diff options
| author | Kartik Agaram <vc@akkartik.com> | 2018-11-26 01:19:47 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-11-26 01:19:47 -0800 |
| commit | d1c9392a5461e0d33e226375a8f7986a97d2d66b (patch) | |
| tree | 494c19edbe1d1522344b56ced6aa7c040ad37406 /html/subx/051test.subx.html | |
| parent | 7e00968c99f97e13be8f5269feaf7fd1d33ecd33 (diff) | |
| download | mu-d1c9392a5461e0d33e226375a8f7986a97d2d66b.tar.gz | |
4782
Diffstat (limited to 'html/subx/051test.subx.html')
| -rw-r--r-- | html/subx/051test.subx.html | 165 |
1 files changed, 83 insertions, 82 deletions
diff --git a/html/subx/051test.subx.html b/html/subx/051test.subx.html index 6e616a8a..724ddbdd 100644 --- a/html/subx/051test.subx.html +++ b/html/subx/051test.subx.html @@ -17,6 +17,8 @@ a:hover { text-decoration: underline; } * { font-size: 12pt; font-size: 1em; } .LineNr { color: #444444; } .Delimiter { color: #800080; } +.Constant { color: #00a0a0; } +.Special { color: #c00000; } .Comment { color: #9090ff; } .Comment a { color:#0000ee; text-decoration:underline; } --> @@ -56,89 +58,88 @@ if ('onhashchange' in window) { <span id="L1" class="LineNr"> 1 </span><span class="Comment"># Rudimentary test harness</span> <span id="L2" class="LineNr"> 2 </span> <span id="L3" class="LineNr"> 3 </span>== code -<span id="L4" class="LineNr"> 4 </span> -<span id="L5" class="LineNr"> 5 </span><span class="Comment"># instruction effective address operand displacement immediate</span> -<span id="L6" class="LineNr"> 6 </span><span class="Comment"># op subop mod rm32 base index scale r32</span> -<span id="L7" class="LineNr"> 7 </span><span class="Comment"># 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="Comment"># main: (manual test if this is the last file loaded)</span> -<span id="L10" class="LineNr">10 </span> <span class="Comment"># check-ints-equal(34, 34)</span> -<span id="L11" class="LineNr">11 </span> 68/push "error in check-ints-equal"/imm32 +<span id="L4" class="LineNr"> 4 </span><span class="Comment"># instruction effective address operand displacement immediate</span> +<span id="L5" class="LineNr"> 5 </span><span class="Comment"># op subop mod rm32 base index scale r32</span> +<span id="L6" class="LineNr"> 6 </span><span class="Comment"># 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="Comment"># main: (manual test if this is the last file loaded)</span> +<span id="L9" class="LineNr"> 9 </span> <span class="Comment"># check-ints-equal(34, 34)</span> +<span id="L10" class="LineNr">10 </span> 68/push <span class="Constant">"error in check-ints-equal"</span>/imm32 +<span id="L11" class="LineNr">11 </span> 68/push 34/imm32 <span id="L12" class="LineNr">12 </span> 68/push 34/imm32 -<span id="L13" class="LineNr">13 </span> 68/push 34/imm32 -<span id="L14" class="LineNr">14 </span> e8/call check-ints-equal/disp32 -<span id="L15" class="LineNr">15 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 0xc/imm32 <span class="Comment"># add to ESP</span> -<span id="L16" class="LineNr">16 </span> <span class="Comment"># syscall(exit, 0)</span> -<span id="L17" class="LineNr">17 </span> bb/copy-to-EBX 0/imm32 -<span id="L18" class="LineNr">18 </span> b8/copy-to-EAX 1/imm32 -<span id="L19" class="LineNr">19 </span> cd/syscall 0x80/imm8 -<span id="L20" class="LineNr">20 </span> -<span id="L21" class="LineNr">21 </span><span class="Comment"># print msg to stderr if a != b, otherwise print "."</span> -<span id="L22" class="LineNr">22 </span>check-ints-equal: <span class="Comment"># (a : int, b : int, msg : (address array byte)) -> boolean</span> -<span id="L23" class="LineNr">23 </span> <span class="Comment"># 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="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 4/r32/ESP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Comment"># copy ESP to EBP</span> -<span id="L26" class="LineNr">26 </span> <span class="Comment"># save registers</span> -<span id="L27" class="LineNr">27 </span> 51/push-ECX -<span id="L28" class="LineNr">28 </span> 53/push-EBX -<span id="L29" class="LineNr">29 </span> <span class="Comment"># load first 2 args into EAX and EBX</span> -<span id="L30" class="LineNr">30 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none <span class="Delimiter"> . </span> 0/r32/EAX 0x8/disp8 <span class="Delimiter"> . </span> <span class="Comment"># copy *(EBP+8) to EAX</span> -<span id="L31" class="LineNr">31 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none <span class="Delimiter"> . </span> 3/r32/EBX 0xc/disp8 <span class="Delimiter"> . </span> <span class="Comment"># copy *(EBP+12) to EBX</span> -<span id="L32" class="LineNr">32 </span> <span class="Comment"># if EAX == b/EBX</span> -<span id="L33" class="LineNr">33 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 3/r32/EBX <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Comment"># compare EAX and EBX</span> -<span id="L34" class="LineNr">34 </span> 75/jump-if-unequal $check-ints-equal:else/disp8 -<span id="L35" class="LineNr">35 </span> <span class="Comment"># _write(2/stderr, '.')</span> -<span id="L36" class="LineNr">36 </span> <span class="Comment"># push args</span> -<span id="L37" class="LineNr">37 </span> 68/push "."/imm32 -<span id="L38" class="LineNr">38 </span> 68/push 2/imm32/stderr -<span id="L39" class="LineNr">39 </span> <span class="Comment"># call</span> -<span id="L40" class="LineNr">40 </span> e8/call _write/disp32 -<span id="L41" class="LineNr">41 </span> <span class="Comment"># discard args</span> -<span id="L42" class="LineNr">42 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 8/imm32 <span class="Comment"># add to ESP</span> -<span id="L43" class="LineNr">43 </span> <span class="Comment"># return</span> -<span id="L44" class="LineNr">44 </span> eb/jump $check-ints-equal:end/disp8 -<span id="L45" class="LineNr">45 </span> <span class="Comment"># else:</span> -<span id="L46" class="LineNr">46 </span>$check-ints-equal:else: -<span id="L47" class="LineNr">47 </span> <span class="Comment"># _write(2/stderr, msg)</span> -<span id="L48" class="LineNr">48 </span> <span class="Comment"># push args</span> -<span id="L49" class="LineNr">49 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none <span class="Delimiter"> . </span> 1/r32/ECX 0x10/disp8 <span class="Delimiter"> . </span> <span class="Comment"># copy *(EBP+16) to ECX</span> -<span id="L50" class="LineNr">50 </span> 51/push-ECX -<span id="L51" class="LineNr">51 </span> 68/push 2/imm32/stderr -<span id="L52" class="LineNr">52 </span> <span class="Comment"># call</span> -<span id="L53" class="LineNr">53 </span> e8/call _write/disp32 -<span id="L54" class="LineNr">54 </span> <span class="Comment"># discard args</span> -<span id="L55" class="LineNr">55 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 8/imm32 <span class="Comment"># add to ESP</span> -<span id="L56" class="LineNr">56 </span> <span class="Comment"># _write(2/stderr, Newline)</span> -<span id="L57" class="LineNr">57 </span> <span class="Comment"># push args</span> -<span id="L58" class="LineNr">58 </span> 68/push Newline/imm32 -<span id="L59" class="LineNr">59 </span> 68/push 2/imm32/stderr -<span id="L60" class="LineNr">60 </span> <span class="Comment"># call</span> -<span id="L61" class="LineNr">61 </span> e8/call _write/disp32 -<span id="L62" class="LineNr">62 </span> <span class="Comment"># discard args</span> -<span id="L63" class="LineNr">63 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 8/imm32 <span class="Comment"># add to ESP</span> -<span id="L64" class="LineNr">64 </span> <span class="Comment"># increment Num-test-failures</span> -<span id="L65" class="LineNr">65 </span> ff 0/subop/increment 0/mod/indirect 5/rm32/.disp32 <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> Num-test-failures/disp32 <span class="Comment"># increment *Num-test-failures</span> -<span id="L66" class="LineNr">66 </span>$check-ints-equal:end: -<span id="L67" class="LineNr">67 </span> <span class="Comment"># restore registers</span> -<span id="L68" class="LineNr">68 </span> 5b/pop-to-EBX -<span id="L69" class="LineNr">69 </span> 59/pop-to-ECX -<span id="L70" class="LineNr">70 </span> <span class="Comment"># epilog</span> -<span id="L71" class="LineNr">71 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 5/r32/EBP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Comment"># 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>== data -<span id="L76" class="LineNr">76 </span> -<span id="L77" class="LineNr">77 </span>Newline: -<span id="L78" class="LineNr">78 </span> <span class="Comment"># size</span> -<span id="L79" class="LineNr">79 </span> 01 00 00 00 -<span id="L80" class="LineNr">80 </span> <span class="Comment"># data</span> -<span id="L81" class="LineNr">81 </span> 0a/newline -<span id="L82" class="LineNr">82 </span> -<span id="L83" class="LineNr">83 </span>Num-test-failures: -<span id="L84" class="LineNr">84 </span> 00 00 00 00 -<span id="L85" class="LineNr">85 </span> -<span id="L86" class="LineNr">86 </span><span class="Comment"># vim:nowrap:textwidth=0</span> +<span id="L13" class="LineNr">13 </span> e8/call check-ints-equal/disp32 +<span id="L14" class="LineNr">14 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 0xc/imm32 <span class="Comment"># add to ESP</span> +<span id="L15" class="LineNr">15 </span> <span class="Comment"># syscall(exit, 0)</span> +<span id="L16" class="LineNr">16 </span> bb/copy-to-EBX 0/imm32 +<span id="L17" class="LineNr">17 </span> b8/copy-to-EAX 1/imm32 +<span id="L18" class="LineNr">18 </span> cd/syscall 0x80/imm8 +<span id="L19" class="LineNr">19 </span> +<span id="L20" class="LineNr">20 </span><span class="Comment"># print msg to stderr if a != b, otherwise print "."</span> +<span id="L21" class="LineNr">21 </span>check-ints-equal: <span class="Comment"># (a : int, b : int, msg : (address array byte)) -> boolean</span> +<span id="L22" class="LineNr">22 </span> <span class="Comment"># prolog</span> +<span id="L23" class="LineNr">23 </span> 55/push-EBP +<span id="L24" class="LineNr">24 </span> 89/copy 3/mod/direct 5/rm32/EBP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 4/r32/ESP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Comment"># copy ESP to EBP</span> +<span id="L25" class="LineNr">25 </span> <span class="Comment"># save registers</span> +<span id="L26" class="LineNr">26 </span> 51/push-ECX +<span id="L27" class="LineNr">27 </span> 53/push-EBX +<span id="L28" class="LineNr">28 </span> <span class="Comment"># load first 2 args into EAX and EBX</span> +<span id="L29" class="LineNr">29 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none <span class="Delimiter"> . </span> 0/r32/EAX 0x8/disp8 <span class="Delimiter"> . </span> <span class="Comment"># copy *(EBP+8) to EAX</span> +<span id="L30" class="LineNr">30 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none <span class="Delimiter"> . </span> 3/r32/EBX 0xc/disp8 <span class="Delimiter"> . </span> <span class="Comment"># copy *(EBP+12) to EBX</span> +<span id="L31" class="LineNr">31 </span> <span class="Comment"># if EAX == b/EBX</span> +<span id="L32" class="LineNr">32 </span> 39/compare 3/mod/direct 0/rm32/EAX <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 3/r32/EBX <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Comment"># compare EAX and EBX</span> +<span id="L33" class="LineNr">33 </span> 75/jump-if-unequal $check-ints-equal:else/disp8 +<span id="L34" class="LineNr">34 </span> <span class="Comment"># _write(2/stderr, '.')</span> +<span id="L35" class="LineNr">35 </span> <span class="Comment"># push args</span> +<span id="L36" class="LineNr">36 </span> 68/push <span class="Constant">"."</span>/imm32 +<span id="L37" class="LineNr">37 </span> 68/push 2/imm32/stderr +<span id="L38" class="LineNr">38 </span> <span class="Comment"># call</span> +<span id="L39" class="LineNr">39 </span> e8/call _write/disp32 +<span id="L40" class="LineNr">40 </span> <span class="Comment"># discard args</span> +<span id="L41" class="LineNr">41 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 8/imm32 <span class="Comment"># add to ESP</span> +<span id="L42" class="LineNr">42 </span> <span class="Comment"># return</span> +<span id="L43" class="LineNr">43 </span> eb/jump $check-ints-equal:end/disp8 +<span id="L44" class="LineNr">44 </span> <span class="Comment"># else:</span> +<span id="L45" class="LineNr">45 </span>$check-ints-equal:else: +<span id="L46" class="LineNr">46 </span> <span class="Comment"># _write(2/stderr, msg)</span> +<span id="L47" class="LineNr">47 </span> <span class="Comment"># push args</span> +<span id="L48" class="LineNr">48 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none <span class="Delimiter"> . </span> 1/r32/ECX 0x10/disp8 <span class="Delimiter"> . </span> <span class="Comment"># copy *(EBP+16) to ECX</span> +<span id="L49" class="LineNr">49 </span> 51/push-ECX +<span id="L50" class="LineNr">50 </span> 68/push 2/imm32/stderr +<span id="L51" class="LineNr">51 </span> <span class="Comment"># call</span> +<span id="L52" class="LineNr">52 </span> e8/call _write/disp32 +<span id="L53" class="LineNr">53 </span> <span class="Comment"># discard args</span> +<span id="L54" class="LineNr">54 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 8/imm32 <span class="Comment"># add to ESP</span> +<span id="L55" class="LineNr">55 </span> <span class="Comment"># _write(2/stderr, Newline)</span> +<span id="L56" class="LineNr">56 </span> <span class="Comment"># push args</span> +<span id="L57" class="LineNr">57 </span> 68/push <span class="Special">Newline</span>/imm32 +<span id="L58" class="LineNr">58 </span> 68/push 2/imm32/stderr +<span id="L59" class="LineNr">59 </span> <span class="Comment"># call</span> +<span id="L60" class="LineNr">60 </span> e8/call _write/disp32 +<span id="L61" class="LineNr">61 </span> <span class="Comment"># discard args</span> +<span id="L62" class="LineNr">62 </span> 81 0/subop/add 3/mod/direct 4/rm32/ESP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 8/imm32 <span class="Comment"># add to ESP</span> +<span id="L63" class="LineNr">63 </span> <span class="Comment"># increment Num-test-failures</span> +<span id="L64" class="LineNr">64 </span> ff 0/subop/increment 0/mod/indirect 5/rm32/.disp32 <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Special">Num-test-failures</span>/disp32 <span class="Comment"># increment *Num-test-failures</span> +<span id="L65" class="LineNr">65 </span>$check-ints-equal:end: +<span id="L66" class="LineNr">66 </span> <span class="Comment"># restore registers</span> +<span id="L67" class="LineNr">67 </span> 5b/pop-to-EBX +<span id="L68" class="LineNr">68 </span> 59/pop-to-ECX +<span id="L69" class="LineNr">69 </span> <span class="Comment"># epilog</span> +<span id="L70" class="LineNr">70 </span> 89/copy 3/mod/direct 4/rm32/ESP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> 5/r32/EBP <span class="Delimiter"> . </span> <span class="Delimiter"> . </span> <span class="Comment"># 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>== data +<span id="L75" class="LineNr">75 </span> +<span id="L76" class="LineNr">76 </span><span class="Special">Newline</span>: +<span id="L77" class="LineNr">77 </span> <span class="Comment"># size</span> +<span id="L78" class="LineNr">78 </span> 01 00 00 00 +<span id="L79" class="LineNr">79 </span> <span class="Comment"># data</span> +<span id="L80" class="LineNr">80 </span> 0a/newline +<span id="L81" class="LineNr">81 </span> +<span id="L82" class="LineNr">82 </span><span class="Special">Num-test-failures</span>: +<span id="L83" class="LineNr">83 </span> 00 00 00 00 +<span id="L84" class="LineNr">84 </span> +<span id="L85" class="LineNr">85 </span><span class="Comment"># vim:nowrap:textwidth=0</span> </pre> </body> 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