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#include <glib.h>

#include "pgp/gpg.h"

void p_gpg_init(void) {}
void p_gpg_close(void) {}

GHashTable* p_gpg_list_keys(void)
{
    return NULL;
}

GHashTable*
p_gpg_pubkeys(void)
{
    return NULL;
}

const char* p_gpg_libver(void)
{
    return NULL;
}

void p_gpg_verify(const char * const barejid, const char *const sign) {}

char* p_gpg_sign(const char * const str, const char * const fp)
{
    return NULL;
}

gboolean p_gpg_valid_key(const char * const keyid)
{
    return FALSE;
}

gboolean p_gpg_available(const char * const barejid)
{
    return FALSE;
}
char * p_gpg_decrypt(const char * const cipher)
{
    return NULL;
}

void p_gpg_on_connect(const char * const barejid) {}
void p_gpg_on_disconnect(void) {}

gboolean p_gpg_addkey(const char * const jid, const char * const keyid)
{
    return TRUE;
}

void p_gpg_free_decrypted(char *decrypted) {}

void p_gpg_free_keys(GHashTable *keys) {}

void p_gpg_autocomplete_key_reset(void) {}

char * p_gpg_autocomplete_key(const char * const search_str)
{
    return NULL;
}

char *
p_gpg_format_fp_str(char *fp)
{
    return NULL;
}
a id='n482' href='#n482'>482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515
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<title>Mu - linux/bootstrap/011run.cc</title>
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<a href='https://github.com/akkartik/mu/blob/main/linux/bootstrap/011run.cc'>https://github.com/akkartik/mu/blob/main/linux/bootstrap/011run.cc</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="Comment">//: Running SubX programs on the VM.</span>
<span id="L2" class="LineNr">  2 </span>
<span id="L3" class="LineNr">  3 </span><span class="Comment">//: (Not to be confused with the 'run' subcommand for running ELF binaries on</span>
<span id="L4" class="LineNr">  4 </span><span class="Comment">//: the VM. That comes later.)</span>
<span id="L5" class="LineNr">  5 </span>
<span id="L6" class="LineNr">  6 </span><span class="Delimiter">:(before &quot;End <a href='001help.cc.html#L53'>Help</a> Texts&quot;)</span>
<span id="L7" class="LineNr">  7 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='001help.cc.html#L53'>Help</a><span class="Delimiter">,</span> <span class="Constant">&quot;syntax&quot;</span><span class="Delimiter">,</span>
<span id="L8" class="LineNr">  8 </span>  <span class="Constant">&quot;SubX programs consist of <a href='011run.cc.html#L106'>segments</a>, each segment in turn consisting of lines.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L9" class="LineNr">  9 </span>  <span class="Constant">&quot;Line-endings are significant; each <a href='011run.cc.html#L121'>line</a> should contain a single</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L10" class="LineNr"> 10 </span>  <span class="Constant">&quot;instruction, macro or directive.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L11" class="LineNr"> 11 </span>  <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L12" class="LineNr"> 12 </span>  <span class="Constant">&quot;Comments start with the '#' character. It should be at the start of a <a href='011run.cc.html#L127'>word</a></span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L13" class="LineNr"> 13 </span>  <span class="Constant">&quot;(start of <a href='011run.cc.html#L121'>line</a>, or following a space).</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L14" class="LineNr"> 14 </span>  <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L15" class="LineNr"> 15 </span>  <span class="Constant">&quot;Each segment starts with a header <a href='011run.cc.html#L121'>line</a>: a '==' delimiter followed by the <a href='011run.cc.html#L111'>name</a> of</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L16" class="LineNr"> 16 </span>  <span class="Constant">&quot;the segment and a (sometimes approximate) starting address in memory.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L17" class="LineNr"> 17 </span>  <span class="Constant">&quot;The <a href='011run.cc.html#L111'>name</a> 'code' is special; instructions to execute should always go here.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L18" class="LineNr"> 18 </span>  <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L19" class="LineNr"> 19 </span>  <span class="Constant">&quot;The resulting binary starts running code from a label called 'Entry'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L20" class="LineNr"> 20 </span>  <span class="Constant">&quot;in the code segment.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L21" class="LineNr"> 21 </span>  <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L22" class="LineNr"> 22 </span>  <span class="Constant">&quot;Segments with the same <a href='011run.cc.html#L111'>name</a> get merged together. This rule helps keep functions</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L23" class="LineNr"> 23 </span>  <span class="Constant">&quot;and their data close together in .subx files.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L24" class="LineNr"> 24 </span>  <span class="Constant">&quot;You don't have to specify the starting address after the first time.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L25" class="LineNr"> 25 </span>  <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L26" class="LineNr"> 26 </span>  <span class="Constant">&quot;Lines consist of a series of words. Words can contain arbitrary metadata</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L27" class="LineNr"> 27 </span>  <span class="Constant">&quot;after a '/', but they can never contain whitespace. Metadata has no effect</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L28" class="LineNr"> 28 </span>  <span class="Constant">&quot;at runtime, but can be handy when rewriting macros.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L29" class="LineNr"> 29 </span>  <span class="Constant">&quot;</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L30" class="LineNr"> 30 </span>  <span class="Constant">&quot;Check out the example programs linux/ex*.</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L31" class="LineNr"> 31 </span><span class="Delimiter">);</span>
<span id="L32" class="LineNr"> 32 </span><span class="Delimiter">:(before &quot;End <a href='001help.cc.html#L53'>Help</a> Contents&quot;)</span>
<span id="L33" class="LineNr"> 33 </span>cerr &lt;&lt; <span class="Constant">&quot;  syntax</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span><span class="Delimiter">;</span>
<span id="L34" class="LineNr"> 34 </span>
<span id="L35" class="LineNr"> 35 </span><span class="Delimiter">:(code)</span>
<span id="L36" class="LineNr"> 36 </span><span class="Normal">void</span> <a href='011run.cc.html#L36'>test_copy_imm32_to_EAX</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L37" class="LineNr"> 37 </span>  <span class="Comment">// At the lowest level, SubX programs are a series of hex bytes, each</span>
<span id="L38" class="LineNr"> 38 </span>  <span class="Comment">// (variable-length) instruction on one line.</span>
<span id="L39" class="LineNr"> 39 </span>  <a href='011run.cc.html#L82'>run</a><span class="Delimiter">(</span>
<span id="L40" class="LineNr"> 40 </span>      <span class="Comment">// Comments start with '#' and are ignored.</span>
<span id="L41" class="LineNr"> 41 </span>      <span class="Constant">&quot;# comment</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L42" class="LineNr"> 42 </span>      <span class="Comment">// Segment headers start with '==', a name and a starting hex address.</span>
<span id="L43" class="LineNr"> 43 </span>      <span class="Comment">// There's usually one code and one data segment. The code segment</span>
<span id="L44" class="LineNr"> 44 </span>      <span class="Comment">// always comes first.</span>
<span id="L45" class="LineNr"> 45 </span>      <span class="Constant">&quot;== code 0x1</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>  <span class="Comment">// code segment</span>
<span id="L46" class="LineNr"> 46 </span>
<span id="L47" class="LineNr"> 47 </span>      <span class="Comment">// After the header, each segment consists of lines, and each line</span>
<span id="L48" class="LineNr"> 48 </span>      <span class="Comment">// consists of words separated by whitespace.</span>
<span id="L49" class="LineNr"> 49 </span>      <span class="Comment">//</span>
<span id="L50" class="LineNr"> 50 </span>      <span class="Comment">// All words can have metadata after a '/'. No spaces allowed in</span>
<span id="L51" class="LineNr"> 51 </span>      <span class="Comment">// metadata, of course.</span>
<span id="L52" class="LineNr"> 52 </span>      <span class="Comment">// Unrecognized metadata never causes errors, so you can use it for</span>
<span id="L53" class="LineNr"> 53 </span>      <span class="Comment">// documentation.</span>
<span id="L54" class="LineNr"> 54 </span>      <span class="Comment">//</span>
<span id="L55" class="LineNr"> 55 </span>      <span class="Comment">// Within the code segment in particular, x86 instructions consist of</span>
<span id="L56" class="LineNr"> 56 </span>      <span class="Comment">// some number of the following parts and sub-parts (see the Readme and</span>
<span id="L57" class="LineNr"> 57 </span>      <span class="Comment">// cheatsheet.pdf for details):</span>
<span id="L58" class="LineNr"> 58 </span>      <span class="Comment">//   opcodes: 1-3 bytes</span>
<span id="L59" class="LineNr"> 59 </span>      <span class="Comment">//   ModR/M byte</span>
<span id="L60" class="LineNr"> 60 </span>      <span class="Comment">//   SIB byte</span>
<span id="L61" class="LineNr"> 61 </span>      <span class="Comment">//   displacement: 0/1/2/4 bytes</span>
<span id="L62" class="LineNr"> 62 </span>      <span class="Comment">//   immediate: 0/1/2/4 bytes</span>
<span id="L63" class="LineNr"> 63 </span>      <span class="Comment">// opcode        ModR/M                    SIB                   displacement    immediate</span>
<span id="L64" class="LineNr"> 64 </span>      <span class="Comment">// instruction   mod, reg, Reg/Mem bits    scale, index, base</span>
<span id="L65" class="LineNr"> 65 </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="L66" class="LineNr"> 66 </span>      <span class="Constant">&quot;  b8            .                         .                     .               0a 0b 0c 0d</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>  <span class="Comment">// copy 0x0d0c0b0a to EAX</span>
<span id="L67" class="LineNr"> 67 </span>      <span class="Comment">// The periods are just to help the eye track long gaps between columns,</span>
<span id="L68" class="LineNr"> 68 </span>      <span class="Comment">// and are otherwise ignored.</span>
<span id="L69" class="LineNr"> 69 </span>  <span class="Delimiter">);</span>
<span id="L70" class="LineNr"> 70 </span>  <span class="Comment">// This program, when run, causes the following events in the trace:</span>
<span id="L71" class="LineNr"> 71 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L72" class="LineNr"> 72 </span>      <span class="Constant">&quot;load: 0x00000001 -&gt; b8</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L73" class="LineNr"> 73 </span>      <span class="Constant">&quot;load: 0x00000002 -&gt; 0a</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L74" class="LineNr"> 74 </span>      <span class="Constant">&quot;load: 0x00000003 -&gt; 0b</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L75" class="LineNr"> 75 </span>      <span class="Constant">&quot;load: 0x00000004 -&gt; 0c</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L76" class="LineNr"> 76 </span>      <span class="Constant">&quot;load: 0x00000005 -&gt; 0d</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L77" class="LineNr"> 77 </span>      <span class="Constant">&quot;run: copy imm32 0x0d0c0b0a to <a href='010vm.cc.html#L10'>EAX</a></span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L78" class="LineNr"> 78 </span>  <span class="Delimiter">);</span>
<span id="L79" class="LineNr"> 79 </span><span class="Delimiter">}</span>
<span id="L80" class="LineNr"> 80 </span>
<span id="L81" class="LineNr"> 81 </span><span class="Comment">// top-level helper for tests: parse the input, load the hex bytes into memory, run</span>
<span id="L82" class="LineNr"> 82 </span><span class="Normal">void</span> <a href='011run.cc.html#L82'>run</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L83" class="LineNr"> 83 </span>  program p<span class="Delimiter">;</span>
<span id="L84" class="LineNr"> 84 </span>  istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span>
<span id="L85" class="LineNr"> 85 </span>  <span class="Comment">// Loading Test Program</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#L262'>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>  <span class="Comment">// Running Test Program</span>
<span id="L89" class="LineNr"> 89 </span>  <a href='011run.cc.html#L248'>load</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span>
<span id="L90" class="LineNr"> 90 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L262'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L91" class="LineNr"> 91 </span>  <span class="Comment">// convenience to keep tests concise: 'Entry' label need not be provided</span>
<span id="L92" class="LineNr"> 92 </span>  <span class="Comment">// not allowed in real programs</span>
<span id="L93" class="LineNr"> 93 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L105'>entry</a><span class="Delimiter">)</span>
<span id="L94" class="LineNr"> 94 </span>    <a href='010vm.cc.html#L26'>EIP</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L105'>entry</a><span class="Delimiter">;</span>
<span id="L95" class="LineNr"> 95 </span>  <span class="Normal">else</span>
<span id="L96" class="LineNr"> 96 </span>    <a href='010vm.cc.html#L26'>EIP</a> = find<span class="Delimiter">(</span>p<span class="Delimiter">,</span> <span class="Constant">&quot;code&quot;</span><span class="Delimiter">)-&gt;</span>start<span class="Delimiter">;</span>
<span id="L97" class="LineNr"> 97 </span>  <span class="Normal">while</span> <span class="Delimiter">(</span><a href='010vm.cc.html#L26'>EIP</a> &lt; <a href='010vm.cc.html#L166'>End_of_program</a><span class="Delimiter">)</span>
<span id="L98" class="LineNr"> 98 </span>    <a href='010vm.cc.html#L277'>run_one_instruction</a><span class="Delimiter">();</span>
<span id="L99" class="LineNr"> 99 </span><span class="Delimiter">}</span>
<span id="L100" class="LineNr">100 </span>
<span id="L101" class="LineNr">101 </span><span class="Comment">//:: core data structures</span>
<span id="L102" class="LineNr">102 </span>
<span id="L103" class="LineNr">103 </span><span class="Delimiter">:(before &quot;End Types&quot;)</span>
<span id="L104" class="LineNr">104 </span><span class="Normal">struct</span> program <span class="Delimiter">{</span>
<span id="L105" class="LineNr">105 </span>  <span class="Normal">uint32_t</span> <a href='011run.cc.html#L105'>entry</a><span class="Delimiter">;</span>
<span id="L106" class="LineNr">106 </span>  vector&lt;segment&gt; <a href='011run.cc.html#L106'>segments</a><span class="Delimiter">;</span>
<span id="L107" class="LineNr">107 </span>  program<span class="Delimiter">()</span> <span class="Delimiter">{</span> <a href='011run.cc.html#L105'>entry</a> = <span class="Constant">0</span><span class="Delimiter">;</span> <span class="Delimiter">}</span>
<span id="L108" class="LineNr">108 </span><span class="Delimiter">};</span>
<span id="L109" class="LineNr">109 </span><span class="Delimiter">:(before &quot;struct program&quot;)</span>
<span id="L110" class="LineNr">110 </span><span class="Normal">struct</span> segment <span class="Delimiter">{</span>
<span id="L111" class="LineNr">111 </span>  string <a href='011run.cc.html#L111'>name</a><span class="Delimiter">;</span>
<span id="L112" class="LineNr">112 </span>  <span class="Normal">uint32_t</span> start<span class="Delimiter">;</span>
<span id="L113" class="LineNr">113 </span>  vector&lt;line&gt; <a href='011run.cc.html#L113'>lines</a><span class="Delimiter">;</span>
<span id="L114" class="LineNr">114 </span>  <span class="Comment">// End segment Fields</span>
<span id="L115" class="LineNr">115 </span>  segment<span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L116" class="LineNr">116 </span>    start = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L117" class="LineNr">117 </span>    <span class="Comment">// End segment Constructor</span>
<span id="L118" class="LineNr">118 </span>  <span class="Delimiter">}</span>
<span id="L119" class="LineNr">119 </span><span class="Delimiter">};</span>
<span id="L120" class="LineNr">120 </span><span class="Delimiter">:(before &quot;struct segment&quot;)</span>
<span id="L121" class="LineNr">121 </span><span class="Normal">struct</span> <a href='011run.cc.html#L121'>line</a> <span class="Delimiter">{</span>
<span id="L122" class="LineNr">122 </span>  vector&lt;word&gt; <a href='011run.cc.html#L122'>words</a><span class="Delimiter">;</span>
<span id="L123" class="LineNr">123 </span>  vector&lt;string&gt; metadata<span class="Delimiter">;</span>
<span id="L124" class="LineNr">124 </span>  string original<span class="Delimiter">;</span>
<span id="L125" class="LineNr">125 </span><span class="Delimiter">};</span>
<span id="L126" class="LineNr">126 </span><span class="Delimiter">:(before &quot;struct line&quot;)</span>
<span id="L127" class="LineNr">127 </span><span class="Normal">struct</span> <a href='011run.cc.html#L127'>word</a> <span class="Delimiter">{</span>
<span id="L128" class="LineNr">128 </span>  string original<span class="Delimiter">;</span>
<span id="L129" class="LineNr">129 </span>  string data<span class="Delimiter">;</span>
<span id="L130" class="LineNr">130 </span>  vector&lt;string&gt; metadata<span class="Delimiter">;</span>
<span id="L131" class="LineNr">131 </span><span class="Delimiter">};</span>
<span id="L132" class="LineNr">132 </span>
<span id="L133" class="LineNr">133 </span><span class="Comment">//:: parse</span>
<span id="L134" class="LineNr">134 </span>
<span id="L135" class="LineNr">135 </span><span class="Delimiter">:(code)</span>
<span id="L136" class="LineNr">136 </span><span class="Normal">void</span> parse<span class="Delimiter">(</span>istream&amp; fin<span class="Delimiter">,</span> program&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L137" class="LineNr">137 </span>  segment* curr_segment = <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span id="L138" class="LineNr">138 </span>  vector&lt;line&gt; l<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#L249'>has_data</a><span class="Delimiter">(</span>fin<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L140" class="LineNr">140 </span>    string line_data<span class="Delimiter">;</span>
<span id="L141" class="LineNr">141 </span>    <a href='011run.cc.html#L121'>line</a> curr<span class="Delimiter">;</span>
<span id="L142" class="LineNr">142 </span>    getline<span class="Delimiter">(</span>fin<span class="Delimiter">,</span> line_data<span class="Delimiter">);</span>
<span id="L143" class="LineNr">143 </span>    curr<span class="Delimiter">.</span>original = line_data<span class="Delimiter">;</span>
<span id="L144" class="LineNr">144 </span>    <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;line: &quot;</span> &lt;&lt; line_data &lt;&lt; end<span class="Delimiter">();</span>
<span id="L145" class="LineNr">145 </span>    <span class="Comment">// End Line Parsing Special-cases(line_data -&gt; l)</span>
<span id="L146" class="LineNr">146 </span>    istringstream lin<span class="Delimiter">(</span>line_data<span class="Delimiter">);</span>
<span id="L147" class="LineNr">147 </span>    <span class="Normal">while</span> <span class="Delimiter">(</span><a href='001help.cc.html#L249'>has_data</a><span class="Delimiter">(</span>lin<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L148" class="LineNr">148 </span>      string word_data<span class="Delimiter">;</span>
<span id="L149" class="LineNr">149 </span>      lin &gt;&gt; word_data<span class="Delimiter">;</span>
<span id="L150" class="LineNr">150 </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="L151" class="LineNr">151 </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="L152" class="LineNr">152 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>word_data == <span class="Constant">&quot;.&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// comment token</span>
<span id="L153" class="LineNr">153 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>word_data == <span class="Constant">&quot;==&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L154" class="LineNr">154 </span>        <a href='011run.cc.html#L198'>flush</a><span class="Delimiter">(</span>curr_segment<span class="Delimiter">,</span> l<span class="Delimiter">);</span>
<span id="L155" class="LineNr">155 </span>        string segment_name<span class="Delimiter">;</span>
<span id="L156" class="LineNr">156 </span>        lin &gt;&gt; segment_name<span class="Delimiter">;</span>
<span id="L157" class="LineNr">157 </span>        curr_segment = find<span class="Delimiter">(</span>out<span class="Delimiter">,</span> segment_name<span class="Delimiter">);</span>
<span id="L158" class="LineNr">158 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>curr_segment != <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L159" class="LineNr">159 </span>          <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span><span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;appending to segment '&quot;</span> &lt;&lt; segment_name &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L160" class="LineNr">160 </span>        <span class="Delimiter">}</span>
<span id="L161" class="LineNr">161 </span>        <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L162" class="LineNr">162 </span>          <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span><span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;new segment '&quot;</span> &lt;&lt; segment_name &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L163" class="LineNr">163 </span>          <span class="Normal">uint32_t</span> seg_start = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L164" class="LineNr">164 </span>          lin &gt;&gt; std::hex &gt;&gt; seg_start<span class="Delimiter">;</span>
<span id="L165" class="LineNr">165 </span>          <a href='011run.cc.html#L219'>sanity_check_program_segment</a><span class="Delimiter">(</span>out<span class="Delimiter">,</span> seg_start<span class="Delimiter">);</span>
<span id="L166" class="LineNr">166 </span>          out<span class="Delimiter">.</span><a href='011run.cc.html#L106'>segments</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>segment<span class="Delimiter">());</span>
<span id="L167" class="LineNr">167 </span>          curr_segment = &amp;out<span class="Delimiter">.</span><a href='011run.cc.html#L106'>segments</a><span class="Delimiter">.</span>back<span class="Delimiter">();</span>
<span id="L168" class="LineNr">168 </span>          curr_segment<span class="Delimiter">-&gt;</span><a href='011run.cc.html#L111'>name</a> = segment_name<span class="Delimiter">;</span>
<span id="L169" class="LineNr">169 </span>          curr_segment<span class="Delimiter">-&gt;</span>start = seg_start<span class="Delimiter">;</span>
<span id="L170" class="LineNr">170 </span>          <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L262'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L171" class="LineNr">171 </span>          <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span><span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;starts at address 0x&quot;</span> &lt;&lt; <a href='010vm.cc.html#L408'>HEXWORD</a> &lt;&lt; curr_segment<span class="Delimiter">-&gt;</span>start &lt;&lt; end<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 class="Comment">// skip rest of line</span>
<span id="L174" class="LineNr">174 </span>      <span class="Delimiter">}</span>
<span id="L175" class="LineNr">175 </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="L176" class="LineNr">176 </span>        <span class="Comment">// todo: line metadata</span>
<span id="L177" class="LineNr">177 </span>        <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L178" class="LineNr">178 </span>      <span class="Delimiter">}</span>
<span id="L179" class="LineNr">179 </span>      curr<span class="Delimiter">.</span><a href='011run.cc.html#L122'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='011run.cc.html#L127'>word</a><span class="Delimiter">());</span>
<span id="L180" class="LineNr">180 </span>      <a href='011run.cc.html#L209'>parse_word</a><span class="Delimiter">(</span>word_data<span class="Delimiter">,</span> curr<span class="Delimiter">.</span><a href='011run.cc.html#L122'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">());</span>
<span id="L181" class="LineNr">181 </span>      <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;word: &quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>curr<span class="Delimiter">.</span><a href='011run.cc.html#L122'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">());</span>
<span id="L182" class="LineNr">182 </span>    <span class="Delimiter">}</span>
<span id="L183" class="LineNr">183 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!curr<span class="Delimiter">.</span><a href='011run.cc.html#L122'>words</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span>
<span id="L184" class="LineNr">184 </span>      l<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>curr<span class="Delimiter">);</span>
<span id="L185" class="LineNr">185 </span>  <span class="Delimiter">}</span>
<span id="L186" class="LineNr">186 </span>  <a href='011run.cc.html#L198'>flush</a><span class="Delimiter">(</span>curr_segment<span class="Delimiter">,</span> l<span class="Delimiter">);</span>
<span id="L187" class="LineNr">187 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;done&quot;</span> &lt;&lt; end<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>segment* find<span class="Delimiter">(</span>program&amp; p<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; segment_name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L191" class="LineNr">191 </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 &lt; <a href='001help.cc.html#L168'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L106'>segments</a><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L192" class="LineNr">192 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L106'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span><a href='011run.cc.html#L111'>name</a> == segment_name<span class="Delimiter">)</span>
<span id="L193" class="LineNr">193 </span>      <span class="Identifier">return</span> &amp;p<span class="Delimiter">.</span><a href='011run.cc.html#L106'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L194" class="LineNr">194 </span>  <span class="Delimiter">}</span>
<span id="L195" class="LineNr">195 </span>  <span class="Identifier">return</span> <span class="Constant">NULL</span><span class="Delimiter">;</span>
<span id="L196" class="LineNr">196 </span><span class="Delimiter">}</span>
<span id="L197" class="LineNr">197 </span>
<span id="L198" class="LineNr">198 </span><span class="Normal">void</span> <a href='011run.cc.html#L198'>flush</a><span class="Delimiter">(</span>segment* s<span class="Delimiter">,</span> vector&lt;line&gt;&amp; <a href='011run.cc.html#L113'>lines</a><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L199" class="LineNr">199 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='011run.cc.html#L113'>lines</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L200" class="LineNr">200 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>s == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L201" class="LineNr">201 </span>    <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;input does not start with a '==' section header</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L202" class="LineNr">202 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L203" class="LineNr">203 </span>  <span class="Delimiter">}</span>
<span id="L204" class="LineNr">204 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span><span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">&quot;parse&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;flushing segment&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L205" class="LineNr">205 </span>  s<span class="Delimiter">-&gt;</span><a href='011run.cc.html#L113'>lines</a><span class="Delimiter">.</span>insert<span class="Delimiter">(</span>s<span class="Delimiter">-&gt;</span><a href='011run.cc.html#L113'>lines</a><span class="Delimiter">.</span>end<span class="Delimiter">(),</span> <a href='011run.cc.html#L113'>lines</a><span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> <a href='011run.cc.html#L113'>lines</a><span class="Delimiter">.</span>end<span class="Delimiter">());</span>
<span id="L206" class="LineNr">206 </span>  <a href='011run.cc.html#L113'>lines</a><span class="Delimiter">.</span>clear<span class="Delimiter">();</span>
<span id="L207" class="LineNr">207 </span><span class="Delimiter">}</span>
<span id="L208" class="LineNr">208 </span>
<span id="L209" class="LineNr">209 </span><span class="Normal">void</span> <a href='011run.cc.html#L209'>parse_word</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; data<span class="Delimiter">,</span> word&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L210" class="LineNr">210 </span>  out<span class="Delimiter">.</span>original = data<span class="Delimiter">;</span>
<span id="L211" class="LineNr">211 </span>  istringstream win<span class="Delimiter">(</span>data<span class="Delimiter">);</span>
<span id="L212" class="LineNr">212 </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="L213" class="LineNr">213 </span>    string m<span class="Delimiter">;</span>
<span id="L214" class="LineNr">214 </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="L215" class="LineNr">215 </span>      out<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>m<span class="Delimiter">);</span>
<span id="L216" class="LineNr">216 </span>  <span class="Delimiter">}</span>
<span id="L217" class="LineNr">217 </span><span class="Delimiter">}</span>
<span id="L218" class="LineNr">218 </span>
<span id="L219" class="LineNr">219 </span><span class="Normal">void</span> <a href='011run.cc.html#L219'>sanity_check_program_segment</a><span class="Delimiter">(</span><span class="Normal">const</span> program&amp; p<span class="Delimiter">,</span> <span class="Normal">uint32_t</span> addr<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L220" class="LineNr">220 </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 &lt; <a href='001help.cc.html#L168'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L106'>segments</a><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L221" class="LineNr">221 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L106'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>start == addr<span class="Delimiter">)</span>
<span id="L222" class="LineNr">222 </span>      <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;can't have multiple segments starting at address 0x&quot;</span> &lt;&lt; HEXWORD &lt;&lt; addr &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L223" class="LineNr">223 </span>  <span class="Delimiter">}</span>
<span id="L224" class="LineNr">224 </span><span class="Delimiter">}</span>
<span id="L225" class="LineNr">225 </span>
<span id="L226" class="LineNr">226 </span><span class="Comment">// helper for tests</span>
<span id="L227" class="LineNr">227 </span><span class="Normal">void</span> parse<span class="Delimiter">(</span><span class="Normal">const</span> string&amp; text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L228" class="LineNr">228 </span>  program p<span class="Delimiter">;</span>
<span id="L229" class="LineNr">229 </span>  istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span>
<span id="L230" class="LineNr">230 </span>  parse<span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span>
<span id="L231" class="LineNr">231 </span><span class="Delimiter">}</span>
<span id="L232" class="LineNr">232 </span>
<span id="L233" class="LineNr">233 </span><span class="Normal">void</span> <a href='011run.cc.html#L233'>test_detect_duplicate_segments</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L234" class="LineNr">234 </span>  Hide_errors = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L235" class="LineNr">235 </span>  parse<span class="Delimiter">(</span>
<span id="L236" class="LineNr">236 </span>      <span class="Constant">&quot;== segment1 0xee</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L237" class="LineNr">237 </span>      <span class="Constant">&quot;ab</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L238" class="LineNr">238 </span>      <span class="Constant">&quot;== segment2 0xee</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L239" class="LineNr">239 </span>      <span class="Constant">&quot;cd</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L240" class="LineNr">240 </span>  <span class="Delimiter">);</span>
<span id="L241" class="LineNr">241 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L242" class="LineNr">242 </span>      <span class="Constant">&quot;error: can't have multiple segments starting at address 0x000000ee</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L243" class="LineNr">243 </span>  <span class="Delimiter">);</span>
<span id="L244" class="LineNr">244 </span><span class="Delimiter">}</span>
<span id="L245" class="LineNr">245 </span>
<span id="L246" class="LineNr">246 </span><span class="Comment">//:: load</span>
<span id="L247" class="LineNr">247 </span>
<span id="L248" class="LineNr">248 </span><span class="Normal">void</span> <a href='011run.cc.html#L248'>load</a><span class="Delimiter">(</span><span class="Normal">const</span> program&amp; p<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L249" class="LineNr">249 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>find<span class="Delimiter">(</span>p<span class="Delimiter">,</span> <span class="Constant">&quot;code&quot;</span><span class="Delimiter">)</span> == <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L250" class="LineNr">250 </span>    <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;no code to <a href='011run.cc.html#L82'>run</a></span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L251" class="LineNr">251 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L252" class="LineNr">252 </span>  <span class="Delimiter">}</span>
<span id="L253" class="LineNr">253 </span>  <span class="Comment">// Ensure segments are disjoint.</span>
<span id="L254" class="LineNr">254 </span>  set&lt;<span class="Normal">uint32_t</span>&gt; overlap<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 &lt; <a href='001help.cc.html#L168'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L106'>segments</a><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L256" class="LineNr">256 </span>    <span class="Normal">const</span> segment&amp; seg = p<span class="Delimiter">.</span><a href='011run.cc.html#L106'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L257" class="LineNr">257 </span>    <span class="Normal">uint32_t</span> addr = seg<span class="Delimiter">.</span>start<span class="Delimiter">;</span>
<span id="L258" class="LineNr">258 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!already_allocated<span class="Delimiter">(</span>addr<span class="Delimiter">))</span>
<span id="L259" class="LineNr">259 </span>      <a href='010vm.cc.html#L163'>Mem</a><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="L260" class="LineNr">260 </span>    <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;loading segment &quot;</span> &lt;&lt; i &lt;&lt; <span class="Constant">&quot; from &quot;</span> &lt;&lt; <a href='010vm.cc.html#L408'>HEXWORD</a> &lt;&lt; addr &lt;&lt; end<span class="Delimiter">();</span>
<span id="L261" class="LineNr">261 </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 &lt; <a href='001help.cc.html#L168'>SIZE</a><span class="Delimiter">(</span>seg<span class="Delimiter">.</span><a href='011run.cc.html#L113'>lines</a><span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L262" class="LineNr">262 </span>      <span class="Normal">const</span> line&amp; l = seg<span class="Delimiter">.</span><a href='011run.cc.html#L113'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">);</span>
<span id="L263" class="LineNr">263 </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 &lt; <a href='001help.cc.html#L168'>SIZE</a><span class="Delimiter">(</span>l<span class="Delimiter">.</span><a href='011run.cc.html#L122'>words</a><span class="Delimiter">);</span>  ++k<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L264" class="LineNr">264 </span>        <span class="Normal">const</span> word&amp; w = l<span class="Delimiter">.</span><a href='011run.cc.html#L122'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>k<span class="Delimiter">);</span>
<span id="L265" class="LineNr">265 </span>        <span class="Normal">uint8_t</span> val = <a href='011run.cc.html#L288'>hex_byte</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">);</span>
<span id="L266" class="LineNr">266 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L262'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L267" class="LineNr">267 </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="L268" class="LineNr">268 </span>        <a href='010vm.cc.html#L244'>write_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">,</span> val<span class="Delimiter">);</span>
<span id="L269" class="LineNr">269 </span>        overlap<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>addr<span class="Delimiter">);</span>
<span id="L270" class="LineNr">270 </span>        <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">&quot;load&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;0x&quot;</span> &lt;&lt; <a href='010vm.cc.html#L408'>HEXWORD</a> &lt;&lt; addr &lt;&lt; <span class="Constant">&quot; -&gt; &quot;</span> &lt;&lt; <a href='010vm.cc.html#L407'>HEXBYTE</a> &lt;&lt; <a href='010vm.cc.html#L410'>NUM</a><span class="Delimiter">(</span><a href='010vm.cc.html#L174'>read_mem_u8</a><span class="Delimiter">(</span>addr<span class="Delimiter">))</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L271" class="LineNr">271 </span>        ++addr<span class="Delimiter">;</span>
<span id="L272" class="LineNr">272 </span>      <span class="Delimiter">}</span>
<span id="L273" class="LineNr">273 </span>    <span class="Delimiter">}</span>
<span id="L274" class="LineNr">274 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>seg<span class="Delimiter">.</span><a href='011run.cc.html#L111'>name</a> == <span class="Constant">&quot;code&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L275" class="LineNr">275 </span>      <a href='010vm.cc.html#L166'>End_of_program</a> = addr<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 class="Delimiter">}</span>
<span id="L279" class="LineNr">279 </span>
<span id="L280" class="LineNr">280 </span><span class="Normal">const</span> segment* find<span class="Delimiter">(</span><span class="Normal">const</span> program&amp; p<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; segment_name<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L281" class="LineNr">281 </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 &lt; <a href='001help.cc.html#L168'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L106'>segments</a><span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L282" class="LineNr">282 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L106'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span><a href='011run.cc.html#L111'>name</a> == segment_name<span class="Delimiter">)</span>
<span id="L283" class="LineNr">283 </span>      <span class="Identifier">return</span> &amp;p<span class="Delimiter">.</span><a href='011run.cc.html#L106'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<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="Constant">NULL</span><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="Normal">uint8_t</span> <a href='011run.cc.html#L288'>hex_byte</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L289" class="LineNr">289 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='011run.cc.html#L449'>contains_uppercase</a><span class="Delimiter">(</span>s<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L290" class="LineNr">290 </span>    <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;uppercase hex not allowed: &quot;</span> &lt;&lt; s &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L291" class="LineNr">291 </span>    <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L292" class="LineNr">292 </span>  <span class="Delimiter">}</span>
<span id="L293" class="LineNr">293 </span>  istringstream in<span class="Delimiter">(</span>s<span class="Delimiter">);</span>
<span id="L294" class="LineNr">294 </span>  <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L295" class="LineNr">295 </span>  in &gt;&gt; std::hex &gt;&gt; result<span class="Delimiter">;</span>
<span id="L296" class="LineNr">296 </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="L297" class="LineNr">297 </span>    <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;token '&quot;</span> &lt;&lt; s &lt;&lt; <span class="Constant">&quot;' is not a hex byte</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L298" class="LineNr">298 </span>    <span class="Identifier">return</span> <span class="cSpecial">'\0'</span><span class="Delimiter">;</span>
<span id="L299" class="LineNr">299 </span>  <span class="Delimiter">}</span>
<span id="L300" class="LineNr">300 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>result &gt; <span class="Constant">0xff</span> || result &lt; -<span class="Constant">0x8f</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L301" class="LineNr">301 </span>    <a href='003trace.cc.html#L226'>raise</a> &lt;&lt; <span class="Constant">&quot;token '&quot;</span> &lt;&lt; s &lt;&lt; <span class="Constant">&quot;' is not a hex byte</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L302" class="LineNr">302 </span>    <span class="Identifier">return</span> <span class="cSpecial">'\0'</span><span class="Delimiter">;</span>
<span id="L303" class="LineNr">303 </span>  <span class="Delimiter">}</span>
<span id="L304" class="LineNr">304 </span>  <span class="Identifier">return</span> <span class="Normal">static_cast</span>&lt;<span class="Normal">uint8_t</span>&gt;<span class="Delimiter">(</span>result<span class="Delimiter">);</span>
<span id="L305" class="LineNr">305 </span><span class="Delimiter">}</span>
<span id="L306" class="LineNr">306 </span>
<span id="L307" class="LineNr">307 </span><span class="Normal">void</span> <a href='011run.cc.html#L307'>test_number_too_large</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L308" class="LineNr">308 </span>  Hide_errors = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L309" class="LineNr">309 </span>  <a href='011run.cc.html#L397'>parse_and_load</a><span class="Delimiter">(</span>
<span id="L310" class="LineNr">310 </span>      <span class="Constant">&quot;== code 0x1</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L311" class="LineNr">311 </span>      <span class="Constant">&quot;01 cab</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L312" class="LineNr">312 </span>  <span class="Delimiter">);</span>
<span id="L313" class="LineNr">313 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L314" class="LineNr">314 </span>      <span class="Constant">&quot;error: token 'cab' is not a hex byte</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L315" class="LineNr">315 </span>  <span class="Delimiter">);</span>
<span id="L316" class="LineNr">316 </span><span class="Delimiter">}</span>
<span id="L317" class="LineNr">317 </span>
<span id="L318" class="LineNr">318 </span><span class="Normal">void</span> <a href='011run.cc.html#L318'>test_invalid_hex</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L319" class="LineNr">319 </span>  Hide_errors = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L320" class="LineNr">320 </span>  <a href='011run.cc.html#L397'>parse_and_load</a><span class="Delimiter">(</span>
<span id="L321" class="LineNr">321 </span>      <span class="Constant">&quot;== code 0x1</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L322" class="LineNr">322 </span>      <span class="Constant">&quot;01 cx</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L323" class="LineNr">323 </span>  <span class="Delimiter">);</span>
<span id="L324" class="LineNr">324 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L325" class="LineNr">325 </span>      <span class="Constant">&quot;error: token 'cx' is not a hex byte</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L326" class="LineNr">326 </span>  <span class="Delimiter">);</span>
<span id="L327" class="LineNr">327 </span><span class="Delimiter">}</span>
<span id="L328" class="LineNr">328 </span>
<span id="L329" class="LineNr">329 </span><span class="Normal">void</span> <a href='011run.cc.html#L329'>test_negative_number</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L330" class="LineNr">330 </span>  <a href='011run.cc.html#L397'>parse_and_load</a><span class="Delimiter">(</span>
<span id="L331" class="LineNr">331 </span>      <span class="Constant">&quot;== code 0x1</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L332" class="LineNr">332 </span>      <span class="Constant">&quot;01 -02</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L333" class="LineNr">333 </span>  <span class="Delimiter">);</span>
<span id="L334" class="LineNr">334 </span>  <a href='003trace.cc.html#L294'>CHECK_TRACE_COUNT</a><span class="Delimiter">(</span><span class="Constant">&quot;error&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><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">void</span> <a href='011run.cc.html#L337'>test_negative_number_too_small</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L338" class="LineNr">338 </span>  Hide_errors = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L339" class="LineNr">339 </span>  <a href='011run.cc.html#L397'>parse_and_load</a><span class="Delimiter">(</span>
<span id="L340" class="LineNr">340 </span>      <span class="Constant">&quot;== code 0x1</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L341" class="LineNr">341 </span>      <span class="Constant">&quot;01 -12345</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L342" class="LineNr">342 </span>  <span class="Delimiter">);</span>
<span id="L343" class="LineNr">343 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L344" class="LineNr">344 </span>      <span class="Constant">&quot;error: token '-12345' is not a hex byte</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L345" class="LineNr">345 </span>  <span class="Delimiter">);</span>
<span id="L346" class="LineNr">346 </span><span class="Delimiter">}</span>
<span id="L347" class="LineNr">347 </span>
<span id="L348" class="LineNr">348 </span><span class="Normal">void</span> <a href='011run.cc.html#L348'>test_hex_prefix</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L349" class="LineNr">349 </span>  <a href='011run.cc.html#L397'>parse_and_load</a><span class="Delimiter">(</span>
<span id="L350" class="LineNr">350 </span>      <span class="Constant">&quot;== code 0x1</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L351" class="LineNr">351 </span>      <span class="Constant">&quot;0x01 -0x02</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L352" class="LineNr">352 </span>  <span class="Delimiter">);</span>
<span id="L353" class="LineNr">353 </span>  <a href='003trace.cc.html#L294'>CHECK_TRACE_COUNT</a><span class="Delimiter">(</span><span class="Constant">&quot;error&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L354" class="LineNr">354 </span><span class="Delimiter">}</span>
<span id="L355" class="LineNr">355 </span>
<span id="L356" class="LineNr">356 </span><span class="Normal">void</span> <a href='011run.cc.html#L356'>test_repeated_segment_merges_data</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L357" class="LineNr">357 </span>  <a href='011run.cc.html#L397'>parse_and_load</a><span class="Delimiter">(</span>
<span id="L358" class="LineNr">358 </span>      <span class="Constant">&quot;== code 0x1</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L359" class="LineNr">359 </span>      <span class="Constant">&quot;11 22</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L360" class="LineNr">360 </span>      <span class="Constant">&quot;== code</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>  <span class="Comment">// again</span>
<span id="L361" class="LineNr">361 </span>      <span class="Constant">&quot;33 44</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L362" class="LineNr">362 </span>  <span class="Delimiter">);</span>
<span id="L363" class="LineNr">363 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L364" class="LineNr">364 </span>      <span class="Constant">&quot;parse: new segment 'code'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L365" class="LineNr">365 </span>      <span class="Constant">&quot;parse: appending to segment 'code'</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L366" class="LineNr">366 </span>      <span class="Comment">// first segment</span>
<span id="L367" class="LineNr">367 </span>      <span class="Constant">&quot;load: 0x00000001 -&gt; 11</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L368" class="LineNr">368 </span>      <span class="Constant">&quot;load: 0x00000002 -&gt; 22</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L369" class="LineNr">369 </span>      <span class="Comment">// second segment</span>
<span id="L370" class="LineNr">370 </span>      <span class="Constant">&quot;load: 0x00000003 -&gt; 33</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L371" class="LineNr">371 </span>      <span class="Constant">&quot;load: 0x00000004 -&gt; 44</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L372" class="LineNr">372 </span>  <span class="Delimiter">);</span>
<span id="L373" class="LineNr">373 </span><span class="Delimiter">}</span>
<span id="L374" class="LineNr">374 </span>
<span id="L375" class="LineNr">375 </span><span class="Normal">void</span> <a href='011run.cc.html#L375'>test_error_on_missing_segment_header</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L376" class="LineNr">376 </span>  Hide_errors = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L377" class="LineNr">377 </span>  <a href='011run.cc.html#L397'>parse_and_load</a><span class="Delimiter">(</span>
<span id="L378" class="LineNr">378 </span>      <span class="Constant">&quot;01 02</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L379" class="LineNr">379 </span>  <span class="Delimiter">);</span>
<span id="L380" class="LineNr">380 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L381" class="LineNr">381 </span>      <span class="Constant">&quot;error: input does not start with a '==' section header</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L382" class="LineNr">382 </span>  <span class="Delimiter">);</span>
<span id="L383" class="LineNr">383 </span><span class="Delimiter">}</span>
<span id="L384" class="LineNr">384 </span>
<span id="L385" class="LineNr">385 </span><span class="Normal">void</span> <a href='011run.cc.html#L385'>test_error_on_uppercase_hex</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L386" class="LineNr">386 </span>  Hide_errors = <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L387" class="LineNr">387 </span>  <a href='011run.cc.html#L397'>parse_and_load</a><span class="Delimiter">(</span>
<span id="L388" class="LineNr">388 </span>      <span class="Constant">&quot;== code</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L389" class="LineNr">389 </span>      <span class="Constant">&quot;01 Ab</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L390" class="LineNr">390 </span>  <span class="Delimiter">);</span>
<span id="L391" class="LineNr">391 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L392" class="LineNr">392 </span>      <span class="Constant">&quot;error: uppercase hex not allowed: Ab</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L393" class="LineNr">393 </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="Comment">//: helper for tests</span>
<span id="L397" class="LineNr">397 </span><span class="Normal">void</span> <a href='011run.cc.html#L397'>parse_and_load</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L398" class="LineNr">398 </span>  program p<span class="Delimiter">;</span>
<span id="L399" class="LineNr">399 </span>  istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span>
<span id="L400" class="LineNr">400 </span>  parse<span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span>
<span id="L401" class="LineNr">401 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L262'>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="L402" class="LineNr">402 </span>  <a href='011run.cc.html#L248'>load</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span>
<span id="L403" class="LineNr">403 </span><span class="Delimiter">}</span>
<span id="L404" class="LineNr">404 </span>
<span id="L405" class="LineNr">405 </span><span class="Comment">//:: run</span>
<span id="L406" class="LineNr">406 </span>
<span id="L407" class="LineNr">407 </span><span class="Delimiter">:(before &quot;End Initialize Op Names&quot;)</span>
<span id="L408" class="LineNr">408 </span><a href='001help.cc.html#L237'>put_new</a><span class="Delimiter">(</span><a href='010vm.cc.html#L355'>Name</a><span class="Delimiter">,</span> <span class="Constant">&quot;b8&quot;</span><span class="Delimiter">,</span> <span class="Constant">&quot;copy imm32 to <a href='010vm.cc.html#L10'>EAX</a> (mov)&quot;</span><span class="Delimiter">);</span>
<span id="L409" class="LineNr">409 </span>
<span id="L410" class="LineNr">410 </span><span class="Comment">//: our first opcode</span>
<span id="L411" class="LineNr">411 </span>
<span id="L412" class="LineNr">412 </span><span class="Delimiter">:(before &quot;End Single-Byte Opcodes&quot;)</span>
<span id="L413" class="LineNr">413 </span><span class="Normal">case</span> <span class="Constant">0xb8</span>: <span class="Delimiter">{</span>  <span class="Comment">// copy imm32 to EAX</span>
<span id="L414" class="LineNr">414 </span>  <span class="Normal">const</span> <span class="Normal">int32_t</span> src = <a href='011run.cc.html#L433'>next32</a><span class="Delimiter">();</span>
<span id="L415" class="LineNr">415 </span>  <a href='003trace.cc.html#L96'>trace</a><span class="Delimiter">(</span>Callstack_depth+<span class="Constant">1</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;copy imm32 0x&quot;</span> &lt;&lt; <a href='010vm.cc.html#L408'>HEXWORD</a> &lt;&lt; src &lt;&lt; <span class="Constant">&quot; to EAX&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L416" class="LineNr">416 </span>  Reg[EAX]<span class="Delimiter">.</span>i = src<span class="Delimiter">;</span>
<span id="L417" class="LineNr">417 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L418" class="LineNr">418 </span><span class="Delimiter">}</span>
<span id="L419" class="LineNr">419 </span>
<span id="L420" class="LineNr">420 </span><span class="Delimiter">:(code)</span>
<span id="L421" class="LineNr">421 </span><span class="Normal">void</span> <a href='011run.cc.html#L421'>test_copy_imm32_to_EAX_again</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L422" class="LineNr">422 </span>  <a href='011run.cc.html#L82'>run</a><span class="Delimiter">(</span>
<span id="L423" class="LineNr">423 </span>      <span class="Constant">&quot;== code 0x1</span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>  <span class="Comment">// code segment</span>
<span id="L424" class="LineNr">424 </span>      <span class="Comment">// op     ModR/M  SIB   displacement  immediate</span>
<span id="L425" class="LineNr">425 </span>      <span class="Constant">&quot;  b8                                 0a 0b 0c 0d </span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>  <span class="Comment">// copy 0x0d0c0b0a to EAX</span>
<span id="L426" class="LineNr">426 </span>  <span class="Delimiter">);</span>
<span id="L427" class="LineNr">427 </span>  <a href='003trace.cc.html#L290'>CHECK_TRACE_CONTENTS</a><span class="Delimiter">(</span>
<span id="L428" class="LineNr">428 </span>      <span class="Constant">&quot;run: copy imm32 0x0d0c0b0a to <a href='010vm.cc.html#L10'>EAX</a></span><span class="cSpecial">\n</span><span class="Constant">&quot;</span>
<span id="L429" class="LineNr">429 </span>  <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><span class="Comment">// read a 32-bit int in little-endian order from the instruction stream</span>
<span id="L433" class="LineNr">433 </span><span class="Normal">int32_t</span> <a href='011run.cc.html#L433'>next32</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L434" class="LineNr">434 </span>  <span class="Normal">int32_t</span> result = <a href='010vm.cc.html#L185'>read_mem_i32</a><span class="Delimiter">(</span><a href='010vm.cc.html#L26'>EIP</a><span class="Delimiter">);</span>
<span id="L435" class="LineNr">435 </span>  EIP+=<span class="Constant">4</span><span class="Delimiter">;</span>
<span id="L436" class="LineNr">436 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L437" class="LineNr">437 </span><span class="Delimiter">}</span>
<span id="L438" class="LineNr">438 </span>
<span id="L439" class="LineNr">439 </span><span class="Comment">//:: helpers</span>
<span id="L440" class="LineNr">440 </span>
<span id="L441" class="LineNr">441 </span>string to_string<span class="Delimiter">(</span><span class="Normal">const</span> word&amp; w<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L442" class="LineNr">442 </span>  ostringstream out<span class="Delimiter">;</span>
<span id="L443" class="LineNr">443 </span>  out &lt;&lt; w<span class="Delimiter">.</span>data<span class="Delimiter">;</span>
<span id="L444" class="LineNr">444 </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 &lt; <a href='001help.cc.html#L168'>SIZE</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>metadata<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L445" class="LineNr">445 </span>    out &lt;&lt; <span class="Constant">&quot; /&quot;</span> &lt;&lt; w<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L446" class="LineNr">446 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span id="L447" class="LineNr">447 </span><span class="Delimiter">}</span>
<span id="L448" class="LineNr">448 </span>
<span id="L449" class="LineNr">449 </span><span class="Normal">bool</span> <a href='011run.cc.html#L449'>contains_uppercase</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<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 &lt; <a href='001help.cc.html#L168'>SIZE</a><span class="Delimiter">(</span>s<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L451" class="LineNr">451 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>isupper<span class="Delimiter">(</span>s<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">return</span> <span class="Constant">true</span><span class="Delimiter">;</span>
<span id="L452" class="LineNr">452 </span>  <span class="Identifier">return</span> <span class="Constant">false</span><span class="Delimiter">;</span>
<span id="L453" class="LineNr">453 </span><span class="Delimiter">}</span>
</pre>
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