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<title>Mu - linux/survey_baremetal.subx</title>
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<a href='https://github.com/akkartik/mu/blob/main/linux/survey_baremetal.subx'>https://github.com/akkartik/mu/blob/main/linux/survey_baremetal.subx</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">   1 </span><span class="subxComment"># Assign addresses (co-ordinates) to instructions (landmarks) in a program</span>
<span id="L2" class="LineNr">   2 </span><span class="subxComment"># (landscape).</span>
<span id="L3" class="LineNr">   3 </span><span class="subxComment">#</span>
<span id="L4" class="LineNr">   4 </span><span class="subxComment"># To build:</span>
<span id="L5" class="LineNr">   5 </span><span class="subxComment">#   $ bootstrap/bootstrap translate [01]*.subx subx-params.subx survey_baremetal.subx  -o survey_baremetal</span>
<span id="L6" class="LineNr">   6 </span><span class="subxComment">#</span>
<span id="L7" class="LineNr">   7 </span><span class="subxComment"># The expected input is a stream of bytes and some interspersed labels.</span>
<span id="L8" class="LineNr">   8 </span><span class="subxComment"># Comments and '==' segment headers are allowed, but names are ignored. The</span>
<span id="L9" class="LineNr">   9 </span><span class="subxComment"># emitted code will all lie in a single contiguous address range starting at</span>
<span id="L10" class="LineNr">  10 </span><span class="subxComment"># address 0x7c00. Addresses in segment headers are optional. If provided, this</span>
<span id="L11" class="LineNr">  11 </span><span class="subxComment"># program will insert padding in the output until the desired address is</span>
<span id="L12" class="LineNr">  12 </span><span class="subxComment"># reached.</span>
<span id="L13" class="LineNr">  13 </span><span class="subxComment">#</span>
<span id="L14" class="LineNr">  14 </span><span class="subxComment">#   $ cat x</span>
<span id="L15" class="LineNr">  15 </span><span class="subxComment">#   == code</span>
<span id="L16" class="LineNr">  16 </span><span class="subxComment">#   l1:</span>
<span id="L17" class="LineNr">  17 </span><span class="subxComment">#   aa bb l1/imm8</span>
<span id="L18" class="LineNr">  18 </span><span class="subxComment">#   cc dd l2/disp32</span>
<span id="L19" class="LineNr">  19 </span><span class="subxComment">#   l2:</span>
<span id="L20" class="LineNr">  20 </span><span class="subxComment">#   ee foo/imm32</span>
<span id="L21" class="LineNr">  21 </span><span class="subxComment">#   == data 0x7c10</span>
<span id="L22" class="LineNr">  22 </span><span class="subxComment">#   foo:</span>
<span id="L23" class="LineNr">  23 </span><span class="subxComment">#     34</span>
<span id="L24" class="LineNr">  24 </span><span class="subxComment">#</span>
<span id="L25" class="LineNr">  25 </span><span class="subxComment"># The output is a list of labels and their computed addresses.</span>
<span id="L26" class="LineNr">  26 </span><span class="subxComment">#</span>
<span id="L27" class="LineNr">  27 </span><span class="subxComment">#   $ cat x  |bootstrap/bootstrap run survey_baremetal</span>
<span id="L28" class="LineNr">  28 </span><span class="subxComment">#   0x7c00 l1</span>
<span id="L29" class="LineNr">  29 </span><span class="subxComment">#   0x7c09 l2</span>
<span id="L30" class="LineNr">  30 </span><span class="subxComment">#   0x7c10 foo</span>
<span id="L31" class="LineNr">  31 </span>
<span id="L32" class="LineNr">  32 </span>== code
<span id="L33" class="LineNr">  33 </span><span class="subxComment">#   instruction                     effective address                                                   register    displacement    immediate</span>
<span id="L34" class="LineNr">  34 </span><span class="subxS1Comment"># . op          subop               mod             rm32          base        index         scale       r32</span>
<span id="L35" class="LineNr">  35 </span><span class="subxS1Comment"># . 1-3 bytes   3 bits              2 bits          3 bits        3 bits      3 bits        2 bits      2 bits      0/1/2/4 bytes   0/1/2/4 bytes</span>
<span id="L36" class="LineNr">  36 </span>
<span id="L37" class="LineNr">  37 </span><span class="SpecialChar">Entry</span>:  <span class="subxComment"># run tests if necessary, convert stdin if not</span>
<span id="L38" class="LineNr">  38 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L39" class="LineNr">  39 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
<span id="L40" class="LineNr">  40 </span>
<span id="L41" class="LineNr">  41 </span>    <span class="subxComment"># Heap = new-segment(Heap-size)</span>
<span id="L42" class="LineNr">  42 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L43" class="LineNr">  43 </span>    68/push  <span class="SpecialChar"><a href='120allocate.subx.html#L27'>Heap</a></span>/imm32
<span id="L44" class="LineNr">  44 </span>    ff          6/subop/push        0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          <span class="SpecialChar"><a href='120allocate.subx.html#L34'>Heap-size</a></span>/disp32                  <span class="subxComment"># push *Heap-size</span>
<span id="L45" class="LineNr">  45 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L46" class="LineNr">  46 </span>    e8/call  <a href='104new-segment.subx.html#L40'>new-segment</a>/disp32
<span id="L47" class="LineNr">  47 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L48" class="LineNr">  48 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L49" class="LineNr">  49 </span>    <span class="subxComment"># initialize-trace-stream(Trace-size)</span>
<span id="L50" class="LineNr">  50 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L51" class="LineNr">  51 </span>    ff          6/subop/push        0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          <span class="SpecialChar">Trace-size</span>/disp32                 <span class="subxComment"># push *Heap-size</span>
<span id="L52" class="LineNr">  52 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L53" class="LineNr">  53 </span>    e8/call  <a href='107trace.subx.html#L43'>initialize-trace-stream</a>/disp32
<span id="L54" class="LineNr">  54 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L55" class="LineNr">  55 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L56" class="LineNr">  56 </span>
<span id="L57" class="LineNr">  57 </span>    <span class="subxH1Comment"># - if argc &gt; 1 and argv[1] == &quot;test&quot;, then return run_tests()</span>
<span id="L58" class="LineNr">  58 </span>    <span class="subxComment"># if (argc &lt;= 1) goto interactive</span>
<span id="L59" class="LineNr">  59 </span>    81          7/subop/compare     1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0/disp8         1/imm32           <span class="subxComment"># compare *ebp</span>
<span id="L60" class="LineNr">  60 </span>    7e/jump-if-&lt;=  $subx-survey-main:interactive/disp8
<span id="L61" class="LineNr">  61 </span>    <span class="subxComment"># if (!kernel-string-equal?(argv[1], &quot;test&quot;)) goto interactive</span>
<span id="L62" class="LineNr">  62 </span>    <span class="subxS1Comment"># . eax = kernel-string-equal?(argv[1], &quot;test&quot;)</span>
<span id="L63" class="LineNr">  63 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L64" class="LineNr">  64 </span>    68/push  <span class="Constant">&quot;test&quot;</span>/imm32
<span id="L65" class="LineNr">  65 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
<span id="L66" class="LineNr">  66 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L67" class="LineNr">  67 </span>    e8/call  <a href='103kernel-string-equal.subx.html#L31'>kernel-string-equal?</a>/disp32
<span id="L68" class="LineNr">  68 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L69" class="LineNr">  69 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L70" class="LineNr">  70 </span>    <span class="subxS1Comment"># . if (eax == false) goto interactive</span>
<span id="L71" class="LineNr">  71 </span>    3d/compare-eax-and  0/imm32/false
<span id="L72" class="LineNr">  72 </span>    74/jump-if-=  $subx-survey-main:interactive/disp8
<span id="L73" class="LineNr">  73 </span>    <span class="subxComment"># run-tests()</span>
<span id="L74" class="LineNr">  74 </span>    e8/call  run-tests/disp32
<span id="L75" class="LineNr">  75 </span>    <span class="subxComment"># syscall(exit, *Num-test-failures)</span>
<span id="L76" class="LineNr">  76 </span>    8b/copy                         0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>          3/r32/ebx   <span class="SpecialChar"><a href='102test.subx.html#L89'>Num-test-failures</a></span>/disp32          <span class="subxComment"># copy *Num-test-failures to ebx</span>
<span id="L77" class="LineNr">  77 </span>    eb/jump  $subx-survey-main:end/disp8
<span id="L78" class="LineNr">  78 </span><span class="Constant">$subx-survey-main:interactive</span>:
<span id="L79" class="LineNr">  79 </span>    <span class="subxH1Comment"># - otherwise convert stdin</span>
<span id="L80" class="LineNr">  80 </span>    <span class="subxComment"># subx-survey(Stdin, Stdout)</span>
<span id="L81" class="LineNr">  81 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L82" class="LineNr">  82 </span>    68/push  <span class="SpecialChar"><a href='115write-byte.subx.html#L10'>Stdout</a></span>/imm32
<span id="L83" class="LineNr">  83 </span>    68/push  <span class="SpecialChar"><a href='112read-byte.subx.html#L14'>Stdin</a></span>/imm32
<span id="L84" class="LineNr">  84 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L85" class="LineNr">  85 </span>    e8/call  <a href='survey_baremetal.subx.html#L101'>subx-survey</a>/disp32
<span id="L86" class="LineNr">  86 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L87" class="LineNr">  87 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L88" class="LineNr">  88 </span><span class="CommentedCode">#?     # . write-stream(2/stderr, Trace-stream)</span>
<span id="L89" class="LineNr">  89 </span><span class="CommentedCode">#?     # . . push args</span>
<span id="L90" class="LineNr">  90 </span><span class="CommentedCode">#?     ff          6/subop/push        0/mod/indirect  5/rm32/.disp32            .             .           .           Trace-stream/disp32               # push *Trace-stream</span>
<span id="L91" class="LineNr">  91 </span><span class="CommentedCode">#?     68/push  2/imm32/stderr</span>
<span id="L92" class="LineNr">  92 </span><span class="CommentedCode">#?     # . . call</span>
<span id="L93" class="LineNr">  93 </span><span class="CommentedCode">#?     e8/call  write-stream/disp32</span>
<span id="L94" class="LineNr">  94 </span><span class="CommentedCode">#?     # . . discard args</span>
<span id="L95" class="LineNr">  95 </span><span class="CommentedCode">#?     81          0/subop/add         3/mod/direct    4/rm32/esp    .           .             .           .           .               8/imm32           # add to esp</span>
<span id="L96" class="LineNr">  96 </span>    <span class="subxComment"># syscall(exit, 0)</span>
<span id="L97" class="LineNr">  97 </span>    bb/copy-to-ebx  0/imm32
<span id="L98" class="LineNr">  98 </span><span class="Constant">$subx-survey-main:end</span>:
<span id="L99" class="LineNr">  99 </span>    e8/call  <a href='000init.subx.html#L18'>syscall_exit</a>/disp32
<span id="L100" class="LineNr"> 100 </span>
<span id="L101" class="LineNr"> 101 </span><span class="subxFunction">subx-survey</span>:  <span class="subxComment"># infile: (addr buffered-file), out: (addr buffered-file)</span>
<span id="L102" class="LineNr"> 102 </span>    <span class="subxComment"># pseudocode</span>
<span id="L103" class="LineNr"> 103 </span>    <span class="subxComment">#   var in: (stream byte Input-size)</span>
<span id="L104" class="LineNr"> 104 </span>    <span class="subxComment">#   slurp(infile, in)</span>
<span id="L105" class="LineNr"> 105 </span>    <span class="subxComment">#   var labels: (stream {label-name, address} Max-labels)</span>
<span id="L106" class="LineNr"> 106 </span>    <span class="subxComment">#   compute-addresses(in, labels)</span>
<span id="L107" class="LineNr"> 107 </span>    <span class="subxComment">#   emit-labels(out, labels)</span>
<span id="L108" class="LineNr"> 108 </span>    <span class="subxComment">#</span>
<span id="L109" class="LineNr"> 109 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L110" class="LineNr"> 110 </span>    55/push-ebp
<span id="L111" class="LineNr"> 111 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
<span id="L112" class="LineNr"> 112 </span>    <span class="subxS1Comment"># . save registers</span>
<span id="L113" class="LineNr"> 113 </span>    51/push-ecx
<span id="L114" class="LineNr"> 114 </span>    52/push-edx
<span id="L115" class="LineNr"> 115 </span>    56/push-esi
<span id="L116" class="LineNr"> 116 </span>    <span class="subxComment"># var labels/edx: (stream {label-name, address} Max-labels)</span>
<span id="L117" class="LineNr"> 117 </span>    <span class="subxComment"># (we get more rows than Max-labels advertises because row size is smaller than in survey_elf)</span>
<span id="L118" class="LineNr"> 118 </span>    <span class="subxS1Comment"># . data</span>
<span id="L119" class="LineNr"> 119 </span>    2b/subtract                     0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp   <span class="SpecialChar">Max-labels</span>/disp32                 <span class="subxComment"># subtract *Max-labels from esp</span>
<span id="L120" class="LineNr"> 120 </span>    <span class="subxS1Comment"># . size</span>
<span id="L121" class="LineNr"> 121 </span>    ff          6/subop/push        0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          <span class="SpecialChar">Max-labels</span>/disp32                 <span class="subxComment"># push *Max-labels</span>
<span id="L122" class="LineNr"> 122 </span>    <span class="subxS1Comment"># . read</span>
<span id="L123" class="LineNr"> 123 </span>    68/push  0/imm32/read
<span id="L124" class="LineNr"> 124 </span>    <span class="subxS1Comment"># . write</span>
<span id="L125" class="LineNr"> 125 </span>    68/push  0/imm32/write
<span id="L126" class="LineNr"> 126 </span>    89/copy                         3/mod/direct    2/rm32/edx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to edx</span>
<span id="L127" class="LineNr"> 127 </span>    <span class="subxComment"># var in/esi: (stream byte Input-size)</span>
<span id="L128" class="LineNr"> 128 </span>    <span class="subxS1Comment"># . data</span>
<span id="L129" class="LineNr"> 129 </span>    2b/subtract                     0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp   <span class="SpecialChar">Input-size</span>/disp32                 <span class="subxComment"># subtract *Input-size from esp</span>
<span id="L130" class="LineNr"> 130 </span>    <span class="subxS1Comment"># . size</span>
<span id="L131" class="LineNr"> 131 </span>    ff          6/subop/push        0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          <span class="SpecialChar">Input-size</span>/disp32                 <span class="subxComment"># push *Input-size</span>
<span id="L132" class="LineNr"> 132 </span>    <span class="subxS1Comment"># . read</span>
<span id="L133" class="LineNr"> 133 </span>    68/push  0/imm32/read
<span id="L134" class="LineNr"> 134 </span>    <span class="subxS1Comment"># . write</span>
<span id="L135" class="LineNr"> 135 </span>    68/push  0/imm32/write
<span id="L136" class="LineNr"> 136 </span>    89/copy                         3/mod/direct    6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to esi</span>
<span id="L137" class="LineNr"> 137 </span>    <span class="subxComment"># slurp(infile, in)</span>
<span id="L138" class="LineNr"> 138 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L139" class="LineNr"> 139 </span>    56/push-esi
<span id="L140" class="LineNr"> 140 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
<span id="L141" class="LineNr"> 141 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L142" class="LineNr"> 142 </span>    e8/call  <a href='132slurp.subx.html#L8'>slurp</a>/disp32
<span id="L143" class="LineNr"> 143 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L144" class="LineNr"> 144 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L145" class="LineNr"> 145 </span>    <span class="subxComment"># compute-addresses(in, labels)</span>
<span id="L146" class="LineNr"> 146 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L147" class="LineNr"> 147 </span>    52/push-edx
<span id="L148" class="LineNr"> 148 </span>    56/push-esi
<span id="L149" class="LineNr"> 149 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L150" class="LineNr"> 150 </span>    e8/call  <a href='survey_baremetal.subx.html#L446'>compute-addresses</a>/disp32
<span id="L151" class="LineNr"> 151 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L152" class="LineNr"> 152 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L153" class="LineNr"> 153 </span>    <span class="subxComment"># emit-labels(out, labels)</span>
<span id="L154" class="LineNr"> 154 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L155" class="LineNr"> 155 </span>    52/push-edx
<span id="L156" class="LineNr"> 156 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+12)</span>
<span id="L157" class="LineNr"> 157 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L158" class="LineNr"> 158 </span>    e8/call  <a href='survey_baremetal.subx.html#L922'>emit-labels</a>/disp32
<span id="L159" class="LineNr"> 159 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L160" class="LineNr"> 160 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L161" class="LineNr"> 161 </span>    <span class="subxComment"># flush(out)</span>
<span id="L162" class="LineNr"> 162 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L163" class="LineNr"> 163 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+12)</span>
<span id="L164" class="LineNr"> 164 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L165" class="LineNr"> 165 </span>    e8/call  <a href='115write-byte.subx.html#L81'>flush</a>/disp32
<span id="L166" class="LineNr"> 166 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L167" class="LineNr"> 167 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L168" class="LineNr"> 168 </span><span class="Constant">$subx-survey:end</span>:
<span id="L169" class="LineNr"> 169 </span>    <span class="subxS1Comment"># . reclaim locals</span>
<span id="L170" class="LineNr"> 170 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0x18/imm32        <span class="subxComment"># add to esp</span>
<span id="L171" class="LineNr"> 171 </span>    03/add                          0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp   <span class="SpecialChar">Max-labels</span>/disp32                 <span class="subxComment"># add *Max-labels to esp</span>
<span id="L172" class="LineNr"> 172 </span>    03/add                          0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp   <span class="SpecialChar">Input-size</span>/disp32                 <span class="subxComment"># add *Input-size to esp</span>
<span id="L173" class="LineNr"> 173 </span>    <span class="subxS1Comment"># . restore registers</span>
<span id="L174" class="LineNr"> 174 </span>    5e/pop-to-esi
<span id="L175" class="LineNr"> 175 </span>    5a/pop-to-edx
<span id="L176" class="LineNr"> 176 </span>    59/pop-to-ecx
<span id="L177" class="LineNr"> 177 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L178" class="LineNr"> 178 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
<span id="L179" class="LineNr"> 179 </span>    5d/pop-to-ebp
<span id="L180" class="LineNr"> 180 </span>    c3/return
<span id="L181" class="LineNr"> 181 </span>
<span id="L182" class="LineNr"> 182 </span><span class="subxTest">test-subx-survey-computes-addresses</span>:
<span id="L183" class="LineNr"> 183 </span>    <span class="subxComment"># input:</span>
<span id="L184" class="LineNr"> 184 </span>    <span class="subxComment">#   == code</span>
<span id="L185" class="LineNr"> 185 </span>    <span class="subxComment">#   ab x/imm32</span>
<span id="L186" class="LineNr"> 186 </span>    <span class="subxComment">#   == data</span>
<span id="L187" class="LineNr"> 187 </span>    <span class="subxComment">#   x:</span>
<span id="L188" class="LineNr"> 188 </span>    <span class="subxComment">#     01</span>
<span id="L189" class="LineNr"> 189 </span>    <span class="subxComment">#</span>
<span id="L190" class="LineNr"> 190 </span>    <span class="subxComment"># trace contains (in any order):</span>
<span id="L191" class="LineNr"> 191 </span>    <span class="subxComment">#   label x is at address 0x7c05</span>
<span id="L192" class="LineNr"> 192 </span>    <span class="subxComment">#</span>
<span id="L193" class="LineNr"> 193 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L194" class="LineNr"> 194 </span>    55/push-ebp
<span id="L195" class="LineNr"> 195 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
<span id="L196" class="LineNr"> 196 </span>    <span class="subxComment"># setup</span>
<span id="L197" class="LineNr"> 197 </span>    <span class="subxS1Comment"># . clear-stream(_test-input-stream)</span>
<span id="L198" class="LineNr"> 198 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L199" class="LineNr"> 199 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L200" class="LineNr"> 200 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L201" class="LineNr"> 201 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L202" class="LineNr"> 202 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L203" class="LineNr"> 203 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L204" class="LineNr"> 204 </span>    <span class="subxS1Comment"># . clear-stream($_test-input-buffered-file-&gt;buffer)</span>
<span id="L205" class="LineNr"> 205 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L206" class="LineNr"> 206 </span>    68/push  $_test-input-buffered-file-&gt;buffer/imm32
<span id="L207" class="LineNr"> 207 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L208" class="LineNr"> 208 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L209" class="LineNr"> 209 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L210" class="LineNr"> 210 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L211" class="LineNr"> 211 </span>    <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span>
<span id="L212" class="LineNr"> 212 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L213" class="LineNr"> 213 </span>    68/push  <a href='115write-byte.subx.html#L287'>_test-output-stream</a>/imm32
<span id="L214" class="LineNr"> 214 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L215" class="LineNr"> 215 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L216" class="LineNr"> 216 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L217" class="LineNr"> 217 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L218" class="LineNr"> 218 </span>    <span class="subxS1Comment"># . clear-stream($_test-output-buffered-file-&gt;buffer)</span>
<span id="L219" class="LineNr"> 219 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L220" class="LineNr"> 220 </span>    68/push  $_test-output-buffered-file-&gt;buffer/imm32
<span id="L221" class="LineNr"> 221 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L222" class="LineNr"> 222 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L223" class="LineNr"> 223 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L224" class="LineNr"> 224 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L225" class="LineNr"> 225 </span>    <span class="subxComment"># initialize input</span>
<span id="L226" class="LineNr"> 226 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;== code\n&quot;)</span>
<span id="L227" class="LineNr"> 227 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L228" class="LineNr"> 228 </span>    68/push  <span class="Constant">&quot;== code\n&quot;</span>/imm32
<span id="L229" class="LineNr"> 229 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L230" class="LineNr"> 230 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L231" class="LineNr"> 231 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L232" class="LineNr"> 232 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L233" class="LineNr"> 233 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L234" class="LineNr"> 234 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;ab x/imm32\n&quot;)</span>
<span id="L235" class="LineNr"> 235 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L236" class="LineNr"> 236 </span>    68/push  <span class="Constant">&quot;ab x/imm32\n&quot;</span>/imm32
<span id="L237" class="LineNr"> 237 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L238" class="LineNr"> 238 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L239" class="LineNr"> 239 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L240" class="LineNr"> 240 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L241" class="LineNr"> 241 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L242" class="LineNr"> 242 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;== data\n&quot;)</span>
<span id="L243" class="LineNr"> 243 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L244" class="LineNr"> 244 </span>    68/push  <span class="Constant">&quot;== data\n&quot;</span>/imm32
<span id="L245" class="LineNr"> 245 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L246" class="LineNr"> 246 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L247" class="LineNr"> 247 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L248" class="LineNr"> 248 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L249" class="LineNr"> 249 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L250" class="LineNr"> 250 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;x:\n&quot;)</span>
<span id="L251" class="LineNr"> 251 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L252" class="LineNr"> 252 </span>    68/push  <span class="Constant">&quot;x:\n&quot;</span>/imm32
<span id="L253" class="LineNr"> 253 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L254" class="LineNr"> 254 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L255" class="LineNr"> 255 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L256" class="LineNr"> 256 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L257" class="LineNr"> 257 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L258" class="LineNr"> 258 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;01\n&quot;)</span>
<span id="L259" class="LineNr"> 259 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L260" class="LineNr"> 260 </span>    68/push  <span class="Constant">&quot;01\n&quot;</span>/imm32
<span id="L261" class="LineNr"> 261 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L262" class="LineNr"> 262 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L263" class="LineNr"> 263 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L264" class="LineNr"> 264 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L265" class="LineNr"> 265 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L266" class="LineNr"> 266 </span>    <span class="subxComment"># subx-survey(_test-input-buffered-file, _test-output-buffered-file)</span>
<span id="L267" class="LineNr"> 267 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L268" class="LineNr"> 268 </span>    68/push  <a href='115write-byte.subx.html#L425'>_test-output-buffered-file</a>/imm32
<span id="L269" class="LineNr"> 269 </span>    68/push  <a href='112read-byte.subx.html#L405'>_test-input-buffered-file</a>/imm32
<span id="L270" class="LineNr"> 270 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L271" class="LineNr"> 271 </span>    e8/call  <a href='survey_baremetal.subx.html#L101'>subx-survey</a>/disp32
<span id="L272" class="LineNr"> 272 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L273" class="LineNr"> 273 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L274" class="LineNr"> 274 </span>    <span class="subxComment"># check trace</span>
<span id="L275" class="Folded"> 275 </span><span class="Folded">+-- 26 lines: #?     # dump *Trace-stream ----------------------------------------------------------------------------------------------------------------------------------</span>
<span id="L301" class="LineNr"> 301 </span>    <span class="subxS1Comment"># . check-trace-contains(&quot;label 'x' is at address 0x00007c05.&quot;, msg)</span>
<span id="L302" class="LineNr"> 302 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L303" class="LineNr"> 303 </span>    68/push  <span class="Constant">&quot;F - <a href='survey_baremetal.subx.html#L182'>test-subx-survey-computes-addresses</a>/0&quot;</span>/imm32
<span id="L304" class="LineNr"> 304 </span>    68/push  <span class="Constant">&quot;label 'x' is at address 0x00007c05.&quot;</span>/imm32
<span id="L305" class="LineNr"> 305 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L306" class="LineNr"> 306 </span>    e8/call  <a href='107trace.subx.html#L248'>check-trace-contains</a>/disp32
<span id="L307" class="LineNr"> 307 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L308" class="LineNr"> 308 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L309" class="LineNr"> 309 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L310" class="LineNr"> 310 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
<span id="L311" class="LineNr"> 311 </span>    5d/pop-to-ebp
<span id="L312" class="LineNr"> 312 </span>    c3/return
<span id="L313" class="LineNr"> 313 </span>
<span id="L314" class="LineNr"> 314 </span><span class="subxTest">test-subx-survey-computes-addresses-with-padding</span>:
<span id="L315" class="LineNr"> 315 </span>    <span class="subxComment"># input:</span>
<span id="L316" class="LineNr"> 316 </span>    <span class="subxComment">#   == code</span>
<span id="L317" class="LineNr"> 317 </span>    <span class="subxComment">#   ab x/imm32</span>
<span id="L318" class="LineNr"> 318 </span>    <span class="subxComment">#   == data 0x7c10</span>
<span id="L319" class="LineNr"> 319 </span>    <span class="subxComment">#   x:</span>
<span id="L320" class="LineNr"> 320 </span>    <span class="subxComment">#     01</span>
<span id="L321" class="LineNr"> 321 </span>    <span class="subxComment">#</span>
<span id="L322" class="LineNr"> 322 </span>    <span class="subxComment"># trace contains (in any order):</span>
<span id="L323" class="LineNr"> 323 </span>    <span class="subxComment">#   label x is at address 0x7c10</span>
<span id="L324" class="LineNr"> 324 </span>    <span class="subxComment">#</span>
<span id="L325" class="LineNr"> 325 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L326" class="LineNr"> 326 </span>    55/push-ebp
<span id="L327" class="LineNr"> 327 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
<span id="L328" class="LineNr"> 328 </span>    <span class="subxComment"># setup</span>
<span id="L329" class="LineNr"> 329 </span>    <span class="subxS1Comment"># . clear-stream(_test-input-stream)</span>
<span id="L330" class="LineNr"> 330 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L331" class="LineNr"> 331 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L332" class="LineNr"> 332 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L333" class="LineNr"> 333 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L334" class="LineNr"> 334 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L335" class="LineNr"> 335 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L336" class="LineNr"> 336 </span>    <span class="subxS1Comment"># . clear-stream($_test-input-buffered-file-&gt;buffer)</span>
<span id="L337" class="LineNr"> 337 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L338" class="LineNr"> 338 </span>    68/push  $_test-input-buffered-file-&gt;buffer/imm32
<span id="L339" class="LineNr"> 339 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L340" class="LineNr"> 340 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L341" class="LineNr"> 341 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L342" class="LineNr"> 342 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L343" class="LineNr"> 343 </span>    <span class="subxS1Comment"># . clear-stream(_test-output-stream)</span>
<span id="L344" class="LineNr"> 344 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L345" class="LineNr"> 345 </span>    68/push  <a href='115write-byte.subx.html#L287'>_test-output-stream</a>/imm32
<span id="L346" class="LineNr"> 346 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L347" class="LineNr"> 347 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L348" class="LineNr"> 348 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L349" class="LineNr"> 349 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L350" class="LineNr"> 350 </span>    <span class="subxS1Comment"># . clear-stream($_test-output-buffered-file-&gt;buffer)</span>
<span id="L351" class="LineNr"> 351 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L352" class="LineNr"> 352 </span>    68/push  $_test-output-buffered-file-&gt;buffer/imm32
<span id="L353" class="LineNr"> 353 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L354" class="LineNr"> 354 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L355" class="LineNr"> 355 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L356" class="LineNr"> 356 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L357" class="LineNr"> 357 </span>    <span class="subxComment"># initialize input</span>
<span id="L358" class="LineNr"> 358 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;== code\n&quot;)</span>
<span id="L359" class="LineNr"> 359 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L360" class="LineNr"> 360 </span>    68/push  <span class="Constant">&quot;== code\n&quot;</span>/imm32
<span id="L361" class="LineNr"> 361 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L362" class="LineNr"> 362 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L363" class="LineNr"> 363 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L364" class="LineNr"> 364 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L365" class="LineNr"> 365 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L366" class="LineNr"> 366 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;ab x/imm32\n&quot;)</span>
<span id="L367" class="LineNr"> 367 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L368" class="LineNr"> 368 </span>    68/push  <span class="Constant">&quot;ab x/imm32\n&quot;</span>/imm32
<span id="L369" class="LineNr"> 369 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L370" class="LineNr"> 370 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L371" class="LineNr"> 371 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L372" class="LineNr"> 372 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L373" class="LineNr"> 373 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L374" class="LineNr"> 374 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;== data\n&quot;)</span>
<span id="L375" class="LineNr"> 375 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L376" class="LineNr"> 376 </span>    68/push  <span class="Constant">&quot;== data 0x7c10\n&quot;</span>/imm32
<span id="L377" class="LineNr"> 377 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L378" class="LineNr"> 378 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L379" class="LineNr"> 379 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L380" class="LineNr"> 380 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L381" class="LineNr"> 381 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L382" class="LineNr"> 382 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;x:\n&quot;)</span>
<span id="L383" class="LineNr"> 383 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L384" class="LineNr"> 384 </span>    68/push  <span class="Constant">&quot;x:\n&quot;</span>/imm32
<span id="L385" class="LineNr"> 385 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L386" class="LineNr"> 386 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L387" class="LineNr"> 387 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L388" class="LineNr"> 388 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L389" class="LineNr"> 389 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L390" class="LineNr"> 390 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;01\n&quot;)</span>
<span id="L391" class="LineNr"> 391 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L392" class="LineNr"> 392 </span>    68/push  <span class="Constant">&quot;01\n&quot;</span>/imm32
<span id="L393" class="LineNr"> 393 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L394" class="LineNr"> 394 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L395" class="LineNr"> 395 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L396" class="LineNr"> 396 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L397" class="LineNr"> 397 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L398" class="LineNr"> 398 </span>    <span class="subxComment"># subx-survey(_test-input-buffered-file, _test-output-buffered-file)</span>
<span id="L399" class="LineNr"> 399 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L400" class="LineNr"> 400 </span>    68/push  <a href='115write-byte.subx.html#L425'>_test-output-buffered-file</a>/imm32
<span id="L401" class="LineNr"> 401 </span>    68/push  <a href='112read-byte.subx.html#L405'>_test-input-buffered-file</a>/imm32
<span id="L402" class="LineNr"> 402 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L403" class="LineNr"> 403 </span>    e8/call  <a href='survey_baremetal.subx.html#L101'>subx-survey</a>/disp32
<span id="L404" class="LineNr"> 404 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L405" class="LineNr"> 405 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L406" class="LineNr"> 406 </span>    <span class="subxComment"># check trace</span>
<span id="L407" class="Folded"> 407 </span><span class="Folded">+-- 26 lines: #?     # dump *Trace-stream ----------------------------------------------------------------------------------------------------------------------------------</span>
<span id="L433" class="LineNr"> 433 </span>    <span class="subxS1Comment"># . check-trace-contains(&quot;label 'x' is at address 0x00007c10.&quot;, msg)</span>
<span id="L434" class="LineNr"> 434 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L435" class="LineNr"> 435 </span>    68/push  <span class="Constant">&quot;F - <a href='survey_baremetal.subx.html#L314'>test-subx-survey-computes-addresses-with-padding</a>/0&quot;</span>/imm32
<span id="L436" class="LineNr"> 436 </span>    68/push  <span class="Constant">&quot;label 'x' is at address 0x00007c10.&quot;</span>/imm32
<span id="L437" class="LineNr"> 437 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L438" class="LineNr"> 438 </span>    e8/call  <a href='107trace.subx.html#L248'>check-trace-contains</a>/disp32
<span id="L439" class="LineNr"> 439 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L440" class="LineNr"> 440 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L441" class="LineNr"> 441 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L442" class="LineNr"> 442 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
<span id="L443" class="LineNr"> 443 </span>    5d/pop-to-ebp
<span id="L444" class="LineNr"> 444 </span>    c3/return
<span id="L445" class="LineNr"> 445 </span>
<span id="L446" class="LineNr"> 446 </span><span class="subxFunction">compute-addresses</span>:  <span class="subxComment"># in: (addr stream byte), labels: (addr stream {(handle array byte), address})</span>
<span id="L447" class="LineNr"> 447 </span>    <span class="subxComment"># pseudocode:</span>
<span id="L448" class="LineNr"> 448 </span>    <span class="subxComment">#   var current-address = 0x7c00</span>
<span id="L449" class="LineNr"> 449 </span>    <span class="subxComment">#   var line: (stream byte 512)</span>
<span id="L450" class="LineNr"> 450 </span>    <span class="subxComment">#   while true                                  # line loop</span>
<span id="L451" class="LineNr"> 451 </span>    <span class="subxComment">#     clear-stream(line)</span>
<span id="L452" class="LineNr"> 452 </span>    <span class="subxComment">#     read-line(in, line)</span>
<span id="L453" class="LineNr"> 453 </span>    <span class="subxComment">#     if (line-&gt;write == 0) break               # end of file</span>
<span id="L454" class="LineNr"> 454 </span>    <span class="subxComment">#     while true                                # word loop</span>
<span id="L455" class="LineNr"> 455 </span>    <span class="subxComment">#       word-slice = next-word(line)</span>
<span id="L456" class="LineNr"> 456 </span>    <span class="subxComment">#       if slice-empty?(word-slice)             # end of line</span>
<span id="L457" class="LineNr"> 457 </span>    <span class="subxComment">#         break</span>
<span id="L458" class="LineNr"> 458 </span>    <span class="subxComment">#       else if slice-starts-with?(word-slice, &quot;#&quot;)  # comment</span>
<span id="L459" class="LineNr"> 459 </span>    <span class="subxComment">#         break                                 # end of line</span>
<span id="L460" class="LineNr"> 460 </span>    <span class="subxComment">#       else if slice-equal?(word-slice, &quot;==&quot;)  # segment header</span>
<span id="L461" class="LineNr"> 461 </span>    <span class="subxComment">#         word-slice = next-word(line)</span>
<span id="L462" class="LineNr"> 462 </span>    <span class="subxComment">#         if slice-empty?(word-slice)</span>
<span id="L463" class="LineNr"> 463 </span>    <span class="subxComment">#           abort</span>
<span id="L464" class="LineNr"> 464 </span>    <span class="subxComment">#         word-slice = next-word(line)  # segment address</span>
<span id="L465" class="LineNr"> 465 </span>    <span class="subxComment">#         if slice-empty?(word-slice)</span>
<span id="L466" class="LineNr"> 466 </span>    <span class="subxComment">#           goto line-loop              # segment address is optional</span>
<span id="L467" class="LineNr"> 467 </span>    <span class="subxComment">#         new-address = parse-hex-int-from-slice(word-slice)</span>
<span id="L468" class="LineNr"> 468 </span>    <span class="subxComment">#         if new-address &lt; current-address</span>
<span id="L469" class="LineNr"> 469 </span>    <span class="subxComment">#           abort</span>
<span id="L470" class="LineNr"> 470 </span>    <span class="subxComment">#         current-address = new-address</span>
<span id="L471" class="LineNr"> 471 </span>    <span class="subxComment">#       else if label?(word-slice)</span>
<span id="L472" class="LineNr"> 472 </span>    <span class="subxComment">#         strip trailing ':' from word-slice</span>
<span id="L473" class="LineNr"> 473 </span>    <span class="subxComment">#         trace(&quot;label '&quot; word-slice &quot;' is at address &quot; current-address &quot;.&quot;)</span>
<span id="L474" class="LineNr"> 474 </span>    <span class="subxComment">#         # labels occupy no space, so no need to increment offsets</span>
<span id="L475" class="LineNr"> 475 </span>    <span class="subxComment">#       else</span>
<span id="L476" class="LineNr"> 476 </span>    <span class="subxComment">#         width = compute-width-of-slice(word-slice)</span>
<span id="L477" class="LineNr"> 477 </span>    <span class="subxComment">#         current-address += width</span>
<span id="L478" class="LineNr"> 478 </span>    <span class="subxComment">#</span>
<span id="L479" class="LineNr"> 479 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L480" class="LineNr"> 480 </span>    55/push-ebp
<span id="L481" class="LineNr"> 481 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
<span id="L482" class="LineNr"> 482 </span>    <span class="subxS1Comment"># . save registers</span>
<span id="L483" class="LineNr"> 483 </span>    50/push-eax
<span id="L484" class="LineNr"> 484 </span>    51/push-ecx
<span id="L485" class="LineNr"> 485 </span>    52/push-edx
<span id="L486" class="LineNr"> 486 </span>    53/push-ebx
<span id="L487" class="LineNr"> 487 </span>    56/push-esi
<span id="L488" class="LineNr"> 488 </span>    57/push-edi
<span id="L489" class="LineNr"> 489 </span>    <span class="subxComment"># var current-address/esi: int = 0x7c00</span>
<span id="L490" class="LineNr"> 490 </span>    be/copy-to-esi  0x7c00/imm32
<span id="L491" class="LineNr"> 491 </span>    <span class="subxComment"># var line/ecx: (stream byte 512)</span>
<span id="L492" class="LineNr"> 492 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0x200/imm32       <span class="subxComment"># subtract from esp</span>
<span id="L493" class="LineNr"> 493 </span>    68/push  0x200/imm32/size
<span id="L494" class="LineNr"> 494 </span>    68/push  0/imm32/read
<span id="L495" class="LineNr"> 495 </span>    68/push  0/imm32/write
<span id="L496" class="LineNr"> 496 </span>    89/copy                         3/mod/direct    1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ecx</span>
<span id="L497" class="LineNr"> 497 </span>    <span class="subxComment"># var word-slice/edx: (addr slice)</span>
<span id="L498" class="LineNr"> 498 </span>    68/push  0/imm32
<span id="L499" class="LineNr"> 499 </span>    68/push  0/imm32
<span id="L500" class="LineNr"> 500 </span>    89/copy                         3/mod/direct    2/rm32/edx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to edx</span>
<span id="L501" class="LineNr"> 501 </span><span class="Constant">$compute-addresses:line-loop</span>:
<span id="L502" class="LineNr"> 502 </span>    <span class="subxComment"># clear-stream(line)</span>
<span id="L503" class="LineNr"> 503 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L504" class="LineNr"> 504 </span>    51/push-ecx
<span id="L505" class="LineNr"> 505 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L506" class="LineNr"> 506 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L507" class="LineNr"> 507 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L508" class="LineNr"> 508 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L509" class="LineNr"> 509 </span>    <span class="subxComment"># read-line(in, line)</span>
<span id="L510" class="LineNr"> 510 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L511" class="LineNr"> 511 </span>    51/push-ecx
<span id="L512" class="LineNr"> 512 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
<span id="L513" class="LineNr"> 513 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L514" class="LineNr"> 514 </span>    e8/call  <a href='122read-line.subx.html#L218'>read-line</a>/disp32
<span id="L515" class="LineNr"> 515 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L516" class="LineNr"> 516 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L517" class="LineNr"> 517 </span>    <span class="subxComment"># if (line-&gt;write == 0) break</span>
<span id="L518" class="LineNr"> 518 </span>    8b/copy                         0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy *ecx to eax</span>
<span id="L519" class="LineNr"> 519 </span>    3d/compare-eax-and  0/imm32
<span id="L520" class="LineNr"> 520 </span>    0f 84/jump-if-=  $compute-addresses:end/disp32
<span id="L521" class="Folded"> 521 </span><span class="Folded">+-- 33 lines: #?     # dump line -------------------------------------------------------------------------------------------------------------------------------------------</span>
<span id="L554" class="LineNr"> 554 </span><span class="Constant">$compute-addresses:word-loop</span>:
<span id="L555" class="LineNr"> 555 </span>    <span class="subxComment"># next-word(line, word-slice)</span>
<span id="L556" class="LineNr"> 556 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L557" class="LineNr"> 557 </span>    52/push-edx
<span id="L558" class="LineNr"> 558 </span>    51/push-ecx
<span id="L559" class="LineNr"> 559 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L560" class="LineNr"> 560 </span>    e8/call  <a href='127next-word.subx.html#L11'>next-word</a>/disp32
<span id="L561" class="LineNr"> 561 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L562" class="LineNr"> 562 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L563" class="LineNr"> 563 </span><span class="Constant">$compute-addresses:case-empty</span>:
<span id="L564" class="LineNr"> 564 </span>    <span class="subxComment"># if slice-empty?(word-slice) break</span>
<span id="L565" class="LineNr"> 565 </span>    <span class="subxS1Comment"># . eax = slice-empty?(word-slice)</span>
<span id="L566" class="LineNr"> 566 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L567" class="LineNr"> 567 </span>    52/push-edx
<span id="L568" class="LineNr"> 568 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L569" class="LineNr"> 569 </span>    e8/call  <a href='123slice.subx.html#L9'>slice-empty?</a>/disp32
<span id="L570" class="LineNr"> 570 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L571" class="LineNr"> 571 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L572" class="LineNr"> 572 </span>    <span class="subxS1Comment"># . if (eax != false) break</span>
<span id="L573" class="LineNr"> 573 </span>    3d/compare-eax-and  0/imm32/false
<span id="L574" class="LineNr"> 574 </span>    0f 85/jump-if-!=  $compute-addresses:line-loop/disp32
<span id="L575" class="LineNr"> 575 </span><span class="Constant">$compute-addresses:case-comment</span>:
<span id="L576" class="LineNr"> 576 </span>    <span class="subxComment"># if slice-starts-with?(word-slice, &quot;#&quot;) break</span>
<span id="L577" class="LineNr"> 577 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L578" class="LineNr"> 578 </span>    68/push  <span class="Constant">&quot;#&quot;</span>/imm32
<span id="L579" class="LineNr"> 579 </span>    52/push-edx
<span id="L580" class="LineNr"> 580 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L581" class="LineNr"> 581 </span>    e8/call  <a href='123slice.subx.html#L487'>slice-starts-with?</a>/disp32
<span id="L582" class="LineNr"> 582 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L583" class="LineNr"> 583 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L584" class="LineNr"> 584 </span>    <span class="subxS1Comment"># . if (eax != false) break</span>
<span id="L585" class="LineNr"> 585 </span>    3d/compare-eax-and  0/imm32/false
<span id="L586" class="LineNr"> 586 </span>    0f 85/jump-if-!=  $compute-addresses:line-loop/disp32
<span id="L587" class="LineNr"> 587 </span><span class="Constant">$compute-addresses:case-segment-header</span>:
<span id="L588" class="LineNr"> 588 </span>    <span class="subxComment"># if !slice-equal?(word-slice, &quot;==&quot;) goto next case</span>
<span id="L589" class="LineNr"> 589 </span>    <span class="subxS1Comment"># . eax = slice-equal?(word-slice, &quot;==&quot;)</span>
<span id="L590" class="LineNr"> 590 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L591" class="LineNr"> 591 </span>    68/push  <span class="Constant">&quot;==&quot;</span>/imm32
<span id="L592" class="LineNr"> 592 </span>    52/push-edx
<span id="L593" class="LineNr"> 593 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L594" class="LineNr"> 594 </span>    e8/call  <a href='123slice.subx.html#L120'>slice-equal?</a>/disp32
<span id="L595" class="LineNr"> 595 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L596" class="LineNr"> 596 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L597" class="LineNr"> 597 </span>    <span class="subxS1Comment"># . if (eax != false) break</span>
<span id="L598" class="LineNr"> 598 </span>    3d/compare-eax-and  0/imm32/false
<span id="L599" class="LineNr"> 599 </span>    0f 84/jump-if-=  $compute-addresses:case-label/disp32
<span id="L600" class="LineNr"> 600 </span>    <span class="subxComment"># next-word(line, word-slice)</span>
<span id="L601" class="LineNr"> 601 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L602" class="LineNr"> 602 </span>    52/push-edx
<span id="L603" class="LineNr"> 603 </span>    51/push-ecx
<span id="L604" class="LineNr"> 604 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L605" class="LineNr"> 605 </span>    e8/call  <a href='127next-word.subx.html#L11'>next-word</a>/disp32
<span id="L606" class="LineNr"> 606 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L607" class="LineNr"> 607 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L608" class="LineNr"> 608 </span>    <span class="subxComment"># if slice-empty?(word-slice) abort</span>
<span id="L609" class="LineNr"> 609 </span>    <span class="subxS1Comment"># . eax = slice-empty?(word-slice)</span>
<span id="L610" class="LineNr"> 610 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L611" class="LineNr"> 611 </span>    52/push-edx
<span id="L612" class="LineNr"> 612 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L613" class="LineNr"> 613 </span>    e8/call  <a href='123slice.subx.html#L9'>slice-empty?</a>/disp32
<span id="L614" class="LineNr"> 614 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L615" class="LineNr"> 615 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L616" class="LineNr"> 616 </span>    <span class="subxS1Comment"># . if (eax != false) abort</span>
<span id="L617" class="LineNr"> 617 </span>    3d/compare-eax-and  0/imm32/false
<span id="L618" class="LineNr"> 618 </span>    0f 85/jump-if-!=  $compute-addresses:abort/disp32
<span id="L619" class="LineNr"> 619 </span>    <span class="subxComment"># next-word(line, word-slice)</span>
<span id="L620" class="LineNr"> 620 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L621" class="LineNr"> 621 </span>    52/push-edx
<span id="L622" class="LineNr"> 622 </span>    51/push-ecx
<span id="L623" class="LineNr"> 623 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L624" class="LineNr"> 624 </span>    e8/call  <a href='127next-word.subx.html#L11'>next-word</a>/disp32
<span id="L625" class="LineNr"> 625 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L626" class="LineNr"> 626 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L627" class="LineNr"> 627 </span>    <span class="subxComment"># if slice-empty?(word-slice) break</span>
<span id="L628" class="LineNr"> 628 </span>    <span class="subxS1Comment"># . eax = slice-empty?(word-slice)</span>
<span id="L629" class="LineNr"> 629 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L630" class="LineNr"> 630 </span>    52/push-edx
<span id="L631" class="LineNr"> 631 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L632" class="LineNr"> 632 </span>    e8/call  <a href='123slice.subx.html#L9'>slice-empty?</a>/disp32
<span id="L633" class="LineNr"> 633 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L634" class="LineNr"> 634 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L635" class="LineNr"> 635 </span>    <span class="subxS1Comment"># . if (eax != false) break</span>
<span id="L636" class="LineNr"> 636 </span>    3d/compare-eax-and  0/imm32/false
<span id="L637" class="LineNr"> 637 </span>    0f 85/jump-if-!=  $compute-addresses:line-loop/disp32
<span id="L638" class="LineNr"> 638 </span>    <span class="subxComment"># var new-address/eax: int = parse-hex-int-from-slice(word-slice)</span>
<span id="L639" class="LineNr"> 639 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L640" class="LineNr"> 640 </span>    52/push-edx
<span id="L641" class="LineNr"> 641 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L642" class="LineNr"> 642 </span>    e8/call  <a href='118parse-hex-int.subx.html#L387'>parse-hex-int-from-slice</a>/disp32
<span id="L643" class="LineNr"> 643 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L644" class="LineNr"> 644 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L645" class="LineNr"> 645 </span>    <span class="subxComment"># if (new-address &lt; current-address) abort</span>
<span id="L646" class="LineNr"> 646 </span>    39/compare                      3/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          6/r32/esi  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># compare eax with esi</span>
<span id="L647" class="LineNr"> 647 </span>    0f 82/jump-if-addr&lt;  $compute-addresses:error-bad-segment-address/disp32
<span id="L648" class="LineNr"> 648 </span>    <span class="subxComment"># current-address = new-address</span>
<span id="L649" class="LineNr"> 649 </span>    89/copy                         3/mod/direct    6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy eax to esi</span>
<span id="L650" class="LineNr"> 650 </span>    <span class="subxComment"># break</span>
<span id="L651" class="LineNr"> 651 </span>    e9/jump  $compute-addresses:line-loop/disp32
<span id="L652" class="LineNr"> 652 </span><span class="Constant">$compute-addresses:case-label</span>:
<span id="L653" class="LineNr"> 653 </span>    <span class="subxComment"># if (!label?(word-slice)) goto next case</span>
<span id="L654" class="LineNr"> 654 </span>    <span class="subxS1Comment"># . eax = label?(word-slice)</span>
<span id="L655" class="LineNr"> 655 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L656" class="LineNr"> 656 </span>    52/push-edx
<span id="L657" class="LineNr"> 657 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L658" class="LineNr"> 658 </span>    e8/call  <a href='128subx-words.subx.html#L535'>label?</a>/disp32
<span id="L659" class="LineNr"> 659 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L660" class="LineNr"> 660 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L661" class="LineNr"> 661 </span>    <span class="subxS1Comment"># . if (eax == false) goto next case</span>
<span id="L662" class="LineNr"> 662 </span>    3d/compare-eax-and  0/imm32/false
<span id="L663" class="LineNr"> 663 </span>    0f 84/jump-if-=  $compute-addresses:case-default/disp32
<span id="L664" class="LineNr"> 664 </span>    <span class="subxComment"># strip trailing ':' from word-slice</span>
<span id="L665" class="LineNr"> 665 </span>    ff          1/subop/decrement   1/mod/*+disp8   2/rm32/edx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># decrement *(edx+4)</span>
<span id="L666" class="LineNr"> 666 </span>    <span class="subxComment"># var tmp/eax: (addr int) = get-or-insert-slice(labels, word-slice, row-size=12)</span>
<span id="L667" class="LineNr"> 667 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L668" class="LineNr"> 668 </span>    68/push  <span class="SpecialChar"><a href='120allocate.subx.html#L27'>Heap</a></span>/imm32
<span id="L669" class="LineNr"> 669 </span>    68/push  0xc/imm32/row-size
<span id="L670" class="LineNr"> 670 </span>    52/push-edx
<span id="L671" class="LineNr"> 671 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+12)</span>
<span id="L672" class="LineNr"> 672 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L673" class="LineNr"> 673 </span>    e8/call  <a href='131table.subx.html#L1022'>get-or-insert-slice</a>/disp32
<span id="L674" class="LineNr"> 674 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L675" class="LineNr"> 675 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0x10/imm32        <span class="subxComment"># add to esp</span>
<span id="L676" class="LineNr"> 676 </span>    <span class="subxComment"># *tmp = current-address</span>
<span id="L677" class="LineNr"> 677 </span>    89/copy                         0/mod/indirect  0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          6/r32/esi  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esi to *eax</span>
<span id="L678" class="LineNr"> 678 </span>    <span class="subxComment"># trace-slsns(&quot;label '&quot; word-slice &quot;' is at address &quot; current-address &quot;.&quot;)</span>
<span id="L679" class="LineNr"> 679 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L680" class="LineNr"> 680 </span>    68/push  <span class="Constant">&quot;.&quot;</span>/imm32
<span id="L681" class="LineNr"> 681 </span>    56/push-esi
<span id="L682" class="LineNr"> 682 </span>    68/push  <span class="Constant">&quot;' is at address &quot;</span>/imm32
<span id="L683" class="LineNr"> 683 </span>    52/push-edx
<span id="L684" class="LineNr"> 684 </span>    68/push  <span class="Constant">&quot;label '&quot;</span>/imm32
<span id="L685" class="LineNr"> 685 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L686" class="LineNr"> 686 </span>    e8/call  <a href='survey_baremetal.subx.html#L1028'>trace-slsns</a>/disp32
<span id="L687" class="LineNr"> 687 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L688" class="LineNr"> 688 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0x14/imm32        <span class="subxComment"># add to esp</span>
<span id="L689" class="LineNr"> 689 </span>    <span class="subxComment"># continue</span>
<span id="L690" class="LineNr"> 690 </span>    e9/jump  $compute-addresses:word-loop/disp32
<span id="L691" class="LineNr"> 691 </span><span class="Constant">$compute-addresses:case-default</span>:
<span id="L692" class="LineNr"> 692 </span>    <span class="subxComment"># width/eax = compute-width-of-slice(word-slice)</span>
<span id="L693" class="LineNr"> 693 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L694" class="LineNr"> 694 </span>    52/push-edx
<span id="L695" class="LineNr"> 695 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L696" class="LineNr"> 696 </span>    e8/call <a href='133subx-widths.subx.html#L45'>compute-width-of-slice</a>/disp32
<span id="L697" class="LineNr"> 697 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L698" class="LineNr"> 698 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L699" class="LineNr"> 699 </span>    <span class="subxComment"># current-address += width</span>
<span id="L700" class="LineNr"> 700 </span>    01/add                          3/mod/direct    6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># add eax to *esi</span>
<span id="L701" class="Folded"> 701 </span><span class="Folded">+-- 41 lines: #?     # dump segment-offset ---------------------------------------------------------------------------------------------------------------------------------</span>
<span id="L742" class="LineNr"> 742 </span>    e9/jump $compute-addresses:word-loop/disp32
<span id="L743" class="LineNr"> 743 </span><span class="Constant">$compute-addresses:end</span>:
<span id="L744" class="LineNr"> 744 </span>    <span class="subxS1Comment"># . reclaim locals</span>
<span id="L745" class="LineNr"> 745 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0x214/imm32       <span class="subxComment"># add to esp</span>
<span id="L746" class="LineNr"> 746 </span>    <span class="subxS1Comment"># . restore registers</span>
<span id="L747" class="LineNr"> 747 </span>    5f/pop-to-edi
<span id="L748" class="LineNr"> 748 </span>    5e/pop-to-esi
<span id="L749" class="LineNr"> 749 </span>    5b/pop-to-ebx
<span id="L750" class="LineNr"> 750 </span>    5a/pop-to-edx
<span id="L751" class="LineNr"> 751 </span>    59/pop-to-ecx
<span id="L752" class="LineNr"> 752 </span>    58/pop-to-eax
<span id="L753" class="LineNr"> 753 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L754" class="LineNr"> 754 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
<span id="L755" class="LineNr"> 755 </span>    5d/pop-to-ebp
<span id="L756" class="LineNr"> 756 </span>    c3/return
<span id="L757" class="LineNr"> 757 </span>
<span id="L758" class="LineNr"> 758 </span><span class="Constant">$compute-addresses:abort</span>:
<span id="L759" class="LineNr"> 759 </span>    <span class="subxS1Comment"># . _write(2/stderr, error)</span>
<span id="L760" class="LineNr"> 760 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L761" class="LineNr"> 761 </span>    68/push  <span class="Constant">&quot;'==' must be followed by segment name and optionally an address\n&quot;</span>/imm32
<span id="L762" class="LineNr"> 762 </span>    68/push  2/imm32/stderr
<span id="L763" class="LineNr"> 763 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L764" class="LineNr"> 764 </span>    e8/call  <a href='101_write.subx.html#L12'>_write</a>/disp32
<span id="L765" class="LineNr"> 765 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L766" class="LineNr"> 766 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L767" class="LineNr"> 767 </span>    <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L768" class="LineNr"> 768 </span>    bb/copy-to-ebx  1/imm32
<span id="L769" class="LineNr"> 769 </span>    e8/call  <a href='000init.subx.html#L18'>syscall_exit</a>/disp32
<span id="L770" class="LineNr"> 770 </span>    <span class="subxComment"># never gets here</span>
<span id="L771" class="LineNr"> 771 </span>
<span id="L772" class="LineNr"> 772 </span><span class="Constant">$compute-addresses:error-bad-segment-address</span>:
<span id="L773" class="LineNr"> 773 </span>    <span class="subxS1Comment"># . _write(2/stderr, error)</span>
<span id="L774" class="LineNr"> 774 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L775" class="LineNr"> 775 </span>    68/push  <span class="Constant">&quot;'==' specifies an address that implies negative padding\n&quot;</span>/imm32
<span id="L776" class="LineNr"> 776 </span>    68/push  2/imm32/stderr
<span id="L777" class="LineNr"> 777 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L778" class="LineNr"> 778 </span>    e8/call  <a href='101_write.subx.html#L12'>_write</a>/disp32
<span id="L779" class="LineNr"> 779 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L780" class="LineNr"> 780 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L781" class="LineNr"> 781 </span>    <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L782" class="LineNr"> 782 </span>    bb/copy-to-ebx  1/imm32
<span id="L783" class="LineNr"> 783 </span>    e8/call  <a href='000init.subx.html#L18'>syscall_exit</a>/disp32
<span id="L784" class="LineNr"> 784 </span>    <span class="subxComment"># never gets here</span>
<span id="L785" class="LineNr"> 785 </span>
<span id="L786" class="LineNr"> 786 </span><span class="subxTest">test-compute-addresses</span>:
<span id="L787" class="LineNr"> 787 </span>    <span class="subxComment"># input:</span>
<span id="L788" class="LineNr"> 788 </span>    <span class="subxComment">#   == code</span>
<span id="L789" class="LineNr"> 789 </span>    <span class="subxComment">#   ab x/imm32  # skip comment</span>
<span id="L790" class="LineNr"> 790 </span>    <span class="subxComment">#   == data</span>
<span id="L791" class="LineNr"> 791 </span>    <span class="subxComment">#   00</span>
<span id="L792" class="LineNr"> 792 </span>    <span class="subxComment">#   x:</span>
<span id="L793" class="LineNr"> 793 </span>    <span class="subxComment">#     34</span>
<span id="L794" class="LineNr"> 794 </span>    <span class="subxComment">#</span>
<span id="L795" class="LineNr"> 795 </span>    <span class="subxComment"># trace contains (in any order):</span>
<span id="L796" class="LineNr"> 796 </span>    <span class="subxComment">#   label 'x' is at address 0x7c06.</span>
<span id="L797" class="LineNr"> 797 </span>    <span class="subxComment">#</span>
<span id="L798" class="LineNr"> 798 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L799" class="LineNr"> 799 </span>    55/push-ebp
<span id="L800" class="LineNr"> 800 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
<span id="L801" class="LineNr"> 801 </span>    <span class="subxComment"># setup</span>
<span id="L802" class="LineNr"> 802 </span>    <span class="subxS1Comment"># . clear-stream(_test-input-stream)</span>
<span id="L803" class="LineNr"> 803 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L804" class="LineNr"> 804 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L805" class="LineNr"> 805 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L806" class="LineNr"> 806 </span>    e8/call  <a href='106stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L807" class="LineNr"> 807 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L808" class="LineNr"> 808 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L809" class="LineNr"> 809 </span>    <span class="subxComment"># var labels/edx: (stream byte 2*12)</span>
<span id="L810" class="LineNr"> 810 </span>    81          5/subop/subtract    3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0x18/imm32        <span class="subxComment"># subtract from esp</span>
<span id="L811" class="LineNr"> 811 </span>    68/push  0x18/imm32/size
<span id="L812" class="LineNr"> 812 </span>    68/push  0/imm32/read
<span id="L813" class="LineNr"> 813 </span>    68/push  0/imm32/write
<span id="L814" class="LineNr"> 814 </span>    89/copy                         3/mod/direct    2/rm32/edx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to edx</span>
<span id="L815" class="LineNr"> 815 </span>    <span class="subxComment"># initialize input</span>
<span id="L816" class="LineNr"> 816 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;== code\n&quot;)</span>
<span id="L817" class="LineNr"> 817 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L818" class="LineNr"> 818 </span>    68/push  <span class="Constant">&quot;== code\n&quot;</span>/imm32
<span id="L819" class="LineNr"> 819 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L820" class="LineNr"> 820 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L821" class="LineNr"> 821 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L822" class="LineNr"> 822 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L823" class="LineNr"> 823 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L824" class="LineNr"> 824 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;ab x/imm32  # skip comment\n&quot;)</span>
<span id="L825" class="LineNr"> 825 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L826" class="LineNr"> 826 </span>    68/push  <span class="Constant">&quot;ab x/imm32  # skip comment\n&quot;</span>/imm32
<span id="L827" class="LineNr"> 827 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L828" class="LineNr"> 828 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L829" class="LineNr"> 829 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L830" class="LineNr"> 830 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L831" class="LineNr"> 831 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L832" class="LineNr"> 832 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;== data\n&quot;)</span>
<span id="L833" class="LineNr"> 833 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L834" class="LineNr"> 834 </span>    68/push  <span class="Constant">&quot;== data\n&quot;</span>/imm32
<span id="L835" class="LineNr"> 835 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L836" class="LineNr"> 836 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L837" class="LineNr"> 837 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L838" class="LineNr"> 838 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L839" class="LineNr"> 839 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L840" class="LineNr"> 840 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;00\n&quot;)</span>
<span id="L841" class="LineNr"> 841 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L842" class="LineNr"> 842 </span>    68/push  <span class="Constant">&quot;00\n&quot;</span>/imm32
<span id="L843" class="LineNr"> 843 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L844" class="LineNr"> 844 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L845" class="LineNr"> 845 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L846" class="LineNr"> 846 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L847" class="LineNr"> 847 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L848" class="LineNr"> 848 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;x:\n&quot;)</span>
<span id="L849" class="LineNr"> 849 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L850" class="LineNr"> 850 </span>    68/push  <span class="Constant">&quot;x:\n&quot;</span>/imm32
<span id="L851" class="LineNr"> 851 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L852" class="LineNr"> 852 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L853" class="LineNr"> 853 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L854" class="LineNr"> 854 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L855" class="LineNr"> 855 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L856" class="LineNr"> 856 </span>    <span class="subxS1Comment"># . write(_test-input-stream, &quot;34\n&quot;)</span>
<span id="L857" class="LineNr"> 857 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L858" class="LineNr"> 858 </span>    68/push  <span class="Constant">&quot;34\n&quot;</span>/imm32
<span id="L859" class="LineNr"> 859 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L860" class="LineNr"> 860 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L861" class="LineNr"> 861 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L862" class="LineNr"> 862 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L863" class="LineNr"> 863 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L864" class="LineNr"> 864 </span>    <span class="subxComment"># compute-addresses(_test-input-stream, labels)</span>
<span id="L865" class="LineNr"> 865 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L866" class="LineNr"> 866 </span>    52/push-edx
<span id="L867" class="LineNr"> 867 </span>    68/push  <a href='112read-byte.subx.html#L331'>_test-input-stream</a>/imm32
<span id="L868" class="LineNr"> 868 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L869" class="LineNr"> 869 </span>    e8/call  <a href='survey_baremetal.subx.html#L446'>compute-addresses</a>/disp32
<span id="L870" class="LineNr"> 870 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L871" class="LineNr"> 871 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32          <span class="subxComment"># add to esp</span>
<span id="L872" class="Folded"> 872 </span><span class="Folded">+-- 26 lines: #?     # dump *Trace-stream ----------------------------------------------------------------------------------------------------------------------------------</span>
<span id="L898" class="LineNr"> 898 </span>    <span class="subxS1Comment"># . check-trace-contains(&quot;label 'x' is at address 0x00007c06.&quot;, msg)</span>
<span id="L899" class="LineNr"> 899 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L900" class="LineNr"> 900 </span>    68/push  <span class="Constant">&quot;F - test-compute-addresses&quot;</span>/imm32
<span id="L901" class="LineNr"> 901 </span>    68/push  <span class="Constant">&quot;label 'x' is at address 0x00007c06.&quot;</span>/imm32
<span id="L902" class="LineNr"> 902 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L903" class="LineNr"> 903 </span>    e8/call  <a href='107trace.subx.html#L248'>check-trace-contains</a>/disp32
<span id="L904" class="LineNr"> 904 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L905" class="LineNr"> 905 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L906" class="LineNr"> 906 </span>    <span class="subxS1Comment"># . check-ints-equal(labels-&gt;write, 0xc, msg)</span>
<span id="L907" class="LineNr"> 907 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L908" class="LineNr"> 908 </span>    68/push  <span class="Constant">&quot;F - test-compute-addresses-maintains-labels-write-index&quot;</span>/imm32
<span id="L909" class="LineNr"> 909 </span>    68/push  0xc/imm32/1-entry
<span id="L910" class="LineNr"> 910 </span>    ff          6/subop/push        0/mod/indirect  2/rm32/edx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># push *edx</span>
<span id="L911" class="LineNr"> 911 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L912" class="LineNr"> 912 </span>    e8/call  <a href='102test.subx.html#L23'>check-ints-equal</a>/disp32
<span id="L913" class="LineNr"> 913 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L914" class="LineNr"> 914 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0xc/imm32         <span class="subxComment"># add to esp</span>
<span id="L915" class="LineNr"> 915 </span>    <span class="subxS1Comment"># . reclaim locals</span>
<span id="L916" class="LineNr"> 916 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0x24/imm32        <span class="subxComment"># add to esp</span>
<span id="L917" class="LineNr"> 917 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L918" class="LineNr"> 918 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
<span id="L919" class="LineNr"> 919 </span>    5d/pop-to-ebp
<span id="L920" class="LineNr"> 920 </span>    c3/return
<span id="L921" class="LineNr"> 921 </span>
<span id="L922" class="LineNr"> 922 </span><span class="subxFunction">emit-labels</span>:  <span class="subxComment"># out: (addr buffered-file), labels: (addr stream {(handle array byte), address})</span>
<span id="L923" class="LineNr"> 923 </span>    <span class="subxComment"># pseudocode:</span>
<span id="L924" class="LineNr"> 924 </span>    <span class="subxComment">#   curr = table-&gt;data</span>
<span id="L925" class="LineNr"> 925 </span>    <span class="subxComment">#   max = &amp;table-&gt;data[table-&gt;write]</span>
<span id="L926" class="LineNr"> 926 </span>    <span class="subxComment">#   while curr &lt; max</span>
<span id="L927" class="LineNr"> 927 </span>    <span class="subxComment">#     var label: (addr array byte) = lookup(*curr)</span>
<span id="L928" class="LineNr"> 928 </span>    <span class="subxComment">#     curr += 8</span>
<span id="L929" class="LineNr"> 929 </span>    <span class="subxComment">#     write-buffered(out, label)</span>
<span id="L930" class="LineNr"> 930 </span>    <span class="subxComment">#     write-buffered(out, ' ')</span>
<span id="L931" class="LineNr"> 931 </span>    <span class="subxComment">#     write-buffered(out, *curr)</span>
<span id="L932" class="LineNr"> 932 </span>    <span class="subxComment">#     curr += 4</span>
<span id="L933" class="LineNr"> 933 </span>    <span class="subxComment">#     write(out, '\n')</span>
<span id="L934" class="LineNr"> 934 </span>    <span class="subxComment">#   return 0</span>
<span id="L935" class="LineNr"> 935 </span>    <span class="subxComment">#</span>
<span id="L936" class="LineNr"> 936 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L937" class="LineNr"> 937 </span>    55/push-ebp
<span id="L938" class="LineNr"> 938 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
<span id="L939" class="LineNr"> 939 </span>    <span class="subxS1Comment"># . save registers</span>
<span id="L940" class="LineNr"> 940 </span>    50/push-eax
<span id="L941" class="LineNr"> 941 </span>    51/push-ecx
<span id="L942" class="LineNr"> 942 </span>    52/push-edx
<span id="L943" class="LineNr"> 943 </span>    56/push-esi
<span id="L944" class="LineNr"> 944 </span>    <span class="subxComment"># esi = table</span>
<span id="L945" class="LineNr"> 945 </span>    8b/copy                         1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          6/r32/esi   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy *(ebp+12) to esi</span>
<span id="L946" class="LineNr"> 946 </span>    <span class="subxComment"># var curr/ecx: (addr handle array byte) = table-&gt;data</span>
<span id="L947" class="LineNr"> 947 </span>    8d/copy-address                 1/mod/*+disp8   6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx   0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy esi+12 to ecx</span>
<span id="L948" class="LineNr"> 948 </span>    <span class="subxComment"># var max/edx: (addr byte) = &amp;table-&gt;data[table-&gt;write]</span>
<span id="L949" class="LineNr"> 949 </span>    8b/copy                         0/mod/indirect  6/rm32/esi   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          2/r32/edx  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy *esi to edx</span>
<span id="L950" class="LineNr"> 950 </span>    8d/copy-address                 0/mod/indirect  4/rm32/sib    1/base/ecx  2/index/edx  <span class="Normal"> . </span>          2/r32/edx  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ecx+edx to edx</span>
<span id="L951" class="LineNr"> 951 </span><span class="Constant">$emit-labels:loop</span>:
<span id="L952" class="LineNr"> 952 </span>    <span class="subxComment"># if (curr &gt;= max) return null</span>
<span id="L953" class="LineNr"> 953 </span>    39/compare                      3/mod/direct    1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          2/r32/edx  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># compare ecx with edx</span>
<span id="L954" class="LineNr"> 954 </span>    0f 83/jump-if-addr&gt;=  $emit-labels:end/disp32
<span id="L955" class="LineNr"> 955 </span>    <span class="subxComment"># var label/eax: (addr array byte) = lookup(*curr)</span>
<span id="L956" class="LineNr"> 956 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L957" class="LineNr"> 957 </span>    ff          6/subop/push        1/mod/*+disp8   1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ecx+4)</span>
<span id="L958" class="LineNr"> 958 </span>    ff          6/subop/push        0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># push *ecx</span>
<span id="L959" class="LineNr"> 959 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L960" class="LineNr"> 960 </span>    e8/call  <a href='120allocate.subx.html#L258'>lookup</a>/disp32
<span id="L961" class="LineNr"> 961 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L962" class="LineNr"> 962 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L963" class="LineNr"> 963 </span>    <span class="subxComment"># curr += 8</span>
<span id="L964" class="LineNr"> 964 </span>    81          0/subop/add         3/mod/direct    1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to ecx</span>
<span id="L965" class="LineNr"> 965 </span>    <span class="subxComment"># write-buffered(out, label)</span>
<span id="L966" class="LineNr"> 966 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L967" class="LineNr"> 967 </span>    50/push-eax
<span id="L968" class="LineNr"> 968 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
<span id="L969" class="LineNr"> 969 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L970" class="LineNr"> 970 </span>    e8/call  <a href='116write-buffered.subx.html#L8'>write-buffered</a>/disp32
<span id="L971" class="LineNr"> 971 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L972" class="LineNr"> 972 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L973" class="LineNr"> 973 </span>    <span class="subxComment"># write-buffered(out, ' ')</span>
<span id="L974" class="LineNr"> 974 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L975" class="LineNr"> 975 </span>    68/push  <span class="SpecialChar"><a href='102test.subx.html#L93'>Space</a></span>/imm32
<span id="L976" class="LineNr"> 976 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
<span id="L977" class="LineNr"> 977 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L978" class="LineNr"> 978 </span>    e8/call  <a href='116write-buffered.subx.html#L8'>write-buffered</a>/disp32
<span id="L979" class="LineNr"> 979 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L980" class="LineNr"> 980 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L981" class="LineNr"> 981 </span>    <span class="subxS1Comment"># . flush(Stderr)</span>
<span id="L982" class="LineNr"> 982 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L983" class="LineNr"> 983 </span>    68/push  <span class="SpecialChar"><a href='116write-buffered.subx.html#L209'>Stderr</a></span>/imm32
<span id="L984" class="LineNr"> 984 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L985" class="LineNr"> 985 </span>    e8/call  <a href='115write-byte.subx.html#L81'>flush</a>/disp32
<span id="L986" class="LineNr"> 986 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L987" class="LineNr"> 987 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L988" class="LineNr"> 988 </span>    <span class="subxComment"># write-int32-hex-buffered(out, *curr)</span>
<span id="L989" class="LineNr"> 989 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L990" class="LineNr"> 990 </span>    ff          6/subop/push        0/mod/indirect  1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># push *ecx</span>
<span id="L991" class="LineNr"> 991 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
<span id="L992" class="LineNr"> 992 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L993" class="LineNr"> 993 </span>    e8/call  <a href='117write-int-hex.subx.html#L288'>write-int32-hex-buffered</a>/disp32
<span id="L994" class="LineNr"> 994 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L995" class="LineNr"> 995 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L996" class="LineNr"> 996 </span>    <span class="subxComment"># curr += 4</span>
<span id="L997" class="LineNr"> 997 </span>    81          0/subop/add         3/mod/direct    1/rm32/ecx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to ecx</span>
<span id="L998" class="LineNr"> 998 </span>    <span class="subxComment"># write-buffered(out, '\n')</span>
<span id="L999" class="LineNr"> 999 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L1000" class="LineNr">1000 </span>    68/push  <span class="SpecialChar"><a href='102test.subx.html#L82'>Newline</a></span>/imm32
<span id="L1001" class="LineNr">1001 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
<span id="L1002" class="LineNr">1002 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L1003" class="LineNr">1003 </span>    e8/call  <a href='116write-buffered.subx.html#L8'>write-buffered</a>/disp32
<span id="L1004" class="LineNr">1004 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L1005" class="LineNr">1005 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L1006" class="LineNr">1006 </span>    <span class="subxComment"># loop</span>
<span id="L1007" class="LineNr">1007 </span>    e9/jump  $emit-labels:<span class="Constant">loop</span>/disp32
<span id="L1008" class="LineNr">1008 </span><span class="Constant">$emit-labels:end</span>:
<span id="L1009" class="LineNr">1009 </span>    <span class="subxS1Comment"># . restore registers</span>
<span id="L1010" class="LineNr">1010 </span>    5e/pop-to-esi
<span id="L1011" class="LineNr">1011 </span>    5a/pop-to-edx
<span id="L1012" class="LineNr">1012 </span>    59/pop-to-ecx
<span id="L1013" class="LineNr">1013 </span>    58/pop-to-eax
<span id="L1014" class="LineNr">1014 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L1015" class="LineNr">1015 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
<span id="L1016" class="LineNr">1016 </span>    5d/pop-to-ebp
<span id="L1017" class="LineNr">1017 </span>    c3/return
<span id="L1018" class="LineNr">1018 </span>
<span id="L1019" class="LineNr">1019 </span><span class="subxH1Comment"># - some helpers for tests</span>
<span id="L1020" class="LineNr">1020 </span>
<span id="L1021" class="LineNr">1021 </span><span class="subxComment"># some variants of 'trace' that take multiple arguments in different combinations of types:</span>
<span id="L1022" class="LineNr">1022 </span><span class="subxComment">#   n: int</span>
<span id="L1023" class="LineNr">1023 </span><span class="subxComment">#   c: character [4-bytes, will eventually be UTF-8]</span>
<span id="L1024" class="LineNr">1024 </span><span class="subxComment">#   s: (addr array byte)</span>
<span id="L1025" class="LineNr">1025 </span><span class="subxComment">#   l: (addr slice)</span>
<span id="L1026" class="LineNr">1026 </span><span class="subxComment"># one gotcha: 's5' must not be empty</span>
<span id="L1027" class="LineNr">1027 </span>
<span id="L1028" class="LineNr">1028 </span><span class="subxFunction">trace-slsns</span>:  <span class="subxComment"># s1: (addr array byte), l2: (addr slice), s3: (addr array byte), n4: int, s5: (addr array byte)</span>
<span id="L1029" class="LineNr">1029 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L1030" class="LineNr">1030 </span>    55/push-ebp
<span id="L1031" class="LineNr">1031 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
<span id="L1032" class="LineNr">1032 </span>    <span class="subxComment"># write(*Trace-stream, s1)</span>
<span id="L1033" class="LineNr">1033 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L1034" class="LineNr">1034 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          8/disp8        <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+8)</span>
<span id="L1035" class="LineNr">1035 </span>    ff          6/subop/push        0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          <span class="SpecialChar"><a href='107trace.subx.html#L17'>Trace-stream</a></span>/disp32               <span class="subxComment"># push *Trace-stream</span>
<span id="L1036" class="LineNr">1036 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L1037" class="LineNr">1037 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L1038" class="LineNr">1038 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L1039" class="LineNr">1039 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L1040" class="LineNr">1040 </span>    <span class="subxComment"># write-slice(*Trace-stream, l2)</span>
<span id="L1041" class="LineNr">1041 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L1042" class="LineNr">1042 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+12)</span>
<span id="L1043" class="LineNr">1043 </span>    ff          6/subop/push        0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          <span class="SpecialChar"><a href='107trace.subx.html#L17'>Trace-stream</a></span>/disp32               <span class="subxComment"># push *Trace-stream</span>
<span id="L1044" class="LineNr">1044 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L1045" class="LineNr">1045 </span>    e8/call  <a href='123slice.subx.html#L793'>write-slice</a>/disp32
<span id="L1046" class="LineNr">1046 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L1047" class="LineNr">1047 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L1048" class="LineNr">1048 </span>    <span class="subxComment"># write(*Trace-stream, s3)</span>
<span id="L1049" class="LineNr">1049 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L1050" class="LineNr">1050 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0x10/disp8     <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+16)</span>
<span id="L1051" class="LineNr">1051 </span>    ff          6/subop/push        0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          <span class="SpecialChar"><a href='107trace.subx.html#L17'>Trace-stream</a></span>/disp32               <span class="subxComment"># push *Trace-stream</span>
<span id="L1052" class="LineNr">1052 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L1053" class="LineNr">1053 </span>    e8/call  <a href='108write.subx.html#L24'>write</a>/disp32
<span id="L1054" class="LineNr">1054 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L1055" class="LineNr">1055 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L1056" class="LineNr">1056 </span>    <span class="subxComment"># write-int32-hex(*Trace-stream, n4)</span>
<span id="L1057" class="LineNr">1057 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L1058" class="LineNr">1058 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0x14/disp8     <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+20)</span>
<span id="L1059" class="LineNr">1059 </span>    ff          6/subop/push        0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          <span class="SpecialChar"><a href='107trace.subx.html#L17'>Trace-stream</a></span>/disp32               <span class="subxComment"># push *Trace-stream</span>
<span id="L1060" class="LineNr">1060 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L1061" class="LineNr">1061 </span>    e8/call  <a href='117write-int-hex.subx.html#L178'>write-int32-hex</a>/disp32
<span id="L1062" class="LineNr">1062 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L1063" class="LineNr">1063 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L1064" class="LineNr">1064 </span>    <span class="subxComment"># trace(s5)  # implicitly adds a newline and finalizes the trace line</span>
<span id="L1065" class="LineNr">1065 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L1066" class="LineNr">1066 </span>    ff          6/subop/push        1/mod/*+disp8   5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>          0x18/disp8     <span class="Normal"> . </span>                <span class="subxComment"># push *(ebp+24)</span>
<span id="L1067" class="LineNr">1067 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L1068" class="LineNr">1068 </span>    e8/call  <a href='107trace.subx.html#L81'>trace</a>/disp32
<span id="L1069" class="LineNr">1069 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L1070" class="LineNr">1070 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              4/imm32           <span class="subxComment"># add to esp</span>
<span id="L1071" class="LineNr">1071 </span><span class="Constant">$trace-slsns:end</span>:
<span id="L1072" class="LineNr">1072 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L1073" class="LineNr">1073 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
<span id="L1074" class="LineNr">1074 </span>    5d/pop-to-ebp
<span id="L1075" class="LineNr">1075 </span>    c3/return
<span id="L1076" class="LineNr">1076 </span>
<span id="L1077" class="LineNr">1077 </span><span class="subxTest">test-trace-slsns</span>:
<span id="L1078" class="LineNr">1078 </span>    <span class="subxS1Comment"># . prologue</span>
<span id="L1079" class="LineNr">1079 </span>    55/push-ebp
<span id="L1080" class="LineNr">1080 </span>    89/copy                         3/mod/direct    5/rm32/ebp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebp</span>
<span id="L1081" class="LineNr">1081 </span>    <span class="subxComment"># setup</span>
<span id="L1082" class="LineNr">1082 </span>    <span class="subxS1Comment"># . *Trace-stream-&gt;write = 0</span>
<span id="L1083" class="LineNr">1083 </span>    8b/copy                         0/mod/indirect  5/rm32/.disp32           <span class="Normal"> . </span>           <span class="Normal"> . </span>          0/r32/eax   <span class="SpecialChar"><a href='107trace.subx.html#L17'>Trace-stream</a></span>/disp32               <span class="subxComment"># copy *Trace-stream to eax</span>
<span id="L1084" class="LineNr">1084 </span>    c7          0/subop/copy        0/mod/direct    0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0/imm32           <span class="subxComment"># clear *eax</span>
<span id="L1085" class="LineNr">1085 </span>    <span class="subxComment"># (eax..ecx) = &quot;b&quot;</span>
<span id="L1086" class="LineNr">1086 </span>    b8/copy-to-eax  <span class="Constant">&quot;b&quot;</span>/imm32
<span id="L1087" class="LineNr">1087 </span>    8b/copy                         0/mod/indirect  0/rm32/eax   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          1/r32/ecx  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy *eax to ecx</span>
<span id="L1088" class="LineNr">1088 </span>    8d/copy-address                 1/mod/*+disp8   4/rm32/sib    0/base/eax  1/index/ecx  <span class="Normal"> . </span>          1/r32/ecx   4/disp8        <span class="Normal"> . </span>                <span class="subxComment"># copy eax+ecx+4 to ecx</span>
<span id="L1089" class="LineNr">1089 </span>    05/add-to-eax  4/imm32
<span id="L1090" class="LineNr">1090 </span>    <span class="subxComment"># var b/ebx: slice = {eax, ecx}</span>
<span id="L1091" class="LineNr">1091 </span>    51/push-ecx
<span id="L1092" class="LineNr">1092 </span>    50/push-eax
<span id="L1093" class="LineNr">1093 </span>    89/copy                         3/mod/direct    3/rm32/ebx   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          4/r32/esp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy esp to ebx</span>
<span id="L1094" class="LineNr">1094 </span>    <span class="subxComment"># trace-slsls(&quot;A&quot; b &quot;c &quot; 3 &quot; e&quot;)</span>
<span id="L1095" class="LineNr">1095 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L1096" class="LineNr">1096 </span>    68/push  <span class="Constant">&quot; e&quot;</span>/imm32
<span id="L1097" class="LineNr">1097 </span>    68/push  3/imm32
<span id="L1098" class="LineNr">1098 </span>    68/push  <span class="Constant">&quot;c &quot;</span>/imm32
<span id="L1099" class="LineNr">1099 </span>    53/push-ebx
<span id="L1100" class="LineNr">1100 </span>    68/push  <span class="Constant">&quot;A&quot;</span>/imm32
<span id="L1101" class="LineNr">1101 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L1102" class="LineNr">1102 </span>    e8/call  <a href='survey_baremetal.subx.html#L1028'>trace-slsns</a>/disp32
<span id="L1103" class="LineNr">1103 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L1104" class="LineNr">1104 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              0x14/imm32        <span class="subxComment"># add to esp</span>
<span id="L1105" class="Folded">1105 </span><span class="Folded">+-- 26 lines: #?     # dump *Trace-stream ----------------------------------------------------------------------------------------------------------------------------------</span>
<span id="L1131" class="LineNr">1131 </span>    <span class="subxComment"># check-trace-contains(&quot;Abc 0x00000003 e&quot;)</span>
<span id="L1132" class="LineNr">1132 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L1133" class="LineNr">1133 </span>    68/push  <span class="Constant">&quot;F - test-trace-slsls&quot;</span>/imm32
<span id="L1134" class="LineNr">1134 </span>    68/push  <span class="Constant">&quot;Abc 0x00000003 e&quot;</span>/imm32
<span id="L1135" class="LineNr">1135 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L1136" class="LineNr">1136 </span>    e8/call  <a href='107trace.subx.html#L248'>check-trace-contains</a>/disp32
<span id="L1137" class="LineNr">1137 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L1138" class="LineNr">1138 </span>    81          0/subop/add         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>         <span class="Normal"> . </span>         <span class="Normal"> . </span>              8/imm32           <span class="subxComment"># add to esp</span>
<span id="L1139" class="LineNr">1139 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L1140" class="LineNr">1140 </span>    89/copy                         3/mod/direct    4/rm32/esp   <span class="Normal"> . </span>         <span class="Normal"> . </span>           <span class="Normal"> . </span>          5/r32/ebp  <span class="Normal"> . </span>             <span class="Normal"> . </span>                <span class="subxComment"># copy ebp to esp</span>
<span id="L1141" class="LineNr">1141 </span>    5d/pop-to-ebp
<span id="L1142" class="LineNr">1142 </span>    c3/return
<span id="L1143" class="LineNr">1143 </span>
<span id="L1144" class="LineNr">1144 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
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