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Diffstat (limited to 'html/subx/012elf.cc.html')
-rw-r--r--html/subx/012elf.cc.html38
1 files changed, 19 insertions, 19 deletions
diff --git a/html/subx/012elf.cc.html b/html/subx/012elf.cc.html
index 9a0b7a4b..fafd6df5 100644
--- a/html/subx/012elf.cc.html
+++ b/html/subx/012elf.cc.html
@@ -64,7 +64,7 @@ if ('onhashchange' in window) {
 <span id="L5" class="LineNr">  5 </span><span class="Delimiter">:(before &quot;End Main&quot;)</span>
 <span id="L6" class="LineNr">  6 </span>assert<span class="Delimiter">(</span>argc &gt; <span class="Constant">1</span><span class="Delimiter">);</span>
 <span id="L7" class="LineNr">  7 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L89'>is_equal</a><span class="Delimiter">(</span>argv[<span class="Constant">1</span>]<span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
-<span id="L8" class="LineNr">  8 </span>  <a href='003trace.cc.html#L245'>START_TRACING_UNTIL_END_OF_SCOPE</a><span class="Delimiter">;</span>
+<span id="L8" class="LineNr">  8 </span>  <a href='003trace.cc.html#L253'>START_TRACING_UNTIL_END_OF_SCOPE</a><span class="Delimiter">;</span>
 <span id="L9" class="LineNr">  9 </span>  assert<span class="Delimiter">(</span>argc &gt; <span class="Constant">2</span><span class="Delimiter">);</span>
 <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 &lt;&lt; std::hex<span class="Delimiter">;</span>
@@ -73,20 +73,20 @@ if ('onhashchange' in window) {
 <span id="L14" class="LineNr"> 14 </span>  <a href='012elf.cc.html#L22'>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="L15" class="LineNr"> 15 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='010---vm.cc.html#L29'>EIP</a> &lt; <a href='010---vm.cc.html#L95'>End_of_program</a><span class="Delimiter">)</span>  <span class="Comment">// weak final-gasp termination check</span>
 <span id="L16" class="LineNr"> 16 </span>    <a href='010---vm.cc.html#L150'>run_one_instruction</a><span class="Delimiter">();</span>
-<span id="L17" class="LineNr"> 17 </span>  <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;executed past <a href='003trace.cc.html#L222'>end</a> of the world: &quot;</span> &lt;&lt; <a href='010---vm.cc.html#L29'>EIP</a> &lt;&lt; <span class="Constant">&quot; vs &quot;</span> &lt;&lt; <a href='010---vm.cc.html#L95'>End_of_program</a> &lt;&lt; <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span>
+<span id="L17" class="LineNr"> 17 </span>  <a href='003trace.cc.html#L204'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;executed past <a href='003trace.cc.html#L230'>end</a> of the world: &quot;</span> &lt;&lt; <a href='010---vm.cc.html#L29'>EIP</a> &lt;&lt; <span class="Constant">&quot; vs &quot;</span> &lt;&lt; <a href='010---vm.cc.html#L95'>End_of_program</a> &lt;&lt; <a href='003trace.cc.html#L230'>end</a><span class="Delimiter">();</span>
 <span id="L18" class="LineNr"> 18 </span>  <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
 <span id="L19" class="LineNr"> 19 </span><span class="Delimiter">}</span>
 <span id="L20" class="LineNr"> 20 </span>
 <span id="L21" class="LineNr"> 21 </span><span class="Delimiter">:(code)</span>
 <span id="L22" class="LineNr"> 22 </span><span class="Normal">void</span> <a href='012elf.cc.html#L22'>load_elf</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; filename<span class="Delimiter">,</span> <span class="Normal">int</span> argc<span class="Delimiter">,</span> <span class="Normal">char</span>* argv[]<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L23" class="LineNr"> 23 </span>  <span class="Normal">int</span> fd = open<span class="Delimiter">(</span>filename<span class="Delimiter">.</span>c_str<span class="Delimiter">(),</span> O_RDONLY<span class="Delimiter">);</span>
-<span id="L24" class="LineNr"> 24 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>fd &lt; <span class="Constant">0</span><span class="Delimiter">)</span> <a href='003trace.cc.html#L203'>raise</a> &lt;&lt; filename<span class="Delimiter">.</span>c_str<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;: open&quot;</span> &lt;&lt; <a href='012elf.cc.html#L144'>perr</a><span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
+<span id="L24" class="LineNr"> 24 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>fd &lt; <span class="Constant">0</span><span class="Delimiter">)</span> <a href='003trace.cc.html#L211'>raise</a> &lt;&lt; filename<span class="Delimiter">.</span>c_str<span class="Delimiter">()</span> &lt;&lt; <span class="Constant">&quot;: open&quot;</span> &lt;&lt; <a href='012elf.cc.html#L144'>perr</a><span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
 <span id="L25" class="LineNr"> 25 </span>  <span class="Normal">off_t</span> size = lseek<span class="Delimiter">(</span>fd<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">SEEK_END</span><span class="Delimiter">);</span>
 <span id="L26" class="LineNr"> 26 </span>  lseek<span class="Delimiter">(</span>fd<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">SEEK_SET</span><span class="Delimiter">);</span>
 <span id="L27" class="LineNr"> 27 </span>  <span class="Normal">uint8_t</span>* elf_contents = <span class="Normal">static_cast</span>&lt;<span class="Normal">uint8_t</span>*&gt;<span class="Delimiter">(</span>malloc<span class="Delimiter">(</span>size<span class="Delimiter">));</span>
-<span id="L28" class="LineNr"> 28 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>elf_contents == <span class="Constant">NULL</span><span class="Delimiter">)</span> <a href='003trace.cc.html#L203'>raise</a> &lt;&lt; <span class="Constant">&quot;malloc(&quot;</span> &lt;&lt; size &lt;&lt; <span class="Constant">')'</span> &lt;&lt; <a href='012elf.cc.html#L144'>perr</a><span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
+<span id="L28" class="LineNr"> 28 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>elf_contents == <span class="Constant">NULL</span><span class="Delimiter">)</span> <a href='003trace.cc.html#L211'>raise</a> &lt;&lt; <span class="Constant">&quot;malloc(&quot;</span> &lt;&lt; size &lt;&lt; <span class="Constant">')'</span> &lt;&lt; <a href='012elf.cc.html#L144'>perr</a><span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
 <span id="L29" class="LineNr"> 29 </span>  <span class="Normal">ssize_t</span> read_size = read<span class="Delimiter">(</span>fd<span class="Delimiter">,</span> elf_contents<span class="Delimiter">,</span> size<span class="Delimiter">);</span>
-<span id="L30" class="LineNr"> 30 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>size != read_size<span class="Delimiter">)</span> <a href='003trace.cc.html#L203'>raise</a> &lt;&lt; <span class="Constant">&quot;read → &quot;</span> &lt;&lt; size &lt;&lt; <span class="Constant">&quot; (!= &quot;</span> &lt;&lt; read_size &lt;&lt; <span class="Constant">')'</span> &lt;&lt; <a href='012elf.cc.html#L144'>perr</a><span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
+<span id="L30" class="LineNr"> 30 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>size != read_size<span class="Delimiter">)</span> <a href='003trace.cc.html#L211'>raise</a> &lt;&lt; <span class="Constant">&quot;read → &quot;</span> &lt;&lt; size &lt;&lt; <span class="Constant">&quot; (!= &quot;</span> &lt;&lt; read_size &lt;&lt; <span class="Constant">')'</span> &lt;&lt; <a href='012elf.cc.html#L144'>perr</a><span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
 <span id="L31" class="LineNr"> 31 </span>  <a href='012elf.cc.html#L35'>load_elf_contents</a><span class="Delimiter">(</span>elf_contents<span class="Delimiter">,</span> size<span class="Delimiter">,</span> argc<span class="Delimiter">,</span> argv<span class="Delimiter">);</span>
 <span id="L32" class="LineNr"> 32 </span>  free<span class="Delimiter">(</span>elf_contents<span class="Delimiter">);</span>
 <span id="L33" class="LineNr"> 33 </span><span class="Delimiter">}</span>
@@ -95,25 +95,25 @@ if ('onhashchange' in window) {
 <span id="L36" class="LineNr"> 36 </span>  <span class="Normal">uint8_t</span> magic[<span class="Constant">5</span>] = <span class="Delimiter">{</span><span class="Constant">0</span><span class="Delimiter">};</span>
 <span id="L37" class="LineNr"> 37 </span>  memcpy<span class="Delimiter">(</span>magic<span class="Delimiter">,</span> elf_contents<span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">);</span>
 <span id="L38" class="LineNr"> 38 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>memcmp<span class="Delimiter">(</span>magic<span class="Delimiter">,</span> <span class="Constant">&quot;</span><span class="cSpecial">\177</span><span class="Constant">ELF&quot;</span><span class="Delimiter">,</span> <span class="Constant">4</span><span class="Delimiter">)</span> != <span class="Constant">0</span><span class="Delimiter">)</span>
-<span id="L39" class="LineNr"> 39 </span>    <a href='003trace.cc.html#L203'>raise</a> &lt;&lt; <span class="Constant">&quot;Invalid ELF file; starts with </span><span class="cSpecial">\&quot;</span><span class="Constant">&quot;</span> &lt;&lt; magic &lt;&lt; <span class="Constant">'&quot;'</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
+<span id="L39" class="LineNr"> 39 </span>    <a href='003trace.cc.html#L211'>raise</a> &lt;&lt; <span class="Constant">&quot;Invalid ELF file; starts with </span><span class="cSpecial">\&quot;</span><span class="Constant">&quot;</span> &lt;&lt; magic &lt;&lt; <span class="Constant">'&quot;'</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
 <span id="L40" class="LineNr"> 40 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>elf_contents[<span class="Constant">4</span>] != <span class="Constant">1</span><span class="Delimiter">)</span>
-<span id="L41" class="LineNr"> 41 </span>    <a href='003trace.cc.html#L203'>raise</a> &lt;&lt; <span class="Constant">&quot;Only 32-bit ELF files (4-byte words; virtual addresses up to 4GB) supported.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
+<span id="L41" class="LineNr"> 41 </span>    <a href='003trace.cc.html#L211'>raise</a> &lt;&lt; <span class="Constant">&quot;Only 32-bit ELF files (4-byte words; virtual addresses up to 4GB) supported.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
 <span id="L42" class="LineNr"> 42 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>elf_contents[<span class="Constant">5</span>] != <span class="Constant">1</span><span class="Delimiter">)</span>
-<span id="L43" class="LineNr"> 43 </span>    <a href='003trace.cc.html#L203'>raise</a> &lt;&lt; <span class="Constant">&quot;Only little-endian ELF files supported.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
+<span id="L43" class="LineNr"> 43 </span>    <a href='003trace.cc.html#L211'>raise</a> &lt;&lt; <span class="Constant">&quot;Only little-endian ELF files supported.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
 <span id="L44" class="LineNr"> 44 </span>  <span class="Comment">// unused: remaining 10 bytes of e_ident</span>
 <span id="L45" class="LineNr"> 45 </span>  <span class="Normal">uint32_t</span> e_machine_type = <a href='012elf.cc.html#L135'>u32_in</a><span class="Delimiter">(</span>&amp;elf_contents[<span class="Constant">16</span>]<span class="Delimiter">);</span>
 <span id="L46" class="LineNr"> 46 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>e_machine_type != <span class="Constant">0x00030002</span><span class="Delimiter">)</span>
-<span id="L47" class="LineNr"> 47 </span>    <a href='003trace.cc.html#L203'>raise</a> &lt;&lt; <span class="Constant">&quot;ELF type/machine 0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L260'>HEXWORD</a> &lt;&lt; e_machine_type &lt;&lt; <span class="Constant">&quot; isn't i386 executable</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; die<span class="Delimiter">();</span>
+<span id="L47" class="LineNr"> 47 </span>    <a href='003trace.cc.html#L211'>raise</a> &lt;&lt; <span class="Constant">&quot;ELF type/machine 0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L260'>HEXWORD</a> &lt;&lt; e_machine_type &lt;&lt; <span class="Constant">&quot; isn't i386 executable</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; die<span class="Delimiter">();</span>
 <span id="L48" class="LineNr"> 48 </span>  <span class="Comment">// unused: e_version. We only support version 1, and later versions will be backwards compatible.</span>
 <span id="L49" class="LineNr"> 49 </span>  <span class="Normal">uint32_t</span> e_entry = <a href='012elf.cc.html#L135'>u32_in</a><span class="Delimiter">(</span>&amp;elf_contents[<span class="Constant">24</span>]<span class="Delimiter">);</span>
 <span id="L50" class="LineNr"> 50 </span>  <span class="Normal">uint32_t</span> e_phoff = <a href='012elf.cc.html#L135'>u32_in</a><span class="Delimiter">(</span>&amp;elf_contents[<span class="Constant">28</span>]<span class="Delimiter">);</span>
 <span id="L51" class="LineNr"> 51 </span>  <span class="Comment">// unused: e_shoff</span>
 <span id="L52" class="LineNr"> 52 </span>  <span class="Comment">// unused: e_flags</span>
 <span id="L53" class="LineNr"> 53 </span>  <span class="Normal">uint32_t</span> e_ehsize = <a href='012elf.cc.html#L139'>u16_in</a><span class="Delimiter">(</span>&amp;elf_contents[<span class="Constant">40</span>]<span class="Delimiter">);</span>
-<span id="L54" class="LineNr"> 54 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>e_ehsize &lt; <span class="Constant">52</span><span class="Delimiter">)</span> <a href='003trace.cc.html#L203'>raise</a> &lt;&lt; <span class="Constant">&quot;Invalid binary; ELF header too small</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
+<span id="L54" class="LineNr"> 54 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>e_ehsize &lt; <span class="Constant">52</span><span class="Delimiter">)</span> <a href='003trace.cc.html#L211'>raise</a> &lt;&lt; <span class="Constant">&quot;Invalid binary; ELF header too small</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
 <span id="L55" class="LineNr"> 55 </span>  <span class="Normal">uint32_t</span> e_phentsize = <a href='012elf.cc.html#L139'>u16_in</a><span class="Delimiter">(</span>&amp;elf_contents[<span class="Constant">42</span>]<span class="Delimiter">);</span>
 <span id="L56" class="LineNr"> 56 </span>  <span class="Normal">uint32_t</span> e_phnum = <a href='012elf.cc.html#L139'>u16_in</a><span class="Delimiter">(</span>&amp;elf_contents[<span class="Constant">44</span>]<span class="Delimiter">);</span>
-<span id="L57" class="LineNr"> 57 </span>  <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; e_phnum &lt;&lt; <span class="Constant">&quot; entries in the <a href='011run.cc.html#L99'>program</a> header, each &quot;</span> &lt;&lt; e_phentsize &lt;&lt; <span class="Constant">&quot; bytes long&quot;</span> &lt;&lt; <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span>
+<span id="L57" class="LineNr"> 57 </span>  <a href='003trace.cc.html#L204'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; e_phnum &lt;&lt; <span class="Constant">&quot; entries in the <a href='011run.cc.html#L99'>program</a> header, each &quot;</span> &lt;&lt; e_phentsize &lt;&lt; <span class="Constant">&quot; bytes long&quot;</span> &lt;&lt; <a href='003trace.cc.html#L230'>end</a><span class="Delimiter">();</span>
 <span id="L58" class="LineNr"> 58 </span>  <span class="Comment">// unused: e_shentsize</span>
 <span id="L59" class="LineNr"> 59 </span>  <span class="Comment">// unused: e_shnum</span>
 <span id="L60" class="LineNr"> 60 </span>  <span class="Comment">// unused: e_shstrndx</span>
@@ -143,33 +143,33 @@ if ('onhashchange' in window) {
 <span id="L84" class="LineNr"> 84 </span>
 <span id="L85" class="LineNr"> 85 </span><span class="Normal">void</span> <a href='012elf.cc.html#L85'>push</a><span class="Delimiter">(</span><span class="Normal">uint32_t</span> val<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L86" class="LineNr"> 86 </span>  Reg[ESP]<span class="Delimiter">.</span>u -= <span class="Constant">4</span><span class="Delimiter">;</span>
-<span id="L87" class="LineNr"> 87 </span>  <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;decrementing <a href='010---vm.cc.html#L17'>ESP</a> to 0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L260'>HEXWORD</a> &lt;&lt; Reg[ESP]<span class="Delimiter">.</span>u &lt;&lt; <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span>
-<span id="L88" class="LineNr"> 88 </span>  <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;pushing value 0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L260'>HEXWORD</a> &lt;&lt; val &lt;&lt; <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span>
+<span id="L87" class="LineNr"> 87 </span>  <a href='003trace.cc.html#L204'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;decrementing <a href='010---vm.cc.html#L17'>ESP</a> to 0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L260'>HEXWORD</a> &lt;&lt; Reg[ESP]<span class="Delimiter">.</span>u &lt;&lt; <a href='003trace.cc.html#L230'>end</a><span class="Delimiter">();</span>
+<span id="L88" class="LineNr"> 88 </span>  <a href='003trace.cc.html#L204'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;pushing value 0x&quot;</span> &lt;&lt; <a href='010---vm.cc.html#L260'>HEXWORD</a> &lt;&lt; val &lt;&lt; <a href='003trace.cc.html#L230'>end</a><span class="Delimiter">();</span>
 <span id="L89" class="LineNr"> 89 </span>  <a href='010---vm.cc.html#L139'>write_mem_u32</a><span class="Delimiter">(</span>Reg[ESP]<span class="Delimiter">.</span>u<span class="Delimiter">,</span> val<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='012elf.cc.html#L92'>load_segment_from_program_header</a><span class="Delimiter">(</span><span class="Normal">uint8_t</span>* elf_contents<span class="Delimiter">,</span> <span class="Normal">size_t</span> size<span class="Delimiter">,</span> <span class="Normal">uint32_t</span> offset<span class="Delimiter">,</span> <span class="Normal">uint32_t</span> e_ehsize<span class="Delimiter">)</span> <span class="Delimiter">{</span>
 <span id="L93" class="LineNr"> 93 </span>  <span class="Normal">uint32_t</span> p_type = <a href='012elf.cc.html#L135'>u32_in</a><span class="Delimiter">(</span>&amp;elf_contents[offset]<span class="Delimiter">);</span>
-<span id="L94" class="LineNr"> 94 </span>  <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;program header at offset &quot;</span> &lt;&lt; offset &lt;&lt; <span class="Constant">&quot;: type &quot;</span> &lt;&lt; p_type &lt;&lt; <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span>
+<span id="L94" class="LineNr"> 94 </span>  <a href='003trace.cc.html#L204'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;program header at offset &quot;</span> &lt;&lt; offset &lt;&lt; <span class="Constant">&quot;: type &quot;</span> &lt;&lt; p_type &lt;&lt; <a href='003trace.cc.html#L230'>end</a><span class="Delimiter">();</span>
 <span id="L95" class="LineNr"> 95 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>p_type != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
-<span id="L96" class="LineNr"> 96 </span>    <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;ignoring segment at offset &quot;</span> &lt;&lt; offset &lt;&lt; <span class="Constant">&quot; of non PT_LOAD type &quot;</span> &lt;&lt; p_type &lt;&lt; <span class="Constant">&quot; (see <a href="http://refspecs.linuxbase.org/elf/elf.pdf">http://refspecs.linuxbase.org/elf/elf.pdf</a>)&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
+<span id="L96" class="LineNr"> 96 </span>    <a href='003trace.cc.html#L204'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;ignoring segment at offset &quot;</span> &lt;&lt; offset &lt;&lt; <span class="Constant">&quot; of non PT_LOAD type &quot;</span> &lt;&lt; p_type &lt;&lt; <span class="Constant">&quot; (see <a href="http://refspecs.linuxbase.org/elf/elf.pdf">http://refspecs.linuxbase.org/elf/elf.pdf</a>)&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
 <span id="L97" class="LineNr"> 97 </span>    <span class="Identifier">return</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">uint32_t</span> p_offset = <a href='012elf.cc.html#L135'>u32_in</a><span class="Delimiter">(</span>&amp;elf_contents[offset + <span class="Constant">4</span>]<span class="Delimiter">);</span>
 <span id="L100" class="LineNr">100 </span>  <span class="Normal">uint32_t</span> p_vaddr = <a href='012elf.cc.html#L135'>u32_in</a><span class="Delimiter">(</span>&amp;elf_contents[offset + <span class="Constant">8</span>]<span class="Delimiter">);</span>
-<span id="L101" class="LineNr">101 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>e_ehsize &gt; p_vaddr<span class="Delimiter">)</span> <a href='003trace.cc.html#L203'>raise</a> &lt;&lt; <span class="Constant">&quot;Invalid binary; <a href='011run.cc.html#L99'>program</a> header overlaps ELF header</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
+<span id="L101" class="LineNr">101 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>e_ehsize &gt; p_vaddr<span class="Delimiter">)</span> <a href='003trace.cc.html#L211'>raise</a> &lt;&lt; <span class="Constant">&quot;Invalid binary; <a href='011run.cc.html#L99'>program</a> header overlaps ELF header</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
 <span id="L102" class="LineNr">102 </span>  <span class="Comment">// unused: p_paddr</span>
 <span id="L103" class="LineNr">103 </span>  <span class="Normal">uint32_t</span> p_filesz = <a href='012elf.cc.html#L135'>u32_in</a><span class="Delimiter">(</span>&amp;elf_contents[offset + <span class="Constant">16</span>]<span class="Delimiter">);</span>
 <span id="L104" class="LineNr">104 </span>  <span class="Normal">uint32_t</span> p_memsz = <a href='012elf.cc.html#L135'>u32_in</a><span class="Delimiter">(</span>&amp;elf_contents[offset + <span class="Constant">20</span>]<span class="Delimiter">);</span>
 <span id="L105" class="LineNr">105 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>p_filesz != p_memsz<span class="Delimiter">)</span>
-<span id="L106" class="LineNr">106 </span>    <a href='003trace.cc.html#L203'>raise</a> &lt;&lt; <span class="Constant">&quot;Can't handle segments where p_filesz != p_memsz (see <a href="http://refspecs.linuxbase.org/elf/elf.pdf">http://refspecs.linuxbase.org/elf/elf.pdf</a>)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; die<span class="Delimiter">();</span>
+<span id="L106" class="LineNr">106 </span>    <a href='003trace.cc.html#L211'>raise</a> &lt;&lt; <span class="Constant">&quot;Can't handle segments where p_filesz != p_memsz (see <a href="http://refspecs.linuxbase.org/elf/elf.pdf">http://refspecs.linuxbase.org/elf/elf.pdf</a>)</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; die<span class="Delimiter">();</span>
 <span id="L107" class="LineNr">107 </span>
 <span id="L108" class="LineNr">108 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>p_offset + p_filesz &gt; size<span class="Delimiter">)</span>
-<span id="L109" class="LineNr">109 </span>    <a href='003trace.cc.html#L203'>raise</a> &lt;&lt; <span class="Constant">&quot;Invalid binary; segment at offset &quot;</span> &lt;&lt; offset &lt;&lt; <span class="Constant">&quot; is too large: wants to <a href='003trace.cc.html#L222'>end</a> at &quot;</span> &lt;&lt; p_offset+p_filesz &lt;&lt; <span class="Constant">&quot; but the file ends at &quot;</span> &lt;&lt; size &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
+<span id="L109" class="LineNr">109 </span>    <a href='003trace.cc.html#L211'>raise</a> &lt;&lt; <span class="Constant">&quot;Invalid binary; segment at offset &quot;</span> &lt;&lt; offset &lt;&lt; <span class="Constant">&quot; is too large: wants to <a href='003trace.cc.html#L230'>end</a> at &quot;</span> &lt;&lt; p_offset+p_filesz &lt;&lt; <span class="Constant">&quot; but the file ends at &quot;</span> &lt;&lt; size &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='012elf.cc.html#L153'>die</a><span class="Delimiter">();</span>
 <span id="L110" class="LineNr">110 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='010---vm.cc.html#L93'>Mem</a><span class="Delimiter">.</span>size<span class="Delimiter">()</span> &lt; p_vaddr + p_memsz<span class="Delimiter">)</span>
 <span id="L111" class="LineNr">111 </span>    <a href='010---vm.cc.html#L93'>Mem</a><span class="Delimiter">.</span>resize<span class="Delimiter">(</span>p_vaddr + p_memsz<span class="Delimiter">);</span>
 <span id="L112" class="LineNr">112 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>size &gt; p_memsz<span class="Delimiter">)</span> size = p_memsz<span class="Delimiter">;</span>
-<span id="L113" class="LineNr">113 </span>  <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;blitting file offsets (&quot;</span> &lt;&lt; p_offset &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; <span class="Delimiter">(</span>p_offset+p_filesz<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;) to addresses (&quot;</span> &lt;&lt; p_vaddr &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; <span class="Delimiter">(</span>p_vaddr+p_memsz<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">')'</span> &lt;&lt; <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span>
+<span id="L113" class="LineNr">113 </span>  <a href='003trace.cc.html#L204'>trace</a><span class="Delimiter">(</span><span class="Constant">90</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;blitting file offsets (&quot;</span> &lt;&lt; p_offset &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; <span class="Delimiter">(</span>p_offset+p_filesz<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;) to addresses (&quot;</span> &lt;&lt; p_vaddr &lt;&lt; <span class="Constant">&quot;, &quot;</span> &lt;&lt; <span class="Delimiter">(</span>p_vaddr+p_memsz<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">')'</span> &lt;&lt; <a href='003trace.cc.html#L230'>end</a><span class="Delimiter">();</span>
 <span id="L114" class="LineNr">114 </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 &lt; p_filesz<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span>
 <span id="L115" class="LineNr">115 </span>    <a href='010---vm.cc.html#L133'>write_mem_u8</a><span class="Delimiter">(</span>p_vaddr+i<span class="Delimiter">,</span> elf_contents[p_offset+i]<span class="Delimiter">);</span>
 <span id="L116" class="LineNr">116 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='010---vm.cc.html#L95'>End_of_program</a> &lt; p_vaddr+p_memsz<span class="Delimiter">)</span>