="LineNr"> 59 </span> +<span id="L60" class="LineNr"> 60 </span><span class="subxComment"># Append a string to the given trace stream.</span> +<span id="L61" class="LineNr"> 61 </span><span class="subxComment"># Silently give up if it's already full. Or truncate the string if there isn't enough room.</span> +<span id="L62" class="LineNr"> 62 </span><span class="subxFunction">trace</span>: <span class="subxComment"># t : (address trace-stream), line : string</span> +<span id="L63" class="LineNr"> 63 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L64" class="LineNr"> 64 </span> 55/push-EBP +<span id="L65" class="LineNr"> 65 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L67" class="LineNr"> 67 </span> 50/push-EAX +<span id="L68" class="LineNr"> 68 </span> 51/push-ECX +<span id="L69" class="LineNr"> 69 </span> 52/push-EDX +<span id="L70" class="LineNr"> 70 </span> 53/push-EBX +<span id="L71" class="LineNr"> 71 </span> 56/push-ESI +<span id="L72" class="LineNr"> 72 </span> 57/push-EDI +<span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># EDI = t</span> +<span id="L74" class="LineNr"> 74 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> +<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># ESI = line</span> +<span id="L76" class="LineNr"> 76 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> +<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># ECX = t->write</span> +<span id="L78" class="LineNr"> 78 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to ECX</span> +<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># EDX = t->length</span> +<span id="L80" class="LineNr"> 80 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+8) to EDX</span> +<span id="L81" class="LineNr"> 81 </span> <span class="subxComment"># EAX = _append-3(&t->data[t->write], &t->data[t->length], line)</span> +<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . push line</span> +<span id="L83" class="LineNr"> 83 </span> 56/push-ESI +<span id="L84" class="LineNr"> 84 </span> <span class="subxS2Comment"># . . push &t->data[t->length]</span> +<span id="L85" class="LineNr"> 85 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 2/index/EDX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+EDX+12 to EBX</span> +<span id="L86" class="LineNr"> 86 </span> 53/push-EBX +<span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . push &t->data[t->write]</span> +<span id="L88" class="LineNr"> 88 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 1/index/ECX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+ECX+12 to EBX</span> +<span id="L89" class="LineNr"> 89 </span> 53/push-EBX +<span id="L90" class="LineNr"> 90 </span> <span class="subxS2Comment"># . . call</span> +<span id="L91" class="LineNr"> 91 </span> e8/call <a href='056trace.subx.html#L269'>_append-3</a>/disp32 +<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L93" class="LineNr"> 93 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L94" class="LineNr"> 94 </span> <span class="subxComment"># if (EAX == 0) return</span> +<span id="L95" class="LineNr"> 95 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EDX</span> +<span id="L96" class="LineNr"> 96 </span> 74/jump-if-equal $trace:end/disp8 +<span id="L97" class="LineNr"> 97 </span> <span class="subxComment"># t->write += EAX</span> +<span id="L98" class="LineNr"> 98 </span> 01/add 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to *EDI</span> +<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># refresh ECX = t->write</span> +<span id="L100" class="LineNr">100 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to ECX</span> +<span id="L101" class="LineNr">101 </span> <span class="subxComment"># EAX = _append-3(&t->data[t->write], &t->data[t->length], line)</span> +<span id="L102" class="LineNr">102 </span> <span class="subxS2Comment"># . . push line</span> +<span id="L103" class="LineNr">103 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L104" class="LineNr">104 </span> <span class="subxS2Comment"># . . push &t->data[t->length]</span> +<span id="L105" class="LineNr">105 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 2/index/EDX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+EDX+12 to EBX</span> +<span id="L106" class="LineNr">106 </span> 53/push-EBX +<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . push &t->data[t->write]</span> +<span id="L108" class="LineNr">108 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 1/index/ECX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+ECX+12 to EBX</span> +<span id="L109" class="LineNr">109 </span> 53/push-EBX +<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . call</span> +<span id="L111" class="LineNr">111 </span> e8/call <a href='056trace.subx.html#L269'>_append-3</a>/disp32 +<span id="L112" class="LineNr">112 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L113" class="LineNr">113 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L114" class="LineNr">114 </span> <span class="subxComment"># t->write += EAX</span> +<span id="L115" class="LineNr">115 </span> 01/add 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to *EDI</span> +<span id="L116" class="LineNr">116 </span><span class="Constant">$trace:end</span>: +<span id="L117" class="LineNr">117 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L118" class="LineNr">118 </span> 5f/pop-to-EDI +<span id="L119" class="LineNr">119 </span> 5e/pop-to-ESI +<span id="L120" class="LineNr">120 </span> 5b/pop-to-EBX +<span id="L121" class="LineNr">121 </span> 5a/pop-to-EDX +<span id="L122" class="LineNr">122 </span> 59/pop-to-ECX +<span id="L123" class="LineNr">123 </span> 58/pop-to-EAX +<span id="L124" class="LineNr">124 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L125" class="LineNr">125 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L126" class="LineNr">126 </span> 5d/pop-to-EBP +<span id="L127" class="LineNr">127 </span> c3/return +<span id="L128" class="LineNr">128 </span> +<span id="L129" class="LineNr">129 </span><span class="subxFunction">clear-trace-stream</span>: <span class="subxComment"># t : (address trace-stream)</span> +<span id="L130" class="LineNr">130 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L131" class="LineNr">131 </span> 55/push-EBP +<span id="L132" class="LineNr">132 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L133" class="LineNr">133 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L134" class="LineNr">134 </span> 50/push-EAX +<span id="L135" class="LineNr">135 </span> 51/push-ECX +<span id="L136" class="LineNr">136 </span> <span class="subxComment"># EAX = t</span> +<span id="L137" class="LineNr">137 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> +<span id="L138" class="LineNr">138 </span> <span class="subxComment"># ECX = t->length</span> +<span id="L139" class="LineNr">139 </span> 8b/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EAX+8) to ECX</span> +<span id="L140" class="LineNr">140 </span> <span class="subxComment"># ECX = &t->data[t->length]</span> +<span id="L141" class="LineNr">141 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+12 to ECX</span> +<span id="L142" class="LineNr">142 </span> <span class="subxComment"># t->write = 0</span> +<span id="L143" class="LineNr">143 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> +<span id="L144" class="LineNr">144 </span> <span class="subxComment"># t->read = 0</span> +<span id="L145" class="LineNr">145 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(EAX+4)</span> +<span id="L146" class="LineNr">146 </span> <span class="subxComment"># EAX = t->data</span> +<span id="L147" class="LineNr">147 </span> 81 0/subop/add 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to EAX</span> +<span id="L148" class="LineNr">148 </span><span class="Constant">$clear-trace-stream:loop</span>: +<span id="L149" class="LineNr">149 </span> <span class="subxComment"># if (EAX >= ECX) break</span> +<span id="L150" class="LineNr">150 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX with ECX</span> +<span id="L151" class="LineNr">151 </span> 7d/jump-if-greater-or-equal $clear-trace-stream:end/disp8 +<span id="L152" class="LineNr">152 </span> <span class="subxComment"># *EAX = 0</span> +<span id="L153" class="LineNr">153 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> +<span id="L154" class="LineNr">154 </span> <span class="subxComment"># EAX += 4</span> +<span id="L155" class="LineNr">155 </span> 81 0/subop/add 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to EAX</span> +<span id="L156" class="LineNr">156 </span> eb/jump $clear-trace-stream:loop/disp8 +<span id="L157" class="LineNr">157 </span><span class="Constant">$clear-trace-stream:end</span>: +<span id="L158" class="LineNr">158 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L159" class="LineNr">159 </span> 59/pop-to-ECX +<span id="L160" class="LineNr">160 </span> 58/pop-to-EAX +<span id="L161" class="LineNr">161 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L162" class="LineNr">162 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L163" class="LineNr">163 </span> 5d/pop-to-EBP +<span id="L164" class="LineNr">164 </span> c3/return +<span id="L165" class="LineNr">165 </span> +<span id="L166" class="LineNr">166 </span><span class="subxH1Comment"># - tests</span> +<span id="L167" class="LineNr">167 </span> +<span id="L168" class="LineNr">168 </span><span class="subxTest">test-trace-single</span>: +<span id="L169" class="LineNr">169 </span> <span class="subxComment"># clear-trace-stream(_test-trace-stream)</span> +<span id="L170" class="LineNr">170 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L171" class="LineNr">171 </span> 68/push <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 +<span id="L172" class="LineNr">172 </span> <span class="subxS2Comment"># . . call</span> +<span id="L173" class="LineNr">173 </span> e8/call <a href='056trace.subx.html#L129'>clear-trace-stream</a>/disp32 +<span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L175" class="LineNr">175 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L176" class="LineNr">176 </span> <span class="subxComment"># trace(_test-trace-stream, "Ab")</span> +<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L178" class="LineNr">178 </span> 68/push <span class="Constant">"Ab"</span>/imm32 <span id="L179" class="LineNr">179 </span> 68/push <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 <span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . call</span> -<span id="L181" class="LineNr">181 </span> e8/call <a href='056trace.subx.html#L137'>clear-trace-stream</a>/disp32 +<span id="L181" class="LineNr">181 </span> e8/call <a href='056trace.subx.html#L62'>trace</a>/disp32 <span id="L182" class="LineNr">182 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L183" class="LineNr">183 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L184" class="LineNr">184 </span> <span class="subxComment"># trace(_test-trace-stream, "Ab")</span> +<span id="L183" class="LineNr">183 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L184" class="LineNr">184 </span> <span class="subxComment"># check-ints-equal(*_test-trace-stream->data, 41/A 62/b 0a/newline 00, msg)</span> <span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L186" class="LineNr">186 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L187" class="LineNr">187 </span> 68/push <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 -<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . call</span> -<span id="L189" class="LineNr">189 </span> e8/call <a href='056trace.subx.html#L70'>trace</a>/disp32 -<span id="L190" class="LineNr">190 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L191" class="LineNr">191 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L192" class="LineNr">192 </span> <span class="subxComment"># check-ints-equal(*_test-trace-stream->data, 41/A 62/b 0a/newline 00, msg)</span> -<span id="L193" class="LineNr">193 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L194" class="LineNr">194 </span> 68/push <span class="Constant">"F - test-trace-single"</span>/imm32 -<span id="L195" class="LineNr">195 </span> 68/push 0x0a6241/imm32/Ab-newline -<span id="L196" class="LineNr">196 </span> <span class="subxS2Comment"># . . push *_test-trace-stream->data</span> -<span id="L197" class="LineNr">197 </span> b8/copy-to-EAX <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 -<span id="L198" class="LineNr">198 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . call</span> -<span id="L200" class="LineNr">200 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L201" class="LineNr">201 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L202" class="LineNr">202 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L203" class="LineNr">203 </span> <span class="subxComment"># end</span> -<span id="L204" class="LineNr">204 </span> c3/return -<span id="L205" class="LineNr">205 </span> -<span id="L206" class="LineNr">206 </span><span class="subxTest">test-trace-appends</span>: -<span id="L207" class="LineNr">207 </span> <span class="subxComment"># clear-trace-stream(_test-trace-stream)</span> -<span id="L208" class="LineNr">208 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L186" class="LineNr">186 </span> 68/push <span class="Constant">"F - test-trace-single"</span>/imm32 +<span id="L187" class="LineNr">187 </span> 68/push 0x0a6241/imm32/Ab-newline +<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . push *_test-trace-stream->data</span> +<span id="L189" class="LineNr">189 </span> b8/copy-to-EAX <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 +<span id="L190" class="LineNr">190 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L191" class="LineNr">191 </span> <span class="subxS2Comment"># . . call</span> +<span id="L192" class="LineNr">192 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L193" class="LineNr">193 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L194" class="LineNr">194 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L195" class="LineNr">195 </span> <span class="subxComment"># end</span> +<span id="L196" class="LineNr">196 </span> c3/return +<span id="L197" class="LineNr">197 </span> +<span id="L198" class="LineNr">198 </span><span class="subxTest">test-trace-appends</span>: +<span id="L199" class="LineNr">199 </span> <span class="subxComment"># clear-trace-stream(_test-trace-stream)</span> +<span id="L200" class="LineNr">200 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L201" class="LineNr">201 </span> 68/push <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 +<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . call</span> +<span id="L203" class="LineNr">203 </span> e8/call <a href='056trace.subx.html#L129'>clear-trace-stream</a>/disp32 +<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L205" class="LineNr">205 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L206" class="LineNr">206 </span> <span class="subxComment"># trace(_test-trace-stream, "C")</span> +<span id="L207" class="LineNr">207 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L208" class="LineNr">208 </span> 68/push <span class="Constant">"C"</span>/imm32 <span id="L209" class="LineNr">209 </span> 68/push <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 <span id="L210" class="LineNr">210 </span> <span class="subxS2Comment"># . . call</span> -<span id="L211" class="LineNr">211 </span> e8/call <a href='056trace.subx.html#L137'>clear-trace-stream</a>/disp32 +<span id="L211" class="LineNr">211 </span> e8/call <a href='056trace.subx.html#L62'>trace</a>/disp32 <span id="L212" class="LineNr">212 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L213" class="LineNr">213 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L214" class="LineNr">214 </span> <span class="subxComment"># trace(_test-trace-stream, "C")</span> +<span id="L213" class="LineNr">213 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L214" class="LineNr">214 </span> <span class="subxComment"># trace(_test-trace-stream, "D")</span> <span id="L215" class="LineNr">215 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L216" class="LineNr">216 </span> 68/push <span class="Constant">"C"</span>/imm32 +<span id="L216" class="LineNr">216 </span> 68/push <span class="Constant">"D"</span>/imm32 <span id="L217" class="LineNr">217 </span> 68/push <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 <span id="L218" class="LineNr">218 </span> <span class="subxS2Comment"># . . call</span> -<span id="L219" class="LineNr">219 </span> e8/call <a href='056trace.subx.html#L70'>trace</a>/disp32 +<span id="L219" class="LineNr">219 </span> e8/call <a href='056trace.subx.html#L62'>trace</a>/disp32 <span id="L220" class="LineNr">220 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L221" class="LineNr">221 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L222" class="LineNr">222 </span> <span class="subxComment"># trace(_test-trace-stream, "D")</span> +<span id="L222" class="LineNr">222 </span> <span class="subxComment"># check-ints-equal(*_test-trace-stream->data, 43/C 0a/newline 44/D 0a/newline, msg)</span> <span id="L223" class="LineNr">223 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L224" class="LineNr">224 </span> 68/push <span class="Constant">"D"</span>/imm32 -<span id="L225" class="LineNr">225 </span> 68/push <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 -<span id="L226" class="LineNr">226 </span> <span class="subxS2Comment"># . . call</span> -<span id="L227" class="LineNr">227 </span> e8/call <a href='056trace.subx.html#L70'>trace</a>/disp32 -<span id="L228" class="LineNr">228 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L229" class="LineNr">229 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L230" class="LineNr">230 </span> <span class="subxComment"># check-ints-equal(*_test-trace-stream->data, 43/C 0a/newline 44/D 0a/newline, msg)</span> -<span id="L231" class="LineNr">231 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L232" class="LineNr">232 </span> 68/push <span class="Constant">"F - test-trace-appends"</span>/imm32 -<span id="L233" class="LineNr">233 </span> 68/push 0x0a440a43/imm32/C-newline-D-newline -<span id="L234" class="LineNr">234 </span> <span class="subxS2Comment"># . . push *_test-trace-stream->data</span> -<span id="L235" class="LineNr">235 </span> b8/copy-to-EAX <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 -<span id="L236" class="LineNr">236 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L237" class="LineNr">237 </span> <span class="subxS2Comment"># . . call</span> -<span id="L238" class="LineNr">238 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L239" class="LineNr">239 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L240" class="LineNr">240 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L241" class="LineNr">241 </span> <span class="subxComment"># end</span> -<span id="L242" class="LineNr">242 </span> c3/return -<span id="L243" class="LineNr">243 </span> -<span id="L244" class="LineNr">244 </span><span class="subxTest">test-trace-empty-line</span>: -<span id="L245" class="LineNr">245 </span> <span class="subxComment"># clear-trace-stream(_test-trace-stream)</span> -<span id="L246" class="LineNr">246 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L224" class="LineNr">224 </span> 68/push <span class="Constant">"F - test-trace-appends"</span>/imm32 +<span id="L225" class="LineNr">225 </span> 68/push 0x0a440a43/imm32/C-newline-D-newline +<span id="L226" class="LineNr">226 </span> <span class="subxS2Comment"># . . push *_test-trace-stream->data</span> +<span id="L227" class="LineNr">227 </span> b8/copy-to-EAX <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 +<span id="L228" class="LineNr">228 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L229" class="LineNr">229 </span> <span class="subxS2Comment"># . . call</span> +<span id="L230" class="LineNr">230 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L231" class="LineNr">231 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L232" class="LineNr">232 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L233" class="LineNr">233 </span> <span class="subxComment"># end</span> +<span id="L234" class="LineNr">234 </span> c3/return +<span id="L235" class="LineNr">235 </span> +<span id="L236" class="LineNr">236 </span><span class="subxTest">test-trace-empty-line</span>: +<span id="L237" class="LineNr">237 </span> <span class="subxComment"># clear-trace-stream(_test-trace-stream)</span> +<span id="L238" class="LineNr">238 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L239" class="LineNr">239 </span> 68/push <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 +<span id="L240" class="LineNr">240 </span> <span class="subxS2Comment"># . . call</span> +<span id="L241" class="LineNr">241 </span> e8/call <a href='056trace.subx.html#L129'>clear-trace-stream</a>/disp32 +<span id="L242" class="LineNr">242 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L243" class="LineNr">243 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L244" class="LineNr">244 </span> <span class="subxComment"># trace(_test-trace-stream, "")</span> +<span id="L245" class="LineNr">245 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L246" class="LineNr">246 </span> 68/push <span class="Constant">""</span>/imm32 <span id="L247" class="LineNr">247 </span> 68/push <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 <span id="L248" class="LineNr">248 </span> <span class="subxS2Comment"># . . call</span> -<span id="L249" class="LineNr">249 </span> e8/call <a href='056trace.subx.html#L137'>clear-trace-stream</a>/disp32 +<span id="L249" class="LineNr">249 </span> e8/call <a href='056trace.subx.html#L62'>trace</a>/disp32 <span id="L250" class="LineNr">250 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L251" class="LineNr">251 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L252" class="LineNr">252 </span> <span class="subxComment"># trace(_test-trace-stream, "")</span> +<span id="L251" class="LineNr">251 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L252" class="LineNr">252 </span> <span class="subxComment"># check-ints-equal(*_test-trace-stream->data, 0, msg)</span> <span id="L253" class="LineNr">253 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L254" class="LineNr">254 </span> 68/push <span class="Constant">""</span>/imm32 -<span id="L255" class="LineNr">255 </span> 68/push <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 -<span id="L256" class="LineNr">256 </span> <span class="subxS2Comment"># . . call</span> -<span id="L257" class="LineNr">257 </span> e8/call <a href='056trace.subx.html#L70'>trace</a>/disp32 -<span id="L258" class="LineNr">258 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L259" class="LineNr">259 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L260" class="LineNr">260 </span> <span class="subxComment"># check-ints-equal(*_test-trace-stream->data, 0, msg)</span> -<span id="L261" class="LineNr">261 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L262" class="LineNr">262 </span> 68/push <span class="Constant">"F - test-trace-empty-line"</span>/imm32 -<span id="L263" class="LineNr">263 </span> 68/push 0/imm32 -<span id="L264" class="LineNr">264 </span> <span class="subxS2Comment"># . . push *_test-trace-stream->data</span> -<span id="L265" class="LineNr">265 </span> b8/copy-to-EAX <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 -<span id="L266" class="LineNr">266 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L267" class="LineNr">267 </span> <span class="subxS2Comment"># . . call</span> -<span id="L268" class="LineNr">268 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L269" class="LineNr">269 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L270" class="LineNr">270 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L271" class="LineNr">271 </span> <span class="subxComment"># end</span> -<span id="L272" class="LineNr">272 </span> c3/return -<span id="L273" class="LineNr">273 </span> -<span id="L274" class="LineNr">274 </span><span class="subxH1Comment"># - helpers</span> -<span id="L275" class="LineNr">275 </span> -<span id="L276" class="LineNr">276 </span><span class="subxComment"># 3-argument variant of _append</span> -<span id="L277" class="LineNr">277 </span><span class="subxMinorFunction">_append-3</span>: <span class="subxComment"># out : address, outend : address, s : (array byte) -> num_bytes_appended/EAX</span> -<span id="L278" class="LineNr">278 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L279" class="LineNr">279 </span> 55/push-EBP -<span id="L280" class="LineNr">280 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L281" class="LineNr">281 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L282" class="LineNr">282 </span> 51/push-ECX -<span id="L283" class="LineNr">283 </span> <span class="subxComment"># _append-4(out, outend, &s->data[0], &s->data[s->length]) -> num_bytes_appended/EAX</span> -<span id="L284" class="LineNr">284 </span> <span class="subxS2Comment"># . . push &s->data[s->length]</span> -<span id="L285" class="LineNr">285 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EAX</span> -<span id="L286" class="LineNr">286 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L287" class="LineNr">287 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> -<span id="L288" class="LineNr">288 </span> 51/push-ECX -<span id="L289" class="LineNr">289 </span> <span class="subxS2Comment"># . . push &s->data[0]</span> -<span id="L290" class="LineNr">290 </span> 8d/copy-address 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+4 to ECX</span> -<span id="L291" class="LineNr">291 </span> 51/push-ECX -<span id="L292" class="LineNr">292 </span> <span class="subxS2Comment"># . . push outend</span> -<span id="L293" class="LineNr">293 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L294" class="LineNr">294 </span> <span class="subxS2Comment"># . . push out</span> -<span id="L295" class="LineNr">295 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L296" class="LineNr">296 </span> <span class="subxS2Comment"># . . call</span> -<span id="L297" class="LineNr">297 </span> e8/call <a href='056trace.subx.html#L309'>_append-4</a>/disp32 -<span id="L298" class="LineNr">298 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L299" class="LineNr">299 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L300" class="LineNr">300 </span><span class="Constant">$_append-3:end</span>: -<span id="L301" class="LineNr">301 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L302" class="LineNr">302 </span> 59/pop-to-ECX -<span id="L303" class="LineNr">303 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L304" class="LineNr">304 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L305" class="LineNr">305 </span> 5d/pop-to-EBP -<span id="L306" class="LineNr">306 </span> c3/return -<span id="L307" class="LineNr">307 </span> -<span id="L308" class="LineNr">308 </span><span class="subxComment"># 4-argument variant of _append</span> -<span id="L309" class="LineNr">309 </span><span class="subxMinorFunction">_append-4</span>: <span class="subxComment"># out : address, outend : address, in : address, inend : address -> num_bytes_appended/EAX</span> -<span id="L310" class="LineNr">310 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L311" class="LineNr">311 </span> 55/push-EBP -<span id="L312" class="LineNr">312 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L313" class="LineNr">313 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L314" class="LineNr">314 </span> 51/push-ECX -<span id="L315" class="LineNr">315 </span> 52/push-EDX -<span id="L316" class="LineNr">316 </span> 53/push-EBX -<span id="L317" class="LineNr">317 </span> 56/push-ESI -<span id="L318" class="LineNr">318 </span> 57/push-EDI -<span id="L319" class="LineNr">319 </span> <span class="subxComment"># EAX/num_bytes_appended = 0</span> -<span id="L320" class="LineNr">320 </span> b8/copy-to-EAX 0/imm32 -<span id="L321" class="LineNr">321 </span> <span class="subxComment"># EDI = out</span> -<span id="L322" class="LineNr">322 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> -<span id="L323" class="LineNr">323 </span> <span class="subxComment"># EDX = outend</span> -<span id="L324" class="LineNr">324 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDX</span> -<span id="L325" class="LineNr">325 </span> <span class="subxComment"># ESI = in</span> -<span id="L326" class="LineNr">326 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to ESI</span> -<span id="L327" class="LineNr">327 </span> <span class="subxComment"># ECX = inend</span> -<span id="L328" class="LineNr">328 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+20) to ECX</span> -<span id="L329" class="LineNr">329 </span><span class="Constant">$_append-4:loop</span>: -<span id="L330" class="LineNr">330 </span> <span class="subxComment"># if (in >= inend) break</span> -<span id="L331" class="LineNr">331 </span> 39/compare 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ESI with ECX</span> -<span id="L332" class="LineNr">332 </span> 7d/jump-if-greater-or-equal $_append-4:end/disp8 -<span id="L333" class="LineNr">333 </span> <span class="subxComment"># if (out >= outend) break # for now silently ignore filled up buffer</span> -<span id="L334" class="LineNr">334 </span> 39/compare 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDI with EDX</span> -<span id="L335" class="LineNr">335 </span> 7d/jump-if-greater-or-equal $_append-4:end/disp8 -<span id="L336" class="LineNr">336 </span> <span class="subxComment"># *out = *in</span> -<span id="L337" class="LineNr">337 </span> 8a/copy-byte 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ESI to BL</span> -<span id="L338" class="LineNr">338 </span> 88/copy-byte 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at BL to *EDI</span> -<span id="L339" class="LineNr">339 </span> <span class="subxComment"># ++num_bytes_appended</span> -<span id="L340" class="LineNr">340 </span> 40/increment-EAX -<span id="L341" class="LineNr">341 </span> <span class="subxComment"># ++in</span> -<span id="L342" class="LineNr">342 </span> 46/increment-ESI -<span id="L343" class="LineNr">343 </span> <span class="subxComment"># ++out</span> -<span id="L344" class="LineNr">344 </span> 47/increment-EDI -<span id="L345" class="LineNr">345 </span> eb/jump $_append-4:loop/disp8 -<span id="L346" class="LineNr">346 </span><span class="Constant">$_append-4:end</span>: -<span id="L347" class="LineNr">347 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L348" class="LineNr">348 </span> 5f/pop-to-EDI -<span id="L349" class="LineNr">349 </span> 5e/pop-to-ESI -<span id="L350" class="LineNr">350 </span> 5b/pop-to-EBX -<span id="L351" class="LineNr">351 </span> 5a/pop-to-EDX -<span id="L352" class="LineNr">352 </span> 59/pop-to-ECX -<span id="L353" class="LineNr">353 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L354" class="LineNr">354 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L355" class="LineNr">355 </span> 5d/pop-to-EBP -<span id="L356" class="LineNr">356 </span> c3/return -<span id="L357" class="LineNr">357 </span> -<span id="L358" class="LineNr">358 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L254" class="LineNr">254 </span> 68/push <span class="Constant">"F - test-trace-empty-line"</span>/imm32 +<span id="L255" class="LineNr">255 </span> 68/push 0/imm32 +<span id="L256" class="LineNr">256 </span> <span class="subxS2Comment"># . . push *_test-trace-stream->data</span> +<span id="L257" class="LineNr">257 </span> b8/copy-to-EAX <a href='056trace.subx.html#L29'>_test-trace-stream</a>/imm32 +<span id="L258" class="LineNr">258 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L259" class="LineNr">259 </span> <span class="subxS2Comment"># . . call</span> +<span id="L260" class="LineNr">260 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L261" class="LineNr">261 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L262" class="LineNr">262 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L263" class="LineNr">263 </span> <span class="subxComment"># end</span> +<span id="L264" class="LineNr">264 </span> c3/return +<span id="L265" class="LineNr">265 </span> +<span id="L266" class="LineNr">266 </span><span class="subxH1Comment"># - helpers</span> +<span id="L267" class="LineNr">267 </span> +<span id="L268" class="LineNr">268 </span><span class="subxComment"># 3-argument variant of _append</span> +<span id="L269" class="LineNr">269 </span><span class="subxMinorFunction">_append-3</span>: <span class="subxComment"># out : address, outend : address, s : (array byte) -> num_bytes_appended/EAX</span> +<span id="L270" class="LineNr">270 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L271" class="LineNr">271 </span> 55/push-EBP +<span id="L272" class="LineNr">272 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L273" class="LineNr">273 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L274" class="LineNr">274 </span> 51/push-ECX +<span id="L275" class="LineNr">275 </span> <span class="subxComment"># _append-4(out, outend, &s->data[0], &s->data[s->length]) -> num_bytes_appended/EAX</span> +<span id="L276" class="LineNr">276 </span> <span class="subxS2Comment"># . . push &s->data[s->length]</span> +<span id="L277" class="LineNr">277 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EAX</span> +<span id="L278" class="LineNr">278 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L279" class="LineNr">279 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L280" class="LineNr">280 </span> 51/push-ECX +<span id="L281" class="LineNr">281 </span> <span class="subxS2Comment"># . . push &s->data[0]</span> +<span id="L282" class="LineNr">282 </span> 8d/copy-address 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+4 to ECX</span> +<span id="L283" class="LineNr">283 </span> 51/push-ECX +<span id="L284" class="LineNr">284 </span> <span class="subxS2Comment"># . . push outend</span> +<span id="L285" class="LineNr">285 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L286" class="LineNr">286 </span> <span class="subxS2Comment"># . . push out</span> +<span id="L287" class="LineNr">287 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L288" class="LineNr">288 </span> <span class="subxS2Comment"># . . call</span> +<span id="L289" class="LineNr">289 </span> e8/call <a href='056trace.subx.html#L301'>_append-4</a>/disp32 +<span id="L290" class="LineNr">290 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L291" class="LineNr">291 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L292" class="LineNr">292 </span><span class="Constant">$_append-3:end</span>: +<span id="L293" class="LineNr">293 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L294" class="LineNr">294 </span> 59/pop-to-ECX +<span id="L295" class="LineNr">295 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L296" class="LineNr">296 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L297" class="LineNr">297 </span> 5d/pop-to-EBP +<span id="L298" class="LineNr">298 </span> c3/return +<span id="L299" class="LineNr">299 </span> +<span id="L300" class="LineNr">300 </span><span class="subxComment"># 4-argument variant of _append</span> +<span id="L301" class="LineNr">301 </span><span class="subxMinorFunction">_append-4</span>: <span class="subxComment"># out : address, outend : address, in : address, inend : address -> num_bytes_appended/EAX</span> +<span id="L302" class="LineNr">302 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L303" class="LineNr">303 </span> 55/push-EBP +<span id="L304" class="LineNr">304 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L305" class="LineNr">305 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L306" class="LineNr">306 </span> 51/push-ECX +<span id="L307" class="LineNr">307 </span> 52/push-EDX +<span id="L308" class="LineNr">308 </span> 53/push-EBX +<span id="L309" class="LineNr">309 </span> 56/push-ESI +<span id="L310" class="LineNr">310 </span> 57/push-EDI +<span id="L311" class="LineNr">311 </span> <span class="subxComment"># EAX/num_bytes_appended = 0</span> +<span id="L312" class="LineNr">312 </span> b8/copy-to-EAX 0/imm32 +<span id="L313" class="LineNr">313 </span> <span class="subxComment"># EDI = out</span> +<span id="L314" class="LineNr">314 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> +<span id="L315" class="LineNr">315 </span> <span class="subxComment"># EDX = outend</span> +<span id="L316" class="LineNr">316 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDX</span> +<span id="L317" class="LineNr">317 </span> <span class="subxComment"># ESI = in</span> +<span id="L318" class="LineNr">318 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to ESI</span> +<span id="L319" class="LineNr">319 </span> <span class="subxComment"># ECX = inend</span> +<span id="L320" class="LineNr">320 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+20) to ECX</span> +<span id="L321" class="LineNr">321 </span><span class="Constant">$_append-4:loop</span>: +<span id="L322" class="LineNr">322 </span> <span class="subxComment"># if (in >= inend) break</span> +<span id="L323" class="LineNr">323 </span> 39/compare 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ESI with ECX</span> +<span id="L324" class="LineNr">324 </span> 7d/jump-if-greater-or-equal $_append-4:end/disp8 +<span id="L325" class="LineNr">325 </span> <span class="subxComment"># if (out >= outend) break # for now silently ignore filled up buffer</span> +<span id="L326" class="LineNr">326 </span> 39/compare 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDI with EDX</span> +<span id="L327" class="LineNr">327 </span> 7d/jump-if-greater-or-equal $_append-4:end/disp8 +<span id="L328" class="LineNr">328 </span> <span class="subxComment"># *out = *in</span> +<span id="L329" class="LineNr">329 </span> 8a/copy-byte 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ESI to BL</span> +<span id="L330" class="LineNr">330 </span> 88/copy-byte 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at BL to *EDI</span> +<span id="L331" class="LineNr">331 </span> <span class="subxComment"># ++num_bytes_appended</span> +<span id="L332" class="LineNr">332 </span> 40/increment-EAX +<span id="L333" class="LineNr">333 </span> <span class="subxComment"># ++in</span> +<span id="L334" class="LineNr">334 </span> 46/increment-ESI +<span id="L335" class="LineNr">335 </span> <span class="subxComment"># ++out</span> +<span id="L336" class="LineNr">336 </span> 47/increment-EDI +<span id="L337" class="LineNr">337 </span> eb/jump $_append-4:loop/disp8 +<span id="L338" class="LineNr">338 </span><span class="Constant">$_append-4:end</span>: +<span id="L339" class="LineNr">339 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L340" class="LineNr">340 </span> 5f/pop-to-EDI +<span id="L341" class="LineNr">341 </span> 5e/pop-to-ESI +<span id="L342" class="LineNr">342 </span> 5b/pop-to-EBX +<span id="L343" class="LineNr">343 </span> 5a/pop-to-EDX +<span id="L344" class="LineNr">344 </span> 59/pop-to-ECX +<span id="L345" class="LineNr">345 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L346" class="LineNr">346 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L347" class="LineNr">347 </span> 5d/pop-to-EBP +<span id="L348" class="LineNr">348 </span> c3/return +<span id="L349" class="LineNr">349 </span> +<span id="L350" class="LineNr">350 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/057write.subx.html b/html/subx/057write.subx.html index fc3e5269..a9f9a116 100644 --- a/html/subx/057write.subx.html +++ b/html/subx/057write.subx.html @@ -19,7 +19,6 @@ a { color:inherit; } .subxMinorFunction { color: #875f5f; } .LineNr { } .subxS1Comment { color: #0000af; } -.SpecialChar { color: #d70000; } .subxFunction { color: #af5f00; text-decoration: underline; } .subxTest { color: #5f8700; } .Constant { color: #008787; } @@ -81,149 +80,142 @@ if ('onhashchange' in window) { <span id="L20" class="LineNr"> 20 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L21" class="LineNr"> 21 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L22" class="LineNr"> 22 </span> -<span id="L23" class="LineNr"> 23 </span><span class="subxComment"># main:</span> -<span id="L24" class="LineNr"> 24 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L26" class="LineNr"> 26 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L27" class="LineNr"> 27 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L28" class="LineNr"> 28 </span> cd/syscall 0x80/imm8 -<span id="L29" class="LineNr"> 29 </span> -<span id="L30" class="LineNr"> 30 </span><span class="subxComment"># TODO: come up with a way to signal when a write to disk fails</span> -<span id="L31" class="LineNr"> 31 </span><span class="subxFunction">write</span>: <span class="subxComment"># f : fd or (address stream), s : (address array byte) -> <void></span> -<span id="L32" class="LineNr"> 32 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L33" class="LineNr"> 33 </span> 55/push-EBP -<span id="L34" class="LineNr"> 34 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># if (f < 0x08000000) _write(f, s) and return # f can't be a user-mode address, so treat it as a kernel file descriptor</span> -<span id="L36" class="LineNr"> 36 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x08000000/imm32 <span class="subxComment"># compare *(EBP+8)</span> -<span id="L37" class="LineNr"> 37 </span> 7d/jump-if-greater-or-equal $write:fake/disp8 -<span id="L38" class="LineNr"> 38 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L39" class="LineNr"> 39 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L40" class="LineNr"> 40 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L41" class="LineNr"> 41 </span> <span class="subxS2Comment"># . . call</span> -<span id="L42" class="LineNr"> 42 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 -<span id="L43" class="LineNr"> 43 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L44" class="LineNr"> 44 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L45" class="LineNr"> 45 </span> eb/jump $write:end/disp8 -<span id="L46" class="LineNr"> 46 </span><span class="Constant">$write:fake</span>: -<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># otherwise, treat 'f' as a stream to append to</span> -<span id="L48" class="LineNr"> 48 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L49" class="LineNr"> 49 </span> 50/push-EAX -<span id="L50" class="LineNr"> 50 </span> 51/push-ECX -<span id="L51" class="LineNr"> 51 </span> 52/push-EDX -<span id="L52" class="LineNr"> 52 </span> 53/push-EBX -<span id="L53" class="LineNr"> 53 </span> <span class="subxComment"># ECX = f</span> -<span id="L54" class="LineNr"> 54 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> -<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># EDX = f->write</span> -<span id="L56" class="LineNr"> 56 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EDX</span> -<span id="L57" class="LineNr"> 57 </span> <span class="subxComment"># EBX = f->length</span> -<span id="L58" class="LineNr"> 58 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+8) to EBX</span> -<span id="L59" class="LineNr"> 59 </span> <span class="subxComment"># EAX = _append-3(&f->data[f->write], &f->data[f->length], s)</span> -<span id="L60" class="LineNr"> 60 </span> <span class="subxS2Comment"># . . push s</span> -<span id="L61" class="LineNr"> 61 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L62" class="LineNr"> 62 </span> <span class="subxS2Comment"># . . push &f->data[f->length]</span> -<span id="L63" class="LineNr"> 63 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ECX 3/index/EBX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX+EBX+12 to EBX</span> -<span id="L64" class="LineNr"> 64 </span> 53/push-EBX -<span id="L65" class="LineNr"> 65 </span> <span class="subxS2Comment"># . . push &f->data[f->write]</span> -<span id="L66" class="LineNr"> 66 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ECX 2/index/EDX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX+EDX+12 to EBX</span> -<span id="L67" class="LineNr"> 67 </span> 53/push-EBX -<span id="L68" class="LineNr"> 68 </span> <span class="subxS2Comment"># . . call</span> -<span id="L69" class="LineNr"> 69 </span> e8/call <a href='056trace.subx.html#L277'>_append-3</a>/disp32 -<span id="L70" class="LineNr"> 70 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L71" class="LineNr"> 71 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L72" class="LineNr"> 72 </span> <span class="subxComment"># f->write += EAX</span> -<span id="L73" class="LineNr"> 73 </span> 01/add 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to *ECX</span> -<span id="L74" class="LineNr"> 74 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L75" class="LineNr"> 75 </span> 5b/pop-to-EBX -<span id="L76" class="LineNr"> 76 </span> 5a/pop-to-EDX -<span id="L77" class="LineNr"> 77 </span> 59/pop-to-ECX -<span id="L78" class="LineNr"> 78 </span> 58/pop-to-EAX -<span id="L79" class="LineNr"> 79 </span><span class="Constant">$write:end</span>: -<span id="L80" class="LineNr"> 80 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L81" class="LineNr"> 81 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L82" class="LineNr"> 82 </span> 5d/pop-to-EBP -<span id="L83" class="LineNr"> 83 </span> c3/return -<span id="L84" class="LineNr"> 84 </span> -<span id="L85" class="LineNr"> 85 </span><span class="subxTest">test-write-single</span>: -<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L23" class="LineNr"> 23 </span><span class="subxComment"># TODO: come up with a way to signal when a write to disk fails</span> +<span id="L24" class="LineNr"> 24 </span><span class="subxFunction">write</span>: <span class="subxComment"># f : fd or (address stream), s : (address array byte) -> <void></span> +<span id="L25" class="LineNr"> 25 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L26" class="LineNr"> 26 </span> 55/push-EBP +<span id="L27" class="LineNr"> 27 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># if (f < 0x08000000) _write(f, s) and return # f can't be a user-mode address, so treat it as a kernel file descriptor</span> +<span id="L29" class="LineNr"> 29 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x08000000/imm32 <span class="subxComment"># compare *(EBP+8)</span> +<span id="L30" class="LineNr"> 30 </span> 7d/jump-if-greater-or-equal $write:fake/disp8 +<span id="L31" class="LineNr"> 31 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L32" class="LineNr"> 32 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L33" class="LineNr"> 33 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L34" class="LineNr"> 34 </span> <span class="subxS2Comment"># . . call</span> +<span id="L35" class="LineNr"> 35 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 +<span id="L36" class="LineNr"> 36 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L37" class="LineNr"> 37 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L38" class="LineNr"> 38 </span> eb/jump $write:end/disp8 +<span id="L39" class="LineNr"> 39 </span><span class="Constant">$write:fake</span>: +<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># otherwise, treat 'f' as a stream to append to</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L42" class="LineNr"> 42 </span> 50/push-EAX +<span id="L43" class="LineNr"> 43 </span> 51/push-ECX +<span id="L44" class="LineNr"> 44 </span> 52/push-EDX +<span id="L45" class="LineNr"> 45 </span> 53/push-EBX +<span id="L46" class="LineNr"> 46 </span> <span class="subxComment"># ECX = f</span> +<span id="L47" class="LineNr"> 47 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> +<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># EDX = f->write</span> +<span id="L49" class="LineNr"> 49 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EDX</span> +<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># EBX = f->length</span> +<span id="L51" class="LineNr"> 51 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+8) to EBX</span> +<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># EAX = _append-3(&f->data[f->write], &f->data[f->length], s)</span> +<span id="L53" class="LineNr"> 53 </span> <span class="subxS2Comment"># . . push s</span> +<span id="L54" class="LineNr"> 54 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L55" class="LineNr"> 55 </span> <span class="subxS2Comment"># . . push &f->data[f->length]</span> +<span id="L56" class="LineNr"> 56 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ECX 3/index/EBX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX+EBX+12 to EBX</span> +<span id="L57" class="LineNr"> 57 </span> 53/push-EBX +<span id="L58" class="LineNr"> 58 </span> <span class="subxS2Comment"># . . push &f->data[f->write]</span> +<span id="L59" class="LineNr"> 59 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ECX 2/index/EDX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX+EDX+12 to EBX</span> +<span id="L60" class="LineNr"> 60 </span> 53/push-EBX +<span id="L61" class="LineNr"> 61 </span> <span class="subxS2Comment"># . . call</span> +<span id="L62" class="LineNr"> 62 </span> e8/call <a href='056trace.subx.html#L269'>_append-3</a>/disp32 +<span id="L63" class="LineNr"> 63 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L64" class="LineNr"> 64 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># f->write += EAX</span> +<span id="L66" class="LineNr"> 66 </span> 01/add 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to *ECX</span> +<span id="L67" class="LineNr"> 67 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L68" class="LineNr"> 68 </span> 5b/pop-to-EBX +<span id="L69" class="LineNr"> 69 </span> 5a/pop-to-EDX +<span id="L70" class="LineNr"> 70 </span> 59/pop-to-ECX +<span id="L71" class="LineNr"> 71 </span> 58/pop-to-EAX +<span id="L72" class="LineNr"> 72 </span><span class="Constant">$write:end</span>: +<span id="L73" class="LineNr"> 73 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L74" class="LineNr"> 74 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L75" class="LineNr"> 75 </span> 5d/pop-to-EBP +<span id="L76" class="LineNr"> 76 </span> c3/return +<span id="L77" class="LineNr"> 77 </span> +<span id="L78" class="LineNr"> 78 </span><span class="subxTest">test-write-single</span>: +<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L80" class="LineNr"> 80 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L81" class="LineNr"> 81 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . call</span> +<span id="L83" class="LineNr"> 83 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L84" class="LineNr"> 84 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L85" class="LineNr"> 85 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># write(_test-stream, "Ab")</span> <span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L88" class="LineNr"> 88 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L89" class="LineNr"> 89 </span> <span class="subxS2Comment"># . . call</span> -<span id="L90" class="LineNr"> 90 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L91" class="LineNr"> 91 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L92" class="LineNr"> 92 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># write(_test-stream, "Ab")</span> -<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L95" class="LineNr"> 95 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L96" class="LineNr"> 96 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L97" class="LineNr"> 97 </span> <span class="subxS2Comment"># . . call</span> -<span id="L98" class="LineNr"> 98 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L99" class="LineNr"> 99 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L100" class="LineNr">100 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L101" class="LineNr">101 </span> <span class="subxComment"># check-ints-equal(*_test-stream->data, 41/A 62/b 00 00, msg)</span> -<span id="L102" class="LineNr">102 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L103" class="LineNr">103 </span> 68/push <span class="Constant">"F - test-write-single"</span>/imm32 -<span id="L104" class="LineNr">104 </span> 68/push 0x006241/imm32/Ab -<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L106" class="LineNr">106 </span> b8/copy-to-EAX <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L107" class="LineNr">107 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L108" class="LineNr">108 </span> <span class="subxS2Comment"># . . call</span> -<span id="L109" class="LineNr">109 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L111" class="LineNr">111 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L112" class="LineNr">112 </span> <span class="subxComment"># end</span> -<span id="L113" class="LineNr">113 </span> c3/return -<span id="L114" class="LineNr">114 </span> -<span id="L115" class="LineNr">115 </span><span class="subxTest">test-write-appends</span>: -<span id="L116" class="LineNr">116 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L88" class="LineNr"> 88 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L89" class="LineNr"> 89 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L90" class="LineNr"> 90 </span> <span class="subxS2Comment"># . . call</span> +<span id="L91" class="LineNr"> 91 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L93" class="LineNr"> 93 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L94" class="LineNr"> 94 </span> <span class="subxComment"># check-ints-equal(*_test-stream->data, 41/A 62/b 00 00, msg)</span> +<span id="L95" class="LineNr"> 95 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L96" class="LineNr"> 96 </span> 68/push <span class="Constant">"F - test-write-single"</span>/imm32 +<span id="L97" class="LineNr"> 97 </span> 68/push 0x006241/imm32/Ab +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L99" class="LineNr"> 99 </span> b8/copy-to-EAX <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L100" class="LineNr">100 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L101" class="LineNr">101 </span> <span class="subxS2Comment"># . . call</span> +<span id="L102" class="LineNr">102 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L104" class="LineNr">104 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L105" class="LineNr">105 </span> <span class="subxComment"># end</span> +<span id="L106" class="LineNr">106 </span> c3/return +<span id="L107" class="LineNr">107 </span> +<span id="L108" class="LineNr">108 </span><span class="subxTest">test-write-appends</span>: +<span id="L109" class="LineNr">109 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L111" class="LineNr">111 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L112" class="LineNr">112 </span> <span class="subxS2Comment"># . . call</span> +<span id="L113" class="LineNr">113 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L115" class="LineNr">115 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L116" class="LineNr">116 </span> <span class="subxComment"># write(_test-stream, "C")</span> <span id="L117" class="LineNr">117 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L118" class="LineNr">118 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . call</span> -<span id="L120" class="LineNr">120 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L121" class="LineNr">121 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L122" class="LineNr">122 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L123" class="LineNr">123 </span> <span class="subxComment"># write(_test-stream, "C")</span> -<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L125" class="LineNr">125 </span> 68/push <span class="Constant">"C"</span>/imm32 -<span id="L126" class="LineNr">126 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . call</span> -<span id="L128" class="LineNr">128 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L129" class="LineNr">129 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L130" class="LineNr">130 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L131" class="LineNr">131 </span> <span class="subxComment"># write(_test-stream, "D")</span> -<span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L133" class="LineNr">133 </span> 68/push <span class="Constant">"D"</span>/imm32 -<span id="L134" class="LineNr">134 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L135" class="LineNr">135 </span> <span class="subxS2Comment"># . . call</span> -<span id="L136" class="LineNr">136 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L138" class="LineNr">138 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L139" class="LineNr">139 </span> <span class="subxComment"># check-ints-equal(*_test-stream->data, 43/C 44/D 00 00, msg)</span> -<span id="L140" class="LineNr">140 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L141" class="LineNr">141 </span> 68/push <span class="Constant">"F - test-write-appends"</span>/imm32 -<span id="L142" class="LineNr">142 </span> 68/push 0x00004443/imm32/C-D -<span id="L143" class="LineNr">143 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L144" class="LineNr">144 </span> b8/copy-to-EAX <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L145" class="LineNr">145 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . call</span> -<span id="L147" class="LineNr">147 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L148" class="LineNr">148 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L149" class="LineNr">149 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L150" class="LineNr">150 </span> <span class="subxComment"># end</span> -<span id="L151" class="LineNr">151 </span> c3/return -<span id="L152" class="LineNr">152 </span> -<span id="L153" class="LineNr">153 </span>== data -<span id="L154" class="LineNr">154 </span> -<span id="L155" class="LineNr">155 </span><span class="subxMinorFunction">_test-stream</span>: -<span id="L156" class="LineNr">156 </span> <span class="subxComment"># current write index</span> -<span id="L157" class="LineNr">157 </span> 00 00 00 00 -<span id="L158" class="LineNr">158 </span> <span class="subxComment"># current read index</span> -<span id="L159" class="LineNr">159 </span> 00 00 00 00 -<span id="L160" class="LineNr">160 </span> <span class="subxComment"># length (= 8)</span> -<span id="L161" class="LineNr">161 </span> 08 00 00 00 -<span id="L162" class="LineNr">162 </span> <span class="subxComment"># data</span> -<span id="L163" class="LineNr">163 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> -<span id="L164" class="LineNr">164 </span> -<span id="L165" class="LineNr">165 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L118" class="LineNr">118 </span> 68/push <span class="Constant">"C"</span>/imm32 +<span id="L119" class="LineNr">119 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L120" class="LineNr">120 </span> <span class="subxS2Comment"># . . call</span> +<span id="L121" class="LineNr">121 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L122" class="LineNr">122 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L123" class="LineNr">123 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L124" class="LineNr">124 </span> <span class="subxComment"># write(_test-stream, "D")</span> +<span id="L125" class="LineNr">125 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L126" class="LineNr">126 </span> 68/push <span class="Constant">"D"</span>/imm32 +<span id="L127" class="LineNr">127 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . call</span> +<span id="L129" class="LineNr">129 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L130" class="LineNr">130 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L131" class="LineNr">131 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L132" class="LineNr">132 </span> <span class="subxComment"># check-ints-equal(*_test-stream->data, 43/C 44/D 00 00, msg)</span> +<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L134" class="LineNr">134 </span> 68/push <span class="Constant">"F - test-write-appends"</span>/imm32 +<span id="L135" class="LineNr">135 </span> 68/push 0x00004443/imm32/C-D +<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L137" class="LineNr">137 </span> b8/copy-to-EAX <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L138" class="LineNr">138 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . call</span> +<span id="L140" class="LineNr">140 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L141" class="LineNr">141 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L142" class="LineNr">142 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L143" class="LineNr">143 </span> <span class="subxComment"># end</span> +<span id="L144" class="LineNr">144 </span> c3/return +<span id="L145" class="LineNr">145 </span> +<span id="L146" class="LineNr">146 </span>== data +<span id="L147" class="LineNr">147 </span> +<span id="L148" class="LineNr">148 </span><span class="subxMinorFunction">_test-stream</span>: +<span id="L149" class="LineNr">149 </span> <span class="subxComment"># current write index</span> +<span id="L150" class="LineNr">150 </span> 0/imm32 +<span id="L151" class="LineNr">151 </span> <span class="subxComment"># current read index</span> +<span id="L152" class="LineNr">152 </span> 0/imm32 +<span id="L153" class="LineNr">153 </span> <span class="subxComment"># length</span> +<span id="L154" class="LineNr">154 </span> 8/imm32 +<span id="L155" class="LineNr">155 </span> <span class="subxComment"># data</span> +<span id="L156" class="LineNr">156 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> +<span id="L157" class="LineNr">157 </span> +<span id="L158" class="LineNr">158 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/058stream-equal.subx.html b/html/subx/058stream-equal.subx.html index 31fcfd17..30a64f8a 100644 --- a/html/subx/058stream-equal.subx.html +++ b/html/subx/058stream-equal.subx.html @@ -66,671 +66,670 @@ if ('onhashchange' in window) { <span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L7" class="LineNr"> 7 </span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># main:</span> +<span id="L8" class="LineNr"> 8 </span><span class="CommentedCode">#? Entry: # run a single test, while debugging</span> <span id="L9" class="LineNr"> 9 </span><span class="CommentedCode">#? e8/call test-next-stream-line-equal-stops-at-newline/disp32</span> -<span id="L10" class="LineNr"> 10 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L12" class="LineNr"> 12 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L13" class="LineNr"> 13 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L14" class="LineNr"> 14 </span> cd/syscall 0x80/imm8 -<span id="L15" class="LineNr"> 15 </span> -<span id="L16" class="LineNr"> 16 </span><span class="subxComment"># compare all the data in a stream (ignoring the read pointer)</span> -<span id="L17" class="LineNr"> 17 </span><span class="subxFunction">stream-data-equal?</span>: <span class="subxComment"># f : (address stream), s : (address string) -> EAX : boolean</span> -<span id="L18" class="LineNr"> 18 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L19" class="LineNr"> 19 </span> 55/push-EBP -<span id="L20" class="LineNr"> 20 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L21" class="LineNr"> 21 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L22" class="LineNr"> 22 </span> 51/push-ECX -<span id="L23" class="LineNr"> 23 </span> 52/push-EDX -<span id="L24" class="LineNr"> 24 </span> 56/push-ESI -<span id="L25" class="LineNr"> 25 </span> 57/push-EDI -<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># ESI = f</span> -<span id="L27" class="LineNr"> 27 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># max/EDX = f->data + f->write</span> -<span id="L29" class="LineNr"> 29 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EAX</span> -<span id="L30" class="LineNr"> 30 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to EDX</span> -<span id="L31" class="LineNr"> 31 </span> <span class="subxComment"># currf/ESI = f->data</span> -<span id="L32" class="LineNr"> 32 </span> 81 0/subop/add 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESI</span> -<span id="L33" class="LineNr"> 33 </span> <span class="subxComment"># EDI = s</span> -<span id="L34" class="LineNr"> 34 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> -<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># if (f->write != s->length) return false</span> -<span id="L36" class="LineNr"> 36 </span> 39/compare 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *EDI and EAX</span> -<span id="L37" class="LineNr"> 37 </span> 75/jump-if-not-equal $stream-data-equal?:false/disp8 -<span id="L38" class="LineNr"> 38 </span> <span class="subxComment"># currs/EDI = s->data</span> -<span id="L39" class="LineNr"> 39 </span> 81 0/subop/add 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to EDI</span> -<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># EAX = ECX = 0</span> -<span id="L41" class="LineNr"> 41 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L42" class="LineNr"> 42 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> -<span id="L43" class="LineNr"> 43 </span><span class="Constant">$stream-data-equal?:loop</span>: -<span id="L44" class="LineNr"> 44 </span> <span class="subxComment"># if (curr >= max) return true</span> -<span id="L45" class="LineNr"> 45 </span> 39/compare 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ESI with EDX</span> -<span id="L46" class="LineNr"> 46 </span> 7d/jump-if-greater-or-equal $stream-data-equal?:true/disp8 -<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># AL = *currs</span> -<span id="L48" class="LineNr"> 48 </span> 8a/copy-byte 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ESI to AL</span> -<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># CL = *curr</span> -<span id="L50" class="LineNr"> 50 </span> 8a/copy-byte 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/CL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EDI to CL</span> -<span id="L51" class="LineNr"> 51 </span> <span class="subxComment"># if (EAX != ECX) return false</span> -<span id="L52" class="LineNr"> 52 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and ECX</span> -<span id="L53" class="LineNr"> 53 </span> 75/jump-if-not-equal $stream-data-equal?:false/disp8 -<span id="L54" class="LineNr"> 54 </span> <span class="subxComment"># ++f</span> -<span id="L55" class="LineNr"> 55 </span> 46/increment-ESI -<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># ++curr</span> -<span id="L57" class="LineNr"> 57 </span> 47/increment-EDI -<span id="L58" class="LineNr"> 58 </span> eb/jump $stream-data-equal?:loop/disp8 -<span id="L59" class="LineNr"> 59 </span><span class="Constant">$stream-data-equal?:false</span>: -<span id="L60" class="LineNr"> 60 </span> b8/copy-to-EAX 0/imm32 -<span id="L61" class="LineNr"> 61 </span> eb/jump $stream-data-equal?:end/disp8 -<span id="L62" class="LineNr"> 62 </span><span class="Constant">$stream-data-equal?:true</span>: -<span id="L63" class="LineNr"> 63 </span> b8/copy-to-EAX 1/imm32 -<span id="L64" class="LineNr"> 64 </span><span class="Constant">$stream-data-equal?:end</span>: -<span id="L65" class="LineNr"> 65 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L66" class="LineNr"> 66 </span> 5f/pop-to-EDI -<span id="L67" class="LineNr"> 67 </span> 5e/pop-to-ESI -<span id="L68" class="LineNr"> 68 </span> 5a/pop-to-EDX -<span id="L69" class="LineNr"> 69 </span> 59/pop-to-ECX -<span id="L70" class="LineNr"> 70 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L71" class="LineNr"> 71 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L72" class="LineNr"> 72 </span> 5d/pop-to-EBP -<span id="L73" class="LineNr"> 73 </span> c3/return -<span id="L74" class="LineNr"> 74 </span> -<span id="L75" class="LineNr"> 75 </span><span class="subxTest">test-stream-data-equal</span>: -<span id="L76" class="LineNr"> 76 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L77" class="LineNr"> 77 </span> 55/push-EBP -<span id="L78" class="LineNr"> 78 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># clear-stream(_test-stream)</span> -<span id="L80" class="LineNr"> 80 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L81" class="LineNr"> 81 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . call</span> -<span id="L83" class="LineNr"> 83 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L84" class="LineNr"> 84 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L85" class="LineNr"> 85 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># write(_test-stream, "Abc")</span> -<span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L88" class="LineNr"> 88 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L89" class="LineNr"> 89 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L90" class="LineNr"> 90 </span> <span class="subxS2Comment"># . . call</span> -<span id="L91" class="LineNr"> 91 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L93" class="LineNr"> 93 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L94" class="LineNr"> 94 </span> <span class="subxComment"># EAX = stream-data-equal?(_test-stream, "Abc")</span> -<span id="L95" class="LineNr"> 95 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L96" class="LineNr"> 96 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L97" class="LineNr"> 97 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . call</span> -<span id="L99" class="LineNr"> 99 </span> e8/call <a href='058stream-equal.subx.html#L17'>stream-data-equal?</a>/disp32 -<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L101" class="LineNr">101 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L102" class="LineNr">102 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L104" class="LineNr">104 </span> 68/push <span class="Constant">"F - test-stream-data-equal"</span>/imm32 -<span id="L105" class="LineNr">105 </span> 68/push 1/imm32 -<span id="L106" class="LineNr">106 </span> 50/push-EAX -<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . call</span> -<span id="L108" class="LineNr">108 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L109" class="LineNr">109 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L110" class="LineNr">110 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L111" class="LineNr">111 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L112" class="LineNr">112 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L113" class="LineNr">113 </span> 5d/pop-to-EBP -<span id="L114" class="LineNr">114 </span> c3/return -<span id="L115" class="LineNr">115 </span> -<span id="L116" class="LineNr">116 </span><span class="subxTest">test-stream-data-equal-2</span>: -<span id="L117" class="LineNr">117 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L118" class="LineNr">118 </span> 55/push-EBP -<span id="L119" class="LineNr">119 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L120" class="LineNr">120 </span> <span class="subxComment"># clear-stream(_test-stream)</span> -<span id="L121" class="LineNr">121 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L122" class="LineNr">122 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L123" class="LineNr">123 </span> <span class="subxS2Comment"># . . call</span> -<span id="L124" class="LineNr">124 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L125" class="LineNr">125 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L126" class="LineNr">126 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L127" class="LineNr">127 </span> <span class="subxComment"># write(_test-stream, "Abc")</span> -<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L129" class="LineNr">129 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L130" class="LineNr">130 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L131" class="LineNr">131 </span> <span class="subxS2Comment"># . . call</span> -<span id="L132" class="LineNr">132 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L134" class="LineNr">134 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L135" class="LineNr">135 </span> <span class="subxComment"># EAX = stream-data-equal?(_test-stream, "Abd")</span> -<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L137" class="LineNr">137 </span> 68/push <span class="Constant">"Abd"</span>/imm32 -<span id="L138" class="LineNr">138 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . call</span> -<span id="L140" class="LineNr">140 </span> e8/call <a href='058stream-equal.subx.html#L17'>stream-data-equal?</a>/disp32 -<span id="L141" class="LineNr">141 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L142" class="LineNr">142 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L143" class="LineNr">143 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L144" class="LineNr">144 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L145" class="LineNr">145 </span> 68/push <span class="Constant">"F - test-stream-data-equal-2"</span>/imm32 -<span id="L146" class="LineNr">146 </span> 68/push 0/imm32 -<span id="L147" class="LineNr">147 </span> 50/push-EAX -<span id="L148" class="LineNr">148 </span> <span class="subxS2Comment"># . . call</span> -<span id="L149" class="LineNr">149 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L151" class="LineNr">151 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L152" class="LineNr">152 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L153" class="LineNr">153 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L154" class="LineNr">154 </span> 5d/pop-to-EBP -<span id="L155" class="LineNr">155 </span> c3/return -<span id="L156" class="LineNr">156 </span> -<span id="L157" class="LineNr">157 </span><span class="subxTest">test-stream-data-equal-length-check</span>: -<span id="L158" class="LineNr">158 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L159" class="LineNr">159 </span> 55/push-EBP -<span id="L160" class="LineNr">160 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L161" class="LineNr">161 </span> <span class="subxComment"># clear-stream(_test-stream)</span> -<span id="L162" class="LineNr">162 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L163" class="LineNr">163 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L164" class="LineNr">164 </span> <span class="subxS2Comment"># . . call</span> -<span id="L165" class="LineNr">165 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L166" class="LineNr">166 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L167" class="LineNr">167 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L168" class="LineNr">168 </span> <span class="subxComment"># write(_test-stream, "Abc")</span> -<span id="L169" class="LineNr">169 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L170" class="LineNr">170 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L171" class="LineNr">171 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L172" class="LineNr">172 </span> <span class="subxS2Comment"># . . call</span> -<span id="L173" class="LineNr">173 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L175" class="LineNr">175 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L176" class="LineNr">176 </span> <span class="subxComment"># EAX = stream-data-equal?(_test-stream, "Abcd")</span> -<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L178" class="LineNr">178 </span> 68/push <span class="Constant">"Abcd"</span>/imm32 -<span id="L179" class="LineNr">179 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . call</span> -<span id="L181" class="LineNr">181 </span> e8/call <a href='058stream-equal.subx.html#L17'>stream-data-equal?</a>/disp32 -<span id="L182" class="LineNr">182 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L183" class="LineNr">183 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L184" class="LineNr">184 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L186" class="LineNr">186 </span> 68/push <span class="Constant">"F - test-stream-data-equal-length-check"</span>/imm32 -<span id="L187" class="LineNr">187 </span> 68/push 0/imm32 -<span id="L188" class="LineNr">188 </span> 50/push-EAX -<span id="L189" class="LineNr">189 </span> <span class="subxS2Comment"># . . call</span> -<span id="L190" class="LineNr">190 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L191" class="LineNr">191 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L192" class="LineNr">192 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L193" class="LineNr">193 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L194" class="LineNr">194 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L195" class="LineNr">195 </span> 5d/pop-to-EBP -<span id="L196" class="LineNr">196 </span> c3/return -<span id="L197" class="LineNr">197 </span> -<span id="L198" class="LineNr">198 </span><span class="subxComment"># helper for later tests</span> -<span id="L199" class="LineNr">199 </span><span class="subxFunction">check-stream-equal</span>: <span class="subxComment"># f : (address stream), s : (address string), msg : (address string)</span> -<span id="L200" class="LineNr">200 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L201" class="LineNr">201 </span> 55/push-EBP -<span id="L202" class="LineNr">202 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L203" class="LineNr">203 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L204" class="LineNr">204 </span> 50/push-EAX -<span id="L205" class="LineNr">205 </span> <span class="subxComment"># EAX = stream-data-equal?(f, s)</span> -<span id="L206" class="LineNr">206 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L207" class="LineNr">207 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L208" class="LineNr">208 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L209" class="LineNr">209 </span> <span class="subxS2Comment"># . . call</span> -<span id="L210" class="LineNr">210 </span> e8/call <a href='058stream-equal.subx.html#L17'>stream-data-equal?</a>/disp32 -<span id="L211" class="LineNr">211 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L212" class="LineNr">212 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L213" class="LineNr">213 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L214" class="LineNr">214 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L215" class="LineNr">215 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L216" class="LineNr">216 </span> 68/push 1/imm32 -<span id="L217" class="LineNr">217 </span> 50/push-EAX -<span id="L218" class="LineNr">218 </span> <span class="subxS2Comment"># . . call</span> -<span id="L219" class="LineNr">219 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L220" class="LineNr">220 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L221" class="LineNr">221 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L222" class="LineNr">222 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L223" class="LineNr">223 </span> 58/pop-to-EAX -<span id="L224" class="LineNr">224 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L225" class="LineNr">225 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L226" class="LineNr">226 </span> 5d/pop-to-EBP -<span id="L227" class="LineNr">227 </span> c3/return -<span id="L228" class="LineNr">228 </span> -<span id="L229" class="LineNr">229 </span><span class="subxComment"># scan the next line until newline starting from f->read and compare it with</span> -<span id="L230" class="LineNr">230 </span><span class="subxComment"># 's' (ignoring the trailing newline)</span> -<span id="L231" class="LineNr">231 </span><span class="subxComment"># on success, set f->read to after the next newline</span> -<span id="L232" class="LineNr">232 </span><span class="subxComment"># on failure, leave f->read unmodified</span> -<span id="L233" class="LineNr">233 </span><span class="subxComment"># this function is usually used only in tests, so we repeatedly write f->read</span> -<span id="L234" class="LineNr">234 </span><span class="subxFunction">next-stream-line-equal?</span>: <span class="subxComment"># f : (address stream), s : (address string) -> EAX : boolean</span> -<span id="L235" class="LineNr">235 </span> <span class="subxComment"># pseudocode:</span> -<span id="L236" class="LineNr">236 </span> <span class="subxComment"># currf = f->read # bound: f->write</span> -<span id="L237" class="LineNr">237 </span> <span class="subxComment"># currs = 0 # bound : s->length</span> -<span id="L238" class="LineNr">238 </span> <span class="subxComment"># while true:</span> -<span id="L239" class="LineNr">239 </span> <span class="subxComment"># if (currf >= f->write)</span> -<span id="L240" class="LineNr">240 </span> <span class="subxComment"># return currs >= s->length</span> -<span id="L241" class="LineNr">241 </span> <span class="subxComment"># if (f[currf] == '\n')</span> -<span id="L242" class="LineNr">242 </span> <span class="subxComment"># ++currf</span> -<span id="L243" class="LineNr">243 </span> <span class="subxComment"># return currs >= s->length</span> -<span id="L244" class="LineNr">244 </span> <span class="subxComment"># if (currs >= s->length) return false # the current line of f still has data to match</span> -<span id="L245" class="LineNr">245 </span> <span class="subxComment"># if (f[currf] != s[currs]) return false</span> -<span id="L246" class="LineNr">246 </span> <span class="subxComment"># ++currf</span> -<span id="L247" class="LineNr">247 </span> <span class="subxComment"># ++currs</span> -<span id="L248" class="LineNr">248 </span> <span class="subxComment">#</span> -<span id="L249" class="LineNr">249 </span> <span class="subxComment"># collapsing the two branches that can return true:</span> -<span id="L250" class="LineNr">250 </span> <span class="subxComment"># currf = f->read # bound: f->write</span> -<span id="L251" class="LineNr">251 </span> <span class="subxComment"># currs = 0 # bound : s->length</span> -<span id="L252" class="LineNr">252 </span> <span class="subxComment"># while true:</span> -<span id="L253" class="LineNr">253 </span> <span class="subxComment"># if (currf >= f->write) break</span> -<span id="L254" class="LineNr">254 </span> <span class="subxComment"># if (f[currf] == '\n') break</span> -<span id="L255" class="LineNr">255 </span> <span class="subxComment"># if (currs >= s->length) return false # the current line of f still has data to match</span> -<span id="L256" class="LineNr">256 </span> <span class="subxComment"># if (f[currf] != s[currs]) return false</span> -<span id="L257" class="LineNr">257 </span> <span class="subxComment"># ++currf</span> -<span id="L258" class="LineNr">258 </span> <span class="subxComment"># ++currs</span> -<span id="L259" class="LineNr">259 </span> <span class="subxComment"># ++currf # skip '\n'</span> -<span id="L260" class="LineNr">260 </span> <span class="subxComment"># return currs >= s->length</span> -<span id="L261" class="LineNr">261 </span> <span class="subxComment"># Here the final `++currf` is sometimes unnecessary (if we're already at the end of the stream)</span> -<span id="L262" class="LineNr">262 </span> <span class="subxComment">#</span> -<span id="L263" class="LineNr">263 </span> <span class="subxComment"># registers:</span> -<span id="L264" class="LineNr">264 </span> <span class="subxComment"># f: ESI</span> -<span id="L265" class="LineNr">265 </span> <span class="subxComment"># s: EDI</span> -<span id="L266" class="LineNr">266 </span> <span class="subxComment"># currf: ECX</span> -<span id="L267" class="LineNr">267 </span> <span class="subxComment"># currs: EDX</span> -<span id="L268" class="LineNr">268 </span> <span class="subxComment"># f[currf]: EAX</span> -<span id="L269" class="LineNr">269 </span> <span class="subxComment"># s[currs]: EBX</span> -<span id="L270" class="LineNr">270 </span> <span class="subxComment">#</span> -<span id="L271" class="LineNr">271 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L272" class="LineNr">272 </span> 55/push-EBP -<span id="L273" class="LineNr">273 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L274" class="LineNr">274 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L275" class="LineNr">275 </span> 51/push-ECX -<span id="L276" class="LineNr">276 </span> 52/push-EDX -<span id="L277" class="LineNr">277 </span> 56/push-ESI -<span id="L278" class="LineNr">278 </span> 57/push-EDI -<span id="L279" class="LineNr">279 </span> <span class="subxComment"># ESI = f</span> -<span id="L280" class="LineNr">280 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L281" class="LineNr">281 </span> <span class="subxComment"># currf/ECX = f->read</span> -<span id="L282" class="LineNr">282 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> -<span id="L283" class="LineNr">283 </span> <span class="subxComment"># EDI = s</span> -<span id="L284" class="LineNr">284 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> -<span id="L285" class="LineNr">285 </span> <span class="subxComment"># currs/EDX = 0</span> -<span id="L286" class="LineNr">286 </span> 31/xor 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EDX</span> -<span id="L287" class="LineNr">287 </span> <span class="subxComment"># EAX = EBX = 0</span> -<span id="L288" class="LineNr">288 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L289" class="LineNr">289 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> -<span id="L290" class="LineNr">290 </span><span class="Constant">$next-stream-line-equal?:loop</span>: -<span id="L291" class="LineNr">291 </span> <span class="subxComment"># if (currf >= f->write) break</span> -<span id="L292" class="LineNr">292 </span> 3b/compare 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with *ESI</span> -<span id="L293" class="LineNr">293 </span> 7d/jump-if-greater-or-equal $next-stream-line-equal?:break/disp8 -<span id="L294" class="LineNr">294 </span> <span class="subxComment"># AL = *(f->data + f->read)</span> -<span id="L295" class="LineNr">295 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+12) to AL</span> -<span id="L296" class="LineNr">296 </span> <span class="subxComment"># if (EAX == '\n') break</span> -<span id="L297" class="LineNr">297 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xa/imm32/newline <span class="subxComment"># compare EAX</span> -<span id="L298" class="LineNr">298 </span> 74/jump-if-equal $next-stream-line-equal?:break/disp8 -<span id="L299" class="LineNr">299 </span> <span class="subxComment"># if (currs >= s->length) return false</span> -<span id="L300" class="LineNr">300 </span> 3b/compare 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDX with *EDI</span> -<span id="L301" class="LineNr">301 </span> 7d/jump-if-greater-or-equal $next-stream-line-equal?:false/disp8 -<span id="L302" class="LineNr">302 </span> <span class="subxComment"># BL = *(s->data + currs)</span> -<span id="L303" class="LineNr">303 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/EDI 2/index/EDX <span class="Normal"> . </span> 3/r32/BL 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(EDI+EDX+4) to BL</span> -<span id="L304" class="LineNr">304 </span> <span class="subxComment"># if (EAX != EBX) return false</span> -<span id="L305" class="LineNr">305 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and EBX</span> -<span id="L306" class="LineNr">306 </span> 75/jump-if-not-equal $next-stream-line-equal?:false/disp8 -<span id="L307" class="LineNr">307 </span> <span class="subxComment"># ++currf</span> -<span id="L308" class="LineNr">308 </span> 41/increment-ECX -<span id="L309" class="LineNr">309 </span> <span class="subxComment"># ++currs</span> -<span id="L310" class="LineNr">310 </span> 42/increment-EDX -<span id="L311" class="LineNr">311 </span> eb/jump $next-stream-line-equal?:loop/disp8 -<span id="L312" class="LineNr">312 </span><span class="Constant">$next-stream-line-equal?:break</span>: -<span id="L313" class="LineNr">313 </span> <span class="subxComment"># ++currf</span> -<span id="L314" class="LineNr">314 </span> 41/increment-ECX -<span id="L315" class="LineNr">315 </span> <span class="subxComment"># if (currs >= s->length) return true</span> -<span id="L316" class="LineNr">316 </span> 3b/compare 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDX with *EDI</span> -<span id="L317" class="LineNr">317 </span> 7c/jump-if-lesser $next-stream-line-equal?:false/disp8 -<span id="L318" class="LineNr">318 </span><span class="Constant">$next-stream-line-equal?:true</span>: -<span id="L319" class="LineNr">319 </span> b8/copy-to-EAX 1/imm32 -<span id="L320" class="LineNr">320 </span> <span class="subxComment"># persist f->read on success</span> -<span id="L321" class="LineNr">321 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(ESI+4)</span> -<span id="L322" class="LineNr">322 </span> eb/jump $next-stream-line-equal?:end/disp8 -<span id="L323" class="LineNr">323 </span><span class="Constant">$next-stream-line-equal?:false</span>: -<span id="L324" class="LineNr">324 </span> b8/copy-to-EAX 0/imm32 -<span id="L325" class="LineNr">325 </span><span class="Constant">$next-stream-line-equal?:end</span>: -<span id="L326" class="LineNr">326 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L327" class="LineNr">327 </span> 5f/pop-to-EDI -<span id="L328" class="LineNr">328 </span> 5e/pop-to-ESI -<span id="L329" class="LineNr">329 </span> 5a/pop-to-EDX -<span id="L330" class="LineNr">330 </span> 59/pop-to-ECX -<span id="L331" class="LineNr">331 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L332" class="LineNr">332 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L333" class="LineNr">333 </span> 5d/pop-to-EBP -<span id="L334" class="LineNr">334 </span> c3/return -<span id="L335" class="LineNr">335 </span> -<span id="L336" class="LineNr">336 </span><span class="subxTest">test-next-stream-line-equal-stops-at-newline</span>: -<span id="L337" class="LineNr">337 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L338" class="LineNr">338 </span> 55/push-EBP -<span id="L339" class="LineNr">339 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L340" class="LineNr">340 </span> <span class="subxComment"># clear-stream(_test-stream)</span> -<span id="L341" class="LineNr">341 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L342" class="LineNr">342 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L343" class="LineNr">343 </span> <span class="subxS2Comment"># . . call</span> -<span id="L344" class="LineNr">344 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L345" class="LineNr">345 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L346" class="LineNr">346 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L347" class="LineNr">347 </span> <span class="subxComment"># write(_test-stream, "Abc\ndef")</span> -<span id="L348" class="LineNr">348 </span> <span class="subxS1Comment"># . write(_test-stream, "Abc")</span> -<span id="L349" class="LineNr">349 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L350" class="LineNr">350 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L351" class="LineNr">351 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L352" class="LineNr">352 </span> <span class="subxS2Comment"># . . call</span> -<span id="L353" class="LineNr">353 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L354" class="LineNr">354 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L355" class="LineNr">355 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L356" class="LineNr">356 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> -<span id="L357" class="LineNr">357 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L358" class="LineNr">358 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L359" class="LineNr">359 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L360" class="LineNr">360 </span> <span class="subxS2Comment"># . . call</span> -<span id="L361" class="LineNr">361 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L362" class="LineNr">362 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L363" class="LineNr">363 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L364" class="LineNr">364 </span> <span class="subxS1Comment"># . write(_test-stream, "def")</span> -<span id="L365" class="LineNr">365 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L366" class="LineNr">366 </span> 68/push <span class="Constant">"def"</span>/imm32 -<span id="L367" class="LineNr">367 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L368" class="LineNr">368 </span> <span class="subxS2Comment"># . . call</span> -<span id="L369" class="LineNr">369 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L370" class="LineNr">370 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L371" class="LineNr">371 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L372" class="LineNr">372 </span> <span class="subxComment"># EAX = next-stream-line-equal?(_test-stream, "Abc")</span> -<span id="L373" class="LineNr">373 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L374" class="LineNr">374 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L375" class="LineNr">375 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L376" class="LineNr">376 </span> <span class="subxS2Comment"># . . call</span> -<span id="L377" class="LineNr">377 </span> e8/call <a href='058stream-equal.subx.html#L234'>next-stream-line-equal?</a>/disp32 -<span id="L378" class="LineNr">378 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L379" class="LineNr">379 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L380" class="LineNr">380 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L381" class="LineNr">381 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L382" class="LineNr">382 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-stops-at-newline"</span>/imm32 -<span id="L383" class="LineNr">383 </span> 68/push 1/imm32 -<span id="L384" class="LineNr">384 </span> 50/push-EAX -<span id="L385" class="LineNr">385 </span> <span class="subxS2Comment"># . . call</span> -<span id="L386" class="LineNr">386 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L387" class="LineNr">387 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L388" class="LineNr">388 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L389" class="LineNr">389 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L390" class="LineNr">390 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L391" class="LineNr">391 </span> 5d/pop-to-EBP -<span id="L392" class="LineNr">392 </span> c3/return -<span id="L393" class="LineNr">393 </span> -<span id="L394" class="LineNr">394 </span><span class="subxTest">test-next-stream-line-equal-stops-at-newline-2</span>: -<span id="L395" class="LineNr">395 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L396" class="LineNr">396 </span> 55/push-EBP -<span id="L397" class="LineNr">397 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L398" class="LineNr">398 </span> <span class="subxComment"># clear-stream(_test-stream)</span> -<span id="L399" class="LineNr">399 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L400" class="LineNr">400 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L401" class="LineNr">401 </span> <span class="subxS2Comment"># . . call</span> -<span id="L402" class="LineNr">402 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L403" class="LineNr">403 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L404" class="LineNr">404 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L405" class="LineNr">405 </span> <span class="subxComment"># write(_test-stream, "Abc\ndef")</span> -<span id="L406" class="LineNr">406 </span> <span class="subxS1Comment"># . write(_test-stream, "Abc")</span> -<span id="L407" class="LineNr">407 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L408" class="LineNr">408 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L409" class="LineNr">409 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L410" class="LineNr">410 </span> <span class="subxS2Comment"># . . call</span> -<span id="L411" class="LineNr">411 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L412" class="LineNr">412 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L413" class="LineNr">413 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L414" class="LineNr">414 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> -<span id="L415" class="LineNr">415 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L416" class="LineNr">416 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L417" class="LineNr">417 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L418" class="LineNr">418 </span> <span class="subxS2Comment"># . . call</span> -<span id="L419" class="LineNr">419 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L420" class="LineNr">420 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L421" class="LineNr">421 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L422" class="LineNr">422 </span> <span class="subxS1Comment"># . write(_test-stream, "def")</span> -<span id="L423" class="LineNr">423 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L424" class="LineNr">424 </span> 68/push <span class="Constant">"def"</span>/imm32 -<span id="L425" class="LineNr">425 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L426" class="LineNr">426 </span> <span class="subxS2Comment"># . . call</span> -<span id="L427" class="LineNr">427 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L428" class="LineNr">428 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L429" class="LineNr">429 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L430" class="LineNr">430 </span> <span class="subxComment"># EAX = next-stream-line-equal?(_test-stream, "def")</span> -<span id="L431" class="LineNr">431 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L432" class="LineNr">432 </span> 68/push <span class="Constant">"def"</span>/imm32 -<span id="L433" class="LineNr">433 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L434" class="LineNr">434 </span> <span class="subxS2Comment"># . . call</span> -<span id="L435" class="LineNr">435 </span> e8/call <a href='058stream-equal.subx.html#L234'>next-stream-line-equal?</a>/disp32 -<span id="L436" class="LineNr">436 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L437" class="LineNr">437 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L438" class="LineNr">438 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L439" class="LineNr">439 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L440" class="LineNr">440 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-stops-at-newline-2"</span>/imm32 -<span id="L441" class="LineNr">441 </span> 68/push 0/imm32 -<span id="L442" class="LineNr">442 </span> 50/push-EAX -<span id="L443" class="LineNr">443 </span> <span class="subxS2Comment"># . . call</span> -<span id="L444" class="LineNr">444 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L445" class="LineNr">445 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L446" class="LineNr">446 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L447" class="LineNr">447 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L448" class="LineNr">448 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L449" class="LineNr">449 </span> 5d/pop-to-EBP -<span id="L450" class="LineNr">450 </span> c3/return -<span id="L451" class="LineNr">451 </span> -<span id="L452" class="LineNr">452 </span><span class="subxTest">test-next-stream-line-equal-skips-newline</span>: -<span id="L453" class="LineNr">453 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L454" class="LineNr">454 </span> 55/push-EBP -<span id="L455" class="LineNr">455 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L456" class="LineNr">456 </span> <span class="subxComment"># clear-stream(_test-stream)</span> -<span id="L457" class="LineNr">457 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L458" class="LineNr">458 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L459" class="LineNr">459 </span> <span class="subxS2Comment"># . . call</span> -<span id="L460" class="LineNr">460 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L461" class="LineNr">461 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L462" class="LineNr">462 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L463" class="LineNr">463 </span> <span class="subxComment"># write(_test-stream, "Abc\ndef\n")</span> -<span id="L464" class="LineNr">464 </span> <span class="subxS1Comment"># . write(_test-stream, "Abc")</span> -<span id="L465" class="LineNr">465 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L466" class="LineNr">466 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L467" class="LineNr">467 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L468" class="LineNr">468 </span> <span class="subxS2Comment"># . . call</span> -<span id="L469" class="LineNr">469 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L470" class="LineNr">470 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L471" class="LineNr">471 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L472" class="LineNr">472 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> -<span id="L473" class="LineNr">473 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L474" class="LineNr">474 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L475" class="LineNr">475 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L476" class="LineNr">476 </span> <span class="subxS2Comment"># . . call</span> -<span id="L477" class="LineNr">477 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L478" class="LineNr">478 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L479" class="LineNr">479 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L480" class="LineNr">480 </span> <span class="subxS1Comment"># . write(_test-stream, "def")</span> -<span id="L481" class="LineNr">481 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L482" class="LineNr">482 </span> 68/push <span class="Constant">"def"</span>/imm32 -<span id="L483" class="LineNr">483 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L484" class="LineNr">484 </span> <span class="subxS2Comment"># . . call</span> -<span id="L485" class="LineNr">485 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L486" class="LineNr">486 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L487" class="LineNr">487 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L488" class="LineNr">488 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> -<span id="L489" class="LineNr">489 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L490" class="LineNr">490 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L491" class="LineNr">491 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L492" class="LineNr">492 </span> <span class="subxS2Comment"># . . call</span> -<span id="L493" class="LineNr">493 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L494" class="LineNr">494 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L495" class="LineNr">495 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L496" class="LineNr">496 </span> <span class="subxComment"># next-stream-line-equal?(_test-stream, "Abc")</span> -<span id="L497" class="LineNr">497 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L498" class="LineNr">498 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L499" class="LineNr">499 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L500" class="LineNr">500 </span> <span class="subxS2Comment"># . . call</span> -<span id="L501" class="LineNr">501 </span> e8/call <a href='058stream-equal.subx.html#L234'>next-stream-line-equal?</a>/disp32 -<span id="L502" class="LineNr">502 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L503" class="LineNr">503 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L504" class="LineNr">504 </span> <span class="subxComment"># EAX = next-stream-line-equal?(_test-stream, "def")</span> -<span id="L505" class="LineNr">505 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L506" class="LineNr">506 </span> 68/push <span class="Constant">"def"</span>/imm32 -<span id="L507" class="LineNr">507 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L508" class="LineNr">508 </span> <span class="subxS2Comment"># . . call</span> -<span id="L509" class="LineNr">509 </span> e8/call <a href='058stream-equal.subx.html#L234'>next-stream-line-equal?</a>/disp32 -<span id="L510" class="LineNr">510 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L511" class="LineNr">511 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L512" class="LineNr">512 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L513" class="LineNr">513 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L514" class="LineNr">514 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-skips-newline"</span>/imm32 -<span id="L515" class="LineNr">515 </span> 68/push 1/imm32 -<span id="L516" class="LineNr">516 </span> 50/push-EAX -<span id="L517" class="LineNr">517 </span> <span class="subxS2Comment"># . . call</span> -<span id="L518" class="LineNr">518 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L519" class="LineNr">519 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L520" class="LineNr">520 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L521" class="LineNr">521 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L522" class="LineNr">522 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L523" class="LineNr">523 </span> 5d/pop-to-EBP -<span id="L524" class="LineNr">524 </span> c3/return -<span id="L525" class="LineNr">525 </span> -<span id="L526" class="LineNr">526 </span><span class="subxTest">test-next-stream-line-equal-handles-final-line</span>: -<span id="L527" class="LineNr">527 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L528" class="LineNr">528 </span> 55/push-EBP -<span id="L529" class="LineNr">529 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L530" class="LineNr">530 </span> <span class="subxComment"># clear-stream(_test-stream)</span> -<span id="L531" class="LineNr">531 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L532" class="LineNr">532 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L533" class="LineNr">533 </span> <span class="subxS2Comment"># . . call</span> -<span id="L534" class="LineNr">534 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L535" class="LineNr">535 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L536" class="LineNr">536 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L537" class="LineNr">537 </span> <span class="subxComment"># write(_test-stream, "Abc\ndef")</span> -<span id="L538" class="LineNr">538 </span> <span class="subxS1Comment"># . write(_test-stream, "Abc")</span> -<span id="L539" class="LineNr">539 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L540" class="LineNr">540 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L541" class="LineNr">541 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L542" class="LineNr">542 </span> <span class="subxS2Comment"># . . call</span> -<span id="L543" class="LineNr">543 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L544" class="LineNr">544 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L545" class="LineNr">545 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L546" class="LineNr">546 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> -<span id="L547" class="LineNr">547 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L548" class="LineNr">548 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L549" class="LineNr">549 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L550" class="LineNr">550 </span> <span class="subxS2Comment"># . . call</span> -<span id="L551" class="LineNr">551 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L552" class="LineNr">552 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L553" class="LineNr">553 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L554" class="LineNr">554 </span> <span class="subxS1Comment"># . write(_test-stream, "def")</span> -<span id="L555" class="LineNr">555 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L556" class="LineNr">556 </span> 68/push <span class="Constant">"def"</span>/imm32 -<span id="L557" class="LineNr">557 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L558" class="LineNr">558 </span> <span class="subxS2Comment"># . . call</span> -<span id="L559" class="LineNr">559 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L560" class="LineNr">560 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L561" class="LineNr">561 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L562" class="LineNr">562 </span> <span class="subxComment"># next-stream-line-equal?(_test-stream, "Abc")</span> -<span id="L563" class="LineNr">563 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L564" class="LineNr">564 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L565" class="LineNr">565 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L566" class="LineNr">566 </span> <span class="subxS2Comment"># . . call</span> -<span id="L567" class="LineNr">567 </span> e8/call <a href='058stream-equal.subx.html#L234'>next-stream-line-equal?</a>/disp32 -<span id="L568" class="LineNr">568 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L569" class="LineNr">569 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L570" class="LineNr">570 </span> <span class="subxComment"># EAX = next-stream-line-equal?(_test-stream, "def")</span> -<span id="L571" class="LineNr">571 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L572" class="LineNr">572 </span> 68/push <span class="Constant">"def"</span>/imm32 -<span id="L573" class="LineNr">573 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L574" class="LineNr">574 </span> <span class="subxS2Comment"># . . call</span> -<span id="L575" class="LineNr">575 </span> e8/call <a href='058stream-equal.subx.html#L234'>next-stream-line-equal?</a>/disp32 -<span id="L576" class="LineNr">576 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L577" class="LineNr">577 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L578" class="LineNr">578 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L579" class="LineNr">579 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L580" class="LineNr">580 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-skips-newline"</span>/imm32 -<span id="L581" class="LineNr">581 </span> 68/push 1/imm32 -<span id="L582" class="LineNr">582 </span> 50/push-EAX -<span id="L583" class="LineNr">583 </span> <span class="subxS2Comment"># . . call</span> -<span id="L584" class="LineNr">584 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L585" class="LineNr">585 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L586" class="LineNr">586 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L587" class="LineNr">587 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L588" class="LineNr">588 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L589" class="LineNr">589 </span> 5d/pop-to-EBP -<span id="L590" class="LineNr">590 </span> c3/return -<span id="L591" class="LineNr">591 </span> -<span id="L592" class="LineNr">592 </span><span class="subxTest">test-next-stream-line-equal-always-fails-after-eof</span>: -<span id="L593" class="LineNr">593 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L594" class="LineNr">594 </span> 55/push-EBP -<span id="L595" class="LineNr">595 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L596" class="LineNr">596 </span> <span class="subxComment"># clear-stream(_test-stream)</span> -<span id="L597" class="LineNr">597 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L598" class="LineNr">598 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L599" class="LineNr">599 </span> <span class="subxS2Comment"># . . call</span> -<span id="L600" class="LineNr">600 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L601" class="LineNr">601 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L602" class="LineNr">602 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L603" class="LineNr">603 </span> <span class="subxComment"># write nothing</span> -<span id="L604" class="LineNr">604 </span> <span class="subxComment"># EAX = next-stream-line-equal?(_test-stream, "")</span> -<span id="L605" class="LineNr">605 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L606" class="LineNr">606 </span> 68/push <span class="Constant">""</span>/imm32 -<span id="L607" class="LineNr">607 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L608" class="LineNr">608 </span> <span class="subxS2Comment"># . . call</span> -<span id="L609" class="LineNr">609 </span> e8/call <a href='058stream-equal.subx.html#L234'>next-stream-line-equal?</a>/disp32 -<span id="L610" class="LineNr">610 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L611" class="LineNr">611 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L612" class="LineNr">612 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L613" class="LineNr">613 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L614" class="LineNr">614 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-always-fails-after-eof"</span>/imm32 -<span id="L615" class="LineNr">615 </span> 68/push 1/imm32 -<span id="L616" class="LineNr">616 </span> 50/push-EAX -<span id="L617" class="LineNr">617 </span> <span class="subxS2Comment"># . . call</span> -<span id="L618" class="LineNr">618 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L619" class="LineNr">619 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L620" class="LineNr">620 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L621" class="LineNr">621 </span> <span class="subxComment"># EAX = next-stream-line-equal?(_test-stream, "")</span> -<span id="L622" class="LineNr">622 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L623" class="LineNr">623 </span> 68/push <span class="Constant">""</span>/imm32 -<span id="L624" class="LineNr">624 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L625" class="LineNr">625 </span> <span class="subxS2Comment"># . . call</span> -<span id="L626" class="LineNr">626 </span> e8/call <a href='058stream-equal.subx.html#L234'>next-stream-line-equal?</a>/disp32 -<span id="L627" class="LineNr">627 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L628" class="LineNr">628 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L629" class="LineNr">629 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L630" class="LineNr">630 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L631" class="LineNr">631 </span> 68/push <span class="Constant">"F - <a href='058stream-equal.subx.html#L592'>test-next-stream-line-equal-always-fails-after-eof</a>/2"</span>/imm32 -<span id="L632" class="LineNr">632 </span> 68/push 1/imm32 -<span id="L633" class="LineNr">633 </span> 50/push-EAX -<span id="L634" class="LineNr">634 </span> <span class="subxS2Comment"># . . call</span> -<span id="L635" class="LineNr">635 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L636" class="LineNr">636 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L637" class="LineNr">637 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L638" class="LineNr">638 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L639" class="LineNr">639 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L640" class="LineNr">640 </span> 5d/pop-to-EBP -<span id="L641" class="LineNr">641 </span> c3/return -<span id="L642" class="LineNr">642 </span> -<span id="L643" class="LineNr">643 </span><span class="subxComment"># helper for later tests</span> -<span id="L644" class="LineNr">644 </span><span class="subxFunction">check-next-stream-line-equal</span>: -<span id="L645" class="LineNr">645 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L646" class="LineNr">646 </span> 55/push-EBP -<span id="L647" class="LineNr">647 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L648" class="LineNr">648 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L649" class="LineNr">649 </span> 50/push-EAX -<span id="L650" class="LineNr">650 </span> <span class="subxComment"># EAX = next-stream-line-equal?(f, s)</span> -<span id="L651" class="LineNr">651 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L652" class="LineNr">652 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L653" class="LineNr">653 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L654" class="LineNr">654 </span> <span class="subxS2Comment"># . . call</span> -<span id="L655" class="LineNr">655 </span> e8/call <a href='058stream-equal.subx.html#L234'>next-stream-line-equal?</a>/disp32 -<span id="L656" class="LineNr">656 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L657" class="LineNr">657 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L658" class="LineNr">658 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L659" class="LineNr">659 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L660" class="LineNr">660 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L661" class="LineNr">661 </span> 68/push 1/imm32 -<span id="L662" class="LineNr">662 </span> 50/push-EAX -<span id="L663" class="LineNr">663 </span> <span class="subxS2Comment"># . . call</span> -<span id="L664" class="LineNr">664 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L665" class="LineNr">665 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L666" class="LineNr">666 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L667" class="LineNr">667 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L668" class="LineNr">668 </span> 58/pop-to-EAX -<span id="L669" class="LineNr">669 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L670" class="LineNr">670 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L671" class="LineNr">671 </span> 5d/pop-to-EBP -<span id="L672" class="LineNr">672 </span> c3/return +<span id="L10" class="LineNr"> 10 </span><span class="CommentedCode">#? # syscall(exit, Num-test-failures)</span> +<span id="L11" class="LineNr"> 11 </span><span class="CommentedCode">#? 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX</span> +<span id="L12" class="LineNr"> 12 </span><span class="CommentedCode">#? b8/copy-to-EAX 1/imm32/exit</span> +<span id="L13" class="LineNr"> 13 </span><span class="CommentedCode">#? cd/syscall 0x80/imm8</span> +<span id="L14" class="LineNr"> 14 </span> +<span id="L15" class="LineNr"> 15 </span><span class="subxComment"># compare all the data in a stream (ignoring the read pointer)</span> +<span id="L16" class="LineNr"> 16 </span><span class="subxFunction">stream-data-equal?</span>: <span class="subxComment"># f : (address stream), s : (address string) -> EAX : boolean</span> +<span id="L17" class="LineNr"> 17 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L18" class="LineNr"> 18 </span> 55/push-EBP +<span id="L19" class="LineNr"> 19 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L20" class="LineNr"> 20 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L21" class="LineNr"> 21 </span> 51/push-ECX +<span id="L22" class="LineNr"> 22 </span> 52/push-EDX +<span id="L23" class="LineNr"> 23 </span> 56/push-ESI +<span id="L24" class="LineNr"> 24 </span> 57/push-EDI +<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># ESI = f</span> +<span id="L26" class="LineNr"> 26 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># max/EDX = f->data + f->write</span> +<span id="L28" class="LineNr"> 28 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EAX</span> +<span id="L29" class="LineNr"> 29 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to EDX</span> +<span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># currf/ESI = f->data</span> +<span id="L31" class="LineNr"> 31 </span> 81 0/subop/add 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESI</span> +<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># EDI = s</span> +<span id="L33" class="LineNr"> 33 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> +<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># if (f->write != s->length) return false</span> +<span id="L35" class="LineNr"> 35 </span> 39/compare 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *EDI and EAX</span> +<span id="L36" class="LineNr"> 36 </span> 75/jump-if-not-equal $stream-data-equal?:false/disp8 +<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># currs/EDI = s->data</span> +<span id="L38" class="LineNr"> 38 </span> 81 0/subop/add 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to EDI</span> +<span id="L39" class="LineNr"> 39 </span> <span class="subxComment"># EAX = ECX = 0</span> +<span id="L40" class="LineNr"> 40 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L41" class="LineNr"> 41 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> +<span id="L42" class="LineNr"> 42 </span><span class="Constant">$stream-data-equal?:loop</span>: +<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># if (curr >= max) return true</span> +<span id="L44" class="LineNr"> 44 </span> 39/compare 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ESI with EDX</span> +<span id="L45" class="LineNr"> 45 </span> 7d/jump-if-greater-or-equal $stream-data-equal?:true/disp8 +<span id="L46" class="LineNr"> 46 </span> <span class="subxComment"># AL = *currs</span> +<span id="L47" class="LineNr"> 47 </span> 8a/copy-byte 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ESI to AL</span> +<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># CL = *curr</span> +<span id="L49" class="LineNr"> 49 </span> 8a/copy-byte 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/CL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EDI to CL</span> +<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># if (EAX != ECX) return false</span> +<span id="L51" class="LineNr"> 51 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and ECX</span> +<span id="L52" class="LineNr"> 52 </span> 75/jump-if-not-equal $stream-data-equal?:false/disp8 +<span id="L53" class="LineNr"> 53 </span> <span class="subxComment"># ++f</span> +<span id="L54" class="LineNr"> 54 </span> 46/increment-ESI +<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># ++curr</span> +<span id="L56" class="LineNr"> 56 </span> 47/increment-EDI +<span id="L57" class="LineNr"> 57 </span> eb/jump $stream-data-equal?:loop/disp8 +<span id="L58" class="LineNr"> 58 </span><span class="Constant">$stream-data-equal?:false</span>: +<span id="L59" class="LineNr"> 59 </span> b8/copy-to-EAX 0/imm32 +<span id="L60" class="LineNr"> 60 </span> eb/jump $stream-data-equal?:end/disp8 +<span id="L61" class="LineNr"> 61 </span><span class="Constant">$stream-data-equal?:true</span>: +<span id="L62" class="LineNr"> 62 </span> b8/copy-to-EAX 1/imm32 +<span id="L63" class="LineNr"> 63 </span><span class="Constant">$stream-data-equal?:end</span>: +<span id="L64" class="LineNr"> 64 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L65" class="LineNr"> 65 </span> 5f/pop-to-EDI +<span id="L66" class="LineNr"> 66 </span> 5e/pop-to-ESI +<span id="L67" class="LineNr"> 67 </span> 5a/pop-to-EDX +<span id="L68" class="LineNr"> 68 </span> 59/pop-to-ECX +<span id="L69" class="LineNr"> 69 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L70" class="LineNr"> 70 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L71" class="LineNr"> 71 </span> 5d/pop-to-EBP +<span id="L72" class="LineNr"> 72 </span> c3/return +<span id="L73" class="LineNr"> 73 </span> +<span id="L74" class="LineNr"> 74 </span><span class="subxTest">test-stream-data-equal</span>: +<span id="L75" class="LineNr"> 75 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L76" class="LineNr"> 76 </span> 55/push-EBP +<span id="L77" class="LineNr"> 77 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L79" class="LineNr"> 79 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L80" class="LineNr"> 80 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L81" class="LineNr"> 81 </span> <span class="subxS2Comment"># . . call</span> +<span id="L82" class="LineNr"> 82 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L83" class="LineNr"> 83 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L84" class="LineNr"> 84 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L85" class="LineNr"> 85 </span> <span class="subxComment"># write(_test-stream, "Abc")</span> +<span id="L86" class="LineNr"> 86 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L87" class="LineNr"> 87 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L88" class="LineNr"> 88 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L89" class="LineNr"> 89 </span> <span class="subxS2Comment"># . . call</span> +<span id="L90" class="LineNr"> 90 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L91" class="LineNr"> 91 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L92" class="LineNr"> 92 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># EAX = stream-data-equal?(_test-stream, "Abc")</span> +<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L95" class="LineNr"> 95 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L96" class="LineNr"> 96 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L97" class="LineNr"> 97 </span> <span class="subxS2Comment"># . . call</span> +<span id="L98" class="LineNr"> 98 </span> e8/call <a href='058stream-equal.subx.html#L16'>stream-data-equal?</a>/disp32 +<span id="L99" class="LineNr"> 99 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L100" class="LineNr">100 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L101" class="LineNr">101 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L102" class="LineNr">102 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L103" class="LineNr">103 </span> 68/push <span class="Constant">"F - test-stream-data-equal"</span>/imm32 +<span id="L104" class="LineNr">104 </span> 68/push 1/imm32 +<span id="L105" class="LineNr">105 </span> 50/push-EAX +<span id="L106" class="LineNr">106 </span> <span class="subxS2Comment"># . . call</span> +<span id="L107" class="LineNr">107 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L108" class="LineNr">108 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L109" class="LineNr">109 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L110" class="LineNr">110 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L111" class="LineNr">111 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L112" class="LineNr">112 </span> 5d/pop-to-EBP +<span id="L113" class="LineNr">113 </span> c3/return +<span id="L114" class="LineNr">114 </span> +<span id="L115" class="LineNr">115 </span><span class="subxTest">test-stream-data-equal-2</span>: +<span id="L116" class="LineNr">116 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L117" class="LineNr">117 </span> 55/push-EBP +<span id="L118" class="LineNr">118 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L119" class="LineNr">119 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L120" class="LineNr">120 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L121" class="LineNr">121 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L122" class="LineNr">122 </span> <span class="subxS2Comment"># . . call</span> +<span id="L123" class="LineNr">123 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L125" class="LineNr">125 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L126" class="LineNr">126 </span> <span class="subxComment"># write(_test-stream, "Abc")</span> +<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L128" class="LineNr">128 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L129" class="LineNr">129 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L130" class="LineNr">130 </span> <span class="subxS2Comment"># . . call</span> +<span id="L131" class="LineNr">131 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L133" class="LineNr">133 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L134" class="LineNr">134 </span> <span class="subxComment"># EAX = stream-data-equal?(_test-stream, "Abd")</span> +<span id="L135" class="LineNr">135 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L136" class="LineNr">136 </span> 68/push <span class="Constant">"Abd"</span>/imm32 +<span id="L137" class="LineNr">137 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . call</span> +<span id="L139" class="LineNr">139 </span> e8/call <a href='058stream-equal.subx.html#L16'>stream-data-equal?</a>/disp32 +<span id="L140" class="LineNr">140 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L141" class="LineNr">141 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L142" class="LineNr">142 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L143" class="LineNr">143 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L144" class="LineNr">144 </span> 68/push <span class="Constant">"F - test-stream-data-equal-2"</span>/imm32 +<span id="L145" class="LineNr">145 </span> 68/push 0/imm32 +<span id="L146" class="LineNr">146 </span> 50/push-EAX +<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . call</span> +<span id="L148" class="LineNr">148 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L149" class="LineNr">149 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L150" class="LineNr">150 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L151" class="LineNr">151 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L152" class="LineNr">152 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L153" class="LineNr">153 </span> 5d/pop-to-EBP +<span id="L154" class="LineNr">154 </span> c3/return +<span id="L155" class="LineNr">155 </span> +<span id="L156" class="LineNr">156 </span><span class="subxTest">test-stream-data-equal-length-check</span>: +<span id="L157" class="LineNr">157 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L158" class="LineNr">158 </span> 55/push-EBP +<span id="L159" class="LineNr">159 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L160" class="LineNr">160 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L161" class="LineNr">161 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L162" class="LineNr">162 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L163" class="LineNr">163 </span> <span class="subxS2Comment"># . . call</span> +<span id="L164" class="LineNr">164 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L166" class="LineNr">166 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L167" class="LineNr">167 </span> <span class="subxComment"># write(_test-stream, "Abc")</span> +<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L169" class="LineNr">169 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L170" class="LineNr">170 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L171" class="LineNr">171 </span> <span class="subxS2Comment"># . . call</span> +<span id="L172" class="LineNr">172 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L173" class="LineNr">173 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L174" class="LineNr">174 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L175" class="LineNr">175 </span> <span class="subxComment"># EAX = stream-data-equal?(_test-stream, "Abcd")</span> +<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L177" class="LineNr">177 </span> 68/push <span class="Constant">"Abcd"</span>/imm32 +<span id="L178" class="LineNr">178 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L179" class="LineNr">179 </span> <span class="subxS2Comment"># . . call</span> +<span id="L180" class="LineNr">180 </span> e8/call <a href='058stream-equal.subx.html#L16'>stream-data-equal?</a>/disp32 +<span id="L181" class="LineNr">181 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L182" class="LineNr">182 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L183" class="LineNr">183 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L185" class="LineNr">185 </span> 68/push <span class="Constant">"F - test-stream-data-equal-length-check"</span>/imm32 +<span id="L186" class="LineNr">186 </span> 68/push 0/imm32 +<span id="L187" class="LineNr">187 </span> 50/push-EAX +<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . call</span> +<span id="L189" class="LineNr">189 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L190" class="LineNr">190 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L191" class="LineNr">191 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L192" class="LineNr">192 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L193" class="LineNr">193 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L194" class="LineNr">194 </span> 5d/pop-to-EBP +<span id="L195" class="LineNr">195 </span> c3/return +<span id="L196" class="LineNr">196 </span> +<span id="L197" class="LineNr">197 </span><span class="subxComment"># helper for later tests</span> +<span id="L198" class="LineNr">198 </span><span class="subxFunction">check-stream-equal</span>: <span class="subxComment"># f : (address stream), s : (address string), msg : (address string)</span> +<span id="L199" class="LineNr">199 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L200" class="LineNr">200 </span> 55/push-EBP +<span id="L201" class="LineNr">201 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L202" class="LineNr">202 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L203" class="LineNr">203 </span> 50/push-EAX +<span id="L204" class="LineNr">204 </span> <span class="subxComment"># EAX = stream-data-equal?(f, s)</span> +<span id="L205" class="LineNr">205 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L206" class="LineNr">206 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L207" class="LineNr">207 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L208" class="LineNr">208 </span> <span class="subxS2Comment"># . . call</span> +<span id="L209" class="LineNr">209 </span> e8/call <a href='058stream-equal.subx.html#L16'>stream-data-equal?</a>/disp32 +<span id="L210" class="LineNr">210 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L211" class="LineNr">211 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L212" class="LineNr">212 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L213" class="LineNr">213 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L214" class="LineNr">214 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L215" class="LineNr">215 </span> 68/push 1/imm32 +<span id="L216" class="LineNr">216 </span> 50/push-EAX +<span id="L217" class="LineNr">217 </span> <span class="subxS2Comment"># . . call</span> +<span id="L218" class="LineNr">218 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L219" class="LineNr">219 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L220" class="LineNr">220 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L221" class="LineNr">221 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L222" class="LineNr">222 </span> 58/pop-to-EAX +<span id="L223" class="LineNr">223 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L224" class="LineNr">224 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L225" class="LineNr">225 </span> 5d/pop-to-EBP +<span id="L226" class="LineNr">226 </span> c3/return +<span id="L227" class="LineNr">227 </span> +<span id="L228" class="LineNr">228 </span><span class="subxComment"># scan the next line until newline starting from f->read and compare it with</span> +<span id="L229" class="LineNr">229 </span><span class="subxComment"># 's' (ignoring the trailing newline)</span> +<span id="L230" class="LineNr">230 </span><span class="subxComment"># on success, set f->read to after the next newline</span> +<span id="L231" class="LineNr">231 </span><span class="subxComment"># on failure, leave f->read unmodified</span> +<span id="L232" class="LineNr">232 </span><span class="subxComment"># this function is usually used only in tests, so we repeatedly write f->read</span> +<span id="L233" class="LineNr">233 </span><span class="subxFunction">next-stream-line-equal?</span>: <span class="subxComment"># f : (address stream), s : (address string) -> EAX : boolean</span> +<span id="L234" class="LineNr">234 </span> <span class="subxComment"># pseudocode:</span> +<span id="L235" class="LineNr">235 </span> <span class="subxComment"># currf = f->read # bound: f->write</span> +<span id="L236" class="LineNr">236 </span> <span class="subxComment"># currs = 0 # bound : s->length</span> +<span id="L237" class="LineNr">237 </span> <span class="subxComment"># while true:</span> +<span id="L238" class="LineNr">238 </span> <span class="subxComment"># if (currf >= f->write)</span> +<span id="L239" class="LineNr">239 </span> <span class="subxComment"># return currs >= s->length</span> +<span id="L240" class="LineNr">240 </span> <span class="subxComment"># if (f[currf] == '\n')</span> +<span id="L241" class="LineNr">241 </span> <span class="subxComment"># ++currf</span> +<span id="L242" class="LineNr">242 </span> <span class="subxComment"># return currs >= s->length</span> +<span id="L243" class="LineNr">243 </span> <span class="subxComment"># if (currs >= s->length) return false # the current line of f still has data to match</span> +<span id="L244" class="LineNr">244 </span> <span class="subxComment"># if (f[currf] != s[currs]) return false</span> +<span id="L245" class="LineNr">245 </span> <span class="subxComment"># ++currf</span> +<span id="L246" class="LineNr">246 </span> <span class="subxComment"># ++currs</span> +<span id="L247" class="LineNr">247 </span> <span class="subxComment">#</span> +<span id="L248" class="LineNr">248 </span> <span class="subxComment"># collapsing the two branches that can return true:</span> +<span id="L249" class="LineNr">249 </span> <span class="subxComment"># currf = f->read # bound: f->write</span> +<span id="L250" class="LineNr">250 </span> <span class="subxComment"># currs = 0 # bound : s->length</span> +<span id="L251" class="LineNr">251 </span> <span class="subxComment"># while true:</span> +<span id="L252" class="LineNr">252 </span> <span class="subxComment"># if (currf >= f->write) break</span> +<span id="L253" class="LineNr">253 </span> <span class="subxComment"># if (f[currf] == '\n') break</span> +<span id="L254" class="LineNr">254 </span> <span class="subxComment"># if (currs >= s->length) return false # the current line of f still has data to match</span> +<span id="L255" class="LineNr">255 </span> <span class="subxComment"># if (f[currf] != s[currs]) return false</span> +<span id="L256" class="LineNr">256 </span> <span class="subxComment"># ++currf</span> +<span id="L257" class="LineNr">257 </span> <span class="subxComment"># ++currs</span> +<span id="L258" class="LineNr">258 </span> <span class="subxComment"># ++currf # skip '\n'</span> +<span id="L259" class="LineNr">259 </span> <span class="subxComment"># return currs >= s->length</span> +<span id="L260" class="LineNr">260 </span> <span class="subxComment"># Here the final `++currf` is sometimes unnecessary (if we're already at the end of the stream)</span> +<span id="L261" class="LineNr">261 </span> <span class="subxComment">#</span> +<span id="L262" class="LineNr">262 </span> <span class="subxComment"># registers:</span> +<span id="L263" class="LineNr">263 </span> <span class="subxComment"># f: ESI</span> +<span id="L264" class="LineNr">264 </span> <span class="subxComment"># s: EDI</span> +<span id="L265" class="LineNr">265 </span> <span class="subxComment"># currf: ECX</span> +<span id="L266" class="LineNr">266 </span> <span class="subxComment"># currs: EDX</span> +<span id="L267" class="LineNr">267 </span> <span class="subxComment"># f[currf]: EAX</span> +<span id="L268" class="LineNr">268 </span> <span class="subxComment"># s[currs]: EBX</span> +<span id="L269" class="LineNr">269 </span> <span class="subxComment">#</span> +<span id="L270" class="LineNr">270 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L271" class="LineNr">271 </span> 55/push-EBP +<span id="L272" class="LineNr">272 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L273" class="LineNr">273 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L274" class="LineNr">274 </span> 51/push-ECX +<span id="L275" class="LineNr">275 </span> 52/push-EDX +<span id="L276" class="LineNr">276 </span> 56/push-ESI +<span id="L277" class="LineNr">277 </span> 57/push-EDI +<span id="L278" class="LineNr">278 </span> <span class="subxComment"># ESI = f</span> +<span id="L279" class="LineNr">279 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L280" class="LineNr">280 </span> <span class="subxComment"># currf/ECX = f->read</span> +<span id="L281" class="LineNr">281 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> +<span id="L282" class="LineNr">282 </span> <span class="subxComment"># EDI = s</span> +<span id="L283" class="LineNr">283 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> +<span id="L284" class="LineNr">284 </span> <span class="subxComment"># currs/EDX = 0</span> +<span id="L285" class="LineNr">285 </span> 31/xor 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EDX</span> +<span id="L286" class="LineNr">286 </span> <span class="subxComment"># EAX = EBX = 0</span> +<span id="L287" class="LineNr">287 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L288" class="LineNr">288 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> +<span id="L289" class="LineNr">289 </span><span class="Constant">$next-stream-line-equal?:loop</span>: +<span id="L290" class="LineNr">290 </span> <span class="subxComment"># if (currf >= f->write) break</span> +<span id="L291" class="LineNr">291 </span> 3b/compare 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with *ESI</span> +<span id="L292" class="LineNr">292 </span> 7d/jump-if-greater-or-equal $next-stream-line-equal?:break/disp8 +<span id="L293" class="LineNr">293 </span> <span class="subxComment"># AL = *(f->data + f->read)</span> +<span id="L294" class="LineNr">294 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+12) to AL</span> +<span id="L295" class="LineNr">295 </span> <span class="subxComment"># if (EAX == '\n') break</span> +<span id="L296" class="LineNr">296 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xa/imm32/newline <span class="subxComment"># compare EAX</span> +<span id="L297" class="LineNr">297 </span> 74/jump-if-equal $next-stream-line-equal?:break/disp8 +<span id="L298" class="LineNr">298 </span> <span class="subxComment"># if (currs >= s->length) return false</span> +<span id="L299" class="LineNr">299 </span> 3b/compare 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDX with *EDI</span> +<span id="L300" class="LineNr">300 </span> 7d/jump-if-greater-or-equal $next-stream-line-equal?:false/disp8 +<span id="L301" class="LineNr">301 </span> <span class="subxComment"># BL = *(s->data + currs)</span> +<span id="L302" class="LineNr">302 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/EDI 2/index/EDX <span class="Normal"> . </span> 3/r32/BL 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(EDI+EDX+4) to BL</span> +<span id="L303" class="LineNr">303 </span> <span class="subxComment"># if (EAX != EBX) return false</span> +<span id="L304" class="LineNr">304 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and EBX</span> +<span id="L305" class="LineNr">305 </span> 75/jump-if-not-equal $next-stream-line-equal?:false/disp8 +<span id="L306" class="LineNr">306 </span> <span class="subxComment"># ++currf</span> +<span id="L307" class="LineNr">307 </span> 41/increment-ECX +<span id="L308" class="LineNr">308 </span> <span class="subxComment"># ++currs</span> +<span id="L309" class="LineNr">309 </span> 42/increment-EDX +<span id="L310" class="LineNr">310 </span> eb/jump $next-stream-line-equal?:loop/disp8 +<span id="L311" class="LineNr">311 </span><span class="Constant">$next-stream-line-equal?:break</span>: +<span id="L312" class="LineNr">312 </span> <span class="subxComment"># ++currf</span> +<span id="L313" class="LineNr">313 </span> 41/increment-ECX +<span id="L314" class="LineNr">314 </span> <span class="subxComment"># if (currs >= s->length) return true</span> +<span id="L315" class="LineNr">315 </span> 3b/compare 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDX with *EDI</span> +<span id="L316" class="LineNr">316 </span> 7c/jump-if-lesser $next-stream-line-equal?:false/disp8 +<span id="L317" class="LineNr">317 </span><span class="Constant">$next-stream-line-equal?:true</span>: +<span id="L318" class="LineNr">318 </span> b8/copy-to-EAX 1/imm32 +<span id="L319" class="LineNr">319 </span> <span class="subxComment"># persist f->read on success</span> +<span id="L320" class="LineNr">320 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(ESI+4)</span> +<span id="L321" class="LineNr">321 </span> eb/jump $next-stream-line-equal?:end/disp8 +<span id="L322" class="LineNr">322 </span><span class="Constant">$next-stream-line-equal?:false</span>: +<span id="L323" class="LineNr">323 </span> b8/copy-to-EAX 0/imm32 +<span id="L324" class="LineNr">324 </span><span class="Constant">$next-stream-line-equal?:end</span>: +<span id="L325" class="LineNr">325 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L326" class="LineNr">326 </span> 5f/pop-to-EDI +<span id="L327" class="LineNr">327 </span> 5e/pop-to-ESI +<span id="L328" class="LineNr">328 </span> 5a/pop-to-EDX +<span id="L329" class="LineNr">329 </span> 59/pop-to-ECX +<span id="L330" class="LineNr">330 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L331" class="LineNr">331 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L332" class="LineNr">332 </span> 5d/pop-to-EBP +<span id="L333" class="LineNr">333 </span> c3/return +<span id="L334" class="LineNr">334 </span> +<span id="L335" class="LineNr">335 </span><span class="subxTest">test-next-stream-line-equal-stops-at-newline</span>: +<span id="L336" class="LineNr">336 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L337" class="LineNr">337 </span> 55/push-EBP +<span id="L338" class="LineNr">338 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L339" class="LineNr">339 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L340" class="LineNr">340 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L341" class="LineNr">341 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L342" class="LineNr">342 </span> <span class="subxS2Comment"># . . call</span> +<span id="L343" class="LineNr">343 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L344" class="LineNr">344 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L345" class="LineNr">345 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L346" class="LineNr">346 </span> <span class="subxComment"># write(_test-stream, "Abc\ndef")</span> +<span id="L347" class="LineNr">347 </span> <span class="subxS1Comment"># . write(_test-stream, "Abc")</span> +<span id="L348" class="LineNr">348 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L349" class="LineNr">349 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L350" class="LineNr">350 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L351" class="LineNr">351 </span> <span class="subxS2Comment"># . . call</span> +<span id="L352" class="LineNr">352 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L353" class="LineNr">353 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L354" class="LineNr">354 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L355" class="LineNr">355 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> +<span id="L356" class="LineNr">356 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L357" class="LineNr">357 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L358" class="LineNr">358 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L359" class="LineNr">359 </span> <span class="subxS2Comment"># . . call</span> +<span id="L360" class="LineNr">360 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L361" class="LineNr">361 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L362" class="LineNr">362 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L363" class="LineNr">363 </span> <span class="subxS1Comment"># . write(_test-stream, "def")</span> +<span id="L364" class="LineNr">364 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L365" class="LineNr">365 </span> 68/push <span class="Constant">"def"</span>/imm32 +<span id="L366" class="LineNr">366 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L367" class="LineNr">367 </span> <span class="subxS2Comment"># . . call</span> +<span id="L368" class="LineNr">368 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L369" class="LineNr">369 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L370" class="LineNr">370 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L371" class="LineNr">371 </span> <span class="subxComment"># EAX = next-stream-line-equal?(_test-stream, "Abc")</span> +<span id="L372" class="LineNr">372 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L373" class="LineNr">373 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L374" class="LineNr">374 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L375" class="LineNr">375 </span> <span class="subxS2Comment"># . . call</span> +<span id="L376" class="LineNr">376 </span> e8/call <a href='058stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L377" class="LineNr">377 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L378" class="LineNr">378 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L379" class="LineNr">379 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L380" class="LineNr">380 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L381" class="LineNr">381 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-stops-at-newline"</span>/imm32 +<span id="L382" class="LineNr">382 </span> 68/push 1/imm32 +<span id="L383" class="LineNr">383 </span> 50/push-EAX +<span id="L384" class="LineNr">384 </span> <span class="subxS2Comment"># . . call</span> +<span id="L385" class="LineNr">385 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L386" class="LineNr">386 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L387" class="LineNr">387 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L388" class="LineNr">388 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L389" class="LineNr">389 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L390" class="LineNr">390 </span> 5d/pop-to-EBP +<span id="L391" class="LineNr">391 </span> c3/return +<span id="L392" class="LineNr">392 </span> +<span id="L393" class="LineNr">393 </span><span class="subxTest">test-next-stream-line-equal-stops-at-newline-2</span>: +<span id="L394" class="LineNr">394 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L395" class="LineNr">395 </span> 55/push-EBP +<span id="L396" class="LineNr">396 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L397" class="LineNr">397 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L398" class="LineNr">398 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L399" class="LineNr">399 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L400" class="LineNr">400 </span> <span class="subxS2Comment"># . . call</span> +<span id="L401" class="LineNr">401 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L402" class="LineNr">402 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L403" class="LineNr">403 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L404" class="LineNr">404 </span> <span class="subxComment"># write(_test-stream, "Abc\ndef")</span> +<span id="L405" class="LineNr">405 </span> <span class="subxS1Comment"># . write(_test-stream, "Abc")</span> +<span id="L406" class="LineNr">406 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L407" class="LineNr">407 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L408" class="LineNr">408 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L409" class="LineNr">409 </span> <span class="subxS2Comment"># . . call</span> +<span id="L410" class="LineNr">410 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L411" class="LineNr">411 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L412" class="LineNr">412 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L413" class="LineNr">413 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> +<span id="L414" class="LineNr">414 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L415" class="LineNr">415 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L416" class="LineNr">416 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L417" class="LineNr">417 </span> <span class="subxS2Comment"># . . call</span> +<span id="L418" class="LineNr">418 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L419" class="LineNr">419 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L420" class="LineNr">420 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L421" class="LineNr">421 </span> <span class="subxS1Comment"># . write(_test-stream, "def")</span> +<span id="L422" class="LineNr">422 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L423" class="LineNr">423 </span> 68/push <span class="Constant">"def"</span>/imm32 +<span id="L424" class="LineNr">424 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L425" class="LineNr">425 </span> <span class="subxS2Comment"># . . call</span> +<span id="L426" class="LineNr">426 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L427" class="LineNr">427 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L428" class="LineNr">428 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L429" class="LineNr">429 </span> <span class="subxComment"># EAX = next-stream-line-equal?(_test-stream, "def")</span> +<span id="L430" class="LineNr">430 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L431" class="LineNr">431 </span> 68/push <span class="Constant">"def"</span>/imm32 +<span id="L432" class="LineNr">432 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L433" class="LineNr">433 </span> <span class="subxS2Comment"># . . call</span> +<span id="L434" class="LineNr">434 </span> e8/call <a href='058stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L435" class="LineNr">435 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L436" class="LineNr">436 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L437" class="LineNr">437 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L438" class="LineNr">438 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L439" class="LineNr">439 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-stops-at-newline-2"</span>/imm32 +<span id="L440" class="LineNr">440 </span> 68/push 0/imm32 +<span id="L441" class="LineNr">441 </span> 50/push-EAX +<span id="L442" class="LineNr">442 </span> <span class="subxS2Comment"># . . call</span> +<span id="L443" class="LineNr">443 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L444" class="LineNr">444 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L445" class="LineNr">445 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L446" class="LineNr">446 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L447" class="LineNr">447 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L448" class="LineNr">448 </span> 5d/pop-to-EBP +<span id="L449" class="LineNr">449 </span> c3/return +<span id="L450" class="LineNr">450 </span> +<span id="L451" class="LineNr">451 </span><span class="subxTest">test-next-stream-line-equal-skips-newline</span>: +<span id="L452" class="LineNr">452 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L453" class="LineNr">453 </span> 55/push-EBP +<span id="L454" class="LineNr">454 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L455" class="LineNr">455 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L456" class="LineNr">456 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L457" class="LineNr">457 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L458" class="LineNr">458 </span> <span class="subxS2Comment"># . . call</span> +<span id="L459" class="LineNr">459 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L460" class="LineNr">460 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L461" class="LineNr">461 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L462" class="LineNr">462 </span> <span class="subxComment"># write(_test-stream, "Abc\ndef\n")</span> +<span id="L463" class="LineNr">463 </span> <span class="subxS1Comment"># . write(_test-stream, "Abc")</span> +<span id="L464" class="LineNr">464 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L465" class="LineNr">465 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L466" class="LineNr">466 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L467" class="LineNr">467 </span> <span class="subxS2Comment"># . . call</span> +<span id="L468" class="LineNr">468 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L469" class="LineNr">469 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L470" class="LineNr">470 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L471" class="LineNr">471 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> +<span id="L472" class="LineNr">472 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L473" class="LineNr">473 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L474" class="LineNr">474 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L475" class="LineNr">475 </span> <span class="subxS2Comment"># . . call</span> +<span id="L476" class="LineNr">476 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L477" class="LineNr">477 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L478" class="LineNr">478 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L479" class="LineNr">479 </span> <span class="subxS1Comment"># . write(_test-stream, "def")</span> +<span id="L480" class="LineNr">480 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L481" class="LineNr">481 </span> 68/push <span class="Constant">"def"</span>/imm32 +<span id="L482" class="LineNr">482 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L483" class="LineNr">483 </span> <span class="subxS2Comment"># . . call</span> +<span id="L484" class="LineNr">484 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L485" class="LineNr">485 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L486" class="LineNr">486 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L487" class="LineNr">487 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> +<span id="L488" class="LineNr">488 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L489" class="LineNr">489 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L490" class="LineNr">490 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L491" class="LineNr">491 </span> <span class="subxS2Comment"># . . call</span> +<span id="L492" class="LineNr">492 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L493" class="LineNr">493 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L494" class="LineNr">494 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L495" class="LineNr">495 </span> <span class="subxComment"># next-stream-line-equal?(_test-stream, "Abc")</span> +<span id="L496" class="LineNr">496 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L497" class="LineNr">497 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L498" class="LineNr">498 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L499" class="LineNr">499 </span> <span class="subxS2Comment"># . . call</span> +<span id="L500" class="LineNr">500 </span> e8/call <a href='058stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L501" class="LineNr">501 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L502" class="LineNr">502 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L503" class="LineNr">503 </span> <span class="subxComment"># EAX = next-stream-line-equal?(_test-stream, "def")</span> +<span id="L504" class="LineNr">504 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L505" class="LineNr">505 </span> 68/push <span class="Constant">"def"</span>/imm32 +<span id="L506" class="LineNr">506 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L507" class="LineNr">507 </span> <span class="subxS2Comment"># . . call</span> +<span id="L508" class="LineNr">508 </span> e8/call <a href='058stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L509" class="LineNr">509 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L510" class="LineNr">510 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L511" class="LineNr">511 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L512" class="LineNr">512 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L513" class="LineNr">513 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-skips-newline"</span>/imm32 +<span id="L514" class="LineNr">514 </span> 68/push 1/imm32 +<span id="L515" class="LineNr">515 </span> 50/push-EAX +<span id="L516" class="LineNr">516 </span> <span class="subxS2Comment"># . . call</span> +<span id="L517" class="LineNr">517 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L518" class="LineNr">518 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L519" class="LineNr">519 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L520" class="LineNr">520 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L521" class="LineNr">521 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L522" class="LineNr">522 </span> 5d/pop-to-EBP +<span id="L523" class="LineNr">523 </span> c3/return +<span id="L524" class="LineNr">524 </span> +<span id="L525" class="LineNr">525 </span><span class="subxTest">test-next-stream-line-equal-handles-final-line</span>: +<span id="L526" class="LineNr">526 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L527" class="LineNr">527 </span> 55/push-EBP +<span id="L528" class="LineNr">528 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L529" class="LineNr">529 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L530" class="LineNr">530 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L531" class="LineNr">531 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L532" class="LineNr">532 </span> <span class="subxS2Comment"># . . call</span> +<span id="L533" class="LineNr">533 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L534" class="LineNr">534 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L535" class="LineNr">535 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L536" class="LineNr">536 </span> <span class="subxComment"># write(_test-stream, "Abc\ndef")</span> +<span id="L537" class="LineNr">537 </span> <span class="subxS1Comment"># . write(_test-stream, "Abc")</span> +<span id="L538" class="LineNr">538 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L539" class="LineNr">539 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L540" class="LineNr">540 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L541" class="LineNr">541 </span> <span class="subxS2Comment"># . . call</span> +<span id="L542" class="LineNr">542 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L543" class="LineNr">543 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L544" class="LineNr">544 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L545" class="LineNr">545 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> +<span id="L546" class="LineNr">546 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L547" class="LineNr">547 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L548" class="LineNr">548 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L549" class="LineNr">549 </span> <span class="subxS2Comment"># . . call</span> +<span id="L550" class="LineNr">550 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L551" class="LineNr">551 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L552" class="LineNr">552 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L553" class="LineNr">553 </span> <span class="subxS1Comment"># . write(_test-stream, "def")</span> +<span id="L554" class="LineNr">554 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L555" class="LineNr">555 </span> 68/push <span class="Constant">"def"</span>/imm32 +<span id="L556" class="LineNr">556 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L557" class="LineNr">557 </span> <span class="subxS2Comment"># . . call</span> +<span id="L558" class="LineNr">558 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L559" class="LineNr">559 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L560" class="LineNr">560 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L561" class="LineNr">561 </span> <span class="subxComment"># next-stream-line-equal?(_test-stream, "Abc")</span> +<span id="L562" class="LineNr">562 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L563" class="LineNr">563 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L564" class="LineNr">564 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L565" class="LineNr">565 </span> <span class="subxS2Comment"># . . call</span> +<span id="L566" class="LineNr">566 </span> e8/call <a href='058stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L567" class="LineNr">567 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L568" class="LineNr">568 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L569" class="LineNr">569 </span> <span class="subxComment"># EAX = next-stream-line-equal?(_test-stream, "def")</span> +<span id="L570" class="LineNr">570 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L571" class="LineNr">571 </span> 68/push <span class="Constant">"def"</span>/imm32 +<span id="L572" class="LineNr">572 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L573" class="LineNr">573 </span> <span class="subxS2Comment"># . . call</span> +<span id="L574" class="LineNr">574 </span> e8/call <a href='058stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L575" class="LineNr">575 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L576" class="LineNr">576 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L577" class="LineNr">577 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L578" class="LineNr">578 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L579" class="LineNr">579 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-skips-newline"</span>/imm32 +<span id="L580" class="LineNr">580 </span> 68/push 1/imm32 +<span id="L581" class="LineNr">581 </span> 50/push-EAX +<span id="L582" class="LineNr">582 </span> <span class="subxS2Comment"># . . call</span> +<span id="L583" class="LineNr">583 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L584" class="LineNr">584 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L585" class="LineNr">585 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L586" class="LineNr">586 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L587" class="LineNr">587 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L588" class="LineNr">588 </span> 5d/pop-to-EBP +<span id="L589" class="LineNr">589 </span> c3/return +<span id="L590" class="LineNr">590 </span> +<span id="L591" class="LineNr">591 </span><span class="subxTest">test-next-stream-line-equal-always-fails-after-eof</span>: +<span id="L592" class="LineNr">592 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L593" class="LineNr">593 </span> 55/push-EBP +<span id="L594" class="LineNr">594 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L595" class="LineNr">595 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L596" class="LineNr">596 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L597" class="LineNr">597 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L598" class="LineNr">598 </span> <span class="subxS2Comment"># . . call</span> +<span id="L599" class="LineNr">599 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L600" class="LineNr">600 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L601" class="LineNr">601 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L602" class="LineNr">602 </span> <span class="subxComment"># write nothing</span> +<span id="L603" class="LineNr">603 </span> <span class="subxComment"># EAX = next-stream-line-equal?(_test-stream, "")</span> +<span id="L604" class="LineNr">604 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L605" class="LineNr">605 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L606" class="LineNr">606 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L607" class="LineNr">607 </span> <span class="subxS2Comment"># . . call</span> +<span id="L608" class="LineNr">608 </span> e8/call <a href='058stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L609" class="LineNr">609 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L610" class="LineNr">610 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L611" class="LineNr">611 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L612" class="LineNr">612 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L613" class="LineNr">613 </span> 68/push <span class="Constant">"F - test-next-stream-line-equal-always-fails-after-eof"</span>/imm32 +<span id="L614" class="LineNr">614 </span> 68/push 1/imm32 +<span id="L615" class="LineNr">615 </span> 50/push-EAX +<span id="L616" class="LineNr">616 </span> <span class="subxS2Comment"># . . call</span> +<span id="L617" class="LineNr">617 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L618" class="LineNr">618 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L619" class="LineNr">619 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L620" class="LineNr">620 </span> <span class="subxComment"># EAX = next-stream-line-equal?(_test-stream, "")</span> +<span id="L621" class="LineNr">621 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L622" class="LineNr">622 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L623" class="LineNr">623 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L624" class="LineNr">624 </span> <span class="subxS2Comment"># . . call</span> +<span id="L625" class="LineNr">625 </span> e8/call <a href='058stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L626" class="LineNr">626 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L627" class="LineNr">627 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L628" class="LineNr">628 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L629" class="LineNr">629 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L630" class="LineNr">630 </span> 68/push <span class="Constant">"F - <a href='058stream-equal.subx.html#L591'>test-next-stream-line-equal-always-fails-after-eof</a>/2"</span>/imm32 +<span id="L631" class="LineNr">631 </span> 68/push 1/imm32 +<span id="L632" class="LineNr">632 </span> 50/push-EAX +<span id="L633" class="LineNr">633 </span> <span class="subxS2Comment"># . . call</span> +<span id="L634" class="LineNr">634 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L635" class="LineNr">635 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L636" class="LineNr">636 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L637" class="LineNr">637 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L638" class="LineNr">638 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L639" class="LineNr">639 </span> 5d/pop-to-EBP +<span id="L640" class="LineNr">640 </span> c3/return +<span id="L641" class="LineNr">641 </span> +<span id="L642" class="LineNr">642 </span><span class="subxComment"># helper for later tests</span> +<span id="L643" class="LineNr">643 </span><span class="subxFunction">check-next-stream-line-equal</span>: +<span id="L644" class="LineNr">644 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L645" class="LineNr">645 </span> 55/push-EBP +<span id="L646" class="LineNr">646 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L647" class="LineNr">647 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L648" class="LineNr">648 </span> 50/push-EAX +<span id="L649" class="LineNr">649 </span> <span class="subxComment"># EAX = next-stream-line-equal?(f, s)</span> +<span id="L650" class="LineNr">650 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L651" class="LineNr">651 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L652" class="LineNr">652 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L653" class="LineNr">653 </span> <span class="subxS2Comment"># . . call</span> +<span id="L654" class="LineNr">654 </span> e8/call <a href='058stream-equal.subx.html#L233'>next-stream-line-equal?</a>/disp32 +<span id="L655" class="LineNr">655 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L656" class="LineNr">656 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L657" class="LineNr">657 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L658" class="LineNr">658 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L659" class="LineNr">659 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L660" class="LineNr">660 </span> 68/push 1/imm32 +<span id="L661" class="LineNr">661 </span> 50/push-EAX +<span id="L662" class="LineNr">662 </span> <span class="subxS2Comment"># . . call</span> +<span id="L663" class="LineNr">663 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L664" class="LineNr">664 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L665" class="LineNr">665 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L666" class="LineNr">666 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L667" class="LineNr">667 </span> 58/pop-to-EAX +<span id="L668" class="LineNr">668 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L669" class="LineNr">669 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L670" class="LineNr">670 </span> 5d/pop-to-EBP +<span id="L671" class="LineNr">671 </span> c3/return </pre> </body> </html> diff --git a/html/subx/059stop.subx.html b/html/subx/059stop.subx.html index 72e26dda..cebc1975 100644 --- a/html/subx/059stop.subx.html +++ b/html/subx/059stop.subx.html @@ -24,7 +24,6 @@ a { color:inherit; } .subxMinorFunction { color: #875f5f; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } .subxS2Comment { color: #8a8a8a; } -.SpecialChar { color: #d70000; } --> </style> @@ -99,181 +98,180 @@ if ('onhashchange' in window) { <span id="L37" class="LineNr"> 37 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L38" class="LineNr"> 38 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L39" class="LineNr"> 39 </span> -<span id="L40" class="LineNr"> 40 </span><span class="subxComment"># main:</span> -<span id="L41" class="LineNr"> 41 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L42" class="LineNr"> 42 </span><span class="CommentedCode">#? e8/call test-stop-skips-returns-on-exit/disp32</span> -<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L44" class="LineNr"> 44 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L45" class="LineNr"> 45 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L46" class="LineNr"> 46 </span> cd/syscall 0x80/imm8 -<span id="L47" class="LineNr"> 47 </span> -<span id="L48" class="LineNr"> 48 </span><span class="subxComment"># Configure an exit-descriptor for a call pushing 'nbytes' bytes of args to</span> -<span id="L49" class="LineNr"> 49 </span><span class="subxComment"># the stack.</span> -<span id="L50" class="LineNr"> 50 </span><span class="subxComment"># Ugly that we need to know the size of args, but so it goes.</span> -<span id="L51" class="LineNr"> 51 </span><span class="subxFunction">tailor-exit-descriptor</span>: <span class="subxComment"># ed : (address exit-descriptor), nbytes : int -> <void></span> -<span id="L52" class="LineNr"> 52 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L53" class="LineNr"> 53 </span> 55/push-EBP -<span id="L54" class="LineNr"> 54 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L55" class="LineNr"> 55 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L56" class="LineNr"> 56 </span> 50/push-EAX -<span id="L57" class="LineNr"> 57 </span> 51/push-ECX -<span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># EAX = nbytes</span> -<span id="L59" class="LineNr"> 59 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EAX</span> -<span id="L60" class="LineNr"> 60 </span> <span class="subxComment"># Let X be the value of ESP in the caller, before the call to tailor-exit-descriptor.</span> -<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># The return address for a call in the caller's body will be at:</span> -<span id="L62" class="LineNr"> 62 </span> <span class="subxComment"># X-8 if the caller takes 4 bytes of args for the exit-descriptor (add 4 bytes for the return address)</span> -<span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># X-12 if the caller takes 8 bytes of args</span> -<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># ..and so on</span> -<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># That's the value we need to return: X-nbytes-4</span> -<span id="L66" class="LineNr"> 66 </span> <span class="subxComment">#</span> -<span id="L67" class="LineNr"> 67 </span> <span class="subxComment"># However, we also need to account for the perturbance to ESP caused by the</span> -<span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># call to tailor-exit-descriptor. It pushes 8 bytes of args followed by 4</span> -<span id="L69" class="LineNr"> 69 </span> <span class="subxComment"># bytes for the return address and 4 bytes to push EBP above.</span> -<span id="L70" class="LineNr"> 70 </span> <span class="subxComment"># So EBP at this point is X-16.</span> -<span id="L71" class="LineNr"> 71 </span> <span class="subxComment">#</span> -<span id="L72" class="LineNr"> 72 </span> <span class="subxComment"># So the return address for the next call in the caller is:</span> -<span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># EBP+8 if the caller takes 4 bytes of args</span> -<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># EBP+4 if the caller takes 8 bytes of args</span> -<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># EBP if the caller takes 12 bytes of args</span> -<span id="L76" class="LineNr"> 76 </span> <span class="subxComment"># EBP-4 if the caller takes 16 bytes of args</span> -<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># ..and so on</span> -<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># That's EBP+12-nbytes.</span> -<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># option 1: 6 + 3 bytes</span> -<span id="L80" class="LineNr"> 80 </span><span class="CommentedCode">#? 2d/subtract 3/mod/direct 0/rm32/EAX . . . . . 8/imm32 # subtract from EAX</span> -<span id="L81" class="LineNr"> 81 </span><span class="CommentedCode">#? 8d/copy-address 0/mod/indirect 4/rm32/sib 5/base/EBP 0/index/EAX . 0/r32/EAX . . # copy EBP+EAX to EAX</span> -<span id="L82" class="LineNr"> 82 </span> <span class="subxComment"># option 2: 2 + 4 bytes</span> -<span id="L83" class="LineNr"> 83 </span> f7 3/subop/negate 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># negate EAX</span> -<span id="L84" class="LineNr"> 84 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 5/base/EBP 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EBP+EAX+12 to EAX</span> -<span id="L85" class="LineNr"> 85 </span> <span class="subxComment"># copy EAX to ed->target</span> -<span id="L86" class="LineNr"> 86 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> -<span id="L87" class="LineNr"> 87 </span> 89/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *ECX</span> -<span id="L88" class="LineNr"> 88 </span> <span class="subxComment"># initialize ed->value</span> -<span id="L89" class="LineNr"> 89 </span> c7 0/subop/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(ECX+4)</span> -<span id="L90" class="LineNr"> 90 </span><span class="Constant">$tailor-exit-descriptor:end</span>: -<span id="L91" class="LineNr"> 91 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L92" class="LineNr"> 92 </span> 59/pop-to-ECX -<span id="L93" class="LineNr"> 93 </span> 58/pop-to-EAX -<span id="L94" class="LineNr"> 94 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L95" class="LineNr"> 95 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L96" class="LineNr"> 96 </span> 5d/pop-to-EBP -<span id="L97" class="LineNr"> 97 </span> c3/return -<span id="L98" class="LineNr"> 98 </span> -<span id="L99" class="LineNr"> 99 </span><span class="subxFunction">stop</span>: <span class="subxComment"># ed : (address exit-descriptor), value : int</span> -<span id="L100" class="LineNr">100 </span> <span class="subxComment"># no prolog; one way or another, we're going to clobber registers</span> -<span id="L101" class="LineNr">101 </span> <span class="subxComment"># EAX = ed</span> -<span id="L102" class="LineNr">102 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESP+4) to EAX</span> -<span id="L103" class="LineNr">103 </span> <span class="subxComment"># if (ed->target == 0) really exit</span> -<span id="L104" class="LineNr">104 </span> 81 7/subop/compare 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare *EAX</span> -<span id="L105" class="LineNr">105 </span> 75/jump-if-not-equal $stop:fake/disp8 -<span id="L106" class="LineNr">106 </span> <span class="subxS1Comment"># . syscall(exit, value)</span> -<span id="L107" class="LineNr">107 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none <span class="Normal"> . </span> 3/r32/EBX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESP+8) to EBX</span> -<span id="L108" class="LineNr">108 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L109" class="LineNr">109 </span> cd/syscall 0x80/imm8 -<span id="L110" class="LineNr">110 </span><span class="Constant">$stop:fake</span>: -<span id="L111" class="LineNr">111 </span> <span class="subxComment"># otherwise:</span> -<span id="L112" class="LineNr">112 </span> <span class="subxComment"># ed->value = value+1</span> -<span id="L113" class="LineNr">113 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESP+8) to ECX</span> -<span id="L114" class="LineNr">114 </span> 41/inc-ECX -<span id="L115" class="LineNr">115 </span> 89/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(EAX+4)</span> -<span id="L116" class="LineNr">116 </span> <span class="subxComment"># perform a non-local jump to ed->target</span> -<span id="L117" class="LineNr">117 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ESP</span> -<span id="L118" class="LineNr">118 </span><span class="Constant">$stop:end</span>: -<span id="L119" class="LineNr">119 </span> c3/return <span class="subxComment"># doesn't return to caller</span> -<span id="L120" class="LineNr">120 </span> -<span id="L121" class="LineNr">121 </span><span class="subxTest">test-stop-skips-returns-on-exit</span>: -<span id="L122" class="LineNr">122 </span> <span class="subxComment"># This looks like the standard prolog, but is here for different reasons.</span> -<span id="L123" class="LineNr">123 </span> <span class="subxComment"># A function calling 'stop' can't rely on EBP persisting past the call.</span> -<span id="L124" class="LineNr">124 </span> <span class="subxComment">#</span> -<span id="L125" class="LineNr">125 </span> <span class="subxComment"># Use EBP here as a stable base to refer to locals and arguments from in the</span> -<span id="L126" class="LineNr">126 </span> <span class="subxComment"># presence of push/pop/call instructions.</span> -<span id="L127" class="LineNr">127 </span> <span class="subxComment"># *Don't* use EBP as a way to restore ESP.</span> -<span id="L128" class="LineNr">128 </span> 55/push-EBP -<span id="L129" class="LineNr">129 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L130" class="LineNr">130 </span> <span class="subxComment"># Make room for an exit descriptor on the stack. That's almost always the</span> -<span id="L131" class="LineNr">131 </span> <span class="subxComment"># right place for it, available only as long as it's legal to use. Once this</span> -<span id="L132" class="LineNr">132 </span> <span class="subxComment"># containing function returns we'll need a new exit descriptor.</span> -<span id="L133" class="LineNr">133 </span> <span class="subxComment"># var ed/EAX : (address exit-descriptor)</span> -<span id="L134" class="LineNr">134 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L135" class="LineNr">135 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> -<span id="L136" class="LineNr">136 </span> <span class="subxComment"># Size the exit-descriptor precisely for the next call below, to _test-stop-1.</span> -<span id="L137" class="LineNr">137 </span> <span class="subxComment"># tailor-exit-descriptor(ed, 4)</span> -<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L139" class="LineNr">139 </span> 68/push 4/imm32/nbytes-of-args-for-_test-stop-1 -<span id="L140" class="LineNr">140 </span> 50/push-EAX -<span id="L141" class="LineNr">141 </span> <span class="subxS2Comment"># . . call</span> -<span id="L142" class="LineNr">142 </span> e8/call <a href='059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L143" class="LineNr">143 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L144" class="LineNr">144 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L145" class="LineNr">145 </span> <span class="subxS1Comment"># . _test-stop-1(ed)</span> -<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L147" class="LineNr">147 </span> 50/push-EAX -<span id="L148" class="LineNr">148 </span> <span class="subxS2Comment"># . . call</span> -<span id="L149" class="LineNr">149 </span> e8/call <a href='059stop.subx.html#L170'>_test-stop-1</a>/disp32 -<span id="L150" class="LineNr">150 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L151" class="LineNr">151 </span> <span class="subxComment"># restore args</span> -<span id="L152" class="LineNr">152 </span> 58/pop-to-EAX -<span id="L153" class="LineNr">153 </span> <span class="subxComment"># check that _test-stop-1 tried to call exit(1)</span> -<span id="L154" class="LineNr">154 </span> <span class="subxComment"># check-ints-equal(ed->value, 2, msg) # i.e. stop was called with value 1</span> -<span id="L155" class="LineNr">155 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L156" class="LineNr">156 </span> 68/push <span class="Constant">"F - test-stop-skips-returns-on-exit"</span>/imm32 -<span id="L157" class="LineNr">157 </span> 68/push 2/imm32 -<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L159" class="LineNr">159 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . call</span> -<span id="L161" class="LineNr">161 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L162" class="LineNr">162 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L163" class="LineNr">163 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L165" class="LineNr">165 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> -<span id="L166" class="LineNr">166 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L167" class="LineNr">167 </span> 5d/pop-to-EBP -<span id="L168" class="LineNr">168 </span> c3/return -<span id="L169" class="LineNr">169 </span> -<span id="L170" class="LineNr">170 </span><span class="subxMinorFunction">_test-stop-1</span>: <span class="subxComment"># ed : (address exit-descriptor)</span> -<span id="L171" class="LineNr">171 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L172" class="LineNr">172 </span> 55/push-EBP -<span id="L173" class="LineNr">173 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L174" class="LineNr">174 </span> <span class="subxComment"># _test-stop-2(ed)</span> -<span id="L175" class="LineNr">175 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L176" class="LineNr">176 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . call</span> -<span id="L178" class="LineNr">178 </span> e8/call <a href='059stop.subx.html#L197'>_test-stop-2</a>/disp32 -<span id="L179" class="LineNr">179 </span> <span class="subxComment"># should never get past this point</span> -<span id="L180" class="LineNr">180 </span><span class="Constant">$_test-stop-1:dead-end</span>: -<span id="L181" class="LineNr">181 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L182" class="LineNr">182 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L183" class="LineNr">183 </span> <span class="subxComment"># signal test failed: check-ints-equal(1, 0, msg)</span> -<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L185" class="LineNr">185 </span> 68/push <span class="Constant">"F - test-stop-skips-returns-on-exit"</span>/imm32 -<span id="L186" class="LineNr">186 </span> 68/push 0/imm32 -<span id="L187" class="LineNr">187 </span> 68/push 1/imm32 -<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . call</span> -<span id="L189" class="LineNr">189 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L190" class="LineNr">190 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L191" class="LineNr">191 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L192" class="LineNr">192 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L193" class="LineNr">193 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L194" class="LineNr">194 </span> 5d/pop-to-EBP -<span id="L195" class="LineNr">195 </span> c3/return -<span id="L196" class="LineNr">196 </span> -<span id="L197" class="LineNr">197 </span><span class="subxMinorFunction">_test-stop-2</span>: <span class="subxComment"># ed : (address exit-descriptor)</span> -<span id="L198" class="LineNr">198 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L199" class="LineNr">199 </span> 55/push-EBP -<span id="L200" class="LineNr">200 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L201" class="LineNr">201 </span> <span class="subxS1Comment"># . stop(ed, 1)</span> -<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L203" class="LineNr">203 </span> 68/push 1/imm32 -<span id="L204" class="LineNr">204 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L205" class="LineNr">205 </span> <span class="subxS2Comment"># . . call</span> -<span id="L206" class="LineNr">206 </span> e8/call <a href='059stop.subx.html#L99'>stop</a>/disp32 -<span id="L207" class="LineNr">207 </span> <span class="subxComment"># should never get past this point</span> -<span id="L208" class="LineNr">208 </span><span class="Constant">$_test-stop-2:dead-end</span>: -<span id="L209" class="LineNr">209 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L210" class="LineNr">210 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L211" class="LineNr">211 </span> 5d/pop-to-EBP -<span id="L212" class="LineNr">212 </span> c3/return -<span id="L213" class="LineNr">213 </span> -<span id="L214" class="LineNr">214 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L40" class="LineNr"> 40 </span><span class="CommentedCode">#? Entry: # run a single test, while debugging</span> +<span id="L41" class="LineNr"> 41 </span><span class="CommentedCode">#? e8/call test-stop-skips-returns-on-exit/disp32</span> +<span id="L42" class="LineNr"> 42 </span><span class="CommentedCode">#? # syscall(exit, Num-test-failures)</span> +<span id="L43" class="LineNr"> 43 </span><span class="CommentedCode">#? 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX</span> +<span id="L44" class="LineNr"> 44 </span><span class="CommentedCode">#? b8/copy-to-EAX 1/imm32/exit</span> +<span id="L45" class="LineNr"> 45 </span><span class="CommentedCode">#? cd/syscall 0x80/imm8</span> +<span id="L46" class="LineNr"> 46 </span> +<span id="L47" class="LineNr"> 47 </span><span class="subxComment"># Configure an exit-descriptor for a call pushing 'nbytes' bytes of args to</span> +<span id="L48" class="LineNr"> 48 </span><span class="subxComment"># the stack.</span> +<span id="L49" class="LineNr"> 49 </span><span class="subxComment"># Ugly that we need to know the size of args, but so it goes.</span> +<span id="L50" class="LineNr"> 50 </span><span class="subxFunction">tailor-exit-descriptor</span>: <span class="subxComment"># ed : (address exit-descriptor), nbytes : int -> <void></span> +<span id="L51" class="LineNr"> 51 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L52" class="LineNr"> 52 </span> 55/push-EBP +<span id="L53" class="LineNr"> 53 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L54" class="LineNr"> 54 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L55" class="LineNr"> 55 </span> 50/push-EAX +<span id="L56" class="LineNr"> 56 </span> 51/push-ECX +<span id="L57" class="LineNr"> 57 </span> <span class="subxComment"># EAX = nbytes</span> +<span id="L58" class="LineNr"> 58 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EAX</span> +<span id="L59" class="LineNr"> 59 </span> <span class="subxComment"># Let X be the value of ESP in the caller, before the call to tailor-exit-descriptor.</span> +<span id="L60" class="LineNr"> 60 </span> <span class="subxComment"># The return address for a call in the caller's body will be at:</span> +<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># X-8 if the caller takes 4 bytes of args for the exit-descriptor (add 4 bytes for the return address)</span> +<span id="L62" class="LineNr"> 62 </span> <span class="subxComment"># X-12 if the caller takes 8 bytes of args</span> +<span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># ..and so on</span> +<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># That's the value we need to return: X-nbytes-4</span> +<span id="L65" class="LineNr"> 65 </span> <span class="subxComment">#</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># However, we also need to account for the perturbance to ESP caused by the</span> +<span id="L67" class="LineNr"> 67 </span> <span class="subxComment"># call to tailor-exit-descriptor. It pushes 8 bytes of args followed by 4</span> +<span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># bytes for the return address and 4 bytes to push EBP above.</span> +<span id="L69" class="LineNr"> 69 </span> <span class="subxComment"># So EBP at this point is X-16.</span> +<span id="L70" class="LineNr"> 70 </span> <span class="subxComment">#</span> +<span id="L71" class="LineNr"> 71 </span> <span class="subxComment"># So the return address for the next call in the caller is:</span> +<span id="L72" class="LineNr"> 72 </span> <span class="subxComment"># EBP+8 if the caller takes 4 bytes of args</span> +<span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># EBP+4 if the caller takes 8 bytes of args</span> +<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># EBP if the caller takes 12 bytes of args</span> +<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># EBP-4 if the caller takes 16 bytes of args</span> +<span id="L76" class="LineNr"> 76 </span> <span class="subxComment"># ..and so on</span> +<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># That's EBP+12-nbytes.</span> +<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># option 1: 6 + 3 bytes</span> +<span id="L79" class="LineNr"> 79 </span><span class="CommentedCode">#? 2d/subtract 3/mod/direct 0/rm32/EAX . . . . . 8/imm32 # subtract from EAX</span> +<span id="L80" class="LineNr"> 80 </span><span class="CommentedCode">#? 8d/copy-address 0/mod/indirect 4/rm32/sib 5/base/EBP 0/index/EAX . 0/r32/EAX . . # copy EBP+EAX to EAX</span> +<span id="L81" class="LineNr"> 81 </span> <span class="subxComment"># option 2: 2 + 4 bytes</span> +<span id="L82" class="LineNr"> 82 </span> f7 3/subop/negate 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># negate EAX</span> +<span id="L83" class="LineNr"> 83 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 5/base/EBP 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EBP+EAX+12 to EAX</span> +<span id="L84" class="LineNr"> 84 </span> <span class="subxComment"># copy EAX to ed->target</span> +<span id="L85" class="LineNr"> 85 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> +<span id="L86" class="LineNr"> 86 </span> 89/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *ECX</span> +<span id="L87" class="LineNr"> 87 </span> <span class="subxComment"># initialize ed->value</span> +<span id="L88" class="LineNr"> 88 </span> c7 0/subop/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># copy to *(ECX+4)</span> +<span id="L89" class="LineNr"> 89 </span><span class="Constant">$tailor-exit-descriptor:end</span>: +<span id="L90" class="LineNr"> 90 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L91" class="LineNr"> 91 </span> 59/pop-to-ECX +<span id="L92" class="LineNr"> 92 </span> 58/pop-to-EAX +<span id="L93" class="LineNr"> 93 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L94" class="LineNr"> 94 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L95" class="LineNr"> 95 </span> 5d/pop-to-EBP +<span id="L96" class="LineNr"> 96 </span> c3/return +<span id="L97" class="LineNr"> 97 </span> +<span id="L98" class="LineNr"> 98 </span><span class="subxFunction">stop</span>: <span class="subxComment"># ed : (address exit-descriptor), value : int</span> +<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># no prolog; one way or another, we're going to clobber registers</span> +<span id="L100" class="LineNr">100 </span> <span class="subxComment"># EAX = ed</span> +<span id="L101" class="LineNr">101 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESP+4) to EAX</span> +<span id="L102" class="LineNr">102 </span> <span class="subxComment"># if (ed->target == 0) really exit</span> +<span id="L103" class="LineNr">103 </span> 81 7/subop/compare 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare *EAX</span> +<span id="L104" class="LineNr">104 </span> 75/jump-if-not-equal $stop:fake/disp8 +<span id="L105" class="LineNr">105 </span> <span class="subxS1Comment"># . syscall(exit, value)</span> +<span id="L106" class="LineNr">106 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none <span class="Normal"> . </span> 3/r32/EBX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESP+8) to EBX</span> +<span id="L107" class="LineNr">107 </span> b8/copy-to-EAX 1/imm32/exit +<span id="L108" class="LineNr">108 </span> cd/syscall 0x80/imm8 +<span id="L109" class="LineNr">109 </span><span class="Constant">$stop:fake</span>: +<span id="L110" class="LineNr">110 </span> <span class="subxComment"># otherwise:</span> +<span id="L111" class="LineNr">111 </span> <span class="subxComment"># ed->value = value+1</span> +<span id="L112" class="LineNr">112 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESP+8) to ECX</span> +<span id="L113" class="LineNr">113 </span> 41/inc-ECX +<span id="L114" class="LineNr">114 </span> 89/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(EAX+4)</span> +<span id="L115" class="LineNr">115 </span> <span class="subxComment"># perform a non-local jump to ed->target</span> +<span id="L116" class="LineNr">116 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ESP</span> +<span id="L117" class="LineNr">117 </span><span class="Constant">$stop:end</span>: +<span id="L118" class="LineNr">118 </span> c3/return <span class="subxComment"># doesn't return to caller</span> +<span id="L119" class="LineNr">119 </span> +<span id="L120" class="LineNr">120 </span><span class="subxTest">test-stop-skips-returns-on-exit</span>: +<span id="L121" class="LineNr">121 </span> <span class="subxComment"># This looks like the standard prolog, but is here for different reasons.</span> +<span id="L122" class="LineNr">122 </span> <span class="subxComment"># A function calling 'stop' can't rely on EBP persisting past the call.</span> +<span id="L123" class="LineNr">123 </span> <span class="subxComment">#</span> +<span id="L124" class="LineNr">124 </span> <span class="subxComment"># Use EBP here as a stable base to refer to locals and arguments from in the</span> +<span id="L125" class="LineNr">125 </span> <span class="subxComment"># presence of push/pop/call instructions.</span> +<span id="L126" class="LineNr">126 </span> <span class="subxComment"># *Don't* use EBP as a way to restore ESP.</span> +<span id="L127" class="LineNr">127 </span> 55/push-EBP +<span id="L128" class="LineNr">128 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L129" class="LineNr">129 </span> <span class="subxComment"># Make room for an exit descriptor on the stack. That's almost always the</span> +<span id="L130" class="LineNr">130 </span> <span class="subxComment"># right place for it, available only as long as it's legal to use. Once this</span> +<span id="L131" class="LineNr">131 </span> <span class="subxComment"># containing function returns we'll need a new exit descriptor.</span> +<span id="L132" class="LineNr">132 </span> <span class="subxComment"># var ed/EAX : (address exit-descriptor)</span> +<span id="L133" class="LineNr">133 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L134" class="LineNr">134 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> +<span id="L135" class="LineNr">135 </span> <span class="subxComment"># Size the exit-descriptor precisely for the next call below, to _test-stop-1.</span> +<span id="L136" class="LineNr">136 </span> <span class="subxComment"># tailor-exit-descriptor(ed, 4)</span> +<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L138" class="LineNr">138 </span> 68/push 4/imm32/nbytes-of-args-for-_test-stop-1 +<span id="L139" class="LineNr">139 </span> 50/push-EAX +<span id="L140" class="LineNr">140 </span> <span class="subxS2Comment"># . . call</span> +<span id="L141" class="LineNr">141 </span> e8/call <a href='059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L142" class="LineNr">142 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L143" class="LineNr">143 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L144" class="LineNr">144 </span> <span class="subxS1Comment"># . _test-stop-1(ed)</span> +<span id="L145" class="LineNr">145 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L146" class="LineNr">146 </span> 50/push-EAX +<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . call</span> +<span id="L148" class="LineNr">148 </span> e8/call <a href='059stop.subx.html#L169'>_test-stop-1</a>/disp32 +<span id="L149" class="LineNr">149 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L150" class="LineNr">150 </span> <span class="subxComment"># restore args</span> +<span id="L151" class="LineNr">151 </span> 58/pop-to-EAX +<span id="L152" class="LineNr">152 </span> <span class="subxComment"># check that _test-stop-1 tried to call exit(1)</span> +<span id="L153" class="LineNr">153 </span> <span class="subxComment"># check-ints-equal(ed->value, 2, msg) # i.e. stop was called with value 1</span> +<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L155" class="LineNr">155 </span> 68/push <span class="Constant">"F - test-stop-skips-returns-on-exit"</span>/imm32 +<span id="L156" class="LineNr">156 </span> 68/push 2/imm32 +<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L158" class="LineNr">158 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L159" class="LineNr">159 </span> <span class="subxS2Comment"># . . call</span> +<span id="L160" class="LineNr">160 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L161" class="LineNr">161 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L162" class="LineNr">162 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L163" class="LineNr">163 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L164" class="LineNr">164 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> +<span id="L165" class="LineNr">165 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L166" class="LineNr">166 </span> 5d/pop-to-EBP +<span id="L167" class="LineNr">167 </span> c3/return +<span id="L168" class="LineNr">168 </span> +<span id="L169" class="LineNr">169 </span><span class="subxMinorFunction">_test-stop-1</span>: <span class="subxComment"># ed : (address exit-descriptor)</span> +<span id="L170" class="LineNr">170 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L171" class="LineNr">171 </span> 55/push-EBP +<span id="L172" class="LineNr">172 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L173" class="LineNr">173 </span> <span class="subxComment"># _test-stop-2(ed)</span> +<span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L175" class="LineNr">175 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . call</span> +<span id="L177" class="LineNr">177 </span> e8/call <a href='059stop.subx.html#L196'>_test-stop-2</a>/disp32 +<span id="L178" class="LineNr">178 </span> <span class="subxComment"># should never get past this point</span> +<span id="L179" class="LineNr">179 </span><span class="Constant">$_test-stop-1:dead-end</span>: +<span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L181" class="LineNr">181 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L182" class="LineNr">182 </span> <span class="subxComment"># signal test failed: check-ints-equal(1, 0, msg)</span> +<span id="L183" class="LineNr">183 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L184" class="LineNr">184 </span> 68/push <span class="Constant">"F - test-stop-skips-returns-on-exit"</span>/imm32 +<span id="L185" class="LineNr">185 </span> 68/push 0/imm32 +<span id="L186" class="LineNr">186 </span> 68/push 1/imm32 +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . call</span> +<span id="L188" class="LineNr">188 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L189" class="LineNr">189 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L190" class="LineNr">190 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L191" class="LineNr">191 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L192" class="LineNr">192 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L193" class="LineNr">193 </span> 5d/pop-to-EBP +<span id="L194" class="LineNr">194 </span> c3/return +<span id="L195" class="LineNr">195 </span> +<span id="L196" class="LineNr">196 </span><span class="subxMinorFunction">_test-stop-2</span>: <span class="subxComment"># ed : (address exit-descriptor)</span> +<span id="L197" class="LineNr">197 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L198" class="LineNr">198 </span> 55/push-EBP +<span id="L199" class="LineNr">199 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L200" class="LineNr">200 </span> <span class="subxS1Comment"># . stop(ed, 1)</span> +<span id="L201" class="LineNr">201 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L202" class="LineNr">202 </span> 68/push 1/imm32 +<span id="L203" class="LineNr">203 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . call</span> +<span id="L205" class="LineNr">205 </span> e8/call <a href='059stop.subx.html#L98'>stop</a>/disp32 +<span id="L206" class="LineNr">206 </span> <span class="subxComment"># should never get past this point</span> +<span id="L207" class="LineNr">207 </span><span class="Constant">$_test-stop-2:dead-end</span>: +<span id="L208" class="LineNr">208 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L209" class="LineNr">209 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L210" class="LineNr">210 </span> 5d/pop-to-EBP +<span id="L211" class="LineNr">211 </span> c3/return +<span id="L212" class="LineNr">212 </span> +<span id="L213" class="LineNr">213 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/060read.subx.html b/html/subx/060read.subx.html index 4bd96db1..6f92a1f5 100644 --- a/html/subx/060read.subx.html +++ b/html/subx/060read.subx.html @@ -19,7 +19,6 @@ a { color:inherit; } .subxMinorFunction { color: #875f5f; } .LineNr { } .subxS1Comment { color: #0000af; } -.SpecialChar { color: #d70000; } .subxFunction { color: #af5f00; text-decoration: underline; } .subxTest { color: #5f8700; } .Constant { color: #008787; } @@ -107,321 +106,314 @@ if ('onhashchange' in window) { <span id="L45" class="LineNr"> 45 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L46" class="LineNr"> 46 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L47" class="LineNr"> 47 </span> -<span id="L48" class="LineNr"> 48 </span><span class="subxComment"># main:</span> -<span id="L49" class="LineNr"> 49 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L51" class="LineNr"> 51 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L52" class="LineNr"> 52 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L53" class="LineNr"> 53 </span> cd/syscall 0x80/imm8 -<span id="L54" class="LineNr"> 54 </span> -<span id="L55" class="LineNr"> 55 </span><span class="subxFunction">read</span>: <span class="subxComment"># f : fd or (address stream), s : (address stream) -> num-bytes-read/EAX</span> -<span id="L56" class="LineNr"> 56 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L57" class="LineNr"> 57 </span> 55/push-EBP -<span id="L58" class="LineNr"> 58 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L59" class="LineNr"> 59 </span> <span class="subxComment"># if (f < 0x08000000) return _read(f, s) # f can't be a user-mode address, so treat it as a kernel file descriptor</span> -<span id="L60" class="LineNr"> 60 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x08000000/imm32 <span class="subxComment"># compare *(EBP+8)</span> -<span id="L61" class="LineNr"> 61 </span> 7d/jump-if-greater-or-equal $read:fake/disp8 -<span id="L62" class="LineNr"> 62 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L63" class="LineNr"> 63 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L64" class="LineNr"> 64 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L65" class="LineNr"> 65 </span> <span class="subxS2Comment"># . . call</span> -<span id="L66" class="LineNr"> 66 </span> e8/call <a href='060read.subx.html#L121'>_read</a>/disp32 -<span id="L67" class="LineNr"> 67 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L68" class="LineNr"> 68 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L69" class="LineNr"> 69 </span> <span class="subxComment"># return</span> -<span id="L70" class="LineNr"> 70 </span> eb/jump $read:end/disp8 -<span id="L71" class="LineNr"> 71 </span><span class="Constant">$read:fake</span>: -<span id="L72" class="LineNr"> 72 </span> <span class="subxComment"># otherwise, treat 'f' as a stream to scan from</span> -<span id="L73" class="LineNr"> 73 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L74" class="LineNr"> 74 </span> 56/push-ESI -<span id="L75" class="LineNr"> 75 </span> 57/push-EDI -<span id="L76" class="LineNr"> 76 </span> <span class="subxComment"># ESI = f</span> -<span id="L77" class="LineNr"> 77 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># EDI = s</span> -<span id="L79" class="LineNr"> 79 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> -<span id="L80" class="LineNr"> 80 </span> <span class="subxComment"># EAX = _append-4(out = &s->data[s->write], outend = &s->data[s->length],</span> -<span id="L81" class="LineNr"> 81 </span> <span class="subxComment"># in = &f->data[f->read], inend = &f->data[f->write])</span> -<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . push &f->data[f->write]</span> -<span id="L83" class="LineNr"> 83 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EAX</span> -<span id="L84" class="LineNr"> 84 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to EAX</span> -<span id="L85" class="LineNr"> 85 </span> 50/push-EAX -<span id="L86" class="LineNr"> 86 </span> <span class="subxS2Comment"># . . push &f->data[f->read]</span> -<span id="L87" class="LineNr"> 87 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to EAX</span> -<span id="L88" class="LineNr"> 88 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to EAX</span> -<span id="L89" class="LineNr"> 89 </span> 50/push-EAX -<span id="L90" class="LineNr"> 90 </span> <span class="subxS2Comment"># . . push &s->data[s->length]</span> -<span id="L91" class="LineNr"> 91 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+8) to EAX</span> -<span id="L92" class="LineNr"> 92 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+EAX+12 to EAX</span> -<span id="L93" class="LineNr"> 93 </span> 50/push-EAX -<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . push &s->data[s->write]</span> -<span id="L95" class="LineNr"> 95 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to EAX</span> -<span id="L96" class="LineNr"> 96 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+EAX+12 to EAX</span> -<span id="L97" class="LineNr"> 97 </span> 50/push-EAX -<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . call</span> -<span id="L99" class="LineNr"> 99 </span> e8/call <a href='056trace.subx.html#L309'>_append-4</a>/disp32 -<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L101" class="LineNr">101 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L102" class="LineNr">102 </span> <span class="subxComment"># s->write += EAX</span> -<span id="L103" class="LineNr">103 </span> 01/add 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to *EDI</span> -<span id="L104" class="LineNr">104 </span> <span class="subxComment"># f->read += EAX</span> -<span id="L105" class="LineNr">105 </span> 01/add 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># add EAX to *(ESI+4)</span> -<span id="L106" class="LineNr">106 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L107" class="LineNr">107 </span> 5f/pop-to-EDI -<span id="L108" class="LineNr">108 </span> 5e/pop-to-ESI -<span id="L109" class="LineNr">109 </span><span class="Constant">$read:end</span>: -<span id="L110" class="LineNr">110 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L111" class="LineNr">111 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L112" class="LineNr">112 </span> 5d/pop-to-EBP -<span id="L113" class="LineNr">113 </span> c3/return -<span id="L114" class="LineNr">114 </span> -<span id="L115" class="LineNr">115 </span><span class="subxH1Comment"># - helpers</span> -<span id="L116" class="LineNr">116 </span> -<span id="L117" class="LineNr">117 </span><span class="subxComment"># idea: a clear-if-empty method on streams that clears only if f->read == f->write</span> -<span id="L118" class="LineNr">118 </span><span class="subxComment"># Unclear how I'd use it, though. Callers seem to need the check anyway.</span> -<span id="L119" class="LineNr">119 </span><span class="subxComment"># Maybe a better helper would be 'empty-stream?'</span> -<span id="L120" class="LineNr">120 </span> -<span id="L121" class="LineNr">121 </span><span class="subxMinorFunction">_read</span>: <span class="subxComment"># fd : int, s : (address stream) -> num-bytes-read/EAX</span> -<span id="L122" class="LineNr">122 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L123" class="LineNr">123 </span> 55/push-EBP -<span id="L124" class="LineNr">124 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L125" class="LineNr">125 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L126" class="LineNr">126 </span> 51/push-ECX -<span id="L127" class="LineNr">127 </span> 52/push-EDX -<span id="L128" class="LineNr">128 </span> 53/push-EBX -<span id="L129" class="LineNr">129 </span> 56/push-ESI -<span id="L130" class="LineNr">130 </span> <span class="subxComment"># ESI = s</span> -<span id="L131" class="LineNr">131 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> -<span id="L132" class="LineNr">132 </span> <span class="subxComment"># EAX = s->write</span> -<span id="L133" class="LineNr">133 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EAX</span> -<span id="L134" class="LineNr">134 </span> <span class="subxComment"># EDX = s->length</span> -<span id="L135" class="LineNr">135 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+8) to EDX</span> -<span id="L136" class="LineNr">136 </span> <span class="subxComment"># syscall(read, fd, &s->data[s->write], s->length - s->write)</span> -<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . fd : EBX</span> -<span id="L138" class="LineNr">138 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EBX</span> -<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . data : ECX = &s->data[s->write]</span> -<span id="L140" class="LineNr">140 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to ECX</span> -<span id="L141" class="LineNr">141 </span> <span class="subxS2Comment"># . . size : EDX = s->length - s->write</span> -<span id="L142" class="LineNr">142 </span> 29/subtract 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from EDX</span> -<span id="L143" class="LineNr">143 </span> <span class="subxS2Comment"># . . syscall</span> -<span id="L144" class="LineNr">144 </span> b8/copy-to-EAX 3/imm32/read -<span id="L145" class="LineNr">145 </span> cd/syscall 0x80/imm8 -<span id="L146" class="LineNr">146 </span> <span class="subxComment"># add the result EAX to s->write</span> -<span id="L147" class="LineNr">147 </span> 01/add 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to *ESI</span> -<span id="L148" class="LineNr">148 </span><span class="Constant">$_read:end</span>: -<span id="L149" class="LineNr">149 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L150" class="LineNr">150 </span> 5e/pop-to-ESI -<span id="L151" class="LineNr">151 </span> 5b/pop-to-EBX -<span id="L152" class="LineNr">152 </span> 5a/pop-to-EDX -<span id="L153" class="LineNr">153 </span> 59/pop-to-ECX -<span id="L154" class="LineNr">154 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L155" class="LineNr">155 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L156" class="LineNr">156 </span> 5d/pop-to-EBP -<span id="L157" class="LineNr">157 </span> c3/return -<span id="L158" class="LineNr">158 </span> -<span id="L159" class="LineNr">159 </span> <span class="subxComment"># Two options:</span> -<span id="L160" class="LineNr">160 </span> <span class="subxComment"># 1 (what we have above):</span> -<span id="L161" class="LineNr">161 </span> <span class="subxComment"># ECX = s</span> -<span id="L162" class="LineNr">162 </span> <span class="subxComment"># EAX = s->write</span> +<span id="L48" class="LineNr"> 48 </span><span class="subxFunction">read</span>: <span class="subxComment"># f : fd or (address stream), s : (address stream) -> num-bytes-read/EAX</span> +<span id="L49" class="LineNr"> 49 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L50" class="LineNr"> 50 </span> 55/push-EBP +<span id="L51" class="LineNr"> 51 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># if (f < 0x08000000) return _read(f, s) # f can't be a user-mode address, so treat it as a kernel file descriptor</span> +<span id="L53" class="LineNr"> 53 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x08000000/imm32 <span class="subxComment"># compare *(EBP+8)</span> +<span id="L54" class="LineNr"> 54 </span> 7d/jump-if-greater-or-equal $read:fake/disp8 +<span id="L55" class="LineNr"> 55 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L56" class="LineNr"> 56 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L57" class="LineNr"> 57 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L58" class="LineNr"> 58 </span> <span class="subxS2Comment"># . . call</span> +<span id="L59" class="LineNr"> 59 </span> e8/call <a href='060read.subx.html#L114'>_read</a>/disp32 +<span id="L60" class="LineNr"> 60 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L61" class="LineNr"> 61 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L62" class="LineNr"> 62 </span> <span class="subxComment"># return</span> +<span id="L63" class="LineNr"> 63 </span> eb/jump $read:end/disp8 +<span id="L64" class="LineNr"> 64 </span><span class="Constant">$read:fake</span>: +<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># otherwise, treat 'f' as a stream to scan from</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L67" class="LineNr"> 67 </span> 56/push-ESI +<span id="L68" class="LineNr"> 68 </span> 57/push-EDI +<span id="L69" class="LineNr"> 69 </span> <span class="subxComment"># ESI = f</span> +<span id="L70" class="LineNr"> 70 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L71" class="LineNr"> 71 </span> <span class="subxComment"># EDI = s</span> +<span id="L72" class="LineNr"> 72 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> +<span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># EAX = _append-4(out = &s->data[s->write], outend = &s->data[s->length],</span> +<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># in = &f->data[f->read], inend = &f->data[f->write])</span> +<span id="L75" class="LineNr"> 75 </span> <span class="subxS2Comment"># . . push &f->data[f->write]</span> +<span id="L76" class="LineNr"> 76 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EAX</span> +<span id="L77" class="LineNr"> 77 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to EAX</span> +<span id="L78" class="LineNr"> 78 </span> 50/push-EAX +<span id="L79" class="LineNr"> 79 </span> <span class="subxS2Comment"># . . push &f->data[f->read]</span> +<span id="L80" class="LineNr"> 80 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to EAX</span> +<span id="L81" class="LineNr"> 81 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to EAX</span> +<span id="L82" class="LineNr"> 82 </span> 50/push-EAX +<span id="L83" class="LineNr"> 83 </span> <span class="subxS2Comment"># . . push &s->data[s->length]</span> +<span id="L84" class="LineNr"> 84 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+8) to EAX</span> +<span id="L85" class="LineNr"> 85 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+EAX+12 to EAX</span> +<span id="L86" class="LineNr"> 86 </span> 50/push-EAX +<span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . push &s->data[s->write]</span> +<span id="L88" class="LineNr"> 88 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to EAX</span> +<span id="L89" class="LineNr"> 89 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+EAX+12 to EAX</span> +<span id="L90" class="LineNr"> 90 </span> 50/push-EAX +<span id="L91" class="LineNr"> 91 </span> <span class="subxS2Comment"># . . call</span> +<span id="L92" class="LineNr"> 92 </span> e8/call <a href='056trace.subx.html#L301'>_append-4</a>/disp32 +<span id="L93" class="LineNr"> 93 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L94" class="LineNr"> 94 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># s->write += EAX</span> +<span id="L96" class="LineNr"> 96 </span> 01/add 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to *EDI</span> +<span id="L97" class="LineNr"> 97 </span> <span class="subxComment"># f->read += EAX</span> +<span id="L98" class="LineNr"> 98 </span> 01/add 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># add EAX to *(ESI+4)</span> +<span id="L99" class="LineNr"> 99 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L100" class="LineNr">100 </span> 5f/pop-to-EDI +<span id="L101" class="LineNr">101 </span> 5e/pop-to-ESI +<span id="L102" class="LineNr">102 </span><span class="Constant">$read:end</span>: +<span id="L103" class="LineNr">103 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L104" class="LineNr">104 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L105" class="LineNr">105 </span> 5d/pop-to-EBP +<span id="L106" class="LineNr">106 </span> c3/return +<span id="L107" class="LineNr">107 </span> +<span id="L108" class="LineNr">108 </span><span class="subxH1Comment"># - helpers</span> +<span id="L109" class="LineNr">109 </span> +<span id="L110" class="LineNr">110 </span><span class="subxComment"># idea: a clear-if-empty method on streams that clears only if f->read == f->write</span> +<span id="L111" class="LineNr">111 </span><span class="subxComment"># Unclear how I'd use it, though. Callers seem to need the check anyway.</span> +<span id="L112" class="LineNr">112 </span><span class="subxComment"># Maybe a better helper would be 'empty-stream?'</span> +<span id="L113" class="LineNr">113 </span> +<span id="L114" class="LineNr">114 </span><span class="subxMinorFunction">_read</span>: <span class="subxComment"># fd : int, s : (address stream) -> num-bytes-read/EAX</span> +<span id="L115" class="LineNr">115 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L116" class="LineNr">116 </span> 55/push-EBP +<span id="L117" class="LineNr">117 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L118" class="LineNr">118 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L119" class="LineNr">119 </span> 51/push-ECX +<span id="L120" class="LineNr">120 </span> 52/push-EDX +<span id="L121" class="LineNr">121 </span> 53/push-EBX +<span id="L122" class="LineNr">122 </span> 56/push-ESI +<span id="L123" class="LineNr">123 </span> <span class="subxComment"># ESI = s</span> +<span id="L124" class="LineNr">124 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> +<span id="L125" class="LineNr">125 </span> <span class="subxComment"># EAX = s->write</span> +<span id="L126" class="LineNr">126 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EAX</span> +<span id="L127" class="LineNr">127 </span> <span class="subxComment"># EDX = s->length</span> +<span id="L128" class="LineNr">128 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+8) to EDX</span> +<span id="L129" class="LineNr">129 </span> <span class="subxComment"># syscall(read, fd, &s->data[s->write], s->length - s->write)</span> +<span id="L130" class="LineNr">130 </span> <span class="subxS2Comment"># . . fd : EBX</span> +<span id="L131" class="LineNr">131 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EBX</span> +<span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . data : ECX = &s->data[s->write]</span> +<span id="L133" class="LineNr">133 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to ECX</span> +<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . size : EDX = s->length - s->write</span> +<span id="L135" class="LineNr">135 </span> 29/subtract 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from EDX</span> +<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . syscall</span> +<span id="L137" class="LineNr">137 </span> b8/copy-to-EAX 3/imm32/read +<span id="L138" class="LineNr">138 </span> cd/syscall 0x80/imm8 +<span id="L139" class="LineNr">139 </span> <span class="subxComment"># add the result EAX to s->write</span> +<span id="L140" class="LineNr">140 </span> 01/add 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to *ESI</span> +<span id="L141" class="LineNr">141 </span><span class="Constant">$_read:end</span>: +<span id="L142" class="LineNr">142 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L143" class="LineNr">143 </span> 5e/pop-to-ESI +<span id="L144" class="LineNr">144 </span> 5b/pop-to-EBX +<span id="L145" class="LineNr">145 </span> 5a/pop-to-EDX +<span id="L146" class="LineNr">146 </span> 59/pop-to-ECX +<span id="L147" class="LineNr">147 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L148" class="LineNr">148 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L149" class="LineNr">149 </span> 5d/pop-to-EBP +<span id="L150" class="LineNr">150 </span> c3/return +<span id="L151" class="LineNr">151 </span> +<span id="L152" class="LineNr">152 </span> <span class="subxComment"># Two options:</span> +<span id="L153" class="LineNr">153 </span> <span class="subxComment"># 1 (what we have above):</span> +<span id="L154" class="LineNr">154 </span> <span class="subxComment"># ECX = s</span> +<span id="L155" class="LineNr">155 </span> <span class="subxComment"># EAX = s->write</span> +<span id="L156" class="LineNr">156 </span> <span class="subxComment"># EDX = s->length</span> +<span id="L157" class="LineNr">157 </span> <span class="subxComment"># # syscall</span> +<span id="L158" class="LineNr">158 </span> <span class="subxComment"># ECX = lea ECX+EAX+12</span> +<span id="L159" class="LineNr">159 </span> <span class="subxComment"># EDX = sub EDX EAX</span> +<span id="L160" class="LineNr">160 </span> <span class="subxComment">#</span> +<span id="L161" class="LineNr">161 </span> <span class="subxComment"># 2:</span> +<span id="L162" class="LineNr">162 </span> <span class="subxComment"># ECX = s</span> <span id="L163" class="LineNr">163 </span> <span class="subxComment"># EDX = s->length</span> -<span id="L164" class="LineNr">164 </span> <span class="subxComment"># # syscall</span> -<span id="L165" class="LineNr">165 </span> <span class="subxComment"># ECX = lea ECX+EAX+12</span> -<span id="L166" class="LineNr">166 </span> <span class="subxComment"># EDX = sub EDX EAX</span> -<span id="L167" class="LineNr">167 </span> <span class="subxComment">#</span> -<span id="L168" class="LineNr">168 </span> <span class="subxComment"># 2:</span> -<span id="L169" class="LineNr">169 </span> <span class="subxComment"># ECX = s</span> -<span id="L170" class="LineNr">170 </span> <span class="subxComment"># EDX = s->length</span> -<span id="L171" class="LineNr">171 </span> <span class="subxComment"># ECX = &s->data</span> -<span id="L172" class="LineNr">172 </span> <span class="subxComment"># # syscall</span> -<span id="L173" class="LineNr">173 </span> <span class="subxComment"># ECX = add ECX, s->write</span> -<span id="L174" class="LineNr">174 </span> <span class="subxComment"># EDX = sub EDX, s->write</span> -<span id="L175" class="LineNr">175 </span> <span class="subxComment">#</span> -<span id="L176" class="LineNr">176 </span> <span class="subxComment"># Not much to choose between the two? Option 2 performs a duplicate load to</span> -<span id="L177" class="LineNr">177 </span> <span class="subxComment"># use one less register, but doesn't increase the amount of spilling (ECX</span> -<span id="L178" class="LineNr">178 </span> <span class="subxComment"># and EDX must be used, and EAX must be clobbered anyway).</span> -<span id="L179" class="LineNr">179 </span> -<span id="L180" class="LineNr">180 </span><span class="subxH1Comment"># - tests</span> -<span id="L181" class="LineNr">181 </span> -<span id="L182" class="LineNr">182 </span><span class="subxTest">test-read-single</span>: -<span id="L183" class="LineNr">183 </span> <span class="subxH1Comment"># - write a single character into _test-stream, then read from its buffered-file</span> -<span id="L184" class="LineNr">184 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L164" class="LineNr">164 </span> <span class="subxComment"># ECX = &s->data</span> +<span id="L165" class="LineNr">165 </span> <span class="subxComment"># # syscall</span> +<span id="L166" class="LineNr">166 </span> <span class="subxComment"># ECX = add ECX, s->write</span> +<span id="L167" class="LineNr">167 </span> <span class="subxComment"># EDX = sub EDX, s->write</span> +<span id="L168" class="LineNr">168 </span> <span class="subxComment">#</span> +<span id="L169" class="LineNr">169 </span> <span class="subxComment"># Not much to choose between the two? Option 2 performs a duplicate load to</span> +<span id="L170" class="LineNr">170 </span> <span class="subxComment"># use one less register, but doesn't increase the amount of spilling (ECX</span> +<span id="L171" class="LineNr">171 </span> <span class="subxComment"># and EDX must be used, and EAX must be clobbered anyway).</span> +<span id="L172" class="LineNr">172 </span> +<span id="L173" class="LineNr">173 </span><span class="subxH1Comment"># - tests</span> +<span id="L174" class="LineNr">174 </span> +<span id="L175" class="LineNr">175 </span><span class="subxTest">test-read-single</span>: +<span id="L176" class="LineNr">176 </span> <span class="subxH1Comment"># - write a single character into _test-stream, then read from its buffered-file</span> +<span id="L177" class="LineNr">177 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L179" class="LineNr">179 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . call</span> +<span id="L181" class="LineNr">181 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L182" class="LineNr">182 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L183" class="LineNr">183 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L184" class="LineNr">184 </span> <span class="subxComment"># clear-stream(_test-tmp-stream)</span> <span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L186" class="LineNr">186 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 +<span id="L186" class="LineNr">186 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 <span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . call</span> -<span id="L188" class="LineNr">188 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 +<span id="L188" class="LineNr">188 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L189" class="LineNr">189 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L190" class="LineNr">190 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L191" class="LineNr">191 </span> <span class="subxComment"># clear-stream(_test-tmp-stream)</span> +<span id="L191" class="LineNr">191 </span> <span class="subxComment"># write(_test-stream, "Ab")</span> <span id="L192" class="LineNr">192 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L193" class="LineNr">193 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . call</span> -<span id="L195" class="LineNr">195 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L196" class="LineNr">196 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L197" class="LineNr">197 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L198" class="LineNr">198 </span> <span class="subxComment"># write(_test-stream, "Ab")</span> -<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L200" class="LineNr">200 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L201" class="LineNr">201 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . call</span> -<span id="L203" class="LineNr">203 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L205" class="LineNr">205 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L206" class="LineNr">206 </span> <span class="subxComment"># read(_test-stream, _test-tmp-stream)</span> -<span id="L207" class="LineNr">207 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L208" class="LineNr">208 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L209" class="LineNr">209 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L210" class="LineNr">210 </span> <span class="subxS2Comment"># . . call</span> -<span id="L211" class="LineNr">211 </span> e8/call <a href='060read.subx.html#L55'>read</a>/disp32 -<span id="L212" class="LineNr">212 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L213" class="LineNr">213 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L214" class="LineNr">214 </span> <span class="subxComment"># check-ints-equal(EAX, 2, msg)</span> -<span id="L215" class="LineNr">215 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L216" class="LineNr">216 </span> 68/push <span class="Constant">"F - <a href='060read.subx.html#L182'>test-read-single</a>: return EAX"</span>/imm32 -<span id="L217" class="LineNr">217 </span> 68/push 2/imm32 -<span id="L218" class="LineNr">218 </span> 50/push-EAX -<span id="L219" class="LineNr">219 </span> <span class="subxS2Comment"># . . call</span> -<span id="L220" class="LineNr">220 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L221" class="LineNr">221 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L222" class="LineNr">222 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L223" class="LineNr">223 </span> <span class="subxComment"># check-stream-equal(_test-tmp-stream, "Ab", msg)</span> -<span id="L224" class="LineNr">224 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L225" class="LineNr">225 </span> 68/push <span class="Constant">"F - test-read-single"</span>/imm32 -<span id="L226" class="LineNr">226 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L227" class="LineNr">227 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L228" class="LineNr">228 </span> <span class="subxS2Comment"># . . call</span> -<span id="L229" class="LineNr">229 </span> e8/call <a href='058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L230" class="LineNr">230 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L231" class="LineNr">231 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L232" class="LineNr">232 </span> <span class="subxComment"># end</span> -<span id="L233" class="LineNr">233 </span> c3/return -<span id="L234" class="LineNr">234 </span> -<span id="L235" class="LineNr">235 </span><span class="subxTest">test-read-is-stateful</span>: -<span id="L236" class="LineNr">236 </span> <span class="subxH1Comment"># - make two consecutive reads, check that their results are appended</span> -<span id="L237" class="LineNr">237 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L193" class="LineNr">193 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L194" class="LineNr">194 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L195" class="LineNr">195 </span> <span class="subxS2Comment"># . . call</span> +<span id="L196" class="LineNr">196 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L197" class="LineNr">197 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L198" class="LineNr">198 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L199" class="LineNr">199 </span> <span class="subxComment"># read(_test-stream, _test-tmp-stream)</span> +<span id="L200" class="LineNr">200 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L201" class="LineNr">201 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L202" class="LineNr">202 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L203" class="LineNr">203 </span> <span class="subxS2Comment"># . . call</span> +<span id="L204" class="LineNr">204 </span> e8/call <a href='060read.subx.html#L48'>read</a>/disp32 +<span id="L205" class="LineNr">205 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L206" class="LineNr">206 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L207" class="LineNr">207 </span> <span class="subxComment"># check-ints-equal(EAX, 2, msg)</span> +<span id="L208" class="LineNr">208 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L209" class="LineNr">209 </span> 68/push <span class="Constant">"F - <a href='060read.subx.html#L175'>test-read-single</a>: return EAX"</span>/imm32 +<span id="L210" class="LineNr">210 </span> 68/push 2/imm32 +<span id="L211" class="LineNr">211 </span> 50/push-EAX +<span id="L212" class="LineNr">212 </span> <span class="subxS2Comment"># . . call</span> +<span id="L213" class="LineNr">213 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L214" class="LineNr">214 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L215" class="LineNr">215 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L216" class="LineNr">216 </span> <span class="subxComment"># check-stream-equal(_test-tmp-stream, "Ab", msg)</span> +<span id="L217" class="LineNr">217 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L218" class="LineNr">218 </span> 68/push <span class="Constant">"F - test-read-single"</span>/imm32 +<span id="L219" class="LineNr">219 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L220" class="LineNr">220 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L221" class="LineNr">221 </span> <span class="subxS2Comment"># . . call</span> +<span id="L222" class="LineNr">222 </span> e8/call <a href='058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L223" class="LineNr">223 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L224" class="LineNr">224 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L225" class="LineNr">225 </span> <span class="subxComment"># end</span> +<span id="L226" class="LineNr">226 </span> c3/return +<span id="L227" class="LineNr">227 </span> +<span id="L228" class="LineNr">228 </span><span class="subxTest">test-read-is-stateful</span>: +<span id="L229" class="LineNr">229 </span> <span class="subxH1Comment"># - make two consecutive reads, check that their results are appended</span> +<span id="L230" class="LineNr">230 </span> <span class="subxComment"># clear-stream(_test-stream)</span> +<span id="L231" class="LineNr">231 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L232" class="LineNr">232 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L233" class="LineNr">233 </span> <span class="subxS2Comment"># . . call</span> +<span id="L234" class="LineNr">234 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L235" class="LineNr">235 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L236" class="LineNr">236 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L237" class="LineNr">237 </span> <span class="subxComment"># clear-stream(_test-tmp-stream)</span> <span id="L238" class="LineNr">238 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L239" class="LineNr">239 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 +<span id="L239" class="LineNr">239 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 <span id="L240" class="LineNr">240 </span> <span class="subxS2Comment"># . . call</span> -<span id="L241" class="LineNr">241 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 +<span id="L241" class="LineNr">241 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L242" class="LineNr">242 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L243" class="LineNr">243 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L244" class="LineNr">244 </span> <span class="subxComment"># clear-stream(_test-tmp-stream)</span> +<span id="L244" class="LineNr">244 </span> <span class="subxComment"># write(_test-stream, "C")</span> <span id="L245" class="LineNr">245 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L246" class="LineNr">246 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L247" class="LineNr">247 </span> <span class="subxS2Comment"># . . call</span> -<span id="L248" class="LineNr">248 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L249" class="LineNr">249 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L250" class="LineNr">250 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L251" class="LineNr">251 </span> <span class="subxComment"># write(_test-stream, "C")</span> -<span id="L252" class="LineNr">252 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L253" class="LineNr">253 </span> 68/push <span class="Constant">"C"</span>/imm32 -<span id="L254" class="LineNr">254 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L255" class="LineNr">255 </span> <span class="subxS2Comment"># . . call</span> -<span id="L256" class="LineNr">256 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L257" class="LineNr">257 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L258" class="LineNr">258 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L259" class="LineNr">259 </span> <span class="subxComment"># read(_test-stream, _test-tmp-stream)</span> -<span id="L260" class="LineNr">260 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L261" class="LineNr">261 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L262" class="LineNr">262 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L263" class="LineNr">263 </span> <span class="subxS2Comment"># . . call</span> -<span id="L264" class="LineNr">264 </span> e8/call <a href='060read.subx.html#L55'>read</a>/disp32 -<span id="L265" class="LineNr">265 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L266" class="LineNr">266 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L267" class="LineNr">267 </span> <span class="subxComment"># write(_test-stream, "D")</span> -<span id="L268" class="LineNr">268 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L269" class="LineNr">269 </span> 68/push <span class="Constant">"D"</span>/imm32 -<span id="L270" class="LineNr">270 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L271" class="LineNr">271 </span> <span class="subxS2Comment"># . . call</span> -<span id="L272" class="LineNr">272 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L273" class="LineNr">273 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L274" class="LineNr">274 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L275" class="LineNr">275 </span> <span class="subxComment"># read(_test-stream, _test-tmp-stream)</span> -<span id="L276" class="LineNr">276 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L277" class="LineNr">277 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L278" class="LineNr">278 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L279" class="LineNr">279 </span> <span class="subxS2Comment"># . . call</span> -<span id="L280" class="LineNr">280 </span> e8/call <a href='060read.subx.html#L55'>read</a>/disp32 -<span id="L281" class="LineNr">281 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L282" class="LineNr">282 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L283" class="LineNr">283 </span> <span class="subxComment"># check-stream-equal(_test-tmp-stream, "CD", msg)</span> -<span id="L284" class="LineNr">284 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L285" class="LineNr">285 </span> 68/push <span class="Constant">"F - test-read-is-stateful"</span>/imm32 -<span id="L286" class="LineNr">286 </span> 68/push <span class="Constant">"CD"</span>/imm32 -<span id="L287" class="LineNr">287 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L288" class="LineNr">288 </span> <span class="subxS2Comment"># . . call</span> -<span id="L289" class="LineNr">289 </span> e8/call <a href='058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L290" class="LineNr">290 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L291" class="LineNr">291 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L292" class="LineNr">292 </span> <span class="subxComment"># end</span> -<span id="L293" class="LineNr">293 </span> c3/return -<span id="L294" class="LineNr">294 </span> -<span id="L295" class="LineNr">295 </span><span class="subxTest">test-read-returns-0-on-end-of-file</span>: -<span id="L296" class="LineNr">296 </span> <span class="subxH1Comment"># - read after hitting end-of-file, check that result is 0</span> -<span id="L297" class="LineNr">297 </span> <span class="subxComment"># setup</span> -<span id="L298" class="LineNr">298 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L246" class="LineNr">246 </span> 68/push <span class="Constant">"C"</span>/imm32 +<span id="L247" class="LineNr">247 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L248" class="LineNr">248 </span> <span class="subxS2Comment"># . . call</span> +<span id="L249" class="LineNr">249 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L250" class="LineNr">250 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L251" class="LineNr">251 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L252" class="LineNr">252 </span> <span class="subxComment"># read(_test-stream, _test-tmp-stream)</span> +<span id="L253" class="LineNr">253 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L254" class="LineNr">254 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L255" class="LineNr">255 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L256" class="LineNr">256 </span> <span class="subxS2Comment"># . . call</span> +<span id="L257" class="LineNr">257 </span> e8/call <a href='060read.subx.html#L48'>read</a>/disp32 +<span id="L258" class="LineNr">258 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L259" class="LineNr">259 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L260" class="LineNr">260 </span> <span class="subxComment"># write(_test-stream, "D")</span> +<span id="L261" class="LineNr">261 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L262" class="LineNr">262 </span> 68/push <span class="Constant">"D"</span>/imm32 +<span id="L263" class="LineNr">263 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L264" class="LineNr">264 </span> <span class="subxS2Comment"># . . call</span> +<span id="L265" class="LineNr">265 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L266" class="LineNr">266 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L267" class="LineNr">267 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L268" class="LineNr">268 </span> <span class="subxComment"># read(_test-stream, _test-tmp-stream)</span> +<span id="L269" class="LineNr">269 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L270" class="LineNr">270 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L271" class="LineNr">271 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L272" class="LineNr">272 </span> <span class="subxS2Comment"># . . call</span> +<span id="L273" class="LineNr">273 </span> e8/call <a href='060read.subx.html#L48'>read</a>/disp32 +<span id="L274" class="LineNr">274 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L275" class="LineNr">275 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L276" class="LineNr">276 </span> <span class="subxComment"># check-stream-equal(_test-tmp-stream, "CD", msg)</span> +<span id="L277" class="LineNr">277 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L278" class="LineNr">278 </span> 68/push <span class="Constant">"F - test-read-is-stateful"</span>/imm32 +<span id="L279" class="LineNr">279 </span> 68/push <span class="Constant">"CD"</span>/imm32 +<span id="L280" class="LineNr">280 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L281" class="LineNr">281 </span> <span class="subxS2Comment"># . . call</span> +<span id="L282" class="LineNr">282 </span> e8/call <a href='058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L283" class="LineNr">283 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L284" class="LineNr">284 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L285" class="LineNr">285 </span> <span class="subxComment"># end</span> +<span id="L286" class="LineNr">286 </span> c3/return +<span id="L287" class="LineNr">287 </span> +<span id="L288" class="LineNr">288 </span><span class="subxTest">test-read-returns-0-on-end-of-file</span>: +<span id="L289" class="LineNr">289 </span> <span class="subxH1Comment"># - read after hitting end-of-file, check that result is 0</span> +<span id="L290" class="LineNr">290 </span> <span class="subxComment"># setup</span> +<span id="L291" class="LineNr">291 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L292" class="LineNr">292 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L293" class="LineNr">293 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L294" class="LineNr">294 </span> <span class="subxS2Comment"># . . call</span> +<span id="L295" class="LineNr">295 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L296" class="LineNr">296 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L297" class="LineNr">297 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L298" class="LineNr">298 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> <span id="L299" class="LineNr">299 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L300" class="LineNr">300 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 +<span id="L300" class="LineNr">300 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 <span id="L301" class="LineNr">301 </span> <span class="subxS2Comment"># . . call</span> -<span id="L302" class="LineNr">302 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 +<span id="L302" class="LineNr">302 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L303" class="LineNr">303 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L304" class="LineNr">304 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L305" class="LineNr">305 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> +<span id="L305" class="LineNr">305 </span> <span class="subxS1Comment"># . write(_test-stream, "Ab")</span> <span id="L306" class="LineNr">306 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L307" class="LineNr">307 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L308" class="LineNr">308 </span> <span class="subxS2Comment"># . . call</span> -<span id="L309" class="LineNr">309 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L310" class="LineNr">310 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L311" class="LineNr">311 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L312" class="LineNr">312 </span> <span class="subxS1Comment"># . write(_test-stream, "Ab")</span> -<span id="L313" class="LineNr">313 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L314" class="LineNr">314 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L315" class="LineNr">315 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L316" class="LineNr">316 </span> <span class="subxS2Comment"># . . call</span> -<span id="L317" class="LineNr">317 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L318" class="LineNr">318 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L319" class="LineNr">319 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L320" class="LineNr">320 </span> <span class="subxComment"># first read gets to end-of-file</span> -<span id="L321" class="LineNr">321 </span> <span class="subxS1Comment"># . read(_test-stream, _test-tmp-stream)</span> -<span id="L322" class="LineNr">322 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L323" class="LineNr">323 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L324" class="LineNr">324 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L325" class="LineNr">325 </span> <span class="subxS2Comment"># . . call</span> -<span id="L326" class="LineNr">326 </span> e8/call <a href='060read.subx.html#L55'>read</a>/disp32 -<span id="L327" class="LineNr">327 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L328" class="LineNr">328 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L329" class="LineNr">329 </span> <span class="subxComment"># second read</span> -<span id="L330" class="LineNr">330 </span> <span class="subxS1Comment"># . read(_test-stream, _test-tmp-stream)</span> -<span id="L331" class="LineNr">331 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L332" class="LineNr">332 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L333" class="LineNr">333 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L334" class="LineNr">334 </span> <span class="subxS2Comment"># . . call</span> -<span id="L335" class="LineNr">335 </span> e8/call <a href='060read.subx.html#L55'>read</a>/disp32 -<span id="L336" class="LineNr">336 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L337" class="LineNr">337 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L338" class="LineNr">338 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L339" class="LineNr">339 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L340" class="LineNr">340 </span> 68/push <span class="Constant">"F - test-read-returns-0-on-end-of-file"</span>/imm32 -<span id="L341" class="LineNr">341 </span> 68/push 0/imm32 -<span id="L342" class="LineNr">342 </span> 50/push-EAX -<span id="L343" class="LineNr">343 </span> <span class="subxS2Comment"># . . call</span> -<span id="L344" class="LineNr">344 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L345" class="LineNr">345 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L346" class="LineNr">346 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L347" class="LineNr">347 </span> <span class="subxComment"># end</span> -<span id="L348" class="LineNr">348 </span> c3/return -<span id="L349" class="LineNr">349 </span> -<span id="L350" class="LineNr">350 </span>== data -<span id="L351" class="LineNr">351 </span> -<span id="L352" class="LineNr">352 </span><span class="subxMinorFunction">_test-tmp-stream</span>: -<span id="L353" class="LineNr">353 </span> <span class="subxComment"># current write index</span> -<span id="L354" class="LineNr">354 </span> 00 00 00 00 -<span id="L355" class="LineNr">355 </span> <span class="subxComment"># current read index</span> -<span id="L356" class="LineNr">356 </span> 00 00 00 00 -<span id="L357" class="LineNr">357 </span> <span class="subxComment"># length (= 8)</span> -<span id="L358" class="LineNr">358 </span> 08 00 00 00 -<span id="L359" class="LineNr">359 </span> <span class="subxComment"># data</span> -<span id="L360" class="LineNr">360 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> -<span id="L361" class="LineNr">361 </span> -<span id="L362" class="LineNr">362 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L307" class="LineNr">307 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L308" class="LineNr">308 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L309" class="LineNr">309 </span> <span class="subxS2Comment"># . . call</span> +<span id="L310" class="LineNr">310 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L311" class="LineNr">311 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L312" class="LineNr">312 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L313" class="LineNr">313 </span> <span class="subxComment"># first read gets to end-of-file</span> +<span id="L314" class="LineNr">314 </span> <span class="subxS1Comment"># . read(_test-stream, _test-tmp-stream)</span> +<span id="L315" class="LineNr">315 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L316" class="LineNr">316 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L317" class="LineNr">317 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L318" class="LineNr">318 </span> <span class="subxS2Comment"># . . call</span> +<span id="L319" class="LineNr">319 </span> e8/call <a href='060read.subx.html#L48'>read</a>/disp32 +<span id="L320" class="LineNr">320 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L321" class="LineNr">321 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L322" class="LineNr">322 </span> <span class="subxComment"># second read</span> +<span id="L323" class="LineNr">323 </span> <span class="subxS1Comment"># . read(_test-stream, _test-tmp-stream)</span> +<span id="L324" class="LineNr">324 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L325" class="LineNr">325 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L326" class="LineNr">326 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L327" class="LineNr">327 </span> <span class="subxS2Comment"># . . call</span> +<span id="L328" class="LineNr">328 </span> e8/call <a href='060read.subx.html#L48'>read</a>/disp32 +<span id="L329" class="LineNr">329 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L330" class="LineNr">330 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L331" class="LineNr">331 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L332" class="LineNr">332 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L333" class="LineNr">333 </span> 68/push <span class="Constant">"F - test-read-returns-0-on-end-of-file"</span>/imm32 +<span id="L334" class="LineNr">334 </span> 68/push 0/imm32 +<span id="L335" class="LineNr">335 </span> 50/push-EAX +<span id="L336" class="LineNr">336 </span> <span class="subxS2Comment"># . . call</span> +<span id="L337" class="LineNr">337 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L338" class="LineNr">338 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L339" class="LineNr">339 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L340" class="LineNr">340 </span> <span class="subxComment"># end</span> +<span id="L341" class="LineNr">341 </span> c3/return +<span id="L342" class="LineNr">342 </span> +<span id="L343" class="LineNr">343 </span>== data +<span id="L344" class="LineNr">344 </span> +<span id="L345" class="LineNr">345 </span><span class="subxMinorFunction">_test-tmp-stream</span>: +<span id="L346" class="LineNr">346 </span> <span class="subxComment"># current write index</span> +<span id="L347" class="LineNr">347 </span> 0/imm32 +<span id="L348" class="LineNr">348 </span> <span class="subxComment"># current read index</span> +<span id="L349" class="LineNr">349 </span> 0/imm32 +<span id="L350" class="LineNr">350 </span> <span class="subxComment"># length</span> +<span id="L351" class="LineNr">351 </span> 8/imm32 +<span id="L352" class="LineNr">352 </span> <span class="subxComment"># data</span> +<span id="L353" class="LineNr">353 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> +<span id="L354" class="LineNr">354 </span> +<span id="L355" class="LineNr">355 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/061read-byte.subx.html b/html/subx/061read-byte.subx.html index a498af61..1c3eb8d8 100644 --- a/html/subx/061read-byte.subx.html +++ b/html/subx/061read-byte.subx.html @@ -76,13 +76,13 @@ if ('onhashchange' in window) { <span id="L13" class="LineNr"> 13 </span><span class="subxComment"># buffered-file.</span> <span id="L14" class="LineNr"> 14 </span><span class="SpecialChar">Stdin</span>: <span id="L15" class="LineNr"> 15 </span> <span class="subxComment"># file descriptor or (address stream)</span> -<span id="L16" class="LineNr"> 16 </span> 00 00 00 00 <span class="subxComment"># 0 = standard input</span> +<span id="L16" class="LineNr"> 16 </span> 0/imm32 <span class="subxComment"># standard input</span> <span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># current write index</span> -<span id="L18" class="LineNr"> 18 </span> 00 00 00 00 +<span id="L18" class="LineNr"> 18 </span> 0/imm32 <span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># current read index</span> -<span id="L20" class="LineNr"> 20 </span> 00 00 00 00 -<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># length (8)</span> -<span id="L22" class="LineNr"> 22 </span> 08 00 00 00 +<span id="L20" class="LineNr"> 20 </span> 0/imm32 +<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># length</span> +<span id="L22" class="LineNr"> 22 </span> 8/imm32 <span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># data</span> <span id="L24" class="LineNr"> 24 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> <span id="L25" class="LineNr"> 25 </span> @@ -94,275 +94,274 @@ if ('onhashchange' in window) { <span id="L31" class="LineNr"> 31 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L32" class="LineNr"> 32 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L33" class="LineNr"> 33 </span> -<span id="L34" class="LineNr"> 34 </span><span class="subxComment"># main:</span> -<span id="L35" class="LineNr"> 35 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L36" class="LineNr"> 36 </span><span class="CommentedCode">#? e8/call test-read-byte-multiple/disp32</span> -<span id="L37" class="LineNr"> 37 </span><span class="CommentedCode">#? e8/call test-read-byte-refills-buffer/disp32</span> -<span id="L38" class="LineNr"> 38 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L39" class="LineNr"> 39 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L40" class="LineNr"> 40 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L41" class="LineNr"> 41 </span> cd/syscall 0x80/imm8 -<span id="L42" class="LineNr"> 42 </span> -<span id="L43" class="LineNr"> 43 </span><span class="subxComment"># return next byte value in EAX, with top 3 bytes cleared.</span> -<span id="L44" class="LineNr"> 44 </span><span class="subxComment"># On EOF, return 0xffffffff.</span> -<span id="L45" class="LineNr"> 45 </span><span class="subxFunction">read-byte</span>: <span class="subxComment"># f : (address buffered-file) -> byte-or-eof/EAX</span> -<span id="L46" class="LineNr"> 46 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L47" class="LineNr"> 47 </span> 55/push-EBP -<span id="L48" class="LineNr"> 48 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L49" class="LineNr"> 49 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L50" class="LineNr"> 50 </span> 51/push-ECX -<span id="L51" class="LineNr"> 51 </span> 56/push-ESI -<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># ESI = f</span> -<span id="L53" class="LineNr"> 53 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L54" class="LineNr"> 54 </span> <span class="subxComment"># ECX = f->read</span> -<span id="L55" class="LineNr"> 55 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+8) to ECX</span> -<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># if (f->read >= f->write) populate stream from file</span> -<span id="L57" class="LineNr"> 57 </span> 3b/compare 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare ECX with *(ESI+4)</span> -<span id="L58" class="LineNr"> 58 </span> 7c/jump-if-lesser $read-byte:from-stream/disp8 -<span id="L59" class="LineNr"> 59 </span> <span class="subxS1Comment"># . clear-stream(stream = f+4)</span> -<span id="L60" class="LineNr"> 60 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L61" class="LineNr"> 61 </span> 8d/copy-address 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+4 to EAX</span> -<span id="L62" class="LineNr"> 62 </span> 50/push-EAX -<span id="L63" class="LineNr"> 63 </span> <span class="subxS2Comment"># . . call</span> -<span id="L64" class="LineNr"> 64 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L65" class="LineNr"> 65 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L66" class="LineNr"> 66 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L67" class="LineNr"> 67 </span> <span class="subxS1Comment"># . f->read must now be 0; update its cache at ECX</span> -<span id="L68" class="LineNr"> 68 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> -<span id="L69" class="LineNr"> 69 </span> <span class="subxS1Comment"># . EAX = read(f->fd, stream = f+4)</span> -<span id="L70" class="LineNr"> 70 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L71" class="LineNr"> 71 </span> 50/push-EAX -<span id="L72" class="LineNr"> 72 </span> ff 6/subop/push 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ESI</span> -<span id="L73" class="LineNr"> 73 </span> <span class="subxS2Comment"># . . call</span> -<span id="L74" class="LineNr"> 74 </span> e8/call <a href='060read.subx.html#L55'>read</a>/disp32 -<span id="L75" class="LineNr"> 75 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L76" class="LineNr"> 76 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># if (EAX == 0) return 0xffffffff</span> -<span id="L78" class="LineNr"> 78 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> -<span id="L79" class="LineNr"> 79 </span> 75/jump-if-not-equal $read-byte:from-stream/disp8 -<span id="L80" class="LineNr"> 80 </span> b8/copy-to-EAX 0xffffffff/imm32 -<span id="L81" class="LineNr"> 81 </span> eb/jump $read-byte:end/disp8 -<span id="L82" class="LineNr"> 82 </span><span class="Constant">$read-byte:from-stream</span>: -<span id="L83" class="LineNr"> 83 </span> <span class="subxComment"># read byte from stream</span> -<span id="L84" class="LineNr"> 84 </span> <span class="subxComment"># AL = f->data[f->read]</span> -<span id="L85" class="LineNr"> 85 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L86" class="LineNr"> 86 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+16) to AL</span> -<span id="L87" class="LineNr"> 87 </span> <span class="subxComment"># ++f->read</span> -<span id="L88" class="LineNr"> 88 </span> ff 0/subop/increment 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># increment *(ESI+8)</span> -<span id="L89" class="LineNr"> 89 </span><span class="Constant">$read-byte:end</span>: -<span id="L90" class="LineNr"> 90 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L91" class="LineNr"> 91 </span> 5e/pop-to-ESI -<span id="L92" class="LineNr"> 92 </span> 59/pop-to-ECX -<span id="L93" class="LineNr"> 93 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L94" class="LineNr"> 94 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L95" class="LineNr"> 95 </span> 5d/pop-to-EBP -<span id="L96" class="LineNr"> 96 </span> c3/return -<span id="L97" class="LineNr"> 97 </span> -<span id="L98" class="LineNr"> 98 </span><span class="subxH1Comment"># - tests</span> -<span id="L99" class="LineNr"> 99 </span> -<span id="L100" class="LineNr">100 </span><span class="subxTest">test-read-byte-single</span>: -<span id="L101" class="LineNr">101 </span> <span class="subxH1Comment"># - check that read-byte returns first byte of 'file'</span> -<span id="L102" class="LineNr">102 </span> <span class="subxComment"># setup</span> -<span id="L103" class="LineNr">103 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L104" class="LineNr">104 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L105" class="LineNr">105 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L106" class="LineNr">106 </span> <span class="subxS2Comment"># . . call</span> -<span id="L107" class="LineNr">107 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L108" class="LineNr">108 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L109" class="LineNr">109 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L110" class="LineNr">110 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L111" class="LineNr">111 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L112" class="LineNr">112 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L113" class="LineNr">113 </span> 05/add-to-EAX 4/imm32 -<span id="L114" class="LineNr">114 </span> 50/push-EAX -<span id="L115" class="LineNr">115 </span> <span class="subxS2Comment"># . . call</span> -<span id="L116" class="LineNr">116 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L117" class="LineNr">117 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L118" class="LineNr">118 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L119" class="LineNr">119 </span> <span class="subxS1Comment"># . write(_test-stream, "Ab")</span> -<span id="L120" class="LineNr">120 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L121" class="LineNr">121 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L122" class="LineNr">122 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L123" class="LineNr">123 </span> <span class="subxS2Comment"># . . call</span> -<span id="L124" class="LineNr">124 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L125" class="LineNr">125 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L126" class="LineNr">126 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L127" class="LineNr">127 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> -<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L129" class="LineNr">129 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L130" class="LineNr">130 </span> <span class="subxS2Comment"># . . call</span> -<span id="L131" class="LineNr">131 </span> e8/call <a href='061read-byte.subx.html#L45'>read-byte</a>/disp32 -<span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L133" class="LineNr">133 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L134" class="LineNr">134 </span> <span class="subxComment"># check-ints-equal(EAX, 'A', msg)</span> -<span id="L135" class="LineNr">135 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L136" class="LineNr">136 </span> 68/push <span class="Constant">"F - test-read-byte-single"</span>/imm32 -<span id="L137" class="LineNr">137 </span> 68/push 0x41/imm32 -<span id="L138" class="LineNr">138 </span> 50/push-EAX -<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . call</span> -<span id="L140" class="LineNr">140 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L141" class="LineNr">141 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L142" class="LineNr">142 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L143" class="LineNr">143 </span> <span class="subxS1Comment"># . end</span> -<span id="L144" class="LineNr">144 </span> c3/return -<span id="L145" class="LineNr">145 </span> -<span id="L146" class="LineNr">146 </span><span class="subxTest">test-read-byte-multiple</span>: -<span id="L147" class="LineNr">147 </span> <span class="subxH1Comment"># - call read-byte twice, check that second call returns second byte</span> -<span id="L148" class="LineNr">148 </span> <span class="subxComment"># setup</span> -<span id="L149" class="LineNr">149 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L151" class="LineNr">151 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L152" class="LineNr">152 </span> <span class="subxS2Comment"># . . call</span> -<span id="L153" class="LineNr">153 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L155" class="LineNr">155 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L156" class="LineNr">156 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L158" class="LineNr">158 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L159" class="LineNr">159 </span> 05/add-to-EAX 4/imm32 -<span id="L160" class="LineNr">160 </span> 50/push-EAX -<span id="L161" class="LineNr">161 </span> <span class="subxS2Comment"># . . call</span> -<span id="L162" class="LineNr">162 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L163" class="LineNr">163 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L164" class="LineNr">164 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L165" class="LineNr">165 </span> <span class="subxS1Comment"># . write(_test-stream, "Ab")</span> -<span id="L166" class="LineNr">166 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L167" class="LineNr">167 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L168" class="LineNr">168 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L169" class="LineNr">169 </span> <span class="subxS2Comment"># . . call</span> -<span id="L170" class="LineNr">170 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L171" class="LineNr">171 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L172" class="LineNr">172 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L173" class="LineNr">173 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> -<span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L175" class="LineNr">175 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . call</span> -<span id="L177" class="LineNr">177 </span> e8/call <a href='061read-byte.subx.html#L45'>read-byte</a>/disp32 -<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L179" class="LineNr">179 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L180" class="LineNr">180 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> -<span id="L181" class="LineNr">181 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L182" class="LineNr">182 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L183" class="LineNr">183 </span> <span class="subxS2Comment"># . . call</span> -<span id="L184" class="LineNr">184 </span> e8/call <a href='061read-byte.subx.html#L45'>read-byte</a>/disp32 -<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L186" class="LineNr">186 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L187" class="LineNr">187 </span> <span class="subxComment"># check-ints-equal(EAX, 'b', msg)</span> -<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L189" class="LineNr">189 </span> 68/push <span class="Constant">"F - test-read-byte-multiple"</span>/imm32 -<span id="L190" class="LineNr">190 </span> 68/push 0x62/imm32 -<span id="L191" class="LineNr">191 </span> 50/push-EAX -<span id="L192" class="LineNr">192 </span> <span class="subxS2Comment"># . . call</span> -<span id="L193" class="LineNr">193 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L195" class="LineNr">195 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L196" class="LineNr">196 </span> <span class="subxS1Comment"># . end</span> -<span id="L197" class="LineNr">197 </span> c3/return -<span id="L198" class="LineNr">198 </span> -<span id="L199" class="LineNr">199 </span><span class="subxTest">test-read-byte-end-of-file</span>: -<span id="L200" class="LineNr">200 </span> <span class="subxH1Comment"># - call read-byte on an empty 'file', check that it returns 0xffffffff</span> -<span id="L201" class="LineNr">201 </span> <span class="subxComment"># setup</span> -<span id="L202" class="LineNr">202 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L203" class="LineNr">203 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L204" class="LineNr">204 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L205" class="LineNr">205 </span> <span class="subxS2Comment"># . . call</span> -<span id="L206" class="LineNr">206 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L207" class="LineNr">207 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L208" class="LineNr">208 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L209" class="LineNr">209 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L210" class="LineNr">210 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L211" class="LineNr">211 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L212" class="LineNr">212 </span> 05/add-to-EAX 4/imm32 -<span id="L213" class="LineNr">213 </span> 50/push-EAX -<span id="L214" class="LineNr">214 </span> <span class="subxS2Comment"># . . call</span> -<span id="L215" class="LineNr">215 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L216" class="LineNr">216 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L217" class="LineNr">217 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L218" class="LineNr">218 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> -<span id="L219" class="LineNr">219 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L220" class="LineNr">220 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L221" class="LineNr">221 </span> <span class="subxS2Comment"># . . call</span> -<span id="L222" class="LineNr">222 </span> e8/call <a href='061read-byte.subx.html#L45'>read-byte</a>/disp32 -<span id="L223" class="LineNr">223 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L224" class="LineNr">224 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L225" class="LineNr">225 </span> <span class="subxComment"># check-ints-equal(EAX, 0xffffffff, msg)</span> -<span id="L226" class="LineNr">226 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L227" class="LineNr">227 </span> 68/push <span class="Constant">"F - test-read-byte-end-of-file"</span>/imm32 -<span id="L228" class="LineNr">228 </span> 68/push 0xffffffff/imm32 -<span id="L229" class="LineNr">229 </span> 50/push-EAX -<span id="L230" class="LineNr">230 </span> <span class="subxS2Comment"># . . call</span> -<span id="L231" class="LineNr">231 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L232" class="LineNr">232 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L233" class="LineNr">233 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L234" class="LineNr">234 </span> <span class="subxS1Comment"># . end</span> -<span id="L235" class="LineNr">235 </span> c3/return -<span id="L236" class="LineNr">236 </span> -<span id="L237" class="LineNr">237 </span><span class="subxTest">test-read-byte-refills-buffer</span>: -<span id="L238" class="LineNr">238 </span> <span class="subxH1Comment"># - consume buffered-file's buffer, check that next read-byte still works</span> -<span id="L239" class="LineNr">239 </span> <span class="subxComment"># setup</span> -<span id="L240" class="LineNr">240 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L241" class="LineNr">241 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L242" class="LineNr">242 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L243" class="LineNr">243 </span> <span class="subxS2Comment"># . . call</span> -<span id="L244" class="LineNr">244 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L245" class="LineNr">245 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L246" class="LineNr">246 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L247" class="LineNr">247 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L248" class="LineNr">248 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L249" class="LineNr">249 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L250" class="LineNr">250 </span> 05/add-to-EAX 4/imm32 -<span id="L251" class="LineNr">251 </span> 50/push-EAX -<span id="L252" class="LineNr">252 </span> <span class="subxS2Comment"># . . call</span> -<span id="L253" class="LineNr">253 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L254" class="LineNr">254 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L255" class="LineNr">255 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L256" class="LineNr">256 </span> <span class="subxS1Comment"># . write(_test-stream, "Abcdefgh")</span> -<span id="L257" class="LineNr">257 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L258" class="LineNr">258 </span> 68/push <span class="Constant">"Abcdefgh"</span>/imm32 -<span id="L259" class="LineNr">259 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L260" class="LineNr">260 </span> <span class="subxS2Comment"># . . call</span> -<span id="L261" class="LineNr">261 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L262" class="LineNr">262 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L263" class="LineNr">263 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L264" class="LineNr">264 </span> <span class="subxComment"># pretend buffer is full</span> -<span id="L265" class="LineNr">265 </span> <span class="subxS1Comment"># . _test-buffered-file->read = 6 # >= _test-buffered-file->length</span> -<span id="L266" class="LineNr">266 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L267" class="LineNr">267 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 6/imm32 <span class="subxComment"># copy to *(EAX+8)</span> -<span id="L268" class="LineNr">268 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> -<span id="L269" class="LineNr">269 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L270" class="LineNr">270 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L271" class="LineNr">271 </span> <span class="subxS2Comment"># . . call</span> -<span id="L272" class="LineNr">272 </span> e8/call <a href='061read-byte.subx.html#L45'>read-byte</a>/disp32 -<span id="L273" class="LineNr">273 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L274" class="LineNr">274 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L275" class="LineNr">275 </span> <span class="subxComment"># check-ints-equal(EAX, 'A', msg)</span> -<span id="L276" class="LineNr">276 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L277" class="LineNr">277 </span> 68/push <span class="Constant">"F - test-read-byte-refills-buffer"</span>/imm32 -<span id="L278" class="LineNr">278 </span> 68/push 0x41/imm32 -<span id="L279" class="LineNr">279 </span> 50/push-EAX -<span id="L280" class="LineNr">280 </span> <span class="subxS2Comment"># . . call</span> -<span id="L281" class="LineNr">281 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L282" class="LineNr">282 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L283" class="LineNr">283 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L284" class="LineNr">284 </span> <span class="subxS1Comment"># . end</span> -<span id="L285" class="LineNr">285 </span> c3/return -<span id="L286" class="LineNr">286 </span> -<span id="L287" class="LineNr">287 </span>== data -<span id="L288" class="LineNr">288 </span> -<span id="L289" class="LineNr">289 </span><span class="subxComment"># a test buffered file for _test-stream</span> -<span id="L290" class="LineNr">290 </span><span class="subxMinorFunction">_test-buffered-file</span>: -<span id="L291" class="LineNr">291 </span> <span class="subxComment"># file descriptor or (address stream)</span> -<span id="L292" class="LineNr">292 </span> <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L293" class="LineNr">293 </span> <span class="subxComment"># current write index</span> -<span id="L294" class="LineNr">294 </span> 00 00 00 00 -<span id="L295" class="LineNr">295 </span> <span class="subxComment"># current read index</span> -<span id="L296" class="LineNr">296 </span> 00 00 00 00 -<span id="L297" class="LineNr">297 </span> <span class="subxComment"># length (6)</span> -<span id="L298" class="LineNr">298 </span> 06 00 00 00 -<span id="L299" class="LineNr">299 </span> <span class="subxComment"># data</span> -<span id="L300" class="LineNr">300 </span> 00 00 00 00 00 00 <span class="subxComment"># 6 bytes</span> -<span id="L301" class="LineNr">301 </span> -<span id="L302" class="LineNr">302 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L34" class="LineNr"> 34 </span><span class="CommentedCode">#? Entry: # run a single test, while debugging</span> +<span id="L35" class="LineNr"> 35 </span><span class="CommentedCode">#? e8/call test-read-byte-multiple/disp32</span> +<span id="L36" class="LineNr"> 36 </span><span class="CommentedCode">#? e8/call test-read-byte-refills-buffer/disp32</span> +<span id="L37" class="LineNr"> 37 </span><span class="CommentedCode">#? # syscall(exit, Num-test-failures)</span> +<span id="L38" class="LineNr"> 38 </span><span class="CommentedCode">#? 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX</span> +<span id="L39" class="LineNr"> 39 </span><span class="CommentedCode">#? b8/copy-to-EAX 1/imm32/exit</span> +<span id="L40" class="LineNr"> 40 </span><span class="CommentedCode">#? cd/syscall 0x80/imm8</span> +<span id="L41" class="LineNr"> 41 </span> +<span id="L42" class="LineNr"> 42 </span><span class="subxComment"># return next byte value in EAX, with top 3 bytes cleared.</span> +<span id="L43" class="LineNr"> 43 </span><span class="subxComment"># On EOF, return 0xffffffff.</span> +<span id="L44" class="LineNr"> 44 </span><span class="subxFunction">read-byte</span>: <span class="subxComment"># f : (address buffered-file) -> byte-or-eof/EAX</span> +<span id="L45" class="LineNr"> 45 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L46" class="LineNr"> 46 </span> 55/push-EBP +<span id="L47" class="LineNr"> 47 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L48" class="LineNr"> 48 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L49" class="LineNr"> 49 </span> 51/push-ECX +<span id="L50" class="LineNr"> 50 </span> 56/push-ESI +<span id="L51" class="LineNr"> 51 </span> <span class="subxComment"># ESI = f</span> +<span id="L52" class="LineNr"> 52 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L53" class="LineNr"> 53 </span> <span class="subxComment"># ECX = f->read</span> +<span id="L54" class="LineNr"> 54 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+8) to ECX</span> +<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># if (f->read >= f->write) populate stream from file</span> +<span id="L56" class="LineNr"> 56 </span> 3b/compare 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare ECX with *(ESI+4)</span> +<span id="L57" class="LineNr"> 57 </span> 7c/jump-if-lesser $read-byte:from-stream/disp8 +<span id="L58" class="LineNr"> 58 </span> <span class="subxS1Comment"># . clear-stream(stream = f+4)</span> +<span id="L59" class="LineNr"> 59 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L60" class="LineNr"> 60 </span> 8d/copy-address 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+4 to EAX</span> +<span id="L61" class="LineNr"> 61 </span> 50/push-EAX +<span id="L62" class="LineNr"> 62 </span> <span class="subxS2Comment"># . . call</span> +<span id="L63" class="LineNr"> 63 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L64" class="LineNr"> 64 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L65" class="LineNr"> 65 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxS1Comment"># . f->read must now be 0; update its cache at ECX</span> +<span id="L67" class="LineNr"> 67 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> +<span id="L68" class="LineNr"> 68 </span> <span class="subxS1Comment"># . EAX = read(f->fd, stream = f+4)</span> +<span id="L69" class="LineNr"> 69 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L70" class="LineNr"> 70 </span> 50/push-EAX +<span id="L71" class="LineNr"> 71 </span> ff 6/subop/push 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ESI</span> +<span id="L72" class="LineNr"> 72 </span> <span class="subxS2Comment"># . . call</span> +<span id="L73" class="LineNr"> 73 </span> e8/call <a href='060read.subx.html#L48'>read</a>/disp32 +<span id="L74" class="LineNr"> 74 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L75" class="LineNr"> 75 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L76" class="LineNr"> 76 </span> <span class="subxComment"># if (EAX == 0) return 0xffffffff</span> +<span id="L77" class="LineNr"> 77 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> +<span id="L78" class="LineNr"> 78 </span> 75/jump-if-not-equal $read-byte:from-stream/disp8 +<span id="L79" class="LineNr"> 79 </span> b8/copy-to-EAX 0xffffffff/imm32 +<span id="L80" class="LineNr"> 80 </span> eb/jump $read-byte:end/disp8 +<span id="L81" class="LineNr"> 81 </span><span class="Constant">$read-byte:from-stream</span>: +<span id="L82" class="LineNr"> 82 </span> <span class="subxComment"># read byte from stream</span> +<span id="L83" class="LineNr"> 83 </span> <span class="subxComment"># AL = f->data[f->read]</span> +<span id="L84" class="LineNr"> 84 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L85" class="LineNr"> 85 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+16) to AL</span> +<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># ++f->read</span> +<span id="L87" class="LineNr"> 87 </span> ff 0/subop/increment 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># increment *(ESI+8)</span> +<span id="L88" class="LineNr"> 88 </span><span class="Constant">$read-byte:end</span>: +<span id="L89" class="LineNr"> 89 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L90" class="LineNr"> 90 </span> 5e/pop-to-ESI +<span id="L91" class="LineNr"> 91 </span> 59/pop-to-ECX +<span id="L92" class="LineNr"> 92 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L93" class="LineNr"> 93 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L94" class="LineNr"> 94 </span> 5d/pop-to-EBP +<span id="L95" class="LineNr"> 95 </span> c3/return +<span id="L96" class="LineNr"> 96 </span> +<span id="L97" class="LineNr"> 97 </span><span class="subxH1Comment"># - tests</span> +<span id="L98" class="LineNr"> 98 </span> +<span id="L99" class="LineNr"> 99 </span><span class="subxTest">test-read-byte-single</span>: +<span id="L100" class="LineNr">100 </span> <span class="subxH1Comment"># - check that read-byte returns first byte of 'file'</span> +<span id="L101" class="LineNr">101 </span> <span class="subxComment"># setup</span> +<span id="L102" class="LineNr">102 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L104" class="LineNr">104 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . call</span> +<span id="L106" class="LineNr">106 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L108" class="LineNr">108 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L109" class="LineNr">109 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L111" class="LineNr">111 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L112" class="LineNr">112 </span> 05/add-to-EAX 4/imm32 +<span id="L113" class="LineNr">113 </span> 50/push-EAX +<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . call</span> +<span id="L115" class="LineNr">115 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L116" class="LineNr">116 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L117" class="LineNr">117 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L118" class="LineNr">118 </span> <span class="subxS1Comment"># . write(_test-stream, "Ab")</span> +<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L120" class="LineNr">120 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L121" class="LineNr">121 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L122" class="LineNr">122 </span> <span class="subxS2Comment"># . . call</span> +<span id="L123" class="LineNr">123 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L125" class="LineNr">125 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L126" class="LineNr">126 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> +<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L128" class="LineNr">128 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L129" class="LineNr">129 </span> <span class="subxS2Comment"># . . call</span> +<span id="L130" class="LineNr">130 </span> e8/call <a href='061read-byte.subx.html#L44'>read-byte</a>/disp32 +<span id="L131" class="LineNr">131 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L132" class="LineNr">132 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L133" class="LineNr">133 </span> <span class="subxComment"># check-ints-equal(EAX, 'A', msg)</span> +<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L135" class="LineNr">135 </span> 68/push <span class="Constant">"F - test-read-byte-single"</span>/imm32 +<span id="L136" class="LineNr">136 </span> 68/push 0x41/imm32 +<span id="L137" class="LineNr">137 </span> 50/push-EAX +<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . call</span> +<span id="L139" class="LineNr">139 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L140" class="LineNr">140 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L141" class="LineNr">141 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L142" class="LineNr">142 </span> <span class="subxS1Comment"># . end</span> +<span id="L143" class="LineNr">143 </span> c3/return +<span id="L144" class="LineNr">144 </span> +<span id="L145" class="LineNr">145 </span><span class="subxTest">test-read-byte-multiple</span>: +<span id="L146" class="LineNr">146 </span> <span class="subxH1Comment"># - call read-byte twice, check that second call returns second byte</span> +<span id="L147" class="LineNr">147 </span> <span class="subxComment"># setup</span> +<span id="L148" class="LineNr">148 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L149" class="LineNr">149 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L150" class="LineNr">150 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L151" class="LineNr">151 </span> <span class="subxS2Comment"># . . call</span> +<span id="L152" class="LineNr">152 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L153" class="LineNr">153 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L154" class="LineNr">154 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L155" class="LineNr">155 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L157" class="LineNr">157 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L158" class="LineNr">158 </span> 05/add-to-EAX 4/imm32 +<span id="L159" class="LineNr">159 </span> 50/push-EAX +<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . call</span> +<span id="L161" class="LineNr">161 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L162" class="LineNr">162 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L163" class="LineNr">163 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . write(_test-stream, "Ab")</span> +<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L166" class="LineNr">166 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L167" class="LineNr">167 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . call</span> +<span id="L169" class="LineNr">169 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L170" class="LineNr">170 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L171" class="LineNr">171 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L172" class="LineNr">172 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> +<span id="L173" class="LineNr">173 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L174" class="LineNr">174 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L175" class="LineNr">175 </span> <span class="subxS2Comment"># . . call</span> +<span id="L176" class="LineNr">176 </span> e8/call <a href='061read-byte.subx.html#L44'>read-byte</a>/disp32 +<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L178" class="LineNr">178 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L179" class="LineNr">179 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> +<span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L181" class="LineNr">181 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L182" class="LineNr">182 </span> <span class="subxS2Comment"># . . call</span> +<span id="L183" class="LineNr">183 </span> e8/call <a href='061read-byte.subx.html#L44'>read-byte</a>/disp32 +<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L185" class="LineNr">185 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L186" class="LineNr">186 </span> <span class="subxComment"># check-ints-equal(EAX, 'b', msg)</span> +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L188" class="LineNr">188 </span> 68/push <span class="Constant">"F - test-read-byte-multiple"</span>/imm32 +<span id="L189" class="LineNr">189 </span> 68/push 0x62/imm32 +<span id="L190" class="LineNr">190 </span> 50/push-EAX +<span id="L191" class="LineNr">191 </span> <span class="subxS2Comment"># . . call</span> +<span id="L192" class="LineNr">192 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L193" class="LineNr">193 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L194" class="LineNr">194 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L195" class="LineNr">195 </span> <span class="subxS1Comment"># . end</span> +<span id="L196" class="LineNr">196 </span> c3/return +<span id="L197" class="LineNr">197 </span> +<span id="L198" class="LineNr">198 </span><span class="subxTest">test-read-byte-end-of-file</span>: +<span id="L199" class="LineNr">199 </span> <span class="subxH1Comment"># - call read-byte on an empty 'file', check that it returns 0xffffffff</span> +<span id="L200" class="LineNr">200 </span> <span class="subxComment"># setup</span> +<span id="L201" class="LineNr">201 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L203" class="LineNr">203 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . call</span> +<span id="L205" class="LineNr">205 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L206" class="LineNr">206 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L207" class="LineNr">207 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L208" class="LineNr">208 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L209" class="LineNr">209 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L210" class="LineNr">210 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L211" class="LineNr">211 </span> 05/add-to-EAX 4/imm32 +<span id="L212" class="LineNr">212 </span> 50/push-EAX +<span id="L213" class="LineNr">213 </span> <span class="subxS2Comment"># . . call</span> +<span id="L214" class="LineNr">214 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L215" class="LineNr">215 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L216" class="LineNr">216 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L217" class="LineNr">217 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> +<span id="L218" class="LineNr">218 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L219" class="LineNr">219 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L220" class="LineNr">220 </span> <span class="subxS2Comment"># . . call</span> +<span id="L221" class="LineNr">221 </span> e8/call <a href='061read-byte.subx.html#L44'>read-byte</a>/disp32 +<span id="L222" class="LineNr">222 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L223" class="LineNr">223 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L224" class="LineNr">224 </span> <span class="subxComment"># check-ints-equal(EAX, 0xffffffff, msg)</span> +<span id="L225" class="LineNr">225 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L226" class="LineNr">226 </span> 68/push <span class="Constant">"F - test-read-byte-end-of-file"</span>/imm32 +<span id="L227" class="LineNr">227 </span> 68/push 0xffffffff/imm32 +<span id="L228" class="LineNr">228 </span> 50/push-EAX +<span id="L229" class="LineNr">229 </span> <span class="subxS2Comment"># . . call</span> +<span id="L230" class="LineNr">230 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L231" class="LineNr">231 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L232" class="LineNr">232 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L233" class="LineNr">233 </span> <span class="subxS1Comment"># . end</span> +<span id="L234" class="LineNr">234 </span> c3/return +<span id="L235" class="LineNr">235 </span> +<span id="L236" class="LineNr">236 </span><span class="subxTest">test-read-byte-refills-buffer</span>: +<span id="L237" class="LineNr">237 </span> <span class="subxH1Comment"># - consume buffered-file's buffer, check that next read-byte still works</span> +<span id="L238" class="LineNr">238 </span> <span class="subxComment"># setup</span> +<span id="L239" class="LineNr">239 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L240" class="LineNr">240 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L241" class="LineNr">241 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L242" class="LineNr">242 </span> <span class="subxS2Comment"># . . call</span> +<span id="L243" class="LineNr">243 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L244" class="LineNr">244 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L245" class="LineNr">245 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L246" class="LineNr">246 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L247" class="LineNr">247 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L248" class="LineNr">248 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L249" class="LineNr">249 </span> 05/add-to-EAX 4/imm32 +<span id="L250" class="LineNr">250 </span> 50/push-EAX +<span id="L251" class="LineNr">251 </span> <span class="subxS2Comment"># . . call</span> +<span id="L252" class="LineNr">252 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L253" class="LineNr">253 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L254" class="LineNr">254 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L255" class="LineNr">255 </span> <span class="subxS1Comment"># . write(_test-stream, "Abcdefgh")</span> +<span id="L256" class="LineNr">256 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L257" class="LineNr">257 </span> 68/push <span class="Constant">"Abcdefgh"</span>/imm32 +<span id="L258" class="LineNr">258 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L259" class="LineNr">259 </span> <span class="subxS2Comment"># . . call</span> +<span id="L260" class="LineNr">260 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L261" class="LineNr">261 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L262" class="LineNr">262 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L263" class="LineNr">263 </span> <span class="subxComment"># pretend buffer is full</span> +<span id="L264" class="LineNr">264 </span> <span class="subxS1Comment"># . _test-buffered-file->read = 6 # >= _test-buffered-file->length</span> +<span id="L265" class="LineNr">265 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L266" class="LineNr">266 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 6/imm32 <span class="subxComment"># copy to *(EAX+8)</span> +<span id="L267" class="LineNr">267 </span> <span class="subxComment"># read-byte(_test-buffered-file)</span> +<span id="L268" class="LineNr">268 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L269" class="LineNr">269 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L270" class="LineNr">270 </span> <span class="subxS2Comment"># . . call</span> +<span id="L271" class="LineNr">271 </span> e8/call <a href='061read-byte.subx.html#L44'>read-byte</a>/disp32 +<span id="L272" class="LineNr">272 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L273" class="LineNr">273 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L274" class="LineNr">274 </span> <span class="subxComment"># check-ints-equal(EAX, 'A', msg)</span> +<span id="L275" class="LineNr">275 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L276" class="LineNr">276 </span> 68/push <span class="Constant">"F - test-read-byte-refills-buffer"</span>/imm32 +<span id="L277" class="LineNr">277 </span> 68/push 0x41/imm32 +<span id="L278" class="LineNr">278 </span> 50/push-EAX +<span id="L279" class="LineNr">279 </span> <span class="subxS2Comment"># . . call</span> +<span id="L280" class="LineNr">280 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L281" class="LineNr">281 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L282" class="LineNr">282 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L283" class="LineNr">283 </span> <span class="subxS1Comment"># . end</span> +<span id="L284" class="LineNr">284 </span> c3/return +<span id="L285" class="LineNr">285 </span> +<span id="L286" class="LineNr">286 </span>== data +<span id="L287" class="LineNr">287 </span> +<span id="L288" class="LineNr">288 </span><span class="subxComment"># a test buffered file for _test-stream</span> +<span id="L289" class="LineNr">289 </span><span class="subxMinorFunction">_test-buffered-file</span>: +<span id="L290" class="LineNr">290 </span> <span class="subxComment"># file descriptor or (address stream)</span> +<span id="L291" class="LineNr">291 </span> <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L292" class="LineNr">292 </span> <span class="subxComment"># current write index</span> +<span id="L293" class="LineNr">293 </span> 0/imm32 +<span id="L294" class="LineNr">294 </span> <span class="subxComment"># current read index</span> +<span id="L295" class="LineNr">295 </span> 0/imm32 +<span id="L296" class="LineNr">296 </span> <span class="subxComment"># length</span> +<span id="L297" class="LineNr">297 </span> 6/imm32 +<span id="L298" class="LineNr">298 </span> <span class="subxComment"># data</span> +<span id="L299" class="LineNr">299 </span> 00 00 00 00 00 00 <span class="subxComment"># 6 bytes</span> +<span id="L300" class="LineNr">300 </span> +<span id="L301" class="LineNr">301 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/062write-stream.subx.html b/html/subx/062write-stream.subx.html index 7675f66f..44bff547 100644 --- a/html/subx/062write-stream.subx.html +++ b/html/subx/062write-stream.subx.html @@ -24,7 +24,6 @@ a { color:inherit; } .subxTest { color: #5f8700; } .Constant { color: #008787; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } -.SpecialChar { color: #d70000; } --> </style> @@ -67,238 +66,234 @@ if ('onhashchange' in window) { <span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L7" class="LineNr"> 7 </span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># main:</span> -<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># manual test</span> -<span id="L10" class="LineNr"> 10 </span><span class="CommentedCode">#? # write-stream(stdout, _test-stream2)</span> -<span id="L11" class="LineNr"> 11 </span><span class="CommentedCode">#? 68/push _test-stream2/imm32</span> -<span id="L12" class="LineNr"> 12 </span><span class="CommentedCode">#? 68/push 1/imm32/stdout</span> -<span id="L13" class="LineNr"> 13 </span><span class="CommentedCode">#? e8/call write-stream/disp32</span> -<span id="L14" class="LineNr"> 14 </span> <span class="subxComment"># automatic test</span> -<span id="L15" class="LineNr"> 15 </span><span class="CommentedCode">#? e8/call test-write-stream-single/disp32</span> -<span id="L16" class="LineNr"> 16 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L18" class="LineNr"> 18 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L19" class="LineNr"> 19 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L20" class="LineNr"> 20 </span> cd/syscall 0x80/imm8 -<span id="L21" class="LineNr"> 21 </span> -<span id="L22" class="LineNr"> 22 </span><span class="subxFunction">write-stream</span>: <span class="subxComment"># f : fd or (address stream), s : (address stream) -> <void></span> -<span id="L23" class="LineNr"> 23 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L24" class="LineNr"> 24 </span> 55/push-EBP -<span id="L25" class="LineNr"> 25 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># if (f < 0x08000000) _write-stream(f, s), return # f can't be a user-mode address, so treat it as a kernel file descriptor</span> -<span id="L27" class="LineNr"> 27 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x08000000/imm32 <span class="subxComment"># compare *(EBP+8)</span> -<span id="L28" class="LineNr"> 28 </span> 7d/jump-if-greater-or-equal $write-stream:fake/disp8 -<span id="L29" class="LineNr"> 29 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L30" class="LineNr"> 30 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L31" class="LineNr"> 31 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L32" class="LineNr"> 32 </span> <span class="subxS2Comment"># . . call</span> -<span id="L33" class="LineNr"> 33 </span> e8/call <a href='062write-stream.subx.html#L82'>_write-stream</a>/disp32 -<span id="L34" class="LineNr"> 34 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L35" class="LineNr"> 35 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L36" class="LineNr"> 36 </span> eb/jump $write-stream:end/disp8 -<span id="L37" class="LineNr"> 37 </span><span class="Constant">$write-stream:fake</span>: -<span id="L38" class="LineNr"> 38 </span> <span class="subxComment"># otherwise, treat 'f' as a stream to append to</span> -<span id="L39" class="LineNr"> 39 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L40" class="LineNr"> 40 </span> 50/push-EAX -<span id="L41" class="LineNr"> 41 </span> 56/push-ESI -<span id="L42" class="LineNr"> 42 </span> 57/push-EDI -<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># EDI = f</span> -<span id="L44" class="LineNr"> 44 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> -<span id="L45" class="LineNr"> 45 </span> <span class="subxComment"># ESI = s</span> -<span id="L46" class="LineNr"> 46 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> -<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># EAX = _append-4(&f->data[f->write], &f->data[f->length], &s->data[s->read], &s->data[s->write])</span> -<span id="L48" class="LineNr"> 48 </span> <span class="subxS2Comment"># . . push &s->data[s->write]</span> -<span id="L49" class="LineNr"> 49 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EAX</span> +<span id="L8" class="LineNr"> 8 </span><span class="CommentedCode">#? Entry: # manual test</span> +<span id="L9" class="LineNr"> 9 </span><span class="CommentedCode">#? # write-stream(stdout, _test-stream2)</span> +<span id="L10" class="LineNr"> 10 </span><span class="CommentedCode">#? 68/push _test-stream2/imm32</span> +<span id="L11" class="LineNr"> 11 </span><span class="CommentedCode">#? 68/push 1/imm32/stdout</span> +<span id="L12" class="LineNr"> 12 </span><span class="CommentedCode">#? e8/call write-stream/disp32</span> +<span id="L13" class="LineNr"> 13 </span><span class="CommentedCode">#? # syscall(exit, Num-test-failures)</span> +<span id="L14" class="LineNr"> 14 </span><span class="CommentedCode">#? 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX</span> +<span id="L15" class="LineNr"> 15 </span><span class="CommentedCode">#? b8/copy-to-EAX 1/imm32/exit</span> +<span id="L16" class="LineNr"> 16 </span><span class="CommentedCode">#? cd/syscall 0x80/imm8</span> +<span id="L17" class="LineNr"> 17 </span> +<span id="L18" class="LineNr"> 18 </span><span class="subxFunction">write-stream</span>: <span class="subxComment"># f : fd or (address stream), s : (address stream) -> <void></span> +<span id="L19" class="LineNr"> 19 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L20" class="LineNr"> 20 </span> 55/push-EBP +<span id="L21" class="LineNr"> 21 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># if (f < 0x08000000) _write-stream(f, s), return # f can't be a user-mode address, so treat it as a kernel file descriptor</span> +<span id="L23" class="LineNr"> 23 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x08000000/imm32 <span class="subxComment"># compare *(EBP+8)</span> +<span id="L24" class="LineNr"> 24 </span> 7d/jump-if-greater-or-equal $write-stream:fake/disp8 +<span id="L25" class="LineNr"> 25 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L26" class="LineNr"> 26 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L27" class="LineNr"> 27 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L28" class="LineNr"> 28 </span> <span class="subxS2Comment"># . . call</span> +<span id="L29" class="LineNr"> 29 </span> e8/call <a href='062write-stream.subx.html#L78'>_write-stream</a>/disp32 +<span id="L30" class="LineNr"> 30 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L31" class="LineNr"> 31 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L32" class="LineNr"> 32 </span> eb/jump $write-stream:end/disp8 +<span id="L33" class="LineNr"> 33 </span><span class="Constant">$write-stream:fake</span>: +<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># otherwise, treat 'f' as a stream to append to</span> +<span id="L35" class="LineNr"> 35 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L36" class="LineNr"> 36 </span> 50/push-EAX +<span id="L37" class="LineNr"> 37 </span> 56/push-ESI +<span id="L38" class="LineNr"> 38 </span> 57/push-EDI +<span id="L39" class="LineNr"> 39 </span> <span class="subxComment"># EDI = f</span> +<span id="L40" class="LineNr"> 40 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># ESI = s</span> +<span id="L42" class="LineNr"> 42 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> +<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># EAX = _append-4(&f->data[f->write], &f->data[f->length], &s->data[s->read], &s->data[s->write])</span> +<span id="L44" class="LineNr"> 44 </span> <span class="subxS2Comment"># . . push &s->data[s->write]</span> +<span id="L45" class="LineNr"> 45 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EAX</span> +<span id="L46" class="LineNr"> 46 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to EAX</span> +<span id="L47" class="LineNr"> 47 </span> 50/push-EAX +<span id="L48" class="LineNr"> 48 </span> <span class="subxS2Comment"># . . push &s->data[s->read]</span> +<span id="L49" class="LineNr"> 49 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to EAX</span> <span id="L50" class="LineNr"> 50 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to EAX</span> <span id="L51" class="LineNr"> 51 </span> 50/push-EAX -<span id="L52" class="LineNr"> 52 </span> <span class="subxS2Comment"># . . push &s->data[s->read]</span> -<span id="L53" class="LineNr"> 53 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to EAX</span> -<span id="L54" class="LineNr"> 54 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to EAX</span> +<span id="L52" class="LineNr"> 52 </span> <span class="subxS2Comment"># . . push &f->data[f->length]</span> +<span id="L53" class="LineNr"> 53 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+8) to EAX</span> +<span id="L54" class="LineNr"> 54 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+EAX+12 to EAX</span> <span id="L55" class="LineNr"> 55 </span> 50/push-EAX -<span id="L56" class="LineNr"> 56 </span> <span class="subxS2Comment"># . . push &f->data[f->length]</span> -<span id="L57" class="LineNr"> 57 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+8) to EAX</span> +<span id="L56" class="LineNr"> 56 </span> <span class="subxS2Comment"># . . push &f->data[f->write]</span> +<span id="L57" class="LineNr"> 57 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to EAX</span> <span id="L58" class="LineNr"> 58 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+EAX+12 to EAX</span> <span id="L59" class="LineNr"> 59 </span> 50/push-EAX -<span id="L60" class="LineNr"> 60 </span> <span class="subxS2Comment"># . . push &f->data[f->write]</span> -<span id="L61" class="LineNr"> 61 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to EAX</span> -<span id="L62" class="LineNr"> 62 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+EAX+12 to EAX</span> -<span id="L63" class="LineNr"> 63 </span> 50/push-EAX -<span id="L64" class="LineNr"> 64 </span> <span class="subxS2Comment"># . . call</span> -<span id="L65" class="LineNr"> 65 </span> e8/call <a href='056trace.subx.html#L309'>_append-4</a>/disp32 -<span id="L66" class="LineNr"> 66 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L67" class="LineNr"> 67 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># f->write += EAX</span> -<span id="L69" class="LineNr"> 69 </span> 01/add 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to *EDI</span> -<span id="L70" class="LineNr"> 70 </span> <span class="subxComment"># s->read += EAX</span> -<span id="L71" class="LineNr"> 71 </span> 01/add 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># add EAX to *(ESI+4)</span> -<span id="L72" class="LineNr"> 72 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L73" class="LineNr"> 73 </span> 5f/pop-to-EDI -<span id="L74" class="LineNr"> 74 </span> 5e/pop-to-ESI -<span id="L75" class="LineNr"> 75 </span> 58/pop-to-EAX -<span id="L76" class="LineNr"> 76 </span><span class="Constant">$write-stream:end</span>: -<span id="L77" class="LineNr"> 77 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L78" class="LineNr"> 78 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L79" class="LineNr"> 79 </span> 5d/pop-to-EBP -<span id="L80" class="LineNr"> 80 </span> c3/return -<span id="L81" class="LineNr"> 81 </span> -<span id="L82" class="LineNr"> 82 </span><span class="subxMinorFunction">_write-stream</span>: <span class="subxComment"># fd : int, s : (address stream) -> <void></span> -<span id="L83" class="LineNr"> 83 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L84" class="LineNr"> 84 </span> 55/push-EBP -<span id="L85" class="LineNr"> 85 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L86" class="LineNr"> 86 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L87" class="LineNr"> 87 </span> 50/push-EAX -<span id="L88" class="LineNr"> 88 </span> 51/push-ECX -<span id="L89" class="LineNr"> 89 </span> 52/push-EDX -<span id="L90" class="LineNr"> 90 </span> 53/push-EBX -<span id="L91" class="LineNr"> 91 </span> 56/push-ESI -<span id="L92" class="LineNr"> 92 </span> 57/push-EDI -<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># ESI = s</span> -<span id="L94" class="LineNr"> 94 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> -<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># EDI = s->read</span> -<span id="L96" class="LineNr"> 96 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to EDI</span> -<span id="L97" class="LineNr"> 97 </span> <span class="subxComment"># EDX = s->write</span> -<span id="L98" class="LineNr"> 98 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EDX</span> -<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># syscall(write, fd, &s->data[s->read], s->write - s->read)</span> -<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . fd : EBX</span> -<span id="L101" class="LineNr">101 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EBX</span> -<span id="L102" class="LineNr">102 </span> <span class="subxS2Comment"># . . data : ECX = &s->data[s->read]</span> -<span id="L103" class="LineNr">103 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 7/index/EDI <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EDI+12 to ECX</span> -<span id="L104" class="LineNr">104 </span> <span class="subxS2Comment"># . . size : EDX = s->write - s->read</span> -<span id="L105" class="LineNr">105 </span> 29/subtract 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EDI from EDX</span> -<span id="L106" class="LineNr">106 </span> <span class="subxS2Comment"># . . syscall</span> -<span id="L107" class="LineNr">107 </span> b8/copy-to-EAX 4/imm32/write -<span id="L108" class="LineNr">108 </span> cd/syscall 0x80/imm8 -<span id="L109" class="LineNr">109 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L110" class="LineNr">110 </span> 5f/pop-to-EDI -<span id="L111" class="LineNr">111 </span> 5e/pop-to-ESI -<span id="L112" class="LineNr">112 </span> 5b/pop-to-EBX -<span id="L113" class="LineNr">113 </span> 5a/pop-to-EDX -<span id="L114" class="LineNr">114 </span> 59/pop-to-ECX -<span id="L115" class="LineNr">115 </span> 58/pop-to-EAX -<span id="L116" class="LineNr">116 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L117" class="LineNr">117 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L118" class="LineNr">118 </span> 5d/pop-to-EBP -<span id="L119" class="LineNr">119 </span> c3/return -<span id="L120" class="LineNr">120 </span> -<span id="L121" class="LineNr">121 </span><span class="subxTest">test-write-stream-single</span>: -<span id="L122" class="LineNr">122 </span> <span class="subxComment"># setup</span> -<span id="L123" class="LineNr">123 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L125" class="LineNr">125 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L126" class="LineNr">126 </span> <span class="subxS2Comment"># . . call</span> -<span id="L127" class="LineNr">127 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L129" class="LineNr">129 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L130" class="LineNr">130 </span> <span class="subxS1Comment"># . clear-stream(_test-stream2)</span> -<span id="L131" class="LineNr">131 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L132" class="LineNr">132 </span> 68/push <a href='062write-stream.subx.html#L229'>_test-stream2</a>/imm32 -<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . call</span> -<span id="L134" class="LineNr">134 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L135" class="LineNr">135 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L136" class="LineNr">136 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L137" class="LineNr">137 </span> <span class="subxS1Comment"># . write(_test-stream2, "Ab")</span> -<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L139" class="LineNr">139 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L140" class="LineNr">140 </span> 68/push <a href='062write-stream.subx.html#L229'>_test-stream2</a>/imm32 -<span id="L141" class="LineNr">141 </span> <span class="subxS2Comment"># . . call</span> -<span id="L142" class="LineNr">142 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L143" class="LineNr">143 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L144" class="LineNr">144 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L145" class="LineNr">145 </span> <span class="subxComment"># write-stream(_test-stream, _test-stream2)</span> -<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L147" class="LineNr">147 </span> 68/push <a href='062write-stream.subx.html#L229'>_test-stream2</a>/imm32 -<span id="L148" class="LineNr">148 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L149" class="LineNr">149 </span> <span class="subxS2Comment"># . . call</span> -<span id="L150" class="LineNr">150 </span> e8/call <a href='062write-stream.subx.html#L22'>write-stream</a>/disp32 -<span id="L151" class="LineNr">151 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L152" class="LineNr">152 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L153" class="LineNr">153 </span> <span class="subxComment"># check-stream-equal(_test-stream, "Ab", msg)</span> -<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L155" class="LineNr">155 </span> 68/push <span class="Constant">"F - test-write-stream-single"</span>/imm32 -<span id="L156" class="LineNr">156 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L157" class="LineNr">157 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . call</span> -<span id="L159" class="LineNr">159 </span> e8/call <a href='058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L161" class="LineNr">161 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L162" class="LineNr">162 </span> <span class="subxS1Comment"># . end</span> -<span id="L163" class="LineNr">163 </span> c3/return -<span id="L164" class="LineNr">164 </span> -<span id="L165" class="LineNr">165 </span><span class="subxTest">test-write-stream-appends</span>: -<span id="L166" class="LineNr">166 </span> <span class="subxComment"># setup</span> -<span id="L167" class="LineNr">167 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L169" class="LineNr">169 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L170" class="LineNr">170 </span> <span class="subxS2Comment"># . . call</span> -<span id="L171" class="LineNr">171 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L172" class="LineNr">172 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L173" class="LineNr">173 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L174" class="LineNr">174 </span> <span class="subxS1Comment"># . clear-stream(_test-stream2)</span> -<span id="L175" class="LineNr">175 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L176" class="LineNr">176 </span> 68/push <a href='062write-stream.subx.html#L229'>_test-stream2</a>/imm32 -<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . call</span> -<span id="L178" class="LineNr">178 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L179" class="LineNr">179 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L180" class="LineNr">180 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L181" class="LineNr">181 </span> <span class="subxS1Comment"># . write(_test-stream2, "C")</span> -<span id="L182" class="LineNr">182 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L183" class="LineNr">183 </span> 68/push <span class="Constant">"C"</span>/imm32 -<span id="L184" class="LineNr">184 </span> 68/push <a href='062write-stream.subx.html#L229'>_test-stream2</a>/imm32 -<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . call</span> -<span id="L186" class="LineNr">186 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L188" class="LineNr">188 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L189" class="LineNr">189 </span> <span class="subxComment"># first write</span> -<span id="L190" class="LineNr">190 </span> <span class="subxS1Comment"># . write-stream(_test-stream, _test-stream2)</span> -<span id="L191" class="LineNr">191 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L192" class="LineNr">192 </span> 68/push <a href='062write-stream.subx.html#L229'>_test-stream2</a>/imm32 -<span id="L193" class="LineNr">193 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . call</span> -<span id="L195" class="LineNr">195 </span> e8/call <a href='062write-stream.subx.html#L22'>write-stream</a>/disp32 -<span id="L196" class="LineNr">196 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L197" class="LineNr">197 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L198" class="LineNr">198 </span> <span class="subxComment"># second write</span> -<span id="L199" class="LineNr">199 </span> <span class="subxS1Comment"># . write(_test-stream2, "D")</span> -<span id="L200" class="LineNr">200 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L201" class="LineNr">201 </span> 68/push <span class="Constant">"D"</span>/imm32 -<span id="L202" class="LineNr">202 </span> 68/push <a href='062write-stream.subx.html#L229'>_test-stream2</a>/imm32 -<span id="L203" class="LineNr">203 </span> <span class="subxS2Comment"># . . call</span> -<span id="L204" class="LineNr">204 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L205" class="LineNr">205 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L206" class="LineNr">206 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L207" class="LineNr">207 </span> <span class="subxS1Comment"># . write-stream(_test-stream, _test-stream2)</span> -<span id="L208" class="LineNr">208 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L209" class="LineNr">209 </span> 68/push <a href='062write-stream.subx.html#L229'>_test-stream2</a>/imm32 -<span id="L210" class="LineNr">210 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L211" class="LineNr">211 </span> <span class="subxS2Comment"># . . call</span> -<span id="L212" class="LineNr">212 </span> e8/call <a href='062write-stream.subx.html#L22'>write-stream</a>/disp32 -<span id="L213" class="LineNr">213 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L214" class="LineNr">214 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L215" class="LineNr">215 </span> <span class="subxComment"># check-stream-equal(_test-stream, "CD", msg)</span> -<span id="L216" class="LineNr">216 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L217" class="LineNr">217 </span> 68/push <span class="Constant">"F - test-write-stream-appends"</span>/imm32 -<span id="L218" class="LineNr">218 </span> 68/push <span class="Constant">"CD"</span>/imm32 -<span id="L219" class="LineNr">219 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L220" class="LineNr">220 </span> <span class="subxS2Comment"># . . call</span> -<span id="L221" class="LineNr">221 </span> e8/call <a href='058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L222" class="LineNr">222 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L223" class="LineNr">223 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L224" class="LineNr">224 </span> <span class="subxS1Comment"># . end</span> -<span id="L225" class="LineNr">225 </span> c3/return -<span id="L226" class="LineNr">226 </span> -<span id="L227" class="LineNr">227 </span>== data -<span id="L228" class="LineNr">228 </span> -<span id="L229" class="LineNr">229 </span><span class="subxMinorFunction">_test-stream2</span>: -<span id="L230" class="LineNr">230 </span> <span class="subxComment"># current write index</span> -<span id="L231" class="LineNr">231 </span> 04 00 00 00 -<span id="L232" class="LineNr">232 </span> <span class="subxComment"># current read index</span> -<span id="L233" class="LineNr">233 </span> 01 00 00 00 -<span id="L234" class="LineNr">234 </span> <span class="subxComment"># length (= 8)</span> -<span id="L235" class="LineNr">235 </span> 08 00 00 00 -<span id="L236" class="LineNr">236 </span> <span class="subxComment"># data</span> -<span id="L237" class="LineNr">237 </span> 41 42 43 44 00 00 00 00 <span class="subxComment"># 8 bytes</span> -<span id="L238" class="LineNr">238 </span> -<span id="L239" class="LineNr">239 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L60" class="LineNr"> 60 </span> <span class="subxS2Comment"># . . call</span> +<span id="L61" class="LineNr"> 61 </span> e8/call <a href='056trace.subx.html#L301'>_append-4</a>/disp32 +<span id="L62" class="LineNr"> 62 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L63" class="LineNr"> 63 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># f->write += EAX</span> +<span id="L65" class="LineNr"> 65 </span> 01/add 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to *EDI</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># s->read += EAX</span> +<span id="L67" class="LineNr"> 67 </span> 01/add 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># add EAX to *(ESI+4)</span> +<span id="L68" class="LineNr"> 68 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L69" class="LineNr"> 69 </span> 5f/pop-to-EDI +<span id="L70" class="LineNr"> 70 </span> 5e/pop-to-ESI +<span id="L71" class="LineNr"> 71 </span> 58/pop-to-EAX +<span id="L72" class="LineNr"> 72 </span><span class="Constant">$write-stream:end</span>: +<span id="L73" class="LineNr"> 73 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L74" class="LineNr"> 74 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L75" class="LineNr"> 75 </span> 5d/pop-to-EBP +<span id="L76" class="LineNr"> 76 </span> c3/return +<span id="L77" class="LineNr"> 77 </span> +<span id="L78" class="LineNr"> 78 </span><span class="subxMinorFunction">_write-stream</span>: <span class="subxComment"># fd : int, s : (address stream) -> <void></span> +<span id="L79" class="LineNr"> 79 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L80" class="LineNr"> 80 </span> 55/push-EBP +<span id="L81" class="LineNr"> 81 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L82" class="LineNr"> 82 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L83" class="LineNr"> 83 </span> 50/push-EAX +<span id="L84" class="LineNr"> 84 </span> 51/push-ECX +<span id="L85" class="LineNr"> 85 </span> 52/push-EDX +<span id="L86" class="LineNr"> 86 </span> 53/push-EBX +<span id="L87" class="LineNr"> 87 </span> 56/push-ESI +<span id="L88" class="LineNr"> 88 </span> 57/push-EDI +<span id="L89" class="LineNr"> 89 </span> <span class="subxComment"># ESI = s</span> +<span id="L90" class="LineNr"> 90 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> +<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># EDI = s->read</span> +<span id="L92" class="LineNr"> 92 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to EDI</span> +<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># EDX = s->write</span> +<span id="L94" class="LineNr"> 94 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EDX</span> +<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># syscall(write, fd, &s->data[s->read], s->write - s->read)</span> +<span id="L96" class="LineNr"> 96 </span> <span class="subxS2Comment"># . . fd : EBX</span> +<span id="L97" class="LineNr"> 97 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EBX</span> +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . data : ECX = &s->data[s->read]</span> +<span id="L99" class="LineNr"> 99 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 7/index/EDI <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EDI+12 to ECX</span> +<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . size : EDX = s->write - s->read</span> +<span id="L101" class="LineNr">101 </span> 29/subtract 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EDI from EDX</span> +<span id="L102" class="LineNr">102 </span> <span class="subxS2Comment"># . . syscall</span> +<span id="L103" class="LineNr">103 </span> b8/copy-to-EAX 4/imm32/write +<span id="L104" class="LineNr">104 </span> cd/syscall 0x80/imm8 +<span id="L105" class="LineNr">105 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L106" class="LineNr">106 </span> 5f/pop-to-EDI +<span id="L107" class="LineNr">107 </span> 5e/pop-to-ESI +<span id="L108" class="LineNr">108 </span> 5b/pop-to-EBX +<span id="L109" class="LineNr">109 </span> 5a/pop-to-EDX +<span id="L110" class="LineNr">110 </span> 59/pop-to-ECX +<span id="L111" class="LineNr">111 </span> 58/pop-to-EAX +<span id="L112" class="LineNr">112 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L113" class="LineNr">113 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L114" class="LineNr">114 </span> 5d/pop-to-EBP +<span id="L115" class="LineNr">115 </span> c3/return +<span id="L116" class="LineNr">116 </span> +<span id="L117" class="LineNr">117 </span><span class="subxTest">test-write-stream-single</span>: +<span id="L118" class="LineNr">118 </span> <span class="subxComment"># setup</span> +<span id="L119" class="LineNr">119 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L120" class="LineNr">120 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L121" class="LineNr">121 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L122" class="LineNr">122 </span> <span class="subxS2Comment"># . . call</span> +<span id="L123" class="LineNr">123 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L125" class="LineNr">125 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L126" class="LineNr">126 </span> <span class="subxS1Comment"># . clear-stream(_test-stream2)</span> +<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L128" class="LineNr">128 </span> 68/push <a href='062write-stream.subx.html#L225'>_test-stream2</a>/imm32 +<span id="L129" class="LineNr">129 </span> <span class="subxS2Comment"># . . call</span> +<span id="L130" class="LineNr">130 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L131" class="LineNr">131 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L132" class="LineNr">132 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L133" class="LineNr">133 </span> <span class="subxS1Comment"># . write(_test-stream2, "Ab")</span> +<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L135" class="LineNr">135 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L136" class="LineNr">136 </span> 68/push <a href='062write-stream.subx.html#L225'>_test-stream2</a>/imm32 +<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . call</span> +<span id="L138" class="LineNr">138 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L140" class="LineNr">140 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L141" class="LineNr">141 </span> <span class="subxComment"># write-stream(_test-stream, _test-stream2)</span> +<span id="L142" class="LineNr">142 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L143" class="LineNr">143 </span> 68/push <a href='062write-stream.subx.html#L225'>_test-stream2</a>/imm32 +<span id="L144" class="LineNr">144 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L145" class="LineNr">145 </span> <span class="subxS2Comment"># . . call</span> +<span id="L146" class="LineNr">146 </span> e8/call <a href='062write-stream.subx.html#L18'>write-stream</a>/disp32 +<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L148" class="LineNr">148 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L149" class="LineNr">149 </span> <span class="subxComment"># check-stream-equal(_test-stream, "Ab", msg)</span> +<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L151" class="LineNr">151 </span> 68/push <span class="Constant">"F - test-write-stream-single"</span>/imm32 +<span id="L152" class="LineNr">152 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L153" class="LineNr">153 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . call</span> +<span id="L155" class="LineNr">155 </span> e8/call <a href='058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L157" class="LineNr">157 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L158" class="LineNr">158 </span> <span class="subxS1Comment"># . end</span> +<span id="L159" class="LineNr">159 </span> c3/return +<span id="L160" class="LineNr">160 </span> +<span id="L161" class="LineNr">161 </span><span class="subxTest">test-write-stream-appends</span>: +<span id="L162" class="LineNr">162 </span> <span class="subxComment"># setup</span> +<span id="L163" class="LineNr">163 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L164" class="LineNr">164 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L165" class="LineNr">165 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L166" class="LineNr">166 </span> <span class="subxS2Comment"># . . call</span> +<span id="L167" class="LineNr">167 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L169" class="LineNr">169 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L170" class="LineNr">170 </span> <span class="subxS1Comment"># . clear-stream(_test-stream2)</span> +<span id="L171" class="LineNr">171 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L172" class="LineNr">172 </span> 68/push <a href='062write-stream.subx.html#L225'>_test-stream2</a>/imm32 +<span id="L173" class="LineNr">173 </span> <span class="subxS2Comment"># . . call</span> +<span id="L174" class="LineNr">174 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L175" class="LineNr">175 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L176" class="LineNr">176 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L177" class="LineNr">177 </span> <span class="subxS1Comment"># . write(_test-stream2, "C")</span> +<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L179" class="LineNr">179 </span> 68/push <span class="Constant">"C"</span>/imm32 +<span id="L180" class="LineNr">180 </span> 68/push <a href='062write-stream.subx.html#L225'>_test-stream2</a>/imm32 +<span id="L181" class="LineNr">181 </span> <span class="subxS2Comment"># . . call</span> +<span id="L182" class="LineNr">182 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L183" class="LineNr">183 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L184" class="LineNr">184 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L185" class="LineNr">185 </span> <span class="subxComment"># first write</span> +<span id="L186" class="LineNr">186 </span> <span class="subxS1Comment"># . write-stream(_test-stream, _test-stream2)</span> +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L188" class="LineNr">188 </span> 68/push <a href='062write-stream.subx.html#L225'>_test-stream2</a>/imm32 +<span id="L189" class="LineNr">189 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L190" class="LineNr">190 </span> <span class="subxS2Comment"># . . call</span> +<span id="L191" class="LineNr">191 </span> e8/call <a href='062write-stream.subx.html#L18'>write-stream</a>/disp32 +<span id="L192" class="LineNr">192 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L193" class="LineNr">193 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L194" class="LineNr">194 </span> <span class="subxComment"># second write</span> +<span id="L195" class="LineNr">195 </span> <span class="subxS1Comment"># . write(_test-stream2, "D")</span> +<span id="L196" class="LineNr">196 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L197" class="LineNr">197 </span> 68/push <span class="Constant">"D"</span>/imm32 +<span id="L198" class="LineNr">198 </span> 68/push <a href='062write-stream.subx.html#L225'>_test-stream2</a>/imm32 +<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . call</span> +<span id="L200" class="LineNr">200 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L201" class="LineNr">201 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L202" class="LineNr">202 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L203" class="LineNr">203 </span> <span class="subxS1Comment"># . write-stream(_test-stream, _test-stream2)</span> +<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L205" class="LineNr">205 </span> 68/push <a href='062write-stream.subx.html#L225'>_test-stream2</a>/imm32 +<span id="L206" class="LineNr">206 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L207" class="LineNr">207 </span> <span class="subxS2Comment"># . . call</span> +<span id="L208" class="LineNr">208 </span> e8/call <a href='062write-stream.subx.html#L18'>write-stream</a>/disp32 +<span id="L209" class="LineNr">209 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L210" class="LineNr">210 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L211" class="LineNr">211 </span> <span class="subxComment"># check-stream-equal(_test-stream, "CD", msg)</span> +<span id="L212" class="LineNr">212 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L213" class="LineNr">213 </span> 68/push <span class="Constant">"F - test-write-stream-appends"</span>/imm32 +<span id="L214" class="LineNr">214 </span> 68/push <span class="Constant">"CD"</span>/imm32 +<span id="L215" class="LineNr">215 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L216" class="LineNr">216 </span> <span class="subxS2Comment"># . . call</span> +<span id="L217" class="LineNr">217 </span> e8/call <a href='058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L218" class="LineNr">218 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L219" class="LineNr">219 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L220" class="LineNr">220 </span> <span class="subxS1Comment"># . end</span> +<span id="L221" class="LineNr">221 </span> c3/return +<span id="L222" class="LineNr">222 </span> +<span id="L223" class="LineNr">223 </span>== data +<span id="L224" class="LineNr">224 </span> +<span id="L225" class="LineNr">225 </span><span class="subxMinorFunction">_test-stream2</span>: +<span id="L226" class="LineNr">226 </span> <span class="subxComment"># current write index</span> +<span id="L227" class="LineNr">227 </span> 4/imm32 +<span id="L228" class="LineNr">228 </span> <span class="subxComment"># current read index</span> +<span id="L229" class="LineNr">229 </span> 1/imm32 +<span id="L230" class="LineNr">230 </span> <span class="subxComment"># length</span> +<span id="L231" class="LineNr">231 </span> 8/imm32 +<span id="L232" class="LineNr">232 </span> <span class="subxComment"># data</span> +<span id="L233" class="LineNr">233 </span> 41/A 42/B 43/C 44/D 00 00 00 00 <span class="subxComment"># 8 bytes</span> +<span id="L234" class="LineNr">234 </span> +<span id="L235" class="LineNr">235 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/063error.subx.html b/html/subx/063error.subx.html index df3cc424..96fd3c44 100644 --- a/html/subx/063error.subx.html +++ b/html/subx/063error.subx.html @@ -64,56 +64,49 @@ if ('onhashchange' in window) { <span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L7" class="LineNr"> 7 </span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># main:</span> -<span id="L9" class="LineNr"> 9 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L10" class="LineNr">10 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L11" class="LineNr">11 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L12" class="LineNr">12 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L13" class="LineNr">13 </span> cd/syscall 0x80/imm8 -<span id="L14" class="LineNr">14 </span> -<span id="L15" class="LineNr">15 </span><span class="subxComment"># write(out, "Error: "+msg+"\n") then stop(ed, 1)</span> -<span id="L16" class="LineNr">16 </span><span class="subxFunction">error</span>: <span class="subxComment"># ed : (address exit-descriptor), out : fd or (address stream), msg : (address array byte) -> <void></span> -<span id="L17" class="LineNr">17 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L18" class="LineNr">18 </span> 55/push-EBP -<span id="L19" class="LineNr">19 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L20" class="LineNr">20 </span> <span class="subxComment"># write(out, "Error: ")</span> -<span id="L21" class="LineNr">21 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L22" class="LineNr">22 </span> 68/push <span class="Constant">"Error: "</span>/imm32 -<span id="L23" class="LineNr">23 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L24" class="LineNr">24 </span> <span class="subxS2Comment"># . . call</span> -<span id="L25" class="LineNr">25 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L26" class="LineNr">26 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L27" class="LineNr">27 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L28" class="LineNr">28 </span> <span class="subxComment"># write(out, msg)</span> -<span id="L29" class="LineNr">29 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L30" class="LineNr">30 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L31" class="LineNr">31 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L32" class="LineNr">32 </span> <span class="subxS2Comment"># . . call</span> -<span id="L33" class="LineNr">33 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L34" class="LineNr">34 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L35" class="LineNr">35 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L36" class="LineNr">36 </span> <span class="subxComment"># write(out, Newline)</span> -<span id="L37" class="LineNr">37 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L38" class="LineNr">38 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L39" class="LineNr">39 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L40" class="LineNr">40 </span> <span class="subxS2Comment"># . . call</span> -<span id="L41" class="LineNr">41 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L42" class="LineNr">42 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L43" class="LineNr">43 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L44" class="LineNr">44 </span> <span class="subxComment"># stop(ed, 1)</span> -<span id="L45" class="LineNr">45 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L46" class="LineNr">46 </span> 68/push 1/imm32 -<span id="L47" class="LineNr">47 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L48" class="LineNr">48 </span> <span class="subxS2Comment"># . . call</span> -<span id="L49" class="LineNr">49 </span> e8/call <a href='059stop.subx.html#L99'>stop</a>/disp32 -<span id="L50" class="LineNr">50 </span> <span class="subxComment"># should never get past this point</span> -<span id="L51" class="LineNr">51 </span><span class="Constant">$error:dead-end</span>: -<span id="L52" class="LineNr">52 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L53" class="LineNr">53 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L54" class="LineNr">54 </span> 5d/pop-to-EBP -<span id="L55" class="LineNr">55 </span> c3/return -<span id="L56" class="LineNr">56 </span> -<span id="L57" class="LineNr">57 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># write(out, "Error: "+msg+"\n") then stop(ed, 1)</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxFunction">error</span>: <span class="subxComment"># ed : (address exit-descriptor), out : fd or (address stream), msg : (address array byte) -> <void></span> +<span id="L10" class="LineNr">10 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L11" class="LineNr">11 </span> 55/push-EBP +<span id="L12" class="LineNr">12 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L13" class="LineNr">13 </span> <span class="subxComment"># write(out, "Error: ")</span> +<span id="L14" class="LineNr">14 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L15" class="LineNr">15 </span> 68/push <span class="Constant">"Error: "</span>/imm32 +<span id="L16" class="LineNr">16 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L17" class="LineNr">17 </span> <span class="subxS2Comment"># . . call</span> +<span id="L18" class="LineNr">18 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L19" class="LineNr">19 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L20" class="LineNr">20 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L21" class="LineNr">21 </span> <span class="subxComment"># write(out, msg)</span> +<span id="L22" class="LineNr">22 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L23" class="LineNr">23 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L24" class="LineNr">24 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L25" class="LineNr">25 </span> <span class="subxS2Comment"># . . call</span> +<span id="L26" class="LineNr">26 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L27" class="LineNr">27 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L28" class="LineNr">28 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L29" class="LineNr">29 </span> <span class="subxComment"># write(out, Newline)</span> +<span id="L30" class="LineNr">30 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L31" class="LineNr">31 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L32" class="LineNr">32 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L33" class="LineNr">33 </span> <span class="subxS2Comment"># . . call</span> +<span id="L34" class="LineNr">34 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L35" class="LineNr">35 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L36" class="LineNr">36 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L37" class="LineNr">37 </span> <span class="subxComment"># stop(ed, 1)</span> +<span id="L38" class="LineNr">38 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L39" class="LineNr">39 </span> 68/push 1/imm32 +<span id="L40" class="LineNr">40 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L41" class="LineNr">41 </span> <span class="subxS2Comment"># . . call</span> +<span id="L42" class="LineNr">42 </span> e8/call <a href='059stop.subx.html#L98'>stop</a>/disp32 +<span id="L43" class="LineNr">43 </span> <span class="subxComment"># should never get past this point</span> +<span id="L44" class="LineNr">44 </span><span class="Constant">$error:dead-end</span>: +<span id="L45" class="LineNr">45 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L46" class="LineNr">46 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L47" class="LineNr">47 </span> 5d/pop-to-EBP +<span id="L48" class="LineNr">48 </span> c3/return +<span id="L49" class="LineNr">49 </span> +<span id="L50" class="LineNr">50 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/064write-byte.subx.html b/html/subx/064write-byte.subx.html index 2908cb0a..259bb8b6 100644 --- a/html/subx/064write-byte.subx.html +++ b/html/subx/064write-byte.subx.html @@ -70,13 +70,13 @@ if ('onhashchange' in window) { <span id="L9" class="LineNr"> 9 </span><span class="subxComment"># The buffered file for standard output.</span> <span id="L10" class="LineNr"> 10 </span><span class="SpecialChar">Stdout</span>: <span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># file descriptor or (address stream)</span> -<span id="L12" class="LineNr"> 12 </span> 01 00 00 00 <span class="subxComment"># 1 = standard output</span> +<span id="L12" class="LineNr"> 12 </span> 1/imm32 <span class="subxComment"># standard output</span> <span id="L13" class="LineNr"> 13 </span> <span class="subxComment"># current write index</span> -<span id="L14" class="LineNr"> 14 </span> 00 00 00 00 +<span id="L14" class="LineNr"> 14 </span> 0/imm32 <span id="L15" class="LineNr"> 15 </span> <span class="subxComment"># current read index</span> -<span id="L16" class="LineNr"> 16 </span> 00 00 00 00 -<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># length (8)</span> -<span id="L18" class="LineNr"> 18 </span> 08 00 00 00 +<span id="L16" class="LineNr"> 16 </span> 0/imm32 +<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># length</span> +<span id="L18" class="LineNr"> 18 </span> 8/imm32 <span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># data</span> <span id="L20" class="LineNr"> 20 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> <span id="L21" class="LineNr"> 21 </span> @@ -88,195 +88,188 @@ if ('onhashchange' in window) { <span id="L27" class="LineNr"> 27 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L28" class="LineNr"> 28 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L29" class="LineNr"> 29 </span> -<span id="L30" class="LineNr"> 30 </span><span class="subxComment"># main:</span> -<span id="L31" class="LineNr"> 31 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L33" class="LineNr"> 33 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L34" class="LineNr"> 34 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L35" class="LineNr"> 35 </span> cd/syscall 0x80/imm8 -<span id="L36" class="LineNr"> 36 </span> -<span id="L37" class="LineNr"> 37 </span><span class="subxComment"># Write lower byte of 'n' to 'f'.</span> -<span id="L38" class="LineNr"> 38 </span><span class="subxFunction">write-byte</span>: <span class="subxComment"># f : (address buffered-file), n : int -> <void></span> -<span id="L39" class="LineNr"> 39 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L40" class="LineNr"> 40 </span> 55/push-EBP -<span id="L41" class="LineNr"> 41 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L42" class="LineNr"> 42 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L43" class="LineNr"> 43 </span> 51/push-ECX -<span id="L44" class="LineNr"> 44 </span> 57/push-EDI -<span id="L45" class="LineNr"> 45 </span> <span class="subxComment"># EDI = f</span> -<span id="L46" class="LineNr"> 46 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> -<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># ECX = f->write</span> -<span id="L48" class="LineNr"> 48 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> -<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># if (f->write >= f->length) flush and clear f's stream</span> -<span id="L50" class="LineNr"> 50 </span> 3b/compare 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare ECX with *(EDI+12)</span> -<span id="L51" class="LineNr"> 51 </span> 7c/jump-if-lesser $write-byte:to-stream/disp8 -<span id="L52" class="LineNr"> 52 </span> <span class="subxS1Comment"># . flush(f)</span> +<span id="L30" class="LineNr"> 30 </span><span class="subxComment"># Write lower byte of 'n' to 'f'.</span> +<span id="L31" class="LineNr"> 31 </span><span class="subxFunction">write-byte</span>: <span class="subxComment"># f : (address buffered-file), n : int -> <void></span> +<span id="L32" class="LineNr"> 32 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L33" class="LineNr"> 33 </span> 55/push-EBP +<span id="L34" class="LineNr"> 34 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L35" class="LineNr"> 35 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L36" class="LineNr"> 36 </span> 51/push-ECX +<span id="L37" class="LineNr"> 37 </span> 57/push-EDI +<span id="L38" class="LineNr"> 38 </span> <span class="subxComment"># EDI = f</span> +<span id="L39" class="LineNr"> 39 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> +<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># ECX = f->write</span> +<span id="L41" class="LineNr"> 41 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> +<span id="L42" class="LineNr"> 42 </span> <span class="subxComment"># if (f->write >= f->length) flush and clear f's stream</span> +<span id="L43" class="LineNr"> 43 </span> 3b/compare 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare ECX with *(EDI+12)</span> +<span id="L44" class="LineNr"> 44 </span> 7c/jump-if-lesser $write-byte:to-stream/disp8 +<span id="L45" class="LineNr"> 45 </span> <span class="subxS1Comment"># . flush(f)</span> +<span id="L46" class="LineNr"> 46 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L47" class="LineNr"> 47 </span> 57/push-EDI +<span id="L48" class="LineNr"> 48 </span> <span class="subxS2Comment"># . . call</span> +<span id="L49" class="LineNr"> 49 </span> e8/call <a href='064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L50" class="LineNr"> 50 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L51" class="LineNr"> 51 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L52" class="LineNr"> 52 </span> <span class="subxS1Comment"># . clear-stream(stream = f+4)</span> <span id="L53" class="LineNr"> 53 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L54" class="LineNr"> 54 </span> 57/push-EDI -<span id="L55" class="LineNr"> 55 </span> <span class="subxS2Comment"># . . call</span> -<span id="L56" class="LineNr"> 56 </span> e8/call <a href='064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L57" class="LineNr"> 57 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L58" class="LineNr"> 58 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L59" class="LineNr"> 59 </span> <span class="subxS1Comment"># . clear-stream(stream = f+4)</span> -<span id="L60" class="LineNr"> 60 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L61" class="LineNr"> 61 </span> 8d/copy-address 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+4 to EAX</span> -<span id="L62" class="LineNr"> 62 </span> 50/push-EAX -<span id="L63" class="LineNr"> 63 </span> <span class="subxS2Comment"># . . call</span> -<span id="L64" class="LineNr"> 64 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L65" class="LineNr"> 65 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L66" class="LineNr"> 66 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L67" class="LineNr"> 67 </span> <span class="subxS1Comment"># . f->write must now be 0; update its cache at ECX</span> -<span id="L68" class="LineNr"> 68 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> -<span id="L69" class="LineNr"> 69 </span><span class="Constant">$write-byte:to-stream</span>: -<span id="L70" class="LineNr"> 70 </span> <span class="subxComment"># write to stream</span> -<span id="L71" class="LineNr"> 71 </span> <span class="subxComment"># f->data[f->write] = LSB(n)</span> -<span id="L72" class="LineNr"> 72 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L73" class="LineNr"> 73 </span> 8a/copy-byte 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(EBP+12) to AL</span> -<span id="L74" class="LineNr"> 74 </span> 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/EDI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy AL to *(EDI+ECX+16)</span> -<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># ++f->write</span> -<span id="L76" class="LineNr"> 76 </span> ff 0/subop/increment 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># increment *(EDI+4)</span> -<span id="L77" class="LineNr"> 77 </span><span class="Constant">$write-byte:end</span>: -<span id="L78" class="LineNr"> 78 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L79" class="LineNr"> 79 </span> 5f/pop-to-EDI -<span id="L80" class="LineNr"> 80 </span> 59/pop-to-ECX -<span id="L81" class="LineNr"> 81 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L82" class="LineNr"> 82 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L83" class="LineNr"> 83 </span> 5d/pop-to-EBP -<span id="L84" class="LineNr"> 84 </span> c3/return -<span id="L85" class="LineNr"> 85 </span> -<span id="L86" class="LineNr"> 86 </span><span class="subxFunction">flush</span>: <span class="subxComment"># f : (address buffered-file) -> <void></span> -<span id="L87" class="LineNr"> 87 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L88" class="LineNr"> 88 </span> 55/push-EBP -<span id="L89" class="LineNr"> 89 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L90" class="LineNr"> 90 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L91" class="LineNr"> 91 </span> 50/push-EAX -<span id="L92" class="LineNr"> 92 </span> 51/push-ECX -<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># EAX = f</span> -<span id="L94" class="LineNr"> 94 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> -<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># write-stream(f->fd, data = f+4)</span> -<span id="L96" class="LineNr"> 96 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L97" class="LineNr"> 97 </span> 8d/copy-address 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+4 to ECX</span> -<span id="L98" class="LineNr"> 98 </span> 51/push-ECX -<span id="L99" class="LineNr"> 99 </span> ff 6/subop/push 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *EAX</span> -<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . call</span> -<span id="L101" class="LineNr">101 </span> e8/call <a href='062write-stream.subx.html#L22'>write-stream</a>/disp32 -<span id="L102" class="LineNr">102 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L103" class="LineNr">103 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L104" class="LineNr">104 </span><span class="Constant">$flush:end</span>: -<span id="L105" class="LineNr">105 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L106" class="LineNr">106 </span> 59/pop-to-ECX -<span id="L107" class="LineNr">107 </span> 58/pop-to-EAX -<span id="L108" class="LineNr">108 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L109" class="LineNr">109 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L110" class="LineNr">110 </span> 5d/pop-to-EBP -<span id="L111" class="LineNr">111 </span> c3/return -<span id="L112" class="LineNr">112 </span> -<span id="L113" class="LineNr">113 </span><span class="subxH1Comment"># - tests</span> -<span id="L114" class="LineNr">114 </span> -<span id="L115" class="LineNr">115 </span><span class="subxTest">test-write-byte-single</span>: -<span id="L116" class="LineNr">116 </span> <span class="subxH1Comment"># - check that write-byte writes to first byte of 'file'</span> -<span id="L117" class="LineNr">117 </span> <span class="subxComment"># setup</span> -<span id="L118" class="LineNr">118 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L54" class="LineNr"> 54 </span> 8d/copy-address 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+4 to EAX</span> +<span id="L55" class="LineNr"> 55 </span> 50/push-EAX +<span id="L56" class="LineNr"> 56 </span> <span class="subxS2Comment"># . . call</span> +<span id="L57" class="LineNr"> 57 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L58" class="LineNr"> 58 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L59" class="LineNr"> 59 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L60" class="LineNr"> 60 </span> <span class="subxS1Comment"># . f->write must now be 0; update its cache at ECX</span> +<span id="L61" class="LineNr"> 61 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> +<span id="L62" class="LineNr"> 62 </span><span class="Constant">$write-byte:to-stream</span>: +<span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># write to stream</span> +<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># f->data[f->write] = LSB(n)</span> +<span id="L65" class="LineNr"> 65 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L66" class="LineNr"> 66 </span> 8a/copy-byte 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(EBP+12) to AL</span> +<span id="L67" class="LineNr"> 67 </span> 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/EDI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy AL to *(EDI+ECX+16)</span> +<span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># ++f->write</span> +<span id="L69" class="LineNr"> 69 </span> ff 0/subop/increment 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># increment *(EDI+4)</span> +<span id="L70" class="LineNr"> 70 </span><span class="Constant">$write-byte:end</span>: +<span id="L71" class="LineNr"> 71 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L72" class="LineNr"> 72 </span> 5f/pop-to-EDI +<span id="L73" class="LineNr"> 73 </span> 59/pop-to-ECX +<span id="L74" class="LineNr"> 74 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L75" class="LineNr"> 75 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L76" class="LineNr"> 76 </span> 5d/pop-to-EBP +<span id="L77" class="LineNr"> 77 </span> c3/return +<span id="L78" class="LineNr"> 78 </span> +<span id="L79" class="LineNr"> 79 </span><span class="subxFunction">flush</span>: <span class="subxComment"># f : (address buffered-file) -> <void></span> +<span id="L80" class="LineNr"> 80 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L81" class="LineNr"> 81 </span> 55/push-EBP +<span id="L82" class="LineNr"> 82 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L83" class="LineNr"> 83 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L84" class="LineNr"> 84 </span> 50/push-EAX +<span id="L85" class="LineNr"> 85 </span> 51/push-ECX +<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># EAX = f</span> +<span id="L87" class="LineNr"> 87 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> +<span id="L88" class="LineNr"> 88 </span> <span class="subxComment"># write-stream(f->fd, data = f+4)</span> +<span id="L89" class="LineNr"> 89 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L90" class="LineNr"> 90 </span> 8d/copy-address 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+4 to ECX</span> +<span id="L91" class="LineNr"> 91 </span> 51/push-ECX +<span id="L92" class="LineNr"> 92 </span> ff 6/subop/push 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *EAX</span> +<span id="L93" class="LineNr"> 93 </span> <span class="subxS2Comment"># . . call</span> +<span id="L94" class="LineNr"> 94 </span> e8/call <a href='062write-stream.subx.html#L18'>write-stream</a>/disp32 +<span id="L95" class="LineNr"> 95 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L96" class="LineNr"> 96 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L97" class="LineNr"> 97 </span><span class="Constant">$flush:end</span>: +<span id="L98" class="LineNr"> 98 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L99" class="LineNr"> 99 </span> 59/pop-to-ECX +<span id="L100" class="LineNr">100 </span> 58/pop-to-EAX +<span id="L101" class="LineNr">101 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L102" class="LineNr">102 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L103" class="LineNr">103 </span> 5d/pop-to-EBP +<span id="L104" class="LineNr">104 </span> c3/return +<span id="L105" class="LineNr">105 </span> +<span id="L106" class="LineNr">106 </span><span class="subxH1Comment"># - tests</span> +<span id="L107" class="LineNr">107 </span> +<span id="L108" class="LineNr">108 </span><span class="subxTest">test-write-byte-single</span>: +<span id="L109" class="LineNr">109 </span> <span class="subxH1Comment"># - check that write-byte writes to first byte of 'file'</span> +<span id="L110" class="LineNr">110 </span> <span class="subxComment"># setup</span> +<span id="L111" class="LineNr">111 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L112" class="LineNr">112 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L113" class="LineNr">113 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . call</span> +<span id="L115" class="LineNr">115 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L116" class="LineNr">116 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L117" class="LineNr">117 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L118" class="LineNr">118 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> <span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L120" class="LineNr">120 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L121" class="LineNr">121 </span> <span class="subxS2Comment"># . . call</span> -<span id="L122" class="LineNr">122 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L123" class="LineNr">123 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L124" class="LineNr">124 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L125" class="LineNr">125 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L126" class="LineNr">126 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L127" class="LineNr">127 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L128" class="LineNr">128 </span> 05/add-to-EAX 4/imm32 -<span id="L129" class="LineNr">129 </span> 50/push-EAX -<span id="L130" class="LineNr">130 </span> <span class="subxS2Comment"># . . call</span> -<span id="L131" class="LineNr">131 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L133" class="LineNr">133 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L134" class="LineNr">134 </span> <span class="subxComment"># write-byte(_test-buffered-file, 'A')</span> -<span id="L135" class="LineNr">135 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L136" class="LineNr">136 </span> 68/push 0x41/imm32 -<span id="L137" class="LineNr">137 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 +<span id="L120" class="LineNr">120 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L121" class="LineNr">121 </span> 05/add-to-EAX 4/imm32 +<span id="L122" class="LineNr">122 </span> 50/push-EAX +<span id="L123" class="LineNr">123 </span> <span class="subxS2Comment"># . . call</span> +<span id="L124" class="LineNr">124 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L125" class="LineNr">125 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L126" class="LineNr">126 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L127" class="LineNr">127 </span> <span class="subxComment"># write-byte(_test-buffered-file, 'A')</span> +<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L129" class="LineNr">129 </span> 68/push 0x41/imm32 +<span id="L130" class="LineNr">130 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L131" class="LineNr">131 </span> <span class="subxS2Comment"># . . call</span> +<span id="L132" class="LineNr">132 </span> e8/call <a href='064write-byte.subx.html#L31'>write-byte</a>/disp32 +<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L134" class="LineNr">134 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L135" class="LineNr">135 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L137" class="LineNr">137 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 <span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . call</span> -<span id="L139" class="LineNr">139 </span> e8/call <a href='064write-byte.subx.html#L38'>write-byte</a>/disp32 +<span id="L139" class="LineNr">139 </span> e8/call <a href='064write-byte.subx.html#L79'>flush</a>/disp32 <span id="L140" class="LineNr">140 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L141" class="LineNr">141 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L142" class="LineNr">142 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L141" class="LineNr">141 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L142" class="LineNr">142 </span> <span class="subxComment"># check-stream-equal(_test-stream, "A", msg)</span> <span id="L143" class="LineNr">143 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L144" class="LineNr">144 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L145" class="LineNr">145 </span> <span class="subxS2Comment"># . . call</span> -<span id="L146" class="LineNr">146 </span> e8/call <a href='064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L148" class="LineNr">148 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L149" class="LineNr">149 </span> <span class="subxComment"># check-stream-equal(_test-stream, "A", msg)</span> -<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L151" class="LineNr">151 </span> 68/push <span class="Constant">"F - test-write-byte-single"</span>/imm32 -<span id="L152" class="LineNr">152 </span> 68/push <span class="Constant">"A"</span>/imm32 -<span id="L153" class="LineNr">153 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . call</span> -<span id="L155" class="LineNr">155 </span> e8/call <a href='058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L157" class="LineNr">157 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L158" class="LineNr">158 </span> <span class="subxS1Comment"># . end</span> -<span id="L159" class="LineNr">159 </span> c3/return -<span id="L160" class="LineNr">160 </span> -<span id="L161" class="LineNr">161 </span><span class="subxTest">test-write-byte-multiple-flushes</span>: -<span id="L162" class="LineNr">162 </span> <span class="subxH1Comment"># - check that write-byte correctly flushes buffered data</span> -<span id="L163" class="LineNr">163 </span> <span class="subxComment"># setup</span> -<span id="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L144" class="LineNr">144 </span> 68/push <span class="Constant">"F - test-write-byte-single"</span>/imm32 +<span id="L145" class="LineNr">145 </span> 68/push <span class="Constant">"A"</span>/imm32 +<span id="L146" class="LineNr">146 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . call</span> +<span id="L148" class="LineNr">148 </span> e8/call <a href='058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L149" class="LineNr">149 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L150" class="LineNr">150 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L151" class="LineNr">151 </span> <span class="subxS1Comment"># . end</span> +<span id="L152" class="LineNr">152 </span> c3/return +<span id="L153" class="LineNr">153 </span> +<span id="L154" class="LineNr">154 </span><span class="subxTest">test-write-byte-multiple-flushes</span>: +<span id="L155" class="LineNr">155 </span> <span class="subxH1Comment"># - check that write-byte correctly flushes buffered data</span> +<span id="L156" class="LineNr">156 </span> <span class="subxComment"># setup</span> +<span id="L157" class="LineNr">157 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L159" class="LineNr">159 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . call</span> +<span id="L161" class="LineNr">161 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L162" class="LineNr">162 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L163" class="LineNr">163 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> <span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L166" class="LineNr">166 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L167" class="LineNr">167 </span> <span class="subxS2Comment"># . . call</span> -<span id="L168" class="LineNr">168 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L169" class="LineNr">169 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L170" class="LineNr">170 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L171" class="LineNr">171 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L172" class="LineNr">172 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L173" class="LineNr">173 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L174" class="LineNr">174 </span> 05/add-to-EAX 4/imm32 -<span id="L175" class="LineNr">175 </span> 50/push-EAX -<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . call</span> -<span id="L177" class="LineNr">177 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L179" class="LineNr">179 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L180" class="LineNr">180 </span> <span class="subxComment"># fill up the buffer for _test-buffered-file</span> -<span id="L181" class="LineNr">181 </span> <span class="subxS1Comment"># . write(_test-buffered-file+4, 'abcdef')</span> -<span id="L182" class="LineNr">182 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L183" class="LineNr">183 </span> 68/push <span class="Constant">"abcdef"</span>/imm32 -<span id="L184" class="LineNr">184 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L185" class="LineNr">185 </span> 05/add-to-EAX 4/imm32 -<span id="L186" class="LineNr">186 </span> 50/push-EAX -<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . call</span> -<span id="L188" class="LineNr">188 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L189" class="LineNr">189 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L190" class="LineNr">190 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L191" class="LineNr">191 </span> <span class="subxComment"># write-byte(_test-buffered-file, 'g')</span> -<span id="L192" class="LineNr">192 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L193" class="LineNr">193 </span> 68/push 0x67/imm32 -<span id="L194" class="LineNr">194 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 +<span id="L166" class="LineNr">166 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L167" class="LineNr">167 </span> 05/add-to-EAX 4/imm32 +<span id="L168" class="LineNr">168 </span> 50/push-EAX +<span id="L169" class="LineNr">169 </span> <span class="subxS2Comment"># . . call</span> +<span id="L170" class="LineNr">170 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L171" class="LineNr">171 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L172" class="LineNr">172 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L173" class="LineNr">173 </span> <span class="subxComment"># fill up the buffer for _test-buffered-file</span> +<span id="L174" class="LineNr">174 </span> <span class="subxS1Comment"># . write(_test-buffered-file+4, 'abcdef')</span> +<span id="L175" class="LineNr">175 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L176" class="LineNr">176 </span> 68/push <span class="Constant">"abcdef"</span>/imm32 +<span id="L177" class="LineNr">177 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L178" class="LineNr">178 </span> 05/add-to-EAX 4/imm32 +<span id="L179" class="LineNr">179 </span> 50/push-EAX +<span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . call</span> +<span id="L181" class="LineNr">181 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L182" class="LineNr">182 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L183" class="LineNr">183 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L184" class="LineNr">184 </span> <span class="subxComment"># write-byte(_test-buffered-file, 'g')</span> +<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L186" class="LineNr">186 </span> 68/push 0x67/imm32 +<span id="L187" class="LineNr">187 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . call</span> +<span id="L189" class="LineNr">189 </span> e8/call <a href='064write-byte.subx.html#L31'>write-byte</a>/disp32 +<span id="L190" class="LineNr">190 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L191" class="LineNr">191 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L192" class="LineNr">192 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L193" class="LineNr">193 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L194" class="LineNr">194 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 <span id="L195" class="LineNr">195 </span> <span class="subxS2Comment"># . . call</span> -<span id="L196" class="LineNr">196 </span> e8/call <a href='064write-byte.subx.html#L38'>write-byte</a>/disp32 +<span id="L196" class="LineNr">196 </span> e8/call <a href='064write-byte.subx.html#L79'>flush</a>/disp32 <span id="L197" class="LineNr">197 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L198" class="LineNr">198 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L199" class="LineNr">199 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L198" class="LineNr">198 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L199" class="LineNr">199 </span> <span class="subxComment"># check-stream-equal(_test-stream, "abcdef", msg)</span> <span id="L200" class="LineNr">200 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L201" class="LineNr">201 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . call</span> -<span id="L203" class="LineNr">203 </span> e8/call <a href='064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L205" class="LineNr">205 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L206" class="LineNr">206 </span> <span class="subxComment"># check-stream-equal(_test-stream, "abcdef", msg)</span> -<span id="L207" class="LineNr">207 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L208" class="LineNr">208 </span> 68/push <span class="Constant">"F - <a href='064write-byte.subx.html#L161'>test-write-byte-multiple-flushes</a>: 1"</span>/imm32 -<span id="L209" class="LineNr">209 </span> 68/push <span class="Constant">"abcdefg"</span>/imm32 -<span id="L210" class="LineNr">210 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L211" class="LineNr">211 </span> <span class="subxS2Comment"># . . call</span> -<span id="L212" class="LineNr">212 </span> e8/call <a href='058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L213" class="LineNr">213 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L214" class="LineNr">214 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L215" class="LineNr">215 </span> <span class="subxS1Comment"># . end</span> -<span id="L216" class="LineNr">216 </span> c3/return -<span id="L217" class="LineNr">217 </span> -<span id="L218" class="LineNr">218 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L201" class="LineNr">201 </span> 68/push <span class="Constant">"F - <a href='064write-byte.subx.html#L154'>test-write-byte-multiple-flushes</a>: 1"</span>/imm32 +<span id="L202" class="LineNr">202 </span> 68/push <span class="Constant">"abcdefg"</span>/imm32 +<span id="L203" class="LineNr">203 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . call</span> +<span id="L205" class="LineNr">205 </span> e8/call <a href='058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L206" class="LineNr">206 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L207" class="LineNr">207 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L208" class="LineNr">208 </span> <span class="subxS1Comment"># . end</span> +<span id="L209" class="LineNr">209 </span> c3/return +<span id="L210" class="LineNr">210 </span> +<span id="L211" class="LineNr">211 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/065hex.subx.html b/html/subx/065hex.subx.html index 29627791..5cef0d9c 100644 --- a/html/subx/065hex.subx.html +++ b/html/subx/065hex.subx.html @@ -18,7 +18,6 @@ a { color:inherit; } .Constant { color: #008787; } .LineNr { } .subxS1Comment { color: #0000af; } -.SpecialChar { color: #d70000; } .subxFunction { color: #af5f00; text-decoration: underline; } .subxTest { color: #5f8700; } .subxMinorFunction { color: #875f5f; } @@ -67,807 +66,800 @@ if ('onhashchange' in window) { <span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L7" class="LineNr"> 7 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L8" class="LineNr"> 8 </span> -<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># main:</span> -<span id="L10" class="LineNr"> 10 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L12" class="LineNr"> 12 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L13" class="LineNr"> 13 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L14" class="LineNr"> 14 </span> cd/syscall 0x80/imm8 -<span id="L15" class="LineNr"> 15 </span> -<span id="L16" class="LineNr"> 16 </span><span class="subxFunction">is-hex-int?</span>: <span class="subxComment"># in : (address slice) -> EAX : boolean</span> -<span id="L17" class="LineNr"> 17 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L18" class="LineNr"> 18 </span> 55/push-EBP -<span id="L19" class="LineNr"> 19 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L20" class="LineNr"> 20 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L21" class="LineNr"> 21 </span> 51/push-ECX -<span id="L22" class="LineNr"> 22 </span> 52/push-EDX -<span id="L23" class="LineNr"> 23 </span> 53/push-EBX -<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># ECX = s</span> -<span id="L25" class="LineNr"> 25 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> -<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># EDX = s->end</span> -<span id="L27" class="LineNr"> 27 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EDX</span> -<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># curr/ECX = s->start</span> -<span id="L29" class="LineNr"> 29 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to ECX</span> -<span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># if s is empty return false</span> -<span id="L31" class="LineNr"> 31 </span> b8/copy-to-EAX 0/imm32/false -<span id="L32" class="LineNr"> 32 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> -<span id="L33" class="LineNr"> 33 </span> 7d/jump-if-greater-or-equal $is-hex-int?:end/disp8 -<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># skip past leading '-'</span> -<span id="L35" class="LineNr"> 35 </span> <span class="subxS1Comment"># . if (*curr == '-') ++curr</span> -<span id="L36" class="LineNr"> 36 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> -<span id="L37" class="LineNr"> 37 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to BL</span> -<span id="L38" class="LineNr"> 38 </span> 81 7/subop/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x2d/imm32/- <span class="subxComment"># compare EBX</span> -<span id="L39" class="LineNr"> 39 </span> 75/jump-if-not-equal $is-hex-int?:initial-0/disp8 -<span id="L40" class="LineNr"> 40 </span> <span class="subxS1Comment"># . ++curr</span> -<span id="L41" class="LineNr"> 41 </span> 41/increment-ECX -<span id="L42" class="LineNr"> 42 </span> <span class="subxComment"># skip past leading '0x'</span> -<span id="L43" class="LineNr"> 43 </span><span class="Constant">$is-hex-int?:initial-0</span>: -<span id="L44" class="LineNr"> 44 </span> <span class="subxS1Comment"># . if (*curr != '0') jump to loop</span> -<span id="L45" class="LineNr"> 45 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> -<span id="L46" class="LineNr"> 46 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to BL</span> -<span id="L47" class="LineNr"> 47 </span> 81 7/subop/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x30/imm32/0 <span class="subxComment"># compare EBX</span> -<span id="L48" class="LineNr"> 48 </span> 75/jump-if-not-equal $is-hex-int?:loop/disp8 -<span id="L49" class="LineNr"> 49 </span> <span class="subxS1Comment"># . ++curr</span> -<span id="L50" class="LineNr"> 50 </span> 41/increment-ECX -<span id="L51" class="LineNr"> 51 </span><span class="Constant">$is-hex-int?:initial-0x</span>: -<span id="L52" class="LineNr"> 52 </span> <span class="subxS1Comment"># . if (curr >= in->end) return true</span> -<span id="L53" class="LineNr"> 53 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> -<span id="L54" class="LineNr"> 54 </span> 7d/jump-if-greater-or-equal $is-hex-int?:true/disp8 -<span id="L55" class="LineNr"> 55 </span> <span class="subxS1Comment"># . if (*curr != 'x') jump to loop # the previous '0' is still valid so doesn't need to be checked again</span> -<span id="L56" class="LineNr"> 56 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> -<span id="L57" class="LineNr"> 57 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to BL</span> -<span id="L58" class="LineNr"> 58 </span> 81 7/subop/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x78/imm32/x <span class="subxComment"># compare EBX</span> -<span id="L59" class="LineNr"> 59 </span> 75/jump-if-not-equal $is-hex-int?:loop/disp8 -<span id="L60" class="LineNr"> 60 </span> <span class="subxS1Comment"># . ++curr</span> -<span id="L61" class="LineNr"> 61 </span> 41/increment-ECX -<span id="L62" class="LineNr"> 62 </span><span class="Constant">$is-hex-int?:loop</span>: -<span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># if (curr >= in->end) return true</span> -<span id="L64" class="LineNr"> 64 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> -<span id="L65" class="LineNr"> 65 </span> 7d/jump-if-greater-or-equal $is-hex-int?:true/disp8 -<span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># EAX = is-hex-digit?(*curr)</span> -<span id="L67" class="LineNr"> 67 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L68" class="LineNr"> 68 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to AL</span> -<span id="L69" class="LineNr"> 69 </span> 50/push-EAX -<span id="L70" class="LineNr"> 70 </span> <span class="subxS2Comment"># . . call</span> -<span id="L71" class="LineNr"> 71 </span> e8/call <a href='065hex.subx.html#L580'>is-hex-digit?</a>/disp32 -<span id="L72" class="LineNr"> 72 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L73" class="LineNr"> 73 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># if (EAX == false) return false</span> -<span id="L75" class="LineNr"> 75 </span> 3d/compare-with-EAX 0/imm32 -<span id="L76" class="LineNr"> 76 </span> 74/jump-if-equal $is-hex-int?:end/disp8 -<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># ++curr</span> -<span id="L78" class="LineNr"> 78 </span> 41/increment-ECX -<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># loop</span> -<span id="L80" class="LineNr"> 80 </span> eb/jump $is-hex-int?:loop/disp8 -<span id="L81" class="LineNr"> 81 </span><span class="Constant">$is-hex-int?:true</span>: -<span id="L82" class="LineNr"> 82 </span> <span class="subxComment"># return true</span> -<span id="L83" class="LineNr"> 83 </span> b8/copy-to-EAX 1/imm32/true -<span id="L84" class="LineNr"> 84 </span><span class="Constant">$is-hex-int?:end</span>: -<span id="L85" class="LineNr"> 85 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L86" class="LineNr"> 86 </span> 5b/pop-to-EBX -<span id="L87" class="LineNr"> 87 </span> 5a/pop-to-EDX -<span id="L88" class="LineNr"> 88 </span> 59/pop-to-ECX -<span id="L89" class="LineNr"> 89 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L90" class="LineNr"> 90 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L91" class="LineNr"> 91 </span> 5d/pop-to-EBP -<span id="L92" class="LineNr"> 92 </span> c3/return -<span id="L93" class="LineNr"> 93 </span> -<span id="L94" class="LineNr"> 94 </span><span class="subxTest">test-is-hex-int</span>: -<span id="L95" class="LineNr"> 95 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L96" class="LineNr"> 96 </span> 55/push-EBP -<span id="L97" class="LineNr"> 97 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L98" class="LineNr"> 98 </span> <span class="subxComment"># var slice/ECX = "34"</span> -<span id="L99" class="LineNr"> 99 </span> 68/push <a href='065hex.subx.html#L771'>_test-slice-hex-int-end</a>/imm32 -<span id="L100" class="LineNr">100 </span> 68/push <a href='065hex.subx.html#L769'>_test-slice-hex-int</a>/imm32 -<span id="L101" class="LineNr">101 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L102" class="LineNr">102 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxFunction">is-hex-int?</span>: <span class="subxComment"># in : (address slice) -> EAX : boolean</span> +<span id="L10" class="LineNr"> 10 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L11" class="LineNr"> 11 </span> 55/push-EBP +<span id="L12" class="LineNr"> 12 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L13" class="LineNr"> 13 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L14" class="LineNr"> 14 </span> 51/push-ECX +<span id="L15" class="LineNr"> 15 </span> 52/push-EDX +<span id="L16" class="LineNr"> 16 </span> 53/push-EBX +<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># ECX = s</span> +<span id="L18" class="LineNr"> 18 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> +<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># EDX = s->end</span> +<span id="L20" class="LineNr"> 20 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EDX</span> +<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># curr/ECX = s->start</span> +<span id="L22" class="LineNr"> 22 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to ECX</span> +<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># if s is empty return false</span> +<span id="L24" class="LineNr"> 24 </span> b8/copy-to-EAX 0/imm32/false +<span id="L25" class="LineNr"> 25 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> +<span id="L26" class="LineNr"> 26 </span> 7d/jump-if-greater-or-equal $is-hex-int?:end/disp8 +<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># skip past leading '-'</span> +<span id="L28" class="LineNr"> 28 </span> <span class="subxS1Comment"># . if (*curr == '-') ++curr</span> +<span id="L29" class="LineNr"> 29 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> +<span id="L30" class="LineNr"> 30 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to BL</span> +<span id="L31" class="LineNr"> 31 </span> 81 7/subop/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x2d/imm32/- <span class="subxComment"># compare EBX</span> +<span id="L32" class="LineNr"> 32 </span> 75/jump-if-not-equal $is-hex-int?:initial-0/disp8 +<span id="L33" class="LineNr"> 33 </span> <span class="subxS1Comment"># . ++curr</span> +<span id="L34" class="LineNr"> 34 </span> 41/increment-ECX +<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># skip past leading '0x'</span> +<span id="L36" class="LineNr"> 36 </span><span class="Constant">$is-hex-int?:initial-0</span>: +<span id="L37" class="LineNr"> 37 </span> <span class="subxS1Comment"># . if (*curr != '0') jump to loop</span> +<span id="L38" class="LineNr"> 38 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> +<span id="L39" class="LineNr"> 39 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to BL</span> +<span id="L40" class="LineNr"> 40 </span> 81 7/subop/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x30/imm32/0 <span class="subxComment"># compare EBX</span> +<span id="L41" class="LineNr"> 41 </span> 75/jump-if-not-equal $is-hex-int?:loop/disp8 +<span id="L42" class="LineNr"> 42 </span> <span class="subxS1Comment"># . ++curr</span> +<span id="L43" class="LineNr"> 43 </span> 41/increment-ECX +<span id="L44" class="LineNr"> 44 </span><span class="Constant">$is-hex-int?:initial-0x</span>: +<span id="L45" class="LineNr"> 45 </span> <span class="subxS1Comment"># . if (curr >= in->end) return true</span> +<span id="L46" class="LineNr"> 46 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> +<span id="L47" class="LineNr"> 47 </span> 7d/jump-if-greater-or-equal $is-hex-int?:true/disp8 +<span id="L48" class="LineNr"> 48 </span> <span class="subxS1Comment"># . if (*curr != 'x') jump to loop # the previous '0' is still valid so doesn't need to be checked again</span> +<span id="L49" class="LineNr"> 49 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> +<span id="L50" class="LineNr"> 50 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to BL</span> +<span id="L51" class="LineNr"> 51 </span> 81 7/subop/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x78/imm32/x <span class="subxComment"># compare EBX</span> +<span id="L52" class="LineNr"> 52 </span> 75/jump-if-not-equal $is-hex-int?:loop/disp8 +<span id="L53" class="LineNr"> 53 </span> <span class="subxS1Comment"># . ++curr</span> +<span id="L54" class="LineNr"> 54 </span> 41/increment-ECX +<span id="L55" class="LineNr"> 55 </span><span class="Constant">$is-hex-int?:loop</span>: +<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># if (curr >= in->end) return true</span> +<span id="L57" class="LineNr"> 57 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> +<span id="L58" class="LineNr"> 58 </span> 7d/jump-if-greater-or-equal $is-hex-int?:true/disp8 +<span id="L59" class="LineNr"> 59 </span> <span class="subxComment"># EAX = is-hex-digit?(*curr)</span> +<span id="L60" class="LineNr"> 60 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L61" class="LineNr"> 61 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to AL</span> +<span id="L62" class="LineNr"> 62 </span> 50/push-EAX +<span id="L63" class="LineNr"> 63 </span> <span class="subxS2Comment"># . . call</span> +<span id="L64" class="LineNr"> 64 </span> e8/call <a href='065hex.subx.html#L573'>is-hex-digit?</a>/disp32 +<span id="L65" class="LineNr"> 65 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L66" class="LineNr"> 66 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L67" class="LineNr"> 67 </span> <span class="subxComment"># if (EAX == false) return false</span> +<span id="L68" class="LineNr"> 68 </span> 3d/compare-with-EAX 0/imm32 +<span id="L69" class="LineNr"> 69 </span> 74/jump-if-equal $is-hex-int?:end/disp8 +<span id="L70" class="LineNr"> 70 </span> <span class="subxComment"># ++curr</span> +<span id="L71" class="LineNr"> 71 </span> 41/increment-ECX +<span id="L72" class="LineNr"> 72 </span> <span class="subxComment"># loop</span> +<span id="L73" class="LineNr"> 73 </span> eb/jump $is-hex-int?:loop/disp8 +<span id="L74" class="LineNr"> 74 </span><span class="Constant">$is-hex-int?:true</span>: +<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># return true</span> +<span id="L76" class="LineNr"> 76 </span> b8/copy-to-EAX 1/imm32/true +<span id="L77" class="LineNr"> 77 </span><span class="Constant">$is-hex-int?:end</span>: +<span id="L78" class="LineNr"> 78 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L79" class="LineNr"> 79 </span> 5b/pop-to-EBX +<span id="L80" class="LineNr"> 80 </span> 5a/pop-to-EDX +<span id="L81" class="LineNr"> 81 </span> 59/pop-to-ECX +<span id="L82" class="LineNr"> 82 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L83" class="LineNr"> 83 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L84" class="LineNr"> 84 </span> 5d/pop-to-EBP +<span id="L85" class="LineNr"> 85 </span> c3/return +<span id="L86" class="LineNr"> 86 </span> +<span id="L87" class="LineNr"> 87 </span><span class="subxTest">test-is-hex-int</span>: +<span id="L88" class="LineNr"> 88 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L89" class="LineNr"> 89 </span> 55/push-EBP +<span id="L90" class="LineNr"> 90 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># var slice/ECX = "34"</span> +<span id="L92" class="LineNr"> 92 </span> 68/push <a href='065hex.subx.html#L764'>_test-slice-hex-int-end</a>/imm32 +<span id="L93" class="LineNr"> 93 </span> 68/push <a href='065hex.subx.html#L762'>_test-slice-hex-int</a>/imm32 +<span id="L94" class="LineNr"> 94 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L96" class="LineNr"> 96 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L97" class="LineNr"> 97 </span> 51/push-ECX +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . call</span> +<span id="L99" class="LineNr"> 99 </span> e8/call <a href='065hex.subx.html#L9'>is-hex-int?</a>/disp32 +<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L101" class="LineNr">101 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L102" class="LineNr">102 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> <span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L104" class="LineNr">104 </span> 51/push-ECX -<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . call</span> -<span id="L106" class="LineNr">106 </span> e8/call <a href='065hex.subx.html#L16'>is-hex-int?</a>/disp32 -<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L108" class="LineNr">108 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L109" class="LineNr">109 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L111" class="LineNr">111 </span> 68/push <span class="Constant">"F - test-is-hex-int"</span>/imm32 -<span id="L112" class="LineNr">112 </span> 68/push 1/imm32/true -<span id="L113" class="LineNr">113 </span> 50/push-EAX -<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . call</span> -<span id="L115" class="LineNr">115 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L116" class="LineNr">116 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L117" class="LineNr">117 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L118" class="LineNr">118 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L119" class="LineNr">119 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L120" class="LineNr">120 </span> 5d/pop-to-EBP -<span id="L121" class="LineNr">121 </span> c3/return -<span id="L122" class="LineNr">122 </span> -<span id="L123" class="LineNr">123 </span><span class="subxTest">test-is-hex-int-handles-letters</span>: -<span id="L124" class="LineNr">124 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L125" class="LineNr">125 </span> 55/push-EBP -<span id="L126" class="LineNr">126 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L127" class="LineNr">127 </span> <span class="subxComment"># var slice/ECX = "34a"</span> -<span id="L128" class="LineNr">128 </span> 68/push <a href='065hex.subx.html#L777'>_test-slice-hex-int-letters-end</a>/imm32 -<span id="L129" class="LineNr">129 </span> 68/push <a href='065hex.subx.html#L775'>_test-slice-hex-int-letters</a>/imm32 -<span id="L130" class="LineNr">130 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L131" class="LineNr">131 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L104" class="LineNr">104 </span> 68/push <span class="Constant">"F - test-is-hex-int"</span>/imm32 +<span id="L105" class="LineNr">105 </span> 68/push 1/imm32/true +<span id="L106" class="LineNr">106 </span> 50/push-EAX +<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . call</span> +<span id="L108" class="LineNr">108 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L109" class="LineNr">109 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L110" class="LineNr">110 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L111" class="LineNr">111 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L112" class="LineNr">112 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L113" class="LineNr">113 </span> 5d/pop-to-EBP +<span id="L114" class="LineNr">114 </span> c3/return +<span id="L115" class="LineNr">115 </span> +<span id="L116" class="LineNr">116 </span><span class="subxTest">test-is-hex-int-handles-letters</span>: +<span id="L117" class="LineNr">117 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L118" class="LineNr">118 </span> 55/push-EBP +<span id="L119" class="LineNr">119 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L120" class="LineNr">120 </span> <span class="subxComment"># var slice/ECX = "34a"</span> +<span id="L121" class="LineNr">121 </span> 68/push <a href='065hex.subx.html#L770'>_test-slice-hex-int-letters-end</a>/imm32 +<span id="L122" class="LineNr">122 </span> 68/push <a href='065hex.subx.html#L768'>_test-slice-hex-int-letters</a>/imm32 +<span id="L123" class="LineNr">123 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L124" class="LineNr">124 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L125" class="LineNr">125 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L126" class="LineNr">126 </span> 51/push-ECX +<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . call</span> +<span id="L128" class="LineNr">128 </span> e8/call <a href='065hex.subx.html#L9'>is-hex-int?</a>/disp32 +<span id="L129" class="LineNr">129 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L130" class="LineNr">130 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L131" class="LineNr">131 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> <span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L133" class="LineNr">133 </span> 51/push-ECX -<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . call</span> -<span id="L135" class="LineNr">135 </span> e8/call <a href='065hex.subx.html#L16'>is-hex-int?</a>/disp32 -<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L137" class="LineNr">137 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L138" class="LineNr">138 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L140" class="LineNr">140 </span> 68/push <span class="Constant">"F - test-is-hex-int-handles-letters"</span>/imm32 -<span id="L141" class="LineNr">141 </span> 68/push 1/imm32/true -<span id="L142" class="LineNr">142 </span> 50/push-EAX -<span id="L143" class="LineNr">143 </span> <span class="subxS2Comment"># . . call</span> -<span id="L144" class="LineNr">144 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L145" class="LineNr">145 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L146" class="LineNr">146 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L147" class="LineNr">147 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L148" class="LineNr">148 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L149" class="LineNr">149 </span> 5d/pop-to-EBP -<span id="L150" class="LineNr">150 </span> c3/return -<span id="L151" class="LineNr">151 </span> -<span id="L152" class="LineNr">152 </span><span class="subxTest">test-is-hex-int-with-trailing-char</span>: -<span id="L153" class="LineNr">153 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L154" class="LineNr">154 </span> 55/push-EBP -<span id="L155" class="LineNr">155 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L156" class="LineNr">156 </span> <span class="subxComment"># var slice/ECX = "34q"</span> -<span id="L157" class="LineNr">157 </span> 68/push <a href='065hex.subx.html#L789'>_test-slice-digits-and-char-end</a>/imm32 -<span id="L158" class="LineNr">158 </span> 68/push <a href='065hex.subx.html#L787'>_test-slice-digits-and-char</a>/imm32 -<span id="L159" class="LineNr">159 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L160" class="LineNr">160 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L133" class="LineNr">133 </span> 68/push <span class="Constant">"F - test-is-hex-int-handles-letters"</span>/imm32 +<span id="L134" class="LineNr">134 </span> 68/push 1/imm32/true +<span id="L135" class="LineNr">135 </span> 50/push-EAX +<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . call</span> +<span id="L137" class="LineNr">137 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L139" class="LineNr">139 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L140" class="LineNr">140 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L141" class="LineNr">141 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L142" class="LineNr">142 </span> 5d/pop-to-EBP +<span id="L143" class="LineNr">143 </span> c3/return +<span id="L144" class="LineNr">144 </span> +<span id="L145" class="LineNr">145 </span><span class="subxTest">test-is-hex-int-with-trailing-char</span>: +<span id="L146" class="LineNr">146 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L147" class="LineNr">147 </span> 55/push-EBP +<span id="L148" class="LineNr">148 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L149" class="LineNr">149 </span> <span class="subxComment"># var slice/ECX = "34q"</span> +<span id="L150" class="LineNr">150 </span> 68/push <a href='065hex.subx.html#L782'>_test-slice-digits-and-char-end</a>/imm32 +<span id="L151" class="LineNr">151 </span> 68/push <a href='065hex.subx.html#L780'>_test-slice-digits-and-char</a>/imm32 +<span id="L152" class="LineNr">152 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L153" class="LineNr">153 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L155" class="LineNr">155 </span> 51/push-ECX +<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . call</span> +<span id="L157" class="LineNr">157 </span> e8/call <a href='065hex.subx.html#L9'>is-hex-int?</a>/disp32 +<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L159" class="LineNr">159 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L160" class="LineNr">160 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> <span id="L161" class="LineNr">161 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L162" class="LineNr">162 </span> 51/push-ECX -<span id="L163" class="LineNr">163 </span> <span class="subxS2Comment"># . . call</span> -<span id="L164" class="LineNr">164 </span> e8/call <a href='065hex.subx.html#L16'>is-hex-int?</a>/disp32 -<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L166" class="LineNr">166 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L167" class="LineNr">167 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L169" class="LineNr">169 </span> 68/push <span class="Constant">"F - test-is-hex-int-with-trailing-char"</span>/imm32 -<span id="L170" class="LineNr">170 </span> 68/push 0/imm32/false -<span id="L171" class="LineNr">171 </span> 50/push-EAX -<span id="L172" class="LineNr">172 </span> <span class="subxS2Comment"># . . call</span> -<span id="L173" class="LineNr">173 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L175" class="LineNr">175 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L176" class="LineNr">176 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L177" class="LineNr">177 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L178" class="LineNr">178 </span> 5d/pop-to-EBP -<span id="L179" class="LineNr">179 </span> c3/return -<span id="L180" class="LineNr">180 </span> -<span id="L181" class="LineNr">181 </span><span class="subxTest">test-is-hex-int-with-leading-char</span>: -<span id="L182" class="LineNr">182 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L183" class="LineNr">183 </span> 55/push-EBP -<span id="L184" class="LineNr">184 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L185" class="LineNr">185 </span> <span class="subxComment"># var slice/ECX = "q34"</span> -<span id="L186" class="LineNr">186 </span> 68/push <a href='065hex.subx.html#L785'>_test-slice-char-and-digits-end</a>/imm32 -<span id="L187" class="LineNr">187 </span> 68/push <a href='065hex.subx.html#L783'>_test-slice-char-and-digits</a>/imm32 -<span id="L188" class="LineNr">188 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L189" class="LineNr">189 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L162" class="LineNr">162 </span> 68/push <span class="Constant">"F - test-is-hex-int-with-trailing-char"</span>/imm32 +<span id="L163" class="LineNr">163 </span> 68/push 0/imm32/false +<span id="L164" class="LineNr">164 </span> 50/push-EAX +<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . call</span> +<span id="L166" class="LineNr">166 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L167" class="LineNr">167 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L168" class="LineNr">168 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L169" class="LineNr">169 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L170" class="LineNr">170 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L171" class="LineNr">171 </span> 5d/pop-to-EBP +<span id="L172" class="LineNr">172 </span> c3/return +<span id="L173" class="LineNr">173 </span> +<span id="L174" class="LineNr">174 </span><span class="subxTest">test-is-hex-int-with-leading-char</span>: +<span id="L175" class="LineNr">175 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L176" class="LineNr">176 </span> 55/push-EBP +<span id="L177" class="LineNr">177 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L178" class="LineNr">178 </span> <span class="subxComment"># var slice/ECX = "q34"</span> +<span id="L179" class="LineNr">179 </span> 68/push <a href='065hex.subx.html#L778'>_test-slice-char-and-digits-end</a>/imm32 +<span id="L180" class="LineNr">180 </span> 68/push <a href='065hex.subx.html#L776'>_test-slice-char-and-digits</a>/imm32 +<span id="L181" class="LineNr">181 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L182" class="LineNr">182 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L183" class="LineNr">183 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L184" class="LineNr">184 </span> 51/push-ECX +<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . call</span> +<span id="L186" class="LineNr">186 </span> e8/call <a href='065hex.subx.html#L9'>is-hex-int?</a>/disp32 +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L188" class="LineNr">188 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L189" class="LineNr">189 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> <span id="L190" class="LineNr">190 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L191" class="LineNr">191 </span> 51/push-ECX -<span id="L192" class="LineNr">192 </span> <span class="subxS2Comment"># . . call</span> -<span id="L193" class="LineNr">193 </span> e8/call <a href='065hex.subx.html#L16'>is-hex-int?</a>/disp32 -<span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L195" class="LineNr">195 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L196" class="LineNr">196 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L197" class="LineNr">197 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L198" class="LineNr">198 </span> 68/push <span class="Constant">"F - test-is-hex-int-with-leading-char"</span>/imm32 -<span id="L199" class="LineNr">199 </span> 68/push 0/imm32/false -<span id="L200" class="LineNr">200 </span> 50/push-EAX -<span id="L201" class="LineNr">201 </span> <span class="subxS2Comment"># . . call</span> -<span id="L202" class="LineNr">202 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L203" class="LineNr">203 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L204" class="LineNr">204 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L205" class="LineNr">205 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L206" class="LineNr">206 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L207" class="LineNr">207 </span> 5d/pop-to-EBP -<span id="L208" class="LineNr">208 </span> c3/return -<span id="L209" class="LineNr">209 </span> -<span id="L210" class="LineNr">210 </span><span class="subxTest">test-is-hex-int-empty</span>: -<span id="L211" class="LineNr">211 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L212" class="LineNr">212 </span> 55/push-EBP -<span id="L213" class="LineNr">213 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L214" class="LineNr">214 </span> <span class="subxComment"># var slice/ECX = ""</span> -<span id="L215" class="LineNr">215 </span> 68/push <a href='065hex.subx.html#L767'>_test-slice-empty-end</a>/imm32 -<span id="L216" class="LineNr">216 </span> 68/push <a href='065hex.subx.html#L765'>_test-slice-empty</a>/imm32 -<span id="L217" class="LineNr">217 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L218" class="LineNr">218 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L191" class="LineNr">191 </span> 68/push <span class="Constant">"F - test-is-hex-int-with-leading-char"</span>/imm32 +<span id="L192" class="LineNr">192 </span> 68/push 0/imm32/false +<span id="L193" class="LineNr">193 </span> 50/push-EAX +<span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . call</span> +<span id="L195" class="LineNr">195 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L196" class="LineNr">196 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L197" class="LineNr">197 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L198" class="LineNr">198 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L199" class="LineNr">199 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L200" class="LineNr">200 </span> 5d/pop-to-EBP +<span id="L201" class="LineNr">201 </span> c3/return +<span id="L202" class="LineNr">202 </span> +<span id="L203" class="LineNr">203 </span><span class="subxTest">test-is-hex-int-empty</span>: +<span id="L204" class="LineNr">204 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L205" class="LineNr">205 </span> 55/push-EBP +<span id="L206" class="LineNr">206 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L207" class="LineNr">207 </span> <span class="subxComment"># var slice/ECX = ""</span> +<span id="L208" class="LineNr">208 </span> 68/push <a href='065hex.subx.html#L760'>_test-slice-empty-end</a>/imm32 +<span id="L209" class="LineNr">209 </span> 68/push <a href='065hex.subx.html#L758'>_test-slice-empty</a>/imm32 +<span id="L210" class="LineNr">210 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L211" class="LineNr">211 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L212" class="LineNr">212 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L213" class="LineNr">213 </span> 51/push-ECX +<span id="L214" class="LineNr">214 </span> <span class="subxS2Comment"># . . call</span> +<span id="L215" class="LineNr">215 </span> e8/call <a href='065hex.subx.html#L9'>is-hex-int?</a>/disp32 +<span id="L216" class="LineNr">216 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L217" class="LineNr">217 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L218" class="LineNr">218 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> <span id="L219" class="LineNr">219 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L220" class="LineNr">220 </span> 51/push-ECX -<span id="L221" class="LineNr">221 </span> <span class="subxS2Comment"># . . call</span> -<span id="L222" class="LineNr">222 </span> e8/call <a href='065hex.subx.html#L16'>is-hex-int?</a>/disp32 -<span id="L223" class="LineNr">223 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L224" class="LineNr">224 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L225" class="LineNr">225 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L226" class="LineNr">226 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L227" class="LineNr">227 </span> 68/push <span class="Constant">"F - test-is-hex-int-empty"</span>/imm32 -<span id="L228" class="LineNr">228 </span> 68/push 0/imm32/false -<span id="L229" class="LineNr">229 </span> 50/push-EAX -<span id="L230" class="LineNr">230 </span> <span class="subxS2Comment"># . . call</span> -<span id="L231" class="LineNr">231 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L232" class="LineNr">232 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L233" class="LineNr">233 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L234" class="LineNr">234 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L235" class="LineNr">235 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L236" class="LineNr">236 </span> 5d/pop-to-EBP -<span id="L237" class="LineNr">237 </span> c3/return -<span id="L238" class="LineNr">238 </span> -<span id="L239" class="LineNr">239 </span><span class="subxTest">test-is-hex-int-handles-0x-prefix</span>: -<span id="L240" class="LineNr">240 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L241" class="LineNr">241 </span> 55/push-EBP -<span id="L242" class="LineNr">242 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L243" class="LineNr">243 </span> <span class="subxComment"># var slice/ECX = "0x3a"</span> -<span id="L244" class="LineNr">244 </span> 68/push <a href='065hex.subx.html#L795'>_test-slice-hex-int-with-0x-prefix-end</a>/imm32 -<span id="L245" class="LineNr">245 </span> 68/push <a href='065hex.subx.html#L793'>_test-slice-hex-int-with-0x-prefix</a>/imm32 -<span id="L246" class="LineNr">246 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L247" class="LineNr">247 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L220" class="LineNr">220 </span> 68/push <span class="Constant">"F - test-is-hex-int-empty"</span>/imm32 +<span id="L221" class="LineNr">221 </span> 68/push 0/imm32/false +<span id="L222" class="LineNr">222 </span> 50/push-EAX +<span id="L223" class="LineNr">223 </span> <span class="subxS2Comment"># . . call</span> +<span id="L224" class="LineNr">224 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L225" class="LineNr">225 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L226" class="LineNr">226 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L227" class="LineNr">227 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L228" class="LineNr">228 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L229" class="LineNr">229 </span> 5d/pop-to-EBP +<span id="L230" class="LineNr">230 </span> c3/return +<span id="L231" class="LineNr">231 </span> +<span id="L232" class="LineNr">232 </span><span class="subxTest">test-is-hex-int-handles-0x-prefix</span>: +<span id="L233" class="LineNr">233 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L234" class="LineNr">234 </span> 55/push-EBP +<span id="L235" class="LineNr">235 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L236" class="LineNr">236 </span> <span class="subxComment"># var slice/ECX = "0x3a"</span> +<span id="L237" class="LineNr">237 </span> 68/push <a href='065hex.subx.html#L788'>_test-slice-hex-int-with-0x-prefix-end</a>/imm32 +<span id="L238" class="LineNr">238 </span> 68/push <a href='065hex.subx.html#L786'>_test-slice-hex-int-with-0x-prefix</a>/imm32 +<span id="L239" class="LineNr">239 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L240" class="LineNr">240 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L241" class="LineNr">241 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L242" class="LineNr">242 </span> 51/push-ECX +<span id="L243" class="LineNr">243 </span> <span class="subxS2Comment"># . . call</span> +<span id="L244" class="LineNr">244 </span> e8/call <a href='065hex.subx.html#L9'>is-hex-int?</a>/disp32 +<span id="L245" class="LineNr">245 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L246" class="LineNr">246 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L247" class="LineNr">247 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> <span id="L248" class="LineNr">248 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L249" class="LineNr">249 </span> 51/push-ECX -<span id="L250" class="LineNr">250 </span> <span class="subxS2Comment"># . . call</span> -<span id="L251" class="LineNr">251 </span> e8/call <a href='065hex.subx.html#L16'>is-hex-int?</a>/disp32 -<span id="L252" class="LineNr">252 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L253" class="LineNr">253 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L254" class="LineNr">254 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L255" class="LineNr">255 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L256" class="LineNr">256 </span> 68/push <span class="Constant">"F - test-is-hex-int-handles-0x-prefix"</span>/imm32 -<span id="L257" class="LineNr">257 </span> 68/push 1/imm32/true -<span id="L258" class="LineNr">258 </span> 50/push-EAX -<span id="L259" class="LineNr">259 </span> <span class="subxS2Comment"># . . call</span> -<span id="L260" class="LineNr">260 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L261" class="LineNr">261 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L262" class="LineNr">262 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L263" class="LineNr">263 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L264" class="LineNr">264 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L265" class="LineNr">265 </span> 5d/pop-to-EBP -<span id="L266" class="LineNr">266 </span> c3/return -<span id="L267" class="LineNr">267 </span> -<span id="L268" class="LineNr">268 </span><span class="subxTest">test-is-hex-int-handles-negative</span>: -<span id="L269" class="LineNr">269 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L270" class="LineNr">270 </span> 55/push-EBP -<span id="L271" class="LineNr">271 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L272" class="LineNr">272 </span> <span class="subxComment"># var slice/ECX = "-34a"</span> -<span id="L273" class="LineNr">273 </span> 68/push <a href='065hex.subx.html#L777'>_test-slice-hex-int-letters-end</a>/imm32 -<span id="L274" class="LineNr">274 </span> 68/push <a href='065hex.subx.html#L773'>_test-slice-hex-int-letters-negative</a>/imm32 -<span id="L275" class="LineNr">275 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L276" class="LineNr">276 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L249" class="LineNr">249 </span> 68/push <span class="Constant">"F - test-is-hex-int-handles-0x-prefix"</span>/imm32 +<span id="L250" class="LineNr">250 </span> 68/push 1/imm32/true +<span id="L251" class="LineNr">251 </span> 50/push-EAX +<span id="L252" class="LineNr">252 </span> <span class="subxS2Comment"># . . call</span> +<span id="L253" class="LineNr">253 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L254" class="LineNr">254 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L255" class="LineNr">255 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L256" class="LineNr">256 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L257" class="LineNr">257 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L258" class="LineNr">258 </span> 5d/pop-to-EBP +<span id="L259" class="LineNr">259 </span> c3/return +<span id="L260" class="LineNr">260 </span> +<span id="L261" class="LineNr">261 </span><span class="subxTest">test-is-hex-int-handles-negative</span>: +<span id="L262" class="LineNr">262 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L263" class="LineNr">263 </span> 55/push-EBP +<span id="L264" class="LineNr">264 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L265" class="LineNr">265 </span> <span class="subxComment"># var slice/ECX = "-34a"</span> +<span id="L266" class="LineNr">266 </span> 68/push <a href='065hex.subx.html#L770'>_test-slice-hex-int-letters-end</a>/imm32 +<span id="L267" class="LineNr">267 </span> 68/push <a href='065hex.subx.html#L766'>_test-slice-hex-int-letters-negative</a>/imm32 +<span id="L268" class="LineNr">268 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L269" class="LineNr">269 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L270" class="LineNr">270 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L271" class="LineNr">271 </span> 51/push-ECX +<span id="L272" class="LineNr">272 </span> <span class="subxS2Comment"># . . call</span> +<span id="L273" class="LineNr">273 </span> e8/call <a href='065hex.subx.html#L9'>is-hex-int?</a>/disp32 +<span id="L274" class="LineNr">274 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L275" class="LineNr">275 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L276" class="LineNr">276 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> <span id="L277" class="LineNr">277 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L278" class="LineNr">278 </span> 51/push-ECX -<span id="L279" class="LineNr">279 </span> <span class="subxS2Comment"># . . call</span> -<span id="L280" class="LineNr">280 </span> e8/call <a href='065hex.subx.html#L16'>is-hex-int?</a>/disp32 -<span id="L281" class="LineNr">281 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L282" class="LineNr">282 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L283" class="LineNr">283 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L284" class="LineNr">284 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L285" class="LineNr">285 </span> 68/push <span class="Constant">"F - test-is-hex-int-handles-negative"</span>/imm32 -<span id="L286" class="LineNr">286 </span> 68/push 1/imm32/true -<span id="L287" class="LineNr">287 </span> 50/push-EAX -<span id="L288" class="LineNr">288 </span> <span class="subxS2Comment"># . . call</span> -<span id="L289" class="LineNr">289 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L290" class="LineNr">290 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L291" class="LineNr">291 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L292" class="LineNr">292 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L293" class="LineNr">293 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L294" class="LineNr">294 </span> 5d/pop-to-EBP -<span id="L295" class="LineNr">295 </span> c3/return -<span id="L296" class="LineNr">296 </span> -<span id="L297" class="LineNr">297 </span><span class="subxTest">test-is-hex-int-handles-negative-0x-prefix</span>: -<span id="L298" class="LineNr">298 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L299" class="LineNr">299 </span> 55/push-EBP -<span id="L300" class="LineNr">300 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L301" class="LineNr">301 </span> <span class="subxComment"># var slice/ECX = "-0x3a"</span> -<span id="L302" class="LineNr">302 </span> 68/push <a href='065hex.subx.html#L795'>_test-slice-hex-int-with-0x-prefix-end</a>/imm32 -<span id="L303" class="LineNr">303 </span> 68/push <a href='065hex.subx.html#L791'>_test-slice-hex-int-with-0x-prefix-negative</a>/imm32 -<span id="L304" class="LineNr">304 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L305" class="LineNr">305 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L278" class="LineNr">278 </span> 68/push <span class="Constant">"F - test-is-hex-int-handles-negative"</span>/imm32 +<span id="L279" class="LineNr">279 </span> 68/push 1/imm32/true +<span id="L280" class="LineNr">280 </span> 50/push-EAX +<span id="L281" class="LineNr">281 </span> <span class="subxS2Comment"># . . call</span> +<span id="L282" class="LineNr">282 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L283" class="LineNr">283 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L284" class="LineNr">284 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L285" class="LineNr">285 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L286" class="LineNr">286 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L287" class="LineNr">287 </span> 5d/pop-to-EBP +<span id="L288" class="LineNr">288 </span> c3/return +<span id="L289" class="LineNr">289 </span> +<span id="L290" class="LineNr">290 </span><span class="subxTest">test-is-hex-int-handles-negative-0x-prefix</span>: +<span id="L291" class="LineNr">291 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L292" class="LineNr">292 </span> 55/push-EBP +<span id="L293" class="LineNr">293 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L294" class="LineNr">294 </span> <span class="subxComment"># var slice/ECX = "-0x3a"</span> +<span id="L295" class="LineNr">295 </span> 68/push <a href='065hex.subx.html#L788'>_test-slice-hex-int-with-0x-prefix-end</a>/imm32 +<span id="L296" class="LineNr">296 </span> 68/push <a href='065hex.subx.html#L784'>_test-slice-hex-int-with-0x-prefix-negative</a>/imm32 +<span id="L297" class="LineNr">297 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L298" class="LineNr">298 </span> <span class="subxComment"># EAX = is-hex-int?(slice)</span> +<span id="L299" class="LineNr">299 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L300" class="LineNr">300 </span> 51/push-ECX +<span id="L301" class="LineNr">301 </span> <span class="subxS2Comment"># . . call</span> +<span id="L302" class="LineNr">302 </span> e8/call <a href='065hex.subx.html#L9'>is-hex-int?</a>/disp32 +<span id="L303" class="LineNr">303 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L304" class="LineNr">304 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L305" class="LineNr">305 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> <span id="L306" class="LineNr">306 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L307" class="LineNr">307 </span> 51/push-ECX -<span id="L308" class="LineNr">308 </span> <span class="subxS2Comment"># . . call</span> -<span id="L309" class="LineNr">309 </span> e8/call <a href='065hex.subx.html#L16'>is-hex-int?</a>/disp32 -<span id="L310" class="LineNr">310 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L311" class="LineNr">311 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L312" class="LineNr">312 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L313" class="LineNr">313 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L314" class="LineNr">314 </span> 68/push <span class="Constant">"F - test-is-hex-int-handles-negative-0x-prefix"</span>/imm32 -<span id="L315" class="LineNr">315 </span> 68/push 1/imm32/true -<span id="L316" class="LineNr">316 </span> 50/push-EAX -<span id="L317" class="LineNr">317 </span> <span class="subxS2Comment"># . . call</span> -<span id="L318" class="LineNr">318 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L319" class="LineNr">319 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L320" class="LineNr">320 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L321" class="LineNr">321 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L322" class="LineNr">322 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L323" class="LineNr">323 </span> 5d/pop-to-EBP -<span id="L324" class="LineNr">324 </span> c3/return -<span id="L325" class="LineNr">325 </span> -<span id="L326" class="LineNr">326 </span><span class="subxFunction">parse-hex-int</span>: <span class="subxComment"># in : (address slice) -> result/EAX</span> -<span id="L327" class="LineNr">327 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L328" class="LineNr">328 </span> 55/push-EBP -<span id="L329" class="LineNr">329 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L330" class="LineNr">330 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L331" class="LineNr">331 </span> 51/push-ECX -<span id="L332" class="LineNr">332 </span> 52/push-EDX -<span id="L333" class="LineNr">333 </span> 53/push-EBX -<span id="L334" class="LineNr">334 </span> 56/push-ESI -<span id="L335" class="LineNr">335 </span> <span class="subxComment"># result/EBX = 0</span> -<span id="L336" class="LineNr">336 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> -<span id="L337" class="LineNr">337 </span> <span class="subxComment"># ECX = s</span> -<span id="L338" class="LineNr">338 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> -<span id="L339" class="LineNr">339 </span> <span class="subxComment"># EDX = s->end</span> -<span id="L340" class="LineNr">340 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EDX</span> -<span id="L341" class="LineNr">341 </span> <span class="subxComment"># curr/ECX = s->start</span> -<span id="L342" class="LineNr">342 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to ECX</span> -<span id="L343" class="LineNr">343 </span> <span class="subxComment"># negate?/ESI = false</span> -<span id="L344" class="LineNr">344 </span> 31/xor 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ESI</span> -<span id="L345" class="LineNr">345 </span><span class="Constant">$parse-hex-int:negative</span>: -<span id="L346" class="LineNr">346 </span> <span class="subxS1Comment"># . if (*curr == '-') negate = true</span> -<span id="L347" class="LineNr">347 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L348" class="LineNr">348 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to AL</span> -<span id="L349" class="LineNr">349 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x2d/imm32/- <span class="subxComment"># compare EAX</span> -<span id="L350" class="LineNr">350 </span> 75/jump-if-not-equal $parse-hex-int:initial-0/disp8 -<span id="L351" class="LineNr">351 </span> <span class="subxS1Comment"># . ++curr</span> -<span id="L352" class="LineNr">352 </span> 41/increment-ECX -<span id="L353" class="LineNr">353 </span> <span class="subxS1Comment"># . negate = true</span> -<span id="L354" class="LineNr">354 </span> be/copy-to-ESI 1/imm32/true -<span id="L355" class="LineNr">355 </span><span class="Constant">$parse-hex-int:initial-0</span>: -<span id="L356" class="LineNr">356 </span> <span class="subxComment"># skip past leading '0x'</span> -<span id="L357" class="LineNr">357 </span> <span class="subxS1Comment"># . if (*curr != '0') jump to loop</span> -<span id="L358" class="LineNr">358 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to AL</span> -<span id="L359" class="LineNr">359 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x30/imm32/0 <span class="subxComment"># compare EAX</span> -<span id="L360" class="LineNr">360 </span> 75/jump-if-not-equal $parse-hex-int:loop/disp8 -<span id="L361" class="LineNr">361 </span> <span class="subxS1Comment"># . ++curr</span> -<span id="L362" class="LineNr">362 </span> 41/increment-ECX -<span id="L363" class="LineNr">363 </span><span class="Constant">$parse-hex-int:initial-0x</span>: -<span id="L364" class="LineNr">364 </span> <span class="subxS1Comment"># . if (curr >= in->end) return result</span> -<span id="L365" class="LineNr">365 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> -<span id="L366" class="LineNr">366 </span> 7d/jump-if-greater-or-equal $parse-hex-int:end/disp8 -<span id="L367" class="LineNr">367 </span> <span class="subxS1Comment"># . if (*curr != 'x') jump to loop # the previous '0' is still valid so doesn't need to be checked again</span> -<span id="L368" class="LineNr">368 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L369" class="LineNr">369 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to AL</span> -<span id="L370" class="LineNr">370 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x78/imm32/x <span class="subxComment"># compare EAX</span> -<span id="L371" class="LineNr">371 </span> 75/jump-if-not-equal $parse-hex-int:loop/disp8 -<span id="L372" class="LineNr">372 </span> <span class="subxS1Comment"># . ++curr</span> -<span id="L373" class="LineNr">373 </span> 41/increment-ECX -<span id="L374" class="LineNr">374 </span><span class="Constant">$parse-hex-int:loop</span>: -<span id="L375" class="LineNr">375 </span> <span class="subxComment"># if (curr >= in->end) break</span> -<span id="L376" class="LineNr">376 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> -<span id="L377" class="LineNr">377 </span> 7d/jump-if-greater-or-equal $parse-hex-int:negate/disp8 -<span id="L378" class="LineNr">378 </span> <span class="subxComment"># EAX = from-hex-char(*curr)</span> -<span id="L379" class="LineNr">379 </span> <span class="subxS2Comment"># . . copy arg to EAX</span> -<span id="L380" class="LineNr">380 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to AL</span> -<span id="L381" class="LineNr">381 </span> <span class="subxS2Comment"># . . call</span> -<span id="L382" class="LineNr">382 </span> e8/call <a href='065hex.subx.html#L739'>from-hex-char</a>/disp32 -<span id="L383" class="LineNr">383 </span> <span class="subxComment"># result = result * 16 + EAX</span> -<span id="L384" class="LineNr">384 </span> c1/shift 4/subop/left 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm8 <span class="subxComment"># shift EBX left by 4 bits</span> -<span id="L385" class="LineNr">385 </span> 01/add 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to EBX</span> -<span id="L386" class="LineNr">386 </span> <span class="subxComment"># ++curr</span> -<span id="L387" class="LineNr">387 </span> 41/increment-ECX -<span id="L388" class="LineNr">388 </span> <span class="subxComment"># loop</span> -<span id="L389" class="LineNr">389 </span> eb/jump $parse-hex-int:loop/disp8 -<span id="L390" class="LineNr">390 </span><span class="Constant">$parse-hex-int:negate</span>: -<span id="L391" class="LineNr">391 </span> 81 7/subop/compare 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare ESI</span> -<span id="L392" class="LineNr">392 </span> 74/jump-if-equal $parse-hex-int:end/disp8 -<span id="L393" class="LineNr">393 </span> f7 3/subop/negate 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># negate EBX</span> -<span id="L394" class="LineNr">394 </span><span class="Constant">$parse-hex-int:end</span>: -<span id="L395" class="LineNr">395 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBX to EAX</span> -<span id="L396" class="LineNr">396 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L397" class="LineNr">397 </span> 5e/pop-to-ESI -<span id="L398" class="LineNr">398 </span> 5b/pop-to-EBX -<span id="L399" class="LineNr">399 </span> 5a/pop-to-EDX -<span id="L400" class="LineNr">400 </span> 59/pop-to-ECX -<span id="L401" class="LineNr">401 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L402" class="LineNr">402 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L403" class="LineNr">403 </span> 5d/pop-to-EBP -<span id="L404" class="LineNr">404 </span> c3/return -<span id="L405" class="LineNr">405 </span> -<span id="L406" class="LineNr">406 </span><span class="subxTest">test-parse-hex-int-single-digit</span>: -<span id="L407" class="LineNr">407 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L408" class="LineNr">408 </span> 55/push-EBP -<span id="L409" class="LineNr">409 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L410" class="LineNr">410 </span> <span class="subxComment"># var slice/ECX = "a"</span> -<span id="L411" class="LineNr">411 </span> 68/push <a href='065hex.subx.html#L781'>_test-slice-hex-int-single-letter-end</a>/imm32 -<span id="L412" class="LineNr">412 </span> 68/push <a href='065hex.subx.html#L779'>_test-slice-hex-int-single-letter</a>/imm32 -<span id="L413" class="LineNr">413 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L414" class="LineNr">414 </span> <span class="subxComment"># EAX = parse-hex-int(slice)</span> +<span id="L307" class="LineNr">307 </span> 68/push <span class="Constant">"F - test-is-hex-int-handles-negative-0x-prefix"</span>/imm32 +<span id="L308" class="LineNr">308 </span> 68/push 1/imm32/true +<span id="L309" class="LineNr">309 </span> 50/push-EAX +<span id="L310" class="LineNr">310 </span> <span class="subxS2Comment"># . . call</span> +<span id="L311" class="LineNr">311 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L312" class="LineNr">312 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L313" class="LineNr">313 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L314" class="LineNr">314 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L315" class="LineNr">315 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L316" class="LineNr">316 </span> 5d/pop-to-EBP +<span id="L317" class="LineNr">317 </span> c3/return +<span id="L318" class="LineNr">318 </span> +<span id="L319" class="LineNr">319 </span><span class="subxFunction">parse-hex-int</span>: <span class="subxComment"># in : (address slice) -> result/EAX</span> +<span id="L320" class="LineNr">320 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L321" class="LineNr">321 </span> 55/push-EBP +<span id="L322" class="LineNr">322 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L323" class="LineNr">323 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L324" class="LineNr">324 </span> 51/push-ECX +<span id="L325" class="LineNr">325 </span> 52/push-EDX +<span id="L326" class="LineNr">326 </span> 53/push-EBX +<span id="L327" class="LineNr">327 </span> 56/push-ESI +<span id="L328" class="LineNr">328 </span> <span class="subxComment"># result/EBX = 0</span> +<span id="L329" class="LineNr">329 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> +<span id="L330" class="LineNr">330 </span> <span class="subxComment"># ECX = s</span> +<span id="L331" class="LineNr">331 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> +<span id="L332" class="LineNr">332 </span> <span class="subxComment"># EDX = s->end</span> +<span id="L333" class="LineNr">333 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EDX</span> +<span id="L334" class="LineNr">334 </span> <span class="subxComment"># curr/ECX = s->start</span> +<span id="L335" class="LineNr">335 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to ECX</span> +<span id="L336" class="LineNr">336 </span> <span class="subxComment"># negate?/ESI = false</span> +<span id="L337" class="LineNr">337 </span> 31/xor 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ESI</span> +<span id="L338" class="LineNr">338 </span><span class="Constant">$parse-hex-int:negative</span>: +<span id="L339" class="LineNr">339 </span> <span class="subxS1Comment"># . if (*curr == '-') negate = true</span> +<span id="L340" class="LineNr">340 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L341" class="LineNr">341 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to AL</span> +<span id="L342" class="LineNr">342 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x2d/imm32/- <span class="subxComment"># compare EAX</span> +<span id="L343" class="LineNr">343 </span> 75/jump-if-not-equal $parse-hex-int:initial-0/disp8 +<span id="L344" class="LineNr">344 </span> <span class="subxS1Comment"># . ++curr</span> +<span id="L345" class="LineNr">345 </span> 41/increment-ECX +<span id="L346" class="LineNr">346 </span> <span class="subxS1Comment"># . negate = true</span> +<span id="L347" class="LineNr">347 </span> be/copy-to-ESI 1/imm32/true +<span id="L348" class="LineNr">348 </span><span class="Constant">$parse-hex-int:initial-0</span>: +<span id="L349" class="LineNr">349 </span> <span class="subxComment"># skip past leading '0x'</span> +<span id="L350" class="LineNr">350 </span> <span class="subxS1Comment"># . if (*curr != '0') jump to loop</span> +<span id="L351" class="LineNr">351 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to AL</span> +<span id="L352" class="LineNr">352 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x30/imm32/0 <span class="subxComment"># compare EAX</span> +<span id="L353" class="LineNr">353 </span> 75/jump-if-not-equal $parse-hex-int:loop/disp8 +<span id="L354" class="LineNr">354 </span> <span class="subxS1Comment"># . ++curr</span> +<span id="L355" class="LineNr">355 </span> 41/increment-ECX +<span id="L356" class="LineNr">356 </span><span class="Constant">$parse-hex-int:initial-0x</span>: +<span id="L357" class="LineNr">357 </span> <span class="subxS1Comment"># . if (curr >= in->end) return result</span> +<span id="L358" class="LineNr">358 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> +<span id="L359" class="LineNr">359 </span> 7d/jump-if-greater-or-equal $parse-hex-int:end/disp8 +<span id="L360" class="LineNr">360 </span> <span class="subxS1Comment"># . if (*curr != 'x') jump to loop # the previous '0' is still valid so doesn't need to be checked again</span> +<span id="L361" class="LineNr">361 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L362" class="LineNr">362 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to AL</span> +<span id="L363" class="LineNr">363 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x78/imm32/x <span class="subxComment"># compare EAX</span> +<span id="L364" class="LineNr">364 </span> 75/jump-if-not-equal $parse-hex-int:loop/disp8 +<span id="L365" class="LineNr">365 </span> <span class="subxS1Comment"># . ++curr</span> +<span id="L366" class="LineNr">366 </span> 41/increment-ECX +<span id="L367" class="LineNr">367 </span><span class="Constant">$parse-hex-int:loop</span>: +<span id="L368" class="LineNr">368 </span> <span class="subxComment"># if (curr >= in->end) break</span> +<span id="L369" class="LineNr">369 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> +<span id="L370" class="LineNr">370 </span> 7d/jump-if-greater-or-equal $parse-hex-int:negate/disp8 +<span id="L371" class="LineNr">371 </span> <span class="subxComment"># EAX = from-hex-char(*curr)</span> +<span id="L372" class="LineNr">372 </span> <span class="subxS2Comment"># . . copy arg to EAX</span> +<span id="L373" class="LineNr">373 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to AL</span> +<span id="L374" class="LineNr">374 </span> <span class="subxS2Comment"># . . call</span> +<span id="L375" class="LineNr">375 </span> e8/call <a href='065hex.subx.html#L732'>from-hex-char</a>/disp32 +<span id="L376" class="LineNr">376 </span> <span class="subxComment"># result = result * 16 + EAX</span> +<span id="L377" class="LineNr">377 </span> c1/shift 4/subop/left 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm8 <span class="subxComment"># shift EBX left by 4 bits</span> +<span id="L378" class="LineNr">378 </span> 01/add 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add EAX to EBX</span> +<span id="L379" class="LineNr">379 </span> <span class="subxComment"># ++curr</span> +<span id="L380" class="LineNr">380 </span> 41/increment-ECX +<span id="L381" class="LineNr">381 </span> <span class="subxComment"># loop</span> +<span id="L382" class="LineNr">382 </span> eb/jump $parse-hex-int:loop/disp8 +<span id="L383" class="LineNr">383 </span><span class="Constant">$parse-hex-int:negate</span>: +<span id="L384" class="LineNr">384 </span> 81 7/subop/compare 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare ESI</span> +<span id="L385" class="LineNr">385 </span> 74/jump-if-equal $parse-hex-int:end/disp8 +<span id="L386" class="LineNr">386 </span> f7 3/subop/negate 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># negate EBX</span> +<span id="L387" class="LineNr">387 </span><span class="Constant">$parse-hex-int:end</span>: +<span id="L388" class="LineNr">388 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBX to EAX</span> +<span id="L389" class="LineNr">389 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L390" class="LineNr">390 </span> 5e/pop-to-ESI +<span id="L391" class="LineNr">391 </span> 5b/pop-to-EBX +<span id="L392" class="LineNr">392 </span> 5a/pop-to-EDX +<span id="L393" class="LineNr">393 </span> 59/pop-to-ECX +<span id="L394" class="LineNr">394 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L395" class="LineNr">395 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L396" class="LineNr">396 </span> 5d/pop-to-EBP +<span id="L397" class="LineNr">397 </span> c3/return +<span id="L398" class="LineNr">398 </span> +<span id="L399" class="LineNr">399 </span><span class="subxTest">test-parse-hex-int-single-digit</span>: +<span id="L400" class="LineNr">400 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L401" class="LineNr">401 </span> 55/push-EBP +<span id="L402" class="LineNr">402 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L403" class="LineNr">403 </span> <span class="subxComment"># var slice/ECX = "a"</span> +<span id="L404" class="LineNr">404 </span> 68/push <a href='065hex.subx.html#L774'>_test-slice-hex-int-single-letter-end</a>/imm32 +<span id="L405" class="LineNr">405 </span> 68/push <a href='065hex.subx.html#L772'>_test-slice-hex-int-single-letter</a>/imm32 +<span id="L406" class="LineNr">406 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L407" class="LineNr">407 </span> <span class="subxComment"># EAX = parse-hex-int(slice)</span> +<span id="L408" class="LineNr">408 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L409" class="LineNr">409 </span> 51/push-ECX +<span id="L410" class="LineNr">410 </span> <span class="subxS2Comment"># . . call</span> +<span id="L411" class="LineNr">411 </span> e8/call <a href='065hex.subx.html#L319'>parse-hex-int</a>/disp32 +<span id="L412" class="LineNr">412 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L413" class="LineNr">413 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L414" class="LineNr">414 </span> <span class="subxComment"># check-ints-equal(EAX, 0xa, msg)</span> <span id="L415" class="LineNr">415 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L416" class="LineNr">416 </span> 51/push-ECX -<span id="L417" class="LineNr">417 </span> <span class="subxS2Comment"># . . call</span> -<span id="L418" class="LineNr">418 </span> e8/call <a href='065hex.subx.html#L326'>parse-hex-int</a>/disp32 -<span id="L419" class="LineNr">419 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L420" class="LineNr">420 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L421" class="LineNr">421 </span> <span class="subxComment"># check-ints-equal(EAX, 0xa, msg)</span> -<span id="L422" class="LineNr">422 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L423" class="LineNr">423 </span> 68/push <span class="Constant">"F - test-parse-hex-int-single-digit"</span>/imm32 -<span id="L424" class="LineNr">424 </span> 68/push 0xa/imm32 -<span id="L425" class="LineNr">425 </span> 50/push-EAX -<span id="L426" class="LineNr">426 </span> <span class="subxS2Comment"># . . call</span> -<span id="L427" class="LineNr">427 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L428" class="LineNr">428 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L429" class="LineNr">429 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L430" class="LineNr">430 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L431" class="LineNr">431 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L432" class="LineNr">432 </span> 5d/pop-to-EBP -<span id="L433" class="LineNr">433 </span> c3/return -<span id="L434" class="LineNr">434 </span> -<span id="L435" class="LineNr">435 </span><span class="subxTest">test-parse-hex-int-multi-digit</span>: -<span id="L436" class="LineNr">436 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L437" class="LineNr">437 </span> 55/push-EBP -<span id="L438" class="LineNr">438 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L439" class="LineNr">439 </span> <span class="subxComment"># var slice/ECX = "34a"</span> -<span id="L440" class="LineNr">440 </span> 68/push <a href='065hex.subx.html#L777'>_test-slice-hex-int-letters-end</a>/imm32 -<span id="L441" class="LineNr">441 </span> 68/push <a href='065hex.subx.html#L775'>_test-slice-hex-int-letters</a>/imm32 -<span id="L442" class="LineNr">442 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L443" class="LineNr">443 </span> <span class="subxComment"># EAX = parse-hex-int(slice)</span> +<span id="L416" class="LineNr">416 </span> 68/push <span class="Constant">"F - test-parse-hex-int-single-digit"</span>/imm32 +<span id="L417" class="LineNr">417 </span> 68/push 0xa/imm32 +<span id="L418" class="LineNr">418 </span> 50/push-EAX +<span id="L419" class="LineNr">419 </span> <span class="subxS2Comment"># . . call</span> +<span id="L420" class="LineNr">420 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L421" class="LineNr">421 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L422" class="LineNr">422 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L423" class="LineNr">423 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L424" class="LineNr">424 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L425" class="LineNr">425 </span> 5d/pop-to-EBP +<span id="L426" class="LineNr">426 </span> c3/return +<span id="L427" class="LineNr">427 </span> +<span id="L428" class="LineNr">428 </span><span class="subxTest">test-parse-hex-int-multi-digit</span>: +<span id="L429" class="LineNr">429 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L430" class="LineNr">430 </span> 55/push-EBP +<span id="L431" class="LineNr">431 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L432" class="LineNr">432 </span> <span class="subxComment"># var slice/ECX = "34a"</span> +<span id="L433" class="LineNr">433 </span> 68/push <a href='065hex.subx.html#L770'>_test-slice-hex-int-letters-end</a>/imm32 +<span id="L434" class="LineNr">434 </span> 68/push <a href='065hex.subx.html#L768'>_test-slice-hex-int-letters</a>/imm32 +<span id="L435" class="LineNr">435 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L436" class="LineNr">436 </span> <span class="subxComment"># EAX = parse-hex-int(slice)</span> +<span id="L437" class="LineNr">437 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L438" class="LineNr">438 </span> 51/push-ECX +<span id="L439" class="LineNr">439 </span> <span class="subxS2Comment"># . . call</span> +<span id="L440" class="LineNr">440 </span> e8/call <a href='065hex.subx.html#L319'>parse-hex-int</a>/disp32 +<span id="L441" class="LineNr">441 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L442" class="LineNr">442 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L443" class="LineNr">443 </span> <span class="subxComment"># check-ints-equal(EAX, 0x34a, msg)</span> <span id="L444" class="LineNr">444 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L445" class="LineNr">445 </span> 51/push-ECX -<span id="L446" class="LineNr">446 </span> <span class="subxS2Comment"># . . call</span> -<span id="L447" class="LineNr">447 </span> e8/call <a href='065hex.subx.html#L326'>parse-hex-int</a>/disp32 -<span id="L448" class="LineNr">448 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L449" class="LineNr">449 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L450" class="LineNr">450 </span> <span class="subxComment"># check-ints-equal(EAX, 0x34a, msg)</span> -<span id="L451" class="LineNr">451 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L452" class="LineNr">452 </span> 68/push <span class="Constant">"F - test-parse-hex-int-multi-digit"</span>/imm32 -<span id="L453" class="LineNr">453 </span> 68/push 0x34a/imm32 -<span id="L454" class="LineNr">454 </span> 50/push-EAX -<span id="L455" class="LineNr">455 </span> <span class="subxS2Comment"># . . call</span> -<span id="L456" class="LineNr">456 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L457" class="LineNr">457 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L458" class="LineNr">458 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L459" class="LineNr">459 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L460" class="LineNr">460 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L461" class="LineNr">461 </span> 5d/pop-to-EBP -<span id="L462" class="LineNr">462 </span> c3/return -<span id="L463" class="LineNr">463 </span> -<span id="L464" class="LineNr">464 </span><span class="subxTest">test-parse-hex-int-0x-prefix</span>: -<span id="L465" class="LineNr">465 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L466" class="LineNr">466 </span> 55/push-EBP -<span id="L467" class="LineNr">467 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L468" class="LineNr">468 </span> <span class="subxComment"># var slice/ECX = "0x34"</span> -<span id="L469" class="LineNr">469 </span> 68/push <a href='065hex.subx.html#L795'>_test-slice-hex-int-with-0x-prefix-end</a>/imm32 -<span id="L470" class="LineNr">470 </span> 68/push <a href='065hex.subx.html#L793'>_test-slice-hex-int-with-0x-prefix</a>/imm32 -<span id="L471" class="LineNr">471 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L472" class="LineNr">472 </span> <span class="subxComment"># EAX = parse-hex-int(slice)</span> +<span id="L445" class="LineNr">445 </span> 68/push <span class="Constant">"F - test-parse-hex-int-multi-digit"</span>/imm32 +<span id="L446" class="LineNr">446 </span> 68/push 0x34a/imm32 +<span id="L447" class="LineNr">447 </span> 50/push-EAX +<span id="L448" class="LineNr">448 </span> <span class="subxS2Comment"># . . call</span> +<span id="L449" class="LineNr">449 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L450" class="LineNr">450 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L451" class="LineNr">451 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L452" class="LineNr">452 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L453" class="LineNr">453 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L454" class="LineNr">454 </span> 5d/pop-to-EBP +<span id="L455" class="LineNr">455 </span> c3/return +<span id="L456" class="LineNr">456 </span> +<span id="L457" class="LineNr">457 </span><span class="subxTest">test-parse-hex-int-0x-prefix</span>: +<span id="L458" class="LineNr">458 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L459" class="LineNr">459 </span> 55/push-EBP +<span id="L460" class="LineNr">460 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L461" class="LineNr">461 </span> <span class="subxComment"># var slice/ECX = "0x34"</span> +<span id="L462" class="LineNr">462 </span> 68/push <a href='065hex.subx.html#L788'>_test-slice-hex-int-with-0x-prefix-end</a>/imm32 +<span id="L463" class="LineNr">463 </span> 68/push <a href='065hex.subx.html#L786'>_test-slice-hex-int-with-0x-prefix</a>/imm32 +<span id="L464" class="LineNr">464 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L465" class="LineNr">465 </span> <span class="subxComment"># EAX = parse-hex-int(slice)</span> +<span id="L466" class="LineNr">466 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L467" class="LineNr">467 </span> 51/push-ECX +<span id="L468" class="LineNr">468 </span> <span class="subxS2Comment"># . . call</span> +<span id="L469" class="LineNr">469 </span> e8/call <a href='065hex.subx.html#L319'>parse-hex-int</a>/disp32 +<span id="L470" class="LineNr">470 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L471" class="LineNr">471 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L472" class="LineNr">472 </span> <span class="subxComment"># check-ints-equal(EAX, 0x34a, msg)</span> <span id="L473" class="LineNr">473 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L474" class="LineNr">474 </span> 51/push-ECX -<span id="L475" class="LineNr">475 </span> <span class="subxS2Comment"># . . call</span> -<span id="L476" class="LineNr">476 </span> e8/call <a href='065hex.subx.html#L326'>parse-hex-int</a>/disp32 -<span id="L477" class="LineNr">477 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L478" class="LineNr">478 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L479" class="LineNr">479 </span> <span class="subxComment"># check-ints-equal(EAX, 0x34a, msg)</span> -<span id="L480" class="LineNr">480 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L481" class="LineNr">481 </span> 68/push <span class="Constant">"F - test-parse-hex-int-0x-prefix"</span>/imm32 -<span id="L482" class="LineNr">482 </span> 68/push 0x34/imm32 -<span id="L483" class="LineNr">483 </span> 50/push-EAX -<span id="L484" class="LineNr">484 </span> <span class="subxS2Comment"># . . call</span> -<span id="L485" class="LineNr">485 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L486" class="LineNr">486 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L487" class="LineNr">487 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L488" class="LineNr">488 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L489" class="LineNr">489 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L490" class="LineNr">490 </span> 5d/pop-to-EBP -<span id="L491" class="LineNr">491 </span> c3/return -<span id="L492" class="LineNr">492 </span> -<span id="L493" class="LineNr">493 </span><span class="subxTest">test-parse-hex-int-zero</span>: -<span id="L494" class="LineNr">494 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L495" class="LineNr">495 </span> 55/push-EBP -<span id="L496" class="LineNr">496 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L497" class="LineNr">497 </span> <span class="subxComment"># var slice/ECX = "0"</span> -<span id="L498" class="LineNr">498 </span> 68/push <a href='065hex.subx.html#L799'>_test-slice-hex-int-zero-end</a>/imm32 -<span id="L499" class="LineNr">499 </span> 68/push <a href='065hex.subx.html#L797'>_test-slice-hex-int-zero</a>/imm32 -<span id="L500" class="LineNr">500 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L501" class="LineNr">501 </span> <span class="subxComment"># EAX = parse-hex-int(slice)</span> +<span id="L474" class="LineNr">474 </span> 68/push <span class="Constant">"F - test-parse-hex-int-0x-prefix"</span>/imm32 +<span id="L475" class="LineNr">475 </span> 68/push 0x34/imm32 +<span id="L476" class="LineNr">476 </span> 50/push-EAX +<span id="L477" class="LineNr">477 </span> <span class="subxS2Comment"># . . call</span> +<span id="L478" class="LineNr">478 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L479" class="LineNr">479 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L480" class="LineNr">480 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L481" class="LineNr">481 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L482" class="LineNr">482 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L483" class="LineNr">483 </span> 5d/pop-to-EBP +<span id="L484" class="LineNr">484 </span> c3/return +<span id="L485" class="LineNr">485 </span> +<span id="L486" class="LineNr">486 </span><span class="subxTest">test-parse-hex-int-zero</span>: +<span id="L487" class="LineNr">487 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L488" class="LineNr">488 </span> 55/push-EBP +<span id="L489" class="LineNr">489 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L490" class="LineNr">490 </span> <span class="subxComment"># var slice/ECX = "0"</span> +<span id="L491" class="LineNr">491 </span> 68/push <a href='065hex.subx.html#L792'>_test-slice-hex-int-zero-end</a>/imm32 +<span id="L492" class="LineNr">492 </span> 68/push <a href='065hex.subx.html#L790'>_test-slice-hex-int-zero</a>/imm32 +<span id="L493" class="LineNr">493 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L494" class="LineNr">494 </span> <span class="subxComment"># EAX = parse-hex-int(slice)</span> +<span id="L495" class="LineNr">495 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L496" class="LineNr">496 </span> 51/push-ECX +<span id="L497" class="LineNr">497 </span> <span class="subxS2Comment"># . . call</span> +<span id="L498" class="LineNr">498 </span> e8/call <a href='065hex.subx.html#L319'>parse-hex-int</a>/disp32 +<span id="L499" class="LineNr">499 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L500" class="LineNr">500 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L501" class="LineNr">501 </span> <span class="subxComment"># check-ints-equal(EAX, 0x34a, msg)</span> <span id="L502" class="LineNr">502 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L503" class="LineNr">503 </span> 51/push-ECX -<span id="L504" class="LineNr">504 </span> <span class="subxS2Comment"># . . call</span> -<span id="L505" class="LineNr">505 </span> e8/call <a href='065hex.subx.html#L326'>parse-hex-int</a>/disp32 -<span id="L506" class="LineNr">506 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L507" class="LineNr">507 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L508" class="LineNr">508 </span> <span class="subxComment"># check-ints-equal(EAX, 0x34a, msg)</span> -<span id="L509" class="LineNr">509 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L510" class="LineNr">510 </span> 68/push <span class="Constant">"F - test-parse-hex-int-zero"</span>/imm32 -<span id="L511" class="LineNr">511 </span> 68/push 0/imm32 -<span id="L512" class="LineNr">512 </span> 50/push-EAX -<span id="L513" class="LineNr">513 </span> <span class="subxS2Comment"># . . call</span> -<span id="L514" class="LineNr">514 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L515" class="LineNr">515 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L516" class="LineNr">516 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L517" class="LineNr">517 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L518" class="LineNr">518 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L519" class="LineNr">519 </span> 5d/pop-to-EBP -<span id="L520" class="LineNr">520 </span> c3/return -<span id="L521" class="LineNr">521 </span> -<span id="L522" class="LineNr">522 </span><span class="subxTest">test-parse-hex-int-0-prefix</span>: -<span id="L523" class="LineNr">523 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L524" class="LineNr">524 </span> 55/push-EBP -<span id="L525" class="LineNr">525 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L526" class="LineNr">526 </span> <span class="subxComment"># var slice/ECX = "03"</span> -<span id="L527" class="LineNr">527 </span> 68/push <a href='065hex.subx.html#L803'>_test-slice-hex-int-with-0-prefix-end</a>/imm32 -<span id="L528" class="LineNr">528 </span> 68/push <a href='065hex.subx.html#L801'>_test-slice-hex-int-with-0-prefix</a>/imm32 -<span id="L529" class="LineNr">529 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L530" class="LineNr">530 </span> <span class="subxComment"># EAX = parse-hex-int(slice)</span> +<span id="L503" class="LineNr">503 </span> 68/push <span class="Constant">"F - test-parse-hex-int-zero"</span>/imm32 +<span id="L504" class="LineNr">504 </span> 68/push 0/imm32 +<span id="L505" class="LineNr">505 </span> 50/push-EAX +<span id="L506" class="LineNr">506 </span> <span class="subxS2Comment"># . . call</span> +<span id="L507" class="LineNr">507 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L508" class="LineNr">508 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L509" class="LineNr">509 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L510" class="LineNr">510 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L511" class="LineNr">511 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L512" class="LineNr">512 </span> 5d/pop-to-EBP +<span id="L513" class="LineNr">513 </span> c3/return +<span id="L514" class="LineNr">514 </span> +<span id="L515" class="LineNr">515 </span><span class="subxTest">test-parse-hex-int-0-prefix</span>: +<span id="L516" class="LineNr">516 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L517" class="LineNr">517 </span> 55/push-EBP +<span id="L518" class="LineNr">518 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L519" class="LineNr">519 </span> <span class="subxComment"># var slice/ECX = "03"</span> +<span id="L520" class="LineNr">520 </span> 68/push <a href='065hex.subx.html#L796'>_test-slice-hex-int-with-0-prefix-end</a>/imm32 +<span id="L521" class="LineNr">521 </span> 68/push <a href='065hex.subx.html#L794'>_test-slice-hex-int-with-0-prefix</a>/imm32 +<span id="L522" class="LineNr">522 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L523" class="LineNr">523 </span> <span class="subxComment"># EAX = parse-hex-int(slice)</span> +<span id="L524" class="LineNr">524 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L525" class="LineNr">525 </span> 51/push-ECX +<span id="L526" class="LineNr">526 </span> <span class="subxS2Comment"># . . call</span> +<span id="L527" class="LineNr">527 </span> e8/call <a href='065hex.subx.html#L319'>parse-hex-int</a>/disp32 +<span id="L528" class="LineNr">528 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L529" class="LineNr">529 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L530" class="LineNr">530 </span> <span class="subxComment"># check-ints-equal(EAX, 0x3, msg)</span> <span id="L531" class="LineNr">531 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L532" class="LineNr">532 </span> 51/push-ECX -<span id="L533" class="LineNr">533 </span> <span class="subxS2Comment"># . . call</span> -<span id="L534" class="LineNr">534 </span> e8/call <a href='065hex.subx.html#L326'>parse-hex-int</a>/disp32 -<span id="L535" class="LineNr">535 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L536" class="LineNr">536 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L537" class="LineNr">537 </span> <span class="subxComment"># check-ints-equal(EAX, 0x3, msg)</span> -<span id="L538" class="LineNr">538 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L539" class="LineNr">539 </span> 68/push <span class="Constant">"F - test-parse-hex-int-0-prefix"</span>/imm32 -<span id="L540" class="LineNr">540 </span> 68/push 0x3/imm32 -<span id="L541" class="LineNr">541 </span> 50/push-EAX -<span id="L542" class="LineNr">542 </span> <span class="subxS2Comment"># . . call</span> -<span id="L543" class="LineNr">543 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L544" class="LineNr">544 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L545" class="LineNr">545 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L546" class="LineNr">546 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L547" class="LineNr">547 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L548" class="LineNr">548 </span> 5d/pop-to-EBP -<span id="L549" class="LineNr">549 </span> c3/return -<span id="L550" class="LineNr">550 </span> -<span id="L551" class="LineNr">551 </span><span class="subxTest">test-parse-hex-int-negative</span>: -<span id="L552" class="LineNr">552 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L553" class="LineNr">553 </span> 55/push-EBP -<span id="L554" class="LineNr">554 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L555" class="LineNr">555 </span> <span class="subxComment"># var slice/ECX = "-03"</span> -<span id="L556" class="LineNr">556 </span> 68/push <a href='065hex.subx.html#L807'>_test-slice-hex-int-negative-with-0-prefix-end</a>/imm32 -<span id="L557" class="LineNr">557 </span> 68/push <a href='065hex.subx.html#L805'>_test-slice-hex-int-negative-with-0-prefix</a>/imm32 -<span id="L558" class="LineNr">558 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L559" class="LineNr">559 </span> <span class="subxComment"># EAX = parse-hex-int(slice)</span> +<span id="L532" class="LineNr">532 </span> 68/push <span class="Constant">"F - test-parse-hex-int-0-prefix"</span>/imm32 +<span id="L533" class="LineNr">533 </span> 68/push 0x3/imm32 +<span id="L534" class="LineNr">534 </span> 50/push-EAX +<span id="L535" class="LineNr">535 </span> <span class="subxS2Comment"># . . call</span> +<span id="L536" class="LineNr">536 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L537" class="LineNr">537 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L538" class="LineNr">538 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L539" class="LineNr">539 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L540" class="LineNr">540 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L541" class="LineNr">541 </span> 5d/pop-to-EBP +<span id="L542" class="LineNr">542 </span> c3/return +<span id="L543" class="LineNr">543 </span> +<span id="L544" class="LineNr">544 </span><span class="subxTest">test-parse-hex-int-negative</span>: +<span id="L545" class="LineNr">545 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L546" class="LineNr">546 </span> 55/push-EBP +<span id="L547" class="LineNr">547 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L548" class="LineNr">548 </span> <span class="subxComment"># var slice/ECX = "-03"</span> +<span id="L549" class="LineNr">549 </span> 68/push <a href='065hex.subx.html#L800'>_test-slice-hex-int-negative-with-0-prefix-end</a>/imm32 +<span id="L550" class="LineNr">550 </span> 68/push <a href='065hex.subx.html#L798'>_test-slice-hex-int-negative-with-0-prefix</a>/imm32 +<span id="L551" class="LineNr">551 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L552" class="LineNr">552 </span> <span class="subxComment"># EAX = parse-hex-int(slice)</span> +<span id="L553" class="LineNr">553 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L554" class="LineNr">554 </span> 51/push-ECX +<span id="L555" class="LineNr">555 </span> <span class="subxS2Comment"># . . call</span> +<span id="L556" class="LineNr">556 </span> e8/call <a href='065hex.subx.html#L319'>parse-hex-int</a>/disp32 +<span id="L557" class="LineNr">557 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L558" class="LineNr">558 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L559" class="LineNr">559 </span> <span class="subxComment"># check-ints-equal(EAX, 0xfffffffd, msg)</span> <span id="L560" class="LineNr">560 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L561" class="LineNr">561 </span> 51/push-ECX -<span id="L562" class="LineNr">562 </span> <span class="subxS2Comment"># . . call</span> -<span id="L563" class="LineNr">563 </span> e8/call <a href='065hex.subx.html#L326'>parse-hex-int</a>/disp32 -<span id="L564" class="LineNr">564 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L565" class="LineNr">565 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L566" class="LineNr">566 </span> <span class="subxComment"># check-ints-equal(EAX, 0xfffffffd, msg)</span> -<span id="L567" class="LineNr">567 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L568" class="LineNr">568 </span> 68/push <span class="Constant">"F - test-parse-hex-int-negative"</span>/imm32 -<span id="L569" class="LineNr">569 </span> 68/push 0xfffffffd/imm32 -<span id="L570" class="LineNr">570 </span> 50/push-EAX -<span id="L571" class="LineNr">571 </span> <span class="subxS2Comment"># . . call</span> -<span id="L572" class="LineNr">572 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L573" class="LineNr">573 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L574" class="LineNr">574 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L575" class="LineNr">575 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L576" class="LineNr">576 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L577" class="LineNr">577 </span> 5d/pop-to-EBP -<span id="L578" class="LineNr">578 </span> c3/return -<span id="L579" class="LineNr">579 </span> -<span id="L580" class="LineNr">580 </span><span class="subxFunction">is-hex-digit?</span>: <span class="subxComment"># c : byte -> EAX : boolean</span> -<span id="L581" class="LineNr">581 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L582" class="LineNr">582 </span> 55/push-EBP -<span id="L583" class="LineNr">583 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L584" class="LineNr">584 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L585" class="LineNr">585 </span> 51/push-ECX -<span id="L586" class="LineNr">586 </span> <span class="subxComment"># ECX = c</span> -<span id="L587" class="LineNr">587 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> -<span id="L588" class="LineNr">588 </span> <span class="subxComment"># return false if c < '0'</span> -<span id="L589" class="LineNr">589 </span> b8/copy-to-EAX 0/imm32/false -<span id="L590" class="LineNr">590 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x30/imm32 <span class="subxComment"># compare ECX</span> -<span id="L591" class="LineNr">591 </span> 7c/jump-if-lesser $is-hex-digit?:end/disp8 -<span id="L592" class="LineNr">592 </span> <span class="subxComment"># return false if c > 'f'</span> -<span id="L593" class="LineNr">593 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x66/imm32 <span class="subxComment"># compare ECX</span> -<span id="L594" class="LineNr">594 </span> 7f/jump-if-greater $is-hex-digit?:end/disp8 -<span id="L595" class="LineNr">595 </span> <span class="subxComment"># return true if c <= '9'</span> -<span id="L596" class="LineNr">596 </span> b8/copy-to-EAX 1/imm32/true -<span id="L597" class="LineNr">597 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x39/imm32 <span class="subxComment"># compare ECX</span> -<span id="L598" class="LineNr">598 </span> 7e/jump-if-lesser-or-equal $is-hex-digit?:end/disp8 -<span id="L599" class="LineNr">599 </span> <span class="subxComment"># return true if c >= 'a'</span> -<span id="L600" class="LineNr">600 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x61/imm32 <span class="subxComment"># compare ECX</span> -<span id="L601" class="LineNr">601 </span> 7d/jump-if-greater-or-equal $is-hex-digit?:end/disp8 -<span id="L602" class="LineNr">602 </span> <span class="subxComment"># otherwise return false</span> -<span id="L603" class="LineNr">603 </span> b8/copy-to-EAX 0/imm32/false -<span id="L604" class="LineNr">604 </span><span class="Constant">$is-hex-digit?:end</span>: -<span id="L605" class="LineNr">605 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L606" class="LineNr">606 </span> 59/pop-to-ECX -<span id="L607" class="LineNr">607 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L608" class="LineNr">608 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L609" class="LineNr">609 </span> 5d/pop-to-EBP -<span id="L610" class="LineNr">610 </span> c3/return -<span id="L611" class="LineNr">611 </span> -<span id="L612" class="LineNr">612 </span><span class="subxTest">test-hex-below-0</span>: -<span id="L613" class="LineNr">613 </span> <span class="subxComment"># EAX = is-hex-digit?(0x2f)</span> +<span id="L561" class="LineNr">561 </span> 68/push <span class="Constant">"F - test-parse-hex-int-negative"</span>/imm32 +<span id="L562" class="LineNr">562 </span> 68/push 0xfffffffd/imm32 +<span id="L563" class="LineNr">563 </span> 50/push-EAX +<span id="L564" class="LineNr">564 </span> <span class="subxS2Comment"># . . call</span> +<span id="L565" class="LineNr">565 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L566" class="LineNr">566 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L567" class="LineNr">567 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L568" class="LineNr">568 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L569" class="LineNr">569 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L570" class="LineNr">570 </span> 5d/pop-to-EBP +<span id="L571" class="LineNr">571 </span> c3/return +<span id="L572" class="LineNr">572 </span> +<span id="L573" class="LineNr">573 </span><span class="subxFunction">is-hex-digit?</span>: <span class="subxComment"># c : byte -> EAX : boolean</span> +<span id="L574" class="LineNr">574 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L575" class="LineNr">575 </span> 55/push-EBP +<span id="L576" class="LineNr">576 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L577" class="LineNr">577 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L578" class="LineNr">578 </span> 51/push-ECX +<span id="L579" class="LineNr">579 </span> <span class="subxComment"># ECX = c</span> +<span id="L580" class="LineNr">580 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> +<span id="L581" class="LineNr">581 </span> <span class="subxComment"># return false if c < '0'</span> +<span id="L582" class="LineNr">582 </span> b8/copy-to-EAX 0/imm32/false +<span id="L583" class="LineNr">583 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x30/imm32 <span class="subxComment"># compare ECX</span> +<span id="L584" class="LineNr">584 </span> 7c/jump-if-lesser $is-hex-digit?:end/disp8 +<span id="L585" class="LineNr">585 </span> <span class="subxComment"># return false if c > 'f'</span> +<span id="L586" class="LineNr">586 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x66/imm32 <span class="subxComment"># compare ECX</span> +<span id="L587" class="LineNr">587 </span> 7f/jump-if-greater $is-hex-digit?:end/disp8 +<span id="L588" class="LineNr">588 </span> <span class="subxComment"># return true if c <= '9'</span> +<span id="L589" class="LineNr">589 </span> b8/copy-to-EAX 1/imm32/true +<span id="L590" class="LineNr">590 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x39/imm32 <span class="subxComment"># compare ECX</span> +<span id="L591" class="LineNr">591 </span> 7e/jump-if-lesser-or-equal $is-hex-digit?:end/disp8 +<span id="L592" class="LineNr">592 </span> <span class="subxComment"># return true if c >= 'a'</span> +<span id="L593" class="LineNr">593 </span> 81 7/subop/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x61/imm32 <span class="subxComment"># compare ECX</span> +<span id="L594" class="LineNr">594 </span> 7d/jump-if-greater-or-equal $is-hex-digit?:end/disp8 +<span id="L595" class="LineNr">595 </span> <span class="subxComment"># otherwise return false</span> +<span id="L596" class="LineNr">596 </span> b8/copy-to-EAX 0/imm32/false +<span id="L597" class="LineNr">597 </span><span class="Constant">$is-hex-digit?:end</span>: +<span id="L598" class="LineNr">598 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L599" class="LineNr">599 </span> 59/pop-to-ECX +<span id="L600" class="LineNr">600 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L601" class="LineNr">601 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L602" class="LineNr">602 </span> 5d/pop-to-EBP +<span id="L603" class="LineNr">603 </span> c3/return +<span id="L604" class="LineNr">604 </span> +<span id="L605" class="LineNr">605 </span><span class="subxTest">test-hex-below-0</span>: +<span id="L606" class="LineNr">606 </span> <span class="subxComment"># EAX = is-hex-digit?(0x2f)</span> +<span id="L607" class="LineNr">607 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L608" class="LineNr">608 </span> 68/push 0x2f/imm32 +<span id="L609" class="LineNr">609 </span> <span class="subxS2Comment"># . . call</span> +<span id="L610" class="LineNr">610 </span> e8/call <a href='065hex.subx.html#L573'>is-hex-digit?</a>/disp32 +<span id="L611" class="LineNr">611 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L612" class="LineNr">612 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L613" class="LineNr">613 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> <span id="L614" class="LineNr">614 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L615" class="LineNr">615 </span> 68/push 0x2f/imm32 -<span id="L616" class="LineNr">616 </span> <span class="subxS2Comment"># . . call</span> -<span id="L617" class="LineNr">617 </span> e8/call <a href='065hex.subx.html#L580'>is-hex-digit?</a>/disp32 -<span id="L618" class="LineNr">618 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L619" class="LineNr">619 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L620" class="LineNr">620 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L621" class="LineNr">621 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L622" class="LineNr">622 </span> 68/push <span class="Constant">"F - test-hex-below-0"</span>/imm32 -<span id="L623" class="LineNr">623 </span> 68/push 0/imm32/false -<span id="L624" class="LineNr">624 </span> 50/push-EAX -<span id="L625" class="LineNr">625 </span> <span class="subxS2Comment"># . . call</span> -<span id="L626" class="LineNr">626 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L627" class="LineNr">627 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L628" class="LineNr">628 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L629" class="LineNr">629 </span> c3/return -<span id="L630" class="LineNr">630 </span> -<span id="L631" class="LineNr">631 </span><span class="subxTest">test-hex-0-to-9</span>: -<span id="L632" class="LineNr">632 </span> <span class="subxComment"># EAX = is-hex-digit?(0x30)</span> +<span id="L615" class="LineNr">615 </span> 68/push <span class="Constant">"F - test-hex-below-0"</span>/imm32 +<span id="L616" class="LineNr">616 </span> 68/push 0/imm32/false +<span id="L617" class="LineNr">617 </span> 50/push-EAX +<span id="L618" class="LineNr">618 </span> <span class="subxS2Comment"># . . call</span> +<span id="L619" class="LineNr">619 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L620" class="LineNr">620 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L621" class="LineNr">621 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L622" class="LineNr">622 </span> c3/return +<span id="L623" class="LineNr">623 </span> +<span id="L624" class="LineNr">624 </span><span class="subxTest">test-hex-0-to-9</span>: +<span id="L625" class="LineNr">625 </span> <span class="subxComment"># EAX = is-hex-digit?(0x30)</span> +<span id="L626" class="LineNr">626 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L627" class="LineNr">627 </span> 68/push 0x30/imm32 +<span id="L628" class="LineNr">628 </span> <span class="subxS2Comment"># . . call</span> +<span id="L629" class="LineNr">629 </span> e8/call <a href='065hex.subx.html#L573'>is-hex-digit?</a>/disp32 +<span id="L630" class="LineNr">630 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L631" class="LineNr">631 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L632" class="LineNr">632 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> <span id="L633" class="LineNr">633 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L634" class="LineNr">634 </span> 68/push 0x30/imm32 -<span id="L635" class="LineNr">635 </span> <span class="subxS2Comment"># . . call</span> -<span id="L636" class="LineNr">636 </span> e8/call <a href='065hex.subx.html#L580'>is-hex-digit?</a>/disp32 -<span id="L637" class="LineNr">637 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L638" class="LineNr">638 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L639" class="LineNr">639 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L640" class="LineNr">640 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L641" class="LineNr">641 </span> 68/push <span class="Constant">"F - test-hex-at-0"</span>/imm32 -<span id="L642" class="LineNr">642 </span> 68/push 1/imm32/true -<span id="L643" class="LineNr">643 </span> 50/push-EAX +<span id="L634" class="LineNr">634 </span> 68/push <span class="Constant">"F - test-hex-at-0"</span>/imm32 +<span id="L635" class="LineNr">635 </span> 68/push 1/imm32/true +<span id="L636" class="LineNr">636 </span> 50/push-EAX +<span id="L637" class="LineNr">637 </span> <span class="subxS2Comment"># . . call</span> +<span id="L638" class="LineNr">638 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L639" class="LineNr">639 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L640" class="LineNr">640 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L641" class="LineNr">641 </span> <span class="subxComment"># EAX = is-hex-digit?(0x39)</span> +<span id="L642" class="LineNr">642 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L643" class="LineNr">643 </span> 68/push 0x39/imm32 <span id="L644" class="LineNr">644 </span> <span class="subxS2Comment"># . . call</span> -<span id="L645" class="LineNr">645 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L645" class="LineNr">645 </span> e8/call <a href='065hex.subx.html#L573'>is-hex-digit?</a>/disp32 <span id="L646" class="LineNr">646 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L647" class="LineNr">647 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L648" class="LineNr">648 </span> <span class="subxComment"># EAX = is-hex-digit?(0x39)</span> +<span id="L647" class="LineNr">647 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L648" class="LineNr">648 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> <span id="L649" class="LineNr">649 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L650" class="LineNr">650 </span> 68/push 0x39/imm32 -<span id="L651" class="LineNr">651 </span> <span class="subxS2Comment"># . . call</span> -<span id="L652" class="LineNr">652 </span> e8/call <a href='065hex.subx.html#L580'>is-hex-digit?</a>/disp32 -<span id="L653" class="LineNr">653 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L654" class="LineNr">654 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L655" class="LineNr">655 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L656" class="LineNr">656 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L657" class="LineNr">657 </span> 68/push <span class="Constant">"F - test-hex-at-9"</span>/imm32 -<span id="L658" class="LineNr">658 </span> 68/push 1/imm32/true -<span id="L659" class="LineNr">659 </span> 50/push-EAX -<span id="L660" class="LineNr">660 </span> <span class="subxS2Comment"># . . call</span> -<span id="L661" class="LineNr">661 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L662" class="LineNr">662 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L663" class="LineNr">663 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L664" class="LineNr">664 </span> c3/return -<span id="L665" class="LineNr">665 </span> -<span id="L666" class="LineNr">666 </span><span class="subxTest">test-hex-above-9-to-a</span>: -<span id="L667" class="LineNr">667 </span> <span class="subxComment"># EAX = is-hex-digit?(0x3a)</span> +<span id="L650" class="LineNr">650 </span> 68/push <span class="Constant">"F - test-hex-at-9"</span>/imm32 +<span id="L651" class="LineNr">651 </span> 68/push 1/imm32/true +<span id="L652" class="LineNr">652 </span> 50/push-EAX +<span id="L653" class="LineNr">653 </span> <span class="subxS2Comment"># . . call</span> +<span id="L654" class="LineNr">654 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L655" class="LineNr">655 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L656" class="LineNr">656 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L657" class="LineNr">657 </span> c3/return +<span id="L658" class="LineNr">658 </span> +<span id="L659" class="LineNr">659 </span><span class="subxTest">test-hex-above-9-to-a</span>: +<span id="L660" class="LineNr">660 </span> <span class="subxComment"># EAX = is-hex-digit?(0x3a)</span> +<span id="L661" class="LineNr">661 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L662" class="LineNr">662 </span> 68/push 0x3a/imm32 +<span id="L663" class="LineNr">663 </span> <span class="subxS2Comment"># . . call</span> +<span id="L664" class="LineNr">664 </span> e8/call <a href='065hex.subx.html#L573'>is-hex-digit?</a>/disp32 +<span id="L665" class="LineNr">665 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L666" class="LineNr">666 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L667" class="LineNr">667 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> <span id="L668" class="LineNr">668 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L669" class="LineNr">669 </span> 68/push 0x3a/imm32 -<span id="L670" class="LineNr">670 </span> <span class="subxS2Comment"># . . call</span> -<span id="L671" class="LineNr">671 </span> e8/call <a href='065hex.subx.html#L580'>is-hex-digit?</a>/disp32 -<span id="L672" class="LineNr">672 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L673" class="LineNr">673 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L674" class="LineNr">674 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L675" class="LineNr">675 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L676" class="LineNr">676 </span> 68/push <span class="Constant">"F - test-hex-above-9-to-a"</span>/imm32 -<span id="L677" class="LineNr">677 </span> 68/push 0/imm32/false -<span id="L678" class="LineNr">678 </span> 50/push-EAX -<span id="L679" class="LineNr">679 </span> <span class="subxS2Comment"># . . call</span> -<span id="L680" class="LineNr">680 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L681" class="LineNr">681 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L682" class="LineNr">682 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L683" class="LineNr">683 </span> c3/return -<span id="L684" class="LineNr">684 </span> -<span id="L685" class="LineNr">685 </span><span class="subxTest">test-hex-a-to-f</span>: -<span id="L686" class="LineNr">686 </span> <span class="subxComment"># EAX = is-hex-digit?(0x61)</span> +<span id="L669" class="LineNr">669 </span> 68/push <span class="Constant">"F - test-hex-above-9-to-a"</span>/imm32 +<span id="L670" class="LineNr">670 </span> 68/push 0/imm32/false +<span id="L671" class="LineNr">671 </span> 50/push-EAX +<span id="L672" class="LineNr">672 </span> <span class="subxS2Comment"># . . call</span> +<span id="L673" class="LineNr">673 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L674" class="LineNr">674 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L675" class="LineNr">675 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L676" class="LineNr">676 </span> c3/return +<span id="L677" class="LineNr">677 </span> +<span id="L678" class="LineNr">678 </span><span class="subxTest">test-hex-a-to-f</span>: +<span id="L679" class="LineNr">679 </span> <span class="subxComment"># EAX = is-hex-digit?(0x61)</span> +<span id="L680" class="LineNr">680 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L681" class="LineNr">681 </span> 68/push 0x61/imm32 +<span id="L682" class="LineNr">682 </span> <span class="subxS2Comment"># . . call</span> +<span id="L683" class="LineNr">683 </span> e8/call <a href='065hex.subx.html#L573'>is-hex-digit?</a>/disp32 +<span id="L684" class="LineNr">684 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L685" class="LineNr">685 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L686" class="LineNr">686 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> <span id="L687" class="LineNr">687 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L688" class="LineNr">688 </span> 68/push 0x61/imm32 -<span id="L689" class="LineNr">689 </span> <span class="subxS2Comment"># . . call</span> -<span id="L690" class="LineNr">690 </span> e8/call <a href='065hex.subx.html#L580'>is-hex-digit?</a>/disp32 -<span id="L691" class="LineNr">691 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L692" class="LineNr">692 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L693" class="LineNr">693 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L694" class="LineNr">694 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L695" class="LineNr">695 </span> 68/push <span class="Constant">"F - test-hex-at-a"</span>/imm32 -<span id="L696" class="LineNr">696 </span> 68/push 1/imm32/true -<span id="L697" class="LineNr">697 </span> 50/push-EAX +<span id="L688" class="LineNr">688 </span> 68/push <span class="Constant">"F - test-hex-at-a"</span>/imm32 +<span id="L689" class="LineNr">689 </span> 68/push 1/imm32/true +<span id="L690" class="LineNr">690 </span> 50/push-EAX +<span id="L691" class="LineNr">691 </span> <span class="subxS2Comment"># . . call</span> +<span id="L692" class="LineNr">692 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L693" class="LineNr">693 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L694" class="LineNr">694 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L695" class="LineNr">695 </span> <span class="subxComment"># EAX = is-hex-digit?(0x66)</span> +<span id="L696" class="LineNr">696 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L697" class="LineNr">697 </span> 68/push 0x66/imm32 <span id="L698" class="LineNr">698 </span> <span class="subxS2Comment"># . . call</span> -<span id="L699" class="LineNr">699 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L699" class="LineNr">699 </span> e8/call <a href='065hex.subx.html#L573'>is-hex-digit?</a>/disp32 <span id="L700" class="LineNr">700 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L701" class="LineNr">701 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L702" class="LineNr">702 </span> <span class="subxComment"># EAX = is-hex-digit?(0x66)</span> +<span id="L701" class="LineNr">701 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L702" class="LineNr">702 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> <span id="L703" class="LineNr">703 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L704" class="LineNr">704 </span> 68/push 0x66/imm32 -<span id="L705" class="LineNr">705 </span> <span class="subxS2Comment"># . . call</span> -<span id="L706" class="LineNr">706 </span> e8/call <a href='065hex.subx.html#L580'>is-hex-digit?</a>/disp32 -<span id="L707" class="LineNr">707 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L708" class="LineNr">708 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L709" class="LineNr">709 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L710" class="LineNr">710 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L711" class="LineNr">711 </span> 68/push <span class="Constant">"F - test-hex-at-f"</span>/imm32 -<span id="L712" class="LineNr">712 </span> 68/push 1/imm32/true -<span id="L713" class="LineNr">713 </span> 50/push-EAX -<span id="L714" class="LineNr">714 </span> <span class="subxS2Comment"># . . call</span> -<span id="L715" class="LineNr">715 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L716" class="LineNr">716 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L717" class="LineNr">717 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L718" class="LineNr">718 </span> c3/return -<span id="L719" class="LineNr">719 </span> -<span id="L720" class="LineNr">720 </span><span class="subxTest">test-hex-above-f</span>: -<span id="L721" class="LineNr">721 </span> <span class="subxComment"># EAX = is-hex-digit?(0x67)</span> +<span id="L704" class="LineNr">704 </span> 68/push <span class="Constant">"F - test-hex-at-f"</span>/imm32 +<span id="L705" class="LineNr">705 </span> 68/push 1/imm32/true +<span id="L706" class="LineNr">706 </span> 50/push-EAX +<span id="L707" class="LineNr">707 </span> <span class="subxS2Comment"># . . call</span> +<span id="L708" class="LineNr">708 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L709" class="LineNr">709 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L710" class="LineNr">710 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L711" class="LineNr">711 </span> c3/return +<span id="L712" class="LineNr">712 </span> +<span id="L713" class="LineNr">713 </span><span class="subxTest">test-hex-above-f</span>: +<span id="L714" class="LineNr">714 </span> <span class="subxComment"># EAX = is-hex-digit?(0x67)</span> +<span id="L715" class="LineNr">715 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L716" class="LineNr">716 </span> 68/push 0x67/imm32 +<span id="L717" class="LineNr">717 </span> <span class="subxS2Comment"># . . call</span> +<span id="L718" class="LineNr">718 </span> e8/call <a href='065hex.subx.html#L573'>is-hex-digit?</a>/disp32 +<span id="L719" class="LineNr">719 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L720" class="LineNr">720 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L721" class="LineNr">721 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> <span id="L722" class="LineNr">722 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L723" class="LineNr">723 </span> 68/push 0x67/imm32 -<span id="L724" class="LineNr">724 </span> <span class="subxS2Comment"># . . call</span> -<span id="L725" class="LineNr">725 </span> e8/call <a href='065hex.subx.html#L580'>is-hex-digit?</a>/disp32 -<span id="L726" class="LineNr">726 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L727" class="LineNr">727 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L728" class="LineNr">728 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L729" class="LineNr">729 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L730" class="LineNr">730 </span> 68/push <span class="Constant">"F - test-hex-above-f"</span>/imm32 -<span id="L731" class="LineNr">731 </span> 68/push 0/imm32/false -<span id="L732" class="LineNr">732 </span> 50/push-EAX -<span id="L733" class="LineNr">733 </span> <span class="subxS2Comment"># . . call</span> -<span id="L734" class="LineNr">734 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L735" class="LineNr">735 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L736" class="LineNr">736 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L737" class="LineNr">737 </span> c3/return -<span id="L738" class="LineNr">738 </span> -<span id="L739" class="LineNr">739 </span><span class="subxFunction">from-hex-char</span>: <span class="subxComment"># in/EAX : byte -> out/EAX : num</span> -<span id="L740" class="LineNr">740 </span> <span class="subxComment"># no error checking; accepts argument in EAX</span> -<span id="L741" class="LineNr">741 </span> <span class="subxComment"># if (EAX <= '9') return EAX - '0'</span> -<span id="L742" class="LineNr">742 </span> 3d/compare-EAX 0x39/imm32/9 -<span id="L743" class="LineNr">743 </span> 7f/jump-if-greater $from-hex-char:else/disp8 -<span id="L744" class="LineNr">744 </span> 2d/subtract-from-EAX 0x30/imm32/0 -<span id="L745" class="LineNr">745 </span> c3/return -<span id="L746" class="LineNr">746 </span><span class="Constant">$from-hex-char:else</span>: -<span id="L747" class="LineNr">747 </span> <span class="subxComment"># otherwise return EAX - 'a' + 10</span> -<span id="L748" class="LineNr">748 </span> 2d/subtract-from-EAX 0x57/imm32/a-10 -<span id="L749" class="LineNr">749 </span> c3/return -<span id="L750" class="LineNr">750 </span> -<span id="L751" class="LineNr">751 </span><span class="subxFunction">to-hex-char</span>: <span class="subxComment"># in/EAX : nibble -> out/EAX : byte</span> -<span id="L752" class="LineNr">752 </span> <span class="subxComment"># no error checking; accepts argument in EAX</span> -<span id="L753" class="LineNr">753 </span> <span class="subxComment"># if (EAX <= 9) return EAX + '0'</span> -<span id="L754" class="LineNr">754 </span> 3d/compare-EAX 0x9/imm32/9 -<span id="L755" class="LineNr">755 </span> 7f/jump-if-greater $to-hex-char:else/disp8 -<span id="L756" class="LineNr">756 </span> 05/add-to-EAX 0x30/imm32/0 -<span id="L757" class="LineNr">757 </span> c3/return -<span id="L758" class="LineNr">758 </span><span class="Constant">$to-hex-char:else</span>: -<span id="L759" class="LineNr">759 </span> <span class="subxComment"># otherwise return EAX + 'a' - 10</span> -<span id="L760" class="LineNr">760 </span> 05/add-to-EAX 0x57/imm32/a-10 -<span id="L761" class="LineNr">761 </span> c3/return -<span id="L762" class="LineNr">762 </span> -<span id="L763" class="LineNr">763 </span>== data -<span id="L764" class="LineNr">764 </span> -<span id="L765" class="LineNr">765 </span><span class="subxMinorFunction">_test-slice-empty</span>: -<span id="L766" class="LineNr">766 </span> <span class="subxComment"># nothing</span> -<span id="L767" class="LineNr">767 </span><span class="subxMinorFunction">_test-slice-empty-end</span>: -<span id="L768" class="LineNr">768 </span> -<span id="L769" class="LineNr">769 </span><span class="subxMinorFunction">_test-slice-hex-int</span>: -<span id="L770" class="LineNr">770 </span> 33/3 34/4 -<span id="L771" class="LineNr">771 </span><span class="subxMinorFunction">_test-slice-hex-int-end</span>: -<span id="L772" class="LineNr">772 </span> -<span id="L773" class="LineNr">773 </span><span class="subxMinorFunction">_test-slice-hex-int-letters-negative</span>: -<span id="L774" class="LineNr">774 </span> 2d/- -<span id="L775" class="LineNr">775 </span><span class="subxMinorFunction">_test-slice-hex-int-letters</span>: -<span id="L776" class="LineNr">776 </span> 33/3 34/4 61/a -<span id="L777" class="LineNr">777 </span><span class="subxMinorFunction">_test-slice-hex-int-letters-end</span>: -<span id="L778" class="LineNr">778 </span> -<span id="L779" class="LineNr">779 </span><span class="subxMinorFunction">_test-slice-hex-int-single-letter</span>: -<span id="L780" class="LineNr">780 </span> 61/a -<span id="L781" class="LineNr">781 </span><span class="subxMinorFunction">_test-slice-hex-int-single-letter-end</span>: -<span id="L782" class="LineNr">782 </span> -<span id="L783" class="LineNr">783 </span><span class="subxMinorFunction">_test-slice-char-and-digits</span>: -<span id="L784" class="LineNr">784 </span> 71/q 33/3 34/4 -<span id="L785" class="LineNr">785 </span><span class="subxMinorFunction">_test-slice-char-and-digits-end</span>: -<span id="L786" class="LineNr">786 </span> -<span id="L787" class="LineNr">787 </span><span class="subxMinorFunction">_test-slice-digits-and-char</span>: -<span id="L788" class="LineNr">788 </span> 33/3 34/4 71/q -<span id="L789" class="LineNr">789 </span><span class="subxMinorFunction">_test-slice-digits-and-char-end</span>: -<span id="L790" class="LineNr">790 </span> -<span id="L791" class="LineNr">791 </span><span class="subxMinorFunction">_test-slice-hex-int-with-0x-prefix-negative</span>: -<span id="L792" class="LineNr">792 </span> 2d/- -<span id="L793" class="LineNr">793 </span><span class="subxMinorFunction">_test-slice-hex-int-with-0x-prefix</span>: -<span id="L794" class="LineNr">794 </span> 30/0 78/x 33/3 34/4 -<span id="L795" class="LineNr">795 </span><span class="subxMinorFunction">_test-slice-hex-int-with-0x-prefix-end</span>: -<span id="L796" class="LineNr">796 </span> -<span id="L797" class="LineNr">797 </span><span class="subxMinorFunction">_test-slice-hex-int-zero</span>: -<span id="L798" class="LineNr">798 </span> 30/0 -<span id="L799" class="LineNr">799 </span><span class="subxMinorFunction">_test-slice-hex-int-zero-end</span>: -<span id="L800" class="LineNr">800 </span> -<span id="L801" class="LineNr">801 </span><span class="subxMinorFunction">_test-slice-hex-int-with-0-prefix</span>: -<span id="L802" class="LineNr">802 </span> 30/0 33/3 -<span id="L803" class="LineNr">803 </span><span class="subxMinorFunction">_test-slice-hex-int-with-0-prefix-end</span>: -<span id="L804" class="LineNr">804 </span> -<span id="L805" class="LineNr">805 </span><span class="subxMinorFunction">_test-slice-hex-int-negative-with-0-prefix</span>: -<span id="L806" class="LineNr">806 </span> 2d/- 30/0 33/3 -<span id="L807" class="LineNr">807 </span><span class="subxMinorFunction">_test-slice-hex-int-negative-with-0-prefix-end</span>: -<span id="L808" class="LineNr">808 </span> -<span id="L809" class="LineNr">809 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L723" class="LineNr">723 </span> 68/push <span class="Constant">"F - test-hex-above-f"</span>/imm32 +<span id="L724" class="LineNr">724 </span> 68/push 0/imm32/false +<span id="L725" class="LineNr">725 </span> 50/push-EAX +<span id="L726" class="LineNr">726 </span> <span class="subxS2Comment"># . . call</span> +<span id="L727" class="LineNr">727 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L728" class="LineNr">728 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L729" class="LineNr">729 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L730" class="LineNr">730 </span> c3/return +<span id="L731" class="LineNr">731 </span> +<span id="L732" class="LineNr">732 </span><span class="subxFunction">from-hex-char</span>: <span class="subxComment"># in/EAX : byte -> out/EAX : num</span> +<span id="L733" class="LineNr">733 </span> <span class="subxComment"># no error checking; accepts argument in EAX</span> +<span id="L734" class="LineNr">734 </span> <span class="subxComment"># if (EAX <= '9') return EAX - '0'</span> +<span id="L735" class="LineNr">735 </span> 3d/compare-EAX 0x39/imm32/9 +<span id="L736" class="LineNr">736 </span> 7f/jump-if-greater $from-hex-char:else/disp8 +<span id="L737" class="LineNr">737 </span> 2d/subtract-from-EAX 0x30/imm32/0 +<span id="L738" class="LineNr">738 </span> c3/return +<span id="L739" class="LineNr">739 </span><span class="Constant">$from-hex-char:else</span>: +<span id="L740" class="LineNr">740 </span> <span class="subxComment"># otherwise return EAX - 'a' + 10</span> +<span id="L741" class="LineNr">741 </span> 2d/subtract-from-EAX 0x57/imm32/a-10 +<span id="L742" class="LineNr">742 </span> c3/return +<span id="L743" class="LineNr">743 </span> +<span id="L744" class="LineNr">744 </span><span class="subxFunction">to-hex-char</span>: <span class="subxComment"># in/EAX : nibble -> out/EAX : byte</span> +<span id="L745" class="LineNr">745 </span> <span class="subxComment"># no error checking; accepts argument in EAX</span> +<span id="L746" class="LineNr">746 </span> <span class="subxComment"># if (EAX <= 9) return EAX + '0'</span> +<span id="L747" class="LineNr">747 </span> 3d/compare-EAX 0x9/imm32/9 +<span id="L748" class="LineNr">748 </span> 7f/jump-if-greater $to-hex-char:else/disp8 +<span id="L749" class="LineNr">749 </span> 05/add-to-EAX 0x30/imm32/0 +<span id="L750" class="LineNr">750 </span> c3/return +<span id="L751" class="LineNr">751 </span><span class="Constant">$to-hex-char:else</span>: +<span id="L752" class="LineNr">752 </span> <span class="subxComment"># otherwise return EAX + 'a' - 10</span> +<span id="L753" class="LineNr">753 </span> 05/add-to-EAX 0x57/imm32/a-10 +<span id="L754" class="LineNr">754 </span> c3/return +<span id="L755" class="LineNr">755 </span> +<span id="L756" class="LineNr">756 </span>== data +<span id="L757" class="LineNr">757 </span> +<span id="L758" class="LineNr">758 </span><span class="subxMinorFunction">_test-slice-empty</span>: +<span id="L759" class="LineNr">759 </span> <span class="subxComment"># nothing</span> +<span id="L760" class="LineNr">760 </span><span class="subxMinorFunction">_test-slice-empty-end</span>: +<span id="L761" class="LineNr">761 </span> +<span id="L762" class="LineNr">762 </span><span class="subxMinorFunction">_test-slice-hex-int</span>: +<span id="L763" class="LineNr">763 </span> 33/3 34/4 +<span id="L764" class="LineNr">764 </span><span class="subxMinorFunction">_test-slice-hex-int-end</span>: +<span id="L765" class="LineNr">765 </span> +<span id="L766" class="LineNr">766 </span><span class="subxMinorFunction">_test-slice-hex-int-letters-negative</span>: +<span id="L767" class="LineNr">767 </span> 2d/- +<span id="L768" class="LineNr">768 </span><span class="subxMinorFunction">_test-slice-hex-int-letters</span>: +<span id="L769" class="LineNr">769 </span> 33/3 34/4 61/a +<span id="L770" class="LineNr">770 </span><span class="subxMinorFunction">_test-slice-hex-int-letters-end</span>: +<span id="L771" class="LineNr">771 </span> +<span id="L772" class="LineNr">772 </span><span class="subxMinorFunction">_test-slice-hex-int-single-letter</span>: +<span id="L773" class="LineNr">773 </span> 61/a +<span id="L774" class="LineNr">774 </span><span class="subxMinorFunction">_test-slice-hex-int-single-letter-end</span>: +<span id="L775" class="LineNr">775 </span> +<span id="L776" class="LineNr">776 </span><span class="subxMinorFunction">_test-slice-char-and-digits</span>: +<span id="L777" class="LineNr">777 </span> 71/q 33/3 34/4 +<span id="L778" class="LineNr">778 </span><span class="subxMinorFunction">_test-slice-char-and-digits-end</span>: +<span id="L779" class="LineNr">779 </span> +<span id="L780" class="LineNr">780 </span><span class="subxMinorFunction">_test-slice-digits-and-char</span>: +<span id="L781" class="LineNr">781 </span> 33/3 34/4 71/q +<span id="L782" class="LineNr">782 </span><span class="subxMinorFunction">_test-slice-digits-and-char-end</span>: +<span id="L783" class="LineNr">783 </span> +<span id="L784" class="LineNr">784 </span><span class="subxMinorFunction">_test-slice-hex-int-with-0x-prefix-negative</span>: +<span id="L785" class="LineNr">785 </span> 2d/- +<span id="L786" class="LineNr">786 </span><span class="subxMinorFunction">_test-slice-hex-int-with-0x-prefix</span>: +<span id="L787" class="LineNr">787 </span> 30/0 78/x 33/3 34/4 +<span id="L788" class="LineNr">788 </span><span class="subxMinorFunction">_test-slice-hex-int-with-0x-prefix-end</span>: +<span id="L789" class="LineNr">789 </span> +<span id="L790" class="LineNr">790 </span><span class="subxMinorFunction">_test-slice-hex-int-zero</span>: +<span id="L791" class="LineNr">791 </span> 30/0 +<span id="L792" class="LineNr">792 </span><span class="subxMinorFunction">_test-slice-hex-int-zero-end</span>: +<span id="L793" class="LineNr">793 </span> +<span id="L794" class="LineNr">794 </span><span class="subxMinorFunction">_test-slice-hex-int-with-0-prefix</span>: +<span id="L795" class="LineNr">795 </span> 30/0 33/3 +<span id="L796" class="LineNr">796 </span><span class="subxMinorFunction">_test-slice-hex-int-with-0-prefix-end</span>: +<span id="L797" class="LineNr">797 </span> +<span id="L798" class="LineNr">798 </span><span class="subxMinorFunction">_test-slice-hex-int-negative-with-0-prefix</span>: +<span id="L799" class="LineNr">799 </span> 2d/- 30/0 33/3 +<span id="L800" class="LineNr">800 </span><span class="subxMinorFunction">_test-slice-hex-int-negative-with-0-prefix-end</span>: +<span id="L801" class="LineNr">801 </span> +<span id="L802" class="LineNr">802 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/066print-byte.subx.html b/html/subx/066print-byte.subx.html index 99fc717f..9b3bad7a 100644 --- a/html/subx/066print-byte.subx.html +++ b/html/subx/066print-byte.subx.html @@ -18,7 +18,6 @@ a { color:inherit; } .subxS2Comment { color: #8a8a8a; } .LineNr { } .subxS1Comment { color: #0000af; } -.SpecialChar { color: #d70000; } .subxFunction { color: #af5f00; text-decoration: underline; } .subxTest { color: #5f8700; } .Constant { color: #008787; } @@ -59,108 +58,101 @@ if ('onhashchange' in window) { <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/master/subx/066print-byte.subx'>https://github.com/akkartik/mu/blob/master/subx/066print-byte.subx</a> <pre id='vimCodeElement'> -<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Print the (hex) textual representation of the lowest byte of a number.</span> -<span id="L2" class="LineNr"> 2 </span> -<span id="L3" class="LineNr"> 3 </span>== code -<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># instruction effective address register displacement immediate</span> -<span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> -<span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> -<span id="L7" class="LineNr"> 7 </span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># main:</span> -<span id="L9" class="LineNr"> 9 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L10" class="LineNr"> 10 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L11" class="LineNr"> 11 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L12" class="LineNr"> 12 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L13" class="LineNr"> 13 </span> cd/syscall 0x80/imm8 -<span id="L14" class="LineNr"> 14 </span> -<span id="L15" class="LineNr"> 15 </span><span class="subxFunction">print-byte</span>: <span class="subxComment"># f : (address buffered-file), n : int -> <void></span> -<span id="L16" class="LineNr"> 16 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L17" class="LineNr"> 17 </span> 55/push-EBP -<span id="L18" class="LineNr"> 18 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L19" class="LineNr"> 19 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L20" class="LineNr"> 20 </span> 50/push-EAX -<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># AL = convert upper nibble to hex</span> -<span id="L22" class="LineNr"> 22 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EAX</span> -<span id="L23" class="LineNr"> 23 </span> c1/shift 5/subop/logic-right 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm8 <span class="subxComment"># shift EAX right by 4 bits, while padding zeroes</span> -<span id="L24" class="LineNr"> 24 </span> 25/and-EAX 0xf/imm32 -<span id="L25" class="LineNr"> 25 </span> <span class="subxS1Comment"># . AL = to-hex-char(AL)</span> -<span id="L26" class="LineNr"> 26 </span> e8/call <a href='065hex.subx.html#L751'>to-hex-char</a>/disp32 -<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># write-byte(f, AL)</span> -<span id="L28" class="LineNr"> 28 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L29" class="LineNr"> 29 </span> 50/push-EAX -<span id="L30" class="LineNr"> 30 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L31" class="LineNr"> 31 </span> <span class="subxS2Comment"># . . call</span> -<span id="L32" class="LineNr"> 32 </span> e8/call <a href='064write-byte.subx.html#L38'>write-byte</a>/disp32 -<span id="L33" class="LineNr"> 33 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L34" class="LineNr"> 34 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># AL = convert lower nibble to hex</span> -<span id="L36" class="LineNr"> 36 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EAX</span> -<span id="L37" class="LineNr"> 37 </span> 25/and-EAX 0xf/imm32 -<span id="L38" class="LineNr"> 38 </span> <span class="subxS1Comment"># . AL = to-hex-char(AL)</span> -<span id="L39" class="LineNr"> 39 </span> e8/call <a href='065hex.subx.html#L751'>to-hex-char</a>/disp32 -<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># write-byte(f, AL)</span> -<span id="L41" class="LineNr"> 41 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L42" class="LineNr"> 42 </span> 50/push-EAX -<span id="L43" class="LineNr"> 43 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L44" class="LineNr"> 44 </span> <span class="subxS2Comment"># . . call</span> -<span id="L45" class="LineNr"> 45 </span> e8/call <a href='064write-byte.subx.html#L38'>write-byte</a>/disp32 -<span id="L46" class="LineNr"> 46 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L47" class="LineNr"> 47 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L48" class="LineNr"> 48 </span><span class="Constant">$print-byte:end</span>: -<span id="L49" class="LineNr"> 49 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L50" class="LineNr"> 50 </span> 58/pop-to-EAX -<span id="L51" class="LineNr"> 51 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L52" class="LineNr"> 52 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L53" class="LineNr"> 53 </span> 5d/pop-to-EBP -<span id="L54" class="LineNr"> 54 </span> c3/return -<span id="L55" class="LineNr"> 55 </span> -<span id="L56" class="LineNr"> 56 </span><span class="subxTest">test-print-byte</span>: -<span id="L57" class="LineNr"> 57 </span> <span class="subxH1Comment"># - check that print-byte prints the hex textual representation</span> -<span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># setup</span> -<span id="L59" class="LineNr"> 59 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L60" class="LineNr"> 60 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L61" class="LineNr"> 61 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L62" class="LineNr"> 62 </span> <span class="subxS2Comment"># . . call</span> -<span id="L63" class="LineNr"> 63 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L64" class="LineNr"> 64 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L65" class="LineNr"> 65 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L66" class="LineNr"> 66 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L67" class="LineNr"> 67 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L68" class="LineNr"> 68 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L69" class="LineNr"> 69 </span> 05/add-to-EAX 4/imm32 -<span id="L70" class="LineNr"> 70 </span> 50/push-EAX -<span id="L71" class="LineNr"> 71 </span> <span class="subxS2Comment"># . . call</span> -<span id="L72" class="LineNr"> 72 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L73" class="LineNr"> 73 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L74" class="LineNr"> 74 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># print-byte(_test-buffered-file, 0xa) # exercises digit, non-digit as well as leading zero</span> -<span id="L76" class="LineNr"> 76 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L77" class="LineNr"> 77 </span> 68/push 0xa/imm32 -<span id="L78" class="LineNr"> 78 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L79" class="LineNr"> 79 </span> <span class="subxS2Comment"># . . call</span> -<span id="L80" class="LineNr"> 80 </span> e8/call <a href='066print-byte.subx.html#L15'>print-byte</a>/disp32 -<span id="L81" class="LineNr"> 81 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L82" class="LineNr"> 82 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L83" class="LineNr"> 83 </span> <span class="subxComment"># flush(_test-buffered-file)</span> -<span id="L84" class="LineNr"> 84 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L85" class="LineNr"> 85 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L86" class="LineNr"> 86 </span> <span class="subxS2Comment"># . . call</span> -<span id="L87" class="LineNr"> 87 </span> e8/call <a href='064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L88" class="LineNr"> 88 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L89" class="LineNr"> 89 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L90" class="LineNr"> 90 </span> <span class="subxComment"># check-stream-equal(_test-stream, "0a", msg)</span> -<span id="L91" class="LineNr"> 91 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L92" class="LineNr"> 92 </span> 68/push <span class="Constant">"F - test-print-byte"</span>/imm32 -<span id="L93" class="LineNr"> 93 </span> 68/push <span class="Constant">"0a"</span>/imm32 -<span id="L94" class="LineNr"> 94 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L95" class="LineNr"> 95 </span> <span class="subxS2Comment"># . . call</span> -<span id="L96" class="LineNr"> 96 </span> e8/call <a href='058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L97" class="LineNr"> 97 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L98" class="LineNr"> 98 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L99" class="LineNr"> 99 </span> <span class="subxS1Comment"># . end</span> -<span id="L100" class="LineNr">100 </span> c3/return -<span id="L101" class="LineNr">101 </span> -<span id="L102" class="LineNr">102 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Print the (hex) textual representation of the lowest byte of a number.</span> +<span id="L2" class="LineNr"> 2 </span> +<span id="L3" class="LineNr"> 3 </span>== code +<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># instruction effective address register displacement immediate</span> +<span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L7" class="LineNr"> 7 </span> +<span id="L8" class="LineNr"> 8 </span><span class="subxFunction">print-byte</span>: <span class="subxComment"># f : (address buffered-file), n : int -> <void></span> +<span id="L9" class="LineNr"> 9 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L10" class="LineNr">10 </span> 55/push-EBP +<span id="L11" class="LineNr">11 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L12" class="LineNr">12 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L13" class="LineNr">13 </span> 50/push-EAX +<span id="L14" class="LineNr">14 </span> <span class="subxComment"># AL = convert upper nibble to hex</span> +<span id="L15" class="LineNr">15 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EAX</span> +<span id="L16" class="LineNr">16 </span> c1/shift 5/subop/logic-right 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm8 <span class="subxComment"># shift EAX right by 4 bits, while padding zeroes</span> +<span id="L17" class="LineNr">17 </span> 25/and-EAX 0xf/imm32 +<span id="L18" class="LineNr">18 </span> <span class="subxS1Comment"># . AL = to-hex-char(AL)</span> +<span id="L19" class="LineNr">19 </span> e8/call <a href='065hex.subx.html#L744'>to-hex-char</a>/disp32 +<span id="L20" class="LineNr">20 </span> <span class="subxComment"># write-byte(f, AL)</span> +<span id="L21" class="LineNr">21 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L22" class="LineNr">22 </span> 50/push-EAX +<span id="L23" class="LineNr">23 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L24" class="LineNr">24 </span> <span class="subxS2Comment"># . . call</span> +<span id="L25" class="LineNr">25 </span> e8/call <a href='064write-byte.subx.html#L31'>write-byte</a>/disp32 +<span id="L26" class="LineNr">26 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L27" class="LineNr">27 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L28" class="LineNr">28 </span> <span class="subxComment"># AL = convert lower nibble to hex</span> +<span id="L29" class="LineNr">29 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EAX</span> +<span id="L30" class="LineNr">30 </span> 25/and-EAX 0xf/imm32 +<span id="L31" class="LineNr">31 </span> <span class="subxS1Comment"># . AL = to-hex-char(AL)</span> +<span id="L32" class="LineNr">32 </span> e8/call <a href='065hex.subx.html#L744'>to-hex-char</a>/disp32 +<span id="L33" class="LineNr">33 </span> <span class="subxComment"># write-byte(f, AL)</span> +<span id="L34" class="LineNr">34 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L35" class="LineNr">35 </span> 50/push-EAX +<span id="L36" class="LineNr">36 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L37" class="LineNr">37 </span> <span class="subxS2Comment"># . . call</span> +<span id="L38" class="LineNr">38 </span> e8/call <a href='064write-byte.subx.html#L31'>write-byte</a>/disp32 +<span id="L39" class="LineNr">39 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L40" class="LineNr">40 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L41" class="LineNr">41 </span><span class="Constant">$print-byte:end</span>: +<span id="L42" class="LineNr">42 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L43" class="LineNr">43 </span> 58/pop-to-EAX +<span id="L44" class="LineNr">44 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L45" class="LineNr">45 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L46" class="LineNr">46 </span> 5d/pop-to-EBP +<span id="L47" class="LineNr">47 </span> c3/return +<span id="L48" class="LineNr">48 </span> +<span id="L49" class="LineNr">49 </span><span class="subxTest">test-print-byte</span>: +<span id="L50" class="LineNr">50 </span> <span class="subxH1Comment"># - check that print-byte prints the hex textual representation</span> +<span id="L51" class="LineNr">51 </span> <span class="subxComment"># setup</span> +<span id="L52" class="LineNr">52 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L53" class="LineNr">53 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L54" class="LineNr">54 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L55" class="LineNr">55 </span> <span class="subxS2Comment"># . . call</span> +<span id="L56" class="LineNr">56 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L57" class="LineNr">57 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L58" class="LineNr">58 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L59" class="LineNr">59 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L60" class="LineNr">60 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L61" class="LineNr">61 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L62" class="LineNr">62 </span> 05/add-to-EAX 4/imm32 +<span id="L63" class="LineNr">63 </span> 50/push-EAX +<span id="L64" class="LineNr">64 </span> <span class="subxS2Comment"># . . call</span> +<span id="L65" class="LineNr">65 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L66" class="LineNr">66 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L67" class="LineNr">67 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L68" class="LineNr">68 </span> <span class="subxComment"># print-byte(_test-buffered-file, 0xa) # exercises digit, non-digit as well as leading zero</span> +<span id="L69" class="LineNr">69 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L70" class="LineNr">70 </span> 68/push 0xa/imm32 +<span id="L71" class="LineNr">71 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L72" class="LineNr">72 </span> <span class="subxS2Comment"># . . call</span> +<span id="L73" class="LineNr">73 </span> e8/call <a href='066print-byte.subx.html#L8'>print-byte</a>/disp32 +<span id="L74" class="LineNr">74 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L75" class="LineNr">75 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L76" class="LineNr">76 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L77" class="LineNr">77 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L78" class="LineNr">78 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L79" class="LineNr">79 </span> <span class="subxS2Comment"># . . call</span> +<span id="L80" class="LineNr">80 </span> e8/call <a href='064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L81" class="LineNr">81 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L82" class="LineNr">82 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L83" class="LineNr">83 </span> <span class="subxComment"># check-stream-equal(_test-stream, "0a", msg)</span> +<span id="L84" class="LineNr">84 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L85" class="LineNr">85 </span> 68/push <span class="Constant">"F - test-print-byte"</span>/imm32 +<span id="L86" class="LineNr">86 </span> 68/push <span class="Constant">"0a"</span>/imm32 +<span id="L87" class="LineNr">87 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L88" class="LineNr">88 </span> <span class="subxS2Comment"># . . call</span> +<span id="L89" class="LineNr">89 </span> e8/call <a href='058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L90" class="LineNr">90 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L91" class="LineNr">91 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L92" class="LineNr">92 </span> <span class="subxS1Comment"># . end</span> +<span id="L93" class="LineNr">93 </span> c3/return +<span id="L94" class="LineNr">94 </span> +<span id="L95" class="LineNr">95 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/067write-buffered.subx.html b/html/subx/067write-buffered.subx.html index a2805bc2..f0d6c4c1 100644 --- a/html/subx/067write-buffered.subx.html +++ b/html/subx/067write-buffered.subx.html @@ -23,7 +23,6 @@ a { color:inherit; } .subxTest { color: #5f8700; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } .subxS2Comment { color: #8a8a8a; } -.SpecialChar { color: #d70000; } .subxH1Comment { color: #005faf; text-decoration: underline; } --> </style> @@ -67,218 +66,217 @@ if ('onhashchange' in window) { <span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L7" class="LineNr"> 7 </span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># main:</span> +<span id="L8" class="LineNr"> 8 </span><span class="CommentedCode">#? Entry: # run a single test, while debugging</span> <span id="L9" class="LineNr"> 9 </span><span class="CommentedCode">#? e8/call test-write-buffered/disp32</span> <span id="L10" class="LineNr"> 10 </span><span class="CommentedCode">#? e8/call test-write-buffered-with-intermediate-flush/disp32</span> -<span id="L11" class="LineNr"> 11 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L12" class="LineNr"> 12 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L13" class="LineNr"> 13 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L14" class="LineNr"> 14 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L15" class="LineNr"> 15 </span> cd/syscall 0x80/imm8 -<span id="L16" class="LineNr"> 16 </span> -<span id="L17" class="LineNr"> 17 </span><span class="subxFunction">write-buffered</span>: <span class="subxComment"># f : (address buffered-file), msg : (address array byte) -> <void></span> -<span id="L18" class="LineNr"> 18 </span> <span class="subxComment"># pseudocode:</span> -<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># in = msg->data</span> -<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># inend = &msg->data[msg->length]</span> -<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># while (in < inend)</span> -<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># if (f->write >= f->length)</span> -<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># flush(f)</span> -<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># clear-stream(f)</span> -<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># c = *in</span> -<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># f->data[f->write] = c</span> -<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># ++f->write</span> -<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># ++in</span> -<span id="L29" class="LineNr"> 29 </span> <span class="subxComment">#</span> -<span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># registers:</span> -<span id="L31" class="LineNr"> 31 </span> <span class="subxComment"># in: ESI</span> -<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># inend: ECX</span> -<span id="L33" class="LineNr"> 33 </span> <span class="subxComment"># f: EDI</span> -<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># f->length: EDX</span> -<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># f->write: EBX (cached; need to keep in sync)</span> -<span id="L36" class="LineNr"> 36 </span> <span class="subxComment"># c: EAX</span> -<span id="L37" class="LineNr"> 37 </span> <span class="subxComment">#</span> -<span id="L38" class="LineNr"> 38 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L39" class="LineNr"> 39 </span> 55/push-EBP -<span id="L40" class="LineNr"> 40 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L41" class="LineNr"> 41 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L42" class="LineNr"> 42 </span> 50/push-EAX -<span id="L43" class="LineNr"> 43 </span> 51/push-ECX -<span id="L44" class="LineNr"> 44 </span> 52/push-EDX -<span id="L45" class="LineNr"> 45 </span> 53/push-EBX -<span id="L46" class="LineNr"> 46 </span> 56/push-ESI -<span id="L47" class="LineNr"> 47 </span> 57/push-EDI -<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># EAX = msg</span> -<span id="L49" class="LineNr"> 49 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EAX</span> -<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># in/ESI = msg->data</span> -<span id="L51" class="LineNr"> 51 </span> 8d/copy-address 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+4 to ESI</span> -<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># inend/ECX = &msg->data[msg->length]</span> -<span id="L53" class="LineNr"> 53 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L54" class="LineNr"> 54 </span> 8d/copy-address 0/mod/indirect 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX to ECX</span> -<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># EDI = f</span> -<span id="L56" class="LineNr"> 56 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> -<span id="L57" class="LineNr"> 57 </span> <span class="subxComment"># EDX = f->length</span> -<span id="L58" class="LineNr"> 58 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+12) to EDX</span> -<span id="L59" class="LineNr"> 59 </span> <span class="subxComment"># EBX = f->write</span> -<span id="L60" class="LineNr"> 60 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to EBX</span> -<span id="L61" class="LineNr"> 61 </span><span class="Constant">$write-buffered:loop</span>: -<span id="L62" class="LineNr"> 62 </span> <span class="subxComment"># if (in >= inend) break</span> -<span id="L63" class="LineNr"> 63 </span> 39/compare 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ESI with ECX</span> -<span id="L64" class="LineNr"> 64 </span> 7d/jump-if-greater-or-equal $write-buffered:loop-end/disp8 -<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># if (f->write >= f->length) flush and clear f's stream</span> -<span id="L66" class="LineNr"> 66 </span> 39/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EBX with EDX</span> -<span id="L67" class="LineNr"> 67 </span> 7c/jump-if-lesser $write-buffered:to-stream/disp8 -<span id="L68" class="LineNr"> 68 </span> <span class="subxS1Comment"># . persist f->write</span> -<span id="L69" class="LineNr"> 69 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EBX to *(EDI+4)</span> -<span id="L70" class="LineNr"> 70 </span> <span class="subxS1Comment"># . flush(f)</span> -<span id="L71" class="LineNr"> 71 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L72" class="LineNr"> 72 </span> 57/push-EDI -<span id="L73" class="LineNr"> 73 </span> <span class="subxS2Comment"># . . call</span> -<span id="L74" class="LineNr"> 74 </span> e8/call <a href='064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L75" class="LineNr"> 75 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L76" class="LineNr"> 76 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L77" class="LineNr"> 77 </span> <span class="subxS1Comment"># . clear-stream(stream = f+4)</span> -<span id="L78" class="LineNr"> 78 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L79" class="LineNr"> 79 </span> 8d/copy-address 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+4 to EAX</span> -<span id="L80" class="LineNr"> 80 </span> 50/push-EAX -<span id="L81" class="LineNr"> 81 </span> <span class="subxS2Comment"># . . call</span> -<span id="L82" class="LineNr"> 82 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L83" class="LineNr"> 83 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L84" class="LineNr"> 84 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L85" class="LineNr"> 85 </span> <span class="subxS1Comment"># . f->write must now be 0; update its cache at EBX</span> -<span id="L86" class="LineNr"> 86 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> -<span id="L87" class="LineNr"> 87 </span><span class="Constant">$write-buffered:to-stream</span>: -<span id="L88" class="LineNr"> 88 </span> <span class="subxComment"># write to stream</span> -<span id="L89" class="LineNr"> 89 </span> <span class="subxComment"># f->data[f->write] = *in</span> -<span id="L90" class="LineNr"> 90 </span> <span class="subxS1Comment"># . AL = *in</span> -<span id="L91" class="LineNr"> 91 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L92" class="LineNr"> 92 </span> 8a/copy-byte 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ESI to AL</span> -<span id="L93" class="LineNr"> 93 </span> <span class="subxS1Comment"># . f->data[f->write] = AL</span> -<span id="L94" class="LineNr"> 94 </span> 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/EDI 3/index/EBX <span class="Normal"> . </span> 0/r32/AL 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy AL to *(EDI+EBX+16)</span> -<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># ++f->write</span> -<span id="L96" class="LineNr"> 96 </span> 43/increment-EBX -<span id="L97" class="LineNr"> 97 </span> <span class="subxComment"># ++in</span> -<span id="L98" class="LineNr"> 98 </span> 46/increment-ESI -<span id="L99" class="LineNr"> 99 </span> eb/jump $write-buffered:loop/disp8 -<span id="L100" class="LineNr">100 </span><span class="Constant">$write-buffered:loop-end</span>: -<span id="L101" class="LineNr">101 </span> <span class="subxComment"># persist necessary variables from registers</span> -<span id="L102" class="LineNr">102 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EBX to *(EDI+4)</span> -<span id="L103" class="LineNr">103 </span><span class="Constant">$write-buffered:end</span>: -<span id="L104" class="LineNr">104 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L105" class="LineNr">105 </span> 5f/pop-to-EDI -<span id="L106" class="LineNr">106 </span> 5e/pop-to-ESI -<span id="L107" class="LineNr">107 </span> 5b/pop-to-EBX -<span id="L108" class="LineNr">108 </span> 5a/pop-to-EDX -<span id="L109" class="LineNr">109 </span> 59/pop-to-ECX -<span id="L110" class="LineNr">110 </span> 58/pop-to-EAX -<span id="L111" class="LineNr">111 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L112" class="LineNr">112 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L113" class="LineNr">113 </span> 5d/pop-to-EBP -<span id="L114" class="LineNr">114 </span> c3/return -<span id="L115" class="LineNr">115 </span> -<span id="L116" class="LineNr">116 </span><span class="subxTest">test-write-buffered</span>: -<span id="L117" class="LineNr">117 </span> <span class="subxH1Comment"># - check that write-buffered writes to the file</span> -<span id="L118" class="LineNr">118 </span> <span class="subxComment"># setup</span> -<span id="L119" class="LineNr">119 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L120" class="LineNr">120 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L121" class="LineNr">121 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L122" class="LineNr">122 </span> <span class="subxS2Comment"># . . call</span> -<span id="L123" class="LineNr">123 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L125" class="LineNr">125 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L126" class="LineNr">126 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L128" class="LineNr">128 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L129" class="LineNr">129 </span> 05/add-to-EAX 4/imm32 -<span id="L130" class="LineNr">130 </span> 50/push-EAX -<span id="L131" class="LineNr">131 </span> <span class="subxS2Comment"># . . call</span> -<span id="L132" class="LineNr">132 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L134" class="LineNr">134 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L135" class="LineNr">135 </span> <span class="subxComment"># write-buffered(_test-buffered-file, "Abc")</span> -<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L137" class="LineNr">137 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L138" class="LineNr">138 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . call</span> -<span id="L140" class="LineNr">140 </span> e8/call <a href='067write-buffered.subx.html#L17'>write-buffered</a>/disp32 -<span id="L141" class="LineNr">141 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L142" class="LineNr">142 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L143" class="LineNr">143 </span> <span class="subxComment"># flush(_test-buffered-file)</span> -<span id="L144" class="LineNr">144 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L145" class="LineNr">145 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . call</span> -<span id="L147" class="LineNr">147 </span> e8/call <a href='064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L148" class="LineNr">148 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L149" class="LineNr">149 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L150" class="LineNr">150 </span> <span class="subxComment"># check-stream-equal(_test-stream, "Abc", msg)</span> -<span id="L151" class="LineNr">151 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L152" class="LineNr">152 </span> 68/push <span class="Constant">"F - test-write-buffered-single"</span>/imm32 -<span id="L153" class="LineNr">153 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L154" class="LineNr">154 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L155" class="LineNr">155 </span> <span class="subxS2Comment"># . . call</span> -<span id="L156" class="LineNr">156 </span> e8/call <a href='058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L158" class="LineNr">158 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L159" class="LineNr">159 </span> <span class="subxS1Comment"># . end</span> -<span id="L160" class="LineNr">160 </span> c3/return -<span id="L161" class="LineNr">161 </span> -<span id="L162" class="LineNr">162 </span><span class="subxTest">test-write-buffered-with-intermediate-flush</span>: -<span id="L163" class="LineNr">163 </span> <span class="subxH1Comment"># - check that write-buffered flushes in the middle if its buffer fills up</span> -<span id="L164" class="LineNr">164 </span> <span class="subxComment"># setup</span> -<span id="L165" class="LineNr">165 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L166" class="LineNr">166 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L167" class="LineNr">167 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . call</span> -<span id="L169" class="LineNr">169 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L170" class="LineNr">170 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L171" class="LineNr">171 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L172" class="LineNr">172 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L173" class="LineNr">173 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L174" class="LineNr">174 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L175" class="LineNr">175 </span> 05/add-to-EAX 4/imm32 -<span id="L176" class="LineNr">176 </span> 50/push-EAX -<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . call</span> -<span id="L178" class="LineNr">178 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L179" class="LineNr">179 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L180" class="LineNr">180 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L181" class="LineNr">181 </span> <span class="subxComment"># _test-stream can hold 8 bytes, but _test-buffered-file can hold only 6.</span> -<span id="L182" class="LineNr">182 </span> <span class="subxComment"># Try to write 7 bytes.</span> -<span id="L183" class="LineNr">183 </span> <span class="subxS1Comment"># . write-buffered(_test-buffered-file, "Abcdefg")</span> -<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L185" class="LineNr">185 </span> 68/push <span class="Constant">"Abcdefg"</span>/imm32 -<span id="L186" class="LineNr">186 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . call</span> -<span id="L188" class="LineNr">188 </span> e8/call <a href='067write-buffered.subx.html#L17'>write-buffered</a>/disp32 -<span id="L189" class="LineNr">189 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L190" class="LineNr">190 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L191" class="LineNr">191 </span> <span class="subxComment"># don't flush</span> -<span id="L192" class="LineNr">192 </span> <span class="subxComment"># 6 bytes should still have gotten to _test-stream</span> -<span id="L193" class="LineNr">193 </span> <span class="subxS1Comment"># . check-ints-equal(*_test-stream->write, 6, msg)</span> -<span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L195" class="LineNr">195 </span> 68/push <span class="Constant">"F - <a href='067write-buffered.subx.html#L162'>test-write-buffered-with-intermediate-flush</a>: flushed data"</span>/imm32 -<span id="L196" class="LineNr">196 </span> 68/push 6/imm32 -<span id="L197" class="LineNr">197 </span> <span class="subxS2Comment"># . . push *_test-stream->write</span> -<span id="L198" class="LineNr">198 </span> b8/copy-to-EAX <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L199" class="LineNr">199 </span> ff 6/subop/push 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *EAX</span> -<span id="L200" class="LineNr">200 </span> <span class="subxS2Comment"># . . call</span> -<span id="L201" class="LineNr">201 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L203" class="LineNr">203 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L204" class="LineNr">204 </span> <span class="subxComment"># and 1 byte should still be in _test-buffered-file</span> -<span id="L205" class="LineNr">205 </span> <span class="subxS1Comment"># . check-ints-equal(*_test-buffered-file->write, 1, msg)</span> -<span id="L206" class="LineNr">206 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L207" class="LineNr">207 </span> 68/push <span class="Constant">"F - <a href='067write-buffered.subx.html#L162'>test-write-buffered-with-intermediate-flush</a>: unflushed bytes"</span>/imm32 -<span id="L208" class="LineNr">208 </span> 68/push 1/imm32 -<span id="L209" class="LineNr">209 </span> <span class="subxS2Comment"># . . push *_test-buffered-file->write</span> -<span id="L210" class="LineNr">210 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L211" class="LineNr">211 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L212" class="LineNr">212 </span> <span class="subxS2Comment"># . . call</span> -<span id="L213" class="LineNr">213 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L214" class="LineNr">214 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L215" class="LineNr">215 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L216" class="LineNr">216 </span> <span class="subxS1Comment"># . end</span> -<span id="L217" class="LineNr">217 </span> c3/return -<span id="L218" class="LineNr">218 </span> -<span id="L219" class="LineNr">219 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L11" class="LineNr"> 11 </span><span class="CommentedCode">#? # syscall(exit, Num-test-failures)</span> +<span id="L12" class="LineNr"> 12 </span><span class="CommentedCode">#? 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX</span> +<span id="L13" class="LineNr"> 13 </span><span class="CommentedCode">#? b8/copy-to-EAX 1/imm32/exit</span> +<span id="L14" class="LineNr"> 14 </span><span class="CommentedCode">#? cd/syscall 0x80/imm8</span> +<span id="L15" class="LineNr"> 15 </span> +<span id="L16" class="LineNr"> 16 </span><span class="subxFunction">write-buffered</span>: <span class="subxComment"># f : (address buffered-file), msg : (address array byte) -> <void></span> +<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># pseudocode:</span> +<span id="L18" class="LineNr"> 18 </span> <span class="subxComment"># in = msg->data</span> +<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># inend = &msg->data[msg->length]</span> +<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># while (in < inend)</span> +<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># if (f->write >= f->length)</span> +<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># flush(f)</span> +<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># clear-stream(f)</span> +<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># c = *in</span> +<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># f->data[f->write] = c</span> +<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># ++f->write</span> +<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># ++in</span> +<span id="L28" class="LineNr"> 28 </span> <span class="subxComment">#</span> +<span id="L29" class="LineNr"> 29 </span> <span class="subxComment"># registers:</span> +<span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># in: ESI</span> +<span id="L31" class="LineNr"> 31 </span> <span class="subxComment"># inend: ECX</span> +<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># f: EDI</span> +<span id="L33" class="LineNr"> 33 </span> <span class="subxComment"># f->length: EDX</span> +<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># f->write: EBX (cached; need to keep in sync)</span> +<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># c: EAX</span> +<span id="L36" class="LineNr"> 36 </span> <span class="subxComment">#</span> +<span id="L37" class="LineNr"> 37 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L38" class="LineNr"> 38 </span> 55/push-EBP +<span id="L39" class="LineNr"> 39 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L40" class="LineNr"> 40 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L41" class="LineNr"> 41 </span> 50/push-EAX +<span id="L42" class="LineNr"> 42 </span> 51/push-ECX +<span id="L43" class="LineNr"> 43 </span> 52/push-EDX +<span id="L44" class="LineNr"> 44 </span> 53/push-EBX +<span id="L45" class="LineNr"> 45 </span> 56/push-ESI +<span id="L46" class="LineNr"> 46 </span> 57/push-EDI +<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># EAX = msg</span> +<span id="L48" class="LineNr"> 48 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EAX</span> +<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># in/ESI = msg->data</span> +<span id="L50" class="LineNr"> 50 </span> 8d/copy-address 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+4 to ESI</span> +<span id="L51" class="LineNr"> 51 </span> <span class="subxComment"># inend/ECX = &msg->data[msg->length]</span> +<span id="L52" class="LineNr"> 52 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L53" class="LineNr"> 53 </span> 8d/copy-address 0/mod/indirect 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX to ECX</span> +<span id="L54" class="LineNr"> 54 </span> <span class="subxComment"># EDI = f</span> +<span id="L55" class="LineNr"> 55 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> +<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># EDX = f->length</span> +<span id="L57" class="LineNr"> 57 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+12) to EDX</span> +<span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># EBX = f->write</span> +<span id="L59" class="LineNr"> 59 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to EBX</span> +<span id="L60" class="LineNr"> 60 </span><span class="Constant">$write-buffered:loop</span>: +<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># if (in >= inend) break</span> +<span id="L62" class="LineNr"> 62 </span> 39/compare 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ESI with ECX</span> +<span id="L63" class="LineNr"> 63 </span> 7d/jump-if-greater-or-equal $write-buffered:loop-end/disp8 +<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># if (f->write >= f->length) flush and clear f's stream</span> +<span id="L65" class="LineNr"> 65 </span> 39/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EBX with EDX</span> +<span id="L66" class="LineNr"> 66 </span> 7c/jump-if-lesser $write-buffered:to-stream/disp8 +<span id="L67" class="LineNr"> 67 </span> <span class="subxS1Comment"># . persist f->write</span> +<span id="L68" class="LineNr"> 68 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EBX to *(EDI+4)</span> +<span id="L69" class="LineNr"> 69 </span> <span class="subxS1Comment"># . flush(f)</span> +<span id="L70" class="LineNr"> 70 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L71" class="LineNr"> 71 </span> 57/push-EDI +<span id="L72" class="LineNr"> 72 </span> <span class="subxS2Comment"># . . call</span> +<span id="L73" class="LineNr"> 73 </span> e8/call <a href='064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L74" class="LineNr"> 74 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L75" class="LineNr"> 75 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L76" class="LineNr"> 76 </span> <span class="subxS1Comment"># . clear-stream(stream = f+4)</span> +<span id="L77" class="LineNr"> 77 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L78" class="LineNr"> 78 </span> 8d/copy-address 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+4 to EAX</span> +<span id="L79" class="LineNr"> 79 </span> 50/push-EAX +<span id="L80" class="LineNr"> 80 </span> <span class="subxS2Comment"># . . call</span> +<span id="L81" class="LineNr"> 81 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L83" class="LineNr"> 83 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L84" class="LineNr"> 84 </span> <span class="subxS1Comment"># . f->write must now be 0; update its cache at EBX</span> +<span id="L85" class="LineNr"> 85 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> +<span id="L86" class="LineNr"> 86 </span><span class="Constant">$write-buffered:to-stream</span>: +<span id="L87" class="LineNr"> 87 </span> <span class="subxComment"># write to stream</span> +<span id="L88" class="LineNr"> 88 </span> <span class="subxComment"># f->data[f->write] = *in</span> +<span id="L89" class="LineNr"> 89 </span> <span class="subxS1Comment"># . AL = *in</span> +<span id="L90" class="LineNr"> 90 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L91" class="LineNr"> 91 </span> 8a/copy-byte 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ESI to AL</span> +<span id="L92" class="LineNr"> 92 </span> <span class="subxS1Comment"># . f->data[f->write] = AL</span> +<span id="L93" class="LineNr"> 93 </span> 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/EDI 3/index/EBX <span class="Normal"> . </span> 0/r32/AL 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy AL to *(EDI+EBX+16)</span> +<span id="L94" class="LineNr"> 94 </span> <span class="subxComment"># ++f->write</span> +<span id="L95" class="LineNr"> 95 </span> 43/increment-EBX +<span id="L96" class="LineNr"> 96 </span> <span class="subxComment"># ++in</span> +<span id="L97" class="LineNr"> 97 </span> 46/increment-ESI +<span id="L98" class="LineNr"> 98 </span> eb/jump $write-buffered:loop/disp8 +<span id="L99" class="LineNr"> 99 </span><span class="Constant">$write-buffered:loop-end</span>: +<span id="L100" class="LineNr">100 </span> <span class="subxComment"># persist necessary variables from registers</span> +<span id="L101" class="LineNr">101 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EBX to *(EDI+4)</span> +<span id="L102" class="LineNr">102 </span><span class="Constant">$write-buffered:end</span>: +<span id="L103" class="LineNr">103 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L104" class="LineNr">104 </span> 5f/pop-to-EDI +<span id="L105" class="LineNr">105 </span> 5e/pop-to-ESI +<span id="L106" class="LineNr">106 </span> 5b/pop-to-EBX +<span id="L107" class="LineNr">107 </span> 5a/pop-to-EDX +<span id="L108" class="LineNr">108 </span> 59/pop-to-ECX +<span id="L109" class="LineNr">109 </span> 58/pop-to-EAX +<span id="L110" class="LineNr">110 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L111" class="LineNr">111 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L112" class="LineNr">112 </span> 5d/pop-to-EBP +<span id="L113" class="LineNr">113 </span> c3/return +<span id="L114" class="LineNr">114 </span> +<span id="L115" class="LineNr">115 </span><span class="subxTest">test-write-buffered</span>: +<span id="L116" class="LineNr">116 </span> <span class="subxH1Comment"># - check that write-buffered writes to the file</span> +<span id="L117" class="LineNr">117 </span> <span class="subxComment"># setup</span> +<span id="L118" class="LineNr">118 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L120" class="LineNr">120 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L121" class="LineNr">121 </span> <span class="subxS2Comment"># . . call</span> +<span id="L122" class="LineNr">122 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L123" class="LineNr">123 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L124" class="LineNr">124 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L125" class="LineNr">125 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L126" class="LineNr">126 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L127" class="LineNr">127 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L128" class="LineNr">128 </span> 05/add-to-EAX 4/imm32 +<span id="L129" class="LineNr">129 </span> 50/push-EAX +<span id="L130" class="LineNr">130 </span> <span class="subxS2Comment"># . . call</span> +<span id="L131" class="LineNr">131 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L133" class="LineNr">133 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L134" class="LineNr">134 </span> <span class="subxComment"># write-buffered(_test-buffered-file, "Abc")</span> +<span id="L135" class="LineNr">135 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L136" class="LineNr">136 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L137" class="LineNr">137 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . call</span> +<span id="L139" class="LineNr">139 </span> e8/call <a href='067write-buffered.subx.html#L16'>write-buffered</a>/disp32 +<span id="L140" class="LineNr">140 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L141" class="LineNr">141 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L142" class="LineNr">142 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L143" class="LineNr">143 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L144" class="LineNr">144 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L145" class="LineNr">145 </span> <span class="subxS2Comment"># . . call</span> +<span id="L146" class="LineNr">146 </span> e8/call <a href='064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L148" class="LineNr">148 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L149" class="LineNr">149 </span> <span class="subxComment"># check-stream-equal(_test-stream, "Abc", msg)</span> +<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L151" class="LineNr">151 </span> 68/push <span class="Constant">"F - test-write-buffered-single"</span>/imm32 +<span id="L152" class="LineNr">152 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L153" class="LineNr">153 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . call</span> +<span id="L155" class="LineNr">155 </span> e8/call <a href='058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L157" class="LineNr">157 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L158" class="LineNr">158 </span> <span class="subxS1Comment"># . end</span> +<span id="L159" class="LineNr">159 </span> c3/return +<span id="L160" class="LineNr">160 </span> +<span id="L161" class="LineNr">161 </span><span class="subxTest">test-write-buffered-with-intermediate-flush</span>: +<span id="L162" class="LineNr">162 </span> <span class="subxH1Comment"># - check that write-buffered flushes in the middle if its buffer fills up</span> +<span id="L163" class="LineNr">163 </span> <span class="subxComment"># setup</span> +<span id="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L166" class="LineNr">166 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L167" class="LineNr">167 </span> <span class="subxS2Comment"># . . call</span> +<span id="L168" class="LineNr">168 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L169" class="LineNr">169 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L170" class="LineNr">170 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L171" class="LineNr">171 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L172" class="LineNr">172 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L173" class="LineNr">173 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L174" class="LineNr">174 </span> 05/add-to-EAX 4/imm32 +<span id="L175" class="LineNr">175 </span> 50/push-EAX +<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . call</span> +<span id="L177" class="LineNr">177 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L179" class="LineNr">179 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L180" class="LineNr">180 </span> <span class="subxComment"># _test-stream can hold 8 bytes, but _test-buffered-file can hold only 6.</span> +<span id="L181" class="LineNr">181 </span> <span class="subxComment"># Try to write 7 bytes.</span> +<span id="L182" class="LineNr">182 </span> <span class="subxS1Comment"># . write-buffered(_test-buffered-file, "Abcdefg")</span> +<span id="L183" class="LineNr">183 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L184" class="LineNr">184 </span> 68/push <span class="Constant">"Abcdefg"</span>/imm32 +<span id="L185" class="LineNr">185 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L186" class="LineNr">186 </span> <span class="subxS2Comment"># . . call</span> +<span id="L187" class="LineNr">187 </span> e8/call <a href='067write-buffered.subx.html#L16'>write-buffered</a>/disp32 +<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L189" class="LineNr">189 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L190" class="LineNr">190 </span> <span class="subxComment"># don't flush</span> +<span id="L191" class="LineNr">191 </span> <span class="subxComment"># 6 bytes should still have gotten to _test-stream</span> +<span id="L192" class="LineNr">192 </span> <span class="subxS1Comment"># . check-ints-equal(*_test-stream->write, 6, msg)</span> +<span id="L193" class="LineNr">193 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L194" class="LineNr">194 </span> 68/push <span class="Constant">"F - <a href='067write-buffered.subx.html#L161'>test-write-buffered-with-intermediate-flush</a>: flushed data"</span>/imm32 +<span id="L195" class="LineNr">195 </span> 68/push 6/imm32 +<span id="L196" class="LineNr">196 </span> <span class="subxS2Comment"># . . push *_test-stream->write</span> +<span id="L197" class="LineNr">197 </span> b8/copy-to-EAX <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L198" class="LineNr">198 </span> ff 6/subop/push 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *EAX</span> +<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . call</span> +<span id="L200" class="LineNr">200 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L201" class="LineNr">201 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L202" class="LineNr">202 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L203" class="LineNr">203 </span> <span class="subxComment"># and 1 byte should still be in _test-buffered-file</span> +<span id="L204" class="LineNr">204 </span> <span class="subxS1Comment"># . check-ints-equal(*_test-buffered-file->write, 1, msg)</span> +<span id="L205" class="LineNr">205 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L206" class="LineNr">206 </span> 68/push <span class="Constant">"F - <a href='067write-buffered.subx.html#L161'>test-write-buffered-with-intermediate-flush</a>: unflushed bytes"</span>/imm32 +<span id="L207" class="LineNr">207 </span> 68/push 1/imm32 +<span id="L208" class="LineNr">208 </span> <span class="subxS2Comment"># . . push *_test-buffered-file->write</span> +<span id="L209" class="LineNr">209 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L210" class="LineNr">210 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L211" class="LineNr">211 </span> <span class="subxS2Comment"># . . call</span> +<span id="L212" class="LineNr">212 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L213" class="LineNr">213 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L214" class="LineNr">214 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L215" class="LineNr">215 </span> <span class="subxS1Comment"># . end</span> +<span id="L216" class="LineNr">216 </span> c3/return +<span id="L217" class="LineNr">217 </span> +<span id="L218" class="LineNr">218 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/068error-byte.subx.html b/html/subx/068error-byte.subx.html index a8a5c7a7..9d4790ee 100644 --- a/html/subx/068error-byte.subx.html +++ b/html/subx/068error-byte.subx.html @@ -65,111 +65,108 @@ if ('onhashchange' in window) { <span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L7" class="LineNr"> 7 </span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># main:</span> -<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># manual test</span> -<span id="L10" class="LineNr"> 10 </span><span class="CommentedCode">#? # . var ed/EAX : exit-descriptor</span> -<span id="L11" class="LineNr"> 11 </span><span class="CommentedCode">#? 81 5/subop/subtract 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # subtract from ESP</span> -<span id="L12" class="LineNr"> 12 </span><span class="CommentedCode">#? 89/copy 3/mod/direct 0/rm32/EAX . . . 4/r32/ESP . . # copy ESP to EAX</span> -<span id="L13" class="LineNr"> 13 </span><span class="CommentedCode">#? # . configure ed to really exit()</span> -<span id="L14" class="LineNr"> 14 </span><span class="CommentedCode">#? # . . ed->target = 0</span> -<span id="L15" class="LineNr"> 15 </span><span class="CommentedCode">#? c7 0/subop/copy 0/mod/direct 0/rm32/EAX . . . . . 0/imm32 # copy to *EAX</span> -<span id="L16" class="LineNr"> 16 </span><span class="CommentedCode">#? # . error-byte(ed, Stdout, msg, 34)</span> -<span id="L17" class="LineNr"> 17 </span><span class="CommentedCode">#? 68/push 0x34/imm32</span> -<span id="L18" class="LineNr"> 18 </span><span class="CommentedCode">#? 68/push "abc"/imm32</span> -<span id="L19" class="LineNr"> 19 </span><span class="CommentedCode">#? 68/push Stderr/imm32</span> -<span id="L20" class="LineNr"> 20 </span><span class="CommentedCode">#? 50/push-EAX</span> -<span id="L21" class="LineNr"> 21 </span><span class="CommentedCode">#? e8/call error-byte/disp32</span> -<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># automatic test</span> -<span id="L23" class="LineNr"> 23 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L24" class="LineNr"> 24 </span> <span class="subxS1Comment"># . syscall(exit, Num-test-failures)</span> -<span id="L25" class="LineNr"> 25 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L26" class="LineNr"> 26 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L27" class="LineNr"> 27 </span> cd/syscall 0x80/imm8 -<span id="L28" class="LineNr"> 28 </span> -<span id="L29" class="LineNr"> 29 </span><span class="subxComment"># write(out, "Error: "+msg+": "+byte) then stop(ed, 1)</span> -<span id="L30" class="LineNr"> 30 </span><span class="subxFunction">error-byte</span>: <span class="subxComment"># ed : (address exit-descriptor), out : (address buffered-file), msg : (address array byte), n : byte -> <void></span> -<span id="L31" class="LineNr"> 31 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L32" class="LineNr"> 32 </span> 55/push-EBP -<span id="L33" class="LineNr"> 33 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># write-buffered(out, "Error: ")</span> -<span id="L35" class="LineNr"> 35 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L36" class="LineNr"> 36 </span> 68/push <span class="Constant">"Error: "</span>/imm32 -<span id="L37" class="LineNr"> 37 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L38" class="LineNr"> 38 </span> <span class="subxS2Comment"># . . call</span> -<span id="L39" class="LineNr"> 39 </span> e8/call <a href='067write-buffered.subx.html#L17'>write-buffered</a>/disp32 -<span id="L40" class="LineNr"> 40 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L41" class="LineNr"> 41 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L42" class="LineNr"> 42 </span> <span class="subxComment"># write-buffered(out, msg)</span> -<span id="L43" class="LineNr"> 43 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L44" class="LineNr"> 44 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L45" class="LineNr"> 45 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L46" class="LineNr"> 46 </span> <span class="subxS2Comment"># . . call</span> -<span id="L47" class="LineNr"> 47 </span> e8/call <a href='067write-buffered.subx.html#L17'>write-buffered</a>/disp32 -<span id="L48" class="LineNr"> 48 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L49" class="LineNr"> 49 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># write-buffered(out, ": ")</span> -<span id="L51" class="LineNr"> 51 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L52" class="LineNr"> 52 </span> 68/push <span class="Constant">": "</span>/imm32 -<span id="L53" class="LineNr"> 53 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L54" class="LineNr"> 54 </span> <span class="subxS2Comment"># . . call</span> -<span id="L55" class="LineNr"> 55 </span> e8/call <a href='067write-buffered.subx.html#L17'>write-buffered</a>/disp32 -<span id="L56" class="LineNr"> 56 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L57" class="LineNr"> 57 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># print-byte(out, byte)</span> -<span id="L59" class="LineNr"> 59 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L60" class="LineNr"> 60 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> -<span id="L61" class="LineNr"> 61 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L62" class="LineNr"> 62 </span> <span class="subxS2Comment"># . . call</span> -<span id="L63" class="LineNr"> 63 </span> e8/call <a href='066print-byte.subx.html#L15'>print-byte</a>/disp32 -<span id="L64" class="LineNr"> 64 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L65" class="LineNr"> 65 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># write-buffered(out, Newline)</span> -<span id="L67" class="LineNr"> 67 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L68" class="LineNr"> 68 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L69" class="LineNr"> 69 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L70" class="LineNr"> 70 </span> <span class="subxS2Comment"># . . call</span> -<span id="L71" class="LineNr"> 71 </span> e8/call <a href='067write-buffered.subx.html#L17'>write-buffered</a>/disp32 -<span id="L72" class="LineNr"> 72 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L73" class="LineNr"> 73 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L74" class="LineNr"> 74 </span> <span class="subxS1Comment"># . flush(out)</span> -<span id="L75" class="LineNr"> 75 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L76" class="LineNr"> 76 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L77" class="LineNr"> 77 </span> <span class="subxS2Comment"># . . call</span> -<span id="L78" class="LineNr"> 78 </span> e8/call <a href='064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L79" class="LineNr"> 79 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L80" class="LineNr"> 80 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L81" class="LineNr"> 81 </span> <span class="subxComment"># stop(ed, 1)</span> -<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L83" class="LineNr"> 83 </span> 68/push 1/imm32 -<span id="L84" class="LineNr"> 84 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L85" class="LineNr"> 85 </span> <span class="subxS2Comment"># . . call</span> -<span id="L86" class="LineNr"> 86 </span> e8/call <a href='059stop.subx.html#L99'>stop</a>/disp32 -<span id="L87" class="LineNr"> 87 </span> <span class="subxComment"># should never get past this point</span> -<span id="L88" class="LineNr"> 88 </span><span class="Constant">$error-byte:dead-end</span>: -<span id="L89" class="LineNr"> 89 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L90" class="LineNr"> 90 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L91" class="LineNr"> 91 </span> 5d/pop-to-EBP -<span id="L92" class="LineNr"> 92 </span> c3/return -<span id="L93" class="LineNr"> 93 </span> -<span id="L94" class="LineNr"> 94 </span>== data -<span id="L95" class="LineNr"> 95 </span> -<span id="L96" class="LineNr"> 96 </span><span class="subxComment"># The buffered file for standard error.</span> -<span id="L97" class="LineNr"> 97 </span><span class="SpecialChar">Stderr</span>: -<span id="L98" class="LineNr"> 98 </span> <span class="subxComment"># file descriptor or (address stream)</span> -<span id="L99" class="LineNr"> 99 </span> 02 00 00 00 <span class="subxComment"># 1 = standard error</span> -<span id="L100" class="LineNr">100 </span> <span class="subxComment"># current write index</span> -<span id="L101" class="LineNr">101 </span> 00 00 00 00 -<span id="L102" class="LineNr">102 </span> <span class="subxComment"># current read index</span> -<span id="L103" class="LineNr">103 </span> 00 00 00 00 -<span id="L104" class="LineNr">104 </span> <span class="subxComment"># length (8)</span> -<span id="L105" class="LineNr">105 </span> 08 00 00 00 -<span id="L106" class="LineNr">106 </span> <span class="subxComment"># data</span> -<span id="L107" class="LineNr">107 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> +<span id="L8" class="LineNr"> 8 </span><span class="CommentedCode">#? Entry: # manual test</span> +<span id="L9" class="LineNr"> 9 </span><span class="CommentedCode">#? # . var ed/EAX : exit-descriptor</span> +<span id="L10" class="LineNr"> 10 </span><span class="CommentedCode">#? 81 5/subop/subtract 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # subtract from ESP</span> +<span id="L11" class="LineNr"> 11 </span><span class="CommentedCode">#? 89/copy 3/mod/direct 0/rm32/EAX . . . 4/r32/ESP . . # copy ESP to EAX</span> +<span id="L12" class="LineNr"> 12 </span><span class="CommentedCode">#? # . configure ed to really exit()</span> +<span id="L13" class="LineNr"> 13 </span><span class="CommentedCode">#? # . . ed->target = 0</span> +<span id="L14" class="LineNr"> 14 </span><span class="CommentedCode">#? c7 0/subop/copy 0/mod/direct 0/rm32/EAX . . . . . 0/imm32 # copy to *EAX</span> +<span id="L15" class="LineNr"> 15 </span><span class="CommentedCode">#? # . error-byte(ed, Stdout, msg, 34)</span> +<span id="L16" class="LineNr"> 16 </span><span class="CommentedCode">#? 68/push 0x34/imm32</span> +<span id="L17" class="LineNr"> 17 </span><span class="CommentedCode">#? 68/push "abc"/imm32</span> +<span id="L18" class="LineNr"> 18 </span><span class="CommentedCode">#? 68/push Stderr/imm32</span> +<span id="L19" class="LineNr"> 19 </span><span class="CommentedCode">#? 50/push-EAX</span> +<span id="L20" class="LineNr"> 20 </span><span class="CommentedCode">#? e8/call error-byte/disp32</span> +<span id="L21" class="LineNr"> 21 </span><span class="CommentedCode">#? # . syscall(exit, Num-test-failures)</span> +<span id="L22" class="LineNr"> 22 </span><span class="CommentedCode">#? 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX</span> +<span id="L23" class="LineNr"> 23 </span><span class="CommentedCode">#? b8/copy-to-EAX 1/imm32/exit</span> +<span id="L24" class="LineNr"> 24 </span><span class="CommentedCode">#? cd/syscall 0x80/imm8</span> +<span id="L25" class="LineNr"> 25 </span> +<span id="L26" class="LineNr"> 26 </span><span class="subxComment"># write(out, "Error: "+msg+": "+byte) then stop(ed, 1)</span> +<span id="L27" class="LineNr"> 27 </span><span class="subxFunction">error-byte</span>: <span class="subxComment"># ed : (address exit-descriptor), out : (address buffered-file), msg : (address array byte), n : byte -> <void></span> +<span id="L28" class="LineNr"> 28 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L29" class="LineNr"> 29 </span> 55/push-EBP +<span id="L30" class="LineNr"> 30 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L31" class="LineNr"> 31 </span> <span class="subxComment"># write-buffered(out, "Error: ")</span> +<span id="L32" class="LineNr"> 32 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L33" class="LineNr"> 33 </span> 68/push <span class="Constant">"Error: "</span>/imm32 +<span id="L34" class="LineNr"> 34 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L35" class="LineNr"> 35 </span> <span class="subxS2Comment"># . . call</span> +<span id="L36" class="LineNr"> 36 </span> e8/call <a href='067write-buffered.subx.html#L16'>write-buffered</a>/disp32 +<span id="L37" class="LineNr"> 37 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L38" class="LineNr"> 38 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L39" class="LineNr"> 39 </span> <span class="subxComment"># write-buffered(out, msg)</span> +<span id="L40" class="LineNr"> 40 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L41" class="LineNr"> 41 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L42" class="LineNr"> 42 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L43" class="LineNr"> 43 </span> <span class="subxS2Comment"># . . call</span> +<span id="L44" class="LineNr"> 44 </span> e8/call <a href='067write-buffered.subx.html#L16'>write-buffered</a>/disp32 +<span id="L45" class="LineNr"> 45 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L46" class="LineNr"> 46 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># write-buffered(out, ": ")</span> +<span id="L48" class="LineNr"> 48 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L49" class="LineNr"> 49 </span> 68/push <span class="Constant">": "</span>/imm32 +<span id="L50" class="LineNr"> 50 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L51" class="LineNr"> 51 </span> <span class="subxS2Comment"># . . call</span> +<span id="L52" class="LineNr"> 52 </span> e8/call <a href='067write-buffered.subx.html#L16'>write-buffered</a>/disp32 +<span id="L53" class="LineNr"> 53 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L54" class="LineNr"> 54 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># print-byte(out, byte)</span> +<span id="L56" class="LineNr"> 56 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L57" class="LineNr"> 57 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> +<span id="L58" class="LineNr"> 58 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L59" class="LineNr"> 59 </span> <span class="subxS2Comment"># . . call</span> +<span id="L60" class="LineNr"> 60 </span> e8/call <a href='066print-byte.subx.html#L8'>print-byte</a>/disp32 +<span id="L61" class="LineNr"> 61 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L62" class="LineNr"> 62 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># write-buffered(out, Newline)</span> +<span id="L64" class="LineNr"> 64 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L65" class="LineNr"> 65 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L66" class="LineNr"> 66 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L67" class="LineNr"> 67 </span> <span class="subxS2Comment"># . . call</span> +<span id="L68" class="LineNr"> 68 </span> e8/call <a href='067write-buffered.subx.html#L16'>write-buffered</a>/disp32 +<span id="L69" class="LineNr"> 69 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L70" class="LineNr"> 70 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L71" class="LineNr"> 71 </span> <span class="subxS1Comment"># . flush(out)</span> +<span id="L72" class="LineNr"> 72 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L73" class="LineNr"> 73 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L74" class="LineNr"> 74 </span> <span class="subxS2Comment"># . . call</span> +<span id="L75" class="LineNr"> 75 </span> e8/call <a href='064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L76" class="LineNr"> 76 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L77" class="LineNr"> 77 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># stop(ed, 1)</span> +<span id="L79" class="LineNr"> 79 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L80" class="LineNr"> 80 </span> 68/push 1/imm32 +<span id="L81" class="LineNr"> 81 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . call</span> +<span id="L83" class="LineNr"> 83 </span> e8/call <a href='059stop.subx.html#L98'>stop</a>/disp32 +<span id="L84" class="LineNr"> 84 </span> <span class="subxComment"># should never get past this point</span> +<span id="L85" class="LineNr"> 85 </span><span class="Constant">$error-byte:dead-end</span>: +<span id="L86" class="LineNr"> 86 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L87" class="LineNr"> 87 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L88" class="LineNr"> 88 </span> 5d/pop-to-EBP +<span id="L89" class="LineNr"> 89 </span> c3/return +<span id="L90" class="LineNr"> 90 </span> +<span id="L91" class="LineNr"> 91 </span>== data +<span id="L92" class="LineNr"> 92 </span> +<span id="L93" class="LineNr"> 93 </span><span class="subxComment"># The buffered file for standard error.</span> +<span id="L94" class="LineNr"> 94 </span><span class="SpecialChar">Stderr</span>: +<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># file descriptor or (address stream)</span> +<span id="L96" class="LineNr"> 96 </span> 2/imm32 <span class="subxComment"># standard error</span> +<span id="L97" class="LineNr"> 97 </span> <span class="subxComment"># current write index</span> +<span id="L98" class="LineNr"> 98 </span> 0/imm32 +<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># current read index</span> +<span id="L100" class="LineNr">100 </span> 0/imm32 +<span id="L101" class="LineNr">101 </span> <span class="subxComment"># length</span> +<span id="L102" class="LineNr">102 </span> 8/imm32 +<span id="L103" class="LineNr">103 </span> <span class="subxComment"># data</span> +<span id="L104" class="LineNr">104 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> +<span id="L105" class="LineNr">105 </span> +<span id="L106" class="LineNr">106 </span><span class="subxComment"># TODO: 8 bytes is too small. We'll need to grow the buffer for efficiency. But</span> +<span id="L107" class="LineNr">107 </span><span class="subxComment"># I don't want to type in 1024 bytes here.</span> <span id="L108" class="LineNr">108 </span> -<span id="L109" class="LineNr">109 </span><span class="subxComment"># TODO: 8 bytes is too small. We'll need to grow the buffer for efficiency. But</span> -<span id="L110" class="LineNr">110 </span><span class="subxComment"># I don't want to type in 1024 bytes here.</span> -<span id="L111" class="LineNr">111 </span> -<span id="L112" class="LineNr">112 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L109" class="LineNr">109 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/069allocate.subx.html b/html/subx/069allocate.subx.html index 0ecbabfc..21f6118e 100644 --- a/html/subx/069allocate.subx.html +++ b/html/subx/069allocate.subx.html @@ -82,189 +82,182 @@ if ('onhashchange' in window) { <span id="L22" class="LineNr"> 22 </span><span class="subxComment"># hitherto unused bit of memory.</span> <span id="L23" class="LineNr"> 23 </span><span class="SpecialChar">Heap</span>: <span id="L24" class="LineNr"> 24 </span> <span class="SpecialChar">Start-of-heap</span>/imm32 <span class="subxComment"># curr</span> -<span id="L25" class="LineNr"> 25 </span> 00 00 00 0b <span class="subxComment"># limit = 0x0b000000; keep sync'd with DATA_SEGMENT + SEGMENT_ALIGNMENT</span> +<span id="L25" class="LineNr"> 25 </span> 0x0b000000/imm32 <span class="subxComment"># limit; keep sync'd with DATA_SEGMENT + SEGMENT_ALIGNMENT</span> <span id="L26" class="LineNr"> 26 </span> <span id="L27" class="LineNr"> 27 </span>== code <span id="L28" class="LineNr"> 28 </span><span class="subxComment"># instruction effective address register displacement immediate</span> <span id="L29" class="LineNr"> 29 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L30" class="LineNr"> 30 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L31" class="LineNr"> 31 </span> -<span id="L32" class="LineNr"> 32 </span><span class="subxComment"># main:</span> -<span id="L33" class="LineNr"> 33 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L35" class="LineNr"> 35 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L36" class="LineNr"> 36 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L37" class="LineNr"> 37 </span> cd/syscall 0x80/imm8 -<span id="L38" class="LineNr"> 38 </span> -<span id="L39" class="LineNr"> 39 </span><span class="subxComment"># Claim the next 'n' bytes of memory starting at ad->curr and update ad->curr.</span> -<span id="L40" class="LineNr"> 40 </span><span class="subxComment"># If there isn't enough memory before ad->limit, return 0 and leave 'ad' unmodified.</span> -<span id="L41" class="LineNr"> 41 </span><span class="subxFunction">allocate</span>: <span class="subxComment"># ad : (address allocation-descriptor), n : int -> address-or-null/EAX</span> -<span id="L42" class="LineNr"> 42 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L43" class="LineNr"> 43 </span> 55/push-EBP -<span id="L44" class="LineNr"> 44 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L45" class="LineNr"> 45 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L46" class="LineNr"> 46 </span> 51/push-ECX -<span id="L47" class="LineNr"> 47 </span> 52/push-EDX -<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># ECX = ad</span> -<span id="L49" class="LineNr"> 49 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> -<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># save ad->curr</span> -<span id="L51" class="LineNr"> 51 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EAX</span> -<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># check if there's enough space</span> -<span id="L53" class="LineNr"> 53 </span> <span class="subxS1Comment"># . EDX = ad->curr + n</span> -<span id="L54" class="LineNr"> 54 </span> 89/copy 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to EDX</span> -<span id="L55" class="LineNr"> 55 </span> 03/add 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># add *(EBP+12) to EDX</span> -<span id="L56" class="LineNr"> 56 </span> 3b/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare EDX with *(ECX+4)</span> -<span id="L57" class="LineNr"> 57 </span> 7c/jump-if-lesser $allocate:commit/disp8 -<span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># return null if not</span> -<span id="L59" class="LineNr"> 59 </span> b8/copy-to-EAX 0/imm32 -<span id="L60" class="LineNr"> 60 </span> eb/jump $allocate:end/disp8 -<span id="L61" class="LineNr"> 61 </span><span class="Constant">$allocate:commit</span>: -<span id="L62" class="LineNr"> 62 </span> <span class="subxComment"># update ad->curr</span> -<span id="L63" class="LineNr"> 63 </span> 89/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EDX to *ECX</span> -<span id="L64" class="LineNr"> 64 </span><span class="Constant">$allocate:end</span>: -<span id="L65" class="LineNr"> 65 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L66" class="LineNr"> 66 </span> 5a/pop-to-EDX -<span id="L67" class="LineNr"> 67 </span> 59/pop-to-ECX -<span id="L68" class="LineNr"> 68 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L69" class="LineNr"> 69 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L70" class="LineNr"> 70 </span> 5d/pop-to-EBP -<span id="L71" class="LineNr"> 71 </span> c3/return -<span id="L72" class="LineNr"> 72 </span> -<span id="L73" class="LineNr"> 73 </span><span class="subxTest">test-allocate-success</span>: -<span id="L74" class="LineNr"> 74 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L75" class="LineNr"> 75 </span> 55/push-EBP -<span id="L76" class="LineNr"> 76 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># var ad/ECX : (address allocation-descriptor) = {11, 15}</span> -<span id="L78" class="LineNr"> 78 </span> 68/push 0xf/imm32/limit -<span id="L79" class="LineNr"> 79 </span> 68/push 0xb/imm32/curr -<span id="L80" class="LineNr"> 80 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L81" class="LineNr"> 81 </span> <span class="subxComment"># EAX = allocate(ad, 3)</span> -<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L83" class="LineNr"> 83 </span> 68/push 3/imm32 -<span id="L84" class="LineNr"> 84 </span> 51/push-ECX -<span id="L85" class="LineNr"> 85 </span> <span class="subxS2Comment"># . . call</span> -<span id="L86" class="LineNr"> 86 </span> e8/call <a href='069allocate.subx.html#L41'>allocate</a>/disp32 -<span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L88" class="LineNr"> 88 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L89" class="LineNr"> 89 </span> <span class="subxComment"># check-ints-equal(EAX, 11, msg)</span> -<span id="L90" class="LineNr"> 90 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L91" class="LineNr"> 91 </span> 68/push <span class="Constant">"F - <a href='069allocate.subx.html#L73'>test-allocate-success</a>: returns current pointer of allocation descriptor"</span>/imm32 -<span id="L92" class="LineNr"> 92 </span> 68/push 0xb/imm32 -<span id="L93" class="LineNr"> 93 </span> 50/push-EAX -<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . call</span> -<span id="L95" class="LineNr"> 95 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L96" class="LineNr"> 96 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L97" class="LineNr"> 97 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L98" class="LineNr"> 98 </span> <span class="subxComment"># check-ints-equal(ad->curr, 14, msg)</span> -<span id="L99" class="LineNr"> 99 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L100" class="LineNr">100 </span> 68/push <span class="Constant">"F - <a href='069allocate.subx.html#L73'>test-allocate-success</a>: updates allocation descriptor"</span>/imm32 -<span id="L101" class="LineNr">101 </span> 68/push 0xe/imm32 -<span id="L102" class="LineNr">102 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ECX</span> -<span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . call</span> -<span id="L104" class="LineNr">104 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L106" class="LineNr">106 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L107" class="LineNr">107 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L108" class="LineNr">108 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L109" class="LineNr">109 </span> 5d/pop-to-EBP -<span id="L110" class="LineNr">110 </span> c3/return -<span id="L111" class="LineNr">111 </span> -<span id="L112" class="LineNr">112 </span><span class="subxTest">test-allocate-failure</span>: -<span id="L113" class="LineNr">113 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L114" class="LineNr">114 </span> 55/push-EBP -<span id="L115" class="LineNr">115 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L116" class="LineNr">116 </span> <span class="subxComment"># var ad/ECX : (address allocation-descriptor) = {11, 15}</span> -<span id="L117" class="LineNr">117 </span> 68/push 0xf/imm32/limit -<span id="L118" class="LineNr">118 </span> 68/push 0xb/imm32/curr -<span id="L119" class="LineNr">119 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L120" class="LineNr">120 </span> <span class="subxComment"># EAX = allocate(ad, 6)</span> -<span id="L121" class="LineNr">121 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L122" class="LineNr">122 </span> 68/push 6/imm32 -<span id="L123" class="LineNr">123 </span> 51/push-ECX -<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . call</span> -<span id="L125" class="LineNr">125 </span> e8/call <a href='069allocate.subx.html#L41'>allocate</a>/disp32 -<span id="L126" class="LineNr">126 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L127" class="LineNr">127 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L128" class="LineNr">128 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L129" class="LineNr">129 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L130" class="LineNr">130 </span> 68/push <span class="Constant">"F - <a href='069allocate.subx.html#L112'>test-allocate-failure</a>: returns null"</span>/imm32 -<span id="L131" class="LineNr">131 </span> 68/push 0/imm32 -<span id="L132" class="LineNr">132 </span> 50/push-EAX -<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . call</span> -<span id="L134" class="LineNr">134 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L135" class="LineNr">135 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L136" class="LineNr">136 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L137" class="LineNr">137 </span> <span class="subxComment"># no change to ad->curr</span> -<span id="L138" class="LineNr">138 </span> <span class="subxS1Comment"># . check-ints-equal(ad->curr, 11)</span> -<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L140" class="LineNr">140 </span> 68/push <span class="Constant">"F - <a href='069allocate.subx.html#L112'>test-allocate-failure</a>: updates allocation descriptor"</span>/imm32 -<span id="L141" class="LineNr">141 </span> 68/push 0xb/imm32 -<span id="L142" class="LineNr">142 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ECX</span> -<span id="L143" class="LineNr">143 </span> <span class="subxS2Comment"># . . call</span> -<span id="L144" class="LineNr">144 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L145" class="LineNr">145 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L146" class="LineNr">146 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L147" class="LineNr">147 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L148" class="LineNr">148 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L149" class="LineNr">149 </span> 5d/pop-to-EBP -<span id="L150" class="LineNr">150 </span> c3/return -<span id="L151" class="LineNr">151 </span> -<span id="L152" class="LineNr">152 </span><span class="subxComment"># helper: create a nested allocation descriptor (useful for tests)</span> -<span id="L153" class="LineNr">153 </span><span class="subxFunction">allocate-region</span>: <span class="subxComment"># ad : (address allocation-descriptor), n : int -> new-ad : (address allocation-descriptor)</span> -<span id="L154" class="LineNr">154 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L155" class="LineNr">155 </span> 55/push-EBP -<span id="L156" class="LineNr">156 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L157" class="LineNr">157 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L158" class="LineNr">158 </span> 51/push-ECX -<span id="L159" class="LineNr">159 </span> <span class="subxComment"># EAX = allocate(ad, n)</span> -<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L161" class="LineNr">161 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L162" class="LineNr">162 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L163" class="LineNr">163 </span> <span class="subxS2Comment"># . . call</span> -<span id="L164" class="LineNr">164 </span> e8/call <a href='069allocate.subx.html#L41'>allocate</a>/disp32 -<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L166" class="LineNr">166 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L167" class="LineNr">167 </span> <span class="subxComment"># if (EAX == 0) abort</span> -<span id="L168" class="LineNr">168 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> -<span id="L169" class="LineNr">169 </span> 74/jump-if-equal $allocate-region:abort/disp8 -<span id="L170" class="LineNr">170 </span> <span class="subxComment"># earmark 8 bytes at the start for a new allocation descriptor</span> -<span id="L171" class="LineNr">171 </span> <span class="subxS1Comment"># . *EAX = EAX + 8</span> -<span id="L172" class="LineNr">172 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to ECX</span> -<span id="L173" class="LineNr">173 </span> 81 0/subop/add 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ECX</span> -<span id="L174" class="LineNr">174 </span> 89/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *EAX</span> -<span id="L175" class="LineNr">175 </span> <span class="subxS1Comment"># . *(EAX+4) = EAX + n</span> -<span id="L176" class="LineNr">176 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to ECX</span> -<span id="L177" class="LineNr">177 </span> 03/add 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># add *(EBP+12) to ECX</span> -<span id="L178" class="LineNr">178 </span> 89/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(EAX+4)</span> -<span id="L179" class="LineNr">179 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L180" class="LineNr">180 </span> 59/pop-to-ECX -<span id="L181" class="LineNr">181 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L182" class="LineNr">182 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L183" class="LineNr">183 </span> 5d/pop-to-EBP -<span id="L184" class="LineNr">184 </span> c3/return -<span id="L185" class="LineNr">185 </span> -<span id="L186" class="LineNr">186 </span><span class="subxComment"># We could create a more general '$abort' jump target, but then we'd need to do</span> -<span id="L187" class="LineNr">187 </span><span class="subxComment"># a conditional jump followed by loading the error message and an unconditional</span> -<span id="L188" class="LineNr">188 </span><span class="subxComment"># jump. Or we'd need to unconditionally load the error message before a</span> -<span id="L189" class="LineNr">189 </span><span class="subxComment"># conditional jump, even if it's unused the vast majority of the time. This way</span> -<span id="L190" class="LineNr">190 </span><span class="subxComment"># we bloat a potentially cold segment in RAM so we can abort with a single</span> -<span id="L191" class="LineNr">191 </span><span class="subxComment"># instruction.</span> -<span id="L192" class="LineNr">192 </span><span class="Constant">$allocate-region:abort</span>: -<span id="L193" class="LineNr">193 </span> <span class="subxS1Comment"># . _write(2/stderr, error)</span> -<span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L195" class="LineNr">195 </span> 68/push <span class="Constant">"allocate-region: failed to allocate"</span>/imm32 -<span id="L196" class="LineNr">196 </span> 68/push 2/imm32/stderr -<span id="L197" class="LineNr">197 </span> <span class="subxS2Comment"># . . call</span> -<span id="L198" class="LineNr">198 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 -<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L200" class="LineNr">200 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L201" class="LineNr">201 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span> -<span id="L202" class="LineNr">202 </span> bb/copy-to-EBX 1/imm32 -<span id="L203" class="LineNr">203 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L204" class="LineNr">204 </span> cd/syscall 0x80/imm8 -<span id="L205" class="LineNr">205 </span> <span class="subxComment"># never gets here</span> -<span id="L206" class="LineNr">206 </span> -<span id="L207" class="LineNr">207 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L32" class="LineNr"> 32 </span><span class="subxComment"># Claim the next 'n' bytes of memory starting at ad->curr and update ad->curr.</span> +<span id="L33" class="LineNr"> 33 </span><span class="subxComment"># If there isn't enough memory before ad->limit, return 0 and leave 'ad' unmodified.</span> +<span id="L34" class="LineNr"> 34 </span><span class="subxFunction">allocate</span>: <span class="subxComment"># ad : (address allocation-descriptor), n : int -> address-or-null/EAX</span> +<span id="L35" class="LineNr"> 35 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L36" class="LineNr"> 36 </span> 55/push-EBP +<span id="L37" class="LineNr"> 37 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L38" class="LineNr"> 38 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L39" class="LineNr"> 39 </span> 51/push-ECX +<span id="L40" class="LineNr"> 40 </span> 52/push-EDX +<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># ECX = ad</span> +<span id="L42" class="LineNr"> 42 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> +<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># save ad->curr</span> +<span id="L44" class="LineNr"> 44 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EAX</span> +<span id="L45" class="LineNr"> 45 </span> <span class="subxComment"># check if there's enough space</span> +<span id="L46" class="LineNr"> 46 </span> <span class="subxS1Comment"># . EDX = ad->curr + n</span> +<span id="L47" class="LineNr"> 47 </span> 89/copy 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to EDX</span> +<span id="L48" class="LineNr"> 48 </span> 03/add 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># add *(EBP+12) to EDX</span> +<span id="L49" class="LineNr"> 49 </span> 3b/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare EDX with *(ECX+4)</span> +<span id="L50" class="LineNr"> 50 </span> 7c/jump-if-lesser $allocate:commit/disp8 +<span id="L51" class="LineNr"> 51 </span> <span class="subxComment"># return null if not</span> +<span id="L52" class="LineNr"> 52 </span> b8/copy-to-EAX 0/imm32 +<span id="L53" class="LineNr"> 53 </span> eb/jump $allocate:end/disp8 +<span id="L54" class="LineNr"> 54 </span><span class="Constant">$allocate:commit</span>: +<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># update ad->curr</span> +<span id="L56" class="LineNr"> 56 </span> 89/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EDX to *ECX</span> +<span id="L57" class="LineNr"> 57 </span><span class="Constant">$allocate:end</span>: +<span id="L58" class="LineNr"> 58 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L59" class="LineNr"> 59 </span> 5a/pop-to-EDX +<span id="L60" class="LineNr"> 60 </span> 59/pop-to-ECX +<span id="L61" class="LineNr"> 61 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L62" class="LineNr"> 62 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L63" class="LineNr"> 63 </span> 5d/pop-to-EBP +<span id="L64" class="LineNr"> 64 </span> c3/return +<span id="L65" class="LineNr"> 65 </span> +<span id="L66" class="LineNr"> 66 </span><span class="subxTest">test-allocate-success</span>: +<span id="L67" class="LineNr"> 67 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L68" class="LineNr"> 68 </span> 55/push-EBP +<span id="L69" class="LineNr"> 69 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L70" class="LineNr"> 70 </span> <span class="subxComment"># var ad/ECX : (address allocation-descriptor) = {11, 15}</span> +<span id="L71" class="LineNr"> 71 </span> 68/push 0xf/imm32/limit +<span id="L72" class="LineNr"> 72 </span> 68/push 0xb/imm32/curr +<span id="L73" class="LineNr"> 73 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># EAX = allocate(ad, 3)</span> +<span id="L75" class="LineNr"> 75 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L76" class="LineNr"> 76 </span> 68/push 3/imm32 +<span id="L77" class="LineNr"> 77 </span> 51/push-ECX +<span id="L78" class="LineNr"> 78 </span> <span class="subxS2Comment"># . . call</span> +<span id="L79" class="LineNr"> 79 </span> e8/call <a href='069allocate.subx.html#L34'>allocate</a>/disp32 +<span id="L80" class="LineNr"> 80 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L81" class="LineNr"> 81 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L82" class="LineNr"> 82 </span> <span class="subxComment"># check-ints-equal(EAX, 11, msg)</span> +<span id="L83" class="LineNr"> 83 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L84" class="LineNr"> 84 </span> 68/push <span class="Constant">"F - <a href='069allocate.subx.html#L66'>test-allocate-success</a>: returns current pointer of allocation descriptor"</span>/imm32 +<span id="L85" class="LineNr"> 85 </span> 68/push 0xb/imm32 +<span id="L86" class="LineNr"> 86 </span> 50/push-EAX +<span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . call</span> +<span id="L88" class="LineNr"> 88 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L89" class="LineNr"> 89 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L90" class="LineNr"> 90 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># check-ints-equal(ad->curr, 14, msg)</span> +<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L93" class="LineNr"> 93 </span> 68/push <span class="Constant">"F - <a href='069allocate.subx.html#L66'>test-allocate-success</a>: updates allocation descriptor"</span>/imm32 +<span id="L94" class="LineNr"> 94 </span> 68/push 0xe/imm32 +<span id="L95" class="LineNr"> 95 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ECX</span> +<span id="L96" class="LineNr"> 96 </span> <span class="subxS2Comment"># . . call</span> +<span id="L97" class="LineNr"> 97 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L99" class="LineNr"> 99 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L100" class="LineNr">100 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L101" class="LineNr">101 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L102" class="LineNr">102 </span> 5d/pop-to-EBP +<span id="L103" class="LineNr">103 </span> c3/return +<span id="L104" class="LineNr">104 </span> +<span id="L105" class="LineNr">105 </span><span class="subxTest">test-allocate-failure</span>: +<span id="L106" class="LineNr">106 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L107" class="LineNr">107 </span> 55/push-EBP +<span id="L108" class="LineNr">108 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L109" class="LineNr">109 </span> <span class="subxComment"># var ad/ECX : (address allocation-descriptor) = {11, 15}</span> +<span id="L110" class="LineNr">110 </span> 68/push 0xf/imm32/limit +<span id="L111" class="LineNr">111 </span> 68/push 0xb/imm32/curr +<span id="L112" class="LineNr">112 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L113" class="LineNr">113 </span> <span class="subxComment"># EAX = allocate(ad, 6)</span> +<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L115" class="LineNr">115 </span> 68/push 6/imm32 +<span id="L116" class="LineNr">116 </span> 51/push-ECX +<span id="L117" class="LineNr">117 </span> <span class="subxS2Comment"># . . call</span> +<span id="L118" class="LineNr">118 </span> e8/call <a href='069allocate.subx.html#L34'>allocate</a>/disp32 +<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L120" class="LineNr">120 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L121" class="LineNr">121 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L122" class="LineNr">122 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L123" class="LineNr">123 </span> 68/push <span class="Constant">"F - <a href='069allocate.subx.html#L105'>test-allocate-failure</a>: returns null"</span>/imm32 +<span id="L124" class="LineNr">124 </span> 68/push 0/imm32 +<span id="L125" class="LineNr">125 </span> 50/push-EAX +<span id="L126" class="LineNr">126 </span> <span class="subxS2Comment"># . . call</span> +<span id="L127" class="LineNr">127 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L129" class="LineNr">129 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L130" class="LineNr">130 </span> <span class="subxComment"># no change to ad->curr</span> +<span id="L131" class="LineNr">131 </span> <span class="subxS1Comment"># . check-ints-equal(ad->curr, 11)</span> +<span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L133" class="LineNr">133 </span> 68/push <span class="Constant">"F - <a href='069allocate.subx.html#L105'>test-allocate-failure</a>: updates allocation descriptor"</span>/imm32 +<span id="L134" class="LineNr">134 </span> 68/push 0xb/imm32 +<span id="L135" class="LineNr">135 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ECX</span> +<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . call</span> +<span id="L137" class="LineNr">137 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L139" class="LineNr">139 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L140" class="LineNr">140 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L141" class="LineNr">141 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L142" class="LineNr">142 </span> 5d/pop-to-EBP +<span id="L143" class="LineNr">143 </span> c3/return +<span id="L144" class="LineNr">144 </span> +<span id="L145" class="LineNr">145 </span><span class="subxComment"># helper: create a nested allocation descriptor (useful for tests)</span> +<span id="L146" class="LineNr">146 </span><span class="subxFunction">allocate-region</span>: <span class="subxComment"># ad : (address allocation-descriptor), n : int -> new-ad : (address allocation-descriptor)</span> +<span id="L147" class="LineNr">147 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L148" class="LineNr">148 </span> 55/push-EBP +<span id="L149" class="LineNr">149 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L150" class="LineNr">150 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L151" class="LineNr">151 </span> 51/push-ECX +<span id="L152" class="LineNr">152 </span> <span class="subxComment"># EAX = allocate(ad, n)</span> +<span id="L153" class="LineNr">153 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L154" class="LineNr">154 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L155" class="LineNr">155 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . call</span> +<span id="L157" class="LineNr">157 </span> e8/call <a href='069allocate.subx.html#L34'>allocate</a>/disp32 +<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L159" class="LineNr">159 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L160" class="LineNr">160 </span> <span class="subxComment"># if (EAX == 0) abort</span> +<span id="L161" class="LineNr">161 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> +<span id="L162" class="LineNr">162 </span> 74/jump-if-equal $allocate-region:abort/disp8 +<span id="L163" class="LineNr">163 </span> <span class="subxComment"># earmark 8 bytes at the start for a new allocation descriptor</span> +<span id="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . *EAX = EAX + 8</span> +<span id="L165" class="LineNr">165 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to ECX</span> +<span id="L166" class="LineNr">166 </span> 81 0/subop/add 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ECX</span> +<span id="L167" class="LineNr">167 </span> 89/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *EAX</span> +<span id="L168" class="LineNr">168 </span> <span class="subxS1Comment"># . *(EAX+4) = EAX + n</span> +<span id="L169" class="LineNr">169 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to ECX</span> +<span id="L170" class="LineNr">170 </span> 03/add 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># add *(EBP+12) to ECX</span> +<span id="L171" class="LineNr">171 </span> 89/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(EAX+4)</span> +<span id="L172" class="LineNr">172 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L173" class="LineNr">173 </span> 59/pop-to-ECX +<span id="L174" class="LineNr">174 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L175" class="LineNr">175 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L176" class="LineNr">176 </span> 5d/pop-to-EBP +<span id="L177" class="LineNr">177 </span> c3/return +<span id="L178" class="LineNr">178 </span> +<span id="L179" class="LineNr">179 </span><span class="subxComment"># We could create a more general '$abort' jump target, but then we'd need to do</span> +<span id="L180" class="LineNr">180 </span><span class="subxComment"># a conditional jump followed by loading the error message and an unconditional</span> +<span id="L181" class="LineNr">181 </span><span class="subxComment"># jump. Or we'd need to unconditionally load the error message before a</span> +<span id="L182" class="LineNr">182 </span><span class="subxComment"># conditional jump, even if it's unused the vast majority of the time. This way</span> +<span id="L183" class="LineNr">183 </span><span class="subxComment"># we bloat a potentially cold segment in RAM so we can abort with a single</span> +<span id="L184" class="LineNr">184 </span><span class="subxComment"># instruction.</span> +<span id="L185" class="LineNr">185 </span><span class="Constant">$allocate-region:abort</span>: +<span id="L186" class="LineNr">186 </span> <span class="subxS1Comment"># . _write(2/stderr, error)</span> +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L188" class="LineNr">188 </span> 68/push <span class="Constant">"allocate-region: failed to allocate"</span>/imm32 +<span id="L189" class="LineNr">189 </span> 68/push 2/imm32/stderr +<span id="L190" class="LineNr">190 </span> <span class="subxS2Comment"># . . call</span> +<span id="L191" class="LineNr">191 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 +<span id="L192" class="LineNr">192 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L193" class="LineNr">193 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L194" class="LineNr">194 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span> +<span id="L195" class="LineNr">195 </span> bb/copy-to-EBX 1/imm32 +<span id="L196" class="LineNr">196 </span> b8/copy-to-EAX 1/imm32/exit +<span id="L197" class="LineNr">197 </span> cd/syscall 0x80/imm8 +<span id="L198" class="LineNr">198 </span> <span class="subxComment"># never gets here</span> +<span id="L199" class="LineNr">199 </span> +<span id="L200" class="LineNr">200 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/070new-stream.subx.html b/html/subx/070new-stream.subx.html index a43e7da2..08fa6b92 100644 --- a/html/subx/070new-stream.subx.html +++ b/html/subx/070new-stream.subx.html @@ -65,123 +65,116 @@ if ('onhashchange' in window) { <span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L7" class="LineNr"> 7 </span> -<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># main:</span> -<span id="L9" class="LineNr"> 9 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L10" class="LineNr"> 10 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L11" class="LineNr"> 11 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L12" class="LineNr"> 12 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L13" class="LineNr"> 13 </span> cd/syscall 0x80/imm8 -<span id="L14" class="LineNr"> 14 </span> -<span id="L15" class="LineNr"> 15 </span><span class="subxFunction">new-stream</span>: <span class="subxComment"># ad : (address allocation-descriptor), length : int, elemsize : int -> address/EAX</span> -<span id="L16" class="LineNr"> 16 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L17" class="LineNr"> 17 </span> 55/push-EBP -<span id="L18" class="LineNr"> 18 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L19" class="LineNr"> 19 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L20" class="LineNr"> 20 </span> 52/push-EDX -<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># n = elemsize * length + 12 (for read, write and length)</span> -<span id="L22" class="LineNr"> 22 </span> <span class="subxS1Comment"># . EAX = elemsize</span> -<span id="L23" class="LineNr"> 23 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EAX</span> -<span id="L24" class="LineNr"> 24 </span> <span class="subxS1Comment"># . EAX *= length</span> -<span id="L25" class="LineNr"> 25 </span> 31/xor 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EDX</span> -<span id="L26" class="LineNr"> 26 </span> f7 4/subop/multiply 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># multiply *(EBP+12) into EAX</span> -<span id="L27" class="LineNr"> 27 </span> <span class="subxS1Comment"># . if overflow abort</span> -<span id="L28" class="LineNr"> 28 </span> 81 7/subop/compare 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EDX</span> -<span id="L29" class="LineNr"> 29 </span> 75/jump-if-not-equal $new-stream:abort/disp8 -<span id="L30" class="LineNr"> 30 </span> <span class="subxS1Comment"># . EDX = elemsize*length</span> -<span id="L31" class="LineNr"> 31 </span> 89/copy 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to EDX</span> -<span id="L32" class="LineNr"> 32 </span> <span class="subxS1Comment"># . EAX += 12</span> -<span id="L33" class="LineNr"> 33 </span> 05/add-to-EAX 0xc/imm32 -<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># allocate(ad, n)</span> -<span id="L35" class="LineNr"> 35 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L36" class="LineNr"> 36 </span> 50/push-EAX -<span id="L37" class="LineNr"> 37 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L38" class="LineNr"> 38 </span> <span class="subxS2Comment"># . . call</span> -<span id="L39" class="LineNr"> 39 </span> e8/call <a href='069allocate.subx.html#L41'>allocate</a>/disp32 -<span id="L40" class="LineNr"> 40 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L41" class="LineNr"> 41 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L42" class="LineNr"> 42 </span> <span class="subxComment"># EAX->length = elemsize*length</span> -<span id="L43" class="LineNr"> 43 </span> 89/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDX to *(EAX+8)</span> -<span id="L44" class="LineNr"> 44 </span> <span class="subxComment"># clear-stream(EAX)</span> -<span id="L45" class="LineNr"> 45 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L46" class="LineNr"> 46 </span> 50/push-EAX -<span id="L47" class="LineNr"> 47 </span> <span class="subxS2Comment"># . . call</span> -<span id="L48" class="LineNr"> 48 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L49" class="LineNr"> 49 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L50" class="LineNr"> 50 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L51" class="LineNr"> 51 </span><span class="Constant">$new-stream:end</span>: -<span id="L52" class="LineNr"> 52 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L53" class="LineNr"> 53 </span> 5a/pop-to-EDX -<span id="L54" class="LineNr"> 54 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L55" class="LineNr"> 55 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L56" class="LineNr"> 56 </span> 5d/pop-to-EBP -<span id="L57" class="LineNr"> 57 </span> c3/return -<span id="L58" class="LineNr"> 58 </span> -<span id="L59" class="LineNr"> 59 </span><span class="Constant">$new-stream:abort</span>: -<span id="L60" class="LineNr"> 60 </span> <span class="subxS1Comment"># . _write(2/stderr, error)</span> -<span id="L61" class="LineNr"> 61 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L62" class="LineNr"> 62 </span> 68/push <span class="Constant">"new-stream: size too large"</span>/imm32 -<span id="L63" class="LineNr"> 63 </span> 68/push 2/imm32/stderr -<span id="L64" class="LineNr"> 64 </span> <span class="subxS2Comment"># . . call</span> -<span id="L65" class="LineNr"> 65 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 -<span id="L66" class="LineNr"> 66 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L67" class="LineNr"> 67 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L68" class="LineNr"> 68 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span> -<span id="L69" class="LineNr"> 69 </span> bb/copy-to-EBX 1/imm32 -<span id="L70" class="LineNr"> 70 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L71" class="LineNr"> 71 </span> cd/syscall 0x80/imm8 -<span id="L72" class="LineNr"> 72 </span> <span class="subxComment"># never gets here</span> -<span id="L73" class="LineNr"> 73 </span> -<span id="L74" class="LineNr"> 74 </span><span class="subxTest">test-new-stream</span>: -<span id="L75" class="LineNr"> 75 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L76" class="LineNr"> 76 </span> 55/push-EBP -<span id="L77" class="LineNr"> 77 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># var ad/ECX : (address allocation-descriptor) = allocate-region(Heap, 512)</span> -<span id="L79" class="LineNr"> 79 </span> <span class="subxS1Comment"># . EAX = allocate-region(Heap, 512)</span> -<span id="L80" class="LineNr"> 80 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L81" class="LineNr"> 81 </span> 68/push 0x200/imm32 -<span id="L82" class="LineNr"> 82 </span> 68/push <span class="SpecialChar"><a href='069allocate.subx.html#L23'>Heap</a></span>/imm32 -<span id="L83" class="LineNr"> 83 </span> <span class="subxS2Comment"># . . call</span> -<span id="L84" class="LineNr"> 84 </span> e8/call <a href='069allocate.subx.html#L153'>allocate-region</a>/disp32 -<span id="L85" class="LineNr"> 85 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L86" class="LineNr"> 86 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L87" class="LineNr"> 87 </span> <span class="subxS1Comment"># . ECX = EAX</span> -<span id="L88" class="LineNr"> 88 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to ECX</span> -<span id="L89" class="LineNr"> 89 </span> <span class="subxComment"># var start/EDX = ad->curr</span> -<span id="L90" class="LineNr"> 90 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EDX</span> -<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># EAX = new-stream(ad, 3, 2)</span> -<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L93" class="LineNr"> 93 </span> 68/push 2/imm32 -<span id="L94" class="LineNr"> 94 </span> 68/push 3/imm32 -<span id="L95" class="LineNr"> 95 </span> 51/push-ECX -<span id="L96" class="LineNr"> 96 </span> <span class="subxS2Comment"># . . call</span> -<span id="L97" class="LineNr"> 97 </span> e8/call <a href='070new-stream.subx.html#L15'>new-stream</a>/disp32 -<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L99" class="LineNr"> 99 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L100" class="LineNr">100 </span> <span class="subxComment"># check-ints-equal(EAX, EDX, msg)</span> -<span id="L101" class="LineNr">101 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L102" class="LineNr">102 </span> 68/push <span class="Constant">"F - <a href='070new-stream.subx.html#L74'>test-new-stream</a>: returns current pointer of allocation descriptor"</span>/imm32 -<span id="L103" class="LineNr">103 </span> 52/push-EDX -<span id="L104" class="LineNr">104 </span> 50/push-EAX -<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . call</span> -<span id="L106" class="LineNr">106 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L108" class="LineNr">108 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L109" class="LineNr">109 </span> <span class="subxComment"># check-ints-equal(EAX->length, 6, msg)</span> -<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L111" class="LineNr">111 </span> 68/push <span class="Constant">"F - <a href='070new-stream.subx.html#L74'>test-new-stream</a>: sets length correctly"</span>/imm32 -<span id="L112" class="LineNr">112 </span> 68/push 6/imm32 -<span id="L113" class="LineNr">113 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="subxComment"># push *(EAX+8)</span> -<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . call</span> -<span id="L115" class="LineNr">115 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L116" class="LineNr">116 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L117" class="LineNr">117 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L118" class="LineNr">118 </span> <span class="subxComment"># the rest is delegated to clear-stream() so we won't bother checking it</span> -<span id="L119" class="LineNr">119 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L120" class="LineNr">120 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L121" class="LineNr">121 </span> 5d/pop-to-EBP -<span id="L122" class="LineNr">122 </span> c3/return -<span id="L123" class="LineNr">123 </span> -<span id="L124" class="LineNr">124 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxFunction">new-stream</span>: <span class="subxComment"># ad : (address allocation-descriptor), length : int, elemsize : int -> address/EAX</span> +<span id="L9" class="LineNr"> 9 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L10" class="LineNr"> 10 </span> 55/push-EBP +<span id="L11" class="LineNr"> 11 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L12" class="LineNr"> 12 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L13" class="LineNr"> 13 </span> 52/push-EDX +<span id="L14" class="LineNr"> 14 </span> <span class="subxComment"># n = elemsize * length + 12 (for read, write and length)</span> +<span id="L15" class="LineNr"> 15 </span> <span class="subxS1Comment"># . EAX = elemsize</span> +<span id="L16" class="LineNr"> 16 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EAX</span> +<span id="L17" class="LineNr"> 17 </span> <span class="subxS1Comment"># . EAX *= length</span> +<span id="L18" class="LineNr"> 18 </span> 31/xor 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EDX</span> +<span id="L19" class="LineNr"> 19 </span> f7 4/subop/multiply 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># multiply *(EBP+12) into EAX</span> +<span id="L20" class="LineNr"> 20 </span> <span class="subxS1Comment"># . if overflow abort</span> +<span id="L21" class="LineNr"> 21 </span> 81 7/subop/compare 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EDX</span> +<span id="L22" class="LineNr"> 22 </span> 75/jump-if-not-equal $new-stream:abort/disp8 +<span id="L23" class="LineNr"> 23 </span> <span class="subxS1Comment"># . EDX = elemsize*length</span> +<span id="L24" class="LineNr"> 24 </span> 89/copy 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to EDX</span> +<span id="L25" class="LineNr"> 25 </span> <span class="subxS1Comment"># . EAX += 12</span> +<span id="L26" class="LineNr"> 26 </span> 05/add-to-EAX 0xc/imm32 +<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># allocate(ad, n)</span> +<span id="L28" class="LineNr"> 28 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L29" class="LineNr"> 29 </span> 50/push-EAX +<span id="L30" class="LineNr"> 30 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L31" class="LineNr"> 31 </span> <span class="subxS2Comment"># . . call</span> +<span id="L32" class="LineNr"> 32 </span> e8/call <a href='069allocate.subx.html#L34'>allocate</a>/disp32 +<span id="L33" class="LineNr"> 33 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L34" class="LineNr"> 34 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># EAX->length = elemsize*length</span> +<span id="L36" class="LineNr"> 36 </span> 89/copy 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDX to *(EAX+8)</span> +<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># clear-stream(EAX)</span> +<span id="L38" class="LineNr"> 38 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L39" class="LineNr"> 39 </span> 50/push-EAX +<span id="L40" class="LineNr"> 40 </span> <span class="subxS2Comment"># . . call</span> +<span id="L41" class="LineNr"> 41 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L42" class="LineNr"> 42 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L43" class="LineNr"> 43 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L44" class="LineNr"> 44 </span><span class="Constant">$new-stream:end</span>: +<span id="L45" class="LineNr"> 45 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L46" class="LineNr"> 46 </span> 5a/pop-to-EDX +<span id="L47" class="LineNr"> 47 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L48" class="LineNr"> 48 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L49" class="LineNr"> 49 </span> 5d/pop-to-EBP +<span id="L50" class="LineNr"> 50 </span> c3/return +<span id="L51" class="LineNr"> 51 </span> +<span id="L52" class="LineNr"> 52 </span><span class="Constant">$new-stream:abort</span>: +<span id="L53" class="LineNr"> 53 </span> <span class="subxS1Comment"># . _write(2/stderr, error)</span> +<span id="L54" class="LineNr"> 54 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L55" class="LineNr"> 55 </span> 68/push <span class="Constant">"new-stream: size too large"</span>/imm32 +<span id="L56" class="LineNr"> 56 </span> 68/push 2/imm32/stderr +<span id="L57" class="LineNr"> 57 </span> <span class="subxS2Comment"># . . call</span> +<span id="L58" class="LineNr"> 58 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 +<span id="L59" class="LineNr"> 59 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L60" class="LineNr"> 60 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L61" class="LineNr"> 61 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span> +<span id="L62" class="LineNr"> 62 </span> bb/copy-to-EBX 1/imm32 +<span id="L63" class="LineNr"> 63 </span> b8/copy-to-EAX 1/imm32/exit +<span id="L64" class="LineNr"> 64 </span> cd/syscall 0x80/imm8 +<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># never gets here</span> +<span id="L66" class="LineNr"> 66 </span> +<span id="L67" class="LineNr"> 67 </span><span class="subxTest">test-new-stream</span>: +<span id="L68" class="LineNr"> 68 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L69" class="LineNr"> 69 </span> 55/push-EBP +<span id="L70" class="LineNr"> 70 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L71" class="LineNr"> 71 </span> <span class="subxComment"># var ad/ECX : (address allocation-descriptor) = allocate-region(Heap, 512)</span> +<span id="L72" class="LineNr"> 72 </span> <span class="subxS1Comment"># . EAX = allocate-region(Heap, 512)</span> +<span id="L73" class="LineNr"> 73 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L74" class="LineNr"> 74 </span> 68/push 0x200/imm32 +<span id="L75" class="LineNr"> 75 </span> 68/push <span class="SpecialChar"><a href='069allocate.subx.html#L23'>Heap</a></span>/imm32 +<span id="L76" class="LineNr"> 76 </span> <span class="subxS2Comment"># . . call</span> +<span id="L77" class="LineNr"> 77 </span> e8/call <a href='069allocate.subx.html#L146'>allocate-region</a>/disp32 +<span id="L78" class="LineNr"> 78 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L79" class="LineNr"> 79 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L80" class="LineNr"> 80 </span> <span class="subxS1Comment"># . ECX = EAX</span> +<span id="L81" class="LineNr"> 81 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to ECX</span> +<span id="L82" class="LineNr"> 82 </span> <span class="subxComment"># var start/EDX = ad->curr</span> +<span id="L83" class="LineNr"> 83 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EDX</span> +<span id="L84" class="LineNr"> 84 </span> <span class="subxComment"># EAX = new-stream(ad, 3, 2)</span> +<span id="L85" class="LineNr"> 85 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L86" class="LineNr"> 86 </span> 68/push 2/imm32 +<span id="L87" class="LineNr"> 87 </span> 68/push 3/imm32 +<span id="L88" class="LineNr"> 88 </span> 51/push-ECX +<span id="L89" class="LineNr"> 89 </span> <span class="subxS2Comment"># . . call</span> +<span id="L90" class="LineNr"> 90 </span> e8/call <a href='070new-stream.subx.html#L8'>new-stream</a>/disp32 +<span id="L91" class="LineNr"> 91 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L92" class="LineNr"> 92 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># check-ints-equal(EAX, EDX, msg)</span> +<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L95" class="LineNr"> 95 </span> 68/push <span class="Constant">"F - <a href='070new-stream.subx.html#L67'>test-new-stream</a>: returns current pointer of allocation descriptor"</span>/imm32 +<span id="L96" class="LineNr"> 96 </span> 52/push-EDX +<span id="L97" class="LineNr"> 97 </span> 50/push-EAX +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . call</span> +<span id="L99" class="LineNr"> 99 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L101" class="LineNr">101 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L102" class="LineNr">102 </span> <span class="subxComment"># check-ints-equal(EAX->length, 6, msg)</span> +<span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L104" class="LineNr">104 </span> 68/push <span class="Constant">"F - <a href='070new-stream.subx.html#L67'>test-new-stream</a>: sets length correctly"</span>/imm32 +<span id="L105" class="LineNr">105 </span> 68/push 6/imm32 +<span id="L106" class="LineNr">106 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="subxComment"># push *(EAX+8)</span> +<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . call</span> +<span id="L108" class="LineNr">108 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L109" class="LineNr">109 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L110" class="LineNr">110 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L111" class="LineNr">111 </span> <span class="subxComment"># the rest is delegated to clear-stream() so we won't bother checking it</span> +<span id="L112" class="LineNr">112 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L113" class="LineNr">113 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L114" class="LineNr">114 </span> 5d/pop-to-EBP +<span id="L115" class="LineNr">115 </span> c3/return +<span id="L116" class="LineNr">116 </span> +<span id="L117" class="LineNr">117 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/071read-line.subx.html b/html/subx/071read-line.subx.html index ae319294..fdd4562e 100644 --- a/html/subx/071read-line.subx.html +++ b/html/subx/071read-line.subx.html @@ -64,309 +64,302 @@ if ('onhashchange' in window) { <span id="L3" class="LineNr"> 3 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L4" class="LineNr"> 4 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L5" class="LineNr"> 5 </span> -<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># main:</span> -<span id="L7" class="LineNr"> 7 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L8" class="LineNr"> 8 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L9" class="LineNr"> 9 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L10" class="LineNr"> 10 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L11" class="LineNr"> 11 </span> cd/syscall 0x80/imm8 -<span id="L12" class="LineNr"> 12 </span> -<span id="L13" class="LineNr"> 13 </span><span class="subxComment"># read bytes from 'f' until (and including) a newline and store them into 's'</span> -<span id="L14" class="LineNr"> 14 </span><span class="subxComment"># return true if no data found, false otherwise</span> -<span id="L15" class="LineNr"> 15 </span><span class="subxComment"># just abort if 's' is too small</span> -<span id="L16" class="LineNr"> 16 </span><span class="subxFunction">read-line</span>: <span class="subxComment"># f : (address buffered-file), s : (address stream byte) -> eof?/EAX</span> -<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># pseudocode:</span> -<span id="L18" class="LineNr"> 18 </span> <span class="subxComment"># loop:</span> -<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># if (s->write >= s->length) abort</span> -<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># if (f->read >= f->write) populate stream from file</span> -<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># if (f->write == 0) break</span> -<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># AL = f->data[f->read]</span> -<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># s->data[s->write] = AL</span> -<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># ++f->read</span> -<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># ++s->write</span> -<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># if (AL == '\n') break</span> -<span id="L27" class="LineNr"> 27 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L28" class="LineNr"> 28 </span> 55/push-EBP -<span id="L29" class="LineNr"> 29 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L30" class="LineNr"> 30 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L31" class="LineNr"> 31 </span> 51/push-ECX -<span id="L32" class="LineNr"> 32 </span> 52/push-EDX -<span id="L33" class="LineNr"> 33 </span> 56/push-ESI -<span id="L34" class="LineNr"> 34 </span> 57/push-EDI -<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># ESI = f</span> -<span id="L36" class="LineNr"> 36 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># ECX = f->read</span> -<span id="L38" class="LineNr"> 38 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+8) to ECX</span> -<span id="L39" class="LineNr"> 39 </span> <span class="subxComment"># EDI = s</span> -<span id="L40" class="LineNr"> 40 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> -<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># EDX = s->write</span> -<span id="L42" class="LineNr"> 42 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to EDX</span> -<span id="L43" class="LineNr"> 43 </span><span class="Constant">$read-line:loop</span>: -<span id="L44" class="LineNr"> 44 </span> <span class="subxComment"># if (s->write >= s->length) abort</span> -<span id="L45" class="LineNr"> 45 </span> 3b/compare 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare EDX with *(EDI+8)</span> -<span id="L46" class="LineNr"> 46 </span> 7d/jump-if-greater-or-equal $read-line:abort/disp8 -<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># if (f->read >= f->write) populate stream from file</span> -<span id="L48" class="LineNr"> 48 </span> 3b/compare 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare ECX with *(ESI+4)</span> -<span id="L49" class="LineNr"> 49 </span> 7c/jump-if-lesser $read-line:from-stream/disp8 -<span id="L50" class="LineNr"> 50 </span> <span class="subxS1Comment"># . clear-stream(stream = f+4)</span> -<span id="L51" class="LineNr"> 51 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L52" class="LineNr"> 52 </span> 8d/copy-address 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+4 to EAX</span> -<span id="L53" class="LineNr"> 53 </span> 50/push-EAX -<span id="L54" class="LineNr"> 54 </span> <span class="subxS2Comment"># . . call</span> -<span id="L55" class="LineNr"> 55 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L56" class="LineNr"> 56 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L57" class="LineNr"> 57 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L58" class="LineNr"> 58 </span> <span class="subxS1Comment"># . f->read must now be 0; update its cache at ECX</span> -<span id="L59" class="LineNr"> 59 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> -<span id="L60" class="LineNr"> 60 </span> <span class="subxS1Comment"># . EAX = read(f->fd, stream = f+4)</span> -<span id="L61" class="LineNr"> 61 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L62" class="LineNr"> 62 </span> 50/push-EAX -<span id="L63" class="LineNr"> 63 </span> ff 6/subop/push 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ESI</span> -<span id="L64" class="LineNr"> 64 </span> <span class="subxS2Comment"># . . call</span> -<span id="L65" class="LineNr"> 65 </span> e8/call <a href='060read.subx.html#L55'>read</a>/disp32 -<span id="L66" class="LineNr"> 66 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L67" class="LineNr"> 67 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># if (f->write == 0) return true</span> -<span id="L69" class="LineNr"> 69 </span> <span class="subxS1Comment"># . if (EAX == 0) return true</span> -<span id="L70" class="LineNr"> 70 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> -<span id="L71" class="LineNr"> 71 </span> 75/jump-if-not-equal $read-line:from-stream/disp8 -<span id="L72" class="LineNr"> 72 </span> b8/copy-to-EAX 0xffffffff/imm32 -<span id="L73" class="LineNr"> 73 </span> eb/jump $read-line:end/disp8 -<span id="L74" class="LineNr"> 74 </span><span class="Constant">$read-line:from-stream</span>: -<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># AL = f->data[f->read]</span> -<span id="L76" class="LineNr"> 76 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L77" class="LineNr"> 77 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+16) to AL</span> -<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># s->data[s->write] = AL</span> -<span id="L79" class="LineNr"> 79 </span> 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/EDI 2/index/EDX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy AL to *(EDI+EDX+12)</span> -<span id="L80" class="LineNr"> 80 </span> <span class="subxComment"># ++f->read</span> -<span id="L81" class="LineNr"> 81 </span> 41/increment-ECX -<span id="L82" class="LineNr"> 82 </span> <span class="subxComment"># ++s->write</span> -<span id="L83" class="LineNr"> 83 </span> 42/increment-EDX -<span id="L84" class="LineNr"> 84 </span> <span class="subxComment"># if (AL == '\n') return false</span> -<span id="L85" class="LineNr"> 85 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xa/imm32 <span class="subxComment"># compare EAX</span> -<span id="L86" class="LineNr"> 86 </span> 75/jump-if-not-equal $read-line:loop/disp8 -<span id="L87" class="LineNr"> 87 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L88" class="LineNr"> 88 </span><span class="Constant">$read-line:end</span>: -<span id="L89" class="LineNr"> 89 </span> <span class="subxComment"># save f->read</span> -<span id="L90" class="LineNr"> 90 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(ESI+8)</span> -<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># save s->write</span> -<span id="L92" class="LineNr"> 92 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EDX to *EDI</span> -<span id="L93" class="LineNr"> 93 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L94" class="LineNr"> 94 </span> 5f/pop-to-EDI -<span id="L95" class="LineNr"> 95 </span> 5e/pop-to-ESI -<span id="L96" class="LineNr"> 96 </span> 5a/pop-to-EDX -<span id="L97" class="LineNr"> 97 </span> 59/pop-to-ECX -<span id="L98" class="LineNr"> 98 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L99" class="LineNr"> 99 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L100" class="LineNr">100 </span> 5d/pop-to-EBP -<span id="L101" class="LineNr">101 </span> c3/return -<span id="L102" class="LineNr">102 </span> -<span id="L103" class="LineNr">103 </span><span class="Constant">$read-line:abort</span>: -<span id="L104" class="LineNr">104 </span> <span class="subxS1Comment"># . _write(2/stderr, error)</span> -<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L106" class="LineNr">106 </span> 68/push <span class="Constant">"read-line: line too long"</span>/imm32 -<span id="L107" class="LineNr">107 </span> 68/push 2/imm32/stderr -<span id="L108" class="LineNr">108 </span> <span class="subxS2Comment"># . . call</span> -<span id="L109" class="LineNr">109 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 -<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L111" class="LineNr">111 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L112" class="LineNr">112 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span> -<span id="L113" class="LineNr">113 </span> bb/copy-to-EBX 1/imm32 -<span id="L114" class="LineNr">114 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L115" class="LineNr">115 </span> cd/syscall 0x80/imm8 -<span id="L116" class="LineNr">116 </span> <span class="subxComment"># never gets here</span> -<span id="L117" class="LineNr">117 </span> -<span id="L118" class="LineNr">118 </span><span class="subxTest">test-read-line</span>: -<span id="L119" class="LineNr">119 </span> <span class="subxH1Comment"># - check that read-line stops at a newline</span> -<span id="L120" class="LineNr">120 </span> <span class="subxComment"># setup</span> -<span id="L121" class="LineNr">121 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># read bytes from 'f' until (and including) a newline and store them into 's'</span> +<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># return true if no data found, false otherwise</span> +<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># just abort if 's' is too small</span> +<span id="L9" class="LineNr"> 9 </span><span class="subxFunction">read-line</span>: <span class="subxComment"># f : (address buffered-file), s : (address stream byte) -> eof?/EAX</span> +<span id="L10" class="LineNr"> 10 </span> <span class="subxComment"># pseudocode:</span> +<span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># loop:</span> +<span id="L12" class="LineNr"> 12 </span> <span class="subxComment"># if (s->write >= s->length) abort</span> +<span id="L13" class="LineNr"> 13 </span> <span class="subxComment"># if (f->read >= f->write) populate stream from file</span> +<span id="L14" class="LineNr"> 14 </span> <span class="subxComment"># if (f->write == 0) break</span> +<span id="L15" class="LineNr"> 15 </span> <span class="subxComment"># AL = f->data[f->read]</span> +<span id="L16" class="LineNr"> 16 </span> <span class="subxComment"># s->data[s->write] = AL</span> +<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># ++f->read</span> +<span id="L18" class="LineNr"> 18 </span> <span class="subxComment"># ++s->write</span> +<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># if (AL == '\n') break</span> +<span id="L20" class="LineNr"> 20 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L21" class="LineNr"> 21 </span> 55/push-EBP +<span id="L22" class="LineNr"> 22 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L23" class="LineNr"> 23 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L24" class="LineNr"> 24 </span> 51/push-ECX +<span id="L25" class="LineNr"> 25 </span> 52/push-EDX +<span id="L26" class="LineNr"> 26 </span> 56/push-ESI +<span id="L27" class="LineNr"> 27 </span> 57/push-EDI +<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># ESI = f</span> +<span id="L29" class="LineNr"> 29 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># ECX = f->read</span> +<span id="L31" class="LineNr"> 31 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+8) to ECX</span> +<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># EDI = s</span> +<span id="L33" class="LineNr"> 33 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> +<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># EDX = s->write</span> +<span id="L35" class="LineNr"> 35 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to EDX</span> +<span id="L36" class="LineNr"> 36 </span><span class="Constant">$read-line:loop</span>: +<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># if (s->write >= s->length) abort</span> +<span id="L38" class="LineNr"> 38 </span> 3b/compare 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare EDX with *(EDI+8)</span> +<span id="L39" class="LineNr"> 39 </span> 7d/jump-if-greater-or-equal $read-line:abort/disp8 +<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># if (f->read >= f->write) populate stream from file</span> +<span id="L41" class="LineNr"> 41 </span> 3b/compare 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare ECX with *(ESI+4)</span> +<span id="L42" class="LineNr"> 42 </span> 7c/jump-if-lesser $read-line:from-stream/disp8 +<span id="L43" class="LineNr"> 43 </span> <span class="subxS1Comment"># . clear-stream(stream = f+4)</span> +<span id="L44" class="LineNr"> 44 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L45" class="LineNr"> 45 </span> 8d/copy-address 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+4 to EAX</span> +<span id="L46" class="LineNr"> 46 </span> 50/push-EAX +<span id="L47" class="LineNr"> 47 </span> <span class="subxS2Comment"># . . call</span> +<span id="L48" class="LineNr"> 48 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L49" class="LineNr"> 49 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L50" class="LineNr"> 50 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L51" class="LineNr"> 51 </span> <span class="subxS1Comment"># . f->read must now be 0; update its cache at ECX</span> +<span id="L52" class="LineNr"> 52 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> +<span id="L53" class="LineNr"> 53 </span> <span class="subxS1Comment"># . EAX = read(f->fd, stream = f+4)</span> +<span id="L54" class="LineNr"> 54 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L55" class="LineNr"> 55 </span> 50/push-EAX +<span id="L56" class="LineNr"> 56 </span> ff 6/subop/push 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ESI</span> +<span id="L57" class="LineNr"> 57 </span> <span class="subxS2Comment"># . . call</span> +<span id="L58" class="LineNr"> 58 </span> e8/call <a href='060read.subx.html#L48'>read</a>/disp32 +<span id="L59" class="LineNr"> 59 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L60" class="LineNr"> 60 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># if (f->write == 0) return true</span> +<span id="L62" class="LineNr"> 62 </span> <span class="subxS1Comment"># . if (EAX == 0) return true</span> +<span id="L63" class="LineNr"> 63 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> +<span id="L64" class="LineNr"> 64 </span> 75/jump-if-not-equal $read-line:from-stream/disp8 +<span id="L65" class="LineNr"> 65 </span> b8/copy-to-EAX 0xffffffff/imm32 +<span id="L66" class="LineNr"> 66 </span> eb/jump $read-line:end/disp8 +<span id="L67" class="LineNr"> 67 </span><span class="Constant">$read-line:from-stream</span>: +<span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># AL = f->data[f->read]</span> +<span id="L69" class="LineNr"> 69 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L70" class="LineNr"> 70 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+16) to AL</span> +<span id="L71" class="LineNr"> 71 </span> <span class="subxComment"># s->data[s->write] = AL</span> +<span id="L72" class="LineNr"> 72 </span> 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/EDI 2/index/EDX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy AL to *(EDI+EDX+12)</span> +<span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># ++f->read</span> +<span id="L74" class="LineNr"> 74 </span> 41/increment-ECX +<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># ++s->write</span> +<span id="L76" class="LineNr"> 76 </span> 42/increment-EDX +<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># if (AL == '\n') return false</span> +<span id="L78" class="LineNr"> 78 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xa/imm32 <span class="subxComment"># compare EAX</span> +<span id="L79" class="LineNr"> 79 </span> 75/jump-if-not-equal $read-line:loop/disp8 +<span id="L80" class="LineNr"> 80 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L81" class="LineNr"> 81 </span><span class="Constant">$read-line:end</span>: +<span id="L82" class="LineNr"> 82 </span> <span class="subxComment"># save f->read</span> +<span id="L83" class="LineNr"> 83 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(ESI+8)</span> +<span id="L84" class="LineNr"> 84 </span> <span class="subxComment"># save s->write</span> +<span id="L85" class="LineNr"> 85 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EDX to *EDI</span> +<span id="L86" class="LineNr"> 86 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L87" class="LineNr"> 87 </span> 5f/pop-to-EDI +<span id="L88" class="LineNr"> 88 </span> 5e/pop-to-ESI +<span id="L89" class="LineNr"> 89 </span> 5a/pop-to-EDX +<span id="L90" class="LineNr"> 90 </span> 59/pop-to-ECX +<span id="L91" class="LineNr"> 91 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L92" class="LineNr"> 92 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L93" class="LineNr"> 93 </span> 5d/pop-to-EBP +<span id="L94" class="LineNr"> 94 </span> c3/return +<span id="L95" class="LineNr"> 95 </span> +<span id="L96" class="LineNr"> 96 </span><span class="Constant">$read-line:abort</span>: +<span id="L97" class="LineNr"> 97 </span> <span class="subxS1Comment"># . _write(2/stderr, error)</span> +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L99" class="LineNr"> 99 </span> 68/push <span class="Constant">"read-line: line too long"</span>/imm32 +<span id="L100" class="LineNr">100 </span> 68/push 2/imm32/stderr +<span id="L101" class="LineNr">101 </span> <span class="subxS2Comment"># . . call</span> +<span id="L102" class="LineNr">102 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32 +<span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L104" class="LineNr">104 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L105" class="LineNr">105 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span> +<span id="L106" class="LineNr">106 </span> bb/copy-to-EBX 1/imm32 +<span id="L107" class="LineNr">107 </span> b8/copy-to-EAX 1/imm32/exit +<span id="L108" class="LineNr">108 </span> cd/syscall 0x80/imm8 +<span id="L109" class="LineNr">109 </span> <span class="subxComment"># never gets here</span> +<span id="L110" class="LineNr">110 </span> +<span id="L111" class="LineNr">111 </span><span class="subxTest">test-read-line</span>: +<span id="L112" class="LineNr">112 </span> <span class="subxH1Comment"># - check that read-line stops at a newline</span> +<span id="L113" class="LineNr">113 </span> <span class="subxComment"># setup</span> +<span id="L114" class="LineNr">114 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L115" class="LineNr">115 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L116" class="LineNr">116 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L117" class="LineNr">117 </span> <span class="subxS2Comment"># . . call</span> +<span id="L118" class="LineNr">118 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L120" class="LineNr">120 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L121" class="LineNr">121 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> <span id="L122" class="LineNr">122 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L123" class="LineNr">123 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . call</span> -<span id="L125" class="LineNr">125 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L126" class="LineNr">126 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L127" class="LineNr">127 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L128" class="LineNr">128 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L129" class="LineNr">129 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L130" class="LineNr">130 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L131" class="LineNr">131 </span> 05/add-to-EAX 4/imm32 -<span id="L132" class="LineNr">132 </span> 50/push-EAX +<span id="L123" class="LineNr">123 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L124" class="LineNr">124 </span> 05/add-to-EAX 4/imm32 +<span id="L125" class="LineNr">125 </span> 50/push-EAX +<span id="L126" class="LineNr">126 </span> <span class="subxS2Comment"># . . call</span> +<span id="L127" class="LineNr">127 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L129" class="LineNr">129 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L130" class="LineNr">130 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> +<span id="L131" class="LineNr">131 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L132" class="LineNr">132 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 <span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . call</span> -<span id="L134" class="LineNr">134 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 +<span id="L134" class="LineNr">134 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L135" class="LineNr">135 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L136" class="LineNr">136 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L137" class="LineNr">137 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> -<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L139" class="LineNr">139 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L140" class="LineNr">140 </span> <span class="subxS2Comment"># . . call</span> -<span id="L141" class="LineNr">141 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L142" class="LineNr">142 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L143" class="LineNr">143 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L144" class="LineNr">144 </span> <span class="subxComment"># write(_test-stream, "ab\ncd")</span> -<span id="L145" class="LineNr">145 </span> <span class="subxS1Comment"># . write(_test-stream, "ab")</span> -<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L147" class="LineNr">147 </span> 68/push <span class="Constant">"ab"</span>/imm32 -<span id="L148" class="LineNr">148 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L149" class="LineNr">149 </span> <span class="subxS2Comment"># . . call</span> -<span id="L150" class="LineNr">150 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L151" class="LineNr">151 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L152" class="LineNr">152 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L153" class="LineNr">153 </span> <span class="subxS1Comment"># . write(_test-stream, "\n")</span> -<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L155" class="LineNr">155 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L156" class="LineNr">156 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . call</span> -<span id="L158" class="LineNr">158 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L159" class="LineNr">159 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L160" class="LineNr">160 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L161" class="LineNr">161 </span> <span class="subxS1Comment"># . write(_test-stream, "cd")</span> -<span id="L162" class="LineNr">162 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L163" class="LineNr">163 </span> 68/push <span class="Constant">"cd"</span>/imm32 -<span id="L164" class="LineNr">164 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . call</span> -<span id="L166" class="LineNr">166 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L167" class="LineNr">167 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L168" class="LineNr">168 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L169" class="LineNr">169 </span> <span class="subxComment"># read a line from _test-stream (buffered by _test-buffered-file) into _test-tmp-stream</span> -<span id="L170" class="LineNr">170 </span> <span class="subxS1Comment"># . EAX = read-line(_test-buffered-file, _test-tmp-stream)</span> -<span id="L171" class="LineNr">171 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L172" class="LineNr">172 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L173" class="LineNr">173 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . call</span> -<span id="L175" class="LineNr">175 </span> e8/call <a href='071read-line.subx.html#L16'>read-line</a>/disp32 -<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L177" class="LineNr">177 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L178" class="LineNr">178 </span> <span class="subxComment"># check-ints-equal(EAX, 0/not-at-eof, msg)</span> -<span id="L179" class="LineNr">179 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L180" class="LineNr">180 </span> 68/push <span class="Constant">"F - <a href='071read-line.subx.html#L118'>test-read-line</a>: return value"</span>/imm32 -<span id="L181" class="LineNr">181 </span> 68/push 0/imm32/not-at-eof -<span id="L182" class="LineNr">182 </span> 50/push-EAX -<span id="L183" class="LineNr">183 </span> <span class="subxS2Comment"># . . call</span> -<span id="L184" class="LineNr">184 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L186" class="LineNr">186 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L187" class="LineNr">187 </span> <span class="subxComment"># check-next-stream-line-equal(_test-tmp-stream, "ab", msg)</span> -<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L189" class="LineNr">189 </span> 68/push <span class="Constant">"F - test-read-line"</span>/imm32 -<span id="L190" class="LineNr">190 </span> 68/push <span class="Constant">"ab"</span>/imm32 -<span id="L191" class="LineNr">191 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L192" class="LineNr">192 </span> <span class="subxS2Comment"># . . call</span> -<span id="L193" class="LineNr">193 </span> e8/call <a href='058stream-equal.subx.html#L644'>check-next-stream-line-equal</a>/disp32 -<span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L195" class="LineNr">195 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L196" class="LineNr">196 </span> <span class="subxComment"># end</span> -<span id="L197" class="LineNr">197 </span> c3/return -<span id="L198" class="LineNr">198 </span> -<span id="L199" class="LineNr">199 </span><span class="subxTest">test-read-line-returns-true-on-eof</span>: -<span id="L200" class="LineNr">200 </span> <span class="subxComment"># setup</span> -<span id="L201" class="LineNr">201 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L137" class="LineNr">137 </span> <span class="subxComment"># write(_test-stream, "ab\ncd")</span> +<span id="L138" class="LineNr">138 </span> <span class="subxS1Comment"># . write(_test-stream, "ab")</span> +<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L140" class="LineNr">140 </span> 68/push <span class="Constant">"ab"</span>/imm32 +<span id="L141" class="LineNr">141 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L142" class="LineNr">142 </span> <span class="subxS2Comment"># . . call</span> +<span id="L143" class="LineNr">143 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L144" class="LineNr">144 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L145" class="LineNr">145 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L146" class="LineNr">146 </span> <span class="subxS1Comment"># . write(_test-stream, "\n")</span> +<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L148" class="LineNr">148 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L149" class="LineNr">149 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . call</span> +<span id="L151" class="LineNr">151 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L152" class="LineNr">152 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L153" class="LineNr">153 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L154" class="LineNr">154 </span> <span class="subxS1Comment"># . write(_test-stream, "cd")</span> +<span id="L155" class="LineNr">155 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L156" class="LineNr">156 </span> 68/push <span class="Constant">"cd"</span>/imm32 +<span id="L157" class="LineNr">157 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . call</span> +<span id="L159" class="LineNr">159 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L161" class="LineNr">161 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L162" class="LineNr">162 </span> <span class="subxComment"># read a line from _test-stream (buffered by _test-buffered-file) into _test-tmp-stream</span> +<span id="L163" class="LineNr">163 </span> <span class="subxS1Comment"># . EAX = read-line(_test-buffered-file, _test-tmp-stream)</span> +<span id="L164" class="LineNr">164 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L165" class="LineNr">165 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L166" class="LineNr">166 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L167" class="LineNr">167 </span> <span class="subxS2Comment"># . . call</span> +<span id="L168" class="LineNr">168 </span> e8/call <a href='071read-line.subx.html#L9'>read-line</a>/disp32 +<span id="L169" class="LineNr">169 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L170" class="LineNr">170 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L171" class="LineNr">171 </span> <span class="subxComment"># check-ints-equal(EAX, 0/not-at-eof, msg)</span> +<span id="L172" class="LineNr">172 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L173" class="LineNr">173 </span> 68/push <span class="Constant">"F - <a href='071read-line.subx.html#L111'>test-read-line</a>: return value"</span>/imm32 +<span id="L174" class="LineNr">174 </span> 68/push 0/imm32/not-at-eof +<span id="L175" class="LineNr">175 </span> 50/push-EAX +<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . call</span> +<span id="L177" class="LineNr">177 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L179" class="LineNr">179 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L180" class="LineNr">180 </span> <span class="subxComment"># check-next-stream-line-equal(_test-tmp-stream, "ab", msg)</span> +<span id="L181" class="LineNr">181 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L182" class="LineNr">182 </span> 68/push <span class="Constant">"F - test-read-line"</span>/imm32 +<span id="L183" class="LineNr">183 </span> 68/push <span class="Constant">"ab"</span>/imm32 +<span id="L184" class="LineNr">184 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . call</span> +<span id="L186" class="LineNr">186 </span> e8/call <a href='058stream-equal.subx.html#L643'>check-next-stream-line-equal</a>/disp32 +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L188" class="LineNr">188 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L189" class="LineNr">189 </span> <span class="subxComment"># end</span> +<span id="L190" class="LineNr">190 </span> c3/return +<span id="L191" class="LineNr">191 </span> +<span id="L192" class="LineNr">192 </span><span class="subxTest">test-read-line-returns-true-on-eof</span>: +<span id="L193" class="LineNr">193 </span> <span class="subxComment"># setup</span> +<span id="L194" class="LineNr">194 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L195" class="LineNr">195 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L196" class="LineNr">196 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L197" class="LineNr">197 </span> <span class="subxS2Comment"># . . call</span> +<span id="L198" class="LineNr">198 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L200" class="LineNr">200 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L201" class="LineNr">201 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> <span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L203" class="LineNr">203 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . call</span> -<span id="L205" class="LineNr">205 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L206" class="LineNr">206 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L207" class="LineNr">207 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L208" class="LineNr">208 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L209" class="LineNr">209 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L210" class="LineNr">210 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L211" class="LineNr">211 </span> 05/add-to-EAX 4/imm32 -<span id="L212" class="LineNr">212 </span> 50/push-EAX +<span id="L203" class="LineNr">203 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L204" class="LineNr">204 </span> 05/add-to-EAX 4/imm32 +<span id="L205" class="LineNr">205 </span> 50/push-EAX +<span id="L206" class="LineNr">206 </span> <span class="subxS2Comment"># . . call</span> +<span id="L207" class="LineNr">207 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L208" class="LineNr">208 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L209" class="LineNr">209 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L210" class="LineNr">210 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> +<span id="L211" class="LineNr">211 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L212" class="LineNr">212 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 <span id="L213" class="LineNr">213 </span> <span class="subxS2Comment"># . . call</span> -<span id="L214" class="LineNr">214 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 +<span id="L214" class="LineNr">214 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L215" class="LineNr">215 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L216" class="LineNr">216 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L217" class="LineNr">217 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> -<span id="L218" class="LineNr">218 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L219" class="LineNr">219 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L220" class="LineNr">220 </span> <span class="subxS2Comment"># . . call</span> -<span id="L221" class="LineNr">221 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L222" class="LineNr">222 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L223" class="LineNr">223 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L224" class="LineNr">224 </span> <span class="subxComment"># write nothing</span> -<span id="L225" class="LineNr">225 </span> <span class="subxComment"># EAX = read-line(_test-buffered-file, _test-tmp-stream)</span> -<span id="L226" class="LineNr">226 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L227" class="LineNr">227 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L228" class="LineNr">228 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L229" class="LineNr">229 </span> <span class="subxS2Comment"># . . call</span> -<span id="L230" class="LineNr">230 </span> e8/call <a href='071read-line.subx.html#L16'>read-line</a>/disp32 -<span id="L231" class="LineNr">231 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L232" class="LineNr">232 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L233" class="LineNr">233 </span> <span class="subxComment"># check-ints-equal(EAX, eof, msg)</span> -<span id="L234" class="LineNr">234 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L235" class="LineNr">235 </span> 68/push <span class="Constant">"F - test-read-line-returns-true-on-eof"</span>/imm32 -<span id="L236" class="LineNr">236 </span> 68/push 0xffffffff/imm32/not-at-eof -<span id="L237" class="LineNr">237 </span> 50/push-EAX -<span id="L238" class="LineNr">238 </span> <span class="subxS2Comment"># . . call</span> -<span id="L239" class="LineNr">239 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L240" class="LineNr">240 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L241" class="LineNr">241 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L242" class="LineNr">242 </span> <span class="subxComment"># end</span> -<span id="L243" class="LineNr">243 </span> c3/return -<span id="L244" class="LineNr">244 </span> -<span id="L245" class="LineNr">245 </span><span class="subxTest">test-read-line-reads-final-line-until-eof</span>: -<span id="L246" class="LineNr">246 </span> <span class="subxComment"># setup</span> -<span id="L247" class="LineNr">247 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L217" class="LineNr">217 </span> <span class="subxComment"># write nothing</span> +<span id="L218" class="LineNr">218 </span> <span class="subxComment"># EAX = read-line(_test-buffered-file, _test-tmp-stream)</span> +<span id="L219" class="LineNr">219 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L220" class="LineNr">220 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L221" class="LineNr">221 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L222" class="LineNr">222 </span> <span class="subxS2Comment"># . . call</span> +<span id="L223" class="LineNr">223 </span> e8/call <a href='071read-line.subx.html#L9'>read-line</a>/disp32 +<span id="L224" class="LineNr">224 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L225" class="LineNr">225 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L226" class="LineNr">226 </span> <span class="subxComment"># check-ints-equal(EAX, eof, msg)</span> +<span id="L227" class="LineNr">227 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L228" class="LineNr">228 </span> 68/push <span class="Constant">"F - test-read-line-returns-true-on-eof"</span>/imm32 +<span id="L229" class="LineNr">229 </span> 68/push 0xffffffff/imm32/not-at-eof +<span id="L230" class="LineNr">230 </span> 50/push-EAX +<span id="L231" class="LineNr">231 </span> <span class="subxS2Comment"># . . call</span> +<span id="L232" class="LineNr">232 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L233" class="LineNr">233 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L234" class="LineNr">234 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L235" class="LineNr">235 </span> <span class="subxComment"># end</span> +<span id="L236" class="LineNr">236 </span> c3/return +<span id="L237" class="LineNr">237 </span> +<span id="L238" class="LineNr">238 </span><span class="subxTest">test-read-line-reads-final-line-until-eof</span>: +<span id="L239" class="LineNr">239 </span> <span class="subxComment"># setup</span> +<span id="L240" class="LineNr">240 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L241" class="LineNr">241 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L242" class="LineNr">242 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L243" class="LineNr">243 </span> <span class="subxS2Comment"># . . call</span> +<span id="L244" class="LineNr">244 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L245" class="LineNr">245 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L246" class="LineNr">246 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L247" class="LineNr">247 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> <span id="L248" class="LineNr">248 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L249" class="LineNr">249 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L250" class="LineNr">250 </span> <span class="subxS2Comment"># . . call</span> -<span id="L251" class="LineNr">251 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L252" class="LineNr">252 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L253" class="LineNr">253 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L254" class="LineNr">254 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L255" class="LineNr">255 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L256" class="LineNr">256 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L257" class="LineNr">257 </span> 05/add-to-EAX 4/imm32 -<span id="L258" class="LineNr">258 </span> 50/push-EAX +<span id="L249" class="LineNr">249 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L250" class="LineNr">250 </span> 05/add-to-EAX 4/imm32 +<span id="L251" class="LineNr">251 </span> 50/push-EAX +<span id="L252" class="LineNr">252 </span> <span class="subxS2Comment"># . . call</span> +<span id="L253" class="LineNr">253 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L254" class="LineNr">254 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L255" class="LineNr">255 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L256" class="LineNr">256 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> +<span id="L257" class="LineNr">257 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L258" class="LineNr">258 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 <span id="L259" class="LineNr">259 </span> <span class="subxS2Comment"># . . call</span> -<span id="L260" class="LineNr">260 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 +<span id="L260" class="LineNr">260 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L261" class="LineNr">261 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L262" class="LineNr">262 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L263" class="LineNr">263 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> +<span id="L263" class="LineNr">263 </span> <span class="subxComment"># write(_test-stream, "cd")</span> <span id="L264" class="LineNr">264 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L265" class="LineNr">265 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L266" class="LineNr">266 </span> <span class="subxS2Comment"># . . call</span> -<span id="L267" class="LineNr">267 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L268" class="LineNr">268 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L269" class="LineNr">269 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L270" class="LineNr">270 </span> <span class="subxComment"># write(_test-stream, "cd")</span> -<span id="L271" class="LineNr">271 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L272" class="LineNr">272 </span> 68/push <span class="Constant">"cd"</span>/imm32 -<span id="L273" class="LineNr">273 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L274" class="LineNr">274 </span> <span class="subxS2Comment"># . . call</span> -<span id="L275" class="LineNr">275 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L276" class="LineNr">276 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L277" class="LineNr">277 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L278" class="LineNr">278 </span> <span class="subxComment"># read a line from _test-stream (buffered by _test-buffered-file) into _test-tmp-stream</span> -<span id="L279" class="LineNr">279 </span> <span class="subxS1Comment"># . EAX = read-line(_test-buffered-file, _test-tmp-stream)</span> -<span id="L280" class="LineNr">280 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L281" class="LineNr">281 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L282" class="LineNr">282 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L283" class="LineNr">283 </span> <span class="subxS2Comment"># . . call</span> -<span id="L284" class="LineNr">284 </span> e8/call <a href='071read-line.subx.html#L16'>read-line</a>/disp32 -<span id="L285" class="LineNr">285 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L286" class="LineNr">286 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L287" class="LineNr">287 </span> <span class="subxComment"># check-ints-equal(EAX, eof, msg)</span> -<span id="L288" class="LineNr">288 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L289" class="LineNr">289 </span> 68/push <span class="Constant">"F - <a href='071read-line.subx.html#L245'>test-read-line-reads-final-line-until-eof</a>: return value"</span>/imm32 -<span id="L290" class="LineNr">290 </span> 68/push 0xffffffff/imm32/not-at-eof -<span id="L291" class="LineNr">291 </span> 50/push-EAX -<span id="L292" class="LineNr">292 </span> <span class="subxS2Comment"># . . call</span> -<span id="L293" class="LineNr">293 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L294" class="LineNr">294 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L295" class="LineNr">295 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L296" class="LineNr">296 </span> <span class="subxComment"># check-stream-equal(_test-tmp-stream, "cd", msg)</span> -<span id="L297" class="LineNr">297 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L298" class="LineNr">298 </span> 68/push <span class="Constant">"F - test-read-line-reads-final-line-until-eof"</span>/imm32 -<span id="L299" class="LineNr">299 </span> 68/push <span class="Constant">"cd"</span>/imm32 -<span id="L300" class="LineNr">300 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L301" class="LineNr">301 </span> <span class="subxS2Comment"># . . call</span> -<span id="L302" class="LineNr">302 </span> e8/call <a href='058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L303" class="LineNr">303 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L304" class="LineNr">304 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L305" class="LineNr">305 </span> <span class="subxComment"># end</span> -<span id="L306" class="LineNr">306 </span> c3/return -<span id="L307" class="LineNr">307 </span> -<span id="L308" class="LineNr">308 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L265" class="LineNr">265 </span> 68/push <span class="Constant">"cd"</span>/imm32 +<span id="L266" class="LineNr">266 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L267" class="LineNr">267 </span> <span class="subxS2Comment"># . . call</span> +<span id="L268" class="LineNr">268 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L269" class="LineNr">269 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L270" class="LineNr">270 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L271" class="LineNr">271 </span> <span class="subxComment"># read a line from _test-stream (buffered by _test-buffered-file) into _test-tmp-stream</span> +<span id="L272" class="LineNr">272 </span> <span class="subxS1Comment"># . EAX = read-line(_test-buffered-file, _test-tmp-stream)</span> +<span id="L273" class="LineNr">273 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L274" class="LineNr">274 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L275" class="LineNr">275 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L276" class="LineNr">276 </span> <span class="subxS2Comment"># . . call</span> +<span id="L277" class="LineNr">277 </span> e8/call <a href='071read-line.subx.html#L9'>read-line</a>/disp32 +<span id="L278" class="LineNr">278 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L279" class="LineNr">279 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L280" class="LineNr">280 </span> <span class="subxComment"># check-ints-equal(EAX, eof, msg)</span> +<span id="L281" class="LineNr">281 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L282" class="LineNr">282 </span> 68/push <span class="Constant">"F - <a href='071read-line.subx.html#L238'>test-read-line-reads-final-line-until-eof</a>: return value"</span>/imm32 +<span id="L283" class="LineNr">283 </span> 68/push 0xffffffff/imm32/not-at-eof +<span id="L284" class="LineNr">284 </span> 50/push-EAX +<span id="L285" class="LineNr">285 </span> <span class="subxS2Comment"># . . call</span> +<span id="L286" class="LineNr">286 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L287" class="LineNr">287 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L288" class="LineNr">288 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L289" class="LineNr">289 </span> <span class="subxComment"># check-stream-equal(_test-tmp-stream, "cd", msg)</span> +<span id="L290" class="LineNr">290 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L291" class="LineNr">291 </span> 68/push <span class="Constant">"F - test-read-line-reads-final-line-until-eof"</span>/imm32 +<span id="L292" class="LineNr">292 </span> 68/push <span class="Constant">"cd"</span>/imm32 +<span id="L293" class="LineNr">293 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L294" class="LineNr">294 </span> <span class="subxS2Comment"># . . call</span> +<span id="L295" class="LineNr">295 </span> e8/call <a href='058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L296" class="LineNr">296 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L297" class="LineNr">297 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L298" class="LineNr">298 </span> <span class="subxComment"># end</span> +<span id="L299" class="LineNr">299 </span> c3/return +<span id="L300" class="LineNr">300 </span> +<span id="L301" class="LineNr">301 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/072slice.subx.html b/html/subx/072slice.subx.html index 36c731eb..10e75e80 100644 --- a/html/subx/072slice.subx.html +++ b/html/subx/072slice.subx.html @@ -24,7 +24,6 @@ a { color:inherit; } .subxMinorFunction { color: #875f5f; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } .subxS2Comment { color: #8a8a8a; } -.SpecialChar { color: #d70000; } .subxH1Comment { color: #005faf; text-decoration: underline; } --> </style> @@ -69,918 +68,917 @@ if ('onhashchange' in window) { <span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L7" class="LineNr"> 7 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L8" class="LineNr"> 8 </span> -<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># main:</span> +<span id="L9" class="LineNr"> 9 </span><span class="CommentedCode">#? Entry: # run a single test, while debugging</span> <span id="L10" class="LineNr"> 10 </span><span class="CommentedCode">#? e8/call test-slice-starts-with-fails/disp32</span> <span id="L11" class="LineNr"> 11 </span><span class="CommentedCode">#? e8/call test-slice-starts-with-single-character/disp32</span> -<span id="L12" class="LineNr"> 12 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L13" class="LineNr"> 13 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L14" class="LineNr"> 14 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L15" class="LineNr"> 15 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L16" class="LineNr"> 16 </span> cd/syscall 0x80/imm8 -<span id="L17" class="LineNr"> 17 </span> -<span id="L18" class="LineNr"> 18 </span><span class="subxFunction">slice-empty?</span>: <span class="subxComment"># s : (address slice) -> EAX : boolean</span> -<span id="L19" class="LineNr"> 19 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L20" class="LineNr"> 20 </span> 55/push-EBP -<span id="L21" class="LineNr"> 21 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L22" class="LineNr"> 22 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L23" class="LineNr"> 23 </span> 51/push-ECX -<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># ECX = s</span> -<span id="L25" class="LineNr"> 25 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> -<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># if (s->start == s->end) return true</span> -<span id="L27" class="LineNr"> 27 </span> <span class="subxS1Comment"># . EAX = s->start</span> -<span id="L28" class="LineNr"> 28 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EAX</span> -<span id="L29" class="LineNr"> 29 </span> <span class="subxS1Comment"># . compare EAX with s->end</span> -<span id="L30" class="LineNr"> 30 </span> 39/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare EAX and *(ECX+4)</span> -<span id="L31" class="LineNr"> 31 </span> b8/copy-to-EAX 1/imm32/true -<span id="L32" class="LineNr"> 32 </span> 74/jump-if-equal $slice-empty?:end/disp8 -<span id="L33" class="LineNr"> 33 </span> b8/copy-to-EAX 0/imm32/false -<span id="L34" class="LineNr"> 34 </span><span class="Constant">$slice-empty?:end</span>: -<span id="L35" class="LineNr"> 35 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L36" class="LineNr"> 36 </span> 59/pop-to-ECX -<span id="L37" class="LineNr"> 37 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L38" class="LineNr"> 38 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L39" class="LineNr"> 39 </span> 5d/pop-to-EBP -<span id="L40" class="LineNr"> 40 </span> c3/return -<span id="L41" class="LineNr"> 41 </span> -<span id="L42" class="LineNr"> 42 </span><span class="subxTest">test-slice-empty-true</span>: -<span id="L43" class="LineNr"> 43 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L44" class="LineNr"> 44 </span> 55/push-EBP -<span id="L45" class="LineNr"> 45 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L46" class="LineNr"> 46 </span> <span class="subxComment"># var slice/ECX = {34, 34}</span> -<span id="L47" class="LineNr"> 47 </span> 68/push 34/imm32/end -<span id="L48" class="LineNr"> 48 </span> 68/push 34/imm32/start -<span id="L49" class="LineNr"> 49 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># slice-empty?(slice)</span> -<span id="L51" class="LineNr"> 51 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L52" class="LineNr"> 52 </span> 51/push-ECX -<span id="L53" class="LineNr"> 53 </span> <span class="subxS2Comment"># . . call</span> -<span id="L54" class="LineNr"> 54 </span> e8/call <a href='072slice.subx.html#L18'>slice-empty?</a>/disp32 -<span id="L55" class="LineNr"> 55 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L56" class="LineNr"> 56 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L57" class="LineNr"> 57 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L58" class="LineNr"> 58 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L59" class="LineNr"> 59 </span> 68/push <span class="Constant">"F - test-slice-empty-true"</span>/imm32 -<span id="L60" class="LineNr"> 60 </span> 68/push 1/imm32 -<span id="L61" class="LineNr"> 61 </span> 50/push-EAX -<span id="L62" class="LineNr"> 62 </span> <span class="subxS2Comment"># . . call</span> -<span id="L63" class="LineNr"> 63 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L64" class="LineNr"> 64 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L65" class="LineNr"> 65 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L66" class="LineNr"> 66 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L67" class="LineNr"> 67 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L68" class="LineNr"> 68 </span> 5d/pop-to-EBP -<span id="L69" class="LineNr"> 69 </span> c3/return -<span id="L70" class="LineNr"> 70 </span> -<span id="L71" class="LineNr"> 71 </span><span class="subxTest">test-slice-empty-false</span>: -<span id="L72" class="LineNr"> 72 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L73" class="LineNr"> 73 </span> 55/push-EBP -<span id="L74" class="LineNr"> 74 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># var slice/ECX = {34, 23}</span> -<span id="L76" class="LineNr"> 76 </span> 68/push 23/imm32/end -<span id="L77" class="LineNr"> 77 </span> 68/push 34/imm32/start -<span id="L78" class="LineNr"> 78 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># slice-empty?(slice)</span> -<span id="L80" class="LineNr"> 80 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L81" class="LineNr"> 81 </span> 51/push-ECX -<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . call</span> -<span id="L83" class="LineNr"> 83 </span> e8/call <a href='072slice.subx.html#L18'>slice-empty?</a>/disp32 -<span id="L84" class="LineNr"> 84 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L85" class="LineNr"> 85 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L88" class="LineNr"> 88 </span> 68/push <span class="Constant">"F - test-slice-empty-false"</span>/imm32 -<span id="L89" class="LineNr"> 89 </span> 68/push 0/imm32 -<span id="L90" class="LineNr"> 90 </span> 50/push-EAX -<span id="L91" class="LineNr"> 91 </span> <span class="subxS2Comment"># . . call</span> -<span id="L92" class="LineNr"> 92 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L93" class="LineNr"> 93 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L94" class="LineNr"> 94 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L95" class="LineNr"> 95 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L96" class="LineNr"> 96 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L97" class="LineNr"> 97 </span> 5d/pop-to-EBP -<span id="L98" class="LineNr"> 98 </span> c3/return -<span id="L99" class="LineNr"> 99 </span> -<span id="L100" class="LineNr">100 </span><span class="subxFunction">slice-equal?</span>: <span class="subxComment"># s : (address slice), p : (address string) -> EAX : boolean</span> -<span id="L101" class="LineNr">101 </span> <span class="subxComment"># pseudocode:</span> -<span id="L102" class="LineNr">102 </span> <span class="subxComment"># currs = s->start</span> -<span id="L103" class="LineNr">103 </span> <span class="subxComment"># maxs = s->end</span> -<span id="L104" class="LineNr">104 </span> <span class="subxComment"># if (maxs - currs != p->length) return false</span> -<span id="L105" class="LineNr">105 </span> <span class="subxComment"># currp = p->data</span> -<span id="L106" class="LineNr">106 </span> <span class="subxComment"># while (currs < maxs)</span> -<span id="L107" class="LineNr">107 </span> <span class="subxComment"># if (*currs != *currp) return false</span> -<span id="L108" class="LineNr">108 </span> <span class="subxComment"># ++currs</span> -<span id="L109" class="LineNr">109 </span> <span class="subxComment"># ++currp</span> -<span id="L110" class="LineNr">110 </span> <span class="subxComment"># return true</span> -<span id="L111" class="LineNr">111 </span> <span class="subxComment">#</span> -<span id="L112" class="LineNr">112 </span> <span class="subxComment"># registers:</span> -<span id="L113" class="LineNr">113 </span> <span class="subxComment"># currs: EDX</span> -<span id="L114" class="LineNr">114 </span> <span class="subxComment"># maxs: ESI</span> -<span id="L115" class="LineNr">115 </span> <span class="subxComment"># currp: EBX</span> -<span id="L116" class="LineNr">116 </span> <span class="subxComment"># *currs: EAX</span> -<span id="L117" class="LineNr">117 </span> <span class="subxComment"># *currp: ECX</span> -<span id="L118" class="LineNr">118 </span> <span class="subxComment">#</span> -<span id="L119" class="LineNr">119 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L120" class="LineNr">120 </span> 55/push-EBP -<span id="L121" class="LineNr">121 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L122" class="LineNr">122 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L123" class="LineNr">123 </span> 51/push-ECX -<span id="L124" class="LineNr">124 </span> 52/push-EDX -<span id="L125" class="LineNr">125 </span> 53/push-EBX -<span id="L126" class="LineNr">126 </span> 56/push-ESI -<span id="L127" class="LineNr">127 </span> <span class="subxComment"># ESI = s</span> -<span id="L128" class="LineNr">128 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L129" class="LineNr">129 </span> <span class="subxComment"># currs/EDX = s->start</span> -<span id="L130" class="LineNr">130 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EDX</span> -<span id="L131" class="LineNr">131 </span> <span class="subxComment"># maxs/ESI = s->end</span> -<span id="L132" class="LineNr">132 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ESI</span> -<span id="L133" class="LineNr">133 </span> <span class="subxComment"># EBX = p</span> -<span id="L134" class="LineNr">134 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EBX</span> -<span id="L135" class="LineNr">135 </span> <span class="subxComment"># EAX = maxs - currs</span> -<span id="L136" class="LineNr">136 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESI to EAX</span> -<span id="L137" class="LineNr">137 </span> 29/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EDX from EAX</span> -<span id="L138" class="LineNr">138 </span> <span class="subxComment"># if (EAX != p->length) return false</span> -<span id="L139" class="LineNr">139 </span> 39/compare 0/mod/indirect 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *EBX and EAX</span> -<span id="L140" class="LineNr">140 </span> 75/jump-if-not-equal $slice-equal?:false/disp8 -<span id="L141" class="LineNr">141 </span> <span class="subxComment"># currp/EBX = p->data</span> -<span id="L142" class="LineNr">142 </span> 81 0/subop/add 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to EBX</span> -<span id="L143" class="LineNr">143 </span> <span class="subxComment"># EAX = ECX = 0</span> -<span id="L144" class="LineNr">144 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L145" class="LineNr">145 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> -<span id="L146" class="LineNr">146 </span><span class="Constant">$slice-equal?:loop</span>: -<span id="L147" class="LineNr">147 </span> <span class="subxComment"># if (currs >= maxs) return true</span> -<span id="L148" class="LineNr">148 </span> 39/compare 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDX and ESI</span> -<span id="L149" class="LineNr">149 </span> 7d/jump-if-greater-or-equal $slice-equal?:true/disp8 -<span id="L150" class="LineNr">150 </span> <span class="subxComment"># AL = *currp</span> -<span id="L151" class="LineNr">151 </span> 8a/copy-byte 0/mod/indirect 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EBX to AL</span> -<span id="L152" class="LineNr">152 </span> <span class="subxComment"># CL = *currs</span> -<span id="L153" class="LineNr">153 </span> 8a/copy-byte 0/mod/indirect 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/CL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EDX to CL</span> -<span id="L154" class="LineNr">154 </span> <span class="subxComment"># if (EAX != ECX) return false</span> -<span id="L155" class="LineNr">155 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and ECX</span> -<span id="L156" class="LineNr">156 </span> 75/jump-if-not-equal $slice-equal?:false/disp8 -<span id="L157" class="LineNr">157 </span> <span class="subxComment"># ++currp</span> -<span id="L158" class="LineNr">158 </span> 43/increment-EBX -<span id="L159" class="LineNr">159 </span> <span class="subxComment"># ++currs</span> -<span id="L160" class="LineNr">160 </span> 42/increment-EDX -<span id="L161" class="LineNr">161 </span> eb/jump $slice-equal?:loop/disp8 -<span id="L162" class="LineNr">162 </span><span class="Constant">$slice-equal?:false</span>: -<span id="L163" class="LineNr">163 </span> b8/copy-to-EAX 0/imm32 -<span id="L164" class="LineNr">164 </span> eb/jump $slice-equal?:end/disp8 -<span id="L165" class="LineNr">165 </span><span class="Constant">$slice-equal?:true</span>: -<span id="L166" class="LineNr">166 </span> b8/copy-to-EAX 1/imm32 -<span id="L167" class="LineNr">167 </span><span class="Constant">$slice-equal?:end</span>: -<span id="L168" class="LineNr">168 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L169" class="LineNr">169 </span> 5e/pop-to-ESI -<span id="L170" class="LineNr">170 </span> 5b/pop-to-EBX -<span id="L171" class="LineNr">171 </span> 5a/pop-to-EDX -<span id="L172" class="LineNr">172 </span> 59/pop-to-ECX -<span id="L173" class="LineNr">173 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L174" class="LineNr">174 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L175" class="LineNr">175 </span> 5d/pop-to-EBP -<span id="L176" class="LineNr">176 </span> c3/return -<span id="L177" class="LineNr">177 </span> -<span id="L178" class="LineNr">178 </span><span class="subxTest">test-slice-equal</span>: -<span id="L179" class="LineNr">179 </span> <span class="subxH1Comment"># - slice-equal?(slice("Abc"), "Abc") == 1</span> -<span id="L180" class="LineNr">180 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L181" class="LineNr">181 </span> 55/push-EBP -<span id="L182" class="LineNr">182 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L183" class="LineNr">183 </span> <span class="subxComment"># var slice/ECX</span> -<span id="L184" class="LineNr">184 </span> 68/push <a href='072slice.subx.html#L916'>_test-slice-data-3</a>/imm32/end -<span id="L185" class="LineNr">185 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/start -<span id="L186" class="LineNr">186 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L187" class="LineNr">187 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "Abc")</span> -<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L189" class="LineNr">189 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L190" class="LineNr">190 </span> 51/push-ECX -<span id="L191" class="LineNr">191 </span> <span class="subxS2Comment"># . . call</span> -<span id="L192" class="LineNr">192 </span> e8/call <a href='072slice.subx.html#L100'>slice-equal?</a>/disp32 -<span id="L193" class="LineNr">193 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L194" class="LineNr">194 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L195" class="LineNr">195 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L196" class="LineNr">196 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L197" class="LineNr">197 </span> 68/push <span class="Constant">"F - test-slice-equal"</span>/imm32 -<span id="L198" class="LineNr">198 </span> 68/push 1/imm32 -<span id="L199" class="LineNr">199 </span> 50/push-EAX -<span id="L200" class="LineNr">200 </span> <span class="subxS2Comment"># . . call</span> -<span id="L201" class="LineNr">201 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L203" class="LineNr">203 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L204" class="LineNr">204 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L205" class="LineNr">205 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L206" class="LineNr">206 </span> 5d/pop-to-EBP -<span id="L207" class="LineNr">207 </span> c3/return -<span id="L208" class="LineNr">208 </span> -<span id="L209" class="LineNr">209 </span><span class="subxTest">test-slice-equal-false</span>: -<span id="L210" class="LineNr">210 </span> <span class="subxH1Comment"># - slice-equal?(slice("bcd"), "Abc") == 0</span> -<span id="L211" class="LineNr">211 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L212" class="LineNr">212 </span> 55/push-EBP -<span id="L213" class="LineNr">213 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L214" class="LineNr">214 </span> <span class="subxComment"># var slice/ECX</span> -<span id="L215" class="LineNr">215 </span> 68/push <a href='072slice.subx.html#L918'>_test-slice-data-4</a>/imm32/end -<span id="L216" class="LineNr">216 </span> 68/push <a href='072slice.subx.html#L912'>_test-slice-data-1</a>/imm32/start -<span id="L217" class="LineNr">217 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L218" class="LineNr">218 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "Abc")</span> -<span id="L219" class="LineNr">219 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L220" class="LineNr">220 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L221" class="LineNr">221 </span> 51/push-ECX -<span id="L222" class="LineNr">222 </span> <span class="subxS2Comment"># . . call</span> -<span id="L223" class="LineNr">223 </span> e8/call <a href='072slice.subx.html#L100'>slice-equal?</a>/disp32 -<span id="L224" class="LineNr">224 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L225" class="LineNr">225 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L226" class="LineNr">226 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L227" class="LineNr">227 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L228" class="LineNr">228 </span> 68/push <span class="Constant">"F - test-slice-equal-false"</span>/imm32 -<span id="L229" class="LineNr">229 </span> 68/push 0/imm32 -<span id="L230" class="LineNr">230 </span> 50/push-EAX -<span id="L231" class="LineNr">231 </span> <span class="subxS2Comment"># . . call</span> -<span id="L232" class="LineNr">232 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L233" class="LineNr">233 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L234" class="LineNr">234 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L235" class="LineNr">235 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L236" class="LineNr">236 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L237" class="LineNr">237 </span> 5d/pop-to-EBP -<span id="L238" class="LineNr">238 </span> c3/return -<span id="L239" class="LineNr">239 </span> -<span id="L240" class="LineNr">240 </span><span class="subxTest">test-slice-equal-too-long</span>: -<span id="L241" class="LineNr">241 </span> <span class="subxH1Comment"># - slice-equal?(slice("Abcd"), "Abc") == 0</span> -<span id="L242" class="LineNr">242 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L243" class="LineNr">243 </span> 55/push-EBP -<span id="L244" class="LineNr">244 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L245" class="LineNr">245 </span> <span class="subxComment"># var slice/ECX</span> -<span id="L246" class="LineNr">246 </span> 68/push <a href='072slice.subx.html#L918'>_test-slice-data-4</a>/imm32/end -<span id="L247" class="LineNr">247 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/start -<span id="L248" class="LineNr">248 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L249" class="LineNr">249 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "Abc")</span> -<span id="L250" class="LineNr">250 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L251" class="LineNr">251 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L252" class="LineNr">252 </span> 51/push-ECX -<span id="L253" class="LineNr">253 </span> <span class="subxS2Comment"># . . call</span> -<span id="L254" class="LineNr">254 </span> e8/call <a href='072slice.subx.html#L100'>slice-equal?</a>/disp32 -<span id="L255" class="LineNr">255 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L256" class="LineNr">256 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L257" class="LineNr">257 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L258" class="LineNr">258 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L259" class="LineNr">259 </span> 68/push <span class="Constant">"F - test-slice-equal-too-long"</span>/imm32 -<span id="L260" class="LineNr">260 </span> 68/push 0/imm32 -<span id="L261" class="LineNr">261 </span> 50/push-EAX -<span id="L262" class="LineNr">262 </span> <span class="subxS2Comment"># . . call</span> -<span id="L263" class="LineNr">263 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L264" class="LineNr">264 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L265" class="LineNr">265 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L266" class="LineNr">266 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L267" class="LineNr">267 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L268" class="LineNr">268 </span> 5d/pop-to-EBP -<span id="L269" class="LineNr">269 </span> c3/return -<span id="L270" class="LineNr">270 </span> -<span id="L271" class="LineNr">271 </span><span class="subxTest">test-slice-equal-too-short</span>: -<span id="L272" class="LineNr">272 </span> <span class="subxH1Comment"># - slice-equal?(slice("A"), "Abc") == 0</span> -<span id="L273" class="LineNr">273 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L274" class="LineNr">274 </span> 55/push-EBP -<span id="L275" class="LineNr">275 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L276" class="LineNr">276 </span> <span class="subxComment"># var slice/ECX</span> -<span id="L277" class="LineNr">277 </span> 68/push <a href='072slice.subx.html#L912'>_test-slice-data-1</a>/imm32/end -<span id="L278" class="LineNr">278 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/start -<span id="L279" class="LineNr">279 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L280" class="LineNr">280 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "Abc")</span> -<span id="L281" class="LineNr">281 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L282" class="LineNr">282 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L283" class="LineNr">283 </span> 51/push-ECX -<span id="L284" class="LineNr">284 </span> <span class="subxS2Comment"># . . call</span> -<span id="L285" class="LineNr">285 </span> e8/call <a href='072slice.subx.html#L100'>slice-equal?</a>/disp32 -<span id="L286" class="LineNr">286 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L287" class="LineNr">287 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L288" class="LineNr">288 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L289" class="LineNr">289 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L290" class="LineNr">290 </span> 68/push <span class="Constant">"F - test-slice-equal-too-short"</span>/imm32 -<span id="L291" class="LineNr">291 </span> 68/push 0/imm32 -<span id="L292" class="LineNr">292 </span> 50/push-EAX -<span id="L293" class="LineNr">293 </span> <span class="subxS2Comment"># . . call</span> -<span id="L294" class="LineNr">294 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L295" class="LineNr">295 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L296" class="LineNr">296 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L297" class="LineNr">297 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L298" class="LineNr">298 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L299" class="LineNr">299 </span> 5d/pop-to-EBP -<span id="L300" class="LineNr">300 </span> c3/return -<span id="L301" class="LineNr">301 </span> -<span id="L302" class="LineNr">302 </span><span class="subxTest">test-slice-equal-empty</span>: -<span id="L303" class="LineNr">303 </span> <span class="subxH1Comment"># - slice-equal?(slice(""), "Abc") == 0</span> -<span id="L304" class="LineNr">304 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L305" class="LineNr">305 </span> 55/push-EBP -<span id="L306" class="LineNr">306 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L307" class="LineNr">307 </span> <span class="subxComment"># var slice/ECX</span> -<span id="L308" class="LineNr">308 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/end -<span id="L309" class="LineNr">309 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/start -<span id="L310" class="LineNr">310 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L311" class="LineNr">311 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "Abc")</span> -<span id="L312" class="LineNr">312 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L313" class="LineNr">313 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L314" class="LineNr">314 </span> 51/push-ECX -<span id="L315" class="LineNr">315 </span> <span class="subxS2Comment"># . . call</span> -<span id="L316" class="LineNr">316 </span> e8/call <a href='072slice.subx.html#L100'>slice-equal?</a>/disp32 -<span id="L317" class="LineNr">317 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L318" class="LineNr">318 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L319" class="LineNr">319 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L320" class="LineNr">320 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L321" class="LineNr">321 </span> 68/push <span class="Constant">"F - test-slice-equal-empty"</span>/imm32 -<span id="L322" class="LineNr">322 </span> 68/push 0/imm32 -<span id="L323" class="LineNr">323 </span> 50/push-EAX -<span id="L324" class="LineNr">324 </span> <span class="subxS2Comment"># . . call</span> -<span id="L325" class="LineNr">325 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L326" class="LineNr">326 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L327" class="LineNr">327 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L328" class="LineNr">328 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L329" class="LineNr">329 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L330" class="LineNr">330 </span> 5d/pop-to-EBP -<span id="L331" class="LineNr">331 </span> c3/return -<span id="L332" class="LineNr">332 </span> -<span id="L333" class="LineNr">333 </span><span class="subxTest">test-slice-equal-with-empty</span>: -<span id="L334" class="LineNr">334 </span> <span class="subxH1Comment"># - slice-equal?(slice("Ab"), "") == 0</span> -<span id="L335" class="LineNr">335 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L336" class="LineNr">336 </span> 55/push-EBP -<span id="L337" class="LineNr">337 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L338" class="LineNr">338 </span> <span class="subxComment"># var slice/ECX</span> -<span id="L339" class="LineNr">339 </span> 68/push <a href='072slice.subx.html#L914'>_test-slice-data-2</a>/imm32/end -<span id="L340" class="LineNr">340 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/start -<span id="L341" class="LineNr">341 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L342" class="LineNr">342 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "")</span> -<span id="L343" class="LineNr">343 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L344" class="LineNr">344 </span> 68/push <span class="Constant">""</span>/imm32 -<span id="L345" class="LineNr">345 </span> 51/push-ECX -<span id="L346" class="LineNr">346 </span> <span class="subxS2Comment"># . . call</span> -<span id="L347" class="LineNr">347 </span> e8/call <a href='072slice.subx.html#L100'>slice-equal?</a>/disp32 -<span id="L348" class="LineNr">348 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L349" class="LineNr">349 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L350" class="LineNr">350 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L351" class="LineNr">351 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L352" class="LineNr">352 </span> 68/push <span class="Constant">"F - test-slice-equal-with-empty"</span>/imm32 -<span id="L353" class="LineNr">353 </span> 68/push 0/imm32 -<span id="L354" class="LineNr">354 </span> 50/push-EAX -<span id="L355" class="LineNr">355 </span> <span class="subxS2Comment"># . . call</span> -<span id="L356" class="LineNr">356 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L357" class="LineNr">357 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L358" class="LineNr">358 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L359" class="LineNr">359 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L360" class="LineNr">360 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L361" class="LineNr">361 </span> 5d/pop-to-EBP -<span id="L362" class="LineNr">362 </span> c3/return -<span id="L363" class="LineNr">363 </span> -<span id="L364" class="LineNr">364 </span><span class="subxTest">test-slice-equal-empty-with-empty</span>: -<span id="L365" class="LineNr">365 </span> <span class="subxH1Comment"># - slice-equal?(slice(""), "") == 1</span> -<span id="L366" class="LineNr">366 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L367" class="LineNr">367 </span> 55/push-EBP -<span id="L368" class="LineNr">368 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L369" class="LineNr">369 </span> <span class="subxComment"># var slice/ECX</span> -<span id="L370" class="LineNr">370 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/end -<span id="L371" class="LineNr">371 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/start -<span id="L372" class="LineNr">372 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L373" class="LineNr">373 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "")</span> -<span id="L374" class="LineNr">374 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L375" class="LineNr">375 </span> 68/push <span class="Constant">""</span>/imm32 -<span id="L376" class="LineNr">376 </span> 51/push-ECX -<span id="L377" class="LineNr">377 </span> <span class="subxS2Comment"># . . call</span> -<span id="L378" class="LineNr">378 </span> e8/call <a href='072slice.subx.html#L100'>slice-equal?</a>/disp32 -<span id="L379" class="LineNr">379 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L380" class="LineNr">380 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L381" class="LineNr">381 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L382" class="LineNr">382 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L383" class="LineNr">383 </span> 68/push <span class="Constant">"F - test-slice-equal-empty-with-empty"</span>/imm32 -<span id="L384" class="LineNr">384 </span> 68/push 1/imm32 -<span id="L385" class="LineNr">385 </span> 50/push-EAX -<span id="L386" class="LineNr">386 </span> <span class="subxS2Comment"># . . call</span> -<span id="L387" class="LineNr">387 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L388" class="LineNr">388 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L389" class="LineNr">389 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L390" class="LineNr">390 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L391" class="LineNr">391 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L392" class="LineNr">392 </span> 5d/pop-to-EBP -<span id="L393" class="LineNr">393 </span> c3/return -<span id="L394" class="LineNr">394 </span> -<span id="L395" class="LineNr">395 </span><span class="subxFunction">slice-starts-with?</span>: <span class="subxComment"># s : (address slice), head : (address string) -> EAX : boolean</span> -<span id="L396" class="LineNr">396 </span> <span class="subxComment"># pseudocode</span> -<span id="L397" class="LineNr">397 </span> <span class="subxComment"># lenh = head->length</span> -<span id="L398" class="LineNr">398 </span> <span class="subxComment"># if (lenh > s->end - s->start) return false</span> -<span id="L399" class="LineNr">399 </span> <span class="subxComment"># i = 0</span> -<span id="L400" class="LineNr">400 </span> <span class="subxComment"># currs = s->start</span> -<span id="L401" class="LineNr">401 </span> <span class="subxComment"># currp = head->data</span> -<span id="L402" class="LineNr">402 </span> <span class="subxComment"># while i < lenh</span> -<span id="L403" class="LineNr">403 </span> <span class="subxComment"># if (*currs != *currh) return false</span> -<span id="L404" class="LineNr">404 </span> <span class="subxComment"># ++i</span> -<span id="L405" class="LineNr">405 </span> <span class="subxComment"># ++currs</span> -<span id="L406" class="LineNr">406 </span> <span class="subxComment"># ++currh</span> -<span id="L407" class="LineNr">407 </span> <span class="subxComment"># return true</span> -<span id="L408" class="LineNr">408 </span> <span class="subxComment">#</span> -<span id="L409" class="LineNr">409 </span> <span class="subxComment"># registers:</span> -<span id="L410" class="LineNr">410 </span> <span class="subxComment"># currs: ESI</span> -<span id="L411" class="LineNr">411 </span> <span class="subxComment"># currh: EDI</span> -<span id="L412" class="LineNr">412 </span> <span class="subxComment"># *currs: EAX</span> -<span id="L413" class="LineNr">413 </span> <span class="subxComment"># *currh: EBX</span> -<span id="L414" class="LineNr">414 </span> <span class="subxComment"># i: ECX</span> -<span id="L415" class="LineNr">415 </span> <span class="subxComment"># lenh: EDX</span> -<span id="L416" class="LineNr">416 </span> <span class="subxComment">#</span> -<span id="L417" class="LineNr">417 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L418" class="LineNr">418 </span> 55/push-EBP -<span id="L419" class="LineNr">419 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L420" class="LineNr">420 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L421" class="LineNr">421 </span> 51/push-ECX -<span id="L422" class="LineNr">422 </span> 52/push-EDX -<span id="L423" class="LineNr">423 </span> 53/push-EBX -<span id="L424" class="LineNr">424 </span> 56/push-ESI -<span id="L425" class="LineNr">425 </span> 57/push-EDI -<span id="L426" class="LineNr">426 </span> <span class="subxComment"># ESI = s</span> -<span id="L427" class="LineNr">427 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L428" class="LineNr">428 </span> <span class="subxComment"># ECX = s->end - s->start</span> -<span id="L429" class="LineNr">429 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> -<span id="L430" class="LineNr">430 </span> 2b/subtract 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *ESI from ECX</span> -<span id="L431" class="LineNr">431 </span> <span class="subxComment"># EDI = head</span> -<span id="L432" class="LineNr">432 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> -<span id="L433" class="LineNr">433 </span> <span class="subxComment"># lenh/EDX = head->length</span> -<span id="L434" class="LineNr">434 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to EDX</span> -<span id="L435" class="LineNr">435 </span> <span class="subxComment"># if (lenh > s->end - s->start) return false</span> -<span id="L436" class="LineNr">436 </span> 39/compare 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDX with ECX</span> -<span id="L437" class="LineNr">437 </span> 7f/jump-if-greater $slice-starts-with?:false/disp8 -<span id="L438" class="LineNr">438 </span> <span class="subxComment"># currs/ESI = s->start</span> -<span id="L439" class="LineNr">439 </span> 8b/subtract 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to ESI</span> -<span id="L440" class="LineNr">440 </span> <span class="subxComment"># currh/EDI = head->data</span> -<span id="L441" class="LineNr">441 </span> 81 0/subop/add 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to EDI</span> -<span id="L442" class="LineNr">442 </span> <span class="subxComment"># i/ECX = 0</span> -<span id="L443" class="LineNr">443 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> -<span id="L444" class="LineNr">444 </span> <span class="subxComment"># EAX = EBX = 0</span> -<span id="L445" class="LineNr">445 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L446" class="LineNr">446 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> -<span id="L447" class="LineNr">447 </span><span class="Constant">$slice-starts-with?:loop</span>: -<span id="L448" class="LineNr">448 </span> <span class="subxComment"># if (i >= lenh) return true</span> -<span id="L449" class="LineNr">449 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> -<span id="L450" class="LineNr">450 </span> 7d/jump-if-greater-or-equal $slice-starts-with?:true/disp8 -<span id="L451" class="LineNr">451 </span> <span class="subxComment"># AL = *currs</span> -<span id="L452" class="LineNr">452 </span> 8a/copy-byte 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ESI to AL</span> -<span id="L453" class="LineNr">453 </span> <span class="subxComment"># BL = *currh</span> -<span id="L454" class="LineNr">454 </span> 8a/copy-byte 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EDI to BL</span> -<span id="L455" class="LineNr">455 </span> <span class="subxComment"># if (*currs != *currh) return false</span> -<span id="L456" class="LineNr">456 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and EBX</span> -<span id="L457" class="LineNr">457 </span> 75/jump-if-not-equal $slice-starts-with?:false/disp8 -<span id="L458" class="LineNr">458 </span> <span class="subxComment"># ++i</span> -<span id="L459" class="LineNr">459 </span> 41/increment-ECX -<span id="L460" class="LineNr">460 </span> <span class="subxComment"># ++currs</span> -<span id="L461" class="LineNr">461 </span> 46/increment-ESI -<span id="L462" class="LineNr">462 </span> <span class="subxComment"># ++currh</span> -<span id="L463" class="LineNr">463 </span> 47/increment-EDI -<span id="L464" class="LineNr">464 </span> eb/jump $slice-starts-with?:loop/disp8 -<span id="L465" class="LineNr">465 </span><span class="Constant">$slice-starts-with?:true</span>: -<span id="L466" class="LineNr">466 </span> b8/copy-to-EAX 1/imm32 -<span id="L467" class="LineNr">467 </span> eb/jump $slice-starts-with?:end/disp8 -<span id="L468" class="LineNr">468 </span><span class="Constant">$slice-starts-with?:false</span>: -<span id="L469" class="LineNr">469 </span> b8/copy-to-EAX 0/imm32 -<span id="L470" class="LineNr">470 </span><span class="Constant">$slice-starts-with?:end</span>: -<span id="L471" class="LineNr">471 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L472" class="LineNr">472 </span> 5f/pop-to-EDI -<span id="L473" class="LineNr">473 </span> 5e/pop-to-ESI -<span id="L474" class="LineNr">474 </span> 5b/pop-to-EBX -<span id="L475" class="LineNr">475 </span> 5a/pop-to-EDX -<span id="L476" class="LineNr">476 </span> 59/pop-to-ECX -<span id="L477" class="LineNr">477 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L478" class="LineNr">478 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L479" class="LineNr">479 </span> 5d/pop-to-EBP -<span id="L480" class="LineNr">480 </span> c3/return -<span id="L481" class="LineNr">481 </span> -<span id="L482" class="LineNr">482 </span><span class="subxTest">test-slice-starts-with-single-character</span>: -<span id="L483" class="LineNr">483 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "A") == 1</span> -<span id="L484" class="LineNr">484 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L485" class="LineNr">485 </span> 55/push-EBP -<span id="L486" class="LineNr">486 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L487" class="LineNr">487 </span> <span class="subxComment"># var slice/ECX</span> -<span id="L488" class="LineNr">488 </span> 68/push <a href='072slice.subx.html#L916'>_test-slice-data-3</a>/imm32/end -<span id="L489" class="LineNr">489 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/start -<span id="L490" class="LineNr">490 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L491" class="LineNr">491 </span> <span class="subxComment"># EAX = slice-starts-with?(ECX, "A")</span> -<span id="L492" class="LineNr">492 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L493" class="LineNr">493 </span> 68/push <span class="Constant">"A"</span>/imm32 -<span id="L494" class="LineNr">494 </span> 51/push-ECX -<span id="L495" class="LineNr">495 </span> <span class="subxS2Comment"># . . call</span> -<span id="L496" class="LineNr">496 </span> e8/call <a href='072slice.subx.html#L395'>slice-starts-with?</a>/disp32 -<span id="L497" class="LineNr">497 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L498" class="LineNr">498 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L499" class="LineNr">499 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L500" class="LineNr">500 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L501" class="LineNr">501 </span> 68/push <span class="Constant">"F - test-slice-starts-with-single-character"</span>/imm32 -<span id="L502" class="LineNr">502 </span> 68/push 1/imm32 -<span id="L503" class="LineNr">503 </span> 50/push-EAX -<span id="L504" class="LineNr">504 </span> <span class="subxS2Comment"># . . call</span> -<span id="L505" class="LineNr">505 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L506" class="LineNr">506 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L507" class="LineNr">507 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L508" class="LineNr">508 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L509" class="LineNr">509 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L510" class="LineNr">510 </span> 5d/pop-to-EBP -<span id="L511" class="LineNr">511 </span> c3/return -<span id="L512" class="LineNr">512 </span> -<span id="L513" class="LineNr">513 </span><span class="subxTest">test-slice-starts-with-empty-string</span>: -<span id="L514" class="LineNr">514 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "") == 1</span> -<span id="L515" class="LineNr">515 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L516" class="LineNr">516 </span> 55/push-EBP -<span id="L517" class="LineNr">517 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L518" class="LineNr">518 </span> <span class="subxComment"># var slice/ECX</span> -<span id="L519" class="LineNr">519 </span> 68/push <a href='072slice.subx.html#L916'>_test-slice-data-3</a>/imm32/end -<span id="L520" class="LineNr">520 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/start -<span id="L521" class="LineNr">521 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L522" class="LineNr">522 </span> <span class="subxComment"># EAX = slice-starts-with?(ECX, "")</span> -<span id="L523" class="LineNr">523 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L524" class="LineNr">524 </span> 68/push <span class="Constant">""</span>/imm32 -<span id="L525" class="LineNr">525 </span> 51/push-ECX -<span id="L526" class="LineNr">526 </span> <span class="subxS2Comment"># . . call</span> -<span id="L527" class="LineNr">527 </span> e8/call <a href='072slice.subx.html#L395'>slice-starts-with?</a>/disp32 -<span id="L528" class="LineNr">528 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L529" class="LineNr">529 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L530" class="LineNr">530 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L531" class="LineNr">531 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L532" class="LineNr">532 </span> 68/push <span class="Constant">"F - test-slice-starts-with-empty-string"</span>/imm32 -<span id="L533" class="LineNr">533 </span> 68/push 1/imm32 -<span id="L534" class="LineNr">534 </span> 50/push-EAX -<span id="L535" class="LineNr">535 </span> <span class="subxS2Comment"># . . call</span> -<span id="L536" class="LineNr">536 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L537" class="LineNr">537 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L538" class="LineNr">538 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L539" class="LineNr">539 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L540" class="LineNr">540 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L541" class="LineNr">541 </span> 5d/pop-to-EBP -<span id="L542" class="LineNr">542 </span> c3/return -<span id="L543" class="LineNr">543 </span> -<span id="L544" class="LineNr">544 </span><span class="subxTest">test-slice-starts-with-multiple-characters</span>: -<span id="L545" class="LineNr">545 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "Ab") == 1</span> -<span id="L546" class="LineNr">546 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L547" class="LineNr">547 </span> 55/push-EBP -<span id="L548" class="LineNr">548 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L549" class="LineNr">549 </span> <span class="subxComment"># var slice/ECX</span> -<span id="L550" class="LineNr">550 </span> 68/push <a href='072slice.subx.html#L916'>_test-slice-data-3</a>/imm32/end -<span id="L551" class="LineNr">551 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/start -<span id="L552" class="LineNr">552 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L553" class="LineNr">553 </span> <span class="subxComment"># EAX = slice-starts-with?(ECX, "Ab")</span> -<span id="L554" class="LineNr">554 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L555" class="LineNr">555 </span> 68/push <span class="Constant">"Ab"</span>/imm32 -<span id="L556" class="LineNr">556 </span> 51/push-ECX -<span id="L557" class="LineNr">557 </span> <span class="subxS2Comment"># . . call</span> -<span id="L558" class="LineNr">558 </span> e8/call <a href='072slice.subx.html#L395'>slice-starts-with?</a>/disp32 -<span id="L559" class="LineNr">559 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L560" class="LineNr">560 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L561" class="LineNr">561 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L562" class="LineNr">562 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L563" class="LineNr">563 </span> 68/push <span class="Constant">"F - test-slice-starts-with-multiple-characters"</span>/imm32 -<span id="L564" class="LineNr">564 </span> 68/push 1/imm32 -<span id="L565" class="LineNr">565 </span> 50/push-EAX -<span id="L566" class="LineNr">566 </span> <span class="subxS2Comment"># . . call</span> -<span id="L567" class="LineNr">567 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L568" class="LineNr">568 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L569" class="LineNr">569 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L570" class="LineNr">570 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L571" class="LineNr">571 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L572" class="LineNr">572 </span> 5d/pop-to-EBP -<span id="L573" class="LineNr">573 </span> c3/return -<span id="L574" class="LineNr">574 </span> -<span id="L575" class="LineNr">575 </span><span class="subxTest">test-slice-starts-with-entire-string</span>: -<span id="L576" class="LineNr">576 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "Abc") == 1</span> -<span id="L577" class="LineNr">577 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L578" class="LineNr">578 </span> 55/push-EBP -<span id="L579" class="LineNr">579 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L580" class="LineNr">580 </span> <span class="subxComment"># var slice/ECX</span> -<span id="L581" class="LineNr">581 </span> 68/push <a href='072slice.subx.html#L916'>_test-slice-data-3</a>/imm32/end -<span id="L582" class="LineNr">582 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/start -<span id="L583" class="LineNr">583 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L584" class="LineNr">584 </span> <span class="subxComment"># EAX = slice-starts-with?(ECX, "Abc")</span> -<span id="L585" class="LineNr">585 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L586" class="LineNr">586 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L587" class="LineNr">587 </span> 51/push-ECX -<span id="L588" class="LineNr">588 </span> <span class="subxS2Comment"># . . call</span> -<span id="L589" class="LineNr">589 </span> e8/call <a href='072slice.subx.html#L395'>slice-starts-with?</a>/disp32 -<span id="L590" class="LineNr">590 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L591" class="LineNr">591 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L592" class="LineNr">592 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L593" class="LineNr">593 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L594" class="LineNr">594 </span> 68/push <span class="Constant">"F - test-slice-starts-with-entire-string"</span>/imm32 -<span id="L595" class="LineNr">595 </span> 68/push 1/imm32 -<span id="L596" class="LineNr">596 </span> 50/push-EAX -<span id="L597" class="LineNr">597 </span> <span class="subxS2Comment"># . . call</span> -<span id="L598" class="LineNr">598 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L599" class="LineNr">599 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L600" class="LineNr">600 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L601" class="LineNr">601 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L602" class="LineNr">602 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L603" class="LineNr">603 </span> 5d/pop-to-EBP -<span id="L604" class="LineNr">604 </span> c3/return -<span id="L605" class="LineNr">605 </span> -<span id="L606" class="LineNr">606 </span><span class="subxTest">test-slice-starts-with-fails</span>: -<span id="L607" class="LineNr">607 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "Abd") == 1</span> -<span id="L608" class="LineNr">608 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L609" class="LineNr">609 </span> 55/push-EBP -<span id="L610" class="LineNr">610 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L611" class="LineNr">611 </span> <span class="subxComment"># var slice/ECX</span> -<span id="L612" class="LineNr">612 </span> 68/push <a href='072slice.subx.html#L916'>_test-slice-data-3</a>/imm32/end -<span id="L613" class="LineNr">613 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/start -<span id="L614" class="LineNr">614 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L615" class="LineNr">615 </span> <span class="subxComment"># EAX = slice-starts-with?(ECX, "Abd")</span> -<span id="L616" class="LineNr">616 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L617" class="LineNr">617 </span> 68/push <span class="Constant">"Abd"</span>/imm32 -<span id="L618" class="LineNr">618 </span> 51/push-ECX -<span id="L619" class="LineNr">619 </span> <span class="subxS2Comment"># . . call</span> -<span id="L620" class="LineNr">620 </span> e8/call <a href='072slice.subx.html#L395'>slice-starts-with?</a>/disp32 -<span id="L621" class="LineNr">621 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L622" class="LineNr">622 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L623" class="LineNr">623 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L624" class="LineNr">624 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L625" class="LineNr">625 </span> 68/push <span class="Constant">"F - test-slice-starts-with-fails"</span>/imm32 -<span id="L626" class="LineNr">626 </span> 68/push 0/imm32 -<span id="L627" class="LineNr">627 </span> 50/push-EAX -<span id="L628" class="LineNr">628 </span> <span class="subxS2Comment"># . . call</span> -<span id="L629" class="LineNr">629 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L630" class="LineNr">630 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L631" class="LineNr">631 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L632" class="LineNr">632 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L633" class="LineNr">633 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L634" class="LineNr">634 </span> 5d/pop-to-EBP -<span id="L635" class="LineNr">635 </span> c3/return -<span id="L636" class="LineNr">636 </span> -<span id="L637" class="LineNr">637 </span><span class="subxTest">test-slice-starts-with-fails-2</span>: -<span id="L638" class="LineNr">638 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "Ac") == 1</span> -<span id="L639" class="LineNr">639 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L640" class="LineNr">640 </span> 55/push-EBP -<span id="L641" class="LineNr">641 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L642" class="LineNr">642 </span> <span class="subxComment"># var slice/ECX</span> -<span id="L643" class="LineNr">643 </span> 68/push <a href='072slice.subx.html#L916'>_test-slice-data-3</a>/imm32/end -<span id="L644" class="LineNr">644 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/start -<span id="L645" class="LineNr">645 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L646" class="LineNr">646 </span> <span class="subxComment"># EAX = slice-starts-with?(ECX, "Ac")</span> -<span id="L647" class="LineNr">647 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L648" class="LineNr">648 </span> 68/push <span class="Constant">"Ac"</span>/imm32 -<span id="L649" class="LineNr">649 </span> 51/push-ECX -<span id="L650" class="LineNr">650 </span> <span class="subxS2Comment"># . . call</span> -<span id="L651" class="LineNr">651 </span> e8/call <a href='072slice.subx.html#L395'>slice-starts-with?</a>/disp32 -<span id="L652" class="LineNr">652 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L653" class="LineNr">653 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L654" class="LineNr">654 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L655" class="LineNr">655 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L656" class="LineNr">656 </span> 68/push <span class="Constant">"F - test-slice-starts-with-fails-2"</span>/imm32 -<span id="L657" class="LineNr">657 </span> 68/push 0/imm32 -<span id="L658" class="LineNr">658 </span> 50/push-EAX -<span id="L659" class="LineNr">659 </span> <span class="subxS2Comment"># . . call</span> -<span id="L660" class="LineNr">660 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L661" class="LineNr">661 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L662" class="LineNr">662 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L663" class="LineNr">663 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L664" class="LineNr">664 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L665" class="LineNr">665 </span> 5d/pop-to-EBP -<span id="L666" class="LineNr">666 </span> c3/return -<span id="L667" class="LineNr">667 </span> -<span id="L668" class="LineNr">668 </span><span class="subxFunction">write-slice</span>: <span class="subxComment"># out : (address buffered-file), s : (address slice)</span> -<span id="L669" class="LineNr">669 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L670" class="LineNr">670 </span> 55/push-EBP -<span id="L671" class="LineNr">671 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L672" class="LineNr">672 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L673" class="LineNr">673 </span> 50/push-EAX -<span id="L674" class="LineNr">674 </span> 51/push-ECX -<span id="L675" class="LineNr">675 </span> 52/push-EDX -<span id="L676" class="LineNr">676 </span> 53/push-EBX -<span id="L677" class="LineNr">677 </span> 56/push-ESI -<span id="L678" class="LineNr">678 </span> 57/push-EDI -<span id="L679" class="LineNr">679 </span> <span class="subxComment"># ESI = s</span> -<span id="L680" class="LineNr">680 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> -<span id="L681" class="LineNr">681 </span> <span class="subxComment"># curr/ECX = s->start</span> -<span id="L682" class="LineNr">682 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to ECX</span> -<span id="L683" class="LineNr">683 </span> <span class="subxComment"># max/ESI = s->end</span> -<span id="L684" class="LineNr">684 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ESI</span> -<span id="L685" class="LineNr">685 </span> <span class="subxComment"># EDI = f</span> -<span id="L686" class="LineNr">686 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> -<span id="L687" class="LineNr">687 </span> <span class="subxComment"># EDX = f->length</span> -<span id="L688" class="LineNr">688 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+12) to EDX</span> -<span id="L689" class="LineNr">689 </span> <span class="subxComment"># EBX = f->write</span> -<span id="L690" class="LineNr">690 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to EBX</span> -<span id="L691" class="LineNr">691 </span><span class="Constant">$write-slice:loop</span>: -<span id="L692" class="LineNr">692 </span> <span class="subxComment"># if (curr >= max) break</span> -<span id="L693" class="LineNr">693 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with ESI</span> -<span id="L694" class="LineNr">694 </span> 7d/jump-if-greater-or-equal $write-slice:loop-end/disp8 -<span id="L695" class="LineNr">695 </span> <span class="subxComment"># if (f->write >= f->length) flush and clear f's stream</span> -<span id="L696" class="LineNr">696 </span> 39/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EBX with EDX</span> -<span id="L697" class="LineNr">697 </span> 7c/jump-if-lesser $write-slice:to-stream/disp8 -<span id="L698" class="LineNr">698 </span> <span class="subxS1Comment"># . persist f->write</span> -<span id="L699" class="LineNr">699 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EBX to *(EDI+4)</span> -<span id="L700" class="LineNr">700 </span> <span class="subxS1Comment"># . flush(f)</span> -<span id="L701" class="LineNr">701 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L702" class="LineNr">702 </span> 57/push-EDI -<span id="L703" class="LineNr">703 </span> <span class="subxS2Comment"># . . call</span> -<span id="L704" class="LineNr">704 </span> e8/call <a href='064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L705" class="LineNr">705 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L706" class="LineNr">706 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L707" class="LineNr">707 </span> <span class="subxS1Comment"># . clear-stream(stream = f+4)</span> -<span id="L708" class="LineNr">708 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L709" class="LineNr">709 </span> 8d/copy-address 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+4 to EAX</span> -<span id="L710" class="LineNr">710 </span> 50/push-EAX -<span id="L711" class="LineNr">711 </span> <span class="subxS2Comment"># . . call</span> -<span id="L712" class="LineNr">712 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L713" class="LineNr">713 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L714" class="LineNr">714 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L715" class="LineNr">715 </span> <span class="subxS1Comment"># . f->write must now be 0; update its cache at EBX</span> -<span id="L716" class="LineNr">716 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> -<span id="L717" class="LineNr">717 </span><span class="Constant">$write-slice:to-stream</span>: -<span id="L718" class="LineNr">718 </span> <span class="subxComment"># f->data[f->write] = *in</span> -<span id="L719" class="LineNr">719 </span> <span class="subxS1Comment"># . AL = *in</span> -<span id="L720" class="LineNr">720 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L721" class="LineNr">721 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to AL</span> -<span id="L722" class="LineNr">722 </span> <span class="subxS1Comment"># . f->data[f->write] = AL</span> -<span id="L723" class="LineNr">723 </span> 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/EDI 3/index/EBX <span class="Normal"> . </span> 0/r32/AL 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy AL to *(EDI+EBX+16)</span> -<span id="L724" class="LineNr">724 </span> <span class="subxComment"># ++f->write</span> -<span id="L725" class="LineNr">725 </span> 43/increment-EBX -<span id="L726" class="LineNr">726 </span> <span class="subxComment"># ++in</span> -<span id="L727" class="LineNr">727 </span> 41/increment-ECX -<span id="L728" class="LineNr">728 </span> eb/jump $write-slice:loop/disp8 -<span id="L729" class="LineNr">729 </span><span class="Constant">$write-slice:loop-end</span>: -<span id="L730" class="LineNr">730 </span> <span class="subxComment"># persist necessary variables from registers</span> -<span id="L731" class="LineNr">731 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EBX to *(EDI+4)</span> -<span id="L732" class="LineNr">732 </span><span class="Constant">$write-slice:end</span>: -<span id="L733" class="LineNr">733 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L734" class="LineNr">734 </span> 5f/pop-to-EDI -<span id="L735" class="LineNr">735 </span> 5e/pop-to-ESI -<span id="L736" class="LineNr">736 </span> 5b/pop-to-EBX -<span id="L737" class="LineNr">737 </span> 5a/pop-to-EDX -<span id="L738" class="LineNr">738 </span> 59/pop-to-ECX -<span id="L739" class="LineNr">739 </span> 58/pop-to-EAX -<span id="L740" class="LineNr">740 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L741" class="LineNr">741 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L742" class="LineNr">742 </span> 5d/pop-to-EBP -<span id="L743" class="LineNr">743 </span> c3/return -<span id="L744" class="LineNr">744 </span> -<span id="L745" class="LineNr">745 </span><span class="subxTest">test-write-slice</span>: -<span id="L746" class="LineNr">746 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L747" class="LineNr">747 </span> 55/push-EBP -<span id="L748" class="LineNr">748 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L749" class="LineNr">749 </span> <span class="subxComment"># setup</span> -<span id="L750" class="LineNr">750 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L751" class="LineNr">751 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L752" class="LineNr">752 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L753" class="LineNr">753 </span> <span class="subxS2Comment"># . . call</span> -<span id="L754" class="LineNr">754 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L755" class="LineNr">755 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L756" class="LineNr">756 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L757" class="LineNr">757 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L758" class="LineNr">758 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L759" class="LineNr">759 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L760" class="LineNr">760 </span> 05/add-to-EAX 4/imm32 -<span id="L761" class="LineNr">761 </span> 50/push-EAX -<span id="L762" class="LineNr">762 </span> <span class="subxS2Comment"># . . call</span> -<span id="L763" class="LineNr">763 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L764" class="LineNr">764 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L765" class="LineNr">765 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L766" class="LineNr">766 </span> <span class="subxComment"># var slice/ECX = "Abc"</span> -<span id="L767" class="LineNr">767 </span> 68/push <a href='072slice.subx.html#L916'>_test-slice-data-3</a>/imm32/end -<span id="L768" class="LineNr">768 </span> 68/push <a href='072slice.subx.html#L910'>_test-slice-data-0</a>/imm32/start -<span id="L769" class="LineNr">769 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L770" class="LineNr">770 </span> <span class="subxComment"># write-slice(_test-buffered-file, slice)</span> -<span id="L771" class="LineNr">771 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L772" class="LineNr">772 </span> 51/push-ECX -<span id="L773" class="LineNr">773 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L774" class="LineNr">774 </span> <span class="subxS2Comment"># . . call</span> -<span id="L775" class="LineNr">775 </span> e8/call <a href='072slice.subx.html#L668'>write-slice</a>/disp32 -<span id="L776" class="LineNr">776 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L777" class="LineNr">777 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L778" class="LineNr">778 </span> <span class="subxComment"># flush(_test-buffered-file)</span> -<span id="L779" class="LineNr">779 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L780" class="LineNr">780 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L781" class="LineNr">781 </span> <span class="subxS2Comment"># . . call</span> -<span id="L782" class="LineNr">782 </span> e8/call <a href='064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L783" class="LineNr">783 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L784" class="LineNr">784 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L785" class="LineNr">785 </span> <span class="subxComment"># check-stream-equal(_test-stream, "Abc", msg)</span> -<span id="L786" class="LineNr">786 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L787" class="LineNr">787 </span> 68/push <span class="Constant">"F - test-write-slice"</span>/imm32 -<span id="L788" class="LineNr">788 </span> 68/push <span class="Constant">"Abc"</span>/imm32 -<span id="L789" class="LineNr">789 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L790" class="LineNr">790 </span> <span class="subxS2Comment"># . . call</span> -<span id="L791" class="LineNr">791 </span> e8/call <a href='058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L792" class="LineNr">792 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L793" class="LineNr">793 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L794" class="LineNr">794 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L795" class="LineNr">795 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L796" class="LineNr">796 </span> 5d/pop-to-EBP -<span id="L797" class="LineNr">797 </span> c3/return -<span id="L798" class="LineNr">798 </span> -<span id="L799" class="LineNr">799 </span><span class="subxComment"># write an entire stream's contents to a buffered-file</span> -<span id="L800" class="LineNr">800 </span><span class="subxComment"># ways to do this:</span> -<span id="L801" class="LineNr">801 </span><span class="subxComment"># - construct a 'maximal slice' and pass it to write-slice</span> -<span id="L802" class="LineNr">802 </span><span class="subxComment"># - flush the buffered-file and pass the stream directly to its fd (disabling buffering)</span> -<span id="L803" class="LineNr">803 </span><span class="subxComment"># we'll go with the first way for now</span> -<span id="L804" class="LineNr">804 </span><span class="subxFunction">write-stream-buffered</span>: <span class="subxComment"># f : (address buffered-file), s : (address stream)</span> -<span id="L805" class="LineNr">805 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L806" class="LineNr">806 </span> 55/push-EBP -<span id="L807" class="LineNr">807 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L808" class="LineNr">808 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L809" class="LineNr">809 </span> 50/push-EAX -<span id="L810" class="LineNr">810 </span> 56/push-ESI -<span id="L811" class="LineNr">811 </span> <span class="subxComment"># ESI = s</span> -<span id="L812" class="LineNr">812 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> -<span id="L813" class="LineNr">813 </span> <span class="subxComment"># var slice/ECX = {s->data, s->data + s->write}</span> -<span id="L814" class="LineNr">814 </span> <span class="subxS1Comment"># . push s->data + s->write</span> -<span id="L815" class="LineNr">815 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EAX</span> -<span id="L816" class="LineNr">816 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to EAX</span> -<span id="L817" class="LineNr">817 </span> 50/push-EAX -<span id="L818" class="LineNr">818 </span> <span class="subxS1Comment"># . push s->data</span> -<span id="L819" class="LineNr">819 </span> 8d/copy-address 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+12 to EAX</span> -<span id="L820" class="LineNr">820 </span> 50/push-EAX -<span id="L821" class="LineNr">821 </span> <span class="subxS1Comment"># . ECX = ESP</span> -<span id="L822" class="LineNr">822 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L823" class="LineNr">823 </span> <span class="subxComment"># write-slice(f, slice)</span> -<span id="L824" class="LineNr">824 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L825" class="LineNr">825 </span> 51/push-ECX -<span id="L826" class="LineNr">826 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L827" class="LineNr">827 </span> <span class="subxS2Comment"># . . call</span> -<span id="L828" class="LineNr">828 </span> e8/call <a href='072slice.subx.html#L668'>write-slice</a>/disp32 -<span id="L829" class="LineNr">829 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L830" class="LineNr">830 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L831" class="LineNr">831 </span><span class="Constant">$write-stream-buffered:end</span>: -<span id="L832" class="LineNr">832 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L833" class="LineNr">833 </span> 5e/pop-to-ESI -<span id="L834" class="LineNr">834 </span> 58/pop-to-EAX -<span id="L835" class="LineNr">835 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L836" class="LineNr">836 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L837" class="LineNr">837 </span> 5d/pop-to-EBP -<span id="L838" class="LineNr">838 </span> c3/return -<span id="L839" class="LineNr">839 </span> -<span id="L840" class="LineNr">840 </span><span class="subxTest">test-write-stream-buffered</span>: -<span id="L841" class="LineNr">841 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L842" class="LineNr">842 </span> 55/push-EBP -<span id="L843" class="LineNr">843 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L844" class="LineNr">844 </span> <span class="subxComment"># setup</span> -<span id="L845" class="LineNr">845 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L846" class="LineNr">846 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L847" class="LineNr">847 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L848" class="LineNr">848 </span> <span class="subxS2Comment"># . . call</span> -<span id="L849" class="LineNr">849 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L850" class="LineNr">850 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L851" class="LineNr">851 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L852" class="LineNr">852 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L853" class="LineNr">853 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L854" class="LineNr">854 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L855" class="LineNr">855 </span> 05/add-to-EAX 4/imm32 -<span id="L856" class="LineNr">856 </span> 50/push-EAX -<span id="L857" class="LineNr">857 </span> <span class="subxS2Comment"># . . call</span> -<span id="L858" class="LineNr">858 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L859" class="LineNr">859 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L860" class="LineNr">860 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L861" class="LineNr">861 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> -<span id="L862" class="LineNr">862 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L863" class="LineNr">863 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L864" class="LineNr">864 </span> <span class="subxS2Comment"># . . call</span> -<span id="L865" class="LineNr">865 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L866" class="LineNr">866 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L867" class="LineNr">867 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L868" class="LineNr">868 </span> <span class="subxComment"># initialize input</span> -<span id="L869" class="LineNr">869 </span> <span class="subxS1Comment"># . write(_test-tmp-stream, "abcd")</span> -<span id="L870" class="LineNr">870 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L871" class="LineNr">871 </span> 68/push <span class="Constant">"abcd"</span>/imm32 -<span id="L872" class="LineNr">872 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L873" class="LineNr">873 </span> <span class="subxS2Comment"># . . call</span> -<span id="L874" class="LineNr">874 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L875" class="LineNr">875 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L876" class="LineNr">876 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L877" class="LineNr">877 </span> <span class="subxComment"># perform the write-stream-buffered</span> -<span id="L878" class="LineNr">878 </span> <span class="subxS1Comment"># . write-stream-buffered(_test-buffered-file, _test-tmp-stream)</span> -<span id="L879" class="LineNr">879 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L880" class="LineNr">880 </span> 68/push <a href='060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L881" class="LineNr">881 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L882" class="LineNr">882 </span> <span class="subxS2Comment"># . . call</span> -<span id="L883" class="LineNr">883 </span> e8/call <a href='072slice.subx.html#L804'>write-stream-buffered</a>/disp32 -<span id="L884" class="LineNr">884 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L885" class="LineNr">885 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L886" class="LineNr">886 </span> <span class="subxComment"># check that the write happened as expected</span> -<span id="L887" class="LineNr">887 </span> <span class="subxS1Comment"># . flush(_test-buffered-file)</span> -<span id="L888" class="LineNr">888 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L889" class="LineNr">889 </span> 68/push <a href='061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L890" class="LineNr">890 </span> <span class="subxS2Comment"># . . call</span> -<span id="L891" class="LineNr">891 </span> e8/call <a href='064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L892" class="LineNr">892 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L893" class="LineNr">893 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L894" class="LineNr">894 </span> <span class="subxS1Comment"># . check-stream-equal(_test-stream, "abcd", msg)</span> -<span id="L895" class="LineNr">895 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L896" class="LineNr">896 </span> 68/push <span class="Constant">"F - test-write-stream-buffered"</span>/imm32 -<span id="L897" class="LineNr">897 </span> 68/push <span class="Constant">"abcd"</span>/imm32 -<span id="L898" class="LineNr">898 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L899" class="LineNr">899 </span> <span class="subxS2Comment"># . . call</span> -<span id="L900" class="LineNr">900 </span> e8/call <a href='058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L901" class="LineNr">901 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L902" class="LineNr">902 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L903" class="LineNr">903 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L904" class="LineNr">904 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L905" class="LineNr">905 </span> 5d/pop-to-EBP -<span id="L906" class="LineNr">906 </span> c3/return -<span id="L907" class="LineNr">907 </span> -<span id="L908" class="LineNr">908 </span>== data -<span id="L909" class="LineNr">909 </span> -<span id="L910" class="LineNr">910 </span><span class="subxMinorFunction">_test-slice-data-0</span>: -<span id="L911" class="LineNr">911 </span> 41/A -<span id="L912" class="LineNr">912 </span><span class="subxMinorFunction">_test-slice-data-1</span>: -<span id="L913" class="LineNr">913 </span> 62/b -<span id="L914" class="LineNr">914 </span><span class="subxMinorFunction">_test-slice-data-2</span>: -<span id="L915" class="LineNr">915 </span> 63/c -<span id="L916" class="LineNr">916 </span><span class="subxMinorFunction">_test-slice-data-3</span>: -<span id="L917" class="LineNr">917 </span> 64/d -<span id="L918" class="LineNr">918 </span><span class="subxMinorFunction">_test-slice-data-4</span>: -<span id="L919" class="LineNr">919 </span> -<span id="L920" class="LineNr">920 </span><span class="subxS1Comment"># . _. vim:nowrap:textwidth=0</span> +<span id="L12" class="LineNr"> 12 </span><span class="CommentedCode">#? # syscall(exit, Num-test-failures)</span> +<span id="L13" class="LineNr"> 13 </span><span class="CommentedCode">#? 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX</span> +<span id="L14" class="LineNr"> 14 </span><span class="CommentedCode">#? b8/copy-to-EAX 1/imm32/exit</span> +<span id="L15" class="LineNr"> 15 </span><span class="CommentedCode">#? cd/syscall 0x80/imm8</span> +<span id="L16" class="LineNr"> 16 </span> +<span id="L17" class="LineNr"> 17 </span><span class="subxFunction">slice-empty?</span>: <span class="subxComment"># s : (address slice) -> EAX : boolean</span> +<span id="L18" class="LineNr"> 18 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L19" class="LineNr"> 19 </span> 55/push-EBP +<span id="L20" class="LineNr"> 20 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L21" class="LineNr"> 21 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L22" class="LineNr"> 22 </span> 51/push-ECX +<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># ECX = s</span> +<span id="L24" class="LineNr"> 24 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ECX</span> +<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># if (s->start == s->end) return true</span> +<span id="L26" class="LineNr"> 26 </span> <span class="subxS1Comment"># . EAX = s->start</span> +<span id="L27" class="LineNr"> 27 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EAX</span> +<span id="L28" class="LineNr"> 28 </span> <span class="subxS1Comment"># . compare EAX with s->end</span> +<span id="L29" class="LineNr"> 29 </span> 39/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare EAX and *(ECX+4)</span> +<span id="L30" class="LineNr"> 30 </span> b8/copy-to-EAX 1/imm32/true +<span id="L31" class="LineNr"> 31 </span> 74/jump-if-equal $slice-empty?:end/disp8 +<span id="L32" class="LineNr"> 32 </span> b8/copy-to-EAX 0/imm32/false +<span id="L33" class="LineNr"> 33 </span><span class="Constant">$slice-empty?:end</span>: +<span id="L34" class="LineNr"> 34 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L35" class="LineNr"> 35 </span> 59/pop-to-ECX +<span id="L36" class="LineNr"> 36 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L37" class="LineNr"> 37 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L38" class="LineNr"> 38 </span> 5d/pop-to-EBP +<span id="L39" class="LineNr"> 39 </span> c3/return +<span id="L40" class="LineNr"> 40 </span> +<span id="L41" class="LineNr"> 41 </span><span class="subxTest">test-slice-empty-true</span>: +<span id="L42" class="LineNr"> 42 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L43" class="LineNr"> 43 </span> 55/push-EBP +<span id="L44" class="LineNr"> 44 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L45" class="LineNr"> 45 </span> <span class="subxComment"># var slice/ECX = {34, 34}</span> +<span id="L46" class="LineNr"> 46 </span> 68/push 34/imm32/end +<span id="L47" class="LineNr"> 47 </span> 68/push 34/imm32/start +<span id="L48" class="LineNr"> 48 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># slice-empty?(slice)</span> +<span id="L50" class="LineNr"> 50 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L51" class="LineNr"> 51 </span> 51/push-ECX +<span id="L52" class="LineNr"> 52 </span> <span class="subxS2Comment"># . . call</span> +<span id="L53" class="LineNr"> 53 </span> e8/call <a href='072slice.subx.html#L17'>slice-empty?</a>/disp32 +<span id="L54" class="LineNr"> 54 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L55" class="LineNr"> 55 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L57" class="LineNr"> 57 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L58" class="LineNr"> 58 </span> 68/push <span class="Constant">"F - test-slice-empty-true"</span>/imm32 +<span id="L59" class="LineNr"> 59 </span> 68/push 1/imm32 +<span id="L60" class="LineNr"> 60 </span> 50/push-EAX +<span id="L61" class="LineNr"> 61 </span> <span class="subxS2Comment"># . . call</span> +<span id="L62" class="LineNr"> 62 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L63" class="LineNr"> 63 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L64" class="LineNr"> 64 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L65" class="LineNr"> 65 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L66" class="LineNr"> 66 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L67" class="LineNr"> 67 </span> 5d/pop-to-EBP +<span id="L68" class="LineNr"> 68 </span> c3/return +<span id="L69" class="LineNr"> 69 </span> +<span id="L70" class="LineNr"> 70 </span><span class="subxTest">test-slice-empty-false</span>: +<span id="L71" class="LineNr"> 71 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L72" class="LineNr"> 72 </span> 55/push-EBP +<span id="L73" class="LineNr"> 73 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># var slice/ECX = {34, 23}</span> +<span id="L75" class="LineNr"> 75 </span> 68/push 23/imm32/end +<span id="L76" class="LineNr"> 76 </span> 68/push 34/imm32/start +<span id="L77" class="LineNr"> 77 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># slice-empty?(slice)</span> +<span id="L79" class="LineNr"> 79 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L80" class="LineNr"> 80 </span> 51/push-ECX +<span id="L81" class="LineNr"> 81 </span> <span class="subxS2Comment"># . . call</span> +<span id="L82" class="LineNr"> 82 </span> e8/call <a href='072slice.subx.html#L17'>slice-empty?</a>/disp32 +<span id="L83" class="LineNr"> 83 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L84" class="LineNr"> 84 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L85" class="LineNr"> 85 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L86" class="LineNr"> 86 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L87" class="LineNr"> 87 </span> 68/push <span class="Constant">"F - test-slice-empty-false"</span>/imm32 +<span id="L88" class="LineNr"> 88 </span> 68/push 0/imm32 +<span id="L89" class="LineNr"> 89 </span> 50/push-EAX +<span id="L90" class="LineNr"> 90 </span> <span class="subxS2Comment"># . . call</span> +<span id="L91" class="LineNr"> 91 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L93" class="LineNr"> 93 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L94" class="LineNr"> 94 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L95" class="LineNr"> 95 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L96" class="LineNr"> 96 </span> 5d/pop-to-EBP +<span id="L97" class="LineNr"> 97 </span> c3/return +<span id="L98" class="LineNr"> 98 </span> +<span id="L99" class="LineNr"> 99 </span><span class="subxFunction">slice-equal?</span>: <span class="subxComment"># s : (address slice), p : (address string) -> EAX : boolean</span> +<span id="L100" class="LineNr">100 </span> <span class="subxComment"># pseudocode:</span> +<span id="L101" class="LineNr">101 </span> <span class="subxComment"># currs = s->start</span> +<span id="L102" class="LineNr">102 </span> <span class="subxComment"># maxs = s->end</span> +<span id="L103" class="LineNr">103 </span> <span class="subxComment"># if (maxs - currs != p->length) return false</span> +<span id="L104" class="LineNr">104 </span> <span class="subxComment"># currp = p->data</span> +<span id="L105" class="LineNr">105 </span> <span class="subxComment"># while (currs < maxs)</span> +<span id="L106" class="LineNr">106 </span> <span class="subxComment"># if (*currs != *currp) return false</span> +<span id="L107" class="LineNr">107 </span> <span class="subxComment"># ++currs</span> +<span id="L108" class="LineNr">108 </span> <span class="subxComment"># ++currp</span> +<span id="L109" class="LineNr">109 </span> <span class="subxComment"># return true</span> +<span id="L110" class="LineNr">110 </span> <span class="subxComment">#</span> +<span id="L111" class="LineNr">111 </span> <span class="subxComment"># registers:</span> +<span id="L112" class="LineNr">112 </span> <span class="subxComment"># currs: EDX</span> +<span id="L113" class="LineNr">113 </span> <span class="subxComment"># maxs: ESI</span> +<span id="L114" class="LineNr">114 </span> <span class="subxComment"># currp: EBX</span> +<span id="L115" class="LineNr">115 </span> <span class="subxComment"># *currs: EAX</span> +<span id="L116" class="LineNr">116 </span> <span class="subxComment"># *currp: ECX</span> +<span id="L117" class="LineNr">117 </span> <span class="subxComment">#</span> +<span id="L118" class="LineNr">118 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L119" class="LineNr">119 </span> 55/push-EBP +<span id="L120" class="LineNr">120 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L121" class="LineNr">121 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L122" class="LineNr">122 </span> 51/push-ECX +<span id="L123" class="LineNr">123 </span> 52/push-EDX +<span id="L124" class="LineNr">124 </span> 53/push-EBX +<span id="L125" class="LineNr">125 </span> 56/push-ESI +<span id="L126" class="LineNr">126 </span> <span class="subxComment"># ESI = s</span> +<span id="L127" class="LineNr">127 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L128" class="LineNr">128 </span> <span class="subxComment"># currs/EDX = s->start</span> +<span id="L129" class="LineNr">129 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EDX</span> +<span id="L130" class="LineNr">130 </span> <span class="subxComment"># maxs/ESI = s->end</span> +<span id="L131" class="LineNr">131 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ESI</span> +<span id="L132" class="LineNr">132 </span> <span class="subxComment"># EBX = p</span> +<span id="L133" class="LineNr">133 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EBX</span> +<span id="L134" class="LineNr">134 </span> <span class="subxComment"># EAX = maxs - currs</span> +<span id="L135" class="LineNr">135 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESI to EAX</span> +<span id="L136" class="LineNr">136 </span> 29/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EDX from EAX</span> +<span id="L137" class="LineNr">137 </span> <span class="subxComment"># if (EAX != p->length) return false</span> +<span id="L138" class="LineNr">138 </span> 39/compare 0/mod/indirect 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *EBX and EAX</span> +<span id="L139" class="LineNr">139 </span> 75/jump-if-not-equal $slice-equal?:false/disp8 +<span id="L140" class="LineNr">140 </span> <span class="subxComment"># currp/EBX = p->data</span> +<span id="L141" class="LineNr">141 </span> 81 0/subop/add 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to EBX</span> +<span id="L142" class="LineNr">142 </span> <span class="subxComment"># EAX = ECX = 0</span> +<span id="L143" class="LineNr">143 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L144" class="LineNr">144 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> +<span id="L145" class="LineNr">145 </span><span class="Constant">$slice-equal?:loop</span>: +<span id="L146" class="LineNr">146 </span> <span class="subxComment"># if (currs >= maxs) return true</span> +<span id="L147" class="LineNr">147 </span> 39/compare 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDX and ESI</span> +<span id="L148" class="LineNr">148 </span> 7d/jump-if-greater-or-equal $slice-equal?:true/disp8 +<span id="L149" class="LineNr">149 </span> <span class="subxComment"># AL = *currp</span> +<span id="L150" class="LineNr">150 </span> 8a/copy-byte 0/mod/indirect 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EBX to AL</span> +<span id="L151" class="LineNr">151 </span> <span class="subxComment"># CL = *currs</span> +<span id="L152" class="LineNr">152 </span> 8a/copy-byte 0/mod/indirect 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/CL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EDX to CL</span> +<span id="L153" class="LineNr">153 </span> <span class="subxComment"># if (EAX != ECX) return false</span> +<span id="L154" class="LineNr">154 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and ECX</span> +<span id="L155" class="LineNr">155 </span> 75/jump-if-not-equal $slice-equal?:false/disp8 +<span id="L156" class="LineNr">156 </span> <span class="subxComment"># ++currp</span> +<span id="L157" class="LineNr">157 </span> 43/increment-EBX +<span id="L158" class="LineNr">158 </span> <span class="subxComment"># ++currs</span> +<span id="L159" class="LineNr">159 </span> 42/increment-EDX +<span id="L160" class="LineNr">160 </span> eb/jump $slice-equal?:loop/disp8 +<span id="L161" class="LineNr">161 </span><span class="Constant">$slice-equal?:false</span>: +<span id="L162" class="LineNr">162 </span> b8/copy-to-EAX 0/imm32 +<span id="L163" class="LineNr">163 </span> eb/jump $slice-equal?:end/disp8 +<span id="L164" class="LineNr">164 </span><span class="Constant">$slice-equal?:true</span>: +<span id="L165" class="LineNr">165 </span> b8/copy-to-EAX 1/imm32 +<span id="L166" class="LineNr">166 </span><span class="Constant">$slice-equal?:end</span>: +<span id="L167" class="LineNr">167 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L168" class="LineNr">168 </span> 5e/pop-to-ESI +<span id="L169" class="LineNr">169 </span> 5b/pop-to-EBX +<span id="L170" class="LineNr">170 </span> 5a/pop-to-EDX +<span id="L171" class="LineNr">171 </span> 59/pop-to-ECX +<span id="L172" class="LineNr">172 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L173" class="LineNr">173 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L174" class="LineNr">174 </span> 5d/pop-to-EBP +<span id="L175" class="LineNr">175 </span> c3/return +<span id="L176" class="LineNr">176 </span> +<span id="L177" class="LineNr">177 </span><span class="subxTest">test-slice-equal</span>: +<span id="L178" class="LineNr">178 </span> <span class="subxH1Comment"># - slice-equal?(slice("Abc"), "Abc") == 1</span> +<span id="L179" class="LineNr">179 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L180" class="LineNr">180 </span> 55/push-EBP +<span id="L181" class="LineNr">181 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L182" class="LineNr">182 </span> <span class="subxComment"># var slice/ECX</span> +<span id="L183" class="LineNr">183 </span> 68/push <a href='072slice.subx.html#L915'>_test-slice-data-3</a>/imm32/end +<span id="L184" class="LineNr">184 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/start +<span id="L185" class="LineNr">185 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L186" class="LineNr">186 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "Abc")</span> +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L188" class="LineNr">188 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L189" class="LineNr">189 </span> 51/push-ECX +<span id="L190" class="LineNr">190 </span> <span class="subxS2Comment"># . . call</span> +<span id="L191" class="LineNr">191 </span> e8/call <a href='072slice.subx.html#L99'>slice-equal?</a>/disp32 +<span id="L192" class="LineNr">192 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L193" class="LineNr">193 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L194" class="LineNr">194 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L195" class="LineNr">195 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L196" class="LineNr">196 </span> 68/push <span class="Constant">"F - test-slice-equal"</span>/imm32 +<span id="L197" class="LineNr">197 </span> 68/push 1/imm32 +<span id="L198" class="LineNr">198 </span> 50/push-EAX +<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . call</span> +<span id="L200" class="LineNr">200 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L201" class="LineNr">201 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L202" class="LineNr">202 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L203" class="LineNr">203 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L204" class="LineNr">204 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L205" class="LineNr">205 </span> 5d/pop-to-EBP +<span id="L206" class="LineNr">206 </span> c3/return +<span id="L207" class="LineNr">207 </span> +<span id="L208" class="LineNr">208 </span><span class="subxTest">test-slice-equal-false</span>: +<span id="L209" class="LineNr">209 </span> <span class="subxH1Comment"># - slice-equal?(slice("bcd"), "Abc") == 0</span> +<span id="L210" class="LineNr">210 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L211" class="LineNr">211 </span> 55/push-EBP +<span id="L212" class="LineNr">212 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L213" class="LineNr">213 </span> <span class="subxComment"># var slice/ECX</span> +<span id="L214" class="LineNr">214 </span> 68/push <a href='072slice.subx.html#L917'>_test-slice-data-4</a>/imm32/end +<span id="L215" class="LineNr">215 </span> 68/push <a href='072slice.subx.html#L911'>_test-slice-data-1</a>/imm32/start +<span id="L216" class="LineNr">216 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L217" class="LineNr">217 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "Abc")</span> +<span id="L218" class="LineNr">218 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L219" class="LineNr">219 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L220" class="LineNr">220 </span> 51/push-ECX +<span id="L221" class="LineNr">221 </span> <span class="subxS2Comment"># . . call</span> +<span id="L222" class="LineNr">222 </span> e8/call <a href='072slice.subx.html#L99'>slice-equal?</a>/disp32 +<span id="L223" class="LineNr">223 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L224" class="LineNr">224 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L225" class="LineNr">225 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L226" class="LineNr">226 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L227" class="LineNr">227 </span> 68/push <span class="Constant">"F - test-slice-equal-false"</span>/imm32 +<span id="L228" class="LineNr">228 </span> 68/push 0/imm32 +<span id="L229" class="LineNr">229 </span> 50/push-EAX +<span id="L230" class="LineNr">230 </span> <span class="subxS2Comment"># . . call</span> +<span id="L231" class="LineNr">231 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L232" class="LineNr">232 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L233" class="LineNr">233 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L234" class="LineNr">234 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L235" class="LineNr">235 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L236" class="LineNr">236 </span> 5d/pop-to-EBP +<span id="L237" class="LineNr">237 </span> c3/return +<span id="L238" class="LineNr">238 </span> +<span id="L239" class="LineNr">239 </span><span class="subxTest">test-slice-equal-too-long</span>: +<span id="L240" class="LineNr">240 </span> <span class="subxH1Comment"># - slice-equal?(slice("Abcd"), "Abc") == 0</span> +<span id="L241" class="LineNr">241 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L242" class="LineNr">242 </span> 55/push-EBP +<span id="L243" class="LineNr">243 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L244" class="LineNr">244 </span> <span class="subxComment"># var slice/ECX</span> +<span id="L245" class="LineNr">245 </span> 68/push <a href='072slice.subx.html#L917'>_test-slice-data-4</a>/imm32/end +<span id="L246" class="LineNr">246 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/start +<span id="L247" class="LineNr">247 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L248" class="LineNr">248 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "Abc")</span> +<span id="L249" class="LineNr">249 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L250" class="LineNr">250 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L251" class="LineNr">251 </span> 51/push-ECX +<span id="L252" class="LineNr">252 </span> <span class="subxS2Comment"># . . call</span> +<span id="L253" class="LineNr">253 </span> e8/call <a href='072slice.subx.html#L99'>slice-equal?</a>/disp32 +<span id="L254" class="LineNr">254 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L255" class="LineNr">255 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L256" class="LineNr">256 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L257" class="LineNr">257 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L258" class="LineNr">258 </span> 68/push <span class="Constant">"F - test-slice-equal-too-long"</span>/imm32 +<span id="L259" class="LineNr">259 </span> 68/push 0/imm32 +<span id="L260" class="LineNr">260 </span> 50/push-EAX +<span id="L261" class="LineNr">261 </span> <span class="subxS2Comment"># . . call</span> +<span id="L262" class="LineNr">262 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L263" class="LineNr">263 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L264" class="LineNr">264 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L265" class="LineNr">265 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L266" class="LineNr">266 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L267" class="LineNr">267 </span> 5d/pop-to-EBP +<span id="L268" class="LineNr">268 </span> c3/return +<span id="L269" class="LineNr">269 </span> +<span id="L270" class="LineNr">270 </span><span class="subxTest">test-slice-equal-too-short</span>: +<span id="L271" class="LineNr">271 </span> <span class="subxH1Comment"># - slice-equal?(slice("A"), "Abc") == 0</span> +<span id="L272" class="LineNr">272 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L273" class="LineNr">273 </span> 55/push-EBP +<span id="L274" class="LineNr">274 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L275" class="LineNr">275 </span> <span class="subxComment"># var slice/ECX</span> +<span id="L276" class="LineNr">276 </span> 68/push <a href='072slice.subx.html#L911'>_test-slice-data-1</a>/imm32/end +<span id="L277" class="LineNr">277 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/start +<span id="L278" class="LineNr">278 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L279" class="LineNr">279 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "Abc")</span> +<span id="L280" class="LineNr">280 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L281" class="LineNr">281 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L282" class="LineNr">282 </span> 51/push-ECX +<span id="L283" class="LineNr">283 </span> <span class="subxS2Comment"># . . call</span> +<span id="L284" class="LineNr">284 </span> e8/call <a href='072slice.subx.html#L99'>slice-equal?</a>/disp32 +<span id="L285" class="LineNr">285 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L286" class="LineNr">286 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L287" class="LineNr">287 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L288" class="LineNr">288 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L289" class="LineNr">289 </span> 68/push <span class="Constant">"F - test-slice-equal-too-short"</span>/imm32 +<span id="L290" class="LineNr">290 </span> 68/push 0/imm32 +<span id="L291" class="LineNr">291 </span> 50/push-EAX +<span id="L292" class="LineNr">292 </span> <span class="subxS2Comment"># . . call</span> +<span id="L293" class="LineNr">293 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L294" class="LineNr">294 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L295" class="LineNr">295 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L296" class="LineNr">296 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L297" class="LineNr">297 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L298" class="LineNr">298 </span> 5d/pop-to-EBP +<span id="L299" class="LineNr">299 </span> c3/return +<span id="L300" class="LineNr">300 </span> +<span id="L301" class="LineNr">301 </span><span class="subxTest">test-slice-equal-empty</span>: +<span id="L302" class="LineNr">302 </span> <span class="subxH1Comment"># - slice-equal?(slice(""), "Abc") == 0</span> +<span id="L303" class="LineNr">303 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L304" class="LineNr">304 </span> 55/push-EBP +<span id="L305" class="LineNr">305 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L306" class="LineNr">306 </span> <span class="subxComment"># var slice/ECX</span> +<span id="L307" class="LineNr">307 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/end +<span id="L308" class="LineNr">308 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/start +<span id="L309" class="LineNr">309 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L310" class="LineNr">310 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "Abc")</span> +<span id="L311" class="LineNr">311 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L312" class="LineNr">312 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L313" class="LineNr">313 </span> 51/push-ECX +<span id="L314" class="LineNr">314 </span> <span class="subxS2Comment"># . . call</span> +<span id="L315" class="LineNr">315 </span> e8/call <a href='072slice.subx.html#L99'>slice-equal?</a>/disp32 +<span id="L316" class="LineNr">316 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L317" class="LineNr">317 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L318" class="LineNr">318 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L319" class="LineNr">319 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L320" class="LineNr">320 </span> 68/push <span class="Constant">"F - test-slice-equal-empty"</span>/imm32 +<span id="L321" class="LineNr">321 </span> 68/push 0/imm32 +<span id="L322" class="LineNr">322 </span> 50/push-EAX +<span id="L323" class="LineNr">323 </span> <span class="subxS2Comment"># . . call</span> +<span id="L324" class="LineNr">324 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L325" class="LineNr">325 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L326" class="LineNr">326 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L327" class="LineNr">327 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L328" class="LineNr">328 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L329" class="LineNr">329 </span> 5d/pop-to-EBP +<span id="L330" class="LineNr">330 </span> c3/return +<span id="L331" class="LineNr">331 </span> +<span id="L332" class="LineNr">332 </span><span class="subxTest">test-slice-equal-with-empty</span>: +<span id="L333" class="LineNr">333 </span> <span class="subxH1Comment"># - slice-equal?(slice("Ab"), "") == 0</span> +<span id="L334" class="LineNr">334 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L335" class="LineNr">335 </span> 55/push-EBP +<span id="L336" class="LineNr">336 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L337" class="LineNr">337 </span> <span class="subxComment"># var slice/ECX</span> +<span id="L338" class="LineNr">338 </span> 68/push <a href='072slice.subx.html#L913'>_test-slice-data-2</a>/imm32/end +<span id="L339" class="LineNr">339 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/start +<span id="L340" class="LineNr">340 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L341" class="LineNr">341 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "")</span> +<span id="L342" class="LineNr">342 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L343" class="LineNr">343 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L344" class="LineNr">344 </span> 51/push-ECX +<span id="L345" class="LineNr">345 </span> <span class="subxS2Comment"># . . call</span> +<span id="L346" class="LineNr">346 </span> e8/call <a href='072slice.subx.html#L99'>slice-equal?</a>/disp32 +<span id="L347" class="LineNr">347 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L348" class="LineNr">348 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L349" class="LineNr">349 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L350" class="LineNr">350 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L351" class="LineNr">351 </span> 68/push <span class="Constant">"F - test-slice-equal-with-empty"</span>/imm32 +<span id="L352" class="LineNr">352 </span> 68/push 0/imm32 +<span id="L353" class="LineNr">353 </span> 50/push-EAX +<span id="L354" class="LineNr">354 </span> <span class="subxS2Comment"># . . call</span> +<span id="L355" class="LineNr">355 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L356" class="LineNr">356 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L357" class="LineNr">357 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L358" class="LineNr">358 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L359" class="LineNr">359 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L360" class="LineNr">360 </span> 5d/pop-to-EBP +<span id="L361" class="LineNr">361 </span> c3/return +<span id="L362" class="LineNr">362 </span> +<span id="L363" class="LineNr">363 </span><span class="subxTest">test-slice-equal-empty-with-empty</span>: +<span id="L364" class="LineNr">364 </span> <span class="subxH1Comment"># - slice-equal?(slice(""), "") == 1</span> +<span id="L365" class="LineNr">365 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L366" class="LineNr">366 </span> 55/push-EBP +<span id="L367" class="LineNr">367 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L368" class="LineNr">368 </span> <span class="subxComment"># var slice/ECX</span> +<span id="L369" class="LineNr">369 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/end +<span id="L370" class="LineNr">370 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/start +<span id="L371" class="LineNr">371 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L372" class="LineNr">372 </span> <span class="subxComment"># EAX = slice-equal?(ECX, "")</span> +<span id="L373" class="LineNr">373 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L374" class="LineNr">374 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L375" class="LineNr">375 </span> 51/push-ECX +<span id="L376" class="LineNr">376 </span> <span class="subxS2Comment"># . . call</span> +<span id="L377" class="LineNr">377 </span> e8/call <a href='072slice.subx.html#L99'>slice-equal?</a>/disp32 +<span id="L378" class="LineNr">378 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L379" class="LineNr">379 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L380" class="LineNr">380 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L381" class="LineNr">381 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L382" class="LineNr">382 </span> 68/push <span class="Constant">"F - test-slice-equal-empty-with-empty"</span>/imm32 +<span id="L383" class="LineNr">383 </span> 68/push 1/imm32 +<span id="L384" class="LineNr">384 </span> 50/push-EAX +<span id="L385" class="LineNr">385 </span> <span class="subxS2Comment"># . . call</span> +<span id="L386" class="LineNr">386 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L387" class="LineNr">387 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L388" class="LineNr">388 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L389" class="LineNr">389 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L390" class="LineNr">390 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L391" class="LineNr">391 </span> 5d/pop-to-EBP +<span id="L392" class="LineNr">392 </span> c3/return +<span id="L393" class="LineNr">393 </span> +<span id="L394" class="LineNr">394 </span><span class="subxFunction">slice-starts-with?</span>: <span class="subxComment"># s : (address slice), head : (address string) -> EAX : boolean</span> +<span id="L395" class="LineNr">395 </span> <span class="subxComment"># pseudocode</span> +<span id="L396" class="LineNr">396 </span> <span class="subxComment"># lenh = head->length</span> +<span id="L397" class="LineNr">397 </span> <span class="subxComment"># if (lenh > s->end - s->start) return false</span> +<span id="L398" class="LineNr">398 </span> <span class="subxComment"># i = 0</span> +<span id="L399" class="LineNr">399 </span> <span class="subxComment"># currs = s->start</span> +<span id="L400" class="LineNr">400 </span> <span class="subxComment"># currp = head->data</span> +<span id="L401" class="LineNr">401 </span> <span class="subxComment"># while i < lenh</span> +<span id="L402" class="LineNr">402 </span> <span class="subxComment"># if (*currs != *currh) return false</span> +<span id="L403" class="LineNr">403 </span> <span class="subxComment"># ++i</span> +<span id="L404" class="LineNr">404 </span> <span class="subxComment"># ++currs</span> +<span id="L405" class="LineNr">405 </span> <span class="subxComment"># ++currh</span> +<span id="L406" class="LineNr">406 </span> <span class="subxComment"># return true</span> +<span id="L407" class="LineNr">407 </span> <span class="subxComment">#</span> +<span id="L408" class="LineNr">408 </span> <span class="subxComment"># registers:</span> +<span id="L409" class="LineNr">409 </span> <span class="subxComment"># currs: ESI</span> +<span id="L410" class="LineNr">410 </span> <span class="subxComment"># currh: EDI</span> +<span id="L411" class="LineNr">411 </span> <span class="subxComment"># *currs: EAX</span> +<span id="L412" class="LineNr">412 </span> <span class="subxComment"># *currh: EBX</span> +<span id="L413" class="LineNr">413 </span> <span class="subxComment"># i: ECX</span> +<span id="L414" class="LineNr">414 </span> <span class="subxComment"># lenh: EDX</span> +<span id="L415" class="LineNr">415 </span> <span class="subxComment">#</span> +<span id="L416" class="LineNr">416 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L417" class="LineNr">417 </span> 55/push-EBP +<span id="L418" class="LineNr">418 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L419" class="LineNr">419 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L420" class="LineNr">420 </span> 51/push-ECX +<span id="L421" class="LineNr">421 </span> 52/push-EDX +<span id="L422" class="LineNr">422 </span> 53/push-EBX +<span id="L423" class="LineNr">423 </span> 56/push-ESI +<span id="L424" class="LineNr">424 </span> 57/push-EDI +<span id="L425" class="LineNr">425 </span> <span class="subxComment"># ESI = s</span> +<span id="L426" class="LineNr">426 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L427" class="LineNr">427 </span> <span class="subxComment"># ECX = s->end - s->start</span> +<span id="L428" class="LineNr">428 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> +<span id="L429" class="LineNr">429 </span> 2b/subtract 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *ESI from ECX</span> +<span id="L430" class="LineNr">430 </span> <span class="subxComment"># EDI = head</span> +<span id="L431" class="LineNr">431 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> +<span id="L432" class="LineNr">432 </span> <span class="subxComment"># lenh/EDX = head->length</span> +<span id="L433" class="LineNr">433 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to EDX</span> +<span id="L434" class="LineNr">434 </span> <span class="subxComment"># if (lenh > s->end - s->start) return false</span> +<span id="L435" class="LineNr">435 </span> 39/compare 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDX with ECX</span> +<span id="L436" class="LineNr">436 </span> 7f/jump-if-greater $slice-starts-with?:false/disp8 +<span id="L437" class="LineNr">437 </span> <span class="subxComment"># currs/ESI = s->start</span> +<span id="L438" class="LineNr">438 </span> 8b/subtract 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to ESI</span> +<span id="L439" class="LineNr">439 </span> <span class="subxComment"># currh/EDI = head->data</span> +<span id="L440" class="LineNr">440 </span> 81 0/subop/add 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to EDI</span> +<span id="L441" class="LineNr">441 </span> <span class="subxComment"># i/ECX = 0</span> +<span id="L442" class="LineNr">442 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> +<span id="L443" class="LineNr">443 </span> <span class="subxComment"># EAX = EBX = 0</span> +<span id="L444" class="LineNr">444 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L445" class="LineNr">445 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> +<span id="L446" class="LineNr">446 </span><span class="Constant">$slice-starts-with?:loop</span>: +<span id="L447" class="LineNr">447 </span> <span class="subxComment"># if (i >= lenh) return true</span> +<span id="L448" class="LineNr">448 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EDX</span> +<span id="L449" class="LineNr">449 </span> 7d/jump-if-greater-or-equal $slice-starts-with?:true/disp8 +<span id="L450" class="LineNr">450 </span> <span class="subxComment"># AL = *currs</span> +<span id="L451" class="LineNr">451 </span> 8a/copy-byte 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ESI to AL</span> +<span id="L452" class="LineNr">452 </span> <span class="subxComment"># BL = *currh</span> +<span id="L453" class="LineNr">453 </span> 8a/copy-byte 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EDI to BL</span> +<span id="L454" class="LineNr">454 </span> <span class="subxComment"># if (*currs != *currh) return false</span> +<span id="L455" class="LineNr">455 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and EBX</span> +<span id="L456" class="LineNr">456 </span> 75/jump-if-not-equal $slice-starts-with?:false/disp8 +<span id="L457" class="LineNr">457 </span> <span class="subxComment"># ++i</span> +<span id="L458" class="LineNr">458 </span> 41/increment-ECX +<span id="L459" class="LineNr">459 </span> <span class="subxComment"># ++currs</span> +<span id="L460" class="LineNr">460 </span> 46/increment-ESI +<span id="L461" class="LineNr">461 </span> <span class="subxComment"># ++currh</span> +<span id="L462" class="LineNr">462 </span> 47/increment-EDI +<span id="L463" class="LineNr">463 </span> eb/jump $slice-starts-with?:loop/disp8 +<span id="L464" class="LineNr">464 </span><span class="Constant">$slice-starts-with?:true</span>: +<span id="L465" class="LineNr">465 </span> b8/copy-to-EAX 1/imm32 +<span id="L466" class="LineNr">466 </span> eb/jump $slice-starts-with?:end/disp8 +<span id="L467" class="LineNr">467 </span><span class="Constant">$slice-starts-with?:false</span>: +<span id="L468" class="LineNr">468 </span> b8/copy-to-EAX 0/imm32 +<span id="L469" class="LineNr">469 </span><span class="Constant">$slice-starts-with?:end</span>: +<span id="L470" class="LineNr">470 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L471" class="LineNr">471 </span> 5f/pop-to-EDI +<span id="L472" class="LineNr">472 </span> 5e/pop-to-ESI +<span id="L473" class="LineNr">473 </span> 5b/pop-to-EBX +<span id="L474" class="LineNr">474 </span> 5a/pop-to-EDX +<span id="L475" class="LineNr">475 </span> 59/pop-to-ECX +<span id="L476" class="LineNr">476 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L477" class="LineNr">477 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L478" class="LineNr">478 </span> 5d/pop-to-EBP +<span id="L479" class="LineNr">479 </span> c3/return +<span id="L480" class="LineNr">480 </span> +<span id="L481" class="LineNr">481 </span><span class="subxTest">test-slice-starts-with-single-character</span>: +<span id="L482" class="LineNr">482 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "A") == 1</span> +<span id="L483" class="LineNr">483 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L484" class="LineNr">484 </span> 55/push-EBP +<span id="L485" class="LineNr">485 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L486" class="LineNr">486 </span> <span class="subxComment"># var slice/ECX</span> +<span id="L487" class="LineNr">487 </span> 68/push <a href='072slice.subx.html#L915'>_test-slice-data-3</a>/imm32/end +<span id="L488" class="LineNr">488 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/start +<span id="L489" class="LineNr">489 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L490" class="LineNr">490 </span> <span class="subxComment"># EAX = slice-starts-with?(ECX, "A")</span> +<span id="L491" class="LineNr">491 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L492" class="LineNr">492 </span> 68/push <span class="Constant">"A"</span>/imm32 +<span id="L493" class="LineNr">493 </span> 51/push-ECX +<span id="L494" class="LineNr">494 </span> <span class="subxS2Comment"># . . call</span> +<span id="L495" class="LineNr">495 </span> e8/call <a href='072slice.subx.html#L394'>slice-starts-with?</a>/disp32 +<span id="L496" class="LineNr">496 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L497" class="LineNr">497 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L498" class="LineNr">498 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L499" class="LineNr">499 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L500" class="LineNr">500 </span> 68/push <span class="Constant">"F - test-slice-starts-with-single-character"</span>/imm32 +<span id="L501" class="LineNr">501 </span> 68/push 1/imm32 +<span id="L502" class="LineNr">502 </span> 50/push-EAX +<span id="L503" class="LineNr">503 </span> <span class="subxS2Comment"># . . call</span> +<span id="L504" class="LineNr">504 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L505" class="LineNr">505 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L506" class="LineNr">506 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L507" class="LineNr">507 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L508" class="LineNr">508 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L509" class="LineNr">509 </span> 5d/pop-to-EBP +<span id="L510" class="LineNr">510 </span> c3/return +<span id="L511" class="LineNr">511 </span> +<span id="L512" class="LineNr">512 </span><span class="subxTest">test-slice-starts-with-empty-string</span>: +<span id="L513" class="LineNr">513 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "") == 1</span> +<span id="L514" class="LineNr">514 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L515" class="LineNr">515 </span> 55/push-EBP +<span id="L516" class="LineNr">516 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L517" class="LineNr">517 </span> <span class="subxComment"># var slice/ECX</span> +<span id="L518" class="LineNr">518 </span> 68/push <a href='072slice.subx.html#L915'>_test-slice-data-3</a>/imm32/end +<span id="L519" class="LineNr">519 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/start +<span id="L520" class="LineNr">520 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L521" class="LineNr">521 </span> <span class="subxComment"># EAX = slice-starts-with?(ECX, "")</span> +<span id="L522" class="LineNr">522 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L523" class="LineNr">523 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L524" class="LineNr">524 </span> 51/push-ECX +<span id="L525" class="LineNr">525 </span> <span class="subxS2Comment"># . . call</span> +<span id="L526" class="LineNr">526 </span> e8/call <a href='072slice.subx.html#L394'>slice-starts-with?</a>/disp32 +<span id="L527" class="LineNr">527 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L528" class="LineNr">528 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L529" class="LineNr">529 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L530" class="LineNr">530 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L531" class="LineNr">531 </span> 68/push <span class="Constant">"F - test-slice-starts-with-empty-string"</span>/imm32 +<span id="L532" class="LineNr">532 </span> 68/push 1/imm32 +<span id="L533" class="LineNr">533 </span> 50/push-EAX +<span id="L534" class="LineNr">534 </span> <span class="subxS2Comment"># . . call</span> +<span id="L535" class="LineNr">535 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L536" class="LineNr">536 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L537" class="LineNr">537 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L538" class="LineNr">538 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L539" class="LineNr">539 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L540" class="LineNr">540 </span> 5d/pop-to-EBP +<span id="L541" class="LineNr">541 </span> c3/return +<span id="L542" class="LineNr">542 </span> +<span id="L543" class="LineNr">543 </span><span class="subxTest">test-slice-starts-with-multiple-characters</span>: +<span id="L544" class="LineNr">544 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "Ab") == 1</span> +<span id="L545" class="LineNr">545 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L546" class="LineNr">546 </span> 55/push-EBP +<span id="L547" class="LineNr">547 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L548" class="LineNr">548 </span> <span class="subxComment"># var slice/ECX</span> +<span id="L549" class="LineNr">549 </span> 68/push <a href='072slice.subx.html#L915'>_test-slice-data-3</a>/imm32/end +<span id="L550" class="LineNr">550 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/start +<span id="L551" class="LineNr">551 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L552" class="LineNr">552 </span> <span class="subxComment"># EAX = slice-starts-with?(ECX, "Ab")</span> +<span id="L553" class="LineNr">553 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L554" class="LineNr">554 </span> 68/push <span class="Constant">"Ab"</span>/imm32 +<span id="L555" class="LineNr">555 </span> 51/push-ECX +<span id="L556" class="LineNr">556 </span> <span class="subxS2Comment"># . . call</span> +<span id="L557" class="LineNr">557 </span> e8/call <a href='072slice.subx.html#L394'>slice-starts-with?</a>/disp32 +<span id="L558" class="LineNr">558 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L559" class="LineNr">559 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L560" class="LineNr">560 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L561" class="LineNr">561 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L562" class="LineNr">562 </span> 68/push <span class="Constant">"F - test-slice-starts-with-multiple-characters"</span>/imm32 +<span id="L563" class="LineNr">563 </span> 68/push 1/imm32 +<span id="L564" class="LineNr">564 </span> 50/push-EAX +<span id="L565" class="LineNr">565 </span> <span class="subxS2Comment"># . . call</span> +<span id="L566" class="LineNr">566 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L567" class="LineNr">567 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L568" class="LineNr">568 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L569" class="LineNr">569 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L570" class="LineNr">570 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L571" class="LineNr">571 </span> 5d/pop-to-EBP +<span id="L572" class="LineNr">572 </span> c3/return +<span id="L573" class="LineNr">573 </span> +<span id="L574" class="LineNr">574 </span><span class="subxTest">test-slice-starts-with-entire-string</span>: +<span id="L575" class="LineNr">575 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "Abc") == 1</span> +<span id="L576" class="LineNr">576 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L577" class="LineNr">577 </span> 55/push-EBP +<span id="L578" class="LineNr">578 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L579" class="LineNr">579 </span> <span class="subxComment"># var slice/ECX</span> +<span id="L580" class="LineNr">580 </span> 68/push <a href='072slice.subx.html#L915'>_test-slice-data-3</a>/imm32/end +<span id="L581" class="LineNr">581 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/start +<span id="L582" class="LineNr">582 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L583" class="LineNr">583 </span> <span class="subxComment"># EAX = slice-starts-with?(ECX, "Abc")</span> +<span id="L584" class="LineNr">584 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L585" class="LineNr">585 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L586" class="LineNr">586 </span> 51/push-ECX +<span id="L587" class="LineNr">587 </span> <span class="subxS2Comment"># . . call</span> +<span id="L588" class="LineNr">588 </span> e8/call <a href='072slice.subx.html#L394'>slice-starts-with?</a>/disp32 +<span id="L589" class="LineNr">589 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L590" class="LineNr">590 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L591" class="LineNr">591 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L592" class="LineNr">592 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L593" class="LineNr">593 </span> 68/push <span class="Constant">"F - test-slice-starts-with-entire-string"</span>/imm32 +<span id="L594" class="LineNr">594 </span> 68/push 1/imm32 +<span id="L595" class="LineNr">595 </span> 50/push-EAX +<span id="L596" class="LineNr">596 </span> <span class="subxS2Comment"># . . call</span> +<span id="L597" class="LineNr">597 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L598" class="LineNr">598 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L599" class="LineNr">599 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L600" class="LineNr">600 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L601" class="LineNr">601 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L602" class="LineNr">602 </span> 5d/pop-to-EBP +<span id="L603" class="LineNr">603 </span> c3/return +<span id="L604" class="LineNr">604 </span> +<span id="L605" class="LineNr">605 </span><span class="subxTest">test-slice-starts-with-fails</span>: +<span id="L606" class="LineNr">606 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "Abd") == 1</span> +<span id="L607" class="LineNr">607 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L608" class="LineNr">608 </span> 55/push-EBP +<span id="L609" class="LineNr">609 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L610" class="LineNr">610 </span> <span class="subxComment"># var slice/ECX</span> +<span id="L611" class="LineNr">611 </span> 68/push <a href='072slice.subx.html#L915'>_test-slice-data-3</a>/imm32/end +<span id="L612" class="LineNr">612 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/start +<span id="L613" class="LineNr">613 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L614" class="LineNr">614 </span> <span class="subxComment"># EAX = slice-starts-with?(ECX, "Abd")</span> +<span id="L615" class="LineNr">615 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L616" class="LineNr">616 </span> 68/push <span class="Constant">"Abd"</span>/imm32 +<span id="L617" class="LineNr">617 </span> 51/push-ECX +<span id="L618" class="LineNr">618 </span> <span class="subxS2Comment"># . . call</span> +<span id="L619" class="LineNr">619 </span> e8/call <a href='072slice.subx.html#L394'>slice-starts-with?</a>/disp32 +<span id="L620" class="LineNr">620 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L621" class="LineNr">621 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L622" class="LineNr">622 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L623" class="LineNr">623 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L624" class="LineNr">624 </span> 68/push <span class="Constant">"F - test-slice-starts-with-fails"</span>/imm32 +<span id="L625" class="LineNr">625 </span> 68/push 0/imm32 +<span id="L626" class="LineNr">626 </span> 50/push-EAX +<span id="L627" class="LineNr">627 </span> <span class="subxS2Comment"># . . call</span> +<span id="L628" class="LineNr">628 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L629" class="LineNr">629 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L630" class="LineNr">630 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L631" class="LineNr">631 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L632" class="LineNr">632 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L633" class="LineNr">633 </span> 5d/pop-to-EBP +<span id="L634" class="LineNr">634 </span> c3/return +<span id="L635" class="LineNr">635 </span> +<span id="L636" class="LineNr">636 </span><span class="subxTest">test-slice-starts-with-fails-2</span>: +<span id="L637" class="LineNr">637 </span> <span class="subxH1Comment"># - slice-starts-with?(slice("Abc"), "Ac") == 1</span> +<span id="L638" class="LineNr">638 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L639" class="LineNr">639 </span> 55/push-EBP +<span id="L640" class="LineNr">640 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L641" class="LineNr">641 </span> <span class="subxComment"># var slice/ECX</span> +<span id="L642" class="LineNr">642 </span> 68/push <a href='072slice.subx.html#L915'>_test-slice-data-3</a>/imm32/end +<span id="L643" class="LineNr">643 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/start +<span id="L644" class="LineNr">644 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L645" class="LineNr">645 </span> <span class="subxComment"># EAX = slice-starts-with?(ECX, "Ac")</span> +<span id="L646" class="LineNr">646 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L647" class="LineNr">647 </span> 68/push <span class="Constant">"Ac"</span>/imm32 +<span id="L648" class="LineNr">648 </span> 51/push-ECX +<span id="L649" class="LineNr">649 </span> <span class="subxS2Comment"># . . call</span> +<span id="L650" class="LineNr">650 </span> e8/call <a href='072slice.subx.html#L394'>slice-starts-with?</a>/disp32 +<span id="L651" class="LineNr">651 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L652" class="LineNr">652 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L653" class="LineNr">653 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L654" class="LineNr">654 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L655" class="LineNr">655 </span> 68/push <span class="Constant">"F - test-slice-starts-with-fails-2"</span>/imm32 +<span id="L656" class="LineNr">656 </span> 68/push 0/imm32 +<span id="L657" class="LineNr">657 </span> 50/push-EAX +<span id="L658" class="LineNr">658 </span> <span class="subxS2Comment"># . . call</span> +<span id="L659" class="LineNr">659 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L660" class="LineNr">660 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L661" class="LineNr">661 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L662" class="LineNr">662 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L663" class="LineNr">663 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L664" class="LineNr">664 </span> 5d/pop-to-EBP +<span id="L665" class="LineNr">665 </span> c3/return +<span id="L666" class="LineNr">666 </span> +<span id="L667" class="LineNr">667 </span><span class="subxFunction">write-slice</span>: <span class="subxComment"># out : (address buffered-file), s : (address slice)</span> +<span id="L668" class="LineNr">668 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L669" class="LineNr">669 </span> 55/push-EBP +<span id="L670" class="LineNr">670 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L671" class="LineNr">671 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L672" class="LineNr">672 </span> 50/push-EAX +<span id="L673" class="LineNr">673 </span> 51/push-ECX +<span id="L674" class="LineNr">674 </span> 52/push-EDX +<span id="L675" class="LineNr">675 </span> 53/push-EBX +<span id="L676" class="LineNr">676 </span> 56/push-ESI +<span id="L677" class="LineNr">677 </span> 57/push-EDI +<span id="L678" class="LineNr">678 </span> <span class="subxComment"># ESI = s</span> +<span id="L679" class="LineNr">679 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> +<span id="L680" class="LineNr">680 </span> <span class="subxComment"># curr/ECX = s->start</span> +<span id="L681" class="LineNr">681 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to ECX</span> +<span id="L682" class="LineNr">682 </span> <span class="subxComment"># max/ESI = s->end</span> +<span id="L683" class="LineNr">683 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ESI</span> +<span id="L684" class="LineNr">684 </span> <span class="subxComment"># EDI = f</span> +<span id="L685" class="LineNr">685 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> +<span id="L686" class="LineNr">686 </span> <span class="subxComment"># EDX = f->length</span> +<span id="L687" class="LineNr">687 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+12) to EDX</span> +<span id="L688" class="LineNr">688 </span> <span class="subxComment"># EBX = f->write</span> +<span id="L689" class="LineNr">689 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to EBX</span> +<span id="L690" class="LineNr">690 </span><span class="Constant">$write-slice:loop</span>: +<span id="L691" class="LineNr">691 </span> <span class="subxComment"># if (curr >= max) break</span> +<span id="L692" class="LineNr">692 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with ESI</span> +<span id="L693" class="LineNr">693 </span> 7d/jump-if-greater-or-equal $write-slice:loop-end/disp8 +<span id="L694" class="LineNr">694 </span> <span class="subxComment"># if (f->write >= f->length) flush and clear f's stream</span> +<span id="L695" class="LineNr">695 </span> 39/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EBX with EDX</span> +<span id="L696" class="LineNr">696 </span> 7c/jump-if-lesser $write-slice:to-stream/disp8 +<span id="L697" class="LineNr">697 </span> <span class="subxS1Comment"># . persist f->write</span> +<span id="L698" class="LineNr">698 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EBX to *(EDI+4)</span> +<span id="L699" class="LineNr">699 </span> <span class="subxS1Comment"># . flush(f)</span> +<span id="L700" class="LineNr">700 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L701" class="LineNr">701 </span> 57/push-EDI +<span id="L702" class="LineNr">702 </span> <span class="subxS2Comment"># . . call</span> +<span id="L703" class="LineNr">703 </span> e8/call <a href='064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L704" class="LineNr">704 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L705" class="LineNr">705 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L706" class="LineNr">706 </span> <span class="subxS1Comment"># . clear-stream(stream = f+4)</span> +<span id="L707" class="LineNr">707 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L708" class="LineNr">708 </span> 8d/copy-address 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+4 to EAX</span> +<span id="L709" class="LineNr">709 </span> 50/push-EAX +<span id="L710" class="LineNr">710 </span> <span class="subxS2Comment"># . . call</span> +<span id="L711" class="LineNr">711 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L712" class="LineNr">712 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L713" class="LineNr">713 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L714" class="LineNr">714 </span> <span class="subxS1Comment"># . f->write must now be 0; update its cache at EBX</span> +<span id="L715" class="LineNr">715 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> +<span id="L716" class="LineNr">716 </span><span class="Constant">$write-slice:to-stream</span>: +<span id="L717" class="LineNr">717 </span> <span class="subxComment"># f->data[f->write] = *in</span> +<span id="L718" class="LineNr">718 </span> <span class="subxS1Comment"># . AL = *in</span> +<span id="L719" class="LineNr">719 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L720" class="LineNr">720 </span> 8a/copy-byte 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *ECX to AL</span> +<span id="L721" class="LineNr">721 </span> <span class="subxS1Comment"># . f->data[f->write] = AL</span> +<span id="L722" class="LineNr">722 </span> 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/EDI 3/index/EBX <span class="Normal"> . </span> 0/r32/AL 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy AL to *(EDI+EBX+16)</span> +<span id="L723" class="LineNr">723 </span> <span class="subxComment"># ++f->write</span> +<span id="L724" class="LineNr">724 </span> 43/increment-EBX +<span id="L725" class="LineNr">725 </span> <span class="subxComment"># ++in</span> +<span id="L726" class="LineNr">726 </span> 41/increment-ECX +<span id="L727" class="LineNr">727 </span> eb/jump $write-slice:loop/disp8 +<span id="L728" class="LineNr">728 </span><span class="Constant">$write-slice:loop-end</span>: +<span id="L729" class="LineNr">729 </span> <span class="subxComment"># persist necessary variables from registers</span> +<span id="L730" class="LineNr">730 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EBX to *(EDI+4)</span> +<span id="L731" class="LineNr">731 </span><span class="Constant">$write-slice:end</span>: +<span id="L732" class="LineNr">732 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L733" class="LineNr">733 </span> 5f/pop-to-EDI +<span id="L734" class="LineNr">734 </span> 5e/pop-to-ESI +<span id="L735" class="LineNr">735 </span> 5b/pop-to-EBX +<span id="L736" class="LineNr">736 </span> 5a/pop-to-EDX +<span id="L737" class="LineNr">737 </span> 59/pop-to-ECX +<span id="L738" class="LineNr">738 </span> 58/pop-to-EAX +<span id="L739" class="LineNr">739 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L740" class="LineNr">740 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L741" class="LineNr">741 </span> 5d/pop-to-EBP +<span id="L742" class="LineNr">742 </span> c3/return +<span id="L743" class="LineNr">743 </span> +<span id="L744" class="LineNr">744 </span><span class="subxTest">test-write-slice</span>: +<span id="L745" class="LineNr">745 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L746" class="LineNr">746 </span> 55/push-EBP +<span id="L747" class="LineNr">747 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L748" class="LineNr">748 </span> <span class="subxComment"># setup</span> +<span id="L749" class="LineNr">749 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L750" class="LineNr">750 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L751" class="LineNr">751 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L752" class="LineNr">752 </span> <span class="subxS2Comment"># . . call</span> +<span id="L753" class="LineNr">753 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L754" class="LineNr">754 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L755" class="LineNr">755 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L756" class="LineNr">756 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L757" class="LineNr">757 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L758" class="LineNr">758 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L759" class="LineNr">759 </span> 05/add-to-EAX 4/imm32 +<span id="L760" class="LineNr">760 </span> 50/push-EAX +<span id="L761" class="LineNr">761 </span> <span class="subxS2Comment"># . . call</span> +<span id="L762" class="LineNr">762 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L763" class="LineNr">763 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L764" class="LineNr">764 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L765" class="LineNr">765 </span> <span class="subxComment"># var slice/ECX = "Abc"</span> +<span id="L766" class="LineNr">766 </span> 68/push <a href='072slice.subx.html#L915'>_test-slice-data-3</a>/imm32/end +<span id="L767" class="LineNr">767 </span> 68/push <a href='072slice.subx.html#L909'>_test-slice-data-0</a>/imm32/start +<span id="L768" class="LineNr">768 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L769" class="LineNr">769 </span> <span class="subxComment"># write-slice(_test-buffered-file, slice)</span> +<span id="L770" class="LineNr">770 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L771" class="LineNr">771 </span> 51/push-ECX +<span id="L772" class="LineNr">772 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L773" class="LineNr">773 </span> <span class="subxS2Comment"># . . call</span> +<span id="L774" class="LineNr">774 </span> e8/call <a href='072slice.subx.html#L667'>write-slice</a>/disp32 +<span id="L775" class="LineNr">775 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L776" class="LineNr">776 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L777" class="LineNr">777 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L778" class="LineNr">778 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L779" class="LineNr">779 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L780" class="LineNr">780 </span> <span class="subxS2Comment"># . . call</span> +<span id="L781" class="LineNr">781 </span> e8/call <a href='064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L782" class="LineNr">782 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L783" class="LineNr">783 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L784" class="LineNr">784 </span> <span class="subxComment"># check-stream-equal(_test-stream, "Abc", msg)</span> +<span id="L785" class="LineNr">785 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L786" class="LineNr">786 </span> 68/push <span class="Constant">"F - test-write-slice"</span>/imm32 +<span id="L787" class="LineNr">787 </span> 68/push <span class="Constant">"Abc"</span>/imm32 +<span id="L788" class="LineNr">788 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L789" class="LineNr">789 </span> <span class="subxS2Comment"># . . call</span> +<span id="L790" class="LineNr">790 </span> e8/call <a href='058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L791" class="LineNr">791 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L792" class="LineNr">792 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L793" class="LineNr">793 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L794" class="LineNr">794 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L795" class="LineNr">795 </span> 5d/pop-to-EBP +<span id="L796" class="LineNr">796 </span> c3/return +<span id="L797" class="LineNr">797 </span> +<span id="L798" class="LineNr">798 </span><span class="subxComment"># write an entire stream's contents to a buffered-file</span> +<span id="L799" class="LineNr">799 </span><span class="subxComment"># ways to do this:</span> +<span id="L800" class="LineNr">800 </span><span class="subxComment"># - construct a 'maximal slice' and pass it to write-slice</span> +<span id="L801" class="LineNr">801 </span><span class="subxComment"># - flush the buffered-file and pass the stream directly to its fd (disabling buffering)</span> +<span id="L802" class="LineNr">802 </span><span class="subxComment"># we'll go with the first way for now</span> +<span id="L803" class="LineNr">803 </span><span class="subxFunction">write-stream-buffered</span>: <span class="subxComment"># f : (address buffered-file), s : (address stream)</span> +<span id="L804" class="LineNr">804 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L805" class="LineNr">805 </span> 55/push-EBP +<span id="L806" class="LineNr">806 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L807" class="LineNr">807 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L808" class="LineNr">808 </span> 50/push-EAX +<span id="L809" class="LineNr">809 </span> 56/push-ESI +<span id="L810" class="LineNr">810 </span> <span class="subxComment"># ESI = s</span> +<span id="L811" class="LineNr">811 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> +<span id="L812" class="LineNr">812 </span> <span class="subxComment"># var slice/ECX = {s->data, s->data + s->write}</span> +<span id="L813" class="LineNr">813 </span> <span class="subxS1Comment"># . push s->data + s->write</span> +<span id="L814" class="LineNr">814 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EAX</span> +<span id="L815" class="LineNr">815 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to EAX</span> +<span id="L816" class="LineNr">816 </span> 50/push-EAX +<span id="L817" class="LineNr">817 </span> <span class="subxS1Comment"># . push s->data</span> +<span id="L818" class="LineNr">818 </span> 8d/copy-address 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+12 to EAX</span> +<span id="L819" class="LineNr">819 </span> 50/push-EAX +<span id="L820" class="LineNr">820 </span> <span class="subxS1Comment"># . ECX = ESP</span> +<span id="L821" class="LineNr">821 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L822" class="LineNr">822 </span> <span class="subxComment"># write-slice(f, slice)</span> +<span id="L823" class="LineNr">823 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L824" class="LineNr">824 </span> 51/push-ECX +<span id="L825" class="LineNr">825 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L826" class="LineNr">826 </span> <span class="subxS2Comment"># . . call</span> +<span id="L827" class="LineNr">827 </span> e8/call <a href='072slice.subx.html#L667'>write-slice</a>/disp32 +<span id="L828" class="LineNr">828 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L829" class="LineNr">829 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L830" class="LineNr">830 </span><span class="Constant">$write-stream-buffered:end</span>: +<span id="L831" class="LineNr">831 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L832" class="LineNr">832 </span> 5e/pop-to-ESI +<span id="L833" class="LineNr">833 </span> 58/pop-to-EAX +<span id="L834" class="LineNr">834 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L835" class="LineNr">835 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L836" class="LineNr">836 </span> 5d/pop-to-EBP +<span id="L837" class="LineNr">837 </span> c3/return +<span id="L838" class="LineNr">838 </span> +<span id="L839" class="LineNr">839 </span><span class="subxTest">test-write-stream-buffered</span>: +<span id="L840" class="LineNr">840 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L841" class="LineNr">841 </span> 55/push-EBP +<span id="L842" class="LineNr">842 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L843" class="LineNr">843 </span> <span class="subxComment"># setup</span> +<span id="L844" class="LineNr">844 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L845" class="LineNr">845 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L846" class="LineNr">846 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L847" class="LineNr">847 </span> <span class="subxS2Comment"># . . call</span> +<span id="L848" class="LineNr">848 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L849" class="LineNr">849 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L850" class="LineNr">850 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L851" class="LineNr">851 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L852" class="LineNr">852 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L853" class="LineNr">853 </span> b8/copy-to-EAX <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L854" class="LineNr">854 </span> 05/add-to-EAX 4/imm32 +<span id="L855" class="LineNr">855 </span> 50/push-EAX +<span id="L856" class="LineNr">856 </span> <span class="subxS2Comment"># . . call</span> +<span id="L857" class="LineNr">857 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L858" class="LineNr">858 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L859" class="LineNr">859 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L860" class="LineNr">860 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> +<span id="L861" class="LineNr">861 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L862" class="LineNr">862 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L863" class="LineNr">863 </span> <span class="subxS2Comment"># . . call</span> +<span id="L864" class="LineNr">864 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L865" class="LineNr">865 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L866" class="LineNr">866 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L867" class="LineNr">867 </span> <span class="subxComment"># initialize input</span> +<span id="L868" class="LineNr">868 </span> <span class="subxS1Comment"># . write(_test-tmp-stream, "abcd")</span> +<span id="L869" class="LineNr">869 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L870" class="LineNr">870 </span> 68/push <span class="Constant">"abcd"</span>/imm32 +<span id="L871" class="LineNr">871 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L872" class="LineNr">872 </span> <span class="subxS2Comment"># . . call</span> +<span id="L873" class="LineNr">873 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L874" class="LineNr">874 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L875" class="LineNr">875 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L876" class="LineNr">876 </span> <span class="subxComment"># perform the write-stream-buffered</span> +<span id="L877" class="LineNr">877 </span> <span class="subxS1Comment"># . write-stream-buffered(_test-buffered-file, _test-tmp-stream)</span> +<span id="L878" class="LineNr">878 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L879" class="LineNr">879 </span> 68/push <a href='060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L880" class="LineNr">880 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L881" class="LineNr">881 </span> <span class="subxS2Comment"># . . call</span> +<span id="L882" class="LineNr">882 </span> e8/call <a href='072slice.subx.html#L803'>write-stream-buffered</a>/disp32 +<span id="L883" class="LineNr">883 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L884" class="LineNr">884 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L885" class="LineNr">885 </span> <span class="subxComment"># check that the write happened as expected</span> +<span id="L886" class="LineNr">886 </span> <span class="subxS1Comment"># . flush(_test-buffered-file)</span> +<span id="L887" class="LineNr">887 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L888" class="LineNr">888 </span> 68/push <a href='061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L889" class="LineNr">889 </span> <span class="subxS2Comment"># . . call</span> +<span id="L890" class="LineNr">890 </span> e8/call <a href='064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L891" class="LineNr">891 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L892" class="LineNr">892 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L893" class="LineNr">893 </span> <span class="subxS1Comment"># . check-stream-equal(_test-stream, "abcd", msg)</span> +<span id="L894" class="LineNr">894 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L895" class="LineNr">895 </span> 68/push <span class="Constant">"F - test-write-stream-buffered"</span>/imm32 +<span id="L896" class="LineNr">896 </span> 68/push <span class="Constant">"abcd"</span>/imm32 +<span id="L897" class="LineNr">897 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L898" class="LineNr">898 </span> <span class="subxS2Comment"># . . call</span> +<span id="L899" class="LineNr">899 </span> e8/call <a href='058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L900" class="LineNr">900 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L901" class="LineNr">901 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L902" class="LineNr">902 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L903" class="LineNr">903 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L904" class="LineNr">904 </span> 5d/pop-to-EBP +<span id="L905" class="LineNr">905 </span> c3/return +<span id="L906" class="LineNr">906 </span> +<span id="L907" class="LineNr">907 </span>== data +<span id="L908" class="LineNr">908 </span> +<span id="L909" class="LineNr">909 </span><span class="subxMinorFunction">_test-slice-data-0</span>: +<span id="L910" class="LineNr">910 </span> 41/A +<span id="L911" class="LineNr">911 </span><span class="subxMinorFunction">_test-slice-data-1</span>: +<span id="L912" class="LineNr">912 </span> 62/b +<span id="L913" class="LineNr">913 </span><span class="subxMinorFunction">_test-slice-data-2</span>: +<span id="L914" class="LineNr">914 </span> 63/c +<span id="L915" class="LineNr">915 </span><span class="subxMinorFunction">_test-slice-data-3</span>: +<span id="L916" class="LineNr">916 </span> 64/d +<span id="L917" class="LineNr">917 </span><span class="subxMinorFunction">_test-slice-data-4</span>: +<span id="L918" class="LineNr">918 </span> +<span id="L919" class="LineNr">919 </span><span class="subxS1Comment"># . _. vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/073next-token.subx.html b/html/subx/073next-token.subx.html index d5f3cdd0..dd8a8d87 100644 --- a/html/subx/073next-token.subx.html +++ b/html/subx/073next-token.subx.html @@ -23,7 +23,6 @@ a { color:inherit; } .subxTest { color: #5f8700; } .Constant { color: #008787; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } -.SpecialChar { color: #d70000; } --> </style> @@ -64,850 +63,849 @@ if ('onhashchange' in window) { <span id="L3" class="LineNr"> 3 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L4" class="LineNr"> 4 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L5" class="LineNr"> 5 </span> -<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># main:</span> +<span id="L6" class="LineNr"> 6 </span><span class="CommentedCode">#? Entry: # run a single test, while debugging</span> <span id="L7" class="LineNr"> 7 </span><span class="CommentedCode">#? e8/call test-next-token-from-slice/disp32</span> -<span id="L8" class="LineNr"> 8 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L10" class="LineNr"> 10 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L11" class="LineNr"> 11 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L12" class="LineNr"> 12 </span> cd/syscall 0x80/imm8 -<span id="L13" class="LineNr"> 13 </span> -<span id="L14" class="LineNr"> 14 </span><span class="subxComment"># extract the next run of characters that are different from a given 'delimiter' (skipping multiple delimiters if necessary)</span> -<span id="L15" class="LineNr"> 15 </span><span class="subxComment"># on eof return an empty interval</span> -<span id="L16" class="LineNr"> 16 </span><span class="subxFunction">next-token</span>: <span class="subxComment"># in : (address stream), delimiter : byte, out : (address slice)</span> -<span id="L17" class="LineNr"> 17 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L18" class="LineNr"> 18 </span> 55/push-EBP -<span id="L19" class="LineNr"> 19 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L20" class="LineNr"> 20 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L21" class="LineNr"> 21 </span> 50/push-EAX -<span id="L22" class="LineNr"> 22 </span> 51/push-ECX -<span id="L23" class="LineNr"> 23 </span> 56/push-ESI -<span id="L24" class="LineNr"> 24 </span> 57/push-EDI -<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># ESI = in</span> -<span id="L26" class="LineNr"> 26 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># EDI = out</span> -<span id="L28" class="LineNr"> 28 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDI</span> -<span id="L29" class="LineNr"> 29 </span> <span class="subxComment"># skip-chars-matching(in, delimiter)</span> -<span id="L30" class="LineNr"> 30 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L31" class="LineNr"> 31 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L32" class="LineNr"> 32 </span> 56/push-ESI -<span id="L33" class="LineNr"> 33 </span> <span class="subxS2Comment"># . . call</span> -<span id="L34" class="LineNr"> 34 </span> e8/call <a href='073next-token.subx.html#L347'>skip-chars-matching</a>/disp32 -<span id="L35" class="LineNr"> 35 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L36" class="LineNr"> 36 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># out->start = &in->data[in->read]</span> -<span id="L38" class="LineNr"> 38 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> -<span id="L39" class="LineNr"> 39 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX+12 to EAX</span> -<span id="L40" class="LineNr"> 40 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *EDI</span> -<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># skip-chars-not-matching(in, delimiter)</span> -<span id="L42" class="LineNr"> 42 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L43" class="LineNr"> 43 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L44" class="LineNr"> 44 </span> 56/push-ESI -<span id="L45" class="LineNr"> 45 </span> <span class="subxS2Comment"># . . call</span> -<span id="L46" class="LineNr"> 46 </span> e8/call <a href='073next-token.subx.html#L469'>skip-chars-not-matching</a>/disp32 -<span id="L47" class="LineNr"> 47 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L48" class="LineNr"> 48 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># out->end = &in->data[in->read]</span> -<span id="L50" class="LineNr"> 50 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> -<span id="L51" class="LineNr"> 51 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX+12 to EAX</span> -<span id="L52" class="LineNr"> 52 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(EDI+4)</span> -<span id="L53" class="LineNr"> 53 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L54" class="LineNr"> 54 </span> 5f/pop-to-EDI -<span id="L55" class="LineNr"> 55 </span> 5e/pop-to-ESI -<span id="L56" class="LineNr"> 56 </span> 59/pop-to-ECX -<span id="L57" class="LineNr"> 57 </span> 58/pop-to-EAX -<span id="L58" class="LineNr"> 58 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L59" class="LineNr"> 59 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L60" class="LineNr"> 60 </span> 5d/pop-to-EBP -<span id="L61" class="LineNr"> 61 </span> c3/return -<span id="L62" class="LineNr"> 62 </span> -<span id="L63" class="LineNr"> 63 </span><span class="subxTest">test-next-token</span>: -<span id="L64" class="LineNr"> 64 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L65" class="LineNr"> 65 </span> 55/push-EBP -<span id="L66" class="LineNr"> 66 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L67" class="LineNr"> 67 </span> <span class="subxComment"># setup</span> -<span id="L68" class="LineNr"> 68 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L69" class="LineNr"> 69 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L70" class="LineNr"> 70 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L71" class="LineNr"> 71 </span> <span class="subxS2Comment"># . . call</span> -<span id="L72" class="LineNr"> 72 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L73" class="LineNr"> 73 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L74" class="LineNr"> 74 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># var slice/ECX = {0, 0}</span> -<span id="L76" class="LineNr"> 76 </span> 68/push 0/imm32/end -<span id="L77" class="LineNr"> 77 </span> 68/push 0/imm32/start -<span id="L78" class="LineNr"> 78 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># write(_test-stream, " ab")</span> -<span id="L80" class="LineNr"> 80 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L81" class="LineNr"> 81 </span> 68/push <span class="Constant">" ab"</span>/imm32 -<span id="L82" class="LineNr"> 82 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L83" class="LineNr"> 83 </span> <span class="subxS2Comment"># . . call</span> -<span id="L84" class="LineNr"> 84 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L85" class="LineNr"> 85 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L86" class="LineNr"> 86 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L87" class="LineNr"> 87 </span> <span class="subxComment"># next-token(_test-stream, 0x20/space, slice)</span> -<span id="L88" class="LineNr"> 88 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L89" class="LineNr"> 89 </span> 51/push-ECX -<span id="L90" class="LineNr"> 90 </span> 68/push 0x20/imm32 -<span id="L91" class="LineNr"> 91 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . call</span> -<span id="L93" class="LineNr"> 93 </span> e8/call <a href='073next-token.subx.html#L16'>next-token</a>/disp32 -<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L95" class="LineNr"> 95 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L96" class="LineNr"> 96 </span> <span class="subxComment"># check-ints-equal(slice->start - _test-stream->data, 2, msg)</span> -<span id="L97" class="LineNr"> 97 </span> <span class="subxS1Comment"># . check-ints-equal(slice->start - _test-stream, 14, msg)</span> -<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L99" class="LineNr"> 99 </span> 68/push <span class="Constant">"F - <a href='073next-token.subx.html#L63'>test-next-token</a>: start"</span>/imm32 -<span id="L100" class="LineNr">100 </span> 68/push 0xe/imm32 -<span id="L101" class="LineNr">101 </span> <span class="subxS2Comment"># . . push slice->start - _test-stream</span> -<span id="L102" class="LineNr">102 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EAX</span> -<span id="L103" class="LineNr">103 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='057write.subx.html#L155'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> -<span id="L104" class="LineNr">104 </span> 50/push-EAX -<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . call</span> -<span id="L106" class="LineNr">106 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L108" class="LineNr">108 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L109" class="LineNr">109 </span> <span class="subxComment"># check-ints-equal(slice->end - _test-stream->data, 4, msg)</span> -<span id="L110" class="LineNr">110 </span> <span class="subxS1Comment"># . check-ints-equal(slice->end - _test-stream, 16, msg)</span> -<span id="L111" class="LineNr">111 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L112" class="LineNr">112 </span> 68/push <span class="Constant">"F - <a href='073next-token.subx.html#L63'>test-next-token</a>: end"</span>/imm32 -<span id="L113" class="LineNr">113 </span> 68/push 0x10/imm32 -<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . push slice->end - _test-stream</span> -<span id="L115" class="LineNr">115 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EAX</span> -<span id="L116" class="LineNr">116 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='057write.subx.html#L155'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> -<span id="L117" class="LineNr">117 </span> 50/push-EAX -<span id="L118" class="LineNr">118 </span> <span class="subxS2Comment"># . . call</span> -<span id="L119" class="LineNr">119 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L120" class="LineNr">120 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L121" class="LineNr">121 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L122" class="LineNr">122 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L123" class="LineNr">123 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L124" class="LineNr">124 </span> 5d/pop-to-EBP -<span id="L125" class="LineNr">125 </span> c3/return -<span id="L126" class="LineNr">126 </span> -<span id="L127" class="LineNr">127 </span><span class="subxTest">test-next-token-eof</span>: -<span id="L128" class="LineNr">128 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L129" class="LineNr">129 </span> 55/push-EBP -<span id="L130" class="LineNr">130 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L131" class="LineNr">131 </span> <span class="subxComment"># setup</span> -<span id="L132" class="LineNr">132 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L134" class="LineNr">134 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L135" class="LineNr">135 </span> <span class="subxS2Comment"># . . call</span> -<span id="L136" class="LineNr">136 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L138" class="LineNr">138 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L139" class="LineNr">139 </span> <span class="subxComment"># var slice/ECX = {0, 0}</span> -<span id="L140" class="LineNr">140 </span> 68/push 0/imm32/end -<span id="L141" class="LineNr">141 </span> 68/push 0/imm32/start -<span id="L142" class="LineNr">142 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L143" class="LineNr">143 </span> <span class="subxComment"># write nothing to _test-stream</span> -<span id="L144" class="LineNr">144 </span> <span class="subxComment"># next-token(_test-stream, 0x20/space, slice)</span> -<span id="L145" class="LineNr">145 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L146" class="LineNr">146 </span> 51/push-ECX -<span id="L147" class="LineNr">147 </span> 68/push 0x20/imm32 -<span id="L148" class="LineNr">148 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L149" class="LineNr">149 </span> <span class="subxS2Comment"># . . call</span> -<span id="L150" class="LineNr">150 </span> e8/call <a href='073next-token.subx.html#L16'>next-token</a>/disp32 -<span id="L151" class="LineNr">151 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L152" class="LineNr">152 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L153" class="LineNr">153 </span> <span class="subxComment"># check-ints-equal(slice->end, slice->start, msg)</span> -<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L155" class="LineNr">155 </span> 68/push <span class="Constant">"F - test-next-token-eof"</span>/imm32 -<span id="L156" class="LineNr">156 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L157" class="LineNr">157 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ECX</span> -<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . call</span> -<span id="L159" class="LineNr">159 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L161" class="LineNr">161 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L162" class="LineNr">162 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L163" class="LineNr">163 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L164" class="LineNr">164 </span> 5d/pop-to-EBP -<span id="L165" class="LineNr">165 </span> c3/return -<span id="L166" class="LineNr">166 </span> -<span id="L167" class="LineNr">167 </span><span class="subxComment"># extract the next run of characters that are different from a given 'delimiter' (skipping multiple delimiters if necessary)</span> -<span id="L168" class="LineNr">168 </span><span class="subxComment"># on eof return an empty interval</span> -<span id="L169" class="LineNr">169 </span><span class="subxFunction">next-token-from-slice</span>: <span class="subxComment"># start : (address byte), end : (address byte), delimiter : byte, out : (address slice) -> <void></span> -<span id="L170" class="LineNr">170 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L171" class="LineNr">171 </span> 55/push-EBP -<span id="L172" class="LineNr">172 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L173" class="LineNr">173 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L174" class="LineNr">174 </span> 50/push-EAX -<span id="L175" class="LineNr">175 </span> 51/push-ECX -<span id="L176" class="LineNr">176 </span> 52/push-EDX -<span id="L177" class="LineNr">177 </span> 57/push-EDI -<span id="L178" class="LineNr">178 </span> <span class="subxComment"># ECX = end</span> -<span id="L179" class="LineNr">179 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ECX</span> -<span id="L180" class="LineNr">180 </span> <span class="subxComment"># EDX = delimiter</span> -<span id="L181" class="LineNr">181 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDX</span> -<span id="L182" class="LineNr">182 </span> <span class="subxComment"># EDI = out</span> -<span id="L183" class="LineNr">183 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+20) to EDI</span> -<span id="L184" class="LineNr">184 </span> <span class="subxComment"># EAX = skip-chars-matching-in-slice(start, end, delimiter)</span> -<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L186" class="LineNr">186 </span> 52/push-EDX -<span id="L187" class="LineNr">187 </span> 51/push-ECX -<span id="L188" class="LineNr">188 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L189" class="LineNr">189 </span> <span class="subxS2Comment"># . . call</span> -<span id="L190" class="LineNr">190 </span> e8/call <a href='073next-token.subx.html#L629'>skip-chars-matching-in-slice</a>/disp32 -<span id="L191" class="LineNr">191 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L192" class="LineNr">192 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L193" class="LineNr">193 </span> <span class="subxComment"># out->start = EAX</span> -<span id="L194" class="LineNr">194 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *EDI</span> -<span id="L195" class="LineNr">195 </span> <span class="subxComment"># EAX = skip-chars-not-matching-in-slice(EAX, end, delimiter)</span> -<span id="L196" class="LineNr">196 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L197" class="LineNr">197 </span> 52/push-EDX -<span id="L198" class="LineNr">198 </span> 51/push-ECX -<span id="L199" class="LineNr">199 </span> 50/push-EAX -<span id="L200" class="LineNr">200 </span> <span class="subxS2Comment"># . . call</span> -<span id="L201" class="LineNr">201 </span> e8/call <a href='073next-token.subx.html#L725'>skip-chars-not-matching-in-slice</a>/disp32 -<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L203" class="LineNr">203 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L204" class="LineNr">204 </span> <span class="subxComment"># out->end = EAX</span> -<span id="L205" class="LineNr">205 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(EDI+4)</span> -<span id="L206" class="LineNr">206 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L207" class="LineNr">207 </span> 5f/pop-to-EDI -<span id="L208" class="LineNr">208 </span> 5a/pop-to-EDX -<span id="L209" class="LineNr">209 </span> 59/pop-to-ECX -<span id="L210" class="LineNr">210 </span> 58/pop-to-EAX -<span id="L211" class="LineNr">211 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L212" class="LineNr">212 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L213" class="LineNr">213 </span> 5d/pop-to-EBP -<span id="L214" class="LineNr">214 </span> c3/return -<span id="L215" class="LineNr">215 </span> -<span id="L216" class="LineNr">216 </span><span class="subxTest">test-next-token-from-slice</span>: -<span id="L217" class="LineNr">217 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L218" class="LineNr">218 </span> 55/push-EBP -<span id="L219" class="LineNr">219 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L220" class="LineNr">220 </span> <span class="subxComment"># (EAX..ECX) = " ab"</span> -<span id="L221" class="LineNr">221 </span> b8/copy-to-EAX <span class="Constant">" ab"</span>/imm32 -<span id="L222" class="LineNr">222 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L223" class="LineNr">223 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> -<span id="L224" class="LineNr">224 </span> 05/add-to-EAX 4/imm32 -<span id="L225" class="LineNr">225 </span> <span class="subxComment"># var out/EDI : (address slice) = {0, 0}</span> -<span id="L226" class="LineNr">226 </span> 68/push 0/imm32/end -<span id="L227" class="LineNr">227 </span> 68/push 0/imm32/start -<span id="L228" class="LineNr">228 </span> 89/copy 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDI</span> -<span id="L229" class="LineNr">229 </span> <span class="subxComment"># next-token-from-slice(EAX, ECX, 0x20/space, out)</span> -<span id="L230" class="LineNr">230 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L231" class="LineNr">231 </span> 57/push-EDI -<span id="L232" class="LineNr">232 </span> 68/push 0x20/imm32 -<span id="L233" class="LineNr">233 </span> 51/push-ECX -<span id="L234" class="LineNr">234 </span> 50/push-EAX -<span id="L235" class="LineNr">235 </span> <span class="subxS2Comment"># . . call</span> -<span id="L236" class="LineNr">236 </span> e8/call <a href='073next-token.subx.html#L169'>next-token-from-slice</a>/disp32 -<span id="L237" class="LineNr">237 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L238" class="LineNr">238 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L239" class="LineNr">239 </span> <span class="subxComment"># out->start should be at the 'a'</span> -<span id="L240" class="LineNr">240 </span> <span class="subxS1Comment"># . check-ints-equal(out->start - in->start, 2, msg)</span> -<span id="L241" class="LineNr">241 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L242" class="LineNr">242 </span> 68/push <span class="Constant">"F - <a href='073next-token.subx.html#L216'>test-next-token-from-slice</a>: start"</span>/imm32 -<span id="L243" class="LineNr">243 </span> 68/push 2/imm32 -<span id="L244" class="LineNr">244 </span> <span class="subxS2Comment"># . . push out->start - in->start</span> -<span id="L245" class="LineNr">245 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to ECX</span> -<span id="L246" class="LineNr">246 </span> 2b/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> -<span id="L247" class="LineNr">247 </span> 51/push-ECX -<span id="L248" class="LineNr">248 </span> <span class="subxS2Comment"># . . call</span> -<span id="L249" class="LineNr">249 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L250" class="LineNr">250 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L251" class="LineNr">251 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L252" class="LineNr">252 </span> <span class="subxComment"># out->end should be after the 'b'</span> -<span id="L253" class="LineNr">253 </span> <span class="subxComment"># check-ints-equal(out->end - in->start, 4, msg)</span> -<span id="L254" class="LineNr">254 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L255" class="LineNr">255 </span> 68/push <span class="Constant">"F - <a href='073next-token.subx.html#L216'>test-next-token-from-slice</a>: end"</span>/imm32 -<span id="L256" class="LineNr">256 </span> 68/push 4/imm32 -<span id="L257" class="LineNr">257 </span> <span class="subxS2Comment"># . . push out->end - in->start</span> -<span id="L258" class="LineNr">258 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> -<span id="L259" class="LineNr">259 </span> 2b/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> -<span id="L260" class="LineNr">260 </span> 51/push-ECX -<span id="L261" class="LineNr">261 </span> <span class="subxS2Comment"># . . call</span> -<span id="L262" class="LineNr">262 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L263" class="LineNr">263 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L264" class="LineNr">264 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L265" class="LineNr">265 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L266" class="LineNr">266 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L267" class="LineNr">267 </span> 5d/pop-to-EBP -<span id="L268" class="LineNr">268 </span> c3/return -<span id="L269" class="LineNr">269 </span> -<span id="L270" class="LineNr">270 </span><span class="subxTest">test-next-token-from-slice-eof</span>: -<span id="L271" class="LineNr">271 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L272" class="LineNr">272 </span> 55/push-EBP -<span id="L273" class="LineNr">273 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L274" class="LineNr">274 </span> <span class="subxComment"># var out/EDI : (address slice) = {0, 0}</span> -<span id="L275" class="LineNr">275 </span> 68/push 0/imm32/end -<span id="L276" class="LineNr">276 </span> 68/push 0/imm32/start -<span id="L277" class="LineNr">277 </span> 89/copy 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDI</span> -<span id="L278" class="LineNr">278 </span> <span class="subxComment"># next-token-from-slice(0, 0, 0x20/space, out)</span> -<span id="L279" class="LineNr">279 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L280" class="LineNr">280 </span> 57/push-EDI -<span id="L281" class="LineNr">281 </span> 68/push 0x20/imm32 +<span id="L8" class="LineNr"> 8 </span><span class="CommentedCode">#? # syscall(exit, Num-test-failures)</span> +<span id="L9" class="LineNr"> 9 </span><span class="CommentedCode">#? 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX</span> +<span id="L10" class="LineNr"> 10 </span><span class="CommentedCode">#? b8/copy-to-EAX 1/imm32/exit</span> +<span id="L11" class="LineNr"> 11 </span><span class="CommentedCode">#? cd/syscall 0x80/imm8</span> +<span id="L12" class="LineNr"> 12 </span> +<span id="L13" class="LineNr"> 13 </span><span class="subxComment"># extract the next run of characters that are different from a given 'delimiter' (skipping multiple delimiters if necessary)</span> +<span id="L14" class="LineNr"> 14 </span><span class="subxComment"># on eof return an empty interval</span> +<span id="L15" class="LineNr"> 15 </span><span class="subxFunction">next-token</span>: <span class="subxComment"># in : (address stream), delimiter : byte, out : (address slice)</span> +<span id="L16" class="LineNr"> 16 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L17" class="LineNr"> 17 </span> 55/push-EBP +<span id="L18" class="LineNr"> 18 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L19" class="LineNr"> 19 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L20" class="LineNr"> 20 </span> 50/push-EAX +<span id="L21" class="LineNr"> 21 </span> 51/push-ECX +<span id="L22" class="LineNr"> 22 </span> 56/push-ESI +<span id="L23" class="LineNr"> 23 </span> 57/push-EDI +<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># ESI = in</span> +<span id="L25" class="LineNr"> 25 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># EDI = out</span> +<span id="L27" class="LineNr"> 27 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDI</span> +<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># skip-chars-matching(in, delimiter)</span> +<span id="L29" class="LineNr"> 29 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L30" class="LineNr"> 30 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L31" class="LineNr"> 31 </span> 56/push-ESI +<span id="L32" class="LineNr"> 32 </span> <span class="subxS2Comment"># . . call</span> +<span id="L33" class="LineNr"> 33 </span> e8/call <a href='073next-token.subx.html#L346'>skip-chars-matching</a>/disp32 +<span id="L34" class="LineNr"> 34 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L35" class="LineNr"> 35 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L36" class="LineNr"> 36 </span> <span class="subxComment"># out->start = &in->data[in->read]</span> +<span id="L37" class="LineNr"> 37 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> +<span id="L38" class="LineNr"> 38 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX+12 to EAX</span> +<span id="L39" class="LineNr"> 39 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *EDI</span> +<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># skip-chars-not-matching(in, delimiter)</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L42" class="LineNr"> 42 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L43" class="LineNr"> 43 </span> 56/push-ESI +<span id="L44" class="LineNr"> 44 </span> <span class="subxS2Comment"># . . call</span> +<span id="L45" class="LineNr"> 45 </span> e8/call <a href='073next-token.subx.html#L468'>skip-chars-not-matching</a>/disp32 +<span id="L46" class="LineNr"> 46 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L47" class="LineNr"> 47 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># out->end = &in->data[in->read]</span> +<span id="L49" class="LineNr"> 49 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> +<span id="L50" class="LineNr"> 50 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX+12 to EAX</span> +<span id="L51" class="LineNr"> 51 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(EDI+4)</span> +<span id="L52" class="LineNr"> 52 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L53" class="LineNr"> 53 </span> 5f/pop-to-EDI +<span id="L54" class="LineNr"> 54 </span> 5e/pop-to-ESI +<span id="L55" class="LineNr"> 55 </span> 59/pop-to-ECX +<span id="L56" class="LineNr"> 56 </span> 58/pop-to-EAX +<span id="L57" class="LineNr"> 57 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L58" class="LineNr"> 58 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L59" class="LineNr"> 59 </span> 5d/pop-to-EBP +<span id="L60" class="LineNr"> 60 </span> c3/return +<span id="L61" class="LineNr"> 61 </span> +<span id="L62" class="LineNr"> 62 </span><span class="subxTest">test-next-token</span>: +<span id="L63" class="LineNr"> 63 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L64" class="LineNr"> 64 </span> 55/push-EBP +<span id="L65" class="LineNr"> 65 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># setup</span> +<span id="L67" class="LineNr"> 67 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L68" class="LineNr"> 68 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L69" class="LineNr"> 69 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L70" class="LineNr"> 70 </span> <span class="subxS2Comment"># . . call</span> +<span id="L71" class="LineNr"> 71 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L72" class="LineNr"> 72 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L73" class="LineNr"> 73 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># var slice/ECX = {0, 0}</span> +<span id="L75" class="LineNr"> 75 </span> 68/push 0/imm32/end +<span id="L76" class="LineNr"> 76 </span> 68/push 0/imm32/start +<span id="L77" class="LineNr"> 77 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># write(_test-stream, " ab")</span> +<span id="L79" class="LineNr"> 79 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L80" class="LineNr"> 80 </span> 68/push <span class="Constant">" ab"</span>/imm32 +<span id="L81" class="LineNr"> 81 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . call</span> +<span id="L83" class="LineNr"> 83 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L84" class="LineNr"> 84 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L85" class="LineNr"> 85 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># next-token(_test-stream, 0x20/space, slice)</span> +<span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L88" class="LineNr"> 88 </span> 51/push-ECX +<span id="L89" class="LineNr"> 89 </span> 68/push 0x20/imm32 +<span id="L90" class="LineNr"> 90 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L91" class="LineNr"> 91 </span> <span class="subxS2Comment"># . . call</span> +<span id="L92" class="LineNr"> 92 </span> e8/call <a href='073next-token.subx.html#L15'>next-token</a>/disp32 +<span id="L93" class="LineNr"> 93 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L94" class="LineNr"> 94 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># check-ints-equal(slice->start - _test-stream->data, 2, msg)</span> +<span id="L96" class="LineNr"> 96 </span> <span class="subxS1Comment"># . check-ints-equal(slice->start - _test-stream, 14, msg)</span> +<span id="L97" class="LineNr"> 97 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L98" class="LineNr"> 98 </span> 68/push <span class="Constant">"F - <a href='073next-token.subx.html#L62'>test-next-token</a>: start"</span>/imm32 +<span id="L99" class="LineNr"> 99 </span> 68/push 0xe/imm32 +<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . push slice->start - _test-stream</span> +<span id="L101" class="LineNr">101 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EAX</span> +<span id="L102" class="LineNr">102 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='057write.subx.html#L148'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> +<span id="L103" class="LineNr">103 </span> 50/push-EAX +<span id="L104" class="LineNr">104 </span> <span class="subxS2Comment"># . . call</span> +<span id="L105" class="LineNr">105 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L106" class="LineNr">106 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L107" class="LineNr">107 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L108" class="LineNr">108 </span> <span class="subxComment"># check-ints-equal(slice->end - _test-stream->data, 4, msg)</span> +<span id="L109" class="LineNr">109 </span> <span class="subxS1Comment"># . check-ints-equal(slice->end - _test-stream, 16, msg)</span> +<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L111" class="LineNr">111 </span> 68/push <span class="Constant">"F - <a href='073next-token.subx.html#L62'>test-next-token</a>: end"</span>/imm32 +<span id="L112" class="LineNr">112 </span> 68/push 0x10/imm32 +<span id="L113" class="LineNr">113 </span> <span class="subxS2Comment"># . . push slice->end - _test-stream</span> +<span id="L114" class="LineNr">114 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EAX</span> +<span id="L115" class="LineNr">115 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='057write.subx.html#L148'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> +<span id="L116" class="LineNr">116 </span> 50/push-EAX +<span id="L117" class="LineNr">117 </span> <span class="subxS2Comment"># . . call</span> +<span id="L118" class="LineNr">118 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L120" class="LineNr">120 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L121" class="LineNr">121 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L122" class="LineNr">122 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L123" class="LineNr">123 </span> 5d/pop-to-EBP +<span id="L124" class="LineNr">124 </span> c3/return +<span id="L125" class="LineNr">125 </span> +<span id="L126" class="LineNr">126 </span><span class="subxTest">test-next-token-eof</span>: +<span id="L127" class="LineNr">127 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L128" class="LineNr">128 </span> 55/push-EBP +<span id="L129" class="LineNr">129 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L130" class="LineNr">130 </span> <span class="subxComment"># setup</span> +<span id="L131" class="LineNr">131 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L133" class="LineNr">133 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . call</span> +<span id="L135" class="LineNr">135 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L137" class="LineNr">137 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L138" class="LineNr">138 </span> <span class="subxComment"># var slice/ECX = {0, 0}</span> +<span id="L139" class="LineNr">139 </span> 68/push 0/imm32/end +<span id="L140" class="LineNr">140 </span> 68/push 0/imm32/start +<span id="L141" class="LineNr">141 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L142" class="LineNr">142 </span> <span class="subxComment"># write nothing to _test-stream</span> +<span id="L143" class="LineNr">143 </span> <span class="subxComment"># next-token(_test-stream, 0x20/space, slice)</span> +<span id="L144" class="LineNr">144 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L145" class="LineNr">145 </span> 51/push-ECX +<span id="L146" class="LineNr">146 </span> 68/push 0x20/imm32 +<span id="L147" class="LineNr">147 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L148" class="LineNr">148 </span> <span class="subxS2Comment"># . . call</span> +<span id="L149" class="LineNr">149 </span> e8/call <a href='073next-token.subx.html#L15'>next-token</a>/disp32 +<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L151" class="LineNr">151 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L152" class="LineNr">152 </span> <span class="subxComment"># check-ints-equal(slice->end, slice->start, msg)</span> +<span id="L153" class="LineNr">153 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L154" class="LineNr">154 </span> 68/push <span class="Constant">"F - test-next-token-eof"</span>/imm32 +<span id="L155" class="LineNr">155 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L156" class="LineNr">156 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ECX</span> +<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . call</span> +<span id="L158" class="LineNr">158 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L159" class="LineNr">159 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L160" class="LineNr">160 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L161" class="LineNr">161 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L162" class="LineNr">162 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L163" class="LineNr">163 </span> 5d/pop-to-EBP +<span id="L164" class="LineNr">164 </span> c3/return +<span id="L165" class="LineNr">165 </span> +<span id="L166" class="LineNr">166 </span><span class="subxComment"># extract the next run of characters that are different from a given 'delimiter' (skipping multiple delimiters if necessary)</span> +<span id="L167" class="LineNr">167 </span><span class="subxComment"># on eof return an empty interval</span> +<span id="L168" class="LineNr">168 </span><span class="subxFunction">next-token-from-slice</span>: <span class="subxComment"># start : (address byte), end : (address byte), delimiter : byte, out : (address slice) -> <void></span> +<span id="L169" class="LineNr">169 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L170" class="LineNr">170 </span> 55/push-EBP +<span id="L171" class="LineNr">171 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L172" class="LineNr">172 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L173" class="LineNr">173 </span> 50/push-EAX +<span id="L174" class="LineNr">174 </span> 51/push-ECX +<span id="L175" class="LineNr">175 </span> 52/push-EDX +<span id="L176" class="LineNr">176 </span> 57/push-EDI +<span id="L177" class="LineNr">177 </span> <span class="subxComment"># ECX = end</span> +<span id="L178" class="LineNr">178 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ECX</span> +<span id="L179" class="LineNr">179 </span> <span class="subxComment"># EDX = delimiter</span> +<span id="L180" class="LineNr">180 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDX</span> +<span id="L181" class="LineNr">181 </span> <span class="subxComment"># EDI = out</span> +<span id="L182" class="LineNr">182 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+20) to EDI</span> +<span id="L183" class="LineNr">183 </span> <span class="subxComment"># EAX = skip-chars-matching-in-slice(start, end, delimiter)</span> +<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L185" class="LineNr">185 </span> 52/push-EDX +<span id="L186" class="LineNr">186 </span> 51/push-ECX +<span id="L187" class="LineNr">187 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . call</span> +<span id="L189" class="LineNr">189 </span> e8/call <a href='073next-token.subx.html#L628'>skip-chars-matching-in-slice</a>/disp32 +<span id="L190" class="LineNr">190 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L191" class="LineNr">191 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L192" class="LineNr">192 </span> <span class="subxComment"># out->start = EAX</span> +<span id="L193" class="LineNr">193 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *EDI</span> +<span id="L194" class="LineNr">194 </span> <span class="subxComment"># EAX = skip-chars-not-matching-in-slice(EAX, end, delimiter)</span> +<span id="L195" class="LineNr">195 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L196" class="LineNr">196 </span> 52/push-EDX +<span id="L197" class="LineNr">197 </span> 51/push-ECX +<span id="L198" class="LineNr">198 </span> 50/push-EAX +<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . call</span> +<span id="L200" class="LineNr">200 </span> e8/call <a href='073next-token.subx.html#L724'>skip-chars-not-matching-in-slice</a>/disp32 +<span id="L201" class="LineNr">201 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L202" class="LineNr">202 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L203" class="LineNr">203 </span> <span class="subxComment"># out->end = EAX</span> +<span id="L204" class="LineNr">204 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(EDI+4)</span> +<span id="L205" class="LineNr">205 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L206" class="LineNr">206 </span> 5f/pop-to-EDI +<span id="L207" class="LineNr">207 </span> 5a/pop-to-EDX +<span id="L208" class="LineNr">208 </span> 59/pop-to-ECX +<span id="L209" class="LineNr">209 </span> 58/pop-to-EAX +<span id="L210" class="LineNr">210 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L211" class="LineNr">211 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L212" class="LineNr">212 </span> 5d/pop-to-EBP +<span id="L213" class="LineNr">213 </span> c3/return +<span id="L214" class="LineNr">214 </span> +<span id="L215" class="LineNr">215 </span><span class="subxTest">test-next-token-from-slice</span>: +<span id="L216" class="LineNr">216 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L217" class="LineNr">217 </span> 55/push-EBP +<span id="L218" class="LineNr">218 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L219" class="LineNr">219 </span> <span class="subxComment"># (EAX..ECX) = " ab"</span> +<span id="L220" class="LineNr">220 </span> b8/copy-to-EAX <span class="Constant">" ab"</span>/imm32 +<span id="L221" class="LineNr">221 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L222" class="LineNr">222 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L223" class="LineNr">223 </span> 05/add-to-EAX 4/imm32 +<span id="L224" class="LineNr">224 </span> <span class="subxComment"># var out/EDI : (address slice) = {0, 0}</span> +<span id="L225" class="LineNr">225 </span> 68/push 0/imm32/end +<span id="L226" class="LineNr">226 </span> 68/push 0/imm32/start +<span id="L227" class="LineNr">227 </span> 89/copy 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDI</span> +<span id="L228" class="LineNr">228 </span> <span class="subxComment"># next-token-from-slice(EAX, ECX, 0x20/space, out)</span> +<span id="L229" class="LineNr">229 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L230" class="LineNr">230 </span> 57/push-EDI +<span id="L231" class="LineNr">231 </span> 68/push 0x20/imm32 +<span id="L232" class="LineNr">232 </span> 51/push-ECX +<span id="L233" class="LineNr">233 </span> 50/push-EAX +<span id="L234" class="LineNr">234 </span> <span class="subxS2Comment"># . . call</span> +<span id="L235" class="LineNr">235 </span> e8/call <a href='073next-token.subx.html#L168'>next-token-from-slice</a>/disp32 +<span id="L236" class="LineNr">236 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L237" class="LineNr">237 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L238" class="LineNr">238 </span> <span class="subxComment"># out->start should be at the 'a'</span> +<span id="L239" class="LineNr">239 </span> <span class="subxS1Comment"># . check-ints-equal(out->start - in->start, 2, msg)</span> +<span id="L240" class="LineNr">240 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L241" class="LineNr">241 </span> 68/push <span class="Constant">"F - <a href='073next-token.subx.html#L215'>test-next-token-from-slice</a>: start"</span>/imm32 +<span id="L242" class="LineNr">242 </span> 68/push 2/imm32 +<span id="L243" class="LineNr">243 </span> <span class="subxS2Comment"># . . push out->start - in->start</span> +<span id="L244" class="LineNr">244 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to ECX</span> +<span id="L245" class="LineNr">245 </span> 2b/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> +<span id="L246" class="LineNr">246 </span> 51/push-ECX +<span id="L247" class="LineNr">247 </span> <span class="subxS2Comment"># . . call</span> +<span id="L248" class="LineNr">248 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L249" class="LineNr">249 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L250" class="LineNr">250 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L251" class="LineNr">251 </span> <span class="subxComment"># out->end should be after the 'b'</span> +<span id="L252" class="LineNr">252 </span> <span class="subxComment"># check-ints-equal(out->end - in->start, 4, msg)</span> +<span id="L253" class="LineNr">253 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L254" class="LineNr">254 </span> 68/push <span class="Constant">"F - <a href='073next-token.subx.html#L215'>test-next-token-from-slice</a>: end"</span>/imm32 +<span id="L255" class="LineNr">255 </span> 68/push 4/imm32 +<span id="L256" class="LineNr">256 </span> <span class="subxS2Comment"># . . push out->end - in->start</span> +<span id="L257" class="LineNr">257 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> +<span id="L258" class="LineNr">258 </span> 2b/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> +<span id="L259" class="LineNr">259 </span> 51/push-ECX +<span id="L260" class="LineNr">260 </span> <span class="subxS2Comment"># . . call</span> +<span id="L261" class="LineNr">261 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L262" class="LineNr">262 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L263" class="LineNr">263 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L264" class="LineNr">264 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L265" class="LineNr">265 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L266" class="LineNr">266 </span> 5d/pop-to-EBP +<span id="L267" class="LineNr">267 </span> c3/return +<span id="L268" class="LineNr">268 </span> +<span id="L269" class="LineNr">269 </span><span class="subxTest">test-next-token-from-slice-eof</span>: +<span id="L270" class="LineNr">270 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L271" class="LineNr">271 </span> 55/push-EBP +<span id="L272" class="LineNr">272 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L273" class="LineNr">273 </span> <span class="subxComment"># var out/EDI : (address slice) = {0, 0}</span> +<span id="L274" class="LineNr">274 </span> 68/push 0/imm32/end +<span id="L275" class="LineNr">275 </span> 68/push 0/imm32/start +<span id="L276" class="LineNr">276 </span> 89/copy 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDI</span> +<span id="L277" class="LineNr">277 </span> <span class="subxComment"># next-token-from-slice(0, 0, 0x20/space, out)</span> +<span id="L278" class="LineNr">278 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L279" class="LineNr">279 </span> 57/push-EDI +<span id="L280" class="LineNr">280 </span> 68/push 0x20/imm32 +<span id="L281" class="LineNr">281 </span> 68/push 0/imm32 <span id="L282" class="LineNr">282 </span> 68/push 0/imm32 -<span id="L283" class="LineNr">283 </span> 68/push 0/imm32 -<span id="L284" class="LineNr">284 </span> <span class="subxS2Comment"># . . call</span> -<span id="L285" class="LineNr">285 </span> e8/call <a href='073next-token.subx.html#L169'>next-token-from-slice</a>/disp32 -<span id="L286" class="LineNr">286 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L287" class="LineNr">287 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L288" class="LineNr">288 </span> <span class="subxComment"># out should be empty</span> -<span id="L289" class="LineNr">289 </span> <span class="subxS1Comment"># . check-ints-equal(out->end - out->start, 0, msg)</span> -<span id="L290" class="LineNr">290 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L291" class="LineNr">291 </span> 68/push <span class="Constant">"F - test-next-token-from-slice-eof"</span>/imm32 -<span id="L292" class="LineNr">292 </span> 68/push 0/imm32 -<span id="L293" class="LineNr">293 </span> <span class="subxS2Comment"># . . push out->start - in->start</span> -<span id="L294" class="LineNr">294 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> -<span id="L295" class="LineNr">295 </span> 2b/subtract 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *EDI from ECX</span> -<span id="L296" class="LineNr">296 </span> 51/push-ECX -<span id="L297" class="LineNr">297 </span> <span class="subxS2Comment"># . . call</span> -<span id="L298" class="LineNr">298 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L299" class="LineNr">299 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L300" class="LineNr">300 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L301" class="LineNr">301 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L302" class="LineNr">302 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L303" class="LineNr">303 </span> 5d/pop-to-EBP -<span id="L304" class="LineNr">304 </span> c3/return -<span id="L305" class="LineNr">305 </span> -<span id="L306" class="LineNr">306 </span><span class="subxTest">test-next-token-from-slice-nothing</span>: -<span id="L307" class="LineNr">307 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L308" class="LineNr">308 </span> 55/push-EBP -<span id="L309" class="LineNr">309 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L310" class="LineNr">310 </span> <span class="subxComment"># (EAX..ECX) = " "</span> -<span id="L311" class="LineNr">311 </span> b8/copy-to-EAX <span class="Constant">" "</span>/imm32 -<span id="L312" class="LineNr">312 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L313" class="LineNr">313 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> -<span id="L314" class="LineNr">314 </span> 05/add-to-EAX 4/imm32 -<span id="L315" class="LineNr">315 </span> <span class="subxComment"># var out/EDI : (address slice) = {0, 0}</span> -<span id="L316" class="LineNr">316 </span> 68/push 0/imm32/end -<span id="L317" class="LineNr">317 </span> 68/push 0/imm32/start -<span id="L318" class="LineNr">318 </span> 89/copy 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDI</span> -<span id="L319" class="LineNr">319 </span> <span class="subxComment"># next-token-from-slice(in, 0x20/space, out)</span> -<span id="L320" class="LineNr">320 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L321" class="LineNr">321 </span> 57/push-EDI -<span id="L322" class="LineNr">322 </span> 68/push 0x20/imm32 -<span id="L323" class="LineNr">323 </span> 51/push-ECX -<span id="L324" class="LineNr">324 </span> 50/push-EAX -<span id="L325" class="LineNr">325 </span> <span class="subxS2Comment"># . . call</span> -<span id="L326" class="LineNr">326 </span> e8/call <a href='073next-token.subx.html#L169'>next-token-from-slice</a>/disp32 -<span id="L327" class="LineNr">327 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L328" class="LineNr">328 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L329" class="LineNr">329 </span> <span class="subxComment"># out should be empty</span> -<span id="L330" class="LineNr">330 </span> <span class="subxS1Comment"># . check-ints-equal(out->end - out->start, 0, msg)</span> -<span id="L331" class="LineNr">331 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L332" class="LineNr">332 </span> 68/push <span class="Constant">"F - test-next-token-from-slice-eof"</span>/imm32 -<span id="L333" class="LineNr">333 </span> 68/push 0/imm32 -<span id="L334" class="LineNr">334 </span> <span class="subxS2Comment"># . . push out->start - in->start</span> -<span id="L335" class="LineNr">335 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> -<span id="L336" class="LineNr">336 </span> 2b/subtract 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *EDI from ECX</span> -<span id="L337" class="LineNr">337 </span> 51/push-ECX -<span id="L338" class="LineNr">338 </span> <span class="subxS2Comment"># . . call</span> -<span id="L339" class="LineNr">339 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L340" class="LineNr">340 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L341" class="LineNr">341 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L342" class="LineNr">342 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L343" class="LineNr">343 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L344" class="LineNr">344 </span> 5d/pop-to-EBP -<span id="L345" class="LineNr">345 </span> c3/return -<span id="L346" class="LineNr">346 </span> -<span id="L347" class="LineNr">347 </span><span class="subxFunction">skip-chars-matching</span>: <span class="subxComment"># in : (address stream), delimiter : byte</span> -<span id="L348" class="LineNr">348 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L349" class="LineNr">349 </span> 55/push-EBP -<span id="L350" class="LineNr">350 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L351" class="LineNr">351 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L352" class="LineNr">352 </span> 50/push-EAX -<span id="L353" class="LineNr">353 </span> 51/push-ECX -<span id="L354" class="LineNr">354 </span> 52/push-EDX -<span id="L355" class="LineNr">355 </span> 56/push-ESI -<span id="L356" class="LineNr">356 </span> <span class="subxComment"># ESI = in</span> -<span id="L357" class="LineNr">357 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L358" class="LineNr">358 </span> <span class="subxComment"># ECX = in->read</span> -<span id="L359" class="LineNr">359 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> -<span id="L360" class="LineNr">360 </span> <span class="subxComment"># EBX = in->write</span> -<span id="L361" class="LineNr">361 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EBX</span> -<span id="L362" class="LineNr">362 </span> <span class="subxComment"># EDX = delimiter</span> -<span id="L363" class="LineNr">363 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDX</span> -<span id="L364" class="LineNr">364 </span><span class="Constant">$skip-chars-matching:loop</span>: -<span id="L365" class="LineNr">365 </span> <span class="subxComment"># if (in->read >= in->write) break</span> -<span id="L366" class="LineNr">366 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EBX</span> -<span id="L367" class="LineNr">367 </span> 7d/jump-if-greater-or-equal $skip-chars-matching:end/disp8 -<span id="L368" class="LineNr">368 </span> <span class="subxComment"># EAX = in->data[in->read]</span> -<span id="L369" class="LineNr">369 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L370" class="LineNr">370 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+12) to AL</span> -<span id="L371" class="LineNr">371 </span> <span class="subxComment"># if (EAX != delimiter) break</span> -<span id="L372" class="LineNr">372 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and EDX</span> -<span id="L373" class="LineNr">373 </span> 75/jump-if-not-equal $skip-chars-matching:end/disp8 -<span id="L374" class="LineNr">374 </span> <span class="subxComment"># ++in->read</span> -<span id="L375" class="LineNr">375 </span> 41/inc-ECX -<span id="L376" class="LineNr">376 </span> eb/jump $skip-chars-matching:loop/disp8 -<span id="L377" class="LineNr">377 </span><span class="Constant">$skip-chars-matching:end</span>: -<span id="L378" class="LineNr">378 </span> <span class="subxComment"># persist in->read</span> -<span id="L379" class="LineNr">379 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(ESI+4)</span> -<span id="L380" class="LineNr">380 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L381" class="LineNr">381 </span> 5e/pop-to-ESI -<span id="L382" class="LineNr">382 </span> 5a/pop-to-EDX -<span id="L383" class="LineNr">383 </span> 59/pop-to-ECX -<span id="L384" class="LineNr">384 </span> 58/pop-to-EAX -<span id="L385" class="LineNr">385 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L386" class="LineNr">386 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L387" class="LineNr">387 </span> 5d/pop-to-EBP -<span id="L388" class="LineNr">388 </span> c3/return -<span id="L389" class="LineNr">389 </span> -<span id="L390" class="LineNr">390 </span><span class="subxTest">test-skip-chars-matching</span>: -<span id="L391" class="LineNr">391 </span> <span class="subxComment"># setup</span> -<span id="L392" class="LineNr">392 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L393" class="LineNr">393 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L394" class="LineNr">394 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L395" class="LineNr">395 </span> <span class="subxS2Comment"># . . call</span> -<span id="L396" class="LineNr">396 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L397" class="LineNr">397 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L398" class="LineNr">398 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L399" class="LineNr">399 </span> <span class="subxComment"># write(_test-stream, " ab")</span> -<span id="L400" class="LineNr">400 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L401" class="LineNr">401 </span> 68/push <span class="Constant">" ab"</span>/imm32 -<span id="L402" class="LineNr">402 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L403" class="LineNr">403 </span> <span class="subxS2Comment"># . . call</span> -<span id="L404" class="LineNr">404 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L405" class="LineNr">405 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L406" class="LineNr">406 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L407" class="LineNr">407 </span> <span class="subxComment"># skip-chars-matching(_test-stream, 0x20/space)</span> -<span id="L408" class="LineNr">408 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L409" class="LineNr">409 </span> 68/push 0x20/imm32 -<span id="L410" class="LineNr">410 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L411" class="LineNr">411 </span> <span class="subxS2Comment"># . . call</span> -<span id="L412" class="LineNr">412 </span> e8/call <a href='073next-token.subx.html#L347'>skip-chars-matching</a>/disp32 -<span id="L413" class="LineNr">413 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L414" class="LineNr">414 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L415" class="LineNr">415 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> -<span id="L416" class="LineNr">416 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L417" class="LineNr">417 </span> 68/push <span class="Constant">"F - test-skip-chars-matching"</span>/imm32 -<span id="L418" class="LineNr">418 </span> 68/push 2/imm32 -<span id="L419" class="LineNr">419 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> -<span id="L420" class="LineNr">420 </span> b8/copy-to-EAX <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L421" class="LineNr">421 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L422" class="LineNr">422 </span> <span class="subxS2Comment"># . . call</span> -<span id="L423" class="LineNr">423 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L424" class="LineNr">424 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L425" class="LineNr">425 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L426" class="LineNr">426 </span> <span class="subxComment"># end</span> -<span id="L427" class="LineNr">427 </span> c3/return -<span id="L428" class="LineNr">428 </span> -<span id="L429" class="LineNr">429 </span><span class="subxTest">test-skip-chars-matching-none</span>: -<span id="L430" class="LineNr">430 </span> <span class="subxComment"># setup</span> -<span id="L431" class="LineNr">431 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L432" class="LineNr">432 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L433" class="LineNr">433 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L434" class="LineNr">434 </span> <span class="subxS2Comment"># . . call</span> -<span id="L435" class="LineNr">435 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L436" class="LineNr">436 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L437" class="LineNr">437 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L438" class="LineNr">438 </span> <span class="subxComment"># write(_test-stream, "ab")</span> -<span id="L439" class="LineNr">439 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L440" class="LineNr">440 </span> 68/push <span class="Constant">"ab"</span>/imm32 -<span id="L441" class="LineNr">441 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L442" class="LineNr">442 </span> <span class="subxS2Comment"># . . call</span> -<span id="L443" class="LineNr">443 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L444" class="LineNr">444 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L445" class="LineNr">445 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L446" class="LineNr">446 </span> <span class="subxComment"># skip-chars-matching(_test-stream, 0x20/space)</span> -<span id="L447" class="LineNr">447 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L448" class="LineNr">448 </span> 68/push 0x20/imm32 -<span id="L449" class="LineNr">449 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L450" class="LineNr">450 </span> <span class="subxS2Comment"># . . call</span> -<span id="L451" class="LineNr">451 </span> e8/call <a href='073next-token.subx.html#L347'>skip-chars-matching</a>/disp32 -<span id="L452" class="LineNr">452 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L453" class="LineNr">453 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L454" class="LineNr">454 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 0, msg)</span> -<span id="L455" class="LineNr">455 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L456" class="LineNr">456 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-none"</span>/imm32 -<span id="L457" class="LineNr">457 </span> 68/push 0/imm32 -<span id="L458" class="LineNr">458 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> -<span id="L459" class="LineNr">459 </span> b8/copy-to-EAX <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L460" class="LineNr">460 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L461" class="LineNr">461 </span> <span class="subxS2Comment"># . . call</span> -<span id="L462" class="LineNr">462 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L463" class="LineNr">463 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L464" class="LineNr">464 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L465" class="LineNr">465 </span> <span class="subxComment"># end</span> -<span id="L466" class="LineNr">466 </span> c3/return -<span id="L467" class="LineNr">467 </span> -<span id="L468" class="LineNr">468 </span><span class="subxComment"># minor fork of 'skip-chars-matching'</span> -<span id="L469" class="LineNr">469 </span><span class="subxFunction">skip-chars-not-matching</span>: <span class="subxComment"># in : (address stream), delimiter : byte</span> -<span id="L470" class="LineNr">470 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L471" class="LineNr">471 </span> 55/push-EBP -<span id="L472" class="LineNr">472 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L473" class="LineNr">473 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L474" class="LineNr">474 </span> 50/push-EAX -<span id="L475" class="LineNr">475 </span> 51/push-ECX -<span id="L476" class="LineNr">476 </span> 52/push-EDX -<span id="L477" class="LineNr">477 </span> 56/push-ESI -<span id="L478" class="LineNr">478 </span> <span class="subxComment"># ESI = in</span> -<span id="L479" class="LineNr">479 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L480" class="LineNr">480 </span> <span class="subxComment"># ECX = in->read</span> -<span id="L481" class="LineNr">481 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> -<span id="L482" class="LineNr">482 </span> <span class="subxComment"># EBX = in->write</span> -<span id="L483" class="LineNr">483 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EBX</span> -<span id="L484" class="LineNr">484 </span> <span class="subxComment"># EDX = delimiter</span> -<span id="L485" class="LineNr">485 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDX</span> -<span id="L486" class="LineNr">486 </span><span class="Constant">$skip-chars-not-matching:loop</span>: -<span id="L487" class="LineNr">487 </span> <span class="subxComment"># if (in->read >= in->write) break</span> -<span id="L488" class="LineNr">488 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EBX</span> -<span id="L489" class="LineNr">489 </span> 7d/jump-if-greater-or-equal $skip-chars-not-matching:end/disp8 -<span id="L490" class="LineNr">490 </span> <span class="subxComment"># EAX = in->data[in->read]</span> -<span id="L491" class="LineNr">491 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L492" class="LineNr">492 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+12) to AL</span> -<span id="L493" class="LineNr">493 </span> <span class="subxComment"># if (EAX == delimiter) break</span> -<span id="L494" class="LineNr">494 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and EDX</span> -<span id="L495" class="LineNr">495 </span> 74/jump-if-equal $skip-chars-not-matching:end/disp8 -<span id="L496" class="LineNr">496 </span> <span class="subxComment"># ++in->read</span> -<span id="L497" class="LineNr">497 </span> 41/inc-ECX -<span id="L498" class="LineNr">498 </span> eb/jump $skip-chars-not-matching:loop/disp8 -<span id="L499" class="LineNr">499 </span><span class="Constant">$skip-chars-not-matching:end</span>: -<span id="L500" class="LineNr">500 </span> <span class="subxComment"># persist in->read</span> -<span id="L501" class="LineNr">501 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(ESI+4)</span> -<span id="L502" class="LineNr">502 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L503" class="LineNr">503 </span> 5e/pop-to-ESI -<span id="L504" class="LineNr">504 </span> 5a/pop-to-EDX -<span id="L505" class="LineNr">505 </span> 59/pop-to-ECX -<span id="L506" class="LineNr">506 </span> 58/pop-to-EAX -<span id="L507" class="LineNr">507 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L508" class="LineNr">508 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L509" class="LineNr">509 </span> 5d/pop-to-EBP -<span id="L510" class="LineNr">510 </span> c3/return -<span id="L511" class="LineNr">511 </span> -<span id="L512" class="LineNr">512 </span><span class="subxTest">test-skip-chars-not-matching</span>: -<span id="L513" class="LineNr">513 </span> <span class="subxComment"># setup</span> -<span id="L514" class="LineNr">514 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L515" class="LineNr">515 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L516" class="LineNr">516 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L517" class="LineNr">517 </span> <span class="subxS2Comment"># . . call</span> -<span id="L518" class="LineNr">518 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L519" class="LineNr">519 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L520" class="LineNr">520 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L521" class="LineNr">521 </span> <span class="subxComment"># write(_test-stream, "ab ")</span> -<span id="L522" class="LineNr">522 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L523" class="LineNr">523 </span> 68/push <span class="Constant">"ab "</span>/imm32 -<span id="L524" class="LineNr">524 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L525" class="LineNr">525 </span> <span class="subxS2Comment"># . . call</span> -<span id="L526" class="LineNr">526 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L527" class="LineNr">527 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L528" class="LineNr">528 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L529" class="LineNr">529 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> -<span id="L530" class="LineNr">530 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L531" class="LineNr">531 </span> 68/push 0x20/imm32 -<span id="L532" class="LineNr">532 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L533" class="LineNr">533 </span> <span class="subxS2Comment"># . . call</span> -<span id="L534" class="LineNr">534 </span> e8/call <a href='073next-token.subx.html#L469'>skip-chars-not-matching</a>/disp32 -<span id="L535" class="LineNr">535 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L536" class="LineNr">536 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L537" class="LineNr">537 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> -<span id="L538" class="LineNr">538 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L539" class="LineNr">539 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching"</span>/imm32 -<span id="L540" class="LineNr">540 </span> 68/push 2/imm32 -<span id="L541" class="LineNr">541 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> -<span id="L542" class="LineNr">542 </span> b8/copy-to-EAX <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L543" class="LineNr">543 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L544" class="LineNr">544 </span> <span class="subxS2Comment"># . . call</span> -<span id="L545" class="LineNr">545 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L546" class="LineNr">546 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L547" class="LineNr">547 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L548" class="LineNr">548 </span> <span class="subxComment"># end</span> -<span id="L549" class="LineNr">549 </span> c3/return -<span id="L550" class="LineNr">550 </span> -<span id="L551" class="LineNr">551 </span><span class="subxTest">test-skip-chars-not-matching-none</span>: -<span id="L552" class="LineNr">552 </span> <span class="subxComment"># setup</span> -<span id="L553" class="LineNr">553 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L554" class="LineNr">554 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L555" class="LineNr">555 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L556" class="LineNr">556 </span> <span class="subxS2Comment"># . . call</span> -<span id="L557" class="LineNr">557 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L558" class="LineNr">558 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L559" class="LineNr">559 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L560" class="LineNr">560 </span> <span class="subxComment"># write(_test-stream, " ab")</span> -<span id="L561" class="LineNr">561 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L562" class="LineNr">562 </span> 68/push <span class="Constant">" ab"</span>/imm32 -<span id="L563" class="LineNr">563 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L564" class="LineNr">564 </span> <span class="subxS2Comment"># . . call</span> -<span id="L565" class="LineNr">565 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L566" class="LineNr">566 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L567" class="LineNr">567 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L568" class="LineNr">568 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> -<span id="L569" class="LineNr">569 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L570" class="LineNr">570 </span> 68/push 0x20/imm32 -<span id="L571" class="LineNr">571 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L572" class="LineNr">572 </span> <span class="subxS2Comment"># . . call</span> -<span id="L573" class="LineNr">573 </span> e8/call <a href='073next-token.subx.html#L469'>skip-chars-not-matching</a>/disp32 -<span id="L574" class="LineNr">574 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L575" class="LineNr">575 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L576" class="LineNr">576 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 0, msg)</span> -<span id="L577" class="LineNr">577 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L578" class="LineNr">578 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-none"</span>/imm32 -<span id="L579" class="LineNr">579 </span> 68/push 0/imm32 -<span id="L580" class="LineNr">580 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> -<span id="L581" class="LineNr">581 </span> b8/copy-to-EAX <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L582" class="LineNr">582 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L583" class="LineNr">583 </span> <span class="subxS2Comment"># . . call</span> -<span id="L584" class="LineNr">584 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L585" class="LineNr">585 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L586" class="LineNr">586 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L587" class="LineNr">587 </span> <span class="subxComment"># end</span> -<span id="L588" class="LineNr">588 </span> c3/return -<span id="L589" class="LineNr">589 </span> -<span id="L590" class="LineNr">590 </span><span class="subxTest">test-skip-chars-not-matching-all</span>: -<span id="L591" class="LineNr">591 </span> <span class="subxComment"># setup</span> -<span id="L592" class="LineNr">592 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L593" class="LineNr">593 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L594" class="LineNr">594 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L595" class="LineNr">595 </span> <span class="subxS2Comment"># . . call</span> -<span id="L596" class="LineNr">596 </span> e8/call <a href='055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L597" class="LineNr">597 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L598" class="LineNr">598 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L599" class="LineNr">599 </span> <span class="subxComment"># write(_test-stream, "ab")</span> -<span id="L600" class="LineNr">600 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L601" class="LineNr">601 </span> 68/push <span class="Constant">"ab"</span>/imm32 -<span id="L602" class="LineNr">602 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L603" class="LineNr">603 </span> <span class="subxS2Comment"># . . call</span> -<span id="L604" class="LineNr">604 </span> e8/call <a href='057write.subx.html#L31'>write</a>/disp32 -<span id="L605" class="LineNr">605 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L606" class="LineNr">606 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L607" class="LineNr">607 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> -<span id="L608" class="LineNr">608 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L609" class="LineNr">609 </span> 68/push 0x20/imm32 -<span id="L610" class="LineNr">610 </span> 68/push <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L611" class="LineNr">611 </span> <span class="subxS2Comment"># . . call</span> -<span id="L612" class="LineNr">612 </span> e8/call <a href='073next-token.subx.html#L469'>skip-chars-not-matching</a>/disp32 -<span id="L613" class="LineNr">613 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L614" class="LineNr">614 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L615" class="LineNr">615 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> -<span id="L616" class="LineNr">616 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L617" class="LineNr">617 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-all"</span>/imm32 -<span id="L618" class="LineNr">618 </span> 68/push 2/imm32 -<span id="L619" class="LineNr">619 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> -<span id="L620" class="LineNr">620 </span> b8/copy-to-EAX <a href='057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L621" class="LineNr">621 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L622" class="LineNr">622 </span> <span class="subxS2Comment"># . . call</span> -<span id="L623" class="LineNr">623 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L624" class="LineNr">624 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L625" class="LineNr">625 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L626" class="LineNr">626 </span> <span class="subxComment"># end</span> -<span id="L627" class="LineNr">627 </span> c3/return -<span id="L628" class="LineNr">628 </span> -<span id="L629" class="LineNr">629 </span><span class="subxFunction">skip-chars-matching-in-slice</span>: <span class="subxComment"># curr : (address byte), end : (address byte), delimiter : byte -> curr/EAX</span> -<span id="L630" class="LineNr">630 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L631" class="LineNr">631 </span> 55/push-EBP -<span id="L632" class="LineNr">632 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L633" class="LineNr">633 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L634" class="LineNr">634 </span> 51/push-ECX -<span id="L635" class="LineNr">635 </span> 52/push-EDX -<span id="L636" class="LineNr">636 </span> 53/push-EBX -<span id="L637" class="LineNr">637 </span> <span class="subxComment"># EAX = curr</span> -<span id="L638" class="LineNr">638 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> -<span id="L639" class="LineNr">639 </span> <span class="subxComment"># ECX = end</span> -<span id="L640" class="LineNr">640 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ECX</span> -<span id="L641" class="LineNr">641 </span> <span class="subxComment"># EDX = delimiter</span> -<span id="L642" class="LineNr">642 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDX</span> -<span id="L643" class="LineNr">643 </span> <span class="subxComment"># EBX = 0</span> -<span id="L644" class="LineNr">644 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> -<span id="L645" class="LineNr">645 </span><span class="Constant">$skip-chars-matching-in-slice:loop</span>: -<span id="L646" class="LineNr">646 </span> <span class="subxComment"># if (curr >= end) break</span> -<span id="L647" class="LineNr">647 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX with ECX</span> -<span id="L648" class="LineNr">648 </span> 7d/jump-if-greater-or-equal $skip-chars-matching-in-slice:end/disp8 -<span id="L649" class="LineNr">649 </span> <span class="subxComment"># if (*curr != delimiter) break</span> -<span id="L650" class="LineNr">650 </span> 8a/copy-byte 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EAX to BL</span> -<span id="L651" class="LineNr">651 </span> 39/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EBX and EDX</span> -<span id="L652" class="LineNr">652 </span> 75/jump-if-not-equal $skip-chars-matching-in-slice:end/disp8 -<span id="L653" class="LineNr">653 </span> <span class="subxComment"># ++in->read</span> -<span id="L654" class="LineNr">654 </span> 40/inc-EAX -<span id="L655" class="LineNr">655 </span> eb/jump $skip-chars-matching-in-slice:loop/disp8 -<span id="L656" class="LineNr">656 </span><span class="Constant">$skip-chars-matching-in-slice:end</span>: -<span id="L657" class="LineNr">657 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L658" class="LineNr">658 </span> 5b/pop-to-EBX -<span id="L659" class="LineNr">659 </span> 5a/pop-to-EDX -<span id="L660" class="LineNr">660 </span> 59/pop-to-ECX -<span id="L661" class="LineNr">661 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L662" class="LineNr">662 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L663" class="LineNr">663 </span> 5d/pop-to-EBP -<span id="L664" class="LineNr">664 </span> c3/return -<span id="L665" class="LineNr">665 </span> -<span id="L666" class="LineNr">666 </span><span class="subxTest">test-skip-chars-matching-in-slice</span>: -<span id="L667" class="LineNr">667 </span> <span class="subxComment"># (EAX..ECX) = " ab"</span> -<span id="L668" class="LineNr">668 </span> b8/copy-to-EAX <span class="Constant">" ab"</span>/imm32 -<span id="L669" class="LineNr">669 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L670" class="LineNr">670 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> -<span id="L671" class="LineNr">671 </span> 05/add-to-EAX 4/imm32 -<span id="L672" class="LineNr">672 </span> <span class="subxComment"># EAX = skip-chars-matching-in-slice(EAX, ECX, 0x20/space)</span> -<span id="L673" class="LineNr">673 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L674" class="LineNr">674 </span> 68/push 0x20/imm32 -<span id="L675" class="LineNr">675 </span> 51/push-ECX -<span id="L676" class="LineNr">676 </span> 50/push-EAX -<span id="L677" class="LineNr">677 </span> <span class="subxS2Comment"># . . call</span> -<span id="L678" class="LineNr">678 </span> e8/call <a href='073next-token.subx.html#L629'>skip-chars-matching-in-slice</a>/disp32 -<span id="L679" class="LineNr">679 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L680" class="LineNr">680 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L681" class="LineNr">681 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 2, msg)</span> -<span id="L682" class="LineNr">682 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L683" class="LineNr">683 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-in-slice"</span>/imm32 -<span id="L684" class="LineNr">684 </span> 68/push 2/imm32 -<span id="L685" class="LineNr">685 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> -<span id="L686" class="LineNr">686 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> -<span id="L687" class="LineNr">687 </span> 51/push-ECX -<span id="L688" class="LineNr">688 </span> <span class="subxS2Comment"># . . call</span> -<span id="L689" class="LineNr">689 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L690" class="LineNr">690 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L691" class="LineNr">691 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L692" class="LineNr">692 </span> <span class="subxComment"># end</span> -<span id="L693" class="LineNr">693 </span> c3/return -<span id="L694" class="LineNr">694 </span> -<span id="L695" class="LineNr">695 </span><span class="subxTest">test-skip-chars-matching-in-slice-none</span>: -<span id="L696" class="LineNr">696 </span> <span class="subxComment"># (EAX..ECX) = "ab"</span> -<span id="L697" class="LineNr">697 </span> b8/copy-to-EAX <span class="Constant">"ab"</span>/imm32 -<span id="L698" class="LineNr">698 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L699" class="LineNr">699 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> -<span id="L700" class="LineNr">700 </span> 05/add-to-EAX 4/imm32 -<span id="L701" class="LineNr">701 </span> <span class="subxComment"># EAX = skip-chars-matching-in-slice(EAX, ECX, 0x20/space)</span> -<span id="L702" class="LineNr">702 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L703" class="LineNr">703 </span> 68/push 0x20/imm32 -<span id="L704" class="LineNr">704 </span> 51/push-ECX -<span id="L705" class="LineNr">705 </span> 50/push-EAX -<span id="L706" class="LineNr">706 </span> <span class="subxS2Comment"># . . call</span> -<span id="L707" class="LineNr">707 </span> e8/call <a href='073next-token.subx.html#L629'>skip-chars-matching-in-slice</a>/disp32 -<span id="L708" class="LineNr">708 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L709" class="LineNr">709 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L710" class="LineNr">710 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 2, msg)</span> -<span id="L711" class="LineNr">711 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L712" class="LineNr">712 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-in-slice-none"</span>/imm32 -<span id="L713" class="LineNr">713 </span> 68/push 2/imm32 -<span id="L714" class="LineNr">714 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> -<span id="L715" class="LineNr">715 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> -<span id="L716" class="LineNr">716 </span> 51/push-ECX -<span id="L717" class="LineNr">717 </span> <span class="subxS2Comment"># . . call</span> -<span id="L718" class="LineNr">718 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L719" class="LineNr">719 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L720" class="LineNr">720 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L721" class="LineNr">721 </span> <span class="subxComment"># end</span> -<span id="L722" class="LineNr">722 </span> c3/return -<span id="L723" class="LineNr">723 </span> -<span id="L724" class="LineNr">724 </span><span class="subxComment"># minor fork of 'skip-chars-matching-in-slice'</span> -<span id="L725" class="LineNr">725 </span><span class="subxFunction">skip-chars-not-matching-in-slice</span>: <span class="subxComment"># curr : (address byte), end : (address byte), delimiter : byte -> curr/EAX</span> -<span id="L726" class="LineNr">726 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L727" class="LineNr">727 </span> 55/push-EBP -<span id="L728" class="LineNr">728 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L729" class="LineNr">729 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L730" class="LineNr">730 </span> 51/push-ECX -<span id="L731" class="LineNr">731 </span> 52/push-EDX -<span id="L732" class="LineNr">732 </span> 53/push-EBX -<span id="L733" class="LineNr">733 </span> <span class="subxComment"># EAX = curr</span> -<span id="L734" class="LineNr">734 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> -<span id="L735" class="LineNr">735 </span> <span class="subxComment"># ECX = end</span> -<span id="L736" class="LineNr">736 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ECX</span> -<span id="L737" class="LineNr">737 </span> <span class="subxComment"># EDX = delimiter</span> -<span id="L738" class="LineNr">738 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDX</span> -<span id="L739" class="LineNr">739 </span> <span class="subxComment"># EBX = 0</span> -<span id="L740" class="LineNr">740 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> -<span id="L741" class="LineNr">741 </span><span class="Constant">$skip-chars-not-matching-in-slice:loop</span>: -<span id="L742" class="LineNr">742 </span> <span class="subxComment"># if (curr >= end) break</span> -<span id="L743" class="LineNr">743 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX with ECX</span> -<span id="L744" class="LineNr">744 </span> 7d/jump-if-greater-or-equal $skip-chars-not-matching-in-slice:end/disp8 -<span id="L745" class="LineNr">745 </span> <span class="subxComment"># if (*curr == delimiter) break</span> -<span id="L746" class="LineNr">746 </span> 8a/copy-byte 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EAX to BL</span> -<span id="L747" class="LineNr">747 </span> 39/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EBX and EDX</span> -<span id="L748" class="LineNr">748 </span> 74/jump-if-equal $skip-chars-not-matching-in-slice:end/disp8 -<span id="L749" class="LineNr">749 </span> <span class="subxComment"># ++in->read</span> -<span id="L750" class="LineNr">750 </span> 40/inc-EAX -<span id="L751" class="LineNr">751 </span> eb/jump $skip-chars-not-matching-in-slice:loop/disp8 -<span id="L752" class="LineNr">752 </span><span class="Constant">$skip-chars-not-matching-in-slice:end</span>: -<span id="L753" class="LineNr">753 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L754" class="LineNr">754 </span> 5b/pop-to-EBX -<span id="L755" class="LineNr">755 </span> 5a/pop-to-EDX -<span id="L756" class="LineNr">756 </span> 59/pop-to-ECX -<span id="L757" class="LineNr">757 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L758" class="LineNr">758 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L759" class="LineNr">759 </span> 5d/pop-to-EBP -<span id="L760" class="LineNr">760 </span> c3/return -<span id="L761" class="LineNr">761 </span> -<span id="L762" class="LineNr">762 </span><span class="subxTest">test-skip-chars-not-matching-in-slice</span>: -<span id="L763" class="LineNr">763 </span> <span class="subxComment"># (EAX..ECX) = "ab "</span> -<span id="L764" class="LineNr">764 </span> b8/copy-to-EAX <span class="Constant">"ab "</span>/imm32 -<span id="L765" class="LineNr">765 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L766" class="LineNr">766 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> -<span id="L767" class="LineNr">767 </span> 05/add-to-EAX 4/imm32 -<span id="L768" class="LineNr">768 </span> <span class="subxComment"># EAX = skip-chars-not-matching-in-slice(EAX, ECX, 0x20/space)</span> -<span id="L769" class="LineNr">769 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L770" class="LineNr">770 </span> 68/push 0x20/imm32 -<span id="L771" class="LineNr">771 </span> 51/push-ECX -<span id="L772" class="LineNr">772 </span> 50/push-EAX -<span id="L773" class="LineNr">773 </span> <span class="subxS2Comment"># . . call</span> -<span id="L774" class="LineNr">774 </span> e8/call <a href='073next-token.subx.html#L725'>skip-chars-not-matching-in-slice</a>/disp32 -<span id="L775" class="LineNr">775 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L776" class="LineNr">776 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L777" class="LineNr">777 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 1, msg)</span> -<span id="L778" class="LineNr">778 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L779" class="LineNr">779 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-in-slice"</span>/imm32 -<span id="L780" class="LineNr">780 </span> 68/push 1/imm32 -<span id="L781" class="LineNr">781 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> -<span id="L782" class="LineNr">782 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> -<span id="L783" class="LineNr">783 </span> 51/push-ECX -<span id="L784" class="LineNr">784 </span> <span class="subxS2Comment"># . . call</span> -<span id="L785" class="LineNr">785 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L786" class="LineNr">786 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L787" class="LineNr">787 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L788" class="LineNr">788 </span> <span class="subxComment"># end</span> -<span id="L789" class="LineNr">789 </span> c3/return -<span id="L790" class="LineNr">790 </span> -<span id="L791" class="LineNr">791 </span><span class="subxTest">test-skip-chars-not-matching-in-slice-none</span>: -<span id="L792" class="LineNr">792 </span> <span class="subxComment"># (EAX..ECX) = " ab"</span> -<span id="L793" class="LineNr">793 </span> b8/copy-to-EAX <span class="Constant">" ab"</span>/imm32 -<span id="L794" class="LineNr">794 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L795" class="LineNr">795 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> -<span id="L796" class="LineNr">796 </span> 05/add-to-EAX 4/imm32 -<span id="L797" class="LineNr">797 </span> <span class="subxComment"># EAX = skip-chars-not-matching-in-slice(EAX, ECX, 0x20/space)</span> -<span id="L798" class="LineNr">798 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L799" class="LineNr">799 </span> 68/push 0x20/imm32 -<span id="L800" class="LineNr">800 </span> 51/push-ECX -<span id="L801" class="LineNr">801 </span> 50/push-EAX -<span id="L802" class="LineNr">802 </span> <span class="subxS2Comment"># . . call</span> -<span id="L803" class="LineNr">803 </span> e8/call <a href='073next-token.subx.html#L725'>skip-chars-not-matching-in-slice</a>/disp32 -<span id="L804" class="LineNr">804 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L805" class="LineNr">805 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L806" class="LineNr">806 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 3, msg)</span> -<span id="L807" class="LineNr">807 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L808" class="LineNr">808 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-in-slice-none"</span>/imm32 -<span id="L809" class="LineNr">809 </span> 68/push 3/imm32 -<span id="L810" class="LineNr">810 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> -<span id="L811" class="LineNr">811 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> -<span id="L812" class="LineNr">812 </span> 51/push-ECX -<span id="L813" class="LineNr">813 </span> <span class="subxS2Comment"># . . call</span> -<span id="L814" class="LineNr">814 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L815" class="LineNr">815 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L816" class="LineNr">816 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L817" class="LineNr">817 </span> <span class="subxComment"># end</span> -<span id="L818" class="LineNr">818 </span> c3/return -<span id="L819" class="LineNr">819 </span> -<span id="L820" class="LineNr">820 </span><span class="subxTest">test-skip-chars-not-matching-in-slice-all</span>: -<span id="L821" class="LineNr">821 </span> <span class="subxComment"># (EAX..ECX) = "ab"</span> -<span id="L822" class="LineNr">822 </span> b8/copy-to-EAX <span class="Constant">"ab"</span>/imm32 -<span id="L823" class="LineNr">823 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L824" class="LineNr">824 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> -<span id="L825" class="LineNr">825 </span> 05/add-to-EAX 4/imm32 -<span id="L826" class="LineNr">826 </span> <span class="subxComment"># EAX = skip-chars-not-matching-in-slice(EAX, ECX, 0x20/space)</span> -<span id="L827" class="LineNr">827 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L828" class="LineNr">828 </span> 68/push 0x20/imm32 -<span id="L829" class="LineNr">829 </span> 51/push-ECX -<span id="L830" class="LineNr">830 </span> 50/push-EAX -<span id="L831" class="LineNr">831 </span> <span class="subxS2Comment"># . . call</span> -<span id="L832" class="LineNr">832 </span> e8/call <a href='073next-token.subx.html#L725'>skip-chars-not-matching-in-slice</a>/disp32 -<span id="L833" class="LineNr">833 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L834" class="LineNr">834 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L835" class="LineNr">835 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 0, msg)</span> -<span id="L836" class="LineNr">836 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L837" class="LineNr">837 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-in-slice-all"</span>/imm32 -<span id="L838" class="LineNr">838 </span> 68/push 0/imm32 -<span id="L839" class="LineNr">839 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> -<span id="L840" class="LineNr">840 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> -<span id="L841" class="LineNr">841 </span> 51/push-ECX -<span id="L842" class="LineNr">842 </span> <span class="subxS2Comment"># . . call</span> -<span id="L843" class="LineNr">843 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L844" class="LineNr">844 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L845" class="LineNr">845 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L846" class="LineNr">846 </span> <span class="subxComment"># end</span> -<span id="L847" class="LineNr">847 </span> c3/return -<span id="L848" class="LineNr">848 </span> -<span id="L849" class="LineNr">849 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L283" class="LineNr">283 </span> <span class="subxS2Comment"># . . call</span> +<span id="L284" class="LineNr">284 </span> e8/call <a href='073next-token.subx.html#L168'>next-token-from-slice</a>/disp32 +<span id="L285" class="LineNr">285 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L286" class="LineNr">286 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L287" class="LineNr">287 </span> <span class="subxComment"># out should be empty</span> +<span id="L288" class="LineNr">288 </span> <span class="subxS1Comment"># . check-ints-equal(out->end - out->start, 0, msg)</span> +<span id="L289" class="LineNr">289 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L290" class="LineNr">290 </span> 68/push <span class="Constant">"F - test-next-token-from-slice-eof"</span>/imm32 +<span id="L291" class="LineNr">291 </span> 68/push 0/imm32 +<span id="L292" class="LineNr">292 </span> <span class="subxS2Comment"># . . push out->start - in->start</span> +<span id="L293" class="LineNr">293 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> +<span id="L294" class="LineNr">294 </span> 2b/subtract 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *EDI from ECX</span> +<span id="L295" class="LineNr">295 </span> 51/push-ECX +<span id="L296" class="LineNr">296 </span> <span class="subxS2Comment"># . . call</span> +<span id="L297" class="LineNr">297 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L298" class="LineNr">298 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L299" class="LineNr">299 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L300" class="LineNr">300 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L301" class="LineNr">301 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L302" class="LineNr">302 </span> 5d/pop-to-EBP +<span id="L303" class="LineNr">303 </span> c3/return +<span id="L304" class="LineNr">304 </span> +<span id="L305" class="LineNr">305 </span><span class="subxTest">test-next-token-from-slice-nothing</span>: +<span id="L306" class="LineNr">306 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L307" class="LineNr">307 </span> 55/push-EBP +<span id="L308" class="LineNr">308 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L309" class="LineNr">309 </span> <span class="subxComment"># (EAX..ECX) = " "</span> +<span id="L310" class="LineNr">310 </span> b8/copy-to-EAX <span class="Constant">" "</span>/imm32 +<span id="L311" class="LineNr">311 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L312" class="LineNr">312 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L313" class="LineNr">313 </span> 05/add-to-EAX 4/imm32 +<span id="L314" class="LineNr">314 </span> <span class="subxComment"># var out/EDI : (address slice) = {0, 0}</span> +<span id="L315" class="LineNr">315 </span> 68/push 0/imm32/end +<span id="L316" class="LineNr">316 </span> 68/push 0/imm32/start +<span id="L317" class="LineNr">317 </span> 89/copy 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDI</span> +<span id="L318" class="LineNr">318 </span> <span class="subxComment"># next-token-from-slice(in, 0x20/space, out)</span> +<span id="L319" class="LineNr">319 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L320" class="LineNr">320 </span> 57/push-EDI +<span id="L321" class="LineNr">321 </span> 68/push 0x20/imm32 +<span id="L322" class="LineNr">322 </span> 51/push-ECX +<span id="L323" class="LineNr">323 </span> 50/push-EAX +<span id="L324" class="LineNr">324 </span> <span class="subxS2Comment"># . . call</span> +<span id="L325" class="LineNr">325 </span> e8/call <a href='073next-token.subx.html#L168'>next-token-from-slice</a>/disp32 +<span id="L326" class="LineNr">326 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L327" class="LineNr">327 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L328" class="LineNr">328 </span> <span class="subxComment"># out should be empty</span> +<span id="L329" class="LineNr">329 </span> <span class="subxS1Comment"># . check-ints-equal(out->end - out->start, 0, msg)</span> +<span id="L330" class="LineNr">330 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L331" class="LineNr">331 </span> 68/push <span class="Constant">"F - test-next-token-from-slice-eof"</span>/imm32 +<span id="L332" class="LineNr">332 </span> 68/push 0/imm32 +<span id="L333" class="LineNr">333 </span> <span class="subxS2Comment"># . . push out->start - in->start</span> +<span id="L334" class="LineNr">334 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> +<span id="L335" class="LineNr">335 </span> 2b/subtract 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *EDI from ECX</span> +<span id="L336" class="LineNr">336 </span> 51/push-ECX +<span id="L337" class="LineNr">337 </span> <span class="subxS2Comment"># . . call</span> +<span id="L338" class="LineNr">338 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L339" class="LineNr">339 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L340" class="LineNr">340 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L341" class="LineNr">341 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L342" class="LineNr">342 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L343" class="LineNr">343 </span> 5d/pop-to-EBP +<span id="L344" class="LineNr">344 </span> c3/return +<span id="L345" class="LineNr">345 </span> +<span id="L346" class="LineNr">346 </span><span class="subxFunction">skip-chars-matching</span>: <span class="subxComment"># in : (address stream), delimiter : byte</span> +<span id="L347" class="LineNr">347 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L348" class="LineNr">348 </span> 55/push-EBP +<span id="L349" class="LineNr">349 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L350" class="LineNr">350 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L351" class="LineNr">351 </span> 50/push-EAX +<span id="L352" class="LineNr">352 </span> 51/push-ECX +<span id="L353" class="LineNr">353 </span> 52/push-EDX +<span id="L354" class="LineNr">354 </span> 56/push-ESI +<span id="L355" class="LineNr">355 </span> <span class="subxComment"># ESI = in</span> +<span id="L356" class="LineNr">356 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L357" class="LineNr">357 </span> <span class="subxComment"># ECX = in->read</span> +<span id="L358" class="LineNr">358 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> +<span id="L359" class="LineNr">359 </span> <span class="subxComment"># EBX = in->write</span> +<span id="L360" class="LineNr">360 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EBX</span> +<span id="L361" class="LineNr">361 </span> <span class="subxComment"># EDX = delimiter</span> +<span id="L362" class="LineNr">362 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDX</span> +<span id="L363" class="LineNr">363 </span><span class="Constant">$skip-chars-matching:loop</span>: +<span id="L364" class="LineNr">364 </span> <span class="subxComment"># if (in->read >= in->write) break</span> +<span id="L365" class="LineNr">365 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EBX</span> +<span id="L366" class="LineNr">366 </span> 7d/jump-if-greater-or-equal $skip-chars-matching:end/disp8 +<span id="L367" class="LineNr">367 </span> <span class="subxComment"># EAX = in->data[in->read]</span> +<span id="L368" class="LineNr">368 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L369" class="LineNr">369 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+12) to AL</span> +<span id="L370" class="LineNr">370 </span> <span class="subxComment"># if (EAX != delimiter) break</span> +<span id="L371" class="LineNr">371 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and EDX</span> +<span id="L372" class="LineNr">372 </span> 75/jump-if-not-equal $skip-chars-matching:end/disp8 +<span id="L373" class="LineNr">373 </span> <span class="subxComment"># ++in->read</span> +<span id="L374" class="LineNr">374 </span> 41/inc-ECX +<span id="L375" class="LineNr">375 </span> eb/jump $skip-chars-matching:loop/disp8 +<span id="L376" class="LineNr">376 </span><span class="Constant">$skip-chars-matching:end</span>: +<span id="L377" class="LineNr">377 </span> <span class="subxComment"># persist in->read</span> +<span id="L378" class="LineNr">378 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(ESI+4)</span> +<span id="L379" class="LineNr">379 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L380" class="LineNr">380 </span> 5e/pop-to-ESI +<span id="L381" class="LineNr">381 </span> 5a/pop-to-EDX +<span id="L382" class="LineNr">382 </span> 59/pop-to-ECX +<span id="L383" class="LineNr">383 </span> 58/pop-to-EAX +<span id="L384" class="LineNr">384 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L385" class="LineNr">385 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L386" class="LineNr">386 </span> 5d/pop-to-EBP +<span id="L387" class="LineNr">387 </span> c3/return +<span id="L388" class="LineNr">388 </span> +<span id="L389" class="LineNr">389 </span><span class="subxTest">test-skip-chars-matching</span>: +<span id="L390" class="LineNr">390 </span> <span class="subxComment"># setup</span> +<span id="L391" class="LineNr">391 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L392" class="LineNr">392 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L393" class="LineNr">393 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L394" class="LineNr">394 </span> <span class="subxS2Comment"># . . call</span> +<span id="L395" class="LineNr">395 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L396" class="LineNr">396 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L397" class="LineNr">397 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L398" class="LineNr">398 </span> <span class="subxComment"># write(_test-stream, " ab")</span> +<span id="L399" class="LineNr">399 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L400" class="LineNr">400 </span> 68/push <span class="Constant">" ab"</span>/imm32 +<span id="L401" class="LineNr">401 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L402" class="LineNr">402 </span> <span class="subxS2Comment"># . . call</span> +<span id="L403" class="LineNr">403 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L404" class="LineNr">404 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L405" class="LineNr">405 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L406" class="LineNr">406 </span> <span class="subxComment"># skip-chars-matching(_test-stream, 0x20/space)</span> +<span id="L407" class="LineNr">407 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L408" class="LineNr">408 </span> 68/push 0x20/imm32 +<span id="L409" class="LineNr">409 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L410" class="LineNr">410 </span> <span class="subxS2Comment"># . . call</span> +<span id="L411" class="LineNr">411 </span> e8/call <a href='073next-token.subx.html#L346'>skip-chars-matching</a>/disp32 +<span id="L412" class="LineNr">412 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L413" class="LineNr">413 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L414" class="LineNr">414 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> +<span id="L415" class="LineNr">415 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L416" class="LineNr">416 </span> 68/push <span class="Constant">"F - test-skip-chars-matching"</span>/imm32 +<span id="L417" class="LineNr">417 </span> 68/push 2/imm32 +<span id="L418" class="LineNr">418 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L419" class="LineNr">419 </span> b8/copy-to-EAX <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L420" class="LineNr">420 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L421" class="LineNr">421 </span> <span class="subxS2Comment"># . . call</span> +<span id="L422" class="LineNr">422 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L423" class="LineNr">423 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L424" class="LineNr">424 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L425" class="LineNr">425 </span> <span class="subxComment"># end</span> +<span id="L426" class="LineNr">426 </span> c3/return +<span id="L427" class="LineNr">427 </span> +<span id="L428" class="LineNr">428 </span><span class="subxTest">test-skip-chars-matching-none</span>: +<span id="L429" class="LineNr">429 </span> <span class="subxComment"># setup</span> +<span id="L430" class="LineNr">430 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L431" class="LineNr">431 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L432" class="LineNr">432 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L433" class="LineNr">433 </span> <span class="subxS2Comment"># . . call</span> +<span id="L434" class="LineNr">434 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L435" class="LineNr">435 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L436" class="LineNr">436 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L437" class="LineNr">437 </span> <span class="subxComment"># write(_test-stream, "ab")</span> +<span id="L438" class="LineNr">438 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L439" class="LineNr">439 </span> 68/push <span class="Constant">"ab"</span>/imm32 +<span id="L440" class="LineNr">440 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L441" class="LineNr">441 </span> <span class="subxS2Comment"># . . call</span> +<span id="L442" class="LineNr">442 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L443" class="LineNr">443 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L444" class="LineNr">444 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L445" class="LineNr">445 </span> <span class="subxComment"># skip-chars-matching(_test-stream, 0x20/space)</span> +<span id="L446" class="LineNr">446 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L447" class="LineNr">447 </span> 68/push 0x20/imm32 +<span id="L448" class="LineNr">448 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L449" class="LineNr">449 </span> <span class="subxS2Comment"># . . call</span> +<span id="L450" class="LineNr">450 </span> e8/call <a href='073next-token.subx.html#L346'>skip-chars-matching</a>/disp32 +<span id="L451" class="LineNr">451 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L452" class="LineNr">452 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L453" class="LineNr">453 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 0, msg)</span> +<span id="L454" class="LineNr">454 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L455" class="LineNr">455 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-none"</span>/imm32 +<span id="L456" class="LineNr">456 </span> 68/push 0/imm32 +<span id="L457" class="LineNr">457 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L458" class="LineNr">458 </span> b8/copy-to-EAX <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L459" class="LineNr">459 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L460" class="LineNr">460 </span> <span class="subxS2Comment"># . . call</span> +<span id="L461" class="LineNr">461 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L462" class="LineNr">462 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L463" class="LineNr">463 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L464" class="LineNr">464 </span> <span class="subxComment"># end</span> +<span id="L465" class="LineNr">465 </span> c3/return +<span id="L466" class="LineNr">466 </span> +<span id="L467" class="LineNr">467 </span><span class="subxComment"># minor fork of 'skip-chars-matching'</span> +<span id="L468" class="LineNr">468 </span><span class="subxFunction">skip-chars-not-matching</span>: <span class="subxComment"># in : (address stream), delimiter : byte</span> +<span id="L469" class="LineNr">469 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L470" class="LineNr">470 </span> 55/push-EBP +<span id="L471" class="LineNr">471 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L472" class="LineNr">472 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L473" class="LineNr">473 </span> 50/push-EAX +<span id="L474" class="LineNr">474 </span> 51/push-ECX +<span id="L475" class="LineNr">475 </span> 52/push-EDX +<span id="L476" class="LineNr">476 </span> 56/push-ESI +<span id="L477" class="LineNr">477 </span> <span class="subxComment"># ESI = in</span> +<span id="L478" class="LineNr">478 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L479" class="LineNr">479 </span> <span class="subxComment"># ECX = in->read</span> +<span id="L480" class="LineNr">480 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> +<span id="L481" class="LineNr">481 </span> <span class="subxComment"># EBX = in->write</span> +<span id="L482" class="LineNr">482 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EBX</span> +<span id="L483" class="LineNr">483 </span> <span class="subxComment"># EDX = delimiter</span> +<span id="L484" class="LineNr">484 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDX</span> +<span id="L485" class="LineNr">485 </span><span class="Constant">$skip-chars-not-matching:loop</span>: +<span id="L486" class="LineNr">486 </span> <span class="subxComment"># if (in->read >= in->write) break</span> +<span id="L487" class="LineNr">487 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX with EBX</span> +<span id="L488" class="LineNr">488 </span> 7d/jump-if-greater-or-equal $skip-chars-not-matching:end/disp8 +<span id="L489" class="LineNr">489 </span> <span class="subxComment"># EAX = in->data[in->read]</span> +<span id="L490" class="LineNr">490 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L491" class="LineNr">491 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+12) to AL</span> +<span id="L492" class="LineNr">492 </span> <span class="subxComment"># if (EAX == delimiter) break</span> +<span id="L493" class="LineNr">493 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX and EDX</span> +<span id="L494" class="LineNr">494 </span> 74/jump-if-equal $skip-chars-not-matching:end/disp8 +<span id="L495" class="LineNr">495 </span> <span class="subxComment"># ++in->read</span> +<span id="L496" class="LineNr">496 </span> 41/inc-ECX +<span id="L497" class="LineNr">497 </span> eb/jump $skip-chars-not-matching:loop/disp8 +<span id="L498" class="LineNr">498 </span><span class="Constant">$skip-chars-not-matching:end</span>: +<span id="L499" class="LineNr">499 </span> <span class="subxComment"># persist in->read</span> +<span id="L500" class="LineNr">500 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *(ESI+4)</span> +<span id="L501" class="LineNr">501 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L502" class="LineNr">502 </span> 5e/pop-to-ESI +<span id="L503" class="LineNr">503 </span> 5a/pop-to-EDX +<span id="L504" class="LineNr">504 </span> 59/pop-to-ECX +<span id="L505" class="LineNr">505 </span> 58/pop-to-EAX +<span id="L506" class="LineNr">506 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L507" class="LineNr">507 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L508" class="LineNr">508 </span> 5d/pop-to-EBP +<span id="L509" class="LineNr">509 </span> c3/return +<span id="L510" class="LineNr">510 </span> +<span id="L511" class="LineNr">511 </span><span class="subxTest">test-skip-chars-not-matching</span>: +<span id="L512" class="LineNr">512 </span> <span class="subxComment"># setup</span> +<span id="L513" class="LineNr">513 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L514" class="LineNr">514 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L515" class="LineNr">515 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L516" class="LineNr">516 </span> <span class="subxS2Comment"># . . call</span> +<span id="L517" class="LineNr">517 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L518" class="LineNr">518 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L519" class="LineNr">519 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L520" class="LineNr">520 </span> <span class="subxComment"># write(_test-stream, "ab ")</span> +<span id="L521" class="LineNr">521 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L522" class="LineNr">522 </span> 68/push <span class="Constant">"ab "</span>/imm32 +<span id="L523" class="LineNr">523 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L524" class="LineNr">524 </span> <span class="subxS2Comment"># . . call</span> +<span id="L525" class="LineNr">525 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L526" class="LineNr">526 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L527" class="LineNr">527 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L528" class="LineNr">528 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> +<span id="L529" class="LineNr">529 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L530" class="LineNr">530 </span> 68/push 0x20/imm32 +<span id="L531" class="LineNr">531 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L532" class="LineNr">532 </span> <span class="subxS2Comment"># . . call</span> +<span id="L533" class="LineNr">533 </span> e8/call <a href='073next-token.subx.html#L468'>skip-chars-not-matching</a>/disp32 +<span id="L534" class="LineNr">534 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L535" class="LineNr">535 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L536" class="LineNr">536 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> +<span id="L537" class="LineNr">537 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L538" class="LineNr">538 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching"</span>/imm32 +<span id="L539" class="LineNr">539 </span> 68/push 2/imm32 +<span id="L540" class="LineNr">540 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L541" class="LineNr">541 </span> b8/copy-to-EAX <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L542" class="LineNr">542 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L543" class="LineNr">543 </span> <span class="subxS2Comment"># . . call</span> +<span id="L544" class="LineNr">544 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L545" class="LineNr">545 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L546" class="LineNr">546 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L547" class="LineNr">547 </span> <span class="subxComment"># end</span> +<span id="L548" class="LineNr">548 </span> c3/return +<span id="L549" class="LineNr">549 </span> +<span id="L550" class="LineNr">550 </span><span class="subxTest">test-skip-chars-not-matching-none</span>: +<span id="L551" class="LineNr">551 </span> <span class="subxComment"># setup</span> +<span id="L552" class="LineNr">552 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L553" class="LineNr">553 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L554" class="LineNr">554 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L555" class="LineNr">555 </span> <span class="subxS2Comment"># . . call</span> +<span id="L556" class="LineNr">556 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L557" class="LineNr">557 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L558" class="LineNr">558 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L559" class="LineNr">559 </span> <span class="subxComment"># write(_test-stream, " ab")</span> +<span id="L560" class="LineNr">560 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L561" class="LineNr">561 </span> 68/push <span class="Constant">" ab"</span>/imm32 +<span id="L562" class="LineNr">562 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L563" class="LineNr">563 </span> <span class="subxS2Comment"># . . call</span> +<span id="L564" class="LineNr">564 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L565" class="LineNr">565 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L566" class="LineNr">566 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L567" class="LineNr">567 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> +<span id="L568" class="LineNr">568 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L569" class="LineNr">569 </span> 68/push 0x20/imm32 +<span id="L570" class="LineNr">570 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L571" class="LineNr">571 </span> <span class="subxS2Comment"># . . call</span> +<span id="L572" class="LineNr">572 </span> e8/call <a href='073next-token.subx.html#L468'>skip-chars-not-matching</a>/disp32 +<span id="L573" class="LineNr">573 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L574" class="LineNr">574 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L575" class="LineNr">575 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 0, msg)</span> +<span id="L576" class="LineNr">576 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L577" class="LineNr">577 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-none"</span>/imm32 +<span id="L578" class="LineNr">578 </span> 68/push 0/imm32 +<span id="L579" class="LineNr">579 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L580" class="LineNr">580 </span> b8/copy-to-EAX <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L581" class="LineNr">581 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L582" class="LineNr">582 </span> <span class="subxS2Comment"># . . call</span> +<span id="L583" class="LineNr">583 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L584" class="LineNr">584 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L585" class="LineNr">585 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L586" class="LineNr">586 </span> <span class="subxComment"># end</span> +<span id="L587" class="LineNr">587 </span> c3/return +<span id="L588" class="LineNr">588 </span> +<span id="L589" class="LineNr">589 </span><span class="subxTest">test-skip-chars-not-matching-all</span>: +<span id="L590" class="LineNr">590 </span> <span class="subxComment"># setup</span> +<span id="L591" class="LineNr">591 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L592" class="LineNr">592 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L593" class="LineNr">593 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L594" class="LineNr">594 </span> <span class="subxS2Comment"># . . call</span> +<span id="L595" class="LineNr">595 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L596" class="LineNr">596 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L597" class="LineNr">597 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L598" class="LineNr">598 </span> <span class="subxComment"># write(_test-stream, "ab")</span> +<span id="L599" class="LineNr">599 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L600" class="LineNr">600 </span> 68/push <span class="Constant">"ab"</span>/imm32 +<span id="L601" class="LineNr">601 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L602" class="LineNr">602 </span> <span class="subxS2Comment"># . . call</span> +<span id="L603" class="LineNr">603 </span> e8/call <a href='057write.subx.html#L24'>write</a>/disp32 +<span id="L604" class="LineNr">604 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L605" class="LineNr">605 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L606" class="LineNr">606 </span> <span class="subxComment"># skip-chars-not-matching(_test-stream, 0x20/space)</span> +<span id="L607" class="LineNr">607 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L608" class="LineNr">608 </span> 68/push 0x20/imm32 +<span id="L609" class="LineNr">609 </span> 68/push <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L610" class="LineNr">610 </span> <span class="subxS2Comment"># . . call</span> +<span id="L611" class="LineNr">611 </span> e8/call <a href='073next-token.subx.html#L468'>skip-chars-not-matching</a>/disp32 +<span id="L612" class="LineNr">612 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L613" class="LineNr">613 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L614" class="LineNr">614 </span> <span class="subxComment"># check-ints-equal(_test-stream->read, 2, msg)</span> +<span id="L615" class="LineNr">615 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L616" class="LineNr">616 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-all"</span>/imm32 +<span id="L617" class="LineNr">617 </span> 68/push 2/imm32 +<span id="L618" class="LineNr">618 </span> <span class="subxS2Comment"># . . push *_test-stream->read</span> +<span id="L619" class="LineNr">619 </span> b8/copy-to-EAX <a href='057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L620" class="LineNr">620 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L621" class="LineNr">621 </span> <span class="subxS2Comment"># . . call</span> +<span id="L622" class="LineNr">622 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L623" class="LineNr">623 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L624" class="LineNr">624 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L625" class="LineNr">625 </span> <span class="subxComment"># end</span> +<span id="L626" class="LineNr">626 </span> c3/return +<span id="L627" class="LineNr">627 </span> +<span id="L628" class="LineNr">628 </span><span class="subxFunction">skip-chars-matching-in-slice</span>: <span class="subxComment"># curr : (address byte), end : (address byte), delimiter : byte -> curr/EAX</span> +<span id="L629" class="LineNr">629 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L630" class="LineNr">630 </span> 55/push-EBP +<span id="L631" class="LineNr">631 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L632" class="LineNr">632 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L633" class="LineNr">633 </span> 51/push-ECX +<span id="L634" class="LineNr">634 </span> 52/push-EDX +<span id="L635" class="LineNr">635 </span> 53/push-EBX +<span id="L636" class="LineNr">636 </span> <span class="subxComment"># EAX = curr</span> +<span id="L637" class="LineNr">637 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> +<span id="L638" class="LineNr">638 </span> <span class="subxComment"># ECX = end</span> +<span id="L639" class="LineNr">639 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ECX</span> +<span id="L640" class="LineNr">640 </span> <span class="subxComment"># EDX = delimiter</span> +<span id="L641" class="LineNr">641 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDX</span> +<span id="L642" class="LineNr">642 </span> <span class="subxComment"># EBX = 0</span> +<span id="L643" class="LineNr">643 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> +<span id="L644" class="LineNr">644 </span><span class="Constant">$skip-chars-matching-in-slice:loop</span>: +<span id="L645" class="LineNr">645 </span> <span class="subxComment"># if (curr >= end) break</span> +<span id="L646" class="LineNr">646 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX with ECX</span> +<span id="L647" class="LineNr">647 </span> 7d/jump-if-greater-or-equal $skip-chars-matching-in-slice:end/disp8 +<span id="L648" class="LineNr">648 </span> <span class="subxComment"># if (*curr != delimiter) break</span> +<span id="L649" class="LineNr">649 </span> 8a/copy-byte 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EAX to BL</span> +<span id="L650" class="LineNr">650 </span> 39/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EBX and EDX</span> +<span id="L651" class="LineNr">651 </span> 75/jump-if-not-equal $skip-chars-matching-in-slice:end/disp8 +<span id="L652" class="LineNr">652 </span> <span class="subxComment"># ++in->read</span> +<span id="L653" class="LineNr">653 </span> 40/inc-EAX +<span id="L654" class="LineNr">654 </span> eb/jump $skip-chars-matching-in-slice:loop/disp8 +<span id="L655" class="LineNr">655 </span><span class="Constant">$skip-chars-matching-in-slice:end</span>: +<span id="L656" class="LineNr">656 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L657" class="LineNr">657 </span> 5b/pop-to-EBX +<span id="L658" class="LineNr">658 </span> 5a/pop-to-EDX +<span id="L659" class="LineNr">659 </span> 59/pop-to-ECX +<span id="L660" class="LineNr">660 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L661" class="LineNr">661 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L662" class="LineNr">662 </span> 5d/pop-to-EBP +<span id="L663" class="LineNr">663 </span> c3/return +<span id="L664" class="LineNr">664 </span> +<span id="L665" class="LineNr">665 </span><span class="subxTest">test-skip-chars-matching-in-slice</span>: +<span id="L666" class="LineNr">666 </span> <span class="subxComment"># (EAX..ECX) = " ab"</span> +<span id="L667" class="LineNr">667 </span> b8/copy-to-EAX <span class="Constant">" ab"</span>/imm32 +<span id="L668" class="LineNr">668 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L669" class="LineNr">669 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L670" class="LineNr">670 </span> 05/add-to-EAX 4/imm32 +<span id="L671" class="LineNr">671 </span> <span class="subxComment"># EAX = skip-chars-matching-in-slice(EAX, ECX, 0x20/space)</span> +<span id="L672" class="LineNr">672 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L673" class="LineNr">673 </span> 68/push 0x20/imm32 +<span id="L674" class="LineNr">674 </span> 51/push-ECX +<span id="L675" class="LineNr">675 </span> 50/push-EAX +<span id="L676" class="LineNr">676 </span> <span class="subxS2Comment"># . . call</span> +<span id="L677" class="LineNr">677 </span> e8/call <a href='073next-token.subx.html#L628'>skip-chars-matching-in-slice</a>/disp32 +<span id="L678" class="LineNr">678 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L679" class="LineNr">679 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L680" class="LineNr">680 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 2, msg)</span> +<span id="L681" class="LineNr">681 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L682" class="LineNr">682 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-in-slice"</span>/imm32 +<span id="L683" class="LineNr">683 </span> 68/push 2/imm32 +<span id="L684" class="LineNr">684 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> +<span id="L685" class="LineNr">685 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> +<span id="L686" class="LineNr">686 </span> 51/push-ECX +<span id="L687" class="LineNr">687 </span> <span class="subxS2Comment"># . . call</span> +<span id="L688" class="LineNr">688 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L689" class="LineNr">689 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L690" class="LineNr">690 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L691" class="LineNr">691 </span> <span class="subxComment"># end</span> +<span id="L692" class="LineNr">692 </span> c3/return +<span id="L693" class="LineNr">693 </span> +<span id="L694" class="LineNr">694 </span><span class="subxTest">test-skip-chars-matching-in-slice-none</span>: +<span id="L695" class="LineNr">695 </span> <span class="subxComment"># (EAX..ECX) = "ab"</span> +<span id="L696" class="LineNr">696 </span> b8/copy-to-EAX <span class="Constant">"ab"</span>/imm32 +<span id="L697" class="LineNr">697 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L698" class="LineNr">698 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L699" class="LineNr">699 </span> 05/add-to-EAX 4/imm32 +<span id="L700" class="LineNr">700 </span> <span class="subxComment"># EAX = skip-chars-matching-in-slice(EAX, ECX, 0x20/space)</span> +<span id="L701" class="LineNr">701 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L702" class="LineNr">702 </span> 68/push 0x20/imm32 +<span id="L703" class="LineNr">703 </span> 51/push-ECX +<span id="L704" class="LineNr">704 </span> 50/push-EAX +<span id="L705" class="LineNr">705 </span> <span class="subxS2Comment"># . . call</span> +<span id="L706" class="LineNr">706 </span> e8/call <a href='073next-token.subx.html#L628'>skip-chars-matching-in-slice</a>/disp32 +<span id="L707" class="LineNr">707 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L708" class="LineNr">708 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L709" class="LineNr">709 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 2, msg)</span> +<span id="L710" class="LineNr">710 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L711" class="LineNr">711 </span> 68/push <span class="Constant">"F - test-skip-chars-matching-in-slice-none"</span>/imm32 +<span id="L712" class="LineNr">712 </span> 68/push 2/imm32 +<span id="L713" class="LineNr">713 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> +<span id="L714" class="LineNr">714 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> +<span id="L715" class="LineNr">715 </span> 51/push-ECX +<span id="L716" class="LineNr">716 </span> <span class="subxS2Comment"># . . call</span> +<span id="L717" class="LineNr">717 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L718" class="LineNr">718 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L719" class="LineNr">719 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L720" class="LineNr">720 </span> <span class="subxComment"># end</span> +<span id="L721" class="LineNr">721 </span> c3/return +<span id="L722" class="LineNr">722 </span> +<span id="L723" class="LineNr">723 </span><span class="subxComment"># minor fork of 'skip-chars-matching-in-slice'</span> +<span id="L724" class="LineNr">724 </span><span class="subxFunction">skip-chars-not-matching-in-slice</span>: <span class="subxComment"># curr : (address byte), end : (address byte), delimiter : byte -> curr/EAX</span> +<span id="L725" class="LineNr">725 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L726" class="LineNr">726 </span> 55/push-EBP +<span id="L727" class="LineNr">727 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L728" class="LineNr">728 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L729" class="LineNr">729 </span> 51/push-ECX +<span id="L730" class="LineNr">730 </span> 52/push-EDX +<span id="L731" class="LineNr">731 </span> 53/push-EBX +<span id="L732" class="LineNr">732 </span> <span class="subxComment"># EAX = curr</span> +<span id="L733" class="LineNr">733 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> +<span id="L734" class="LineNr">734 </span> <span class="subxComment"># ECX = end</span> +<span id="L735" class="LineNr">735 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ECX</span> +<span id="L736" class="LineNr">736 </span> <span class="subxComment"># EDX = delimiter</span> +<span id="L737" class="LineNr">737 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDX</span> +<span id="L738" class="LineNr">738 </span> <span class="subxComment"># EBX = 0</span> +<span id="L739" class="LineNr">739 </span> 31/xor 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EBX</span> +<span id="L740" class="LineNr">740 </span><span class="Constant">$skip-chars-not-matching-in-slice:loop</span>: +<span id="L741" class="LineNr">741 </span> <span class="subxComment"># if (curr >= end) break</span> +<span id="L742" class="LineNr">742 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EAX with ECX</span> +<span id="L743" class="LineNr">743 </span> 7d/jump-if-greater-or-equal $skip-chars-not-matching-in-slice:end/disp8 +<span id="L744" class="LineNr">744 </span> <span class="subxComment"># if (*curr == delimiter) break</span> +<span id="L745" class="LineNr">745 </span> 8a/copy-byte 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *EAX to BL</span> +<span id="L746" class="LineNr">746 </span> 39/compare 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EBX and EDX</span> +<span id="L747" class="LineNr">747 </span> 74/jump-if-equal $skip-chars-not-matching-in-slice:end/disp8 +<span id="L748" class="LineNr">748 </span> <span class="subxComment"># ++in->read</span> +<span id="L749" class="LineNr">749 </span> 40/inc-EAX +<span id="L750" class="LineNr">750 </span> eb/jump $skip-chars-not-matching-in-slice:loop/disp8 +<span id="L751" class="LineNr">751 </span><span class="Constant">$skip-chars-not-matching-in-slice:end</span>: +<span id="L752" class="LineNr">752 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L753" class="LineNr">753 </span> 5b/pop-to-EBX +<span id="L754" class="LineNr">754 </span> 5a/pop-to-EDX +<span id="L755" class="LineNr">755 </span> 59/pop-to-ECX +<span id="L756" class="LineNr">756 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L757" class="LineNr">757 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L758" class="LineNr">758 </span> 5d/pop-to-EBP +<span id="L759" class="LineNr">759 </span> c3/return +<span id="L760" class="LineNr">760 </span> +<span id="L761" class="LineNr">761 </span><span class="subxTest">test-skip-chars-not-matching-in-slice</span>: +<span id="L762" class="LineNr">762 </span> <span class="subxComment"># (EAX..ECX) = "ab "</span> +<span id="L763" class="LineNr">763 </span> b8/copy-to-EAX <span class="Constant">"ab "</span>/imm32 +<span id="L764" class="LineNr">764 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L765" class="LineNr">765 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L766" class="LineNr">766 </span> 05/add-to-EAX 4/imm32 +<span id="L767" class="LineNr">767 </span> <span class="subxComment"># EAX = skip-chars-not-matching-in-slice(EAX, ECX, 0x20/space)</span> +<span id="L768" class="LineNr">768 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L769" class="LineNr">769 </span> 68/push 0x20/imm32 +<span id="L770" class="LineNr">770 </span> 51/push-ECX +<span id="L771" class="LineNr">771 </span> 50/push-EAX +<span id="L772" class="LineNr">772 </span> <span class="subxS2Comment"># . . call</span> +<span id="L773" class="LineNr">773 </span> e8/call <a href='073next-token.subx.html#L724'>skip-chars-not-matching-in-slice</a>/disp32 +<span id="L774" class="LineNr">774 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L775" class="LineNr">775 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L776" class="LineNr">776 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 1, msg)</span> +<span id="L777" class="LineNr">777 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L778" class="LineNr">778 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-in-slice"</span>/imm32 +<span id="L779" class="LineNr">779 </span> 68/push 1/imm32 +<span id="L780" class="LineNr">780 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> +<span id="L781" class="LineNr">781 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> +<span id="L782" class="LineNr">782 </span> 51/push-ECX +<span id="L783" class="LineNr">783 </span> <span class="subxS2Comment"># . . call</span> +<span id="L784" class="LineNr">784 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L785" class="LineNr">785 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L786" class="LineNr">786 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L787" class="LineNr">787 </span> <span class="subxComment"># end</span> +<span id="L788" class="LineNr">788 </span> c3/return +<span id="L789" class="LineNr">789 </span> +<span id="L790" class="LineNr">790 </span><span class="subxTest">test-skip-chars-not-matching-in-slice-none</span>: +<span id="L791" class="LineNr">791 </span> <span class="subxComment"># (EAX..ECX) = " ab"</span> +<span id="L792" class="LineNr">792 </span> b8/copy-to-EAX <span class="Constant">" ab"</span>/imm32 +<span id="L793" class="LineNr">793 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L794" class="LineNr">794 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L795" class="LineNr">795 </span> 05/add-to-EAX 4/imm32 +<span id="L796" class="LineNr">796 </span> <span class="subxComment"># EAX = skip-chars-not-matching-in-slice(EAX, ECX, 0x20/space)</span> +<span id="L797" class="LineNr">797 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L798" class="LineNr">798 </span> 68/push 0x20/imm32 +<span id="L799" class="LineNr">799 </span> 51/push-ECX +<span id="L800" class="LineNr">800 </span> 50/push-EAX +<span id="L801" class="LineNr">801 </span> <span class="subxS2Comment"># . . call</span> +<span id="L802" class="LineNr">802 </span> e8/call <a href='073next-token.subx.html#L724'>skip-chars-not-matching-in-slice</a>/disp32 +<span id="L803" class="LineNr">803 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L804" class="LineNr">804 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L805" class="LineNr">805 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 3, msg)</span> +<span id="L806" class="LineNr">806 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L807" class="LineNr">807 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-in-slice-none"</span>/imm32 +<span id="L808" class="LineNr">808 </span> 68/push 3/imm32 +<span id="L809" class="LineNr">809 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> +<span id="L810" class="LineNr">810 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> +<span id="L811" class="LineNr">811 </span> 51/push-ECX +<span id="L812" class="LineNr">812 </span> <span class="subxS2Comment"># . . call</span> +<span id="L813" class="LineNr">813 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L814" class="LineNr">814 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L815" class="LineNr">815 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L816" class="LineNr">816 </span> <span class="subxComment"># end</span> +<span id="L817" class="LineNr">817 </span> c3/return +<span id="L818" class="LineNr">818 </span> +<span id="L819" class="LineNr">819 </span><span class="subxTest">test-skip-chars-not-matching-in-slice-all</span>: +<span id="L820" class="LineNr">820 </span> <span class="subxComment"># (EAX..ECX) = "ab"</span> +<span id="L821" class="LineNr">821 </span> b8/copy-to-EAX <span class="Constant">"ab"</span>/imm32 +<span id="L822" class="LineNr">822 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L823" class="LineNr">823 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L824" class="LineNr">824 </span> 05/add-to-EAX 4/imm32 +<span id="L825" class="LineNr">825 </span> <span class="subxComment"># EAX = skip-chars-not-matching-in-slice(EAX, ECX, 0x20/space)</span> +<span id="L826" class="LineNr">826 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L827" class="LineNr">827 </span> 68/push 0x20/imm32 +<span id="L828" class="LineNr">828 </span> 51/push-ECX +<span id="L829" class="LineNr">829 </span> 50/push-EAX +<span id="L830" class="LineNr">830 </span> <span class="subxS2Comment"># . . call</span> +<span id="L831" class="LineNr">831 </span> e8/call <a href='073next-token.subx.html#L724'>skip-chars-not-matching-in-slice</a>/disp32 +<span id="L832" class="LineNr">832 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L833" class="LineNr">833 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L834" class="LineNr">834 </span> <span class="subxComment"># check-ints-equal(ECX-EAX, 0, msg)</span> +<span id="L835" class="LineNr">835 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L836" class="LineNr">836 </span> 68/push <span class="Constant">"F - test-skip-chars-not-matching-in-slice-all"</span>/imm32 +<span id="L837" class="LineNr">837 </span> 68/push 0/imm32 +<span id="L838" class="LineNr">838 </span> <span class="subxS2Comment"># . . push ECX-EAX</span> +<span id="L839" class="LineNr">839 </span> 29/subtract 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract EAX from ECX</span> +<span id="L840" class="LineNr">840 </span> 51/push-ECX +<span id="L841" class="LineNr">841 </span> <span class="subxS2Comment"># . . call</span> +<span id="L842" class="LineNr">842 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L843" class="LineNr">843 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L844" class="LineNr">844 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L845" class="LineNr">845 </span> <span class="subxComment"># end</span> +<span id="L846" class="LineNr">846 </span> c3/return +<span id="L847" class="LineNr">847 </span> +<span id="L848" class="LineNr">848 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/apps/crenshaw2-1.subx.html b/html/subx/apps/crenshaw2-1.subx.html index 9e4dbb9f..7a957d61 100644 --- a/html/subx/apps/crenshaw2-1.subx.html +++ b/html/subx/apps/crenshaw2-1.subx.html @@ -18,13 +18,13 @@ a { color:inherit; } .subxS2Comment { color: #8a8a8a; } .LineNr { } .subxS1Comment { color: #0000af; } -.CommentedCode { color: #8a8a8a; } +.SpecialChar { color: #d70000; } .Constant { color: #008787; } .subxFunction { color: #af5f00; text-decoration: underline; } .subxMinorFunction { color: #875f5f; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } .subxTest { color: #5f8700; } -.SpecialChar { color: #d70000; } +.CommentedCode { color: #8a8a8a; } .subxH1Comment { color: #005faf; text-decoration: underline; } --> </style> @@ -93,574 +93,575 @@ if ('onhashchange' in window) { <span id="L30" class="LineNr"> 30 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L31" class="LineNr"> 31 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L32" class="LineNr"> 32 </span> -<span id="L33" class="LineNr"> 33 </span><span class="CommentedCode">#? # for debugging: run a single test; don't bother setting status code</span> -<span id="L34" class="LineNr"> 34 </span><span class="CommentedCode">#? e8/call test-get-num-reads-single-digit/disp32</span> -<span id="L35" class="LineNr"> 35 </span><span class="CommentedCode">#? eb/jump $main:end/disp8</span> -<span id="L36" class="LineNr"> 36 </span> -<span id="L37" class="LineNr"> 37 </span><span class="subxComment"># main: run tests if necessary, call 'compile' if not</span> -<span id="L38" class="LineNr"> 38 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L39" class="LineNr"> 39 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L40" class="LineNr"> 40 </span> <span class="subxH1Comment"># - if argc > 1 and argv[1] == "test", then return run_tests()</span> -<span id="L41" class="LineNr"> 41 </span> <span class="subxS1Comment"># . argc > 1</span> -<span id="L42" class="LineNr"> 42 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/disp8 1/imm32 <span class="subxComment"># compare *EBP</span> -<span id="L43" class="LineNr"> 43 </span> 7e/jump-if-lesser-or-equal $run-main/disp8 -<span id="L44" class="LineNr"> 44 </span> <span class="subxS1Comment"># . argv[1] == "test"</span> -<span id="L45" class="LineNr"> 45 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L46" class="LineNr"> 46 </span> 68/push <span class="Constant">"test"</span>/imm32 -<span id="L47" class="LineNr"> 47 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L48" class="LineNr"> 48 </span> <span class="subxS2Comment"># . . call</span> -<span id="L49" class="LineNr"> 49 </span> e8/call <a href='../052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 -<span id="L50" class="LineNr"> 50 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L51" class="LineNr"> 51 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L52" class="LineNr"> 52 </span> <span class="subxS1Comment"># . check result</span> -<span id="L53" class="LineNr"> 53 </span> 3d/compare-EAX 1/imm32 -<span id="L54" class="LineNr"> 54 </span> 75/jump-if-not-equal $run-main/disp8 -<span id="L55" class="LineNr"> 55 </span> <span class="subxS1Comment"># . run-tests()</span> -<span id="L56" class="LineNr"> 56 </span> e8/call run-tests/disp32 -<span id="L57" class="LineNr"> 57 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='../051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L58" class="LineNr"> 58 </span> eb/jump $main:end/disp8 -<span id="L59" class="LineNr"> 59 </span><span class="Constant">$run-main</span>: -<span id="L60" class="LineNr"> 60 </span> <span class="subxH1Comment"># - otherwise read a program from stdin and emit its translation to stdout</span> -<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># var ed/EAX : exit-descriptor</span> -<span id="L62" class="LineNr"> 62 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L63" class="LineNr"> 63 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> -<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># configure ed to really exit()</span> -<span id="L65" class="LineNr"> 65 </span> <span class="subxS1Comment"># . ed->target = 0</span> -<span id="L66" class="LineNr"> 66 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> -<span id="L67" class="LineNr"> 67 </span> <span class="subxComment"># return compile(Stdin, 1/stdout, 2/stderr, ed)</span> -<span id="L68" class="LineNr"> 68 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L69" class="LineNr"> 69 </span> 50/push-EAX/ed -<span id="L70" class="LineNr"> 70 </span> 68/push 2/imm32/stderr -<span id="L71" class="LineNr"> 71 </span> 68/push 1/imm32/stdout -<span id="L72" class="LineNr"> 72 </span> 68/push <span class="SpecialChar"><a href='../061read-byte.subx.html#L14'>Stdin</a></span>/imm32 -<span id="L73" class="LineNr"> 73 </span> <span class="subxS2Comment"># . . call</span> -<span id="L74" class="LineNr"> 74 </span> e8/call <a href='crenshaw2-1.subx.html#L84'>compile</a>/disp32 -<span id="L75" class="LineNr"> 75 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L76" class="LineNr"> 76 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L77" class="LineNr"> 77 </span> <span class="subxS1Comment"># . syscall(exit, 0)</span> -<span id="L78" class="LineNr"> 78 </span> bb/copy-to-EBX 0/imm32 -<span id="L79" class="LineNr"> 79 </span><span class="Constant">$main:end</span>: -<span id="L80" class="LineNr"> 80 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L81" class="LineNr"> 81 </span> cd/syscall 0x80/imm8 -<span id="L82" class="LineNr"> 82 </span> -<span id="L83" class="LineNr"> 83 </span><span class="subxComment"># the main entry point</span> -<span id="L84" class="LineNr"> 84 </span><span class="subxFunction">compile</span>: <span class="subxComment"># in : (address buffered-file), out : fd or (address stream), err : fd or (address stream), ed : (address exit-descriptor) -> <void></span> -<span id="L85" class="LineNr"> 85 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L86" class="LineNr"> 86 </span> 55/push-EBP -<span id="L87" class="LineNr"> 87 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L88" class="LineNr"> 88 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L89" class="LineNr"> 89 </span> 50/push-EAX -<span id="L90" class="LineNr"> 90 </span> 51/push-ECX -<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># prime the pump</span> -<span id="L92" class="LineNr"> 92 </span> <span class="subxS1Comment"># . Look = get-char(in)</span> -<span id="L93" class="LineNr"> 93 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L94" class="LineNr"> 94 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L95" class="LineNr"> 95 </span> <span class="subxS2Comment"># . . call</span> -<span id="L96" class="LineNr"> 96 </span> e8/call <a href='crenshaw2-1.subx.html#L532'>get-char</a>/disp32 -<span id="L97" class="LineNr"> 97 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L98" class="LineNr"> 98 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># var num/ECX : (address stream) on the stack</span> -<span id="L100" class="LineNr">100 </span> <span class="subxComment"># Numbers can be 32 bits or 8 hex bytes long. One of them will be in 'Look', so we need space for 7 bytes.</span> -<span id="L101" class="LineNr">101 </span> <span class="subxComment"># Sizing the stream just right buys us overflow-handling for free inside 'get-num'.</span> -<span id="L102" class="LineNr">102 </span> <span class="subxComment"># Add 12 bytes for 'read', 'write' and 'length' fields, for a total of 19 bytes, or 0x13 in hex.</span> -<span id="L103" class="LineNr">103 </span> <span class="subxComment"># The stack pointer is no longer aligned, so dump_stack() can be misleading past this point.</span> -<span id="L104" class="LineNr">104 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x13/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L105" class="LineNr">105 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L106" class="LineNr">106 </span> <span class="subxComment"># initialize the stream</span> -<span id="L107" class="LineNr">107 </span> <span class="subxS1Comment"># . num->length = 7</span> -<span id="L108" class="LineNr">108 </span> c7 0/subop/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 7/imm32 <span class="subxComment"># copy to *(ECX+8)</span> -<span id="L109" class="LineNr">109 </span> <span class="subxS1Comment"># . clear-stream(num)</span> -<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L111" class="LineNr">111 </span> 51/push-ECX -<span id="L112" class="LineNr">112 </span> <span class="subxS2Comment"># . . call</span> -<span id="L113" class="LineNr">113 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L115" class="LineNr">115 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L116" class="LineNr">116 </span> <span class="subxComment"># read a digit from 'in' into 'num'</span> -<span id="L117" class="LineNr">117 </span> <span class="subxS1Comment"># . get-num(in, num, err, ed)</span> -<span id="L118" class="LineNr">118 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L119" class="LineNr">119 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> -<span id="L120" class="LineNr">120 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L121" class="LineNr">121 </span> 51/push-ECX/num -<span id="L122" class="LineNr">122 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L123" class="LineNr">123 </span> <span class="subxS2Comment"># . . call</span> -<span id="L124" class="LineNr">124 </span> e8/call <a href='crenshaw2-1.subx.html#L200'>get-num</a>/disp32 -<span id="L125" class="LineNr">125 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L126" class="LineNr">126 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L127" class="LineNr">127 </span> <span class="subxComment"># render 'num' into the following template on 'out':</span> -<span id="L128" class="LineNr">128 </span> <span class="subxComment"># bb/copy-to-EBX _num_</span> -<span id="L129" class="LineNr">129 </span> <span class="subxComment"># b8/copy-to-EAX 1/imm32/exit</span> -<span id="L130" class="LineNr">130 </span> <span class="subxComment"># cd/syscall 0x80/imm8</span> -<span id="L131" class="LineNr">131 </span> <span class="subxComment">#</span> -<span id="L132" class="LineNr">132 </span> <span class="subxS1Comment"># . write(out, "bb/copy-to-EBX ")</span> -<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L134" class="LineNr">134 </span> 68/push <span class="Constant">"bb/copy-to-EBX "</span>/imm32 -<span id="L135" class="LineNr">135 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . call</span> -<span id="L137" class="LineNr">137 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L139" class="LineNr">139 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L140" class="LineNr">140 </span> <span class="subxS1Comment"># . write-stream(out, num)</span> -<span id="L141" class="LineNr">141 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L142" class="LineNr">142 </span> 51/push-ECX/num -<span id="L143" class="LineNr">143 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L144" class="LineNr">144 </span> <span class="subxS2Comment"># . . call</span> -<span id="L145" class="LineNr">145 </span> e8/call <a href='../062write-stream.subx.html#L22'>write-stream</a>/disp32 -<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L147" class="LineNr">147 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L148" class="LineNr">148 </span> <span class="subxS1Comment"># . write(out, Newline)</span> -<span id="L149" class="LineNr">149 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L150" class="LineNr">150 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L151" class="LineNr">151 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L152" class="LineNr">152 </span> <span class="subxS2Comment"># . . call</span> -<span id="L153" class="LineNr">153 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L155" class="LineNr">155 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L156" class="LineNr">156 </span> <span class="subxS1Comment"># . write(out, "b8/copy-to-EAX 1/imm32/exit")</span> -<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L158" class="LineNr">158 </span> 68/push <span class="Constant">"b8/copy-to-EAX 1/imm32/exit"</span>/imm32 -<span id="L159" class="LineNr">159 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . call</span> -<span id="L161" class="LineNr">161 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L162" class="LineNr">162 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L163" class="LineNr">163 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . write(out, Newline)</span> -<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L166" class="LineNr">166 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L167" class="LineNr">167 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . call</span> -<span id="L169" class="LineNr">169 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L170" class="LineNr">170 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L171" class="LineNr">171 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L172" class="LineNr">172 </span> <span class="subxS1Comment"># . write(out, "cd/syscall 0x80/imm8")</span> -<span id="L173" class="LineNr">173 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L174" class="LineNr">174 </span> 68/push <span class="Constant">"cd/syscall 0x80/imm8"</span>/imm32 -<span id="L175" class="LineNr">175 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . call</span> -<span id="L177" class="LineNr">177 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L179" class="LineNr">179 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L180" class="LineNr">180 </span> <span class="subxS1Comment"># . write(out, Newline)</span> -<span id="L181" class="LineNr">181 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L182" class="LineNr">182 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L183" class="LineNr">183 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . call</span> -<span id="L185" class="LineNr">185 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L186" class="LineNr">186 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L187" class="LineNr">187 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L188" class="LineNr">188 </span><span class="Constant">$compile:end</span>: -<span id="L189" class="LineNr">189 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L190" class="LineNr">190 </span> 59/pop-to-ECX -<span id="L191" class="LineNr">191 </span> 58/pop-to-EAX -<span id="L192" class="LineNr">192 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L193" class="LineNr">193 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L194" class="LineNr">194 </span> 5d/pop-to-EBP -<span id="L195" class="LineNr">195 </span> c3/return -<span id="L196" class="LineNr">196 </span> -<span id="L197" class="LineNr">197 </span><span class="subxComment"># Read a single digit into 'out'. Abort if there are none, or if there is no space in 'out'.</span> -<span id="L198" class="LineNr">198 </span><span class="subxComment"># Input comes from the global variable 'Look', and we leave the next byte from</span> -<span id="L199" class="LineNr">199 </span><span class="subxComment"># 'in' into it on exit.</span> -<span id="L200" class="LineNr">200 </span><span class="subxFunction">get-num</span>: <span class="subxComment"># in : (address buffered-file), out : (address stream), err : fd or (address stream), ed : (address exit-descriptor) -> <void></span> -<span id="L201" class="LineNr">201 </span> <span class="subxComment"># pseudocode:</span> -<span id="L202" class="LineNr">202 </span> <span class="subxComment"># if (!is-digit?(Look)) expected(ed, err, "integer")</span> -<span id="L203" class="LineNr">203 </span> <span class="subxComment"># if (out->write >= out->length)</span> -<span id="L204" class="LineNr">204 </span> <span class="subxComment"># write(err, "Error: too many digits in number\n")</span> -<span id="L205" class="LineNr">205 </span> <span class="subxComment"># stop(ed, 1)</span> -<span id="L206" class="LineNr">206 </span> <span class="subxComment"># out->data[out->write] = LSB(Look)</span> -<span id="L207" class="LineNr">207 </span> <span class="subxComment"># ++out->write</span> -<span id="L208" class="LineNr">208 </span> <span class="subxComment"># Look = get-char(in)</span> -<span id="L209" class="LineNr">209 </span> <span class="subxComment">#</span> -<span id="L210" class="LineNr">210 </span> <span class="subxComment"># registers:</span> -<span id="L211" class="LineNr">211 </span> <span class="subxComment"># in: ESI</span> -<span id="L212" class="LineNr">212 </span> <span class="subxComment"># out: EDI</span> -<span id="L213" class="LineNr">213 </span> <span class="subxComment"># out->write: ECX (cached copy; need to keep in sync)</span> -<span id="L214" class="LineNr">214 </span> <span class="subxComment"># out->length: EDX</span> -<span id="L215" class="LineNr">215 </span> <span class="subxComment"># temporaries: EAX, EBX</span> -<span id="L216" class="LineNr">216 </span> <span class="subxComment"># We can't allocate Look to a register because it gets written implicitly in</span> -<span id="L217" class="LineNr">217 </span> <span class="subxComment"># get-char in each iteration of the loop. (Thereby demonstrating that it's</span> -<span id="L218" class="LineNr">218 </span> <span class="subxComment"># not the right interface for us. But we'll keep it just to follow Crenshaw.)</span> -<span id="L219" class="LineNr">219 </span> <span class="subxComment">#</span> -<span id="L220" class="LineNr">220 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L221" class="LineNr">221 </span> 55/push-EBP -<span id="L222" class="LineNr">222 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L223" class="LineNr">223 </span> <span class="subxH1Comment"># - if (is-digit?(Look)) expected(ed, err, "integer")</span> -<span id="L224" class="LineNr">224 </span> <span class="subxS1Comment"># . EAX = is-digit?(Look)</span> -<span id="L225" class="LineNr">225 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L226" class="LineNr">226 </span> ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='crenshaw2-1.subx.html#L577'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># push *Look</span> -<span id="L227" class="LineNr">227 </span> <span class="subxS2Comment"># . . call</span> -<span id="L228" class="LineNr">228 </span> e8/call <a href='crenshaw2-1.subx.html#L555'>is-digit?</a>/disp32 -<span id="L229" class="LineNr">229 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L230" class="LineNr">230 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L231" class="LineNr">231 </span> <span class="subxS1Comment"># . if (EAX == 0)</span> -<span id="L232" class="LineNr">232 </span> 3d/compare-EAX 0/imm32 -<span id="L233" class="LineNr">233 </span> 75/jump-if-not-equal $get-num:main/disp8 -<span id="L234" class="LineNr">234 </span> <span class="subxS1Comment"># . expected(ed, err, "integer")</span> -<span id="L235" class="LineNr">235 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L236" class="LineNr">236 </span> 68/push <span class="Constant">"integer"</span>/imm32 -<span id="L237" class="LineNr">237 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L238" class="LineNr">238 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> -<span id="L239" class="LineNr">239 </span> <span class="subxS2Comment"># . . call</span> -<span id="L240" class="LineNr">240 </span> e8/call <a href='crenshaw2-1.subx.html#L482'>expected</a>/disp32 <span class="subxComment"># never returns</span> -<span id="L241" class="LineNr">241 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L242" class="LineNr">242 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L243" class="LineNr">243 </span><span class="Constant">$get-num:main</span>: -<span id="L244" class="LineNr">244 </span> <span class="subxH1Comment"># - otherwise read a digit</span> -<span id="L245" class="LineNr">245 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L246" class="LineNr">246 </span> 50/push-EAX -<span id="L247" class="LineNr">247 </span> 51/push-ECX -<span id="L248" class="LineNr">248 </span> 52/push-EDX -<span id="L249" class="LineNr">249 </span> 53/push-EBX -<span id="L250" class="LineNr">250 </span> 56/push-ESI -<span id="L251" class="LineNr">251 </span> 57/push-EDI -<span id="L252" class="LineNr">252 </span> <span class="subxComment"># read necessary variables to registers</span> -<span id="L253" class="LineNr">253 </span> <span class="subxComment"># ESI = in</span> -<span id="L254" class="LineNr">254 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L255" class="LineNr">255 </span> <span class="subxComment"># EDI = out</span> -<span id="L256" class="LineNr">256 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> -<span id="L257" class="LineNr">257 </span> <span class="subxComment"># ECX = out->write</span> -<span id="L258" class="LineNr">258 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to ECX</span> -<span id="L259" class="LineNr">259 </span> <span class="subxComment"># EDX = out->length</span> -<span id="L260" class="LineNr">260 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+8) to EDX</span> -<span id="L261" class="LineNr">261 </span> <span class="subxComment"># if (out->write >= out->length) error</span> -<span id="L262" class="LineNr">262 </span> 39/compare 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDX with ECX</span> -<span id="L263" class="LineNr">263 </span> 7d/jump-if-lesser $get-num:stage2/disp8 -<span id="L264" class="LineNr">264 </span> <span class="subxS1Comment"># . error(ed, err, msg) # TODO: show full number</span> -<span id="L265" class="LineNr">265 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L266" class="LineNr">266 </span> 68/push <span class="Constant">"get-num: too many digits in number"</span>/imm32 -<span id="L267" class="LineNr">267 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L268" class="LineNr">268 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> -<span id="L269" class="LineNr">269 </span> <span class="subxS2Comment"># . . call</span> -<span id="L270" class="LineNr">270 </span> e8/call <a href='../063error.subx.html#L16'>error</a>/disp32 <span class="subxComment"># never returns</span> -<span id="L271" class="LineNr">271 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L272" class="LineNr">272 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L273" class="LineNr">273 </span><span class="Constant">$get-num:stage2</span>: -<span id="L274" class="LineNr">274 </span> <span class="subxComment"># out->data[out->write] = LSB(Look)</span> -<span id="L275" class="LineNr">275 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 1/index/ECX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+ECX+12 to EBX</span> -<span id="L276" class="LineNr">276 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="SpecialChar"><a href='crenshaw2-1.subx.html#L577'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy *Look to EAX</span> -<span id="L277" class="LineNr">277 </span> 88/copy-byte 0/mod/indirect 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at AL to *EBX</span> -<span id="L278" class="LineNr">278 </span> <span class="subxComment"># ++out->write</span> -<span id="L279" class="LineNr">279 </span> 41/increment-ECX -<span id="L280" class="LineNr">280 </span> <span class="subxComment"># Look = get-char(in)</span> -<span id="L281" class="LineNr">281 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L282" class="LineNr">282 </span> 56/push-ESI -<span id="L283" class="LineNr">283 </span> <span class="subxS2Comment"># . . call</span> -<span id="L284" class="LineNr">284 </span> e8/call <a href='crenshaw2-1.subx.html#L532'>get-char</a>/disp32 -<span id="L285" class="LineNr">285 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L286" class="LineNr">286 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L287" class="LineNr">287 </span><span class="Constant">$get-num:loop-end</span>: -<span id="L288" class="LineNr">288 </span> <span class="subxComment"># persist necessary variables from registers</span> -<span id="L289" class="LineNr">289 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *EDI</span> -<span id="L290" class="LineNr">290 </span><span class="Constant">$get-num:end</span>: -<span id="L291" class="LineNr">291 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L292" class="LineNr">292 </span> 5f/pop-to-EDI -<span id="L293" class="LineNr">293 </span> 5e/pop-to-ESI -<span id="L294" class="LineNr">294 </span> 5b/pop-to-EBX -<span id="L295" class="LineNr">295 </span> 5a/pop-to-EDX -<span id="L296" class="LineNr">296 </span> 59/pop-to-ECX -<span id="L297" class="LineNr">297 </span> 58/pop-to-EAX -<span id="L298" class="LineNr">298 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L299" class="LineNr">299 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L300" class="LineNr">300 </span> 5d/pop-to-EBP -<span id="L301" class="LineNr">301 </span> c3/return -<span id="L302" class="LineNr">302 </span> -<span id="L303" class="LineNr">303 </span><span class="subxTest">test-get-num-reads-single-digit</span>: -<span id="L304" class="LineNr">304 </span> <span class="subxH1Comment"># - check that get-num returns first character if it's a digit</span> -<span id="L305" class="LineNr">305 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L306" class="LineNr">306 </span> 55/push-EBP -<span id="L307" class="LineNr">307 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L308" class="LineNr">308 </span> <span class="subxComment"># clear all streams</span> -<span id="L309" class="LineNr">309 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L310" class="LineNr">310 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L311" class="LineNr">311 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L312" class="LineNr">312 </span> <span class="subxS2Comment"># . . call</span> -<span id="L313" class="LineNr">313 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L314" class="LineNr">314 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L315" class="LineNr">315 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L316" class="LineNr">316 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L317" class="LineNr">317 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L318" class="LineNr">318 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L319" class="LineNr">319 </span> 05/add-to-EAX 4/imm32 -<span id="L320" class="LineNr">320 </span> 50/push-EAX -<span id="L321" class="LineNr">321 </span> <span class="subxS2Comment"># . . call</span> -<span id="L322" class="LineNr">322 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L323" class="LineNr">323 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L324" class="LineNr">324 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L325" class="LineNr">325 </span> <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span> -<span id="L326" class="LineNr">326 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L327" class="LineNr">327 </span> 68/push <a href='crenshaw2-1.subx.html#L580'>_test-output-stream</a>/imm32 -<span id="L328" class="LineNr">328 </span> <span class="subxS2Comment"># . . call</span> -<span id="L329" class="LineNr">329 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L330" class="LineNr">330 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L331" class="LineNr">331 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L332" class="LineNr">332 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L333" class="LineNr">333 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L334" class="LineNr">334 </span> 68/push <a href='crenshaw2-1.subx.html#L590'>_test-error-stream</a>/imm32 -<span id="L335" class="LineNr">335 </span> <span class="subxS2Comment"># . . call</span> -<span id="L336" class="LineNr">336 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L337" class="LineNr">337 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L338" class="LineNr">338 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L339" class="LineNr">339 </span> <span class="subxComment"># initialize 'in'</span> -<span id="L340" class="LineNr">340 </span> <span class="subxS1Comment"># . write(_test-stream, "3")</span> -<span id="L341" class="LineNr">341 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L342" class="LineNr">342 </span> 68/push <span class="Constant">"3"</span>/imm32 -<span id="L343" class="LineNr">343 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L344" class="LineNr">344 </span> <span class="subxS2Comment"># . . call</span> -<span id="L345" class="LineNr">345 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L346" class="LineNr">346 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L347" class="LineNr">347 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L348" class="LineNr">348 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span> -<span id="L349" class="LineNr">349 </span> <span class="subxS1Comment"># . var ed/EAX : exit-descriptor</span> -<span id="L350" class="LineNr">350 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L351" class="LineNr">351 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> -<span id="L352" class="LineNr">352 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span> -<span id="L353" class="LineNr">353 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L354" class="LineNr">354 </span> 68/push 0x10/imm32/nbytes-of-args-for-get-num -<span id="L355" class="LineNr">355 </span> 50/push-EAX/ed -<span id="L356" class="LineNr">356 </span> <span class="subxS2Comment"># . . call</span> -<span id="L357" class="LineNr">357 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L358" class="LineNr">358 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L359" class="LineNr">359 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L360" class="LineNr">360 </span> <span class="subxComment"># prime the pump</span> -<span id="L361" class="LineNr">361 </span> <span class="subxS1Comment"># . get-char(_test-buffered-file)</span> -<span id="L362" class="LineNr">362 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L363" class="LineNr">363 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L364" class="LineNr">364 </span> <span class="subxS2Comment"># . . call</span> -<span id="L365" class="LineNr">365 </span> e8/call <a href='crenshaw2-1.subx.html#L532'>get-char</a>/disp32 -<span id="L366" class="LineNr">366 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L367" class="LineNr">367 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L368" class="LineNr">368 </span> <span class="subxComment"># get-num(in, out, err, ed)</span> -<span id="L369" class="LineNr">369 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L370" class="LineNr">370 </span> 50/push-EAX/ed -<span id="L371" class="LineNr">371 </span> 68/push <a href='crenshaw2-1.subx.html#L590'>_test-error-stream</a>/imm32 -<span id="L372" class="LineNr">372 </span> 68/push <a href='crenshaw2-1.subx.html#L580'>_test-output-stream</a>/imm32 -<span id="L373" class="LineNr">373 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L374" class="LineNr">374 </span> <span class="subxS2Comment"># . . call</span> -<span id="L375" class="LineNr">375 </span> e8/call <a href='crenshaw2-1.subx.html#L200'>get-num</a>/disp32 -<span id="L376" class="LineNr">376 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L377" class="LineNr">377 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L378" class="LineNr">378 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L379" class="LineNr">379 </span> <span class="subxComment"># check-ints-equal(*_test-output-stream->data, '3', msg)</span> -<span id="L380" class="LineNr">380 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L381" class="LineNr">381 </span> 68/push <span class="Constant">"F - test-get-num-reads-single-digit"</span>/imm32 -<span id="L382" class="LineNr">382 </span> 68/push 0x33/imm32 -<span id="L383" class="LineNr">383 </span> b8/copy-to-EAX <a href='crenshaw2-1.subx.html#L580'>_test-output-stream</a>/imm32 -<span id="L384" class="LineNr">384 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L385" class="LineNr">385 </span> <span class="subxS2Comment"># . . call</span> -<span id="L386" class="LineNr">386 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L387" class="LineNr">387 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L388" class="LineNr">388 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L389" class="LineNr">389 </span> <span class="subxS1Comment"># . reclaim locals</span> -<span id="L390" class="LineNr">390 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L391" class="LineNr">391 </span> 5d/pop-to-EBP -<span id="L392" class="LineNr">392 </span> c3/return -<span id="L393" class="LineNr">393 </span> -<span id="L394" class="LineNr">394 </span><span class="subxTest">test-get-num-aborts-on-non-digit-in-Look</span>: -<span id="L395" class="LineNr">395 </span> <span class="subxH1Comment"># - check that get-num returns first character if it's a digit</span> -<span id="L396" class="LineNr">396 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L397" class="LineNr">397 </span> 55/push-EBP -<span id="L398" class="LineNr">398 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L399" class="LineNr">399 </span> <span class="subxComment"># clear all streams</span> -<span id="L400" class="LineNr">400 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L401" class="LineNr">401 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L402" class="LineNr">402 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L403" class="LineNr">403 </span> <span class="subxS2Comment"># . . call</span> -<span id="L404" class="LineNr">404 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L405" class="LineNr">405 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L406" class="LineNr">406 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L407" class="LineNr">407 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L408" class="LineNr">408 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L409" class="LineNr">409 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L410" class="LineNr">410 </span> 05/add-to-EAX 4/imm32 -<span id="L411" class="LineNr">411 </span> 50/push-EAX -<span id="L412" class="LineNr">412 </span> <span class="subxS2Comment"># . . call</span> -<span id="L413" class="LineNr">413 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L414" class="LineNr">414 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L415" class="LineNr">415 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L416" class="LineNr">416 </span> <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span> -<span id="L417" class="LineNr">417 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L418" class="LineNr">418 </span> 68/push <a href='crenshaw2-1.subx.html#L580'>_test-output-stream</a>/imm32 -<span id="L419" class="LineNr">419 </span> <span class="subxS2Comment"># . . call</span> -<span id="L420" class="LineNr">420 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L421" class="LineNr">421 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L422" class="LineNr">422 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L423" class="LineNr">423 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L424" class="LineNr">424 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L425" class="LineNr">425 </span> 68/push <a href='crenshaw2-1.subx.html#L590'>_test-error-stream</a>/imm32 -<span id="L426" class="LineNr">426 </span> <span class="subxS2Comment"># . . call</span> -<span id="L427" class="LineNr">427 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L428" class="LineNr">428 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L429" class="LineNr">429 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L430" class="LineNr">430 </span> <span class="subxComment"># initialize 'in'</span> -<span id="L431" class="LineNr">431 </span> <span class="subxS1Comment"># . write(_test-stream, "3")</span> -<span id="L432" class="LineNr">432 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L433" class="LineNr">433 </span> 68/push <span class="Constant">"3"</span>/imm32 -<span id="L434" class="LineNr">434 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L435" class="LineNr">435 </span> <span class="subxS2Comment"># . . call</span> -<span id="L436" class="LineNr">436 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L437" class="LineNr">437 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L438" class="LineNr">438 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L439" class="LineNr">439 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span> -<span id="L440" class="LineNr">440 </span> <span class="subxS1Comment"># . var ed/EAX : (address exit-descriptor)</span> -<span id="L441" class="LineNr">441 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L442" class="LineNr">442 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> -<span id="L443" class="LineNr">443 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span> -<span id="L444" class="LineNr">444 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L445" class="LineNr">445 </span> 68/push 0x10/imm32/nbytes-of-args-for-get-num -<span id="L446" class="LineNr">446 </span> 50/push-EAX/ed -<span id="L447" class="LineNr">447 </span> <span class="subxS2Comment"># . . call</span> -<span id="L448" class="LineNr">448 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L449" class="LineNr">449 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L450" class="LineNr">450 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L451" class="LineNr">451 </span> <span class="subxComment"># *don't* prime the pump</span> -<span id="L452" class="LineNr">452 </span> <span class="subxComment"># get-num(in, out, err, ed)</span> -<span id="L453" class="LineNr">453 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L454" class="LineNr">454 </span> 50/push-EAX/ed -<span id="L455" class="LineNr">455 </span> 68/push <a href='crenshaw2-1.subx.html#L590'>_test-error-stream</a>/imm32 -<span id="L456" class="LineNr">456 </span> 68/push <a href='crenshaw2-1.subx.html#L580'>_test-output-stream</a>/imm32 -<span id="L457" class="LineNr">457 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L458" class="LineNr">458 </span> <span class="subxS2Comment"># . . call</span> -<span id="L459" class="LineNr">459 </span> e8/call <a href='crenshaw2-1.subx.html#L200'>get-num</a>/disp32 -<span id="L460" class="LineNr">460 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L461" class="LineNr">461 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L462" class="LineNr">462 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L463" class="LineNr">463 </span> <span class="subxComment"># check that get-num tried to call exit(1)</span> -<span id="L464" class="LineNr">464 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 2, msg) # i.e. stop was called with value 1</span> -<span id="L465" class="LineNr">465 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L466" class="LineNr">466 </span> 68/push <span class="Constant">"F - test-get-num-aborts-on-non-digit-in-Look"</span>/imm32 -<span id="L467" class="LineNr">467 </span> 68/push 2/imm32 -<span id="L468" class="LineNr">468 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L469" class="LineNr">469 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L470" class="LineNr">470 </span> <span class="subxS2Comment"># . . call</span> -<span id="L471" class="LineNr">471 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L472" class="LineNr">472 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L473" class="LineNr">473 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L474" class="LineNr">474 </span> <span class="subxS1Comment"># . reclaim locals</span> -<span id="L475" class="LineNr">475 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L476" class="LineNr">476 </span> 5d/pop-to-EBP -<span id="L477" class="LineNr">477 </span> c3/return -<span id="L478" class="LineNr">478 </span> -<span id="L479" class="LineNr">479 </span><span class="subxComment">## helpers</span> -<span id="L480" class="LineNr">480 </span> -<span id="L481" class="LineNr">481 </span><span class="subxComment"># write(f, "Error: "+s+" expected\n") then stop(ed, 1)</span> -<span id="L482" class="LineNr">482 </span><span class="subxFunction">expected</span>: <span class="subxComment"># ed : (address exit-descriptor), f : fd or (address stream), s : (address array byte) -> <void></span> -<span id="L483" class="LineNr">483 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L484" class="LineNr">484 </span> 55/push-EBP -<span id="L485" class="LineNr">485 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L486" class="LineNr">486 </span> <span class="subxComment"># write(f, "Error: ")</span> -<span id="L487" class="LineNr">487 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L488" class="LineNr">488 </span> 68/push <span class="Constant">"Error: "</span>/imm32 -<span id="L489" class="LineNr">489 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L490" class="LineNr">490 </span> <span class="subxS2Comment"># . . call</span> -<span id="L491" class="LineNr">491 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L492" class="LineNr">492 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L493" class="LineNr">493 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L494" class="LineNr">494 </span> <span class="subxComment"># write(f, s)</span> -<span id="L495" class="LineNr">495 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L496" class="LineNr">496 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L497" class="LineNr">497 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L498" class="LineNr">498 </span> <span class="subxS2Comment"># . . call</span> -<span id="L499" class="LineNr">499 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L500" class="LineNr">500 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L501" class="LineNr">501 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L502" class="LineNr">502 </span> <span class="subxComment"># write(f, " expected")</span> -<span id="L503" class="LineNr">503 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L504" class="LineNr">504 </span> 68/push <span class="Constant">" expected"</span>/imm32 -<span id="L505" class="LineNr">505 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L506" class="LineNr">506 </span> <span class="subxS2Comment"># . . call</span> -<span id="L507" class="LineNr">507 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L508" class="LineNr">508 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L509" class="LineNr">509 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L510" class="LineNr">510 </span> <span class="subxComment"># write(f, Newline)</span> -<span id="L511" class="LineNr">511 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L512" class="LineNr">512 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L513" class="LineNr">513 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L514" class="LineNr">514 </span> <span class="subxS2Comment"># . . call</span> -<span id="L515" class="LineNr">515 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L516" class="LineNr">516 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L517" class="LineNr">517 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L518" class="LineNr">518 </span> <span class="subxComment"># stop(ed, 1)</span> -<span id="L519" class="LineNr">519 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L520" class="LineNr">520 </span> 68/push 1/imm32 -<span id="L521" class="LineNr">521 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L522" class="LineNr">522 </span> <span class="subxS2Comment"># . . call</span> -<span id="L523" class="LineNr">523 </span> e8/call <a href='../059stop.subx.html#L99'>stop</a>/disp32 -<span id="L524" class="LineNr">524 </span> <span class="subxComment"># should never get past this point</span> -<span id="L525" class="LineNr">525 </span><span class="Constant">$expected:dead-end</span>: -<span id="L526" class="LineNr">526 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L527" class="LineNr">527 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L528" class="LineNr">528 </span> 5d/pop-to-EBP -<span id="L529" class="LineNr">529 </span> c3/return -<span id="L530" class="LineNr">530 </span> -<span id="L531" class="LineNr">531 </span><span class="subxComment"># read a byte from 'f', and save it in 'Look'</span> -<span id="L532" class="LineNr">532 </span><span class="subxFunction">get-char</span>: <span class="subxComment"># f : (address buffered-file) -> <void></span> -<span id="L533" class="LineNr">533 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L534" class="LineNr">534 </span> 55/push-EBP -<span id="L535" class="LineNr">535 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L536" class="LineNr">536 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L537" class="LineNr">537 </span> 50/push-EAX -<span id="L538" class="LineNr">538 </span> <span class="subxComment"># read-byte(f)</span> -<span id="L539" class="LineNr">539 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L540" class="LineNr">540 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L541" class="LineNr">541 </span> <span class="subxS2Comment"># . . call</span> -<span id="L542" class="LineNr">542 </span> e8/call <a href='../061read-byte.subx.html#L45'>read-byte</a>/disp32 -<span id="L543" class="LineNr">543 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L544" class="LineNr">544 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L545" class="LineNr">545 </span> <span class="subxComment"># save EAX to Look</span> -<span id="L546" class="LineNr">546 </span> 89/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="SpecialChar"><a href='crenshaw2-1.subx.html#L577'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *Look</span> -<span id="L547" class="LineNr">547 </span><span class="Constant">$get-char:end</span>: -<span id="L548" class="LineNr">548 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L549" class="LineNr">549 </span> 58/pop-to-EAX -<span id="L550" class="LineNr">550 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L551" class="LineNr">551 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L552" class="LineNr">552 </span> 5d/pop-to-EBP -<span id="L553" class="LineNr">553 </span> c3/return -<span id="L554" class="LineNr">554 </span> -<span id="L555" class="LineNr">555 </span><span class="subxFunction">is-digit?</span>: <span class="subxComment"># c : int -> EAX : boolean</span> -<span id="L556" class="LineNr">556 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L557" class="LineNr">557 </span> 55/push-EBP -<span id="L558" class="LineNr">558 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L559" class="LineNr">559 </span> <span class="subxComment"># EAX = false</span> -<span id="L560" class="LineNr">560 </span> b8/copy-to-EAX 0/imm32 -<span id="L561" class="LineNr">561 </span> <span class="subxComment"># if (c < '0') return false</span> -<span id="L562" class="LineNr">562 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x30/imm32 <span class="subxComment"># compare *(EBP+8)</span> -<span id="L563" class="LineNr">563 </span> 7c/jump-if-lesser $is-digit?:end/disp8 -<span id="L564" class="LineNr">564 </span> <span class="subxComment"># if (c > '9') return false</span> -<span id="L565" class="LineNr">565 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x39/imm32 <span class="subxComment"># compare *(EBP+8)</span> -<span id="L566" class="LineNr">566 </span> 7f/jump-if-greater $is-digit?:end/disp8 -<span id="L567" class="LineNr">567 </span> <span class="subxComment"># otherwise return true</span> -<span id="L568" class="LineNr">568 </span> b8/copy-to-EAX 1/imm32 -<span id="L569" class="LineNr">569 </span><span class="Constant">$is-digit?:end</span>: -<span id="L570" class="LineNr">570 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L571" class="LineNr">571 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L572" class="LineNr">572 </span> 5d/pop-to-EBP -<span id="L573" class="LineNr">573 </span> c3/return -<span id="L574" class="LineNr">574 </span> -<span id="L575" class="LineNr">575 </span>== data -<span id="L576" class="LineNr">576 </span> -<span id="L577" class="LineNr">577 </span><span class="SpecialChar">Look</span>: <span class="subxComment"># (char)</span> -<span id="L578" class="LineNr">578 </span> 00 00 00 00 <span class="subxComment"># = 0</span> -<span id="L579" class="LineNr">579 </span> -<span id="L580" class="LineNr">580 </span><span class="subxMinorFunction">_test-output-stream</span>: -<span id="L581" class="LineNr">581 </span> <span class="subxComment"># current write index</span> -<span id="L582" class="LineNr">582 </span> 00 00 00 00 -<span id="L583" class="LineNr">583 </span> <span class="subxComment"># current read index</span> -<span id="L584" class="LineNr">584 </span> 00 00 00 00 -<span id="L585" class="LineNr">585 </span> <span class="subxComment"># length (= 8)</span> -<span id="L586" class="LineNr">586 </span> 08 00 00 00 -<span id="L587" class="LineNr">587 </span> <span class="subxComment"># data</span> -<span id="L588" class="LineNr">588 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> -<span id="L589" class="LineNr">589 </span> -<span id="L590" class="LineNr">590 </span><span class="subxMinorFunction">_test-error-stream</span>: -<span id="L591" class="LineNr">591 </span> <span class="subxComment"># current write index</span> -<span id="L592" class="LineNr">592 </span> 00 00 00 00 -<span id="L593" class="LineNr">593 </span> <span class="subxComment"># current read index</span> -<span id="L594" class="LineNr">594 </span> 00 00 00 00 -<span id="L595" class="LineNr">595 </span> <span class="subxComment"># length (= 8)</span> -<span id="L596" class="LineNr">596 </span> 08 00 00 00 -<span id="L597" class="LineNr">597 </span> <span class="subxComment"># data</span> -<span id="L598" class="LineNr">598 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> -<span id="L599" class="LineNr">599 </span> -<span id="L600" class="LineNr">600 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L33" class="LineNr"> 33 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># run tests if necessary, call 'compile' if not</span> +<span id="L34" class="LineNr"> 34 </span> +<span id="L35" class="LineNr"> 35 </span><span class="CommentedCode">#? # for debugging: run a single test; don't bother setting status code</span> +<span id="L36" class="LineNr"> 36 </span><span class="CommentedCode">#? e8/call test-get-num-reads-single-digit/disp32</span> +<span id="L37" class="LineNr"> 37 </span><span class="CommentedCode">#? eb/jump $main:end/disp8</span> +<span id="L38" class="LineNr"> 38 </span> +<span id="L39" class="LineNr"> 39 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L40" class="LineNr"> 40 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxH1Comment"># - if argc > 1 and argv[1] == "test", then return run_tests()</span> +<span id="L42" class="LineNr"> 42 </span> <span class="subxS1Comment"># . argc > 1</span> +<span id="L43" class="LineNr"> 43 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/disp8 1/imm32 <span class="subxComment"># compare *EBP</span> +<span id="L44" class="LineNr"> 44 </span> 7e/jump-if-lesser-or-equal $run-main/disp8 +<span id="L45" class="LineNr"> 45 </span> <span class="subxS1Comment"># . argv[1] == "test"</span> +<span id="L46" class="LineNr"> 46 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L47" class="LineNr"> 47 </span> 68/push <span class="Constant">"test"</span>/imm32 +<span id="L48" class="LineNr"> 48 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L49" class="LineNr"> 49 </span> <span class="subxS2Comment"># . . call</span> +<span id="L50" class="LineNr"> 50 </span> e8/call <a href='../052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 +<span id="L51" class="LineNr"> 51 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L52" class="LineNr"> 52 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L53" class="LineNr"> 53 </span> <span class="subxS1Comment"># . check result</span> +<span id="L54" class="LineNr"> 54 </span> 3d/compare-EAX 1/imm32 +<span id="L55" class="LineNr"> 55 </span> 75/jump-if-not-equal $run-main/disp8 +<span id="L56" class="LineNr"> 56 </span> <span class="subxS1Comment"># . run-tests()</span> +<span id="L57" class="LineNr"> 57 </span> e8/call run-tests/disp32 +<span id="L58" class="LineNr"> 58 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='../051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> +<span id="L59" class="LineNr"> 59 </span> eb/jump $main:end/disp8 +<span id="L60" class="LineNr"> 60 </span><span class="Constant">$run-main</span>: +<span id="L61" class="LineNr"> 61 </span> <span class="subxH1Comment"># - otherwise read a program from stdin and emit its translation to stdout</span> +<span id="L62" class="LineNr"> 62 </span> <span class="subxComment"># var ed/EAX : exit-descriptor</span> +<span id="L63" class="LineNr"> 63 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L64" class="LineNr"> 64 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> +<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># configure ed to really exit()</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxS1Comment"># . ed->target = 0</span> +<span id="L67" class="LineNr"> 67 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> +<span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># return compile(Stdin, 1/stdout, 2/stderr, ed)</span> +<span id="L69" class="LineNr"> 69 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L70" class="LineNr"> 70 </span> 50/push-EAX/ed +<span id="L71" class="LineNr"> 71 </span> 68/push 2/imm32/stderr +<span id="L72" class="LineNr"> 72 </span> 68/push 1/imm32/stdout +<span id="L73" class="LineNr"> 73 </span> 68/push <span class="SpecialChar"><a href='../061read-byte.subx.html#L14'>Stdin</a></span>/imm32 +<span id="L74" class="LineNr"> 74 </span> <span class="subxS2Comment"># . . call</span> +<span id="L75" class="LineNr"> 75 </span> e8/call <a href='crenshaw2-1.subx.html#L85'>compile</a>/disp32 +<span id="L76" class="LineNr"> 76 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L77" class="LineNr"> 77 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L78" class="LineNr"> 78 </span> <span class="subxS1Comment"># . syscall(exit, 0)</span> +<span id="L79" class="LineNr"> 79 </span> bb/copy-to-EBX 0/imm32 +<span id="L80" class="LineNr"> 80 </span><span class="Constant">$main:end</span>: +<span id="L81" class="LineNr"> 81 </span> b8/copy-to-EAX 1/imm32/exit +<span id="L82" class="LineNr"> 82 </span> cd/syscall 0x80/imm8 +<span id="L83" class="LineNr"> 83 </span> +<span id="L84" class="LineNr"> 84 </span><span class="subxComment"># the main entry point</span> +<span id="L85" class="LineNr"> 85 </span><span class="subxFunction">compile</span>: <span class="subxComment"># in : (address buffered-file), out : fd or (address stream), err : fd or (address stream), ed : (address exit-descriptor) -> <void></span> +<span id="L86" class="LineNr"> 86 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L87" class="LineNr"> 87 </span> 55/push-EBP +<span id="L88" class="LineNr"> 88 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L89" class="LineNr"> 89 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L90" class="LineNr"> 90 </span> 50/push-EAX +<span id="L91" class="LineNr"> 91 </span> 51/push-ECX +<span id="L92" class="LineNr"> 92 </span> <span class="subxComment"># prime the pump</span> +<span id="L93" class="LineNr"> 93 </span> <span class="subxS1Comment"># . Look = get-char(in)</span> +<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L95" class="LineNr"> 95 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L96" class="LineNr"> 96 </span> <span class="subxS2Comment"># . . call</span> +<span id="L97" class="LineNr"> 97 </span> e8/call <a href='crenshaw2-1.subx.html#L533'>get-char</a>/disp32 +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L99" class="LineNr"> 99 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L100" class="LineNr">100 </span> <span class="subxComment"># var num/ECX : (address stream) on the stack</span> +<span id="L101" class="LineNr">101 </span> <span class="subxComment"># Numbers can be 32 bits or 8 hex bytes long. One of them will be in 'Look', so we need space for 7 bytes.</span> +<span id="L102" class="LineNr">102 </span> <span class="subxComment"># Sizing the stream just right buys us overflow-handling for free inside 'get-num'.</span> +<span id="L103" class="LineNr">103 </span> <span class="subxComment"># Add 12 bytes for 'read', 'write' and 'length' fields, for a total of 19 bytes, or 0x13 in hex.</span> +<span id="L104" class="LineNr">104 </span> <span class="subxComment"># The stack pointer is no longer aligned, so dump_stack() can be misleading past this point.</span> +<span id="L105" class="LineNr">105 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x13/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L106" class="LineNr">106 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L107" class="LineNr">107 </span> <span class="subxComment"># initialize the stream</span> +<span id="L108" class="LineNr">108 </span> <span class="subxS1Comment"># . num->length = 7</span> +<span id="L109" class="LineNr">109 </span> c7 0/subop/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 7/imm32 <span class="subxComment"># copy to *(ECX+8)</span> +<span id="L110" class="LineNr">110 </span> <span class="subxS1Comment"># . clear-stream(num)</span> +<span id="L111" class="LineNr">111 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L112" class="LineNr">112 </span> 51/push-ECX +<span id="L113" class="LineNr">113 </span> <span class="subxS2Comment"># . . call</span> +<span id="L114" class="LineNr">114 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L115" class="LineNr">115 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L116" class="LineNr">116 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L117" class="LineNr">117 </span> <span class="subxComment"># read a digit from 'in' into 'num'</span> +<span id="L118" class="LineNr">118 </span> <span class="subxS1Comment"># . get-num(in, num, err, ed)</span> +<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L120" class="LineNr">120 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> +<span id="L121" class="LineNr">121 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L122" class="LineNr">122 </span> 51/push-ECX/num +<span id="L123" class="LineNr">123 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . call</span> +<span id="L125" class="LineNr">125 </span> e8/call <a href='crenshaw2-1.subx.html#L201'>get-num</a>/disp32 +<span id="L126" class="LineNr">126 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L127" class="LineNr">127 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L128" class="LineNr">128 </span> <span class="subxComment"># render 'num' into the following template on 'out':</span> +<span id="L129" class="LineNr">129 </span> <span class="subxComment"># bb/copy-to-EBX _num_</span> +<span id="L130" class="LineNr">130 </span> <span class="subxComment"># b8/copy-to-EAX 1/imm32/exit</span> +<span id="L131" class="LineNr">131 </span> <span class="subxComment"># cd/syscall 0x80/imm8</span> +<span id="L132" class="LineNr">132 </span> <span class="subxComment">#</span> +<span id="L133" class="LineNr">133 </span> <span class="subxS1Comment"># . write(out, "bb/copy-to-EBX ")</span> +<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L135" class="LineNr">135 </span> 68/push <span class="Constant">"bb/copy-to-EBX "</span>/imm32 +<span id="L136" class="LineNr">136 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . call</span> +<span id="L138" class="LineNr">138 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L140" class="LineNr">140 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L141" class="LineNr">141 </span> <span class="subxS1Comment"># . write-stream(out, num)</span> +<span id="L142" class="LineNr">142 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L143" class="LineNr">143 </span> 51/push-ECX/num +<span id="L144" class="LineNr">144 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L145" class="LineNr">145 </span> <span class="subxS2Comment"># . . call</span> +<span id="L146" class="LineNr">146 </span> e8/call <a href='../062write-stream.subx.html#L18'>write-stream</a>/disp32 +<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L148" class="LineNr">148 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L149" class="LineNr">149 </span> <span class="subxS1Comment"># . write(out, Newline)</span> +<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L151" class="LineNr">151 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L152" class="LineNr">152 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L153" class="LineNr">153 </span> <span class="subxS2Comment"># . . call</span> +<span id="L154" class="LineNr">154 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L155" class="LineNr">155 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L156" class="LineNr">156 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L157" class="LineNr">157 </span> <span class="subxS1Comment"># . write(out, "b8/copy-to-EAX 1/imm32/exit")</span> +<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L159" class="LineNr">159 </span> 68/push <span class="Constant">"b8/copy-to-EAX 1/imm32/exit"</span>/imm32 +<span id="L160" class="LineNr">160 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L161" class="LineNr">161 </span> <span class="subxS2Comment"># . . call</span> +<span id="L162" class="LineNr">162 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L163" class="LineNr">163 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L164" class="LineNr">164 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L165" class="LineNr">165 </span> <span class="subxS1Comment"># . write(out, Newline)</span> +<span id="L166" class="LineNr">166 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L167" class="LineNr">167 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L168" class="LineNr">168 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L169" class="LineNr">169 </span> <span class="subxS2Comment"># . . call</span> +<span id="L170" class="LineNr">170 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L171" class="LineNr">171 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L172" class="LineNr">172 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L173" class="LineNr">173 </span> <span class="subxS1Comment"># . write(out, "cd/syscall 0x80/imm8")</span> +<span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L175" class="LineNr">175 </span> 68/push <span class="Constant">"cd/syscall 0x80/imm8"</span>/imm32 +<span id="L176" class="LineNr">176 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . call</span> +<span id="L178" class="LineNr">178 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L179" class="LineNr">179 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L180" class="LineNr">180 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L181" class="LineNr">181 </span> <span class="subxS1Comment"># . write(out, Newline)</span> +<span id="L182" class="LineNr">182 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L183" class="LineNr">183 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L184" class="LineNr">184 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . call</span> +<span id="L186" class="LineNr">186 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L188" class="LineNr">188 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L189" class="LineNr">189 </span><span class="Constant">$compile:end</span>: +<span id="L190" class="LineNr">190 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L191" class="LineNr">191 </span> 59/pop-to-ECX +<span id="L192" class="LineNr">192 </span> 58/pop-to-EAX +<span id="L193" class="LineNr">193 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L194" class="LineNr">194 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L195" class="LineNr">195 </span> 5d/pop-to-EBP +<span id="L196" class="LineNr">196 </span> c3/return +<span id="L197" class="LineNr">197 </span> +<span id="L198" class="LineNr">198 </span><span class="subxComment"># Read a single digit into 'out'. Abort if there are none, or if there is no space in 'out'.</span> +<span id="L199" class="LineNr">199 </span><span class="subxComment"># Input comes from the global variable 'Look', and we leave the next byte from</span> +<span id="L200" class="LineNr">200 </span><span class="subxComment"># 'in' into it on exit.</span> +<span id="L201" class="LineNr">201 </span><span class="subxFunction">get-num</span>: <span class="subxComment"># in : (address buffered-file), out : (address stream), err : fd or (address stream), ed : (address exit-descriptor) -> <void></span> +<span id="L202" class="LineNr">202 </span> <span class="subxComment"># pseudocode:</span> +<span id="L203" class="LineNr">203 </span> <span class="subxComment"># if (!is-digit?(Look)) expected(ed, err, "integer")</span> +<span id="L204" class="LineNr">204 </span> <span class="subxComment"># if (out->write >= out->length)</span> +<span id="L205" class="LineNr">205 </span> <span class="subxComment"># write(err, "Error: too many digits in number\n")</span> +<span id="L206" class="LineNr">206 </span> <span class="subxComment"># stop(ed, 1)</span> +<span id="L207" class="LineNr">207 </span> <span class="subxComment"># out->data[out->write] = LSB(Look)</span> +<span id="L208" class="LineNr">208 </span> <span class="subxComment"># ++out->write</span> +<span id="L209" class="LineNr">209 </span> <span class="subxComment"># Look = get-char(in)</span> +<span id="L210" class="LineNr">210 </span> <span class="subxComment">#</span> +<span id="L211" class="LineNr">211 </span> <span class="subxComment"># registers:</span> +<span id="L212" class="LineNr">212 </span> <span class="subxComment"># in: ESI</span> +<span id="L213" class="LineNr">213 </span> <span class="subxComment"># out: EDI</span> +<span id="L214" class="LineNr">214 </span> <span class="subxComment"># out->write: ECX (cached copy; need to keep in sync)</span> +<span id="L215" class="LineNr">215 </span> <span class="subxComment"># out->length: EDX</span> +<span id="L216" class="LineNr">216 </span> <span class="subxComment"># temporaries: EAX, EBX</span> +<span id="L217" class="LineNr">217 </span> <span class="subxComment"># We can't allocate Look to a register because it gets written implicitly in</span> +<span id="L218" class="LineNr">218 </span> <span class="subxComment"># get-char in each iteration of the loop. (Thereby demonstrating that it's</span> +<span id="L219" class="LineNr">219 </span> <span class="subxComment"># not the right interface for us. But we'll keep it just to follow Crenshaw.)</span> +<span id="L220" class="LineNr">220 </span> <span class="subxComment">#</span> +<span id="L221" class="LineNr">221 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L222" class="LineNr">222 </span> 55/push-EBP +<span id="L223" class="LineNr">223 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L224" class="LineNr">224 </span> <span class="subxH1Comment"># - if (is-digit?(Look)) expected(ed, err, "integer")</span> +<span id="L225" class="LineNr">225 </span> <span class="subxS1Comment"># . EAX = is-digit?(Look)</span> +<span id="L226" class="LineNr">226 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L227" class="LineNr">227 </span> ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='crenshaw2-1.subx.html#L578'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># push *Look</span> +<span id="L228" class="LineNr">228 </span> <span class="subxS2Comment"># . . call</span> +<span id="L229" class="LineNr">229 </span> e8/call <a href='crenshaw2-1.subx.html#L556'>is-digit?</a>/disp32 +<span id="L230" class="LineNr">230 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L231" class="LineNr">231 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L232" class="LineNr">232 </span> <span class="subxS1Comment"># . if (EAX == 0)</span> +<span id="L233" class="LineNr">233 </span> 3d/compare-EAX 0/imm32 +<span id="L234" class="LineNr">234 </span> 75/jump-if-not-equal $get-num:main/disp8 +<span id="L235" class="LineNr">235 </span> <span class="subxS1Comment"># . expected(ed, err, "integer")</span> +<span id="L236" class="LineNr">236 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L237" class="LineNr">237 </span> 68/push <span class="Constant">"integer"</span>/imm32 +<span id="L238" class="LineNr">238 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L239" class="LineNr">239 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> +<span id="L240" class="LineNr">240 </span> <span class="subxS2Comment"># . . call</span> +<span id="L241" class="LineNr">241 </span> e8/call <a href='crenshaw2-1.subx.html#L483'>expected</a>/disp32 <span class="subxComment"># never returns</span> +<span id="L242" class="LineNr">242 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L243" class="LineNr">243 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L244" class="LineNr">244 </span><span class="Constant">$get-num:main</span>: +<span id="L245" class="LineNr">245 </span> <span class="subxH1Comment"># - otherwise read a digit</span> +<span id="L246" class="LineNr">246 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L247" class="LineNr">247 </span> 50/push-EAX +<span id="L248" class="LineNr">248 </span> 51/push-ECX +<span id="L249" class="LineNr">249 </span> 52/push-EDX +<span id="L250" class="LineNr">250 </span> 53/push-EBX +<span id="L251" class="LineNr">251 </span> 56/push-ESI +<span id="L252" class="LineNr">252 </span> 57/push-EDI +<span id="L253" class="LineNr">253 </span> <span class="subxComment"># read necessary variables to registers</span> +<span id="L254" class="LineNr">254 </span> <span class="subxComment"># ESI = in</span> +<span id="L255" class="LineNr">255 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L256" class="LineNr">256 </span> <span class="subxComment"># EDI = out</span> +<span id="L257" class="LineNr">257 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> +<span id="L258" class="LineNr">258 </span> <span class="subxComment"># ECX = out->write</span> +<span id="L259" class="LineNr">259 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to ECX</span> +<span id="L260" class="LineNr">260 </span> <span class="subxComment"># EDX = out->length</span> +<span id="L261" class="LineNr">261 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+8) to EDX</span> +<span id="L262" class="LineNr">262 </span> <span class="subxComment"># if (out->write >= out->length) error</span> +<span id="L263" class="LineNr">263 </span> 39/compare 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDX with ECX</span> +<span id="L264" class="LineNr">264 </span> 7d/jump-if-lesser $get-num:stage2/disp8 +<span id="L265" class="LineNr">265 </span> <span class="subxS1Comment"># . error(ed, err, msg) # TODO: show full number</span> +<span id="L266" class="LineNr">266 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L267" class="LineNr">267 </span> 68/push <span class="Constant">"get-num: too many digits in number"</span>/imm32 +<span id="L268" class="LineNr">268 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L269" class="LineNr">269 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> +<span id="L270" class="LineNr">270 </span> <span class="subxS2Comment"># . . call</span> +<span id="L271" class="LineNr">271 </span> e8/call <a href='../063error.subx.html#L9'>error</a>/disp32 <span class="subxComment"># never returns</span> +<span id="L272" class="LineNr">272 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L273" class="LineNr">273 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L274" class="LineNr">274 </span><span class="Constant">$get-num:stage2</span>: +<span id="L275" class="LineNr">275 </span> <span class="subxComment"># out->data[out->write] = LSB(Look)</span> +<span id="L276" class="LineNr">276 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 1/index/ECX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+ECX+12 to EBX</span> +<span id="L277" class="LineNr">277 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="SpecialChar"><a href='crenshaw2-1.subx.html#L578'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy *Look to EAX</span> +<span id="L278" class="LineNr">278 </span> 88/copy-byte 0/mod/indirect 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at AL to *EBX</span> +<span id="L279" class="LineNr">279 </span> <span class="subxComment"># ++out->write</span> +<span id="L280" class="LineNr">280 </span> 41/increment-ECX +<span id="L281" class="LineNr">281 </span> <span class="subxComment"># Look = get-char(in)</span> +<span id="L282" class="LineNr">282 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L283" class="LineNr">283 </span> 56/push-ESI +<span id="L284" class="LineNr">284 </span> <span class="subxS2Comment"># . . call</span> +<span id="L285" class="LineNr">285 </span> e8/call <a href='crenshaw2-1.subx.html#L533'>get-char</a>/disp32 +<span id="L286" class="LineNr">286 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L287" class="LineNr">287 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L288" class="LineNr">288 </span><span class="Constant">$get-num:loop-end</span>: +<span id="L289" class="LineNr">289 </span> <span class="subxComment"># persist necessary variables from registers</span> +<span id="L290" class="LineNr">290 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *EDI</span> +<span id="L291" class="LineNr">291 </span><span class="Constant">$get-num:end</span>: +<span id="L292" class="LineNr">292 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L293" class="LineNr">293 </span> 5f/pop-to-EDI +<span id="L294" class="LineNr">294 </span> 5e/pop-to-ESI +<span id="L295" class="LineNr">295 </span> 5b/pop-to-EBX +<span id="L296" class="LineNr">296 </span> 5a/pop-to-EDX +<span id="L297" class="LineNr">297 </span> 59/pop-to-ECX +<span id="L298" class="LineNr">298 </span> 58/pop-to-EAX +<span id="L299" class="LineNr">299 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L300" class="LineNr">300 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L301" class="LineNr">301 </span> 5d/pop-to-EBP +<span id="L302" class="LineNr">302 </span> c3/return +<span id="L303" class="LineNr">303 </span> +<span id="L304" class="LineNr">304 </span><span class="subxTest">test-get-num-reads-single-digit</span>: +<span id="L305" class="LineNr">305 </span> <span class="subxH1Comment"># - check that get-num returns first character if it's a digit</span> +<span id="L306" class="LineNr">306 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L307" class="LineNr">307 </span> 55/push-EBP +<span id="L308" class="LineNr">308 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L309" class="LineNr">309 </span> <span class="subxComment"># clear all streams</span> +<span id="L310" class="LineNr">310 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L311" class="LineNr">311 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L312" class="LineNr">312 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L313" class="LineNr">313 </span> <span class="subxS2Comment"># . . call</span> +<span id="L314" class="LineNr">314 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L315" class="LineNr">315 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L316" class="LineNr">316 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L317" class="LineNr">317 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L318" class="LineNr">318 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L319" class="LineNr">319 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L320" class="LineNr">320 </span> 05/add-to-EAX 4/imm32 +<span id="L321" class="LineNr">321 </span> 50/push-EAX +<span id="L322" class="LineNr">322 </span> <span class="subxS2Comment"># . . call</span> +<span id="L323" class="LineNr">323 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L324" class="LineNr">324 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L325" class="LineNr">325 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L326" class="LineNr">326 </span> <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span> +<span id="L327" class="LineNr">327 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L328" class="LineNr">328 </span> 68/push <a href='crenshaw2-1.subx.html#L581'>_test-output-stream</a>/imm32 +<span id="L329" class="LineNr">329 </span> <span class="subxS2Comment"># . . call</span> +<span id="L330" class="LineNr">330 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L331" class="LineNr">331 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L332" class="LineNr">332 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L333" class="LineNr">333 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L334" class="LineNr">334 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L335" class="LineNr">335 </span> 68/push <a href='crenshaw2-1.subx.html#L591'>_test-error-stream</a>/imm32 +<span id="L336" class="LineNr">336 </span> <span class="subxS2Comment"># . . call</span> +<span id="L337" class="LineNr">337 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L338" class="LineNr">338 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L339" class="LineNr">339 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L340" class="LineNr">340 </span> <span class="subxComment"># initialize 'in'</span> +<span id="L341" class="LineNr">341 </span> <span class="subxS1Comment"># . write(_test-stream, "3")</span> +<span id="L342" class="LineNr">342 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L343" class="LineNr">343 </span> 68/push <span class="Constant">"3"</span>/imm32 +<span id="L344" class="LineNr">344 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L345" class="LineNr">345 </span> <span class="subxS2Comment"># . . call</span> +<span id="L346" class="LineNr">346 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L347" class="LineNr">347 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L348" class="LineNr">348 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L349" class="LineNr">349 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span> +<span id="L350" class="LineNr">350 </span> <span class="subxS1Comment"># . var ed/EAX : exit-descriptor</span> +<span id="L351" class="LineNr">351 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L352" class="LineNr">352 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> +<span id="L353" class="LineNr">353 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span> +<span id="L354" class="LineNr">354 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L355" class="LineNr">355 </span> 68/push 0x10/imm32/nbytes-of-args-for-get-num +<span id="L356" class="LineNr">356 </span> 50/push-EAX/ed +<span id="L357" class="LineNr">357 </span> <span class="subxS2Comment"># . . call</span> +<span id="L358" class="LineNr">358 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L359" class="LineNr">359 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L360" class="LineNr">360 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L361" class="LineNr">361 </span> <span class="subxComment"># prime the pump</span> +<span id="L362" class="LineNr">362 </span> <span class="subxS1Comment"># . get-char(_test-buffered-file)</span> +<span id="L363" class="LineNr">363 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L364" class="LineNr">364 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L365" class="LineNr">365 </span> <span class="subxS2Comment"># . . call</span> +<span id="L366" class="LineNr">366 </span> e8/call <a href='crenshaw2-1.subx.html#L533'>get-char</a>/disp32 +<span id="L367" class="LineNr">367 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L368" class="LineNr">368 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L369" class="LineNr">369 </span> <span class="subxComment"># get-num(in, out, err, ed)</span> +<span id="L370" class="LineNr">370 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L371" class="LineNr">371 </span> 50/push-EAX/ed +<span id="L372" class="LineNr">372 </span> 68/push <a href='crenshaw2-1.subx.html#L591'>_test-error-stream</a>/imm32 +<span id="L373" class="LineNr">373 </span> 68/push <a href='crenshaw2-1.subx.html#L581'>_test-output-stream</a>/imm32 +<span id="L374" class="LineNr">374 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L375" class="LineNr">375 </span> <span class="subxS2Comment"># . . call</span> +<span id="L376" class="LineNr">376 </span> e8/call <a href='crenshaw2-1.subx.html#L201'>get-num</a>/disp32 +<span id="L377" class="LineNr">377 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L378" class="LineNr">378 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L379" class="LineNr">379 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L380" class="LineNr">380 </span> <span class="subxComment"># check-ints-equal(*_test-output-stream->data, '3', msg)</span> +<span id="L381" class="LineNr">381 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L382" class="LineNr">382 </span> 68/push <span class="Constant">"F - test-get-num-reads-single-digit"</span>/imm32 +<span id="L383" class="LineNr">383 </span> 68/push 0x33/imm32 +<span id="L384" class="LineNr">384 </span> b8/copy-to-EAX <a href='crenshaw2-1.subx.html#L581'>_test-output-stream</a>/imm32 +<span id="L385" class="LineNr">385 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L386" class="LineNr">386 </span> <span class="subxS2Comment"># . . call</span> +<span id="L387" class="LineNr">387 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L388" class="LineNr">388 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L389" class="LineNr">389 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L390" class="LineNr">390 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L391" class="LineNr">391 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L392" class="LineNr">392 </span> 5d/pop-to-EBP +<span id="L393" class="LineNr">393 </span> c3/return +<span id="L394" class="LineNr">394 </span> +<span id="L395" class="LineNr">395 </span><span class="subxTest">test-get-num-aborts-on-non-digit-in-Look</span>: +<span id="L396" class="LineNr">396 </span> <span class="subxH1Comment"># - check that get-num returns first character if it's a digit</span> +<span id="L397" class="LineNr">397 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L398" class="LineNr">398 </span> 55/push-EBP +<span id="L399" class="LineNr">399 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L400" class="LineNr">400 </span> <span class="subxComment"># clear all streams</span> +<span id="L401" class="LineNr">401 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L402" class="LineNr">402 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L403" class="LineNr">403 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L404" class="LineNr">404 </span> <span class="subxS2Comment"># . . call</span> +<span id="L405" class="LineNr">405 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L406" class="LineNr">406 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L407" class="LineNr">407 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L408" class="LineNr">408 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L409" class="LineNr">409 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L410" class="LineNr">410 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L411" class="LineNr">411 </span> 05/add-to-EAX 4/imm32 +<span id="L412" class="LineNr">412 </span> 50/push-EAX +<span id="L413" class="LineNr">413 </span> <span class="subxS2Comment"># . . call</span> +<span id="L414" class="LineNr">414 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L415" class="LineNr">415 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L416" class="LineNr">416 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L417" class="LineNr">417 </span> <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span> +<span id="L418" class="LineNr">418 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L419" class="LineNr">419 </span> 68/push <a href='crenshaw2-1.subx.html#L581'>_test-output-stream</a>/imm32 +<span id="L420" class="LineNr">420 </span> <span class="subxS2Comment"># . . call</span> +<span id="L421" class="LineNr">421 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L422" class="LineNr">422 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L423" class="LineNr">423 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L424" class="LineNr">424 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L425" class="LineNr">425 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L426" class="LineNr">426 </span> 68/push <a href='crenshaw2-1.subx.html#L591'>_test-error-stream</a>/imm32 +<span id="L427" class="LineNr">427 </span> <span class="subxS2Comment"># . . call</span> +<span id="L428" class="LineNr">428 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L429" class="LineNr">429 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L430" class="LineNr">430 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L431" class="LineNr">431 </span> <span class="subxComment"># initialize 'in'</span> +<span id="L432" class="LineNr">432 </span> <span class="subxS1Comment"># . write(_test-stream, "3")</span> +<span id="L433" class="LineNr">433 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L434" class="LineNr">434 </span> 68/push <span class="Constant">"3"</span>/imm32 +<span id="L435" class="LineNr">435 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L436" class="LineNr">436 </span> <span class="subxS2Comment"># . . call</span> +<span id="L437" class="LineNr">437 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L438" class="LineNr">438 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L439" class="LineNr">439 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L440" class="LineNr">440 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span> +<span id="L441" class="LineNr">441 </span> <span class="subxS1Comment"># . var ed/EAX : (address exit-descriptor)</span> +<span id="L442" class="LineNr">442 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L443" class="LineNr">443 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> +<span id="L444" class="LineNr">444 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span> +<span id="L445" class="LineNr">445 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L446" class="LineNr">446 </span> 68/push 0x10/imm32/nbytes-of-args-for-get-num +<span id="L447" class="LineNr">447 </span> 50/push-EAX/ed +<span id="L448" class="LineNr">448 </span> <span class="subxS2Comment"># . . call</span> +<span id="L449" class="LineNr">449 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L450" class="LineNr">450 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L451" class="LineNr">451 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L452" class="LineNr">452 </span> <span class="subxComment"># *don't* prime the pump</span> +<span id="L453" class="LineNr">453 </span> <span class="subxComment"># get-num(in, out, err, ed)</span> +<span id="L454" class="LineNr">454 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L455" class="LineNr">455 </span> 50/push-EAX/ed +<span id="L456" class="LineNr">456 </span> 68/push <a href='crenshaw2-1.subx.html#L591'>_test-error-stream</a>/imm32 +<span id="L457" class="LineNr">457 </span> 68/push <a href='crenshaw2-1.subx.html#L581'>_test-output-stream</a>/imm32 +<span id="L458" class="LineNr">458 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L459" class="LineNr">459 </span> <span class="subxS2Comment"># . . call</span> +<span id="L460" class="LineNr">460 </span> e8/call <a href='crenshaw2-1.subx.html#L201'>get-num</a>/disp32 +<span id="L461" class="LineNr">461 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L462" class="LineNr">462 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L463" class="LineNr">463 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L464" class="LineNr">464 </span> <span class="subxComment"># check that get-num tried to call exit(1)</span> +<span id="L465" class="LineNr">465 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 2, msg) # i.e. stop was called with value 1</span> +<span id="L466" class="LineNr">466 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L467" class="LineNr">467 </span> 68/push <span class="Constant">"F - test-get-num-aborts-on-non-digit-in-Look"</span>/imm32 +<span id="L468" class="LineNr">468 </span> 68/push 2/imm32 +<span id="L469" class="LineNr">469 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L470" class="LineNr">470 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L471" class="LineNr">471 </span> <span class="subxS2Comment"># . . call</span> +<span id="L472" class="LineNr">472 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L473" class="LineNr">473 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L474" class="LineNr">474 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L475" class="LineNr">475 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L476" class="LineNr">476 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L477" class="LineNr">477 </span> 5d/pop-to-EBP +<span id="L478" class="LineNr">478 </span> c3/return +<span id="L479" class="LineNr">479 </span> +<span id="L480" class="LineNr">480 </span><span class="subxComment">## helpers</span> +<span id="L481" class="LineNr">481 </span> +<span id="L482" class="LineNr">482 </span><span class="subxComment"># write(f, "Error: "+s+" expected\n") then stop(ed, 1)</span> +<span id="L483" class="LineNr">483 </span><span class="subxFunction">expected</span>: <span class="subxComment"># ed : (address exit-descriptor), f : fd or (address stream), s : (address array byte) -> <void></span> +<span id="L484" class="LineNr">484 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L485" class="LineNr">485 </span> 55/push-EBP +<span id="L486" class="LineNr">486 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L487" class="LineNr">487 </span> <span class="subxComment"># write(f, "Error: ")</span> +<span id="L488" class="LineNr">488 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L489" class="LineNr">489 </span> 68/push <span class="Constant">"Error: "</span>/imm32 +<span id="L490" class="LineNr">490 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L491" class="LineNr">491 </span> <span class="subxS2Comment"># . . call</span> +<span id="L492" class="LineNr">492 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L493" class="LineNr">493 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L494" class="LineNr">494 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L495" class="LineNr">495 </span> <span class="subxComment"># write(f, s)</span> +<span id="L496" class="LineNr">496 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L497" class="LineNr">497 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L498" class="LineNr">498 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L499" class="LineNr">499 </span> <span class="subxS2Comment"># . . call</span> +<span id="L500" class="LineNr">500 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L501" class="LineNr">501 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L502" class="LineNr">502 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L503" class="LineNr">503 </span> <span class="subxComment"># write(f, " expected")</span> +<span id="L504" class="LineNr">504 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L505" class="LineNr">505 </span> 68/push <span class="Constant">" expected"</span>/imm32 +<span id="L506" class="LineNr">506 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L507" class="LineNr">507 </span> <span class="subxS2Comment"># . . call</span> +<span id="L508" class="LineNr">508 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L509" class="LineNr">509 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L510" class="LineNr">510 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L511" class="LineNr">511 </span> <span class="subxComment"># write(f, Newline)</span> +<span id="L512" class="LineNr">512 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L513" class="LineNr">513 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L514" class="LineNr">514 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L515" class="LineNr">515 </span> <span class="subxS2Comment"># . . call</span> +<span id="L516" class="LineNr">516 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L517" class="LineNr">517 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L518" class="LineNr">518 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L519" class="LineNr">519 </span> <span class="subxComment"># stop(ed, 1)</span> +<span id="L520" class="LineNr">520 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L521" class="LineNr">521 </span> 68/push 1/imm32 +<span id="L522" class="LineNr">522 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L523" class="LineNr">523 </span> <span class="subxS2Comment"># . . call</span> +<span id="L524" class="LineNr">524 </span> e8/call <a href='../059stop.subx.html#L98'>stop</a>/disp32 +<span id="L525" class="LineNr">525 </span> <span class="subxComment"># should never get past this point</span> +<span id="L526" class="LineNr">526 </span><span class="Constant">$expected:dead-end</span>: +<span id="L527" class="LineNr">527 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L528" class="LineNr">528 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L529" class="LineNr">529 </span> 5d/pop-to-EBP +<span id="L530" class="LineNr">530 </span> c3/return +<span id="L531" class="LineNr">531 </span> +<span id="L532" class="LineNr">532 </span><span class="subxComment"># read a byte from 'f', and save it in 'Look'</span> +<span id="L533" class="LineNr">533 </span><span class="subxFunction">get-char</span>: <span class="subxComment"># f : (address buffered-file) -> <void></span> +<span id="L534" class="LineNr">534 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L535" class="LineNr">535 </span> 55/push-EBP +<span id="L536" class="LineNr">536 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L537" class="LineNr">537 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L538" class="LineNr">538 </span> 50/push-EAX +<span id="L539" class="LineNr">539 </span> <span class="subxComment"># read-byte(f)</span> +<span id="L540" class="LineNr">540 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L541" class="LineNr">541 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L542" class="LineNr">542 </span> <span class="subxS2Comment"># . . call</span> +<span id="L543" class="LineNr">543 </span> e8/call <a href='../061read-byte.subx.html#L44'>read-byte</a>/disp32 +<span id="L544" class="LineNr">544 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L545" class="LineNr">545 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L546" class="LineNr">546 </span> <span class="subxComment"># save EAX to Look</span> +<span id="L547" class="LineNr">547 </span> 89/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="SpecialChar"><a href='crenshaw2-1.subx.html#L578'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *Look</span> +<span id="L548" class="LineNr">548 </span><span class="Constant">$get-char:end</span>: +<span id="L549" class="LineNr">549 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L550" class="LineNr">550 </span> 58/pop-to-EAX +<span id="L551" class="LineNr">551 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L552" class="LineNr">552 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L553" class="LineNr">553 </span> 5d/pop-to-EBP +<span id="L554" class="LineNr">554 </span> c3/return +<span id="L555" class="LineNr">555 </span> +<span id="L556" class="LineNr">556 </span><span class="subxFunction">is-digit?</span>: <span class="subxComment"># c : int -> EAX : boolean</span> +<span id="L557" class="LineNr">557 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L558" class="LineNr">558 </span> 55/push-EBP +<span id="L559" class="LineNr">559 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L560" class="LineNr">560 </span> <span class="subxComment"># EAX = false</span> +<span id="L561" class="LineNr">561 </span> b8/copy-to-EAX 0/imm32 +<span id="L562" class="LineNr">562 </span> <span class="subxComment"># if (c < '0') return false</span> +<span id="L563" class="LineNr">563 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x30/imm32 <span class="subxComment"># compare *(EBP+8)</span> +<span id="L564" class="LineNr">564 </span> 7c/jump-if-lesser $is-digit?:end/disp8 +<span id="L565" class="LineNr">565 </span> <span class="subxComment"># if (c > '9') return false</span> +<span id="L566" class="LineNr">566 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x39/imm32 <span class="subxComment"># compare *(EBP+8)</span> +<span id="L567" class="LineNr">567 </span> 7f/jump-if-greater $is-digit?:end/disp8 +<span id="L568" class="LineNr">568 </span> <span class="subxComment"># otherwise return true</span> +<span id="L569" class="LineNr">569 </span> b8/copy-to-EAX 1/imm32 +<span id="L570" class="LineNr">570 </span><span class="Constant">$is-digit?:end</span>: +<span id="L571" class="LineNr">571 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L572" class="LineNr">572 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L573" class="LineNr">573 </span> 5d/pop-to-EBP +<span id="L574" class="LineNr">574 </span> c3/return +<span id="L575" class="LineNr">575 </span> +<span id="L576" class="LineNr">576 </span>== data +<span id="L577" class="LineNr">577 </span> +<span id="L578" class="LineNr">578 </span><span class="SpecialChar">Look</span>: <span class="subxComment"># (char with some extra padding)</span> +<span id="L579" class="LineNr">579 </span> 0/imm32 +<span id="L580" class="LineNr">580 </span> +<span id="L581" class="LineNr">581 </span><span class="subxMinorFunction">_test-output-stream</span>: +<span id="L582" class="LineNr">582 </span> <span class="subxComment"># current write index</span> +<span id="L583" class="LineNr">583 </span> 0/imm32 +<span id="L584" class="LineNr">584 </span> <span class="subxComment"># current read index</span> +<span id="L585" class="LineNr">585 </span> 0/imm32 +<span id="L586" class="LineNr">586 </span> <span class="subxComment"># length</span> +<span id="L587" class="LineNr">587 </span> 8/imm32 +<span id="L588" class="LineNr">588 </span> <span class="subxComment"># data</span> +<span id="L589" class="LineNr">589 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> +<span id="L590" class="LineNr">590 </span> +<span id="L591" class="LineNr">591 </span><span class="subxMinorFunction">_test-error-stream</span>: +<span id="L592" class="LineNr">592 </span> <span class="subxComment"># current write index</span> +<span id="L593" class="LineNr">593 </span> 0/imm32 +<span id="L594" class="LineNr">594 </span> <span class="subxComment"># current read index</span> +<span id="L595" class="LineNr">595 </span> 0/imm32 +<span id="L596" class="LineNr">596 </span> <span class="subxComment"># length</span> +<span id="L597" class="LineNr">597 </span> 8/imm32 +<span id="L598" class="LineNr">598 </span> <span class="subxComment"># data</span> +<span id="L599" class="LineNr">599 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> +<span id="L600" class="LineNr">600 </span> +<span id="L601" class="LineNr">601 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/apps/crenshaw2-1b.subx.html b/html/subx/apps/crenshaw2-1b.subx.html index e51f7c44..42cb3fe0 100644 --- a/html/subx/apps/crenshaw2-1b.subx.html +++ b/html/subx/apps/crenshaw2-1b.subx.html @@ -18,13 +18,13 @@ a { color:inherit; } .subxS2Comment { color: #8a8a8a; } .LineNr { } .subxS1Comment { color: #0000af; } -.CommentedCode { color: #8a8a8a; } +.SpecialChar { color: #d70000; } .Constant { color: #008787; } .subxFunction { color: #af5f00; text-decoration: underline; } .subxMinorFunction { color: #875f5f; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } .subxTest { color: #5f8700; } -.SpecialChar { color: #d70000; } +.CommentedCode { color: #8a8a8a; } .subxH1Comment { color: #005faf; text-decoration: underline; } --> </style> @@ -93,771 +93,772 @@ if ('onhashchange' in window) { <span id="L30" class="LineNr"> 30 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L31" class="LineNr"> 31 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L32" class="LineNr"> 32 </span> -<span id="L33" class="LineNr"> 33 </span><span class="CommentedCode">#? # for debugging: run a single test; don't bother setting status code</span> -<span id="L34" class="LineNr"> 34 </span><span class="CommentedCode">#? e8/call test-get-num-reads-single-digit/disp32</span> -<span id="L35" class="LineNr"> 35 </span><span class="CommentedCode">#? eb/jump $main:end/disp8</span> -<span id="L36" class="LineNr"> 36 </span> -<span id="L37" class="LineNr"> 37 </span><span class="subxComment"># main: run tests if necessary, call 'compile' if not</span> -<span id="L38" class="LineNr"> 38 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L39" class="LineNr"> 39 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L40" class="LineNr"> 40 </span> <span class="subxH1Comment"># - if argc > 1 and argv[1] == "test", then return run_tests()</span> -<span id="L41" class="LineNr"> 41 </span> <span class="subxS1Comment"># . argc > 1</span> -<span id="L42" class="LineNr"> 42 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/disp8 1/imm32 <span class="subxComment"># compare *EBP</span> -<span id="L43" class="LineNr"> 43 </span> 7e/jump-if-lesser-or-equal $run-main/disp8 -<span id="L44" class="LineNr"> 44 </span> <span class="subxS1Comment"># . argv[1] == "test"</span> -<span id="L45" class="LineNr"> 45 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L46" class="LineNr"> 46 </span> 68/push <span class="Constant">"test"</span>/imm32 -<span id="L47" class="LineNr"> 47 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L48" class="LineNr"> 48 </span> <span class="subxS2Comment"># . . call</span> -<span id="L49" class="LineNr"> 49 </span> e8/call <a href='../052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 -<span id="L50" class="LineNr"> 50 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L51" class="LineNr"> 51 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L52" class="LineNr"> 52 </span> <span class="subxS1Comment"># . check result</span> -<span id="L53" class="LineNr"> 53 </span> 3d/compare-EAX 1/imm32 -<span id="L54" class="LineNr"> 54 </span> 75/jump-if-not-equal $run-main/disp8 -<span id="L55" class="LineNr"> 55 </span> <span class="subxS1Comment"># . run-tests()</span> -<span id="L56" class="LineNr"> 56 </span> e8/call run-tests/disp32 -<span id="L57" class="LineNr"> 57 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='../051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L58" class="LineNr"> 58 </span> eb/jump $main:end/disp8 -<span id="L59" class="LineNr"> 59 </span><span class="Constant">$run-main</span>: -<span id="L60" class="LineNr"> 60 </span> <span class="subxH1Comment"># - otherwise read a program from stdin and emit its translation to stdout</span> -<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># var ed/EAX : exit-descriptor</span> -<span id="L62" class="LineNr"> 62 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L63" class="LineNr"> 63 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> -<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># configure ed to really exit()</span> -<span id="L65" class="LineNr"> 65 </span> <span class="subxS1Comment"># . ed->target = 0</span> -<span id="L66" class="LineNr"> 66 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> -<span id="L67" class="LineNr"> 67 </span> <span class="subxComment"># return compile(Stdin, 1/stdout, 2/stderr, ed)</span> -<span id="L68" class="LineNr"> 68 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L69" class="LineNr"> 69 </span> 50/push-EAX/ed -<span id="L70" class="LineNr"> 70 </span> 68/push 2/imm32/stderr -<span id="L71" class="LineNr"> 71 </span> 68/push 1/imm32/stdout -<span id="L72" class="LineNr"> 72 </span> 68/push <span class="SpecialChar"><a href='../061read-byte.subx.html#L14'>Stdin</a></span>/imm32 -<span id="L73" class="LineNr"> 73 </span> <span class="subxS2Comment"># . . call</span> -<span id="L74" class="LineNr"> 74 </span> e8/call <a href='crenshaw2-1b.subx.html#L84'>compile</a>/disp32 -<span id="L75" class="LineNr"> 75 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L76" class="LineNr"> 76 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L77" class="LineNr"> 77 </span> <span class="subxS1Comment"># . syscall(exit, 0)</span> -<span id="L78" class="LineNr"> 78 </span> bb/copy-to-EBX 0/imm32 -<span id="L79" class="LineNr"> 79 </span><span class="Constant">$main:end</span>: -<span id="L80" class="LineNr"> 80 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L81" class="LineNr"> 81 </span> cd/syscall 0x80/imm8 -<span id="L82" class="LineNr"> 82 </span> -<span id="L83" class="LineNr"> 83 </span><span class="subxComment"># the main entry point</span> -<span id="L84" class="LineNr"> 84 </span><span class="subxFunction">compile</span>: <span class="subxComment"># in : (address buffered-file), out : fd or (address stream), err : fd or (address stream), ed : (address exit-descriptor) -> <void></span> -<span id="L85" class="LineNr"> 85 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L86" class="LineNr"> 86 </span> 55/push-EBP -<span id="L87" class="LineNr"> 87 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L88" class="LineNr"> 88 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L89" class="LineNr"> 89 </span> 50/push-EAX -<span id="L90" class="LineNr"> 90 </span> 51/push-ECX -<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># prime the pump</span> -<span id="L92" class="LineNr"> 92 </span> <span class="subxS1Comment"># . Look = get-char(in)</span> -<span id="L93" class="LineNr"> 93 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L94" class="LineNr"> 94 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L95" class="LineNr"> 95 </span> <span class="subxS2Comment"># . . call</span> -<span id="L96" class="LineNr"> 96 </span> e8/call <a href='crenshaw2-1b.subx.html#L730'>get-char</a>/disp32 -<span id="L97" class="LineNr"> 97 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L98" class="LineNr"> 98 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># var num/ECX : (address stream) on the stack</span> -<span id="L100" class="LineNr">100 </span> <span class="subxComment"># Numbers can be 32 bits or 8 hex bytes long. One of them will be in 'Look', so we need space for 7 bytes.</span> -<span id="L101" class="LineNr">101 </span> <span class="subxComment"># Sizing the stream just right buys us overflow-handling for free inside 'get-num'.</span> -<span id="L102" class="LineNr">102 </span> <span class="subxComment"># Add 12 bytes for 'read', 'write' and 'length' fields, for a total of 19 bytes, or 0x13 in hex.</span> -<span id="L103" class="LineNr">103 </span> <span class="subxComment"># The stack pointer is no longer aligned, so dump_stack() can be misleading past this point.</span> -<span id="L104" class="LineNr">104 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x13/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L105" class="LineNr">105 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L106" class="LineNr">106 </span> <span class="subxComment"># initialize the stream</span> -<span id="L107" class="LineNr">107 </span> <span class="subxS1Comment"># . num->length = 7</span> -<span id="L108" class="LineNr">108 </span> c7 0/subop/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 7/imm32 <span class="subxComment"># copy to *(ECX+8)</span> -<span id="L109" class="LineNr">109 </span> <span class="subxS1Comment"># . clear-stream(num)</span> -<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L111" class="LineNr">111 </span> 51/push-ECX -<span id="L112" class="LineNr">112 </span> <span class="subxS2Comment"># . . call</span> -<span id="L113" class="LineNr">113 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L115" class="LineNr">115 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L116" class="LineNr">116 </span> <span class="subxComment"># read a digit from 'in' into 'num'</span> -<span id="L117" class="LineNr">117 </span> <span class="subxS1Comment"># . get-num(in, num, err, ed)</span> -<span id="L118" class="LineNr">118 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L119" class="LineNr">119 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> -<span id="L120" class="LineNr">120 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L121" class="LineNr">121 </span> 51/push-ECX/num -<span id="L122" class="LineNr">122 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L123" class="LineNr">123 </span> <span class="subxS2Comment"># . . call</span> -<span id="L124" class="LineNr">124 </span> e8/call <a href='crenshaw2-1b.subx.html#L201'>get-num</a>/disp32 -<span id="L125" class="LineNr">125 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L126" class="LineNr">126 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L127" class="LineNr">127 </span> <span class="subxComment"># render 'num' into the following template on 'out':</span> -<span id="L128" class="LineNr">128 </span> <span class="subxComment"># bb/copy-to-EBX _num_</span> -<span id="L129" class="LineNr">129 </span> <span class="subxComment"># b8/copy-to-EAX 1/imm32/exit</span> -<span id="L130" class="LineNr">130 </span> <span class="subxComment"># cd/syscall 0x80/imm8</span> -<span id="L131" class="LineNr">131 </span> <span class="subxComment">#</span> -<span id="L132" class="LineNr">132 </span> <span class="subxS1Comment"># . write(out, "bb/copy-to-EBX ")</span> -<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L134" class="LineNr">134 </span> 68/push <span class="Constant">"bb/copy-to-EBX "</span>/imm32 -<span id="L135" class="LineNr">135 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . call</span> -<span id="L137" class="LineNr">137 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L139" class="LineNr">139 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L140" class="LineNr">140 </span> <span class="subxS1Comment"># . write-stream(out, num)</span> -<span id="L141" class="LineNr">141 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L142" class="LineNr">142 </span> 51/push-ECX/num -<span id="L143" class="LineNr">143 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L144" class="LineNr">144 </span> <span class="subxS2Comment"># . . call</span> -<span id="L145" class="LineNr">145 </span> e8/call <a href='../062write-stream.subx.html#L22'>write-stream</a>/disp32 -<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L147" class="LineNr">147 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L148" class="LineNr">148 </span> <span class="subxS1Comment"># . write(out, Newline)</span> -<span id="L149" class="LineNr">149 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L150" class="LineNr">150 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L151" class="LineNr">151 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L152" class="LineNr">152 </span> <span class="subxS2Comment"># . . call</span> -<span id="L153" class="LineNr">153 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L155" class="LineNr">155 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L156" class="LineNr">156 </span> <span class="subxS1Comment"># . write(out, "b8/copy-to-EAX 1/imm32/exit")</span> -<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L158" class="LineNr">158 </span> 68/push <span class="Constant">"b8/copy-to-EAX 1/imm32/exit"</span>/imm32 -<span id="L159" class="LineNr">159 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . call</span> -<span id="L161" class="LineNr">161 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L162" class="LineNr">162 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L163" class="LineNr">163 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . write(out, Newline)</span> -<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L166" class="LineNr">166 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L167" class="LineNr">167 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . call</span> -<span id="L169" class="LineNr">169 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L170" class="LineNr">170 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L171" class="LineNr">171 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L172" class="LineNr">172 </span> <span class="subxS1Comment"># . write(out, "cd/syscall 0x80/imm8")</span> -<span id="L173" class="LineNr">173 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L174" class="LineNr">174 </span> 68/push <span class="Constant">"cd/syscall 0x80/imm8"</span>/imm32 -<span id="L175" class="LineNr">175 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . call</span> -<span id="L177" class="LineNr">177 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L179" class="LineNr">179 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L180" class="LineNr">180 </span> <span class="subxS1Comment"># . write(out, Newline)</span> -<span id="L181" class="LineNr">181 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L182" class="LineNr">182 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L183" class="LineNr">183 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . call</span> -<span id="L185" class="LineNr">185 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L186" class="LineNr">186 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L187" class="LineNr">187 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L188" class="LineNr">188 </span><span class="Constant">$compile:end</span>: -<span id="L189" class="LineNr">189 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L190" class="LineNr">190 </span> 59/pop-to-ECX -<span id="L191" class="LineNr">191 </span> 58/pop-to-EAX -<span id="L192" class="LineNr">192 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L193" class="LineNr">193 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L194" class="LineNr">194 </span> 5d/pop-to-EBP -<span id="L195" class="LineNr">195 </span> c3/return -<span id="L196" class="LineNr">196 </span> -<span id="L197" class="LineNr">197 </span><span class="subxComment"># Read a sequence of digits into 'out'. Abort if there are none, or if there is</span> -<span id="L198" class="LineNr">198 </span><span class="subxComment"># no space in 'out'.</span> -<span id="L199" class="LineNr">199 </span><span class="subxComment"># Input comes from the global variable 'Look' (first byte) and the argument</span> -<span id="L200" class="LineNr">200 </span><span class="subxComment"># 'in' (rest). We leave the next byte from 'in' into 'Look' on exit.</span> -<span id="L201" class="LineNr">201 </span><span class="subxFunction">get-num</span>: <span class="subxComment"># in : (address buffered-file), out : (address stream), err : fd or (address stream), ed : (address exit-descriptor) -> <void></span> -<span id="L202" class="LineNr">202 </span> <span class="subxComment"># pseudocode:</span> -<span id="L203" class="LineNr">203 </span> <span class="subxComment"># if (!is-digit?(Look)) expected(ed, err, "integer")</span> -<span id="L204" class="LineNr">204 </span> <span class="subxComment"># do</span> -<span id="L205" class="LineNr">205 </span> <span class="subxComment"># if (out->write >= out->length)</span> -<span id="L206" class="LineNr">206 </span> <span class="subxComment"># write(err, "Error: too many digits in number\n")</span> -<span id="L207" class="LineNr">207 </span> <span class="subxComment"># stop(ed, 1)</span> -<span id="L208" class="LineNr">208 </span> <span class="subxComment"># out->data[out->write] = LSB(Look)</span> -<span id="L209" class="LineNr">209 </span> <span class="subxComment"># ++out->write</span> -<span id="L210" class="LineNr">210 </span> <span class="subxComment"># Look = get-char(in)</span> -<span id="L211" class="LineNr">211 </span> <span class="subxComment"># while (is-digit?(Look))</span> -<span id="L212" class="LineNr">212 </span> <span class="subxComment"># This is complicated because I don't want to hard-code the error strategy in</span> -<span id="L213" class="LineNr">213 </span> <span class="subxComment"># a general helper like write-byte. Maybe I should just create a local helper.</span> -<span id="L214" class="LineNr">214 </span> <span class="subxComment">#</span> -<span id="L215" class="LineNr">215 </span> <span class="subxComment"># within the loop we'll try to keep things in registers:</span> -<span id="L216" class="LineNr">216 </span> <span class="subxComment"># in: ESI</span> -<span id="L217" class="LineNr">217 </span> <span class="subxComment"># out: EDI</span> -<span id="L218" class="LineNr">218 </span> <span class="subxComment"># out->write: ECX (cached copy; need to keep in sync)</span> -<span id="L219" class="LineNr">219 </span> <span class="subxComment"># out->length: EDX</span> -<span id="L220" class="LineNr">220 </span> <span class="subxComment"># temporaries: EAX, EBX</span> -<span id="L221" class="LineNr">221 </span> <span class="subxComment"># We can't allocate Look to a register because it gets written implicitly in</span> -<span id="L222" class="LineNr">222 </span> <span class="subxComment"># get-char in each iteration of the loop. (Thereby demonstrating that it's</span> -<span id="L223" class="LineNr">223 </span> <span class="subxComment"># not the right interface for us. But we'll keep it just to follow Crenshaw.)</span> -<span id="L224" class="LineNr">224 </span> <span class="subxComment">#</span> -<span id="L225" class="LineNr">225 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L226" class="LineNr">226 </span> 55/push-EBP -<span id="L227" class="LineNr">227 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L228" class="LineNr">228 </span> <span class="subxH1Comment"># - if (is-digit?(Look)) expected(ed, err, "integer")</span> -<span id="L229" class="LineNr">229 </span> <span class="subxS1Comment"># . EAX = is-digit?(Look)</span> -<span id="L230" class="LineNr">230 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L231" class="LineNr">231 </span> ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='crenshaw2-1b.subx.html#L774'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># push *Look</span> -<span id="L232" class="LineNr">232 </span> <span class="subxS2Comment"># . . call</span> -<span id="L233" class="LineNr">233 </span> e8/call <a href='crenshaw2-1b.subx.html#L752'>is-digit?</a>/disp32 -<span id="L234" class="LineNr">234 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L235" class="LineNr">235 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L236" class="LineNr">236 </span> <span class="subxS1Comment"># . if (EAX == 0)</span> -<span id="L237" class="LineNr">237 </span> 3d/compare-EAX 0/imm32 -<span id="L238" class="LineNr">238 </span> 75/jump-if-not-equal $get-num:main/disp8 -<span id="L239" class="LineNr">239 </span> <span class="subxS1Comment"># . expected(ed, err, "integer")</span> -<span id="L240" class="LineNr">240 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L241" class="LineNr">241 </span> 68/push <span class="Constant">"integer"</span>/imm32 -<span id="L242" class="LineNr">242 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L243" class="LineNr">243 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> -<span id="L244" class="LineNr">244 </span> <span class="subxS2Comment"># . . call</span> -<span id="L245" class="LineNr">245 </span> e8/call <a href='crenshaw2-1b.subx.html#L681'>expected</a>/disp32 <span class="subxComment"># never returns</span> -<span id="L246" class="LineNr">246 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L247" class="LineNr">247 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L248" class="LineNr">248 </span><span class="Constant">$get-num:main</span>: -<span id="L249" class="LineNr">249 </span> <span class="subxH1Comment"># - otherwise read a digit</span> -<span id="L250" class="LineNr">250 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L251" class="LineNr">251 </span> 50/push-EAX -<span id="L252" class="LineNr">252 </span> 51/push-ECX -<span id="L253" class="LineNr">253 </span> 52/push-EDX -<span id="L254" class="LineNr">254 </span> 53/push-EBX -<span id="L255" class="LineNr">255 </span> 56/push-ESI -<span id="L256" class="LineNr">256 </span> 57/push-EDI -<span id="L257" class="LineNr">257 </span> <span class="subxComment"># read necessary variables to registers</span> -<span id="L258" class="LineNr">258 </span> <span class="subxComment"># ESI = in</span> -<span id="L259" class="LineNr">259 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L260" class="LineNr">260 </span> <span class="subxComment"># EDI = out</span> -<span id="L261" class="LineNr">261 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> -<span id="L262" class="LineNr">262 </span> <span class="subxComment"># ECX = out->write</span> -<span id="L263" class="LineNr">263 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to ECX</span> -<span id="L264" class="LineNr">264 </span> <span class="subxComment"># EDX = out->length</span> -<span id="L265" class="LineNr">265 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+8) to EDX</span> -<span id="L266" class="LineNr">266 </span><span class="Constant">$get-num:loop</span>: -<span id="L267" class="LineNr">267 </span> <span class="subxComment"># if (out->write >= out->length) error</span> -<span id="L268" class="LineNr">268 </span> 39/compare 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDX with ECX</span> -<span id="L269" class="LineNr">269 </span> 7d/jump-if-lesser $get-num:loop-stage2/disp8 -<span id="L270" class="LineNr">270 </span> <span class="subxS1Comment"># . error(ed, err, msg) # TODO: show full number</span> -<span id="L271" class="LineNr">271 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L272" class="LineNr">272 </span> 68/push <span class="Constant">"get-num: too many digits in number"</span>/imm32 -<span id="L273" class="LineNr">273 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L274" class="LineNr">274 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> -<span id="L275" class="LineNr">275 </span> <span class="subxS2Comment"># . . call</span> -<span id="L276" class="LineNr">276 </span> e8/call <a href='../063error.subx.html#L16'>error</a>/disp32 <span class="subxComment"># never returns</span> -<span id="L277" class="LineNr">277 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L278" class="LineNr">278 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L279" class="LineNr">279 </span><span class="Constant">$get-num:loop-stage2</span>: -<span id="L280" class="LineNr">280 </span> <span class="subxComment"># out->data[out->write] = LSB(Look)</span> -<span id="L281" class="LineNr">281 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 1/index/ECX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+ECX+12 to EBX</span> -<span id="L282" class="LineNr">282 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="SpecialChar"><a href='crenshaw2-1b.subx.html#L774'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy *Look to EAX</span> -<span id="L283" class="LineNr">283 </span> 88/copy-byte 0/mod/indirect 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at AL to *EBX</span> -<span id="L284" class="LineNr">284 </span> <span class="subxComment"># ++out->write</span> -<span id="L285" class="LineNr">285 </span> 41/increment-ECX -<span id="L286" class="LineNr">286 </span> <span class="subxComment"># Look = get-char(in)</span> -<span id="L287" class="LineNr">287 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L288" class="LineNr">288 </span> 56/push-ESI -<span id="L289" class="LineNr">289 </span> <span class="subxS2Comment"># . . call</span> -<span id="L290" class="LineNr">290 </span> e8/call <a href='crenshaw2-1b.subx.html#L730'>get-char</a>/disp32 -<span id="L291" class="LineNr">291 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L292" class="LineNr">292 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L293" class="LineNr">293 </span> <span class="subxComment"># if (is-digit?(Look)) loop</span> -<span id="L294" class="LineNr">294 </span> <span class="subxS1Comment"># . EAX = is-digit?(Look)</span> -<span id="L295" class="LineNr">295 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L296" class="LineNr">296 </span> ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='crenshaw2-1b.subx.html#L774'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># push *Look</span> -<span id="L297" class="LineNr">297 </span> <span class="subxS2Comment"># . . call</span> -<span id="L298" class="LineNr">298 </span> e8/call <a href='crenshaw2-1b.subx.html#L752'>is-digit?</a>/disp32 -<span id="L299" class="LineNr">299 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L300" class="LineNr">300 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L301" class="LineNr">301 </span> <span class="subxS1Comment"># . if (EAX != 0) loop</span> -<span id="L302" class="LineNr">302 </span> 3d/compare-EAX 0/imm32 -<span id="L303" class="LineNr">303 </span> 0f 85/jump-if-not-equal $get-num:loop/disp32 -<span id="L304" class="LineNr">304 </span><span class="Constant">$get-num:loop-end</span>: -<span id="L305" class="LineNr">305 </span> <span class="subxComment"># persist necessary variables from registers</span> -<span id="L306" class="LineNr">306 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *EDI</span> -<span id="L307" class="LineNr">307 </span><span class="Constant">$get-num:end</span>: -<span id="L308" class="LineNr">308 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L309" class="LineNr">309 </span> 5f/pop-to-EDI -<span id="L310" class="LineNr">310 </span> 5e/pop-to-ESI -<span id="L311" class="LineNr">311 </span> 5b/pop-to-EBX -<span id="L312" class="LineNr">312 </span> 5a/pop-to-EDX -<span id="L313" class="LineNr">313 </span> 59/pop-to-ECX -<span id="L314" class="LineNr">314 </span> 58/pop-to-EAX -<span id="L315" class="LineNr">315 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L316" class="LineNr">316 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L317" class="LineNr">317 </span> 5d/pop-to-EBP -<span id="L318" class="LineNr">318 </span> c3/return -<span id="L319" class="LineNr">319 </span> -<span id="L320" class="LineNr">320 </span><span class="subxTest">test-get-num-reads-single-digit</span>: -<span id="L321" class="LineNr">321 </span> <span class="subxH1Comment"># - check that get-num returns first character if it's a digit</span> -<span id="L322" class="LineNr">322 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L323" class="LineNr">323 </span> 55/push-EBP -<span id="L324" class="LineNr">324 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L325" class="LineNr">325 </span> <span class="subxComment"># clear all streams</span> -<span id="L326" class="LineNr">326 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L327" class="LineNr">327 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L328" class="LineNr">328 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L329" class="LineNr">329 </span> <span class="subxS2Comment"># . . call</span> -<span id="L330" class="LineNr">330 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L331" class="LineNr">331 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L332" class="LineNr">332 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L333" class="LineNr">333 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L334" class="LineNr">334 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L335" class="LineNr">335 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L336" class="LineNr">336 </span> 05/add-to-EAX 4/imm32 -<span id="L337" class="LineNr">337 </span> 50/push-EAX -<span id="L338" class="LineNr">338 </span> <span class="subxS2Comment"># . . call</span> -<span id="L339" class="LineNr">339 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L340" class="LineNr">340 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L341" class="LineNr">341 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L342" class="LineNr">342 </span> <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span> -<span id="L343" class="LineNr">343 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L344" class="LineNr">344 </span> 68/push <a href='crenshaw2-1b.subx.html#L777'>_test-output-stream</a>/imm32 -<span id="L345" class="LineNr">345 </span> <span class="subxS2Comment"># . . call</span> -<span id="L346" class="LineNr">346 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L347" class="LineNr">347 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L348" class="LineNr">348 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L349" class="LineNr">349 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L350" class="LineNr">350 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L351" class="LineNr">351 </span> 68/push <a href='crenshaw2-1b.subx.html#L787'>_test-error-stream</a>/imm32 -<span id="L352" class="LineNr">352 </span> <span class="subxS2Comment"># . . call</span> -<span id="L353" class="LineNr">353 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L354" class="LineNr">354 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L355" class="LineNr">355 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L356" class="LineNr">356 </span> <span class="subxComment"># initialize 'in'</span> -<span id="L357" class="LineNr">357 </span> <span class="subxS1Comment"># . write(_test-stream, "3")</span> -<span id="L358" class="LineNr">358 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L359" class="LineNr">359 </span> 68/push <span class="Constant">"3"</span>/imm32 -<span id="L360" class="LineNr">360 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L361" class="LineNr">361 </span> <span class="subxS2Comment"># . . call</span> -<span id="L362" class="LineNr">362 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L363" class="LineNr">363 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L364" class="LineNr">364 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L365" class="LineNr">365 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span> -<span id="L366" class="LineNr">366 </span> <span class="subxS1Comment"># . var ed/EAX : exit-descriptor</span> -<span id="L367" class="LineNr">367 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L368" class="LineNr">368 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> -<span id="L369" class="LineNr">369 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span> -<span id="L370" class="LineNr">370 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L371" class="LineNr">371 </span> 68/push 0x10/imm32/nbytes-of-args-for-get-num -<span id="L372" class="LineNr">372 </span> 50/push-EAX/ed -<span id="L373" class="LineNr">373 </span> <span class="subxS2Comment"># . . call</span> -<span id="L374" class="LineNr">374 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L375" class="LineNr">375 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L376" class="LineNr">376 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L377" class="LineNr">377 </span> <span class="subxComment"># prime the pump</span> -<span id="L378" class="LineNr">378 </span> <span class="subxS1Comment"># . get-char(_test-buffered-file)</span> -<span id="L379" class="LineNr">379 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L380" class="LineNr">380 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L381" class="LineNr">381 </span> <span class="subxS2Comment"># . . call</span> -<span id="L382" class="LineNr">382 </span> e8/call <a href='crenshaw2-1b.subx.html#L730'>get-char</a>/disp32 -<span id="L383" class="LineNr">383 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L384" class="LineNr">384 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L385" class="LineNr">385 </span> <span class="subxComment"># get-num(in, out, err, ed)</span> -<span id="L386" class="LineNr">386 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L387" class="LineNr">387 </span> 50/push-EAX/ed -<span id="L388" class="LineNr">388 </span> 68/push <a href='crenshaw2-1b.subx.html#L787'>_test-error-stream</a>/imm32 -<span id="L389" class="LineNr">389 </span> 68/push <a href='crenshaw2-1b.subx.html#L777'>_test-output-stream</a>/imm32 -<span id="L390" class="LineNr">390 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L391" class="LineNr">391 </span> <span class="subxS2Comment"># . . call</span> -<span id="L392" class="LineNr">392 </span> e8/call <a href='crenshaw2-1b.subx.html#L201'>get-num</a>/disp32 -<span id="L393" class="LineNr">393 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L394" class="LineNr">394 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L395" class="LineNr">395 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L396" class="LineNr">396 </span> <span class="subxComment"># check-ints-equal(*_test-output-stream->data, '3', msg)</span> -<span id="L397" class="LineNr">397 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L398" class="LineNr">398 </span> 68/push <span class="Constant">"F - test-get-num-reads-single-digit"</span>/imm32 -<span id="L399" class="LineNr">399 </span> 68/push 0x33/imm32 -<span id="L400" class="LineNr">400 </span> b8/copy-to-EAX <a href='crenshaw2-1b.subx.html#L777'>_test-output-stream</a>/imm32 -<span id="L401" class="LineNr">401 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L402" class="LineNr">402 </span> <span class="subxS2Comment"># . . call</span> -<span id="L403" class="LineNr">403 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L404" class="LineNr">404 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L405" class="LineNr">405 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L406" class="LineNr">406 </span> <span class="subxS1Comment"># . reclaim locals</span> -<span id="L407" class="LineNr">407 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L408" class="LineNr">408 </span> 5d/pop-to-EBP -<span id="L409" class="LineNr">409 </span> c3/return -<span id="L410" class="LineNr">410 </span> -<span id="L411" class="LineNr">411 </span><span class="subxTest">test-get-num-aborts-on-non-digit-in-Look</span>: -<span id="L412" class="LineNr">412 </span> <span class="subxH1Comment"># - check that get-num returns first character if it's a digit</span> -<span id="L413" class="LineNr">413 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L414" class="LineNr">414 </span> 55/push-EBP -<span id="L415" class="LineNr">415 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L416" class="LineNr">416 </span> <span class="subxComment"># clear all streams</span> -<span id="L417" class="LineNr">417 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L418" class="LineNr">418 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L419" class="LineNr">419 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L420" class="LineNr">420 </span> <span class="subxS2Comment"># . . call</span> -<span id="L421" class="LineNr">421 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L422" class="LineNr">422 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L423" class="LineNr">423 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L424" class="LineNr">424 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L425" class="LineNr">425 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L426" class="LineNr">426 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L427" class="LineNr">427 </span> 05/add-to-EAX 4/imm32 -<span id="L428" class="LineNr">428 </span> 50/push-EAX -<span id="L429" class="LineNr">429 </span> <span class="subxS2Comment"># . . call</span> -<span id="L430" class="LineNr">430 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L431" class="LineNr">431 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L432" class="LineNr">432 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L433" class="LineNr">433 </span> <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span> -<span id="L434" class="LineNr">434 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L435" class="LineNr">435 </span> 68/push <a href='crenshaw2-1b.subx.html#L777'>_test-output-stream</a>/imm32 -<span id="L436" class="LineNr">436 </span> <span class="subxS2Comment"># . . call</span> -<span id="L437" class="LineNr">437 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L438" class="LineNr">438 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L439" class="LineNr">439 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L440" class="LineNr">440 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L441" class="LineNr">441 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L442" class="LineNr">442 </span> 68/push <a href='crenshaw2-1b.subx.html#L787'>_test-error-stream</a>/imm32 -<span id="L443" class="LineNr">443 </span> <span class="subxS2Comment"># . . call</span> -<span id="L444" class="LineNr">444 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L445" class="LineNr">445 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L446" class="LineNr">446 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L447" class="LineNr">447 </span> <span class="subxComment"># initialize 'in'</span> -<span id="L448" class="LineNr">448 </span> <span class="subxS1Comment"># . write(_test-stream, "3")</span> -<span id="L449" class="LineNr">449 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L450" class="LineNr">450 </span> 68/push <span class="Constant">"3"</span>/imm32 -<span id="L451" class="LineNr">451 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L452" class="LineNr">452 </span> <span class="subxS2Comment"># . . call</span> -<span id="L453" class="LineNr">453 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L454" class="LineNr">454 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L455" class="LineNr">455 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L456" class="LineNr">456 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span> -<span id="L457" class="LineNr">457 </span> <span class="subxS1Comment"># . var ed/EAX : (address exit-descriptor)</span> -<span id="L458" class="LineNr">458 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L459" class="LineNr">459 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> -<span id="L460" class="LineNr">460 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span> -<span id="L461" class="LineNr">461 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L462" class="LineNr">462 </span> 68/push 0x10/imm32/nbytes-of-args-for-get-num -<span id="L463" class="LineNr">463 </span> 50/push-EAX/ed -<span id="L464" class="LineNr">464 </span> <span class="subxS2Comment"># . . call</span> -<span id="L465" class="LineNr">465 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L466" class="LineNr">466 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L467" class="LineNr">467 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L468" class="LineNr">468 </span> <span class="subxComment"># *don't* prime the pump</span> -<span id="L469" class="LineNr">469 </span> <span class="subxComment"># get-num(in, out, err, ed)</span> -<span id="L470" class="LineNr">470 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L471" class="LineNr">471 </span> 50/push-EAX/ed -<span id="L472" class="LineNr">472 </span> 68/push <a href='crenshaw2-1b.subx.html#L787'>_test-error-stream</a>/imm32 -<span id="L473" class="LineNr">473 </span> 68/push <a href='crenshaw2-1b.subx.html#L777'>_test-output-stream</a>/imm32 -<span id="L474" class="LineNr">474 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L475" class="LineNr">475 </span> <span class="subxS2Comment"># . . call</span> -<span id="L476" class="LineNr">476 </span> e8/call <a href='crenshaw2-1b.subx.html#L201'>get-num</a>/disp32 -<span id="L477" class="LineNr">477 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L478" class="LineNr">478 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L479" class="LineNr">479 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L480" class="LineNr">480 </span> <span class="subxComment"># check that get-num tried to call exit(1)</span> -<span id="L481" class="LineNr">481 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 2, msg) # i.e. stop was called with value 1</span> -<span id="L482" class="LineNr">482 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L483" class="LineNr">483 </span> 68/push <span class="Constant">"F - test-get-num-aborts-on-non-digit-in-Look"</span>/imm32 -<span id="L484" class="LineNr">484 </span> 68/push 2/imm32 -<span id="L485" class="LineNr">485 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L486" class="LineNr">486 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L487" class="LineNr">487 </span> <span class="subxS2Comment"># . . call</span> -<span id="L488" class="LineNr">488 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L489" class="LineNr">489 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L490" class="LineNr">490 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L491" class="LineNr">491 </span> <span class="subxS1Comment"># . reclaim locals</span> -<span id="L492" class="LineNr">492 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L493" class="LineNr">493 </span> 5d/pop-to-EBP -<span id="L494" class="LineNr">494 </span> c3/return -<span id="L495" class="LineNr">495 </span> -<span id="L496" class="LineNr">496 </span><span class="subxTest">test-get-num-reads-multiple-digits</span>: -<span id="L497" class="LineNr">497 </span> <span class="subxH1Comment"># - check that get-num returns all initial digits until it encounters a non-digit</span> -<span id="L498" class="LineNr">498 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L499" class="LineNr">499 </span> 55/push-EBP -<span id="L500" class="LineNr">500 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L501" class="LineNr">501 </span> <span class="subxComment"># clear all streams</span> -<span id="L502" class="LineNr">502 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L503" class="LineNr">503 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L504" class="LineNr">504 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L505" class="LineNr">505 </span> <span class="subxS2Comment"># . . call</span> -<span id="L506" class="LineNr">506 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L507" class="LineNr">507 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L508" class="LineNr">508 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L509" class="LineNr">509 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L510" class="LineNr">510 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L511" class="LineNr">511 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L512" class="LineNr">512 </span> 05/add-to-EAX 4/imm32 -<span id="L513" class="LineNr">513 </span> 50/push-EAX -<span id="L514" class="LineNr">514 </span> <span class="subxS2Comment"># . . call</span> -<span id="L515" class="LineNr">515 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L516" class="LineNr">516 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L517" class="LineNr">517 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L518" class="LineNr">518 </span> <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span> -<span id="L519" class="LineNr">519 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L520" class="LineNr">520 </span> 68/push <a href='crenshaw2-1b.subx.html#L777'>_test-output-stream</a>/imm32 -<span id="L521" class="LineNr">521 </span> <span class="subxS2Comment"># . . call</span> -<span id="L522" class="LineNr">522 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L523" class="LineNr">523 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L524" class="LineNr">524 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L525" class="LineNr">525 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L526" class="LineNr">526 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L527" class="LineNr">527 </span> 68/push <a href='crenshaw2-1b.subx.html#L787'>_test-error-stream</a>/imm32 -<span id="L528" class="LineNr">528 </span> <span class="subxS2Comment"># . . call</span> -<span id="L529" class="LineNr">529 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L530" class="LineNr">530 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L531" class="LineNr">531 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L532" class="LineNr">532 </span> <span class="subxComment"># initialize 'in'</span> -<span id="L533" class="LineNr">533 </span> <span class="subxS1Comment"># . write(_test-stream, "3456 x")</span> -<span id="L534" class="LineNr">534 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L535" class="LineNr">535 </span> 68/push <span class="Constant">"3456"</span>/imm32 -<span id="L536" class="LineNr">536 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L537" class="LineNr">537 </span> <span class="subxS2Comment"># . . call</span> -<span id="L538" class="LineNr">538 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L539" class="LineNr">539 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L540" class="LineNr">540 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L541" class="LineNr">541 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span> -<span id="L542" class="LineNr">542 </span> <span class="subxS1Comment"># . var ed/EAX : (address exit-descriptor)</span> -<span id="L543" class="LineNr">543 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L544" class="LineNr">544 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> -<span id="L545" class="LineNr">545 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span> -<span id="L546" class="LineNr">546 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L547" class="LineNr">547 </span> 68/push 0x10/imm32/nbytes-of-args-for-get-num -<span id="L548" class="LineNr">548 </span> 50/push-EAX/ed -<span id="L549" class="LineNr">549 </span> <span class="subxS2Comment"># . . call</span> -<span id="L550" class="LineNr">550 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L551" class="LineNr">551 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L552" class="LineNr">552 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L553" class="LineNr">553 </span> <span class="subxComment"># prime the pump</span> -<span id="L554" class="LineNr">554 </span> <span class="subxS1Comment"># . get-char(_test-buffered-file)</span> -<span id="L555" class="LineNr">555 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L556" class="LineNr">556 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L557" class="LineNr">557 </span> <span class="subxS2Comment"># . . call</span> -<span id="L558" class="LineNr">558 </span> e8/call <a href='crenshaw2-1b.subx.html#L730'>get-char</a>/disp32 -<span id="L559" class="LineNr">559 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L560" class="LineNr">560 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L561" class="LineNr">561 </span> <span class="subxComment"># get-num(in, out, err, ed)</span> -<span id="L562" class="LineNr">562 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L563" class="LineNr">563 </span> 50/push-EAX/ed -<span id="L564" class="LineNr">564 </span> 68/push <a href='crenshaw2-1b.subx.html#L787'>_test-error-stream</a>/imm32 -<span id="L565" class="LineNr">565 </span> 68/push <a href='crenshaw2-1b.subx.html#L777'>_test-output-stream</a>/imm32 -<span id="L566" class="LineNr">566 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L567" class="LineNr">567 </span> <span class="subxS2Comment"># . . call</span> -<span id="L568" class="LineNr">568 </span> e8/call <a href='crenshaw2-1b.subx.html#L201'>get-num</a>/disp32 -<span id="L569" class="LineNr">569 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L570" class="LineNr">570 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L571" class="LineNr">571 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L572" class="LineNr">572 </span> <span class="subxComment"># check-ints-equal(*_test-output-stream->data, '3456', msg)</span> -<span id="L573" class="LineNr">573 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L574" class="LineNr">574 </span> 68/push <span class="Constant">"F - test-get-num-reads-multiple-digits"</span>/imm32 -<span id="L575" class="LineNr">575 </span> 68/push 0x36353433/imm32 -<span id="L576" class="LineNr">576 </span> b8/copy-to-EAX <a href='crenshaw2-1b.subx.html#L777'>_test-output-stream</a>/imm32 -<span id="L577" class="LineNr">577 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L578" class="LineNr">578 </span> <span class="subxS2Comment"># . . call</span> -<span id="L579" class="LineNr">579 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L580" class="LineNr">580 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L581" class="LineNr">581 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L582" class="LineNr">582 </span> <span class="subxS1Comment"># . reclaim locals</span> -<span id="L583" class="LineNr">583 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L584" class="LineNr">584 </span> 5d/pop-to-EBP -<span id="L585" class="LineNr">585 </span> c3/return -<span id="L586" class="LineNr">586 </span> -<span id="L587" class="LineNr">587 </span><span class="subxTest">test-get-num-reads-multiple-digits-followed-by-nondigit</span>: -<span id="L588" class="LineNr">588 </span> <span class="subxH1Comment"># - check that get-num returns all initial digits until it encounters a non-digit</span> -<span id="L589" class="LineNr">589 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L590" class="LineNr">590 </span> 55/push-EBP -<span id="L591" class="LineNr">591 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L592" class="LineNr">592 </span> <span class="subxComment"># clear all streams</span> -<span id="L593" class="LineNr">593 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L594" class="LineNr">594 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L595" class="LineNr">595 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L596" class="LineNr">596 </span> <span class="subxS2Comment"># . . call</span> -<span id="L597" class="LineNr">597 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L598" class="LineNr">598 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L599" class="LineNr">599 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L600" class="LineNr">600 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L601" class="LineNr">601 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L602" class="LineNr">602 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L603" class="LineNr">603 </span> 05/add-to-EAX 4/imm32 -<span id="L604" class="LineNr">604 </span> 50/push-EAX -<span id="L605" class="LineNr">605 </span> <span class="subxS2Comment"># . . call</span> -<span id="L606" class="LineNr">606 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L607" class="LineNr">607 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L608" class="LineNr">608 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L609" class="LineNr">609 </span> <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span> -<span id="L610" class="LineNr">610 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L611" class="LineNr">611 </span> 68/push <a href='crenshaw2-1b.subx.html#L777'>_test-output-stream</a>/imm32 -<span id="L612" class="LineNr">612 </span> <span class="subxS2Comment"># . . call</span> -<span id="L613" class="LineNr">613 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L614" class="LineNr">614 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L615" class="LineNr">615 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L616" class="LineNr">616 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L617" class="LineNr">617 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L618" class="LineNr">618 </span> 68/push <a href='crenshaw2-1b.subx.html#L787'>_test-error-stream</a>/imm32 -<span id="L619" class="LineNr">619 </span> <span class="subxS2Comment"># . . call</span> -<span id="L620" class="LineNr">620 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L621" class="LineNr">621 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L622" class="LineNr">622 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L623" class="LineNr">623 </span> <span class="subxComment"># initialize 'in'</span> -<span id="L624" class="LineNr">624 </span> <span class="subxS1Comment"># . write(_test-stream, "3456 x")</span> -<span id="L625" class="LineNr">625 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L626" class="LineNr">626 </span> 68/push <span class="Constant">"3456 x"</span>/imm32 -<span id="L627" class="LineNr">627 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L628" class="LineNr">628 </span> <span class="subxS2Comment"># . . call</span> -<span id="L629" class="LineNr">629 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L630" class="LineNr">630 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L631" class="LineNr">631 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L632" class="LineNr">632 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span> -<span id="L633" class="LineNr">633 </span> <span class="subxS1Comment"># . var ed/EAX : (address exit-descriptor)</span> -<span id="L634" class="LineNr">634 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L635" class="LineNr">635 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> -<span id="L636" class="LineNr">636 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span> -<span id="L637" class="LineNr">637 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L638" class="LineNr">638 </span> 68/push 0x10/imm32/nbytes-of-args-for-get-num -<span id="L639" class="LineNr">639 </span> 50/push-EAX/ed -<span id="L640" class="LineNr">640 </span> <span class="subxS2Comment"># . . call</span> -<span id="L641" class="LineNr">641 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L642" class="LineNr">642 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L643" class="LineNr">643 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L644" class="LineNr">644 </span> <span class="subxComment"># prime the pump</span> -<span id="L645" class="LineNr">645 </span> <span class="subxS1Comment"># . get-char(_test-buffered-file)</span> -<span id="L646" class="LineNr">646 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L647" class="LineNr">647 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L648" class="LineNr">648 </span> <span class="subxS2Comment"># . . call</span> -<span id="L649" class="LineNr">649 </span> e8/call <a href='crenshaw2-1b.subx.html#L730'>get-char</a>/disp32 -<span id="L650" class="LineNr">650 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L651" class="LineNr">651 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L652" class="LineNr">652 </span> <span class="subxComment"># get-num(in, out, err, ed)</span> -<span id="L653" class="LineNr">653 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L654" class="LineNr">654 </span> 50/push-EAX/ed -<span id="L655" class="LineNr">655 </span> 68/push <a href='crenshaw2-1b.subx.html#L787'>_test-error-stream</a>/imm32 -<span id="L656" class="LineNr">656 </span> 68/push <a href='crenshaw2-1b.subx.html#L777'>_test-output-stream</a>/imm32 -<span id="L657" class="LineNr">657 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L658" class="LineNr">658 </span> <span class="subxS2Comment"># . . call</span> -<span id="L659" class="LineNr">659 </span> e8/call <a href='crenshaw2-1b.subx.html#L201'>get-num</a>/disp32 -<span id="L660" class="LineNr">660 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L661" class="LineNr">661 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L662" class="LineNr">662 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L663" class="LineNr">663 </span> <span class="subxComment"># check-ints-equal(*_test-output-stream->data, '3456', msg)</span> -<span id="L664" class="LineNr">664 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L665" class="LineNr">665 </span> 68/push <span class="Constant">"F - test-get-num-reads-multiple-digits-followed-by-nondigit"</span>/imm32 -<span id="L666" class="LineNr">666 </span> 68/push 0x36353433/imm32 -<span id="L667" class="LineNr">667 </span> b8/copy-to-EAX <a href='crenshaw2-1b.subx.html#L777'>_test-output-stream</a>/imm32 -<span id="L668" class="LineNr">668 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L669" class="LineNr">669 </span> <span class="subxS2Comment"># . . call</span> -<span id="L670" class="LineNr">670 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L671" class="LineNr">671 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L672" class="LineNr">672 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L673" class="LineNr">673 </span> <span class="subxS1Comment"># . reclaim locals</span> -<span id="L674" class="LineNr">674 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L675" class="LineNr">675 </span> 5d/pop-to-EBP -<span id="L676" class="LineNr">676 </span> c3/return -<span id="L677" class="LineNr">677 </span> -<span id="L678" class="LineNr">678 </span><span class="subxComment">## helpers</span> -<span id="L679" class="LineNr">679 </span> -<span id="L680" class="LineNr">680 </span><span class="subxComment"># write(f, "Error: "+s+" expected\n") then stop(ed, 1)</span> -<span id="L681" class="LineNr">681 </span><span class="subxFunction">expected</span>: <span class="subxComment"># ed : (address exit-descriptor), f : fd or (address stream), s : (address array byte) -> <void></span> -<span id="L682" class="LineNr">682 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L683" class="LineNr">683 </span> 55/push-EBP -<span id="L684" class="LineNr">684 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L685" class="LineNr">685 </span> <span class="subxComment"># write(f, "Error: ")</span> -<span id="L686" class="LineNr">686 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L687" class="LineNr">687 </span> 68/push <span class="Constant">"Error: "</span>/imm32 -<span id="L688" class="LineNr">688 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L689" class="LineNr">689 </span> <span class="subxS2Comment"># . . call</span> -<span id="L690" class="LineNr">690 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L691" class="LineNr">691 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L692" class="LineNr">692 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L693" class="LineNr">693 </span> <span class="subxComment"># write(f, s)</span> -<span id="L694" class="LineNr">694 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L695" class="LineNr">695 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L696" class="LineNr">696 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L697" class="LineNr">697 </span> <span class="subxS2Comment"># . . call</span> -<span id="L698" class="LineNr">698 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L699" class="LineNr">699 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L700" class="LineNr">700 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L701" class="LineNr">701 </span> <span class="subxComment"># write(f, " expected")</span> -<span id="L702" class="LineNr">702 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L703" class="LineNr">703 </span> 68/push <span class="Constant">" expected"</span>/imm32 -<span id="L704" class="LineNr">704 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L705" class="LineNr">705 </span> <span class="subxS2Comment"># . . call</span> -<span id="L706" class="LineNr">706 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L707" class="LineNr">707 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L708" class="LineNr">708 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L709" class="LineNr">709 </span> <span class="subxComment"># write(f, Newline)</span> -<span id="L710" class="LineNr">710 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L711" class="LineNr">711 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L712" class="LineNr">712 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L713" class="LineNr">713 </span> <span class="subxS2Comment"># . . call</span> -<span id="L714" class="LineNr">714 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L715" class="LineNr">715 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L716" class="LineNr">716 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L717" class="LineNr">717 </span> <span class="subxComment"># stop(ed, 1)</span> -<span id="L718" class="LineNr">718 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L719" class="LineNr">719 </span> 68/push 1/imm32 -<span id="L720" class="LineNr">720 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L721" class="LineNr">721 </span> <span class="subxS2Comment"># . . call</span> -<span id="L722" class="LineNr">722 </span> e8/call <a href='../059stop.subx.html#L99'>stop</a>/disp32 -<span id="L723" class="LineNr">723 </span> <span class="subxComment"># should never get past this point</span> -<span id="L724" class="LineNr">724 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L725" class="LineNr">725 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L726" class="LineNr">726 </span> 5d/pop-to-EBP -<span id="L727" class="LineNr">727 </span> c3/return -<span id="L728" class="LineNr">728 </span> -<span id="L729" class="LineNr">729 </span><span class="subxComment"># read a byte from 'f', and save it in 'Look'</span> -<span id="L730" class="LineNr">730 </span><span class="subxFunction">get-char</span>: <span class="subxComment"># f : (address buffered-file) -> <void></span> -<span id="L731" class="LineNr">731 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L732" class="LineNr">732 </span> 55/push-EBP -<span id="L733" class="LineNr">733 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L734" class="LineNr">734 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L735" class="LineNr">735 </span> 50/push-EAX -<span id="L736" class="LineNr">736 </span> <span class="subxComment"># read-byte(f)</span> -<span id="L737" class="LineNr">737 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L738" class="LineNr">738 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L739" class="LineNr">739 </span> <span class="subxS2Comment"># . . call</span> -<span id="L740" class="LineNr">740 </span> e8/call <a href='../061read-byte.subx.html#L45'>read-byte</a>/disp32 -<span id="L741" class="LineNr">741 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L742" class="LineNr">742 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L743" class="LineNr">743 </span> <span class="subxComment"># save EAX to Look</span> -<span id="L744" class="LineNr">744 </span> 89/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="SpecialChar"><a href='crenshaw2-1b.subx.html#L774'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *Look</span> -<span id="L745" class="LineNr">745 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L746" class="LineNr">746 </span> 58/pop-to-EAX -<span id="L747" class="LineNr">747 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L748" class="LineNr">748 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L749" class="LineNr">749 </span> 5d/pop-to-EBP -<span id="L750" class="LineNr">750 </span> c3/return -<span id="L751" class="LineNr">751 </span> -<span id="L752" class="LineNr">752 </span><span class="subxFunction">is-digit?</span>: <span class="subxComment"># c : int -> EAX : boolean</span> -<span id="L753" class="LineNr">753 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L754" class="LineNr">754 </span> 55/push-EBP -<span id="L755" class="LineNr">755 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L756" class="LineNr">756 </span> <span class="subxComment"># EAX = false</span> -<span id="L757" class="LineNr">757 </span> b8/copy-to-EAX 0/imm32 -<span id="L758" class="LineNr">758 </span> <span class="subxComment"># if (c < '0') return false</span> -<span id="L759" class="LineNr">759 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x30/imm32 <span class="subxComment"># compare *(EBP+8)</span> -<span id="L760" class="LineNr">760 </span> 7c/jump-if-lesser $is-digit?:end/disp8 -<span id="L761" class="LineNr">761 </span> <span class="subxComment"># if (c > '9') return false</span> -<span id="L762" class="LineNr">762 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x39/imm32 <span class="subxComment"># compare *(EBP+8)</span> -<span id="L763" class="LineNr">763 </span> 7f/jump-if-greater $is-digit?:end/disp8 -<span id="L764" class="LineNr">764 </span> <span class="subxComment"># otherwise return true</span> -<span id="L765" class="LineNr">765 </span> b8/copy-to-EAX 1/imm32 -<span id="L766" class="LineNr">766 </span><span class="Constant">$is-digit?:end</span>: -<span id="L767" class="LineNr">767 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L768" class="LineNr">768 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L769" class="LineNr">769 </span> 5d/pop-to-EBP -<span id="L770" class="LineNr">770 </span> c3/return -<span id="L771" class="LineNr">771 </span> -<span id="L772" class="LineNr">772 </span>== data -<span id="L773" class="LineNr">773 </span> -<span id="L774" class="LineNr">774 </span><span class="SpecialChar">Look</span>: <span class="subxComment"># (char)</span> -<span id="L775" class="LineNr">775 </span> 00 00 00 00 <span class="subxComment"># = 0</span> -<span id="L776" class="LineNr">776 </span> -<span id="L777" class="LineNr">777 </span><span class="subxMinorFunction">_test-output-stream</span>: -<span id="L778" class="LineNr">778 </span> <span class="subxComment"># current write index</span> -<span id="L779" class="LineNr">779 </span> 00 00 00 00 -<span id="L780" class="LineNr">780 </span> <span class="subxComment"># current read index</span> -<span id="L781" class="LineNr">781 </span> 00 00 00 00 -<span id="L782" class="LineNr">782 </span> <span class="subxComment"># length (= 8)</span> -<span id="L783" class="LineNr">783 </span> 08 00 00 00 -<span id="L784" class="LineNr">784 </span> <span class="subxComment"># data</span> -<span id="L785" class="LineNr">785 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> -<span id="L786" class="LineNr">786 </span> -<span id="L787" class="LineNr">787 </span><span class="subxMinorFunction">_test-error-stream</span>: -<span id="L788" class="LineNr">788 </span> <span class="subxComment"># current write index</span> -<span id="L789" class="LineNr">789 </span> 00 00 00 00 -<span id="L790" class="LineNr">790 </span> <span class="subxComment"># current read index</span> -<span id="L791" class="LineNr">791 </span> 00 00 00 00 -<span id="L792" class="LineNr">792 </span> <span class="subxComment"># length (= 8)</span> -<span id="L793" class="LineNr">793 </span> 08 00 00 00 -<span id="L794" class="LineNr">794 </span> <span class="subxComment"># data</span> -<span id="L795" class="LineNr">795 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> -<span id="L796" class="LineNr">796 </span> -<span id="L797" class="LineNr">797 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L33" class="LineNr"> 33 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># run tests if necessary, call 'compile' if not</span> +<span id="L34" class="LineNr"> 34 </span> +<span id="L35" class="LineNr"> 35 </span><span class="CommentedCode">#? # for debugging: run a single test; don't bother setting status code</span> +<span id="L36" class="LineNr"> 36 </span><span class="CommentedCode">#? e8/call test-get-num-reads-single-digit/disp32</span> +<span id="L37" class="LineNr"> 37 </span><span class="CommentedCode">#? eb/jump $main:end/disp8</span> +<span id="L38" class="LineNr"> 38 </span> +<span id="L39" class="LineNr"> 39 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L40" class="LineNr"> 40 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxH1Comment"># - if argc > 1 and argv[1] == "test", then return run_tests()</span> +<span id="L42" class="LineNr"> 42 </span> <span class="subxS1Comment"># . argc > 1</span> +<span id="L43" class="LineNr"> 43 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/disp8 1/imm32 <span class="subxComment"># compare *EBP</span> +<span id="L44" class="LineNr"> 44 </span> 7e/jump-if-lesser-or-equal $run-main/disp8 +<span id="L45" class="LineNr"> 45 </span> <span class="subxS1Comment"># . argv[1] == "test"</span> +<span id="L46" class="LineNr"> 46 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L47" class="LineNr"> 47 </span> 68/push <span class="Constant">"test"</span>/imm32 +<span id="L48" class="LineNr"> 48 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L49" class="LineNr"> 49 </span> <span class="subxS2Comment"># . . call</span> +<span id="L50" class="LineNr"> 50 </span> e8/call <a href='../052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 +<span id="L51" class="LineNr"> 51 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L52" class="LineNr"> 52 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L53" class="LineNr"> 53 </span> <span class="subxS1Comment"># . check result</span> +<span id="L54" class="LineNr"> 54 </span> 3d/compare-EAX 1/imm32 +<span id="L55" class="LineNr"> 55 </span> 75/jump-if-not-equal $run-main/disp8 +<span id="L56" class="LineNr"> 56 </span> <span class="subxS1Comment"># . run-tests()</span> +<span id="L57" class="LineNr"> 57 </span> e8/call run-tests/disp32 +<span id="L58" class="LineNr"> 58 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='../051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> +<span id="L59" class="LineNr"> 59 </span> eb/jump $main:end/disp8 +<span id="L60" class="LineNr"> 60 </span><span class="Constant">$run-main</span>: +<span id="L61" class="LineNr"> 61 </span> <span class="subxH1Comment"># - otherwise read a program from stdin and emit its translation to stdout</span> +<span id="L62" class="LineNr"> 62 </span> <span class="subxComment"># var ed/EAX : exit-descriptor</span> +<span id="L63" class="LineNr"> 63 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L64" class="LineNr"> 64 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> +<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># configure ed to really exit()</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxS1Comment"># . ed->target = 0</span> +<span id="L67" class="LineNr"> 67 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> +<span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># return compile(Stdin, 1/stdout, 2/stderr, ed)</span> +<span id="L69" class="LineNr"> 69 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L70" class="LineNr"> 70 </span> 50/push-EAX/ed +<span id="L71" class="LineNr"> 71 </span> 68/push 2/imm32/stderr +<span id="L72" class="LineNr"> 72 </span> 68/push 1/imm32/stdout +<span id="L73" class="LineNr"> 73 </span> 68/push <span class="SpecialChar"><a href='../061read-byte.subx.html#L14'>Stdin</a></span>/imm32 +<span id="L74" class="LineNr"> 74 </span> <span class="subxS2Comment"># . . call</span> +<span id="L75" class="LineNr"> 75 </span> e8/call <a href='crenshaw2-1b.subx.html#L85'>compile</a>/disp32 +<span id="L76" class="LineNr"> 76 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L77" class="LineNr"> 77 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L78" class="LineNr"> 78 </span> <span class="subxS1Comment"># . syscall(exit, 0)</span> +<span id="L79" class="LineNr"> 79 </span> bb/copy-to-EBX 0/imm32 +<span id="L80" class="LineNr"> 80 </span><span class="Constant">$main:end</span>: +<span id="L81" class="LineNr"> 81 </span> b8/copy-to-EAX 1/imm32/exit +<span id="L82" class="LineNr"> 82 </span> cd/syscall 0x80/imm8 +<span id="L83" class="LineNr"> 83 </span> +<span id="L84" class="LineNr"> 84 </span><span class="subxComment"># the main entry point</span> +<span id="L85" class="LineNr"> 85 </span><span class="subxFunction">compile</span>: <span class="subxComment"># in : (address buffered-file), out : fd or (address stream), err : fd or (address stream), ed : (address exit-descriptor) -> <void></span> +<span id="L86" class="LineNr"> 86 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L87" class="LineNr"> 87 </span> 55/push-EBP +<span id="L88" class="LineNr"> 88 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L89" class="LineNr"> 89 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L90" class="LineNr"> 90 </span> 50/push-EAX +<span id="L91" class="LineNr"> 91 </span> 51/push-ECX +<span id="L92" class="LineNr"> 92 </span> <span class="subxComment"># prime the pump</span> +<span id="L93" class="LineNr"> 93 </span> <span class="subxS1Comment"># . Look = get-char(in)</span> +<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L95" class="LineNr"> 95 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L96" class="LineNr"> 96 </span> <span class="subxS2Comment"># . . call</span> +<span id="L97" class="LineNr"> 97 </span> e8/call <a href='crenshaw2-1b.subx.html#L731'>get-char</a>/disp32 +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L99" class="LineNr"> 99 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L100" class="LineNr">100 </span> <span class="subxComment"># var num/ECX : (address stream) on the stack</span> +<span id="L101" class="LineNr">101 </span> <span class="subxComment"># Numbers can be 32 bits or 8 hex bytes long. One of them will be in 'Look', so we need space for 7 bytes.</span> +<span id="L102" class="LineNr">102 </span> <span class="subxComment"># Sizing the stream just right buys us overflow-handling for free inside 'get-num'.</span> +<span id="L103" class="LineNr">103 </span> <span class="subxComment"># Add 12 bytes for 'read', 'write' and 'length' fields, for a total of 19 bytes, or 0x13 in hex.</span> +<span id="L104" class="LineNr">104 </span> <span class="subxComment"># The stack pointer is no longer aligned, so dump_stack() can be misleading past this point.</span> +<span id="L105" class="LineNr">105 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x13/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L106" class="LineNr">106 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L107" class="LineNr">107 </span> <span class="subxComment"># initialize the stream</span> +<span id="L108" class="LineNr">108 </span> <span class="subxS1Comment"># . num->length = 7</span> +<span id="L109" class="LineNr">109 </span> c7 0/subop/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 7/imm32 <span class="subxComment"># copy to *(ECX+8)</span> +<span id="L110" class="LineNr">110 </span> <span class="subxS1Comment"># . clear-stream(num)</span> +<span id="L111" class="LineNr">111 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L112" class="LineNr">112 </span> 51/push-ECX +<span id="L113" class="LineNr">113 </span> <span class="subxS2Comment"># . . call</span> +<span id="L114" class="LineNr">114 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L115" class="LineNr">115 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L116" class="LineNr">116 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L117" class="LineNr">117 </span> <span class="subxComment"># read a digit from 'in' into 'num'</span> +<span id="L118" class="LineNr">118 </span> <span class="subxS1Comment"># . get-num(in, num, err, ed)</span> +<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L120" class="LineNr">120 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> +<span id="L121" class="LineNr">121 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L122" class="LineNr">122 </span> 51/push-ECX/num +<span id="L123" class="LineNr">123 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . call</span> +<span id="L125" class="LineNr">125 </span> e8/call <a href='crenshaw2-1b.subx.html#L202'>get-num</a>/disp32 +<span id="L126" class="LineNr">126 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L127" class="LineNr">127 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L128" class="LineNr">128 </span> <span class="subxComment"># render 'num' into the following template on 'out':</span> +<span id="L129" class="LineNr">129 </span> <span class="subxComment"># bb/copy-to-EBX _num_</span> +<span id="L130" class="LineNr">130 </span> <span class="subxComment"># b8/copy-to-EAX 1/imm32/exit</span> +<span id="L131" class="LineNr">131 </span> <span class="subxComment"># cd/syscall 0x80/imm8</span> +<span id="L132" class="LineNr">132 </span> <span class="subxComment">#</span> +<span id="L133" class="LineNr">133 </span> <span class="subxS1Comment"># . write(out, "bb/copy-to-EBX ")</span> +<span id="L134" class="LineNr">134 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L135" class="LineNr">135 </span> 68/push <span class="Constant">"bb/copy-to-EBX "</span>/imm32 +<span id="L136" class="LineNr">136 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . call</span> +<span id="L138" class="LineNr">138 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L140" class="LineNr">140 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L141" class="LineNr">141 </span> <span class="subxS1Comment"># . write-stream(out, num)</span> +<span id="L142" class="LineNr">142 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L143" class="LineNr">143 </span> 51/push-ECX/num +<span id="L144" class="LineNr">144 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L145" class="LineNr">145 </span> <span class="subxS2Comment"># . . call</span> +<span id="L146" class="LineNr">146 </span> e8/call <a href='../062write-stream.subx.html#L18'>write-stream</a>/disp32 +<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L148" class="LineNr">148 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L149" class="LineNr">149 </span> <span class="subxS1Comment"># . write(out, Newline)</span> +<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L151" class="LineNr">151 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L152" class="LineNr">152 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L153" class="LineNr">153 </span> <span class="subxS2Comment"># . . call</span> +<span id="L154" class="LineNr">154 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L155" class="LineNr">155 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L156" class="LineNr">156 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L157" class="LineNr">157 </span> <span class="subxS1Comment"># . write(out, "b8/copy-to-EAX 1/imm32/exit")</span> +<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L159" class="LineNr">159 </span> 68/push <span class="Constant">"b8/copy-to-EAX 1/imm32/exit"</span>/imm32 +<span id="L160" class="LineNr">160 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L161" class="LineNr">161 </span> <span class="subxS2Comment"># . . call</span> +<span id="L162" class="LineNr">162 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L163" class="LineNr">163 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L164" class="LineNr">164 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L165" class="LineNr">165 </span> <span class="subxS1Comment"># . write(out, Newline)</span> +<span id="L166" class="LineNr">166 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L167" class="LineNr">167 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L168" class="LineNr">168 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L169" class="LineNr">169 </span> <span class="subxS2Comment"># . . call</span> +<span id="L170" class="LineNr">170 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L171" class="LineNr">171 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L172" class="LineNr">172 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L173" class="LineNr">173 </span> <span class="subxS1Comment"># . write(out, "cd/syscall 0x80/imm8")</span> +<span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L175" class="LineNr">175 </span> 68/push <span class="Constant">"cd/syscall 0x80/imm8"</span>/imm32 +<span id="L176" class="LineNr">176 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . call</span> +<span id="L178" class="LineNr">178 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L179" class="LineNr">179 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L180" class="LineNr">180 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L181" class="LineNr">181 </span> <span class="subxS1Comment"># . write(out, Newline)</span> +<span id="L182" class="LineNr">182 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L183" class="LineNr">183 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L184" class="LineNr">184 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . call</span> +<span id="L186" class="LineNr">186 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L188" class="LineNr">188 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L189" class="LineNr">189 </span><span class="Constant">$compile:end</span>: +<span id="L190" class="LineNr">190 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L191" class="LineNr">191 </span> 59/pop-to-ECX +<span id="L192" class="LineNr">192 </span> 58/pop-to-EAX +<span id="L193" class="LineNr">193 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L194" class="LineNr">194 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L195" class="LineNr">195 </span> 5d/pop-to-EBP +<span id="L196" class="LineNr">196 </span> c3/return +<span id="L197" class="LineNr">197 </span> +<span id="L198" class="LineNr">198 </span><span class="subxComment"># Read a sequence of digits into 'out'. Abort if there are none, or if there is</span> +<span id="L199" class="LineNr">199 </span><span class="subxComment"># no space in 'out'.</span> +<span id="L200" class="LineNr">200 </span><span class="subxComment"># Input comes from the global variable 'Look' (first byte) and the argument</span> +<span id="L201" class="LineNr">201 </span><span class="subxComment"># 'in' (rest). We leave the next byte from 'in' into 'Look' on exit.</span> +<span id="L202" class="LineNr">202 </span><span class="subxFunction">get-num</span>: <span class="subxComment"># in : (address buffered-file), out : (address stream), err : fd or (address stream), ed : (address exit-descriptor) -> <void></span> +<span id="L203" class="LineNr">203 </span> <span class="subxComment"># pseudocode:</span> +<span id="L204" class="LineNr">204 </span> <span class="subxComment"># if (!is-digit?(Look)) expected(ed, err, "integer")</span> +<span id="L205" class="LineNr">205 </span> <span class="subxComment"># do</span> +<span id="L206" class="LineNr">206 </span> <span class="subxComment"># if (out->write >= out->length)</span> +<span id="L207" class="LineNr">207 </span> <span class="subxComment"># write(err, "Error: too many digits in number\n")</span> +<span id="L208" class="LineNr">208 </span> <span class="subxComment"># stop(ed, 1)</span> +<span id="L209" class="LineNr">209 </span> <span class="subxComment"># out->data[out->write] = LSB(Look)</span> +<span id="L210" class="LineNr">210 </span> <span class="subxComment"># ++out->write</span> +<span id="L211" class="LineNr">211 </span> <span class="subxComment"># Look = get-char(in)</span> +<span id="L212" class="LineNr">212 </span> <span class="subxComment"># while (is-digit?(Look))</span> +<span id="L213" class="LineNr">213 </span> <span class="subxComment"># This is complicated because I don't want to hard-code the error strategy in</span> +<span id="L214" class="LineNr">214 </span> <span class="subxComment"># a general helper like write-byte. Maybe I should just create a local helper.</span> +<span id="L215" class="LineNr">215 </span> <span class="subxComment">#</span> +<span id="L216" class="LineNr">216 </span> <span class="subxComment"># within the loop we'll try to keep things in registers:</span> +<span id="L217" class="LineNr">217 </span> <span class="subxComment"># in: ESI</span> +<span id="L218" class="LineNr">218 </span> <span class="subxComment"># out: EDI</span> +<span id="L219" class="LineNr">219 </span> <span class="subxComment"># out->write: ECX (cached copy; need to keep in sync)</span> +<span id="L220" class="LineNr">220 </span> <span class="subxComment"># out->length: EDX</span> +<span id="L221" class="LineNr">221 </span> <span class="subxComment"># temporaries: EAX, EBX</span> +<span id="L222" class="LineNr">222 </span> <span class="subxComment"># We can't allocate Look to a register because it gets written implicitly in</span> +<span id="L223" class="LineNr">223 </span> <span class="subxComment"># get-char in each iteration of the loop. (Thereby demonstrating that it's</span> +<span id="L224" class="LineNr">224 </span> <span class="subxComment"># not the right interface for us. But we'll keep it just to follow Crenshaw.)</span> +<span id="L225" class="LineNr">225 </span> <span class="subxComment">#</span> +<span id="L226" class="LineNr">226 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L227" class="LineNr">227 </span> 55/push-EBP +<span id="L228" class="LineNr">228 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L229" class="LineNr">229 </span> <span class="subxH1Comment"># - if (is-digit?(Look)) expected(ed, err, "integer")</span> +<span id="L230" class="LineNr">230 </span> <span class="subxS1Comment"># . EAX = is-digit?(Look)</span> +<span id="L231" class="LineNr">231 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L232" class="LineNr">232 </span> ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='crenshaw2-1b.subx.html#L775'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># push *Look</span> +<span id="L233" class="LineNr">233 </span> <span class="subxS2Comment"># . . call</span> +<span id="L234" class="LineNr">234 </span> e8/call <a href='crenshaw2-1b.subx.html#L753'>is-digit?</a>/disp32 +<span id="L235" class="LineNr">235 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L236" class="LineNr">236 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L237" class="LineNr">237 </span> <span class="subxS1Comment"># . if (EAX == 0)</span> +<span id="L238" class="LineNr">238 </span> 3d/compare-EAX 0/imm32 +<span id="L239" class="LineNr">239 </span> 75/jump-if-not-equal $get-num:main/disp8 +<span id="L240" class="LineNr">240 </span> <span class="subxS1Comment"># . expected(ed, err, "integer")</span> +<span id="L241" class="LineNr">241 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L242" class="LineNr">242 </span> 68/push <span class="Constant">"integer"</span>/imm32 +<span id="L243" class="LineNr">243 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L244" class="LineNr">244 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> +<span id="L245" class="LineNr">245 </span> <span class="subxS2Comment"># . . call</span> +<span id="L246" class="LineNr">246 </span> e8/call <a href='crenshaw2-1b.subx.html#L682'>expected</a>/disp32 <span class="subxComment"># never returns</span> +<span id="L247" class="LineNr">247 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L248" class="LineNr">248 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L249" class="LineNr">249 </span><span class="Constant">$get-num:main</span>: +<span id="L250" class="LineNr">250 </span> <span class="subxH1Comment"># - otherwise read a digit</span> +<span id="L251" class="LineNr">251 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L252" class="LineNr">252 </span> 50/push-EAX +<span id="L253" class="LineNr">253 </span> 51/push-ECX +<span id="L254" class="LineNr">254 </span> 52/push-EDX +<span id="L255" class="LineNr">255 </span> 53/push-EBX +<span id="L256" class="LineNr">256 </span> 56/push-ESI +<span id="L257" class="LineNr">257 </span> 57/push-EDI +<span id="L258" class="LineNr">258 </span> <span class="subxComment"># read necessary variables to registers</span> +<span id="L259" class="LineNr">259 </span> <span class="subxComment"># ESI = in</span> +<span id="L260" class="LineNr">260 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L261" class="LineNr">261 </span> <span class="subxComment"># EDI = out</span> +<span id="L262" class="LineNr">262 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> +<span id="L263" class="LineNr">263 </span> <span class="subxComment"># ECX = out->write</span> +<span id="L264" class="LineNr">264 </span> 8b/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EDI to ECX</span> +<span id="L265" class="LineNr">265 </span> <span class="subxComment"># EDX = out->length</span> +<span id="L266" class="LineNr">266 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+8) to EDX</span> +<span id="L267" class="LineNr">267 </span><span class="Constant">$get-num:loop</span>: +<span id="L268" class="LineNr">268 </span> <span class="subxComment"># if (out->write >= out->length) error</span> +<span id="L269" class="LineNr">269 </span> 39/compare 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare EDX with ECX</span> +<span id="L270" class="LineNr">270 </span> 7d/jump-if-lesser $get-num:loop-stage2/disp8 +<span id="L271" class="LineNr">271 </span> <span class="subxS1Comment"># . error(ed, err, msg) # TODO: show full number</span> +<span id="L272" class="LineNr">272 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L273" class="LineNr">273 </span> 68/push <span class="Constant">"get-num: too many digits in number"</span>/imm32 +<span id="L274" class="LineNr">274 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L275" class="LineNr">275 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> +<span id="L276" class="LineNr">276 </span> <span class="subxS2Comment"># . . call</span> +<span id="L277" class="LineNr">277 </span> e8/call <a href='../063error.subx.html#L9'>error</a>/disp32 <span class="subxComment"># never returns</span> +<span id="L278" class="LineNr">278 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L279" class="LineNr">279 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L280" class="LineNr">280 </span><span class="Constant">$get-num:loop-stage2</span>: +<span id="L281" class="LineNr">281 </span> <span class="subxComment"># out->data[out->write] = LSB(Look)</span> +<span id="L282" class="LineNr">282 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/EDI 1/index/ECX <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EDI+ECX+12 to EBX</span> +<span id="L283" class="LineNr">283 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="SpecialChar"><a href='crenshaw2-1b.subx.html#L775'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy *Look to EAX</span> +<span id="L284" class="LineNr">284 </span> 88/copy-byte 0/mod/indirect 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at AL to *EBX</span> +<span id="L285" class="LineNr">285 </span> <span class="subxComment"># ++out->write</span> +<span id="L286" class="LineNr">286 </span> 41/increment-ECX +<span id="L287" class="LineNr">287 </span> <span class="subxComment"># Look = get-char(in)</span> +<span id="L288" class="LineNr">288 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L289" class="LineNr">289 </span> 56/push-ESI +<span id="L290" class="LineNr">290 </span> <span class="subxS2Comment"># . . call</span> +<span id="L291" class="LineNr">291 </span> e8/call <a href='crenshaw2-1b.subx.html#L731'>get-char</a>/disp32 +<span id="L292" class="LineNr">292 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L293" class="LineNr">293 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L294" class="LineNr">294 </span> <span class="subxComment"># if (is-digit?(Look)) loop</span> +<span id="L295" class="LineNr">295 </span> <span class="subxS1Comment"># . EAX = is-digit?(Look)</span> +<span id="L296" class="LineNr">296 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L297" class="LineNr">297 </span> ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='crenshaw2-1b.subx.html#L775'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># push *Look</span> +<span id="L298" class="LineNr">298 </span> <span class="subxS2Comment"># . . call</span> +<span id="L299" class="LineNr">299 </span> e8/call <a href='crenshaw2-1b.subx.html#L753'>is-digit?</a>/disp32 +<span id="L300" class="LineNr">300 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L301" class="LineNr">301 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L302" class="LineNr">302 </span> <span class="subxS1Comment"># . if (EAX != 0) loop</span> +<span id="L303" class="LineNr">303 </span> 3d/compare-EAX 0/imm32 +<span id="L304" class="LineNr">304 </span> 0f 85/jump-if-not-equal $get-num:loop/disp32 +<span id="L305" class="LineNr">305 </span><span class="Constant">$get-num:loop-end</span>: +<span id="L306" class="LineNr">306 </span> <span class="subxComment"># persist necessary variables from registers</span> +<span id="L307" class="LineNr">307 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *EDI</span> +<span id="L308" class="LineNr">308 </span><span class="Constant">$get-num:end</span>: +<span id="L309" class="LineNr">309 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L310" class="LineNr">310 </span> 5f/pop-to-EDI +<span id="L311" class="LineNr">311 </span> 5e/pop-to-ESI +<span id="L312" class="LineNr">312 </span> 5b/pop-to-EBX +<span id="L313" class="LineNr">313 </span> 5a/pop-to-EDX +<span id="L314" class="LineNr">314 </span> 59/pop-to-ECX +<span id="L315" class="LineNr">315 </span> 58/pop-to-EAX +<span id="L316" class="LineNr">316 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L317" class="LineNr">317 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L318" class="LineNr">318 </span> 5d/pop-to-EBP +<span id="L319" class="LineNr">319 </span> c3/return +<span id="L320" class="LineNr">320 </span> +<span id="L321" class="LineNr">321 </span><span class="subxTest">test-get-num-reads-single-digit</span>: +<span id="L322" class="LineNr">322 </span> <span class="subxH1Comment"># - check that get-num returns first character if it's a digit</span> +<span id="L323" class="LineNr">323 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L324" class="LineNr">324 </span> 55/push-EBP +<span id="L325" class="LineNr">325 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L326" class="LineNr">326 </span> <span class="subxComment"># clear all streams</span> +<span id="L327" class="LineNr">327 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L328" class="LineNr">328 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L329" class="LineNr">329 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L330" class="LineNr">330 </span> <span class="subxS2Comment"># . . call</span> +<span id="L331" class="LineNr">331 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L332" class="LineNr">332 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L333" class="LineNr">333 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L334" class="LineNr">334 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L335" class="LineNr">335 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L336" class="LineNr">336 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L337" class="LineNr">337 </span> 05/add-to-EAX 4/imm32 +<span id="L338" class="LineNr">338 </span> 50/push-EAX +<span id="L339" class="LineNr">339 </span> <span class="subxS2Comment"># . . call</span> +<span id="L340" class="LineNr">340 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L341" class="LineNr">341 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L342" class="LineNr">342 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L343" class="LineNr">343 </span> <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span> +<span id="L344" class="LineNr">344 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L345" class="LineNr">345 </span> 68/push <a href='crenshaw2-1b.subx.html#L778'>_test-output-stream</a>/imm32 +<span id="L346" class="LineNr">346 </span> <span class="subxS2Comment"># . . call</span> +<span id="L347" class="LineNr">347 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L348" class="LineNr">348 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L349" class="LineNr">349 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L350" class="LineNr">350 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L351" class="LineNr">351 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L352" class="LineNr">352 </span> 68/push <a href='crenshaw2-1b.subx.html#L788'>_test-error-stream</a>/imm32 +<span id="L353" class="LineNr">353 </span> <span class="subxS2Comment"># . . call</span> +<span id="L354" class="LineNr">354 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L355" class="LineNr">355 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L356" class="LineNr">356 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L357" class="LineNr">357 </span> <span class="subxComment"># initialize 'in'</span> +<span id="L358" class="LineNr">358 </span> <span class="subxS1Comment"># . write(_test-stream, "3")</span> +<span id="L359" class="LineNr">359 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L360" class="LineNr">360 </span> 68/push <span class="Constant">"3"</span>/imm32 +<span id="L361" class="LineNr">361 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L362" class="LineNr">362 </span> <span class="subxS2Comment"># . . call</span> +<span id="L363" class="LineNr">363 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L364" class="LineNr">364 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L365" class="LineNr">365 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L366" class="LineNr">366 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span> +<span id="L367" class="LineNr">367 </span> <span class="subxS1Comment"># . var ed/EAX : exit-descriptor</span> +<span id="L368" class="LineNr">368 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L369" class="LineNr">369 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> +<span id="L370" class="LineNr">370 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span> +<span id="L371" class="LineNr">371 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L372" class="LineNr">372 </span> 68/push 0x10/imm32/nbytes-of-args-for-get-num +<span id="L373" class="LineNr">373 </span> 50/push-EAX/ed +<span id="L374" class="LineNr">374 </span> <span class="subxS2Comment"># . . call</span> +<span id="L375" class="LineNr">375 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L376" class="LineNr">376 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L377" class="LineNr">377 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L378" class="LineNr">378 </span> <span class="subxComment"># prime the pump</span> +<span id="L379" class="LineNr">379 </span> <span class="subxS1Comment"># . get-char(_test-buffered-file)</span> +<span id="L380" class="LineNr">380 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L381" class="LineNr">381 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L382" class="LineNr">382 </span> <span class="subxS2Comment"># . . call</span> +<span id="L383" class="LineNr">383 </span> e8/call <a href='crenshaw2-1b.subx.html#L731'>get-char</a>/disp32 +<span id="L384" class="LineNr">384 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L385" class="LineNr">385 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L386" class="LineNr">386 </span> <span class="subxComment"># get-num(in, out, err, ed)</span> +<span id="L387" class="LineNr">387 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L388" class="LineNr">388 </span> 50/push-EAX/ed +<span id="L389" class="LineNr">389 </span> 68/push <a href='crenshaw2-1b.subx.html#L788'>_test-error-stream</a>/imm32 +<span id="L390" class="LineNr">390 </span> 68/push <a href='crenshaw2-1b.subx.html#L778'>_test-output-stream</a>/imm32 +<span id="L391" class="LineNr">391 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L392" class="LineNr">392 </span> <span class="subxS2Comment"># . . call</span> +<span id="L393" class="LineNr">393 </span> e8/call <a href='crenshaw2-1b.subx.html#L202'>get-num</a>/disp32 +<span id="L394" class="LineNr">394 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L395" class="LineNr">395 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L396" class="LineNr">396 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L397" class="LineNr">397 </span> <span class="subxComment"># check-ints-equal(*_test-output-stream->data, '3', msg)</span> +<span id="L398" class="LineNr">398 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L399" class="LineNr">399 </span> 68/push <span class="Constant">"F - test-get-num-reads-single-digit"</span>/imm32 +<span id="L400" class="LineNr">400 </span> 68/push 0x33/imm32 +<span id="L401" class="LineNr">401 </span> b8/copy-to-EAX <a href='crenshaw2-1b.subx.html#L778'>_test-output-stream</a>/imm32 +<span id="L402" class="LineNr">402 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L403" class="LineNr">403 </span> <span class="subxS2Comment"># . . call</span> +<span id="L404" class="LineNr">404 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L405" class="LineNr">405 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L406" class="LineNr">406 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L407" class="LineNr">407 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L408" class="LineNr">408 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L409" class="LineNr">409 </span> 5d/pop-to-EBP +<span id="L410" class="LineNr">410 </span> c3/return +<span id="L411" class="LineNr">411 </span> +<span id="L412" class="LineNr">412 </span><span class="subxTest">test-get-num-aborts-on-non-digit-in-Look</span>: +<span id="L413" class="LineNr">413 </span> <span class="subxH1Comment"># - check that get-num returns first character if it's a digit</span> +<span id="L414" class="LineNr">414 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L415" class="LineNr">415 </span> 55/push-EBP +<span id="L416" class="LineNr">416 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L417" class="LineNr">417 </span> <span class="subxComment"># clear all streams</span> +<span id="L418" class="LineNr">418 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L419" class="LineNr">419 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L420" class="LineNr">420 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L421" class="LineNr">421 </span> <span class="subxS2Comment"># . . call</span> +<span id="L422" class="LineNr">422 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L423" class="LineNr">423 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L424" class="LineNr">424 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L425" class="LineNr">425 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L426" class="LineNr">426 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L427" class="LineNr">427 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L428" class="LineNr">428 </span> 05/add-to-EAX 4/imm32 +<span id="L429" class="LineNr">429 </span> 50/push-EAX +<span id="L430" class="LineNr">430 </span> <span class="subxS2Comment"># . . call</span> +<span id="L431" class="LineNr">431 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L432" class="LineNr">432 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L433" class="LineNr">433 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L434" class="LineNr">434 </span> <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span> +<span id="L435" class="LineNr">435 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L436" class="LineNr">436 </span> 68/push <a href='crenshaw2-1b.subx.html#L778'>_test-output-stream</a>/imm32 +<span id="L437" class="LineNr">437 </span> <span class="subxS2Comment"># . . call</span> +<span id="L438" class="LineNr">438 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L439" class="LineNr">439 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L440" class="LineNr">440 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L441" class="LineNr">441 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L442" class="LineNr">442 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L443" class="LineNr">443 </span> 68/push <a href='crenshaw2-1b.subx.html#L788'>_test-error-stream</a>/imm32 +<span id="L444" class="LineNr">444 </span> <span class="subxS2Comment"># . . call</span> +<span id="L445" class="LineNr">445 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L446" class="LineNr">446 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L447" class="LineNr">447 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L448" class="LineNr">448 </span> <span class="subxComment"># initialize 'in'</span> +<span id="L449" class="LineNr">449 </span> <span class="subxS1Comment"># . write(_test-stream, "3")</span> +<span id="L450" class="LineNr">450 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L451" class="LineNr">451 </span> 68/push <span class="Constant">"3"</span>/imm32 +<span id="L452" class="LineNr">452 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L453" class="LineNr">453 </span> <span class="subxS2Comment"># . . call</span> +<span id="L454" class="LineNr">454 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L455" class="LineNr">455 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L456" class="LineNr">456 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L457" class="LineNr">457 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span> +<span id="L458" class="LineNr">458 </span> <span class="subxS1Comment"># . var ed/EAX : (address exit-descriptor)</span> +<span id="L459" class="LineNr">459 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L460" class="LineNr">460 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> +<span id="L461" class="LineNr">461 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span> +<span id="L462" class="LineNr">462 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L463" class="LineNr">463 </span> 68/push 0x10/imm32/nbytes-of-args-for-get-num +<span id="L464" class="LineNr">464 </span> 50/push-EAX/ed +<span id="L465" class="LineNr">465 </span> <span class="subxS2Comment"># . . call</span> +<span id="L466" class="LineNr">466 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L467" class="LineNr">467 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L468" class="LineNr">468 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L469" class="LineNr">469 </span> <span class="subxComment"># *don't* prime the pump</span> +<span id="L470" class="LineNr">470 </span> <span class="subxComment"># get-num(in, out, err, ed)</span> +<span id="L471" class="LineNr">471 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L472" class="LineNr">472 </span> 50/push-EAX/ed +<span id="L473" class="LineNr">473 </span> 68/push <a href='crenshaw2-1b.subx.html#L788'>_test-error-stream</a>/imm32 +<span id="L474" class="LineNr">474 </span> 68/push <a href='crenshaw2-1b.subx.html#L778'>_test-output-stream</a>/imm32 +<span id="L475" class="LineNr">475 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L476" class="LineNr">476 </span> <span class="subxS2Comment"># . . call</span> +<span id="L477" class="LineNr">477 </span> e8/call <a href='crenshaw2-1b.subx.html#L202'>get-num</a>/disp32 +<span id="L478" class="LineNr">478 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L479" class="LineNr">479 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L480" class="LineNr">480 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L481" class="LineNr">481 </span> <span class="subxComment"># check that get-num tried to call exit(1)</span> +<span id="L482" class="LineNr">482 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 2, msg) # i.e. stop was called with value 1</span> +<span id="L483" class="LineNr">483 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L484" class="LineNr">484 </span> 68/push <span class="Constant">"F - test-get-num-aborts-on-non-digit-in-Look"</span>/imm32 +<span id="L485" class="LineNr">485 </span> 68/push 2/imm32 +<span id="L486" class="LineNr">486 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L487" class="LineNr">487 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L488" class="LineNr">488 </span> <span class="subxS2Comment"># . . call</span> +<span id="L489" class="LineNr">489 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L490" class="LineNr">490 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L491" class="LineNr">491 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L492" class="LineNr">492 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L493" class="LineNr">493 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L494" class="LineNr">494 </span> 5d/pop-to-EBP +<span id="L495" class="LineNr">495 </span> c3/return +<span id="L496" class="LineNr">496 </span> +<span id="L497" class="LineNr">497 </span><span class="subxTest">test-get-num-reads-multiple-digits</span>: +<span id="L498" class="LineNr">498 </span> <span class="subxH1Comment"># - check that get-num returns all initial digits until it encounters a non-digit</span> +<span id="L499" class="LineNr">499 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L500" class="LineNr">500 </span> 55/push-EBP +<span id="L501" class="LineNr">501 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L502" class="LineNr">502 </span> <span class="subxComment"># clear all streams</span> +<span id="L503" class="LineNr">503 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L504" class="LineNr">504 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L505" class="LineNr">505 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L506" class="LineNr">506 </span> <span class="subxS2Comment"># . . call</span> +<span id="L507" class="LineNr">507 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L508" class="LineNr">508 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L509" class="LineNr">509 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L510" class="LineNr">510 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L511" class="LineNr">511 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L512" class="LineNr">512 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L513" class="LineNr">513 </span> 05/add-to-EAX 4/imm32 +<span id="L514" class="LineNr">514 </span> 50/push-EAX +<span id="L515" class="LineNr">515 </span> <span class="subxS2Comment"># . . call</span> +<span id="L516" class="LineNr">516 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L517" class="LineNr">517 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L518" class="LineNr">518 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L519" class="LineNr">519 </span> <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span> +<span id="L520" class="LineNr">520 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L521" class="LineNr">521 </span> 68/push <a href='crenshaw2-1b.subx.html#L778'>_test-output-stream</a>/imm32 +<span id="L522" class="LineNr">522 </span> <span class="subxS2Comment"># . . call</span> +<span id="L523" class="LineNr">523 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L524" class="LineNr">524 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L525" class="LineNr">525 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L526" class="LineNr">526 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L527" class="LineNr">527 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L528" class="LineNr">528 </span> 68/push <a href='crenshaw2-1b.subx.html#L788'>_test-error-stream</a>/imm32 +<span id="L529" class="LineNr">529 </span> <span class="subxS2Comment"># . . call</span> +<span id="L530" class="LineNr">530 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L531" class="LineNr">531 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L532" class="LineNr">532 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L533" class="LineNr">533 </span> <span class="subxComment"># initialize 'in'</span> +<span id="L534" class="LineNr">534 </span> <span class="subxS1Comment"># . write(_test-stream, "3456 x")</span> +<span id="L535" class="LineNr">535 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L536" class="LineNr">536 </span> 68/push <span class="Constant">"3456"</span>/imm32 +<span id="L537" class="LineNr">537 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L538" class="LineNr">538 </span> <span class="subxS2Comment"># . . call</span> +<span id="L539" class="LineNr">539 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L540" class="LineNr">540 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L541" class="LineNr">541 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L542" class="LineNr">542 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span> +<span id="L543" class="LineNr">543 </span> <span class="subxS1Comment"># . var ed/EAX : (address exit-descriptor)</span> +<span id="L544" class="LineNr">544 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L545" class="LineNr">545 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> +<span id="L546" class="LineNr">546 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span> +<span id="L547" class="LineNr">547 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L548" class="LineNr">548 </span> 68/push 0x10/imm32/nbytes-of-args-for-get-num +<span id="L549" class="LineNr">549 </span> 50/push-EAX/ed +<span id="L550" class="LineNr">550 </span> <span class="subxS2Comment"># . . call</span> +<span id="L551" class="LineNr">551 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L552" class="LineNr">552 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L553" class="LineNr">553 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L554" class="LineNr">554 </span> <span class="subxComment"># prime the pump</span> +<span id="L555" class="LineNr">555 </span> <span class="subxS1Comment"># . get-char(_test-buffered-file)</span> +<span id="L556" class="LineNr">556 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L557" class="LineNr">557 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L558" class="LineNr">558 </span> <span class="subxS2Comment"># . . call</span> +<span id="L559" class="LineNr">559 </span> e8/call <a href='crenshaw2-1b.subx.html#L731'>get-char</a>/disp32 +<span id="L560" class="LineNr">560 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L561" class="LineNr">561 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L562" class="LineNr">562 </span> <span class="subxComment"># get-num(in, out, err, ed)</span> +<span id="L563" class="LineNr">563 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L564" class="LineNr">564 </span> 50/push-EAX/ed +<span id="L565" class="LineNr">565 </span> 68/push <a href='crenshaw2-1b.subx.html#L788'>_test-error-stream</a>/imm32 +<span id="L566" class="LineNr">566 </span> 68/push <a href='crenshaw2-1b.subx.html#L778'>_test-output-stream</a>/imm32 +<span id="L567" class="LineNr">567 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L568" class="LineNr">568 </span> <span class="subxS2Comment"># . . call</span> +<span id="L569" class="LineNr">569 </span> e8/call <a href='crenshaw2-1b.subx.html#L202'>get-num</a>/disp32 +<span id="L570" class="LineNr">570 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L571" class="LineNr">571 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L572" class="LineNr">572 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L573" class="LineNr">573 </span> <span class="subxComment"># check-ints-equal(*_test-output-stream->data, '3456', msg)</span> +<span id="L574" class="LineNr">574 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L575" class="LineNr">575 </span> 68/push <span class="Constant">"F - test-get-num-reads-multiple-digits"</span>/imm32 +<span id="L576" class="LineNr">576 </span> 68/push 0x36353433/imm32 +<span id="L577" class="LineNr">577 </span> b8/copy-to-EAX <a href='crenshaw2-1b.subx.html#L778'>_test-output-stream</a>/imm32 +<span id="L578" class="LineNr">578 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L579" class="LineNr">579 </span> <span class="subxS2Comment"># . . call</span> +<span id="L580" class="LineNr">580 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L581" class="LineNr">581 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L582" class="LineNr">582 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L583" class="LineNr">583 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L584" class="LineNr">584 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L585" class="LineNr">585 </span> 5d/pop-to-EBP +<span id="L586" class="LineNr">586 </span> c3/return +<span id="L587" class="LineNr">587 </span> +<span id="L588" class="LineNr">588 </span><span class="subxTest">test-get-num-reads-multiple-digits-followed-by-nondigit</span>: +<span id="L589" class="LineNr">589 </span> <span class="subxH1Comment"># - check that get-num returns all initial digits until it encounters a non-digit</span> +<span id="L590" class="LineNr">590 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L591" class="LineNr">591 </span> 55/push-EBP +<span id="L592" class="LineNr">592 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L593" class="LineNr">593 </span> <span class="subxComment"># clear all streams</span> +<span id="L594" class="LineNr">594 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L595" class="LineNr">595 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L596" class="LineNr">596 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L597" class="LineNr">597 </span> <span class="subxS2Comment"># . . call</span> +<span id="L598" class="LineNr">598 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L599" class="LineNr">599 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L600" class="LineNr">600 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L601" class="LineNr">601 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L602" class="LineNr">602 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L603" class="LineNr">603 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L604" class="LineNr">604 </span> 05/add-to-EAX 4/imm32 +<span id="L605" class="LineNr">605 </span> 50/push-EAX +<span id="L606" class="LineNr">606 </span> <span class="subxS2Comment"># . . call</span> +<span id="L607" class="LineNr">607 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L608" class="LineNr">608 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L609" class="LineNr">609 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L610" class="LineNr">610 </span> <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span> +<span id="L611" class="LineNr">611 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L612" class="LineNr">612 </span> 68/push <a href='crenshaw2-1b.subx.html#L778'>_test-output-stream</a>/imm32 +<span id="L613" class="LineNr">613 </span> <span class="subxS2Comment"># . . call</span> +<span id="L614" class="LineNr">614 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L615" class="LineNr">615 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L616" class="LineNr">616 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L617" class="LineNr">617 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L618" class="LineNr">618 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L619" class="LineNr">619 </span> 68/push <a href='crenshaw2-1b.subx.html#L788'>_test-error-stream</a>/imm32 +<span id="L620" class="LineNr">620 </span> <span class="subxS2Comment"># . . call</span> +<span id="L621" class="LineNr">621 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L622" class="LineNr">622 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L623" class="LineNr">623 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L624" class="LineNr">624 </span> <span class="subxComment"># initialize 'in'</span> +<span id="L625" class="LineNr">625 </span> <span class="subxS1Comment"># . write(_test-stream, "3456 x")</span> +<span id="L626" class="LineNr">626 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L627" class="LineNr">627 </span> 68/push <span class="Constant">"3456 x"</span>/imm32 +<span id="L628" class="LineNr">628 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L629" class="LineNr">629 </span> <span class="subxS2Comment"># . . call</span> +<span id="L630" class="LineNr">630 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L631" class="LineNr">631 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L632" class="LineNr">632 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L633" class="LineNr">633 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'get-num' below</span> +<span id="L634" class="LineNr">634 </span> <span class="subxS1Comment"># . var ed/EAX : (address exit-descriptor)</span> +<span id="L635" class="LineNr">635 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L636" class="LineNr">636 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> +<span id="L637" class="LineNr">637 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 16)</span> +<span id="L638" class="LineNr">638 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L639" class="LineNr">639 </span> 68/push 0x10/imm32/nbytes-of-args-for-get-num +<span id="L640" class="LineNr">640 </span> 50/push-EAX/ed +<span id="L641" class="LineNr">641 </span> <span class="subxS2Comment"># . . call</span> +<span id="L642" class="LineNr">642 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L643" class="LineNr">643 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L644" class="LineNr">644 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L645" class="LineNr">645 </span> <span class="subxComment"># prime the pump</span> +<span id="L646" class="LineNr">646 </span> <span class="subxS1Comment"># . get-char(_test-buffered-file)</span> +<span id="L647" class="LineNr">647 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L648" class="LineNr">648 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L649" class="LineNr">649 </span> <span class="subxS2Comment"># . . call</span> +<span id="L650" class="LineNr">650 </span> e8/call <a href='crenshaw2-1b.subx.html#L731'>get-char</a>/disp32 +<span id="L651" class="LineNr">651 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L652" class="LineNr">652 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L653" class="LineNr">653 </span> <span class="subxComment"># get-num(in, out, err, ed)</span> +<span id="L654" class="LineNr">654 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L655" class="LineNr">655 </span> 50/push-EAX/ed +<span id="L656" class="LineNr">656 </span> 68/push <a href='crenshaw2-1b.subx.html#L788'>_test-error-stream</a>/imm32 +<span id="L657" class="LineNr">657 </span> 68/push <a href='crenshaw2-1b.subx.html#L778'>_test-output-stream</a>/imm32 +<span id="L658" class="LineNr">658 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L659" class="LineNr">659 </span> <span class="subxS2Comment"># . . call</span> +<span id="L660" class="LineNr">660 </span> e8/call <a href='crenshaw2-1b.subx.html#L202'>get-num</a>/disp32 +<span id="L661" class="LineNr">661 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L662" class="LineNr">662 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L663" class="LineNr">663 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L664" class="LineNr">664 </span> <span class="subxComment"># check-ints-equal(*_test-output-stream->data, '3456', msg)</span> +<span id="L665" class="LineNr">665 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L666" class="LineNr">666 </span> 68/push <span class="Constant">"F - test-get-num-reads-multiple-digits-followed-by-nondigit"</span>/imm32 +<span id="L667" class="LineNr">667 </span> 68/push 0x36353433/imm32 +<span id="L668" class="LineNr">668 </span> b8/copy-to-EAX <a href='crenshaw2-1b.subx.html#L778'>_test-output-stream</a>/imm32 +<span id="L669" class="LineNr">669 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L670" class="LineNr">670 </span> <span class="subxS2Comment"># . . call</span> +<span id="L671" class="LineNr">671 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L672" class="LineNr">672 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L673" class="LineNr">673 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L674" class="LineNr">674 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L675" class="LineNr">675 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L676" class="LineNr">676 </span> 5d/pop-to-EBP +<span id="L677" class="LineNr">677 </span> c3/return +<span id="L678" class="LineNr">678 </span> +<span id="L679" class="LineNr">679 </span><span class="subxComment">## helpers</span> +<span id="L680" class="LineNr">680 </span> +<span id="L681" class="LineNr">681 </span><span class="subxComment"># write(f, "Error: "+s+" expected\n") then stop(ed, 1)</span> +<span id="L682" class="LineNr">682 </span><span class="subxFunction">expected</span>: <span class="subxComment"># ed : (address exit-descriptor), f : fd or (address stream), s : (address array byte) -> <void></span> +<span id="L683" class="LineNr">683 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L684" class="LineNr">684 </span> 55/push-EBP +<span id="L685" class="LineNr">685 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L686" class="LineNr">686 </span> <span class="subxComment"># write(f, "Error: ")</span> +<span id="L687" class="LineNr">687 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L688" class="LineNr">688 </span> 68/push <span class="Constant">"Error: "</span>/imm32 +<span id="L689" class="LineNr">689 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L690" class="LineNr">690 </span> <span class="subxS2Comment"># . . call</span> +<span id="L691" class="LineNr">691 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L692" class="LineNr">692 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L693" class="LineNr">693 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L694" class="LineNr">694 </span> <span class="subxComment"># write(f, s)</span> +<span id="L695" class="LineNr">695 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L696" class="LineNr">696 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L697" class="LineNr">697 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L698" class="LineNr">698 </span> <span class="subxS2Comment"># . . call</span> +<span id="L699" class="LineNr">699 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L700" class="LineNr">700 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L701" class="LineNr">701 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L702" class="LineNr">702 </span> <span class="subxComment"># write(f, " expected")</span> +<span id="L703" class="LineNr">703 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L704" class="LineNr">704 </span> 68/push <span class="Constant">" expected"</span>/imm32 +<span id="L705" class="LineNr">705 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L706" class="LineNr">706 </span> <span class="subxS2Comment"># . . call</span> +<span id="L707" class="LineNr">707 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L708" class="LineNr">708 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L709" class="LineNr">709 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L710" class="LineNr">710 </span> <span class="subxComment"># write(f, Newline)</span> +<span id="L711" class="LineNr">711 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L712" class="LineNr">712 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L713" class="LineNr">713 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L714" class="LineNr">714 </span> <span class="subxS2Comment"># . . call</span> +<span id="L715" class="LineNr">715 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L716" class="LineNr">716 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L717" class="LineNr">717 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L718" class="LineNr">718 </span> <span class="subxComment"># stop(ed, 1)</span> +<span id="L719" class="LineNr">719 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L720" class="LineNr">720 </span> 68/push 1/imm32 +<span id="L721" class="LineNr">721 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L722" class="LineNr">722 </span> <span class="subxS2Comment"># . . call</span> +<span id="L723" class="LineNr">723 </span> e8/call <a href='../059stop.subx.html#L98'>stop</a>/disp32 +<span id="L724" class="LineNr">724 </span> <span class="subxComment"># should never get past this point</span> +<span id="L725" class="LineNr">725 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L726" class="LineNr">726 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L727" class="LineNr">727 </span> 5d/pop-to-EBP +<span id="L728" class="LineNr">728 </span> c3/return +<span id="L729" class="LineNr">729 </span> +<span id="L730" class="LineNr">730 </span><span class="subxComment"># read a byte from 'f', and save it in 'Look'</span> +<span id="L731" class="LineNr">731 </span><span class="subxFunction">get-char</span>: <span class="subxComment"># f : (address buffered-file) -> <void></span> +<span id="L732" class="LineNr">732 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L733" class="LineNr">733 </span> 55/push-EBP +<span id="L734" class="LineNr">734 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L735" class="LineNr">735 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L736" class="LineNr">736 </span> 50/push-EAX +<span id="L737" class="LineNr">737 </span> <span class="subxComment"># read-byte(f)</span> +<span id="L738" class="LineNr">738 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L739" class="LineNr">739 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L740" class="LineNr">740 </span> <span class="subxS2Comment"># . . call</span> +<span id="L741" class="LineNr">741 </span> e8/call <a href='../061read-byte.subx.html#L44'>read-byte</a>/disp32 +<span id="L742" class="LineNr">742 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L743" class="LineNr">743 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L744" class="LineNr">744 </span> <span class="subxComment"># save EAX to Look</span> +<span id="L745" class="LineNr">745 </span> 89/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="SpecialChar"><a href='crenshaw2-1b.subx.html#L775'>Look</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *Look</span> +<span id="L746" class="LineNr">746 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L747" class="LineNr">747 </span> 58/pop-to-EAX +<span id="L748" class="LineNr">748 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L749" class="LineNr">749 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L750" class="LineNr">750 </span> 5d/pop-to-EBP +<span id="L751" class="LineNr">751 </span> c3/return +<span id="L752" class="LineNr">752 </span> +<span id="L753" class="LineNr">753 </span><span class="subxFunction">is-digit?</span>: <span class="subxComment"># c : int -> EAX : boolean</span> +<span id="L754" class="LineNr">754 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L755" class="LineNr">755 </span> 55/push-EBP +<span id="L756" class="LineNr">756 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L757" class="LineNr">757 </span> <span class="subxComment"># EAX = false</span> +<span id="L758" class="LineNr">758 </span> b8/copy-to-EAX 0/imm32 +<span id="L759" class="LineNr">759 </span> <span class="subxComment"># if (c < '0') return false</span> +<span id="L760" class="LineNr">760 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x30/imm32 <span class="subxComment"># compare *(EBP+8)</span> +<span id="L761" class="LineNr">761 </span> 7c/jump-if-lesser $is-digit?:end/disp8 +<span id="L762" class="LineNr">762 </span> <span class="subxComment"># if (c > '9') return false</span> +<span id="L763" class="LineNr">763 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 0x39/imm32 <span class="subxComment"># compare *(EBP+8)</span> +<span id="L764" class="LineNr">764 </span> 7f/jump-if-greater $is-digit?:end/disp8 +<span id="L765" class="LineNr">765 </span> <span class="subxComment"># otherwise return true</span> +<span id="L766" class="LineNr">766 </span> b8/copy-to-EAX 1/imm32 +<span id="L767" class="LineNr">767 </span><span class="Constant">$is-digit?:end</span>: +<span id="L768" class="LineNr">768 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L769" class="LineNr">769 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L770" class="LineNr">770 </span> 5d/pop-to-EBP +<span id="L771" class="LineNr">771 </span> c3/return +<span id="L772" class="LineNr">772 </span> +<span id="L773" class="LineNr">773 </span>== data +<span id="L774" class="LineNr">774 </span> +<span id="L775" class="LineNr">775 </span><span class="SpecialChar">Look</span>: <span class="subxComment"># (char with some extra padding)</span> +<span id="L776" class="LineNr">776 </span> 0/imm32 +<span id="L777" class="LineNr">777 </span> +<span id="L778" class="LineNr">778 </span><span class="subxMinorFunction">_test-output-stream</span>: +<span id="L779" class="LineNr">779 </span> <span class="subxComment"># current write index</span> +<span id="L780" class="LineNr">780 </span> 0/imm32 +<span id="L781" class="LineNr">781 </span> <span class="subxComment"># current read index</span> +<span id="L782" class="LineNr">782 </span> 0/imm32 +<span id="L783" class="LineNr">783 </span> <span class="subxComment"># length</span> +<span id="L784" class="LineNr">784 </span> 8/imm32 +<span id="L785" class="LineNr">785 </span> <span class="subxComment"># data</span> +<span id="L786" class="LineNr">786 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> +<span id="L787" class="LineNr">787 </span> +<span id="L788" class="LineNr">788 </span><span class="subxMinorFunction">_test-error-stream</span>: +<span id="L789" class="LineNr">789 </span> <span class="subxComment"># current write index</span> +<span id="L790" class="LineNr">790 </span> 0/imm32 +<span id="L791" class="LineNr">791 </span> <span class="subxComment"># current read index</span> +<span id="L792" class="LineNr">792 </span> 0/imm32 +<span id="L793" class="LineNr">793 </span> <span class="subxComment"># length</span> +<span id="L794" class="LineNr">794 </span> 8/imm32 +<span id="L795" class="LineNr">795 </span> <span class="subxComment"># data</span> +<span id="L796" class="LineNr">796 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> +<span id="L797" class="LineNr">797 </span> +<span id="L798" class="LineNr">798 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/apps/factorial.subx.html b/html/subx/apps/factorial.subx.html index 0a92f4a7..c265aabf 100644 --- a/html/subx/apps/factorial.subx.html +++ b/html/subx/apps/factorial.subx.html @@ -23,6 +23,7 @@ a { color:inherit; } .subxFunction { color: #af5f00; text-decoration: underline; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } .subxTest { color: #5f8700; } +.CommentedCode { color: #8a8a8a; } .subxH1Comment { color: #005faf; text-decoration: underline; } --> </style> @@ -79,93 +80,98 @@ if ('onhashchange' in window) { <span id="L18" class="LineNr"> 18 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L19" class="LineNr"> 19 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L20" class="LineNr"> 20 </span> -<span id="L21" class="LineNr"> 21 </span><span class="subxComment"># main:</span> -<span id="L22" class="LineNr"> 22 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L23" class="LineNr"> 23 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L24" class="LineNr"> 24 </span> <span class="subxH1Comment"># - if argc > 1 and argv[1] == "test", then return run_tests()</span> -<span id="L25" class="LineNr"> 25 </span> <span class="subxS1Comment"># . argc > 1</span> -<span id="L26" class="LineNr"> 26 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/disp8 1/imm32 <span class="subxComment"># compare *EBP</span> -<span id="L27" class="LineNr"> 27 </span> 7e/jump-if-lesser-or-equal $run-main/disp8 -<span id="L28" class="LineNr"> 28 </span> <span class="subxS1Comment"># . argv[1] == "test"</span> -<span id="L29" class="LineNr"> 29 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L30" class="LineNr"> 30 </span> 68/push <span class="Constant">"test"</span>/imm32 -<span id="L31" class="LineNr"> 31 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L32" class="LineNr"> 32 </span> <span class="subxS2Comment"># . . call</span> -<span id="L33" class="LineNr"> 33 </span> e8/call <a href='../052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 -<span id="L34" class="LineNr"> 34 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L35" class="LineNr"> 35 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L36" class="LineNr"> 36 </span> <span class="subxS1Comment"># . check result</span> -<span id="L37" class="LineNr"> 37 </span> 3d/compare-EAX 1/imm32 -<span id="L38" class="LineNr"> 38 </span> 75/jump-if-not-equal $run-main/disp8 -<span id="L39" class="LineNr"> 39 </span> <span class="subxS1Comment"># . run-tests()</span> -<span id="L40" class="LineNr"> 40 </span> e8/call run-tests/disp32 -<span id="L41" class="LineNr"> 41 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="SpecialChar"><a href='../051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EAX</span> -<span id="L42" class="LineNr"> 42 </span> eb/jump $main:end/disp8 <span class="subxComment"># where EAX will get copied to EBX</span> -<span id="L43" class="LineNr"> 43 </span> <span class="subxH1Comment"># - otherwise return factorial(5)</span> -<span id="L44" class="LineNr"> 44 </span><span class="Constant">$run-main</span>: -<span id="L45" class="LineNr"> 45 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L46" class="LineNr"> 46 </span> 68/push 5/imm32 -<span id="L47" class="LineNr"> 47 </span> <span class="subxS2Comment"># . . call</span> -<span id="L48" class="LineNr"> 48 </span> e8/call <a href='factorial.subx.html#L57'>factorial</a>/disp32 -<span id="L49" class="LineNr"> 49 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L50" class="LineNr"> 50 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L51" class="LineNr"> 51 </span><span class="Constant">$main:end</span>: -<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># syscall(exit, EAX)</span> -<span id="L53" class="LineNr"> 53 </span> 89/copy 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to EBX</span> -<span id="L54" class="LineNr"> 54 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L55" class="LineNr"> 55 </span> cd/syscall 0x80/imm8 -<span id="L56" class="LineNr"> 56 </span> -<span id="L57" class="LineNr"> 57 </span><span class="subxFunction">factorial</span>: <span class="subxComment"># n : int -> int/EAX</span> -<span id="L58" class="LineNr"> 58 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L59" class="LineNr"> 59 </span> 55/push-EBP -<span id="L60" class="LineNr"> 60 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L61" class="LineNr"> 61 </span> 53/push-EBX -<span id="L62" class="LineNr"> 62 </span> <span class="subxComment"># EAX = 1 (base case)</span> -<span id="L63" class="LineNr"> 63 </span> b8/copy-to-EAX 1/imm32 -<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># if (n <= 1) return</span> -<span id="L65" class="LineNr"> 65 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 1/imm32 <span class="subxComment"># compare *(EBP+8)</span> -<span id="L66" class="LineNr"> 66 </span> 7e/jump-if-<= $factorial:end/disp8 -<span id="L67" class="LineNr"> 67 </span> <span class="subxComment"># EBX = n-1</span> -<span id="L68" class="LineNr"> 68 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EBX</span> -<span id="L69" class="LineNr"> 69 </span> 81 5/subop/subtract 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/imm32 <span class="subxComment"># subtract from EBX</span> -<span id="L70" class="LineNr"> 70 </span> <span class="subxComment"># EAX = factorial(n-1)</span> -<span id="L71" class="LineNr"> 71 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L72" class="LineNr"> 72 </span> 53/push-EBX -<span id="L73" class="LineNr"> 73 </span> <span class="subxS2Comment"># . . call</span> -<span id="L74" class="LineNr"> 74 </span> e8/call <a href='factorial.subx.html#L57'>factorial</a>/disp32 -<span id="L75" class="LineNr"> 75 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L76" class="LineNr"> 76 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># return n * factorial(n-1)</span> -<span id="L78" class="LineNr"> 78 </span> f7 4/subop/multiply 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># multiply *(EBP+8) into EAX</span> -<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># TODO: check for overflow</span> -<span id="L80" class="LineNr"> 80 </span><span class="Constant">$factorial:end</span>: -<span id="L81" class="LineNr"> 81 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L82" class="LineNr"> 82 </span> 5b/pop-to-EBX -<span id="L83" class="LineNr"> 83 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L84" class="LineNr"> 84 </span> 5d/pop-to-EBP -<span id="L85" class="LineNr"> 85 </span> c3/return -<span id="L86" class="LineNr"> 86 </span> -<span id="L87" class="LineNr"> 87 </span><span class="subxTest">test-factorial</span>: -<span id="L88" class="LineNr"> 88 </span> <span class="subxComment"># factorial(5)</span> -<span id="L89" class="LineNr"> 89 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L90" class="LineNr"> 90 </span> 68/push 5/imm32 -<span id="L91" class="LineNr"> 91 </span> <span class="subxS2Comment"># . . call</span> -<span id="L92" class="LineNr"> 92 </span> e8/call <a href='factorial.subx.html#L57'>factorial</a>/disp32 -<span id="L93" class="LineNr"> 93 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L94" class="LineNr"> 94 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># check-ints-equal(EAX, 120, msg)</span> -<span id="L96" class="LineNr"> 96 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L97" class="LineNr"> 97 </span> 68/push <span class="Constant">"F - test-factorial"</span>/imm32 -<span id="L98" class="LineNr"> 98 </span> 68/push 0x78/imm32/expected-120 -<span id="L99" class="LineNr"> 99 </span> 50/push-EAX -<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . call</span> -<span id="L101" class="LineNr">101 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L102" class="LineNr">102 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L103" class="LineNr">103 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L104" class="LineNr">104 </span> <span class="subxComment"># end</span> -<span id="L105" class="LineNr">105 </span> c3/return -<span id="L106" class="LineNr">106 </span> -<span id="L107" class="LineNr">107 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L21" class="LineNr"> 21 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># run tests if necessary, compute `factorial(5)` if not</span> +<span id="L22" class="LineNr"> 22 </span> +<span id="L23" class="LineNr"> 23 </span><span class="CommentedCode">#? # for debugging: run a single test; don't bother setting status code</span> +<span id="L24" class="LineNr"> 24 </span><span class="CommentedCode">#? e8/call test-get-num-reads-single-digit/disp32</span> +<span id="L25" class="LineNr"> 25 </span><span class="CommentedCode">#? eb/jump $main:end/disp8</span> +<span id="L26" class="LineNr"> 26 </span> +<span id="L27" class="LineNr"> 27 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L28" class="LineNr"> 28 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L29" class="LineNr"> 29 </span> <span class="subxH1Comment"># - if argc > 1 and argv[1] == "test", then return run_tests()</span> +<span id="L30" class="LineNr"> 30 </span> <span class="subxS1Comment"># . argc > 1</span> +<span id="L31" class="LineNr"> 31 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/disp8 1/imm32 <span class="subxComment"># compare *EBP</span> +<span id="L32" class="LineNr"> 32 </span> 7e/jump-if-lesser-or-equal $run-main/disp8 +<span id="L33" class="LineNr"> 33 </span> <span class="subxS1Comment"># . argv[1] == "test"</span> +<span id="L34" class="LineNr"> 34 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L35" class="LineNr"> 35 </span> 68/push <span class="Constant">"test"</span>/imm32 +<span id="L36" class="LineNr"> 36 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L37" class="LineNr"> 37 </span> <span class="subxS2Comment"># . . call</span> +<span id="L38" class="LineNr"> 38 </span> e8/call <a href='../052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 +<span id="L39" class="LineNr"> 39 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L40" class="LineNr"> 40 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxS1Comment"># . check result</span> +<span id="L42" class="LineNr"> 42 </span> 3d/compare-EAX 1/imm32 +<span id="L43" class="LineNr"> 43 </span> 75/jump-if-not-equal $run-main/disp8 +<span id="L44" class="LineNr"> 44 </span> <span class="subxS1Comment"># . run-tests()</span> +<span id="L45" class="LineNr"> 45 </span> e8/call run-tests/disp32 +<span id="L46" class="LineNr"> 46 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="SpecialChar"><a href='../051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EAX</span> +<span id="L47" class="LineNr"> 47 </span> eb/jump $main:end/disp8 <span class="subxComment"># where EAX will get copied to EBX</span> +<span id="L48" class="LineNr"> 48 </span> <span class="subxH1Comment"># - otherwise return factorial(5)</span> +<span id="L49" class="LineNr"> 49 </span><span class="Constant">$run-main</span>: +<span id="L50" class="LineNr"> 50 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L51" class="LineNr"> 51 </span> 68/push 5/imm32 +<span id="L52" class="LineNr"> 52 </span> <span class="subxS2Comment"># . . call</span> +<span id="L53" class="LineNr"> 53 </span> e8/call <a href='factorial.subx.html#L62'>factorial</a>/disp32 +<span id="L54" class="LineNr"> 54 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L55" class="LineNr"> 55 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L56" class="LineNr"> 56 </span><span class="Constant">$main:end</span>: +<span id="L57" class="LineNr"> 57 </span> <span class="subxComment"># syscall(exit, EAX)</span> +<span id="L58" class="LineNr"> 58 </span> 89/copy 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to EBX</span> +<span id="L59" class="LineNr"> 59 </span> b8/copy-to-EAX 1/imm32/exit +<span id="L60" class="LineNr"> 60 </span> cd/syscall 0x80/imm8 +<span id="L61" class="LineNr"> 61 </span> +<span id="L62" class="LineNr"> 62 </span><span class="subxFunction">factorial</span>: <span class="subxComment"># n : int -> int/EAX</span> +<span id="L63" class="LineNr"> 63 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L64" class="LineNr"> 64 </span> 55/push-EBP +<span id="L65" class="LineNr"> 65 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L66" class="LineNr"> 66 </span> 53/push-EBX +<span id="L67" class="LineNr"> 67 </span> <span class="subxComment"># EAX = 1 (base case)</span> +<span id="L68" class="LineNr"> 68 </span> b8/copy-to-EAX 1/imm32 +<span id="L69" class="LineNr"> 69 </span> <span class="subxComment"># if (n <= 1) return</span> +<span id="L70" class="LineNr"> 70 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 1/imm32 <span class="subxComment"># compare *(EBP+8)</span> +<span id="L71" class="LineNr"> 71 </span> 7e/jump-if-<= $factorial:end/disp8 +<span id="L72" class="LineNr"> 72 </span> <span class="subxComment"># EBX = n-1</span> +<span id="L73" class="LineNr"> 73 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EBX</span> +<span id="L74" class="LineNr"> 74 </span> 81 5/subop/subtract 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/imm32 <span class="subxComment"># subtract from EBX</span> +<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># EAX = factorial(n-1)</span> +<span id="L76" class="LineNr"> 76 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L77" class="LineNr"> 77 </span> 53/push-EBX +<span id="L78" class="LineNr"> 78 </span> <span class="subxS2Comment"># . . call</span> +<span id="L79" class="LineNr"> 79 </span> e8/call <a href='factorial.subx.html#L62'>factorial</a>/disp32 +<span id="L80" class="LineNr"> 80 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L81" class="LineNr"> 81 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L82" class="LineNr"> 82 </span> <span class="subxComment"># return n * factorial(n-1)</span> +<span id="L83" class="LineNr"> 83 </span> f7 4/subop/multiply 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># multiply *(EBP+8) into EAX</span> +<span id="L84" class="LineNr"> 84 </span> <span class="subxComment"># TODO: check for overflow</span> +<span id="L85" class="LineNr"> 85 </span><span class="Constant">$factorial:end</span>: +<span id="L86" class="LineNr"> 86 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L87" class="LineNr"> 87 </span> 5b/pop-to-EBX +<span id="L88" class="LineNr"> 88 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L89" class="LineNr"> 89 </span> 5d/pop-to-EBP +<span id="L90" class="LineNr"> 90 </span> c3/return +<span id="L91" class="LineNr"> 91 </span> +<span id="L92" class="LineNr"> 92 </span><span class="subxTest">test-factorial</span>: +<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># factorial(5)</span> +<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L95" class="LineNr"> 95 </span> 68/push 5/imm32 +<span id="L96" class="LineNr"> 96 </span> <span class="subxS2Comment"># . . call</span> +<span id="L97" class="LineNr"> 97 </span> e8/call <a href='factorial.subx.html#L62'>factorial</a>/disp32 +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L99" class="LineNr"> 99 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L100" class="LineNr">100 </span> <span class="subxComment"># check-ints-equal(EAX, 120, msg)</span> +<span id="L101" class="LineNr">101 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L102" class="LineNr">102 </span> 68/push <span class="Constant">"F - test-factorial"</span>/imm32 +<span id="L103" class="LineNr">103 </span> 68/push 0x78/imm32/expected-120 +<span id="L104" class="LineNr">104 </span> 50/push-EAX +<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . call</span> +<span id="L106" class="LineNr">106 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L108" class="LineNr">108 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L109" class="LineNr">109 </span> <span class="subxComment"># end</span> +<span id="L110" class="LineNr">110 </span> c3/return +<span id="L111" class="LineNr">111 </span> +<span id="L112" class="LineNr">112 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/apps/handle.subx.html b/html/subx/apps/handle.subx.html index 6f7728ea..6595c56c 100644 --- a/html/subx/apps/handle.subx.html +++ b/html/subx/apps/handle.subx.html @@ -86,340 +86,335 @@ if ('onhashchange' in window) { <span id="L25" class="LineNr"> 25 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L26" class="LineNr"> 26 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L27" class="LineNr"> 27 </span> -<span id="L28" class="LineNr"> 28 </span><span class="subxComment"># main:</span> -<span id="L29" class="LineNr"> 29 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> -<span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span> -<span id="L31" class="LineNr"> 31 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='../051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L32" class="LineNr"> 32 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L33" class="LineNr"> 33 </span> cd/syscall 0x80/imm8 -<span id="L34" class="LineNr"> 34 </span> -<span id="L35" class="LineNr"> 35 </span><span class="subxFunction">new</span>: <span class="subxComment"># ad : (address allocation-descriptor), n : int, out : (address handle)</span> -<span id="L36" class="LineNr"> 36 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L37" class="LineNr"> 37 </span> 55/push-EBP -<span id="L38" class="LineNr"> 38 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L39" class="LineNr"> 39 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L40" class="LineNr"> 40 </span> 50/push-EAX -<span id="L41" class="LineNr"> 41 </span> 51/push-ECX -<span id="L42" class="LineNr"> 42 </span> 52/push-EDX -<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># ECX = n+4</span> -<span id="L44" class="LineNr"> 44 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ECX</span> -<span id="L45" class="LineNr"> 45 </span> 81 0/subop/add 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ECX</span> -<span id="L46" class="LineNr"> 46 </span> <span class="subxComment"># EAX = allocate(ad, ECX)</span> -<span id="L47" class="LineNr"> 47 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L48" class="LineNr"> 48 </span> 51/push-ECX -<span id="L49" class="LineNr"> 49 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L50" class="LineNr"> 50 </span> <span class="subxS2Comment"># . . call</span> -<span id="L51" class="LineNr"> 51 </span> e8/call <a href='../069allocate.subx.html#L41'>allocate</a>/disp32 -<span id="L52" class="LineNr"> 52 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L53" class="LineNr"> 53 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L54" class="LineNr"> 54 </span> <span class="subxComment"># EDX = out</span> -<span id="L55" class="LineNr"> 55 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDX</span> -<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># out->address = EAX</span> -<span id="L57" class="LineNr"> 57 </span> 89/copy 1/mod/*+disp8 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(EDX+4)</span> -<span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># if (EAX == 0) out->alloc_id = 0, return</span> -<span id="L59" class="LineNr"> 59 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> -<span id="L60" class="LineNr"> 60 </span> 75/jump-if-not-equal $new:continue/disp8 -<span id="L61" class="LineNr"> 61 </span> c7 0/subop/copy 0/mod/indirect 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EDX</span> -<span id="L62" class="LineNr"> 62 </span> eb/jump $new:end/disp8 -<span id="L63" class="LineNr"> 63 </span><span class="Constant">$new:continue</span>: -<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># otherwise:</span> -<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># ECX = *Next-alloc-id</span> -<span id="L66" class="LineNr"> 66 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="SpecialChar"><a href='handle.subx.html#L358'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># copy *Next-alloc-id to ECX</span> -<span id="L67" class="LineNr"> 67 </span> <span class="subxComment"># *EAX = *Next-alloc-id/ECX</span> -<span id="L68" class="LineNr"> 68 </span> 89/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *EAX</span> -<span id="L69" class="LineNr"> 69 </span> <span class="subxComment"># out->alloc_id = *Next-alloc-id</span> -<span id="L70" class="LineNr"> 70 </span> 89/copy 0/mod/indirect 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *EDX</span> -<span id="L71" class="LineNr"> 71 </span> <span class="subxComment"># increment *Next-alloc-id</span> -<span id="L72" class="LineNr"> 72 </span> ff 0/subop/increment 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L358'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># increment *Next-alloc-id</span> -<span id="L73" class="LineNr"> 73 </span><span class="Constant">$new:end</span>: -<span id="L74" class="LineNr"> 74 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L75" class="LineNr"> 75 </span> 5a/pop-to-EDX -<span id="L76" class="LineNr"> 76 </span> 59/pop-to-ECX -<span id="L77" class="LineNr"> 77 </span> 58/pop-to-EAX -<span id="L78" class="LineNr"> 78 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L79" class="LineNr"> 79 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L80" class="LineNr"> 80 </span> 5d/pop-to-EBP -<span id="L81" class="LineNr"> 81 </span> c3/return -<span id="L82" class="LineNr"> 82 </span> -<span id="L83" class="LineNr"> 83 </span><span class="subxTest">test-new</span>: -<span id="L84" class="LineNr"> 84 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L85" class="LineNr"> 85 </span> 55/push-EBP -<span id="L86" class="LineNr"> 86 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L87" class="LineNr"> 87 </span> <span class="subxComment"># *Next-alloc-id = 0x34</span> -<span id="L88" class="LineNr"> 88 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L358'>Next-alloc-id</a></span>/disp32 0x34/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> -<span id="L89" class="LineNr"> 89 </span> <span class="subxComment"># var handle/ECX = {0, 0}</span> -<span id="L90" class="LineNr"> 90 </span> 68/push 0/imm32/address -<span id="L91" class="LineNr"> 91 </span> 68/push 0/imm32/alloc-id -<span id="L92" class="LineNr"> 92 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># new(Heap, 2, handle/ECX)</span> -<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L95" class="LineNr"> 95 </span> 51/push-ECX -<span id="L96" class="LineNr"> 96 </span> 68/push 2/imm32/size -<span id="L97" class="LineNr"> 97 </span> 68/push <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/imm32 -<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . call</span> -<span id="L99" class="LineNr"> 99 </span> e8/call <a href='handle.subx.html#L35'>new</a>/disp32 -<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L101" class="LineNr">101 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L102" class="LineNr">102 </span> <span class="subxComment"># check-ints-equal(handle->alloc_id, 0x34, msg)</span> -<span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L104" class="LineNr">104 </span> 68/push <span class="Constant">"F - <a href='handle.subx.html#L83'>test-new</a>: alloc id of handle"</span>/imm32 -<span id="L105" class="LineNr">105 </span> 68/push 0x34/imm32 -<span id="L106" class="LineNr">106 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ECX</span> -<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . call</span> -<span id="L108" class="LineNr">108 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L109" class="LineNr">109 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L110" class="LineNr">110 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L111" class="LineNr">111 </span> <span class="subxComment"># check-ints-equal(*handle->address, 0x34, msg)</span> -<span id="L112" class="LineNr">112 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L113" class="LineNr">113 </span> 68/push <span class="Constant">"F - <a href='handle.subx.html#L83'>test-new</a>: alloc id of payload"</span>/imm32 -<span id="L114" class="LineNr">114 </span> 68/push 0x34/imm32 -<span id="L115" class="LineNr">115 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EDX</span> -<span id="L116" class="LineNr">116 </span> ff 6/subop/push 0/mod/indirect 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *EDX</span> -<span id="L117" class="LineNr">117 </span> <span class="subxS2Comment"># . . call</span> -<span id="L118" class="LineNr">118 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L119" class="LineNr">119 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L120" class="LineNr">120 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L121" class="LineNr">121 </span> <span class="subxComment"># check-ints-equal(*Next-alloc-id, 0x35)</span> -<span id="L122" class="LineNr">122 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L123" class="LineNr">123 </span> 68/push <span class="Constant">"F - <a href='handle.subx.html#L83'>test-new</a>: next alloc id"</span>/imm32 -<span id="L124" class="LineNr">124 </span> 68/push 0x35/imm32 -<span id="L125" class="LineNr">125 </span> ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L358'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># copy to *Next-alloc-id</span> -<span id="L126" class="LineNr">126 </span> <span class="subxS2Comment"># . . call</span> -<span id="L127" class="LineNr">127 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L129" class="LineNr">129 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L130" class="LineNr">130 </span> <span class="subxComment"># clean up</span> -<span id="L131" class="LineNr">131 </span> <span class="subxS1Comment"># . *Next-alloc-id = 1</span> -<span id="L132" class="LineNr">132 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L358'>Next-alloc-id</a></span>/disp32 1/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> -<span id="L133" class="LineNr">133 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L134" class="LineNr">134 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L135" class="LineNr">135 </span> 5d/pop-to-EBP -<span id="L136" class="LineNr">136 </span> c3/return -<span id="L137" class="LineNr">137 </span> -<span id="L138" class="LineNr">138 </span><span class="subxTest">test-new-failure</span>: -<span id="L139" class="LineNr">139 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L140" class="LineNr">140 </span> 55/push-EBP -<span id="L141" class="LineNr">141 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L142" class="LineNr">142 </span> <span class="subxS1Comment"># . *Next-alloc-id = 0x34</span> -<span id="L143" class="LineNr">143 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L358'>Next-alloc-id</a></span>/disp32 0x34/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> -<span id="L144" class="LineNr">144 </span> <span class="subxComment"># define an allocation-descriptor with no space left</span> -<span id="L145" class="LineNr">145 </span> <span class="subxS1Comment"># . var ad/EAX : (address allocation-descriptor) = {0x10, 0x10}</span> -<span id="L146" class="LineNr">146 </span> 68/push 0x10/imm32/limit -<span id="L147" class="LineNr">147 </span> 68/push 0x10/imm32/curr -<span id="L148" class="LineNr">148 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> -<span id="L149" class="LineNr">149 </span> <span class="subxS1Comment"># . var handle/ECX = {random, random}</span> -<span id="L150" class="LineNr">150 </span> 68/push 1234/imm32/address -<span id="L151" class="LineNr">151 </span> 68/push 5678/imm32/alloc-id -<span id="L152" class="LineNr">152 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L153" class="LineNr">153 </span> <span class="subxComment"># try to allocate</span> -<span id="L154" class="LineNr">154 </span> <span class="subxS1Comment"># . new(ad, 2, handle/ECX)</span> -<span id="L155" class="LineNr">155 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L156" class="LineNr">156 </span> 51/push-ECX -<span id="L157" class="LineNr">157 </span> 68/push 2/imm32/size -<span id="L158" class="LineNr">158 </span> 50/push-EAX -<span id="L159" class="LineNr">159 </span> <span class="subxS2Comment"># . . call</span> -<span id="L160" class="LineNr">160 </span> e8/call <a href='handle.subx.html#L35'>new</a>/disp32 -<span id="L161" class="LineNr">161 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L162" class="LineNr">162 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L163" class="LineNr">163 </span> <span class="subxComment"># handle should be cleared</span> -<span id="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . check-ints-equal(handle->alloc_id, 0, msg)</span> -<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L166" class="LineNr">166 </span> 68/push <span class="Constant">"F - <a href='handle.subx.html#L138'>test-new-failure</a>: alloc id of handle"</span>/imm32 -<span id="L167" class="LineNr">167 </span> 68/push 0/imm32 -<span id="L168" class="LineNr">168 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ECX</span> -<span id="L169" class="LineNr">169 </span> <span class="subxS2Comment"># . . call</span> -<span id="L170" class="LineNr">170 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L171" class="LineNr">171 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L172" class="LineNr">172 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L173" class="LineNr">173 </span> <span class="subxS1Comment"># . check-ints-equal(handle->address, 0, msg)</span> -<span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L175" class="LineNr">175 </span> 68/push <span class="Constant">"F - <a href='handle.subx.html#L138'>test-new-failure</a>: address of handle"</span>/imm32 -<span id="L176" class="LineNr">176 </span> 68/push 0/imm32 -<span id="L177" class="LineNr">177 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . call</span> -<span id="L179" class="LineNr">179 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L181" class="LineNr">181 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L182" class="LineNr">182 </span> <span class="subxComment"># Next-alloc-id should be unmodified</span> -<span id="L183" class="LineNr">183 </span> <span class="subxS1Comment"># . check-ints-equal(*Next-alloc-id, 0x34)</span> -<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L185" class="LineNr">185 </span> 68/push <span class="Constant">"F - <a href='handle.subx.html#L138'>test-new-failure</a>: next alloc id"</span>/imm32 -<span id="L186" class="LineNr">186 </span> 68/push 0x34/imm32 -<span id="L187" class="LineNr">187 </span> ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L358'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># copy to *Next-alloc-id</span> -<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . call</span> -<span id="L189" class="LineNr">189 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L190" class="LineNr">190 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L191" class="LineNr">191 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L192" class="LineNr">192 </span> <span class="subxComment"># clean up</span> -<span id="L193" class="LineNr">193 </span> <span class="subxS1Comment"># . *Next-alloc-id = 1</span> -<span id="L194" class="LineNr">194 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L358'>Next-alloc-id</a></span>/disp32 1/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> -<span id="L195" class="LineNr">195 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L196" class="LineNr">196 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L197" class="LineNr">197 </span> 5d/pop-to-EBP -<span id="L198" class="LineNr">198 </span> c3/return -<span id="L199" class="LineNr">199 </span> -<span id="L200" class="LineNr">200 </span><span class="subxFunction">lookup</span>: <span class="subxComment"># h : (handle T) -> EAX : (address T)</span> -<span id="L201" class="LineNr">201 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L202" class="LineNr">202 </span> 55/push-EBP -<span id="L203" class="LineNr">203 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L204" class="LineNr">204 </span> <span class="subxH1Comment"># - as a proof of concept for future inlining, uses no general-purpose registers besides the output (EAX)</span> -<span id="L205" class="LineNr">205 </span> <span class="subxComment"># EAX = handle</span> -<span id="L206" class="LineNr">206 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> -<span id="L207" class="LineNr">207 </span> <span class="subxH1Comment"># - inline {</span> -<span id="L208" class="LineNr">208 </span> <span class="subxComment"># push handle->address</span> -<span id="L209" class="LineNr">209 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> -<span id="L210" class="LineNr">210 </span> <span class="subxComment"># EAX = handle->alloc_id</span> -<span id="L211" class="LineNr">211 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to EAX</span> -<span id="L212" class="LineNr">212 </span> <span class="subxComment"># if (EAX != *ESP) abort</span> -<span id="L213" class="LineNr">213 </span> 39/compare 0/mod/indirect 4/rm32/sib 4/base/ESP 4/index/none <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *ESP and EAX</span> -<span id="L214" class="LineNr">214 </span> 75/jump-if-not-equal $lookup:fail/disp8 -<span id="L215" class="LineNr">215 </span> <span class="subxComment"># return ESP+4</span> -<span id="L216" class="LineNr">216 </span> 58/pop-to-EAX -<span id="L217" class="LineNr">217 </span> 05/add-to-EAX 4/imm32 -<span id="L218" class="LineNr">218 </span> <span class="subxH1Comment"># - }</span> -<span id="L219" class="LineNr">219 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L220" class="LineNr">220 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L221" class="LineNr">221 </span> 5d/pop-to-EBP -<span id="L222" class="LineNr">222 </span> c3/return -<span id="L223" class="LineNr">223 </span><span class="Constant">$lookup:fail</span>: -<span id="L224" class="LineNr">224 </span> <span class="subxS1Comment"># . _write(2/stderr, msg)</span> -<span id="L225" class="LineNr">225 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L226" class="LineNr">226 </span> 68/push <span class="Constant">"lookup failed"</span>/imm32 -<span id="L227" class="LineNr">227 </span> 68/push 2/imm32/stderr -<span id="L228" class="LineNr">228 </span> <span class="subxS2Comment"># . . call</span> -<span id="L229" class="LineNr">229 </span> e8/call <a href='../050_write.subx.html#L14'>_write</a>/disp32 -<span id="L230" class="LineNr">230 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L231" class="LineNr">231 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L232" class="LineNr">232 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span> -<span id="L233" class="LineNr">233 </span> bb/copy-to-EBX 1/imm32/exit-status -<span id="L234" class="LineNr">234 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L235" class="LineNr">235 </span> cd/syscall 0x80/imm8 -<span id="L236" class="LineNr">236 </span> -<span id="L237" class="LineNr">237 </span><span class="subxTest">test-lookup-success</span>: -<span id="L238" class="LineNr">238 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L239" class="LineNr">239 </span> 55/push-EBP -<span id="L240" class="LineNr">240 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L241" class="LineNr">241 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L242" class="LineNr">242 </span> <span class="subxComment"># var handle/ECX = {0, 0}</span> -<span id="L243" class="LineNr">243 </span> 68/push 0/imm32/address -<span id="L244" class="LineNr">244 </span> 68/push 0/imm32/alloc-id -<span id="L245" class="LineNr">245 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L246" class="LineNr">246 </span> <span class="subxComment"># var old_top/EDX = Heap->curr</span> -<span id="L247" class="LineNr">247 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy *Heap to EDX</span> -<span id="L248" class="LineNr">248 </span> <span class="subxComment"># new(Heap, 2, handle)</span> -<span id="L249" class="LineNr">249 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L250" class="LineNr">250 </span> 51/push-ECX -<span id="L251" class="LineNr">251 </span> 68/push 2/imm32/size -<span id="L252" class="LineNr">252 </span> 68/push <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/imm32 -<span id="L253" class="LineNr">253 </span> <span class="subxS2Comment"># . . call</span> -<span id="L254" class="LineNr">254 </span> e8/call <a href='handle.subx.html#L35'>new</a>/disp32 -<span id="L255" class="LineNr">255 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L256" class="LineNr">256 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L257" class="LineNr">257 </span> <span class="subxComment"># EAX = lookup(handle)</span> -<span id="L258" class="LineNr">258 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L259" class="LineNr">259 </span> 51/push-ECX -<span id="L260" class="LineNr">260 </span> <span class="subxS2Comment"># . . call</span> -<span id="L261" class="LineNr">261 </span> e8/call <a href='handle.subx.html#L200'>lookup</a>/disp32 -<span id="L262" class="LineNr">262 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L263" class="LineNr">263 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L264" class="LineNr">264 </span> <span class="subxComment"># EAX contains old top of Heap, except skipping the alloc id in the payload</span> -<span id="L265" class="LineNr">265 </span> <span class="subxS1Comment"># . check-ints-equal(EAX, old_top+4, msg)</span> -<span id="L266" class="LineNr">266 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L267" class="LineNr">267 </span> 68/push <span class="Constant">"F - test-lookup-success"</span>/imm32 -<span id="L268" class="LineNr">268 </span> 81 0/subop/add 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to EDX</span> -<span id="L269" class="LineNr">269 </span> 52/push-EDX -<span id="L270" class="LineNr">270 </span> 50/push-EAX -<span id="L271" class="LineNr">271 </span> <span class="subxS2Comment"># . . call</span> -<span id="L272" class="LineNr">272 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L273" class="LineNr">273 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L274" class="LineNr">274 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L275" class="LineNr">275 </span> <span class="subxComment"># clean up</span> -<span id="L276" class="LineNr">276 </span> <span class="subxS1Comment"># . *Next-alloc-id = 1</span> -<span id="L277" class="LineNr">277 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L358'>Next-alloc-id</a></span>/disp32 1/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> -<span id="L278" class="LineNr">278 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L279" class="LineNr">279 </span> 5a/pop-to-EDX -<span id="L280" class="LineNr">280 </span> 59/pop-to-ECX -<span id="L281" class="LineNr">281 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L282" class="LineNr">282 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L283" class="LineNr">283 </span> 5d/pop-to-EBP -<span id="L284" class="LineNr">284 </span> c3/return -<span id="L285" class="LineNr">285 </span> -<span id="L286" class="LineNr">286 </span><span class="subxTest">test-lookup-failure</span>: -<span id="L287" class="LineNr">287 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L288" class="LineNr">288 </span> 55/push-EBP -<span id="L289" class="LineNr">289 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L290" class="LineNr">290 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L291" class="LineNr">291 </span> 50/push-EAX -<span id="L292" class="LineNr">292 </span> 51/push-ECX -<span id="L293" class="LineNr">293 </span> 52/push-EDX -<span id="L294" class="LineNr">294 </span> <span class="subxComment"># var h1/ECX = {0, 0}</span> -<span id="L295" class="LineNr">295 </span> 68/push 0/imm32/address -<span id="L296" class="LineNr">296 </span> 68/push 0/imm32/alloc-id -<span id="L297" class="LineNr">297 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L298" class="LineNr">298 </span> <span class="subxComment"># var old_top/EBX = Heap->curr</span> -<span id="L299" class="LineNr">299 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy *Heap to EBX</span> -<span id="L300" class="LineNr">300 </span> <span class="subxComment"># first allocation, to h1</span> -<span id="L301" class="LineNr">301 </span> <span class="subxS1Comment"># . new(Heap, 2, h1)</span> -<span id="L302" class="LineNr">302 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L303" class="LineNr">303 </span> 51/push-ECX -<span id="L304" class="LineNr">304 </span> 68/push 2/imm32/size -<span id="L305" class="LineNr">305 </span> 68/push <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/imm32 -<span id="L306" class="LineNr">306 </span> <span class="subxS2Comment"># . . call</span> -<span id="L307" class="LineNr">307 </span> e8/call <a href='handle.subx.html#L35'>new</a>/disp32 -<span id="L308" class="LineNr">308 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L309" class="LineNr">309 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L310" class="LineNr">310 </span> <span class="subxComment"># reset Heap->curr to mimic reclamation</span> -<span id="L311" class="LineNr">311 </span> 89/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy EBX to *Heap</span> -<span id="L312" class="LineNr">312 </span> <span class="subxComment"># second allocation that returns the same address as the first</span> -<span id="L313" class="LineNr">313 </span> <span class="subxComment"># var h2/EDX = {0, 0}</span> -<span id="L314" class="LineNr">314 </span> 68/push 0/imm32/address -<span id="L315" class="LineNr">315 </span> 68/push 0/imm32/alloc-id -<span id="L316" class="LineNr">316 </span> 89/copy 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDX</span> -<span id="L317" class="LineNr">317 </span> <span class="subxS1Comment"># . new(Heap, 2, h2)</span> -<span id="L318" class="LineNr">318 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L319" class="LineNr">319 </span> 52/push-EDX -<span id="L320" class="LineNr">320 </span> 68/push 2/imm32/size -<span id="L321" class="LineNr">321 </span> 68/push <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/imm32 -<span id="L322" class="LineNr">322 </span> <span class="subxS2Comment"># . . call</span> -<span id="L323" class="LineNr">323 </span> e8/call <a href='handle.subx.html#L35'>new</a>/disp32 -<span id="L324" class="LineNr">324 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L325" class="LineNr">325 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L326" class="LineNr">326 </span> <span class="subxComment"># check-ints-equal(h1->address, h2->address, msg)</span> -<span id="L327" class="LineNr">327 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L328" class="LineNr">328 </span> 68/push <span class="Constant">"F - test-lookup-failure"</span>/imm32 -<span id="L329" class="LineNr">329 </span> ff 6/subop/push 1/mod/*+disp8 2/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EDX+4)</span> -<span id="L330" class="LineNr">330 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L331" class="LineNr">331 </span> <span class="subxS2Comment"># . . call</span> -<span id="L332" class="LineNr">332 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L333" class="LineNr">333 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L334" class="LineNr">334 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L335" class="LineNr">335 </span> <span class="subxComment"># lookup(h1) should crash</span> -<span id="L336" class="LineNr">336 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L337" class="LineNr">337 </span> 51/push-ECX -<span id="L338" class="LineNr">338 </span> <span class="subxS2Comment"># . . call</span> -<span id="L339" class="LineNr">339 </span> e8/call <a href='handle.subx.html#L200'>lookup</a>/disp32 -<span id="L340" class="LineNr">340 </span> <span class="subxComment"># should never get past this point</span> -<span id="L341" class="LineNr">341 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L342" class="LineNr">342 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L343" class="LineNr">343 </span> <span class="subxComment"># clean up</span> -<span id="L344" class="LineNr">344 </span> <span class="subxS1Comment"># . *Next-alloc-id = 1</span> -<span id="L345" class="LineNr">345 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L358'>Next-alloc-id</a></span>/disp32 1/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> -<span id="L346" class="LineNr">346 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L347" class="LineNr">347 </span> 5a/pop-to-EDX -<span id="L348" class="LineNr">348 </span> 59/pop-to-ECX -<span id="L349" class="LineNr">349 </span> 58/pop-to-EAX -<span id="L350" class="LineNr">350 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L351" class="LineNr">351 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L352" class="LineNr">352 </span> 5d/pop-to-EBP -<span id="L353" class="LineNr">353 </span> c3/return -<span id="L354" class="LineNr">354 </span> -<span id="L355" class="LineNr">355 </span>== data -<span id="L356" class="LineNr">356 </span> -<span id="L357" class="LineNr">357 </span><span class="subxComment"># Monotonically increasing counter for calls to 'new'</span> -<span id="L358" class="LineNr">358 </span><span class="SpecialChar">Next-alloc-id</span>: -<span id="L359" class="LineNr">359 </span> 01 00 00 00 <span class="subxComment"># 1</span> -<span id="L360" class="LineNr">360 </span> -<span id="L361" class="LineNr">361 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L28" class="LineNr"> 28 </span><span class="subxComment"># no Entry; the standard library runs all tests by default</span> +<span id="L29" class="LineNr"> 29 </span> +<span id="L30" class="LineNr"> 30 </span><span class="subxFunction">new</span>: <span class="subxComment"># ad : (address allocation-descriptor), n : int, out : (address handle)</span> +<span id="L31" class="LineNr"> 31 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L32" class="LineNr"> 32 </span> 55/push-EBP +<span id="L33" class="LineNr"> 33 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L34" class="LineNr"> 34 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L35" class="LineNr"> 35 </span> 50/push-EAX +<span id="L36" class="LineNr"> 36 </span> 51/push-ECX +<span id="L37" class="LineNr"> 37 </span> 52/push-EDX +<span id="L38" class="LineNr"> 38 </span> <span class="subxComment"># ECX = n+4</span> +<span id="L39" class="LineNr"> 39 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ECX</span> +<span id="L40" class="LineNr"> 40 </span> 81 0/subop/add 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ECX</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># EAX = allocate(ad, ECX)</span> +<span id="L42" class="LineNr"> 42 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L43" class="LineNr"> 43 </span> 51/push-ECX +<span id="L44" class="LineNr"> 44 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L45" class="LineNr"> 45 </span> <span class="subxS2Comment"># . . call</span> +<span id="L46" class="LineNr"> 46 </span> e8/call <a href='../069allocate.subx.html#L34'>allocate</a>/disp32 +<span id="L47" class="LineNr"> 47 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L48" class="LineNr"> 48 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># EDX = out</span> +<span id="L50" class="LineNr"> 50 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDX</span> +<span id="L51" class="LineNr"> 51 </span> <span class="subxComment"># out->address = EAX</span> +<span id="L52" class="LineNr"> 52 </span> 89/copy 1/mod/*+disp8 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(EDX+4)</span> +<span id="L53" class="LineNr"> 53 </span> <span class="subxComment"># if (EAX == 0) out->alloc_id = 0, return</span> +<span id="L54" class="LineNr"> 54 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> +<span id="L55" class="LineNr"> 55 </span> 75/jump-if-not-equal $new:continue/disp8 +<span id="L56" class="LineNr"> 56 </span> c7 0/subop/copy 0/mod/indirect 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EDX</span> +<span id="L57" class="LineNr"> 57 </span> eb/jump $new:end/disp8 +<span id="L58" class="LineNr"> 58 </span><span class="Constant">$new:continue</span>: +<span id="L59" class="LineNr"> 59 </span> <span class="subxComment"># otherwise:</span> +<span id="L60" class="LineNr"> 60 </span> <span class="subxComment"># ECX = *Next-alloc-id</span> +<span id="L61" class="LineNr"> 61 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="SpecialChar"><a href='handle.subx.html#L353'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># copy *Next-alloc-id to ECX</span> +<span id="L62" class="LineNr"> 62 </span> <span class="subxComment"># *EAX = *Next-alloc-id/ECX</span> +<span id="L63" class="LineNr"> 63 </span> 89/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *EAX</span> +<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># out->alloc_id = *Next-alloc-id</span> +<span id="L65" class="LineNr"> 65 </span> 89/copy 0/mod/indirect 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ECX to *EDX</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># increment *Next-alloc-id</span> +<span id="L67" class="LineNr"> 67 </span> ff 0/subop/increment 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L353'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># increment *Next-alloc-id</span> +<span id="L68" class="LineNr"> 68 </span><span class="Constant">$new:end</span>: +<span id="L69" class="LineNr"> 69 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L70" class="LineNr"> 70 </span> 5a/pop-to-EDX +<span id="L71" class="LineNr"> 71 </span> 59/pop-to-ECX +<span id="L72" class="LineNr"> 72 </span> 58/pop-to-EAX +<span id="L73" class="LineNr"> 73 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L74" class="LineNr"> 74 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L75" class="LineNr"> 75 </span> 5d/pop-to-EBP +<span id="L76" class="LineNr"> 76 </span> c3/return +<span id="L77" class="LineNr"> 77 </span> +<span id="L78" class="LineNr"> 78 </span><span class="subxTest">test-new</span>: +<span id="L79" class="LineNr"> 79 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L80" class="LineNr"> 80 </span> 55/push-EBP +<span id="L81" class="LineNr"> 81 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L82" class="LineNr"> 82 </span> <span class="subxComment"># *Next-alloc-id = 0x34</span> +<span id="L83" class="LineNr"> 83 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L353'>Next-alloc-id</a></span>/disp32 0x34/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L84" class="LineNr"> 84 </span> <span class="subxComment"># var handle/ECX = {0, 0}</span> +<span id="L85" class="LineNr"> 85 </span> 68/push 0/imm32/address +<span id="L86" class="LineNr"> 86 </span> 68/push 0/imm32/alloc-id +<span id="L87" class="LineNr"> 87 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L88" class="LineNr"> 88 </span> <span class="subxComment"># new(Heap, 2, handle/ECX)</span> +<span id="L89" class="LineNr"> 89 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L90" class="LineNr"> 90 </span> 51/push-ECX +<span id="L91" class="LineNr"> 91 </span> 68/push 2/imm32/size +<span id="L92" class="LineNr"> 92 </span> 68/push <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/imm32 +<span id="L93" class="LineNr"> 93 </span> <span class="subxS2Comment"># . . call</span> +<span id="L94" class="LineNr"> 94 </span> e8/call <a href='handle.subx.html#L30'>new</a>/disp32 +<span id="L95" class="LineNr"> 95 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L96" class="LineNr"> 96 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L97" class="LineNr"> 97 </span> <span class="subxComment"># check-ints-equal(handle->alloc_id, 0x34, msg)</span> +<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L99" class="LineNr"> 99 </span> 68/push <span class="Constant">"F - <a href='handle.subx.html#L78'>test-new</a>: alloc id of handle"</span>/imm32 +<span id="L100" class="LineNr">100 </span> 68/push 0x34/imm32 +<span id="L101" class="LineNr">101 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ECX</span> +<span id="L102" class="LineNr">102 </span> <span class="subxS2Comment"># . . call</span> +<span id="L103" class="LineNr">103 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L104" class="LineNr">104 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L105" class="LineNr">105 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L106" class="LineNr">106 </span> <span class="subxComment"># check-ints-equal(*handle->address, 0x34, msg)</span> +<span id="L107" class="LineNr">107 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L108" class="LineNr">108 </span> 68/push <span class="Constant">"F - <a href='handle.subx.html#L78'>test-new</a>: alloc id of payload"</span>/imm32 +<span id="L109" class="LineNr">109 </span> 68/push 0x34/imm32 +<span id="L110" class="LineNr">110 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EDX</span> +<span id="L111" class="LineNr">111 </span> ff 6/subop/push 0/mod/indirect 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *EDX</span> +<span id="L112" class="LineNr">112 </span> <span class="subxS2Comment"># . . call</span> +<span id="L113" class="LineNr">113 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L115" class="LineNr">115 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L116" class="LineNr">116 </span> <span class="subxComment"># check-ints-equal(*Next-alloc-id, 0x35)</span> +<span id="L117" class="LineNr">117 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L118" class="LineNr">118 </span> 68/push <span class="Constant">"F - <a href='handle.subx.html#L78'>test-new</a>: next alloc id"</span>/imm32 +<span id="L119" class="LineNr">119 </span> 68/push 0x35/imm32 +<span id="L120" class="LineNr">120 </span> ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L353'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L121" class="LineNr">121 </span> <span class="subxS2Comment"># . . call</span> +<span id="L122" class="LineNr">122 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L123" class="LineNr">123 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L124" class="LineNr">124 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L125" class="LineNr">125 </span> <span class="subxComment"># clean up</span> +<span id="L126" class="LineNr">126 </span> <span class="subxS1Comment"># . *Next-alloc-id = 1</span> +<span id="L127" class="LineNr">127 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L353'>Next-alloc-id</a></span>/disp32 1/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L128" class="LineNr">128 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L129" class="LineNr">129 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L130" class="LineNr">130 </span> 5d/pop-to-EBP +<span id="L131" class="LineNr">131 </span> c3/return +<span id="L132" class="LineNr">132 </span> +<span id="L133" class="LineNr">133 </span><span class="subxTest">test-new-failure</span>: +<span id="L134" class="LineNr">134 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L135" class="LineNr">135 </span> 55/push-EBP +<span id="L136" class="LineNr">136 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L137" class="LineNr">137 </span> <span class="subxS1Comment"># . *Next-alloc-id = 0x34</span> +<span id="L138" class="LineNr">138 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L353'>Next-alloc-id</a></span>/disp32 0x34/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L139" class="LineNr">139 </span> <span class="subxComment"># define an allocation-descriptor with no space left</span> +<span id="L140" class="LineNr">140 </span> <span class="subxS1Comment"># . var ad/EAX : (address allocation-descriptor) = {0x10, 0x10}</span> +<span id="L141" class="LineNr">141 </span> 68/push 0x10/imm32/limit +<span id="L142" class="LineNr">142 </span> 68/push 0x10/imm32/curr +<span id="L143" class="LineNr">143 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> +<span id="L144" class="LineNr">144 </span> <span class="subxS1Comment"># . var handle/ECX = {random, random}</span> +<span id="L145" class="LineNr">145 </span> 68/push 1234/imm32/address +<span id="L146" class="LineNr">146 </span> 68/push 5678/imm32/alloc-id +<span id="L147" class="LineNr">147 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L148" class="LineNr">148 </span> <span class="subxComment"># try to allocate</span> +<span id="L149" class="LineNr">149 </span> <span class="subxS1Comment"># . new(ad, 2, handle/ECX)</span> +<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L151" class="LineNr">151 </span> 51/push-ECX +<span id="L152" class="LineNr">152 </span> 68/push 2/imm32/size +<span id="L153" class="LineNr">153 </span> 50/push-EAX +<span id="L154" class="LineNr">154 </span> <span class="subxS2Comment"># . . call</span> +<span id="L155" class="LineNr">155 </span> e8/call <a href='handle.subx.html#L30'>new</a>/disp32 +<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L157" class="LineNr">157 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L158" class="LineNr">158 </span> <span class="subxComment"># handle should be cleared</span> +<span id="L159" class="LineNr">159 </span> <span class="subxS1Comment"># . check-ints-equal(handle->alloc_id, 0, msg)</span> +<span id="L160" class="LineNr">160 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L161" class="LineNr">161 </span> 68/push <span class="Constant">"F - <a href='handle.subx.html#L133'>test-new-failure</a>: alloc id of handle"</span>/imm32 +<span id="L162" class="LineNr">162 </span> 68/push 0/imm32 +<span id="L163" class="LineNr">163 </span> ff 6/subop/push 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ECX</span> +<span id="L164" class="LineNr">164 </span> <span class="subxS2Comment"># . . call</span> +<span id="L165" class="LineNr">165 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L166" class="LineNr">166 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L167" class="LineNr">167 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L168" class="LineNr">168 </span> <span class="subxS1Comment"># . check-ints-equal(handle->address, 0, msg)</span> +<span id="L169" class="LineNr">169 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L170" class="LineNr">170 </span> 68/push <span class="Constant">"F - <a href='handle.subx.html#L133'>test-new-failure</a>: address of handle"</span>/imm32 +<span id="L171" class="LineNr">171 </span> 68/push 0/imm32 +<span id="L172" class="LineNr">172 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L173" class="LineNr">173 </span> <span class="subxS2Comment"># . . call</span> +<span id="L174" class="LineNr">174 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L175" class="LineNr">175 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L176" class="LineNr">176 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L177" class="LineNr">177 </span> <span class="subxComment"># Next-alloc-id should be unmodified</span> +<span id="L178" class="LineNr">178 </span> <span class="subxS1Comment"># . check-ints-equal(*Next-alloc-id, 0x34)</span> +<span id="L179" class="LineNr">179 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L180" class="LineNr">180 </span> 68/push <span class="Constant">"F - <a href='handle.subx.html#L133'>test-new-failure</a>: next alloc id"</span>/imm32 +<span id="L181" class="LineNr">181 </span> 68/push 0x34/imm32 +<span id="L182" class="LineNr">182 </span> ff 6/subop/push 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L353'>Next-alloc-id</a></span>/disp32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L183" class="LineNr">183 </span> <span class="subxS2Comment"># . . call</span> +<span id="L184" class="LineNr">184 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L186" class="LineNr">186 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L187" class="LineNr">187 </span> <span class="subxComment"># clean up</span> +<span id="L188" class="LineNr">188 </span> <span class="subxS1Comment"># . *Next-alloc-id = 1</span> +<span id="L189" class="LineNr">189 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L353'>Next-alloc-id</a></span>/disp32 1/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L190" class="LineNr">190 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L191" class="LineNr">191 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L192" class="LineNr">192 </span> 5d/pop-to-EBP +<span id="L193" class="LineNr">193 </span> c3/return +<span id="L194" class="LineNr">194 </span> +<span id="L195" class="LineNr">195 </span><span class="subxFunction">lookup</span>: <span class="subxComment"># h : (handle T) -> EAX : (address T)</span> +<span id="L196" class="LineNr">196 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L197" class="LineNr">197 </span> 55/push-EBP +<span id="L198" class="LineNr">198 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L199" class="LineNr">199 </span> <span class="subxH1Comment"># - as a proof of concept for future inlining, uses no general-purpose registers besides the output (EAX)</span> +<span id="L200" class="LineNr">200 </span> <span class="subxComment"># EAX = handle</span> +<span id="L201" class="LineNr">201 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EAX</span> +<span id="L202" class="LineNr">202 </span> <span class="subxH1Comment"># - inline {</span> +<span id="L203" class="LineNr">203 </span> <span class="subxComment"># push handle->address</span> +<span id="L204" class="LineNr">204 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+4)</span> +<span id="L205" class="LineNr">205 </span> <span class="subxComment"># EAX = handle->alloc_id</span> +<span id="L206" class="LineNr">206 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to EAX</span> +<span id="L207" class="LineNr">207 </span> <span class="subxComment"># if (EAX != *ESP) abort</span> +<span id="L208" class="LineNr">208 </span> 39/compare 0/mod/indirect 4/rm32/sib 4/base/ESP 4/index/none <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *ESP and EAX</span> +<span id="L209" class="LineNr">209 </span> 75/jump-if-not-equal $lookup:fail/disp8 +<span id="L210" class="LineNr">210 </span> <span class="subxComment"># return ESP+4</span> +<span id="L211" class="LineNr">211 </span> 58/pop-to-EAX +<span id="L212" class="LineNr">212 </span> 05/add-to-EAX 4/imm32 +<span id="L213" class="LineNr">213 </span> <span class="subxH1Comment"># - }</span> +<span id="L214" class="LineNr">214 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L215" class="LineNr">215 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L216" class="LineNr">216 </span> 5d/pop-to-EBP +<span id="L217" class="LineNr">217 </span> c3/return +<span id="L218" class="LineNr">218 </span><span class="Constant">$lookup:fail</span>: +<span id="L219" class="LineNr">219 </span> <span class="subxS1Comment"># . _write(2/stderr, msg)</span> +<span id="L220" class="LineNr">220 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L221" class="LineNr">221 </span> 68/push <span class="Constant">"lookup failed"</span>/imm32 +<span id="L222" class="LineNr">222 </span> 68/push 2/imm32/stderr +<span id="L223" class="LineNr">223 </span> <span class="subxS2Comment"># . . call</span> +<span id="L224" class="LineNr">224 </span> e8/call <a href='../050_write.subx.html#L14'>_write</a>/disp32 +<span id="L225" class="LineNr">225 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L226" class="LineNr">226 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L227" class="LineNr">227 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span> +<span id="L228" class="LineNr">228 </span> bb/copy-to-EBX 1/imm32/exit-status +<span id="L229" class="LineNr">229 </span> b8/copy-to-EAX 1/imm32/exit +<span id="L230" class="LineNr">230 </span> cd/syscall 0x80/imm8 +<span id="L231" class="LineNr">231 </span> +<span id="L232" class="LineNr">232 </span><span class="subxTest">test-lookup-success</span>: +<span id="L233" class="LineNr">233 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L234" class="LineNr">234 </span> 55/push-EBP +<span id="L235" class="LineNr">235 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L236" class="LineNr">236 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L237" class="LineNr">237 </span> <span class="subxComment"># var handle/ECX = {0, 0}</span> +<span id="L238" class="LineNr">238 </span> 68/push 0/imm32/address +<span id="L239" class="LineNr">239 </span> 68/push 0/imm32/alloc-id +<span id="L240" class="LineNr">240 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L241" class="LineNr">241 </span> <span class="subxComment"># var old_top/EDX = Heap->curr</span> +<span id="L242" class="LineNr">242 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy *Heap to EDX</span> +<span id="L243" class="LineNr">243 </span> <span class="subxComment"># new(Heap, 2, handle)</span> +<span id="L244" class="LineNr">244 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L245" class="LineNr">245 </span> 51/push-ECX +<span id="L246" class="LineNr">246 </span> 68/push 2/imm32/size +<span id="L247" class="LineNr">247 </span> 68/push <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/imm32 +<span id="L248" class="LineNr">248 </span> <span class="subxS2Comment"># . . call</span> +<span id="L249" class="LineNr">249 </span> e8/call <a href='handle.subx.html#L30'>new</a>/disp32 +<span id="L250" class="LineNr">250 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L251" class="LineNr">251 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L252" class="LineNr">252 </span> <span class="subxComment"># EAX = lookup(handle)</span> +<span id="L253" class="LineNr">253 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L254" class="LineNr">254 </span> 51/push-ECX +<span id="L255" class="LineNr">255 </span> <span class="subxS2Comment"># . . call</span> +<span id="L256" class="LineNr">256 </span> e8/call <a href='handle.subx.html#L195'>lookup</a>/disp32 +<span id="L257" class="LineNr">257 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L258" class="LineNr">258 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L259" class="LineNr">259 </span> <span class="subxComment"># EAX contains old top of Heap, except skipping the alloc id in the payload</span> +<span id="L260" class="LineNr">260 </span> <span class="subxS1Comment"># . check-ints-equal(EAX, old_top+4, msg)</span> +<span id="L261" class="LineNr">261 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L262" class="LineNr">262 </span> 68/push <span class="Constant">"F - test-lookup-success"</span>/imm32 +<span id="L263" class="LineNr">263 </span> 81 0/subop/add 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to EDX</span> +<span id="L264" class="LineNr">264 </span> 52/push-EDX +<span id="L265" class="LineNr">265 </span> 50/push-EAX +<span id="L266" class="LineNr">266 </span> <span class="subxS2Comment"># . . call</span> +<span id="L267" class="LineNr">267 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L268" class="LineNr">268 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L269" class="LineNr">269 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L270" class="LineNr">270 </span> <span class="subxComment"># clean up</span> +<span id="L271" class="LineNr">271 </span> <span class="subxS1Comment"># . *Next-alloc-id = 1</span> +<span id="L272" class="LineNr">272 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L353'>Next-alloc-id</a></span>/disp32 1/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L273" class="LineNr">273 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L274" class="LineNr">274 </span> 5a/pop-to-EDX +<span id="L275" class="LineNr">275 </span> 59/pop-to-ECX +<span id="L276" class="LineNr">276 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L277" class="LineNr">277 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L278" class="LineNr">278 </span> 5d/pop-to-EBP +<span id="L279" class="LineNr">279 </span> c3/return +<span id="L280" class="LineNr">280 </span> +<span id="L281" class="LineNr">281 </span><span class="subxTest">test-lookup-failure</span>: +<span id="L282" class="LineNr">282 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L283" class="LineNr">283 </span> 55/push-EBP +<span id="L284" class="LineNr">284 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L285" class="LineNr">285 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L286" class="LineNr">286 </span> 50/push-EAX +<span id="L287" class="LineNr">287 </span> 51/push-ECX +<span id="L288" class="LineNr">288 </span> 52/push-EDX +<span id="L289" class="LineNr">289 </span> <span class="subxComment"># var h1/ECX = {0, 0}</span> +<span id="L290" class="LineNr">290 </span> 68/push 0/imm32/address +<span id="L291" class="LineNr">291 </span> 68/push 0/imm32/alloc-id +<span id="L292" class="LineNr">292 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L293" class="LineNr">293 </span> <span class="subxComment"># var old_top/EBX = Heap->curr</span> +<span id="L294" class="LineNr">294 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy *Heap to EBX</span> +<span id="L295" class="LineNr">295 </span> <span class="subxComment"># first allocation, to h1</span> +<span id="L296" class="LineNr">296 </span> <span class="subxS1Comment"># . new(Heap, 2, h1)</span> +<span id="L297" class="LineNr">297 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L298" class="LineNr">298 </span> 51/push-ECX +<span id="L299" class="LineNr">299 </span> 68/push 2/imm32/size +<span id="L300" class="LineNr">300 </span> 68/push <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/imm32 +<span id="L301" class="LineNr">301 </span> <span class="subxS2Comment"># . . call</span> +<span id="L302" class="LineNr">302 </span> e8/call <a href='handle.subx.html#L30'>new</a>/disp32 +<span id="L303" class="LineNr">303 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L304" class="LineNr">304 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L305" class="LineNr">305 </span> <span class="subxComment"># reset Heap->curr to mimic reclamation</span> +<span id="L306" class="LineNr">306 </span> 89/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/disp32 <span class="Normal"> . </span> <span class="subxComment"># copy EBX to *Heap</span> +<span id="L307" class="LineNr">307 </span> <span class="subxComment"># second allocation that returns the same address as the first</span> +<span id="L308" class="LineNr">308 </span> <span class="subxComment"># var h2/EDX = {0, 0}</span> +<span id="L309" class="LineNr">309 </span> 68/push 0/imm32/address +<span id="L310" class="LineNr">310 </span> 68/push 0/imm32/alloc-id +<span id="L311" class="LineNr">311 </span> 89/copy 3/mod/direct 2/rm32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDX</span> +<span id="L312" class="LineNr">312 </span> <span class="subxS1Comment"># . new(Heap, 2, h2)</span> +<span id="L313" class="LineNr">313 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L314" class="LineNr">314 </span> 52/push-EDX +<span id="L315" class="LineNr">315 </span> 68/push 2/imm32/size +<span id="L316" class="LineNr">316 </span> 68/push <span class="SpecialChar"><a href='../069allocate.subx.html#L23'>Heap</a></span>/imm32 +<span id="L317" class="LineNr">317 </span> <span class="subxS2Comment"># . . call</span> +<span id="L318" class="LineNr">318 </span> e8/call <a href='handle.subx.html#L30'>new</a>/disp32 +<span id="L319" class="LineNr">319 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L320" class="LineNr">320 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L321" class="LineNr">321 </span> <span class="subxComment"># check-ints-equal(h1->address, h2->address, msg)</span> +<span id="L322" class="LineNr">322 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L323" class="LineNr">323 </span> 68/push <span class="Constant">"F - test-lookup-failure"</span>/imm32 +<span id="L324" class="LineNr">324 </span> ff 6/subop/push 1/mod/*+disp8 2/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EDX+4)</span> +<span id="L325" class="LineNr">325 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L326" class="LineNr">326 </span> <span class="subxS2Comment"># . . call</span> +<span id="L327" class="LineNr">327 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L328" class="LineNr">328 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L329" class="LineNr">329 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L330" class="LineNr">330 </span> <span class="subxComment"># lookup(h1) should crash</span> +<span id="L331" class="LineNr">331 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L332" class="LineNr">332 </span> 51/push-ECX +<span id="L333" class="LineNr">333 </span> <span class="subxS2Comment"># . . call</span> +<span id="L334" class="LineNr">334 </span> e8/call <a href='handle.subx.html#L195'>lookup</a>/disp32 +<span id="L335" class="LineNr">335 </span> <span class="subxComment"># should never get past this point</span> +<span id="L336" class="LineNr">336 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L337" class="LineNr">337 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L338" class="LineNr">338 </span> <span class="subxComment"># clean up</span> +<span id="L339" class="LineNr">339 </span> <span class="subxS1Comment"># . *Next-alloc-id = 1</span> +<span id="L340" class="LineNr">340 </span> c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="SpecialChar"><a href='handle.subx.html#L353'>Next-alloc-id</a></span>/disp32 1/imm32 <span class="subxComment"># copy to *Next-alloc-id</span> +<span id="L341" class="LineNr">341 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L342" class="LineNr">342 </span> 5a/pop-to-EDX +<span id="L343" class="LineNr">343 </span> 59/pop-to-ECX +<span id="L344" class="LineNr">344 </span> 58/pop-to-EAX +<span id="L345" class="LineNr">345 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L346" class="LineNr">346 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L347" class="LineNr">347 </span> 5d/pop-to-EBP +<span id="L348" class="LineNr">348 </span> c3/return +<span id="L349" class="LineNr">349 </span> +<span id="L350" class="LineNr">350 </span>== data +<span id="L351" class="LineNr">351 </span> +<span id="L352" class="LineNr">352 </span><span class="subxComment"># Monotonically increasing counter for calls to 'new'</span> +<span id="L353" class="LineNr">353 </span><span class="SpecialChar">Next-alloc-id</span>: +<span id="L354" class="LineNr">354 </span> 1/imm32 +<span id="L355" class="LineNr">355 </span> +<span id="L356" class="LineNr">356 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/apps/hex.subx.html b/html/subx/apps/hex.subx.html index 44caac4b..90e08318 100644 --- a/html/subx/apps/hex.subx.html +++ b/html/subx/apps/hex.subx.html @@ -18,13 +18,13 @@ a { color:inherit; } .subxS2Comment { color: #8a8a8a; } .LineNr { } .subxS1Comment { color: #0000af; } -.CommentedCode { color: #8a8a8a; } +.SpecialChar { color: #d70000; } .Constant { color: #008787; } .subxFunction { color: #af5f00; text-decoration: underline; } .subxMinorFunction { color: #875f5f; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } .subxTest { color: #5f8700; } -.SpecialChar { color: #d70000; } +.CommentedCode { color: #8a8a8a; } .subxH1Comment { color: #005faf; text-decoration: underline; } --> </style> @@ -80,1522 +80,1523 @@ if ('onhashchange' in window) { <span id="L17" class="LineNr"> 17 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L18" class="LineNr"> 18 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L19" class="LineNr"> 19 </span> -<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># for debugging: run a single test</span> -<span id="L21" class="LineNr"> 21 </span><span class="CommentedCode">#? e8/call test-skip-until-newline/disp32</span> -<span id="L22" class="LineNr"> 22 </span><span class="CommentedCode">#? 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX</span> -<span id="L23" class="LineNr"> 23 </span><span class="CommentedCode">#? eb/jump $main:end/disp8</span> -<span id="L24" class="LineNr"> 24 </span> -<span id="L25" class="LineNr"> 25 </span><span class="subxComment"># main: run tests if necessary, convert stdin if not</span> -<span id="L26" class="LineNr"> 26 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L27" class="LineNr"> 27 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L28" class="LineNr"> 28 </span> <span class="subxH1Comment"># - if argc > 1 and argv[1] == "test", then return run_tests()</span> -<span id="L29" class="LineNr"> 29 </span> <span class="subxS1Comment"># . argc > 1</span> -<span id="L30" class="LineNr"> 30 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/disp8 1/imm32 <span class="subxComment"># compare *EBP</span> -<span id="L31" class="LineNr"> 31 </span> 7e/jump-if-lesser-or-equal $run-main/disp8 -<span id="L32" class="LineNr"> 32 </span> <span class="subxS1Comment"># . argv[1] == "test"</span> -<span id="L33" class="LineNr"> 33 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L34" class="LineNr"> 34 </span> 68/push <span class="Constant">"test"</span>/imm32 -<span id="L35" class="LineNr"> 35 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L36" class="LineNr"> 36 </span> <span class="subxS2Comment"># . . call</span> -<span id="L37" class="LineNr"> 37 </span> e8/call <a href='../052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 -<span id="L38" class="LineNr"> 38 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L39" class="LineNr"> 39 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L40" class="LineNr"> 40 </span> <span class="subxS1Comment"># . check result</span> -<span id="L41" class="LineNr"> 41 </span> 3d/compare-EAX 1/imm32 -<span id="L42" class="LineNr"> 42 </span> 75/jump-if-not-equal $run-main/disp8 -<span id="L43" class="LineNr"> 43 </span> <span class="subxS1Comment"># . run-tests()</span> -<span id="L44" class="LineNr"> 44 </span> e8/call run-tests/disp32 -<span id="L45" class="LineNr"> 45 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='../051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L46" class="LineNr"> 46 </span> eb/jump $main:end/disp8 -<span id="L47" class="LineNr"> 47 </span><span class="Constant">$run-main</span>: -<span id="L48" class="LineNr"> 48 </span> <span class="subxH1Comment"># - otherwise convert stdin</span> -<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># var ed/EAX : exit-descriptor</span> -<span id="L50" class="LineNr"> 50 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L51" class="LineNr"> 51 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> -<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># configure ed to really exit()</span> -<span id="L53" class="LineNr"> 53 </span> <span class="subxS1Comment"># . ed->target = 0</span> -<span id="L54" class="LineNr"> 54 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> -<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># return convert(Stdin, 1/stdout, 2/stderr, ed)</span> -<span id="L56" class="LineNr"> 56 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L57" class="LineNr"> 57 </span> 50/push-EAX/ed -<span id="L58" class="LineNr"> 58 </span> 68/push <span class="SpecialChar"><a href='../068error-byte.subx.html#L97'>Stderr</a></span>/imm32 -<span id="L59" class="LineNr"> 59 </span> 68/push <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span>/imm32 -<span id="L60" class="LineNr"> 60 </span> 68/push <span class="SpecialChar"><a href='../061read-byte.subx.html#L14'>Stdin</a></span>/imm32 -<span id="L61" class="LineNr"> 61 </span> <span class="subxS2Comment"># . . call</span> -<span id="L62" class="LineNr"> 62 </span> e8/call <a href='hex.subx.html#L72'>convert</a>/disp32 -<span id="L63" class="LineNr"> 63 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L64" class="LineNr"> 64 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L65" class="LineNr"> 65 </span> <span class="subxS1Comment"># . syscall(exit, 0)</span> -<span id="L66" class="LineNr"> 66 </span> bb/copy-to-EBX 0/imm32 -<span id="L67" class="LineNr"> 67 </span><span class="Constant">$main:end</span>: -<span id="L68" class="LineNr"> 68 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L69" class="LineNr"> 69 </span> cd/syscall 0x80/imm8 -<span id="L70" class="LineNr"> 70 </span> -<span id="L71" class="LineNr"> 71 </span><span class="subxComment"># the main entry point</span> -<span id="L72" class="LineNr"> 72 </span><span class="subxFunction">convert</span>: <span class="subxComment"># in : (address buffered-file), out : (address buffered-file), err : (address buffered-file), ed : (address exit-descriptor) -> <void></span> -<span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># pseudocode:</span> -<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># repeatedly</span> -<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># EAX = convert-next-octet(in, err, ed)</span> -<span id="L76" class="LineNr"> 76 </span> <span class="subxComment"># if (EAX == 0xffffffff) break # eof</span> -<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># write-byte(out, AL)</span> -<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># flush(out)</span> -<span id="L79" class="LineNr"> 79 </span> <span class="subxComment">#</span> -<span id="L80" class="LineNr"> 80 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L81" class="LineNr"> 81 </span> 55/push-EBP -<span id="L82" class="LineNr"> 82 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L83" class="LineNr"> 83 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L84" class="LineNr"> 84 </span> 50/push-EAX -<span id="L85" class="LineNr"> 85 </span><span class="Constant">$convert:loop</span>: -<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># EAX = convert-next-octet(in, err, ed)</span> -<span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L88" class="LineNr"> 88 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> -<span id="L89" class="LineNr"> 89 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L90" class="LineNr"> 90 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L91" class="LineNr"> 91 </span> <span class="subxS2Comment"># . . call</span> -<span id="L92" class="LineNr"> 92 </span> e8/call <a href='hex.subx.html#L130'>convert-next-octet</a>/disp32 -<span id="L93" class="LineNr"> 93 </span> <span class="subxS2Comment"># . . discard first 2 args</span> -<span id="L94" class="LineNr"> 94 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># if (EAX == 0xffffffff) break</span> -<span id="L96" class="LineNr"> 96 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xffffffff/imm32 <span class="subxComment"># compare EAX</span> -<span id="L97" class="LineNr"> 97 </span> 74/jump-if-equal $convert:loop-end/disp8 -<span id="L98" class="LineNr"> 98 </span> <span class="subxComment"># write-byte(out, AL)</span> -<span id="L99" class="LineNr"> 99 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L100" class="LineNr"> 100 </span> 50/push-EAX -<span id="L101" class="LineNr"> 101 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L102" class="LineNr"> 102 </span> <span class="subxS2Comment"># . . call</span> -<span id="L103" class="LineNr"> 103 </span> e8/call <a href='../064write-byte.subx.html#L38'>write-byte</a>/disp32 -<span id="L104" class="LineNr"> 104 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L105" class="LineNr"> 105 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L106" class="LineNr"> 106 </span> <span class="subxComment"># loop</span> -<span id="L107" class="LineNr"> 107 </span> eb/jump $convert:loop/disp8 -<span id="L108" class="LineNr"> 108 </span><span class="Constant">$convert:loop-end</span>: -<span id="L109" class="LineNr"> 109 </span> <span class="subxComment"># flush(out)</span> -<span id="L110" class="LineNr"> 110 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L111" class="LineNr"> 111 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L112" class="LineNr"> 112 </span> <span class="subxS2Comment"># . . call</span> -<span id="L113" class="LineNr"> 113 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L114" class="LineNr"> 114 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L115" class="LineNr"> 115 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L116" class="LineNr"> 116 </span><span class="Constant">$convert:end</span>: -<span id="L117" class="LineNr"> 117 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L118" class="LineNr"> 118 </span> 58/pop-to-EAX -<span id="L119" class="LineNr"> 119 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L120" class="LineNr"> 120 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L121" class="LineNr"> 121 </span> 5d/pop-to-EBP -<span id="L122" class="LineNr"> 122 </span> c3/return -<span id="L123" class="LineNr"> 123 </span> -<span id="L124" class="LineNr"> 124 </span><span class="subxComment"># read bytes from 'in' until a sequence of two lowercase hex (0-9, a-f) bytes</span> -<span id="L125" class="LineNr"> 125 </span><span class="subxComment"># skip spaces and newlines</span> -<span id="L126" class="LineNr"> 126 </span><span class="subxComment"># on '#' skip bytes until newline</span> -<span id="L127" class="LineNr"> 127 </span><span class="subxComment"># raise an error and abort on all other unexpected bytes</span> -<span id="L128" class="LineNr"> 128 </span><span class="subxComment"># return in EAX an _octet_ containing the binary value of the two hex characters</span> -<span id="L129" class="LineNr"> 129 </span><span class="subxComment"># return 0xffffffff on end of file</span> -<span id="L130" class="LineNr"> 130 </span><span class="subxFunction">convert-next-octet</span>: <span class="subxComment"># in : (address buffered-file), err : (address buffered-file), ed : (address exit-descriptor) -> byte-or-eof/EAX</span> -<span id="L131" class="LineNr"> 131 </span> <span class="subxComment"># pseudocode:</span> -<span id="L132" class="LineNr"> 132 </span> <span class="subxComment"># EAX = scan-next-byte(in, err, ed)</span> -<span id="L133" class="LineNr"> 133 </span> <span class="subxComment"># if (EAX == 0xffffffff) return</span> -<span id="L134" class="LineNr"> 134 </span> <span class="subxComment"># ECX = from-hex-char(EAX)</span> -<span id="L135" class="LineNr"> 135 </span> <span class="subxComment"># EAX = scan-next-byte(in, err, ed)</span> -<span id="L136" class="LineNr"> 136 </span> <span class="subxComment"># if (EAX == 0xffffffff) error("partial byte found.")</span> -<span id="L137" class="LineNr"> 137 </span> <span class="subxComment"># EAX = from-hex-char(EAX)</span> -<span id="L138" class="LineNr"> 138 </span> <span class="subxComment"># EAX = (ECX << 4) | EAX</span> -<span id="L139" class="LineNr"> 139 </span> <span class="subxComment"># return</span> -<span id="L140" class="LineNr"> 140 </span> <span class="subxComment">#</span> -<span id="L141" class="LineNr"> 141 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L142" class="LineNr"> 142 </span> 55/push-EBP -<span id="L143" class="LineNr"> 143 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L144" class="LineNr"> 144 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L145" class="LineNr"> 145 </span> 51/push-ECX -<span id="L146" class="LineNr"> 146 </span> <span class="subxComment"># EAX = scan-next-byte(in, err, ed)</span> -<span id="L147" class="LineNr"> 147 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L148" class="LineNr"> 148 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L149" class="LineNr"> 149 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L150" class="LineNr"> 150 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L151" class="LineNr"> 151 </span> <span class="subxS2Comment"># . . call</span> -<span id="L152" class="LineNr"> 152 </span> e8/call <a href='hex.subx.html#L488'>scan-next-byte</a>/disp32 -<span id="L153" class="LineNr"> 153 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L154" class="LineNr"> 154 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L155" class="LineNr"> 155 </span> <span class="subxComment"># if (EAX == 0xffffffff) return</span> -<span id="L156" class="LineNr"> 156 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xffffffff/imm32 <span class="subxComment"># compare EAX</span> -<span id="L157" class="LineNr"> 157 </span> 74/jump-if-equal $convert-next-octet:end/disp8 -<span id="L158" class="LineNr"> 158 </span> <span class="subxComment"># EAX = from-hex-char(EAX)</span> -<span id="L159" class="LineNr"> 159 </span> e8/call <a href='../065hex.subx.html#L739'>from-hex-char</a>/disp32 -<span id="L160" class="LineNr"> 160 </span> <span class="subxComment"># ECX = EAX</span> -<span id="L161" class="LineNr"> 161 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to ECX</span> -<span id="L162" class="LineNr"> 162 </span> <span class="subxComment"># EAX = scan-next-byte(in, err, ed)</span> -<span id="L163" class="LineNr"> 163 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L164" class="LineNr"> 164 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L165" class="LineNr"> 165 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L166" class="LineNr"> 166 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L167" class="LineNr"> 167 </span> <span class="subxS2Comment"># . . call</span> -<span id="L168" class="LineNr"> 168 </span> e8/call <a href='hex.subx.html#L488'>scan-next-byte</a>/disp32 -<span id="L169" class="LineNr"> 169 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L170" class="LineNr"> 170 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L171" class="LineNr"> 171 </span> <span class="subxComment"># if (EAX == 0xffffffff) error(ed, err, "partial byte found.")</span> -<span id="L172" class="LineNr"> 172 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xffffffff/imm32 <span class="subxComment"># compare EAX</span> -<span id="L173" class="LineNr"> 173 </span> 75/jump-if-not-equal $convert-next-octet:<a href='hex.subx.html#L72'>convert</a>/disp8 -<span id="L174" class="LineNr"> 174 </span> <span class="subxS1Comment"># . error-byte(ed, err, msg, '.') # reusing error-byte to avoid creating _yet_ another helper</span> -<span id="L175" class="LineNr"> 175 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L176" class="LineNr"> 176 </span> 68/push 0x2e/imm32/period/dummy -<span id="L177" class="LineNr"> 177 </span> 68/push <span class="Constant">"convert-next-octet: partial byte found"</span>/imm32 -<span id="L178" class="LineNr"> 178 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L179" class="LineNr"> 179 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L180" class="LineNr"> 180 </span> <span class="subxS2Comment"># . . call</span> -<span id="L181" class="LineNr"> 181 </span> e8/call <a href='../068error-byte.subx.html#L30'>error-byte</a>/disp32 <span class="subxComment"># never returns</span> -<span id="L182" class="LineNr"> 182 </span><span class="Constant">$convert-next-octet:<a href='hex.subx.html#L72'>convert</a></span>: -<span id="L183" class="LineNr"> 183 </span> <span class="subxComment"># EAX = from-hex-char(EAX)</span> -<span id="L184" class="LineNr"> 184 </span> e8/call <a href='../065hex.subx.html#L739'>from-hex-char</a>/disp32 -<span id="L185" class="LineNr"> 185 </span> <span class="subxComment"># EAX = (ECX << 4) | EAX</span> -<span id="L186" class="LineNr"> 186 </span> <span class="subxS1Comment"># . ECX <<= 4</span> -<span id="L187" class="LineNr"> 187 </span> c1/shift 4/subop/left 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm8 <span class="subxComment"># shift ECX left by 4 bits</span> -<span id="L188" class="LineNr"> 188 </span> <span class="subxS1Comment"># . EAX |= ECX</span> -<span id="L189" class="LineNr"> 189 </span> 09/or 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># EAX = bitwise OR with ECX</span> -<span id="L190" class="LineNr"> 190 </span><span class="Constant">$convert-next-octet:end</span>: -<span id="L191" class="LineNr"> 191 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L192" class="LineNr"> 192 </span> 59/pop-to-ECX -<span id="L193" class="LineNr"> 193 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L194" class="LineNr"> 194 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L195" class="LineNr"> 195 </span> 5d/pop-to-EBP -<span id="L196" class="LineNr"> 196 </span> c3/return -<span id="L197" class="LineNr"> 197 </span> -<span id="L198" class="LineNr"> 198 </span><span class="subxTest">test-convert-next-octet</span>: -<span id="L199" class="LineNr"> 199 </span> <span class="subxH1Comment"># - check that the first two bytes of the input are assembled into the resulting octet</span> -<span id="L200" class="LineNr"> 200 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L201" class="LineNr"> 201 </span> 55/push-EBP -<span id="L202" class="LineNr"> 202 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L203" class="LineNr"> 203 </span> <span class="subxComment"># clear all streams</span> -<span id="L204" class="LineNr"> 204 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L205" class="LineNr"> 205 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L206" class="LineNr"> 206 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L207" class="LineNr"> 207 </span> <span class="subxS2Comment"># . . call</span> -<span id="L208" class="LineNr"> 208 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L209" class="LineNr"> 209 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L210" class="LineNr"> 210 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L211" class="LineNr"> 211 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L212" class="LineNr"> 212 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L213" class="LineNr"> 213 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L214" class="LineNr"> 214 </span> 05/add-to-EAX 4/imm32 -<span id="L215" class="LineNr"> 215 </span> 50/push-EAX -<span id="L216" class="LineNr"> 216 </span> <span class="subxS2Comment"># . . call</span> -<span id="L217" class="LineNr"> 217 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L218" class="LineNr"> 218 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L219" class="LineNr"> 219 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L220" class="LineNr"> 220 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L221" class="LineNr"> 221 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L222" class="LineNr"> 222 </span> 68/push <a href='hex.subx.html#L1512'>_test-error-stream</a>/imm32 -<span id="L223" class="LineNr"> 223 </span> <span class="subxS2Comment"># . . call</span> -<span id="L224" class="LineNr"> 224 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L225" class="LineNr"> 225 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L226" class="LineNr"> 226 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L227" class="LineNr"> 227 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> -<span id="L228" class="LineNr"> 228 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L229" class="LineNr"> 229 </span> b8/copy-to-EAX <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L230" class="LineNr"> 230 </span> 05/add-to-EAX 4/imm32 -<span id="L231" class="LineNr"> 231 </span> 50/push-EAX -<span id="L232" class="LineNr"> 232 </span> <span class="subxS2Comment"># . . call</span> -<span id="L233" class="LineNr"> 233 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L234" class="LineNr"> 234 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L235" class="LineNr"> 235 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L236" class="LineNr"> 236 </span> <span class="subxComment"># initialize '_test-stream' to "abc"</span> -<span id="L237" class="LineNr"> 237 </span> <span class="subxS1Comment"># . write(_test-stream, "abc")</span> -<span id="L238" class="LineNr"> 238 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L239" class="LineNr"> 239 </span> 68/push <span class="Constant">"abc"</span>/imm32 -<span id="L240" class="LineNr"> 240 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L241" class="LineNr"> 241 </span> <span class="subxS2Comment"># . . call</span> -<span id="L242" class="LineNr"> 242 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L243" class="LineNr"> 243 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L244" class="LineNr"> 244 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L245" class="LineNr"> 245 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'convert-next-octet' below</span> -<span id="L246" class="LineNr"> 246 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> -<span id="L247" class="LineNr"> 247 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L248" class="LineNr"> 248 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L249" class="LineNr"> 249 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> -<span id="L250" class="LineNr"> 250 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L251" class="LineNr"> 251 </span> 68/push 0xc/imm32/nbytes-of-args-for-convert-next-octet -<span id="L252" class="LineNr"> 252 </span> 51/push-ECX/ed -<span id="L253" class="LineNr"> 253 </span> <span class="subxS2Comment"># . . call</span> -<span id="L254" class="LineNr"> 254 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L255" class="LineNr"> 255 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L256" class="LineNr"> 256 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L257" class="LineNr"> 257 </span> <span class="subxComment"># EAX = convert-next-octet(_test-buffered-file, _test-error-buffered-file, ed)</span> -<span id="L258" class="LineNr"> 258 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L259" class="LineNr"> 259 </span> 51/push-ECX/ed -<span id="L260" class="LineNr"> 260 </span> 68/push <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L261" class="LineNr"> 261 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L262" class="LineNr"> 262 </span> <span class="subxS2Comment"># . . call</span> -<span id="L263" class="LineNr"> 263 </span> e8/call <a href='hex.subx.html#L130'>convert-next-octet</a>/disp32 -<span id="L264" class="LineNr"> 264 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L265" class="LineNr"> 265 </span> <span class="subxComment"># pop args to convert-next-octet</span> -<span id="L266" class="LineNr"> 266 </span> <span class="subxS2Comment"># . . discard first 2 args</span> -<span id="L267" class="LineNr"> 267 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L268" class="LineNr"> 268 </span> <span class="subxS2Comment"># . . restore ed</span> -<span id="L269" class="LineNr"> 269 </span> 59/pop-to-ECX -<span id="L270" class="LineNr"> 270 </span> <span class="subxComment"># check that convert-next-octet didn't abort</span> -<span id="L271" class="LineNr"> 271 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> -<span id="L272" class="LineNr"> 272 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L273" class="LineNr"> 273 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L198'>test-convert-next-octet</a>: unexpected abort"</span>/imm32 -<span id="L274" class="LineNr"> 274 </span> 68/push 0/imm32 -<span id="L275" class="LineNr"> 275 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L276" class="LineNr"> 276 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L277" class="LineNr"> 277 </span> <span class="subxS2Comment"># . . call</span> -<span id="L278" class="LineNr"> 278 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L279" class="LineNr"> 279 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L280" class="LineNr"> 280 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L281" class="LineNr"> 281 </span> <span class="subxComment"># return if abort</span> -<span id="L282" class="LineNr"> 282 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> -<span id="L283" class="LineNr"> 283 </span> 75/jump-if-not-equal $test-convert-next-octet:end/disp8 -<span id="L284" class="LineNr"> 284 </span> <span class="subxComment"># check-ints-equal(EAX, 0xab, msg)</span> -<span id="L285" class="LineNr"> 285 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L286" class="LineNr"> 286 </span> 68/push <span class="Constant">"F - test-convert-next-octet"</span>/imm32 -<span id="L287" class="LineNr"> 287 </span> 68/push 0xab/imm32/ab -<span id="L288" class="LineNr"> 288 </span> 50/push-EAX -<span id="L289" class="LineNr"> 289 </span> <span class="subxS2Comment"># . . call</span> -<span id="L290" class="LineNr"> 290 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L291" class="LineNr"> 291 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L292" class="LineNr"> 292 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L293" class="LineNr"> 293 </span><span class="Constant">$test-convert-next-octet:end</span>: -<span id="L294" class="LineNr"> 294 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L295" class="LineNr"> 295 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> -<span id="L296" class="LineNr"> 296 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L297" class="LineNr"> 297 </span> 5d/pop-to-EBP -<span id="L298" class="LineNr"> 298 </span> c3/return -<span id="L299" class="LineNr"> 299 </span> -<span id="L300" class="LineNr"> 300 </span><span class="subxTest">test-convert-next-octet-handles-eof</span>: -<span id="L301" class="LineNr"> 301 </span> <span class="subxH1Comment"># - check that eof returns the sentinel octet</span> -<span id="L302" class="LineNr"> 302 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L303" class="LineNr"> 303 </span> 55/push-EBP -<span id="L304" class="LineNr"> 304 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L305" class="LineNr"> 305 </span> <span class="subxComment"># clear all streams</span> -<span id="L306" class="LineNr"> 306 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L307" class="LineNr"> 307 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L308" class="LineNr"> 308 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L309" class="LineNr"> 309 </span> <span class="subxS2Comment"># . . call</span> -<span id="L310" class="LineNr"> 310 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L311" class="LineNr"> 311 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L312" class="LineNr"> 312 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L313" class="LineNr"> 313 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L314" class="LineNr"> 314 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L315" class="LineNr"> 315 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L316" class="LineNr"> 316 </span> 05/add-to-EAX 4/imm32 -<span id="L317" class="LineNr"> 317 </span> 50/push-EAX -<span id="L318" class="LineNr"> 318 </span> <span class="subxS2Comment"># . . call</span> -<span id="L319" class="LineNr"> 319 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L320" class="LineNr"> 320 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L321" class="LineNr"> 321 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L322" class="LineNr"> 322 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L323" class="LineNr"> 323 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L324" class="LineNr"> 324 </span> 68/push <a href='hex.subx.html#L1512'>_test-error-stream</a>/imm32 -<span id="L325" class="LineNr"> 325 </span> <span class="subxS2Comment"># . . call</span> -<span id="L326" class="LineNr"> 326 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L327" class="LineNr"> 327 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L328" class="LineNr"> 328 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L329" class="LineNr"> 329 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> -<span id="L330" class="LineNr"> 330 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L331" class="LineNr"> 331 </span> b8/copy-to-EAX <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L332" class="LineNr"> 332 </span> 05/add-to-EAX 4/imm32 -<span id="L333" class="LineNr"> 333 </span> 50/push-EAX -<span id="L334" class="LineNr"> 334 </span> <span class="subxS2Comment"># . . call</span> -<span id="L335" class="LineNr"> 335 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L336" class="LineNr"> 336 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L337" class="LineNr"> 337 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L338" class="LineNr"> 338 </span> <span class="subxComment"># don't initialize '_test-stream'</span> -<span id="L339" class="LineNr"> 339 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'convert-next-octet' below</span> -<span id="L340" class="LineNr"> 340 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> -<span id="L341" class="LineNr"> 341 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L342" class="LineNr"> 342 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L343" class="LineNr"> 343 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> -<span id="L344" class="LineNr"> 344 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L345" class="LineNr"> 345 </span> 68/push 0xc/imm32/nbytes-of-args-for-convert-next-octet -<span id="L346" class="LineNr"> 346 </span> 51/push-ECX/ed -<span id="L347" class="LineNr"> 347 </span> <span class="subxS2Comment"># . . call</span> -<span id="L348" class="LineNr"> 348 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L349" class="LineNr"> 349 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L350" class="LineNr"> 350 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L351" class="LineNr"> 351 </span> <span class="subxComment"># EAX = convert-next-octet(_test-buffered-file, _test-error-buffered-file, ed)</span> -<span id="L352" class="LineNr"> 352 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L353" class="LineNr"> 353 </span> 51/push-ECX/ed -<span id="L354" class="LineNr"> 354 </span> 68/push <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L355" class="LineNr"> 355 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L356" class="LineNr"> 356 </span> <span class="subxS2Comment"># . . call</span> -<span id="L357" class="LineNr"> 357 </span> e8/call <a href='hex.subx.html#L130'>convert-next-octet</a>/disp32 -<span id="L358" class="LineNr"> 358 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L359" class="LineNr"> 359 </span> <span class="subxComment"># pop args to convert-next-octet</span> -<span id="L360" class="LineNr"> 360 </span> <span class="subxS2Comment"># . . discard first 2 args</span> -<span id="L361" class="LineNr"> 361 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L362" class="LineNr"> 362 </span> <span class="subxS2Comment"># . . restore ed</span> -<span id="L363" class="LineNr"> 363 </span> 59/pop-to-ECX -<span id="L364" class="LineNr"> 364 </span> <span class="subxComment"># check that convert-next-octet didn't abort</span> -<span id="L365" class="LineNr"> 365 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> -<span id="L366" class="LineNr"> 366 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L367" class="LineNr"> 367 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L198'>test-convert-next-octet</a>: unexpected abort"</span>/imm32 -<span id="L368" class="LineNr"> 368 </span> 68/push 0/imm32 -<span id="L369" class="LineNr"> 369 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L370" class="LineNr"> 370 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L371" class="LineNr"> 371 </span> <span class="subxS2Comment"># . . call</span> -<span id="L372" class="LineNr"> 372 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L373" class="LineNr"> 373 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L374" class="LineNr"> 374 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L375" class="LineNr"> 375 </span> <span class="subxComment"># return if abort</span> -<span id="L376" class="LineNr"> 376 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> -<span id="L377" class="LineNr"> 377 </span> 75/jump-if-not-equal $test-convert-next-octet-handles-eof:end/disp8 -<span id="L378" class="LineNr"> 378 </span> <span class="subxComment"># check-ints-equal(EAX, 0xffffffff, msg)</span> -<span id="L379" class="LineNr"> 379 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L380" class="LineNr"> 380 </span> 68/push <span class="Constant">"F - test-convert-next-octet-handles-eof"</span>/imm32 -<span id="L381" class="LineNr"> 381 </span> 68/push 0xffffffff/imm32/eof -<span id="L382" class="LineNr"> 382 </span> 50/push-EAX -<span id="L383" class="LineNr"> 383 </span> <span class="subxS2Comment"># . . call</span> -<span id="L384" class="LineNr"> 384 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L385" class="LineNr"> 385 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L386" class="LineNr"> 386 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L387" class="LineNr"> 387 </span><span class="Constant">$test-convert-next-octet-handles-eof:end</span>: -<span id="L388" class="LineNr"> 388 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L389" class="LineNr"> 389 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> -<span id="L390" class="LineNr"> 390 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L391" class="LineNr"> 391 </span> 5d/pop-to-EBP -<span id="L392" class="LineNr"> 392 </span> c3/return -<span id="L393" class="LineNr"> 393 </span> -<span id="L394" class="LineNr"> 394 </span><span class="subxTest">test-convert-next-octet-aborts-on-single-hex-byte</span>: -<span id="L395" class="LineNr"> 395 </span> <span class="subxH1Comment"># - check that a single unaccompanied hex byte aborts</span> -<span id="L396" class="LineNr"> 396 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L397" class="LineNr"> 397 </span> 55/push-EBP -<span id="L398" class="LineNr"> 398 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L399" class="LineNr"> 399 </span> <span class="subxComment"># clear all streams</span> -<span id="L400" class="LineNr"> 400 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L401" class="LineNr"> 401 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L402" class="LineNr"> 402 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L403" class="LineNr"> 403 </span> <span class="subxS2Comment"># . . call</span> -<span id="L404" class="LineNr"> 404 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L405" class="LineNr"> 405 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L406" class="LineNr"> 406 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L407" class="LineNr"> 407 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L408" class="LineNr"> 408 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L409" class="LineNr"> 409 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L410" class="LineNr"> 410 </span> 05/add-to-EAX 4/imm32 -<span id="L411" class="LineNr"> 411 </span> 50/push-EAX -<span id="L412" class="LineNr"> 412 </span> <span class="subxS2Comment"># . . call</span> -<span id="L413" class="LineNr"> 413 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L414" class="LineNr"> 414 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L415" class="LineNr"> 415 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L416" class="LineNr"> 416 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L417" class="LineNr"> 417 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L418" class="LineNr"> 418 </span> 68/push <a href='hex.subx.html#L1512'>_test-error-stream</a>/imm32 -<span id="L419" class="LineNr"> 419 </span> <span class="subxS2Comment"># . . call</span> -<span id="L420" class="LineNr"> 420 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L421" class="LineNr"> 421 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L422" class="LineNr"> 422 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L423" class="LineNr"> 423 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> -<span id="L424" class="LineNr"> 424 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L425" class="LineNr"> 425 </span> b8/copy-to-EAX <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L426" class="LineNr"> 426 </span> 05/add-to-EAX 4/imm32 -<span id="L427" class="LineNr"> 427 </span> 50/push-EAX -<span id="L428" class="LineNr"> 428 </span> <span class="subxS2Comment"># . . call</span> -<span id="L429" class="LineNr"> 429 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L430" class="LineNr"> 430 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L431" class="LineNr"> 431 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L432" class="LineNr"> 432 </span> <span class="subxComment"># initialize '_test-stream' to "a"</span> -<span id="L433" class="LineNr"> 433 </span> <span class="subxS1Comment"># . write(_test-stream, "a")</span> -<span id="L434" class="LineNr"> 434 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L435" class="LineNr"> 435 </span> 68/push <span class="Constant">"a"</span>/imm32 -<span id="L436" class="LineNr"> 436 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L437" class="LineNr"> 437 </span> <span class="subxS2Comment"># . . call</span> -<span id="L438" class="LineNr"> 438 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L439" class="LineNr"> 439 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L440" class="LineNr"> 440 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L441" class="LineNr"> 441 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'convert-next-octet' below</span> -<span id="L442" class="LineNr"> 442 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> -<span id="L443" class="LineNr"> 443 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L444" class="LineNr"> 444 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L445" class="LineNr"> 445 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> -<span id="L446" class="LineNr"> 446 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L447" class="LineNr"> 447 </span> 68/push 0xc/imm32/nbytes-of-args-for-convert-next-octet -<span id="L448" class="LineNr"> 448 </span> 51/push-ECX/ed -<span id="L449" class="LineNr"> 449 </span> <span class="subxS2Comment"># . . call</span> -<span id="L450" class="LineNr"> 450 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L451" class="LineNr"> 451 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L452" class="LineNr"> 452 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L453" class="LineNr"> 453 </span> <span class="subxComment"># EAX = convert-next-octet(_test-buffered-file, _test-error-buffered-file, ed)</span> -<span id="L454" class="LineNr"> 454 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L455" class="LineNr"> 455 </span> 51/push-ECX/ed -<span id="L456" class="LineNr"> 456 </span> 68/push <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L457" class="LineNr"> 457 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L458" class="LineNr"> 458 </span> <span class="subxS2Comment"># . . call</span> -<span id="L459" class="LineNr"> 459 </span> e8/call <a href='hex.subx.html#L130'>convert-next-octet</a>/disp32 -<span id="L460" class="LineNr"> 460 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L461" class="LineNr"> 461 </span> <span class="subxComment"># pop args to convert-next-octet</span> -<span id="L462" class="LineNr"> 462 </span> <span class="subxS2Comment"># . . discard first 2 args</span> -<span id="L463" class="LineNr"> 463 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L464" class="LineNr"> 464 </span> <span class="subxS2Comment"># . . restore ed</span> -<span id="L465" class="LineNr"> 465 </span> 59/pop-to-ECX -<span id="L466" class="LineNr"> 466 </span> <span class="subxComment"># check that convert-next-octet aborted</span> -<span id="L467" class="LineNr"> 467 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 2, msg)</span> -<span id="L468" class="LineNr"> 468 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L469" class="LineNr"> 469 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L394'>test-convert-next-octet-aborts-on-single-hex-byte</a>: unexpected abort"</span>/imm32 -<span id="L470" class="LineNr"> 470 </span> 68/push 2/imm32 -<span id="L471" class="LineNr"> 471 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L472" class="LineNr"> 472 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L473" class="LineNr"> 473 </span> <span class="subxS2Comment"># . . call</span> -<span id="L474" class="LineNr"> 474 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L475" class="LineNr"> 475 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L476" class="LineNr"> 476 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L477" class="LineNr"> 477 </span><span class="Constant">$test-convert-next-octet-aborts-on-single-hex-byte:end</span>: -<span id="L478" class="LineNr"> 478 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L479" class="LineNr"> 479 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> -<span id="L480" class="LineNr"> 480 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L481" class="LineNr"> 481 </span> 5d/pop-to-EBP -<span id="L482" class="LineNr"> 482 </span> c3/return -<span id="L483" class="LineNr"> 483 </span> -<span id="L484" class="LineNr"> 484 </span><span class="subxComment"># read whitespace until a hex byte, and return it</span> -<span id="L485" class="LineNr"> 485 </span><span class="subxComment"># return 0xffffffff if file ends without finding a hex byte</span> -<span id="L486" class="LineNr"> 486 </span><span class="subxComment"># on '#' skip all bytes until newline</span> -<span id="L487" class="LineNr"> 487 </span><span class="subxComment"># abort on any other byte</span> -<span id="L488" class="LineNr"> 488 </span><span class="subxFunction">scan-next-byte</span>: <span class="subxComment"># in : (address buffered-file), err : (address buffered-file), ed : (address exit-descriptor) -> byte-or-eof/EAX</span> -<span id="L489" class="LineNr"> 489 </span> <span class="subxComment"># pseudocode:</span> -<span id="L490" class="LineNr"> 490 </span> <span class="subxComment"># repeatedly</span> -<span id="L491" class="LineNr"> 491 </span> <span class="subxComment"># EAX = read-byte(in)</span> -<span id="L492" class="LineNr"> 492 </span> <span class="subxComment"># if (EAX == 0xffffffff) return EAX</span> -<span id="L493" class="LineNr"> 493 </span> <span class="subxComment"># if (is-hex-digit?(EAX)) return EAX</span> -<span id="L494" class="LineNr"> 494 </span> <span class="subxComment"># if (EAX == ' ' or '\t' or '\n') continue</span> -<span id="L495" class="LineNr"> 495 </span> <span class="subxComment"># if (EAX == '#') skip-until-newline(in)</span> -<span id="L496" class="LineNr"> 496 </span> <span class="subxComment"># else error-byte(ed, err, "invalid byte: " EAX)</span> -<span id="L497" class="LineNr"> 497 </span> <span class="subxComment">#</span> -<span id="L498" class="LineNr"> 498 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L499" class="LineNr"> 499 </span> 55/push-EBP -<span id="L500" class="LineNr"> 500 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L501" class="LineNr"> 501 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L502" class="LineNr"> 502 </span><span class="Constant">$scan-next-byte:loop</span>: -<span id="L503" class="LineNr"> 503 </span> <span class="subxComment"># EAX = read-byte(in)</span> -<span id="L504" class="LineNr"> 504 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L505" class="LineNr"> 505 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L506" class="LineNr"> 506 </span> <span class="subxS2Comment"># . . call</span> -<span id="L507" class="LineNr"> 507 </span> e8/call <a href='../061read-byte.subx.html#L45'>read-byte</a>/disp32 -<span id="L508" class="LineNr"> 508 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L509" class="LineNr"> 509 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L510" class="LineNr"> 510 </span> <span class="subxComment"># if (EAX == 0xffffffff) return EAX</span> -<span id="L511" class="LineNr"> 511 </span> 3d/compare-with-EAX 0xffffffff/imm32 -<span id="L512" class="LineNr"> 512 </span> 74/jump-if-equal $scan-next-byte:end/disp8 -<span id="L513" class="LineNr"> 513 </span> <span class="subxComment"># if (is-hex-digit?(EAX)) return EAX</span> -<span id="L514" class="LineNr"> 514 </span> <span class="subxS1Comment"># . save EAX for now</span> -<span id="L515" class="LineNr"> 515 </span> 50/push-EAX -<span id="L516" class="LineNr"> 516 </span> <span class="subxS1Comment"># . is-hex-digit?(EAX)</span> -<span id="L517" class="LineNr"> 517 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L518" class="LineNr"> 518 </span> 50/push-EAX -<span id="L519" class="LineNr"> 519 </span> <span class="subxS2Comment"># . . call</span> -<span id="L520" class="LineNr"> 520 </span> e8/call <a href='../065hex.subx.html#L580'>is-hex-digit?</a>/disp32 -<span id="L521" class="LineNr"> 521 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L522" class="LineNr"> 522 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L523" class="LineNr"> 523 </span> <span class="subxS1Comment"># . compare with 'false'</span> -<span id="L524" class="LineNr"> 524 </span> 3d/compare-with-EAX 0/imm32 -<span id="L525" class="LineNr"> 525 </span> <span class="subxS1Comment"># . restore EAX (does not affect flags)</span> -<span id="L526" class="LineNr"> 526 </span> 58/pop-to-EAX -<span id="L527" class="LineNr"> 527 </span> <span class="subxS1Comment"># . check whether to return</span> -<span id="L528" class="LineNr"> 528 </span> 75/jump-if-not-equal $scan-next-byte:end/disp8 -<span id="L529" class="LineNr"> 529 </span><span class="Constant">$scan-next-byte:check1</span>: -<span id="L530" class="LineNr"> 530 </span> <span class="subxComment"># if (EAX == ' ') continue</span> -<span id="L531" class="LineNr"> 531 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x20/imm32 <span class="subxComment"># compare EAX</span> -<span id="L532" class="LineNr"> 532 </span> 74/jump-if-equal $scan-next-byte:loop/disp8 -<span id="L533" class="LineNr"> 533 </span> <span class="subxComment"># if (EAX == '\t') continue</span> -<span id="L534" class="LineNr"> 534 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x9/imm32 <span class="subxComment"># compare EAX</span> -<span id="L535" class="LineNr"> 535 </span> 74/jump-if-equal $scan-next-byte:loop/disp8 -<span id="L536" class="LineNr"> 536 </span> <span class="subxComment"># if (EAX == '\n') continue</span> -<span id="L537" class="LineNr"> 537 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xa/imm32 <span class="subxComment"># compare EAX</span> -<span id="L538" class="LineNr"> 538 </span> 74/jump-if-equal $scan-next-byte:loop/disp8 -<span id="L539" class="LineNr"> 539 </span><span class="Constant">$scan-next-byte:check2</span>: -<span id="L540" class="LineNr"> 540 </span> <span class="subxComment"># if (EAX == '#') skip-until-newline(in)</span> -<span id="L541" class="LineNr"> 541 </span> 3d/compare-with-EAX 0x23/imm32 -<span id="L542" class="LineNr"> 542 </span> 75/jump-if-not-equal $scan-next-byte:check3/disp8 -<span id="L543" class="LineNr"> 543 </span> <span class="subxS1Comment"># . skip-until-newline(in)</span> -<span id="L544" class="LineNr"> 544 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L545" class="LineNr"> 545 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L546" class="LineNr"> 546 </span> <span class="subxS2Comment"># . . call</span> -<span id="L547" class="LineNr"> 547 </span> e8/call <a href='hex.subx.html#L1411'>skip-until-newline</a>/disp32 -<span id="L548" class="LineNr"> 548 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L549" class="LineNr"> 549 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L550" class="LineNr"> 550 </span> eb/jump $scan-next-byte:loop/disp8 -<span id="L551" class="LineNr"> 551 </span><span class="Constant">$scan-next-byte:check3</span>: -<span id="L552" class="LineNr"> 552 </span> <span class="subxComment"># otherwise error-byte(ed, err, msg, EAX)</span> -<span id="L553" class="LineNr"> 553 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L554" class="LineNr"> 554 </span> 50/push-EAX -<span id="L555" class="LineNr"> 555 </span> 68/push <span class="Constant">"scan-next-byte: invalid byte"</span>/imm32 -<span id="L556" class="LineNr"> 556 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L557" class="LineNr"> 557 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L558" class="LineNr"> 558 </span> <span class="subxS2Comment"># . . call</span> -<span id="L559" class="LineNr"> 559 </span> e8/call <a href='../068error-byte.subx.html#L30'>error-byte</a>/disp32 <span class="subxComment"># never returns</span> -<span id="L560" class="LineNr"> 560 </span><span class="Constant">$scan-next-byte:end</span>: -<span id="L561" class="LineNr"> 561 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L562" class="LineNr"> 562 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L563" class="LineNr"> 563 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L564" class="LineNr"> 564 </span> 5d/pop-to-EBP -<span id="L565" class="LineNr"> 565 </span> c3/return -<span id="L566" class="LineNr"> 566 </span> -<span id="L567" class="LineNr"> 567 </span><span class="subxTest">test-scan-next-byte</span>: -<span id="L568" class="LineNr"> 568 </span> <span class="subxH1Comment"># - check that the first byte of the input is returned</span> -<span id="L569" class="LineNr"> 569 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L570" class="LineNr"> 570 </span> 55/push-EBP -<span id="L571" class="LineNr"> 571 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L572" class="LineNr"> 572 </span> <span class="subxComment"># clear all streams</span> -<span id="L573" class="LineNr"> 573 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L574" class="LineNr"> 574 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L575" class="LineNr"> 575 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L576" class="LineNr"> 576 </span> <span class="subxS2Comment"># . . call</span> -<span id="L577" class="LineNr"> 577 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L578" class="LineNr"> 578 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L579" class="LineNr"> 579 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L580" class="LineNr"> 580 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L581" class="LineNr"> 581 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L582" class="LineNr"> 582 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L583" class="LineNr"> 583 </span> 05/add-to-EAX 4/imm32 -<span id="L584" class="LineNr"> 584 </span> 50/push-EAX -<span id="L585" class="LineNr"> 585 </span> <span class="subxS2Comment"># . . call</span> -<span id="L586" class="LineNr"> 586 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L587" class="LineNr"> 587 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L588" class="LineNr"> 588 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L589" class="LineNr"> 589 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L590" class="LineNr"> 590 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L591" class="LineNr"> 591 </span> 68/push <a href='hex.subx.html#L1512'>_test-error-stream</a>/imm32 -<span id="L592" class="LineNr"> 592 </span> <span class="subxS2Comment"># . . call</span> -<span id="L593" class="LineNr"> 593 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L594" class="LineNr"> 594 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L595" class="LineNr"> 595 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L596" class="LineNr"> 596 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> -<span id="L597" class="LineNr"> 597 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L598" class="LineNr"> 598 </span> b8/copy-to-EAX <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L599" class="LineNr"> 599 </span> 05/add-to-EAX 4/imm32 -<span id="L600" class="LineNr"> 600 </span> 50/push-EAX -<span id="L601" class="LineNr"> 601 </span> <span class="subxS2Comment"># . . call</span> -<span id="L602" class="LineNr"> 602 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L603" class="LineNr"> 603 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L604" class="LineNr"> 604 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L605" class="LineNr"> 605 </span> <span class="subxComment"># initialize '_test-stream' to "abc"</span> -<span id="L606" class="LineNr"> 606 </span> <span class="subxS1Comment"># . write(_test-stream, "abc")</span> -<span id="L607" class="LineNr"> 607 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L608" class="LineNr"> 608 </span> 68/push <span class="Constant">"abc"</span>/imm32 -<span id="L609" class="LineNr"> 609 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L610" class="LineNr"> 610 </span> <span class="subxS2Comment"># . . call</span> -<span id="L611" class="LineNr"> 611 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L612" class="LineNr"> 612 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L613" class="LineNr"> 613 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L614" class="LineNr"> 614 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> -<span id="L615" class="LineNr"> 615 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> -<span id="L616" class="LineNr"> 616 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L617" class="LineNr"> 617 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L618" class="LineNr"> 618 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> -<span id="L619" class="LineNr"> 619 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L620" class="LineNr"> 620 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte -<span id="L621" class="LineNr"> 621 </span> 51/push-ECX/ed -<span id="L622" class="LineNr"> 622 </span> <span class="subxS2Comment"># . . call</span> -<span id="L623" class="LineNr"> 623 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L624" class="LineNr"> 624 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L625" class="LineNr"> 625 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L626" class="LineNr"> 626 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> -<span id="L627" class="LineNr"> 627 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L628" class="LineNr"> 628 </span> 51/push-ECX/ed -<span id="L629" class="LineNr"> 629 </span> 68/push <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L630" class="LineNr"> 630 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L631" class="LineNr"> 631 </span> <span class="subxS2Comment"># . . call</span> -<span id="L632" class="LineNr"> 632 </span> e8/call <a href='hex.subx.html#L488'>scan-next-byte</a>/disp32 -<span id="L633" class="LineNr"> 633 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L634" class="LineNr"> 634 </span> <span class="subxComment"># pop args to scan-next-byte</span> -<span id="L635" class="LineNr"> 635 </span> <span class="subxS2Comment"># . . discard first 2 args</span> -<span id="L636" class="LineNr"> 636 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L637" class="LineNr"> 637 </span> <span class="subxS2Comment"># . . restore ed</span> -<span id="L638" class="LineNr"> 638 </span> 59/pop-to-ECX -<span id="L639" class="LineNr"> 639 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> -<span id="L640" class="LineNr"> 640 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> -<span id="L641" class="LineNr"> 641 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L642" class="LineNr"> 642 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L567'>test-scan-next-byte</a>: unexpected abort"</span>/imm32 -<span id="L643" class="LineNr"> 643 </span> 68/push 0/imm32 -<span id="L644" class="LineNr"> 644 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L645" class="LineNr"> 645 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L646" class="LineNr"> 646 </span> <span class="subxS2Comment"># . . call</span> -<span id="L647" class="LineNr"> 647 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L648" class="LineNr"> 648 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L649" class="LineNr"> 649 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L650" class="LineNr"> 650 </span> <span class="subxComment"># return if abort</span> -<span id="L651" class="LineNr"> 651 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> -<span id="L652" class="LineNr"> 652 </span> 75/jump-if-not-equal $test-scan-next-byte:end/disp8 -<span id="L653" class="LineNr"> 653 </span> <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span> -<span id="L654" class="LineNr"> 654 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L655" class="LineNr"> 655 </span> 68/push <span class="Constant">"F - test-scan-next-byte"</span>/imm32 -<span id="L656" class="LineNr"> 656 </span> 68/push 0x61/imm32/a -<span id="L657" class="LineNr"> 657 </span> 50/push-EAX -<span id="L658" class="LineNr"> 658 </span> <span class="subxS2Comment"># . . call</span> -<span id="L659" class="LineNr"> 659 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L660" class="LineNr"> 660 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L661" class="LineNr"> 661 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L662" class="LineNr"> 662 </span><span class="Constant">$test-scan-next-byte:end</span>: -<span id="L663" class="LineNr"> 663 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L664" class="LineNr"> 664 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> -<span id="L665" class="LineNr"> 665 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L666" class="LineNr"> 666 </span> 5d/pop-to-EBP -<span id="L667" class="LineNr"> 667 </span> c3/return -<span id="L668" class="LineNr"> 668 </span> -<span id="L669" class="LineNr"> 669 </span><span class="subxTest">test-scan-next-byte-skips-whitespace</span>: -<span id="L670" class="LineNr"> 670 </span> <span class="subxH1Comment"># - check that the first byte after whitespace is returned</span> -<span id="L671" class="LineNr"> 671 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L672" class="LineNr"> 672 </span> 55/push-EBP -<span id="L673" class="LineNr"> 673 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L674" class="LineNr"> 674 </span> <span class="subxComment"># clear all streams</span> -<span id="L675" class="LineNr"> 675 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L676" class="LineNr"> 676 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L677" class="LineNr"> 677 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L678" class="LineNr"> 678 </span> <span class="subxS2Comment"># . . call</span> -<span id="L679" class="LineNr"> 679 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L680" class="LineNr"> 680 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L681" class="LineNr"> 681 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L682" class="LineNr"> 682 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L683" class="LineNr"> 683 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L684" class="LineNr"> 684 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L685" class="LineNr"> 685 </span> 05/add-to-EAX 4/imm32 -<span id="L686" class="LineNr"> 686 </span> 50/push-EAX -<span id="L687" class="LineNr"> 687 </span> <span class="subxS2Comment"># . . call</span> -<span id="L688" class="LineNr"> 688 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L689" class="LineNr"> 689 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L690" class="LineNr"> 690 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L691" class="LineNr"> 691 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L692" class="LineNr"> 692 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L693" class="LineNr"> 693 </span> 68/push <a href='hex.subx.html#L1512'>_test-error-stream</a>/imm32 -<span id="L694" class="LineNr"> 694 </span> <span class="subxS2Comment"># . . call</span> -<span id="L695" class="LineNr"> 695 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L696" class="LineNr"> 696 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L697" class="LineNr"> 697 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L698" class="LineNr"> 698 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> -<span id="L699" class="LineNr"> 699 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L700" class="LineNr"> 700 </span> b8/copy-to-EAX <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L701" class="LineNr"> 701 </span> 05/add-to-EAX 4/imm32 -<span id="L702" class="LineNr"> 702 </span> 50/push-EAX -<span id="L703" class="LineNr"> 703 </span> <span class="subxS2Comment"># . . call</span> -<span id="L704" class="LineNr"> 704 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L705" class="LineNr"> 705 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L706" class="LineNr"> 706 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L707" class="LineNr"> 707 </span> <span class="subxComment"># initialize '_test-stream' to input with leading whitespace</span> -<span id="L708" class="LineNr"> 708 </span> <span class="subxS1Comment"># . write(_test-stream, text)</span> -<span id="L709" class="LineNr"> 709 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L710" class="LineNr"> 710 </span> 68/push <span class="Constant">" abc"</span>/imm32 -<span id="L711" class="LineNr"> 711 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L712" class="LineNr"> 712 </span> <span class="subxS2Comment"># . . call</span> -<span id="L713" class="LineNr"> 713 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L714" class="LineNr"> 714 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L715" class="LineNr"> 715 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L716" class="LineNr"> 716 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> -<span id="L717" class="LineNr"> 717 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> -<span id="L718" class="LineNr"> 718 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L719" class="LineNr"> 719 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L720" class="LineNr"> 720 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> -<span id="L721" class="LineNr"> 721 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L722" class="LineNr"> 722 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte -<span id="L723" class="LineNr"> 723 </span> 51/push-ECX/ed -<span id="L724" class="LineNr"> 724 </span> <span class="subxS2Comment"># . . call</span> -<span id="L725" class="LineNr"> 725 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L726" class="LineNr"> 726 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L727" class="LineNr"> 727 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L728" class="LineNr"> 728 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> -<span id="L729" class="LineNr"> 729 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L730" class="LineNr"> 730 </span> 51/push-ECX/ed -<span id="L731" class="LineNr"> 731 </span> 68/push <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L732" class="LineNr"> 732 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L733" class="LineNr"> 733 </span> <span class="subxS2Comment"># . . call</span> -<span id="L734" class="LineNr"> 734 </span> e8/call <a href='hex.subx.html#L488'>scan-next-byte</a>/disp32 -<span id="L735" class="LineNr"> 735 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L736" class="LineNr"> 736 </span> <span class="subxComment"># pop args to scan-next-byte</span> -<span id="L737" class="LineNr"> 737 </span> <span class="subxS2Comment"># . . discard first 2 args</span> -<span id="L738" class="LineNr"> 738 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L739" class="LineNr"> 739 </span> <span class="subxS2Comment"># . . restore ed</span> -<span id="L740" class="LineNr"> 740 </span> 59/pop-to-ECX -<span id="L741" class="LineNr"> 741 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> -<span id="L742" class="LineNr"> 742 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> -<span id="L743" class="LineNr"> 743 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L744" class="LineNr"> 744 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L669'>test-scan-next-byte-skips-whitespace</a>: unexpected abort"</span>/imm32 -<span id="L745" class="LineNr"> 745 </span> 68/push 0/imm32 -<span id="L746" class="LineNr"> 746 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L747" class="LineNr"> 747 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L748" class="LineNr"> 748 </span> <span class="subxS2Comment"># . . call</span> -<span id="L749" class="LineNr"> 749 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L750" class="LineNr"> 750 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L751" class="LineNr"> 751 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L752" class="LineNr"> 752 </span> <span class="subxComment"># return if abort</span> -<span id="L753" class="LineNr"> 753 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> -<span id="L754" class="LineNr"> 754 </span> 75/jump-if-not-equal $test-scan-next-byte-skips-whitespace:end/disp8 -<span id="L755" class="LineNr"> 755 </span> <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span> -<span id="L756" class="LineNr"> 756 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L757" class="LineNr"> 757 </span> 68/push <span class="Constant">"F - test-scan-next-byte-skips-whitespace"</span>/imm32 -<span id="L758" class="LineNr"> 758 </span> 68/push 0x61/imm32/a -<span id="L759" class="LineNr"> 759 </span> 50/push-EAX -<span id="L760" class="LineNr"> 760 </span> <span class="subxS2Comment"># . . call</span> -<span id="L761" class="LineNr"> 761 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L762" class="LineNr"> 762 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L763" class="LineNr"> 763 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L764" class="LineNr"> 764 </span><span class="Constant">$test-scan-next-byte-skips-whitespace:end</span>: -<span id="L765" class="LineNr"> 765 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L766" class="LineNr"> 766 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> -<span id="L767" class="LineNr"> 767 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L768" class="LineNr"> 768 </span> 5d/pop-to-EBP -<span id="L769" class="LineNr"> 769 </span> c3/return -<span id="L770" class="LineNr"> 770 </span> -<span id="L771" class="LineNr"> 771 </span><span class="subxTest">test-scan-next-byte-skips-comment</span>: -<span id="L772" class="LineNr"> 772 </span> <span class="subxH1Comment"># - check that the first byte after a comment (and newline) is returned</span> -<span id="L773" class="LineNr"> 773 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L774" class="LineNr"> 774 </span> 55/push-EBP -<span id="L775" class="LineNr"> 775 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L776" class="LineNr"> 776 </span> <span class="subxComment"># clear all streams</span> -<span id="L777" class="LineNr"> 777 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L778" class="LineNr"> 778 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L779" class="LineNr"> 779 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L780" class="LineNr"> 780 </span> <span class="subxS2Comment"># . . call</span> -<span id="L781" class="LineNr"> 781 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L782" class="LineNr"> 782 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L783" class="LineNr"> 783 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L784" class="LineNr"> 784 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L785" class="LineNr"> 785 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L786" class="LineNr"> 786 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L787" class="LineNr"> 787 </span> 05/add-to-EAX 4/imm32 -<span id="L788" class="LineNr"> 788 </span> 50/push-EAX -<span id="L789" class="LineNr"> 789 </span> <span class="subxS2Comment"># . . call</span> -<span id="L790" class="LineNr"> 790 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L791" class="LineNr"> 791 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L792" class="LineNr"> 792 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L793" class="LineNr"> 793 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L794" class="LineNr"> 794 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L795" class="LineNr"> 795 </span> 68/push <a href='hex.subx.html#L1512'>_test-error-stream</a>/imm32 -<span id="L796" class="LineNr"> 796 </span> <span class="subxS2Comment"># . . call</span> -<span id="L797" class="LineNr"> 797 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L798" class="LineNr"> 798 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L799" class="LineNr"> 799 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L800" class="LineNr"> 800 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> -<span id="L801" class="LineNr"> 801 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L802" class="LineNr"> 802 </span> b8/copy-to-EAX <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L803" class="LineNr"> 803 </span> 05/add-to-EAX 4/imm32 -<span id="L804" class="LineNr"> 804 </span> 50/push-EAX -<span id="L805" class="LineNr"> 805 </span> <span class="subxS2Comment"># . . call</span> -<span id="L806" class="LineNr"> 806 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L807" class="LineNr"> 807 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L808" class="LineNr"> 808 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L809" class="LineNr"> 809 </span> <span class="subxComment"># initialize '_test-stream' to input with leading comment</span> -<span id="L810" class="LineNr"> 810 </span> <span class="subxS1Comment"># . write(_test-stream, comment)</span> -<span id="L811" class="LineNr"> 811 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L812" class="LineNr"> 812 </span> 68/push <span class="Constant">"#x"</span>/imm32 -<span id="L813" class="LineNr"> 813 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L814" class="LineNr"> 814 </span> <span class="subxS2Comment"># . . call</span> -<span id="L815" class="LineNr"> 815 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L816" class="LineNr"> 816 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L817" class="LineNr"> 817 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L818" class="LineNr"> 818 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> -<span id="L819" class="LineNr"> 819 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L820" class="LineNr"> 820 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L821" class="LineNr"> 821 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L822" class="LineNr"> 822 </span> <span class="subxS2Comment"># . . call</span> -<span id="L823" class="LineNr"> 823 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L824" class="LineNr"> 824 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L825" class="LineNr"> 825 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L826" class="LineNr"> 826 </span> <span class="subxS1Comment"># . write(_test-stream, real text)</span> -<span id="L827" class="LineNr"> 827 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L828" class="LineNr"> 828 </span> 68/push <span class="Constant">"ab"</span>/imm32 -<span id="L829" class="LineNr"> 829 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L830" class="LineNr"> 830 </span> <span class="subxS2Comment"># . . call</span> -<span id="L831" class="LineNr"> 831 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L832" class="LineNr"> 832 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L833" class="LineNr"> 833 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L834" class="LineNr"> 834 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> -<span id="L835" class="LineNr"> 835 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> -<span id="L836" class="LineNr"> 836 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L837" class="LineNr"> 837 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L838" class="LineNr"> 838 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> -<span id="L839" class="LineNr"> 839 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L840" class="LineNr"> 840 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte -<span id="L841" class="LineNr"> 841 </span> 51/push-ECX/ed -<span id="L842" class="LineNr"> 842 </span> <span class="subxS2Comment"># . . call</span> -<span id="L843" class="LineNr"> 843 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L844" class="LineNr"> 844 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L845" class="LineNr"> 845 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L846" class="LineNr"> 846 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> -<span id="L847" class="LineNr"> 847 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L848" class="LineNr"> 848 </span> 51/push-ECX/ed -<span id="L849" class="LineNr"> 849 </span> 68/push <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L850" class="LineNr"> 850 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L851" class="LineNr"> 851 </span> <span class="subxS2Comment"># . . call</span> -<span id="L852" class="LineNr"> 852 </span> e8/call <a href='hex.subx.html#L488'>scan-next-byte</a>/disp32 -<span id="L853" class="LineNr"> 853 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L854" class="LineNr"> 854 </span> <span class="subxComment"># pop args to scan-next-byte</span> -<span id="L855" class="LineNr"> 855 </span> <span class="subxS2Comment"># . . discard first 2 args</span> -<span id="L856" class="LineNr"> 856 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L857" class="LineNr"> 857 </span> <span class="subxS2Comment"># . . restore ed</span> -<span id="L858" class="LineNr"> 858 </span> 59/pop-to-ECX -<span id="L859" class="LineNr"> 859 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> -<span id="L860" class="LineNr"> 860 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> -<span id="L861" class="LineNr"> 861 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L862" class="LineNr"> 862 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L771'>test-scan-next-byte-skips-comment</a>: unexpected abort"</span>/imm32 -<span id="L863" class="LineNr"> 863 </span> 68/push 0/imm32 -<span id="L864" class="LineNr"> 864 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L865" class="LineNr"> 865 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L866" class="LineNr"> 866 </span> <span class="subxS2Comment"># . . call</span> -<span id="L867" class="LineNr"> 867 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L868" class="LineNr"> 868 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L869" class="LineNr"> 869 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L870" class="LineNr"> 870 </span> <span class="subxComment"># return if abort</span> -<span id="L871" class="LineNr"> 871 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> -<span id="L872" class="LineNr"> 872 </span> 75/jump-if-not-equal $test-scan-next-byte-skips-comment:end/disp8 -<span id="L873" class="LineNr"> 873 </span> <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span> -<span id="L874" class="LineNr"> 874 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L875" class="LineNr"> 875 </span> 68/push <span class="Constant">"F - test-scan-next-byte-skips-comment"</span>/imm32 -<span id="L876" class="LineNr"> 876 </span> 68/push 0x61/imm32/a -<span id="L877" class="LineNr"> 877 </span> 50/push-EAX -<span id="L878" class="LineNr"> 878 </span> <span class="subxS2Comment"># . . call</span> -<span id="L879" class="LineNr"> 879 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L880" class="LineNr"> 880 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L881" class="LineNr"> 881 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L882" class="LineNr"> 882 </span><span class="Constant">$test-scan-next-byte-skips-comment:end</span>: -<span id="L883" class="LineNr"> 883 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L884" class="LineNr"> 884 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> -<span id="L885" class="LineNr"> 885 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L886" class="LineNr"> 886 </span> 5d/pop-to-EBP -<span id="L887" class="LineNr"> 887 </span> c3/return -<span id="L888" class="LineNr"> 888 </span> -<span id="L889" class="LineNr"> 889 </span><span class="subxTest">test-scan-next-byte-skips-comment-and-whitespace</span>: -<span id="L890" class="LineNr"> 890 </span> <span class="subxH1Comment"># - check that the first byte after a comment and any further whitespace is returned</span> -<span id="L891" class="LineNr"> 891 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L892" class="LineNr"> 892 </span> 55/push-EBP -<span id="L893" class="LineNr"> 893 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L894" class="LineNr"> 894 </span> <span class="subxComment"># clear all streams</span> -<span id="L895" class="LineNr"> 895 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L896" class="LineNr"> 896 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L897" class="LineNr"> 897 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L898" class="LineNr"> 898 </span> <span class="subxS2Comment"># . . call</span> -<span id="L899" class="LineNr"> 899 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L900" class="LineNr"> 900 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L901" class="LineNr"> 901 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L902" class="LineNr"> 902 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L903" class="LineNr"> 903 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L904" class="LineNr"> 904 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L905" class="LineNr"> 905 </span> 05/add-to-EAX 4/imm32 -<span id="L906" class="LineNr"> 906 </span> 50/push-EAX -<span id="L907" class="LineNr"> 907 </span> <span class="subxS2Comment"># . . call</span> -<span id="L908" class="LineNr"> 908 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L909" class="LineNr"> 909 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L910" class="LineNr"> 910 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L911" class="LineNr"> 911 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L912" class="LineNr"> 912 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L913" class="LineNr"> 913 </span> 68/push <a href='hex.subx.html#L1512'>_test-error-stream</a>/imm32 -<span id="L914" class="LineNr"> 914 </span> <span class="subxS2Comment"># . . call</span> -<span id="L915" class="LineNr"> 915 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L916" class="LineNr"> 916 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L917" class="LineNr"> 917 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L918" class="LineNr"> 918 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> -<span id="L919" class="LineNr"> 919 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L920" class="LineNr"> 920 </span> b8/copy-to-EAX <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L921" class="LineNr"> 921 </span> 05/add-to-EAX 4/imm32 -<span id="L922" class="LineNr"> 922 </span> 50/push-EAX -<span id="L923" class="LineNr"> 923 </span> <span class="subxS2Comment"># . . call</span> -<span id="L924" class="LineNr"> 924 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L925" class="LineNr"> 925 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L926" class="LineNr"> 926 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L927" class="LineNr"> 927 </span> <span class="subxComment"># initialize '_test-stream' to input with leading comment and more whitespace after newline</span> -<span id="L928" class="LineNr"> 928 </span> <span class="subxS1Comment"># . write(_test-stream, comment)</span> -<span id="L929" class="LineNr"> 929 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L930" class="LineNr"> 930 </span> 68/push <span class="Constant">"#x"</span>/imm32 -<span id="L931" class="LineNr"> 931 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L932" class="LineNr"> 932 </span> <span class="subxS2Comment"># . . call</span> -<span id="L933" class="LineNr"> 933 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L934" class="LineNr"> 934 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L935" class="LineNr"> 935 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L936" class="LineNr"> 936 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> -<span id="L937" class="LineNr"> 937 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L938" class="LineNr"> 938 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L939" class="LineNr"> 939 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L940" class="LineNr"> 940 </span> <span class="subxS2Comment"># . . call</span> -<span id="L941" class="LineNr"> 941 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L942" class="LineNr"> 942 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L943" class="LineNr"> 943 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L944" class="LineNr"> 944 </span> <span class="subxS1Comment"># . write(_test-stream, real text)</span> -<span id="L945" class="LineNr"> 945 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L946" class="LineNr"> 946 </span> 68/push <span class="Constant">" ab"</span>/imm32 -<span id="L947" class="LineNr"> 947 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L948" class="LineNr"> 948 </span> <span class="subxS2Comment"># . . call</span> -<span id="L949" class="LineNr"> 949 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L950" class="LineNr"> 950 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L951" class="LineNr"> 951 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L952" class="LineNr"> 952 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> -<span id="L953" class="LineNr"> 953 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> -<span id="L954" class="LineNr"> 954 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L955" class="LineNr"> 955 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L956" class="LineNr"> 956 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> -<span id="L957" class="LineNr"> 957 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L958" class="LineNr"> 958 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte -<span id="L959" class="LineNr"> 959 </span> 51/push-ECX/ed -<span id="L960" class="LineNr"> 960 </span> <span class="subxS2Comment"># . . call</span> -<span id="L961" class="LineNr"> 961 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L962" class="LineNr"> 962 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L963" class="LineNr"> 963 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L964" class="LineNr"> 964 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> -<span id="L965" class="LineNr"> 965 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L966" class="LineNr"> 966 </span> 51/push-ECX/ed -<span id="L967" class="LineNr"> 967 </span> 68/push <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L968" class="LineNr"> 968 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L969" class="LineNr"> 969 </span> <span class="subxS2Comment"># . . call</span> -<span id="L970" class="LineNr"> 970 </span> e8/call <a href='hex.subx.html#L488'>scan-next-byte</a>/disp32 -<span id="L971" class="LineNr"> 971 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L972" class="LineNr"> 972 </span> <span class="subxComment"># pop args to scan-next-byte</span> -<span id="L973" class="LineNr"> 973 </span> <span class="subxS2Comment"># . . discard first 2 args</span> -<span id="L974" class="LineNr"> 974 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L975" class="LineNr"> 975 </span> <span class="subxS2Comment"># . . restore ed</span> -<span id="L976" class="LineNr"> 976 </span> 59/pop-to-ECX -<span id="L977" class="LineNr"> 977 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> -<span id="L978" class="LineNr"> 978 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> -<span id="L979" class="LineNr"> 979 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L980" class="LineNr"> 980 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L889'>test-scan-next-byte-skips-comment-and-whitespace</a>: unexpected abort"</span>/imm32 -<span id="L981" class="LineNr"> 981 </span> 68/push 0/imm32 -<span id="L982" class="LineNr"> 982 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L983" class="LineNr"> 983 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L984" class="LineNr"> 984 </span> <span class="subxS2Comment"># . . call</span> -<span id="L985" class="LineNr"> 985 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L986" class="LineNr"> 986 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L987" class="LineNr"> 987 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L988" class="LineNr"> 988 </span> <span class="subxComment"># return if abort</span> -<span id="L989" class="LineNr"> 989 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> -<span id="L990" class="LineNr"> 990 </span> 75/jump-if-not-equal $test-scan-next-byte-skips-comment-and-whitespace:end/disp8 -<span id="L991" class="LineNr"> 991 </span> <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span> -<span id="L992" class="LineNr"> 992 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L993" class="LineNr"> 993 </span> 68/push <span class="Constant">"F - test-scan-next-byte-skips-comment-and-whitespace"</span>/imm32 -<span id="L994" class="LineNr"> 994 </span> 68/push 0x61/imm32/a -<span id="L995" class="LineNr"> 995 </span> 50/push-EAX -<span id="L996" class="LineNr"> 996 </span> <span class="subxS2Comment"># . . call</span> -<span id="L997" class="LineNr"> 997 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L998" class="LineNr"> 998 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L999" class="LineNr"> 999 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1000" class="LineNr">1000 </span><span class="Constant">$test-scan-next-byte-skips-comment-and-whitespace:end</span>: -<span id="L1001" class="LineNr">1001 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L1002" class="LineNr">1002 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> -<span id="L1003" class="LineNr">1003 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1004" class="LineNr">1004 </span> 5d/pop-to-EBP -<span id="L1005" class="LineNr">1005 </span> c3/return -<span id="L1006" class="LineNr">1006 </span> -<span id="L1007" class="LineNr">1007 </span><span class="subxTest">test-scan-next-byte-skips-whitespace-and-comment</span>: -<span id="L1008" class="LineNr">1008 </span> <span class="subxH1Comment"># - check that the first byte after any whitespace and comments is returned</span> -<span id="L1009" class="LineNr">1009 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L1010" class="LineNr">1010 </span> 55/push-EBP -<span id="L1011" class="LineNr">1011 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L1012" class="LineNr">1012 </span> <span class="subxComment"># clear all streams</span> -<span id="L1013" class="LineNr">1013 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L1014" class="LineNr">1014 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1015" class="LineNr">1015 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1016" class="LineNr">1016 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1017" class="LineNr">1017 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1018" class="LineNr">1018 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1019" class="LineNr">1019 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1020" class="LineNr">1020 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L1021" class="LineNr">1021 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1022" class="LineNr">1022 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1023" class="LineNr">1023 </span> 05/add-to-EAX 4/imm32 -<span id="L1024" class="LineNr">1024 </span> 50/push-EAX -<span id="L1025" class="LineNr">1025 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1026" class="LineNr">1026 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1027" class="LineNr">1027 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1028" class="LineNr">1028 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1029" class="LineNr">1029 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L1030" class="LineNr">1030 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1031" class="LineNr">1031 </span> 68/push <a href='hex.subx.html#L1512'>_test-error-stream</a>/imm32 -<span id="L1032" class="LineNr">1032 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1033" class="LineNr">1033 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1034" class="LineNr">1034 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1035" class="LineNr">1035 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1036" class="LineNr">1036 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> -<span id="L1037" class="LineNr">1037 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1038" class="LineNr">1038 </span> b8/copy-to-EAX <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L1039" class="LineNr">1039 </span> 05/add-to-EAX 4/imm32 -<span id="L1040" class="LineNr">1040 </span> 50/push-EAX -<span id="L1041" class="LineNr">1041 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1042" class="LineNr">1042 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1043" class="LineNr">1043 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1044" class="LineNr">1044 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1045" class="LineNr">1045 </span> <span class="subxComment"># initialize '_test-stream' to input with leading whitespace and comment</span> -<span id="L1046" class="LineNr">1046 </span> <span class="subxS1Comment"># . write(_test-stream, comment)</span> -<span id="L1047" class="LineNr">1047 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1048" class="LineNr">1048 </span> 68/push <span class="Constant">" #x"</span>/imm32 -<span id="L1049" class="LineNr">1049 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1050" class="LineNr">1050 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1051" class="LineNr">1051 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L1052" class="LineNr">1052 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1053" class="LineNr">1053 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1054" class="LineNr">1054 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> -<span id="L1055" class="LineNr">1055 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1056" class="LineNr">1056 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L1057" class="LineNr">1057 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1058" class="LineNr">1058 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1059" class="LineNr">1059 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L1060" class="LineNr">1060 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1061" class="LineNr">1061 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1062" class="LineNr">1062 </span> <span class="subxS1Comment"># . write(_test-stream, real text)</span> -<span id="L1063" class="LineNr">1063 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1064" class="LineNr">1064 </span> 68/push <span class="Constant">"ab"</span>/imm32 -<span id="L1065" class="LineNr">1065 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1066" class="LineNr">1066 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1067" class="LineNr">1067 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L1068" class="LineNr">1068 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1069" class="LineNr">1069 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1070" class="LineNr">1070 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> -<span id="L1071" class="LineNr">1071 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> -<span id="L1072" class="LineNr">1072 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L1073" class="LineNr">1073 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L1074" class="LineNr">1074 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> -<span id="L1075" class="LineNr">1075 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1076" class="LineNr">1076 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte -<span id="L1077" class="LineNr">1077 </span> 51/push-ECX/ed -<span id="L1078" class="LineNr">1078 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1079" class="LineNr">1079 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L1080" class="LineNr">1080 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1081" class="LineNr">1081 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1082" class="LineNr">1082 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> -<span id="L1083" class="LineNr">1083 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1084" class="LineNr">1084 </span> 51/push-ECX/ed -<span id="L1085" class="LineNr">1085 </span> 68/push <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L1086" class="LineNr">1086 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1087" class="LineNr">1087 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1088" class="LineNr">1088 </span> e8/call <a href='hex.subx.html#L488'>scan-next-byte</a>/disp32 -<span id="L1089" class="LineNr">1089 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L1090" class="LineNr">1090 </span> <span class="subxComment"># pop args to scan-next-byte</span> -<span id="L1091" class="LineNr">1091 </span> <span class="subxS2Comment"># . . discard first 2 args</span> -<span id="L1092" class="LineNr">1092 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1093" class="LineNr">1093 </span> <span class="subxS2Comment"># . . restore ed</span> -<span id="L1094" class="LineNr">1094 </span> 59/pop-to-ECX -<span id="L1095" class="LineNr">1095 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> -<span id="L1096" class="LineNr">1096 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> -<span id="L1097" class="LineNr">1097 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1098" class="LineNr">1098 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L1007'>test-scan-next-byte-skips-whitespace-and-comment</a>: unexpected abort"</span>/imm32 -<span id="L1099" class="LineNr">1099 </span> 68/push 0/imm32 -<span id="L1100" class="LineNr">1100 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L1101" class="LineNr">1101 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L1102" class="LineNr">1102 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1103" class="LineNr">1103 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1104" class="LineNr">1104 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1105" class="LineNr">1105 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1106" class="LineNr">1106 </span> <span class="subxComment"># return if abort</span> -<span id="L1107" class="LineNr">1107 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> -<span id="L1108" class="LineNr">1108 </span> 75/jump-if-not-equal $test-scan-next-byte-skips-whitespace-and-comment:end/disp8 -<span id="L1109" class="LineNr">1109 </span> <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span> -<span id="L1110" class="LineNr">1110 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1111" class="LineNr">1111 </span> 68/push <span class="Constant">"F - test-scan-next-byte-skips-whitespace-and-comment"</span>/imm32 -<span id="L1112" class="LineNr">1112 </span> 68/push 0x61/imm32/a -<span id="L1113" class="LineNr">1113 </span> 50/push-EAX -<span id="L1114" class="LineNr">1114 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1115" class="LineNr">1115 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1116" class="LineNr">1116 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1117" class="LineNr">1117 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1118" class="LineNr">1118 </span><span class="Constant">$test-scan-next-byte-skips-whitespace-and-comment:end</span>: -<span id="L1119" class="LineNr">1119 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L1120" class="LineNr">1120 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> -<span id="L1121" class="LineNr">1121 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1122" class="LineNr">1122 </span> 5d/pop-to-EBP -<span id="L1123" class="LineNr">1123 </span> c3/return -<span id="L1124" class="LineNr">1124 </span> -<span id="L1125" class="LineNr">1125 </span><span class="subxTest">test-scan-next-byte-reads-final-byte</span>: -<span id="L1126" class="LineNr">1126 </span> <span class="subxH1Comment"># - check that the final byte in input is returned</span> -<span id="L1127" class="LineNr">1127 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L1128" class="LineNr">1128 </span> 55/push-EBP -<span id="L1129" class="LineNr">1129 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L1130" class="LineNr">1130 </span> <span class="subxComment"># clear all streams</span> -<span id="L1131" class="LineNr">1131 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L1132" class="LineNr">1132 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1133" class="LineNr">1133 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1134" class="LineNr">1134 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1135" class="LineNr">1135 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1136" class="LineNr">1136 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1137" class="LineNr">1137 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1138" class="LineNr">1138 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L1139" class="LineNr">1139 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1140" class="LineNr">1140 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1141" class="LineNr">1141 </span> 05/add-to-EAX 4/imm32 -<span id="L1142" class="LineNr">1142 </span> 50/push-EAX -<span id="L1143" class="LineNr">1143 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1144" class="LineNr">1144 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1145" class="LineNr">1145 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1146" class="LineNr">1146 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1147" class="LineNr">1147 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L1148" class="LineNr">1148 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1149" class="LineNr">1149 </span> 68/push <a href='hex.subx.html#L1512'>_test-error-stream</a>/imm32 -<span id="L1150" class="LineNr">1150 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1151" class="LineNr">1151 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1152" class="LineNr">1152 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1153" class="LineNr">1153 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1154" class="LineNr">1154 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> -<span id="L1155" class="LineNr">1155 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1156" class="LineNr">1156 </span> b8/copy-to-EAX <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L1157" class="LineNr">1157 </span> 05/add-to-EAX 4/imm32 -<span id="L1158" class="LineNr">1158 </span> 50/push-EAX -<span id="L1159" class="LineNr">1159 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1160" class="LineNr">1160 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1161" class="LineNr">1161 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1162" class="LineNr">1162 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1163" class="LineNr">1163 </span> <span class="subxComment"># initialize '_test-stream' to input with single character</span> -<span id="L1164" class="LineNr">1164 </span> <span class="subxS1Comment"># . write(_test-stream, character)</span> -<span id="L1165" class="LineNr">1165 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1166" class="LineNr">1166 </span> 68/push <span class="Constant">"a"</span>/imm32 -<span id="L1167" class="LineNr">1167 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1168" class="LineNr">1168 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1169" class="LineNr">1169 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L1170" class="LineNr">1170 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1171" class="LineNr">1171 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1172" class="LineNr">1172 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> -<span id="L1173" class="LineNr">1173 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> -<span id="L1174" class="LineNr">1174 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L1175" class="LineNr">1175 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L1176" class="LineNr">1176 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> -<span id="L1177" class="LineNr">1177 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1178" class="LineNr">1178 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte -<span id="L1179" class="LineNr">1179 </span> 51/push-ECX/ed -<span id="L1180" class="LineNr">1180 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1181" class="LineNr">1181 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L1182" class="LineNr">1182 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1183" class="LineNr">1183 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1184" class="LineNr">1184 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> -<span id="L1185" class="LineNr">1185 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1186" class="LineNr">1186 </span> 51/push-ECX/ed -<span id="L1187" class="LineNr">1187 </span> 68/push <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L1188" class="LineNr">1188 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1189" class="LineNr">1189 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1190" class="LineNr">1190 </span> e8/call <a href='hex.subx.html#L488'>scan-next-byte</a>/disp32 -<span id="L1191" class="LineNr">1191 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L1192" class="LineNr">1192 </span> <span class="subxComment"># pop args to scan-next-byte</span> -<span id="L1193" class="LineNr">1193 </span> <span class="subxS2Comment"># . . discard first 2 args</span> -<span id="L1194" class="LineNr">1194 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1195" class="LineNr">1195 </span> <span class="subxS2Comment"># . . restore ed</span> -<span id="L1196" class="LineNr">1196 </span> 59/pop-to-ECX -<span id="L1197" class="LineNr">1197 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> -<span id="L1198" class="LineNr">1198 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> -<span id="L1199" class="LineNr">1199 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1200" class="LineNr">1200 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L1125'>test-scan-next-byte-reads-final-byte</a>: unexpected abort"</span>/imm32 -<span id="L1201" class="LineNr">1201 </span> 68/push 0/imm32 -<span id="L1202" class="LineNr">1202 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L1203" class="LineNr">1203 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L1204" class="LineNr">1204 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1205" class="LineNr">1205 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1206" class="LineNr">1206 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1207" class="LineNr">1207 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1208" class="LineNr">1208 </span> <span class="subxComment"># return if abort</span> -<span id="L1209" class="LineNr">1209 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> -<span id="L1210" class="LineNr">1210 </span> 75/jump-if-not-equal $test-scan-next-byte-reads-final-byte:end/disp8 -<span id="L1211" class="LineNr">1211 </span> <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span> -<span id="L1212" class="LineNr">1212 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1213" class="LineNr">1213 </span> 68/push <span class="Constant">"F - test-scan-next-byte-reads-final-byte"</span>/imm32 -<span id="L1214" class="LineNr">1214 </span> 68/push 0x61/imm32/a -<span id="L1215" class="LineNr">1215 </span> 50/push-EAX -<span id="L1216" class="LineNr">1216 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1217" class="LineNr">1217 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1218" class="LineNr">1218 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1219" class="LineNr">1219 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1220" class="LineNr">1220 </span><span class="Constant">$test-scan-next-byte-reads-final-byte:end</span>: -<span id="L1221" class="LineNr">1221 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L1222" class="LineNr">1222 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> -<span id="L1223" class="LineNr">1223 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1224" class="LineNr">1224 </span> 5d/pop-to-EBP -<span id="L1225" class="LineNr">1225 </span> c3/return -<span id="L1226" class="LineNr">1226 </span> -<span id="L1227" class="LineNr">1227 </span><span class="subxTest">test-scan-next-byte-handles-eof</span>: -<span id="L1228" class="LineNr">1228 </span> <span class="subxH1Comment"># - check that the right sentinel value is returned when there's no data remaining to be read</span> -<span id="L1229" class="LineNr">1229 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L1230" class="LineNr">1230 </span> 55/push-EBP -<span id="L1231" class="LineNr">1231 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L1232" class="LineNr">1232 </span> <span class="subxComment"># clear all streams</span> -<span id="L1233" class="LineNr">1233 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L1234" class="LineNr">1234 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1235" class="LineNr">1235 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1236" class="LineNr">1236 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1237" class="LineNr">1237 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1238" class="LineNr">1238 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1239" class="LineNr">1239 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1240" class="LineNr">1240 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L1241" class="LineNr">1241 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1242" class="LineNr">1242 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1243" class="LineNr">1243 </span> 05/add-to-EAX 4/imm32 -<span id="L1244" class="LineNr">1244 </span> 50/push-EAX -<span id="L1245" class="LineNr">1245 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1246" class="LineNr">1246 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1247" class="LineNr">1247 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1248" class="LineNr">1248 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1249" class="LineNr">1249 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L1250" class="LineNr">1250 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1251" class="LineNr">1251 </span> 68/push <a href='hex.subx.html#L1512'>_test-error-stream</a>/imm32 -<span id="L1252" class="LineNr">1252 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1253" class="LineNr">1253 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1254" class="LineNr">1254 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1255" class="LineNr">1255 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1256" class="LineNr">1256 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> -<span id="L1257" class="LineNr">1257 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1258" class="LineNr">1258 </span> b8/copy-to-EAX <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L1259" class="LineNr">1259 </span> 05/add-to-EAX 4/imm32 -<span id="L1260" class="LineNr">1260 </span> 50/push-EAX -<span id="L1261" class="LineNr">1261 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1262" class="LineNr">1262 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1263" class="LineNr">1263 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1264" class="LineNr">1264 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1265" class="LineNr">1265 </span> <span class="subxComment"># leave '_test-stream' empty</span> -<span id="L1266" class="LineNr">1266 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> -<span id="L1267" class="LineNr">1267 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> -<span id="L1268" class="LineNr">1268 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L1269" class="LineNr">1269 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L1270" class="LineNr">1270 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> -<span id="L1271" class="LineNr">1271 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1272" class="LineNr">1272 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte -<span id="L1273" class="LineNr">1273 </span> 51/push-ECX/ed -<span id="L1274" class="LineNr">1274 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1275" class="LineNr">1275 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L1276" class="LineNr">1276 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1277" class="LineNr">1277 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1278" class="LineNr">1278 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> -<span id="L1279" class="LineNr">1279 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1280" class="LineNr">1280 </span> 51/push-ECX/ed -<span id="L1281" class="LineNr">1281 </span> 68/push <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L1282" class="LineNr">1282 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1283" class="LineNr">1283 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1284" class="LineNr">1284 </span> e8/call <a href='hex.subx.html#L488'>scan-next-byte</a>/disp32 -<span id="L1285" class="LineNr">1285 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L1286" class="LineNr">1286 </span> <span class="subxComment"># pop args to scan-next-byte</span> -<span id="L1287" class="LineNr">1287 </span> <span class="subxS2Comment"># . . discard first 2 args</span> -<span id="L1288" class="LineNr">1288 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1289" class="LineNr">1289 </span> <span class="subxS2Comment"># . . restore ed</span> -<span id="L1290" class="LineNr">1290 </span> 59/pop-to-ECX -<span id="L1291" class="LineNr">1291 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> -<span id="L1292" class="LineNr">1292 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> -<span id="L1293" class="LineNr">1293 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1294" class="LineNr">1294 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L1227'>test-scan-next-byte-handles-eof</a>: unexpected abort"</span>/imm32 -<span id="L1295" class="LineNr">1295 </span> 68/push 0/imm32 -<span id="L1296" class="LineNr">1296 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L1297" class="LineNr">1297 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L1298" class="LineNr">1298 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1299" class="LineNr">1299 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1300" class="LineNr">1300 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1301" class="LineNr">1301 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1302" class="LineNr">1302 </span> <span class="subxComment"># return if abort</span> -<span id="L1303" class="LineNr">1303 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> -<span id="L1304" class="LineNr">1304 </span> 75/jump-if-not-equal $test-scan-next-byte-handles-eof:end/disp8 -<span id="L1305" class="LineNr">1305 </span> <span class="subxComment"># check-ints-equal(EAX, 0xffffffff/eof, msg)</span> -<span id="L1306" class="LineNr">1306 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1307" class="LineNr">1307 </span> 68/push <span class="Constant">"F - test-scan-next-byte-handles-eof"</span>/imm32 -<span id="L1308" class="LineNr">1308 </span> 68/push 0xffffffff/imm32/eof -<span id="L1309" class="LineNr">1309 </span> 50/push-EAX -<span id="L1310" class="LineNr">1310 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1311" class="LineNr">1311 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1312" class="LineNr">1312 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1313" class="LineNr">1313 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1314" class="LineNr">1314 </span><span class="Constant">$test-scan-next-byte-handles-eof:end</span>: -<span id="L1315" class="LineNr">1315 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L1316" class="LineNr">1316 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> -<span id="L1317" class="LineNr">1317 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1318" class="LineNr">1318 </span> 5d/pop-to-EBP -<span id="L1319" class="LineNr">1319 </span> c3/return -<span id="L1320" class="LineNr">1320 </span> -<span id="L1321" class="LineNr">1321 </span><span class="subxTest">test-scan-next-byte-aborts-on-invalid-byte</span>: -<span id="L1322" class="LineNr">1322 </span> <span class="subxH1Comment"># - check that the a bad byte immediately aborts</span> -<span id="L1323" class="LineNr">1323 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> -<span id="L1324" class="LineNr">1324 </span> 55/push-EBP -<span id="L1325" class="LineNr">1325 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L1326" class="LineNr">1326 </span> <span class="subxComment"># clear all streams</span> -<span id="L1327" class="LineNr">1327 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L1328" class="LineNr">1328 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1329" class="LineNr">1329 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1330" class="LineNr">1330 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1331" class="LineNr">1331 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1332" class="LineNr">1332 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1333" class="LineNr">1333 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1334" class="LineNr">1334 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L1335" class="LineNr">1335 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1336" class="LineNr">1336 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1337" class="LineNr">1337 </span> 05/add-to-EAX 4/imm32 -<span id="L1338" class="LineNr">1338 </span> 50/push-EAX -<span id="L1339" class="LineNr">1339 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1340" class="LineNr">1340 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1341" class="LineNr">1341 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1342" class="LineNr">1342 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1343" class="LineNr">1343 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> -<span id="L1344" class="LineNr">1344 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1345" class="LineNr">1345 </span> 68/push <a href='hex.subx.html#L1512'>_test-error-stream</a>/imm32 -<span id="L1346" class="LineNr">1346 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1347" class="LineNr">1347 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1348" class="LineNr">1348 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1349" class="LineNr">1349 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1350" class="LineNr">1350 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> -<span id="L1351" class="LineNr">1351 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1352" class="LineNr">1352 </span> b8/copy-to-EAX <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L1353" class="LineNr">1353 </span> 05/add-to-EAX 4/imm32 -<span id="L1354" class="LineNr">1354 </span> 50/push-EAX -<span id="L1355" class="LineNr">1355 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1356" class="LineNr">1356 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1357" class="LineNr">1357 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1358" class="LineNr">1358 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1359" class="LineNr">1359 </span> <span class="subxComment"># initialize '_test-stream' to "x"</span> -<span id="L1360" class="LineNr">1360 </span> <span class="subxS1Comment"># . write(_test-stream, "x")</span> -<span id="L1361" class="LineNr">1361 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1362" class="LineNr">1362 </span> 68/push <span class="Constant">"x"</span>/imm32 -<span id="L1363" class="LineNr">1363 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1364" class="LineNr">1364 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1365" class="LineNr">1365 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L1366" class="LineNr">1366 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1367" class="LineNr">1367 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1368" class="LineNr">1368 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> -<span id="L1369" class="LineNr">1369 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> -<span id="L1370" class="LineNr">1370 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L1371" class="LineNr">1371 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L1372" class="LineNr">1372 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> -<span id="L1373" class="LineNr">1373 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1374" class="LineNr">1374 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte -<span id="L1375" class="LineNr">1375 </span> 51/push-ECX/ed -<span id="L1376" class="LineNr">1376 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1377" class="LineNr">1377 </span> e8/call <a href='../059stop.subx.html#L51'>tailor-exit-descriptor</a>/disp32 -<span id="L1378" class="LineNr">1378 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1379" class="LineNr">1379 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1380" class="LineNr">1380 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> -<span id="L1381" class="LineNr">1381 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1382" class="LineNr">1382 </span> 51/push-ECX/ed -<span id="L1383" class="LineNr">1383 </span> 68/push <a href='hex.subx.html#L1523'>_test-error-buffered-file</a>/imm32 -<span id="L1384" class="LineNr">1384 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1385" class="LineNr">1385 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1386" class="LineNr">1386 </span> e8/call <a href='hex.subx.html#L488'>scan-next-byte</a>/disp32 -<span id="L1387" class="LineNr">1387 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> -<span id="L1388" class="LineNr">1388 </span> <span class="subxComment"># pop args to scan-next-byte</span> -<span id="L1389" class="LineNr">1389 </span> <span class="subxS2Comment"># . . discard first 2 args</span> -<span id="L1390" class="LineNr">1390 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1391" class="LineNr">1391 </span> <span class="subxS2Comment"># . . restore ed</span> -<span id="L1392" class="LineNr">1392 </span> 59/pop-to-ECX -<span id="L1393" class="LineNr">1393 </span> <span class="subxComment"># check that scan-next-byte aborted</span> -<span id="L1394" class="LineNr">1394 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 2, msg)</span> -<span id="L1395" class="LineNr">1395 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1396" class="LineNr">1396 </span> 68/push <span class="Constant">"F - test-scan-next-byte-aborts-on-invalid-byte"</span>/imm32 -<span id="L1397" class="LineNr">1397 </span> 68/push 2/imm32 -<span id="L1398" class="LineNr">1398 </span> <span class="subxS2Comment"># . . push ed->value</span> -<span id="L1399" class="LineNr">1399 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> -<span id="L1400" class="LineNr">1400 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1401" class="LineNr">1401 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1402" class="LineNr">1402 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1403" class="LineNr">1403 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1404" class="LineNr">1404 </span><span class="Constant">$test-scan-next-byte-aborts-on-invalid-byte:end</span>: -<span id="L1405" class="LineNr">1405 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L1406" class="LineNr">1406 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> -<span id="L1407" class="LineNr">1407 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1408" class="LineNr">1408 </span> 5d/pop-to-EBP -<span id="L1409" class="LineNr">1409 </span> c3/return -<span id="L1410" class="LineNr">1410 </span> -<span id="L1411" class="LineNr">1411 </span><span class="subxFunction">skip-until-newline</span>: <span class="subxComment"># in : (address buffered-file) -> <void></span> -<span id="L1412" class="LineNr">1412 </span> <span class="subxComment"># pseudocode:</span> -<span id="L1413" class="LineNr">1413 </span> <span class="subxComment"># push EAX</span> -<span id="L1414" class="LineNr">1414 </span> <span class="subxComment"># repeatedly:</span> -<span id="L1415" class="LineNr">1415 </span> <span class="subxComment"># EAX = read-byte(in)</span> -<span id="L1416" class="LineNr">1416 </span> <span class="subxComment"># if (EAX == 0xffffffff) break</span> -<span id="L1417" class="LineNr">1417 </span> <span class="subxComment"># if (EAX == 0x0a) break</span> -<span id="L1418" class="LineNr">1418 </span> <span class="subxComment"># pop EAX</span> -<span id="L1419" class="LineNr">1419 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L1420" class="LineNr">1420 </span> 55/push-EBP -<span id="L1421" class="LineNr">1421 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L1422" class="LineNr">1422 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L1423" class="LineNr">1423 </span> 50/push-EAX -<span id="L1424" class="LineNr">1424 </span><span class="Constant">$skip-until-newline:loop</span>: -<span id="L1425" class="LineNr">1425 </span> <span class="subxS1Comment"># . EAX = read-byte(in)</span> -<span id="L1426" class="LineNr">1426 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1427" class="LineNr">1427 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L1428" class="LineNr">1428 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1429" class="LineNr">1429 </span> e8/call <a href='../061read-byte.subx.html#L45'>read-byte</a>/disp32 -<span id="L1430" class="LineNr">1430 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1431" class="LineNr">1431 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1432" class="LineNr">1432 </span> <span class="subxS1Comment"># . if (EAX == 0xffffffff) break</span> -<span id="L1433" class="LineNr">1433 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xffffffff/imm32 <span class="subxComment"># compare EAX</span> -<span id="L1434" class="LineNr">1434 </span> 74/jump-if-equal $skip-until-newline:end/disp8 -<span id="L1435" class="LineNr">1435 </span> <span class="subxS1Comment"># . if (EAX != 0xa/newline) loop</span> -<span id="L1436" class="LineNr">1436 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xa/imm32 <span class="subxComment"># compare EAX</span> -<span id="L1437" class="LineNr">1437 </span> 75/jump-if-not-equal $skip-until-newline:loop/disp8 -<span id="L1438" class="LineNr">1438 </span><span class="Constant">$skip-until-newline:end</span>: -<span id="L1439" class="LineNr">1439 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L1440" class="LineNr">1440 </span> 58/pop-to-EAX -<span id="L1441" class="LineNr">1441 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L1442" class="LineNr">1442 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L1443" class="LineNr">1443 </span> 5d/pop-to-EBP -<span id="L1444" class="LineNr">1444 </span> c3/return -<span id="L1445" class="LineNr">1445 </span> -<span id="L1446" class="LineNr">1446 </span><span class="subxTest">test-skip-until-newline</span>: -<span id="L1447" class="LineNr">1447 </span> <span class="subxH1Comment"># - check that the read pointer points after the newline</span> -<span id="L1448" class="LineNr">1448 </span> <span class="subxComment"># setup</span> -<span id="L1449" class="LineNr">1449 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L1450" class="LineNr">1450 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1451" class="LineNr">1451 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1452" class="LineNr">1452 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1453" class="LineNr">1453 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1454" class="LineNr">1454 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1455" class="LineNr">1455 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1456" class="LineNr">1456 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L1457" class="LineNr">1457 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1458" class="LineNr">1458 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1459" class="LineNr">1459 </span> 05/add-to-EAX 4/imm32 -<span id="L1460" class="LineNr">1460 </span> 50/push-EAX -<span id="L1461" class="LineNr">1461 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1462" class="LineNr">1462 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1463" class="LineNr">1463 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1464" class="LineNr">1464 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1465" class="LineNr">1465 </span> <span class="subxComment"># initialize '_test-stream' to "abc\nde"</span> -<span id="L1466" class="LineNr">1466 </span> <span class="subxS1Comment"># . write(_test-stream, "abc")</span> -<span id="L1467" class="LineNr">1467 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1468" class="LineNr">1468 </span> 68/push <span class="Constant">"abc"</span>/imm32 -<span id="L1469" class="LineNr">1469 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1470" class="LineNr">1470 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1471" class="LineNr">1471 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L1472" class="LineNr">1472 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1473" class="LineNr">1473 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1474" class="LineNr">1474 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> -<span id="L1475" class="LineNr">1475 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1476" class="LineNr">1476 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 -<span id="L1477" class="LineNr">1477 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1478" class="LineNr">1478 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1479" class="LineNr">1479 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L1480" class="LineNr">1480 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1481" class="LineNr">1481 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1482" class="LineNr">1482 </span> <span class="subxS1Comment"># . write(_test-stream, "de")</span> -<span id="L1483" class="LineNr">1483 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1484" class="LineNr">1484 </span> 68/push <span class="Constant">"de"</span>/imm32 -<span id="L1485" class="LineNr">1485 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1486" class="LineNr">1486 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1487" class="LineNr">1487 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L1488" class="LineNr">1488 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1489" class="LineNr">1489 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1490" class="LineNr">1490 </span> <span class="subxComment"># skip-until-newline(_test-buffered-file)</span> -<span id="L1491" class="LineNr">1491 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1492" class="LineNr">1492 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1493" class="LineNr">1493 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1494" class="LineNr">1494 </span> e8/call <a href='hex.subx.html#L1411'>skip-until-newline</a>/disp32 -<span id="L1495" class="LineNr">1495 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1496" class="LineNr">1496 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1497" class="LineNr">1497 </span> <span class="subxComment"># check-ints-equal(_test-buffered-file->read, 4, msg)</span> -<span id="L1498" class="LineNr">1498 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1499" class="LineNr">1499 </span> 68/push <span class="Constant">"F - test-skip-until-newline"</span>/imm32 -<span id="L1500" class="LineNr">1500 </span> 68/push 4/imm32 -<span id="L1501" class="LineNr">1501 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1502" class="LineNr">1502 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+8)</span> -<span id="L1503" class="LineNr">1503 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1504" class="LineNr">1504 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1505" class="LineNr">1505 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1506" class="LineNr">1506 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1507" class="LineNr">1507 </span> <span class="subxS1Comment"># . end</span> -<span id="L1508" class="LineNr">1508 </span> c3/return -<span id="L1509" class="LineNr">1509 </span> -<span id="L1510" class="LineNr">1510 </span>== data -<span id="L1511" class="LineNr">1511 </span> -<span id="L1512" class="LineNr">1512 </span><span class="subxMinorFunction">_test-error-stream</span>: -<span id="L1513" class="LineNr">1513 </span> <span class="subxComment"># current write index</span> -<span id="L1514" class="LineNr">1514 </span> 00 00 00 00 -<span id="L1515" class="LineNr">1515 </span> <span class="subxComment"># current read index</span> -<span id="L1516" class="LineNr">1516 </span> 00 00 00 00 -<span id="L1517" class="LineNr">1517 </span> <span class="subxComment"># length (= 8)</span> -<span id="L1518" class="LineNr">1518 </span> 08 00 00 00 -<span id="L1519" class="LineNr">1519 </span> <span class="subxComment"># data</span> -<span id="L1520" class="LineNr">1520 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> -<span id="L1521" class="LineNr">1521 </span> -<span id="L1522" class="LineNr">1522 </span><span class="subxComment"># a test buffered file for _test-stream</span> -<span id="L1523" class="LineNr">1523 </span><span class="subxMinorFunction">_test-error-buffered-file</span>: -<span id="L1524" class="LineNr">1524 </span> <span class="subxComment"># file descriptor or (address stream)</span> -<span id="L1525" class="LineNr">1525 </span> <a href='hex.subx.html#L1512'>_test-error-stream</a>/imm32 -<span id="L1526" class="LineNr">1526 </span> <span class="subxComment"># current write index</span> -<span id="L1527" class="LineNr">1527 </span> 00 00 00 00 -<span id="L1528" class="LineNr">1528 </span> <span class="subxComment"># current read index</span> -<span id="L1529" class="LineNr">1529 </span> 00 00 00 00 -<span id="L1530" class="LineNr">1530 </span> <span class="subxComment"># length (6)</span> -<span id="L1531" class="LineNr">1531 </span> 06 00 00 00 -<span id="L1532" class="LineNr">1532 </span> <span class="subxComment"># data</span> -<span id="L1533" class="LineNr">1533 </span> 00 00 00 00 00 00 <span class="subxComment"># 6 bytes</span> -<span id="L1534" class="LineNr">1534 </span> -<span id="L1535" class="LineNr">1535 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L20" class="LineNr"> 20 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># run tests if necessary, convert stdin if not</span> +<span id="L21" class="LineNr"> 21 </span> +<span id="L22" class="LineNr"> 22 </span><span class="CommentedCode">#? # for debugging: run a single test</span> +<span id="L23" class="LineNr"> 23 </span><span class="CommentedCode">#? e8/call test-skip-until-newline/disp32</span> +<span id="L24" class="LineNr"> 24 </span><span class="CommentedCode">#? 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX</span> +<span id="L25" class="LineNr"> 25 </span><span class="CommentedCode">#? eb/jump $main:end/disp8</span> +<span id="L26" class="LineNr"> 26 </span> +<span id="L27" class="LineNr"> 27 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L28" class="LineNr"> 28 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L29" class="LineNr"> 29 </span> <span class="subxH1Comment"># - if argc > 1 and argv[1] == "test", then return run_tests()</span> +<span id="L30" class="LineNr"> 30 </span> <span class="subxS1Comment"># . argc > 1</span> +<span id="L31" class="LineNr"> 31 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/disp8 1/imm32 <span class="subxComment"># compare *EBP</span> +<span id="L32" class="LineNr"> 32 </span> 7e/jump-if-lesser-or-equal $run-main/disp8 +<span id="L33" class="LineNr"> 33 </span> <span class="subxS1Comment"># . argv[1] == "test"</span> +<span id="L34" class="LineNr"> 34 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L35" class="LineNr"> 35 </span> 68/push <span class="Constant">"test"</span>/imm32 +<span id="L36" class="LineNr"> 36 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L37" class="LineNr"> 37 </span> <span class="subxS2Comment"># . . call</span> +<span id="L38" class="LineNr"> 38 </span> e8/call <a href='../052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 +<span id="L39" class="LineNr"> 39 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L40" class="LineNr"> 40 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L41" class="LineNr"> 41 </span> <span class="subxS1Comment"># . check result</span> +<span id="L42" class="LineNr"> 42 </span> 3d/compare-EAX 1/imm32 +<span id="L43" class="LineNr"> 43 </span> 75/jump-if-not-equal $run-main/disp8 +<span id="L44" class="LineNr"> 44 </span> <span class="subxS1Comment"># . run-tests()</span> +<span id="L45" class="LineNr"> 45 </span> e8/call run-tests/disp32 +<span id="L46" class="LineNr"> 46 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='../051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> +<span id="L47" class="LineNr"> 47 </span> eb/jump $main:end/disp8 +<span id="L48" class="LineNr"> 48 </span><span class="Constant">$run-main</span>: +<span id="L49" class="LineNr"> 49 </span> <span class="subxH1Comment"># - otherwise convert stdin</span> +<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># var ed/EAX : exit-descriptor</span> +<span id="L51" class="LineNr"> 51 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L52" class="LineNr"> 52 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> +<span id="L53" class="LineNr"> 53 </span> <span class="subxComment"># configure ed to really exit()</span> +<span id="L54" class="LineNr"> 54 </span> <span class="subxS1Comment"># . ed->target = 0</span> +<span id="L55" class="LineNr"> 55 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> +<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># return convert(Stdin, 1/stdout, 2/stderr, ed)</span> +<span id="L57" class="LineNr"> 57 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L58" class="LineNr"> 58 </span> 50/push-EAX/ed +<span id="L59" class="LineNr"> 59 </span> 68/push <span class="SpecialChar"><a href='../068error-byte.subx.html#L94'>Stderr</a></span>/imm32 +<span id="L60" class="LineNr"> 60 </span> 68/push <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span>/imm32 +<span id="L61" class="LineNr"> 61 </span> 68/push <span class="SpecialChar"><a href='../061read-byte.subx.html#L14'>Stdin</a></span>/imm32 +<span id="L62" class="LineNr"> 62 </span> <span class="subxS2Comment"># . . call</span> +<span id="L63" class="LineNr"> 63 </span> e8/call <a href='hex.subx.html#L73'>convert</a>/disp32 +<span id="L64" class="LineNr"> 64 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L65" class="LineNr"> 65 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L66" class="LineNr"> 66 </span> <span class="subxS1Comment"># . syscall(exit, 0)</span> +<span id="L67" class="LineNr"> 67 </span> bb/copy-to-EBX 0/imm32 +<span id="L68" class="LineNr"> 68 </span><span class="Constant">$main:end</span>: +<span id="L69" class="LineNr"> 69 </span> b8/copy-to-EAX 1/imm32/exit +<span id="L70" class="LineNr"> 70 </span> cd/syscall 0x80/imm8 +<span id="L71" class="LineNr"> 71 </span> +<span id="L72" class="LineNr"> 72 </span><span class="subxComment"># the main entry point</span> +<span id="L73" class="LineNr"> 73 </span><span class="subxFunction">convert</span>: <span class="subxComment"># in : (address buffered-file), out : (address buffered-file), err : (address buffered-file), ed : (address exit-descriptor) -> <void></span> +<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># pseudocode:</span> +<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># repeatedly</span> +<span id="L76" class="LineNr"> 76 </span> <span class="subxComment"># EAX = convert-next-octet(in, err, ed)</span> +<span id="L77" class="LineNr"> 77 </span> <span class="subxComment"># if (EAX == 0xffffffff) break # eof</span> +<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># write-byte(out, AL)</span> +<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># flush(out)</span> +<span id="L80" class="LineNr"> 80 </span> <span class="subxComment">#</span> +<span id="L81" class="LineNr"> 81 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L82" class="LineNr"> 82 </span> 55/push-EBP +<span id="L83" class="LineNr"> 83 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L84" class="LineNr"> 84 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L85" class="LineNr"> 85 </span> 50/push-EAX +<span id="L86" class="LineNr"> 86 </span><span class="Constant">$convert:loop</span>: +<span id="L87" class="LineNr"> 87 </span> <span class="subxComment"># EAX = convert-next-octet(in, err, ed)</span> +<span id="L88" class="LineNr"> 88 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L89" class="LineNr"> 89 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+20)</span> +<span id="L90" class="LineNr"> 90 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L91" class="LineNr"> 91 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . call</span> +<span id="L93" class="LineNr"> 93 </span> e8/call <a href='hex.subx.html#L131'>convert-next-octet</a>/disp32 +<span id="L94" class="LineNr"> 94 </span> <span class="subxS2Comment"># . . discard first 2 args</span> +<span id="L95" class="LineNr"> 95 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L96" class="LineNr"> 96 </span> <span class="subxComment"># if (EAX == 0xffffffff) break</span> +<span id="L97" class="LineNr"> 97 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xffffffff/imm32 <span class="subxComment"># compare EAX</span> +<span id="L98" class="LineNr"> 98 </span> 74/jump-if-equal $convert:loop-end/disp8 +<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># write-byte(out, AL)</span> +<span id="L100" class="LineNr"> 100 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L101" class="LineNr"> 101 </span> 50/push-EAX +<span id="L102" class="LineNr"> 102 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L103" class="LineNr"> 103 </span> <span class="subxS2Comment"># . . call</span> +<span id="L104" class="LineNr"> 104 </span> e8/call <a href='../064write-byte.subx.html#L31'>write-byte</a>/disp32 +<span id="L105" class="LineNr"> 105 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L106" class="LineNr"> 106 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L107" class="LineNr"> 107 </span> <span class="subxComment"># loop</span> +<span id="L108" class="LineNr"> 108 </span> eb/jump $convert:loop/disp8 +<span id="L109" class="LineNr"> 109 </span><span class="Constant">$convert:loop-end</span>: +<span id="L110" class="LineNr"> 110 </span> <span class="subxComment"># flush(out)</span> +<span id="L111" class="LineNr"> 111 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L112" class="LineNr"> 112 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L113" class="LineNr"> 113 </span> <span class="subxS2Comment"># . . call</span> +<span id="L114" class="LineNr"> 114 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L115" class="LineNr"> 115 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L116" class="LineNr"> 116 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L117" class="LineNr"> 117 </span><span class="Constant">$convert:end</span>: +<span id="L118" class="LineNr"> 118 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L119" class="LineNr"> 119 </span> 58/pop-to-EAX +<span id="L120" class="LineNr"> 120 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L121" class="LineNr"> 121 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L122" class="LineNr"> 122 </span> 5d/pop-to-EBP +<span id="L123" class="LineNr"> 123 </span> c3/return +<span id="L124" class="LineNr"> 124 </span> +<span id="L125" class="LineNr"> 125 </span><span class="subxComment"># read bytes from 'in' until a sequence of two lowercase hex (0-9, a-f) bytes</span> +<span id="L126" class="LineNr"> 126 </span><span class="subxComment"># skip spaces and newlines</span> +<span id="L127" class="LineNr"> 127 </span><span class="subxComment"># on '#' skip bytes until newline</span> +<span id="L128" class="LineNr"> 128 </span><span class="subxComment"># raise an error and abort on all other unexpected bytes</span> +<span id="L129" class="LineNr"> 129 </span><span class="subxComment"># return in EAX an _octet_ containing the binary value of the two hex characters</span> +<span id="L130" class="LineNr"> 130 </span><span class="subxComment"># return 0xffffffff on end of file</span> +<span id="L131" class="LineNr"> 131 </span><span class="subxFunction">convert-next-octet</span>: <span class="subxComment"># in : (address buffered-file), err : (address buffered-file), ed : (address exit-descriptor) -> byte-or-eof/EAX</span> +<span id="L132" class="LineNr"> 132 </span> <span class="subxComment"># pseudocode:</span> +<span id="L133" class="LineNr"> 133 </span> <span class="subxComment"># EAX = scan-next-byte(in, err, ed)</span> +<span id="L134" class="LineNr"> 134 </span> <span class="subxComment"># if (EAX == 0xffffffff) return</span> +<span id="L135" class="LineNr"> 135 </span> <span class="subxComment"># ECX = from-hex-char(EAX)</span> +<span id="L136" class="LineNr"> 136 </span> <span class="subxComment"># EAX = scan-next-byte(in, err, ed)</span> +<span id="L137" class="LineNr"> 137 </span> <span class="subxComment"># if (EAX == 0xffffffff) error("partial byte found.")</span> +<span id="L138" class="LineNr"> 138 </span> <span class="subxComment"># EAX = from-hex-char(EAX)</span> +<span id="L139" class="LineNr"> 139 </span> <span class="subxComment"># EAX = (ECX << 4) | EAX</span> +<span id="L140" class="LineNr"> 140 </span> <span class="subxComment"># return</span> +<span id="L141" class="LineNr"> 141 </span> <span class="subxComment">#</span> +<span id="L142" class="LineNr"> 142 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L143" class="LineNr"> 143 </span> 55/push-EBP +<span id="L144" class="LineNr"> 144 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L145" class="LineNr"> 145 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L146" class="LineNr"> 146 </span> 51/push-ECX +<span id="L147" class="LineNr"> 147 </span> <span class="subxComment"># EAX = scan-next-byte(in, err, ed)</span> +<span id="L148" class="LineNr"> 148 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L149" class="LineNr"> 149 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L150" class="LineNr"> 150 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L151" class="LineNr"> 151 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L152" class="LineNr"> 152 </span> <span class="subxS2Comment"># . . call</span> +<span id="L153" class="LineNr"> 153 </span> e8/call <a href='hex.subx.html#L489'>scan-next-byte</a>/disp32 +<span id="L154" class="LineNr"> 154 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L155" class="LineNr"> 155 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L156" class="LineNr"> 156 </span> <span class="subxComment"># if (EAX == 0xffffffff) return</span> +<span id="L157" class="LineNr"> 157 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xffffffff/imm32 <span class="subxComment"># compare EAX</span> +<span id="L158" class="LineNr"> 158 </span> 74/jump-if-equal $convert-next-octet:end/disp8 +<span id="L159" class="LineNr"> 159 </span> <span class="subxComment"># EAX = from-hex-char(EAX)</span> +<span id="L160" class="LineNr"> 160 </span> e8/call <a href='../065hex.subx.html#L732'>from-hex-char</a>/disp32 +<span id="L161" class="LineNr"> 161 </span> <span class="subxComment"># ECX = EAX</span> +<span id="L162" class="LineNr"> 162 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to ECX</span> +<span id="L163" class="LineNr"> 163 </span> <span class="subxComment"># EAX = scan-next-byte(in, err, ed)</span> +<span id="L164" class="LineNr"> 164 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L165" class="LineNr"> 165 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L166" class="LineNr"> 166 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L167" class="LineNr"> 167 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L168" class="LineNr"> 168 </span> <span class="subxS2Comment"># . . call</span> +<span id="L169" class="LineNr"> 169 </span> e8/call <a href='hex.subx.html#L489'>scan-next-byte</a>/disp32 +<span id="L170" class="LineNr"> 170 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L171" class="LineNr"> 171 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L172" class="LineNr"> 172 </span> <span class="subxComment"># if (EAX == 0xffffffff) error(ed, err, "partial byte found.")</span> +<span id="L173" class="LineNr"> 173 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xffffffff/imm32 <span class="subxComment"># compare EAX</span> +<span id="L174" class="LineNr"> 174 </span> 75/jump-if-not-equal $convert-next-octet:<a href='hex.subx.html#L73'>convert</a>/disp8 +<span id="L175" class="LineNr"> 175 </span> <span class="subxS1Comment"># . error-byte(ed, err, msg, '.') # reusing error-byte to avoid creating _yet_ another helper</span> +<span id="L176" class="LineNr"> 176 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L177" class="LineNr"> 177 </span> 68/push 0x2e/imm32/period/dummy +<span id="L178" class="LineNr"> 178 </span> 68/push <span class="Constant">"convert-next-octet: partial byte found"</span>/imm32 +<span id="L179" class="LineNr"> 179 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L180" class="LineNr"> 180 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L181" class="LineNr"> 181 </span> <span class="subxS2Comment"># . . call</span> +<span id="L182" class="LineNr"> 182 </span> e8/call <a href='../068error-byte.subx.html#L27'>error-byte</a>/disp32 <span class="subxComment"># never returns</span> +<span id="L183" class="LineNr"> 183 </span><span class="Constant">$convert-next-octet:<a href='hex.subx.html#L73'>convert</a></span>: +<span id="L184" class="LineNr"> 184 </span> <span class="subxComment"># EAX = from-hex-char(EAX)</span> +<span id="L185" class="LineNr"> 185 </span> e8/call <a href='../065hex.subx.html#L732'>from-hex-char</a>/disp32 +<span id="L186" class="LineNr"> 186 </span> <span class="subxComment"># EAX = (ECX << 4) | EAX</span> +<span id="L187" class="LineNr"> 187 </span> <span class="subxS1Comment"># . ECX <<= 4</span> +<span id="L188" class="LineNr"> 188 </span> c1/shift 4/subop/left 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm8 <span class="subxComment"># shift ECX left by 4 bits</span> +<span id="L189" class="LineNr"> 189 </span> <span class="subxS1Comment"># . EAX |= ECX</span> +<span id="L190" class="LineNr"> 190 </span> 09/or 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># EAX = bitwise OR with ECX</span> +<span id="L191" class="LineNr"> 191 </span><span class="Constant">$convert-next-octet:end</span>: +<span id="L192" class="LineNr"> 192 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L193" class="LineNr"> 193 </span> 59/pop-to-ECX +<span id="L194" class="LineNr"> 194 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L195" class="LineNr"> 195 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L196" class="LineNr"> 196 </span> 5d/pop-to-EBP +<span id="L197" class="LineNr"> 197 </span> c3/return +<span id="L198" class="LineNr"> 198 </span> +<span id="L199" class="LineNr"> 199 </span><span class="subxTest">test-convert-next-octet</span>: +<span id="L200" class="LineNr"> 200 </span> <span class="subxH1Comment"># - check that the first two bytes of the input are assembled into the resulting octet</span> +<span id="L201" class="LineNr"> 201 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L202" class="LineNr"> 202 </span> 55/push-EBP +<span id="L203" class="LineNr"> 203 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L204" class="LineNr"> 204 </span> <span class="subxComment"># clear all streams</span> +<span id="L205" class="LineNr"> 205 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L206" class="LineNr"> 206 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L207" class="LineNr"> 207 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L208" class="LineNr"> 208 </span> <span class="subxS2Comment"># . . call</span> +<span id="L209" class="LineNr"> 209 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L210" class="LineNr"> 210 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L211" class="LineNr"> 211 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L212" class="LineNr"> 212 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L213" class="LineNr"> 213 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L214" class="LineNr"> 214 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L215" class="LineNr"> 215 </span> 05/add-to-EAX 4/imm32 +<span id="L216" class="LineNr"> 216 </span> 50/push-EAX +<span id="L217" class="LineNr"> 217 </span> <span class="subxS2Comment"># . . call</span> +<span id="L218" class="LineNr"> 218 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L219" class="LineNr"> 219 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L220" class="LineNr"> 220 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L221" class="LineNr"> 221 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L222" class="LineNr"> 222 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L223" class="LineNr"> 223 </span> 68/push <a href='hex.subx.html#L1513'>_test-error-stream</a>/imm32 +<span id="L224" class="LineNr"> 224 </span> <span class="subxS2Comment"># . . call</span> +<span id="L225" class="LineNr"> 225 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L226" class="LineNr"> 226 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L227" class="LineNr"> 227 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L228" class="LineNr"> 228 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> +<span id="L229" class="LineNr"> 229 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L230" class="LineNr"> 230 </span> b8/copy-to-EAX <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L231" class="LineNr"> 231 </span> 05/add-to-EAX 4/imm32 +<span id="L232" class="LineNr"> 232 </span> 50/push-EAX +<span id="L233" class="LineNr"> 233 </span> <span class="subxS2Comment"># . . call</span> +<span id="L234" class="LineNr"> 234 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L235" class="LineNr"> 235 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L236" class="LineNr"> 236 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L237" class="LineNr"> 237 </span> <span class="subxComment"># initialize '_test-stream' to "abc"</span> +<span id="L238" class="LineNr"> 238 </span> <span class="subxS1Comment"># . write(_test-stream, "abc")</span> +<span id="L239" class="LineNr"> 239 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L240" class="LineNr"> 240 </span> 68/push <span class="Constant">"abc"</span>/imm32 +<span id="L241" class="LineNr"> 241 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L242" class="LineNr"> 242 </span> <span class="subxS2Comment"># . . call</span> +<span id="L243" class="LineNr"> 243 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L244" class="LineNr"> 244 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L245" class="LineNr"> 245 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L246" class="LineNr"> 246 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'convert-next-octet' below</span> +<span id="L247" class="LineNr"> 247 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> +<span id="L248" class="LineNr"> 248 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L249" class="LineNr"> 249 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L250" class="LineNr"> 250 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> +<span id="L251" class="LineNr"> 251 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L252" class="LineNr"> 252 </span> 68/push 0xc/imm32/nbytes-of-args-for-convert-next-octet +<span id="L253" class="LineNr"> 253 </span> 51/push-ECX/ed +<span id="L254" class="LineNr"> 254 </span> <span class="subxS2Comment"># . . call</span> +<span id="L255" class="LineNr"> 255 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L256" class="LineNr"> 256 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L257" class="LineNr"> 257 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L258" class="LineNr"> 258 </span> <span class="subxComment"># EAX = convert-next-octet(_test-buffered-file, _test-error-buffered-file, ed)</span> +<span id="L259" class="LineNr"> 259 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L260" class="LineNr"> 260 </span> 51/push-ECX/ed +<span id="L261" class="LineNr"> 261 </span> 68/push <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L262" class="LineNr"> 262 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L263" class="LineNr"> 263 </span> <span class="subxS2Comment"># . . call</span> +<span id="L264" class="LineNr"> 264 </span> e8/call <a href='hex.subx.html#L131'>convert-next-octet</a>/disp32 +<span id="L265" class="LineNr"> 265 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L266" class="LineNr"> 266 </span> <span class="subxComment"># pop args to convert-next-octet</span> +<span id="L267" class="LineNr"> 267 </span> <span class="subxS2Comment"># . . discard first 2 args</span> +<span id="L268" class="LineNr"> 268 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L269" class="LineNr"> 269 </span> <span class="subxS2Comment"># . . restore ed</span> +<span id="L270" class="LineNr"> 270 </span> 59/pop-to-ECX +<span id="L271" class="LineNr"> 271 </span> <span class="subxComment"># check that convert-next-octet didn't abort</span> +<span id="L272" class="LineNr"> 272 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> +<span id="L273" class="LineNr"> 273 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L274" class="LineNr"> 274 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L199'>test-convert-next-octet</a>: unexpected abort"</span>/imm32 +<span id="L275" class="LineNr"> 275 </span> 68/push 0/imm32 +<span id="L276" class="LineNr"> 276 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L277" class="LineNr"> 277 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L278" class="LineNr"> 278 </span> <span class="subxS2Comment"># . . call</span> +<span id="L279" class="LineNr"> 279 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L280" class="LineNr"> 280 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L281" class="LineNr"> 281 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L282" class="LineNr"> 282 </span> <span class="subxComment"># return if abort</span> +<span id="L283" class="LineNr"> 283 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> +<span id="L284" class="LineNr"> 284 </span> 75/jump-if-not-equal $test-convert-next-octet:end/disp8 +<span id="L285" class="LineNr"> 285 </span> <span class="subxComment"># check-ints-equal(EAX, 0xab, msg)</span> +<span id="L286" class="LineNr"> 286 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L287" class="LineNr"> 287 </span> 68/push <span class="Constant">"F - test-convert-next-octet"</span>/imm32 +<span id="L288" class="LineNr"> 288 </span> 68/push 0xab/imm32/ab +<span id="L289" class="LineNr"> 289 </span> 50/push-EAX +<span id="L290" class="LineNr"> 290 </span> <span class="subxS2Comment"># . . call</span> +<span id="L291" class="LineNr"> 291 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L292" class="LineNr"> 292 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L293" class="LineNr"> 293 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L294" class="LineNr"> 294 </span><span class="Constant">$test-convert-next-octet:end</span>: +<span id="L295" class="LineNr"> 295 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L296" class="LineNr"> 296 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> +<span id="L297" class="LineNr"> 297 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L298" class="LineNr"> 298 </span> 5d/pop-to-EBP +<span id="L299" class="LineNr"> 299 </span> c3/return +<span id="L300" class="LineNr"> 300 </span> +<span id="L301" class="LineNr"> 301 </span><span class="subxTest">test-convert-next-octet-handles-eof</span>: +<span id="L302" class="LineNr"> 302 </span> <span class="subxH1Comment"># - check that eof returns the sentinel octet</span> +<span id="L303" class="LineNr"> 303 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L304" class="LineNr"> 304 </span> 55/push-EBP +<span id="L305" class="LineNr"> 305 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L306" class="LineNr"> 306 </span> <span class="subxComment"># clear all streams</span> +<span id="L307" class="LineNr"> 307 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L308" class="LineNr"> 308 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L309" class="LineNr"> 309 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L310" class="LineNr"> 310 </span> <span class="subxS2Comment"># . . call</span> +<span id="L311" class="LineNr"> 311 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L312" class="LineNr"> 312 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L313" class="LineNr"> 313 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L314" class="LineNr"> 314 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L315" class="LineNr"> 315 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L316" class="LineNr"> 316 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L317" class="LineNr"> 317 </span> 05/add-to-EAX 4/imm32 +<span id="L318" class="LineNr"> 318 </span> 50/push-EAX +<span id="L319" class="LineNr"> 319 </span> <span class="subxS2Comment"># . . call</span> +<span id="L320" class="LineNr"> 320 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L321" class="LineNr"> 321 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L322" class="LineNr"> 322 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L323" class="LineNr"> 323 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L324" class="LineNr"> 324 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L325" class="LineNr"> 325 </span> 68/push <a href='hex.subx.html#L1513'>_test-error-stream</a>/imm32 +<span id="L326" class="LineNr"> 326 </span> <span class="subxS2Comment"># . . call</span> +<span id="L327" class="LineNr"> 327 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L328" class="LineNr"> 328 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L329" class="LineNr"> 329 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L330" class="LineNr"> 330 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> +<span id="L331" class="LineNr"> 331 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L332" class="LineNr"> 332 </span> b8/copy-to-EAX <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L333" class="LineNr"> 333 </span> 05/add-to-EAX 4/imm32 +<span id="L334" class="LineNr"> 334 </span> 50/push-EAX +<span id="L335" class="LineNr"> 335 </span> <span class="subxS2Comment"># . . call</span> +<span id="L336" class="LineNr"> 336 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L337" class="LineNr"> 337 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L338" class="LineNr"> 338 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L339" class="LineNr"> 339 </span> <span class="subxComment"># don't initialize '_test-stream'</span> +<span id="L340" class="LineNr"> 340 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'convert-next-octet' below</span> +<span id="L341" class="LineNr"> 341 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> +<span id="L342" class="LineNr"> 342 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L343" class="LineNr"> 343 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L344" class="LineNr"> 344 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> +<span id="L345" class="LineNr"> 345 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L346" class="LineNr"> 346 </span> 68/push 0xc/imm32/nbytes-of-args-for-convert-next-octet +<span id="L347" class="LineNr"> 347 </span> 51/push-ECX/ed +<span id="L348" class="LineNr"> 348 </span> <span class="subxS2Comment"># . . call</span> +<span id="L349" class="LineNr"> 349 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L350" class="LineNr"> 350 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L351" class="LineNr"> 351 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L352" class="LineNr"> 352 </span> <span class="subxComment"># EAX = convert-next-octet(_test-buffered-file, _test-error-buffered-file, ed)</span> +<span id="L353" class="LineNr"> 353 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L354" class="LineNr"> 354 </span> 51/push-ECX/ed +<span id="L355" class="LineNr"> 355 </span> 68/push <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L356" class="LineNr"> 356 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L357" class="LineNr"> 357 </span> <span class="subxS2Comment"># . . call</span> +<span id="L358" class="LineNr"> 358 </span> e8/call <a href='hex.subx.html#L131'>convert-next-octet</a>/disp32 +<span id="L359" class="LineNr"> 359 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L360" class="LineNr"> 360 </span> <span class="subxComment"># pop args to convert-next-octet</span> +<span id="L361" class="LineNr"> 361 </span> <span class="subxS2Comment"># . . discard first 2 args</span> +<span id="L362" class="LineNr"> 362 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L363" class="LineNr"> 363 </span> <span class="subxS2Comment"># . . restore ed</span> +<span id="L364" class="LineNr"> 364 </span> 59/pop-to-ECX +<span id="L365" class="LineNr"> 365 </span> <span class="subxComment"># check that convert-next-octet didn't abort</span> +<span id="L366" class="LineNr"> 366 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> +<span id="L367" class="LineNr"> 367 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L368" class="LineNr"> 368 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L199'>test-convert-next-octet</a>: unexpected abort"</span>/imm32 +<span id="L369" class="LineNr"> 369 </span> 68/push 0/imm32 +<span id="L370" class="LineNr"> 370 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L371" class="LineNr"> 371 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L372" class="LineNr"> 372 </span> <span class="subxS2Comment"># . . call</span> +<span id="L373" class="LineNr"> 373 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L374" class="LineNr"> 374 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L375" class="LineNr"> 375 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L376" class="LineNr"> 376 </span> <span class="subxComment"># return if abort</span> +<span id="L377" class="LineNr"> 377 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> +<span id="L378" class="LineNr"> 378 </span> 75/jump-if-not-equal $test-convert-next-octet-handles-eof:end/disp8 +<span id="L379" class="LineNr"> 379 </span> <span class="subxComment"># check-ints-equal(EAX, 0xffffffff, msg)</span> +<span id="L380" class="LineNr"> 380 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L381" class="LineNr"> 381 </span> 68/push <span class="Constant">"F - test-convert-next-octet-handles-eof"</span>/imm32 +<span id="L382" class="LineNr"> 382 </span> 68/push 0xffffffff/imm32/eof +<span id="L383" class="LineNr"> 383 </span> 50/push-EAX +<span id="L384" class="LineNr"> 384 </span> <span class="subxS2Comment"># . . call</span> +<span id="L385" class="LineNr"> 385 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L386" class="LineNr"> 386 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L387" class="LineNr"> 387 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L388" class="LineNr"> 388 </span><span class="Constant">$test-convert-next-octet-handles-eof:end</span>: +<span id="L389" class="LineNr"> 389 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L390" class="LineNr"> 390 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> +<span id="L391" class="LineNr"> 391 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L392" class="LineNr"> 392 </span> 5d/pop-to-EBP +<span id="L393" class="LineNr"> 393 </span> c3/return +<span id="L394" class="LineNr"> 394 </span> +<span id="L395" class="LineNr"> 395 </span><span class="subxTest">test-convert-next-octet-aborts-on-single-hex-byte</span>: +<span id="L396" class="LineNr"> 396 </span> <span class="subxH1Comment"># - check that a single unaccompanied hex byte aborts</span> +<span id="L397" class="LineNr"> 397 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L398" class="LineNr"> 398 </span> 55/push-EBP +<span id="L399" class="LineNr"> 399 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L400" class="LineNr"> 400 </span> <span class="subxComment"># clear all streams</span> +<span id="L401" class="LineNr"> 401 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L402" class="LineNr"> 402 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L403" class="LineNr"> 403 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L404" class="LineNr"> 404 </span> <span class="subxS2Comment"># . . call</span> +<span id="L405" class="LineNr"> 405 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L406" class="LineNr"> 406 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L407" class="LineNr"> 407 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L408" class="LineNr"> 408 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L409" class="LineNr"> 409 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L410" class="LineNr"> 410 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L411" class="LineNr"> 411 </span> 05/add-to-EAX 4/imm32 +<span id="L412" class="LineNr"> 412 </span> 50/push-EAX +<span id="L413" class="LineNr"> 413 </span> <span class="subxS2Comment"># . . call</span> +<span id="L414" class="LineNr"> 414 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L415" class="LineNr"> 415 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L416" class="LineNr"> 416 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L417" class="LineNr"> 417 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L418" class="LineNr"> 418 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L419" class="LineNr"> 419 </span> 68/push <a href='hex.subx.html#L1513'>_test-error-stream</a>/imm32 +<span id="L420" class="LineNr"> 420 </span> <span class="subxS2Comment"># . . call</span> +<span id="L421" class="LineNr"> 421 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L422" class="LineNr"> 422 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L423" class="LineNr"> 423 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L424" class="LineNr"> 424 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> +<span id="L425" class="LineNr"> 425 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L426" class="LineNr"> 426 </span> b8/copy-to-EAX <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L427" class="LineNr"> 427 </span> 05/add-to-EAX 4/imm32 +<span id="L428" class="LineNr"> 428 </span> 50/push-EAX +<span id="L429" class="LineNr"> 429 </span> <span class="subxS2Comment"># . . call</span> +<span id="L430" class="LineNr"> 430 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L431" class="LineNr"> 431 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L432" class="LineNr"> 432 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L433" class="LineNr"> 433 </span> <span class="subxComment"># initialize '_test-stream' to "a"</span> +<span id="L434" class="LineNr"> 434 </span> <span class="subxS1Comment"># . write(_test-stream, "a")</span> +<span id="L435" class="LineNr"> 435 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L436" class="LineNr"> 436 </span> 68/push <span class="Constant">"a"</span>/imm32 +<span id="L437" class="LineNr"> 437 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L438" class="LineNr"> 438 </span> <span class="subxS2Comment"># . . call</span> +<span id="L439" class="LineNr"> 439 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L440" class="LineNr"> 440 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L441" class="LineNr"> 441 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L442" class="LineNr"> 442 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'convert-next-octet' below</span> +<span id="L443" class="LineNr"> 443 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> +<span id="L444" class="LineNr"> 444 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L445" class="LineNr"> 445 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L446" class="LineNr"> 446 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> +<span id="L447" class="LineNr"> 447 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L448" class="LineNr"> 448 </span> 68/push 0xc/imm32/nbytes-of-args-for-convert-next-octet +<span id="L449" class="LineNr"> 449 </span> 51/push-ECX/ed +<span id="L450" class="LineNr"> 450 </span> <span class="subxS2Comment"># . . call</span> +<span id="L451" class="LineNr"> 451 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L452" class="LineNr"> 452 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L453" class="LineNr"> 453 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L454" class="LineNr"> 454 </span> <span class="subxComment"># EAX = convert-next-octet(_test-buffered-file, _test-error-buffered-file, ed)</span> +<span id="L455" class="LineNr"> 455 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L456" class="LineNr"> 456 </span> 51/push-ECX/ed +<span id="L457" class="LineNr"> 457 </span> 68/push <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L458" class="LineNr"> 458 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L459" class="LineNr"> 459 </span> <span class="subxS2Comment"># . . call</span> +<span id="L460" class="LineNr"> 460 </span> e8/call <a href='hex.subx.html#L131'>convert-next-octet</a>/disp32 +<span id="L461" class="LineNr"> 461 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L462" class="LineNr"> 462 </span> <span class="subxComment"># pop args to convert-next-octet</span> +<span id="L463" class="LineNr"> 463 </span> <span class="subxS2Comment"># . . discard first 2 args</span> +<span id="L464" class="LineNr"> 464 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L465" class="LineNr"> 465 </span> <span class="subxS2Comment"># . . restore ed</span> +<span id="L466" class="LineNr"> 466 </span> 59/pop-to-ECX +<span id="L467" class="LineNr"> 467 </span> <span class="subxComment"># check that convert-next-octet aborted</span> +<span id="L468" class="LineNr"> 468 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 2, msg)</span> +<span id="L469" class="LineNr"> 469 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L470" class="LineNr"> 470 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L395'>test-convert-next-octet-aborts-on-single-hex-byte</a>: unexpected abort"</span>/imm32 +<span id="L471" class="LineNr"> 471 </span> 68/push 2/imm32 +<span id="L472" class="LineNr"> 472 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L473" class="LineNr"> 473 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L474" class="LineNr"> 474 </span> <span class="subxS2Comment"># . . call</span> +<span id="L475" class="LineNr"> 475 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L476" class="LineNr"> 476 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L477" class="LineNr"> 477 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L478" class="LineNr"> 478 </span><span class="Constant">$test-convert-next-octet-aborts-on-single-hex-byte:end</span>: +<span id="L479" class="LineNr"> 479 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L480" class="LineNr"> 480 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> +<span id="L481" class="LineNr"> 481 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L482" class="LineNr"> 482 </span> 5d/pop-to-EBP +<span id="L483" class="LineNr"> 483 </span> c3/return +<span id="L484" class="LineNr"> 484 </span> +<span id="L485" class="LineNr"> 485 </span><span class="subxComment"># read whitespace until a hex byte, and return it</span> +<span id="L486" class="LineNr"> 486 </span><span class="subxComment"># return 0xffffffff if file ends without finding a hex byte</span> +<span id="L487" class="LineNr"> 487 </span><span class="subxComment"># on '#' skip all bytes until newline</span> +<span id="L488" class="LineNr"> 488 </span><span class="subxComment"># abort on any other byte</span> +<span id="L489" class="LineNr"> 489 </span><span class="subxFunction">scan-next-byte</span>: <span class="subxComment"># in : (address buffered-file), err : (address buffered-file), ed : (address exit-descriptor) -> byte-or-eof/EAX</span> +<span id="L490" class="LineNr"> 490 </span> <span class="subxComment"># pseudocode:</span> +<span id="L491" class="LineNr"> 491 </span> <span class="subxComment"># repeatedly</span> +<span id="L492" class="LineNr"> 492 </span> <span class="subxComment"># EAX = read-byte(in)</span> +<span id="L493" class="LineNr"> 493 </span> <span class="subxComment"># if (EAX == 0xffffffff) return EAX</span> +<span id="L494" class="LineNr"> 494 </span> <span class="subxComment"># if (is-hex-digit?(EAX)) return EAX</span> +<span id="L495" class="LineNr"> 495 </span> <span class="subxComment"># if (EAX == ' ' or '\t' or '\n') continue</span> +<span id="L496" class="LineNr"> 496 </span> <span class="subxComment"># if (EAX == '#') skip-until-newline(in)</span> +<span id="L497" class="LineNr"> 497 </span> <span class="subxComment"># else error-byte(ed, err, "invalid byte: " EAX)</span> +<span id="L498" class="LineNr"> 498 </span> <span class="subxComment">#</span> +<span id="L499" class="LineNr"> 499 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L500" class="LineNr"> 500 </span> 55/push-EBP +<span id="L501" class="LineNr"> 501 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L502" class="LineNr"> 502 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L503" class="LineNr"> 503 </span><span class="Constant">$scan-next-byte:loop</span>: +<span id="L504" class="LineNr"> 504 </span> <span class="subxComment"># EAX = read-byte(in)</span> +<span id="L505" class="LineNr"> 505 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L506" class="LineNr"> 506 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L507" class="LineNr"> 507 </span> <span class="subxS2Comment"># . . call</span> +<span id="L508" class="LineNr"> 508 </span> e8/call <a href='../061read-byte.subx.html#L44'>read-byte</a>/disp32 +<span id="L509" class="LineNr"> 509 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L510" class="LineNr"> 510 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L511" class="LineNr"> 511 </span> <span class="subxComment"># if (EAX == 0xffffffff) return EAX</span> +<span id="L512" class="LineNr"> 512 </span> 3d/compare-with-EAX 0xffffffff/imm32 +<span id="L513" class="LineNr"> 513 </span> 74/jump-if-equal $scan-next-byte:end/disp8 +<span id="L514" class="LineNr"> 514 </span> <span class="subxComment"># if (is-hex-digit?(EAX)) return EAX</span> +<span id="L515" class="LineNr"> 515 </span> <span class="subxS1Comment"># . save EAX for now</span> +<span id="L516" class="LineNr"> 516 </span> 50/push-EAX +<span id="L517" class="LineNr"> 517 </span> <span class="subxS1Comment"># . is-hex-digit?(EAX)</span> +<span id="L518" class="LineNr"> 518 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L519" class="LineNr"> 519 </span> 50/push-EAX +<span id="L520" class="LineNr"> 520 </span> <span class="subxS2Comment"># . . call</span> +<span id="L521" class="LineNr"> 521 </span> e8/call <a href='../065hex.subx.html#L573'>is-hex-digit?</a>/disp32 +<span id="L522" class="LineNr"> 522 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L523" class="LineNr"> 523 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L524" class="LineNr"> 524 </span> <span class="subxS1Comment"># . compare with 'false'</span> +<span id="L525" class="LineNr"> 525 </span> 3d/compare-with-EAX 0/imm32 +<span id="L526" class="LineNr"> 526 </span> <span class="subxS1Comment"># . restore EAX (does not affect flags)</span> +<span id="L527" class="LineNr"> 527 </span> 58/pop-to-EAX +<span id="L528" class="LineNr"> 528 </span> <span class="subxS1Comment"># . check whether to return</span> +<span id="L529" class="LineNr"> 529 </span> 75/jump-if-not-equal $scan-next-byte:end/disp8 +<span id="L530" class="LineNr"> 530 </span><span class="Constant">$scan-next-byte:check1</span>: +<span id="L531" class="LineNr"> 531 </span> <span class="subxComment"># if (EAX == ' ') continue</span> +<span id="L532" class="LineNr"> 532 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x20/imm32 <span class="subxComment"># compare EAX</span> +<span id="L533" class="LineNr"> 533 </span> 74/jump-if-equal $scan-next-byte:loop/disp8 +<span id="L534" class="LineNr"> 534 </span> <span class="subxComment"># if (EAX == '\t') continue</span> +<span id="L535" class="LineNr"> 535 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x9/imm32 <span class="subxComment"># compare EAX</span> +<span id="L536" class="LineNr"> 536 </span> 74/jump-if-equal $scan-next-byte:loop/disp8 +<span id="L537" class="LineNr"> 537 </span> <span class="subxComment"># if (EAX == '\n') continue</span> +<span id="L538" class="LineNr"> 538 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xa/imm32 <span class="subxComment"># compare EAX</span> +<span id="L539" class="LineNr"> 539 </span> 74/jump-if-equal $scan-next-byte:loop/disp8 +<span id="L540" class="LineNr"> 540 </span><span class="Constant">$scan-next-byte:check2</span>: +<span id="L541" class="LineNr"> 541 </span> <span class="subxComment"># if (EAX == '#') skip-until-newline(in)</span> +<span id="L542" class="LineNr"> 542 </span> 3d/compare-with-EAX 0x23/imm32 +<span id="L543" class="LineNr"> 543 </span> 75/jump-if-not-equal $scan-next-byte:check3/disp8 +<span id="L544" class="LineNr"> 544 </span> <span class="subxS1Comment"># . skip-until-newline(in)</span> +<span id="L545" class="LineNr"> 545 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L546" class="LineNr"> 546 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L547" class="LineNr"> 547 </span> <span class="subxS2Comment"># . . call</span> +<span id="L548" class="LineNr"> 548 </span> e8/call <a href='hex.subx.html#L1412'>skip-until-newline</a>/disp32 +<span id="L549" class="LineNr"> 549 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L550" class="LineNr"> 550 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L551" class="LineNr"> 551 </span> eb/jump $scan-next-byte:loop/disp8 +<span id="L552" class="LineNr"> 552 </span><span class="Constant">$scan-next-byte:check3</span>: +<span id="L553" class="LineNr"> 553 </span> <span class="subxComment"># otherwise error-byte(ed, err, msg, EAX)</span> +<span id="L554" class="LineNr"> 554 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L555" class="LineNr"> 555 </span> 50/push-EAX +<span id="L556" class="LineNr"> 556 </span> 68/push <span class="Constant">"scan-next-byte: invalid byte"</span>/imm32 +<span id="L557" class="LineNr"> 557 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L558" class="LineNr"> 558 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L559" class="LineNr"> 559 </span> <span class="subxS2Comment"># . . call</span> +<span id="L560" class="LineNr"> 560 </span> e8/call <a href='../068error-byte.subx.html#L27'>error-byte</a>/disp32 <span class="subxComment"># never returns</span> +<span id="L561" class="LineNr"> 561 </span><span class="Constant">$scan-next-byte:end</span>: +<span id="L562" class="LineNr"> 562 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L563" class="LineNr"> 563 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L564" class="LineNr"> 564 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L565" class="LineNr"> 565 </span> 5d/pop-to-EBP +<span id="L566" class="LineNr"> 566 </span> c3/return +<span id="L567" class="LineNr"> 567 </span> +<span id="L568" class="LineNr"> 568 </span><span class="subxTest">test-scan-next-byte</span>: +<span id="L569" class="LineNr"> 569 </span> <span class="subxH1Comment"># - check that the first byte of the input is returned</span> +<span id="L570" class="LineNr"> 570 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L571" class="LineNr"> 571 </span> 55/push-EBP +<span id="L572" class="LineNr"> 572 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L573" class="LineNr"> 573 </span> <span class="subxComment"># clear all streams</span> +<span id="L574" class="LineNr"> 574 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L575" class="LineNr"> 575 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L576" class="LineNr"> 576 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L577" class="LineNr"> 577 </span> <span class="subxS2Comment"># . . call</span> +<span id="L578" class="LineNr"> 578 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L579" class="LineNr"> 579 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L580" class="LineNr"> 580 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L581" class="LineNr"> 581 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L582" class="LineNr"> 582 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L583" class="LineNr"> 583 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L584" class="LineNr"> 584 </span> 05/add-to-EAX 4/imm32 +<span id="L585" class="LineNr"> 585 </span> 50/push-EAX +<span id="L586" class="LineNr"> 586 </span> <span class="subxS2Comment"># . . call</span> +<span id="L587" class="LineNr"> 587 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L588" class="LineNr"> 588 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L589" class="LineNr"> 589 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L590" class="LineNr"> 590 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L591" class="LineNr"> 591 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L592" class="LineNr"> 592 </span> 68/push <a href='hex.subx.html#L1513'>_test-error-stream</a>/imm32 +<span id="L593" class="LineNr"> 593 </span> <span class="subxS2Comment"># . . call</span> +<span id="L594" class="LineNr"> 594 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L595" class="LineNr"> 595 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L596" class="LineNr"> 596 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L597" class="LineNr"> 597 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> +<span id="L598" class="LineNr"> 598 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L599" class="LineNr"> 599 </span> b8/copy-to-EAX <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L600" class="LineNr"> 600 </span> 05/add-to-EAX 4/imm32 +<span id="L601" class="LineNr"> 601 </span> 50/push-EAX +<span id="L602" class="LineNr"> 602 </span> <span class="subxS2Comment"># . . call</span> +<span id="L603" class="LineNr"> 603 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L604" class="LineNr"> 604 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L605" class="LineNr"> 605 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L606" class="LineNr"> 606 </span> <span class="subxComment"># initialize '_test-stream' to "abc"</span> +<span id="L607" class="LineNr"> 607 </span> <span class="subxS1Comment"># . write(_test-stream, "abc")</span> +<span id="L608" class="LineNr"> 608 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L609" class="LineNr"> 609 </span> 68/push <span class="Constant">"abc"</span>/imm32 +<span id="L610" class="LineNr"> 610 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L611" class="LineNr"> 611 </span> <span class="subxS2Comment"># . . call</span> +<span id="L612" class="LineNr"> 612 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L613" class="LineNr"> 613 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L614" class="LineNr"> 614 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L615" class="LineNr"> 615 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> +<span id="L616" class="LineNr"> 616 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> +<span id="L617" class="LineNr"> 617 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L618" class="LineNr"> 618 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L619" class="LineNr"> 619 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> +<span id="L620" class="LineNr"> 620 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L621" class="LineNr"> 621 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte +<span id="L622" class="LineNr"> 622 </span> 51/push-ECX/ed +<span id="L623" class="LineNr"> 623 </span> <span class="subxS2Comment"># . . call</span> +<span id="L624" class="LineNr"> 624 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L625" class="LineNr"> 625 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L626" class="LineNr"> 626 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L627" class="LineNr"> 627 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> +<span id="L628" class="LineNr"> 628 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L629" class="LineNr"> 629 </span> 51/push-ECX/ed +<span id="L630" class="LineNr"> 630 </span> 68/push <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L631" class="LineNr"> 631 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L632" class="LineNr"> 632 </span> <span class="subxS2Comment"># . . call</span> +<span id="L633" class="LineNr"> 633 </span> e8/call <a href='hex.subx.html#L489'>scan-next-byte</a>/disp32 +<span id="L634" class="LineNr"> 634 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L635" class="LineNr"> 635 </span> <span class="subxComment"># pop args to scan-next-byte</span> +<span id="L636" class="LineNr"> 636 </span> <span class="subxS2Comment"># . . discard first 2 args</span> +<span id="L637" class="LineNr"> 637 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L638" class="LineNr"> 638 </span> <span class="subxS2Comment"># . . restore ed</span> +<span id="L639" class="LineNr"> 639 </span> 59/pop-to-ECX +<span id="L640" class="LineNr"> 640 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> +<span id="L641" class="LineNr"> 641 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> +<span id="L642" class="LineNr"> 642 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L643" class="LineNr"> 643 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L568'>test-scan-next-byte</a>: unexpected abort"</span>/imm32 +<span id="L644" class="LineNr"> 644 </span> 68/push 0/imm32 +<span id="L645" class="LineNr"> 645 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L646" class="LineNr"> 646 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L647" class="LineNr"> 647 </span> <span class="subxS2Comment"># . . call</span> +<span id="L648" class="LineNr"> 648 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L649" class="LineNr"> 649 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L650" class="LineNr"> 650 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L651" class="LineNr"> 651 </span> <span class="subxComment"># return if abort</span> +<span id="L652" class="LineNr"> 652 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> +<span id="L653" class="LineNr"> 653 </span> 75/jump-if-not-equal $test-scan-next-byte:end/disp8 +<span id="L654" class="LineNr"> 654 </span> <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span> +<span id="L655" class="LineNr"> 655 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L656" class="LineNr"> 656 </span> 68/push <span class="Constant">"F - test-scan-next-byte"</span>/imm32 +<span id="L657" class="LineNr"> 657 </span> 68/push 0x61/imm32/a +<span id="L658" class="LineNr"> 658 </span> 50/push-EAX +<span id="L659" class="LineNr"> 659 </span> <span class="subxS2Comment"># . . call</span> +<span id="L660" class="LineNr"> 660 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L661" class="LineNr"> 661 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L662" class="LineNr"> 662 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L663" class="LineNr"> 663 </span><span class="Constant">$test-scan-next-byte:end</span>: +<span id="L664" class="LineNr"> 664 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L665" class="LineNr"> 665 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> +<span id="L666" class="LineNr"> 666 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L667" class="LineNr"> 667 </span> 5d/pop-to-EBP +<span id="L668" class="LineNr"> 668 </span> c3/return +<span id="L669" class="LineNr"> 669 </span> +<span id="L670" class="LineNr"> 670 </span><span class="subxTest">test-scan-next-byte-skips-whitespace</span>: +<span id="L671" class="LineNr"> 671 </span> <span class="subxH1Comment"># - check that the first byte after whitespace is returned</span> +<span id="L672" class="LineNr"> 672 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L673" class="LineNr"> 673 </span> 55/push-EBP +<span id="L674" class="LineNr"> 674 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L675" class="LineNr"> 675 </span> <span class="subxComment"># clear all streams</span> +<span id="L676" class="LineNr"> 676 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L677" class="LineNr"> 677 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L678" class="LineNr"> 678 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L679" class="LineNr"> 679 </span> <span class="subxS2Comment"># . . call</span> +<span id="L680" class="LineNr"> 680 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L681" class="LineNr"> 681 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L682" class="LineNr"> 682 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L683" class="LineNr"> 683 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L684" class="LineNr"> 684 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L685" class="LineNr"> 685 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L686" class="LineNr"> 686 </span> 05/add-to-EAX 4/imm32 +<span id="L687" class="LineNr"> 687 </span> 50/push-EAX +<span id="L688" class="LineNr"> 688 </span> <span class="subxS2Comment"># . . call</span> +<span id="L689" class="LineNr"> 689 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L690" class="LineNr"> 690 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L691" class="LineNr"> 691 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L692" class="LineNr"> 692 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L693" class="LineNr"> 693 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L694" class="LineNr"> 694 </span> 68/push <a href='hex.subx.html#L1513'>_test-error-stream</a>/imm32 +<span id="L695" class="LineNr"> 695 </span> <span class="subxS2Comment"># . . call</span> +<span id="L696" class="LineNr"> 696 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L697" class="LineNr"> 697 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L698" class="LineNr"> 698 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L699" class="LineNr"> 699 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> +<span id="L700" class="LineNr"> 700 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L701" class="LineNr"> 701 </span> b8/copy-to-EAX <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L702" class="LineNr"> 702 </span> 05/add-to-EAX 4/imm32 +<span id="L703" class="LineNr"> 703 </span> 50/push-EAX +<span id="L704" class="LineNr"> 704 </span> <span class="subxS2Comment"># . . call</span> +<span id="L705" class="LineNr"> 705 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L706" class="LineNr"> 706 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L707" class="LineNr"> 707 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L708" class="LineNr"> 708 </span> <span class="subxComment"># initialize '_test-stream' to input with leading whitespace</span> +<span id="L709" class="LineNr"> 709 </span> <span class="subxS1Comment"># . write(_test-stream, text)</span> +<span id="L710" class="LineNr"> 710 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L711" class="LineNr"> 711 </span> 68/push <span class="Constant">" abc"</span>/imm32 +<span id="L712" class="LineNr"> 712 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L713" class="LineNr"> 713 </span> <span class="subxS2Comment"># . . call</span> +<span id="L714" class="LineNr"> 714 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L715" class="LineNr"> 715 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L716" class="LineNr"> 716 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L717" class="LineNr"> 717 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> +<span id="L718" class="LineNr"> 718 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> +<span id="L719" class="LineNr"> 719 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L720" class="LineNr"> 720 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L721" class="LineNr"> 721 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> +<span id="L722" class="LineNr"> 722 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L723" class="LineNr"> 723 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte +<span id="L724" class="LineNr"> 724 </span> 51/push-ECX/ed +<span id="L725" class="LineNr"> 725 </span> <span class="subxS2Comment"># . . call</span> +<span id="L726" class="LineNr"> 726 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L727" class="LineNr"> 727 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L728" class="LineNr"> 728 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L729" class="LineNr"> 729 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> +<span id="L730" class="LineNr"> 730 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L731" class="LineNr"> 731 </span> 51/push-ECX/ed +<span id="L732" class="LineNr"> 732 </span> 68/push <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L733" class="LineNr"> 733 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L734" class="LineNr"> 734 </span> <span class="subxS2Comment"># . . call</span> +<span id="L735" class="LineNr"> 735 </span> e8/call <a href='hex.subx.html#L489'>scan-next-byte</a>/disp32 +<span id="L736" class="LineNr"> 736 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L737" class="LineNr"> 737 </span> <span class="subxComment"># pop args to scan-next-byte</span> +<span id="L738" class="LineNr"> 738 </span> <span class="subxS2Comment"># . . discard first 2 args</span> +<span id="L739" class="LineNr"> 739 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L740" class="LineNr"> 740 </span> <span class="subxS2Comment"># . . restore ed</span> +<span id="L741" class="LineNr"> 741 </span> 59/pop-to-ECX +<span id="L742" class="LineNr"> 742 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> +<span id="L743" class="LineNr"> 743 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> +<span id="L744" class="LineNr"> 744 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L745" class="LineNr"> 745 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L670'>test-scan-next-byte-skips-whitespace</a>: unexpected abort"</span>/imm32 +<span id="L746" class="LineNr"> 746 </span> 68/push 0/imm32 +<span id="L747" class="LineNr"> 747 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L748" class="LineNr"> 748 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L749" class="LineNr"> 749 </span> <span class="subxS2Comment"># . . call</span> +<span id="L750" class="LineNr"> 750 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L751" class="LineNr"> 751 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L752" class="LineNr"> 752 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L753" class="LineNr"> 753 </span> <span class="subxComment"># return if abort</span> +<span id="L754" class="LineNr"> 754 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> +<span id="L755" class="LineNr"> 755 </span> 75/jump-if-not-equal $test-scan-next-byte-skips-whitespace:end/disp8 +<span id="L756" class="LineNr"> 756 </span> <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span> +<span id="L757" class="LineNr"> 757 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L758" class="LineNr"> 758 </span> 68/push <span class="Constant">"F - test-scan-next-byte-skips-whitespace"</span>/imm32 +<span id="L759" class="LineNr"> 759 </span> 68/push 0x61/imm32/a +<span id="L760" class="LineNr"> 760 </span> 50/push-EAX +<span id="L761" class="LineNr"> 761 </span> <span class="subxS2Comment"># . . call</span> +<span id="L762" class="LineNr"> 762 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L763" class="LineNr"> 763 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L764" class="LineNr"> 764 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L765" class="LineNr"> 765 </span><span class="Constant">$test-scan-next-byte-skips-whitespace:end</span>: +<span id="L766" class="LineNr"> 766 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L767" class="LineNr"> 767 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> +<span id="L768" class="LineNr"> 768 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L769" class="LineNr"> 769 </span> 5d/pop-to-EBP +<span id="L770" class="LineNr"> 770 </span> c3/return +<span id="L771" class="LineNr"> 771 </span> +<span id="L772" class="LineNr"> 772 </span><span class="subxTest">test-scan-next-byte-skips-comment</span>: +<span id="L773" class="LineNr"> 773 </span> <span class="subxH1Comment"># - check that the first byte after a comment (and newline) is returned</span> +<span id="L774" class="LineNr"> 774 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L775" class="LineNr"> 775 </span> 55/push-EBP +<span id="L776" class="LineNr"> 776 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L777" class="LineNr"> 777 </span> <span class="subxComment"># clear all streams</span> +<span id="L778" class="LineNr"> 778 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L779" class="LineNr"> 779 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L780" class="LineNr"> 780 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L781" class="LineNr"> 781 </span> <span class="subxS2Comment"># . . call</span> +<span id="L782" class="LineNr"> 782 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L783" class="LineNr"> 783 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L784" class="LineNr"> 784 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L785" class="LineNr"> 785 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L786" class="LineNr"> 786 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L787" class="LineNr"> 787 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L788" class="LineNr"> 788 </span> 05/add-to-EAX 4/imm32 +<span id="L789" class="LineNr"> 789 </span> 50/push-EAX +<span id="L790" class="LineNr"> 790 </span> <span class="subxS2Comment"># . . call</span> +<span id="L791" class="LineNr"> 791 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L792" class="LineNr"> 792 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L793" class="LineNr"> 793 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L794" class="LineNr"> 794 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L795" class="LineNr"> 795 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L796" class="LineNr"> 796 </span> 68/push <a href='hex.subx.html#L1513'>_test-error-stream</a>/imm32 +<span id="L797" class="LineNr"> 797 </span> <span class="subxS2Comment"># . . call</span> +<span id="L798" class="LineNr"> 798 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L799" class="LineNr"> 799 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L800" class="LineNr"> 800 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L801" class="LineNr"> 801 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> +<span id="L802" class="LineNr"> 802 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L803" class="LineNr"> 803 </span> b8/copy-to-EAX <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L804" class="LineNr"> 804 </span> 05/add-to-EAX 4/imm32 +<span id="L805" class="LineNr"> 805 </span> 50/push-EAX +<span id="L806" class="LineNr"> 806 </span> <span class="subxS2Comment"># . . call</span> +<span id="L807" class="LineNr"> 807 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L808" class="LineNr"> 808 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L809" class="LineNr"> 809 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L810" class="LineNr"> 810 </span> <span class="subxComment"># initialize '_test-stream' to input with leading comment</span> +<span id="L811" class="LineNr"> 811 </span> <span class="subxS1Comment"># . write(_test-stream, comment)</span> +<span id="L812" class="LineNr"> 812 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L813" class="LineNr"> 813 </span> 68/push <span class="Constant">"#x"</span>/imm32 +<span id="L814" class="LineNr"> 814 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L815" class="LineNr"> 815 </span> <span class="subxS2Comment"># . . call</span> +<span id="L816" class="LineNr"> 816 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L817" class="LineNr"> 817 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L818" class="LineNr"> 818 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L819" class="LineNr"> 819 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> +<span id="L820" class="LineNr"> 820 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L821" class="LineNr"> 821 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L822" class="LineNr"> 822 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L823" class="LineNr"> 823 </span> <span class="subxS2Comment"># . . call</span> +<span id="L824" class="LineNr"> 824 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L825" class="LineNr"> 825 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L826" class="LineNr"> 826 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L827" class="LineNr"> 827 </span> <span class="subxS1Comment"># . write(_test-stream, real text)</span> +<span id="L828" class="LineNr"> 828 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L829" class="LineNr"> 829 </span> 68/push <span class="Constant">"ab"</span>/imm32 +<span id="L830" class="LineNr"> 830 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L831" class="LineNr"> 831 </span> <span class="subxS2Comment"># . . call</span> +<span id="L832" class="LineNr"> 832 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L833" class="LineNr"> 833 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L834" class="LineNr"> 834 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L835" class="LineNr"> 835 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> +<span id="L836" class="LineNr"> 836 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> +<span id="L837" class="LineNr"> 837 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L838" class="LineNr"> 838 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L839" class="LineNr"> 839 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> +<span id="L840" class="LineNr"> 840 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L841" class="LineNr"> 841 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte +<span id="L842" class="LineNr"> 842 </span> 51/push-ECX/ed +<span id="L843" class="LineNr"> 843 </span> <span class="subxS2Comment"># . . call</span> +<span id="L844" class="LineNr"> 844 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L845" class="LineNr"> 845 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L846" class="LineNr"> 846 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L847" class="LineNr"> 847 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> +<span id="L848" class="LineNr"> 848 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L849" class="LineNr"> 849 </span> 51/push-ECX/ed +<span id="L850" class="LineNr"> 850 </span> 68/push <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L851" class="LineNr"> 851 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L852" class="LineNr"> 852 </span> <span class="subxS2Comment"># . . call</span> +<span id="L853" class="LineNr"> 853 </span> e8/call <a href='hex.subx.html#L489'>scan-next-byte</a>/disp32 +<span id="L854" class="LineNr"> 854 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L855" class="LineNr"> 855 </span> <span class="subxComment"># pop args to scan-next-byte</span> +<span id="L856" class="LineNr"> 856 </span> <span class="subxS2Comment"># . . discard first 2 args</span> +<span id="L857" class="LineNr"> 857 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L858" class="LineNr"> 858 </span> <span class="subxS2Comment"># . . restore ed</span> +<span id="L859" class="LineNr"> 859 </span> 59/pop-to-ECX +<span id="L860" class="LineNr"> 860 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> +<span id="L861" class="LineNr"> 861 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> +<span id="L862" class="LineNr"> 862 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L863" class="LineNr"> 863 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L772'>test-scan-next-byte-skips-comment</a>: unexpected abort"</span>/imm32 +<span id="L864" class="LineNr"> 864 </span> 68/push 0/imm32 +<span id="L865" class="LineNr"> 865 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L866" class="LineNr"> 866 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L867" class="LineNr"> 867 </span> <span class="subxS2Comment"># . . call</span> +<span id="L868" class="LineNr"> 868 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L869" class="LineNr"> 869 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L870" class="LineNr"> 870 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L871" class="LineNr"> 871 </span> <span class="subxComment"># return if abort</span> +<span id="L872" class="LineNr"> 872 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> +<span id="L873" class="LineNr"> 873 </span> 75/jump-if-not-equal $test-scan-next-byte-skips-comment:end/disp8 +<span id="L874" class="LineNr"> 874 </span> <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span> +<span id="L875" class="LineNr"> 875 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L876" class="LineNr"> 876 </span> 68/push <span class="Constant">"F - test-scan-next-byte-skips-comment"</span>/imm32 +<span id="L877" class="LineNr"> 877 </span> 68/push 0x61/imm32/a +<span id="L878" class="LineNr"> 878 </span> 50/push-EAX +<span id="L879" class="LineNr"> 879 </span> <span class="subxS2Comment"># . . call</span> +<span id="L880" class="LineNr"> 880 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L881" class="LineNr"> 881 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L882" class="LineNr"> 882 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L883" class="LineNr"> 883 </span><span class="Constant">$test-scan-next-byte-skips-comment:end</span>: +<span id="L884" class="LineNr"> 884 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L885" class="LineNr"> 885 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> +<span id="L886" class="LineNr"> 886 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L887" class="LineNr"> 887 </span> 5d/pop-to-EBP +<span id="L888" class="LineNr"> 888 </span> c3/return +<span id="L889" class="LineNr"> 889 </span> +<span id="L890" class="LineNr"> 890 </span><span class="subxTest">test-scan-next-byte-skips-comment-and-whitespace</span>: +<span id="L891" class="LineNr"> 891 </span> <span class="subxH1Comment"># - check that the first byte after a comment and any further whitespace is returned</span> +<span id="L892" class="LineNr"> 892 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L893" class="LineNr"> 893 </span> 55/push-EBP +<span id="L894" class="LineNr"> 894 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L895" class="LineNr"> 895 </span> <span class="subxComment"># clear all streams</span> +<span id="L896" class="LineNr"> 896 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L897" class="LineNr"> 897 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L898" class="LineNr"> 898 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L899" class="LineNr"> 899 </span> <span class="subxS2Comment"># . . call</span> +<span id="L900" class="LineNr"> 900 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L901" class="LineNr"> 901 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L902" class="LineNr"> 902 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L903" class="LineNr"> 903 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L904" class="LineNr"> 904 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L905" class="LineNr"> 905 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L906" class="LineNr"> 906 </span> 05/add-to-EAX 4/imm32 +<span id="L907" class="LineNr"> 907 </span> 50/push-EAX +<span id="L908" class="LineNr"> 908 </span> <span class="subxS2Comment"># . . call</span> +<span id="L909" class="LineNr"> 909 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L910" class="LineNr"> 910 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L911" class="LineNr"> 911 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L912" class="LineNr"> 912 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L913" class="LineNr"> 913 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L914" class="LineNr"> 914 </span> 68/push <a href='hex.subx.html#L1513'>_test-error-stream</a>/imm32 +<span id="L915" class="LineNr"> 915 </span> <span class="subxS2Comment"># . . call</span> +<span id="L916" class="LineNr"> 916 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L917" class="LineNr"> 917 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L918" class="LineNr"> 918 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L919" class="LineNr"> 919 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> +<span id="L920" class="LineNr"> 920 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L921" class="LineNr"> 921 </span> b8/copy-to-EAX <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L922" class="LineNr"> 922 </span> 05/add-to-EAX 4/imm32 +<span id="L923" class="LineNr"> 923 </span> 50/push-EAX +<span id="L924" class="LineNr"> 924 </span> <span class="subxS2Comment"># . . call</span> +<span id="L925" class="LineNr"> 925 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L926" class="LineNr"> 926 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L927" class="LineNr"> 927 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L928" class="LineNr"> 928 </span> <span class="subxComment"># initialize '_test-stream' to input with leading comment and more whitespace after newline</span> +<span id="L929" class="LineNr"> 929 </span> <span class="subxS1Comment"># . write(_test-stream, comment)</span> +<span id="L930" class="LineNr"> 930 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L931" class="LineNr"> 931 </span> 68/push <span class="Constant">"#x"</span>/imm32 +<span id="L932" class="LineNr"> 932 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L933" class="LineNr"> 933 </span> <span class="subxS2Comment"># . . call</span> +<span id="L934" class="LineNr"> 934 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L935" class="LineNr"> 935 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L936" class="LineNr"> 936 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L937" class="LineNr"> 937 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> +<span id="L938" class="LineNr"> 938 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L939" class="LineNr"> 939 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L940" class="LineNr"> 940 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L941" class="LineNr"> 941 </span> <span class="subxS2Comment"># . . call</span> +<span id="L942" class="LineNr"> 942 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L943" class="LineNr"> 943 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L944" class="LineNr"> 944 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L945" class="LineNr"> 945 </span> <span class="subxS1Comment"># . write(_test-stream, real text)</span> +<span id="L946" class="LineNr"> 946 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L947" class="LineNr"> 947 </span> 68/push <span class="Constant">" ab"</span>/imm32 +<span id="L948" class="LineNr"> 948 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L949" class="LineNr"> 949 </span> <span class="subxS2Comment"># . . call</span> +<span id="L950" class="LineNr"> 950 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L951" class="LineNr"> 951 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L952" class="LineNr"> 952 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L953" class="LineNr"> 953 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> +<span id="L954" class="LineNr"> 954 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> +<span id="L955" class="LineNr"> 955 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L956" class="LineNr"> 956 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L957" class="LineNr"> 957 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> +<span id="L958" class="LineNr"> 958 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L959" class="LineNr"> 959 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte +<span id="L960" class="LineNr"> 960 </span> 51/push-ECX/ed +<span id="L961" class="LineNr"> 961 </span> <span class="subxS2Comment"># . . call</span> +<span id="L962" class="LineNr"> 962 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L963" class="LineNr"> 963 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L964" class="LineNr"> 964 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L965" class="LineNr"> 965 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> +<span id="L966" class="LineNr"> 966 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L967" class="LineNr"> 967 </span> 51/push-ECX/ed +<span id="L968" class="LineNr"> 968 </span> 68/push <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L969" class="LineNr"> 969 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L970" class="LineNr"> 970 </span> <span class="subxS2Comment"># . . call</span> +<span id="L971" class="LineNr"> 971 </span> e8/call <a href='hex.subx.html#L489'>scan-next-byte</a>/disp32 +<span id="L972" class="LineNr"> 972 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L973" class="LineNr"> 973 </span> <span class="subxComment"># pop args to scan-next-byte</span> +<span id="L974" class="LineNr"> 974 </span> <span class="subxS2Comment"># . . discard first 2 args</span> +<span id="L975" class="LineNr"> 975 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L976" class="LineNr"> 976 </span> <span class="subxS2Comment"># . . restore ed</span> +<span id="L977" class="LineNr"> 977 </span> 59/pop-to-ECX +<span id="L978" class="LineNr"> 978 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> +<span id="L979" class="LineNr"> 979 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> +<span id="L980" class="LineNr"> 980 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L981" class="LineNr"> 981 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L890'>test-scan-next-byte-skips-comment-and-whitespace</a>: unexpected abort"</span>/imm32 +<span id="L982" class="LineNr"> 982 </span> 68/push 0/imm32 +<span id="L983" class="LineNr"> 983 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L984" class="LineNr"> 984 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L985" class="LineNr"> 985 </span> <span class="subxS2Comment"># . . call</span> +<span id="L986" class="LineNr"> 986 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L987" class="LineNr"> 987 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L988" class="LineNr"> 988 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L989" class="LineNr"> 989 </span> <span class="subxComment"># return if abort</span> +<span id="L990" class="LineNr"> 990 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> +<span id="L991" class="LineNr"> 991 </span> 75/jump-if-not-equal $test-scan-next-byte-skips-comment-and-whitespace:end/disp8 +<span id="L992" class="LineNr"> 992 </span> <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span> +<span id="L993" class="LineNr"> 993 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L994" class="LineNr"> 994 </span> 68/push <span class="Constant">"F - test-scan-next-byte-skips-comment-and-whitespace"</span>/imm32 +<span id="L995" class="LineNr"> 995 </span> 68/push 0x61/imm32/a +<span id="L996" class="LineNr"> 996 </span> 50/push-EAX +<span id="L997" class="LineNr"> 997 </span> <span class="subxS2Comment"># . . call</span> +<span id="L998" class="LineNr"> 998 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L999" class="LineNr"> 999 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1000" class="LineNr">1000 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1001" class="LineNr">1001 </span><span class="Constant">$test-scan-next-byte-skips-comment-and-whitespace:end</span>: +<span id="L1002" class="LineNr">1002 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1003" class="LineNr">1003 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> +<span id="L1004" class="LineNr">1004 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1005" class="LineNr">1005 </span> 5d/pop-to-EBP +<span id="L1006" class="LineNr">1006 </span> c3/return +<span id="L1007" class="LineNr">1007 </span> +<span id="L1008" class="LineNr">1008 </span><span class="subxTest">test-scan-next-byte-skips-whitespace-and-comment</span>: +<span id="L1009" class="LineNr">1009 </span> <span class="subxH1Comment"># - check that the first byte after any whitespace and comments is returned</span> +<span id="L1010" class="LineNr">1010 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L1011" class="LineNr">1011 </span> 55/push-EBP +<span id="L1012" class="LineNr">1012 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L1013" class="LineNr">1013 </span> <span class="subxComment"># clear all streams</span> +<span id="L1014" class="LineNr">1014 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1015" class="LineNr">1015 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1016" class="LineNr">1016 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1017" class="LineNr">1017 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1018" class="LineNr">1018 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1019" class="LineNr">1019 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1020" class="LineNr">1020 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1021" class="LineNr">1021 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1022" class="LineNr">1022 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1023" class="LineNr">1023 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1024" class="LineNr">1024 </span> 05/add-to-EAX 4/imm32 +<span id="L1025" class="LineNr">1025 </span> 50/push-EAX +<span id="L1026" class="LineNr">1026 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1027" class="LineNr">1027 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1028" class="LineNr">1028 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1029" class="LineNr">1029 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1030" class="LineNr">1030 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L1031" class="LineNr">1031 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1032" class="LineNr">1032 </span> 68/push <a href='hex.subx.html#L1513'>_test-error-stream</a>/imm32 +<span id="L1033" class="LineNr">1033 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1034" class="LineNr">1034 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1035" class="LineNr">1035 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1036" class="LineNr">1036 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1037" class="LineNr">1037 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> +<span id="L1038" class="LineNr">1038 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1039" class="LineNr">1039 </span> b8/copy-to-EAX <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L1040" class="LineNr">1040 </span> 05/add-to-EAX 4/imm32 +<span id="L1041" class="LineNr">1041 </span> 50/push-EAX +<span id="L1042" class="LineNr">1042 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1043" class="LineNr">1043 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1044" class="LineNr">1044 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1045" class="LineNr">1045 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1046" class="LineNr">1046 </span> <span class="subxComment"># initialize '_test-stream' to input with leading whitespace and comment</span> +<span id="L1047" class="LineNr">1047 </span> <span class="subxS1Comment"># . write(_test-stream, comment)</span> +<span id="L1048" class="LineNr">1048 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1049" class="LineNr">1049 </span> 68/push <span class="Constant">" #x"</span>/imm32 +<span id="L1050" class="LineNr">1050 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1051" class="LineNr">1051 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1052" class="LineNr">1052 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L1053" class="LineNr">1053 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1054" class="LineNr">1054 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1055" class="LineNr">1055 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> +<span id="L1056" class="LineNr">1056 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1057" class="LineNr">1057 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L1058" class="LineNr">1058 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1059" class="LineNr">1059 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1060" class="LineNr">1060 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L1061" class="LineNr">1061 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1062" class="LineNr">1062 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1063" class="LineNr">1063 </span> <span class="subxS1Comment"># . write(_test-stream, real text)</span> +<span id="L1064" class="LineNr">1064 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1065" class="LineNr">1065 </span> 68/push <span class="Constant">"ab"</span>/imm32 +<span id="L1066" class="LineNr">1066 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1067" class="LineNr">1067 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1068" class="LineNr">1068 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L1069" class="LineNr">1069 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1070" class="LineNr">1070 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1071" class="LineNr">1071 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> +<span id="L1072" class="LineNr">1072 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> +<span id="L1073" class="LineNr">1073 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L1074" class="LineNr">1074 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L1075" class="LineNr">1075 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> +<span id="L1076" class="LineNr">1076 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1077" class="LineNr">1077 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte +<span id="L1078" class="LineNr">1078 </span> 51/push-ECX/ed +<span id="L1079" class="LineNr">1079 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1080" class="LineNr">1080 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L1081" class="LineNr">1081 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1082" class="LineNr">1082 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1083" class="LineNr">1083 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> +<span id="L1084" class="LineNr">1084 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1085" class="LineNr">1085 </span> 51/push-ECX/ed +<span id="L1086" class="LineNr">1086 </span> 68/push <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L1087" class="LineNr">1087 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1088" class="LineNr">1088 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1089" class="LineNr">1089 </span> e8/call <a href='hex.subx.html#L489'>scan-next-byte</a>/disp32 +<span id="L1090" class="LineNr">1090 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L1091" class="LineNr">1091 </span> <span class="subxComment"># pop args to scan-next-byte</span> +<span id="L1092" class="LineNr">1092 </span> <span class="subxS2Comment"># . . discard first 2 args</span> +<span id="L1093" class="LineNr">1093 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1094" class="LineNr">1094 </span> <span class="subxS2Comment"># . . restore ed</span> +<span id="L1095" class="LineNr">1095 </span> 59/pop-to-ECX +<span id="L1096" class="LineNr">1096 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> +<span id="L1097" class="LineNr">1097 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> +<span id="L1098" class="LineNr">1098 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1099" class="LineNr">1099 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L1008'>test-scan-next-byte-skips-whitespace-and-comment</a>: unexpected abort"</span>/imm32 +<span id="L1100" class="LineNr">1100 </span> 68/push 0/imm32 +<span id="L1101" class="LineNr">1101 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L1102" class="LineNr">1102 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L1103" class="LineNr">1103 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1104" class="LineNr">1104 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1105" class="LineNr">1105 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1106" class="LineNr">1106 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1107" class="LineNr">1107 </span> <span class="subxComment"># return if abort</span> +<span id="L1108" class="LineNr">1108 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> +<span id="L1109" class="LineNr">1109 </span> 75/jump-if-not-equal $test-scan-next-byte-skips-whitespace-and-comment:end/disp8 +<span id="L1110" class="LineNr">1110 </span> <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span> +<span id="L1111" class="LineNr">1111 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1112" class="LineNr">1112 </span> 68/push <span class="Constant">"F - test-scan-next-byte-skips-whitespace-and-comment"</span>/imm32 +<span id="L1113" class="LineNr">1113 </span> 68/push 0x61/imm32/a +<span id="L1114" class="LineNr">1114 </span> 50/push-EAX +<span id="L1115" class="LineNr">1115 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1116" class="LineNr">1116 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1117" class="LineNr">1117 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1118" class="LineNr">1118 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1119" class="LineNr">1119 </span><span class="Constant">$test-scan-next-byte-skips-whitespace-and-comment:end</span>: +<span id="L1120" class="LineNr">1120 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1121" class="LineNr">1121 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> +<span id="L1122" class="LineNr">1122 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1123" class="LineNr">1123 </span> 5d/pop-to-EBP +<span id="L1124" class="LineNr">1124 </span> c3/return +<span id="L1125" class="LineNr">1125 </span> +<span id="L1126" class="LineNr">1126 </span><span class="subxTest">test-scan-next-byte-reads-final-byte</span>: +<span id="L1127" class="LineNr">1127 </span> <span class="subxH1Comment"># - check that the final byte in input is returned</span> +<span id="L1128" class="LineNr">1128 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L1129" class="LineNr">1129 </span> 55/push-EBP +<span id="L1130" class="LineNr">1130 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L1131" class="LineNr">1131 </span> <span class="subxComment"># clear all streams</span> +<span id="L1132" class="LineNr">1132 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1133" class="LineNr">1133 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1134" class="LineNr">1134 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1135" class="LineNr">1135 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1136" class="LineNr">1136 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1137" class="LineNr">1137 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1138" class="LineNr">1138 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1139" class="LineNr">1139 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1140" class="LineNr">1140 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1141" class="LineNr">1141 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1142" class="LineNr">1142 </span> 05/add-to-EAX 4/imm32 +<span id="L1143" class="LineNr">1143 </span> 50/push-EAX +<span id="L1144" class="LineNr">1144 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1145" class="LineNr">1145 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1146" class="LineNr">1146 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1147" class="LineNr">1147 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1148" class="LineNr">1148 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L1149" class="LineNr">1149 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1150" class="LineNr">1150 </span> 68/push <a href='hex.subx.html#L1513'>_test-error-stream</a>/imm32 +<span id="L1151" class="LineNr">1151 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1152" class="LineNr">1152 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1153" class="LineNr">1153 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1154" class="LineNr">1154 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1155" class="LineNr">1155 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> +<span id="L1156" class="LineNr">1156 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1157" class="LineNr">1157 </span> b8/copy-to-EAX <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L1158" class="LineNr">1158 </span> 05/add-to-EAX 4/imm32 +<span id="L1159" class="LineNr">1159 </span> 50/push-EAX +<span id="L1160" class="LineNr">1160 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1161" class="LineNr">1161 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1162" class="LineNr">1162 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1163" class="LineNr">1163 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1164" class="LineNr">1164 </span> <span class="subxComment"># initialize '_test-stream' to input with single character</span> +<span id="L1165" class="LineNr">1165 </span> <span class="subxS1Comment"># . write(_test-stream, character)</span> +<span id="L1166" class="LineNr">1166 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1167" class="LineNr">1167 </span> 68/push <span class="Constant">"a"</span>/imm32 +<span id="L1168" class="LineNr">1168 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1169" class="LineNr">1169 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1170" class="LineNr">1170 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L1171" class="LineNr">1171 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1172" class="LineNr">1172 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1173" class="LineNr">1173 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> +<span id="L1174" class="LineNr">1174 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> +<span id="L1175" class="LineNr">1175 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L1176" class="LineNr">1176 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L1177" class="LineNr">1177 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> +<span id="L1178" class="LineNr">1178 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1179" class="LineNr">1179 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte +<span id="L1180" class="LineNr">1180 </span> 51/push-ECX/ed +<span id="L1181" class="LineNr">1181 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1182" class="LineNr">1182 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L1183" class="LineNr">1183 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1184" class="LineNr">1184 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1185" class="LineNr">1185 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> +<span id="L1186" class="LineNr">1186 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1187" class="LineNr">1187 </span> 51/push-ECX/ed +<span id="L1188" class="LineNr">1188 </span> 68/push <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L1189" class="LineNr">1189 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1190" class="LineNr">1190 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1191" class="LineNr">1191 </span> e8/call <a href='hex.subx.html#L489'>scan-next-byte</a>/disp32 +<span id="L1192" class="LineNr">1192 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L1193" class="LineNr">1193 </span> <span class="subxComment"># pop args to scan-next-byte</span> +<span id="L1194" class="LineNr">1194 </span> <span class="subxS2Comment"># . . discard first 2 args</span> +<span id="L1195" class="LineNr">1195 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1196" class="LineNr">1196 </span> <span class="subxS2Comment"># . . restore ed</span> +<span id="L1197" class="LineNr">1197 </span> 59/pop-to-ECX +<span id="L1198" class="LineNr">1198 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> +<span id="L1199" class="LineNr">1199 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> +<span id="L1200" class="LineNr">1200 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1201" class="LineNr">1201 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L1126'>test-scan-next-byte-reads-final-byte</a>: unexpected abort"</span>/imm32 +<span id="L1202" class="LineNr">1202 </span> 68/push 0/imm32 +<span id="L1203" class="LineNr">1203 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L1204" class="LineNr">1204 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L1205" class="LineNr">1205 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1206" class="LineNr">1206 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1207" class="LineNr">1207 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1208" class="LineNr">1208 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1209" class="LineNr">1209 </span> <span class="subxComment"># return if abort</span> +<span id="L1210" class="LineNr">1210 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> +<span id="L1211" class="LineNr">1211 </span> 75/jump-if-not-equal $test-scan-next-byte-reads-final-byte:end/disp8 +<span id="L1212" class="LineNr">1212 </span> <span class="subxComment"># check-ints-equal(EAX, 0x61/a, msg)</span> +<span id="L1213" class="LineNr">1213 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1214" class="LineNr">1214 </span> 68/push <span class="Constant">"F - test-scan-next-byte-reads-final-byte"</span>/imm32 +<span id="L1215" class="LineNr">1215 </span> 68/push 0x61/imm32/a +<span id="L1216" class="LineNr">1216 </span> 50/push-EAX +<span id="L1217" class="LineNr">1217 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1218" class="LineNr">1218 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1219" class="LineNr">1219 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1220" class="LineNr">1220 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1221" class="LineNr">1221 </span><span class="Constant">$test-scan-next-byte-reads-final-byte:end</span>: +<span id="L1222" class="LineNr">1222 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1223" class="LineNr">1223 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> +<span id="L1224" class="LineNr">1224 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1225" class="LineNr">1225 </span> 5d/pop-to-EBP +<span id="L1226" class="LineNr">1226 </span> c3/return +<span id="L1227" class="LineNr">1227 </span> +<span id="L1228" class="LineNr">1228 </span><span class="subxTest">test-scan-next-byte-handles-eof</span>: +<span id="L1229" class="LineNr">1229 </span> <span class="subxH1Comment"># - check that the right sentinel value is returned when there's no data remaining to be read</span> +<span id="L1230" class="LineNr">1230 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L1231" class="LineNr">1231 </span> 55/push-EBP +<span id="L1232" class="LineNr">1232 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L1233" class="LineNr">1233 </span> <span class="subxComment"># clear all streams</span> +<span id="L1234" class="LineNr">1234 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1235" class="LineNr">1235 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1236" class="LineNr">1236 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1237" class="LineNr">1237 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1238" class="LineNr">1238 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1239" class="LineNr">1239 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1240" class="LineNr">1240 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1241" class="LineNr">1241 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1242" class="LineNr">1242 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1243" class="LineNr">1243 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1244" class="LineNr">1244 </span> 05/add-to-EAX 4/imm32 +<span id="L1245" class="LineNr">1245 </span> 50/push-EAX +<span id="L1246" class="LineNr">1246 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1247" class="LineNr">1247 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1248" class="LineNr">1248 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1249" class="LineNr">1249 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1250" class="LineNr">1250 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L1251" class="LineNr">1251 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1252" class="LineNr">1252 </span> 68/push <a href='hex.subx.html#L1513'>_test-error-stream</a>/imm32 +<span id="L1253" class="LineNr">1253 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1254" class="LineNr">1254 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1255" class="LineNr">1255 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1256" class="LineNr">1256 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1257" class="LineNr">1257 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> +<span id="L1258" class="LineNr">1258 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1259" class="LineNr">1259 </span> b8/copy-to-EAX <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L1260" class="LineNr">1260 </span> 05/add-to-EAX 4/imm32 +<span id="L1261" class="LineNr">1261 </span> 50/push-EAX +<span id="L1262" class="LineNr">1262 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1263" class="LineNr">1263 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1264" class="LineNr">1264 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1265" class="LineNr">1265 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1266" class="LineNr">1266 </span> <span class="subxComment"># leave '_test-stream' empty</span> +<span id="L1267" class="LineNr">1267 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> +<span id="L1268" class="LineNr">1268 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> +<span id="L1269" class="LineNr">1269 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L1270" class="LineNr">1270 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L1271" class="LineNr">1271 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> +<span id="L1272" class="LineNr">1272 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1273" class="LineNr">1273 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte +<span id="L1274" class="LineNr">1274 </span> 51/push-ECX/ed +<span id="L1275" class="LineNr">1275 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1276" class="LineNr">1276 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L1277" class="LineNr">1277 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1278" class="LineNr">1278 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1279" class="LineNr">1279 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> +<span id="L1280" class="LineNr">1280 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1281" class="LineNr">1281 </span> 51/push-ECX/ed +<span id="L1282" class="LineNr">1282 </span> 68/push <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L1283" class="LineNr">1283 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1284" class="LineNr">1284 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1285" class="LineNr">1285 </span> e8/call <a href='hex.subx.html#L489'>scan-next-byte</a>/disp32 +<span id="L1286" class="LineNr">1286 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L1287" class="LineNr">1287 </span> <span class="subxComment"># pop args to scan-next-byte</span> +<span id="L1288" class="LineNr">1288 </span> <span class="subxS2Comment"># . . discard first 2 args</span> +<span id="L1289" class="LineNr">1289 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1290" class="LineNr">1290 </span> <span class="subxS2Comment"># . . restore ed</span> +<span id="L1291" class="LineNr">1291 </span> 59/pop-to-ECX +<span id="L1292" class="LineNr">1292 </span> <span class="subxComment"># check that scan-next-byte didn't abort</span> +<span id="L1293" class="LineNr">1293 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 0, msg)</span> +<span id="L1294" class="LineNr">1294 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1295" class="LineNr">1295 </span> 68/push <span class="Constant">"F - <a href='hex.subx.html#L1228'>test-scan-next-byte-handles-eof</a>: unexpected abort"</span>/imm32 +<span id="L1296" class="LineNr">1296 </span> 68/push 0/imm32 +<span id="L1297" class="LineNr">1297 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L1298" class="LineNr">1298 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L1299" class="LineNr">1299 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1300" class="LineNr">1300 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1301" class="LineNr">1301 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1302" class="LineNr">1302 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1303" class="LineNr">1303 </span> <span class="subxComment"># return if abort</span> +<span id="L1304" class="LineNr">1304 </span> 81 7/subop/compare 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 0/imm32 <span class="subxComment"># compare *(ECX+4)</span> +<span id="L1305" class="LineNr">1305 </span> 75/jump-if-not-equal $test-scan-next-byte-handles-eof:end/disp8 +<span id="L1306" class="LineNr">1306 </span> <span class="subxComment"># check-ints-equal(EAX, 0xffffffff/eof, msg)</span> +<span id="L1307" class="LineNr">1307 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1308" class="LineNr">1308 </span> 68/push <span class="Constant">"F - test-scan-next-byte-handles-eof"</span>/imm32 +<span id="L1309" class="LineNr">1309 </span> 68/push 0xffffffff/imm32/eof +<span id="L1310" class="LineNr">1310 </span> 50/push-EAX +<span id="L1311" class="LineNr">1311 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1312" class="LineNr">1312 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1313" class="LineNr">1313 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1314" class="LineNr">1314 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1315" class="LineNr">1315 </span><span class="Constant">$test-scan-next-byte-handles-eof:end</span>: +<span id="L1316" class="LineNr">1316 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1317" class="LineNr">1317 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> +<span id="L1318" class="LineNr">1318 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1319" class="LineNr">1319 </span> 5d/pop-to-EBP +<span id="L1320" class="LineNr">1320 </span> c3/return +<span id="L1321" class="LineNr">1321 </span> +<span id="L1322" class="LineNr">1322 </span><span class="subxTest">test-scan-next-byte-aborts-on-invalid-byte</span>: +<span id="L1323" class="LineNr">1323 </span> <span class="subxH1Comment"># - check that the a bad byte immediately aborts</span> +<span id="L1324" class="LineNr">1324 </span> <span class="subxComment"># This test uses exit-descriptors. Use EBP for setting up local variables.</span> +<span id="L1325" class="LineNr">1325 </span> 55/push-EBP +<span id="L1326" class="LineNr">1326 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L1327" class="LineNr">1327 </span> <span class="subxComment"># clear all streams</span> +<span id="L1328" class="LineNr">1328 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1329" class="LineNr">1329 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1330" class="LineNr">1330 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1331" class="LineNr">1331 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1332" class="LineNr">1332 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1333" class="LineNr">1333 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1334" class="LineNr">1334 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1335" class="LineNr">1335 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1336" class="LineNr">1336 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1337" class="LineNr">1337 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1338" class="LineNr">1338 </span> 05/add-to-EAX 4/imm32 +<span id="L1339" class="LineNr">1339 </span> 50/push-EAX +<span id="L1340" class="LineNr">1340 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1341" class="LineNr">1341 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1342" class="LineNr">1342 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1343" class="LineNr">1343 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1344" class="LineNr">1344 </span> <span class="subxS1Comment"># . clear-stream(_test-error-stream)</span> +<span id="L1345" class="LineNr">1345 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1346" class="LineNr">1346 </span> 68/push <a href='hex.subx.html#L1513'>_test-error-stream</a>/imm32 +<span id="L1347" class="LineNr">1347 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1348" class="LineNr">1348 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1349" class="LineNr">1349 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1350" class="LineNr">1350 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1351" class="LineNr">1351 </span> <span class="subxS1Comment"># . clear-stream(_test-error-buffered-file+4)</span> +<span id="L1352" class="LineNr">1352 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1353" class="LineNr">1353 </span> b8/copy-to-EAX <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L1354" class="LineNr">1354 </span> 05/add-to-EAX 4/imm32 +<span id="L1355" class="LineNr">1355 </span> 50/push-EAX +<span id="L1356" class="LineNr">1356 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1357" class="LineNr">1357 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1358" class="LineNr">1358 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1359" class="LineNr">1359 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1360" class="LineNr">1360 </span> <span class="subxComment"># initialize '_test-stream' to "x"</span> +<span id="L1361" class="LineNr">1361 </span> <span class="subxS1Comment"># . write(_test-stream, "x")</span> +<span id="L1362" class="LineNr">1362 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1363" class="LineNr">1363 </span> 68/push <span class="Constant">"x"</span>/imm32 +<span id="L1364" class="LineNr">1364 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1365" class="LineNr">1365 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1366" class="LineNr">1366 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L1367" class="LineNr">1367 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1368" class="LineNr">1368 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1369" class="LineNr">1369 </span> <span class="subxComment"># initialize exit-descriptor 'ed' for the call to 'scan-next-byte' below</span> +<span id="L1370" class="LineNr">1370 </span> <span class="subxS1Comment"># . var ed/ECX : exit-descriptor</span> +<span id="L1371" class="LineNr">1371 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L1372" class="LineNr">1372 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L1373" class="LineNr">1373 </span> <span class="subxS1Comment"># . tailor-exit-descriptor(ed, 12)</span> +<span id="L1374" class="LineNr">1374 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1375" class="LineNr">1375 </span> 68/push 0xc/imm32/nbytes-of-args-for-scan-next-byte +<span id="L1376" class="LineNr">1376 </span> 51/push-ECX/ed +<span id="L1377" class="LineNr">1377 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1378" class="LineNr">1378 </span> e8/call <a href='../059stop.subx.html#L50'>tailor-exit-descriptor</a>/disp32 +<span id="L1379" class="LineNr">1379 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1380" class="LineNr">1380 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1381" class="LineNr">1381 </span> <span class="subxComment"># EAX = scan-next-byte(_test-buffered-file, _test-error-buffered-file, ed)</span> +<span id="L1382" class="LineNr">1382 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1383" class="LineNr">1383 </span> 51/push-ECX/ed +<span id="L1384" class="LineNr">1384 </span> 68/push <a href='hex.subx.html#L1524'>_test-error-buffered-file</a>/imm32 +<span id="L1385" class="LineNr">1385 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1386" class="LineNr">1386 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1387" class="LineNr">1387 </span> e8/call <a href='hex.subx.html#L489'>scan-next-byte</a>/disp32 +<span id="L1388" class="LineNr">1388 </span> <span class="subxComment"># registers except ESP may be clobbered at this point</span> +<span id="L1389" class="LineNr">1389 </span> <span class="subxComment"># pop args to scan-next-byte</span> +<span id="L1390" class="LineNr">1390 </span> <span class="subxS2Comment"># . . discard first 2 args</span> +<span id="L1391" class="LineNr">1391 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1392" class="LineNr">1392 </span> <span class="subxS2Comment"># . . restore ed</span> +<span id="L1393" class="LineNr">1393 </span> 59/pop-to-ECX +<span id="L1394" class="LineNr">1394 </span> <span class="subxComment"># check that scan-next-byte aborted</span> +<span id="L1395" class="LineNr">1395 </span> <span class="subxS1Comment"># . check-ints-equal(ed->value, 2, msg)</span> +<span id="L1396" class="LineNr">1396 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1397" class="LineNr">1397 </span> 68/push <span class="Constant">"F - test-scan-next-byte-aborts-on-invalid-byte"</span>/imm32 +<span id="L1398" class="LineNr">1398 </span> 68/push 2/imm32 +<span id="L1399" class="LineNr">1399 </span> <span class="subxS2Comment"># . . push ed->value</span> +<span id="L1400" class="LineNr">1400 </span> ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ECX+4)</span> +<span id="L1401" class="LineNr">1401 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1402" class="LineNr">1402 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1403" class="LineNr">1403 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1404" class="LineNr">1404 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1405" class="LineNr">1405 </span><span class="Constant">$test-scan-next-byte-aborts-on-invalid-byte:end</span>: +<span id="L1406" class="LineNr">1406 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1407" class="LineNr">1407 </span> <span class="subxComment"># don't restore ESP from EBP; manually reclaim locals</span> +<span id="L1408" class="LineNr">1408 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1409" class="LineNr">1409 </span> 5d/pop-to-EBP +<span id="L1410" class="LineNr">1410 </span> c3/return +<span id="L1411" class="LineNr">1411 </span> +<span id="L1412" class="LineNr">1412 </span><span class="subxFunction">skip-until-newline</span>: <span class="subxComment"># in : (address buffered-file) -> <void></span> +<span id="L1413" class="LineNr">1413 </span> <span class="subxComment"># pseudocode:</span> +<span id="L1414" class="LineNr">1414 </span> <span class="subxComment"># push EAX</span> +<span id="L1415" class="LineNr">1415 </span> <span class="subxComment"># repeatedly:</span> +<span id="L1416" class="LineNr">1416 </span> <span class="subxComment"># EAX = read-byte(in)</span> +<span id="L1417" class="LineNr">1417 </span> <span class="subxComment"># if (EAX == 0xffffffff) break</span> +<span id="L1418" class="LineNr">1418 </span> <span class="subxComment"># if (EAX == 0x0a) break</span> +<span id="L1419" class="LineNr">1419 </span> <span class="subxComment"># pop EAX</span> +<span id="L1420" class="LineNr">1420 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L1421" class="LineNr">1421 </span> 55/push-EBP +<span id="L1422" class="LineNr">1422 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L1423" class="LineNr">1423 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L1424" class="LineNr">1424 </span> 50/push-EAX +<span id="L1425" class="LineNr">1425 </span><span class="Constant">$skip-until-newline:loop</span>: +<span id="L1426" class="LineNr">1426 </span> <span class="subxS1Comment"># . EAX = read-byte(in)</span> +<span id="L1427" class="LineNr">1427 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1428" class="LineNr">1428 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L1429" class="LineNr">1429 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1430" class="LineNr">1430 </span> e8/call <a href='../061read-byte.subx.html#L44'>read-byte</a>/disp32 +<span id="L1431" class="LineNr">1431 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1432" class="LineNr">1432 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1433" class="LineNr">1433 </span> <span class="subxS1Comment"># . if (EAX == 0xffffffff) break</span> +<span id="L1434" class="LineNr">1434 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xffffffff/imm32 <span class="subxComment"># compare EAX</span> +<span id="L1435" class="LineNr">1435 </span> 74/jump-if-equal $skip-until-newline:end/disp8 +<span id="L1436" class="LineNr">1436 </span> <span class="subxS1Comment"># . if (EAX != 0xa/newline) loop</span> +<span id="L1437" class="LineNr">1437 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xa/imm32 <span class="subxComment"># compare EAX</span> +<span id="L1438" class="LineNr">1438 </span> 75/jump-if-not-equal $skip-until-newline:loop/disp8 +<span id="L1439" class="LineNr">1439 </span><span class="Constant">$skip-until-newline:end</span>: +<span id="L1440" class="LineNr">1440 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L1441" class="LineNr">1441 </span> 58/pop-to-EAX +<span id="L1442" class="LineNr">1442 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1443" class="LineNr">1443 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L1444" class="LineNr">1444 </span> 5d/pop-to-EBP +<span id="L1445" class="LineNr">1445 </span> c3/return +<span id="L1446" class="LineNr">1446 </span> +<span id="L1447" class="LineNr">1447 </span><span class="subxTest">test-skip-until-newline</span>: +<span id="L1448" class="LineNr">1448 </span> <span class="subxH1Comment"># - check that the read pointer points after the newline</span> +<span id="L1449" class="LineNr">1449 </span> <span class="subxComment"># setup</span> +<span id="L1450" class="LineNr">1450 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1451" class="LineNr">1451 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1452" class="LineNr">1452 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1453" class="LineNr">1453 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1454" class="LineNr">1454 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1455" class="LineNr">1455 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1456" class="LineNr">1456 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1457" class="LineNr">1457 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1458" class="LineNr">1458 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1459" class="LineNr">1459 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1460" class="LineNr">1460 </span> 05/add-to-EAX 4/imm32 +<span id="L1461" class="LineNr">1461 </span> 50/push-EAX +<span id="L1462" class="LineNr">1462 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1463" class="LineNr">1463 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1464" class="LineNr">1464 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1465" class="LineNr">1465 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1466" class="LineNr">1466 </span> <span class="subxComment"># initialize '_test-stream' to "abc\nde"</span> +<span id="L1467" class="LineNr">1467 </span> <span class="subxS1Comment"># . write(_test-stream, "abc")</span> +<span id="L1468" class="LineNr">1468 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1469" class="LineNr">1469 </span> 68/push <span class="Constant">"abc"</span>/imm32 +<span id="L1470" class="LineNr">1470 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1471" class="LineNr">1471 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1472" class="LineNr">1472 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L1473" class="LineNr">1473 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1474" class="LineNr">1474 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1475" class="LineNr">1475 </span> <span class="subxS1Comment"># . write(_test-stream, Newline)</span> +<span id="L1476" class="LineNr">1476 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1477" class="LineNr">1477 </span> 68/push <span class="SpecialChar"><a href='../051test.subx.html#L83'>Newline</a></span>/imm32 +<span id="L1478" class="LineNr">1478 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1479" class="LineNr">1479 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1480" class="LineNr">1480 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L1481" class="LineNr">1481 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1482" class="LineNr">1482 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1483" class="LineNr">1483 </span> <span class="subxS1Comment"># . write(_test-stream, "de")</span> +<span id="L1484" class="LineNr">1484 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1485" class="LineNr">1485 </span> 68/push <span class="Constant">"de"</span>/imm32 +<span id="L1486" class="LineNr">1486 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1487" class="LineNr">1487 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1488" class="LineNr">1488 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L1489" class="LineNr">1489 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1490" class="LineNr">1490 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1491" class="LineNr">1491 </span> <span class="subxComment"># skip-until-newline(_test-buffered-file)</span> +<span id="L1492" class="LineNr">1492 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1493" class="LineNr">1493 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1494" class="LineNr">1494 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1495" class="LineNr">1495 </span> e8/call <a href='hex.subx.html#L1412'>skip-until-newline</a>/disp32 +<span id="L1496" class="LineNr">1496 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1497" class="LineNr">1497 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1498" class="LineNr">1498 </span> <span class="subxComment"># check-ints-equal(_test-buffered-file->read, 4, msg)</span> +<span id="L1499" class="LineNr">1499 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1500" class="LineNr">1500 </span> 68/push <span class="Constant">"F - test-skip-until-newline"</span>/imm32 +<span id="L1501" class="LineNr">1501 </span> 68/push 4/imm32 +<span id="L1502" class="LineNr">1502 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1503" class="LineNr">1503 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+8)</span> +<span id="L1504" class="LineNr">1504 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1505" class="LineNr">1505 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1506" class="LineNr">1506 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1507" class="LineNr">1507 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1508" class="LineNr">1508 </span> <span class="subxS1Comment"># . end</span> +<span id="L1509" class="LineNr">1509 </span> c3/return +<span id="L1510" class="LineNr">1510 </span> +<span id="L1511" class="LineNr">1511 </span>== data +<span id="L1512" class="LineNr">1512 </span> +<span id="L1513" class="LineNr">1513 </span><span class="subxMinorFunction">_test-error-stream</span>: +<span id="L1514" class="LineNr">1514 </span> <span class="subxComment"># current write index</span> +<span id="L1515" class="LineNr">1515 </span> 0/imm32 +<span id="L1516" class="LineNr">1516 </span> <span class="subxComment"># current read index</span> +<span id="L1517" class="LineNr">1517 </span> 0/imm32 +<span id="L1518" class="LineNr">1518 </span> <span class="subxComment"># length</span> +<span id="L1519" class="LineNr">1519 </span> 8/imm32 +<span id="L1520" class="LineNr">1520 </span> <span class="subxComment"># data</span> +<span id="L1521" class="LineNr">1521 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span> +<span id="L1522" class="LineNr">1522 </span> +<span id="L1523" class="LineNr">1523 </span><span class="subxComment"># a test buffered file for _test-stream</span> +<span id="L1524" class="LineNr">1524 </span><span class="subxMinorFunction">_test-error-buffered-file</span>: +<span id="L1525" class="LineNr">1525 </span> <span class="subxComment"># file descriptor or (address stream)</span> +<span id="L1526" class="LineNr">1526 </span> <a href='hex.subx.html#L1513'>_test-error-stream</a>/imm32 +<span id="L1527" class="LineNr">1527 </span> <span class="subxComment"># current write index</span> +<span id="L1528" class="LineNr">1528 </span> 0/imm32 +<span id="L1529" class="LineNr">1529 </span> <span class="subxComment"># current read index</span> +<span id="L1530" class="LineNr">1530 </span> 0/imm32 +<span id="L1531" class="LineNr">1531 </span> <span class="subxComment"># length</span> +<span id="L1532" class="LineNr">1532 </span> 6/imm32 +<span id="L1533" class="LineNr">1533 </span> <span class="subxComment"># data</span> +<span id="L1534" class="LineNr">1534 </span> 00 00 00 00 00 00 <span class="subxComment"># 6 bytes</span> +<span id="L1535" class="LineNr">1535 </span> +<span id="L1536" class="LineNr">1536 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/apps/pack.subx.html b/html/subx/apps/pack.subx.html index cced6780..6258cc77 100644 --- a/html/subx/apps/pack.subx.html +++ b/html/subx/apps/pack.subx.html @@ -18,13 +18,13 @@ a { color:inherit; } .subxS2Comment { color: #8a8a8a; } .LineNr { } .subxS1Comment { color: #0000af; } -.CommentedCode { color: #8a8a8a; } +.SpecialChar { color: #d70000; } .Constant { color: #008787; } .subxFunction { color: #af5f00; text-decoration: underline; } .subxMinorFunction { color: #875f5f; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } .subxTest { color: #5f8700; } -.SpecialChar { color: #d70000; } +.CommentedCode { color: #8a8a8a; } .subxH1Comment { color: #005faf; text-decoration: underline; } --> </style> @@ -83,1649 +83,1682 @@ if ('onhashchange' in window) { <span id="L20" class="LineNr"> 20 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L21" class="LineNr"> 21 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L22" class="LineNr"> 22 </span> -<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># for debugging: run a single test</span> -<span id="L24" class="LineNr"> 24 </span><span class="CommentedCode">#? e8/call test-convert-instruction-passes-labels-through/disp32</span> -<span id="L25" class="LineNr"> 25 </span><span class="CommentedCode">#? 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX</span> -<span id="L26" class="LineNr"> 26 </span><span class="CommentedCode">#? eb/jump $main:end/disp8</span> -<span id="L27" class="LineNr"> 27 </span> -<span id="L28" class="LineNr"> 28 </span><span class="subxComment"># main: run tests if necessary, convert stdin if not</span> -<span id="L29" class="LineNr"> 29 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L30" class="LineNr"> 30 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L31" class="LineNr"> 31 </span> <span class="subxH1Comment"># - if argc > 1 and argv[1] == "test", then return run_tests()</span> -<span id="L32" class="LineNr"> 32 </span> <span class="subxS1Comment"># . argc > 1</span> -<span id="L33" class="LineNr"> 33 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/disp8 1/imm32 <span class="subxComment"># compare *EBP</span> -<span id="L34" class="LineNr"> 34 </span> 7e/jump-if-lesser-or-equal $run-main/disp8 -<span id="L35" class="LineNr"> 35 </span> <span class="subxS1Comment"># . argv[1] == "test"</span> -<span id="L36" class="LineNr"> 36 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L37" class="LineNr"> 37 </span> 68/push <span class="Constant">"test"</span>/imm32 -<span id="L38" class="LineNr"> 38 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L39" class="LineNr"> 39 </span> <span class="subxS2Comment"># . . call</span> -<span id="L40" class="LineNr"> 40 </span> e8/call <a href='../052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 -<span id="L41" class="LineNr"> 41 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L42" class="LineNr"> 42 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L43" class="LineNr"> 43 </span> <span class="subxS1Comment"># . check result</span> -<span id="L44" class="LineNr"> 44 </span> 3d/compare-EAX 1/imm32 -<span id="L45" class="LineNr"> 45 </span> 75/jump-if-not-equal $run-main/disp8 -<span id="L46" class="LineNr"> 46 </span> <span class="subxS1Comment"># . run-tests()</span> -<span id="L47" class="LineNr"> 47 </span> e8/call run-tests/disp32 -<span id="L48" class="LineNr"> 48 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='../051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> -<span id="L49" class="LineNr"> 49 </span> eb/jump $main:end/disp8 -<span id="L50" class="LineNr"> 50 </span><span class="Constant">$run-main</span>: -<span id="L51" class="LineNr"> 51 </span> <span class="subxH1Comment"># - otherwise convert stdin</span> -<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># var ed/EAX : exit-descriptor</span> -<span id="L53" class="LineNr"> 53 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L54" class="LineNr"> 54 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> -<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># configure ed to really exit()</span> -<span id="L56" class="LineNr"> 56 </span> <span class="subxS1Comment"># . ed->target = 0</span> -<span id="L57" class="LineNr"> 57 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> -<span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># return convert(Stdin, 1/stdout, 2/stderr, ed)</span> -<span id="L59" class="LineNr"> 59 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L60" class="LineNr"> 60 </span> 50/push-EAX/ed -<span id="L61" class="LineNr"> 61 </span> 68/push <span class="SpecialChar"><a href='../068error-byte.subx.html#L97'>Stderr</a></span>/imm32 -<span id="L62" class="LineNr"> 62 </span> 68/push <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span>/imm32 -<span id="L63" class="LineNr"> 63 </span> 68/push <span class="SpecialChar"><a href='../061read-byte.subx.html#L14'>Stdin</a></span>/imm32 -<span id="L64" class="LineNr"> 64 </span> <span class="subxS2Comment"># . . call</span> -<span id="L65" class="LineNr"> 65 </span> e8/call <a href='pack.subx.html#L85'>convert</a>/disp32 -<span id="L66" class="LineNr"> 66 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L67" class="LineNr"> 67 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L68" class="LineNr"> 68 </span> <span class="subxS1Comment"># . syscall(exit, 0)</span> -<span id="L69" class="LineNr"> 69 </span> bb/copy-to-EBX 0/imm32 -<span id="L70" class="LineNr"> 70 </span><span class="Constant">$main:end</span>: -<span id="L71" class="LineNr"> 71 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L72" class="LineNr"> 72 </span> cd/syscall 0x80/imm8 -<span id="L73" class="LineNr"> 73 </span> -<span id="L74" class="LineNr"> 74 </span><span class="subxH1Comment"># - big picture</span> -<span id="L75" class="LineNr"> 75 </span><span class="subxComment"># We'll operate on each line/instruction in isolation. That way we only need to</span> -<span id="L76" class="LineNr"> 76 </span><span class="subxComment"># allocate memory for converting a single instruction.</span> -<span id="L77" class="LineNr"> 77 </span><span class="subxComment">#</span> -<span id="L78" class="LineNr"> 78 </span><span class="subxComment"># To pack an entire file:</span> -<span id="L79" class="LineNr"> 79 </span><span class="subxComment"># read every line</span> -<span id="L80" class="LineNr"> 80 </span><span class="subxComment"># convert it</span> -<span id="L81" class="LineNr"> 81 </span><span class="subxComment">#</span> -<span id="L82" class="LineNr"> 82 </span><span class="subxComment"># primary state: line</span> -<span id="L83" class="LineNr"> 83 </span><span class="subxComment"># stream of 512 bytes; abort if it ever overflows</span> -<span id="L84" class="LineNr"> 84 </span> -<span id="L85" class="LineNr"> 85 </span><span class="subxFunction">convert</span>: <span class="subxComment"># in : (address buffered-file), out : (address buffered-file) -> <void></span> -<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># pseudocode:</span> -<span id="L87" class="LineNr"> 87 </span> <span class="subxComment"># var line = new-stream(512, 1)</span> -<span id="L88" class="LineNr"> 88 </span> <span class="subxComment"># repeatedly</span> -<span id="L89" class="LineNr"> 89 </span> <span class="subxComment"># clear-stream(line)</span> -<span id="L90" class="LineNr"> 90 </span> <span class="subxComment"># EAX = read-line(in, line)</span> -<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># if (EAX == EOF) break</span> -<span id="L92" class="LineNr"> 92 </span> <span class="subxComment"># convert-instruction(line, out)</span> -<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># flush(out)</span> -<span id="L94" class="LineNr"> 94 </span> <span class="subxComment">#</span> -<span id="L95" class="LineNr"> 95 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L96" class="LineNr"> 96 </span> 55/push-EBP -<span id="L97" class="LineNr"> 97 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L98" class="LineNr"> 98 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L99" class="LineNr"> 99 </span> 51/push-ECX -<span id="L100" class="LineNr"> 100 </span> <span class="subxComment"># var line/ECX : (address stream byte) = stream(512)</span> -<span id="L101" class="LineNr"> 101 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x200/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L102" class="LineNr"> 102 </span> 68/push 0x200/imm32/length -<span id="L103" class="LineNr"> 103 </span> 68/push 0/imm32/read -<span id="L104" class="LineNr"> 104 </span> 68/push 0/imm32/write -<span id="L105" class="LineNr"> 105 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L106" class="LineNr"> 106 </span><span class="Constant">$convert:loop</span>: -<span id="L107" class="LineNr"> 107 </span> <span class="subxComment"># clear-stream(ECX)</span> -<span id="L108" class="LineNr"> 108 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L109" class="LineNr"> 109 </span> 51/push-ECX -<span id="L110" class="LineNr"> 110 </span> <span class="subxS2Comment"># . . call</span> -<span id="L111" class="LineNr"> 111 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L112" class="LineNr"> 112 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L113" class="LineNr"> 113 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L114" class="LineNr"> 114 </span> <span class="subxComment"># EAX = read-line(in, line)</span> -<span id="L115" class="LineNr"> 115 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L116" class="LineNr"> 116 </span> 51/push-ECX -<span id="L117" class="LineNr"> 117 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L118" class="LineNr"> 118 </span> <span class="subxS2Comment"># . . call</span> -<span id="L119" class="LineNr"> 119 </span> e8/call <a href='pack.subx.html#L200'>convert-instruction</a>/disp32 -<span id="L120" class="LineNr"> 120 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L121" class="LineNr"> 121 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L122" class="LineNr"> 122 </span> <span class="subxComment"># if (EAX == 0xffffffff) break</span> -<span id="L123" class="LineNr"> 123 </span> 3d/compare-with-EAX 0xffffffff/imm32 -<span id="L124" class="LineNr"> 124 </span> 74/jump-if-equal $convert:break/disp8 -<span id="L125" class="LineNr"> 125 </span> <span class="subxComment"># convert-instruction(line, out)</span> -<span id="L126" class="LineNr"> 126 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L127" class="LineNr"> 127 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L128" class="LineNr"> 128 </span> 51/push-ECX -<span id="L129" class="LineNr"> 129 </span> <span class="subxS2Comment"># . . call</span> -<span id="L130" class="LineNr"> 130 </span> e8/call <a href='pack.subx.html#L200'>convert-instruction</a>/disp32 -<span id="L131" class="LineNr"> 131 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L132" class="LineNr"> 132 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L133" class="LineNr"> 133 </span><span class="Constant">$convert:break</span>: -<span id="L134" class="LineNr"> 134 </span> <span class="subxComment"># flush(out)</span> +<span id="L23" class="LineNr"> 23 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># run tests if necessary, convert stdin if not</span> +<span id="L24" class="LineNr"> 24 </span> +<span id="L25" class="LineNr"> 25 </span><span class="CommentedCode">#? # for debugging: run a single test</span> +<span id="L26" class="LineNr"> 26 </span><span class="CommentedCode">#? e8/call test-convert-instruction-passes-labels-through/disp32</span> +<span id="L27" class="LineNr"> 27 </span><span class="CommentedCode">#? 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX</span> +<span id="L28" class="LineNr"> 28 </span><span class="CommentedCode">#? eb/jump $main:end/disp8</span> +<span id="L29" class="LineNr"> 29 </span> +<span id="L30" class="LineNr"> 30 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L31" class="LineNr"> 31 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L32" class="LineNr"> 32 </span> <span class="subxH1Comment"># - if argc > 1 and argv[1] == "test", then return run_tests()</span> +<span id="L33" class="LineNr"> 33 </span> <span class="subxS1Comment"># . argc > 1</span> +<span id="L34" class="LineNr"> 34 </span> 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/disp8 1/imm32 <span class="subxComment"># compare *EBP</span> +<span id="L35" class="LineNr"> 35 </span> 7e/jump-if-lesser-or-equal $run-main/disp8 +<span id="L36" class="LineNr"> 36 </span> <span class="subxS1Comment"># . argv[1] == "test"</span> +<span id="L37" class="LineNr"> 37 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L38" class="LineNr"> 38 </span> 68/push <span class="Constant">"test"</span>/imm32 +<span id="L39" class="LineNr"> 39 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L40" class="LineNr"> 40 </span> <span class="subxS2Comment"># . . call</span> +<span id="L41" class="LineNr"> 41 </span> e8/call <a href='../052kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32 +<span id="L42" class="LineNr"> 42 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L43" class="LineNr"> 43 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L44" class="LineNr"> 44 </span> <span class="subxS1Comment"># . check result</span> +<span id="L45" class="LineNr"> 45 </span> 3d/compare-EAX 1/imm32 +<span id="L46" class="LineNr"> 46 </span> 75/jump-if-not-equal $run-main/disp8 +<span id="L47" class="LineNr"> 47 </span> <span class="subxS1Comment"># . run-tests()</span> +<span id="L48" class="LineNr"> 48 </span> e8/call run-tests/disp32 +<span id="L49" class="LineNr"> 49 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX <span class="SpecialChar"><a href='../051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to EBX</span> +<span id="L50" class="LineNr"> 50 </span> eb/jump $main:end/disp8 +<span id="L51" class="LineNr"> 51 </span><span class="Constant">$run-main</span>: +<span id="L52" class="LineNr"> 52 </span> <span class="subxH1Comment"># - otherwise convert stdin</span> +<span id="L53" class="LineNr"> 53 </span> <span class="subxComment"># var ed/EAX : exit-descriptor</span> +<span id="L54" class="LineNr"> 54 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L55" class="LineNr"> 55 </span> 89/copy 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EAX</span> +<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># configure ed to really exit()</span> +<span id="L57" class="LineNr"> 57 </span> <span class="subxS1Comment"># . ed->target = 0</span> +<span id="L58" class="LineNr"> 58 </span> c7 0/subop/copy 0/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *EAX</span> +<span id="L59" class="LineNr"> 59 </span> <span class="subxComment"># return convert(Stdin, 1/stdout, 2/stderr, ed)</span> +<span id="L60" class="LineNr"> 60 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L61" class="LineNr"> 61 </span> 50/push-EAX/ed +<span id="L62" class="LineNr"> 62 </span> 68/push <span class="SpecialChar"><a href='../068error-byte.subx.html#L94'>Stderr</a></span>/imm32 +<span id="L63" class="LineNr"> 63 </span> 68/push <span class="SpecialChar"><a href='../064write-byte.subx.html#L10'>Stdout</a></span>/imm32 +<span id="L64" class="LineNr"> 64 </span> 68/push <span class="SpecialChar"><a href='../061read-byte.subx.html#L14'>Stdin</a></span>/imm32 +<span id="L65" class="LineNr"> 65 </span> <span class="subxS2Comment"># . . call</span> +<span id="L66" class="LineNr"> 66 </span> e8/call <a href='pack.subx.html#L86'>convert</a>/disp32 +<span id="L67" class="LineNr"> 67 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L68" class="LineNr"> 68 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L69" class="LineNr"> 69 </span> <span class="subxS1Comment"># . syscall(exit, 0)</span> +<span id="L70" class="LineNr"> 70 </span> bb/copy-to-EBX 0/imm32 +<span id="L71" class="LineNr"> 71 </span><span class="Constant">$main:end</span>: +<span id="L72" class="LineNr"> 72 </span> b8/copy-to-EAX 1/imm32/exit +<span id="L73" class="LineNr"> 73 </span> cd/syscall 0x80/imm8 +<span id="L74" class="LineNr"> 74 </span> +<span id="L75" class="LineNr"> 75 </span><span class="subxH1Comment"># - big picture</span> +<span id="L76" class="LineNr"> 76 </span><span class="subxComment"># We'll operate on each line/instruction in isolation. That way we only need to</span> +<span id="L77" class="LineNr"> 77 </span><span class="subxComment"># allocate memory for converting a single instruction.</span> +<span id="L78" class="LineNr"> 78 </span><span class="subxComment">#</span> +<span id="L79" class="LineNr"> 79 </span><span class="subxComment"># To pack an entire file, convert every segment in it</span> +<span id="L80" class="LineNr"> 80 </span><span class="subxComment"># To convert a code segment, convert every instruction (line) until the next segment header</span> +<span id="L81" class="LineNr"> 81 </span><span class="subxComment"># To convert a non-data segment, convert every word until the next segment header</span> +<span id="L82" class="LineNr"> 82 </span><span class="subxComment">#</span> +<span id="L83" class="LineNr"> 83 </span><span class="subxComment"># primary state: line</span> +<span id="L84" class="LineNr"> 84 </span><span class="subxComment"># stream of 512 bytes; abort if it ever overflows</span> +<span id="L85" class="LineNr"> 85 </span> +<span id="L86" class="LineNr"> 86 </span><span class="subxFunction">convert</span>: <span class="subxComment"># in : (address buffered-file), out : (address buffered-file) -> <void></span> +<span id="L87" class="LineNr"> 87 </span> <span class="subxComment"># pseudocode:</span> +<span id="L88" class="LineNr"> 88 </span> <span class="subxComment"># var line = new-stream(512, 1)</span> +<span id="L89" class="LineNr"> 89 </span> <span class="subxComment"># repeatedly</span> +<span id="L90" class="LineNr"> 90 </span> <span class="subxComment"># clear-stream(line)</span> +<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># EAX = read-line(in, line)</span> +<span id="L92" class="LineNr"> 92 </span> <span class="subxComment"># if (EAX == EOF) break</span> +<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># word-slice = next-word(line)</span> +<span id="L94" class="LineNr"> 94 </span> <span class="subxComment"># if (slice-empty?(word-slice)) continue # just whitespace</span> +<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># if (starts-with(word-slice, "#")) continue # ignore comments</span> +<span id="L96" class="LineNr"> 96 </span> <span class="subxComment"># assert(slice-equal?(word-slice, "=="))</span> +<span id="L97" class="LineNr"> 97 </span> <span class="subxComment"># word-slice = next-word(line)</span> +<span id="L98" class="LineNr"> 98 </span> <span class="subxComment"># if (slice-equal?(word-slice, "code"))</span> +<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># convert-code-segment(in, out)</span> +<span id="L100" class="LineNr"> 100 </span> <span class="subxComment"># else</span> +<span id="L101" class="LineNr"> 101 </span> <span class="subxComment"># convert-data-segment(in, out)</span> +<span id="L102" class="LineNr"> 102 </span> <span class="subxComment"># flush(out)</span> +<span id="L103" class="LineNr"> 103 </span> <span class="subxComment">#</span> +<span id="L104" class="LineNr"> 104 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L105" class="LineNr"> 105 </span> 55/push-EBP +<span id="L106" class="LineNr"> 106 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L107" class="LineNr"> 107 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L108" class="LineNr"> 108 </span> 51/push-ECX +<span id="L109" class="LineNr"> 109 </span> <span class="subxComment"># var line/ECX : (address stream byte) = stream(512)</span> +<span id="L110" class="LineNr"> 110 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x200/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L111" class="LineNr"> 111 </span> 68/push 0x200/imm32/length +<span id="L112" class="LineNr"> 112 </span> 68/push 0/imm32/read +<span id="L113" class="LineNr"> 113 </span> 68/push 0/imm32/write +<span id="L114" class="LineNr"> 114 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L115" class="LineNr"> 115 </span><span class="Constant">$convert:loop</span>: +<span id="L116" class="LineNr"> 116 </span> <span class="subxComment"># clear-stream(ECX)</span> +<span id="L117" class="LineNr"> 117 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L118" class="LineNr"> 118 </span> 51/push-ECX +<span id="L119" class="LineNr"> 119 </span> <span class="subxS2Comment"># . . call</span> +<span id="L120" class="LineNr"> 120 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L121" class="LineNr"> 121 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L122" class="LineNr"> 122 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L123" class="LineNr"> 123 </span> <span class="subxComment"># EAX = read-line(in, line)</span> +<span id="L124" class="LineNr"> 124 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L125" class="LineNr"> 125 </span> 51/push-ECX +<span id="L126" class="LineNr"> 126 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L127" class="LineNr"> 127 </span> <span class="subxS2Comment"># . . call</span> +<span id="L128" class="LineNr"> 128 </span> e8/call <a href='pack.subx.html#L233'>convert-instruction</a>/disp32 +<span id="L129" class="LineNr"> 129 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L130" class="LineNr"> 130 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L131" class="LineNr"> 131 </span> <span class="subxComment"># if (EAX == 0xffffffff) break</span> +<span id="L132" class="LineNr"> 132 </span> 3d/compare-with-EAX 0xffffffff/imm32 +<span id="L133" class="LineNr"> 133 </span> 74/jump-if-equal $convert:break/disp8 +<span id="L134" class="LineNr"> 134 </span> <span class="subxComment"># convert-instruction(line, out)</span> <span id="L135" class="LineNr"> 135 </span> <span class="subxS2Comment"># . . push args</span> <span id="L136" class="LineNr"> 136 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L137" class="LineNr"> 137 </span> <span class="subxS2Comment"># . . call</span> -<span id="L138" class="LineNr"> 138 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L139" class="LineNr"> 139 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L140" class="LineNr"> 140 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L141" class="LineNr"> 141 </span><span class="Constant">$convert:end</span>: -<span id="L142" class="LineNr"> 142 </span> <span class="subxS1Comment"># . reclaim locals</span> -<span id="L143" class="LineNr"> 143 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x20c/imm32 <span class="subxComment"># add to ESP</span> -<span id="L144" class="LineNr"> 144 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L145" class="LineNr"> 145 </span> 59/pop-to-ECX -<span id="L146" class="LineNr"> 146 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L147" class="LineNr"> 147 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L148" class="LineNr"> 148 </span> 5d/pop-to-EBP -<span id="L149" class="LineNr"> 149 </span> c3/return -<span id="L150" class="LineNr"> 150 </span> -<span id="L151" class="LineNr"> 151 </span><span class="subxH1Comment"># - To pack an instruction, following the C++ version:</span> -<span id="L152" class="LineNr"> 152 </span><span class="subxComment"># read first word as opcode and write-slice</span> -<span id="L153" class="LineNr"> 153 </span><span class="subxComment"># if 0f or f2 or f3 read second opcode and write-slice</span> -<span id="L154" class="LineNr"> 154 </span><span class="subxComment"># if 'f2 0f' or 'f3 0f' read third opcode and write-slice</span> -<span id="L155" class="LineNr"> 155 </span><span class="subxComment"># while true:</span> -<span id="L156" class="LineNr"> 156 </span><span class="subxComment"># word-slice = next-word</span> -<span id="L157" class="LineNr"> 157 </span><span class="subxComment"># if empty(word-slice) break</span> -<span id="L158" class="LineNr"> 158 </span><span class="subxComment"># if has metadata 'mod', parse into mod</span> -<span id="L159" class="LineNr"> 159 </span><span class="subxComment"># if has metadata 'rm32', parse into rm32</span> -<span id="L160" class="LineNr"> 160 </span><span class="subxComment"># if has metadata 'r32', parse into r32</span> -<span id="L161" class="LineNr"> 161 </span><span class="subxComment"># if has metadata 'subop', parse into r32</span> -<span id="L162" class="LineNr"> 162 </span><span class="subxComment"># if at least one of the 3 was present, print-byte</span> -<span id="L163" class="LineNr"> 163 </span><span class="subxComment"># while true:</span> -<span id="L164" class="LineNr"> 164 </span><span class="subxComment"># word-slice = next-word</span> -<span id="L165" class="LineNr"> 165 </span><span class="subxComment"># if empty(word-slice) break</span> -<span id="L166" class="LineNr"> 166 </span><span class="subxComment"># if has metadata 'base', parse into base</span> -<span id="L167" class="LineNr"> 167 </span><span class="subxComment"># if has metadata 'index', parse into index</span> -<span id="L168" class="LineNr"> 168 </span><span class="subxComment"># if has metadata 'scale', parse into scale</span> -<span id="L169" class="LineNr"> 169 </span><span class="subxComment"># if at least one of the 3 was present, print-byte</span> -<span id="L170" class="LineNr"> 170 </span><span class="subxComment"># parse errors => <abort></span> -<span id="L171" class="LineNr"> 171 </span><span class="subxComment"># while true:</span> -<span id="L172" class="LineNr"> 172 </span><span class="subxComment"># word-slice = next-word</span> -<span id="L173" class="LineNr"> 173 </span><span class="subxComment"># if empty(word-slice) break</span> -<span id="L174" class="LineNr"> 174 </span><span class="subxComment"># if has metadata 'disp8', emit as 1 byte</span> -<span id="L175" class="LineNr"> 175 </span><span class="subxComment"># if has metadata 'disp16', emit as 2 bytes</span> -<span id="L176" class="LineNr"> 176 </span><span class="subxComment"># if has metadata 'disp32', emit as 4 bytes</span> -<span id="L177" class="LineNr"> 177 </span><span class="subxComment"># while true:</span> -<span id="L178" class="LineNr"> 178 </span><span class="subxComment"># word-slice = next-word</span> -<span id="L179" class="LineNr"> 179 </span><span class="subxComment"># if empty(word-slice) break</span> -<span id="L180" class="LineNr"> 180 </span><span class="subxComment"># if has metadata 'imm8', emit</span> -<span id="L181" class="LineNr"> 181 </span><span class="subxComment"># if has metadata 'imm32', emit as 4 bytes</span> -<span id="L182" class="LineNr"> 182 </span><span class="subxComment"># finally, emit line prefixed with a ' # '</span> +<span id="L137" class="LineNr"> 137 </span> 51/push-ECX +<span id="L138" class="LineNr"> 138 </span> <span class="subxS2Comment"># . . call</span> +<span id="L139" class="LineNr"> 139 </span> e8/call <a href='pack.subx.html#L233'>convert-instruction</a>/disp32 +<span id="L140" class="LineNr"> 140 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L141" class="LineNr"> 141 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L142" class="LineNr"> 142 </span><span class="Constant">$convert:break</span>: +<span id="L143" class="LineNr"> 143 </span> <span class="subxComment"># flush(out)</span> +<span id="L144" class="LineNr"> 144 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L145" class="LineNr"> 145 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L146" class="LineNr"> 146 </span> <span class="subxS2Comment"># . . call</span> +<span id="L147" class="LineNr"> 147 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L148" class="LineNr"> 148 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L149" class="LineNr"> 149 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L150" class="LineNr"> 150 </span><span class="Constant">$convert:end</span>: +<span id="L151" class="LineNr"> 151 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L152" class="LineNr"> 152 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x20c/imm32 <span class="subxComment"># add to ESP</span> +<span id="L153" class="LineNr"> 153 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L154" class="LineNr"> 154 </span> 59/pop-to-ECX +<span id="L155" class="LineNr"> 155 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L156" class="LineNr"> 156 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L157" class="LineNr"> 157 </span> 5d/pop-to-EBP +<span id="L158" class="LineNr"> 158 </span> c3/return +<span id="L159" class="LineNr"> 159 </span> +<span id="L160" class="LineNr"> 160 </span><span class="subxFunction">convert-code-segment</span>: <span class="subxComment"># in : (address buffered-file), out : (address buffered-file) -> <void></span> +<span id="L161" class="LineNr"> 161 </span> <span class="subxComment"># pseudocode:</span> +<span id="L162" class="LineNr"> 162 </span> <span class="subxComment"># var line = new-stream(512, 1)</span> +<span id="L163" class="LineNr"> 163 </span> <span class="subxComment"># repeatedly</span> +<span id="L164" class="LineNr"> 164 </span> <span class="subxComment"># clear-stream(line)</span> +<span id="L165" class="LineNr"> 165 </span> <span class="subxComment"># EAX = read-line(in, line)</span> +<span id="L166" class="LineNr"> 166 </span> <span class="subxComment"># if (EAX == EOF) break</span> +<span id="L167" class="LineNr"> 167 </span> <span class="subxComment"># word-slice = next-word(line)</span> +<span id="L168" class="LineNr"> 168 </span> <span class="subxComment"># if (slice-equal?(word-slice, "=="))</span> +<span id="L169" class="LineNr"> 169 </span> <span class="subxComment"># return</span> +<span id="L170" class="LineNr"> 170 </span> <span class="subxComment"># convert-instruction(line, out)</span> +<span id="L171" class="LineNr"> 171 </span> +<span id="L172" class="LineNr"> 172 </span><span class="subxFunction">convert-data-segment</span>: <span class="subxComment"># in : (address buffered-file), out : (address buffered-file) -> <void></span> +<span id="L173" class="LineNr"> 173 </span> <span class="subxComment"># pseudocode:</span> +<span id="L174" class="LineNr"> 174 </span> <span class="subxComment"># var line = new-stream(512, 1)</span> +<span id="L175" class="LineNr"> 175 </span> <span class="subxComment"># repeatedly</span> +<span id="L176" class="LineNr"> 176 </span> <span class="subxComment"># clear-stream(line)</span> +<span id="L177" class="LineNr"> 177 </span> <span class="subxComment"># EAX = read-line(in, line)</span> +<span id="L178" class="LineNr"> 178 </span> <span class="subxComment"># if (EAX == EOF) break</span> +<span id="L179" class="LineNr"> 179 </span> <span class="subxComment"># word-slice = next-word(line)</span> +<span id="L180" class="LineNr"> 180 </span> <span class="subxComment"># if (slice-equal?(word-slice, "=="))</span> +<span id="L181" class="LineNr"> 181 </span> <span class="subxComment"># return</span> +<span id="L182" class="LineNr"> 182 </span> <span class="subxComment"># convert-data-word(line, out)</span> <span id="L183" class="LineNr"> 183 </span> -<span id="L184" class="LineNr"> 184 </span><span class="subxComment"># simplifications since we perform zero error handling (continuing to rely on the C++ version for that):</span> -<span id="L185" class="LineNr"> 185 </span><span class="subxComment"># missing fields are always 0-filled</span> -<span id="L186" class="LineNr"> 186 </span><span class="subxComment"># bytes never mentioned are silently dropped; if you don't provide /mod, /rm32 or /r32 you don't get a 0 modrm byte. You get *no* modrm byte.</span> -<span id="L187" class="LineNr"> 187 </span><span class="subxComment"># in case of conflict, last operand with a name is recognized</span> -<span id="L188" class="LineNr"> 188 </span><span class="subxComment"># silently drop extraneous operands</span> -<span id="L189" class="LineNr"> 189 </span><span class="subxComment"># unceremoniously abort on non-numeric operands except disp or imm</span> -<span id="L190" class="LineNr"> 190 </span> -<span id="L191" class="LineNr"> 191 </span><span class="subxComment"># conceptual hierarchy within a line:</span> -<span id="L192" class="LineNr"> 192 </span><span class="subxComment"># line = words separated by ' ', maybe followed by comment starting with '#'</span> -<span id="L193" class="LineNr"> 193 </span><span class="subxComment"># word = name until '/', then 0 or more metadata separated by '/'</span> -<span id="L194" class="LineNr"> 194 </span><span class="subxComment">#</span> -<span id="L195" class="LineNr"> 195 </span><span class="subxComment"># we won't bother saving the internal structure of lines; reparsing should be cheap using three primitives:</span> -<span id="L196" class="LineNr"> 196 </span><span class="subxComment"># next-token(stream, delim char) -> slice (start, end pointers)</span> -<span id="L197" class="LineNr"> 197 </span><span class="subxComment"># next-token(stream, slice, delim char) -> slice'</span> -<span id="L198" class="LineNr"> 198 </span><span class="subxComment"># slice-equal?(slice, string)</span> -<span id="L199" class="LineNr"> 199 </span> -<span id="L200" class="LineNr"> 200 </span><span class="subxFunction">convert-instruction</span>: <span class="subxComment"># line : (address stream byte), out : (address buffered-file) -> <void></span> -<span id="L201" class="LineNr"> 201 </span> <span class="subxComment"># pseudocode:</span> -<span id="L202" class="LineNr"> 202 </span> <span class="subxComment"># word-slice = next-word</span> -<span id="L203" class="LineNr"> 203 </span> <span class="subxComment"># if (*word-slice->start == '#')</span> -<span id="L204" class="LineNr"> 204 </span> <span class="subxComment"># write-stream-buffered(out, line)</span> -<span id="L205" class="LineNr"> 205 </span> <span class="subxComment"># return</span> -<span id="L206" class="LineNr"> 206 </span> <span class="subxComment"># if (starts-with(word-slice, '=='))</span> -<span id="L207" class="LineNr"> 207 </span> <span class="subxComment"># write-stream-buffered(out, line)</span> -<span id="L208" class="LineNr"> 208 </span> <span class="subxComment"># return</span> -<span id="L209" class="LineNr"> 209 </span> <span class="subxComment">#</span> -<span id="L210" class="LineNr"> 210 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L211" class="LineNr"> 211 </span> 55/push-EBP -<span id="L212" class="LineNr"> 212 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L213" class="LineNr"> 213 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L214" class="LineNr"> 214 </span> 51/push-ECX -<span id="L215" class="LineNr"> 215 </span> <span class="subxComment"># var word-slice/ECX = {0, 0}</span> -<span id="L216" class="LineNr"> 216 </span> 68/push 0/imm32/end -<span id="L217" class="LineNr"> 217 </span> 68/push 0/imm32/start -<span id="L218" class="LineNr"> 218 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L219" class="LineNr"> 219 </span> <span class="subxComment"># next-word(line, word-slice)</span> -<span id="L220" class="LineNr"> 220 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L221" class="LineNr"> 221 </span> 51/push-ECX -<span id="L222" class="LineNr"> 222 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L223" class="LineNr"> 223 </span> <span class="subxS2Comment"># . . call</span> -<span id="L224" class="LineNr"> 224 </span> e8/call <a href='pack.subx.html#L577'>next-word</a>/disp32 -<span id="L225" class="LineNr"> 225 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L226" class="LineNr"> 226 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L227" class="LineNr"> 227 </span><span class="Constant">$convert-instruction:pass-line-through</span>: -<span id="L228" class="LineNr"> 228 </span> <span class="subxComment"># write-stream-buffered(out, line)</span> -<span id="L229" class="LineNr"> 229 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L230" class="LineNr"> 230 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L231" class="LineNr"> 231 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L232" class="LineNr"> 232 </span> <span class="subxS2Comment"># . . call</span> -<span id="L233" class="LineNr"> 233 </span> e8/call <a href='../072slice.subx.html#L529'>write-stream-buffered</a>/disp32 -<span id="L234" class="LineNr"> 234 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L235" class="LineNr"> 235 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L236" class="LineNr"> 236 </span><span class="Constant">$convert-instruction:end</span>: -<span id="L237" class="LineNr"> 237 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L238" class="LineNr"> 238 </span> 59/pop-to-ECX -<span id="L239" class="LineNr"> 239 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L240" class="LineNr"> 240 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L241" class="LineNr"> 241 </span> 5d/pop-to-EBP -<span id="L242" class="LineNr"> 242 </span> c3/return -<span id="L243" class="LineNr"> 243 </span> -<span id="L244" class="LineNr"> 244 </span><span class="subxTest">test-convert-instruction-passes-comments-through</span>: -<span id="L245" class="LineNr"> 245 </span> <span class="subxComment"># if a line starts with '#', pass it along unchanged</span> -<span id="L246" class="LineNr"> 246 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L247" class="LineNr"> 247 </span> 55/push-EBP -<span id="L248" class="LineNr"> 248 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L249" class="LineNr"> 249 </span> <span class="subxComment"># setup</span> -<span id="L250" class="LineNr"> 250 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L251" class="LineNr"> 251 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L252" class="LineNr"> 252 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L253" class="LineNr"> 253 </span> <span class="subxS2Comment"># . . call</span> -<span id="L254" class="LineNr"> 254 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L255" class="LineNr"> 255 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L256" class="LineNr"> 256 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L257" class="LineNr"> 257 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L258" class="LineNr"> 258 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L259" class="LineNr"> 259 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L260" class="LineNr"> 260 </span> 05/add-to-EAX 4/imm32 -<span id="L261" class="LineNr"> 261 </span> 50/push-EAX -<span id="L262" class="LineNr"> 262 </span> <span class="subxS2Comment"># . . call</span> -<span id="L263" class="LineNr"> 263 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L264" class="LineNr"> 264 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L265" class="LineNr"> 265 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L266" class="LineNr"> 266 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> -<span id="L267" class="LineNr"> 267 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L268" class="LineNr"> 268 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L269" class="LineNr"> 269 </span> <span class="subxS2Comment"># . . call</span> -<span id="L270" class="LineNr"> 270 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L271" class="LineNr"> 271 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L272" class="LineNr"> 272 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L273" class="LineNr"> 273 </span> <span class="subxComment"># initialize input</span> -<span id="L274" class="LineNr"> 274 </span> <span class="subxS1Comment"># . write(_test-tmp-stream, "# abcd")</span> -<span id="L275" class="LineNr"> 275 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L276" class="LineNr"> 276 </span> 68/push <span class="Constant">"# abcd"</span>/imm32 -<span id="L277" class="LineNr"> 277 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L278" class="LineNr"> 278 </span> <span class="subxS2Comment"># . . call</span> -<span id="L279" class="LineNr"> 279 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L280" class="LineNr"> 280 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L281" class="LineNr"> 281 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L282" class="LineNr"> 282 </span> <span class="subxComment"># convert-instruction(_test-tmp-stream, _test-buffered-file)</span> -<span id="L283" class="LineNr"> 283 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L284" class="LineNr"> 284 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L285" class="LineNr"> 285 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 +<span id="L184" class="LineNr"> 184 </span><span class="subxH1Comment"># - To pack an instruction, following the C++ version:</span> +<span id="L185" class="LineNr"> 185 </span><span class="subxComment"># read first word as opcode and write-slice</span> +<span id="L186" class="LineNr"> 186 </span><span class="subxComment"># if 0f or f2 or f3 read second opcode and write-slice</span> +<span id="L187" class="LineNr"> 187 </span><span class="subxComment"># if 'f2 0f' or 'f3 0f' read third opcode and write-slice</span> +<span id="L188" class="LineNr"> 188 </span><span class="subxComment"># while true:</span> +<span id="L189" class="LineNr"> 189 </span><span class="subxComment"># word-slice = next-word</span> +<span id="L190" class="LineNr"> 190 </span><span class="subxComment"># if empty(word-slice) break</span> +<span id="L191" class="LineNr"> 191 </span><span class="subxComment"># if has metadata 'mod', parse into mod</span> +<span id="L192" class="LineNr"> 192 </span><span class="subxComment"># if has metadata 'rm32', parse into rm32</span> +<span id="L193" class="LineNr"> 193 </span><span class="subxComment"># if has metadata 'r32', parse into r32</span> +<span id="L194" class="LineNr"> 194 </span><span class="subxComment"># if has metadata 'subop', parse into r32</span> +<span id="L195" class="LineNr"> 195 </span><span class="subxComment"># if at least one of the 3 was present, print-byte</span> +<span id="L196" class="LineNr"> 196 </span><span class="subxComment"># while true:</span> +<span id="L197" class="LineNr"> 197 </span><span class="subxComment"># word-slice = next-word</span> +<span id="L198" class="LineNr"> 198 </span><span class="subxComment"># if empty(word-slice) break</span> +<span id="L199" class="LineNr"> 199 </span><span class="subxComment"># if has metadata 'base', parse into base</span> +<span id="L200" class="LineNr"> 200 </span><span class="subxComment"># if has metadata 'index', parse into index</span> +<span id="L201" class="LineNr"> 201 </span><span class="subxComment"># if has metadata 'scale', parse into scale</span> +<span id="L202" class="LineNr"> 202 </span><span class="subxComment"># if at least one of the 3 was present, print-byte</span> +<span id="L203" class="LineNr"> 203 </span><span class="subxComment"># parse errors => <abort></span> +<span id="L204" class="LineNr"> 204 </span><span class="subxComment"># while true:</span> +<span id="L205" class="LineNr"> 205 </span><span class="subxComment"># word-slice = next-word</span> +<span id="L206" class="LineNr"> 206 </span><span class="subxComment"># if empty(word-slice) break</span> +<span id="L207" class="LineNr"> 207 </span><span class="subxComment"># if has metadata 'disp8', emit as 1 byte</span> +<span id="L208" class="LineNr"> 208 </span><span class="subxComment"># if has metadata 'disp16', emit as 2 bytes</span> +<span id="L209" class="LineNr"> 209 </span><span class="subxComment"># if has metadata 'disp32', emit as 4 bytes</span> +<span id="L210" class="LineNr"> 210 </span><span class="subxComment"># while true:</span> +<span id="L211" class="LineNr"> 211 </span><span class="subxComment"># word-slice = next-word</span> +<span id="L212" class="LineNr"> 212 </span><span class="subxComment"># if empty(word-slice) break</span> +<span id="L213" class="LineNr"> 213 </span><span class="subxComment"># if has metadata 'imm8', emit</span> +<span id="L214" class="LineNr"> 214 </span><span class="subxComment"># if has metadata 'imm32', emit as 4 bytes</span> +<span id="L215" class="LineNr"> 215 </span><span class="subxComment"># finally, emit line prefixed with a ' # '</span> +<span id="L216" class="LineNr"> 216 </span> +<span id="L217" class="LineNr"> 217 </span><span class="subxComment"># simplifications since we perform zero error handling (continuing to rely on the C++ version for that):</span> +<span id="L218" class="LineNr"> 218 </span><span class="subxComment"># missing fields are always 0-filled</span> +<span id="L219" class="LineNr"> 219 </span><span class="subxComment"># bytes never mentioned are silently dropped; if you don't provide /mod, /rm32 or /r32 you don't get a 0 modrm byte. You get *no* modrm byte.</span> +<span id="L220" class="LineNr"> 220 </span><span class="subxComment"># in case of conflict, last operand with a name is recognized</span> +<span id="L221" class="LineNr"> 221 </span><span class="subxComment"># silently drop extraneous operands</span> +<span id="L222" class="LineNr"> 222 </span><span class="subxComment"># unceremoniously abort on non-numeric operands except disp or imm</span> +<span id="L223" class="LineNr"> 223 </span> +<span id="L224" class="LineNr"> 224 </span><span class="subxComment"># conceptual hierarchy within a line:</span> +<span id="L225" class="LineNr"> 225 </span><span class="subxComment"># line = words separated by ' ', maybe followed by comment starting with '#'</span> +<span id="L226" class="LineNr"> 226 </span><span class="subxComment"># word = name until '/', then 0 or more metadata separated by '/'</span> +<span id="L227" class="LineNr"> 227 </span><span class="subxComment">#</span> +<span id="L228" class="LineNr"> 228 </span><span class="subxComment"># we won't bother saving the internal structure of lines; reparsing should be cheap using three primitives:</span> +<span id="L229" class="LineNr"> 229 </span><span class="subxComment"># next-token(stream, delim char) -> slice (start, end pointers)</span> +<span id="L230" class="LineNr"> 230 </span><span class="subxComment"># next-token(stream, slice, delim char) -> slice'</span> +<span id="L231" class="LineNr"> 231 </span><span class="subxComment"># slice-equal?(slice, string)</span> +<span id="L232" class="LineNr"> 232 </span> +<span id="L233" class="LineNr"> 233 </span><span class="subxFunction">convert-instruction</span>: <span class="subxComment"># line : (address stream byte), out : (address buffered-file) -> <void></span> +<span id="L234" class="LineNr"> 234 </span> <span class="subxComment"># pseudocode:</span> +<span id="L235" class="LineNr"> 235 </span> <span class="subxComment"># word-slice = next-word</span> +<span id="L236" class="LineNr"> 236 </span> <span class="subxComment"># if (slice-starts-with?(word-slice, '#'))</span> +<span id="L237" class="LineNr"> 237 </span> <span class="subxComment"># write-stream-buffered(out, line)</span> +<span id="L238" class="LineNr"> 238 </span> <span class="subxComment"># return</span> +<span id="L239" class="LineNr"> 239 </span> <span class="subxComment"># if (slice-starts-with?(word-slice, '=='))</span> +<span id="L240" class="LineNr"> 240 </span> <span class="subxComment"># write-stream-buffered(out, line)</span> +<span id="L241" class="LineNr"> 241 </span> <span class="subxComment"># return</span> +<span id="L242" class="LineNr"> 242 </span> <span class="subxComment">#</span> +<span id="L243" class="LineNr"> 243 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L244" class="LineNr"> 244 </span> 55/push-EBP +<span id="L245" class="LineNr"> 245 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L246" class="LineNr"> 246 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L247" class="LineNr"> 247 </span> 51/push-ECX +<span id="L248" class="LineNr"> 248 </span> <span class="subxComment"># var word-slice/ECX = {0, 0}</span> +<span id="L249" class="LineNr"> 249 </span> 68/push 0/imm32/end +<span id="L250" class="LineNr"> 250 </span> 68/push 0/imm32/start +<span id="L251" class="LineNr"> 251 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L252" class="LineNr"> 252 </span> <span class="subxComment"># next-word(line, word-slice)</span> +<span id="L253" class="LineNr"> 253 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L254" class="LineNr"> 254 </span> 51/push-ECX +<span id="L255" class="LineNr"> 255 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L256" class="LineNr"> 256 </span> <span class="subxS2Comment"># . . call</span> +<span id="L257" class="LineNr"> 257 </span> e8/call <a href='pack.subx.html#L610'>next-word</a>/disp32 +<span id="L258" class="LineNr"> 258 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L259" class="LineNr"> 259 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L260" class="LineNr"> 260 </span><span class="Constant">$convert-instruction:pass-line-through</span>: +<span id="L261" class="LineNr"> 261 </span> <span class="subxComment"># write-stream-buffered(out, line)</span> +<span id="L262" class="LineNr"> 262 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L263" class="LineNr"> 263 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L264" class="LineNr"> 264 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L265" class="LineNr"> 265 </span> <span class="subxS2Comment"># . . call</span> +<span id="L266" class="LineNr"> 266 </span> e8/call <a href='../072slice.subx.html#L803'>write-stream-buffered</a>/disp32 +<span id="L267" class="LineNr"> 267 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L268" class="LineNr"> 268 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L269" class="LineNr"> 269 </span><span class="Constant">$convert-instruction:end</span>: +<span id="L270" class="LineNr"> 270 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L271" class="LineNr"> 271 </span> 59/pop-to-ECX +<span id="L272" class="LineNr"> 272 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L273" class="LineNr"> 273 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L274" class="LineNr"> 274 </span> 5d/pop-to-EBP +<span id="L275" class="LineNr"> 275 </span> c3/return +<span id="L276" class="LineNr"> 276 </span> +<span id="L277" class="LineNr"> 277 </span><span class="subxTest">test-convert-instruction-passes-comments-through</span>: +<span id="L278" class="LineNr"> 278 </span> <span class="subxComment"># if a line starts with '#', pass it along unchanged</span> +<span id="L279" class="LineNr"> 279 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L280" class="LineNr"> 280 </span> 55/push-EBP +<span id="L281" class="LineNr"> 281 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L282" class="LineNr"> 282 </span> <span class="subxComment"># setup</span> +<span id="L283" class="LineNr"> 283 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L284" class="LineNr"> 284 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L285" class="LineNr"> 285 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 <span id="L286" class="LineNr"> 286 </span> <span class="subxS2Comment"># . . call</span> -<span id="L287" class="LineNr"> 287 </span> e8/call <a href='pack.subx.html#L200'>convert-instruction</a>/disp32 +<span id="L287" class="LineNr"> 287 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L288" class="LineNr"> 288 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L289" class="LineNr"> 289 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L290" class="LineNr"> 290 </span> <span class="subxComment"># check that the write happened as expected</span> -<span id="L291" class="LineNr"> 291 </span> <span class="subxS1Comment"># . flush(_test-buffered-file)</span> -<span id="L292" class="LineNr"> 292 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L293" class="LineNr"> 293 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L294" class="LineNr"> 294 </span> <span class="subxS2Comment"># . . call</span> -<span id="L295" class="LineNr"> 295 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L296" class="LineNr"> 296 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L297" class="LineNr"> 297 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L298" class="LineNr"> 298 </span> <span class="subxS1Comment"># . check-stream-equal(_test-stream, "# abcd", msg)</span> -<span id="L299" class="LineNr"> 299 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L300" class="LineNr"> 300 </span> 68/push <span class="Constant">"F - test-convert-instruction-passes-comments-through"</span>/imm32 -<span id="L301" class="LineNr"> 301 </span> 68/push <span class="Constant">"# abcd"</span>/imm32 -<span id="L302" class="LineNr"> 302 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L303" class="LineNr"> 303 </span> <span class="subxS2Comment"># . . call</span> -<span id="L304" class="LineNr"> 304 </span> e8/call <a href='../058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L305" class="LineNr"> 305 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L306" class="LineNr"> 306 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L307" class="LineNr"> 307 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L308" class="LineNr"> 308 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L309" class="LineNr"> 309 </span> 5d/pop-to-EBP -<span id="L310" class="LineNr"> 310 </span> c3/return -<span id="L311" class="LineNr"> 311 </span> -<span id="L312" class="LineNr"> 312 </span><span class="subxTest">test-convert-instruction-passes-segment-headers-through</span>: -<span id="L313" class="LineNr"> 313 </span> <span class="subxComment"># if a line starts with '==', pass it along unchanged</span> -<span id="L314" class="LineNr"> 314 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L315" class="LineNr"> 315 </span> 55/push-EBP -<span id="L316" class="LineNr"> 316 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L317" class="LineNr"> 317 </span> <span class="subxComment"># setup</span> -<span id="L318" class="LineNr"> 318 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L319" class="LineNr"> 319 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L320" class="LineNr"> 320 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L321" class="LineNr"> 321 </span> <span class="subxS2Comment"># . . call</span> -<span id="L322" class="LineNr"> 322 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L323" class="LineNr"> 323 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L324" class="LineNr"> 324 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L325" class="LineNr"> 325 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L326" class="LineNr"> 326 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L327" class="LineNr"> 327 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L328" class="LineNr"> 328 </span> 05/add-to-EAX 4/imm32 -<span id="L329" class="LineNr"> 329 </span> 50/push-EAX -<span id="L330" class="LineNr"> 330 </span> <span class="subxS2Comment"># . . call</span> -<span id="L331" class="LineNr"> 331 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L332" class="LineNr"> 332 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L333" class="LineNr"> 333 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L334" class="LineNr"> 334 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> -<span id="L335" class="LineNr"> 335 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L336" class="LineNr"> 336 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L337" class="LineNr"> 337 </span> <span class="subxS2Comment"># . . call</span> -<span id="L338" class="LineNr"> 338 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L339" class="LineNr"> 339 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L340" class="LineNr"> 340 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L341" class="LineNr"> 341 </span> <span class="subxComment"># initialize input</span> -<span id="L342" class="LineNr"> 342 </span> <span class="subxS1Comment"># . write(_test-tmp-stream, "== abcd")</span> -<span id="L343" class="LineNr"> 343 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L344" class="LineNr"> 344 </span> 68/push <span class="Constant">"== abcd"</span>/imm32 -<span id="L345" class="LineNr"> 345 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L346" class="LineNr"> 346 </span> <span class="subxS2Comment"># . . call</span> -<span id="L347" class="LineNr"> 347 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L348" class="LineNr"> 348 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L349" class="LineNr"> 349 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L350" class="LineNr"> 350 </span> <span class="subxComment"># convert-instruction(_test-tmp-stream, _test-buffered-file)</span> -<span id="L351" class="LineNr"> 351 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L352" class="LineNr"> 352 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L353" class="LineNr"> 353 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 +<span id="L289" class="LineNr"> 289 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L290" class="LineNr"> 290 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L291" class="LineNr"> 291 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L292" class="LineNr"> 292 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L293" class="LineNr"> 293 </span> 05/add-to-EAX 4/imm32 +<span id="L294" class="LineNr"> 294 </span> 50/push-EAX +<span id="L295" class="LineNr"> 295 </span> <span class="subxS2Comment"># . . call</span> +<span id="L296" class="LineNr"> 296 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L297" class="LineNr"> 297 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L298" class="LineNr"> 298 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L299" class="LineNr"> 299 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> +<span id="L300" class="LineNr"> 300 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L301" class="LineNr"> 301 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L302" class="LineNr"> 302 </span> <span class="subxS2Comment"># . . call</span> +<span id="L303" class="LineNr"> 303 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L304" class="LineNr"> 304 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L305" class="LineNr"> 305 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L306" class="LineNr"> 306 </span> <span class="subxComment"># initialize input</span> +<span id="L307" class="LineNr"> 307 </span> <span class="subxS1Comment"># . write(_test-tmp-stream, "# abcd")</span> +<span id="L308" class="LineNr"> 308 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L309" class="LineNr"> 309 </span> 68/push <span class="Constant">"# abcd"</span>/imm32 +<span id="L310" class="LineNr"> 310 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L311" class="LineNr"> 311 </span> <span class="subxS2Comment"># . . call</span> +<span id="L312" class="LineNr"> 312 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L313" class="LineNr"> 313 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L314" class="LineNr"> 314 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L315" class="LineNr"> 315 </span> <span class="subxComment"># convert-instruction(_test-tmp-stream, _test-buffered-file)</span> +<span id="L316" class="LineNr"> 316 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L317" class="LineNr"> 317 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L318" class="LineNr"> 318 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L319" class="LineNr"> 319 </span> <span class="subxS2Comment"># . . call</span> +<span id="L320" class="LineNr"> 320 </span> e8/call <a href='pack.subx.html#L233'>convert-instruction</a>/disp32 +<span id="L321" class="LineNr"> 321 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L322" class="LineNr"> 322 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L323" class="LineNr"> 323 </span> <span class="subxComment"># check that the write happened as expected</span> +<span id="L324" class="LineNr"> 324 </span> <span class="subxS1Comment"># . flush(_test-buffered-file)</span> +<span id="L325" class="LineNr"> 325 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L326" class="LineNr"> 326 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L327" class="LineNr"> 327 </span> <span class="subxS2Comment"># . . call</span> +<span id="L328" class="LineNr"> 328 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L329" class="LineNr"> 329 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L330" class="LineNr"> 330 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L331" class="LineNr"> 331 </span> <span class="subxS1Comment"># . check-stream-equal(_test-stream, "# abcd", msg)</span> +<span id="L332" class="LineNr"> 332 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L333" class="LineNr"> 333 </span> 68/push <span class="Constant">"F - test-convert-instruction-passes-comments-through"</span>/imm32 +<span id="L334" class="LineNr"> 334 </span> 68/push <span class="Constant">"# abcd"</span>/imm32 +<span id="L335" class="LineNr"> 335 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L336" class="LineNr"> 336 </span> <span class="subxS2Comment"># . . call</span> +<span id="L337" class="LineNr"> 337 </span> e8/call <a href='../058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L338" class="LineNr"> 338 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L339" class="LineNr"> 339 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L340" class="LineNr"> 340 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L341" class="LineNr"> 341 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L342" class="LineNr"> 342 </span> 5d/pop-to-EBP +<span id="L343" class="LineNr"> 343 </span> c3/return +<span id="L344" class="LineNr"> 344 </span> +<span id="L345" class="LineNr"> 345 </span><span class="subxTest">test-convert-instruction-passes-segment-headers-through</span>: +<span id="L346" class="LineNr"> 346 </span> <span class="subxComment"># if a line starts with '==', pass it along unchanged</span> +<span id="L347" class="LineNr"> 347 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L348" class="LineNr"> 348 </span> 55/push-EBP +<span id="L349" class="LineNr"> 349 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L350" class="LineNr"> 350 </span> <span class="subxComment"># setup</span> +<span id="L351" class="LineNr"> 351 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L352" class="LineNr"> 352 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L353" class="LineNr"> 353 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 <span id="L354" class="LineNr"> 354 </span> <span class="subxS2Comment"># . . call</span> -<span id="L355" class="LineNr"> 355 </span> e8/call <a href='pack.subx.html#L200'>convert-instruction</a>/disp32 +<span id="L355" class="LineNr"> 355 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L356" class="LineNr"> 356 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L357" class="LineNr"> 357 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L358" class="LineNr"> 358 </span> <span class="subxComment"># check that the write happened as expected</span> -<span id="L359" class="LineNr"> 359 </span> <span class="subxS1Comment"># . flush(_test-buffered-file)</span> -<span id="L360" class="LineNr"> 360 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L361" class="LineNr"> 361 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L362" class="LineNr"> 362 </span> <span class="subxS2Comment"># . . call</span> -<span id="L363" class="LineNr"> 363 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L364" class="LineNr"> 364 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L365" class="LineNr"> 365 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L366" class="LineNr"> 366 </span> <span class="subxS1Comment"># . check-stream-equal(_test-stream, "== abcd", msg)</span> -<span id="L367" class="LineNr"> 367 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L368" class="LineNr"> 368 </span> 68/push <span class="Constant">"F - test-convert-instruction-passes-segment-headers-through"</span>/imm32 -<span id="L369" class="LineNr"> 369 </span> 68/push <span class="Constant">"== abcd"</span>/imm32 -<span id="L370" class="LineNr"> 370 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L371" class="LineNr"> 371 </span> <span class="subxS2Comment"># . . call</span> -<span id="L372" class="LineNr"> 372 </span> e8/call <a href='../058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L373" class="LineNr"> 373 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L374" class="LineNr"> 374 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L375" class="LineNr"> 375 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L376" class="LineNr"> 376 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L377" class="LineNr"> 377 </span> 5d/pop-to-EBP -<span id="L378" class="LineNr"> 378 </span> c3/return -<span id="L379" class="LineNr"> 379 </span> -<span id="L380" class="LineNr"> 380 </span><span class="subxTest">test-convert-instruction-passes-empty-lines-through</span>: -<span id="L381" class="LineNr"> 381 </span> <span class="subxComment"># if a line is empty, pass it along unchanged</span> -<span id="L382" class="LineNr"> 382 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L383" class="LineNr"> 383 </span> 55/push-EBP -<span id="L384" class="LineNr"> 384 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L385" class="LineNr"> 385 </span> <span class="subxComment"># setup</span> -<span id="L386" class="LineNr"> 386 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L387" class="LineNr"> 387 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L388" class="LineNr"> 388 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L389" class="LineNr"> 389 </span> <span class="subxS2Comment"># . . call</span> -<span id="L390" class="LineNr"> 390 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L391" class="LineNr"> 391 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L392" class="LineNr"> 392 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L393" class="LineNr"> 393 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L394" class="LineNr"> 394 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L395" class="LineNr"> 395 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L396" class="LineNr"> 396 </span> 05/add-to-EAX 4/imm32 -<span id="L397" class="LineNr"> 397 </span> 50/push-EAX -<span id="L398" class="LineNr"> 398 </span> <span class="subxS2Comment"># . . call</span> -<span id="L399" class="LineNr"> 399 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L400" class="LineNr"> 400 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L401" class="LineNr"> 401 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L402" class="LineNr"> 402 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> -<span id="L403" class="LineNr"> 403 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L404" class="LineNr"> 404 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L405" class="LineNr"> 405 </span> <span class="subxS2Comment"># . . call</span> -<span id="L406" class="LineNr"> 406 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L407" class="LineNr"> 407 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L408" class="LineNr"> 408 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L409" class="LineNr"> 409 </span> <span class="subxComment"># write nothing to input</span> -<span id="L410" class="LineNr"> 410 </span> <span class="subxComment"># convert-instruction(_test-tmp-stream, _test-buffered-file)</span> -<span id="L411" class="LineNr"> 411 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L412" class="LineNr"> 412 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L413" class="LineNr"> 413 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L414" class="LineNr"> 414 </span> <span class="subxS2Comment"># . . call</span> -<span id="L415" class="LineNr"> 415 </span> e8/call <a href='pack.subx.html#L200'>convert-instruction</a>/disp32 -<span id="L416" class="LineNr"> 416 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L417" class="LineNr"> 417 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L418" class="LineNr"> 418 </span> <span class="subxComment"># check that the write happened as expected</span> -<span id="L419" class="LineNr"> 419 </span> <span class="subxS1Comment"># . flush(_test-buffered-file)</span> +<span id="L357" class="LineNr"> 357 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L358" class="LineNr"> 358 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L359" class="LineNr"> 359 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L360" class="LineNr"> 360 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L361" class="LineNr"> 361 </span> 05/add-to-EAX 4/imm32 +<span id="L362" class="LineNr"> 362 </span> 50/push-EAX +<span id="L363" class="LineNr"> 363 </span> <span class="subxS2Comment"># . . call</span> +<span id="L364" class="LineNr"> 364 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L365" class="LineNr"> 365 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L366" class="LineNr"> 366 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L367" class="LineNr"> 367 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> +<span id="L368" class="LineNr"> 368 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L369" class="LineNr"> 369 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L370" class="LineNr"> 370 </span> <span class="subxS2Comment"># . . call</span> +<span id="L371" class="LineNr"> 371 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L372" class="LineNr"> 372 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L373" class="LineNr"> 373 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L374" class="LineNr"> 374 </span> <span class="subxComment"># initialize input</span> +<span id="L375" class="LineNr"> 375 </span> <span class="subxS1Comment"># . write(_test-tmp-stream, "== abcd")</span> +<span id="L376" class="LineNr"> 376 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L377" class="LineNr"> 377 </span> 68/push <span class="Constant">"== abcd"</span>/imm32 +<span id="L378" class="LineNr"> 378 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L379" class="LineNr"> 379 </span> <span class="subxS2Comment"># . . call</span> +<span id="L380" class="LineNr"> 380 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L381" class="LineNr"> 381 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L382" class="LineNr"> 382 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L383" class="LineNr"> 383 </span> <span class="subxComment"># convert-instruction(_test-tmp-stream, _test-buffered-file)</span> +<span id="L384" class="LineNr"> 384 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L385" class="LineNr"> 385 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L386" class="LineNr"> 386 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L387" class="LineNr"> 387 </span> <span class="subxS2Comment"># . . call</span> +<span id="L388" class="LineNr"> 388 </span> e8/call <a href='pack.subx.html#L233'>convert-instruction</a>/disp32 +<span id="L389" class="LineNr"> 389 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L390" class="LineNr"> 390 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L391" class="LineNr"> 391 </span> <span class="subxComment"># check that the write happened as expected</span> +<span id="L392" class="LineNr"> 392 </span> <span class="subxS1Comment"># . flush(_test-buffered-file)</span> +<span id="L393" class="LineNr"> 393 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L394" class="LineNr"> 394 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L395" class="LineNr"> 395 </span> <span class="subxS2Comment"># . . call</span> +<span id="L396" class="LineNr"> 396 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L397" class="LineNr"> 397 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L398" class="LineNr"> 398 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L399" class="LineNr"> 399 </span> <span class="subxS1Comment"># . check-stream-equal(_test-stream, "== abcd", msg)</span> +<span id="L400" class="LineNr"> 400 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L401" class="LineNr"> 401 </span> 68/push <span class="Constant">"F - test-convert-instruction-passes-segment-headers-through"</span>/imm32 +<span id="L402" class="LineNr"> 402 </span> 68/push <span class="Constant">"== abcd"</span>/imm32 +<span id="L403" class="LineNr"> 403 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L404" class="LineNr"> 404 </span> <span class="subxS2Comment"># . . call</span> +<span id="L405" class="LineNr"> 405 </span> e8/call <a href='../058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L406" class="LineNr"> 406 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L407" class="LineNr"> 407 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L408" class="LineNr"> 408 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L409" class="LineNr"> 409 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L410" class="LineNr"> 410 </span> 5d/pop-to-EBP +<span id="L411" class="LineNr"> 411 </span> c3/return +<span id="L412" class="LineNr"> 412 </span> +<span id="L413" class="LineNr"> 413 </span><span class="subxTest">test-convert-instruction-passes-empty-lines-through</span>: +<span id="L414" class="LineNr"> 414 </span> <span class="subxComment"># if a line is empty, pass it along unchanged</span> +<span id="L415" class="LineNr"> 415 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L416" class="LineNr"> 416 </span> 55/push-EBP +<span id="L417" class="LineNr"> 417 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L418" class="LineNr"> 418 </span> <span class="subxComment"># setup</span> +<span id="L419" class="LineNr"> 419 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> <span id="L420" class="LineNr"> 420 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L421" class="LineNr"> 421 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 +<span id="L421" class="LineNr"> 421 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 <span id="L422" class="LineNr"> 422 </span> <span class="subxS2Comment"># . . call</span> -<span id="L423" class="LineNr"> 423 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 +<span id="L423" class="LineNr"> 423 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L424" class="LineNr"> 424 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L425" class="LineNr"> 425 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L426" class="LineNr"> 426 </span> <span class="subxS1Comment"># . check-stream-equal(_test-stream, "", msg)</span> +<span id="L426" class="LineNr"> 426 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> <span id="L427" class="LineNr"> 427 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L428" class="LineNr"> 428 </span> 68/push <span class="Constant">"F - test-convert-instruction-passes-empty-lines-through"</span>/imm32 -<span id="L429" class="LineNr"> 429 </span> 68/push <span class="Constant">""</span>/imm32 -<span id="L430" class="LineNr"> 430 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 +<span id="L428" class="LineNr"> 428 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L429" class="LineNr"> 429 </span> 05/add-to-EAX 4/imm32 +<span id="L430" class="LineNr"> 430 </span> 50/push-EAX <span id="L431" class="LineNr"> 431 </span> <span class="subxS2Comment"># . . call</span> -<span id="L432" class="LineNr"> 432 </span> e8/call <a href='../058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 +<span id="L432" class="LineNr"> 432 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L433" class="LineNr"> 433 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L434" class="LineNr"> 434 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L435" class="LineNr"> 435 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L436" class="LineNr"> 436 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L437" class="LineNr"> 437 </span> 5d/pop-to-EBP -<span id="L438" class="LineNr"> 438 </span> c3/return -<span id="L439" class="LineNr"> 439 </span> -<span id="L440" class="LineNr"> 440 </span><span class="subxTest">test-convert-instruction-passes-lines-with-just-whitespace-through</span>: -<span id="L441" class="LineNr"> 441 </span> <span class="subxComment"># if a line is empty, pass it along unchanged</span> -<span id="L442" class="LineNr"> 442 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L443" class="LineNr"> 443 </span> 55/push-EBP -<span id="L444" class="LineNr"> 444 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L445" class="LineNr"> 445 </span> <span class="subxComment"># setup</span> -<span id="L446" class="LineNr"> 446 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L447" class="LineNr"> 447 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L448" class="LineNr"> 448 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L449" class="LineNr"> 449 </span> <span class="subxS2Comment"># . . call</span> -<span id="L450" class="LineNr"> 450 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L451" class="LineNr"> 451 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L452" class="LineNr"> 452 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L453" class="LineNr"> 453 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L454" class="LineNr"> 454 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L455" class="LineNr"> 455 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L456" class="LineNr"> 456 </span> 05/add-to-EAX 4/imm32 -<span id="L457" class="LineNr"> 457 </span> 50/push-EAX -<span id="L458" class="LineNr"> 458 </span> <span class="subxS2Comment"># . . call</span> -<span id="L459" class="LineNr"> 459 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L460" class="LineNr"> 460 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L461" class="LineNr"> 461 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L462" class="LineNr"> 462 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> -<span id="L463" class="LineNr"> 463 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L464" class="LineNr"> 464 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L465" class="LineNr"> 465 </span> <span class="subxS2Comment"># . . call</span> -<span id="L466" class="LineNr"> 466 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L467" class="LineNr"> 467 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L468" class="LineNr"> 468 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L469" class="LineNr"> 469 </span> <span class="subxComment"># initialize input</span> -<span id="L470" class="LineNr"> 470 </span> <span class="subxS1Comment"># . write(_test-tmp-stream, " ")</span> -<span id="L471" class="LineNr"> 471 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L472" class="LineNr"> 472 </span> 68/push <span class="Constant">" "</span>/imm32 -<span id="L473" class="LineNr"> 473 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L474" class="LineNr"> 474 </span> <span class="subxS2Comment"># . . call</span> -<span id="L475" class="LineNr"> 475 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L476" class="LineNr"> 476 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L477" class="LineNr"> 477 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L478" class="LineNr"> 478 </span> <span class="subxComment"># convert-instruction(_test-tmp-stream, _test-buffered-file)</span> -<span id="L479" class="LineNr"> 479 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L480" class="LineNr"> 480 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L481" class="LineNr"> 481 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 +<span id="L434" class="LineNr"> 434 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L435" class="LineNr"> 435 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> +<span id="L436" class="LineNr"> 436 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L437" class="LineNr"> 437 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L438" class="LineNr"> 438 </span> <span class="subxS2Comment"># . . call</span> +<span id="L439" class="LineNr"> 439 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L440" class="LineNr"> 440 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L441" class="LineNr"> 441 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L442" class="LineNr"> 442 </span> <span class="subxComment"># write nothing to input</span> +<span id="L443" class="LineNr"> 443 </span> <span class="subxComment"># convert-instruction(_test-tmp-stream, _test-buffered-file)</span> +<span id="L444" class="LineNr"> 444 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L445" class="LineNr"> 445 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L446" class="LineNr"> 446 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L447" class="LineNr"> 447 </span> <span class="subxS2Comment"># . . call</span> +<span id="L448" class="LineNr"> 448 </span> e8/call <a href='pack.subx.html#L233'>convert-instruction</a>/disp32 +<span id="L449" class="LineNr"> 449 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L450" class="LineNr"> 450 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L451" class="LineNr"> 451 </span> <span class="subxComment"># check that the write happened as expected</span> +<span id="L452" class="LineNr"> 452 </span> <span class="subxS1Comment"># . flush(_test-buffered-file)</span> +<span id="L453" class="LineNr"> 453 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L454" class="LineNr"> 454 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L455" class="LineNr"> 455 </span> <span class="subxS2Comment"># . . call</span> +<span id="L456" class="LineNr"> 456 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L457" class="LineNr"> 457 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L458" class="LineNr"> 458 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L459" class="LineNr"> 459 </span> <span class="subxS1Comment"># . check-stream-equal(_test-stream, "", msg)</span> +<span id="L460" class="LineNr"> 460 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L461" class="LineNr"> 461 </span> 68/push <span class="Constant">"F - test-convert-instruction-passes-empty-lines-through"</span>/imm32 +<span id="L462" class="LineNr"> 462 </span> 68/push <span class="Constant">""</span>/imm32 +<span id="L463" class="LineNr"> 463 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L464" class="LineNr"> 464 </span> <span class="subxS2Comment"># . . call</span> +<span id="L465" class="LineNr"> 465 </span> e8/call <a href='../058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L466" class="LineNr"> 466 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L467" class="LineNr"> 467 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L468" class="LineNr"> 468 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L469" class="LineNr"> 469 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L470" class="LineNr"> 470 </span> 5d/pop-to-EBP +<span id="L471" class="LineNr"> 471 </span> c3/return +<span id="L472" class="LineNr"> 472 </span> +<span id="L473" class="LineNr"> 473 </span><span class="subxTest">test-convert-instruction-passes-lines-with-just-whitespace-through</span>: +<span id="L474" class="LineNr"> 474 </span> <span class="subxComment"># if a line is empty, pass it along unchanged</span> +<span id="L475" class="LineNr"> 475 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L476" class="LineNr"> 476 </span> 55/push-EBP +<span id="L477" class="LineNr"> 477 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L478" class="LineNr"> 478 </span> <span class="subxComment"># setup</span> +<span id="L479" class="LineNr"> 479 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L480" class="LineNr"> 480 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L481" class="LineNr"> 481 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 <span id="L482" class="LineNr"> 482 </span> <span class="subxS2Comment"># . . call</span> -<span id="L483" class="LineNr"> 483 </span> e8/call <a href='pack.subx.html#L200'>convert-instruction</a>/disp32 +<span id="L483" class="LineNr"> 483 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L484" class="LineNr"> 484 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L485" class="LineNr"> 485 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L486" class="LineNr"> 486 </span> <span class="subxComment"># check that the write happened as expected</span> -<span id="L487" class="LineNr"> 487 </span> <span class="subxS1Comment"># . flush(_test-buffered-file)</span> -<span id="L488" class="LineNr"> 488 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L489" class="LineNr"> 489 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L490" class="LineNr"> 490 </span> <span class="subxS2Comment"># . . call</span> -<span id="L491" class="LineNr"> 491 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L492" class="LineNr"> 492 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L493" class="LineNr"> 493 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L494" class="LineNr"> 494 </span> <span class="subxS1Comment"># . check-stream-equal(_test-stream, " ", msg)</span> -<span id="L495" class="LineNr"> 495 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L496" class="LineNr"> 496 </span> 68/push <span class="Constant">"F - test-convert-instruction-passes-with-just-whitespace-through"</span>/imm32 -<span id="L497" class="LineNr"> 497 </span> 68/push <span class="Constant">" "</span>/imm32 -<span id="L498" class="LineNr"> 498 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L499" class="LineNr"> 499 </span> <span class="subxS2Comment"># . . call</span> -<span id="L500" class="LineNr"> 500 </span> e8/call <a href='../058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L501" class="LineNr"> 501 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L502" class="LineNr"> 502 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L503" class="LineNr"> 503 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L504" class="LineNr"> 504 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L505" class="LineNr"> 505 </span> 5d/pop-to-EBP -<span id="L506" class="LineNr"> 506 </span> c3/return -<span id="L507" class="LineNr"> 507 </span> -<span id="L508" class="LineNr"> 508 </span><span class="subxTest">test-convert-instruction-passes-labels-through</span>: -<span id="L509" class="LineNr"> 509 </span> <span class="subxComment"># if the first word ends with ':', pass along the entire line unchanged</span> -<span id="L510" class="LineNr"> 510 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L511" class="LineNr"> 511 </span> 55/push-EBP -<span id="L512" class="LineNr"> 512 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L513" class="LineNr"> 513 </span> <span class="subxComment"># setup</span> -<span id="L514" class="LineNr"> 514 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L515" class="LineNr"> 515 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L516" class="LineNr"> 516 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L517" class="LineNr"> 517 </span> <span class="subxS2Comment"># . . call</span> -<span id="L518" class="LineNr"> 518 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L519" class="LineNr"> 519 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L520" class="LineNr"> 520 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L521" class="LineNr"> 521 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L522" class="LineNr"> 522 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L523" class="LineNr"> 523 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L524" class="LineNr"> 524 </span> 05/add-to-EAX 4/imm32 -<span id="L525" class="LineNr"> 525 </span> 50/push-EAX -<span id="L526" class="LineNr"> 526 </span> <span class="subxS2Comment"># . . call</span> -<span id="L527" class="LineNr"> 527 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L528" class="LineNr"> 528 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L529" class="LineNr"> 529 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L530" class="LineNr"> 530 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> -<span id="L531" class="LineNr"> 531 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L532" class="LineNr"> 532 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L533" class="LineNr"> 533 </span> <span class="subxS2Comment"># . . call</span> -<span id="L534" class="LineNr"> 534 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L535" class="LineNr"> 535 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L536" class="LineNr"> 536 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L537" class="LineNr"> 537 </span> <span class="subxComment"># initialize input</span> -<span id="L538" class="LineNr"> 538 </span> <span class="subxS1Comment"># . write(_test-tmp-stream, "ab: # cd")</span> -<span id="L539" class="LineNr"> 539 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L540" class="LineNr"> 540 </span> 68/push <span class="Constant">"ab: # cd"</span>/imm32 -<span id="L541" class="LineNr"> 541 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 -<span id="L542" class="LineNr"> 542 </span> <span class="subxS2Comment"># . . call</span> -<span id="L543" class="LineNr"> 543 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L544" class="LineNr"> 544 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L545" class="LineNr"> 545 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L546" class="LineNr"> 546 </span> <span class="subxComment"># convert-instruction(_test-tmp-stream, _test-buffered-file)</span> -<span id="L547" class="LineNr"> 547 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L548" class="LineNr"> 548 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L549" class="LineNr"> 549 </span> 68/push <a href='../060read.subx.html#L352'>_test-tmp-stream</a>/imm32 +<span id="L485" class="LineNr"> 485 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L486" class="LineNr"> 486 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L487" class="LineNr"> 487 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L488" class="LineNr"> 488 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L489" class="LineNr"> 489 </span> 05/add-to-EAX 4/imm32 +<span id="L490" class="LineNr"> 490 </span> 50/push-EAX +<span id="L491" class="LineNr"> 491 </span> <span class="subxS2Comment"># . . call</span> +<span id="L492" class="LineNr"> 492 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L493" class="LineNr"> 493 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L494" class="LineNr"> 494 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L495" class="LineNr"> 495 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> +<span id="L496" class="LineNr"> 496 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L497" class="LineNr"> 497 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L498" class="LineNr"> 498 </span> <span class="subxS2Comment"># . . call</span> +<span id="L499" class="LineNr"> 499 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L500" class="LineNr"> 500 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L501" class="LineNr"> 501 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L502" class="LineNr"> 502 </span> <span class="subxComment"># initialize input</span> +<span id="L503" class="LineNr"> 503 </span> <span class="subxS1Comment"># . write(_test-tmp-stream, " ")</span> +<span id="L504" class="LineNr"> 504 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L505" class="LineNr"> 505 </span> 68/push <span class="Constant">" "</span>/imm32 +<span id="L506" class="LineNr"> 506 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L507" class="LineNr"> 507 </span> <span class="subxS2Comment"># . . call</span> +<span id="L508" class="LineNr"> 508 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L509" class="LineNr"> 509 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L510" class="LineNr"> 510 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L511" class="LineNr"> 511 </span> <span class="subxComment"># convert-instruction(_test-tmp-stream, _test-buffered-file)</span> +<span id="L512" class="LineNr"> 512 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L513" class="LineNr"> 513 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L514" class="LineNr"> 514 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L515" class="LineNr"> 515 </span> <span class="subxS2Comment"># . . call</span> +<span id="L516" class="LineNr"> 516 </span> e8/call <a href='pack.subx.html#L233'>convert-instruction</a>/disp32 +<span id="L517" class="LineNr"> 517 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L518" class="LineNr"> 518 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L519" class="LineNr"> 519 </span> <span class="subxComment"># check that the write happened as expected</span> +<span id="L520" class="LineNr"> 520 </span> <span class="subxS1Comment"># . flush(_test-buffered-file)</span> +<span id="L521" class="LineNr"> 521 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L522" class="LineNr"> 522 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L523" class="LineNr"> 523 </span> <span class="subxS2Comment"># . . call</span> +<span id="L524" class="LineNr"> 524 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L525" class="LineNr"> 525 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L526" class="LineNr"> 526 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L527" class="LineNr"> 527 </span> <span class="subxS1Comment"># . check-stream-equal(_test-stream, " ", msg)</span> +<span id="L528" class="LineNr"> 528 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L529" class="LineNr"> 529 </span> 68/push <span class="Constant">"F - test-convert-instruction-passes-with-just-whitespace-through"</span>/imm32 +<span id="L530" class="LineNr"> 530 </span> 68/push <span class="Constant">" "</span>/imm32 +<span id="L531" class="LineNr"> 531 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L532" class="LineNr"> 532 </span> <span class="subxS2Comment"># . . call</span> +<span id="L533" class="LineNr"> 533 </span> e8/call <a href='../058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L534" class="LineNr"> 534 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L535" class="LineNr"> 535 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L536" class="LineNr"> 536 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L537" class="LineNr"> 537 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L538" class="LineNr"> 538 </span> 5d/pop-to-EBP +<span id="L539" class="LineNr"> 539 </span> c3/return +<span id="L540" class="LineNr"> 540 </span> +<span id="L541" class="LineNr"> 541 </span><span class="subxTest">test-convert-instruction-passes-labels-through</span>: +<span id="L542" class="LineNr"> 542 </span> <span class="subxComment"># if the first word ends with ':', pass along the entire line unchanged</span> +<span id="L543" class="LineNr"> 543 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L544" class="LineNr"> 544 </span> 55/push-EBP +<span id="L545" class="LineNr"> 545 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L546" class="LineNr"> 546 </span> <span class="subxComment"># setup</span> +<span id="L547" class="LineNr"> 547 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L548" class="LineNr"> 548 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L549" class="LineNr"> 549 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 <span id="L550" class="LineNr"> 550 </span> <span class="subxS2Comment"># . . call</span> -<span id="L551" class="LineNr"> 551 </span> e8/call <a href='pack.subx.html#L200'>convert-instruction</a>/disp32 +<span id="L551" class="LineNr"> 551 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L552" class="LineNr"> 552 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L553" class="LineNr"> 553 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L554" class="LineNr"> 554 </span> <span class="subxComment"># check that the write happened as expected</span> -<span id="L555" class="LineNr"> 555 </span> <span class="subxS1Comment"># . flush(_test-buffered-file)</span> -<span id="L556" class="LineNr"> 556 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L557" class="LineNr"> 557 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L558" class="LineNr"> 558 </span> <span class="subxS2Comment"># . . call</span> -<span id="L559" class="LineNr"> 559 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L560" class="LineNr"> 560 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L561" class="LineNr"> 561 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L562" class="LineNr"> 562 </span> <span class="subxS1Comment"># . check-stream-equal(_test-stream, "ab: # cd", msg)</span> -<span id="L563" class="LineNr"> 563 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L564" class="LineNr"> 564 </span> 68/push <span class="Constant">"F - test-convert-instruction-passes-labels-through"</span>/imm32 -<span id="L565" class="LineNr"> 565 </span> 68/push <span class="Constant">"ab: # cd"</span>/imm32 -<span id="L566" class="LineNr"> 566 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L567" class="LineNr"> 567 </span> <span class="subxS2Comment"># . . call</span> -<span id="L568" class="LineNr"> 568 </span> e8/call <a href='../058stream-equal.subx.html#L199'>check-stream-equal</a>/disp32 -<span id="L569" class="LineNr"> 569 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L570" class="LineNr"> 570 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L571" class="LineNr"> 571 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L572" class="LineNr"> 572 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L573" class="LineNr"> 573 </span> 5d/pop-to-EBP -<span id="L574" class="LineNr"> 574 </span> c3/return -<span id="L575" class="LineNr"> 575 </span> -<span id="L576" class="LineNr"> 576 </span><span class="subxComment"># (re)compute the bounds of the next word in the line</span> -<span id="L577" class="LineNr"> 577 </span><span class="subxFunction">next-word</span>: <span class="subxComment"># line : (address stream byte), out : (address slice)</span> -<span id="L578" class="LineNr"> 578 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L579" class="LineNr"> 579 </span> 55/push-EBP -<span id="L580" class="LineNr"> 580 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L581" class="LineNr"> 581 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L582" class="LineNr"> 582 </span> 50/push-EAX -<span id="L583" class="LineNr"> 583 </span> 51/push-ECX -<span id="L584" class="LineNr"> 584 </span> 56/push-ESI -<span id="L585" class="LineNr"> 585 </span> 57/push-EDI -<span id="L586" class="LineNr"> 586 </span> <span class="subxComment"># ESI = line</span> -<span id="L587" class="LineNr"> 587 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L588" class="LineNr"> 588 </span> <span class="subxComment"># EDI = out</span> -<span id="L589" class="LineNr"> 589 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> -<span id="L590" class="LineNr"> 590 </span> <span class="subxComment"># skip-chars-matching(line, ' ')</span> -<span id="L591" class="LineNr"> 591 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L592" class="LineNr"> 592 </span> 68/push 0x20/imm32/space -<span id="L593" class="LineNr"> 593 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L594" class="LineNr"> 594 </span> <span class="subxS2Comment"># . . call</span> -<span id="L595" class="LineNr"> 595 </span> e8/call <a href='../073next-token.subx.html#L347'>skip-chars-matching</a>/disp32 -<span id="L596" class="LineNr"> 596 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L597" class="LineNr"> 597 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L598" class="LineNr"> 598 </span> <span class="subxComment"># out->start = &line->data[line->read]</span> -<span id="L599" class="LineNr"> 599 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> -<span id="L600" class="LineNr"> 600 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX+12 to EAX</span> -<span id="L601" class="LineNr"> 601 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *EDI</span> -<span id="L602" class="LineNr"> 602 </span> <span class="subxComment"># if (line->data[line->read] == '#') out->end = &line->data[line->write]), skip rest of stream and return</span> -<span id="L603" class="LineNr"> 603 </span> <span class="subxS1Comment"># . EAX = line->data[line->read]</span> -<span id="L604" class="LineNr"> 604 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> -<span id="L605" class="LineNr"> 605 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+12) to AL</span> -<span id="L606" class="LineNr"> 606 </span> <span class="subxS1Comment"># . compare</span> -<span id="L607" class="LineNr"> 607 </span> 3d/compare-EAX-with 0x23/imm32/pound -<span id="L608" class="LineNr"> 608 </span> 75/jump-if-not-equal $next-word:not-comment/disp8 -<span id="L609" class="LineNr"> 609 </span> <span class="subxS1Comment"># . out->end = &line->data[line->write]</span> -<span id="L610" class="LineNr"> 610 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EAX</span> -<span id="L611" class="LineNr"> 611 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to EAX</span> -<span id="L612" class="LineNr"> 612 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(EDI+4)</span> -<span id="L613" class="LineNr"> 613 </span> <span class="subxS1Comment"># . line->read = line->write</span> -<span id="L614" class="LineNr"> 614 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(ESI+4)</span> -<span id="L615" class="LineNr"> 615 </span> <span class="subxS1Comment"># . return</span> -<span id="L616" class="LineNr"> 616 </span> eb/jump $next-word:end/disp8 -<span id="L617" class="LineNr"> 617 </span><span class="Constant">$next-word:not-comment</span>: -<span id="L618" class="LineNr"> 618 </span> <span class="subxComment"># otherwise skip-chars-not-matching(line, ' ')</span> -<span id="L619" class="LineNr"> 619 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L620" class="LineNr"> 620 </span> 68/push 0x20/imm32/space -<span id="L621" class="LineNr"> 621 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L622" class="LineNr"> 622 </span> <span class="subxS2Comment"># . . call</span> -<span id="L623" class="LineNr"> 623 </span> e8/call <a href='../073next-token.subx.html#L469'>skip-chars-not-matching</a>/disp32 -<span id="L624" class="LineNr"> 624 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L625" class="LineNr"> 625 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L626" class="LineNr"> 626 </span> <span class="subxComment"># out->end = &line->data[line->read]</span> -<span id="L627" class="LineNr"> 627 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> -<span id="L628" class="LineNr"> 628 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX+12 to EAX</span> -<span id="L629" class="LineNr"> 629 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(EDI+4)</span> -<span id="L630" class="LineNr"> 630 </span><span class="Constant">$next-word:end</span>: -<span id="L631" class="LineNr"> 631 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L632" class="LineNr"> 632 </span> 5f/pop-to-EDI -<span id="L633" class="LineNr"> 633 </span> 5e/pop-to-ESI -<span id="L634" class="LineNr"> 634 </span> 59/pop-to-ECX -<span id="L635" class="LineNr"> 635 </span> 58/pop-to-EAX -<span id="L636" class="LineNr"> 636 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L637" class="LineNr"> 637 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L638" class="LineNr"> 638 </span> 5d/pop-to-EBP -<span id="L639" class="LineNr"> 639 </span> c3/return -<span id="L640" class="LineNr"> 640 </span> -<span id="L641" class="LineNr"> 641 </span><span class="subxTest">test-next-word</span>: -<span id="L642" class="LineNr"> 642 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L643" class="LineNr"> 643 </span> 55/push-EBP -<span id="L644" class="LineNr"> 644 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L645" class="LineNr"> 645 </span> <span class="subxComment"># setup</span> -<span id="L646" class="LineNr"> 646 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L647" class="LineNr"> 647 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L648" class="LineNr"> 648 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L649" class="LineNr"> 649 </span> <span class="subxS2Comment"># . . call</span> -<span id="L650" class="LineNr"> 650 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L651" class="LineNr"> 651 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L652" class="LineNr"> 652 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L653" class="LineNr"> 653 </span> <span class="subxComment"># var slice/ECX = {0, 0}</span> -<span id="L654" class="LineNr"> 654 </span> 68/push 0/imm32/end -<span id="L655" class="LineNr"> 655 </span> 68/push 0/imm32/start -<span id="L656" class="LineNr"> 656 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L657" class="LineNr"> 657 </span> <span class="subxComment"># write(_test-stream, " ab")</span> -<span id="L658" class="LineNr"> 658 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L659" class="LineNr"> 659 </span> 68/push <span class="Constant">" ab"</span>/imm32 -<span id="L660" class="LineNr"> 660 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L661" class="LineNr"> 661 </span> <span class="subxS2Comment"># . . call</span> -<span id="L662" class="LineNr"> 662 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L663" class="LineNr"> 663 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L664" class="LineNr"> 664 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L665" class="LineNr"> 665 </span> <span class="subxComment"># next-word(_test-stream, slice)</span> -<span id="L666" class="LineNr"> 666 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L667" class="LineNr"> 667 </span> 51/push-ECX -<span id="L668" class="LineNr"> 668 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L669" class="LineNr"> 669 </span> <span class="subxS2Comment"># . . call</span> -<span id="L670" class="LineNr"> 670 </span> e8/call <a href='pack.subx.html#L577'>next-word</a>/disp32 -<span id="L671" class="LineNr"> 671 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L672" class="LineNr"> 672 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L673" class="LineNr"> 673 </span> <span class="subxComment"># check-ints-equal(slice->start - _test-stream->data, 2, msg)</span> -<span id="L674" class="LineNr"> 674 </span> <span class="subxS1Comment"># . check-ints-equal(slice->start - _test-stream, 14, msg)</span> -<span id="L675" class="LineNr"> 675 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L676" class="LineNr"> 676 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L641'>test-next-word</a>: start"</span>/imm32 -<span id="L677" class="LineNr"> 677 </span> 68/push 0xe/imm32 -<span id="L678" class="LineNr"> 678 </span> <span class="subxS2Comment"># . . push slice->start - _test-stream</span> -<span id="L679" class="LineNr"> 679 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EAX</span> -<span id="L680" class="LineNr"> 680 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> -<span id="L681" class="LineNr"> 681 </span> 50/push-EAX +<span id="L553" class="LineNr"> 553 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L554" class="LineNr"> 554 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L555" class="LineNr"> 555 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L556" class="LineNr"> 556 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L557" class="LineNr"> 557 </span> 05/add-to-EAX 4/imm32 +<span id="L558" class="LineNr"> 558 </span> 50/push-EAX +<span id="L559" class="LineNr"> 559 </span> <span class="subxS2Comment"># . . call</span> +<span id="L560" class="LineNr"> 560 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L561" class="LineNr"> 561 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L562" class="LineNr"> 562 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L563" class="LineNr"> 563 </span> <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span> +<span id="L564" class="LineNr"> 564 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L565" class="LineNr"> 565 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L566" class="LineNr"> 566 </span> <span class="subxS2Comment"># . . call</span> +<span id="L567" class="LineNr"> 567 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L568" class="LineNr"> 568 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L569" class="LineNr"> 569 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L570" class="LineNr"> 570 </span> <span class="subxComment"># initialize input</span> +<span id="L571" class="LineNr"> 571 </span> <span class="subxS1Comment"># . write(_test-tmp-stream, "ab: # cd")</span> +<span id="L572" class="LineNr"> 572 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L573" class="LineNr"> 573 </span> 68/push <span class="Constant">"ab: # cd"</span>/imm32 +<span id="L574" class="LineNr"> 574 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L575" class="LineNr"> 575 </span> <span class="subxS2Comment"># . . call</span> +<span id="L576" class="LineNr"> 576 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L577" class="LineNr"> 577 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L578" class="LineNr"> 578 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L579" class="LineNr"> 579 </span> <span class="subxComment"># convert-instruction(_test-tmp-stream, _test-buffered-file)</span> +<span id="L580" class="LineNr"> 580 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L581" class="LineNr"> 581 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L582" class="LineNr"> 582 </span> 68/push <a href='../060read.subx.html#L345'>_test-tmp-stream</a>/imm32 +<span id="L583" class="LineNr"> 583 </span> <span class="subxS2Comment"># . . call</span> +<span id="L584" class="LineNr"> 584 </span> e8/call <a href='pack.subx.html#L233'>convert-instruction</a>/disp32 +<span id="L585" class="LineNr"> 585 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L586" class="LineNr"> 586 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L587" class="LineNr"> 587 </span> <span class="subxComment"># check that the write happened as expected</span> +<span id="L588" class="LineNr"> 588 </span> <span class="subxS1Comment"># . flush(_test-buffered-file)</span> +<span id="L589" class="LineNr"> 589 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L590" class="LineNr"> 590 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L591" class="LineNr"> 591 </span> <span class="subxS2Comment"># . . call</span> +<span id="L592" class="LineNr"> 592 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L593" class="LineNr"> 593 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L594" class="LineNr"> 594 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L595" class="LineNr"> 595 </span> <span class="subxS1Comment"># . check-stream-equal(_test-stream, "ab: # cd", msg)</span> +<span id="L596" class="LineNr"> 596 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L597" class="LineNr"> 597 </span> 68/push <span class="Constant">"F - test-convert-instruction-passes-labels-through"</span>/imm32 +<span id="L598" class="LineNr"> 598 </span> 68/push <span class="Constant">"ab: # cd"</span>/imm32 +<span id="L599" class="LineNr"> 599 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L600" class="LineNr"> 600 </span> <span class="subxS2Comment"># . . call</span> +<span id="L601" class="LineNr"> 601 </span> e8/call <a href='../058stream-equal.subx.html#L198'>check-stream-equal</a>/disp32 +<span id="L602" class="LineNr"> 602 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L603" class="LineNr"> 603 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L604" class="LineNr"> 604 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L605" class="LineNr"> 605 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L606" class="LineNr"> 606 </span> 5d/pop-to-EBP +<span id="L607" class="LineNr"> 607 </span> c3/return +<span id="L608" class="LineNr"> 608 </span> +<span id="L609" class="LineNr"> 609 </span><span class="subxComment"># (re)compute the bounds of the next word in the line</span> +<span id="L610" class="LineNr"> 610 </span><span class="subxFunction">next-word</span>: <span class="subxComment"># line : (address stream byte), out : (address slice)</span> +<span id="L611" class="LineNr"> 611 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L612" class="LineNr"> 612 </span> 55/push-EBP +<span id="L613" class="LineNr"> 613 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L614" class="LineNr"> 614 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L615" class="LineNr"> 615 </span> 50/push-EAX +<span id="L616" class="LineNr"> 616 </span> 51/push-ECX +<span id="L617" class="LineNr"> 617 </span> 56/push-ESI +<span id="L618" class="LineNr"> 618 </span> 57/push-EDI +<span id="L619" class="LineNr"> 619 </span> <span class="subxComment"># ESI = line</span> +<span id="L620" class="LineNr"> 620 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L621" class="LineNr"> 621 </span> <span class="subxComment"># EDI = out</span> +<span id="L622" class="LineNr"> 622 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EDI</span> +<span id="L623" class="LineNr"> 623 </span> <span class="subxComment"># skip-chars-matching(line, ' ')</span> +<span id="L624" class="LineNr"> 624 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L625" class="LineNr"> 625 </span> 68/push 0x20/imm32/space +<span id="L626" class="LineNr"> 626 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L627" class="LineNr"> 627 </span> <span class="subxS2Comment"># . . call</span> +<span id="L628" class="LineNr"> 628 </span> e8/call <a href='../073next-token.subx.html#L346'>skip-chars-matching</a>/disp32 +<span id="L629" class="LineNr"> 629 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L630" class="LineNr"> 630 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L631" class="LineNr"> 631 </span> <span class="subxComment"># out->start = &line->data[line->read]</span> +<span id="L632" class="LineNr"> 632 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> +<span id="L633" class="LineNr"> 633 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX+12 to EAX</span> +<span id="L634" class="LineNr"> 634 </span> 89/copy 0/mod/indirect 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *EDI</span> +<span id="L635" class="LineNr"> 635 </span> <span class="subxComment"># if (line->data[line->read] == '#') out->end = &line->data[line->write]), skip rest of stream and return</span> +<span id="L636" class="LineNr"> 636 </span> <span class="subxS1Comment"># . EAX = line->data[line->read]</span> +<span id="L637" class="LineNr"> 637 </span> 31/xor 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear EAX</span> +<span id="L638" class="LineNr"> 638 </span> 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/AL 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy byte at *(ESI+ECX+12) to AL</span> +<span id="L639" class="LineNr"> 639 </span> <span class="subxS1Comment"># . compare</span> +<span id="L640" class="LineNr"> 640 </span> 3d/compare-EAX-with 0x23/imm32/pound +<span id="L641" class="LineNr"> 641 </span> 75/jump-if-not-equal $next-word:not-comment/disp8 +<span id="L642" class="LineNr"> 642 </span> <span class="subxS1Comment"># . out->end = &line->data[line->write]</span> +<span id="L643" class="LineNr"> 643 </span> 8b/copy 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ESI to EAX</span> +<span id="L644" class="LineNr"> 644 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+EAX+12 to EAX</span> +<span id="L645" class="LineNr"> 645 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(EDI+4)</span> +<span id="L646" class="LineNr"> 646 </span> <span class="subxS1Comment"># . line->read = line->write</span> +<span id="L647" class="LineNr"> 647 </span> 89/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(ESI+4)</span> +<span id="L648" class="LineNr"> 648 </span> <span class="subxS1Comment"># . return</span> +<span id="L649" class="LineNr"> 649 </span> eb/jump $next-word:end/disp8 +<span id="L650" class="LineNr"> 650 </span><span class="Constant">$next-word:not-comment</span>: +<span id="L651" class="LineNr"> 651 </span> <span class="subxComment"># otherwise skip-chars-not-matching(line, ' ')</span> +<span id="L652" class="LineNr"> 652 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L653" class="LineNr"> 653 </span> 68/push 0x20/imm32/space +<span id="L654" class="LineNr"> 654 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L655" class="LineNr"> 655 </span> <span class="subxS2Comment"># . . call</span> +<span id="L656" class="LineNr"> 656 </span> e8/call <a href='../073next-token.subx.html#L468'>skip-chars-not-matching</a>/disp32 +<span id="L657" class="LineNr"> 657 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L658" class="LineNr"> 658 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L659" class="LineNr"> 659 </span> <span class="subxComment"># out->end = &line->data[line->read]</span> +<span id="L660" class="LineNr"> 660 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to ECX</span> +<span id="L661" class="LineNr"> 661 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX <span class="Normal"> . </span> 0/r32/EAX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESI+ECX+12 to EAX</span> +<span id="L662" class="LineNr"> 662 </span> 89/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX to *(EDI+4)</span> +<span id="L663" class="LineNr"> 663 </span><span class="Constant">$next-word:end</span>: +<span id="L664" class="LineNr"> 664 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L665" class="LineNr"> 665 </span> 5f/pop-to-EDI +<span id="L666" class="LineNr"> 666 </span> 5e/pop-to-ESI +<span id="L667" class="LineNr"> 667 </span> 59/pop-to-ECX +<span id="L668" class="LineNr"> 668 </span> 58/pop-to-EAX +<span id="L669" class="LineNr"> 669 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L670" class="LineNr"> 670 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L671" class="LineNr"> 671 </span> 5d/pop-to-EBP +<span id="L672" class="LineNr"> 672 </span> c3/return +<span id="L673" class="LineNr"> 673 </span> +<span id="L674" class="LineNr"> 674 </span><span class="subxTest">test-next-word</span>: +<span id="L675" class="LineNr"> 675 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L676" class="LineNr"> 676 </span> 55/push-EBP +<span id="L677" class="LineNr"> 677 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L678" class="LineNr"> 678 </span> <span class="subxComment"># setup</span> +<span id="L679" class="LineNr"> 679 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L680" class="LineNr"> 680 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L681" class="LineNr"> 681 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 <span id="L682" class="LineNr"> 682 </span> <span class="subxS2Comment"># . . call</span> -<span id="L683" class="LineNr"> 683 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L683" class="LineNr"> 683 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L684" class="LineNr"> 684 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L685" class="LineNr"> 685 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L686" class="LineNr"> 686 </span> <span class="subxComment"># check-ints-equal(slice->end - _test-stream->data, 4, msg)</span> -<span id="L687" class="LineNr"> 687 </span> <span class="subxS1Comment"># . check-ints-equal(slice->end - _test-stream, 16, msg)</span> -<span id="L688" class="LineNr"> 688 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L689" class="LineNr"> 689 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L641'>test-next-word</a>: end"</span>/imm32 -<span id="L690" class="LineNr"> 690 </span> 68/push 0x10/imm32 -<span id="L691" class="LineNr"> 691 </span> <span class="subxS2Comment"># . . push slice->end - _test-stream</span> -<span id="L692" class="LineNr"> 692 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EAX</span> -<span id="L693" class="LineNr"> 693 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> -<span id="L694" class="LineNr"> 694 </span> 50/push-EAX -<span id="L695" class="LineNr"> 695 </span> <span class="subxS2Comment"># . . call</span> -<span id="L696" class="LineNr"> 696 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L697" class="LineNr"> 697 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L698" class="LineNr"> 698 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L699" class="LineNr"> 699 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L700" class="LineNr"> 700 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L701" class="LineNr"> 701 </span> 5d/pop-to-EBP -<span id="L702" class="LineNr"> 702 </span> c3/return -<span id="L703" class="LineNr"> 703 </span> -<span id="L704" class="LineNr"> 704 </span><span class="subxTest">test-next-word-returns-whole-comment</span>: -<span id="L705" class="LineNr"> 705 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L706" class="LineNr"> 706 </span> 55/push-EBP -<span id="L707" class="LineNr"> 707 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L708" class="LineNr"> 708 </span> <span class="subxComment"># setup</span> -<span id="L709" class="LineNr"> 709 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L710" class="LineNr"> 710 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L711" class="LineNr"> 711 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L712" class="LineNr"> 712 </span> <span class="subxS2Comment"># . . call</span> -<span id="L713" class="LineNr"> 713 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L714" class="LineNr"> 714 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L715" class="LineNr"> 715 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L716" class="LineNr"> 716 </span> <span class="subxComment"># var slice/ECX = {0, 0}</span> -<span id="L717" class="LineNr"> 717 </span> 68/push 0/imm32/end -<span id="L718" class="LineNr"> 718 </span> 68/push 0/imm32/start -<span id="L719" class="LineNr"> 719 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L720" class="LineNr"> 720 </span> <span class="subxComment"># write(_test-stream, " # a")</span> +<span id="L685" class="LineNr"> 685 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L686" class="LineNr"> 686 </span> <span class="subxComment"># var slice/ECX = {0, 0}</span> +<span id="L687" class="LineNr"> 687 </span> 68/push 0/imm32/end +<span id="L688" class="LineNr"> 688 </span> 68/push 0/imm32/start +<span id="L689" class="LineNr"> 689 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L690" class="LineNr"> 690 </span> <span class="subxComment"># write(_test-stream, " ab")</span> +<span id="L691" class="LineNr"> 691 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L692" class="LineNr"> 692 </span> 68/push <span class="Constant">" ab"</span>/imm32 +<span id="L693" class="LineNr"> 693 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L694" class="LineNr"> 694 </span> <span class="subxS2Comment"># . . call</span> +<span id="L695" class="LineNr"> 695 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L696" class="LineNr"> 696 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L697" class="LineNr"> 697 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L698" class="LineNr"> 698 </span> <span class="subxComment"># next-word(_test-stream, slice)</span> +<span id="L699" class="LineNr"> 699 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L700" class="LineNr"> 700 </span> 51/push-ECX +<span id="L701" class="LineNr"> 701 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L702" class="LineNr"> 702 </span> <span class="subxS2Comment"># . . call</span> +<span id="L703" class="LineNr"> 703 </span> e8/call <a href='pack.subx.html#L610'>next-word</a>/disp32 +<span id="L704" class="LineNr"> 704 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L705" class="LineNr"> 705 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L706" class="LineNr"> 706 </span> <span class="subxComment"># check-ints-equal(slice->start - _test-stream->data, 2, msg)</span> +<span id="L707" class="LineNr"> 707 </span> <span class="subxS1Comment"># . check-ints-equal(slice->start - _test-stream, 14, msg)</span> +<span id="L708" class="LineNr"> 708 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L709" class="LineNr"> 709 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L674'>test-next-word</a>: start"</span>/imm32 +<span id="L710" class="LineNr"> 710 </span> 68/push 0xe/imm32 +<span id="L711" class="LineNr"> 711 </span> <span class="subxS2Comment"># . . push slice->start - _test-stream</span> +<span id="L712" class="LineNr"> 712 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EAX</span> +<span id="L713" class="LineNr"> 713 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> +<span id="L714" class="LineNr"> 714 </span> 50/push-EAX +<span id="L715" class="LineNr"> 715 </span> <span class="subxS2Comment"># . . call</span> +<span id="L716" class="LineNr"> 716 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L717" class="LineNr"> 717 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L718" class="LineNr"> 718 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L719" class="LineNr"> 719 </span> <span class="subxComment"># check-ints-equal(slice->end - _test-stream->data, 4, msg)</span> +<span id="L720" class="LineNr"> 720 </span> <span class="subxS1Comment"># . check-ints-equal(slice->end - _test-stream, 16, msg)</span> <span id="L721" class="LineNr"> 721 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L722" class="LineNr"> 722 </span> 68/push <span class="Constant">" # a"</span>/imm32 -<span id="L723" class="LineNr"> 723 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L724" class="LineNr"> 724 </span> <span class="subxS2Comment"># . . call</span> -<span id="L725" class="LineNr"> 725 </span> e8/call <a href='../057write.subx.html#L31'>write</a>/disp32 -<span id="L726" class="LineNr"> 726 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L727" class="LineNr"> 727 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L728" class="LineNr"> 728 </span> <span class="subxComment"># next-word(_test-stream, slice)</span> -<span id="L729" class="LineNr"> 729 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L730" class="LineNr"> 730 </span> 51/push-ECX -<span id="L731" class="LineNr"> 731 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L732" class="LineNr"> 732 </span> <span class="subxS2Comment"># . . call</span> -<span id="L733" class="LineNr"> 733 </span> e8/call <a href='pack.subx.html#L577'>next-word</a>/disp32 -<span id="L734" class="LineNr"> 734 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L735" class="LineNr"> 735 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L736" class="LineNr"> 736 </span> <span class="subxComment"># check-ints-equal(slice->start - _test-stream->data, 2, msg)</span> -<span id="L737" class="LineNr"> 737 </span> <span class="subxS1Comment"># . check-ints-equal(slice->start - _test-stream, 14, msg)</span> -<span id="L738" class="LineNr"> 738 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L739" class="LineNr"> 739 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L704'>test-next-word-returns-whole-comment</a>: start"</span>/imm32 -<span id="L740" class="LineNr"> 740 </span> 68/push 0xe/imm32 -<span id="L741" class="LineNr"> 741 </span> <span class="subxS2Comment"># . . push slice->start - _test-stream</span> -<span id="L742" class="LineNr"> 742 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EAX</span> -<span id="L743" class="LineNr"> 743 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> -<span id="L744" class="LineNr"> 744 </span> 50/push-EAX +<span id="L722" class="LineNr"> 722 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L674'>test-next-word</a>: end"</span>/imm32 +<span id="L723" class="LineNr"> 723 </span> 68/push 0x10/imm32 +<span id="L724" class="LineNr"> 724 </span> <span class="subxS2Comment"># . . push slice->end - _test-stream</span> +<span id="L725" class="LineNr"> 725 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EAX</span> +<span id="L726" class="LineNr"> 726 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> +<span id="L727" class="LineNr"> 727 </span> 50/push-EAX +<span id="L728" class="LineNr"> 728 </span> <span class="subxS2Comment"># . . call</span> +<span id="L729" class="LineNr"> 729 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L730" class="LineNr"> 730 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L731" class="LineNr"> 731 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L732" class="LineNr"> 732 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L733" class="LineNr"> 733 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L734" class="LineNr"> 734 </span> 5d/pop-to-EBP +<span id="L735" class="LineNr"> 735 </span> c3/return +<span id="L736" class="LineNr"> 736 </span> +<span id="L737" class="LineNr"> 737 </span><span class="subxTest">test-next-word-returns-whole-comment</span>: +<span id="L738" class="LineNr"> 738 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L739" class="LineNr"> 739 </span> 55/push-EBP +<span id="L740" class="LineNr"> 740 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L741" class="LineNr"> 741 </span> <span class="subxComment"># setup</span> +<span id="L742" class="LineNr"> 742 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L743" class="LineNr"> 743 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L744" class="LineNr"> 744 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 <span id="L745" class="LineNr"> 745 </span> <span class="subxS2Comment"># . . call</span> -<span id="L746" class="LineNr"> 746 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L746" class="LineNr"> 746 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L747" class="LineNr"> 747 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L748" class="LineNr"> 748 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L749" class="LineNr"> 749 </span> <span class="subxComment"># check-ints-equal(slice->end - _test-stream->data, 5, msg)</span> -<span id="L750" class="LineNr"> 750 </span> <span class="subxS1Comment"># . check-ints-equal(slice->end - _test-stream, 17, msg)</span> -<span id="L751" class="LineNr"> 751 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L752" class="LineNr"> 752 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L704'>test-next-word-returns-whole-comment</a>: end"</span>/imm32 -<span id="L753" class="LineNr"> 753 </span> 68/push 0x11/imm32 -<span id="L754" class="LineNr"> 754 </span> <span class="subxS2Comment"># . . push slice->end - _test-stream</span> -<span id="L755" class="LineNr"> 755 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EAX</span> -<span id="L756" class="LineNr"> 756 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> -<span id="L757" class="LineNr"> 757 </span> 50/push-EAX -<span id="L758" class="LineNr"> 758 </span> <span class="subxS2Comment"># . . call</span> -<span id="L759" class="LineNr"> 759 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L760" class="LineNr"> 760 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L761" class="LineNr"> 761 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L762" class="LineNr"> 762 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L763" class="LineNr"> 763 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L764" class="LineNr"> 764 </span> 5d/pop-to-EBP -<span id="L765" class="LineNr"> 765 </span> c3/return -<span id="L766" class="LineNr"> 766 </span> -<span id="L767" class="LineNr"> 767 </span><span class="subxFunction">has-metadata?</span>: <span class="subxComment"># word : (address slice), s : (address string) -> EAX : boolean</span> -<span id="L768" class="LineNr"> 768 </span> <span class="subxComment"># pseudocode:</span> -<span id="L769" class="LineNr"> 769 </span> <span class="subxComment"># var twig : &slice = next-token-from-slice(word->start, word->end, '/') # skip name</span> -<span id="L770" class="LineNr"> 770 </span> <span class="subxComment"># curr = twig->end</span> -<span id="L771" class="LineNr"> 771 </span> <span class="subxComment"># while true:</span> -<span id="L772" class="LineNr"> 772 </span> <span class="subxComment"># twig = next-token-from-slice(curr, word->end, '/')</span> -<span id="L773" class="LineNr"> 773 </span> <span class="subxComment"># if (twig.empty()) break</span> -<span id="L774" class="LineNr"> 774 </span> <span class="subxComment"># if (slice-equal?(twig, s)) return true</span> -<span id="L775" class="LineNr"> 775 </span> <span class="subxComment"># curr = twig->end</span> -<span id="L776" class="LineNr"> 776 </span> <span class="subxComment"># return false</span> -<span id="L777" class="LineNr"> 777 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L778" class="LineNr"> 778 </span> 55/push-EBP -<span id="L779" class="LineNr"> 779 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L780" class="LineNr"> 780 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L781" class="LineNr"> 781 </span> 51/push-ECX -<span id="L782" class="LineNr"> 782 </span> 52/push-EDX -<span id="L783" class="LineNr"> 783 </span> 56/push-ESI -<span id="L784" class="LineNr"> 784 </span> 57/push-EDI -<span id="L785" class="LineNr"> 785 </span> <span class="subxComment"># ESI = word</span> -<span id="L786" class="LineNr"> 786 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> -<span id="L787" class="LineNr"> 787 </span> <span class="subxComment"># EDX = word->end</span> -<span id="L788" class="LineNr"> 788 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to EDX</span> -<span id="L789" class="LineNr"> 789 </span> <span class="subxComment"># var twig/EDI : (address slice) = {0, 0}</span> -<span id="L790" class="LineNr"> 790 </span> 68/push 0/imm32/end -<span id="L791" class="LineNr"> 791 </span> 68/push 0/imm32/start -<span id="L792" class="LineNr"> 792 </span> 89/copy 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDI</span> -<span id="L793" class="LineNr"> 793 </span> <span class="subxComment"># next-token-from-slice(word->start, word->end, '/', twig)</span> -<span id="L794" class="LineNr"> 794 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L795" class="LineNr"> 795 </span> 57/push-EDI -<span id="L796" class="LineNr"> 796 </span> 68/push 0x2f/imm32/slash -<span id="L797" class="LineNr"> 797 </span> 52/push-EDX -<span id="L798" class="LineNr"> 798 </span> ff 6/subop/push 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ESI</span> -<span id="L799" class="LineNr"> 799 </span> <span class="subxS2Comment"># . . call</span> -<span id="L800" class="LineNr"> 800 </span> e8/call <a href='../073next-token.subx.html#L169'>next-token-from-slice</a>/disp32 -<span id="L801" class="LineNr"> 801 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L802" class="LineNr"> 802 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L803" class="LineNr"> 803 </span> <span class="subxComment"># curr/ECX = twig->end</span> -<span id="L804" class="LineNr"> 804 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> -<span id="L805" class="LineNr"> 805 </span><span class="Constant">$has-metadata?:loop</span>: -<span id="L806" class="LineNr"> 806 </span> <span class="subxComment"># next-token-from-slice(curr, word->end, '/', twig)</span> -<span id="L807" class="LineNr"> 807 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L808" class="LineNr"> 808 </span> 57/push-EDI -<span id="L809" class="LineNr"> 809 </span> 68/push 0x2f/imm32/slash -<span id="L810" class="LineNr"> 810 </span> 52/push-EDX -<span id="L811" class="LineNr"> 811 </span> 51/push-ECX -<span id="L812" class="LineNr"> 812 </span> <span class="subxS2Comment"># . . call</span> -<span id="L813" class="LineNr"> 813 </span> e8/call <a href='../073next-token.subx.html#L169'>next-token-from-slice</a>/disp32 -<span id="L814" class="LineNr"> 814 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L815" class="LineNr"> 815 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L816" class="LineNr"> 816 </span> <span class="subxComment"># if (slice-empty?(twig)) return false</span> -<span id="L817" class="LineNr"> 817 </span> <span class="subxS1Comment"># . EAX = slice-empty?(twig)</span> -<span id="L818" class="LineNr"> 818 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L819" class="LineNr"> 819 </span> 57/push-EDI -<span id="L820" class="LineNr"> 820 </span> <span class="subxS2Comment"># . . call</span> -<span id="L821" class="LineNr"> 821 </span> e8/call <a href='../072slice.subx.html#L16'>slice-empty?</a>/disp32 -<span id="L822" class="LineNr"> 822 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L823" class="LineNr"> 823 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L824" class="LineNr"> 824 </span> <span class="subxS1Comment"># . if (EAX != 0) return false</span> -<span id="L825" class="LineNr"> 825 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> -<span id="L826" class="LineNr"> 826 </span> 75/compare-if-not-equal $has-metadata?:false/disp8 -<span id="L827" class="LineNr"> 827 </span> <span class="subxComment"># if (slice-equal?(twig, s)) return true</span> -<span id="L828" class="LineNr"> 828 </span> <span class="subxS1Comment"># . EAX = slice-equal?(twig, s)</span> -<span id="L829" class="LineNr"> 829 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L830" class="LineNr"> 830 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> -<span id="L831" class="LineNr"> 831 </span> 57/push-EDI +<span id="L748" class="LineNr"> 748 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L749" class="LineNr"> 749 </span> <span class="subxComment"># var slice/ECX = {0, 0}</span> +<span id="L750" class="LineNr"> 750 </span> 68/push 0/imm32/end +<span id="L751" class="LineNr"> 751 </span> 68/push 0/imm32/start +<span id="L752" class="LineNr"> 752 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L753" class="LineNr"> 753 </span> <span class="subxComment"># write(_test-stream, " # a")</span> +<span id="L754" class="LineNr"> 754 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L755" class="LineNr"> 755 </span> 68/push <span class="Constant">" # a"</span>/imm32 +<span id="L756" class="LineNr"> 756 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L757" class="LineNr"> 757 </span> <span class="subxS2Comment"># . . call</span> +<span id="L758" class="LineNr"> 758 </span> e8/call <a href='../057write.subx.html#L24'>write</a>/disp32 +<span id="L759" class="LineNr"> 759 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L760" class="LineNr"> 760 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L761" class="LineNr"> 761 </span> <span class="subxComment"># next-word(_test-stream, slice)</span> +<span id="L762" class="LineNr"> 762 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L763" class="LineNr"> 763 </span> 51/push-ECX +<span id="L764" class="LineNr"> 764 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L765" class="LineNr"> 765 </span> <span class="subxS2Comment"># . . call</span> +<span id="L766" class="LineNr"> 766 </span> e8/call <a href='pack.subx.html#L610'>next-word</a>/disp32 +<span id="L767" class="LineNr"> 767 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L768" class="LineNr"> 768 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L769" class="LineNr"> 769 </span> <span class="subxComment"># check-ints-equal(slice->start - _test-stream->data, 2, msg)</span> +<span id="L770" class="LineNr"> 770 </span> <span class="subxS1Comment"># . check-ints-equal(slice->start - _test-stream, 14, msg)</span> +<span id="L771" class="LineNr"> 771 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L772" class="LineNr"> 772 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L737'>test-next-word-returns-whole-comment</a>: start"</span>/imm32 +<span id="L773" class="LineNr"> 773 </span> 68/push 0xe/imm32 +<span id="L774" class="LineNr"> 774 </span> <span class="subxS2Comment"># . . push slice->start - _test-stream</span> +<span id="L775" class="LineNr"> 775 </span> 8b/copy 0/mod/indirect 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ECX to EAX</span> +<span id="L776" class="LineNr"> 776 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> +<span id="L777" class="LineNr"> 777 </span> 50/push-EAX +<span id="L778" class="LineNr"> 778 </span> <span class="subxS2Comment"># . . call</span> +<span id="L779" class="LineNr"> 779 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L780" class="LineNr"> 780 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L781" class="LineNr"> 781 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L782" class="LineNr"> 782 </span> <span class="subxComment"># check-ints-equal(slice->end - _test-stream->data, 5, msg)</span> +<span id="L783" class="LineNr"> 783 </span> <span class="subxS1Comment"># . check-ints-equal(slice->end - _test-stream, 17, msg)</span> +<span id="L784" class="LineNr"> 784 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L785" class="LineNr"> 785 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L737'>test-next-word-returns-whole-comment</a>: end"</span>/imm32 +<span id="L786" class="LineNr"> 786 </span> 68/push 0x11/imm32 +<span id="L787" class="LineNr"> 787 </span> <span class="subxS2Comment"># . . push slice->end - _test-stream</span> +<span id="L788" class="LineNr"> 788 </span> 8b/copy 1/mod/*+disp8 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ECX+4) to EAX</span> +<span id="L789" class="LineNr"> 789 </span> 81 5/subop/subtract 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 <span class="subxComment"># subtract from EAX</span> +<span id="L790" class="LineNr"> 790 </span> 50/push-EAX +<span id="L791" class="LineNr"> 791 </span> <span class="subxS2Comment"># . . call</span> +<span id="L792" class="LineNr"> 792 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L793" class="LineNr"> 793 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L794" class="LineNr"> 794 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L795" class="LineNr"> 795 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L796" class="LineNr"> 796 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L797" class="LineNr"> 797 </span> 5d/pop-to-EBP +<span id="L798" class="LineNr"> 798 </span> c3/return +<span id="L799" class="LineNr"> 799 </span> +<span id="L800" class="LineNr"> 800 </span><span class="subxFunction">has-metadata?</span>: <span class="subxComment"># word : (address slice), s : (address string) -> EAX : boolean</span> +<span id="L801" class="LineNr"> 801 </span> <span class="subxComment"># pseudocode:</span> +<span id="L802" class="LineNr"> 802 </span> <span class="subxComment"># var twig : &slice = next-token-from-slice(word->start, word->end, '/') # skip name</span> +<span id="L803" class="LineNr"> 803 </span> <span class="subxComment"># curr = twig->end</span> +<span id="L804" class="LineNr"> 804 </span> <span class="subxComment"># while true:</span> +<span id="L805" class="LineNr"> 805 </span> <span class="subxComment"># twig = next-token-from-slice(curr, word->end, '/')</span> +<span id="L806" class="LineNr"> 806 </span> <span class="subxComment"># if (twig.empty()) break</span> +<span id="L807" class="LineNr"> 807 </span> <span class="subxComment"># if (slice-equal?(twig, s)) return true</span> +<span id="L808" class="LineNr"> 808 </span> <span class="subxComment"># curr = twig->end</span> +<span id="L809" class="LineNr"> 809 </span> <span class="subxComment"># return false</span> +<span id="L810" class="LineNr"> 810 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L811" class="LineNr"> 811 </span> 55/push-EBP +<span id="L812" class="LineNr"> 812 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L813" class="LineNr"> 813 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L814" class="LineNr"> 814 </span> 51/push-ECX +<span id="L815" class="LineNr"> 815 </span> 52/push-EDX +<span id="L816" class="LineNr"> 816 </span> 56/push-ESI +<span id="L817" class="LineNr"> 817 </span> 57/push-EDI +<span id="L818" class="LineNr"> 818 </span> <span class="subxComment"># ESI = word</span> +<span id="L819" class="LineNr"> 819 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to ESI</span> +<span id="L820" class="LineNr"> 820 </span> <span class="subxComment"># EDX = word->end</span> +<span id="L821" class="LineNr"> 821 </span> 8b/copy 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ESI+4) to EDX</span> +<span id="L822" class="LineNr"> 822 </span> <span class="subxComment"># var twig/EDI : (address slice) = {0, 0}</span> +<span id="L823" class="LineNr"> 823 </span> 68/push 0/imm32/end +<span id="L824" class="LineNr"> 824 </span> 68/push 0/imm32/start +<span id="L825" class="LineNr"> 825 </span> 89/copy 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDI</span> +<span id="L826" class="LineNr"> 826 </span> <span class="subxComment"># next-token-from-slice(word->start, word->end, '/', twig)</span> +<span id="L827" class="LineNr"> 827 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L828" class="LineNr"> 828 </span> 57/push-EDI +<span id="L829" class="LineNr"> 829 </span> 68/push 0x2f/imm32/slash +<span id="L830" class="LineNr"> 830 </span> 52/push-EDX +<span id="L831" class="LineNr"> 831 </span> ff 6/subop/push 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ESI</span> <span id="L832" class="LineNr"> 832 </span> <span class="subxS2Comment"># . . call</span> -<span id="L833" class="LineNr"> 833 </span> e8/call <a href='../072slice.subx.html#L98'>slice-equal?</a>/disp32 +<span id="L833" class="LineNr"> 833 </span> e8/call <a href='../073next-token.subx.html#L168'>next-token-from-slice</a>/disp32 <span id="L834" class="LineNr"> 834 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L835" class="LineNr"> 835 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L836" class="LineNr"> 836 </span> <span class="subxS1Comment"># . if (EAX != 0) return true</span> -<span id="L837" class="LineNr"> 837 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> -<span id="L838" class="LineNr"> 838 </span> 75/compare-if-not-equal $has-metadata?:true/disp8 -<span id="L839" class="LineNr"> 839 </span> <span class="subxComment"># curr = twig->end</span> -<span id="L840" class="LineNr"> 840 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> -<span id="L841" class="LineNr"> 841 </span> eb/jump $has-metadata?:loop/disp8 -<span id="L842" class="LineNr"> 842 </span><span class="Constant">$has-metadata?:true</span>: -<span id="L843" class="LineNr"> 843 </span> b8/copy-to-EAX 1/imm32/true -<span id="L844" class="LineNr"> 844 </span> eb/jump $has-metadata?:end/disp8 -<span id="L845" class="LineNr"> 845 </span><span class="Constant">$has-metadata?:false</span>: -<span id="L846" class="LineNr"> 846 </span> b8/copy-to-EAX 0/imm32/false -<span id="L847" class="LineNr"> 847 </span><span class="Constant">$has-metadata?:end</span>: -<span id="L848" class="LineNr"> 848 </span> <span class="subxS1Comment"># . reclaim locals</span> -<span id="L849" class="LineNr"> 849 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L850" class="LineNr"> 850 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L851" class="LineNr"> 851 </span> 5f/pop-to-EDI -<span id="L852" class="LineNr"> 852 </span> 5e/pop-to-ESI -<span id="L853" class="LineNr"> 853 </span> 5a/pop-to-EDX -<span id="L854" class="LineNr"> 854 </span> 59/pop-to-ECX -<span id="L855" class="LineNr"> 855 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L856" class="LineNr"> 856 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L857" class="LineNr"> 857 </span> 5d/pop-to-EBP -<span id="L858" class="LineNr"> 858 </span> c3/return -<span id="L859" class="LineNr"> 859 </span> -<span id="L860" class="LineNr"> 860 </span><span class="subxTest">test-has-metadata-true</span>: -<span id="L861" class="LineNr"> 861 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L862" class="LineNr"> 862 </span> 55/push-EBP -<span id="L863" class="LineNr"> 863 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L864" class="LineNr"> 864 </span> <span class="subxComment"># (EAX..ECX) = "ab/c"</span> -<span id="L865" class="LineNr"> 865 </span> b8/copy-to-EAX <span class="Constant">"ab/c"</span>/imm32 -<span id="L866" class="LineNr"> 866 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L867" class="LineNr"> 867 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> -<span id="L868" class="LineNr"> 868 </span> 05/add-to-EAX 4/imm32 -<span id="L869" class="LineNr"> 869 </span> <span class="subxComment"># var in/ESI : (address slice) = {EAX, ECX}</span> -<span id="L870" class="LineNr"> 870 </span> 51/push-ECX -<span id="L871" class="LineNr"> 871 </span> 50/push-EAX -<span id="L872" class="LineNr"> 872 </span> 89/copy 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ESI</span> -<span id="L873" class="LineNr"> 873 </span> <span class="subxComment"># EAX = has-metadata?(ESI, "c")</span> -<span id="L874" class="LineNr"> 874 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L875" class="LineNr"> 875 </span> 68/push <span class="Constant">"c"</span>/imm32 -<span id="L876" class="LineNr"> 876 </span> 56/push-ESI -<span id="L877" class="LineNr"> 877 </span> <span class="subxS2Comment"># . . call</span> -<span id="L878" class="LineNr"> 878 </span> e8/call <a href='pack.subx.html#L767'>has-metadata?</a>/disp32 -<span id="L879" class="LineNr"> 879 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L880" class="LineNr"> 880 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L881" class="LineNr"> 881 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L882" class="LineNr"> 882 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L883" class="LineNr"> 883 </span> 68/push <span class="Constant">"F - test-has-metadata-true"</span>/imm32 -<span id="L884" class="LineNr"> 884 </span> 68/push 1/imm32/true -<span id="L885" class="LineNr"> 885 </span> 50/push-EAX -<span id="L886" class="LineNr"> 886 </span> <span class="subxS2Comment"># . . call</span> -<span id="L887" class="LineNr"> 887 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L888" class="LineNr"> 888 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L889" class="LineNr"> 889 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L890" class="LineNr"> 890 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L891" class="LineNr"> 891 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L892" class="LineNr"> 892 </span> 5d/pop-to-EBP -<span id="L893" class="LineNr"> 893 </span> c3/return -<span id="L894" class="LineNr"> 894 </span> -<span id="L895" class="LineNr"> 895 </span><span class="subxTest">test-has-metadata-false</span>: -<span id="L896" class="LineNr"> 896 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L897" class="LineNr"> 897 </span> 55/push-EBP -<span id="L898" class="LineNr"> 898 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L899" class="LineNr"> 899 </span> <span class="subxComment"># (EAX..ECX) = "ab/c"</span> -<span id="L900" class="LineNr"> 900 </span> b8/copy-to-EAX <span class="Constant">"ab/c"</span>/imm32 -<span id="L901" class="LineNr"> 901 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L902" class="LineNr"> 902 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> -<span id="L903" class="LineNr"> 903 </span> 05/add-to-EAX 4/imm32 -<span id="L904" class="LineNr"> 904 </span> <span class="subxComment"># var in/ESI : (address slice) = {EAX, ECX}</span> -<span id="L905" class="LineNr"> 905 </span> 51/push-ECX -<span id="L906" class="LineNr"> 906 </span> 50/push-EAX -<span id="L907" class="LineNr"> 907 </span> 89/copy 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ESI</span> -<span id="L908" class="LineNr"> 908 </span> <span class="subxComment"># EAX = has-metadata?(ESI, "c")</span> -<span id="L909" class="LineNr"> 909 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L910" class="LineNr"> 910 </span> 68/push <span class="Constant">"d"</span>/imm32 -<span id="L911" class="LineNr"> 911 </span> 56/push-ESI -<span id="L912" class="LineNr"> 912 </span> <span class="subxS2Comment"># . . call</span> -<span id="L913" class="LineNr"> 913 </span> e8/call <a href='pack.subx.html#L767'>has-metadata?</a>/disp32 -<span id="L914" class="LineNr"> 914 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L915" class="LineNr"> 915 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L916" class="LineNr"> 916 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L917" class="LineNr"> 917 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L918" class="LineNr"> 918 </span> 68/push <span class="Constant">"F - test-has-metadata-false"</span>/imm32 -<span id="L919" class="LineNr"> 919 </span> 68/push 0/imm32/false -<span id="L920" class="LineNr"> 920 </span> 50/push-EAX -<span id="L921" class="LineNr"> 921 </span> <span class="subxS2Comment"># . . call</span> -<span id="L922" class="LineNr"> 922 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L923" class="LineNr"> 923 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L924" class="LineNr"> 924 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L925" class="LineNr"> 925 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L926" class="LineNr"> 926 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L927" class="LineNr"> 927 </span> 5d/pop-to-EBP -<span id="L928" class="LineNr"> 928 </span> c3/return -<span id="L929" class="LineNr"> 929 </span> -<span id="L930" class="LineNr"> 930 </span><span class="subxTest">test-has-metadata-ignore-name</span>: -<span id="L931" class="LineNr"> 931 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L932" class="LineNr"> 932 </span> 55/push-EBP -<span id="L933" class="LineNr"> 933 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L934" class="LineNr"> 934 </span> <span class="subxComment"># (EAX..ECX) = "a/b"</span> -<span id="L935" class="LineNr"> 935 </span> b8/copy-to-EAX <span class="Constant">"a/b"</span>/imm32 -<span id="L936" class="LineNr"> 936 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L937" class="LineNr"> 937 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> -<span id="L938" class="LineNr"> 938 </span> 05/add-to-EAX 4/imm32 -<span id="L939" class="LineNr"> 939 </span> <span class="subxComment"># var in/ESI : (address slice) = {EAX, ECX}</span> -<span id="L940" class="LineNr"> 940 </span> 51/push-ECX -<span id="L941" class="LineNr"> 941 </span> 50/push-EAX -<span id="L942" class="LineNr"> 942 </span> 89/copy 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ESI</span> -<span id="L943" class="LineNr"> 943 </span> <span class="subxComment"># EAX = has-metadata?(ESI, "a")</span> -<span id="L944" class="LineNr"> 944 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L945" class="LineNr"> 945 </span> 68/push <span class="Constant">"a"</span>/imm32 -<span id="L946" class="LineNr"> 946 </span> 56/push-ESI -<span id="L947" class="LineNr"> 947 </span> <span class="subxS2Comment"># . . call</span> -<span id="L948" class="LineNr"> 948 </span> e8/call <a href='pack.subx.html#L767'>has-metadata?</a>/disp32 -<span id="L949" class="LineNr"> 949 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L950" class="LineNr"> 950 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L951" class="LineNr"> 951 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L952" class="LineNr"> 952 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L953" class="LineNr"> 953 </span> 68/push <span class="Constant">"F - test-has-metadata-ignore-name"</span>/imm32 -<span id="L954" class="LineNr"> 954 </span> 68/push 0/imm32/false -<span id="L955" class="LineNr"> 955 </span> 50/push-EAX -<span id="L956" class="LineNr"> 956 </span> <span class="subxS2Comment"># . . call</span> -<span id="L957" class="LineNr"> 957 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L958" class="LineNr"> 958 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L959" class="LineNr"> 959 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L960" class="LineNr"> 960 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L961" class="LineNr"> 961 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L962" class="LineNr"> 962 </span> 5d/pop-to-EBP -<span id="L963" class="LineNr"> 963 </span> c3/return -<span id="L964" class="LineNr"> 964 </span> -<span id="L965" class="LineNr"> 965 </span><span class="subxTest">test-has-metadata-multiple-true</span>: -<span id="L966" class="LineNr"> 966 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L967" class="LineNr"> 967 </span> 55/push-EBP -<span id="L968" class="LineNr"> 968 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L969" class="LineNr"> 969 </span> <span class="subxComment"># (EAX..ECX) = "a/b/c"</span> -<span id="L970" class="LineNr"> 970 </span> b8/copy-to-EAX <span class="Constant">"a/b/c"</span>/imm32 -<span id="L971" class="LineNr"> 971 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L972" class="LineNr"> 972 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> -<span id="L973" class="LineNr"> 973 </span> 05/add-to-EAX 4/imm32 -<span id="L974" class="LineNr"> 974 </span> <span class="subxComment"># var in/ESI : (address slice) = {EAX, ECX}</span> -<span id="L975" class="LineNr"> 975 </span> 51/push-ECX -<span id="L976" class="LineNr"> 976 </span> 50/push-EAX -<span id="L977" class="LineNr"> 977 </span> 89/copy 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ESI</span> -<span id="L978" class="LineNr"> 978 </span> <span class="subxComment"># EAX = has-metadata?(ESI, "c")</span> -<span id="L979" class="LineNr"> 979 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L980" class="LineNr"> 980 </span> 68/push <span class="Constant">"c"</span>/imm32 -<span id="L981" class="LineNr"> 981 </span> 56/push-ESI -<span id="L982" class="LineNr"> 982 </span> <span class="subxS2Comment"># . . call</span> -<span id="L983" class="LineNr"> 983 </span> e8/call <a href='pack.subx.html#L767'>has-metadata?</a>/disp32 -<span id="L984" class="LineNr"> 984 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L985" class="LineNr"> 985 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L986" class="LineNr"> 986 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> -<span id="L987" class="LineNr"> 987 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L988" class="LineNr"> 988 </span> 68/push <span class="Constant">"F - test-has-metadata-multiple-true"</span>/imm32 -<span id="L989" class="LineNr"> 989 </span> 68/push 1/imm32/true -<span id="L990" class="LineNr"> 990 </span> 50/push-EAX -<span id="L991" class="LineNr"> 991 </span> <span class="subxS2Comment"># . . call</span> -<span id="L992" class="LineNr"> 992 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L993" class="LineNr"> 993 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L994" class="LineNr"> 994 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L995" class="LineNr"> 995 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L996" class="LineNr"> 996 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L997" class="LineNr"> 997 </span> 5d/pop-to-EBP -<span id="L998" class="LineNr"> 998 </span> c3/return -<span id="L999" class="LineNr"> 999 </span> -<span id="L1000" class="LineNr">1000 </span><span class="subxTest">test-has-metadata-multiple-false</span>: -<span id="L1001" class="LineNr">1001 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L1002" class="LineNr">1002 </span> 55/push-EBP -<span id="L1003" class="LineNr">1003 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L1004" class="LineNr">1004 </span> <span class="subxComment"># (EAX..ECX) = "a/b/c"</span> -<span id="L1005" class="LineNr">1005 </span> b8/copy-to-EAX <span class="Constant">"a/b/c"</span>/imm32 -<span id="L1006" class="LineNr">1006 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> -<span id="L1007" class="LineNr">1007 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> -<span id="L1008" class="LineNr">1008 </span> 05/add-to-EAX 4/imm32 -<span id="L1009" class="LineNr">1009 </span> <span class="subxComment"># var in/ESI : (address slice) = {EAX, ECX}</span> -<span id="L1010" class="LineNr">1010 </span> 51/push-ECX -<span id="L1011" class="LineNr">1011 </span> 50/push-EAX -<span id="L1012" class="LineNr">1012 </span> 89/copy 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ESI</span> -<span id="L1013" class="LineNr">1013 </span> <span class="subxComment"># EAX = has-metadata?(ESI, "d")</span> -<span id="L1014" class="LineNr">1014 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1015" class="LineNr">1015 </span> 68/push <span class="Constant">"d"</span>/imm32 -<span id="L1016" class="LineNr">1016 </span> 56/push-ESI -<span id="L1017" class="LineNr">1017 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1018" class="LineNr">1018 </span> e8/call <a href='pack.subx.html#L767'>has-metadata?</a>/disp32 -<span id="L1019" class="LineNr">1019 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1020" class="LineNr">1020 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1021" class="LineNr">1021 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> -<span id="L1022" class="LineNr">1022 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1023" class="LineNr">1023 </span> 68/push <span class="Constant">"F - test-has-metadata-multiple-false"</span>/imm32 -<span id="L1024" class="LineNr">1024 </span> 68/push 0/imm32/false -<span id="L1025" class="LineNr">1025 </span> 50/push-EAX -<span id="L1026" class="LineNr">1026 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1027" class="LineNr">1027 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1028" class="LineNr">1028 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1029" class="LineNr">1029 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1030" class="LineNr">1030 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L1031" class="LineNr">1031 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L1032" class="LineNr">1032 </span> 5d/pop-to-EBP -<span id="L1033" class="LineNr">1033 </span> c3/return -<span id="L1034" class="LineNr">1034 </span> -<span id="L1035" class="LineNr">1035 </span><span class="subxComment"># if the name of 'word' is all hex digits, parse and print its value in 'width' bytes of hex, least significant first</span> -<span id="L1036" class="LineNr">1036 </span><span class="subxComment"># otherwise just print the entire word</span> -<span id="L1037" class="LineNr">1037 </span><span class="subxFunction">emit</span>: <span class="subxComment"># out : (address buffered-file), word : (address slice), width : int</span> -<span id="L1038" class="LineNr">1038 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L1039" class="LineNr">1039 </span> 55/push-EBP -<span id="L1040" class="LineNr">1040 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L1041" class="LineNr">1041 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L1042" class="LineNr">1042 </span> 50/push-EAX -<span id="L1043" class="LineNr">1043 </span> 56/push-ESI -<span id="L1044" class="LineNr">1044 </span> 57/push-EDI -<span id="L1045" class="LineNr">1045 </span> <span class="subxComment"># ESI = word</span> -<span id="L1046" class="LineNr">1046 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> -<span id="L1047" class="LineNr">1047 </span> <span class="subxComment"># var name/EDI : (address slice) = {0, 0}</span> -<span id="L1048" class="LineNr">1048 </span> 68/push 0/imm32/end -<span id="L1049" class="LineNr">1049 </span> 68/push 0/imm32/start -<span id="L1050" class="LineNr">1050 </span> 89/copy 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDI</span> -<span id="L1051" class="LineNr">1051 </span> <span class="subxComment"># name = next-token-from-slice(word->start, word->end, '/')</span> -<span id="L1052" class="LineNr">1052 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1053" class="LineNr">1053 </span> 57/push-EDI -<span id="L1054" class="LineNr">1054 </span> 68/push 0x2f/imm32/slash -<span id="L1055" class="LineNr">1055 </span> ff 6/subop/push 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ESI+4)</span> -<span id="L1056" class="LineNr">1056 </span> ff 6/subop/push 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ESI</span> -<span id="L1057" class="LineNr">1057 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1058" class="LineNr">1058 </span> e8/call <a href='../073next-token.subx.html#L169'>next-token-from-slice</a>/disp32 -<span id="L1059" class="LineNr">1059 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1060" class="LineNr">1060 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1061" class="LineNr">1061 </span> <span class="subxComment"># if (!is-hex-int?(name)) write-slice(out, word) and return</span> -<span id="L1062" class="LineNr">1062 </span> <span class="subxS1Comment"># . is-hex-int?(name)</span> -<span id="L1063" class="LineNr">1063 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1064" class="LineNr">1064 </span> 57/push-EDI -<span id="L1065" class="LineNr">1065 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1066" class="LineNr">1066 </span> e8/call <a href='../065hex.subx.html#L16'>is-hex-int?</a>/disp32 -<span id="L1067" class="LineNr">1067 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1068" class="LineNr">1068 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1069" class="LineNr">1069 </span> <span class="subxS1Comment"># . if (EAX == 0)</span> -<span id="L1070" class="LineNr">1070 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> -<span id="L1071" class="LineNr">1071 </span> 75/jump-if-not-equal $emit:hex-int/disp8 -<span id="L1072" class="LineNr">1072 </span> <span class="subxS1Comment"># . write-slice(out, word)</span> -<span id="L1073" class="LineNr">1073 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1074" class="LineNr">1074 </span> 56/push-ESI -<span id="L1075" class="LineNr">1075 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L1076" class="LineNr">1076 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1077" class="LineNr">1077 </span> e8/call <a href='../072slice.subx.html#L393'>write-slice</a>/disp32 -<span id="L1078" class="LineNr">1078 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1079" class="LineNr">1079 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1080" class="LineNr">1080 </span> <span class="subxS1Comment"># . return</span> -<span id="L1081" class="LineNr">1081 </span> eb/jump $emit:end/disp8 -<span id="L1082" class="LineNr">1082 </span> <span class="subxComment"># otherwise emit-hex(out, parse-hex-int(name), width)</span> -<span id="L1083" class="LineNr">1083 </span><span class="Constant">$emit:hex-int</span>: -<span id="L1084" class="LineNr">1084 </span> <span class="subxS1Comment"># . n/EAX = parse-hex-int(name)</span> +<span id="L835" class="LineNr"> 835 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L836" class="LineNr"> 836 </span> <span class="subxComment"># curr/ECX = twig->end</span> +<span id="L837" class="LineNr"> 837 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> +<span id="L838" class="LineNr"> 838 </span><span class="Constant">$has-metadata?:loop</span>: +<span id="L839" class="LineNr"> 839 </span> <span class="subxComment"># next-token-from-slice(curr, word->end, '/', twig)</span> +<span id="L840" class="LineNr"> 840 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L841" class="LineNr"> 841 </span> 57/push-EDI +<span id="L842" class="LineNr"> 842 </span> 68/push 0x2f/imm32/slash +<span id="L843" class="LineNr"> 843 </span> 52/push-EDX +<span id="L844" class="LineNr"> 844 </span> 51/push-ECX +<span id="L845" class="LineNr"> 845 </span> <span class="subxS2Comment"># . . call</span> +<span id="L846" class="LineNr"> 846 </span> e8/call <a href='../073next-token.subx.html#L168'>next-token-from-slice</a>/disp32 +<span id="L847" class="LineNr"> 847 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L848" class="LineNr"> 848 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L849" class="LineNr"> 849 </span> <span class="subxComment"># if (slice-empty?(twig)) return false</span> +<span id="L850" class="LineNr"> 850 </span> <span class="subxS1Comment"># . EAX = slice-empty?(twig)</span> +<span id="L851" class="LineNr"> 851 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L852" class="LineNr"> 852 </span> 57/push-EDI +<span id="L853" class="LineNr"> 853 </span> <span class="subxS2Comment"># . . call</span> +<span id="L854" class="LineNr"> 854 </span> e8/call <a href='../072slice.subx.html#L17'>slice-empty?</a>/disp32 +<span id="L855" class="LineNr"> 855 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L856" class="LineNr"> 856 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L857" class="LineNr"> 857 </span> <span class="subxS1Comment"># . if (EAX != 0) return false</span> +<span id="L858" class="LineNr"> 858 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> +<span id="L859" class="LineNr"> 859 </span> 75/compare-if-not-equal $has-metadata?:false/disp8 +<span id="L860" class="LineNr"> 860 </span> <span class="subxComment"># if (slice-equal?(twig, s)) return true</span> +<span id="L861" class="LineNr"> 861 </span> <span class="subxS1Comment"># . EAX = slice-equal?(twig, s)</span> +<span id="L862" class="LineNr"> 862 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L863" class="LineNr"> 863 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+12)</span> +<span id="L864" class="LineNr"> 864 </span> 57/push-EDI +<span id="L865" class="LineNr"> 865 </span> <span class="subxS2Comment"># . . call</span> +<span id="L866" class="LineNr"> 866 </span> e8/call <a href='../072slice.subx.html#L99'>slice-equal?</a>/disp32 +<span id="L867" class="LineNr"> 867 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L868" class="LineNr"> 868 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L869" class="LineNr"> 869 </span> <span class="subxS1Comment"># . if (EAX != 0) return true</span> +<span id="L870" class="LineNr"> 870 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> +<span id="L871" class="LineNr"> 871 </span> 75/compare-if-not-equal $has-metadata?:true/disp8 +<span id="L872" class="LineNr"> 872 </span> <span class="subxComment"># curr = twig->end</span> +<span id="L873" class="LineNr"> 873 </span> 8b/copy 1/mod/*+disp8 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EDI+4) to ECX</span> +<span id="L874" class="LineNr"> 874 </span> eb/jump $has-metadata?:loop/disp8 +<span id="L875" class="LineNr"> 875 </span><span class="Constant">$has-metadata?:true</span>: +<span id="L876" class="LineNr"> 876 </span> b8/copy-to-EAX 1/imm32/true +<span id="L877" class="LineNr"> 877 </span> eb/jump $has-metadata?:end/disp8 +<span id="L878" class="LineNr"> 878 </span><span class="Constant">$has-metadata?:false</span>: +<span id="L879" class="LineNr"> 879 </span> b8/copy-to-EAX 0/imm32/false +<span id="L880" class="LineNr"> 880 </span><span class="Constant">$has-metadata?:end</span>: +<span id="L881" class="LineNr"> 881 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L882" class="LineNr"> 882 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L883" class="LineNr"> 883 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L884" class="LineNr"> 884 </span> 5f/pop-to-EDI +<span id="L885" class="LineNr"> 885 </span> 5e/pop-to-ESI +<span id="L886" class="LineNr"> 886 </span> 5a/pop-to-EDX +<span id="L887" class="LineNr"> 887 </span> 59/pop-to-ECX +<span id="L888" class="LineNr"> 888 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L889" class="LineNr"> 889 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L890" class="LineNr"> 890 </span> 5d/pop-to-EBP +<span id="L891" class="LineNr"> 891 </span> c3/return +<span id="L892" class="LineNr"> 892 </span> +<span id="L893" class="LineNr"> 893 </span><span class="subxTest">test-has-metadata-true</span>: +<span id="L894" class="LineNr"> 894 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L895" class="LineNr"> 895 </span> 55/push-EBP +<span id="L896" class="LineNr"> 896 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L897" class="LineNr"> 897 </span> <span class="subxComment"># (EAX..ECX) = "ab/c"</span> +<span id="L898" class="LineNr"> 898 </span> b8/copy-to-EAX <span class="Constant">"ab/c"</span>/imm32 +<span id="L899" class="LineNr"> 899 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L900" class="LineNr"> 900 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L901" class="LineNr"> 901 </span> 05/add-to-EAX 4/imm32 +<span id="L902" class="LineNr"> 902 </span> <span class="subxComment"># var in/ESI : (address slice) = {EAX, ECX}</span> +<span id="L903" class="LineNr"> 903 </span> 51/push-ECX +<span id="L904" class="LineNr"> 904 </span> 50/push-EAX +<span id="L905" class="LineNr"> 905 </span> 89/copy 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ESI</span> +<span id="L906" class="LineNr"> 906 </span> <span class="subxComment"># EAX = has-metadata?(ESI, "c")</span> +<span id="L907" class="LineNr"> 907 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L908" class="LineNr"> 908 </span> 68/push <span class="Constant">"c"</span>/imm32 +<span id="L909" class="LineNr"> 909 </span> 56/push-ESI +<span id="L910" class="LineNr"> 910 </span> <span class="subxS2Comment"># . . call</span> +<span id="L911" class="LineNr"> 911 </span> e8/call <a href='pack.subx.html#L800'>has-metadata?</a>/disp32 +<span id="L912" class="LineNr"> 912 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L913" class="LineNr"> 913 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L914" class="LineNr"> 914 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L915" class="LineNr"> 915 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L916" class="LineNr"> 916 </span> 68/push <span class="Constant">"F - test-has-metadata-true"</span>/imm32 +<span id="L917" class="LineNr"> 917 </span> 68/push 1/imm32/true +<span id="L918" class="LineNr"> 918 </span> 50/push-EAX +<span id="L919" class="LineNr"> 919 </span> <span class="subxS2Comment"># . . call</span> +<span id="L920" class="LineNr"> 920 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L921" class="LineNr"> 921 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L922" class="LineNr"> 922 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L923" class="LineNr"> 923 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L924" class="LineNr"> 924 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L925" class="LineNr"> 925 </span> 5d/pop-to-EBP +<span id="L926" class="LineNr"> 926 </span> c3/return +<span id="L927" class="LineNr"> 927 </span> +<span id="L928" class="LineNr"> 928 </span><span class="subxTest">test-has-metadata-false</span>: +<span id="L929" class="LineNr"> 929 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L930" class="LineNr"> 930 </span> 55/push-EBP +<span id="L931" class="LineNr"> 931 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L932" class="LineNr"> 932 </span> <span class="subxComment"># (EAX..ECX) = "ab/c"</span> +<span id="L933" class="LineNr"> 933 </span> b8/copy-to-EAX <span class="Constant">"ab/c"</span>/imm32 +<span id="L934" class="LineNr"> 934 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L935" class="LineNr"> 935 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L936" class="LineNr"> 936 </span> 05/add-to-EAX 4/imm32 +<span id="L937" class="LineNr"> 937 </span> <span class="subxComment"># var in/ESI : (address slice) = {EAX, ECX}</span> +<span id="L938" class="LineNr"> 938 </span> 51/push-ECX +<span id="L939" class="LineNr"> 939 </span> 50/push-EAX +<span id="L940" class="LineNr"> 940 </span> 89/copy 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ESI</span> +<span id="L941" class="LineNr"> 941 </span> <span class="subxComment"># EAX = has-metadata?(ESI, "c")</span> +<span id="L942" class="LineNr"> 942 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L943" class="LineNr"> 943 </span> 68/push <span class="Constant">"d"</span>/imm32 +<span id="L944" class="LineNr"> 944 </span> 56/push-ESI +<span id="L945" class="LineNr"> 945 </span> <span class="subxS2Comment"># . . call</span> +<span id="L946" class="LineNr"> 946 </span> e8/call <a href='pack.subx.html#L800'>has-metadata?</a>/disp32 +<span id="L947" class="LineNr"> 947 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L948" class="LineNr"> 948 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L949" class="LineNr"> 949 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L950" class="LineNr"> 950 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L951" class="LineNr"> 951 </span> 68/push <span class="Constant">"F - test-has-metadata-false"</span>/imm32 +<span id="L952" class="LineNr"> 952 </span> 68/push 0/imm32/false +<span id="L953" class="LineNr"> 953 </span> 50/push-EAX +<span id="L954" class="LineNr"> 954 </span> <span class="subxS2Comment"># . . call</span> +<span id="L955" class="LineNr"> 955 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L956" class="LineNr"> 956 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L957" class="LineNr"> 957 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L958" class="LineNr"> 958 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L959" class="LineNr"> 959 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L960" class="LineNr"> 960 </span> 5d/pop-to-EBP +<span id="L961" class="LineNr"> 961 </span> c3/return +<span id="L962" class="LineNr"> 962 </span> +<span id="L963" class="LineNr"> 963 </span><span class="subxTest">test-has-metadata-ignore-name</span>: +<span id="L964" class="LineNr"> 964 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L965" class="LineNr"> 965 </span> 55/push-EBP +<span id="L966" class="LineNr"> 966 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L967" class="LineNr"> 967 </span> <span class="subxComment"># (EAX..ECX) = "a/b"</span> +<span id="L968" class="LineNr"> 968 </span> b8/copy-to-EAX <span class="Constant">"a/b"</span>/imm32 +<span id="L969" class="LineNr"> 969 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L970" class="LineNr"> 970 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L971" class="LineNr"> 971 </span> 05/add-to-EAX 4/imm32 +<span id="L972" class="LineNr"> 972 </span> <span class="subxComment"># var in/ESI : (address slice) = {EAX, ECX}</span> +<span id="L973" class="LineNr"> 973 </span> 51/push-ECX +<span id="L974" class="LineNr"> 974 </span> 50/push-EAX +<span id="L975" class="LineNr"> 975 </span> 89/copy 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ESI</span> +<span id="L976" class="LineNr"> 976 </span> <span class="subxComment"># EAX = has-metadata?(ESI, "a")</span> +<span id="L977" class="LineNr"> 977 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L978" class="LineNr"> 978 </span> 68/push <span class="Constant">"a"</span>/imm32 +<span id="L979" class="LineNr"> 979 </span> 56/push-ESI +<span id="L980" class="LineNr"> 980 </span> <span class="subxS2Comment"># . . call</span> +<span id="L981" class="LineNr"> 981 </span> e8/call <a href='pack.subx.html#L800'>has-metadata?</a>/disp32 +<span id="L982" class="LineNr"> 982 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L983" class="LineNr"> 983 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L984" class="LineNr"> 984 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L985" class="LineNr"> 985 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L986" class="LineNr"> 986 </span> 68/push <span class="Constant">"F - test-has-metadata-ignore-name"</span>/imm32 +<span id="L987" class="LineNr"> 987 </span> 68/push 0/imm32/false +<span id="L988" class="LineNr"> 988 </span> 50/push-EAX +<span id="L989" class="LineNr"> 989 </span> <span class="subxS2Comment"># . . call</span> +<span id="L990" class="LineNr"> 990 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L991" class="LineNr"> 991 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L992" class="LineNr"> 992 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L993" class="LineNr"> 993 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L994" class="LineNr"> 994 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L995" class="LineNr"> 995 </span> 5d/pop-to-EBP +<span id="L996" class="LineNr"> 996 </span> c3/return +<span id="L997" class="LineNr"> 997 </span> +<span id="L998" class="LineNr"> 998 </span><span class="subxTest">test-has-metadata-multiple-true</span>: +<span id="L999" class="LineNr"> 999 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L1000" class="LineNr">1000 </span> 55/push-EBP +<span id="L1001" class="LineNr">1001 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L1002" class="LineNr">1002 </span> <span class="subxComment"># (EAX..ECX) = "a/b/c"</span> +<span id="L1003" class="LineNr">1003 </span> b8/copy-to-EAX <span class="Constant">"a/b/c"</span>/imm32 +<span id="L1004" class="LineNr">1004 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L1005" class="LineNr">1005 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L1006" class="LineNr">1006 </span> 05/add-to-EAX 4/imm32 +<span id="L1007" class="LineNr">1007 </span> <span class="subxComment"># var in/ESI : (address slice) = {EAX, ECX}</span> +<span id="L1008" class="LineNr">1008 </span> 51/push-ECX +<span id="L1009" class="LineNr">1009 </span> 50/push-EAX +<span id="L1010" class="LineNr">1010 </span> 89/copy 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ESI</span> +<span id="L1011" class="LineNr">1011 </span> <span class="subxComment"># EAX = has-metadata?(ESI, "c")</span> +<span id="L1012" class="LineNr">1012 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1013" class="LineNr">1013 </span> 68/push <span class="Constant">"c"</span>/imm32 +<span id="L1014" class="LineNr">1014 </span> 56/push-ESI +<span id="L1015" class="LineNr">1015 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1016" class="LineNr">1016 </span> e8/call <a href='pack.subx.html#L800'>has-metadata?</a>/disp32 +<span id="L1017" class="LineNr">1017 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1018" class="LineNr">1018 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1019" class="LineNr">1019 </span> <span class="subxComment"># check-ints-equal(EAX, 1, msg)</span> +<span id="L1020" class="LineNr">1020 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1021" class="LineNr">1021 </span> 68/push <span class="Constant">"F - test-has-metadata-multiple-true"</span>/imm32 +<span id="L1022" class="LineNr">1022 </span> 68/push 1/imm32/true +<span id="L1023" class="LineNr">1023 </span> 50/push-EAX +<span id="L1024" class="LineNr">1024 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1025" class="LineNr">1025 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1026" class="LineNr">1026 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1027" class="LineNr">1027 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1028" class="LineNr">1028 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1029" class="LineNr">1029 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L1030" class="LineNr">1030 </span> 5d/pop-to-EBP +<span id="L1031" class="LineNr">1031 </span> c3/return +<span id="L1032" class="LineNr">1032 </span> +<span id="L1033" class="LineNr">1033 </span><span class="subxTest">test-has-metadata-multiple-false</span>: +<span id="L1034" class="LineNr">1034 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L1035" class="LineNr">1035 </span> 55/push-EBP +<span id="L1036" class="LineNr">1036 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L1037" class="LineNr">1037 </span> <span class="subxComment"># (EAX..ECX) = "a/b/c"</span> +<span id="L1038" class="LineNr">1038 </span> b8/copy-to-EAX <span class="Constant">"a/b/c"</span>/imm32 +<span id="L1039" class="LineNr">1039 </span> 8b/copy 0/mod/indirect 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *EAX to ECX</span> +<span id="L1040" class="LineNr">1040 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX <span class="Normal"> . </span> 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy EAX+ECX+4 to ECX</span> +<span id="L1041" class="LineNr">1041 </span> 05/add-to-EAX 4/imm32 +<span id="L1042" class="LineNr">1042 </span> <span class="subxComment"># var in/ESI : (address slice) = {EAX, ECX}</span> +<span id="L1043" class="LineNr">1043 </span> 51/push-ECX +<span id="L1044" class="LineNr">1044 </span> 50/push-EAX +<span id="L1045" class="LineNr">1045 </span> 89/copy 3/mod/direct 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ESI</span> +<span id="L1046" class="LineNr">1046 </span> <span class="subxComment"># EAX = has-metadata?(ESI, "d")</span> +<span id="L1047" class="LineNr">1047 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1048" class="LineNr">1048 </span> 68/push <span class="Constant">"d"</span>/imm32 +<span id="L1049" class="LineNr">1049 </span> 56/push-ESI +<span id="L1050" class="LineNr">1050 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1051" class="LineNr">1051 </span> e8/call <a href='pack.subx.html#L800'>has-metadata?</a>/disp32 +<span id="L1052" class="LineNr">1052 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1053" class="LineNr">1053 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1054" class="LineNr">1054 </span> <span class="subxComment"># check-ints-equal(EAX, 0, msg)</span> +<span id="L1055" class="LineNr">1055 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1056" class="LineNr">1056 </span> 68/push <span class="Constant">"F - test-has-metadata-multiple-false"</span>/imm32 +<span id="L1057" class="LineNr">1057 </span> 68/push 0/imm32/false +<span id="L1058" class="LineNr">1058 </span> 50/push-EAX +<span id="L1059" class="LineNr">1059 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1060" class="LineNr">1060 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1061" class="LineNr">1061 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1062" class="LineNr">1062 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1063" class="LineNr">1063 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1064" class="LineNr">1064 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L1065" class="LineNr">1065 </span> 5d/pop-to-EBP +<span id="L1066" class="LineNr">1066 </span> c3/return +<span id="L1067" class="LineNr">1067 </span> +<span id="L1068" class="LineNr">1068 </span><span class="subxComment"># if the name of 'word' is all hex digits, parse and print its value in 'width' bytes of hex, least significant first</span> +<span id="L1069" class="LineNr">1069 </span><span class="subxComment"># otherwise just print the entire word</span> +<span id="L1070" class="LineNr">1070 </span><span class="subxFunction">emit</span>: <span class="subxComment"># out : (address buffered-file), word : (address slice), width : int</span> +<span id="L1071" class="LineNr">1071 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L1072" class="LineNr">1072 </span> 55/push-EBP +<span id="L1073" class="LineNr">1073 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L1074" class="LineNr">1074 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L1075" class="LineNr">1075 </span> 50/push-EAX +<span id="L1076" class="LineNr">1076 </span> 56/push-ESI +<span id="L1077" class="LineNr">1077 </span> 57/push-EDI +<span id="L1078" class="LineNr">1078 </span> <span class="subxComment"># ESI = word</span> +<span id="L1079" class="LineNr">1079 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/ESI 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to ESI</span> +<span id="L1080" class="LineNr">1080 </span> <span class="subxComment"># var name/EDI : (address slice) = {0, 0}</span> +<span id="L1081" class="LineNr">1081 </span> 68/push 0/imm32/end +<span id="L1082" class="LineNr">1082 </span> 68/push 0/imm32/start +<span id="L1083" class="LineNr">1083 </span> 89/copy 3/mod/direct 7/rm32/EDI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EDI</span> +<span id="L1084" class="LineNr">1084 </span> <span class="subxComment"># name = next-token-from-slice(word->start, word->end, '/')</span> <span id="L1085" class="LineNr">1085 </span> <span class="subxS2Comment"># . . push args</span> <span id="L1086" class="LineNr">1086 </span> 57/push-EDI -<span id="L1087" class="LineNr">1087 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1088" class="LineNr">1088 </span> e8/call <a href='../065hex.subx.html#L326'>parse-hex-int</a>/disp32 -<span id="L1089" class="LineNr">1089 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1090" class="LineNr">1090 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1091" class="LineNr">1091 </span> <span class="subxS1Comment"># . emit-hex(out, n, width)</span> -<span id="L1092" class="LineNr">1092 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1093" class="LineNr">1093 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> -<span id="L1094" class="LineNr">1094 </span> 50/push-EAX -<span id="L1095" class="LineNr">1095 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> -<span id="L1096" class="LineNr">1096 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1097" class="LineNr">1097 </span> e8/call <a href='pack.subx.html#L1368'>emit-hex</a>/disp32 -<span id="L1098" class="LineNr">1098 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1099" class="LineNr">1099 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1100" class="LineNr">1100 </span><span class="Constant">$emit:end</span>: -<span id="L1101" class="LineNr">1101 </span> <span class="subxS1Comment"># . reclaim locals</span> -<span id="L1102" class="LineNr">1102 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1103" class="LineNr">1103 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L1104" class="LineNr">1104 </span> 5f/pop-to-EDI -<span id="L1105" class="LineNr">1105 </span> 5e/pop-to-ESI -<span id="L1106" class="LineNr">1106 </span> 58/pop-to-EAX -<span id="L1107" class="LineNr">1107 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L1108" class="LineNr">1108 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L1109" class="LineNr">1109 </span> 5d/pop-to-EBP -<span id="L1110" class="LineNr">1110 </span> c3/return -<span id="L1111" class="LineNr">1111 </span> -<span id="L1112" class="LineNr">1112 </span><span class="subxTest">test-emit-number</span>: -<span id="L1113" class="LineNr">1113 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L1114" class="LineNr">1114 </span> 55/push-EBP -<span id="L1115" class="LineNr">1115 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L1116" class="LineNr">1116 </span> <span class="subxComment"># setup</span> -<span id="L1117" class="LineNr">1117 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1087" class="LineNr">1087 </span> 68/push 0x2f/imm32/slash +<span id="L1088" class="LineNr">1088 </span> ff 6/subop/push 1/mod/*+disp8 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ESI+4)</span> +<span id="L1089" class="LineNr">1089 </span> ff 6/subop/push 0/mod/indirect 6/rm32/ESI <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># push *ESI</span> +<span id="L1090" class="LineNr">1090 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1091" class="LineNr">1091 </span> e8/call <a href='../073next-token.subx.html#L168'>next-token-from-slice</a>/disp32 +<span id="L1092" class="LineNr">1092 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1093" class="LineNr">1093 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1094" class="LineNr">1094 </span> <span class="subxComment"># if (!is-hex-int?(name)) write-slice(out, word) and return</span> +<span id="L1095" class="LineNr">1095 </span> <span class="subxS1Comment"># . is-hex-int?(name)</span> +<span id="L1096" class="LineNr">1096 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1097" class="LineNr">1097 </span> 57/push-EDI +<span id="L1098" class="LineNr">1098 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1099" class="LineNr">1099 </span> e8/call <a href='../065hex.subx.html#L9'>is-hex-int?</a>/disp32 +<span id="L1100" class="LineNr">1100 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1101" class="LineNr">1101 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1102" class="LineNr">1102 </span> <span class="subxS1Comment"># . if (EAX == 0)</span> +<span id="L1103" class="LineNr">1103 </span> 81 7/subop/compare 3/mod/direct 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare EAX</span> +<span id="L1104" class="LineNr">1104 </span> 75/jump-if-not-equal $emit:hex-int/disp8 +<span id="L1105" class="LineNr">1105 </span> <span class="subxS1Comment"># . write-slice(out, word)</span> +<span id="L1106" class="LineNr">1106 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1107" class="LineNr">1107 </span> 56/push-ESI +<span id="L1108" class="LineNr">1108 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> +<span id="L1109" class="LineNr">1109 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1110" class="LineNr">1110 </span> e8/call <a href='../072slice.subx.html#L667'>write-slice</a>/disp32 +<span id="L1111" class="LineNr">1111 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1112" class="LineNr">1112 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1113" class="LineNr">1113 </span> <span class="subxS1Comment"># . return</span> +<span id="L1114" class="LineNr">1114 </span> eb/jump $emit:end/disp8 +<span id="L1115" class="LineNr">1115 </span> <span class="subxComment"># otherwise emit-hex(out, parse-hex-int(name), width)</span> +<span id="L1116" class="LineNr">1116 </span><span class="Constant">$emit:hex-int</span>: +<span id="L1117" class="LineNr">1117 </span> <span class="subxS1Comment"># . n/EAX = parse-hex-int(name)</span> <span id="L1118" class="LineNr">1118 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1119" class="LineNr">1119 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 +<span id="L1119" class="LineNr">1119 </span> 57/push-EDI <span id="L1120" class="LineNr">1120 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1121" class="LineNr">1121 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 +<span id="L1121" class="LineNr">1121 </span> e8/call <a href='../065hex.subx.html#L319'>parse-hex-int</a>/disp32 <span id="L1122" class="LineNr">1122 </span> <span class="subxS2Comment"># . . discard args</span> <span id="L1123" class="LineNr">1123 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1124" class="LineNr">1124 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1124" class="LineNr">1124 </span> <span class="subxS1Comment"># . emit-hex(out, n, width)</span> <span id="L1125" class="LineNr">1125 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1126" class="LineNr">1126 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1127" class="LineNr">1127 </span> 05/add-to-EAX 4/imm32 -<span id="L1128" class="LineNr">1128 </span> 50/push-EAX +<span id="L1126" class="LineNr">1126 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+16)</span> +<span id="L1127" class="LineNr">1127 </span> 50/push-EAX +<span id="L1128" class="LineNr">1128 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EBP+8)</span> <span id="L1129" class="LineNr">1129 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1130" class="LineNr">1130 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 +<span id="L1130" class="LineNr">1130 </span> e8/call <a href='pack.subx.html#L1401'>emit-hex</a>/disp32 <span id="L1131" class="LineNr">1131 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1132" class="LineNr">1132 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1133" class="LineNr">1133 </span> <span class="subxComment"># var slice/ECX = "-2"</span> -<span id="L1134" class="LineNr">1134 </span> 68/push <a href='pack.subx.html#L1655'>_test-slice-negative-two-end</a>/imm32/end -<span id="L1135" class="LineNr">1135 </span> 68/push <a href='pack.subx.html#L1653'>_test-slice-negative-two</a>/imm32/start -<span id="L1136" class="LineNr">1136 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L1137" class="LineNr">1137 </span> <span class="subxComment"># emit(_test-buffered-file, slice, 2)</span> -<span id="L1138" class="LineNr">1138 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1139" class="LineNr">1139 </span> 68/push 2/imm32 -<span id="L1140" class="LineNr">1140 </span> 51/push-ECX -<span id="L1141" class="LineNr">1141 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1142" class="LineNr">1142 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1143" class="LineNr">1143 </span> e8/call <a href='pack.subx.html#L1037'>emit</a>/disp32 -<span id="L1144" class="LineNr">1144 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1145" class="LineNr">1145 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1146" class="LineNr">1146 </span> <span class="subxComment"># flush(_test-buffered-file)</span> -<span id="L1147" class="LineNr">1147 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1148" class="LineNr">1148 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1149" class="LineNr">1149 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1150" class="LineNr">1150 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L1151" class="LineNr">1151 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1152" class="LineNr">1152 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1153" class="LineNr">1153 </span> <span class="subxComment"># check(_test-stream->data == 'fe ff ')</span> -<span id="L1154" class="LineNr">1154 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[0..3], 'fe f', msg)</span> -<span id="L1155" class="LineNr">1155 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1156" class="LineNr">1156 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1112'>test-emit-number</a>/1"</span>/imm32 -<span id="L1157" class="LineNr">1157 </span> 68/push 0x66206566/imm32 -<span id="L1158" class="LineNr">1158 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L1159" class="LineNr">1159 </span> b8/copy-to-EAX <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1160" class="LineNr">1160 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L1161" class="LineNr">1161 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1162" class="LineNr">1162 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1163" class="LineNr">1163 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1164" class="LineNr">1164 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1165" class="LineNr">1165 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[4..7], 'f ', msg)</span> -<span id="L1166" class="LineNr">1166 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1167" class="LineNr">1167 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1112'>test-emit-number</a>/2"</span>/imm32 -<span id="L1168" class="LineNr">1168 </span> 68/push 0x2066/imm32 -<span id="L1169" class="LineNr">1169 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L1170" class="LineNr">1170 </span> b8/copy-to-EAX <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1171" class="LineNr">1171 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+16)</span> -<span id="L1172" class="LineNr">1172 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1173" class="LineNr">1173 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1174" class="LineNr">1174 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1175" class="LineNr">1175 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1176" class="LineNr">1176 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L1177" class="LineNr">1177 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L1178" class="LineNr">1178 </span> 5d/pop-to-EBP -<span id="L1179" class="LineNr">1179 </span> c3/return -<span id="L1180" class="LineNr">1180 </span> -<span id="L1181" class="LineNr">1181 </span><span class="subxTest">test-emit-number-with-metadata</span>: -<span id="L1182" class="LineNr">1182 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L1183" class="LineNr">1183 </span> 55/push-EBP -<span id="L1184" class="LineNr">1184 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L1185" class="LineNr">1185 </span> <span class="subxComment"># setup</span> -<span id="L1186" class="LineNr">1186 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L1187" class="LineNr">1187 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1188" class="LineNr">1188 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1189" class="LineNr">1189 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1190" class="LineNr">1190 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1191" class="LineNr">1191 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1192" class="LineNr">1192 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1193" class="LineNr">1193 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L1194" class="LineNr">1194 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1195" class="LineNr">1195 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1196" class="LineNr">1196 </span> 05/add-to-EAX 4/imm32 -<span id="L1197" class="LineNr">1197 </span> 50/push-EAX -<span id="L1198" class="LineNr">1198 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1199" class="LineNr">1199 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1200" class="LineNr">1200 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1201" class="LineNr">1201 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1202" class="LineNr">1202 </span> <span class="subxComment"># var slice/ECX = "-2/foo"</span> -<span id="L1203" class="LineNr">1203 </span> 68/push <a href='pack.subx.html#L1657'>_test-slice-negative-two-metadata-end</a>/imm32/end -<span id="L1204" class="LineNr">1204 </span> 68/push <a href='pack.subx.html#L1653'>_test-slice-negative-two</a>/imm32/start -<span id="L1205" class="LineNr">1205 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L1206" class="LineNr">1206 </span> <span class="subxComment"># emit(_test-buffered-file, slice, 2)</span> -<span id="L1207" class="LineNr">1207 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1208" class="LineNr">1208 </span> 68/push 2/imm32 -<span id="L1209" class="LineNr">1209 </span> 51/push-ECX -<span id="L1210" class="LineNr">1210 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1211" class="LineNr">1211 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1212" class="LineNr">1212 </span> e8/call <a href='pack.subx.html#L1037'>emit</a>/disp32 -<span id="L1213" class="LineNr">1213 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1214" class="LineNr">1214 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1215" class="LineNr">1215 </span> <span class="subxComment"># flush(_test-buffered-file)</span> -<span id="L1216" class="LineNr">1216 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1217" class="LineNr">1217 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1218" class="LineNr">1218 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1219" class="LineNr">1219 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L1220" class="LineNr">1220 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1221" class="LineNr">1221 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1222" class="LineNr">1222 </span> <span class="subxComment"># the '/foo' will have no impact on the output</span> -<span id="L1223" class="LineNr">1223 </span> <span class="subxComment"># check(_test-stream->data == 'fe ff ')</span> -<span id="L1224" class="LineNr">1224 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[0..3], 'fe f', msg)</span> -<span id="L1225" class="LineNr">1225 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1226" class="LineNr">1226 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1181'>test-emit-number-with-metadata</a>/1"</span>/imm32 -<span id="L1227" class="LineNr">1227 </span> 68/push 0x66206566/imm32 -<span id="L1228" class="LineNr">1228 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L1229" class="LineNr">1229 </span> b8/copy-to-EAX <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1230" class="LineNr">1230 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L1132" class="LineNr">1132 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1133" class="LineNr">1133 </span><span class="Constant">$emit:end</span>: +<span id="L1134" class="LineNr">1134 </span> <span class="subxS1Comment"># . reclaim locals</span> +<span id="L1135" class="LineNr">1135 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1136" class="LineNr">1136 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L1137" class="LineNr">1137 </span> 5f/pop-to-EDI +<span id="L1138" class="LineNr">1138 </span> 5e/pop-to-ESI +<span id="L1139" class="LineNr">1139 </span> 58/pop-to-EAX +<span id="L1140" class="LineNr">1140 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1141" class="LineNr">1141 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L1142" class="LineNr">1142 </span> 5d/pop-to-EBP +<span id="L1143" class="LineNr">1143 </span> c3/return +<span id="L1144" class="LineNr">1144 </span> +<span id="L1145" class="LineNr">1145 </span><span class="subxTest">test-emit-number</span>: +<span id="L1146" class="LineNr">1146 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L1147" class="LineNr">1147 </span> 55/push-EBP +<span id="L1148" class="LineNr">1148 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L1149" class="LineNr">1149 </span> <span class="subxComment"># setup</span> +<span id="L1150" class="LineNr">1150 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1151" class="LineNr">1151 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1152" class="LineNr">1152 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1153" class="LineNr">1153 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1154" class="LineNr">1154 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1155" class="LineNr">1155 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1156" class="LineNr">1156 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1157" class="LineNr">1157 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1158" class="LineNr">1158 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1159" class="LineNr">1159 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1160" class="LineNr">1160 </span> 05/add-to-EAX 4/imm32 +<span id="L1161" class="LineNr">1161 </span> 50/push-EAX +<span id="L1162" class="LineNr">1162 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1163" class="LineNr">1163 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1164" class="LineNr">1164 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1165" class="LineNr">1165 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1166" class="LineNr">1166 </span> <span class="subxComment"># var slice/ECX = "-2"</span> +<span id="L1167" class="LineNr">1167 </span> 68/push <a href='pack.subx.html#L1688'>_test-slice-negative-two-end</a>/imm32/end +<span id="L1168" class="LineNr">1168 </span> 68/push <a href='pack.subx.html#L1686'>_test-slice-negative-two</a>/imm32/start +<span id="L1169" class="LineNr">1169 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L1170" class="LineNr">1170 </span> <span class="subxComment"># emit(_test-buffered-file, slice, 2)</span> +<span id="L1171" class="LineNr">1171 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1172" class="LineNr">1172 </span> 68/push 2/imm32 +<span id="L1173" class="LineNr">1173 </span> 51/push-ECX +<span id="L1174" class="LineNr">1174 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1175" class="LineNr">1175 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1176" class="LineNr">1176 </span> e8/call <a href='pack.subx.html#L1070'>emit</a>/disp32 +<span id="L1177" class="LineNr">1177 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1178" class="LineNr">1178 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1179" class="LineNr">1179 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L1180" class="LineNr">1180 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1181" class="LineNr">1181 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1182" class="LineNr">1182 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1183" class="LineNr">1183 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L1184" class="LineNr">1184 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1185" class="LineNr">1185 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1186" class="LineNr">1186 </span> <span class="subxComment"># check(_test-stream->data == 'fe ff ')</span> +<span id="L1187" class="LineNr">1187 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[0..3], 'fe f', msg)</span> +<span id="L1188" class="LineNr">1188 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1189" class="LineNr">1189 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1145'>test-emit-number</a>/1"</span>/imm32 +<span id="L1190" class="LineNr">1190 </span> 68/push 0x66206566/imm32 +<span id="L1191" class="LineNr">1191 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L1192" class="LineNr">1192 </span> b8/copy-to-EAX <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1193" class="LineNr">1193 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L1194" class="LineNr">1194 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1195" class="LineNr">1195 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1196" class="LineNr">1196 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1197" class="LineNr">1197 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1198" class="LineNr">1198 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[4..7], 'f ', msg)</span> +<span id="L1199" class="LineNr">1199 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1200" class="LineNr">1200 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1145'>test-emit-number</a>/2"</span>/imm32 +<span id="L1201" class="LineNr">1201 </span> 68/push 0x2066/imm32 +<span id="L1202" class="LineNr">1202 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L1203" class="LineNr">1203 </span> b8/copy-to-EAX <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1204" class="LineNr">1204 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+16)</span> +<span id="L1205" class="LineNr">1205 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1206" class="LineNr">1206 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1207" class="LineNr">1207 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1208" class="LineNr">1208 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1209" class="LineNr">1209 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1210" class="LineNr">1210 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L1211" class="LineNr">1211 </span> 5d/pop-to-EBP +<span id="L1212" class="LineNr">1212 </span> c3/return +<span id="L1213" class="LineNr">1213 </span> +<span id="L1214" class="LineNr">1214 </span><span class="subxTest">test-emit-number-with-metadata</span>: +<span id="L1215" class="LineNr">1215 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L1216" class="LineNr">1216 </span> 55/push-EBP +<span id="L1217" class="LineNr">1217 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L1218" class="LineNr">1218 </span> <span class="subxComment"># setup</span> +<span id="L1219" class="LineNr">1219 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1220" class="LineNr">1220 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1221" class="LineNr">1221 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1222" class="LineNr">1222 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1223" class="LineNr">1223 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1224" class="LineNr">1224 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1225" class="LineNr">1225 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1226" class="LineNr">1226 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1227" class="LineNr">1227 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1228" class="LineNr">1228 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1229" class="LineNr">1229 </span> 05/add-to-EAX 4/imm32 +<span id="L1230" class="LineNr">1230 </span> 50/push-EAX <span id="L1231" class="LineNr">1231 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1232" class="LineNr">1232 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1232" class="LineNr">1232 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 <span id="L1233" class="LineNr">1233 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1234" class="LineNr">1234 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1235" class="LineNr">1235 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[4..7], 'f ', msg)</span> -<span id="L1236" class="LineNr">1236 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1237" class="LineNr">1237 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1181'>test-emit-number-with-metadata</a>/2"</span>/imm32 -<span id="L1238" class="LineNr">1238 </span> 68/push 0x2066/imm32 -<span id="L1239" class="LineNr">1239 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L1240" class="LineNr">1240 </span> b8/copy-to-EAX <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1241" class="LineNr">1241 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+16)</span> -<span id="L1242" class="LineNr">1242 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1243" class="LineNr">1243 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1244" class="LineNr">1244 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1245" class="LineNr">1245 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1246" class="LineNr">1246 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L1247" class="LineNr">1247 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L1248" class="LineNr">1248 </span> 5d/pop-to-EBP -<span id="L1249" class="LineNr">1249 </span> c3/return -<span id="L1250" class="LineNr">1250 </span> -<span id="L1251" class="LineNr">1251 </span><span class="subxTest">test-emit-non-number</span>: -<span id="L1252" class="LineNr">1252 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L1253" class="LineNr">1253 </span> 55/push-EBP -<span id="L1254" class="LineNr">1254 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L1255" class="LineNr">1255 </span> <span class="subxComment"># setup</span> -<span id="L1256" class="LineNr">1256 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L1257" class="LineNr">1257 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1258" class="LineNr">1258 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1259" class="LineNr">1259 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1260" class="LineNr">1260 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1261" class="LineNr">1261 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1262" class="LineNr">1262 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1263" class="LineNr">1263 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L1264" class="LineNr">1264 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1265" class="LineNr">1265 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1266" class="LineNr">1266 </span> 05/add-to-EAX 4/imm32 -<span id="L1267" class="LineNr">1267 </span> 50/push-EAX -<span id="L1268" class="LineNr">1268 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1269" class="LineNr">1269 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1270" class="LineNr">1270 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1271" class="LineNr">1271 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1272" class="LineNr">1272 </span> <span class="subxComment"># var slice/ECX = "xyz"</span> -<span id="L1273" class="LineNr">1273 </span> 68/push <a href='pack.subx.html#L1661'>_test-slice-non-number-word-end</a>/imm32/end -<span id="L1274" class="LineNr">1274 </span> 68/push <a href='pack.subx.html#L1659'>_test-slice-non-number-word</a>/imm32/start -<span id="L1275" class="LineNr">1275 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L1276" class="LineNr">1276 </span> <span class="subxComment"># emit(_test-buffered-file, slice, 2)</span> -<span id="L1277" class="LineNr">1277 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1278" class="LineNr">1278 </span> 68/push 2/imm32 -<span id="L1279" class="LineNr">1279 </span> 51/push-ECX -<span id="L1280" class="LineNr">1280 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1281" class="LineNr">1281 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1282" class="LineNr">1282 </span> e8/call <a href='pack.subx.html#L1037'>emit</a>/disp32 -<span id="L1283" class="LineNr">1283 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1284" class="LineNr">1284 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1285" class="LineNr">1285 </span> <span class="subxComment"># flush(_test-buffered-file)</span> -<span id="L1286" class="LineNr">1286 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1287" class="LineNr">1287 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1288" class="LineNr">1288 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1289" class="LineNr">1289 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L1290" class="LineNr">1290 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1291" class="LineNr">1291 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1292" class="LineNr">1292 </span> <span class="subxComment"># check(_test-stream->data == 'xyz')</span> -<span id="L1293" class="LineNr">1293 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[0..3], 'xyz', msg)</span> -<span id="L1294" class="LineNr">1294 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1295" class="LineNr">1295 </span> 68/push <span class="Constant">"F - test-emit-non-number"</span>/imm32 -<span id="L1296" class="LineNr">1296 </span> 68/push 0x7a7978/imm32 -<span id="L1297" class="LineNr">1297 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L1298" class="LineNr">1298 </span> b8/copy-to-EAX <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1299" class="LineNr">1299 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L1300" class="LineNr">1300 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1301" class="LineNr">1301 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1302" class="LineNr">1302 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1303" class="LineNr">1303 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1304" class="LineNr">1304 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L1305" class="LineNr">1305 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L1306" class="LineNr">1306 </span> 5d/pop-to-EBP -<span id="L1307" class="LineNr">1307 </span> c3/return -<span id="L1308" class="LineNr">1308 </span> -<span id="L1309" class="LineNr">1309 </span><span class="subxTest">test-emit-non-number-with-metadata</span>: -<span id="L1310" class="LineNr">1310 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L1311" class="LineNr">1311 </span> 55/push-EBP -<span id="L1312" class="LineNr">1312 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L1313" class="LineNr">1313 </span> <span class="subxComment"># setup</span> -<span id="L1314" class="LineNr">1314 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L1315" class="LineNr">1315 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1316" class="LineNr">1316 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1317" class="LineNr">1317 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1318" class="LineNr">1318 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1319" class="LineNr">1319 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1320" class="LineNr">1320 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1321" class="LineNr">1321 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L1322" class="LineNr">1322 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1323" class="LineNr">1323 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1324" class="LineNr">1324 </span> 05/add-to-EAX 4/imm32 -<span id="L1325" class="LineNr">1325 </span> 50/push-EAX -<span id="L1326" class="LineNr">1326 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1327" class="LineNr">1327 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1328" class="LineNr">1328 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1329" class="LineNr">1329 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1330" class="LineNr">1330 </span> <span class="subxComment"># var slice/ECX = "xyz/"</span> -<span id="L1331" class="LineNr">1331 </span> 68/push <a href='pack.subx.html#L1663'>_test-slice-non-number-word-metadata-end</a>/imm32/end -<span id="L1332" class="LineNr">1332 </span> 68/push <a href='pack.subx.html#L1659'>_test-slice-non-number-word</a>/imm32/start -<span id="L1333" class="LineNr">1333 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> -<span id="L1334" class="LineNr">1334 </span> <span class="subxComment"># emit(_test-buffered-file, slice, 2)</span> -<span id="L1335" class="LineNr">1335 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1336" class="LineNr">1336 </span> 68/push 2/imm32 -<span id="L1337" class="LineNr">1337 </span> 51/push-ECX -<span id="L1338" class="LineNr">1338 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1339" class="LineNr">1339 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1340" class="LineNr">1340 </span> e8/call <a href='pack.subx.html#L1037'>emit</a>/disp32 -<span id="L1341" class="LineNr">1341 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1342" class="LineNr">1342 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1343" class="LineNr">1343 </span> <span class="subxComment"># flush(_test-buffered-file)</span> -<span id="L1344" class="LineNr">1344 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1345" class="LineNr">1345 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1346" class="LineNr">1346 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1347" class="LineNr">1347 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L1348" class="LineNr">1348 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1349" class="LineNr">1349 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1350" class="LineNr">1350 </span> <span class="subxComment"># check(_test-stream->data == 'xyz/')</span> -<span id="L1351" class="LineNr">1351 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[0..3], 'xyz/', msg)</span> -<span id="L1352" class="LineNr">1352 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1353" class="LineNr">1353 </span> 68/push <span class="Constant">"F - test-emit-non-number-with-metadata"</span>/imm32 -<span id="L1354" class="LineNr">1354 </span> 68/push 0x2f7a7978/imm32 -<span id="L1355" class="LineNr">1355 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L1356" class="LineNr">1356 </span> b8/copy-to-EAX <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1357" class="LineNr">1357 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L1358" class="LineNr">1358 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1359" class="LineNr">1359 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1360" class="LineNr">1360 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1361" class="LineNr">1361 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1362" class="LineNr">1362 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L1363" class="LineNr">1363 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L1364" class="LineNr">1364 </span> 5d/pop-to-EBP -<span id="L1365" class="LineNr">1365 </span> c3/return -<span id="L1366" class="LineNr">1366 </span> -<span id="L1367" class="LineNr">1367 </span><span class="subxComment"># print 'n' in hex in 'width' bytes in lower-endian order, with a space after every byte</span> -<span id="L1368" class="LineNr">1368 </span><span class="subxFunction">emit-hex</span>: <span class="subxComment"># out : (address buffered-file), n : int, width : int</span> -<span id="L1369" class="LineNr">1369 </span> <span class="subxS1Comment"># . prolog</span> -<span id="L1370" class="LineNr">1370 </span> 55/push-EBP -<span id="L1371" class="LineNr">1371 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> -<span id="L1372" class="LineNr">1372 </span> <span class="subxS1Comment"># . save registers</span> -<span id="L1373" class="LineNr">1373 </span> 50/push-EAX -<span id="L1374" class="LineNr">1374 </span> 51/push-ECX -<span id="L1375" class="LineNr">1375 </span> 52/push-EDX -<span id="L1376" class="LineNr">1376 </span> 53/push-EBX -<span id="L1377" class="LineNr">1377 </span> 57/push-EDI -<span id="L1378" class="LineNr">1378 </span> <span class="subxComment"># EDI = out</span> -<span id="L1379" class="LineNr">1379 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> -<span id="L1380" class="LineNr">1380 </span> <span class="subxComment"># EBX = n</span> -<span id="L1381" class="LineNr">1381 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EBX</span> -<span id="L1382" class="LineNr">1382 </span> <span class="subxComment"># EDX = width</span> -<span id="L1383" class="LineNr">1383 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDX</span> -<span id="L1384" class="LineNr">1384 </span> <span class="subxComment"># var curr/ECX = 0</span> -<span id="L1385" class="LineNr">1385 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> -<span id="L1386" class="LineNr">1386 </span><span class="Constant">$emit-hex:loop</span>: -<span id="L1387" class="LineNr">1387 </span> <span class="subxComment"># if (curr >= width) break</span> -<span id="L1388" class="LineNr">1388 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX and EDX</span> -<span id="L1389" class="LineNr">1389 </span> 7d/jump-if-greater-or-equal $emit-hex:end/disp8 -<span id="L1390" class="LineNr">1390 </span> <span class="subxComment"># print-byte(out, EBX)</span> -<span id="L1391" class="LineNr">1391 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1392" class="LineNr">1392 </span> 53/push-EBX -<span id="L1393" class="LineNr">1393 </span> 57/push-EDI -<span id="L1394" class="LineNr">1394 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1395" class="LineNr">1395 </span> e8/call <a href='../066print-byte.subx.html#L15'>print-byte</a>/disp32 -<span id="L1396" class="LineNr">1396 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1397" class="LineNr">1397 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1398" class="LineNr">1398 </span> <span class="subxComment"># write-byte(out, ' ')</span> -<span id="L1399" class="LineNr">1399 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1400" class="LineNr">1400 </span> 68/push 0x20/imm32/space -<span id="L1401" class="LineNr">1401 </span> 57/push-EDI -<span id="L1402" class="LineNr">1402 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1403" class="LineNr">1403 </span> e8/call <a href='../064write-byte.subx.html#L38'>write-byte</a>/disp32 -<span id="L1404" class="LineNr">1404 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1405" class="LineNr">1405 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1406" class="LineNr">1406 </span> <span class="subxComment"># EBX = EBX >> 8</span> -<span id="L1407" class="LineNr">1407 </span> c1/shift 5/subop/logic-right 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm8 <span class="subxComment"># shift EBX right by 8 bits, while padding zeroes</span> -<span id="L1408" class="LineNr">1408 </span> <span class="subxComment"># ++curr</span> -<span id="L1409" class="LineNr">1409 </span> 41/increment-ECX -<span id="L1410" class="LineNr">1410 </span> eb/jump $emit-hex:loop/disp8 -<span id="L1411" class="LineNr">1411 </span><span class="Constant">$emit-hex:end</span>: -<span id="L1412" class="LineNr">1412 </span> <span class="subxS1Comment"># . restore registers</span> -<span id="L1413" class="LineNr">1413 </span> 5f/pop-to-EDI -<span id="L1414" class="LineNr">1414 </span> 5b/pop-to-EBX -<span id="L1415" class="LineNr">1415 </span> 5a/pop-to-EAX -<span id="L1416" class="LineNr">1416 </span> 59/pop-to-ECX -<span id="L1417" class="LineNr">1417 </span> 58/pop-to-EAX -<span id="L1418" class="LineNr">1418 </span> <span class="subxS1Comment"># . epilog</span> -<span id="L1419" class="LineNr">1419 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> -<span id="L1420" class="LineNr">1420 </span> 5d/pop-to-EBP -<span id="L1421" class="LineNr">1421 </span> c3/return -<span id="L1422" class="LineNr">1422 </span> -<span id="L1423" class="LineNr">1423 </span><span class="subxTest">test-emit-hex-single-byte</span>: -<span id="L1424" class="LineNr">1424 </span> <span class="subxComment"># setup</span> -<span id="L1425" class="LineNr">1425 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L1426" class="LineNr">1426 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1427" class="LineNr">1427 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1428" class="LineNr">1428 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1429" class="LineNr">1429 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1430" class="LineNr">1430 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1431" class="LineNr">1431 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1432" class="LineNr">1432 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L1433" class="LineNr">1433 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1434" class="LineNr">1434 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1435" class="LineNr">1435 </span> 05/add-to-EAX 4/imm32 -<span id="L1436" class="LineNr">1436 </span> 50/push-EAX -<span id="L1437" class="LineNr">1437 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1438" class="LineNr">1438 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1439" class="LineNr">1439 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1440" class="LineNr">1440 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1441" class="LineNr">1441 </span> <span class="subxComment"># emit-hex(_test-buffered-file, 0xab, 1)</span> -<span id="L1442" class="LineNr">1442 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1443" class="LineNr">1443 </span> 68/push 1/imm32 -<span id="L1444" class="LineNr">1444 </span> 68/push 0xab/imm32 -<span id="L1445" class="LineNr">1445 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1446" class="LineNr">1446 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1447" class="LineNr">1447 </span> e8/call <a href='pack.subx.html#L1368'>emit-hex</a>/disp32 -<span id="L1448" class="LineNr">1448 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1449" class="LineNr">1449 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1450" class="LineNr">1450 </span> <span class="subxComment"># flush(_test-buffered-file)</span> -<span id="L1451" class="LineNr">1451 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1452" class="LineNr">1452 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1453" class="LineNr">1453 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1454" class="LineNr">1454 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L1455" class="LineNr">1455 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1456" class="LineNr">1456 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1457" class="LineNr">1457 </span> <span class="subxComment"># check-ints-equal(*_test-stream->data, 'ab ', msg)</span> -<span id="L1458" class="LineNr">1458 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1459" class="LineNr">1459 </span> 68/push <span class="Constant">"F - test-emit-hex-single-byte"</span>/imm32 -<span id="L1460" class="LineNr">1460 </span> 68/push 0x206261/imm32 -<span id="L1461" class="LineNr">1461 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L1462" class="LineNr">1462 </span> b8/copy-to-EAX <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1463" class="LineNr">1463 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L1464" class="LineNr">1464 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1465" class="LineNr">1465 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1466" class="LineNr">1466 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1467" class="LineNr">1467 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1468" class="LineNr">1468 </span> <span class="subxS1Comment"># . end</span> -<span id="L1469" class="LineNr">1469 </span> c3/return -<span id="L1470" class="LineNr">1470 </span> -<span id="L1471" class="LineNr">1471 </span><span class="subxTest">test-emit-hex-multiple-byte</span>: -<span id="L1472" class="LineNr">1472 </span> <span class="subxComment"># setup</span> -<span id="L1473" class="LineNr">1473 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L1474" class="LineNr">1474 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1475" class="LineNr">1475 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1476" class="LineNr">1476 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1477" class="LineNr">1477 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1478" class="LineNr">1478 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1479" class="LineNr">1479 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1480" class="LineNr">1480 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L1481" class="LineNr">1481 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1482" class="LineNr">1482 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1483" class="LineNr">1483 </span> 05/add-to-EAX 4/imm32 -<span id="L1484" class="LineNr">1484 </span> 50/push-EAX -<span id="L1485" class="LineNr">1485 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1486" class="LineNr">1486 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1487" class="LineNr">1487 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1488" class="LineNr">1488 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1489" class="LineNr">1489 </span> <span class="subxComment"># emit-hex(_test-buffered-file, 0x1234, 2)</span> -<span id="L1490" class="LineNr">1490 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1491" class="LineNr">1491 </span> 68/push 2/imm32 -<span id="L1492" class="LineNr">1492 </span> 68/push 0x1234/imm32 -<span id="L1493" class="LineNr">1493 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1494" class="LineNr">1494 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1495" class="LineNr">1495 </span> e8/call <a href='pack.subx.html#L1368'>emit-hex</a>/disp32 -<span id="L1496" class="LineNr">1496 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1497" class="LineNr">1497 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1498" class="LineNr">1498 </span> <span class="subxComment"># flush(_test-buffered-file)</span> -<span id="L1499" class="LineNr">1499 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1500" class="LineNr">1500 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1501" class="LineNr">1501 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1502" class="LineNr">1502 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L1503" class="LineNr">1503 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1504" class="LineNr">1504 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1505" class="LineNr">1505 </span> <span class="subxComment"># check(_test-stream->data == '34 12 ')</span> -<span id="L1506" class="LineNr">1506 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[0..3], '34 1', msg)</span> +<span id="L1234" class="LineNr">1234 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1235" class="LineNr">1235 </span> <span class="subxComment"># var slice/ECX = "-2/foo"</span> +<span id="L1236" class="LineNr">1236 </span> 68/push <a href='pack.subx.html#L1690'>_test-slice-negative-two-metadata-end</a>/imm32/end +<span id="L1237" class="LineNr">1237 </span> 68/push <a href='pack.subx.html#L1686'>_test-slice-negative-two</a>/imm32/start +<span id="L1238" class="LineNr">1238 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L1239" class="LineNr">1239 </span> <span class="subxComment"># emit(_test-buffered-file, slice, 2)</span> +<span id="L1240" class="LineNr">1240 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1241" class="LineNr">1241 </span> 68/push 2/imm32 +<span id="L1242" class="LineNr">1242 </span> 51/push-ECX +<span id="L1243" class="LineNr">1243 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1244" class="LineNr">1244 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1245" class="LineNr">1245 </span> e8/call <a href='pack.subx.html#L1070'>emit</a>/disp32 +<span id="L1246" class="LineNr">1246 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1247" class="LineNr">1247 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1248" class="LineNr">1248 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L1249" class="LineNr">1249 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1250" class="LineNr">1250 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1251" class="LineNr">1251 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1252" class="LineNr">1252 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L1253" class="LineNr">1253 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1254" class="LineNr">1254 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1255" class="LineNr">1255 </span> <span class="subxComment"># the '/foo' will have no impact on the output</span> +<span id="L1256" class="LineNr">1256 </span> <span class="subxComment"># check(_test-stream->data == 'fe ff ')</span> +<span id="L1257" class="LineNr">1257 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[0..3], 'fe f', msg)</span> +<span id="L1258" class="LineNr">1258 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1259" class="LineNr">1259 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1214'>test-emit-number-with-metadata</a>/1"</span>/imm32 +<span id="L1260" class="LineNr">1260 </span> 68/push 0x66206566/imm32 +<span id="L1261" class="LineNr">1261 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L1262" class="LineNr">1262 </span> b8/copy-to-EAX <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1263" class="LineNr">1263 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L1264" class="LineNr">1264 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1265" class="LineNr">1265 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1266" class="LineNr">1266 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1267" class="LineNr">1267 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1268" class="LineNr">1268 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[4..7], 'f ', msg)</span> +<span id="L1269" class="LineNr">1269 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1270" class="LineNr">1270 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1214'>test-emit-number-with-metadata</a>/2"</span>/imm32 +<span id="L1271" class="LineNr">1271 </span> 68/push 0x2066/imm32 +<span id="L1272" class="LineNr">1272 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L1273" class="LineNr">1273 </span> b8/copy-to-EAX <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1274" class="LineNr">1274 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+16)</span> +<span id="L1275" class="LineNr">1275 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1276" class="LineNr">1276 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1277" class="LineNr">1277 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1278" class="LineNr">1278 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1279" class="LineNr">1279 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1280" class="LineNr">1280 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L1281" class="LineNr">1281 </span> 5d/pop-to-EBP +<span id="L1282" class="LineNr">1282 </span> c3/return +<span id="L1283" class="LineNr">1283 </span> +<span id="L1284" class="LineNr">1284 </span><span class="subxTest">test-emit-non-number</span>: +<span id="L1285" class="LineNr">1285 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L1286" class="LineNr">1286 </span> 55/push-EBP +<span id="L1287" class="LineNr">1287 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L1288" class="LineNr">1288 </span> <span class="subxComment"># setup</span> +<span id="L1289" class="LineNr">1289 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1290" class="LineNr">1290 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1291" class="LineNr">1291 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1292" class="LineNr">1292 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1293" class="LineNr">1293 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1294" class="LineNr">1294 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1295" class="LineNr">1295 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1296" class="LineNr">1296 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1297" class="LineNr">1297 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1298" class="LineNr">1298 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1299" class="LineNr">1299 </span> 05/add-to-EAX 4/imm32 +<span id="L1300" class="LineNr">1300 </span> 50/push-EAX +<span id="L1301" class="LineNr">1301 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1302" class="LineNr">1302 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1303" class="LineNr">1303 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1304" class="LineNr">1304 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1305" class="LineNr">1305 </span> <span class="subxComment"># var slice/ECX = "xyz"</span> +<span id="L1306" class="LineNr">1306 </span> 68/push <a href='pack.subx.html#L1694'>_test-slice-non-number-word-end</a>/imm32/end +<span id="L1307" class="LineNr">1307 </span> 68/push <a href='pack.subx.html#L1692'>_test-slice-non-number-word</a>/imm32/start +<span id="L1308" class="LineNr">1308 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L1309" class="LineNr">1309 </span> <span class="subxComment"># emit(_test-buffered-file, slice, 2)</span> +<span id="L1310" class="LineNr">1310 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1311" class="LineNr">1311 </span> 68/push 2/imm32 +<span id="L1312" class="LineNr">1312 </span> 51/push-ECX +<span id="L1313" class="LineNr">1313 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1314" class="LineNr">1314 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1315" class="LineNr">1315 </span> e8/call <a href='pack.subx.html#L1070'>emit</a>/disp32 +<span id="L1316" class="LineNr">1316 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1317" class="LineNr">1317 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1318" class="LineNr">1318 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L1319" class="LineNr">1319 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1320" class="LineNr">1320 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1321" class="LineNr">1321 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1322" class="LineNr">1322 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L1323" class="LineNr">1323 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1324" class="LineNr">1324 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1325" class="LineNr">1325 </span> <span class="subxComment"># check(_test-stream->data == 'xyz')</span> +<span id="L1326" class="LineNr">1326 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[0..3], 'xyz', msg)</span> +<span id="L1327" class="LineNr">1327 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1328" class="LineNr">1328 </span> 68/push <span class="Constant">"F - test-emit-non-number"</span>/imm32 +<span id="L1329" class="LineNr">1329 </span> 68/push 0x7a7978/imm32 +<span id="L1330" class="LineNr">1330 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L1331" class="LineNr">1331 </span> b8/copy-to-EAX <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1332" class="LineNr">1332 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L1333" class="LineNr">1333 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1334" class="LineNr">1334 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1335" class="LineNr">1335 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1336" class="LineNr">1336 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1337" class="LineNr">1337 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1338" class="LineNr">1338 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L1339" class="LineNr">1339 </span> 5d/pop-to-EBP +<span id="L1340" class="LineNr">1340 </span> c3/return +<span id="L1341" class="LineNr">1341 </span> +<span id="L1342" class="LineNr">1342 </span><span class="subxTest">test-emit-non-number-with-metadata</span>: +<span id="L1343" class="LineNr">1343 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L1344" class="LineNr">1344 </span> 55/push-EBP +<span id="L1345" class="LineNr">1345 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L1346" class="LineNr">1346 </span> <span class="subxComment"># setup</span> +<span id="L1347" class="LineNr">1347 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1348" class="LineNr">1348 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1349" class="LineNr">1349 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1350" class="LineNr">1350 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1351" class="LineNr">1351 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1352" class="LineNr">1352 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1353" class="LineNr">1353 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1354" class="LineNr">1354 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1355" class="LineNr">1355 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1356" class="LineNr">1356 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1357" class="LineNr">1357 </span> 05/add-to-EAX 4/imm32 +<span id="L1358" class="LineNr">1358 </span> 50/push-EAX +<span id="L1359" class="LineNr">1359 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1360" class="LineNr">1360 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1361" class="LineNr">1361 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1362" class="LineNr">1362 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1363" class="LineNr">1363 </span> <span class="subxComment"># var slice/ECX = "xyz/"</span> +<span id="L1364" class="LineNr">1364 </span> 68/push <a href='pack.subx.html#L1696'>_test-slice-non-number-word-metadata-end</a>/imm32/end +<span id="L1365" class="LineNr">1365 </span> 68/push <a href='pack.subx.html#L1692'>_test-slice-non-number-word</a>/imm32/start +<span id="L1366" class="LineNr">1366 </span> 89/copy 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to ECX</span> +<span id="L1367" class="LineNr">1367 </span> <span class="subxComment"># emit(_test-buffered-file, slice, 2)</span> +<span id="L1368" class="LineNr">1368 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1369" class="LineNr">1369 </span> 68/push 2/imm32 +<span id="L1370" class="LineNr">1370 </span> 51/push-ECX +<span id="L1371" class="LineNr">1371 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1372" class="LineNr">1372 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1373" class="LineNr">1373 </span> e8/call <a href='pack.subx.html#L1070'>emit</a>/disp32 +<span id="L1374" class="LineNr">1374 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1375" class="LineNr">1375 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1376" class="LineNr">1376 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L1377" class="LineNr">1377 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1378" class="LineNr">1378 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1379" class="LineNr">1379 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1380" class="LineNr">1380 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L1381" class="LineNr">1381 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1382" class="LineNr">1382 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1383" class="LineNr">1383 </span> <span class="subxComment"># check(_test-stream->data == 'xyz/')</span> +<span id="L1384" class="LineNr">1384 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[0..3], 'xyz/', msg)</span> +<span id="L1385" class="LineNr">1385 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1386" class="LineNr">1386 </span> 68/push <span class="Constant">"F - test-emit-non-number-with-metadata"</span>/imm32 +<span id="L1387" class="LineNr">1387 </span> 68/push 0x2f7a7978/imm32 +<span id="L1388" class="LineNr">1388 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L1389" class="LineNr">1389 </span> b8/copy-to-EAX <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1390" class="LineNr">1390 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L1391" class="LineNr">1391 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1392" class="LineNr">1392 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1393" class="LineNr">1393 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1394" class="LineNr">1394 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1395" class="LineNr">1395 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1396" class="LineNr">1396 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L1397" class="LineNr">1397 </span> 5d/pop-to-EBP +<span id="L1398" class="LineNr">1398 </span> c3/return +<span id="L1399" class="LineNr">1399 </span> +<span id="L1400" class="LineNr">1400 </span><span class="subxComment"># print 'n' in hex in 'width' bytes in lower-endian order, with a space after every byte</span> +<span id="L1401" class="LineNr">1401 </span><span class="subxFunction">emit-hex</span>: <span class="subxComment"># out : (address buffered-file), n : int, width : int</span> +<span id="L1402" class="LineNr">1402 </span> <span class="subxS1Comment"># . prolog</span> +<span id="L1403" class="LineNr">1403 </span> 55/push-EBP +<span id="L1404" class="LineNr">1404 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ESP to EBP</span> +<span id="L1405" class="LineNr">1405 </span> <span class="subxS1Comment"># . save registers</span> +<span id="L1406" class="LineNr">1406 </span> 50/push-EAX +<span id="L1407" class="LineNr">1407 </span> 51/push-ECX +<span id="L1408" class="LineNr">1408 </span> 52/push-EDX +<span id="L1409" class="LineNr">1409 </span> 53/push-EBX +<span id="L1410" class="LineNr">1410 </span> 57/push-EDI +<span id="L1411" class="LineNr">1411 </span> <span class="subxComment"># EDI = out</span> +<span id="L1412" class="LineNr">1412 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/EDI 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+8) to EDI</span> +<span id="L1413" class="LineNr">1413 </span> <span class="subxComment"># EBX = n</span> +<span id="L1414" class="LineNr">1414 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/EBX 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+12) to EBX</span> +<span id="L1415" class="LineNr">1415 </span> <span class="subxComment"># EDX = width</span> +<span id="L1416" class="LineNr">1416 </span> 8b/copy 1/mod/*+disp8 5/rm32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(EBP+16) to EDX</span> +<span id="L1417" class="LineNr">1417 </span> <span class="subxComment"># var curr/ECX = 0</span> +<span id="L1418" class="LineNr">1418 </span> 31/xor 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ECX</span> +<span id="L1419" class="LineNr">1419 </span><span class="Constant">$emit-hex:loop</span>: +<span id="L1420" class="LineNr">1420 </span> <span class="subxComment"># if (curr >= width) break</span> +<span id="L1421" class="LineNr">1421 </span> 39/compare 3/mod/direct 1/rm32/ECX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/EDX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ECX and EDX</span> +<span id="L1422" class="LineNr">1422 </span> 7d/jump-if-greater-or-equal $emit-hex:end/disp8 +<span id="L1423" class="LineNr">1423 </span> <span class="subxComment"># print-byte(out, EBX)</span> +<span id="L1424" class="LineNr">1424 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1425" class="LineNr">1425 </span> 53/push-EBX +<span id="L1426" class="LineNr">1426 </span> 57/push-EDI +<span id="L1427" class="LineNr">1427 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1428" class="LineNr">1428 </span> e8/call <a href='../066print-byte.subx.html#L8'>print-byte</a>/disp32 +<span id="L1429" class="LineNr">1429 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1430" class="LineNr">1430 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1431" class="LineNr">1431 </span> <span class="subxComment"># write-byte(out, ' ')</span> +<span id="L1432" class="LineNr">1432 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1433" class="LineNr">1433 </span> 68/push 0x20/imm32/space +<span id="L1434" class="LineNr">1434 </span> 57/push-EDI +<span id="L1435" class="LineNr">1435 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1436" class="LineNr">1436 </span> e8/call <a href='../064write-byte.subx.html#L31'>write-byte</a>/disp32 +<span id="L1437" class="LineNr">1437 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1438" class="LineNr">1438 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1439" class="LineNr">1439 </span> <span class="subxComment"># EBX = EBX >> 8</span> +<span id="L1440" class="LineNr">1440 </span> c1/shift 5/subop/logic-right 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm8 <span class="subxComment"># shift EBX right by 8 bits, while padding zeroes</span> +<span id="L1441" class="LineNr">1441 </span> <span class="subxComment"># ++curr</span> +<span id="L1442" class="LineNr">1442 </span> 41/increment-ECX +<span id="L1443" class="LineNr">1443 </span> eb/jump $emit-hex:loop/disp8 +<span id="L1444" class="LineNr">1444 </span><span class="Constant">$emit-hex:end</span>: +<span id="L1445" class="LineNr">1445 </span> <span class="subxS1Comment"># . restore registers</span> +<span id="L1446" class="LineNr">1446 </span> 5f/pop-to-EDI +<span id="L1447" class="LineNr">1447 </span> 5b/pop-to-EBX +<span id="L1448" class="LineNr">1448 </span> 5a/pop-to-EAX +<span id="L1449" class="LineNr">1449 </span> 59/pop-to-ECX +<span id="L1450" class="LineNr">1450 </span> 58/pop-to-EAX +<span id="L1451" class="LineNr">1451 </span> <span class="subxS1Comment"># . epilog</span> +<span id="L1452" class="LineNr">1452 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/EBP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EBP to ESP</span> +<span id="L1453" class="LineNr">1453 </span> 5d/pop-to-EBP +<span id="L1454" class="LineNr">1454 </span> c3/return +<span id="L1455" class="LineNr">1455 </span> +<span id="L1456" class="LineNr">1456 </span><span class="subxTest">test-emit-hex-single-byte</span>: +<span id="L1457" class="LineNr">1457 </span> <span class="subxComment"># setup</span> +<span id="L1458" class="LineNr">1458 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> +<span id="L1459" class="LineNr">1459 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1460" class="LineNr">1460 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1461" class="LineNr">1461 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1462" class="LineNr">1462 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1463" class="LineNr">1463 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1464" class="LineNr">1464 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1465" class="LineNr">1465 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1466" class="LineNr">1466 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1467" class="LineNr">1467 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1468" class="LineNr">1468 </span> 05/add-to-EAX 4/imm32 +<span id="L1469" class="LineNr">1469 </span> 50/push-EAX +<span id="L1470" class="LineNr">1470 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1471" class="LineNr">1471 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1472" class="LineNr">1472 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1473" class="LineNr">1473 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1474" class="LineNr">1474 </span> <span class="subxComment"># emit-hex(_test-buffered-file, 0xab, 1)</span> +<span id="L1475" class="LineNr">1475 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1476" class="LineNr">1476 </span> 68/push 1/imm32 +<span id="L1477" class="LineNr">1477 </span> 68/push 0xab/imm32 +<span id="L1478" class="LineNr">1478 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1479" class="LineNr">1479 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1480" class="LineNr">1480 </span> e8/call <a href='pack.subx.html#L1401'>emit-hex</a>/disp32 +<span id="L1481" class="LineNr">1481 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1482" class="LineNr">1482 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1483" class="LineNr">1483 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L1484" class="LineNr">1484 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1485" class="LineNr">1485 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1486" class="LineNr">1486 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1487" class="LineNr">1487 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L1488" class="LineNr">1488 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1489" class="LineNr">1489 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1490" class="LineNr">1490 </span> <span class="subxComment"># check-ints-equal(*_test-stream->data, 'ab ', msg)</span> +<span id="L1491" class="LineNr">1491 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1492" class="LineNr">1492 </span> 68/push <span class="Constant">"F - test-emit-hex-single-byte"</span>/imm32 +<span id="L1493" class="LineNr">1493 </span> 68/push 0x206261/imm32 +<span id="L1494" class="LineNr">1494 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L1495" class="LineNr">1495 </span> b8/copy-to-EAX <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1496" class="LineNr">1496 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L1497" class="LineNr">1497 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1498" class="LineNr">1498 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1499" class="LineNr">1499 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1500" class="LineNr">1500 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1501" class="LineNr">1501 </span> <span class="subxS1Comment"># . end</span> +<span id="L1502" class="LineNr">1502 </span> c3/return +<span id="L1503" class="LineNr">1503 </span> +<span id="L1504" class="LineNr">1504 </span><span class="subxTest">test-emit-hex-multiple-byte</span>: +<span id="L1505" class="LineNr">1505 </span> <span class="subxComment"># setup</span> +<span id="L1506" class="LineNr">1506 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> <span id="L1507" class="LineNr">1507 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1508" class="LineNr">1508 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1471'>test-emit-hex-multiple-byte</a>/1"</span>/imm32 -<span id="L1509" class="LineNr">1509 </span> 68/push 0x31203433/imm32 -<span id="L1510" class="LineNr">1510 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L1511" class="LineNr">1511 </span> b8/copy-to-EAX <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1512" class="LineNr">1512 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L1513" class="LineNr">1513 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1514" class="LineNr">1514 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1515" class="LineNr">1515 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1516" class="LineNr">1516 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1517" class="LineNr">1517 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[4..7], '2 ', msg)</span> -<span id="L1518" class="LineNr">1518 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1519" class="LineNr">1519 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1471'>test-emit-hex-multiple-byte</a>/2"</span>/imm32 -<span id="L1520" class="LineNr">1520 </span> 68/push 0x2032/imm32 -<span id="L1521" class="LineNr">1521 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L1522" class="LineNr">1522 </span> b8/copy-to-EAX <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1523" class="LineNr">1523 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+16)</span> -<span id="L1524" class="LineNr">1524 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1525" class="LineNr">1525 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1526" class="LineNr">1526 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1527" class="LineNr">1527 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1528" class="LineNr">1528 </span> <span class="subxS1Comment"># . end</span> -<span id="L1529" class="LineNr">1529 </span> c3/return -<span id="L1530" class="LineNr">1530 </span> -<span id="L1531" class="LineNr">1531 </span><span class="subxTest">test-emit-hex-zero-pad</span>: -<span id="L1532" class="LineNr">1532 </span> <span class="subxComment"># setup</span> -<span id="L1533" class="LineNr">1533 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L1534" class="LineNr">1534 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1535" class="LineNr">1535 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1536" class="LineNr">1536 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1537" class="LineNr">1537 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1538" class="LineNr">1538 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1539" class="LineNr">1539 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1540" class="LineNr">1540 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L1541" class="LineNr">1541 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1542" class="LineNr">1542 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1543" class="LineNr">1543 </span> 05/add-to-EAX 4/imm32 -<span id="L1544" class="LineNr">1544 </span> 50/push-EAX -<span id="L1545" class="LineNr">1545 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1546" class="LineNr">1546 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1547" class="LineNr">1547 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1548" class="LineNr">1548 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1549" class="LineNr">1549 </span> <span class="subxComment"># emit-hex(_test-buffered-file, 0xab, 2)</span> -<span id="L1550" class="LineNr">1550 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1551" class="LineNr">1551 </span> 68/push 2/imm32 -<span id="L1552" class="LineNr">1552 </span> 68/push 0xab/imm32 -<span id="L1553" class="LineNr">1553 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1554" class="LineNr">1554 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1555" class="LineNr">1555 </span> e8/call <a href='pack.subx.html#L1368'>emit-hex</a>/disp32 -<span id="L1556" class="LineNr">1556 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1557" class="LineNr">1557 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1558" class="LineNr">1558 </span> <span class="subxComment"># flush(_test-buffered-file)</span> -<span id="L1559" class="LineNr">1559 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1560" class="LineNr">1560 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1561" class="LineNr">1561 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1562" class="LineNr">1562 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L1563" class="LineNr">1563 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1564" class="LineNr">1564 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1565" class="LineNr">1565 </span> <span class="subxComment"># check(_test-stream->data == '00 ab')</span> -<span id="L1566" class="LineNr">1566 </span> <span class="subxS1Comment"># . check-ints-equal(*_test-stream->data, 'ab 0', msg)</span> +<span id="L1508" class="LineNr">1508 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1509" class="LineNr">1509 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1510" class="LineNr">1510 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1511" class="LineNr">1511 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1512" class="LineNr">1512 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1513" class="LineNr">1513 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1514" class="LineNr">1514 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1515" class="LineNr">1515 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1516" class="LineNr">1516 </span> 05/add-to-EAX 4/imm32 +<span id="L1517" class="LineNr">1517 </span> 50/push-EAX +<span id="L1518" class="LineNr">1518 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1519" class="LineNr">1519 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1520" class="LineNr">1520 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1521" class="LineNr">1521 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1522" class="LineNr">1522 </span> <span class="subxComment"># emit-hex(_test-buffered-file, 0x1234, 2)</span> +<span id="L1523" class="LineNr">1523 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1524" class="LineNr">1524 </span> 68/push 2/imm32 +<span id="L1525" class="LineNr">1525 </span> 68/push 0x1234/imm32 +<span id="L1526" class="LineNr">1526 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1527" class="LineNr">1527 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1528" class="LineNr">1528 </span> e8/call <a href='pack.subx.html#L1401'>emit-hex</a>/disp32 +<span id="L1529" class="LineNr">1529 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1530" class="LineNr">1530 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1531" class="LineNr">1531 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L1532" class="LineNr">1532 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1533" class="LineNr">1533 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1534" class="LineNr">1534 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1535" class="LineNr">1535 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L1536" class="LineNr">1536 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1537" class="LineNr">1537 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1538" class="LineNr">1538 </span> <span class="subxComment"># check(_test-stream->data == '34 12 ')</span> +<span id="L1539" class="LineNr">1539 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[0..3], '34 1', msg)</span> +<span id="L1540" class="LineNr">1540 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1541" class="LineNr">1541 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1504'>test-emit-hex-multiple-byte</a>/1"</span>/imm32 +<span id="L1542" class="LineNr">1542 </span> 68/push 0x31203433/imm32 +<span id="L1543" class="LineNr">1543 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L1544" class="LineNr">1544 </span> b8/copy-to-EAX <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1545" class="LineNr">1545 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L1546" class="LineNr">1546 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1547" class="LineNr">1547 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1548" class="LineNr">1548 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1549" class="LineNr">1549 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1550" class="LineNr">1550 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[4..7], '2 ', msg)</span> +<span id="L1551" class="LineNr">1551 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1552" class="LineNr">1552 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1504'>test-emit-hex-multiple-byte</a>/2"</span>/imm32 +<span id="L1553" class="LineNr">1553 </span> 68/push 0x2032/imm32 +<span id="L1554" class="LineNr">1554 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L1555" class="LineNr">1555 </span> b8/copy-to-EAX <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1556" class="LineNr">1556 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+16)</span> +<span id="L1557" class="LineNr">1557 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1558" class="LineNr">1558 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1559" class="LineNr">1559 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1560" class="LineNr">1560 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1561" class="LineNr">1561 </span> <span class="subxS1Comment"># . end</span> +<span id="L1562" class="LineNr">1562 </span> c3/return +<span id="L1563" class="LineNr">1563 </span> +<span id="L1564" class="LineNr">1564 </span><span class="subxTest">test-emit-hex-zero-pad</span>: +<span id="L1565" class="LineNr">1565 </span> <span class="subxComment"># setup</span> +<span id="L1566" class="LineNr">1566 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> <span id="L1567" class="LineNr">1567 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1568" class="LineNr">1568 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1531'>test-emit-hex-zero-pad</a>/1"</span>/imm32 -<span id="L1569" class="LineNr">1569 </span> 68/push 0x30206261/imm32 -<span id="L1570" class="LineNr">1570 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L1571" class="LineNr">1571 </span> b8/copy-to-EAX <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1572" class="LineNr">1572 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L1573" class="LineNr">1573 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1574" class="LineNr">1574 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1575" class="LineNr">1575 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1576" class="LineNr">1576 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1577" class="LineNr">1577 </span> <span class="subxS1Comment"># . check-ints-equal(*_test-stream->data[1], '0 ', msg)</span> -<span id="L1578" class="LineNr">1578 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1579" class="LineNr">1579 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1531'>test-emit-hex-zero-pad</a>/2"</span>/imm32 -<span id="L1580" class="LineNr">1580 </span> 68/push 0x2030/imm32 -<span id="L1581" class="LineNr">1581 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L1582" class="LineNr">1582 </span> b8/copy-to-EAX <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1583" class="LineNr">1583 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+16)</span> -<span id="L1584" class="LineNr">1584 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1585" class="LineNr">1585 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1586" class="LineNr">1586 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1587" class="LineNr">1587 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1588" class="LineNr">1588 </span> <span class="subxS1Comment"># . end</span> -<span id="L1589" class="LineNr">1589 </span> c3/return -<span id="L1590" class="LineNr">1590 </span> -<span id="L1591" class="LineNr">1591 </span><span class="subxTest">test-emit-hex-negative</span>: -<span id="L1592" class="LineNr">1592 </span> <span class="subxComment"># setup</span> -<span id="L1593" class="LineNr">1593 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> -<span id="L1594" class="LineNr">1594 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1595" class="LineNr">1595 </span> 68/push <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1596" class="LineNr">1596 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1597" class="LineNr">1597 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1598" class="LineNr">1598 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1599" class="LineNr">1599 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1600" class="LineNr">1600 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> -<span id="L1601" class="LineNr">1601 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1602" class="LineNr">1602 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1603" class="LineNr">1603 </span> 05/add-to-EAX 4/imm32 -<span id="L1604" class="LineNr">1604 </span> 50/push-EAX -<span id="L1605" class="LineNr">1605 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1606" class="LineNr">1606 </span> e8/call <a href='../055stream.subx.html#L24'>clear-stream</a>/disp32 -<span id="L1607" class="LineNr">1607 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1608" class="LineNr">1608 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1609" class="LineNr">1609 </span> <span class="subxComment"># emit-hex(_test-buffered-file, -1, 2)</span> -<span id="L1610" class="LineNr">1610 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1611" class="LineNr">1611 </span> 68/push 2/imm32 -<span id="L1612" class="LineNr">1612 </span> 68/push -1/imm32 -<span id="L1613" class="LineNr">1613 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1614" class="LineNr">1614 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1615" class="LineNr">1615 </span> e8/call <a href='pack.subx.html#L1368'>emit-hex</a>/disp32 -<span id="L1616" class="LineNr">1616 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1617" class="LineNr">1617 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1618" class="LineNr">1618 </span> <span class="subxComment"># flush(_test-buffered-file)</span> -<span id="L1619" class="LineNr">1619 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1620" class="LineNr">1620 </span> 68/push <a href='../061read-byte.subx.html#L290'>_test-buffered-file</a>/imm32 -<span id="L1621" class="LineNr">1621 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1622" class="LineNr">1622 </span> e8/call <a href='../064write-byte.subx.html#L86'>flush</a>/disp32 -<span id="L1623" class="LineNr">1623 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1624" class="LineNr">1624 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1625" class="LineNr">1625 </span> <span class="subxComment"># check(_test-stream->data == 'ff ff ')</span> -<span id="L1626" class="LineNr">1626 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[0..3], 'ff f', msg)</span> +<span id="L1568" class="LineNr">1568 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1569" class="LineNr">1569 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1570" class="LineNr">1570 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1571" class="LineNr">1571 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1572" class="LineNr">1572 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1573" class="LineNr">1573 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1574" class="LineNr">1574 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1575" class="LineNr">1575 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1576" class="LineNr">1576 </span> 05/add-to-EAX 4/imm32 +<span id="L1577" class="LineNr">1577 </span> 50/push-EAX +<span id="L1578" class="LineNr">1578 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1579" class="LineNr">1579 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1580" class="LineNr">1580 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1581" class="LineNr">1581 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1582" class="LineNr">1582 </span> <span class="subxComment"># emit-hex(_test-buffered-file, 0xab, 2)</span> +<span id="L1583" class="LineNr">1583 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1584" class="LineNr">1584 </span> 68/push 2/imm32 +<span id="L1585" class="LineNr">1585 </span> 68/push 0xab/imm32 +<span id="L1586" class="LineNr">1586 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1587" class="LineNr">1587 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1588" class="LineNr">1588 </span> e8/call <a href='pack.subx.html#L1401'>emit-hex</a>/disp32 +<span id="L1589" class="LineNr">1589 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1590" class="LineNr">1590 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1591" class="LineNr">1591 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L1592" class="LineNr">1592 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1593" class="LineNr">1593 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1594" class="LineNr">1594 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1595" class="LineNr">1595 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L1596" class="LineNr">1596 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1597" class="LineNr">1597 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1598" class="LineNr">1598 </span> <span class="subxComment"># check(_test-stream->data == '00 ab')</span> +<span id="L1599" class="LineNr">1599 </span> <span class="subxS1Comment"># . check-ints-equal(*_test-stream->data, 'ab 0', msg)</span> +<span id="L1600" class="LineNr">1600 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1601" class="LineNr">1601 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1564'>test-emit-hex-zero-pad</a>/1"</span>/imm32 +<span id="L1602" class="LineNr">1602 </span> 68/push 0x30206261/imm32 +<span id="L1603" class="LineNr">1603 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L1604" class="LineNr">1604 </span> b8/copy-to-EAX <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1605" class="LineNr">1605 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L1606" class="LineNr">1606 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1607" class="LineNr">1607 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1608" class="LineNr">1608 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1609" class="LineNr">1609 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1610" class="LineNr">1610 </span> <span class="subxS1Comment"># . check-ints-equal(*_test-stream->data[1], '0 ', msg)</span> +<span id="L1611" class="LineNr">1611 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1612" class="LineNr">1612 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1564'>test-emit-hex-zero-pad</a>/2"</span>/imm32 +<span id="L1613" class="LineNr">1613 </span> 68/push 0x2030/imm32 +<span id="L1614" class="LineNr">1614 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L1615" class="LineNr">1615 </span> b8/copy-to-EAX <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1616" class="LineNr">1616 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+16)</span> +<span id="L1617" class="LineNr">1617 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1618" class="LineNr">1618 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1619" class="LineNr">1619 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1620" class="LineNr">1620 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1621" class="LineNr">1621 </span> <span class="subxS1Comment"># . end</span> +<span id="L1622" class="LineNr">1622 </span> c3/return +<span id="L1623" class="LineNr">1623 </span> +<span id="L1624" class="LineNr">1624 </span><span class="subxTest">test-emit-hex-negative</span>: +<span id="L1625" class="LineNr">1625 </span> <span class="subxComment"># setup</span> +<span id="L1626" class="LineNr">1626 </span> <span class="subxS1Comment"># . clear-stream(_test-stream)</span> <span id="L1627" class="LineNr">1627 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1628" class="LineNr">1628 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1591'>test-emit-hex-negative</a>/1"</span>/imm32 -<span id="L1629" class="LineNr">1629 </span> 68/push 0x66206666/imm32 -<span id="L1630" class="LineNr">1630 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L1631" class="LineNr">1631 </span> b8/copy-to-EAX <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1632" class="LineNr">1632 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> -<span id="L1633" class="LineNr">1633 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1634" class="LineNr">1634 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1635" class="LineNr">1635 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1636" class="LineNr">1636 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1637" class="LineNr">1637 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[4..7], 'f ', msg)</span> -<span id="L1638" class="LineNr">1638 </span> <span class="subxS2Comment"># . . push args</span> -<span id="L1639" class="LineNr">1639 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1591'>test-emit-hex-negative</a>/2"</span>/imm32 -<span id="L1640" class="LineNr">1640 </span> 68/push 0x2066/imm32 -<span id="L1641" class="LineNr">1641 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> -<span id="L1642" class="LineNr">1642 </span> b8/copy-to-EAX <a href='../057write.subx.html#L155'>_test-stream</a>/imm32 -<span id="L1643" class="LineNr">1643 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+16)</span> -<span id="L1644" class="LineNr">1644 </span> <span class="subxS2Comment"># . . call</span> -<span id="L1645" class="LineNr">1645 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 -<span id="L1646" class="LineNr">1646 </span> <span class="subxS2Comment"># . . discard args</span> -<span id="L1647" class="LineNr">1647 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> -<span id="L1648" class="LineNr">1648 </span> <span class="subxS1Comment"># . end</span> -<span id="L1649" class="LineNr">1649 </span> c3/return -<span id="L1650" class="LineNr">1650 </span> -<span id="L1651" class="LineNr">1651 </span>== data -<span id="L1652" class="LineNr">1652 </span> -<span id="L1653" class="LineNr">1653 </span><span class="subxMinorFunction">_test-slice-negative-two</span>: -<span id="L1654" class="LineNr">1654 </span> 2d/- 32/2 -<span id="L1655" class="LineNr">1655 </span><span class="subxMinorFunction">_test-slice-negative-two-end</span>: -<span id="L1656" class="LineNr">1656 </span> 2f/slash 66/f 6f/o 6f/o -<span id="L1657" class="LineNr">1657 </span><span class="subxMinorFunction">_test-slice-negative-two-metadata-end</span>: -<span id="L1658" class="LineNr">1658 </span> -<span id="L1659" class="LineNr">1659 </span><span class="subxMinorFunction">_test-slice-non-number-word</span>: -<span id="L1660" class="LineNr">1660 </span> 78/x 79/y 7a/z -<span id="L1661" class="LineNr">1661 </span><span class="subxMinorFunction">_test-slice-non-number-word-end</span>: -<span id="L1662" class="LineNr">1662 </span> 2f/slash -<span id="L1663" class="LineNr">1663 </span><span class="subxMinorFunction">_test-slice-non-number-word-metadata-end</span>: -<span id="L1664" class="LineNr">1664 </span> -<span id="L1665" class="LineNr">1665 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L1628" class="LineNr">1628 </span> 68/push <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1629" class="LineNr">1629 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1630" class="LineNr">1630 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1631" class="LineNr">1631 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1632" class="LineNr">1632 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1633" class="LineNr">1633 </span> <span class="subxS1Comment"># . clear-stream(_test-buffered-file+4)</span> +<span id="L1634" class="LineNr">1634 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1635" class="LineNr">1635 </span> b8/copy-to-EAX <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1636" class="LineNr">1636 </span> 05/add-to-EAX 4/imm32 +<span id="L1637" class="LineNr">1637 </span> 50/push-EAX +<span id="L1638" class="LineNr">1638 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1639" class="LineNr">1639 </span> e8/call <a href='../055stream.subx.html#L17'>clear-stream</a>/disp32 +<span id="L1640" class="LineNr">1640 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1641" class="LineNr">1641 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1642" class="LineNr">1642 </span> <span class="subxComment"># emit-hex(_test-buffered-file, -1, 2)</span> +<span id="L1643" class="LineNr">1643 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1644" class="LineNr">1644 </span> 68/push 2/imm32 +<span id="L1645" class="LineNr">1645 </span> 68/push -1/imm32 +<span id="L1646" class="LineNr">1646 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1647" class="LineNr">1647 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1648" class="LineNr">1648 </span> e8/call <a href='pack.subx.html#L1401'>emit-hex</a>/disp32 +<span id="L1649" class="LineNr">1649 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1650" class="LineNr">1650 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1651" class="LineNr">1651 </span> <span class="subxComment"># flush(_test-buffered-file)</span> +<span id="L1652" class="LineNr">1652 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1653" class="LineNr">1653 </span> 68/push <a href='../061read-byte.subx.html#L289'>_test-buffered-file</a>/imm32 +<span id="L1654" class="LineNr">1654 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1655" class="LineNr">1655 </span> e8/call <a href='../064write-byte.subx.html#L79'>flush</a>/disp32 +<span id="L1656" class="LineNr">1656 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1657" class="LineNr">1657 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1658" class="LineNr">1658 </span> <span class="subxComment"># check(_test-stream->data == 'ff ff ')</span> +<span id="L1659" class="LineNr">1659 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[0..3], 'ff f', msg)</span> +<span id="L1660" class="LineNr">1660 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1661" class="LineNr">1661 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1624'>test-emit-hex-negative</a>/1"</span>/imm32 +<span id="L1662" class="LineNr">1662 </span> 68/push 0x66206666/imm32 +<span id="L1663" class="LineNr">1663 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L1664" class="LineNr">1664 </span> b8/copy-to-EAX <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1665" class="LineNr">1665 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+12)</span> +<span id="L1666" class="LineNr">1666 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1667" class="LineNr">1667 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1668" class="LineNr">1668 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1669" class="LineNr">1669 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1670" class="LineNr">1670 </span> <span class="subxS1Comment"># . check-ints-equal(_test-stream->data[4..7], 'f ', msg)</span> +<span id="L1671" class="LineNr">1671 </span> <span class="subxS2Comment"># . . push args</span> +<span id="L1672" class="LineNr">1672 </span> 68/push <span class="Constant">"F - <a href='pack.subx.html#L1624'>test-emit-hex-negative</a>/2"</span>/imm32 +<span id="L1673" class="LineNr">1673 </span> 68/push 0x2066/imm32 +<span id="L1674" class="LineNr">1674 </span> <span class="subxS2Comment"># . . push *_test-stream->data</span> +<span id="L1675" class="LineNr">1675 </span> b8/copy-to-EAX <a href='../057write.subx.html#L148'>_test-stream</a>/imm32 +<span id="L1676" class="LineNr">1676 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(EAX+16)</span> +<span id="L1677" class="LineNr">1677 </span> <span class="subxS2Comment"># . . call</span> +<span id="L1678" class="LineNr">1678 </span> e8/call <a href='../051test.subx.html#L24'>check-ints-equal</a>/disp32 +<span id="L1679" class="LineNr">1679 </span> <span class="subxS2Comment"># . . discard args</span> +<span id="L1680" class="LineNr">1680 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to ESP</span> +<span id="L1681" class="LineNr">1681 </span> <span class="subxS1Comment"># . end</span> +<span id="L1682" class="LineNr">1682 </span> c3/return +<span id="L1683" class="LineNr">1683 </span> +<span id="L1684" class="LineNr">1684 </span>== data +<span id="L1685" class="LineNr">1685 </span> +<span id="L1686" class="LineNr">1686 </span><span class="subxMinorFunction">_test-slice-negative-two</span>: +<span id="L1687" class="LineNr">1687 </span> 2d/- 32/2 +<span id="L1688" class="LineNr">1688 </span><span class="subxMinorFunction">_test-slice-negative-two-end</span>: +<span id="L1689" class="LineNr">1689 </span> 2f/slash 66/f 6f/o 6f/o +<span id="L1690" class="LineNr">1690 </span><span class="subxMinorFunction">_test-slice-negative-two-metadata-end</span>: +<span id="L1691" class="LineNr">1691 </span> +<span id="L1692" class="LineNr">1692 </span><span class="subxMinorFunction">_test-slice-non-number-word</span>: +<span id="L1693" class="LineNr">1693 </span> 78/x 79/y 7a/z +<span id="L1694" class="LineNr">1694 </span><span class="subxMinorFunction">_test-slice-non-number-word-end</span>: +<span id="L1695" class="LineNr">1695 </span> 2f/slash +<span id="L1696" class="LineNr">1696 </span><span class="subxMinorFunction">_test-slice-non-number-word-metadata-end</span>: +<span id="L1697" class="LineNr">1697 </span> +<span id="L1698" class="LineNr">1698 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/examples/ex10.subx.html b/html/subx/examples/ex10.subx.html index 6d48a9c2..1a2ce066 100644 --- a/html/subx/examples/ex10.subx.html +++ b/html/subx/examples/ex10.subx.html @@ -18,6 +18,7 @@ a { color:inherit; } .subxS2Comment { color: #8a8a8a; } .LineNr { } .subxS1Comment { color: #0000af; } +.SpecialChar { color: #d70000; } .subxFunction { color: #af5f00; text-decoration: underline; } .Constant { color: #008787; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } @@ -70,7 +71,7 @@ if ('onhashchange' in window) { <span id="L12" class="LineNr">12 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L13" class="LineNr">13 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L14" class="LineNr">14 </span> -<span id="L15" class="LineNr">15 </span><span class="subxComment"># main: return argv-equal(argv[1], argv[2])</span> +<span id="L15" class="LineNr">15 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># return argv-equal(argv[1], argv[2])</span> <span id="L16" class="LineNr">16 </span><span class="subxComment"># At the start of a SubX program:</span> <span id="L17" class="LineNr">17 </span><span class="subxComment"># argc: *ESP</span> <span id="L18" class="LineNr">18 </span><span class="subxComment"># argv[0]: *(ESP+4)</span> diff --git a/html/subx/examples/ex11.subx.html b/html/subx/examples/ex11.subx.html index 2aa43cf3..26de0fa6 100644 --- a/html/subx/examples/ex11.subx.html +++ b/html/subx/examples/ex11.subx.html @@ -81,7 +81,7 @@ if ('onhashchange' in window) { <span id="L19" class="LineNr"> 19 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L20" class="LineNr"> 20 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L21" class="LineNr"> 21 </span> -<span id="L22" class="LineNr"> 22 </span><span class="subxComment"># main:</span> +<span id="L22" class="LineNr"> 22 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># run all tests</span> <span id="L23" class="LineNr"> 23 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span> <span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># syscall(exit, EAX)</span> <span id="L25" class="LineNr"> 25 </span> 89/copy 3/mod/direct 3/rm32/EBX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/EAX <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy EAX to EBX</span> @@ -405,7 +405,7 @@ if ('onhashchange' in window) { <span id="L343" class="LineNr">343 </span> <span id="L344" class="LineNr">344 </span><span class="SpecialChar">Newline</span>: <span id="L345" class="LineNr">345 </span> <span class="subxComment"># size</span> -<span id="L346" class="LineNr">346 </span> 01 00 00 00 +<span id="L346" class="LineNr">346 </span> 1/imm32 <span id="L347" class="LineNr">347 </span> <span class="subxComment"># data</span> <span id="L348" class="LineNr">348 </span> 0a/newline <span id="L349" class="LineNr">349 </span> diff --git a/html/subx/examples/ex12.subx.html b/html/subx/examples/ex12.subx.html index 88e939cb..02792b12 100644 --- a/html/subx/examples/ex12.subx.html +++ b/html/subx/examples/ex12.subx.html @@ -86,17 +86,17 @@ if ('onhashchange' in window) { <span id="L29" class="LineNr">29 </span><span class="subxComment"># various constants used here were found in the Linux sources (search for file mman-common.h)</span> <span id="L30" class="LineNr">30 </span><span class="SpecialChar">Mmap-new-segment</span>: <span class="subxComment"># type mmap_arg_struct</span> <span id="L31" class="LineNr">31 </span> <span class="subxComment"># addr</span> -<span id="L32" class="LineNr">32 </span> 00 00 00 00 <span class="subxComment"># null</span> +<span id="L32" class="LineNr">32 </span> 0/imm32 <span id="L33" class="LineNr">33 </span> <span class="subxComment"># len</span> -<span id="L34" class="LineNr">34 </span> 00 01 00 00 <span class="subxComment"># 0x1000</span> +<span id="L34" class="LineNr">34 </span> 0x100/imm32 <span id="L35" class="LineNr">35 </span> <span class="subxComment"># protection flags</span> -<span id="L36" class="LineNr">36 </span> 03 00 00 00 <span class="subxComment"># PROT_READ | PROT_WRITE</span> +<span id="L36" class="LineNr">36 </span> 3/imm32 <span class="subxComment"># PROT_READ | PROT_WRITE</span> <span id="L37" class="LineNr">37 </span> <span class="subxComment"># sharing flags</span> -<span id="L38" class="LineNr">38 </span> 22 00 00 00 <span class="subxComment"># MAP_PRIVATE | MAP_ANONYMOUS</span> +<span id="L38" class="LineNr">38 </span> 0x22/imm32 <span class="subxComment"># MAP_PRIVATE | MAP_ANONYMOUS</span> <span id="L39" class="LineNr">39 </span> <span class="subxComment"># fd</span> -<span id="L40" class="LineNr">40 </span> ff ff ff ff <span class="subxComment"># -1 since MAP_ANONYMOUS is specified</span> +<span id="L40" class="LineNr">40 </span> -1/imm32 <span class="subxComment"># since MAP_ANONYMOUS is specified</span> <span id="L41" class="LineNr">41 </span> <span class="subxComment"># offset</span> -<span id="L42" class="LineNr">42 </span> 00 00 00 00 <span class="subxComment"># 0 since MAP_ANONYMOUS is specified</span> +<span id="L42" class="LineNr">42 </span> 0/imm32 <span class="subxComment"># since MAP_ANONYMOUS is specified</span> <span id="L43" class="LineNr">43 </span> <span id="L44" class="LineNr">44 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> diff --git a/html/subx/examples/ex4.subx.html b/html/subx/examples/ex4.subx.html index 98c31507..917e1359 100644 --- a/html/subx/examples/ex4.subx.html +++ b/html/subx/examples/ex4.subx.html @@ -91,7 +91,7 @@ if ('onhashchange' in window) { <span id="L35" class="LineNr">35 </span>== data <span id="L36" class="LineNr">36 </span> <span id="L37" class="LineNr">37 </span><span class="SpecialChar">X</span>: -<span id="L38" class="LineNr">38 </span> 00 00 00 00 <span class="subxComment"># space for read() to write to</span> +<span id="L38" class="LineNr">38 </span> 0/imm32 <span class="subxComment"># space for read() to write to</span> <span id="L39" class="LineNr">39 </span> <span id="L40" class="LineNr">40 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> diff --git a/html/subx/examples/ex5.subx.html b/html/subx/examples/ex5.subx.html index 9dd1a45e..44ba1b76 100644 --- a/html/subx/examples/ex5.subx.html +++ b/html/subx/examples/ex5.subx.html @@ -18,6 +18,7 @@ a { color:inherit; } .subxS2Comment { color: #8a8a8a; } .LineNr { } .subxS1Comment { color: #0000af; } +.SpecialChar { color: #d70000; } .Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; } --> </style> @@ -65,37 +66,38 @@ if ('onhashchange' in window) { <span id="L9" class="LineNr"> 9 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span> <span id="L10" class="LineNr">10 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> <span id="L11" class="LineNr">11 </span> -<span id="L12" class="LineNr">12 </span><span class="subxComment"># main:</span> -<span id="L13" class="LineNr">13 </span> <span class="subxComment"># allocate x on the stack</span> -<span id="L14" class="LineNr">14 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># subtract from ESP</span> -<span id="L15" class="LineNr">15 </span> -<span id="L16" class="LineNr">16 </span> <span class="subxComment"># syscall(read, stdin, x, 1)</span> -<span id="L17" class="LineNr">17 </span> <span class="subxS1Comment"># . fd = 0 (stdin)</span> -<span id="L18" class="LineNr">18 </span> bb/copy-to-EBX 0/imm32 -<span id="L19" class="LineNr">19 </span> <span class="subxS1Comment"># . data = x (location to write result to)</span> -<span id="L20" class="LineNr">20 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESP+4 to ECX</span> -<span id="L21" class="LineNr">21 </span> <span class="subxS1Comment"># . size = 1 character</span> -<span id="L22" class="LineNr">22 </span> ba/copy-to-EDX 1/imm32 -<span id="L23" class="LineNr">23 </span> <span class="subxS1Comment"># . syscall</span> -<span id="L24" class="LineNr">24 </span> b8/copy-to-EAX 3/imm32/read -<span id="L25" class="LineNr">25 </span> cd/syscall 0x80/imm8 -<span id="L26" class="LineNr">26 </span> -<span id="L27" class="LineNr">27 </span> <span class="subxComment"># syscall(write, stdout, x, 1)</span> -<span id="L28" class="LineNr">28 </span> <span class="subxS1Comment"># . fd = 1 (stdout)</span> -<span id="L29" class="LineNr">29 </span> bb/copy-to-EBX 1/imm32 -<span id="L30" class="LineNr">30 </span> <span class="subxS1Comment"># . data = x (location to read from)</span> -<span id="L31" class="LineNr">31 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESP+4 to ECX</span> -<span id="L32" class="LineNr">32 </span> <span class="subxS1Comment"># . size = 1 character</span> -<span id="L33" class="LineNr">33 </span> ba/copy-to-EDX 1/imm32 -<span id="L34" class="LineNr">34 </span> <span class="subxS1Comment"># . syscall</span> -<span id="L35" class="LineNr">35 </span> b8/copy-to-EAX 4/imm32/write -<span id="L36" class="LineNr">36 </span> cd/syscall 0x80/imm8 -<span id="L37" class="LineNr">37 </span> -<span id="L38" class="LineNr">38 </span> <span class="subxComment"># syscall(exit, EBX)</span> -<span id="L39" class="LineNr">39 </span> b8/copy-to-EAX 1/imm32/exit -<span id="L40" class="LineNr">40 </span> cd/syscall 0x80/imm8 -<span id="L41" class="LineNr">41 </span> -<span id="L42" class="LineNr">42 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L12" class="LineNr">12 </span><span class="SpecialChar">Entry</span>: +<span id="L13" class="LineNr">13 </span> +<span id="L14" class="LineNr">14 </span> <span class="subxComment"># allocate x on the stack</span> +<span id="L15" class="LineNr">15 </span> 81 5/subop/subtract 3/mod/direct 4/rm32/ESP <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># subtract from ESP</span> +<span id="L16" class="LineNr">16 </span> +<span id="L17" class="LineNr">17 </span> <span class="subxComment"># syscall(read, stdin, x, 1)</span> +<span id="L18" class="LineNr">18 </span> <span class="subxS1Comment"># . fd = 0 (stdin)</span> +<span id="L19" class="LineNr">19 </span> bb/copy-to-EBX 0/imm32 +<span id="L20" class="LineNr">20 </span> <span class="subxS1Comment"># . data = x (location to write result to)</span> +<span id="L21" class="LineNr">21 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESP+4 to ECX</span> +<span id="L22" class="LineNr">22 </span> <span class="subxS1Comment"># . size = 1 character</span> +<span id="L23" class="LineNr">23 </span> ba/copy-to-EDX 1/imm32 +<span id="L24" class="LineNr">24 </span> <span class="subxS1Comment"># . syscall</span> +<span id="L25" class="LineNr">25 </span> b8/copy-to-EAX 3/imm32/read +<span id="L26" class="LineNr">26 </span> cd/syscall 0x80/imm8 +<span id="L27" class="LineNr">27 </span> +<span id="L28" class="LineNr">28 </span> <span class="subxComment"># syscall(write, stdout, x, 1)</span> +<span id="L29" class="LineNr">29 </span> <span class="subxS1Comment"># . fd = 1 (stdout)</span> +<span id="L30" class="LineNr">30 </span> bb/copy-to-EBX 1/imm32 +<span id="L31" class="LineNr">31 </span> <span class="subxS1Comment"># . data = x (location to read from)</span> +<span id="L32" class="LineNr">32 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 4/base/ESP 4/index/none 1/r32/ECX 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ESP+4 to ECX</span> +<span id="L33" class="LineNr">33 </span> <span class="subxS1Comment"># . size = 1 character</span> +<span id="L34" class="LineNr">34 </span> ba/copy-to-EDX 1/imm32 +<span id="L35" class="LineNr">35 </span> <span class="subxS1Comment"># . syscall</span> +<span id="L36" class="LineNr">36 </span> b8/copy-to-EAX 4/imm32/write +<span id="L37" class="LineNr">37 </span> cd/syscall 0x80/imm8 +<span id="L38" class="LineNr">38 </span> +<span id="L39" class="LineNr">39 </span> <span class="subxComment"># syscall(exit, EBX)</span> +<span id="L40" class="LineNr">40 </span> b8/copy-to-EAX 1/imm32/exit +<span id="L41" class="LineNr">41 </span> cd/syscall 0x80/imm8 +<span id="L42" class="LineNr">42 </span> +<span id="L43" class="LineNr">43 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> diff --git a/html/subx/examples/ex6.subx.html b/html/subx/examples/ex6.subx.html index d2d01bed..dc0f4217 100644 --- a/html/subx/examples/ex6.subx.html +++ b/html/subx/examples/ex6.subx.html @@ -85,7 +85,7 @@ if ('onhashchange' in window) { <span id="L28" class="LineNr">28 </span>== data <span id="L29" class="LineNr">29 </span> <span id="L30" class="LineNr">30 </span><span class="SpecialChar">Size</span>: <span class="subxComment"># size of string</span> -<span id="L31" class="LineNr">31 </span> 0e 00 00 00 <span class="subxComment"># 14</span> +<span id="L31" class="LineNr">31 </span> 0x0e/imm32 <span class="subxComment"># 14</span> <span id="L32" class="LineNr">32 </span><span class="SpecialChar">X</span>: <span class="subxComment"># string to print</span> <span id="L33" class="LineNr">33 </span> 48 65 6c 6c 6f 2c 20 77 6f 72 6c 64 21 0a 00 <span id="L34" class="LineNr">34 </span><span class="subxComment"># H e l l o , ␣ w o r l d ! newline null</span> diff --git a/html/subx/examples/ex7.subx.html b/html/subx/examples/ex7.subx.html index 60cd3ccc..98468078 100644 --- a/html/subx/examples/ex7.subx.html +++ b/html/subx/examples/ex7.subx.html @@ -151,15 +151,16 @@ if ('onhashchange' in window) { <span id="L94" class="LineNr"> 94 </span>== data <span id="L95" class="LineNr"> 95 </span> <span id="L96" class="LineNr"> 96 </span><span class="SpecialChar">Stream</span>: -<span id="L97" class="LineNr"> 97 </span> 00 00 00 00 +<span id="L97" class="LineNr"> 97 </span> 0/imm32 <span id="L98" class="LineNr"> 98 </span><span class="SpecialChar">A</span>: -<span id="L99" class="LineNr"> 99 </span> 61 00 00 00 +<span id="L99" class="LineNr"> 99 </span> 61/imm32/A <span id="L100" class="LineNr">100 </span><span class="SpecialChar">B</span>: -<span id="L101" class="LineNr">101 </span> 00 00 00 00 +<span id="L101" class="LineNr">101 </span> 0/imm32 <span id="L102" class="LineNr">102 </span><span class="SpecialChar">Filename</span>: <span id="L103" class="LineNr">103 </span> 2e 66 6f 6f 00 00 00 00 -<span id="L104" class="LineNr">104 </span> -<span id="L105" class="LineNr">105 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> +<span id="L104" class="LineNr">104 </span><span class="subxComment"># . f o o null</span> +<span id="L105" class="LineNr">105 </span> +<span id="L106" class="LineNr">106 </span><span class="subxS2Comment"># . . vim:nowrap:textwidth=0</span> </pre> </body> </html> |