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Kartik Agaram 2020-05-22 23:08:09 -07:00
parent 3d0c48adf9
commit 9a77780158
44 changed files with 19182 additions and 14638 deletions
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html/050_write.subx.html
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html/052kernel-string-equal.subx.html
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@ -15,15 +15,15 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color:
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@ -60,277 +60,276 @@ if ('onhashchange' in window) {
<body onload='JumpToLine();'>
<a href='https://github.com/akkartik/mu/blob/master/052kernel-string-equal.subx'>https://github.com/akkartik/mu/blob/master/052kernel-string-equal.subx</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Checking null-terminated ascii strings.</span>
<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Checking null-terminated strings.</span>
<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span>
<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># By default we create strings as arrays of bytes, and all arrays have a 4-byte</span>
<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># length prefix.</span>
<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># size prefix.</span>
<span id="L5" class="LineNr"> 5 </span><span class="subxComment">#</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># However, we sometimes need to deal with null-prefixed strings when interacting</span>
<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># with the Linux kernel. This layer implements a function for comparing a</span>
<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># null-terminated 'kernel string' with a length-prefixed 'SubX string'.</span>
<span id="L9" class="LineNr"> 9 </span><span class="subxComment">#</span>
<span id="L10" class="LineNr"> 10 </span><span class="subxComment"># To run (from the subx directory):</span>
<span id="L11" class="LineNr"> 11 </span><span class="subxComment"># $ ./bootstrap translate 05[0-2]*.subx -o /tmp/tmp52</span>
<span id="L12" class="LineNr"> 12 </span><span class="subxComment"># $ ./bootstrap run /tmp/tmp52 # runs a series of tests</span>
<span id="L13" class="LineNr"> 13 </span><span class="subxComment"># ...... # all tests pass</span>
<span id="L14" class="LineNr"> 14 </span><span class="subxComment">#</span>
<span id="L15" class="LineNr"> 15 </span><span class="subxComment"># (We can't yet run the tests when given a &quot;test&quot; commandline argument,</span>
<span id="L16" class="LineNr"> 16 </span><span class="subxComment"># because checking for it would require the function being tested! Breakage</span>
<span id="L17" class="LineNr"> 17 </span><span class="subxComment"># would cause tests to not run, rather than to fail as we'd like.)</span>
<span id="L18" class="LineNr"> 18 </span>
<span id="L19" class="LineNr"> 19 </span>== code
<span id="L20" class="LineNr"> 20 </span><span class="subxComment"># instruction effective address register displacement immediate</span>
<span id="L21" class="LineNr"> 21 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span>
<span id="L22" class="LineNr"> 22 </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="L23" class="LineNr"> 23 </span>
<span id="L24" class="LineNr"> 24 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># run all tests</span>
<span id="L25" class="LineNr"> 25 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span>
<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span>
<span id="L27" class="LineNr"> 27 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to ebx</span>
<span id="L28" class="LineNr"> 28 </span> b8/copy-to-eax 1/imm32/exit
<span id="L29" class="LineNr"> 29 </span> cd/syscall 0x80/imm8
<span id="L30" class="LineNr"> 30 </span>
<span id="L31" class="LineNr"> 31 </span><span class="subxComment"># compare a null-terminated ascii string with a more idiomatic length-prefixed byte array</span>
<span id="L32" class="LineNr"> 32 </span><span class="subxComment"># reason for the name: the only place we should have null-terminated ascii strings is from commandline args</span>
<span id="L33" class="LineNr"> 33 </span><span class="subxFunction">kernel-string-equal?</span>: <span class="subxComment"># s: (addr kernel-string), benchmark: (addr array byte) -&gt; eax: boolean</span>
<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># pseudocode:</span>
<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># n = benchmark-&gt;length</span>
<span id="L36" class="LineNr"> 36 </span> <span class="subxComment"># s1 = s</span>
<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># s2 = benchmark-&gt;data</span>
<span id="L38" class="LineNr"> 38 </span> <span class="subxComment"># i = 0</span>
<span id="L39" class="LineNr"> 39 </span> <span class="subxComment"># while (i &lt; n)</span>
<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># c1 = *s1</span>
<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># c2 = *s2</span>
<span id="L42" class="LineNr"> 42 </span> <span class="subxComment"># if (c1 == 0) return false</span>
<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># if (c1 != c2) return false</span>
<span id="L44" class="LineNr"> 44 </span> <span class="subxComment"># ++s1, ++s2, ++i</span>
<span id="L45" class="LineNr"> 45 </span> <span class="subxComment"># return *s1 == 0</span>
<span id="L46" class="LineNr"> 46 </span> <span class="subxComment">#</span>
<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># registers:</span>
<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># i: ecx</span>
<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># n: edx</span>
<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># s1: edi</span>
<span id="L51" class="LineNr"> 51 </span> <span class="subxComment"># s2: esi</span>
<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># c1: eax</span>
<span id="L53" class="LineNr"> 53 </span> <span class="subxComment"># c2: ebx</span>
<span id="L54" class="LineNr"> 54 </span> <span class="subxComment">#</span>
<span id="L55" class="LineNr"> 55 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L56" class="LineNr"> 56 </span> 55/push-ebp
<span id="L57" class="LineNr"> 57 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L58" class="LineNr"> 58 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L59" class="LineNr"> 59 </span> 51/push-ecx
<span id="L60" class="LineNr"> 60 </span> 52/push-edx
<span id="L61" class="LineNr"> 61 </span> 53/push-ebx
<span id="L62" class="LineNr"> 62 </span> 56/push-esi
<span id="L63" class="LineNr"> 63 </span> 57/push-edi
<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># var s1/edi: (addr byte) = s</span>
<span id="L65" class="LineNr"> 65 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span>
<span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># var n/edx: int = benchmark-&gt;length</span>
<span id="L67" class="LineNr"> 67 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edx</span>
<span id="L68" class="LineNr"> 68 </span> 8b/copy 0/mod/indirect 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edx to edx</span>
<span id="L69" class="LineNr"> 69 </span> <span class="subxComment"># var s2/esi: (addr byte) = benchmark-&gt;data</span>
<span id="L70" class="LineNr"> 70 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to esi</span>
<span id="L71" class="LineNr"> 71 </span> 81 0/subop/add 3/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esi</span>
<span id="L72" class="LineNr"> 72 </span> <span class="subxComment"># var i/ecx: int = 0</span>
<span id="L73" class="LineNr"> 73 </span> b9/copy-to-ecx 0/imm32/exit
<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># var c1/eax: byte = 0</span>
<span id="L75" class="LineNr"> 75 </span> b8/copy-to-eax 0/imm32
<span id="L76" class="LineNr"> 76 </span> <span class="subxComment"># var c2/ebx: byte = 0</span>
<span id="L77" class="LineNr"> 77 </span> bb/copy-to-ebx 0/imm32
<span id="L78" class="LineNr"> 78 </span><span class="Constant">$kernel-string-equal?:loop</span>:
<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># if (i &gt;= n) break</span>
<span id="L80" class="LineNr"> 80 </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="L81" class="LineNr"> 81 </span> 7d/jump-if-&gt;= $kernel-string-equal?:<span class="Constant">break</span>/disp8
<span id="L82" class="LineNr"> 82 </span> <span class="subxComment"># c1 = *s1</span>
<span id="L83" class="LineNr"> 83 </span> 8a/copy-byte 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *edi to AL</span>
<span id="L84" class="LineNr"> 84 </span> <span class="subxComment"># c2 = *s2</span>
<span id="L85" class="LineNr"> 85 </span> 8a/copy-byte 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *esi to BL</span>
<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># if (c1 == 0) return false</span>
<span id="L87" class="LineNr"> 87 </span> 3d/compare-eax-and 0/imm32/null
<span id="L88" class="LineNr"> 88 </span> 74/jump-if-= $kernel-string-equal?:false/disp8
<span id="L89" class="LineNr"> 89 </span> <span class="subxComment"># if (c1 != c2) return false</span>
<span id="L90" class="LineNr"> 90 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax and ebx</span>
<span id="L91" class="LineNr"> 91 </span> 75/jump-if-!= $kernel-string-equal?:false/disp8
<span id="L92" class="LineNr"> 92 </span> <span class="subxComment"># ++i</span>
<span id="L93" class="LineNr"> 93 </span> 41/increment-ecx
<span id="L94" class="LineNr"> 94 </span> <span class="subxComment"># ++s1</span>
<span id="L95" class="LineNr"> 95 </span> 47/increment-edi
<span id="L96" class="LineNr"> 96 </span> <span class="subxComment"># ++s2</span>
<span id="L97" class="LineNr"> 97 </span> 46/increment-esi
<span id="L98" class="LineNr"> 98 </span> eb/jump $kernel-string-equal?:<span class="Constant">loop</span>/disp8
<span id="L99" class="LineNr"> 99 </span><span class="Constant">$kernel-string-equal?:break</span>:
<span id="L100" class="LineNr">100 </span> <span class="subxComment"># return *s1 == 0</span>
<span id="L101" class="LineNr">101 </span> 8a/copy-byte 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *edi to AL</span>
<span id="L102" class="LineNr">102 </span> 3d/compare-eax-and 0/imm32/null
<span id="L103" class="LineNr">103 </span> 75/jump-if-!= $kernel-string-equal?:false/disp8
<span id="L104" class="LineNr">104 </span><span class="Constant">$kernel-string-equal?:true</span>:
<span id="L105" class="LineNr">105 </span> b8/copy-to-eax 1/imm32
<span id="L106" class="LineNr">106 </span> eb/jump $kernel-string-equal?:end/disp8
<span id="L107" class="LineNr">107 </span><span class="Constant">$kernel-string-equal?:false</span>:
<span id="L108" class="LineNr">108 </span> b8/copy-to-eax 0/imm32
<span id="L109" class="LineNr">109 </span><span class="Constant">$kernel-string-equal?:end</span>:
<span id="L110" class="LineNr">110 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L111" class="LineNr">111 </span> 5f/pop-to-edi
<span id="L112" class="LineNr">112 </span> 5e/pop-to-esi
<span id="L113" class="LineNr">113 </span> 5b/pop-to-ebx
<span id="L114" class="LineNr">114 </span> 5a/pop-to-edx
<span id="L115" class="LineNr">115 </span> 59/pop-to-ecx
<span id="L116" class="LineNr">116 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L117" class="LineNr">117 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L118" class="LineNr">118 </span> 5d/pop-to-ebp
<span id="L119" class="LineNr">119 </span> c3/return
<span id="L120" class="LineNr">120 </span>
<span id="L121" class="LineNr">121 </span><span class="subxH1Comment"># - tests</span>
<span id="L122" class="LineNr">122 </span>
<span id="L123" class="LineNr">123 </span><span class="subxTest">test-compare-null-kernel-string-with-empty-array</span>:
<span id="L124" class="LineNr">124 </span> <span class="subxComment"># eax = kernel-string-equal?(Null-kernel-string, &quot;&quot;)</span>
<span id="L125" class="LineNr">125 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L126" class="LineNr">126 </span> 68/push <span class="Constant">&quot;&quot;</span>/imm32
<span id="L127" class="LineNr">127 </span> 68/push <span class="SpecialChar"><a href='052kernel-string-equal.subx.html#L265'>Null-kernel-string</a></span>/imm32
<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . call</span>
<span id="L129" class="LineNr">129 </span> e8/call <a href='052kernel-string-equal.subx.html#L33'>kernel-string-equal?</a>/disp32
<span id="L130" class="LineNr">130 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L131" class="LineNr">131 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L132" class="LineNr">132 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span>
<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L134" class="LineNr">134 </span> 68/push <span class="Constant">&quot;F - test-compare-null-kernel-string-with-empty-array&quot;</span>/imm32
<span id="L135" class="LineNr">135 </span> 68/push 1/imm32/true
<span id="L136" class="LineNr">136 </span> 50/push-eax
<span id="L137" class="LineNr">137 </span> <span class="subxS2Comment"># . . call</span>
<span id="L138" class="LineNr">138 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L139" class="LineNr">139 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L140" class="LineNr">140 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L141" class="LineNr">141 </span> c3/return
<span id="L142" class="LineNr">142 </span>
<span id="L143" class="LineNr">143 </span><span class="subxTest">test-compare-null-kernel-string-with-non-empty-array</span>:
<span id="L144" class="LineNr">144 </span> <span class="subxComment"># eax = kernel-string-equal?(Null-kernel-string, &quot;Abc&quot;)</span>
<span id="L145" class="LineNr">145 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L146" class="LineNr">146 </span> 68/push <span class="Constant">&quot;Abc&quot;</span>/imm32
<span id="L147" class="LineNr">147 </span> 68/push <span class="SpecialChar"><a href='052kernel-string-equal.subx.html#L265'>Null-kernel-string</a></span>/imm32
<span id="L148" class="LineNr">148 </span> <span class="subxS2Comment"># . . call</span>
<span id="L149" class="LineNr">149 </span> e8/call <a href='052kernel-string-equal.subx.html#L33'>kernel-string-equal?</a>/disp32
<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L151" class="LineNr">151 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L152" class="LineNr">152 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L153" class="LineNr">153 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L154" class="LineNr">154 </span> 68/push <span class="Constant">&quot;F - test-compare-null-kernel-string-with-non-empty-array&quot;</span>/imm32
<span id="L155" class="LineNr">155 </span> 68/push 0/imm32/false
<span id="L156" class="LineNr">156 </span> 50/push-eax
<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . call</span>
<span id="L158" class="LineNr">158 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L159" class="LineNr">159 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L160" class="LineNr">160 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L161" class="LineNr">161 </span> c3/return
<span id="L162" class="LineNr">162 </span>
<span id="L163" class="LineNr">163 </span><span class="subxTest">test-compare-kernel-string-with-equal-array</span>:
<span id="L164" class="LineNr">164 </span> <span class="subxComment"># eax = kernel-string-equal?(_test-Abc-kernel-string, &quot;Abc&quot;)</span>
<span id="L165" class="LineNr">165 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L166" class="LineNr">166 </span> 68/push <span class="Constant">&quot;Abc&quot;</span>/imm32
<span id="L167" class="LineNr">167 </span> 68/push <a href='052kernel-string-equal.subx.html#L268'>_test-Abc-kernel-string</a>/imm32
<span id="L168" class="LineNr">168 </span> <span class="subxS2Comment"># . . call</span>
<span id="L169" class="LineNr">169 </span> e8/call <a href='052kernel-string-equal.subx.html#L33'>kernel-string-equal?</a>/disp32
<span id="L170" class="LineNr">170 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L171" class="LineNr">171 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L172" class="LineNr">172 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span>
<span id="L173" class="LineNr">173 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L174" class="LineNr">174 </span> 68/push <span class="Constant">&quot;F - test-compare-kernel-string-with-equal-array&quot;</span>/imm32
<span id="L175" class="LineNr">175 </span> 68/push 1/imm32/true
<span id="L176" class="LineNr">176 </span> 50/push-eax
<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . call</span>
<span id="L178" class="LineNr">178 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L179" class="LineNr">179 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L180" class="LineNr">180 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L181" class="LineNr">181 </span> c3/return
<span id="L182" class="LineNr">182 </span>
<span id="L183" class="LineNr">183 </span><span class="subxTest">test-compare-kernel-string-with-inequal-array</span>:
<span id="L184" class="LineNr">184 </span> <span class="subxComment"># eax = kernel-string-equal?(_test-Abc-kernel-string, &quot;Adc&quot;)</span>
<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L186" class="LineNr">186 </span> 68/push <span class="Constant">&quot;Adc&quot;</span>/imm32
<span id="L187" class="LineNr">187 </span> 68/push <a href='052kernel-string-equal.subx.html#L268'>_test-Abc-kernel-string</a>/imm32
<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . call</span>
<span id="L189" class="LineNr">189 </span> e8/call <a href='052kernel-string-equal.subx.html#L33'>kernel-string-equal?</a>/disp32
<span id="L190" class="LineNr">190 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L191" class="LineNr">191 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L192" class="LineNr">192 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L193" class="LineNr">193 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L194" class="LineNr">194 </span> 68/push <span class="Constant">&quot;F - test-compare-kernel-string-with-equal-array&quot;</span>/imm32
<span id="L195" class="LineNr">195 </span> 68/push 0/imm32/false
<span id="L196" class="LineNr">196 </span> 50/push-eax
<span id="L197" class="LineNr">197 </span> <span class="subxS2Comment"># . . call</span>
<span id="L198" class="LineNr">198 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L200" class="LineNr">200 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L201" class="LineNr">201 </span> c3/return
<span id="L202" class="LineNr">202 </span>
<span id="L203" class="LineNr">203 </span><span class="subxTest">test-compare-kernel-string-with-empty-array</span>:
<span id="L204" class="LineNr">204 </span> <span class="subxComment"># eax = kernel-string-equal?(_test-Abc-kernel-string, &quot;&quot;)</span>
<span id="L205" class="LineNr">205 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L206" class="LineNr">206 </span> 68/push <span class="Constant">&quot;&quot;</span>/imm32
<span id="L207" class="LineNr">207 </span> 68/push <a href='052kernel-string-equal.subx.html#L268'>_test-Abc-kernel-string</a>/imm32
<span id="L208" class="LineNr">208 </span> <span class="subxS2Comment"># . . call</span>
<span id="L209" class="LineNr">209 </span> e8/call <a href='052kernel-string-equal.subx.html#L33'>kernel-string-equal?</a>/disp32
<span id="L210" class="LineNr">210 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L211" class="LineNr">211 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L212" class="LineNr">212 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L213" class="LineNr">213 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L214" class="LineNr">214 </span> 68/push <span class="Constant">&quot;F - test-compare-kernel-string-with-equal-array&quot;</span>/imm32
<span id="L215" class="LineNr">215 </span> 68/push 0/imm32/false
<span id="L216" class="LineNr">216 </span> 50/push-eax
<span id="L217" class="LineNr">217 </span> <span class="subxS2Comment"># . . call</span>
<span id="L218" class="LineNr">218 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L219" class="LineNr">219 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L220" class="LineNr">220 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L221" class="LineNr">221 </span> c3/return
<span id="L222" class="LineNr">222 </span>
<span id="L223" class="LineNr">223 </span><span class="subxTest">test-compare-kernel-string-with-shorter-array</span>:
<span id="L224" class="LineNr">224 </span> <span class="subxComment"># eax = kernel-string-equal?(_test-Abc-kernel-string, &quot;Ab&quot;)</span>
<span id="L225" class="LineNr">225 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L226" class="LineNr">226 </span> 68/push <span class="Constant">&quot;Ab&quot;</span>/imm32
<span id="L227" class="LineNr">227 </span> 68/push <a href='052kernel-string-equal.subx.html#L268'>_test-Abc-kernel-string</a>/imm32
<span id="L228" class="LineNr">228 </span> <span class="subxS2Comment"># . . call</span>
<span id="L229" class="LineNr">229 </span> e8/call <a href='052kernel-string-equal.subx.html#L33'>kernel-string-equal?</a>/disp32
<span id="L230" class="LineNr">230 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L231" class="LineNr">231 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L232" class="LineNr">232 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L233" class="LineNr">233 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L234" class="LineNr">234 </span> 68/push <span class="Constant">&quot;F - test-compare-kernel-string-with-shorter-array&quot;</span>/imm32
<span id="L235" class="LineNr">235 </span> 68/push 0/imm32/false
<span id="L236" class="LineNr">236 </span> 50/push-eax
<span id="L237" class="LineNr">237 </span> <span class="subxS2Comment"># . . call</span>
<span id="L238" class="LineNr">238 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L239" class="LineNr">239 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L240" class="LineNr">240 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L241" class="LineNr">241 </span> c3/return
<span id="L242" class="LineNr">242 </span>
<span id="L243" class="LineNr">243 </span><span class="subxTest">test-compare-kernel-string-with-longer-array</span>:
<span id="L244" class="LineNr">244 </span> <span class="subxComment"># eax = kernel-string-equal?(_test-Abc-kernel-string, &quot;Abcd&quot;)</span>
<span id="L245" class="LineNr">245 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L246" class="LineNr">246 </span> 68/push <span class="Constant">&quot;Abcd&quot;</span>/imm32
<span id="L247" class="LineNr">247 </span> 68/push <a href='052kernel-string-equal.subx.html#L268'>_test-Abc-kernel-string</a>/imm32
<span id="L248" class="LineNr">248 </span> <span class="subxS2Comment"># . . call</span>
<span id="L249" class="LineNr">249 </span> e8/call <a href='052kernel-string-equal.subx.html#L33'>kernel-string-equal?</a>/disp32
<span id="L250" class="LineNr">250 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L251" class="LineNr">251 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L252" class="LineNr">252 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L253" class="LineNr">253 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L254" class="LineNr">254 </span> 68/push <span class="Constant">&quot;F - test-compare-kernel-string-with-longer-array&quot;</span>/imm32
<span id="L255" class="LineNr">255 </span> 68/push 0/imm32/false
<span id="L256" class="LineNr">256 </span> 50/push-eax
<span id="L257" class="LineNr">257 </span> <span class="subxS2Comment"># . . call</span>
<span id="L258" class="LineNr">258 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L259" class="LineNr">259 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L260" class="LineNr">260 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L261" class="LineNr">261 </span> c3/return
<span id="L262" class="LineNr">262 </span>
<span id="L263" class="LineNr">263 </span>== data
<span id="L264" class="LineNr">264 </span>
<span id="L265" class="LineNr">265 </span><span class="SpecialChar">Null-kernel-string</span>: <span class="subxComment"># (addr kernel-string)</span>
<span id="L266" class="LineNr">266 </span> 00/null
<span id="L267" class="LineNr">267 </span>
<span id="L268" class="LineNr">268 </span><span class="subxMinorFunction">_test-Abc-kernel-string</span>: <span class="subxComment"># (addr kernel-string)</span>
<span id="L269" class="LineNr">269 </span> 41/A 62/b 63/c 00/null
<span id="L270" class="LineNr">270 </span>
<span id="L271" class="LineNr">271 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># However, we sometimes need to deal with null-terminated strings when</span>
<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># interacting with the Linux kernel. This layer implements a function for</span>
<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># comparing a null-terminated 'kernel string' with a size-prefixed 'SubX</span>
<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># string'.</span>
<span id="L10" class="LineNr"> 10 </span><span class="subxComment">#</span>
<span id="L11" class="LineNr"> 11 </span><span class="subxComment"># To run (from the subx directory):</span>
<span id="L12" class="LineNr"> 12 </span><span class="subxComment"># $ ./bootstrap translate 05[0-2]*.subx -o /tmp/tmp52</span>
<span id="L13" class="LineNr"> 13 </span><span class="subxComment"># $ ./bootstrap run /tmp/tmp52 # runs a series of tests</span>
<span id="L14" class="LineNr"> 14 </span><span class="subxComment"># ...... # all tests pass</span>
<span id="L15" class="LineNr"> 15 </span><span class="subxComment">#</span>
<span id="L16" class="LineNr"> 16 </span><span class="subxComment"># (We can't yet run the tests when given a &quot;test&quot; commandline argument,</span>
<span id="L17" class="LineNr"> 17 </span><span class="subxComment"># because checking for it would require the function being tested! Breakage</span>
<span id="L18" class="LineNr"> 18 </span><span class="subxComment"># would cause tests to not run, rather than to fail as we'd like.)</span>
<span id="L19" class="LineNr"> 19 </span>
<span id="L20" class="LineNr"> 20 </span>== code
<span id="L21" class="LineNr"> 21 </span><span class="subxComment"># instruction effective address register displacement immediate</span>
<span id="L22" class="LineNr"> 22 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span>
<span id="L23" class="LineNr"> 23 </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="L24" class="LineNr"> 24 </span>
<span id="L25" class="LineNr"> 25 </span><span class="SpecialChar">Entry</span>: <span class="subxComment"># run all tests</span>
<span id="L26" class="LineNr"> 26 </span> e8/call run-tests/disp32 <span class="subxComment"># 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.</span>
<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># syscall(exit, Num-test-failures)</span>
<span id="L28" class="LineNr"> 28 </span> 8b/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="SpecialChar"><a href='051test.subx.html#L90'>Num-test-failures</a></span>/disp32 <span class="subxComment"># copy *Num-test-failures to ebx</span>
<span id="L29" class="LineNr"> 29 </span> b8/copy-to-eax 1/imm32/exit
<span id="L30" class="LineNr"> 30 </span> cd/syscall 0x80/imm8
<span id="L31" class="LineNr"> 31 </span>
<span id="L32" class="LineNr"> 32 </span><span class="subxFunction">kernel-string-equal?</span>: <span class="subxComment"># s: (addr kernel-string), benchmark: (addr array byte) -&gt; eax: boolean</span>
<span id="L33" class="LineNr"> 33 </span> <span class="subxComment"># pseudocode:</span>
<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># n = benchmark-&gt;size</span>
<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># s1 = s</span>
<span id="L36" class="LineNr"> 36 </span> <span class="subxComment"># s2 = benchmark-&gt;data</span>
<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># i = 0</span>
<span id="L38" class="LineNr"> 38 </span> <span class="subxComment"># while (i &lt; n)</span>
<span id="L39" class="LineNr"> 39 </span> <span class="subxComment"># c1 = *s1</span>
<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># c2 = *s2</span>
<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># if (c1 == 0) return false</span>
<span id="L42" class="LineNr"> 42 </span> <span class="subxComment"># if (c1 != c2) return false</span>
<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># ++s1, ++s2, ++i</span>
<span id="L44" class="LineNr"> 44 </span> <span class="subxComment"># return *s1 == 0</span>
<span id="L45" class="LineNr"> 45 </span> <span class="subxComment">#</span>
<span id="L46" class="LineNr"> 46 </span> <span class="subxComment"># registers:</span>
<span id="L47" class="LineNr"> 47 </span> <span class="subxComment"># i: ecx</span>
<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># n: edx</span>
<span id="L49" class="LineNr"> 49 </span> <span class="subxComment"># s1: edi</span>
<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># s2: esi</span>
<span id="L51" class="LineNr"> 51 </span> <span class="subxComment"># c1: eax</span>
<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># c2: ebx</span>
<span id="L53" class="LineNr"> 53 </span> <span class="subxComment">#</span>
<span id="L54" class="LineNr"> 54 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L55" class="LineNr"> 55 </span> 55/push-ebp
<span id="L56" class="LineNr"> 56 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L57" class="LineNr"> 57 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L58" class="LineNr"> 58 </span> 51/push-ecx
<span id="L59" class="LineNr"> 59 </span> 52/push-edx
<span id="L60" class="LineNr"> 60 </span> 53/push-ebx
<span id="L61" class="LineNr"> 61 </span> 56/push-esi
<span id="L62" class="LineNr"> 62 </span> 57/push-edi
<span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># var s1/edi: (addr byte) = s</span>
<span id="L64" class="LineNr"> 64 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span>
<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># var n/edx: int = benchmark-&gt;size</span>
<span id="L66" class="LineNr"> 66 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edx</span>
<span id="L67" class="LineNr"> 67 </span> 8b/copy 0/mod/indirect 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edx to edx</span>
<span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># var s2/esi: (addr byte) = benchmark-&gt;data</span>
<span id="L69" class="LineNr"> 69 </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="L70" class="LineNr"> 70 </span> 81 0/subop/add 3/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esi</span>
<span id="L71" class="LineNr"> 71 </span> <span class="subxComment"># var i/ecx: int = 0</span>
<span id="L72" class="LineNr"> 72 </span> b9/copy-to-ecx 0/imm32/exit
<span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># var c1/eax: byte = 0</span>
<span id="L74" class="LineNr"> 74 </span> b8/copy-to-eax 0/imm32
<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># var c2/ebx: byte = 0</span>
<span id="L76" class="LineNr"> 76 </span> bb/copy-to-ebx 0/imm32
<span id="L77" class="LineNr"> 77 </span><span class="Constant">$kernel-string-equal?:loop</span>:
<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># if (i &gt;= n) break</span>
<span id="L79" class="LineNr"> 79 </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="L80" class="LineNr"> 80 </span> 7d/jump-if-&gt;= $kernel-string-equal?:<span class="Constant">break</span>/disp8
<span id="L81" class="LineNr"> 81 </span> <span class="subxComment"># c1 = *s1</span>
<span id="L82" class="LineNr"> 82 </span> 8a/copy-byte 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *edi to AL</span>
<span id="L83" class="LineNr"> 83 </span> <span class="subxComment"># c2 = *s2</span>
<span id="L84" class="LineNr"> 84 </span> 8a/copy-byte 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/BL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *esi to BL</span>
<span id="L85" class="LineNr"> 85 </span> <span class="subxComment"># if (c1 == 0) return false</span>
<span id="L86" class="LineNr"> 86 </span> 3d/compare-eax-and 0/imm32/null
<span id="L87" class="LineNr"> 87 </span> 74/jump-if-= $kernel-string-equal?:false/disp8
<span id="L88" class="LineNr"> 88 </span> <span class="subxComment"># if (c1 != c2) return false</span>
<span id="L89" class="LineNr"> 89 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax and ebx</span>
<span id="L90" class="LineNr"> 90 </span> 75/jump-if-!= $kernel-string-equal?:false/disp8
<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># ++i</span>
<span id="L92" class="LineNr"> 92 </span> 41/increment-ecx
<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># ++s1</span>
<span id="L94" class="LineNr"> 94 </span> 47/increment-edi
<span id="L95" class="LineNr"> 95 </span> <span class="subxComment"># ++s2</span>
<span id="L96" class="LineNr"> 96 </span> 46/increment-esi
<span id="L97" class="LineNr"> 97 </span> eb/jump $kernel-string-equal?:<span class="Constant">loop</span>/disp8
<span id="L98" class="LineNr"> 98 </span><span class="Constant">$kernel-string-equal?:break</span>:
<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># return *s1 == 0</span>
<span id="L100" class="LineNr">100 </span> 8a/copy-byte 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/AL <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy byte at *edi to AL</span>
<span id="L101" class="LineNr">101 </span> 3d/compare-eax-and 0/imm32/null
<span id="L102" class="LineNr">102 </span> 75/jump-if-!= $kernel-string-equal?:false/disp8
<span id="L103" class="LineNr">103 </span><span class="Constant">$kernel-string-equal?:true</span>:
<span id="L104" class="LineNr">104 </span> b8/copy-to-eax 1/imm32
<span id="L105" class="LineNr">105 </span> eb/jump $kernel-string-equal?:end/disp8
<span id="L106" class="LineNr">106 </span><span class="Constant">$kernel-string-equal?:false</span>:
<span id="L107" class="LineNr">107 </span> b8/copy-to-eax 0/imm32
<span id="L108" class="LineNr">108 </span><span class="Constant">$kernel-string-equal?:end</span>:
<span id="L109" class="LineNr">109 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L110" class="LineNr">110 </span> 5f/pop-to-edi
<span id="L111" class="LineNr">111 </span> 5e/pop-to-esi
<span id="L112" class="LineNr">112 </span> 5b/pop-to-ebx
<span id="L113" class="LineNr">113 </span> 5a/pop-to-edx
<span id="L114" class="LineNr">114 </span> 59/pop-to-ecx
<span id="L115" class="LineNr">115 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L116" class="LineNr">116 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L117" class="LineNr">117 </span> 5d/pop-to-ebp
<span id="L118" class="LineNr">118 </span> c3/return
<span id="L119" class="LineNr">119 </span>
<span id="L120" class="LineNr">120 </span><span class="subxH1Comment"># - tests</span>
<span id="L121" class="LineNr">121 </span>
<span id="L122" class="LineNr">122 </span><span class="subxTest">test-compare-null-kernel-string-with-empty-array</span>:
<span id="L123" class="LineNr">123 </span> <span class="subxComment"># eax = kernel-string-equal?(Null-kernel-string, &quot;&quot;)</span>
<span id="L124" class="LineNr">124 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L125" class="LineNr">125 </span> 68/push <span class="Constant">&quot;&quot;</span>/imm32
<span id="L126" class="LineNr">126 </span> 68/push <span class="SpecialChar"><a href='052kernel-string-equal.subx.html#L264'>Null-kernel-string</a></span>/imm32
<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . call</span>
<span id="L128" class="LineNr">128 </span> e8/call <a href='052kernel-string-equal.subx.html#L32'>kernel-string-equal?</a>/disp32
<span id="L129" class="LineNr">129 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L130" class="LineNr">130 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L131" class="LineNr">131 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span>
<span id="L132" class="LineNr">132 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L133" class="LineNr">133 </span> 68/push <span class="Constant">&quot;F - test-compare-null-kernel-string-with-empty-array&quot;</span>/imm32
<span id="L134" class="LineNr">134 </span> 68/push 1/imm32/true
<span id="L135" class="LineNr">135 </span> 50/push-eax
<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . call</span>
<span id="L137" class="LineNr">137 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L139" class="LineNr">139 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L140" class="LineNr">140 </span> c3/return
<span id="L141" class="LineNr">141 </span>
<span id="L142" class="LineNr">142 </span><span class="subxTest">test-compare-null-kernel-string-with-non-empty-array</span>:
<span id="L143" class="LineNr">143 </span> <span class="subxComment"># eax = kernel-string-equal?(Null-kernel-string, &quot;Abc&quot;)</span>
<span id="L144" class="LineNr">144 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L145" class="LineNr">145 </span> 68/push <span class="Constant">&quot;Abc&quot;</span>/imm32
<span id="L146" class="LineNr">146 </span> 68/push <span class="SpecialChar"><a href='052kernel-string-equal.subx.html#L264'>Null-kernel-string</a></span>/imm32
<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . call</span>
<span id="L148" class="LineNr">148 </span> e8/call <a href='052kernel-string-equal.subx.html#L32'>kernel-string-equal?</a>/disp32
<span id="L149" class="LineNr">149 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L150" class="LineNr">150 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L151" class="LineNr">151 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L152" class="LineNr">152 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L153" class="LineNr">153 </span> 68/push <span class="Constant">&quot;F - test-compare-null-kernel-string-with-non-empty-array&quot;</span>/imm32
<span id="L154" class="LineNr">154 </span> 68/push 0/imm32/false
<span id="L155" class="LineNr">155 </span> 50/push-eax
<span id="L156" class="LineNr">156 </span> <span class="subxS2Comment"># . . call</span>
<span id="L157" class="LineNr">157 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L158" class="LineNr">158 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L159" class="LineNr">159 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L160" class="LineNr">160 </span> c3/return
<span id="L161" class="LineNr">161 </span>
<span id="L162" class="LineNr">162 </span><span class="subxTest">test-compare-kernel-string-with-equal-array</span>:
<span id="L163" class="LineNr">163 </span> <span class="subxComment"># eax = kernel-string-equal?(_test-Abc-kernel-string, &quot;Abc&quot;)</span>
<span id="L164" class="LineNr">164 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L165" class="LineNr">165 </span> 68/push <span class="Constant">&quot;Abc&quot;</span>/imm32
<span id="L166" class="LineNr">166 </span> 68/push <a href='052kernel-string-equal.subx.html#L267'>_test-Abc-kernel-string</a>/imm32
<span id="L167" class="LineNr">167 </span> <span class="subxS2Comment"># . . call</span>
<span id="L168" class="LineNr">168 </span> e8/call <a href='052kernel-string-equal.subx.html#L32'>kernel-string-equal?</a>/disp32
<span id="L169" class="LineNr">169 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L170" class="LineNr">170 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L171" class="LineNr">171 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span>
<span id="L172" class="LineNr">172 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L173" class="LineNr">173 </span> 68/push <span class="Constant">&quot;F - test-compare-kernel-string-with-equal-array&quot;</span>/imm32
<span id="L174" class="LineNr">174 </span> 68/push 1/imm32/true
<span id="L175" class="LineNr">175 </span> 50/push-eax
<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . call</span>
<span id="L177" class="LineNr">177 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L179" class="LineNr">179 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L180" class="LineNr">180 </span> c3/return
<span id="L181" class="LineNr">181 </span>
<span id="L182" class="LineNr">182 </span><span class="subxTest">test-compare-kernel-string-with-inequal-array</span>:
<span id="L183" class="LineNr">183 </span> <span class="subxComment"># eax = kernel-string-equal?(_test-Abc-kernel-string, &quot;Adc&quot;)</span>
<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L185" class="LineNr">185 </span> 68/push <span class="Constant">&quot;Adc&quot;</span>/imm32
<span id="L186" class="LineNr">186 </span> 68/push <a href='052kernel-string-equal.subx.html#L267'>_test-Abc-kernel-string</a>/imm32
<span id="L187" class="LineNr">187 </span> <span class="subxS2Comment"># . . call</span>
<span id="L188" class="LineNr">188 </span> e8/call <a href='052kernel-string-equal.subx.html#L32'>kernel-string-equal?</a>/disp32
<span id="L189" class="LineNr">189 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L190" class="LineNr">190 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L191" class="LineNr">191 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L192" class="LineNr">192 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L193" class="LineNr">193 </span> 68/push <span class="Constant">&quot;F - test-compare-kernel-string-with-equal-array&quot;</span>/imm32
<span id="L194" class="LineNr">194 </span> 68/push 0/imm32/false
<span id="L195" class="LineNr">195 </span> 50/push-eax
<span id="L196" class="LineNr">196 </span> <span class="subxS2Comment"># . . call</span>
<span id="L197" class="LineNr">197 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L198" class="LineNr">198 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L199" class="LineNr">199 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L200" class="LineNr">200 </span> c3/return
<span id="L201" class="LineNr">201 </span>
<span id="L202" class="LineNr">202 </span><span class="subxTest">test-compare-kernel-string-with-empty-array</span>:
<span id="L203" class="LineNr">203 </span> <span class="subxComment"># eax = kernel-string-equal?(_test-Abc-kernel-string, &quot;&quot;)</span>
<span id="L204" class="LineNr">204 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L205" class="LineNr">205 </span> 68/push <span class="Constant">&quot;&quot;</span>/imm32
<span id="L206" class="LineNr">206 </span> 68/push <a href='052kernel-string-equal.subx.html#L267'>_test-Abc-kernel-string</a>/imm32
<span id="L207" class="LineNr">207 </span> <span class="subxS2Comment"># . . call</span>
<span id="L208" class="LineNr">208 </span> e8/call <a href='052kernel-string-equal.subx.html#L32'>kernel-string-equal?</a>/disp32
<span id="L209" class="LineNr">209 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L210" class="LineNr">210 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L211" class="LineNr">211 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L212" class="LineNr">212 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L213" class="LineNr">213 </span> 68/push <span class="Constant">&quot;F - test-compare-kernel-string-with-equal-array&quot;</span>/imm32
<span id="L214" class="LineNr">214 </span> 68/push 0/imm32/false
<span id="L215" class="LineNr">215 </span> 50/push-eax
<span id="L216" class="LineNr">216 </span> <span class="subxS2Comment"># . . call</span>
<span id="L217" class="LineNr">217 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L218" class="LineNr">218 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L219" class="LineNr">219 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L220" class="LineNr">220 </span> c3/return
<span id="L221" class="LineNr">221 </span>
<span id="L222" class="LineNr">222 </span><span class="subxTest">test-compare-kernel-string-with-shorter-array</span>:
<span id="L223" class="LineNr">223 </span> <span class="subxComment"># eax = kernel-string-equal?(_test-Abc-kernel-string, &quot;Ab&quot;)</span>
<span id="L224" class="LineNr">224 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L225" class="LineNr">225 </span> 68/push <span class="Constant">&quot;Ab&quot;</span>/imm32
<span id="L226" class="LineNr">226 </span> 68/push <a href='052kernel-string-equal.subx.html#L267'>_test-Abc-kernel-string</a>/imm32
<span id="L227" class="LineNr">227 </span> <span class="subxS2Comment"># . . call</span>
<span id="L228" class="LineNr">228 </span> e8/call <a href='052kernel-string-equal.subx.html#L32'>kernel-string-equal?</a>/disp32
<span id="L229" class="LineNr">229 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L230" class="LineNr">230 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L231" class="LineNr">231 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L232" class="LineNr">232 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L233" class="LineNr">233 </span> 68/push <span class="Constant">&quot;F - test-compare-kernel-string-with-shorter-array&quot;</span>/imm32
<span id="L234" class="LineNr">234 </span> 68/push 0/imm32/false
<span id="L235" class="LineNr">235 </span> 50/push-eax
<span id="L236" class="LineNr">236 </span> <span class="subxS2Comment"># . . call</span>
<span id="L237" class="LineNr">237 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L238" class="LineNr">238 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L239" class="LineNr">239 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L240" class="LineNr">240 </span> c3/return
<span id="L241" class="LineNr">241 </span>
<span id="L242" class="LineNr">242 </span><span class="subxTest">test-compare-kernel-string-with-longer-array</span>:
<span id="L243" class="LineNr">243 </span> <span class="subxComment"># eax = kernel-string-equal?(_test-Abc-kernel-string, &quot;Abcd&quot;)</span>
<span id="L244" class="LineNr">244 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L245" class="LineNr">245 </span> 68/push <span class="Constant">&quot;Abcd&quot;</span>/imm32
<span id="L246" class="LineNr">246 </span> 68/push <a href='052kernel-string-equal.subx.html#L267'>_test-Abc-kernel-string</a>/imm32
<span id="L247" class="LineNr">247 </span> <span class="subxS2Comment"># . . call</span>
<span id="L248" class="LineNr">248 </span> e8/call <a href='052kernel-string-equal.subx.html#L32'>kernel-string-equal?</a>/disp32
<span id="L249" class="LineNr">249 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L250" class="LineNr">250 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L251" class="LineNr">251 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L252" class="LineNr">252 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L253" class="LineNr">253 </span> 68/push <span class="Constant">&quot;F - test-compare-kernel-string-with-longer-array&quot;</span>/imm32
<span id="L254" class="LineNr">254 </span> 68/push 0/imm32/false
<span id="L255" class="LineNr">255 </span> 50/push-eax
<span id="L256" class="LineNr">256 </span> <span class="subxS2Comment"># . . call</span>
<span id="L257" class="LineNr">257 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L258" class="LineNr">258 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L259" class="LineNr">259 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L260" class="LineNr">260 </span> c3/return
<span id="L261" class="LineNr">261 </span>
<span id="L262" class="LineNr">262 </span>== data
<span id="L263" class="LineNr">263 </span>
<span id="L264" class="LineNr">264 </span><span class="SpecialChar">Null-kernel-string</span>: <span class="subxComment"># (addr kernel-string)</span>
<span id="L265" class="LineNr">265 </span> 00/null
<span id="L266" class="LineNr">266 </span>
<span id="L267" class="LineNr">267 </span><span class="subxMinorFunction">_test-Abc-kernel-string</span>: <span class="subxComment"># (addr kernel-string)</span>
<span id="L268" class="LineNr">268 </span> 41/A 62/b 63/c 00/null
<span id="L269" class="LineNr">269 </span>
<span id="L270" class="LineNr">270 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
</pre>
</body>
</html>

2
html/053new-segment.subx.html
View File

@ -21,8 +21,8 @@ a { color:inherit; }
.subxS1Comment { color: #0000af; }
.SpecialChar { color: #d70000; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxMinorFunction { color: #875f5f; }
.Constant { color: #008787; }
.subxMinorFunction { color: #875f5f; }
-->
</style>

32
html/054string-equal.subx.html
View File

@ -15,15 +15,15 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color:
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.CommentedCode { color: #8a8a8a; }
.SpecialChar { color: #d70000; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxS2Comment { color: #8a8a8a; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
-->
</style>
@ -60,7 +60,7 @@ if ('onhashchange' in window) {
<body onload='JumpToLine();'>
<a href='https://github.com/akkartik/mu/blob/master/054string-equal.subx'>https://github.com/akkartik/mu/blob/master/054string-equal.subx</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Comparing 'regular' length-prefixed strings.</span>
<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Comparing 'regular' size-prefixed strings.</span>
<span id="L2" class="LineNr"> 2 </span>
<span id="L3" class="LineNr"> 3 </span>== code
<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># instruction effective address register displacement immediate</span>
@ -77,7 +77,7 @@ if ('onhashchange' in window) {
<span id="L15" class="LineNr"> 15 </span>
<span id="L16" class="LineNr"> 16 </span><span class="subxFunction">string-equal?</span>: <span class="subxComment"># s: (addr array byte), benchmark: (addr array byte) -&gt; eax: boolean</span>
<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># pseudocode:</span>
<span id="L18" class="LineNr"> 18 </span> <span class="subxComment"># if (s-&gt;length != benchmark-&gt;length) return false</span>
<span id="L18" class="LineNr"> 18 </span> <span class="subxComment"># if (s-&gt;size != benchmark-&gt;size) return false</span>
<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># return string-starts-with?(s, benchmark)</span>
<span id="L20" class="LineNr"> 20 </span> <span class="subxComment">#</span>
<span id="L21" class="LineNr"> 21 </span> <span class="subxS1Comment"># . prologue</span>
@ -91,10 +91,10 @@ if ('onhashchange' in window) {
<span id="L29" class="LineNr"> 29 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span>
<span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># edi = benchmark</span>
<span id="L31" class="LineNr"> 31 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edi</span>
<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># ecx = s-&gt;length</span>
<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># ecx = s-&gt;size</span>
<span id="L33" class="LineNr"> 33 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ecx</span>
<span id="L34" class="LineNr"> 34 </span><span class="Constant">$string-equal?:lengths</span>:
<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># if (ecx != benchmark-&gt;length) return false</span>
<span id="L34" class="LineNr"> 34 </span><span class="Constant">$string-equal?:sizes</span>:
<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># if (ecx != benchmark-&gt;size) return false</span>
<span id="L36" class="LineNr"> 36 </span> 39/compare 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *edi and ecx</span>
<span id="L37" class="LineNr"> 37 </span> b8/copy-to-eax 0/imm32/false
<span id="L38" class="LineNr"> 38 </span> 75/jump-if-!= $string-equal?:end/disp8
@ -119,10 +119,10 @@ if ('onhashchange' in window) {
<span id="L57" class="LineNr"> 57 </span>
<span id="L58" class="LineNr"> 58 </span><span class="subxFunction">string-starts-with?</span>: <span class="subxComment"># s: (addr array byte), benchmark: (addr array byte) -&gt; eax: boolean</span>
<span id="L59" class="LineNr"> 59 </span> <span class="subxComment"># pseudocode:</span>
<span id="L60" class="LineNr"> 60 </span> <span class="subxComment"># if (s-&gt;length &lt; benchmark-&gt;length) return false</span>
<span id="L60" class="LineNr"> 60 </span> <span class="subxComment"># if (s-&gt;size &lt; benchmark-&gt;size) return false</span>
<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># currs = s-&gt;data</span>
<span id="L62" class="LineNr"> 62 </span> <span class="subxComment"># currb = benchmark-&gt;data</span>
<span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># maxb = &amp;benchmark-&gt;data[benchmark-&gt;length]</span>
<span id="L63" class="LineNr"> 63 </span> <span class="subxComment"># maxb = &amp;benchmark-&gt;data[benchmark-&gt;size]</span>
<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># while currb &lt; maxb</span>
<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># c1 = *currs</span>
<span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># c2 = *currb</span>
@ -149,17 +149,17 @@ if ('onhashchange' in window) {
<span id="L87" class="LineNr"> 87 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span>
<span id="L88" class="LineNr"> 88 </span> <span class="subxComment"># edi = benchmark</span>
<span id="L89" class="LineNr"> 89 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edi</span>
<span id="L90" class="LineNr"> 90 </span> <span class="subxComment"># var blen/ecx: int = benchmark-&gt;length</span>
<span id="L90" class="LineNr"> 90 </span> <span class="subxComment"># var bsize/ecx: int = benchmark-&gt;size</span>
<span id="L91" class="LineNr"> 91 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to ecx</span>
<span id="L92" class="LineNr"> 92 </span><span class="Constant">$string-starts-with?:lengths</span>:
<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># if (s-&gt;length &lt; blen) return false</span>
<span id="L92" class="LineNr"> 92 </span><span class="Constant">$string-starts-with?:sizes</span>:
<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># if (s-&gt;size &lt; bsize) return false</span>
<span id="L94" class="LineNr"> 94 </span> 39/compare 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *esi with ecx</span>
<span id="L95" class="LineNr"> 95 </span> 7c/jump-if-&lt; $string-starts-with?:false/disp8
<span id="L96" class="LineNr"> 96 </span> <span class="subxComment"># var currs/esi: (addr byte) = s-&gt;data</span>
<span id="L97" class="LineNr"> 97 </span> 81 0/subop/add 3/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esi</span>
<span id="L98" class="LineNr"> 98 </span> <span class="subxComment"># var currb/edi: (addr byte) = benchmark-&gt;data</span>
<span id="L99" class="LineNr"> 99 </span> 81 0/subop/add 3/mod/direct 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to edi</span>
<span id="L100" class="LineNr">100 </span> <span class="subxComment"># var maxb/ecx: (addr byte) = &amp;benchmark-&gt;data[benchmark-&gt;length]</span>
<span id="L100" class="LineNr">100 </span> <span class="subxComment"># var maxb/ecx: (addr byte) = &amp;benchmark-&gt;data[benchmark-&gt;size]</span>
<span id="L101" class="LineNr">101 </span> 01/add 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add edi to ecx</span>
<span id="L102" class="LineNr">102 </span> <span class="subxComment"># var c1/eax: byte = 0</span>
<span id="L103" class="LineNr">103 </span> 31/xor 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear eax</span>
@ -219,7 +219,7 @@ if ('onhashchange' in window) {
<span id="L157" class="LineNr">157 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L158" class="LineNr">158 </span> c3/return
<span id="L159" class="LineNr">159 </span>
<span id="L160" class="LineNr">160 </span><span class="subxTest">test-compare-empty-with-non-empty-string</span>: <span class="subxComment"># also checks length-mismatch code path</span>
<span id="L160" class="LineNr">160 </span><span class="subxTest">test-compare-empty-with-non-empty-string</span>: <span class="subxComment"># also checks size-mismatch code path</span>
<span id="L161" class="LineNr">161 </span> <span class="subxComment"># eax = string-equal?(&quot;&quot;, &quot;Abc&quot;)</span>
<span id="L162" class="LineNr">162 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L163" class="LineNr">163 </span> 68/push <span class="Constant">&quot;Abc&quot;</span>/imm32
@ -259,7 +259,7 @@ if ('onhashchange' in window) {
<span id="L197" class="LineNr">197 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L198" class="LineNr">198 </span> c3/return
<span id="L199" class="LineNr">199 </span>
<span id="L200" class="LineNr">200 </span><span class="subxTest">test-compare-inequal-strings-equal-lengths</span>:
<span id="L200" class="LineNr">200 </span><span class="subxTest">test-compare-inequal-strings-equal-sizes</span>:
<span id="L201" class="LineNr">201 </span> <span class="subxComment"># eax = string-equal?(&quot;Abc&quot;, &quot;Adc&quot;)</span>
<span id="L202" class="LineNr">202 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L203" class="LineNr">203 </span> 68/push <span class="Constant">&quot;Adc&quot;</span>/imm32
@ -270,7 +270,7 @@ if ('onhashchange' in window) {
<span id="L208" class="LineNr">208 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L209" class="LineNr">209 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L210" class="LineNr">210 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L211" class="LineNr">211 </span> 68/push <span class="Constant">&quot;F - test-compare-inequal-strings-equal-lengths&quot;</span>/imm32
<span id="L211" class="LineNr">211 </span> 68/push <span class="Constant">&quot;F - test-compare-inequal-strings-equal-sizes&quot;</span>/imm32
<span id="L212" class="LineNr">212 </span> 68/push 0/imm32/false
<span id="L213" class="LineNr">213 </span> 50/push-eax
<span id="L214" class="LineNr">214 </span> <span class="subxS2Comment"># . . call</span>

10
html/055stream.subx.html
View File

@ -16,9 +16,9 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
@ -62,10 +62,10 @@ if ('onhashchange' in window) {
<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># A stream looks like this:</span>
<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># write: int # index at which writes go</span>
<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># read: int # index that we've read until</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># data: (array byte) # prefixed by length as usual</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># data: (array byte) # prefixed by size as usual</span>
<span id="L7" class="LineNr"> 7 </span><span class="subxComment">#</span>
<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># some primitives for operating on streams:</span>
<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># - clear-stream (clears everything but the data length)</span>
<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># - clear-stream (clears everything but the data size)</span>
<span id="L10" class="LineNr">10 </span><span class="subxComment"># - rewind-stream (resets read pointer)</span>
<span id="L11" class="LineNr">11 </span>
<span id="L12" class="LineNr">12 </span>== code
@ -82,9 +82,9 @@ if ('onhashchange' in window) {
<span id="L23" class="LineNr">23 </span> 51/push-ecx
<span id="L24" class="LineNr">24 </span> <span class="subxComment"># eax = f</span>
<span id="L25" class="LineNr">25 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span>
<span id="L26" class="LineNr">26 </span> <span class="subxComment"># var count/ecx: int = f-&gt;length</span>
<span id="L26" class="LineNr">26 </span> <span class="subxComment"># var count/ecx: int = f-&gt;size</span>
<span id="L27" class="LineNr">27 </span> 8b/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(eax+8) to ecx</span>
<span id="L28" class="LineNr">28 </span> <span class="subxComment"># var max/ecx: (addr byte) = &amp;f-&gt;data[f-&gt;length]</span>
<span id="L28" class="LineNr">28 </span> <span class="subxComment"># var max/ecx: (addr byte) = &amp;f-&gt;data[f-&gt;size]</span>
<span id="L29" class="LineNr">29 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+12 to ecx</span>
<span id="L30" class="LineNr">30 </span> <span class="subxComment"># f-&gt;write = 0</span>
<span id="L31" class="LineNr">31 </span> c7 0/subop/copy 0/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *eax</span>

38
html/056trace.subx.html
View File

@ -15,17 +15,17 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color:
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.CommentedCode { color: #8a8a8a; }
.SpecialChar { color: #d70000; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxMinorFunction { color: #875f5f; }
.subxS2Comment { color: #8a8a8a; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
.subxMinorFunction { color: #875f5f; }
-->
</style>
@ -66,7 +66,7 @@ if ('onhashchange' in window) {
<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># A trace stream looks like a regular stream:</span>
<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># write: int # index at which writes go</span>
<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># read: int # index that we've read until</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># data: (array byte) # prefixed by length as usual</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># data: (array byte) # prefixed by size as usual</span>
<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># Usually the trace stream will be in a separate segment set aside for the purpose.</span>
<span id="L8" class="LineNr"> 8 </span><span class="subxComment">#</span>
<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># primitives for operating on traces (arguments in quotes):</span>
@ -96,7 +96,7 @@ if ('onhashchange' in window) {
<span id="L33" class="LineNr"> 33 </span> 0/imm32
<span id="L34" class="LineNr"> 34 </span> <span class="subxComment"># current read index</span>
<span id="L35" class="LineNr"> 35 </span> 0/imm32
<span id="L36" class="LineNr"> 36 </span> <span class="subxComment"># length</span>
<span id="L36" class="LineNr"> 36 </span> <span class="subxComment"># size</span>
<span id="L37" class="LineNr"> 37 </span> 8/imm32
<span id="L38" class="LineNr"> 38 </span> <span class="subxComment"># data</span>
<span id="L39" class="LineNr"> 39 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span>
@ -106,7 +106,7 @@ if ('onhashchange' in window) {
<span id="L43" class="LineNr"> 43 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span>
<span id="L44" class="LineNr"> 44 </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="L45" class="LineNr"> 45 </span>
<span id="L46" class="LineNr"> 46 </span><span class="subxComment"># Allocate a new segment for the trace stream, initialize its length, and save its address to Trace-stream.</span>
<span id="L46" class="LineNr"> 46 </span><span class="subxComment"># Allocate a new segment for the trace stream, initialize its size, and save its address to Trace-stream.</span>
<span id="L47" class="LineNr"> 47 </span><span class="subxComment"># The Trace-stream segment will consist of variable-length lines separated by newlines (0x0a)</span>
<span id="L48" class="LineNr"> 48 </span><span class="subxFunction">initialize-trace-stream</span>: <span class="subxComment"># n: int</span>
<span id="L49" class="LineNr"> 49 </span> <span class="subxS1Comment"># . prologue</span>
@ -130,10 +130,10 @@ if ('onhashchange' in window) {
<span id="L67" class="LineNr"> 67 </span><span class="CommentedCode">#? # watch point to catch Trace-stream leaks</span>
<span id="L68" class="LineNr"> 68 </span><span class="CommentedCode">#? $watch-1:</span>
<span id="L69" class="LineNr"> 69 </span> 89/copy 0/mod/indirect 5/rm32/.disp32 <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="SpecialChar"><a href='056trace.subx.html#L21'>Trace-stream</a></span>/disp32 <span class="subxComment"># copy eax to *Trace-stream</span>
<span id="L70" class="LineNr"> 70 </span> <span class="subxComment"># Trace-stream-&gt;length = n - 12</span>
<span id="L70" class="LineNr"> 70 </span> <span class="subxComment"># Trace-stream-&gt;size = n - 12</span>
<span id="L71" class="LineNr"> 71 </span> <span class="subxS1Comment"># . ecx -= 12</span>
<span id="L72" class="LineNr"> 72 </span> 81 5/subop/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># subtract from ecx</span>
<span id="L73" class="LineNr"> 73 </span> <span class="subxS1Comment"># . Trace-stream-&gt;length = ecx</span>
<span id="L73" class="LineNr"> 73 </span> <span class="subxS1Comment"># . Trace-stream-&gt;size = ecx</span>
<span id="L74" class="LineNr"> 74 </span> 89/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx to *(eax+8)</span>
<span id="L75" class="LineNr"> 75 </span><span class="Constant">$initialize-trace-stream:end</span>:
<span id="L76" class="LineNr"> 76 </span> <span class="subxS1Comment"># . restore registers</span>
@ -163,12 +163,12 @@ if ('onhashchange' in window) {
<span id="L100" class="LineNr">100 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span>
<span id="L101" class="LineNr">101 </span> <span class="subxComment"># var ecx: int = t-&gt;write</span>
<span id="L102" class="LineNr">102 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to ecx</span>
<span id="L103" class="LineNr">103 </span> <span class="subxComment"># var edx: int = t-&gt;length</span>
<span id="L103" class="LineNr">103 </span> <span class="subxComment"># var edx: int = t-&gt;size</span>
<span id="L104" class="LineNr">104 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+8) to edx</span>
<span id="L105" class="LineNr">105 </span> <span class="subxComment"># eax = _append-3(&amp;t-&gt;data[t-&gt;write], &amp;t-&gt;data[t-&gt;length], line)</span>
<span id="L105" class="LineNr">105 </span> <span class="subxComment"># eax = _append-3(&amp;t-&gt;data[t-&gt;write], &amp;t-&gt;data[t-&gt;size], line)</span>
<span id="L106" class="LineNr">106 </span> <span class="subxS2Comment"># . . push line</span>
<span id="L107" class="LineNr">107 </span> 56/push-esi
<span id="L108" class="LineNr">108 </span> <span class="subxS2Comment"># . . push &amp;t-&gt;data[t-&gt;length]</span>
<span id="L108" class="LineNr">108 </span> <span class="subxS2Comment"># . . push &amp;t-&gt;data[t-&gt;size]</span>
<span id="L109" class="LineNr">109 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 2/index/edx <span class="Normal"> . </span> 3/r32/ebx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy edi+edx+12 to ebx</span>
<span id="L110" class="LineNr">110 </span> 53/push-ebx
<span id="L111" class="LineNr">111 </span> <span class="subxS2Comment"># . . push &amp;t-&gt;data[t-&gt;write]</span>
@ -185,10 +185,10 @@ if ('onhashchange' in window) {
<span id="L122" class="LineNr">122 </span> 01/add 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add eax to *edi</span>
<span id="L123" class="LineNr">123 </span> <span class="subxComment"># refresh ecx = t-&gt;write</span>
<span id="L124" class="LineNr">124 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to ecx</span>
<span id="L125" class="LineNr">125 </span> <span class="subxComment"># eax = _append-3(&amp;t-&gt;data[t-&gt;write], &amp;t-&gt;data[t-&gt;length], line)</span>
<span id="L125" class="LineNr">125 </span> <span class="subxComment"># eax = _append-3(&amp;t-&gt;data[t-&gt;write], &amp;t-&gt;data[t-&gt;size], line)</span>
<span id="L126" class="LineNr">126 </span> <span class="subxS2Comment"># . . push line</span>
<span id="L127" class="LineNr">127 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L83'>Newline</a></span>/imm32
<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . push &amp;t-&gt;data[t-&gt;length]</span>
<span id="L128" class="LineNr">128 </span> <span class="subxS2Comment"># . . push &amp;t-&gt;data[t-&gt;size]</span>
<span id="L129" class="LineNr">129 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 2/index/edx <span class="Normal"> . </span> 3/r32/ebx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy edi+edx+12 to ebx</span>
<span id="L130" class="LineNr">130 </span> 53/push-ebx
<span id="L131" class="LineNr">131 </span> <span class="subxS2Comment"># . . push &amp;t-&gt;data[t-&gt;write]</span>
@ -931,8 +931,8 @@ if ('onhashchange' in window) {
<span id="L868" class="LineNr">868 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L869" class="LineNr">869 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L870" class="LineNr">870 </span> 51/push-ecx
<span id="L871" class="LineNr">871 </span> <span class="subxComment"># eax = _append-4(out, outend, &amp;s-&gt;data[0], &amp;s-&gt;data[s-&gt;length])</span>
<span id="L872" class="LineNr">872 </span> <span class="subxS2Comment"># . . push &amp;s-&gt;data[s-&gt;length]</span>
<span id="L871" class="LineNr">871 </span> <span class="subxComment"># eax = _append-4(out, outend, &amp;s-&gt;data[0], &amp;s-&gt;data[s-&gt;size])</span>
<span id="L872" class="LineNr">872 </span> <span class="subxS2Comment"># . . push &amp;s-&gt;data[s-&gt;size]</span>
<span id="L873" class="LineNr">873 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span>
<span id="L874" class="LineNr">874 </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="L875" class="LineNr">875 </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>
@ -1028,7 +1028,7 @@ if ('onhashchange' in window) {
<span id="L965" class="LineNr">965 </span> 8/imm32
<span id="L966" class="LineNr">966 </span> <span class="subxComment"># read</span>
<span id="L967" class="LineNr">967 </span> 0/imm32
<span id="L968" class="LineNr">968 </span> <span class="subxComment"># length</span>
<span id="L968" class="LineNr">968 </span> <span class="subxComment"># size</span>
<span id="L969" class="LineNr">969 </span> 8/imm32
<span id="L970" class="LineNr">970 </span> <span class="subxComment"># data</span>
<span id="L971" class="LineNr">971 </span> 41 42 41 42 41 0a 00 00 <span class="subxComment"># 8 bytes</span>
@ -1038,7 +1038,7 @@ if ('onhashchange' in window) {
<span id="L975" class="LineNr">975 </span> 0/imm32
<span id="L976" class="LineNr">976 </span> <span class="subxComment"># read</span>
<span id="L977" class="LineNr">977 </span> 0/imm32
<span id="L978" class="LineNr">978 </span> <span class="subxComment"># length</span>
<span id="L978" class="LineNr">978 </span> <span class="subxComment"># size</span>
<span id="L979" class="LineNr">979 </span> 8/imm32
<span id="L980" class="LineNr">980 </span> <span class="subxComment"># data</span>
<span id="L981" class="LineNr">981 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span>
@ -1048,7 +1048,7 @@ if ('onhashchange' in window) {
<span id="L985" class="LineNr">985 </span> 8/imm32
<span id="L986" class="LineNr">986 </span> <span class="subxComment"># read</span>
<span id="L987" class="LineNr">987 </span> 0/imm32
<span id="L988" class="LineNr">988 </span> <span class="subxComment"># length</span>
<span id="L988" class="LineNr">988 </span> <span class="subxComment"># size</span>
<span id="L989" class="LineNr">989 </span> 8/imm32
<span id="L990" class="LineNr">990 </span> <span class="subxComment"># data</span>
<span id="L991" class="LineNr">991 </span> 41 41 41 41 0a 41 41 41 <span class="subxComment"># 8 bytes</span>

16
html/057write.subx.html
View File

@ -16,13 +16,13 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxMinorFunction { color: #875f5f; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
.subxMinorFunction { color: #875f5f; }
-->
</style>
@ -73,7 +73,7 @@ if ('onhashchange' in window) {
<span id="L13" class="LineNr"> 13 </span><span class="subxComment"># A stream looks like this:</span>
<span id="L14" class="LineNr"> 14 </span><span class="subxComment"># read: int # index at which to read next</span>
<span id="L15" class="LineNr"> 15 </span><span class="subxComment"># write: int # index at which writes go</span>
<span id="L16" class="LineNr"> 16 </span><span class="subxComment"># data: (array byte) # prefixed by length as usual</span>
<span id="L16" class="LineNr"> 16 </span><span class="subxComment"># data: (array byte) # prefixed by size as usual</span>
<span id="L17" class="LineNr"> 17 </span>
<span id="L18" class="LineNr"> 18 </span>== code
<span id="L19" class="LineNr"> 19 </span><span class="subxComment"># instruction effective address register displacement immediate</span>
@ -107,12 +107,12 @@ if ('onhashchange' in window) {
<span id="L47" class="LineNr"> 47 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span>
<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># edx = f-&gt;write</span>
<span id="L49" class="LineNr"> 49 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to edx</span>
<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># ebx = f-&gt;length</span>
<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># ebx = f-&gt;size</span>
<span id="L51" class="LineNr"> 51 </span> 8b/copy 1/mod/*+disp8 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ecx+8) to ebx</span>
<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># eax = _append-3(&amp;f-&gt;data[f-&gt;write], &amp;f-&gt;data[f-&gt;length], s)</span>
<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># eax = _append-3(&amp;f-&gt;data[f-&gt;write], &amp;f-&gt;data[f-&gt;size], s)</span>
<span id="L53" class="LineNr"> 53 </span> <span class="subxS2Comment"># . . push s</span>
<span id="L54" class="LineNr"> 54 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+12)</span>
<span id="L55" class="LineNr"> 55 </span> <span class="subxS2Comment"># . . push &amp;f-&gt;data[f-&gt;length]</span>
<span id="L55" class="LineNr"> 55 </span> <span class="subxS2Comment"># . . push &amp;f-&gt;data[f-&gt;size]</span>
<span id="L56" class="LineNr"> 56 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ecx 3/index/ebx <span class="Normal"> . </span> 3/r32/ebx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ecx+ebx+12 to ebx</span>
<span id="L57" class="LineNr"> 57 </span> 53/push-ebx
<span id="L58" class="LineNr"> 58 </span> <span class="subxS2Comment"># . . push &amp;f-&gt;data[f-&gt;write]</span>
@ -210,7 +210,7 @@ if ('onhashchange' in window) {
<span id="L150" class="LineNr">150 </span> 0/imm32
<span id="L151" class="LineNr">151 </span> <span class="subxComment"># current read index</span>
<span id="L152" class="LineNr">152 </span> 0/imm32
<span id="L153" class="LineNr">153 </span> <span class="subxComment"># length</span>
<span id="L153" class="LineNr">153 </span> <span class="subxComment"># size</span>
<span id="L154" class="LineNr">154 </span> 0x10/imm32
<span id="L155" class="LineNr">155 </span> <span class="subxComment"># data (2 lines x 8 bytes/line)</span>
<span id="L156" class="LineNr">156 </span> 00 00 00 00 00 00 00 00

30
html/058stream-equal.subx.html
View File

@ -16,12 +16,12 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</style>
@ -84,8 +84,8 @@ if ('onhashchange' in window) {
<span id="L25" class="LineNr"> 25 </span> 81 0/subop/add 3/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esi</span>
<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># edi = s</span>
<span id="L27" class="LineNr"> 27 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edi</span>
<span id="L28" class="LineNr"> 28 </span><span class="Constant">$stream-data-equal?:compare-lengths</span>:
<span id="L29" class="LineNr"> 29 </span> <span class="subxComment"># if (f-&gt;write != s-&gt;length) return false</span>
<span id="L28" class="LineNr"> 28 </span><span class="Constant">$stream-data-equal?:compare-sizes</span>:
<span id="L29" class="LineNr"> 29 </span> <span class="subxComment"># if (f-&gt;write != s-&gt;size) return false</span>
<span id="L30" class="LineNr"> 30 </span> 39/compare 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *edi and eax</span>
<span id="L31" class="LineNr"> 31 </span> 75/jump-if-!= $stream-data-equal?:false/disp8
<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># var currs/edi: (addr byte) = s-&gt;data</span>
@ -208,7 +208,7 @@ if ('onhashchange' in window) {
<span id="L149" class="LineNr">149 </span> 5d/pop-to-ebp
<span id="L150" class="LineNr">150 </span> c3/return
<span id="L151" class="LineNr">151 </span>
<span id="L152" class="LineNr">152 </span><span class="subxTest">test-stream-data-equal-length-check</span>:
<span id="L152" class="LineNr">152 </span><span class="subxTest">test-stream-data-equal-size-check</span>:
<span id="L153" class="LineNr">153 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L154" class="LineNr">154 </span> 55/push-ebp
<span id="L155" class="LineNr">155 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
@ -237,7 +237,7 @@ if ('onhashchange' in window) {
<span id="L178" class="LineNr">178 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L179" class="LineNr">179 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L180" class="LineNr">180 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L181" class="LineNr">181 </span> 68/push <span class="Constant">&quot;F - test-stream-data-equal-length-check&quot;</span>/imm32
<span id="L181" class="LineNr">181 </span> 68/push <span class="Constant">&quot;F - test-stream-data-equal-size-check&quot;</span>/imm32
<span id="L182" class="LineNr">182 </span> 68/push 0/imm32
<span id="L183" class="LineNr">183 </span> 50/push-eax
<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . call</span>
@ -289,30 +289,30 @@ if ('onhashchange' in window) {
<span id="L230" class="LineNr">230 </span><span class="subxFunction">next-stream-line-equal?</span>: <span class="subxComment"># f: (addr stream byte), s: (addr array byte) -&gt; eax: boolean</span>
<span id="L231" class="LineNr">231 </span> <span class="subxComment"># pseudocode:</span>
<span id="L232" class="LineNr">232 </span> <span class="subxComment"># currf = f-&gt;read # bound: f-&gt;write</span>
<span id="L233" class="LineNr">233 </span> <span class="subxComment"># currs = 0 # bound: s-&gt;length</span>
<span id="L233" class="LineNr">233 </span> <span class="subxComment"># currs = 0 # bound: s-&gt;size</span>
<span id="L234" class="LineNr">234 </span> <span class="subxComment"># while true</span>
<span id="L235" class="LineNr">235 </span> <span class="subxComment"># if currf &gt;= f-&gt;write</span>
<span id="L236" class="LineNr">236 </span> <span class="subxComment"># return currs &gt;= s-&gt;length</span>
<span id="L236" class="LineNr">236 </span> <span class="subxComment"># return currs &gt;= s-&gt;size</span>
<span id="L237" class="LineNr">237 </span> <span class="subxComment"># if f[currf] == '\n'</span>
<span id="L238" class="LineNr">238 </span> <span class="subxComment"># ++currf</span>
<span id="L239" class="LineNr">239 </span> <span class="subxComment"># return currs &gt;= s-&gt;length</span>
<span id="L240" class="LineNr">240 </span> <span class="subxComment"># if (currs &gt;= s-&gt;length) return false # the current line of f still has data to match</span>
<span id="L239" class="LineNr">239 </span> <span class="subxComment"># return currs &gt;= s-&gt;size</span>
<span id="L240" class="LineNr">240 </span> <span class="subxComment"># if (currs &gt;= s-&gt;size) return false # the current line of f still has data to match</span>
<span id="L241" class="LineNr">241 </span> <span class="subxComment"># if (f[currf] != s[currs]) return false</span>
<span id="L242" class="LineNr">242 </span> <span class="subxComment"># ++currf</span>
<span id="L243" class="LineNr">243 </span> <span class="subxComment"># ++currs</span>
<span id="L244" class="LineNr">244 </span> <span class="subxComment">#</span>
<span id="L245" class="LineNr">245 </span> <span class="subxComment"># collapsing the two branches that can return true:</span>
<span id="L246" class="LineNr">246 </span> <span class="subxComment"># currf = f-&gt;read # bound: f-&gt;write</span>
<span id="L247" class="LineNr">247 </span> <span class="subxComment"># currs = 0 # bound: s-&gt;length</span>
<span id="L247" class="LineNr">247 </span> <span class="subxComment"># currs = 0 # bound: s-&gt;size</span>
<span id="L248" class="LineNr">248 </span> <span class="subxComment"># while true</span>
<span id="L249" class="LineNr">249 </span> <span class="subxComment"># if (currf &gt;= f-&gt;write) break</span>
<span id="L250" class="LineNr">250 </span> <span class="subxComment"># if (f[currf] == '\n') break</span>
<span id="L251" class="LineNr">251 </span> <span class="subxComment"># if (currs &gt;= s-&gt;length) return false # the current line of f still has data to match</span>
<span id="L251" class="LineNr">251 </span> <span class="subxComment"># if (currs &gt;= s-&gt;size) return false # the current line of f still has data to match</span>
<span id="L252" class="LineNr">252 </span> <span class="subxComment"># if (f[currf] != s[currs]) return false</span>
<span id="L253" class="LineNr">253 </span> <span class="subxComment"># ++currf</span>
<span id="L254" class="LineNr">254 </span> <span class="subxComment"># ++currs</span>
<span id="L255" class="LineNr">255 </span> <span class="subxComment"># ++currf # skip '\n'</span>
<span id="L256" class="LineNr">256 </span> <span class="subxComment"># return currs &gt;= s-&gt;length</span>
<span id="L256" class="LineNr">256 </span> <span class="subxComment"># return currs &gt;= s-&gt;size</span>
<span id="L257" class="LineNr">257 </span> <span class="subxComment"># Here the final `++currf` is sometimes unnecessary (if we're already at the end of the stream)</span>
<span id="L258" class="LineNr">258 </span> <span class="subxComment">#</span>
<span id="L259" class="LineNr">259 </span> <span class="subxComment"># registers:</span>
@ -352,7 +352,7 @@ if ('onhashchange' in window) {
<span id="L293" class="LineNr">293 </span> <span class="subxComment"># if (c1 == '\n') break</span>
<span id="L294" class="LineNr">294 </span> 3d/compare-eax-and 0xa/imm32/newline
<span id="L295" class="LineNr">295 </span> 74/jump-if-= $next-stream-line-equal?:<span class="Constant">break</span>/disp8
<span id="L296" class="LineNr">296 </span> <span class="subxComment"># if (currs &gt;= s-&gt;length) return false</span>
<span id="L296" class="LineNr">296 </span> <span class="subxComment"># if (currs &gt;= s-&gt;size) return false</span>
<span id="L297" class="LineNr">297 </span> 3b/compare 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare edx with *edi</span>
<span id="L298" class="LineNr">298 </span> 7d/jump-if-&gt;= $next-stream-line-equal?:false/disp8
<span id="L299" class="LineNr">299 </span> <span class="subxComment"># c2 = s-&gt;data[currs]</span>
@ -368,7 +368,7 @@ if ('onhashchange' in window) {
<span id="L309" class="LineNr">309 </span><span class="Constant">$next-stream-line-equal?:break</span>:
<span id="L310" class="LineNr">310 </span> <span class="subxComment"># ++currf</span>
<span id="L311" class="LineNr">311 </span> 41/increment-ecx
<span id="L312" class="LineNr">312 </span> <span class="subxComment"># if (currs &gt;= s-&gt;length) return true</span>
<span id="L312" class="LineNr">312 </span> <span class="subxComment"># if (currs &gt;= s-&gt;size) return true</span>
<span id="L313" class="LineNr">313 </span> 3b/compare 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare edx with *edi</span>
<span id="L314" class="LineNr">314 </span> 7c/jump-if-&lt; $next-stream-line-equal?:false/disp8
<span id="L315" class="LineNr">315 </span><span class="Constant">$next-stream-line-equal?:true</span>:

6
html/059stop.subx.html
View File

@ -16,14 +16,14 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.CommentedCode { color: #8a8a8a; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxMinorFunction { color: #875f5f; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
.subxMinorFunction { color: #875f5f; }
-->
</style>

26
html/060read.subx.html
View File

@ -16,10 +16,10 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxMinorFunction { color: #875f5f; }
.Constant { color: #008787; }
@ -99,7 +99,7 @@ if ('onhashchange' in window) {
<span id="L38" class="LineNr"> 38 </span><span class="subxComment"># As a reminder, a stream looks like this:</span>
<span id="L39" class="LineNr"> 39 </span><span class="subxComment"># write: int # index at which to write to next</span>
<span id="L40" class="LineNr"> 40 </span><span class="subxComment"># read: int # index at which to read next</span>
<span id="L41" class="LineNr"> 41 </span><span class="subxComment"># data: (array byte) # prefixed by length as usual</span>
<span id="L41" class="LineNr"> 41 </span><span class="subxComment"># data: (array byte) # prefixed by size as usual</span>
<span id="L42" class="LineNr"> 42 </span>
<span id="L43" class="LineNr"> 43 </span>== code
<span id="L44" class="LineNr"> 44 </span><span class="subxComment"># instruction effective address register displacement immediate</span>
@ -131,7 +131,7 @@ if ('onhashchange' in window) {
<span id="L70" class="LineNr"> 70 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span>
<span id="L71" class="LineNr"> 71 </span> <span class="subxComment"># edi = s</span>
<span id="L72" class="LineNr"> 72 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to esi</span>
<span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># eax = _buffer-4(out = &amp;s-&gt;data[s-&gt;write], outend = &amp;s-&gt;data[s-&gt;length],</span>
<span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># eax = _buffer-4(out = &amp;s-&gt;data[s-&gt;write], outend = &amp;s-&gt;data[s-&gt;size],</span>
<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># in = &amp;f-&gt;data[f-&gt;read], inend = &amp;f-&gt;data[f-&gt;write])</span>
<span id="L75" class="LineNr"> 75 </span> <span class="subxS2Comment"># . . push &amp;f-&gt;data[f-&gt;write]</span>
<span id="L76" class="LineNr"> 76 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to eax</span>
@ -141,7 +141,7 @@ if ('onhashchange' in window) {
<span id="L80" class="LineNr"> 80 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to eax</span>
<span id="L81" class="LineNr"> 81 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+eax+12 to eax</span>
<span id="L82" class="LineNr"> 82 </span> 50/push-eax
<span id="L83" class="LineNr"> 83 </span> <span class="subxS2Comment"># . . push &amp;s-&gt;data[s-&gt;length]</span>
<span id="L83" class="LineNr"> 83 </span> <span class="subxS2Comment"># . . push &amp;s-&gt;data[s-&gt;size]</span>
<span id="L84" class="LineNr"> 84 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+8) to eax</span>
<span id="L85" class="LineNr"> 85 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 0/index/eax <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy edi+eax+12 to eax</span>
<span id="L86" class="LineNr"> 86 </span> 50/push-eax
@ -177,8 +177,8 @@ if ('onhashchange' in window) {
<span id="L116" class="LineNr">116 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L117" class="LineNr">117 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L118" class="LineNr">118 </span> 51/push-ecx
<span id="L119" class="LineNr">119 </span> <span class="subxComment"># eax = _buffer-4(out, outend, &amp;s-&gt;data[0], &amp;s-&gt;data[s-&gt;length])</span>
<span id="L120" class="LineNr">120 </span> <span class="subxS2Comment"># . . push &amp;s-&gt;data[s-&gt;length]</span>
<span id="L119" class="LineNr">119 </span> <span class="subxComment"># eax = _buffer-4(out, outend, &amp;s-&gt;data[0], &amp;s-&gt;data[s-&gt;size])</span>
<span id="L120" class="LineNr">120 </span> <span class="subxS2Comment"># . . push &amp;s-&gt;data[s-&gt;size]</span>
<span id="L121" class="LineNr">121 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span>
<span id="L122" class="LineNr">122 </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="L123" class="LineNr">123 </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>
@ -269,14 +269,14 @@ if ('onhashchange' in window) {
<span id="L208" class="LineNr">208 </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="L209" class="LineNr">209 </span> <span class="subxComment"># eax = s-&gt;write</span>
<span id="L210" class="LineNr">210 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to eax</span>
<span id="L211" class="LineNr">211 </span> <span class="subxComment"># edx = s-&gt;length</span>
<span id="L211" class="LineNr">211 </span> <span class="subxComment"># edx = s-&gt;size</span>
<span id="L212" class="LineNr">212 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+8) to edx</span>
<span id="L213" class="LineNr">213 </span> <span class="subxComment"># syscall(read, fd, &amp;s-&gt;data[s-&gt;write], s-&gt;length - s-&gt;write)</span>
<span id="L213" class="LineNr">213 </span> <span class="subxComment"># syscall(read, fd, &amp;s-&gt;data[s-&gt;write], s-&gt;size - s-&gt;write)</span>
<span id="L214" class="LineNr">214 </span> <span class="subxS2Comment"># . . fd: ebx</span>
<span id="L215" class="LineNr">215 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ebx</span>
<span id="L216" class="LineNr">216 </span> <span class="subxS2Comment"># . . data: ecx = &amp;s-&gt;data[s-&gt;write]</span>
<span id="L217" class="LineNr">217 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+eax+12 to ecx</span>
<span id="L218" class="LineNr">218 </span> <span class="subxS2Comment"># . . size: edx = s-&gt;length - s-&gt;write</span>
<span id="L218" class="LineNr">218 </span> <span class="subxS2Comment"># . . size: edx = s-&gt;size - s-&gt;write</span>
<span id="L219" class="LineNr">219 </span> 29/subtract 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract eax from edx</span>
<span id="L220" class="LineNr">220 </span> <span class="subxS2Comment"># . . syscall</span>
<span id="L221" class="LineNr">221 </span> b8/copy-to-eax 3/imm32/read
@ -298,14 +298,14 @@ if ('onhashchange' in window) {
<span id="L237" class="LineNr">237 </span> <span class="subxComment"># 1 (what we have above):</span>
<span id="L238" class="LineNr">238 </span> <span class="subxComment"># ecx = s</span>
<span id="L239" class="LineNr">239 </span> <span class="subxComment"># eax = s-&gt;write</span>
<span id="L240" class="LineNr">240 </span> <span class="subxComment"># edx = s-&gt;length</span>
<span id="L240" class="LineNr">240 </span> <span class="subxComment"># edx = s-&gt;size</span>
<span id="L241" class="LineNr">241 </span> <span class="subxComment"># # syscall</span>
<span id="L242" class="LineNr">242 </span> <span class="subxComment"># ecx = lea ecx+eax+12</span>
<span id="L243" class="LineNr">243 </span> <span class="subxComment"># edx = sub edx eax</span>
<span id="L244" class="LineNr">244 </span> <span class="subxComment">#</span>
<span id="L245" class="LineNr">245 </span> <span class="subxComment"># 2:</span>
<span id="L246" class="LineNr">246 </span> <span class="subxComment"># ecx = s</span>
<span id="L247" class="LineNr">247 </span> <span class="subxComment"># edx = s-&gt;length</span>
<span id="L247" class="LineNr">247 </span> <span class="subxComment"># edx = s-&gt;size</span>
<span id="L248" class="LineNr">248 </span> <span class="subxComment"># ecx = &amp;s-&gt;data</span>
<span id="L249" class="LineNr">249 </span> <span class="subxComment"># # syscall</span>
<span id="L250" class="LineNr">250 </span> <span class="subxComment"># ecx = add ecx, s-&gt;write</span>
@ -492,7 +492,7 @@ if ('onhashchange' in window) {
<span id="L431" class="LineNr">431 </span> 0/imm32
<span id="L432" class="LineNr">432 </span> <span class="subxComment"># current read index</span>
<span id="L433" class="LineNr">433 </span> 0/imm32
<span id="L434" class="LineNr">434 </span> <span class="subxComment"># length</span>
<span id="L434" class="LineNr">434 </span> <span class="subxComment"># size</span>
<span id="L435" class="LineNr">435 </span> 8/imm32
<span id="L436" class="LineNr">436 </span> <span class="subxComment"># data</span>
<span id="L437" class="LineNr">437 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span>

14
html/061read-byte.subx.html
View File

@ -15,15 +15,15 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color:
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxTest { color: #5f8700; }
.SpecialChar { color: #d70000; }
.Constant { color: #008787; }
.subxMinorFunction { color: #875f5f; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxS2Comment { color: #8a8a8a; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
-->
</style>
@ -82,7 +82,7 @@ if ('onhashchange' in window) {
<span id="L20" class="LineNr"> 20 </span> 0/imm32
<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># current read index</span>
<span id="L22" class="LineNr"> 22 </span> 0/imm32
<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># length</span>
<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># size</span>
<span id="L24" class="LineNr"> 24 </span> 8/imm32
<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># data</span>
<span id="L26" class="LineNr"> 26 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span>
@ -308,7 +308,7 @@ if ('onhashchange' in window) {
<span id="L246" class="LineNr">246 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L247" class="LineNr">247 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L248" class="LineNr">248 </span> <span class="subxComment"># pretend buffer is full</span>
<span id="L249" class="LineNr">249 </span> <span class="subxS1Comment"># . _test-buffered-file-&gt;read = 6 # &gt;= _test-buffered-file-&gt;length</span>
<span id="L249" class="LineNr">249 </span> <span class="subxS1Comment"># . _test-buffered-file-&gt;read = 6 # &gt;= _test-buffered-file-&gt;size</span>
<span id="L250" class="LineNr">250 </span> b8/copy-to-eax <a href='061read-byte.subx.html#L274'>_test-buffered-file</a>/imm32
<span id="L251" class="LineNr">251 </span> c7 0/subop/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 6/imm32 <span class="subxComment"># copy to *(eax+8)</span>
<span id="L252" class="LineNr">252 </span> <span class="subxComment"># read-byte-buffered(_test-buffered-file)</span>
@ -341,7 +341,7 @@ if ('onhashchange' in window) {
<span id="L279" class="LineNr">279 </span> 0/imm32
<span id="L280" class="LineNr">280 </span> <span class="subxComment"># current read index</span>
<span id="L281" class="LineNr">281 </span> 0/imm32
<span id="L282" class="LineNr">282 </span> <span class="subxComment"># length</span>
<span id="L282" class="LineNr">282 </span> <span class="subxComment"># size</span>
<span id="L283" class="LineNr">283 </span> 6/imm32
<span id="L284" class="LineNr">284 </span> <span class="subxComment"># data</span>
<span id="L285" class="LineNr">285 </span> 00 00 00 00 00 00 <span class="subxComment"># 6 bytes</span>
@ -351,7 +351,7 @@ if ('onhashchange' in window) {
<span id="L289" class="LineNr">289 </span> 0/imm32
<span id="L290" class="LineNr">290 </span> <span class="subxComment"># current read index</span>
<span id="L291" class="LineNr">291 </span> 0/imm32
<span id="L292" class="LineNr">292 </span> <span class="subxComment"># length</span>
<span id="L292" class="LineNr">292 </span> <span class="subxComment"># size</span>
<span id="L293" class="LineNr">293 </span> 0x100/imm32 <span class="subxComment"># 256 bytes</span>
<span id="L294" class="LineNr">294 </span> <span class="subxComment"># data (16 lines x 16 bytes/line)</span>
<span id="L295" class="LineNr">295 </span> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
@ -380,7 +380,7 @@ if ('onhashchange' in window) {
<span id="L318" class="LineNr">318 </span> 0/imm32
<span id="L319" class="LineNr">319 </span> <span class="subxComment"># current read index</span>
<span id="L320" class="LineNr">320 </span> 0/imm32
<span id="L321" class="LineNr">321 </span> <span class="subxComment"># length</span>
<span id="L321" class="LineNr">321 </span> <span class="subxComment"># size</span>
<span id="L322" class="LineNr">322 </span> 6/imm32
<span id="L323" class="LineNr">323 </span> <span class="subxComment"># data</span>
<span id="L324" class="LineNr">324 </span> 00 00 00 00 00 00 <span class="subxComment"># 6 bytes</span>

12
html/062write-stream.subx.html
View File

@ -16,14 +16,14 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.CommentedCode { color: #8a8a8a; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxMinorFunction { color: #875f5f; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
.subxMinorFunction { color: #875f5f; }
-->
</style>
@ -101,7 +101,7 @@ if ('onhashchange' in window) {
<span id="L40" class="LineNr"> 40 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span>
<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># esi = s</span>
<span id="L42" class="LineNr"> 42 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to esi</span>
<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># eax = _append-4(&amp;f-&gt;data[f-&gt;write], &amp;f-&gt;data[f-&gt;length], &amp;s-&gt;data[s-&gt;read], &amp;s-&gt;data[s-&gt;write])</span>
<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># eax = _append-4(&amp;f-&gt;data[f-&gt;write], &amp;f-&gt;data[f-&gt;size], &amp;s-&gt;data[s-&gt;read], &amp;s-&gt;data[s-&gt;write])</span>
<span id="L44" class="LineNr"> 44 </span> <span class="subxS2Comment"># . . push &amp;s-&gt;data[s-&gt;write]</span>
<span id="L45" class="LineNr"> 45 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to eax</span>
<span id="L46" class="LineNr"> 46 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+eax+12 to eax</span>
@ -110,7 +110,7 @@ if ('onhashchange' in window) {
<span id="L49" class="LineNr"> 49 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to eax</span>
<span id="L50" class="LineNr"> 50 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy esi+eax+12 to eax</span>
<span id="L51" class="LineNr"> 51 </span> 50/push-eax
<span id="L52" class="LineNr"> 52 </span> <span class="subxS2Comment"># . . push &amp;f-&gt;data[f-&gt;length]</span>
<span id="L52" class="LineNr"> 52 </span> <span class="subxS2Comment"># . . push &amp;f-&gt;data[f-&gt;size]</span>
<span id="L53" class="LineNr"> 53 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+8) to eax</span>
<span id="L54" class="LineNr"> 54 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 0/index/eax <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy edi+eax+12 to eax</span>
<span id="L55" class="LineNr"> 55 </span> 50/push-eax
@ -308,7 +308,7 @@ if ('onhashchange' in window) {
<span id="L247" class="LineNr">247 </span> 4/imm32
<span id="L248" class="LineNr">248 </span> <span class="subxComment"># current read index</span>
<span id="L249" class="LineNr">249 </span> 1/imm32
<span id="L250" class="LineNr">250 </span> <span class="subxComment"># length</span>
<span id="L250" class="LineNr">250 </span> <span class="subxComment"># size</span>
<span id="L251" class="LineNr">251 </span> 8/imm32
<span id="L252" class="LineNr">252 </span> <span class="subxComment"># data</span>
<span id="L253" class="LineNr">253 </span> 41/A 42/B 43/C 44/D 00 00 00 00 <span class="subxComment"># 8 bytes</span>

6
html/063error.subx.html
View File

@ -16,10 +16,10 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.LineNr { }
.SpecialChar { color: #d70000; }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.SpecialChar { color: #d70000; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
-->

20
html/064write-byte.subx.html
View File

@ -15,16 +15,16 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color:
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.subxMinorFunction { color: #875f5f; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.SpecialChar { color: #d70000; }
.Constant { color: #008787; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
.subxMinorFunction { color: #875f5f; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
-->
</style>
@ -78,7 +78,7 @@ if ('onhashchange' in window) {
<span id="L16" class="LineNr"> 16 </span> 0/imm32
<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># current read index</span>
<span id="L18" class="LineNr"> 18 </span> 0/imm32
<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># length</span>
<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># size</span>
<span id="L20" class="LineNr"> 20 </span> 8/imm32
<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># data</span>
<span id="L22" class="LineNr"> 22 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span>
@ -103,7 +103,7 @@ if ('onhashchange' in window) {
<span id="L41" class="LineNr"> 41 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span>
<span id="L42" class="LineNr"> 42 </span> <span class="subxComment"># ecx = f-&gt;write</span>
<span id="L43" class="LineNr"> 43 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+4) to ecx</span>
<span id="L44" class="LineNr"> 44 </span> <span class="subxComment"># if (f-&gt;write &gt;= f-&gt;length) flush and clear f's stream</span>
<span id="L44" class="LineNr"> 44 </span> <span class="subxComment"># if (f-&gt;write &gt;= f-&gt;size) flush and clear f's stream</span>
<span id="L45" class="LineNr"> 45 </span> 3b/compare 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare ecx with *(edi+12)</span>
<span id="L46" class="LineNr"> 46 </span> 7c/jump-if-&lt; $write-byte-buffered:to-stream/disp8
<span id="L47" class="LineNr"> 47 </span> <span class="subxS1Comment"># . flush(f)</span>
@ -278,7 +278,7 @@ if ('onhashchange' in window) {
<span id="L216" class="LineNr">216 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span>
<span id="L217" class="LineNr">217 </span> <span class="subxComment"># ecx = f-&gt;write</span>
<span id="L218" class="LineNr">218 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to ecx</span>
<span id="L219" class="LineNr">219 </span> <span class="subxComment"># if (f-&gt;write &gt;= f-&gt;length) abort</span>
<span id="L219" class="LineNr">219 </span> <span class="subxComment"># if (f-&gt;write &gt;= f-&gt;size) abort</span>
<span id="L220" class="LineNr">220 </span> 3b/compare 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare ecx with *(edi+8)</span>
<span id="L221" class="LineNr">221 </span> 7d/jump-if-&gt;= $append-byte:abort/disp8
<span id="L222" class="LineNr">222 </span><span class="Constant">$append-byte:to-stream</span>:
@ -350,7 +350,7 @@ if ('onhashchange' in window) {
<span id="L288" class="LineNr">288 </span> 0/imm32
<span id="L289" class="LineNr">289 </span> <span class="subxComment"># current read index</span>
<span id="L290" class="LineNr">290 </span> 0/imm32
<span id="L291" class="LineNr">291 </span> <span class="subxComment"># length</span>
<span id="L291" class="LineNr">291 </span> <span class="subxComment"># size</span>
<span id="L292" class="LineNr">292 </span> 0x400/imm32 <span class="subxComment"># 1024 bytes</span>
<span id="L293" class="LineNr">293 </span> <span class="subxComment"># data (64 lines x 16 bytes/line)</span>
<span id="L294" class="LineNr">294 </span> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
@ -427,7 +427,7 @@ if ('onhashchange' in window) {
<span id="L365" class="LineNr">365 </span> 0/imm32
<span id="L366" class="LineNr">366 </span> <span class="subxComment"># current read index</span>
<span id="L367" class="LineNr">367 </span> 0/imm32
<span id="L368" class="LineNr">368 </span> <span class="subxComment"># length</span>
<span id="L368" class="LineNr">368 </span> <span class="subxComment"># size</span>
<span id="L369" class="LineNr">369 </span> 6/imm32
<span id="L370" class="LineNr">370 </span> <span class="subxComment"># data</span>
<span id="L371" class="LineNr">371 </span> 00 00 00 00 00 00 <span class="subxComment"># 6 bytes</span>
@ -458,7 +458,7 @@ if ('onhashchange' in window) {
<span id="L396" class="LineNr">396 </span> 0/imm32
<span id="L397" class="LineNr">397 </span> <span class="subxComment"># current read index</span>
<span id="L398" class="LineNr">398 </span> 0/imm32
<span id="L399" class="LineNr">399 </span> <span class="subxComment"># length</span>
<span id="L399" class="LineNr">399 </span> <span class="subxComment"># size</span>
<span id="L400" class="LineNr">400 </span> 6/imm32
<span id="L401" class="LineNr">401 </span> <span class="subxComment"># data</span>
<span id="L402" class="LineNr">402 </span> 00 00 00 00 00 00 <span class="subxComment"># 6 bytes</span>

28
html/065write-buffered.subx.html
View File

@ -16,14 +16,14 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.LineNr { }
.SpecialChar { color: #d70000; }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.SpecialChar { color: #d70000; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
-->
</style>
@ -69,9 +69,9 @@ if ('onhashchange' in window) {
<span id="L8" class="LineNr"> 8 </span><span class="subxFunction">write-buffered</span>: <span class="subxComment"># f: (addr buffered-file), msg: (addr array byte)</span>
<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># pseudocode:</span>
<span id="L10" class="LineNr"> 10 </span> <span class="subxComment"># in = msg-&gt;data</span>
<span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># inend = &amp;msg-&gt;data[msg-&gt;length]</span>
<span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># inend = &amp;msg-&gt;data[msg-&gt;size]</span>
<span id="L12" class="LineNr"> 12 </span> <span class="subxComment"># while (in &lt; inend)</span>
<span id="L13" class="LineNr"> 13 </span> <span class="subxComment"># if f-&gt;write &gt;= f-&gt;length</span>
<span id="L13" class="LineNr"> 13 </span> <span class="subxComment"># if f-&gt;write &gt;= f-&gt;size</span>
<span id="L14" class="LineNr"> 14 </span> <span class="subxComment"># flush(f)</span>
<span id="L15" class="LineNr"> 15 </span> <span class="subxComment"># clear-stream(f)</span>
<span id="L16" class="LineNr"> 16 </span> <span class="subxComment"># c = *in</span>
@ -83,7 +83,7 @@ if ('onhashchange' in window) {
<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># in: esi</span>
<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># inend: ecx</span>
<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># f: edi</span>
<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># f-&gt;length: edx</span>
<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># f-&gt;size: edx</span>
<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># f-&gt;write: ebx (cached; need to keep in sync)</span>
<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># c: eax</span>
<span id="L28" class="LineNr"> 28 </span> <span class="subxComment">#</span>
@ -101,12 +101,12 @@ if ('onhashchange' in window) {
<span id="L40" class="LineNr"> 40 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to eax</span>
<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># var in/esi: (addr byte) = msg-&gt;data</span>
<span id="L42" class="LineNr"> 42 </span> 8d/copy-address 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+4 to esi</span>
<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># var inend/ecx: (addr byte) = &amp;msg-&gt;data[msg-&gt;length]</span>
<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># var inend/ecx: (addr byte) = &amp;msg-&gt;data[msg-&gt;size]</span>
<span id="L44" class="LineNr"> 44 </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="L45" class="LineNr"> 45 </span> 8d/copy-address 0/mod/indirect 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esi+ecx to ecx</span>
<span id="L46" class="LineNr"> 46 </span> <span class="subxComment"># edi = f</span>
<span id="L47" class="LineNr"> 47 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span>
<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># edx = f-&gt;length</span>
<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># edx = f-&gt;size</span>
<span id="L49" class="LineNr"> 49 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+12) to edx</span>
<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># ebx = f-&gt;write</span>
<span id="L51" class="LineNr"> 51 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+4) to ebx</span>
@ -114,7 +114,7 @@ if ('onhashchange' in window) {
<span id="L53" class="LineNr"> 53 </span> <span class="subxComment"># if (in &gt;= inend) break</span>
<span id="L54" class="LineNr"> 54 </span> 39/compare 3/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare esi with ecx</span>
<span id="L55" class="LineNr"> 55 </span> 73/jump-if-addr&gt;= $write-buffered:loop-end/disp8
<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># if (f-&gt;write &gt;= f-&gt;length) flush and clear f's stream</span>
<span id="L56" class="LineNr"> 56 </span> <span class="subxComment"># if (f-&gt;write &gt;= f-&gt;size) flush and clear f's stream</span>
<span id="L57" class="LineNr"> 57 </span> 39/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ebx with edx</span>
<span id="L58" class="LineNr"> 58 </span> 7c/jump-if-&lt; $write-buffered:to-stream/disp8
<span id="L59" class="LineNr"> 59 </span> <span class="subxS1Comment"># . persist f-&gt;write</span>
@ -276,7 +276,7 @@ if ('onhashchange' in window) {
<span id="L215" class="LineNr">215 </span> 0/imm32
<span id="L216" class="LineNr">216 </span> <span class="subxComment"># current read index</span>
<span id="L217" class="LineNr">217 </span> 0/imm32
<span id="L218" class="LineNr">218 </span> <span class="subxComment"># length</span>
<span id="L218" class="LineNr">218 </span> <span class="subxComment"># size</span>
<span id="L219" class="LineNr">219 </span> 8/imm32
<span id="L220" class="LineNr">220 </span> <span class="subxComment"># data</span>
<span id="L221" class="LineNr">221 </span> 00 00 00 00 00 00 00 00 <span class="subxComment"># 8 bytes</span>

8
html/066print-int.subx.html
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@ -16,14 +16,14 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.Folded { color: #080808; background-color: #949494; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Constant { color: #008787; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
.Folded { color: #080808; background-color: #949494; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxTest { color: #5f8700; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
-->
</style>

14
html/067parse-hex.subx.html
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@ -16,13 +16,13 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.LineNr { }
.SpecialChar { color: #d70000; }
.subxS1Comment { color: #0000af; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.SpecialChar { color: #d70000; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</style>
@ -422,10 +422,10 @@ if ('onhashchange' in window) {
<span id="L362" class="LineNr">362 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span>
<span id="L363" class="LineNr">363 </span> <span class="subxComment"># var curr/ecx: (addr byte) = &amp;in-&gt;data</span>
<span id="L364" class="LineNr">364 </span> 8d/copy-address 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+4 to ecx</span>
<span id="L365" class="LineNr">365 </span> <span class="subxComment"># var max/edx: (addr byte) = &amp;in-&gt;data[in-&gt;length]</span>
<span id="L366" class="LineNr">366 </span> <span class="subxS1Comment"># . edx = in-&gt;length</span>
<span id="L365" class="LineNr">365 </span> <span class="subxComment"># var max/edx: (addr byte) = &amp;in-&gt;data[in-&gt;size]</span>
<span id="L366" class="LineNr">366 </span> <span class="subxS1Comment"># . edx = in-&gt;size</span>
<span id="L367" class="LineNr">367 </span> 8b/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *eax to edx</span>
<span id="L368" class="LineNr">368 </span> <span class="subxS1Comment"># . edx = in-&gt;data + in-&gt;length</span>
<span id="L368" class="LineNr">368 </span> <span class="subxS1Comment"># . edx = in-&gt;data + in-&gt;size</span>
<span id="L369" class="LineNr">369 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 2/index/edx <span class="Normal"> . </span> 2/r32/edx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+edx+4 to edx</span>
<span id="L370" class="LineNr">370 </span> <span class="subxComment"># return parse-hex-int-helper(curr, max)</span>
<span id="L371" class="LineNr">371 </span> <span class="subxS2Comment"># . . push args</span>

4
html/068error-byte.subx.html
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@ -16,11 +16,11 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.SpecialChar { color: #d70000; }
.subxS1Comment { color: #0000af; }
.CommentedCode { color: #8a8a8a; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.SpecialChar { color: #d70000; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
-->

1161
html/069allocate.subx.html
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File diff suppressed because it is too large Load Diff

237
html/070new-stream.subx.html
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@ -16,12 +16,12 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</style>
@ -64,117 +64,136 @@ if ('onhashchange' in window) {
<span id="L5" class="LineNr"> 5 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxS1Comment"># . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span>
<span id="L7" class="LineNr"> 7 </span>
<span id="L8" class="LineNr"> 8 </span><span class="subxFunction">new-stream</span>: <span class="subxComment"># ad: (addr allocation-descriptor), length: int, elemsize: int -&gt; address/eax: (handle stream _)</span>
<span id="L8" class="LineNr"> 8 </span><span class="subxFunction">new-stream</span>: <span class="subxComment"># ad: (addr allocation-descriptor), length: int, elemsize: int, out: (addr handle stream _)</span>
<span id="L9" class="LineNr"> 9 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L10" class="LineNr"> 10 </span> 55/push-ebp
<span id="L11" class="LineNr"> 11 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L12" class="LineNr"> 12 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L13" class="LineNr"> 13 </span> 52/push-edx
<span id="L14" class="LineNr"> 14 </span> <span class="subxComment"># var n/eax: int = elemsize * length + 12 (for read, write and length)</span>
<span id="L15" class="LineNr"> 15 </span> <span class="subxS1Comment"># . eax = elemsize</span>
<span id="L16" class="LineNr"> 16 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span>
<span id="L17" class="LineNr"> 17 </span> <span class="subxS1Comment"># . eax *= length</span>
<span id="L18" class="LineNr"> 18 </span> 31/xor 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear edx</span>
<span id="L19" class="LineNr"> 19 </span> f7 4/subop/multiply 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># multiply *(ebp+12) into eax</span>
<span id="L20" class="LineNr"> 20 </span> <span class="subxS1Comment"># . if overflow abort</span>
<span id="L21" class="LineNr"> 21 </span> 81 7/subop/compare 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare edx</span>
<span id="L22" class="LineNr"> 22 </span> 75/jump-if-!= $new-stream:abort/disp8
<span id="L23" class="LineNr"> 23 </span> <span class="subxS1Comment"># . edx = elemsize*length</span>
<span id="L24" class="LineNr"> 24 </span> 89/copy 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy eax to edx</span>
<span id="L25" class="LineNr"> 25 </span> <span class="subxS1Comment"># . eax += 12</span>
<span id="L26" class="LineNr"> 26 </span> 05/add-to-eax 0xc/imm32
<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># var eax: (handle stream _) = allocate(ad, n)</span>
<span id="L28" class="LineNr"> 28 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L29" class="LineNr"> 29 </span> 50/push-eax
<span id="L30" class="LineNr"> 30 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span>
<span id="L31" class="LineNr"> 31 </span> <span class="subxS2Comment"># . . call</span>
<span id="L32" class="LineNr"> 32 </span> e8/call <a href='069allocate.subx.html#L59'>allocate</a>/disp32
<span id="L33" class="LineNr"> 33 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L34" class="LineNr"> 34 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># eax-&gt;length = elemsize*length</span>
<span id="L36" class="LineNr"> 36 </span> 89/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy edx to *(eax+8)</span>
<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># clear-stream(eax)</span>
<span id="L38" class="LineNr"> 38 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L39" class="LineNr"> 39 </span> 50/push-eax
<span id="L40" class="LineNr"> 40 </span> <span class="subxS2Comment"># . . call</span>
<span id="L41" class="LineNr"> 41 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L42" class="LineNr"> 42 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L43" class="LineNr"> 43 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L44" class="LineNr"> 44 </span><span class="Constant">$new-stream:end</span>:
<span id="L45" class="LineNr"> 45 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L46" class="LineNr"> 46 </span> 5a/pop-to-edx
<span id="L47" class="LineNr"> 47 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L48" class="LineNr"> 48 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L49" class="LineNr"> 49 </span> 5d/pop-to-ebp
<span id="L50" class="LineNr"> 50 </span> c3/return
<span id="L51" class="LineNr"> 51 </span>
<span id="L52" class="LineNr"> 52 </span><span class="Constant">$new-stream:abort</span>:
<span id="L53" class="LineNr"> 53 </span> <span class="subxS1Comment"># . _write(2/stderr, error)</span>
<span id="L54" class="LineNr"> 54 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L55" class="LineNr"> 55 </span> 68/push <span class="Constant">&quot;new-stream: size too large\n&quot;</span>/imm32
<span id="L56" class="LineNr"> 56 </span> 68/push 2/imm32/stderr
<span id="L57" class="LineNr"> 57 </span> <span class="subxS2Comment"># . . call</span>
<span id="L58" class="LineNr"> 58 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32
<span id="L59" class="LineNr"> 59 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L60" class="LineNr"> 60 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L61" class="LineNr"> 61 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L62" class="LineNr"> 62 </span> bb/copy-to-ebx 1/imm32
<span id="L63" class="LineNr"> 63 </span> b8/copy-to-eax 1/imm32/exit
<span id="L64" class="LineNr"> 64 </span> cd/syscall 0x80/imm8
<span id="L65" class="LineNr"> 65 </span> <span class="subxComment"># never gets here</span>
<span id="L66" class="LineNr"> 66 </span>
<span id="L67" class="LineNr"> 67 </span><span class="subxTest">test-new-stream</span>:
<span id="L68" class="LineNr"> 68 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L69" class="LineNr"> 69 </span> 55/push-ebp
<span id="L70" class="LineNr"> 70 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L71" class="LineNr"> 71 </span> <span class="subxComment"># var heap/ecx: allocation-descriptor</span>
<span id="L72" class="LineNr"> 72 </span> 68/push 0/imm32/limit
<span id="L73" class="LineNr"> 73 </span> 68/push 0/imm32/curr
<span id="L74" class="LineNr"> 74 </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="L75" class="LineNr"> 75 </span> <span class="subxComment"># heap = new-segment(512)</span>
<span id="L76" class="LineNr"> 76 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L77" class="LineNr"> 77 </span> 51/push-ecx
<span id="L78" class="LineNr"> 78 </span> 68/push 0x200/imm32
<span id="L79" class="LineNr"> 79 </span> <span class="subxS2Comment"># . . call</span>
<span id="L80" class="LineNr"> 80 </span> e8/call <a href='053new-segment.subx.html#L41'>new-segment</a>/disp32
<span id="L81" class="LineNr"> 81 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L82" class="LineNr"> 82 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L83" class="LineNr"> 83 </span> <span class="subxComment"># var start/edx = ad-&gt;curr</span>
<span id="L84" class="LineNr"> 84 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to edx</span>
<span id="L85" class="LineNr"> 85 </span> <span class="subxComment"># var eax: (handle stream byte) = new-stream(heap, 3, 2)</span>
<span id="L86" class="LineNr"> 86 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L87" class="LineNr"> 87 </span> 68/push 2/imm32
<span id="L88" class="LineNr"> 88 </span> 68/push 3/imm32
<span id="L89" class="LineNr"> 89 </span> 51/push-ecx
<span id="L90" class="LineNr"> 90 </span> <span class="subxS2Comment"># . . call</span>
<span id="L91" class="LineNr"> 91 </span> e8/call <a href='070new-stream.subx.html#L8'>new-stream</a>/disp32
<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L93" class="LineNr"> 93 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L94" class="LineNr"> 94 </span> <span class="subxComment"># check-ints-equal(eax, edx, msg)</span>
<span id="L95" class="LineNr"> 95 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L96" class="LineNr"> 96 </span> 68/push <span class="Constant">&quot;F - <a href='070new-stream.subx.html#L67'>test-new-stream</a>: returns current pointer of allocation descriptor&quot;</span>/imm32
<span id="L97" class="LineNr"> 97 </span> 52/push-edx
<span id="L98" class="LineNr"> 98 </span> 50/push-eax
<span id="L99" class="LineNr"> 99 </span> <span class="subxS2Comment"># . . call</span>
<span id="L100" class="LineNr">100 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L101" class="LineNr">101 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L102" class="LineNr">102 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L103" class="LineNr">103 </span> <span class="subxComment"># check-ints-equal(eax-&gt;length, 6, msg)</span>
<span id="L104" class="LineNr">104 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L105" class="LineNr">105 </span> 68/push <span class="Constant">&quot;F - <a href='070new-stream.subx.html#L67'>test-new-stream</a>: sets length correctly&quot;</span>/imm32
<span id="L106" class="LineNr">106 </span> 68/push 6/imm32
<span id="L107" class="LineNr">107 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="subxComment"># push *(eax+8)</span>
<span id="L108" class="LineNr">108 </span> <span class="subxS2Comment"># . . call</span>
<span id="L109" class="LineNr">109 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L111" class="LineNr">111 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L112" class="LineNr">112 </span> <span class="subxComment"># the rest is delegated to clear-stream() so we won't bother checking it</span>
<span id="L113" class="LineNr">113 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L114" class="LineNr">114 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L115" class="LineNr">115 </span> 5d/pop-to-ebp
<span id="L116" class="LineNr">116 </span> c3/return
<span id="L117" class="LineNr">117 </span>
<span id="L118" class="LineNr">118 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
<span id="L13" class="LineNr"> 13 </span> 50/push-eax
<span id="L14" class="LineNr"> 14 </span> 52/push-edx
<span id="L15" class="LineNr"> 15 </span> <span class="subxComment"># var size/edx: int = elemsize*length (clobbering eax)</span>
<span id="L16" class="LineNr"> 16 </span> <span class="subxS1Comment"># . eax = elemsize</span>
<span id="L17" class="LineNr"> 17 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span>
<span id="L18" class="LineNr"> 18 </span> <span class="subxS1Comment"># . eax *= length</span>
<span id="L19" class="LineNr"> 19 </span> 31/xor 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear edx</span>
<span id="L20" class="LineNr"> 20 </span> f7 4/subop/multiply 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># multiply *(ebp+12) into eax</span>
<span id="L21" class="LineNr"> 21 </span> <span class="subxS1Comment"># . if overflow abort</span>
<span id="L22" class="LineNr"> 22 </span> 81 7/subop/compare 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare edx</span>
<span id="L23" class="LineNr"> 23 </span> 75/jump-if-!= $new-stream:abort/disp8
<span id="L24" class="LineNr"> 24 </span> <span class="subxS1Comment"># . edx = elemsize*length</span>
<span id="L25" class="LineNr"> 25 </span> 89/copy 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy eax to edx</span>
<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># var n/eax: int = size + 12 (for read, write and size)</span>
<span id="L27" class="LineNr"> 27 </span> 05/add-to-eax 0xc/imm32
<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># allocate(ad, n, out)</span>
<span id="L29" class="LineNr"> 29 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L30" class="LineNr"> 30 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+20)</span>
<span id="L31" class="LineNr"> 31 </span> 50/push-eax
<span id="L32" class="LineNr"> 32 </span> ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span>
<span id="L33" class="LineNr"> 33 </span> <span class="subxS2Comment"># . . call</span>
<span id="L34" class="LineNr"> 34 </span> e8/call <a href='069allocate.subx.html#L67'>allocate</a>/disp32
<span id="L35" class="LineNr"> 35 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L36" class="LineNr"> 36 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L37" class="LineNr"> 37 </span> <span class="subxComment"># eax = out-&gt;payload</span>
<span id="L38" class="LineNr"> 38 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x14/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+20) to eax</span>
<span id="L39" class="LineNr"> 39 </span> 8b/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(eax+4) to eax</span>
<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># skip payload-&gt;allocid</span>
<span id="L41" class="LineNr"> 41 </span> 05/add-to-eax 4/imm32
<span id="L42" class="LineNr"> 42 </span> <span class="subxComment"># eax-&gt;size = size</span>
<span id="L43" class="LineNr"> 43 </span> 89/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy edx to *(eax+8)</span>
<span id="L44" class="LineNr"> 44 </span> <span class="subxComment"># clear-stream(eax)</span>
<span id="L45" class="LineNr"> 45 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L46" class="LineNr"> 46 </span> 50/push-eax
<span id="L47" class="LineNr"> 47 </span> <span class="subxS2Comment"># . . call</span>
<span id="L48" class="LineNr"> 48 </span> e8/call <a href='055stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L49" class="LineNr"> 49 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L50" class="LineNr"> 50 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L51" class="LineNr"> 51 </span><span class="Constant">$new-stream:end</span>:
<span id="L52" class="LineNr"> 52 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L53" class="LineNr"> 53 </span> 5a/pop-to-edx
<span id="L54" class="LineNr"> 54 </span> 58/pop-to-eax
<span id="L55" class="LineNr"> 55 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L56" class="LineNr"> 56 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L57" class="LineNr"> 57 </span> 5d/pop-to-ebp
<span id="L58" class="LineNr"> 58 </span> c3/return
<span id="L59" class="LineNr"> 59 </span>
<span id="L60" class="LineNr"> 60 </span><span class="Constant">$new-stream:abort</span>:
<span id="L61" class="LineNr"> 61 </span> <span class="subxS1Comment"># . _write(2/stderr, error)</span>
<span id="L62" class="LineNr"> 62 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L63" class="LineNr"> 63 </span> 68/push <span class="Constant">&quot;new-stream: size too large\n&quot;</span>/imm32
<span id="L64" class="LineNr"> 64 </span> 68/push 2/imm32/stderr
<span id="L65" class="LineNr"> 65 </span> <span class="subxS2Comment"># . . call</span>
<span id="L66" class="LineNr"> 66 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32
<span id="L67" class="LineNr"> 67 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L68" class="LineNr"> 68 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L69" class="LineNr"> 69 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L70" class="LineNr"> 70 </span> bb/copy-to-ebx 1/imm32
<span id="L71" class="LineNr"> 71 </span> b8/copy-to-eax 1/imm32/exit
<span id="L72" class="LineNr"> 72 </span> cd/syscall 0x80/imm8
<span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># never gets here</span>
<span id="L74" class="LineNr"> 74 </span>
<span id="L75" class="LineNr"> 75 </span><span class="subxTest">test-new-stream</span>:
<span id="L76" class="LineNr"> 76 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L77" class="LineNr"> 77 </span> 55/push-ebp
<span id="L78" class="LineNr"> 78 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># var heap/ecx: allocation-descriptor</span>
<span id="L80" class="LineNr"> 80 </span> 68/push 0/imm32/limit
<span id="L81" class="LineNr"> 81 </span> 68/push 0/imm32/curr
<span id="L82" class="LineNr"> 82 </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="L83" class="LineNr"> 83 </span> <span class="subxComment"># heap = new-segment(512)</span>
<span id="L84" class="LineNr"> 84 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L85" class="LineNr"> 85 </span> 51/push-ecx
<span id="L86" class="LineNr"> 86 </span> 68/push 0x200/imm32
<span id="L87" class="LineNr"> 87 </span> <span class="subxS2Comment"># . . call</span>
<span id="L88" class="LineNr"> 88 </span> e8/call <a href='053new-segment.subx.html#L41'>new-segment</a>/disp32
<span id="L89" class="LineNr"> 89 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L90" class="LineNr"> 90 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L91" class="LineNr"> 91 </span> <span class="subxComment"># var start/edx = ad-&gt;curr</span>
<span id="L92" class="LineNr"> 92 </span> 8b/copy 0/mod/indirect 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *ecx to edx</span>
<span id="L93" class="LineNr"> 93 </span> <span class="subxComment"># var h/ebx: (handle stream byte)</span>
<span id="L94" class="LineNr"> 94 </span> 68/push 0/imm32
<span id="L95" class="LineNr"> 95 </span> 68/push 0/imm32
<span id="L96" class="LineNr"> 96 </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="L97" class="LineNr"> 97 </span> <span class="subxComment"># new-stream(heap, 3, 2, h)</span>
<span id="L98" class="LineNr"> 98 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L99" class="LineNr"> 99 </span> 53/push-ebx
<span id="L100" class="LineNr">100 </span> 68/push 2/imm32
<span id="L101" class="LineNr">101 </span> 68/push 3/imm32
<span id="L102" class="LineNr">102 </span> 51/push-ecx
<span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . call</span>
<span id="L104" class="LineNr">104 </span> e8/call <a href='070new-stream.subx.html#L8'>new-stream</a>/disp32
<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L106" class="LineNr">106 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span>
<span id="L107" class="LineNr">107 </span> <span class="subxComment"># eax = out-&gt;payload</span>
<span id="L108" class="LineNr">108 </span> 8b/copy 1/mod/*+disp8 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebx+4) to eax</span>
<span id="L109" class="LineNr">109 </span> <span class="subxComment"># check-ints-equal(eax, edx, msg)</span>
<span id="L110" class="LineNr">110 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L111" class="LineNr">111 </span> 68/push <span class="Constant">&quot;F - <a href='070new-stream.subx.html#L75'>test-new-stream</a>: returns current pointer of allocation descriptor&quot;</span>/imm32
<span id="L112" class="LineNr">112 </span> 52/push-edx
<span id="L113" class="LineNr">113 </span> 50/push-eax
<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . call</span>
<span id="L115" class="LineNr">115 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L116" class="LineNr">116 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L117" class="LineNr">117 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L118" class="LineNr">118 </span> <span class="subxComment"># skip payload-&gt;allocid</span>
<span id="L119" class="LineNr">119 </span> 05/add-to-eax 4/imm32
<span id="L120" class="LineNr">120 </span> <span class="subxComment"># check-ints-equal(eax-&gt;size, 6, msg)</span>
<span id="L121" class="LineNr">121 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L122" class="LineNr">122 </span> 68/push <span class="Constant">&quot;F - <a href='070new-stream.subx.html#L75'>test-new-stream</a>: sets size correctly&quot;</span>/imm32
<span id="L123" class="LineNr">123 </span> 68/push 6/imm32
<span id="L124" class="LineNr">124 </span> ff 6/subop/push 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/disp8 <span class="subxComment"># push *(eax+8)</span>
<span id="L125" class="LineNr">125 </span> <span class="subxS2Comment"># . . call</span>
<span id="L126" class="LineNr">126 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L127" class="LineNr">127 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L128" class="LineNr">128 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L129" class="LineNr">129 </span> <span class="subxComment"># the rest is delegated to clear-stream() so we won't bother checking it</span>
<span id="L130" class="LineNr">130 </span> <span class="subxS1Comment"># . reclaim locals</span>
<span id="L131" class="LineNr">131 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span>
<span id="L132" class="LineNr">132 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L133" class="LineNr">133 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L134" class="LineNr">134 </span> 5d/pop-to-ebp
<span id="L135" class="LineNr">135 </span> c3/return
<span id="L136" class="LineNr">136 </span>
<span id="L137" class="LineNr">137 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
</pre>
</body>
</html>

14
html/071read-line.subx.html
View File

@ -16,13 +16,13 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
-->
</style>
@ -69,7 +69,7 @@ if ('onhashchange' in window) {
<span id="L9" class="LineNr"> 9 </span><span class="subxFunction">read-line-buffered</span>: <span class="subxComment"># f: (addr buffered-file), s: (addr stream byte)</span>
<span id="L10" class="LineNr"> 10 </span> <span class="subxComment"># pseudocode:</span>
<span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># while true</span>
<span id="L12" class="LineNr"> 12 </span> <span class="subxComment"># if (s-&gt;write &gt;= s-&gt;length) abort</span>
<span id="L12" class="LineNr"> 12 </span> <span class="subxComment"># if (s-&gt;write &gt;= s-&gt;size) abort</span>
<span id="L13" class="LineNr"> 13 </span> <span class="subxComment"># if (f-&gt;read &gt;= f-&gt;write) populate stream from file</span>
<span id="L14" class="LineNr"> 14 </span> <span class="subxComment"># if (f-&gt;write == 0) break</span>
<span id="L15" class="LineNr"> 15 </span> <span class="subxComment"># AL = f-&gt;data[f-&gt;read]</span>
@ -95,7 +95,7 @@ if ('onhashchange' in window) {
<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># edx = s-&gt;write</span>
<span id="L36" class="LineNr"> 36 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to edx</span>
<span id="L37" class="LineNr"> 37 </span><span class="Constant">$read-line-buffered:loop</span>:
<span id="L38" class="LineNr"> 38 </span> <span class="subxComment"># if (s-&gt;write &gt;= s-&gt;length) abort</span>
<span id="L38" class="LineNr"> 38 </span> <span class="subxComment"># if (s-&gt;write &gt;= s-&gt;size) abort</span>
<span id="L39" class="LineNr"> 39 </span> 3b/compare 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare edx with *(edi+8)</span>
<span id="L40" class="LineNr"> 40 </span> 7d/jump-if-&gt;= $read-line-buffered:abort/disp8
<span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># if (f-&gt;read &gt;= f-&gt;write) populate stream from file</span>
@ -279,7 +279,7 @@ if ('onhashchange' in window) {
<span id="L219" class="LineNr">219 </span><span class="subxFunction">read-line</span>: <span class="subxComment"># f: (addr stream byte), s: (addr stream byte)</span>
<span id="L220" class="LineNr">220 </span> <span class="subxComment"># pseudocode:</span>
<span id="L221" class="LineNr">221 </span> <span class="subxComment"># while true</span>
<span id="L222" class="LineNr">222 </span> <span class="subxComment"># if (s-&gt;write &gt;= s-&gt;length) abort</span>
<span id="L222" class="LineNr">222 </span> <span class="subxComment"># if (s-&gt;write &gt;= s-&gt;size) abort</span>
<span id="L223" class="LineNr">223 </span> <span class="subxComment"># if (f-&gt;read &gt;= f-&gt;write) break</span>
<span id="L224" class="LineNr">224 </span> <span class="subxComment"># AL = f-&gt;data[f-&gt;read]</span>
<span id="L225" class="LineNr">225 </span> <span class="subxComment"># s-&gt;data[s-&gt;write] = AL</span>
@ -304,7 +304,7 @@ if ('onhashchange' in window) {
<span id="L244" class="LineNr">244 </span> <span class="subxComment"># edx = s-&gt;write</span>
<span id="L245" class="LineNr">245 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to edx</span>
<span id="L246" class="LineNr">246 </span><span class="Constant">$read-line:loop</span>:
<span id="L247" class="LineNr">247 </span> <span class="subxComment"># if (s-&gt;write &gt;= s-&gt;length) abort</span>
<span id="L247" class="LineNr">247 </span> <span class="subxComment"># if (s-&gt;write &gt;= s-&gt;size) abort</span>
<span id="L248" class="LineNr">248 </span> 3b/compare 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare edx with *(edi+8)</span>
<span id="L249" class="LineNr">249 </span> 0f 8d/jump-if-&gt;= $read-line:abort/disp32
<span id="L250" class="LineNr">250 </span> <span class="subxComment"># if (f-&gt;read &gt;= f-&gt;write) break</span>

317
html/072slice.subx.html
View File

@ -16,14 +16,14 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.Folded { color: #080808; background-color: #949494; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
.Folded { color: #080808; background-color: #949494; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
-->
</style>
@ -183,7 +183,7 @@ if ('onhashchange' in window) {
<span id="L122" class="LineNr"> 122 </span> <span class="subxComment"># if (p == 0) return (s == 0)</span>
<span id="L123" class="LineNr"> 123 </span> <span class="subxComment"># currs = s-&gt;start</span>
<span id="L124" class="LineNr"> 124 </span> <span class="subxComment"># maxs = s-&gt;end</span>
<span id="L125" class="LineNr"> 125 </span> <span class="subxComment"># if (maxs - currs != p-&gt;length) return false</span>
<span id="L125" class="LineNr"> 125 </span> <span class="subxComment"># if (maxs - currs != p-&gt;size) return false</span>
<span id="L126" class="LineNr"> 126 </span> <span class="subxComment"># currp = p-&gt;data</span>
<span id="L127" class="LineNr"> 127 </span> <span class="subxComment"># while currs &lt; maxs</span>
<span id="L128" class="LineNr"> 128 </span> <span class="subxComment"># if (*currs != *currp) return false</span>
@ -212,7 +212,7 @@ if ('onhashchange' in window) {
<span id="L151" class="LineNr"> 151 </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="L152" class="LineNr"> 152 </span> <span class="subxComment"># var maxs/esi: (addr byte) = s-&gt;end</span>
<span id="L153" class="LineNr"> 153 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to esi</span>
<span id="L154" class="LineNr"> 154 </span> <span class="subxComment"># var slen/eax: int = maxs - currs</span>
<span id="L154" class="LineNr"> 154 </span> <span class="subxComment"># var ssize/eax: int = maxs - currs</span>
<span id="L155" class="LineNr"> 155 </span> 89/copy 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esi to eax</span>
<span id="L156" class="LineNr"> 156 </span> 29/subtract 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract edx from eax</span>
<span id="L157" class="LineNr"> 157 </span> <span class="subxComment"># ebx = p</span>
@ -226,7 +226,7 @@ if ('onhashchange' in window) {
<span id="L165" class="LineNr"> 165 </span> 74/jump-if-= $slice-equal?:true/disp8
<span id="L166" class="LineNr"> 166 </span> eb/jump $slice-equal?:false/disp8
<span id="L167" class="LineNr"> 167 </span><span class="Constant">$slice-equal?:nonnull-string</span>:
<span id="L168" class="LineNr"> 168 </span> <span class="subxComment"># if (slen != p-&gt;length) return false</span>
<span id="L168" class="LineNr"> 168 </span> <span class="subxComment"># if (ssize != p-&gt;size) return false</span>
<span id="L169" class="LineNr"> 169 </span> 39/compare 0/mod/indirect 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare *ebx and eax</span>
<span id="L170" class="LineNr"> 170 </span> 75/jump-if-!= $slice-equal?:false/disp8
<span id="L171" class="LineNr"> 171 </span> <span class="subxComment"># var currp/ebx: (addr byte) = p-&gt;data</span>
@ -547,12 +547,12 @@ if ('onhashchange' in window) {
<span id="L486" class="LineNr"> 486 </span>
<span id="L487" class="LineNr"> 487 </span><span class="subxFunction">slice-starts-with?</span>: <span class="subxComment"># s: (addr slice), head: (addr array byte) -&gt; eax: boolean</span>
<span id="L488" class="LineNr"> 488 </span> <span class="subxComment"># pseudocode</span>
<span id="L489" class="LineNr"> 489 </span> <span class="subxComment"># lenh = head-&gt;length</span>
<span id="L490" class="LineNr"> 490 </span> <span class="subxComment"># if (lenh &gt; s-&gt;end - s-&gt;start) return false</span>
<span id="L489" class="LineNr"> 489 </span> <span class="subxComment"># hsize = head-&gt;size</span>
<span id="L490" class="LineNr"> 490 </span> <span class="subxComment"># if (hsize &gt; s-&gt;end - s-&gt;start) return false</span>
<span id="L491" class="LineNr"> 491 </span> <span class="subxComment"># i = 0</span>
<span id="L492" class="LineNr"> 492 </span> <span class="subxComment"># currs = s-&gt;start</span>
<span id="L493" class="LineNr"> 493 </span> <span class="subxComment"># currp = head-&gt;data</span>
<span id="L494" class="LineNr"> 494 </span> <span class="subxComment"># while i &lt; lenh</span>
<span id="L494" class="LineNr"> 494 </span> <span class="subxComment"># while i &lt; hsize</span>
<span id="L495" class="LineNr"> 495 </span> <span class="subxComment"># if (*currs != *currh) return false</span>
<span id="L496" class="LineNr"> 496 </span> <span class="subxComment"># ++i</span>
<span id="L497" class="LineNr"> 497 </span> <span class="subxComment"># ++currs</span>
@ -565,7 +565,7 @@ if ('onhashchange' in window) {
<span id="L504" class="LineNr"> 504 </span> <span class="subxComment"># *currs: eax</span>
<span id="L505" class="LineNr"> 505 </span> <span class="subxComment"># *currh: ebx</span>
<span id="L506" class="LineNr"> 506 </span> <span class="subxComment"># i: ecx</span>
<span id="L507" class="LineNr"> 507 </span> <span class="subxComment"># lenh: edx</span>
<span id="L507" class="LineNr"> 507 </span> <span class="subxComment"># hsize: edx</span>
<span id="L508" class="LineNr"> 508 </span> <span class="subxComment">#</span>
<span id="L509" class="LineNr"> 509 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L510" class="LineNr"> 510 </span> 55/push-ebp
@ -583,9 +583,9 @@ if ('onhashchange' in window) {
<span id="L522" class="LineNr"> 522 </span> 2b/subtract 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># subtract *esi from ecx</span>
<span id="L523" class="LineNr"> 523 </span> <span class="subxComment"># edi = head</span>
<span id="L524" class="LineNr"> 524 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edi</span>
<span id="L525" class="LineNr"> 525 </span> <span class="subxComment"># var lenh/edx: int = head-&gt;length</span>
<span id="L525" class="LineNr"> 525 </span> <span class="subxComment"># var hsize/edx: int = head-&gt;size</span>
<span id="L526" class="LineNr"> 526 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to edx</span>
<span id="L527" class="LineNr"> 527 </span> <span class="subxComment"># if (lenh &gt; lens) return false</span>
<span id="L527" class="LineNr"> 527 </span> <span class="subxComment"># if (hsize &gt; lens) return false</span>
<span id="L528" class="LineNr"> 528 </span> 39/compare 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare edx with ecx</span>
<span id="L529" class="LineNr"> 529 </span> 7f/jump-if-&gt; $slice-starts-with?:false/disp8
<span id="L530" class="LineNr"> 530 </span> <span class="subxComment"># var currs/esi: (addr byte) = s-&gt;start</span>
@ -599,7 +599,7 @@ if ('onhashchange' in window) {
<span id="L538" class="LineNr"> 538 </span> <span class="subxComment"># var c2/ebx: byte = 0</span>
<span id="L539" class="LineNr"> 539 </span> 31/xor 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># clear ebx</span>
<span id="L540" class="LineNr"> 540 </span><span class="Constant">$slice-starts-with?:loop</span>:
<span id="L541" class="LineNr"> 541 </span> <span class="subxComment"># if (i &gt;= lenh) return true</span>
<span id="L541" class="LineNr"> 541 </span> <span class="subxComment"># if (i &gt;= hsize) return true</span>
<span id="L542" class="LineNr"> 542 </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="L543" class="LineNr"> 543 </span> 7d/jump-if-&gt;= $slice-starts-with?:true/disp8
<span id="L544" class="LineNr"> 544 </span> <span class="subxComment"># c1 = *currs</span>
@ -870,7 +870,7 @@ if ('onhashchange' in window) {
<span id="L809" class="LineNr"> 809 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to esi</span>
<span id="L810" class="LineNr"> 810 </span> <span class="subxComment"># edi = out</span>
<span id="L811" class="LineNr"> 811 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span>
<span id="L812" class="LineNr"> 812 </span> <span class="subxComment"># edx = out-&gt;length</span>
<span id="L812" class="LineNr"> 812 </span> <span class="subxComment"># edx = out-&gt;size</span>
<span id="L813" class="LineNr"> 813 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+8) to edx</span>
<span id="L814" class="LineNr"> 814 </span> <span class="subxComment"># ebx = out-&gt;write</span>
<span id="L815" class="LineNr"> 815 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to ebx</span>
@ -878,7 +878,7 @@ if ('onhashchange' in window) {
<span id="L817" class="LineNr"> 817 </span> <span class="subxComment"># if (curr &gt;= max) break</span>
<span id="L818" class="LineNr"> 818 </span> 39/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with esi</span>
<span id="L819" class="LineNr"> 819 </span> 73/jump-if-addr&gt;= $write-slice:loop-end/disp8
<span id="L820" class="LineNr"> 820 </span> <span class="subxComment"># if (out-&gt;write &gt;= out-&gt;length) abort</span>
<span id="L820" class="LineNr"> 820 </span> <span class="subxComment"># if (out-&gt;write &gt;= out-&gt;size) abort</span>
<span id="L821" class="LineNr"> 821 </span> 39/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ebx with edx</span>
<span id="L822" class="LineNr"> 822 </span> 7d/jump-if-&gt;= $write-slice:abort/disp8
<span id="L823" class="LineNr"> 823 </span> <span class="subxComment"># out-&gt;data[out-&gt;write] = *in</span>
@ -986,7 +986,7 @@ if ('onhashchange' in window) {
<span id="L925" class="LineNr"> 925 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to esi</span>
<span id="L926" class="LineNr"> 926 </span> <span class="subxComment"># edi = out</span>
<span id="L927" class="LineNr"> 927 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span>
<span id="L928" class="LineNr"> 928 </span> <span class="subxComment"># edx = out-&gt;length</span>
<span id="L928" class="LineNr"> 928 </span> <span class="subxComment"># edx = out-&gt;size</span>
<span id="L929" class="LineNr"> 929 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+12) to edx</span>
<span id="L930" class="LineNr"> 930 </span> <span class="subxComment"># ebx = out-&gt;write</span>
<span id="L931" class="LineNr"> 931 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+4) to ebx</span>
@ -994,7 +994,7 @@ if ('onhashchange' in window) {
<span id="L933" class="LineNr"> 933 </span> <span class="subxComment"># if (curr &gt;= max) break</span>
<span id="L934" class="LineNr"> 934 </span> 39/compare 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ecx with esi</span>
<span id="L935" class="LineNr"> 935 </span> 73/jump-if-addr&gt;= $write-slice-buffered:loop-end/disp8
<span id="L936" class="LineNr"> 936 </span> <span class="subxComment"># if (out-&gt;write &gt;= out-&gt;length) flush and clear out's stream</span>
<span id="L936" class="LineNr"> 936 </span> <span class="subxComment"># if (out-&gt;write &gt;= out-&gt;size) flush and clear out's stream</span>
<span id="L937" class="LineNr"> 937 </span> 39/compare 3/mod/direct 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare ebx with edx</span>
<span id="L938" class="LineNr"> 938 </span> 7c/jump-if-&lt; $write-slice-buffered:to-stream/disp8
<span id="L939" class="LineNr"> 939 </span> <span class="subxS1Comment"># . persist out-&gt;write</span>
@ -1102,141 +1102,160 @@ if ('onhashchange' in window) {
<span id="L1041" class="LineNr">1041 </span> c3/return
<span id="L1042" class="LineNr">1042 </span>
<span id="L1043" class="LineNr">1043 </span><span class="subxComment"># copy a slice into a new (dynamically allocated) string</span>
<span id="L1044" class="LineNr">1044 </span><span class="subxFunction">slice-to-string</span>: <span class="subxComment"># ad: (addr allocation-descriptor), in: (addr slice) -&gt; out/eax: (addr array byte)</span>
<span id="L1044" class="LineNr">1044 </span><span class="subxFunction">slice-to-string</span>: <span class="subxComment"># ad: (addr allocation-descriptor), in: (addr slice), out: (addr handle array byte)</span>
<span id="L1045" class="LineNr">1045 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L1046" class="LineNr">1046 </span> 55/push-ebp
<span id="L1047" class="LineNr">1047 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L1048" class="LineNr">1048 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L1049" class="LineNr">1049 </span> 51/push-ecx
<span id="L1050" class="LineNr">1050 </span> 52/push-edx
<span id="L1051" class="LineNr">1051 </span> 53/push-ebx
<span id="L1052" class="LineNr">1052 </span> 56/push-esi
<span id="L1053" class="LineNr">1053 </span> <span class="subxComment"># esi = in</span>
<span id="L1054" class="LineNr">1054 </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="L1055" class="LineNr">1055 </span> <span class="subxComment"># var curr/edx: (addr byte) = in-&gt;start</span>
<span id="L1056" class="LineNr">1056 </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="L1057" class="LineNr">1057 </span> <span class="subxComment"># var max/ebx: (addr byte) = in-&gt;end</span>
<span id="L1058" class="LineNr">1058 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ebx</span>
<span id="L1059" class="LineNr">1059 </span> <span class="subxComment"># var size/ecx: int = max - curr + 4 # total size of output string (including the initial length)</span>
<span id="L1060" class="LineNr">1060 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebx to ecx</span>
<span id="L1061" class="LineNr">1061 </span> 29/subtract 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"># subtract edx from ecx</span>
<span id="L1062" class="LineNr">1062 </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="L1063" class="LineNr">1063 </span> <span class="subxComment"># var out/eax: (handle array byte) = allocate(ad, size)</span>
<span id="L1064" class="LineNr">1064 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L1065" class="LineNr">1065 </span> 51/push-ecx
<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> 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+8)</span>
<span id="L1067" class="LineNr">1067 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1068" class="LineNr">1068 </span> e8/call <a href='069allocate.subx.html#L59'>allocate</a>/disp32
<span id="L1069" class="LineNr">1069 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1070" class="LineNr">1070 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L1071" class="LineNr">1071 </span> <span class="subxComment"># if (eax == 0) abort</span>
<span id="L1072" class="LineNr">1072 </span> 3d/compare-eax-and 0/imm32
<span id="L1073" class="LineNr">1073 </span> 74/jump-if-= $slice-to-string:abort/disp8
<span id="L1074" class="LineNr">1074 </span> <span class="subxComment"># out-&gt;length = size-4</span>
<span id="L1075" class="LineNr">1075 </span> 89/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ecx to *eax</span>
<span id="L1076" class="LineNr">1076 </span> 81 5/subop/subtract 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># subtract 4 from *eax</span>
<span id="L1077" class="LineNr">1077 </span> <span class="subxComment"># save out</span>
<span id="L1078" class="LineNr">1078 </span> 50/push-eax
<span id="L1079" class="LineNr">1079 </span><span class="Constant">$slice-to-string:initialize</span>:
<span id="L1080" class="LineNr">1080 </span> <span class="subxComment"># eax = _append-4(eax+4, eax+size, curr, max) # clobbering ecx</span>
<span id="L1081" class="LineNr">1081 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L1082" class="LineNr">1082 </span> 53/push-ebx
<span id="L1083" class="LineNr">1083 </span> 52/push-edx
<span id="L1084" class="LineNr">1084 </span> <span class="subxS2Comment"># . . push eax+size (clobbering ecx)</span>
<span id="L1085" class="LineNr">1085 </span> 01/add 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add eax to ecx</span>
<span id="L1086" class="LineNr">1086 </span> 51/push-ecx
<span id="L1087" class="LineNr">1087 </span> <span class="subxS2Comment"># . . push eax+4 (clobbering eax)</span>
<span id="L1088" class="LineNr">1088 </span> 81 0/subop/add 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to eax</span>
<span id="L1089" class="LineNr">1089 </span> 50/push-eax
<span id="L1090" class="LineNr">1090 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1091" class="LineNr">1091 </span> e8/call <a href='056trace.subx.html#L897'>_append-4</a>/disp32
<span id="L1092" class="LineNr">1092 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1093" class="LineNr">1093 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0x10/imm32 <span class="subxComment"># add to esp</span>
<span id="L1094" class="LineNr">1094 </span> <span class="subxComment"># restore out (assumes _append-4 can't error)</span>
<span id="L1095" class="LineNr">1095 </span> 58/pop-to-eax
<span id="L1096" class="LineNr">1096 </span><span class="Constant">$slice-to-string:end</span>:
<span id="L1097" class="LineNr">1097 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L1098" class="LineNr">1098 </span> 5e/pop-to-esi
<span id="L1099" class="LineNr">1099 </span> 5b/pop-to-ebx
<span id="L1100" class="LineNr">1100 </span> 5a/pop-to-edx
<span id="L1101" class="LineNr">1101 </span> 59/pop-to-ecx
<span id="L1102" class="LineNr">1102 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L1103" class="LineNr">1103 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L1104" class="LineNr">1104 </span> 5d/pop-to-ebp
<span id="L1105" class="LineNr">1105 </span> c3/return
<span id="L1106" class="LineNr">1106 </span>
<span id="L1107" class="LineNr">1107 </span><span class="Constant">$slice-to-string:abort</span>:
<span id="L1108" class="LineNr">1108 </span> <span class="subxS1Comment"># . _write(2/stderr, error)</span>
<span id="L1109" class="LineNr">1109 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L1110" class="LineNr">1110 </span> 68/push <span class="Constant">&quot;slice-to-string: out of space\n&quot;</span>/imm32
<span id="L1111" class="LineNr">1111 </span> 68/push 2/imm32/stderr
<span id="L1112" class="LineNr">1112 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1113" class="LineNr">1113 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32
<span id="L1114" class="LineNr">1114 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1115" class="LineNr">1115 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L1116" class="LineNr">1116 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L1117" class="LineNr">1117 </span> bb/copy-to-ebx 1/imm32
<span id="L1118" class="LineNr">1118 </span> b8/copy-to-eax 1/imm32/exit
<span id="L1119" class="LineNr">1119 </span> cd/syscall 0x80/imm8
<span id="L1120" class="LineNr">1120 </span> <span class="subxComment"># never gets here</span>
<span id="L1121" class="LineNr">1121 </span>
<span id="L1122" class="LineNr">1122 </span><span class="subxTest">test-slice-to-string</span>:
<span id="L1123" class="LineNr">1123 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L1124" class="LineNr">1124 </span> 55/push-ebp
<span id="L1125" class="LineNr">1125 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L1126" class="LineNr">1126 </span> <span class="subxComment"># var heap/edx: allocation-descriptor</span>
<span id="L1127" class="LineNr">1127 </span> 68/push 0/imm32/limit
<span id="L1128" class="LineNr">1128 </span> 68/push 0/imm32/curr
<span id="L1129" class="LineNr">1129 </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="L1130" class="LineNr">1130 </span> <span class="subxComment"># heap = new-segment(512)</span>
<span id="L1131" class="LineNr">1131 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L1132" class="LineNr">1132 </span> 52/push-edx
<span id="L1133" class="LineNr">1133 </span> 68/push 0x200/imm32
<span id="L1134" class="LineNr">1134 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1135" class="LineNr">1135 </span> e8/call <a href='053new-segment.subx.html#L41'>new-segment</a>/disp32
<span id="L1136" class="LineNr">1136 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1137" class="LineNr">1137 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L1138" class="LineNr">1138 </span> <span class="subxComment"># (eax..ecx) = &quot;Abc&quot;</span>
<span id="L1139" class="LineNr">1139 </span> b8/copy-to-eax <span class="Constant">&quot;Abc&quot;</span>/imm32
<span id="L1140" class="LineNr">1140 </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="L1141" class="LineNr">1141 </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="L1142" class="LineNr">1142 </span> 05/add-to-eax 4/imm32
<span id="L1143" class="LineNr">1143 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span>
<span id="L1144" class="LineNr">1144 </span> 51/push-ecx
<span id="L1145" class="LineNr">1145 </span> 50/push-eax
<span id="L1146" class="LineNr">1146 </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="L1147" class="LineNr">1147 </span> <span class="subxComment"># eax = slice-to-string(heap, slice)</span>
<span id="L1148" class="LineNr">1148 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L1149" class="LineNr">1149 </span> 51/push-ecx
<span id="L1150" class="LineNr">1150 </span> 52/push-edx
<span id="L1151" class="LineNr">1151 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1152" class="LineNr">1152 </span> e8/call <a href='072slice.subx.html#L1044'>slice-to-string</a>/disp32
<span id="L1153" class="LineNr">1153 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1154" class="LineNr">1154 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L1155" class="Folded">1155 </span><span class="Folded">+-- 26 lines: #? # dump word-slice --------------------------------------------------------------------------------------------------------------------------------------------------</span>
<span id="L1181" class="LineNr">1181 </span> <span class="subxComment"># eax = string-equal?(eax, &quot;Abc&quot;)</span>
<span id="L1182" class="LineNr">1182 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L1183" class="LineNr">1183 </span> 68/push <span class="Constant">&quot;Abc&quot;</span>/imm32
<span id="L1184" class="LineNr">1184 </span> 50/push-eax
<span id="L1185" class="LineNr">1185 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1186" class="LineNr">1186 </span> e8/call <a href='054string-equal.subx.html#L16'>string-equal?</a>/disp32
<span id="L1187" class="LineNr">1187 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1188" class="LineNr">1188 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L1189" class="LineNr">1189 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span>
<span id="L1190" class="LineNr">1190 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L1191" class="LineNr">1191 </span> 68/push <span class="Constant">&quot;F - test-slice-to-string&quot;</span>/imm32
<span id="L1192" class="LineNr">1192 </span> 68/push 1/imm32/true
<span id="L1193" class="LineNr">1193 </span> 50/push-eax
<span id="L1194" class="LineNr">1194 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1195" class="LineNr">1195 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L1196" class="LineNr">1196 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1197" class="LineNr">1197 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L1198" class="LineNr">1198 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L1199" class="LineNr">1199 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L1200" class="LineNr">1200 </span> 5d/pop-to-ebp
<span id="L1201" class="LineNr">1201 </span> c3/return
<span id="L1202" class="LineNr">1202 </span>
<span id="L1203" class="LineNr">1203 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
<span id="L1049" class="LineNr">1049 </span> 50/push-eax
<span id="L1050" class="LineNr">1050 </span> 51/push-ecx
<span id="L1051" class="LineNr">1051 </span> 52/push-edx
<span id="L1052" class="LineNr">1052 </span> 53/push-ebx
<span id="L1053" class="LineNr">1053 </span> 56/push-esi
<span id="L1054" class="LineNr">1054 </span> <span class="subxComment"># esi = in</span>
<span id="L1055" class="LineNr">1055 </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="L1056" class="LineNr">1056 </span> <span class="subxComment"># var curr/edx: (addr byte) = in-&gt;start</span>
<span id="L1057" class="LineNr">1057 </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="L1058" class="LineNr">1058 </span> <span class="subxComment"># var max/ebx: (addr byte) = in-&gt;end</span>
<span id="L1059" class="LineNr">1059 </span> 8b/copy 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+4) to ebx</span>
<span id="L1060" class="LineNr">1060 </span> <span class="subxComment"># var size/ecx: int = max - curr + 4 # total size of output string (including the initial 'size' field)</span>
<span id="L1061" class="LineNr">1061 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebx to ecx</span>
<span id="L1062" class="LineNr">1062 </span> 29/subtract 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"># subtract edx from ecx</span>
<span id="L1063" class="LineNr">1063 </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="L1064" class="LineNr">1064 </span> <span class="subxComment"># allocate(ad, size, out)</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> 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># push *(ebp+16)</span>
<span id="L1067" class="LineNr">1067 </span> 51/push-ecx
<span id="L1068" class="LineNr">1068 </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="L1069" class="LineNr">1069 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1070" class="LineNr">1070 </span> e8/call <a href='069allocate.subx.html#L67'>allocate</a>/disp32
<span id="L1071" class="LineNr">1071 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1072" class="LineNr">1072 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L1073" class="LineNr">1073 </span> <span class="subxComment"># eax = out-&gt;payload</span>
<span id="L1074" class="LineNr">1074 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0x10/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+16) to eax</span>
<span id="L1075" class="LineNr">1075 </span> 8b/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(eax+4) to eax</span>
<span id="L1076" class="LineNr">1076 </span> <span class="subxComment"># skip payload-&gt;allocid</span>
<span id="L1077" class="LineNr">1077 </span> 05/add-to-eax 4/imm32
<span id="L1078" class="LineNr">1078 </span> <span class="subxComment"># if (eax == 0) abort</span>
<span id="L1079" class="LineNr">1079 </span> 3d/compare-eax-and 0/imm32
<span id="L1080" class="LineNr">1080 </span> 74/jump-if-= $slice-to-string:abort/disp8
<span id="L1081" class="LineNr">1081 </span> <span class="subxComment"># out-&gt;size = size-4</span>
<span id="L1082" class="LineNr">1082 </span> 89/copy 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ecx to *eax</span>
<span id="L1083" class="LineNr">1083 </span> 81 5/subop/subtract 0/mod/indirect 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># subtract 4 from *eax</span>
<span id="L1084" class="LineNr">1084 </span> <span class="subxComment"># save out</span>
<span id="L1085" class="LineNr">1085 </span> 50/push-eax
<span id="L1086" class="LineNr">1086 </span><span class="Constant">$slice-to-string:initialize</span>:
<span id="L1087" class="LineNr">1087 </span> <span class="subxComment"># eax = _append-4(eax+4, eax+size, curr, max) # clobbering ecx</span>
<span id="L1088" class="LineNr">1088 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L1089" class="LineNr">1089 </span> 53/push-ebx
<span id="L1090" class="LineNr">1090 </span> 52/push-edx
<span id="L1091" class="LineNr">1091 </span> <span class="subxS2Comment"># . . push eax+size (clobbering ecx)</span>
<span id="L1092" class="LineNr">1092 </span> 01/add 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add eax to ecx</span>
<span id="L1093" class="LineNr">1093 </span> 51/push-ecx
<span id="L1094" class="LineNr">1094 </span> <span class="subxS2Comment"># . . push eax+4 (clobbering eax)</span>
<span id="L1095" class="LineNr">1095 </span> 81 0/subop/add 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to eax</span>
<span id="L1096" class="LineNr">1096 </span> 50/push-eax
<span id="L1097" class="LineNr">1097 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1098" class="LineNr">1098 </span> e8/call <a href='056trace.subx.html#L897'>_append-4</a>/disp32
<span id="L1099" class="LineNr">1099 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1100" class="LineNr">1100 </span> 81 0/subop/add 3/mod/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="L1101" class="LineNr">1101 </span> <span class="subxComment"># restore out (assumes _append-4 can't error)</span>
<span id="L1102" class="LineNr">1102 </span> 58/pop-to-eax
<span id="L1103" class="LineNr">1103 </span><span class="Constant">$slice-to-string:end</span>:
<span id="L1104" class="LineNr">1104 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L1105" class="LineNr">1105 </span> 5e/pop-to-esi
<span id="L1106" class="LineNr">1106 </span> 5b/pop-to-ebx
<span id="L1107" class="LineNr">1107 </span> 5a/pop-to-edx
<span id="L1108" class="LineNr">1108 </span> 59/pop-to-ecx
<span id="L1109" class="LineNr">1109 </span> 58/pop-to-eax
<span id="L1110" class="LineNr">1110 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L1111" class="LineNr">1111 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L1112" class="LineNr">1112 </span> 5d/pop-to-ebp
<span id="L1113" class="LineNr">1113 </span> c3/return
<span id="L1114" class="LineNr">1114 </span>
<span id="L1115" class="LineNr">1115 </span><span class="Constant">$slice-to-string:abort</span>:
<span id="L1116" class="LineNr">1116 </span> <span class="subxS1Comment"># . _write(2/stderr, error)</span>
<span id="L1117" class="LineNr">1117 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L1118" class="LineNr">1118 </span> 68/push <span class="Constant">&quot;slice-to-string: out of space\n&quot;</span>/imm32
<span id="L1119" class="LineNr">1119 </span> 68/push 2/imm32/stderr
<span id="L1120" class="LineNr">1120 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1121" class="LineNr">1121 </span> e8/call <a href='050_write.subx.html#L14'>_write</a>/disp32
<span id="L1122" class="LineNr">1122 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1123" class="LineNr">1123 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L1124" class="LineNr">1124 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L1125" class="LineNr">1125 </span> bb/copy-to-ebx 1/imm32
<span id="L1126" class="LineNr">1126 </span> b8/copy-to-eax 1/imm32/exit
<span id="L1127" class="LineNr">1127 </span> cd/syscall 0x80/imm8
<span id="L1128" class="LineNr">1128 </span> <span class="subxComment"># never gets here</span>
<span id="L1129" class="LineNr">1129 </span>
<span id="L1130" class="LineNr">1130 </span><span class="subxTest">test-slice-to-string</span>:
<span id="L1131" class="LineNr">1131 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L1132" class="LineNr">1132 </span> 55/push-ebp
<span id="L1133" class="LineNr">1133 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L1134" class="LineNr">1134 </span> <span class="subxComment"># var heap/edx: allocation-descriptor</span>
<span id="L1135" class="LineNr">1135 </span> 68/push 0/imm32/limit
<span id="L1136" class="LineNr">1136 </span> 68/push 0/imm32/curr
<span id="L1137" class="LineNr">1137 </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="L1138" class="LineNr">1138 </span> <span class="subxComment"># heap = new-segment(512)</span>
<span id="L1139" class="LineNr">1139 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L1140" class="LineNr">1140 </span> 52/push-edx
<span id="L1141" class="LineNr">1141 </span> 68/push 0x200/imm32
<span id="L1142" class="LineNr">1142 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1143" class="LineNr">1143 </span> e8/call <a href='053new-segment.subx.html#L41'>new-segment</a>/disp32
<span id="L1144" class="LineNr">1144 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1145" class="LineNr">1145 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L1146" class="LineNr">1146 </span> <span class="subxComment"># (eax..ecx) = &quot;Abc&quot;</span>
<span id="L1147" class="LineNr">1147 </span> b8/copy-to-eax <span class="Constant">&quot;Abc&quot;</span>/imm32
<span id="L1148" class="LineNr">1148 </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="L1149" class="LineNr">1149 </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="L1150" class="LineNr">1150 </span> 05/add-to-eax 4/imm32
<span id="L1151" class="LineNr">1151 </span> <span class="subxComment"># var slice/ecx: slice = {eax, ecx}</span>
<span id="L1152" class="LineNr">1152 </span> 51/push-ecx
<span id="L1153" class="LineNr">1153 </span> 50/push-eax
<span id="L1154" class="LineNr">1154 </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="L1155" class="LineNr">1155 </span> <span class="subxComment"># var h/ebx: (handle array byte)</span>
<span id="L1156" class="LineNr">1156 </span> 68/push 0/imm32
<span id="L1157" class="LineNr">1157 </span> 68/push 0/imm32
<span id="L1158" class="LineNr">1158 </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="L1159" class="LineNr">1159 </span> <span class="subxComment"># slice-to-string(heap, slice, h)</span>
<span id="L1160" class="LineNr">1160 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L1161" class="LineNr">1161 </span> 53/push-ebx
<span id="L1162" class="LineNr">1162 </span> 51/push-ecx
<span id="L1163" class="LineNr">1163 </span> 52/push-edx
<span id="L1164" class="LineNr">1164 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1165" class="LineNr">1165 </span> e8/call <a href='072slice.subx.html#L1044'>slice-to-string</a>/disp32
<span id="L1166" class="LineNr">1166 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1167" class="LineNr">1167 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L1168" class="LineNr">1168 </span> <span class="subxComment"># eax = h-&gt;payload</span>
<span id="L1169" class="LineNr">1169 </span> 8b/copy 1/mod/*+disp8 3/rm32/ebx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebx+4) to eax</span>
<span id="L1170" class="LineNr">1170 </span> <span class="subxComment"># skip payload-&gt;allocid</span>
<span id="L1171" class="LineNr">1171 </span> 05/add-to-eax 4/imm32
<span id="L1172" class="Folded">1172 </span><span class="Folded">+-- 26 lines: #? # dump eax ---------------------------------------------------------------------------------------------------------------------------------------------------------</span>
<span id="L1198" class="LineNr">1198 </span> <span class="subxComment"># eax = string-equal?(eax, &quot;Abc&quot;)</span>
<span id="L1199" class="LineNr">1199 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L1200" class="LineNr">1200 </span> 68/push <span class="Constant">&quot;Abc&quot;</span>/imm32
<span id="L1201" class="LineNr">1201 </span> 50/push-eax
<span id="L1202" class="LineNr">1202 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1203" class="LineNr">1203 </span> e8/call <a href='054string-equal.subx.html#L16'>string-equal?</a>/disp32
<span id="L1204" class="LineNr">1204 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1205" class="LineNr">1205 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L1206" class="LineNr">1206 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span>
<span id="L1207" class="LineNr">1207 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L1208" class="LineNr">1208 </span> 68/push <span class="Constant">&quot;F - test-slice-to-string&quot;</span>/imm32
<span id="L1209" class="LineNr">1209 </span> 68/push 1/imm32/true
<span id="L1210" class="LineNr">1210 </span> 50/push-eax
<span id="L1211" class="LineNr">1211 </span> <span class="subxS2Comment"># . . call</span>
<span id="L1212" class="LineNr">1212 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L1213" class="LineNr">1213 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L1214" class="LineNr">1214 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L1215" class="LineNr">1215 </span> <span class="subxS1Comment"># . reclaim locals</span>
<span id="L1216" class="LineNr">1216 </span> 81 0/subop/add 3/mod/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="L1217" class="LineNr">1217 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L1218" class="LineNr">1218 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L1219" class="LineNr">1219 </span> 5d/pop-to-ebp
<span id="L1220" class="LineNr">1220 </span> c3/return
<span id="L1221" class="LineNr">1221 </span>
<span id="L1222" class="LineNr">1222 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
</pre>
</body>
</html>

6
html/073next-token.subx.html
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@ -16,12 +16,12 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.Constant { color: #008787; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxTest { color: #5f8700; }
.Constant { color: #008787; }
-->
</style>

4
html/074write-stream-data.subx.html
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@ -16,12 +16,12 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</style>

12
html/075print-int-decimal.subx.html
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@ -16,14 +16,14 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.Folded { color: #080808; background-color: #949494; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
.Folded { color: #080808; background-color: #949494; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
-->
</style>
@ -83,7 +83,7 @@ if ('onhashchange' in window) {
<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># push '-'</span>
<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># w = out-&gt;write</span>
<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># curr = &amp;out-&gt;data[out-&gt;write]</span>
<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># max = &amp;out-&gt;data[out-&gt;length]</span>
<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># max = &amp;out-&gt;data[out-&gt;size]</span>
<span id="L26" class="LineNr"> 26 </span> <span class="subxComment"># while true</span>
<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># pop into eax</span>
<span id="L28" class="LineNr"> 28 </span> <span class="subxComment"># if (eax == sentinel) break</span>
@ -139,7 +139,7 @@ if ('onhashchange' in window) {
<span id="L78" class="LineNr"> 78 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to edx</span>
<span id="L79" class="LineNr"> 79 </span> <span class="subxComment"># var curr/ecx: (addr byte) = &amp;out-&gt;data[out-&gt;write]</span>
<span id="L80" class="LineNr"> 80 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 2/index/edx <span class="Normal"> . </span> 1/r32/ecx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy ebx+edx+12 to ecx</span>
<span id="L81" class="LineNr"> 81 </span> <span class="subxComment"># var max/ebx: (addr byte) = &amp;out-&gt;data[out-&gt;length]</span>
<span id="L81" class="LineNr"> 81 </span> <span class="subxComment"># var max/ebx: (addr byte) = &amp;out-&gt;data[out-&gt;size]</span>
<span id="L82" class="LineNr"> 82 </span> 8b/copy 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 3/r32/ebx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(edi+8) to ebx</span>
<span id="L83" class="LineNr"> 83 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 3/index/ebx <span class="Normal"> . </span> 3/r32/ebx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy edi+ebx+12 to ebx</span>
<span id="L84" class="LineNr"> 84 </span><span class="Constant">$print-int32-decimal:write-loop</span>:

4
html/076next-word.subx.html
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@ -16,12 +16,12 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</style>

4
html/077subx-words.subx.html
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@ -16,12 +16,12 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</style>

4
html/078emit-hex.subx.html
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@ -16,12 +16,12 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</style>

8
html/079emit.subx.html
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@ -16,14 +16,14 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.LineNr { }
.SpecialChar { color: #d70000; }
.subxS1Comment { color: #0000af; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.SpecialChar { color: #d70000; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Folded { color: #080808; background-color: #949494; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</style>

3715
html/081table.subx.html
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8
html/082slurp.subx.html
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@ -16,12 +16,12 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</style>
@ -67,7 +67,7 @@ if ('onhashchange' in window) {
<span id="L8" class="LineNr"> 8 </span><span class="subxFunction">slurp</span>: <span class="subxComment"># f: (addr buffered-file), s: (addr stream byte)</span>
<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># pseudocode:</span>
<span id="L10" class="LineNr"> 10 </span> <span class="subxComment"># while true</span>
<span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># if (s-&gt;write &gt;= s-&gt;length) abort</span>
<span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># if (s-&gt;write &gt;= s-&gt;size) abort</span>
<span id="L12" class="LineNr"> 12 </span> <span class="subxComment"># if (f-&gt;read &gt;= f-&gt;write) populate stream from file</span>
<span id="L13" class="LineNr"> 13 </span> <span class="subxComment"># if (f-&gt;write == 0) break</span>
<span id="L14" class="LineNr"> 14 </span> <span class="subxComment"># AL = f-&gt;data[f-&gt;read]</span>
@ -92,7 +92,7 @@ if ('onhashchange' in window) {
<span id="L33" class="LineNr"> 33 </span> <span class="subxComment"># edx = s-&gt;write</span>
<span id="L34" class="LineNr"> 34 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to edx</span>
<span id="L35" class="LineNr"> 35 </span><span class="Constant">$slurp:loop</span>:
<span id="L36" class="LineNr"> 36 </span> <span class="subxComment"># if (s-&gt;write &gt;= s-&gt;length) abort</span>
<span id="L36" class="LineNr"> 36 </span> <span class="subxComment"># if (s-&gt;write &gt;= s-&gt;size) abort</span>
<span id="L37" class="LineNr"> 37 </span> 3b/compare 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare edx with *(edi+8)</span>
<span id="L38" class="LineNr"> 38 </span> 7d/jump-if-&gt;= $slurp:abort/disp8
<span id="L39" class="LineNr"> 39 </span> <span class="subxComment"># if (f-&gt;read &gt;= f-&gt;write) populate stream from file</span>

6
html/083subx-widths.subx.html
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@ -16,12 +16,12 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</style>
@ -75,7 +75,7 @@ if ('onhashchange' in window) {
<span id="L16" class="LineNr"> 16 </span> 51/push-ecx
<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># eax = word</span>
<span id="L18" class="LineNr"> 18 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to ecx</span>
<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># var ecx: (addr byte) = &amp;word[word-&gt;length]</span>
<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># var ecx: (addr byte) = &amp;word[word-&gt;size]</span>
<span id="L20" class="LineNr"> 20 </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="L21" class="LineNr"> 21 </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="L22" class="LineNr"> 22 </span> <span class="subxComment"># eax = word-&gt;data</span>

8
html/084emit-hex-array.subx.html
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@ -16,13 +16,13 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Folded { color: #080808; background-color: #949494; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</style>
@ -79,7 +79,7 @@ if ('onhashchange' in window) {
<span id="L19" class="LineNr"> 19 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to edx</span>
<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># var curr/ecx: (addr byte) = arr-&gt;data</span>
<span id="L21" class="LineNr"> 21 </span> 8d/copy-address 1/mod/*+disp8 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy edx+4 to ecx</span>
<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># var max/edx: (addr byte) = &amp;arr-&gt;data[arr-&gt;length]</span>
<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># var max/edx: (addr byte) = &amp;arr-&gt;data[arr-&gt;size]</span>
<span id="L23" class="LineNr"> 23 </span> 8b/copy 0/mod/indirect 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 2/r32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edx to edx</span>
<span id="L24" class="LineNr"> 24 </span> 01/add 3/mod/direct 2/rm32/edx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># add ecx to edx</span>
<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># var c/eax: byte = 0</span>
@ -133,7 +133,7 @@ if ('onhashchange' in window) {
<span id="L73" class="LineNr"> 73 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L74" class="LineNr"> 74 </span> <span class="subxComment"># var arr/ecx (array byte) = [01, 02, 03]</span>
<span id="L75" class="LineNr"> 75 </span> 68/push 0x00030201/imm32 <span class="subxComment"># bytes 01 02 03</span>
<span id="L76" class="LineNr"> 76 </span> 68/push 3/imm32/length
<span id="L76" class="LineNr"> 76 </span> 68/push 3/imm32/size
<span id="L77" class="LineNr"> 77 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span>
<span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># emit-hex-array(_test-output-buffered-file, arr)</span>
<span id="L79" class="LineNr"> 79 </span> <span class="subxS2Comment"># . . push args</span>

4
html/085next-word-or-string.subx.html
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@ -16,12 +16,12 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</style>

121
html/090register-names.subx.html
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@ -53,21 +53,112 @@ if ('onhashchange' in window) {
<body onload='JumpToLine();'>
<a href='https://github.com/akkartik/mu/blob/master/090register-names.subx'>https://github.com/akkartik/mu/blob/master/090register-names.subx</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span>== data
<span id="L2" class="LineNr"> 2 </span><span class="SpecialChar">Registers</span>: <span class="subxComment"># (table string int)</span>
<span id="L3" class="LineNr"> 3 </span> <span class="subxComment"># a table is a stream</span>
<span id="L4" class="LineNr"> 4 </span> 0x40/imm32/write
<span id="L5" class="LineNr"> 5 </span> 0/imm32/read
<span id="L6" class="LineNr"> 6 </span> 0x40/imm32/length
<span id="L7" class="LineNr"> 7 </span> <span class="subxComment"># data</span>
<span id="L8" class="LineNr"> 8 </span> <span class="Constant">&quot;eax&quot;</span>/imm32 0/imm32
<span id="L9" class="LineNr"> 9 </span> <span class="Constant">&quot;ecx&quot;</span>/imm32 1/imm32
<span id="L10" class="LineNr">10 </span> <span class="Constant">&quot;edx&quot;</span>/imm32 2/imm32
<span id="L11" class="LineNr">11 </span> <span class="Constant">&quot;ebx&quot;</span>/imm32 3/imm32
<span id="L12" class="LineNr">12 </span> <span class="Constant">&quot;esp&quot;</span>/imm32 4/imm32
<span id="L13" class="LineNr">13 </span> <span class="Constant">&quot;ebp&quot;</span>/imm32 5/imm32
<span id="L14" class="LineNr">14 </span> <span class="Constant">&quot;esi&quot;</span>/imm32 6/imm32
<span id="L15" class="LineNr">15 </span> <span class="Constant">&quot;edi&quot;</span>/imm32 7/imm32
<span id="L1" class="LineNr"> 1 </span>== data
<span id="L2" class="LineNr"> 2 </span><span class="SpecialChar">Registers</span>: <span class="subxComment"># (addr stream {(handle array byte), int})</span>
<span id="L3" class="LineNr"> 3 </span> <span class="subxComment"># a table is a stream</span>
<span id="L4" class="LineNr"> 4 </span> 0xc0/imm32/write
<span id="L5" class="LineNr"> 5 </span> 0/imm32/read
<span id="L6" class="LineNr"> 6 </span> 0xc0/imm32/length
<span id="L7" class="LineNr"> 7 </span> <span class="subxComment"># data</span>
<span id="L8" class="LineNr"> 8 </span> <span class="subxComment"># it is perfectly ok to use fake alloc-ids -- as long as you never try to reclaim them</span>
<span id="L9" class="LineNr"> 9 </span> 0x11/imm32/alloc-id $Register-eax/imm32 0/imm32
<span id="L10" class="LineNr"> 10 </span> 0x11/imm32/alloc-id $Register-ecx/imm32 1/imm32
<span id="L11" class="LineNr"> 11 </span> 0x11/imm32/alloc-id $Register-edx/imm32 2/imm32
<span id="L12" class="LineNr"> 12 </span> 0x11/imm32/alloc-id $Register-ebx/imm32 3/imm32
<span id="L13" class="LineNr"> 13 </span> 0x11/imm32/alloc-id $Register-esp/imm32 4/imm32
<span id="L14" class="LineNr"> 14 </span> 0x11/imm32/alloc-id $Register-ebp/imm32 5/imm32
<span id="L15" class="LineNr"> 15 </span> 0x11/imm32/alloc-id $Register-esi/imm32 6/imm32
<span id="L16" class="LineNr"> 16 </span> 0x11/imm32/alloc-id $Register-edi/imm32 7/imm32
<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># for 8-byte registers</span>
<span id="L18" class="LineNr"> 18 </span> <span class="subxComment"># we don't actually check if these are used when they should be; be careful</span>
<span id="L19" class="LineNr"> 19 </span> 0x11/imm32/alloc-id $Register-al/imm32 0/imm32
<span id="L20" class="LineNr"> 20 </span> 0x11/imm32/alloc-id $Register-cl/imm32 1/imm32
<span id="L21" class="LineNr"> 21 </span> 0x11/imm32/alloc-id $Register-dl/imm32 2/imm32
<span id="L22" class="LineNr"> 22 </span> 0x11/imm32/alloc-id $Register-bl/imm32 3/imm32
<span id="L23" class="LineNr"> 23 </span> 0x11/imm32/alloc-id $Register-ah/imm32 4/imm32
<span id="L24" class="LineNr"> 24 </span> 0x11/imm32/alloc-id $Register-ch/imm32 5/imm32
<span id="L25" class="LineNr"> 25 </span> 0x11/imm32/alloc-id $Register-dh/imm32 6/imm32
<span id="L26" class="LineNr"> 26 </span> 0x11/imm32/alloc-id $Register-bh/imm32 7/imm32
<span id="L27" class="LineNr"> 27 </span>
<span id="L28" class="LineNr"> 28 </span><span class="Constant">$Register-eax</span>:
<span id="L29" class="LineNr"> 29 </span> 0x11/imm32/alloc-id
<span id="L30" class="LineNr"> 30 </span> 3/imm32/size
<span id="L31" class="LineNr"> 31 </span> 0x65/e 0x61/a 0x78/x
<span id="L32" class="LineNr"> 32 </span>
<span id="L33" class="LineNr"> 33 </span><span class="Constant">$Register-ecx</span>:
<span id="L34" class="LineNr"> 34 </span> 0x11/imm32/alloc-id
<span id="L35" class="LineNr"> 35 </span> 3/imm32/size
<span id="L36" class="LineNr"> 36 </span> 0x65/e 0x63/c 0x78/x
<span id="L37" class="LineNr"> 37 </span>
<span id="L38" class="LineNr"> 38 </span><span class="Constant">$Register-edx</span>:
<span id="L39" class="LineNr"> 39 </span> 0x11/imm32/alloc-id
<span id="L40" class="LineNr"> 40 </span> 3/imm32/size
<span id="L41" class="LineNr"> 41 </span> 0x65/e 0x64/d 0x78/x
<span id="L42" class="LineNr"> 42 </span>
<span id="L43" class="LineNr"> 43 </span><span class="Constant">$Register-ebx</span>:
<span id="L44" class="LineNr"> 44 </span> 0x11/imm32/alloc-id
<span id="L45" class="LineNr"> 45 </span> 3/imm32/size
<span id="L46" class="LineNr"> 46 </span> 0x65/e 0x62/b 0x78/x
<span id="L47" class="LineNr"> 47 </span>
<span id="L48" class="LineNr"> 48 </span><span class="Constant">$Register-esp</span>:
<span id="L49" class="LineNr"> 49 </span> 0x11/imm32/alloc-id
<span id="L50" class="LineNr"> 50 </span> 3/imm32/size
<span id="L51" class="LineNr"> 51 </span> 0x65/e 0x73/s 0x70/p
<span id="L52" class="LineNr"> 52 </span>
<span id="L53" class="LineNr"> 53 </span><span class="Constant">$Register-ebp</span>:
<span id="L54" class="LineNr"> 54 </span> 0x11/imm32/alloc-id
<span id="L55" class="LineNr"> 55 </span> 3/imm32/size
<span id="L56" class="LineNr"> 56 </span> 0x65/e 0x62/b 0x70/p
<span id="L57" class="LineNr"> 57 </span>
<span id="L58" class="LineNr"> 58 </span><span class="Constant">$Register-esi</span>:
<span id="L59" class="LineNr"> 59 </span> 0x11/imm32/alloc-id
<span id="L60" class="LineNr"> 60 </span> 3/imm32/size
<span id="L61" class="LineNr"> 61 </span> 0x65/e 0x73/s 0x69/i
<span id="L62" class="LineNr"> 62 </span>
<span id="L63" class="LineNr"> 63 </span><span class="Constant">$Register-edi</span>:
<span id="L64" class="LineNr"> 64 </span> 0x11/imm32/alloc-id
<span id="L65" class="LineNr"> 65 </span> 3/imm32/size
<span id="L66" class="LineNr"> 66 </span> 0x65/e 0x64/d 0x69/i
<span id="L67" class="LineNr"> 67 </span>
<span id="L68" class="LineNr"> 68 </span><span class="Constant">$Register-al</span>:
<span id="L69" class="LineNr"> 69 </span> 0x11/imm32/alloc-id
<span id="L70" class="LineNr"> 70 </span> 2/imm32/size
<span id="L71" class="LineNr"> 71 </span> 0x61/a 0x6c/l
<span id="L72" class="LineNr"> 72 </span>
<span id="L73" class="LineNr"> 73 </span><span class="Constant">$Register-cl</span>:
<span id="L74" class="LineNr"> 74 </span> 0x11/imm32/alloc-id
<span id="L75" class="LineNr"> 75 </span> 2/imm32/size
<span id="L76" class="LineNr"> 76 </span> 0x63/c 0x6c/l
<span id="L77" class="LineNr"> 77 </span>
<span id="L78" class="LineNr"> 78 </span><span class="Constant">$Register-dl</span>:
<span id="L79" class="LineNr"> 79 </span> 0x11/imm32/alloc-id
<span id="L80" class="LineNr"> 80 </span> 2/imm32/size
<span id="L81" class="LineNr"> 81 </span> 0x64/d 0x6c/l
<span id="L82" class="LineNr"> 82 </span>
<span id="L83" class="LineNr"> 83 </span><span class="Constant">$Register-bl</span>:
<span id="L84" class="LineNr"> 84 </span> 0x11/imm32/alloc-id
<span id="L85" class="LineNr"> 85 </span> 2/imm32/size
<span id="L86" class="LineNr"> 86 </span> 0x62/b 0x6c/l
<span id="L87" class="LineNr"> 87 </span>
<span id="L88" class="LineNr"> 88 </span><span class="Constant">$Register-ah</span>:
<span id="L89" class="LineNr"> 89 </span> 0x11/imm32/alloc-id
<span id="L90" class="LineNr"> 90 </span> 2/imm32/size
<span id="L91" class="LineNr"> 91 </span> 0x61/a 0x68/h
<span id="L92" class="LineNr"> 92 </span>
<span id="L93" class="LineNr"> 93 </span><span class="Constant">$Register-ch</span>:
<span id="L94" class="LineNr"> 94 </span> 0x11/imm32/alloc-id
<span id="L95" class="LineNr"> 95 </span> 2/imm32/size
<span id="L96" class="LineNr"> 96 </span> 0x63/c 0x68/h
<span id="L97" class="LineNr"> 97 </span>
<span id="L98" class="LineNr"> 98 </span><span class="Constant">$Register-dh</span>:
<span id="L99" class="LineNr"> 99 </span> 0x11/imm32/alloc-id
<span id="L100" class="LineNr">100 </span> 2/imm32/size
<span id="L101" class="LineNr">101 </span> 0x64/d 0x68/h
<span id="L102" class="LineNr">102 </span>
<span id="L103" class="LineNr">103 </span><span class="Constant">$Register-bh</span>:
<span id="L104" class="LineNr">104 </span> 0x11/imm32/alloc-id
<span id="L105" class="LineNr">105 </span> 2/imm32/size
<span id="L106" class="LineNr">106 </span> 0x62/b 0x68/h
</pre>
</body>
</html>

8
html/091write-int.subx.html
View File

@ -16,13 +16,13 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
-->
</style>
@ -77,7 +77,7 @@ if ('onhashchange' in window) {
<span id="L17" class="LineNr"> 17 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 7/r32/edi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to edi</span>
<span id="L18" class="LineNr"> 18 </span> <span class="subxComment"># ecx = out-&gt;write</span>
<span id="L19" class="LineNr"> 19 </span> 8b/copy 0/mod/indirect 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *edi to ecx</span>
<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># if (out-&gt;write &gt;= out-&gt;length) abort</span>
<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># if (out-&gt;write &gt;= out-&gt;size) abort</span>
<span id="L21" class="LineNr"> 21 </span> 3b/compare 1/mod/*+disp8 7/rm32/edi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare ecx with *(edi+8)</span>
<span id="L22" class="LineNr"> 22 </span> 7d/jump-if-&gt;= $write-int:abort/disp8
<span id="L23" class="LineNr"> 23 </span><span class="Constant">$write-int:to-stream</span>:

836
html/092stack.subx.html
View File

@ -16,13 +16,13 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.LineNr { }
.SpecialChar { color: #d70000; }
.subxS1Comment { color: #0000af; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.SpecialChar { color: #d70000; }
.Normal { color: #000000; background-color: #c6c6c6; padding-bottom: 1px; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
-->
</style>
@ -60,417 +60,423 @@ if ('onhashchange' in window) {
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># A stack looks like this:</span>
<span id="L2" class="LineNr"> 2 </span><span class="subxComment"># top: int</span>
<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># data: (array byte) # prefixed by length as usual</span>
<span id="L4" class="LineNr"> 4 </span>
<span id="L5" class="LineNr"> 5 </span>== code
<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># instruction effective address register displacement immediate</span>
<span id="L7" class="LineNr"> 7 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span>
<span id="L8" class="LineNr"> 8 </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="L9" class="LineNr"> 9 </span>
<span id="L10" class="LineNr"> 10 </span><span class="subxFunction">clear-stack</span>: <span class="subxComment"># s: (addr stack)</span>
<span id="L11" class="LineNr"> 11 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L12" class="LineNr"> 12 </span> 55/push-ebp
<span id="L13" class="LineNr"> 13 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L14" class="LineNr"> 14 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L15" class="LineNr"> 15 </span> 50/push-eax
<span id="L16" class="LineNr"> 16 </span> 51/push-ecx
<span id="L17" class="LineNr"> 17 </span> <span class="subxComment"># eax = s</span>
<span id="L18" class="LineNr"> 18 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span>
<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># var max/ecx: (addr byte) = &amp;s-&gt;data[s-&gt;length]</span>
<span id="L20" class="LineNr"> 20 </span> 8b/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(eax+4) to eax</span>
<span id="L21" class="LineNr"> 21 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+8 to ecx</span>
<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># s-&gt;top = 0</span>
<span id="L23" class="LineNr"> 23 </span> c7 0/subop/copy 0/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *eax</span>
<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># var curr/eax: (addr byte) = s-&gt;data</span>
<span id="L25" class="LineNr"> 25 </span> 81 0/subop/add 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to eax</span>
<span id="L26" class="LineNr"> 26 </span><span class="Constant">$clear-stack:loop</span>:
<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># if (curr &gt;= max) break</span>
<span id="L28" class="LineNr"> 28 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax with ecx</span>
<span id="L29" class="LineNr"> 29 </span> 73/jump-if-addr&gt;= $clear-stack:end/disp8
<span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># *curr = 0</span>
<span id="L31" class="LineNr"> 31 </span> c6 0/subop/copy 0/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm8 <span class="subxComment"># copy byte to *eax</span>
<span id="L32" class="LineNr"> 32 </span> <span class="subxComment"># ++curr</span>
<span id="L33" class="LineNr"> 33 </span> 40/increment-eax
<span id="L34" class="LineNr"> 34 </span> eb/jump $clear-stack:<span class="Constant">loop</span>/disp8
<span id="L35" class="LineNr"> 35 </span><span class="Constant">$clear-stack:end</span>:
<span id="L36" class="LineNr"> 36 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L37" class="LineNr"> 37 </span> 59/pop-to-ecx
<span id="L38" class="LineNr"> 38 </span> 58/pop-to-eax
<span id="L39" class="LineNr"> 39 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L40" class="LineNr"> 40 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L41" class="LineNr"> 41 </span> 5d/pop-to-ebp
<span id="L42" class="LineNr"> 42 </span> c3/return
<span id="L43" class="LineNr"> 43 </span>
<span id="L44" class="LineNr"> 44 </span><span class="subxTest">test-clear-stack</span>:
<span id="L45" class="LineNr"> 45 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L46" class="LineNr"> 46 </span> 55/push-ebp
<span id="L47" class="LineNr"> 47 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># var stack/ecx = stack of size 8 with random data in it</span>
<span id="L49" class="LineNr"> 49 </span> 68/push 34/imm32
<span id="L50" class="LineNr"> 50 </span> 68/push 35/imm32
<span id="L51" class="LineNr"> 51 </span> 68/push 8/imm32/length
<span id="L52" class="LineNr"> 52 </span> 68/push 14/imm32/top
<span id="L53" class="LineNr"> 53 </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="L54" class="LineNr"> 54 </span> <span class="subxComment"># clear(stack)</span>
<span id="L55" class="LineNr"> 55 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L56" class="LineNr"> 56 </span> 51/push-ecx
<span id="L57" class="LineNr"> 57 </span> <span class="subxS2Comment"># . . call</span>
<span id="L58" class="LineNr"> 58 </span> e8/call <a href='092stack.subx.html#L10'>clear-stack</a>/disp32
<span id="L59" class="LineNr"> 59 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L60" class="LineNr"> 60 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L61" class="LineNr"> 61 </span> <span class="subxComment"># top should be 0</span>
<span id="L62" class="LineNr"> 62 </span> 58/pop-to-eax
<span id="L63" class="LineNr"> 63 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 0, msg)</span>
<span id="L64" class="LineNr"> 64 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L65" class="LineNr"> 65 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L44'>test-clear-stack</a>: top&quot;</span>/imm32
<span id="L66" class="LineNr"> 66 </span> 68/push 0/imm32
<span id="L67" class="LineNr"> 67 </span> 50/push-eax
<span id="L68" class="LineNr"> 68 </span> <span class="subxS2Comment"># . . call</span>
<span id="L69" class="LineNr"> 69 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L70" class="LineNr"> 70 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L71" class="LineNr"> 71 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L72" class="LineNr"> 72 </span> <span class="subxComment"># length should remain 8</span>
<span id="L73" class="LineNr"> 73 </span> 58/pop-to-eax
<span id="L74" class="LineNr"> 74 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 8, msg)</span>
<span id="L75" class="LineNr"> 75 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L76" class="LineNr"> 76 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L44'>test-clear-stack</a>: length&quot;</span>/imm32
<span id="L77" class="LineNr"> 77 </span> 68/push 8/imm32
<span id="L78" class="LineNr"> 78 </span> 50/push-eax
<span id="L79" class="LineNr"> 79 </span> <span class="subxS2Comment"># . . call</span>
<span id="L80" class="LineNr"> 80 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L81" class="LineNr"> 81 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L82" class="LineNr"> 82 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L83" class="LineNr"> 83 </span> <span class="subxComment"># first word is 0</span>
<span id="L84" class="LineNr"> 84 </span> 58/pop-to-eax
<span id="L85" class="LineNr"> 85 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 0, msg)</span>
<span id="L86" class="LineNr"> 86 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L87" class="LineNr"> 87 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L44'>test-clear-stack</a>: data[0..3]&quot;</span>/imm32
<span id="L88" class="LineNr"> 88 </span> 68/push 0/imm32
<span id="L89" class="LineNr"> 89 </span> 50/push-eax
<span id="L90" class="LineNr"> 90 </span> <span class="subxS2Comment"># . . call</span>
<span id="L91" class="LineNr"> 91 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L92" class="LineNr"> 92 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L93" class="LineNr"> 93 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L94" class="LineNr"> 94 </span> <span class="subxComment"># second word is 0</span>
<span id="L95" class="LineNr"> 95 </span> 58/pop-to-eax
<span id="L96" class="LineNr"> 96 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 0, msg)</span>
<span id="L97" class="LineNr"> 97 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L98" class="LineNr"> 98 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L44'>test-clear-stack</a>: data[4..7]&quot;</span>/imm32
<span id="L99" class="LineNr"> 99 </span> 68/push 0/imm32
<span id="L100" class="LineNr">100 </span> 50/push-eax
<span id="L101" class="LineNr">101 </span> <span class="subxS2Comment"># . . call</span>
<span id="L102" class="LineNr">102 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L104" class="LineNr">104 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L105" class="LineNr">105 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L106" class="LineNr">106 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L107" class="LineNr">107 </span> 5d/pop-to-ebp
<span id="L108" class="LineNr">108 </span> c3/return
<span id="L109" class="LineNr">109 </span>
<span id="L110" class="LineNr">110 </span><span class="subxFunction">push</span>: <span class="subxComment"># s: (addr stack), n: int</span>
<span id="L111" class="LineNr">111 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L112" class="LineNr">112 </span> 55/push-ebp
<span id="L113" class="LineNr">113 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L114" class="LineNr">114 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L115" class="LineNr">115 </span> 50/push-eax
<span id="L116" class="LineNr">116 </span> 51/push-ecx
<span id="L117" class="LineNr">117 </span> 56/push-esi
<span id="L118" class="LineNr">118 </span> <span class="subxComment"># esi = s</span>
<span id="L119" class="LineNr">119 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span>
<span id="L120" class="LineNr">120 </span> <span class="subxComment"># ecx = s-&gt;top</span>
<span id="L121" class="LineNr">121 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ecx</span>
<span id="L122" class="LineNr">122 </span> <span class="subxComment"># if (s-&gt;top &gt;= s-&gt;length) abort</span>
<span id="L123" class="LineNr">123 </span> 39/compare 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare *(esi+4) and ecx</span>
<span id="L124" class="LineNr">124 </span> 7e/jump-if-&lt;= $push:abort/disp8
<span id="L125" class="LineNr">125 </span> <span class="subxComment"># s-&gt;data[s-&gt;top] = n</span>
<span id="L126" class="LineNr">126 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to eax</span>
<span id="L127" class="LineNr">127 </span> 89/copy 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax to *(esi+ecx+8)</span>
<span id="L128" class="LineNr">128 </span> <span class="subxComment"># s-&gt;top += 4</span>
<span id="L129" class="LineNr">129 </span> 81 0/subop/add 0/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># subtract from *esi</span>
<span id="L130" class="LineNr">130 </span><span class="Constant">$push:end</span>:
<span id="L131" class="LineNr">131 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L132" class="LineNr">132 </span> 5e/pop-to-esi
<span id="L133" class="LineNr">133 </span> 59/pop-to-ecx
<span id="L134" class="LineNr">134 </span> 58/pop-to-eax
<span id="L135" class="LineNr">135 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L136" class="LineNr">136 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L137" class="LineNr">137 </span> 5d/pop-to-ebp
<span id="L138" class="LineNr">138 </span> c3/return
<span id="L139" class="LineNr">139 </span>
<span id="L140" class="LineNr">140 </span><span class="Constant">$push:abort</span>:
<span id="L141" class="LineNr">141 </span> <span class="subxComment"># print(stderr, &quot;error: push: no space left&quot;)</span>
<span id="L142" class="LineNr">142 </span> <span class="subxS1Comment"># . write-buffered(Stderr, &quot;error: push: no space left&quot;)</span>
<span id="L143" class="LineNr">143 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L144" class="LineNr">144 </span> 68/push <span class="Constant">&quot;error: <a href='092stack.subx.html#L110'>push</a>: no space left&quot;</span>/imm32
<span id="L145" class="LineNr">145 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32
<span id="L146" class="LineNr">146 </span> <span class="subxS2Comment"># . . call</span>
<span id="L147" class="LineNr">147 </span> e8/call <a href='065write-buffered.subx.html#L8'>write-buffered</a>/disp32
<span id="L148" class="LineNr">148 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L149" class="LineNr">149 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L150" class="LineNr">150 </span> <span class="subxS1Comment"># . flush(Stderr)</span>
<span id="L151" class="LineNr">151 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L152" class="LineNr">152 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32
<span id="L153" class="LineNr">153 </span> <span class="subxS2Comment"># . . call</span>
<span id="L154" class="LineNr">154 </span> e8/call <a href='064write-byte.subx.html#L81'>flush</a>/disp32
<span id="L155" class="LineNr">155 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L156" class="LineNr">156 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L157" class="LineNr">157 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L158" class="LineNr">158 </span> bb/copy-to-ebx 1/imm32
<span id="L159" class="LineNr">159 </span> b8/copy-to-eax 1/imm32/exit
<span id="L160" class="LineNr">160 </span> cd/syscall 0x80/imm8
<span id="L161" class="LineNr">161 </span> <span class="subxComment"># never gets here</span>
<span id="L162" class="LineNr">162 </span>
<span id="L163" class="LineNr">163 </span><span class="subxTest">test-push</span>:
<span id="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L165" class="LineNr">165 </span> 55/push-ebp
<span id="L166" class="LineNr">166 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L167" class="LineNr">167 </span> <span class="subxComment"># var stack/ecx = empty stack of size 8</span>
<span id="L168" class="LineNr">168 </span> 68/push 0/imm32
<span id="L169" class="LineNr">169 </span> 68/push 0/imm32
<span id="L170" class="LineNr">170 </span> 68/push 8/imm32/length
<span id="L171" class="LineNr">171 </span> 68/push 0/imm32/top
<span id="L172" class="LineNr">172 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span>
<span id="L173" class="LineNr">173 </span> <span class="subxComment"># push(stack, 0x42)</span>
<span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L175" class="LineNr">175 </span> 68/push 0x42/imm32
<span id="L176" class="LineNr">176 </span> 51/push-ecx
<span id="L177" class="LineNr">177 </span> <span class="subxS2Comment"># . . call</span>
<span id="L178" class="LineNr">178 </span> e8/call <a href='092stack.subx.html#L110'>push</a>/disp32
<span id="L179" class="LineNr">179 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L180" class="LineNr">180 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L181" class="LineNr">181 </span> <span class="subxComment"># check top</span>
<span id="L182" class="LineNr">182 </span> 58/pop-to-eax
<span id="L183" class="LineNr">183 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 4, msg)</span>
<span id="L184" class="LineNr">184 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L185" class="LineNr">185 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L163'>test-push</a>: top&quot;</span>/imm32
<span id="L186" class="LineNr">186 </span> 68/push 4/imm32
<span id="L187" class="LineNr">187 </span> 50/push-eax
<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . call</span>
<span id="L189" class="LineNr">189 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L190" class="LineNr">190 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L191" class="LineNr">191 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L192" class="LineNr">192 </span> <span class="subxComment"># check length</span>
<span id="L193" class="LineNr">193 </span> 58/pop-to-eax
<span id="L194" class="LineNr">194 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 8, msg)</span>
<span id="L195" class="LineNr">195 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L196" class="LineNr">196 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L163'>test-push</a>: length&quot;</span>/imm32
<span id="L197" class="LineNr">197 </span> 68/push 8/imm32
<span id="L198" class="LineNr">198 </span> 50/push-eax
<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . call</span>
<span id="L200" class="LineNr">200 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L201" class="LineNr">201 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L202" class="LineNr">202 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L203" class="LineNr">203 </span> <span class="subxComment"># first word is 0x42</span>
<span id="L204" class="LineNr">204 </span> 58/pop-to-eax
<span id="L205" class="LineNr">205 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 0x42, msg)</span>
<span id="L206" class="LineNr">206 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L207" class="LineNr">207 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L163'>test-push</a>: data[0..3]&quot;</span>/imm32
<span id="L208" class="LineNr">208 </span> 68/push 0x42/imm32
<span id="L209" class="LineNr">209 </span> 50/push-eax
<span id="L210" class="LineNr">210 </span> <span class="subxS2Comment"># . . call</span>
<span id="L211" class="LineNr">211 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L212" class="LineNr">212 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L213" class="LineNr">213 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L214" class="LineNr">214 </span> <span class="subxComment"># second word is 0</span>
<span id="L215" class="LineNr">215 </span> 58/pop-to-eax
<span id="L216" class="LineNr">216 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 0, msg)</span>
<span id="L217" class="LineNr">217 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L218" class="LineNr">218 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L163'>test-push</a>: data[4..7]&quot;</span>/imm32
<span id="L219" class="LineNr">219 </span> 68/push 0/imm32
<span id="L220" class="LineNr">220 </span> 50/push-eax
<span id="L221" class="LineNr">221 </span> <span class="subxS2Comment"># . . call</span>
<span id="L222" class="LineNr">222 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L223" class="LineNr">223 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L224" class="LineNr">224 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L225" class="LineNr">225 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L226" class="LineNr">226 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L227" class="LineNr">227 </span> 5d/pop-to-ebp
<span id="L228" class="LineNr">228 </span> c3/return
<span id="L229" class="LineNr">229 </span>
<span id="L230" class="LineNr">230 </span><span class="subxFunction">pop</span>: <span class="subxComment"># s: (addr stack) -&gt; n/eax: int</span>
<span id="L231" class="LineNr">231 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L232" class="LineNr">232 </span> 55/push-ebp
<span id="L233" class="LineNr">233 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L234" class="LineNr">234 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L235" class="LineNr">235 </span> 51/push-ecx
<span id="L236" class="LineNr">236 </span> 56/push-esi
<span id="L237" class="LineNr">237 </span> <span class="subxComment"># esi = s</span>
<span id="L238" class="LineNr">238 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span>
<span id="L239" class="LineNr">239 </span> <span class="subxComment"># if (s-&gt;top &lt;= 0) abort</span>
<span id="L240" class="LineNr">240 </span> 81 7/subop/compare 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare *esi</span>
<span id="L241" class="LineNr">241 </span> 7e/jump-if-&lt;= $pop:abort/disp8
<span id="L242" class="LineNr">242 </span> <span class="subxComment"># s-&gt;top -= 4</span>
<span id="L243" class="LineNr">243 </span> 81 5/subop/subtract 0/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># subtract from *esi</span>
<span id="L244" class="LineNr">244 </span> <span class="subxComment"># eax = s-&gt;data[s-&gt;top]</span>
<span id="L245" class="LineNr">245 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ecx</span>
<span id="L246" class="LineNr">246 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+ecx+8) to eax</span>
<span id="L247" class="LineNr">247 </span> <span class="subxComment"># s-&gt;data[s-&gt;top] = 0</span>
<span id="L248" class="LineNr">248 </span> c7 0/subop/copy 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 8/disp8 0/imm32 <span class="subxComment"># copy to *(esi+ecx+8)</span>
<span id="L249" class="LineNr">249 </span><span class="Constant">$pop:end</span>:
<span id="L250" class="LineNr">250 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L251" class="LineNr">251 </span> 5e/pop-to-esi
<span id="L252" class="LineNr">252 </span> 59/pop-to-ecx
<span id="L253" class="LineNr">253 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L254" class="LineNr">254 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L255" class="LineNr">255 </span> 5d/pop-to-ebp
<span id="L256" class="LineNr">256 </span> c3/return
<span id="L257" class="LineNr">257 </span>
<span id="L258" class="LineNr">258 </span><span class="Constant">$pop:abort</span>:
<span id="L259" class="LineNr">259 </span> <span class="subxComment"># print(stderr, &quot;error: pop: nothing left in stack&quot;)</span>
<span id="L260" class="LineNr">260 </span> <span class="subxS1Comment"># . write-buffered(Stderr, &quot;error: pop: nothing left in stack&quot;)</span>
<span id="L261" class="LineNr">261 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L262" class="LineNr">262 </span> 68/push <span class="Constant">&quot;error: <a href='092stack.subx.html#L230'>pop</a>: nothing left in stack&quot;</span>/imm32
<span id="L263" class="LineNr">263 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32
<span id="L264" class="LineNr">264 </span> <span class="subxS2Comment"># . . call</span>
<span id="L265" class="LineNr">265 </span> e8/call <a href='065write-buffered.subx.html#L8'>write-buffered</a>/disp32
<span id="L266" class="LineNr">266 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L267" class="LineNr">267 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L268" class="LineNr">268 </span> <span class="subxS1Comment"># . flush(Stderr)</span>
<span id="L269" class="LineNr">269 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L270" class="LineNr">270 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32
<span id="L271" class="LineNr">271 </span> <span class="subxS2Comment"># . . call</span>
<span id="L272" class="LineNr">272 </span> e8/call <a href='064write-byte.subx.html#L81'>flush</a>/disp32
<span id="L273" class="LineNr">273 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L274" class="LineNr">274 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L275" class="LineNr">275 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L276" class="LineNr">276 </span> bb/copy-to-ebx 1/imm32
<span id="L277" class="LineNr">277 </span> b8/copy-to-eax 1/imm32/exit
<span id="L278" class="LineNr">278 </span> cd/syscall 0x80/imm8
<span id="L279" class="LineNr">279 </span> <span class="subxComment"># never gets here</span>
<span id="L280" class="LineNr">280 </span>
<span id="L281" class="LineNr">281 </span><span class="subxTest">test-pop</span>:
<span id="L282" class="LineNr">282 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L283" class="LineNr">283 </span> 55/push-ebp
<span id="L284" class="LineNr">284 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L285" class="LineNr">285 </span> <span class="subxComment"># var stack/ecx = stack of size 8 containing just 0x42</span>
<span id="L286" class="LineNr">286 </span> 68/push 0/imm32
<span id="L287" class="LineNr">287 </span> 68/push 0x42/imm32
<span id="L288" class="LineNr">288 </span> 68/push 8/imm32/length
<span id="L289" class="LineNr">289 </span> 68/push 4/imm32/top
<span id="L290" class="LineNr">290 </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="L291" class="LineNr">291 </span> <span class="subxComment"># eax = pop(stack)</span>
<span id="L292" class="LineNr">292 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L293" class="LineNr">293 </span> 51/push-ecx
<span id="L294" class="LineNr">294 </span> <span class="subxS2Comment"># . . call</span>
<span id="L295" class="LineNr">295 </span> e8/call <a href='092stack.subx.html#L230'>pop</a>/disp32
<span id="L296" class="LineNr">296 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L297" class="LineNr">297 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L298" class="LineNr">298 </span> <span class="subxComment"># check-ints-equal(eax, 0x42, msg)</span>
<span id="L299" class="LineNr">299 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L300" class="LineNr">300 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L281'>test-pop</a>: result&quot;</span>/imm32
<span id="L301" class="LineNr">301 </span> 68/push 0x42/imm32
<span id="L302" class="LineNr">302 </span> 50/push-eax
<span id="L303" class="LineNr">303 </span> <span class="subxS2Comment"># . . call</span>
<span id="L304" class="LineNr">304 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L305" class="LineNr">305 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L306" class="LineNr">306 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L307" class="LineNr">307 </span> <span class="subxComment"># check top</span>
<span id="L308" class="LineNr">308 </span> 58/pop-to-eax
<span id="L309" class="LineNr">309 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 0, msg)</span>
<span id="L310" class="LineNr">310 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L311" class="LineNr">311 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L281'>test-pop</a>: top&quot;</span>/imm32
<span id="L312" class="LineNr">312 </span> 68/push 0/imm32
<span id="L313" class="LineNr">313 </span> 50/push-eax
<span id="L314" class="LineNr">314 </span> <span class="subxS2Comment"># . . call</span>
<span id="L315" class="LineNr">315 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L316" class="LineNr">316 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L317" class="LineNr">317 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L318" class="LineNr">318 </span> <span class="subxComment"># check length</span>
<span id="L319" class="LineNr">319 </span> 58/pop-to-eax
<span id="L320" class="LineNr">320 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 8, msg)</span>
<span id="L321" class="LineNr">321 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L322" class="LineNr">322 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L281'>test-pop</a>: length&quot;</span>/imm32
<span id="L323" class="LineNr">323 </span> 68/push 8/imm32
<span id="L324" class="LineNr">324 </span> 50/push-eax
<span id="L325" class="LineNr">325 </span> <span class="subxS2Comment"># . . call</span>
<span id="L326" class="LineNr">326 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L327" class="LineNr">327 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L328" class="LineNr">328 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L329" class="LineNr">329 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L330" class="LineNr">330 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L331" class="LineNr">331 </span> 5d/pop-to-ebp
<span id="L332" class="LineNr">332 </span> c3/return
<span id="L333" class="LineNr">333 </span>
<span id="L334" class="LineNr">334 </span><span class="subxFunction">top</span>: <span class="subxComment"># s: (addr stack) -&gt; n/eax: int</span>
<span id="L335" class="LineNr">335 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L336" class="LineNr">336 </span> 55/push-ebp
<span id="L337" class="LineNr">337 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L338" class="LineNr">338 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L339" class="LineNr">339 </span> 51/push-ecx
<span id="L340" class="LineNr">340 </span> 56/push-esi
<span id="L341" class="LineNr">341 </span> <span class="subxComment"># esi = s</span>
<span id="L342" class="LineNr">342 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span>
<span id="L343" class="LineNr">343 </span> <span class="subxComment"># if (s-&gt;top &lt;= 0) abort</span>
<span id="L344" class="LineNr">344 </span> 81 7/subop/compare 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare *esi</span>
<span id="L345" class="LineNr">345 </span> 7e/jump-if-&lt;= $top:abort/disp8
<span id="L346" class="LineNr">346 </span> <span class="subxComment"># n = s-&gt;data[s-&gt;top - 4]</span>
<span id="L347" class="LineNr">347 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ecx</span>
<span id="L348" class="LineNr">348 </span> 81 5/subop/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># subtract from ecx</span>
<span id="L349" class="LineNr">349 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+ecx+8) to eax</span>
<span id="L350" class="LineNr">350 </span><span class="Constant">$top:end</span>:
<span id="L351" class="LineNr">351 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L352" class="LineNr">352 </span> 5e/pop-to-esi
<span id="L353" class="LineNr">353 </span> 59/pop-to-ecx
<span id="L354" class="LineNr">354 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L355" class="LineNr">355 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L356" class="LineNr">356 </span> 5d/pop-to-ebp
<span id="L357" class="LineNr">357 </span> c3/return
<span id="L358" class="LineNr">358 </span>
<span id="L359" class="LineNr">359 </span><span class="Constant">$top:abort</span>:
<span id="L360" class="LineNr">360 </span> <span class="subxComment"># print(stderr, &quot;error: top: nothing left in stack&quot;)</span>
<span id="L361" class="LineNr">361 </span> <span class="subxS1Comment"># . write-buffered(Stderr, &quot;error: top: nothing left in stack&quot;)</span>
<span id="L362" class="LineNr">362 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L363" class="LineNr">363 </span> 68/push <span class="Constant">&quot;error: <a href='092stack.subx.html#L334'>top</a>: nothing left in stack&quot;</span>/imm32
<span id="L364" class="LineNr">364 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32
<span id="L365" class="LineNr">365 </span> <span class="subxS2Comment"># . . call</span>
<span id="L366" class="LineNr">366 </span> e8/call <a href='065write-buffered.subx.html#L8'>write-buffered</a>/disp32
<span id="L367" class="LineNr">367 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L368" class="LineNr">368 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L369" class="LineNr">369 </span> <span class="subxS1Comment"># . flush(Stderr)</span>
<span id="L370" class="LineNr">370 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L371" class="LineNr">371 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32
<span id="L372" class="LineNr">372 </span> <span class="subxS2Comment"># . . call</span>
<span id="L373" class="LineNr">373 </span> e8/call <a href='064write-byte.subx.html#L81'>flush</a>/disp32
<span id="L374" class="LineNr">374 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L375" class="LineNr">375 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L376" class="LineNr">376 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L377" class="LineNr">377 </span> bb/copy-to-ebx 1/imm32
<span id="L378" class="LineNr">378 </span> b8/copy-to-eax 1/imm32/exit
<span id="L379" class="LineNr">379 </span> cd/syscall 0x80/imm8
<span id="L380" class="LineNr">380 </span> <span class="subxComment"># never gets here</span>
<span id="L381" class="LineNr">381 </span>
<span id="L382" class="LineNr">382 </span><span class="subxTest">test-top</span>:
<span id="L383" class="LineNr">383 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L384" class="LineNr">384 </span> 55/push-ebp
<span id="L385" class="LineNr">385 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L386" class="LineNr">386 </span> <span class="subxComment"># var stack/ecx = stack of size 8 containing just 0x42</span>
<span id="L387" class="LineNr">387 </span> 68/push 0/imm32
<span id="L388" class="LineNr">388 </span> 68/push 0x42/imm32
<span id="L389" class="LineNr">389 </span> 68/push 8/imm32/length
<span id="L390" class="LineNr">390 </span> 68/push 4/imm32/top
<span id="L391" class="LineNr">391 </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="L392" class="LineNr">392 </span> <span class="subxComment"># eax = top(stack)</span>
<span id="L393" class="LineNr">393 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L394" class="LineNr">394 </span> 51/push-ecx
<span id="L395" class="LineNr">395 </span> <span class="subxS2Comment"># . . call</span>
<span id="L396" class="LineNr">396 </span> e8/call <a href='092stack.subx.html#L334'>top</a>/disp32
<span id="L397" class="LineNr">397 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L398" class="LineNr">398 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L399" class="LineNr">399 </span> <span class="subxComment"># check-ints-equal(eax, 42, msg&quot;)</span>
<span id="L400" class="LineNr">400 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L401" class="LineNr">401 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L382'>test-top</a>: result&quot;</span>/imm32
<span id="L402" class="LineNr">402 </span> 68/push 0x42/imm32
<span id="L403" class="LineNr">403 </span> 50/push-eax
<span id="L404" class="LineNr">404 </span> <span class="subxS2Comment"># . . call</span>
<span id="L405" class="LineNr">405 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L406" class="LineNr">406 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L407" class="LineNr">407 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L408" class="LineNr">408 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L409" class="LineNr">409 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L410" class="LineNr">410 </span> 5d/pop-to-ebp
<span id="L411" class="LineNr">411 </span> c3/return
<span id="L412" class="LineNr">412 </span>
<span id="L413" class="LineNr">413 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># data: (array byte) # prefixed by size as usual</span>
<span id="L4" class="LineNr"> 4 </span><span class="subxComment">#</span>
<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># TODO: is it confusing that the push opcodes grow memory downward, but the</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># push function grows stacks upward?</span>
<span id="L7" class="LineNr"> 7 </span>
<span id="L8" class="LineNr"> 8 </span>== code
<span id="L9" class="LineNr"> 9 </span><span class="subxComment"># instruction effective address register displacement immediate</span>
<span id="L10" class="LineNr"> 10 </span><span class="subxS1Comment"># . op subop mod rm32 base index scale r32</span>
<span id="L11" class="LineNr"> 11 </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="L12" class="LineNr"> 12 </span>
<span id="L13" class="LineNr"> 13 </span><span class="subxFunction">clear-stack</span>: <span class="subxComment"># s: (addr stack)</span>
<span id="L14" class="LineNr"> 14 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L15" class="LineNr"> 15 </span> 55/push-ebp
<span id="L16" class="LineNr"> 16 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L17" class="LineNr"> 17 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L18" class="LineNr"> 18 </span> 50/push-eax
<span id="L19" class="LineNr"> 19 </span> 51/push-ecx
<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># eax = s</span>
<span id="L21" class="LineNr"> 21 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to eax</span>
<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># var max/ecx: (addr byte) = &amp;s-&gt;data[s-&gt;size]</span>
<span id="L23" class="LineNr"> 23 </span> 8b/copy 1/mod/*+disp8 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(eax+4) to eax</span>
<span id="L24" class="LineNr"> 24 </span> 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/eax 1/index/ecx <span class="Normal"> . </span> 1/r32/ecx 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax+ecx+8 to ecx</span>
<span id="L25" class="LineNr"> 25 </span> <span class="subxComment"># s-&gt;top = 0</span>
<span id="L26" class="LineNr"> 26 </span> c7 0/subop/copy 0/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># copy to *eax</span>
<span id="L27" class="LineNr"> 27 </span> <span class="subxComment"># var curr/eax: (addr byte) = s-&gt;data</span>
<span id="L28" class="LineNr"> 28 </span> 81 0/subop/add 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to eax</span>
<span id="L29" class="LineNr"> 29 </span><span class="Constant">$clear-stack:loop</span>:
<span id="L30" class="LineNr"> 30 </span> <span class="subxComment"># if (curr &gt;= max) break</span>
<span id="L31" class="LineNr"> 31 </span> 39/compare 3/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># compare eax with ecx</span>
<span id="L32" class="LineNr"> 32 </span> 73/jump-if-addr&gt;= $clear-stack:end/disp8
<span id="L33" class="LineNr"> 33 </span> <span class="subxComment"># *curr = 0</span>
<span id="L34" class="LineNr"> 34 </span> c6 0/subop/copy 0/mod/direct 0/rm32/eax <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm8 <span class="subxComment"># copy byte to *eax</span>
<span id="L35" class="LineNr"> 35 </span> <span class="subxComment"># ++curr</span>
<span id="L36" class="LineNr"> 36 </span> 40/increment-eax
<span id="L37" class="LineNr"> 37 </span> eb/jump $clear-stack:<span class="Constant">loop</span>/disp8
<span id="L38" class="LineNr"> 38 </span><span class="Constant">$clear-stack:end</span>:
<span id="L39" class="LineNr"> 39 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L40" class="LineNr"> 40 </span> 59/pop-to-ecx
<span id="L41" class="LineNr"> 41 </span> 58/pop-to-eax
<span id="L42" class="LineNr"> 42 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L43" class="LineNr"> 43 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L44" class="LineNr"> 44 </span> 5d/pop-to-ebp
<span id="L45" class="LineNr"> 45 </span> c3/return
<span id="L46" class="LineNr"> 46 </span>
<span id="L47" class="LineNr"> 47 </span><span class="subxTest">test-clear-stack</span>:
<span id="L48" class="LineNr"> 48 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L49" class="LineNr"> 49 </span> 55/push-ebp
<span id="L50" class="LineNr"> 50 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L51" class="LineNr"> 51 </span> <span class="subxComment"># var stack/ecx = stack of size 8 with random data in it</span>
<span id="L52" class="LineNr"> 52 </span> 68/push 34/imm32
<span id="L53" class="LineNr"> 53 </span> 68/push 35/imm32
<span id="L54" class="LineNr"> 54 </span> 68/push 8/imm32/size
<span id="L55" class="LineNr"> 55 </span> 68/push 14/imm32/top
<span id="L56" class="LineNr"> 56 </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="L57" class="LineNr"> 57 </span> <span class="subxComment"># clear(stack)</span>
<span id="L58" class="LineNr"> 58 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L59" class="LineNr"> 59 </span> 51/push-ecx
<span id="L60" class="LineNr"> 60 </span> <span class="subxS2Comment"># . . call</span>
<span id="L61" class="LineNr"> 61 </span> e8/call <a href='092stack.subx.html#L13'>clear-stack</a>/disp32
<span id="L62" class="LineNr"> 62 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L63" class="LineNr"> 63 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># top should be 0</span>
<span id="L65" class="LineNr"> 65 </span> 58/pop-to-eax
<span id="L66" class="LineNr"> 66 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 0, msg)</span>
<span id="L67" class="LineNr"> 67 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L68" class="LineNr"> 68 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L47'>test-clear-stack</a>: top&quot;</span>/imm32
<span id="L69" class="LineNr"> 69 </span> 68/push 0/imm32
<span id="L70" class="LineNr"> 70 </span> 50/push-eax
<span id="L71" class="LineNr"> 71 </span> <span class="subxS2Comment"># . . call</span>
<span id="L72" class="LineNr"> 72 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L73" class="LineNr"> 73 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L74" class="LineNr"> 74 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># size should remain 8</span>
<span id="L76" class="LineNr"> 76 </span> 58/pop-to-eax
<span id="L77" class="LineNr"> 77 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 8, msg)</span>
<span id="L78" class="LineNr"> 78 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L79" class="LineNr"> 79 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L47'>test-clear-stack</a>: size&quot;</span>/imm32
<span id="L80" class="LineNr"> 80 </span> 68/push 8/imm32
<span id="L81" class="LineNr"> 81 </span> 50/push-eax
<span id="L82" class="LineNr"> 82 </span> <span class="subxS2Comment"># . . call</span>
<span id="L83" class="LineNr"> 83 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L84" class="LineNr"> 84 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L85" class="LineNr"> 85 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L86" class="LineNr"> 86 </span> <span class="subxComment"># first word is 0</span>
<span id="L87" class="LineNr"> 87 </span> 58/pop-to-eax
<span id="L88" class="LineNr"> 88 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 0, msg)</span>
<span id="L89" class="LineNr"> 89 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L90" class="LineNr"> 90 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L47'>test-clear-stack</a>: data[0..3]&quot;</span>/imm32
<span id="L91" class="LineNr"> 91 </span> 68/push 0/imm32
<span id="L92" class="LineNr"> 92 </span> 50/push-eax
<span id="L93" class="LineNr"> 93 </span> <span class="subxS2Comment"># . . call</span>
<span id="L94" class="LineNr"> 94 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L95" class="LineNr"> 95 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L96" class="LineNr"> 96 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L97" class="LineNr"> 97 </span> <span class="subxComment"># second word is 0</span>
<span id="L98" class="LineNr"> 98 </span> 58/pop-to-eax
<span id="L99" class="LineNr"> 99 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 0, msg)</span>
<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L101" class="LineNr">101 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L47'>test-clear-stack</a>: data[4..7]&quot;</span>/imm32
<span id="L102" class="LineNr">102 </span> 68/push 0/imm32
<span id="L103" class="LineNr">103 </span> 50/push-eax
<span id="L104" class="LineNr">104 </span> <span class="subxS2Comment"># . . call</span>
<span id="L105" class="LineNr">105 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L106" class="LineNr">106 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L107" class="LineNr">107 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L108" class="LineNr">108 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L109" class="LineNr">109 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L110" class="LineNr">110 </span> 5d/pop-to-ebp
<span id="L111" class="LineNr">111 </span> c3/return
<span id="L112" class="LineNr">112 </span>
<span id="L113" class="LineNr">113 </span><span class="subxComment"># TODO: make this generic</span>
<span id="L114" class="LineNr">114 </span><span class="subxFunction">push</span>: <span class="subxComment"># s: (addr stack), n: int</span>
<span id="L115" class="LineNr">115 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L116" class="LineNr">116 </span> 55/push-ebp
<span id="L117" class="LineNr">117 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L118" class="LineNr">118 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L119" class="LineNr">119 </span> 50/push-eax
<span id="L120" class="LineNr">120 </span> 51/push-ecx
<span id="L121" class="LineNr">121 </span> 56/push-esi
<span id="L122" class="LineNr">122 </span> <span class="subxComment"># esi = s</span>
<span id="L123" class="LineNr">123 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span>
<span id="L124" class="LineNr">124 </span> <span class="subxComment"># ecx = s-&gt;top</span>
<span id="L125" class="LineNr">125 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ecx</span>
<span id="L126" class="LineNr">126 </span> <span class="subxComment"># if (s-&gt;top &gt;= s-&gt;size) abort</span>
<span id="L127" class="LineNr">127 </span> 39/compare 1/mod/*+disp8 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx 4/disp8 <span class="Normal"> . </span> <span class="subxComment"># compare *(esi+4) and ecx</span>
<span id="L128" class="LineNr">128 </span> 7e/jump-if-&lt;= $push:abort/disp8
<span id="L129" class="LineNr">129 </span> <span class="subxComment"># s-&gt;data[s-&gt;top] = n</span>
<span id="L130" class="LineNr">130 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/r32/eax 0xc/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+12) to eax</span>
<span id="L131" class="LineNr">131 </span> 89/copy 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy eax to *(esi+ecx+8)</span>
<span id="L132" class="LineNr">132 </span> <span class="subxComment"># s-&gt;top += 4</span>
<span id="L133" class="LineNr">133 </span> 81 0/subop/add 0/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># subtract from *esi</span>
<span id="L134" class="LineNr">134 </span><span class="Constant">$push:end</span>:
<span id="L135" class="LineNr">135 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L136" class="LineNr">136 </span> 5e/pop-to-esi
<span id="L137" class="LineNr">137 </span> 59/pop-to-ecx
<span id="L138" class="LineNr">138 </span> 58/pop-to-eax
<span id="L139" class="LineNr">139 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L140" class="LineNr">140 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L141" class="LineNr">141 </span> 5d/pop-to-ebp
<span id="L142" class="LineNr">142 </span> c3/return
<span id="L143" class="LineNr">143 </span>
<span id="L144" class="LineNr">144 </span><span class="Constant">$push:abort</span>:
<span id="L145" class="LineNr">145 </span> <span class="subxComment"># print(stderr, &quot;error: push: no space left&quot;)</span>
<span id="L146" class="LineNr">146 </span> <span class="subxS1Comment"># . write-buffered(Stderr, &quot;error: push: no space left&quot;)</span>
<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L148" class="LineNr">148 </span> 68/push <span class="Constant">&quot;error: <a href='092stack.subx.html#L114'>push</a>: no space left&quot;</span>/imm32
<span id="L149" class="LineNr">149 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32
<span id="L150" class="LineNr">150 </span> <span class="subxS2Comment"># . . call</span>
<span id="L151" class="LineNr">151 </span> e8/call <a href='065write-buffered.subx.html#L8'>write-buffered</a>/disp32
<span id="L152" class="LineNr">152 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L153" class="LineNr">153 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L154" class="LineNr">154 </span> <span class="subxS1Comment"># . flush(Stderr)</span>
<span id="L155" class="LineNr">155 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L156" class="LineNr">156 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32
<span id="L157" class="LineNr">157 </span> <span class="subxS2Comment"># . . call</span>
<span id="L158" class="LineNr">158 </span> e8/call <a href='064write-byte.subx.html#L81'>flush</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> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L161" class="LineNr">161 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L162" class="LineNr">162 </span> bb/copy-to-ebx 1/imm32
<span id="L163" class="LineNr">163 </span> b8/copy-to-eax 1/imm32/exit
<span id="L164" class="LineNr">164 </span> cd/syscall 0x80/imm8
<span id="L165" class="LineNr">165 </span> <span class="subxComment"># never gets here</span>
<span id="L166" class="LineNr">166 </span>
<span id="L167" class="LineNr">167 </span><span class="subxTest">test-push</span>:
<span id="L168" class="LineNr">168 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L169" class="LineNr">169 </span> 55/push-ebp
<span id="L170" class="LineNr">170 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L171" class="LineNr">171 </span> <span class="subxComment"># var stack/ecx = empty stack of size 8</span>
<span id="L172" class="LineNr">172 </span> 68/push 0/imm32
<span id="L173" class="LineNr">173 </span> 68/push 0/imm32
<span id="L174" class="LineNr">174 </span> 68/push 8/imm32/size
<span id="L175" class="LineNr">175 </span> 68/push 0/imm32/top
<span id="L176" class="LineNr">176 </span> 89/copy 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ecx</span>
<span id="L177" class="LineNr">177 </span> <span class="subxComment"># push(stack, 0x42)</span>
<span id="L178" class="LineNr">178 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L179" class="LineNr">179 </span> 68/push 0x42/imm32
<span id="L180" class="LineNr">180 </span> 51/push-ecx
<span id="L181" class="LineNr">181 </span> <span class="subxS2Comment"># . . call</span>
<span id="L182" class="LineNr">182 </span> e8/call <a href='092stack.subx.html#L114'>push</a>/disp32
<span id="L183" class="LineNr">183 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L184" class="LineNr">184 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L185" class="LineNr">185 </span> <span class="subxComment"># check top</span>
<span id="L186" class="LineNr">186 </span> 58/pop-to-eax
<span id="L187" class="LineNr">187 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 4, msg)</span>
<span id="L188" class="LineNr">188 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L189" class="LineNr">189 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L167'>test-push</a>: top&quot;</span>/imm32
<span id="L190" class="LineNr">190 </span> 68/push 4/imm32
<span id="L191" class="LineNr">191 </span> 50/push-eax
<span id="L192" class="LineNr">192 </span> <span class="subxS2Comment"># . . call</span>
<span id="L193" class="LineNr">193 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L194" class="LineNr">194 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L195" class="LineNr">195 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L196" class="LineNr">196 </span> <span class="subxComment"># check size</span>
<span id="L197" class="LineNr">197 </span> 58/pop-to-eax
<span id="L198" class="LineNr">198 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 8, msg)</span>
<span id="L199" class="LineNr">199 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L200" class="LineNr">200 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L167'>test-push</a>: size&quot;</span>/imm32
<span id="L201" class="LineNr">201 </span> 68/push 8/imm32
<span id="L202" class="LineNr">202 </span> 50/push-eax
<span id="L203" class="LineNr">203 </span> <span class="subxS2Comment"># . . call</span>
<span id="L204" class="LineNr">204 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L205" class="LineNr">205 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L206" class="LineNr">206 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L207" class="LineNr">207 </span> <span class="subxComment"># first word is 0x42</span>
<span id="L208" class="LineNr">208 </span> 58/pop-to-eax
<span id="L209" class="LineNr">209 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 0x42, msg)</span>
<span id="L210" class="LineNr">210 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L211" class="LineNr">211 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L167'>test-push</a>: data[0..3]&quot;</span>/imm32
<span id="L212" class="LineNr">212 </span> 68/push 0x42/imm32
<span id="L213" class="LineNr">213 </span> 50/push-eax
<span id="L214" class="LineNr">214 </span> <span class="subxS2Comment"># . . call</span>
<span id="L215" class="LineNr">215 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</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> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L218" class="LineNr">218 </span> <span class="subxComment"># second word is 0</span>
<span id="L219" class="LineNr">219 </span> 58/pop-to-eax
<span id="L220" class="LineNr">220 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 0, msg)</span>
<span id="L221" class="LineNr">221 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L222" class="LineNr">222 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L167'>test-push</a>: data[4..7]&quot;</span>/imm32
<span id="L223" class="LineNr">223 </span> 68/push 0/imm32
<span id="L224" class="LineNr">224 </span> 50/push-eax
<span id="L225" class="LineNr">225 </span> <span class="subxS2Comment"># . . call</span>
<span id="L226" class="LineNr">226 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L227" class="LineNr">227 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L228" class="LineNr">228 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L229" class="LineNr">229 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L230" class="LineNr">230 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L231" class="LineNr">231 </span> 5d/pop-to-ebp
<span id="L232" class="LineNr">232 </span> c3/return
<span id="L233" class="LineNr">233 </span>
<span id="L234" class="LineNr">234 </span><span class="subxComment"># TODO: make this generic</span>
<span id="L235" class="LineNr">235 </span><span class="subxFunction">pop</span>: <span class="subxComment"># s: (addr stack) -&gt; n/eax: int</span>
<span id="L236" class="LineNr">236 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L237" class="LineNr">237 </span> 55/push-ebp
<span id="L238" class="LineNr">238 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L239" class="LineNr">239 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L240" class="LineNr">240 </span> 51/push-ecx
<span id="L241" class="LineNr">241 </span> 56/push-esi
<span id="L242" class="LineNr">242 </span> <span class="subxComment"># esi = s</span>
<span id="L243" class="LineNr">243 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span>
<span id="L244" class="LineNr">244 </span> <span class="subxComment"># if (s-&gt;top &lt;= 0) abort</span>
<span id="L245" class="LineNr">245 </span> 81 7/subop/compare 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare *esi</span>
<span id="L246" class="LineNr">246 </span> 7e/jump-if-&lt;= $pop:abort/disp8
<span id="L247" class="LineNr">247 </span> <span class="subxComment"># s-&gt;top -= 4</span>
<span id="L248" class="LineNr">248 </span> 81 5/subop/subtract 0/mod/direct 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># subtract from *esi</span>
<span id="L249" class="LineNr">249 </span> <span class="subxComment"># eax = s-&gt;data[s-&gt;top]</span>
<span id="L250" class="LineNr">250 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ecx</span>
<span id="L251" class="LineNr">251 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+ecx+8) to eax</span>
<span id="L252" class="LineNr">252 </span> <span class="subxComment"># s-&gt;data[s-&gt;top] = 0</span>
<span id="L253" class="LineNr">253 </span> c7 0/subop/copy 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 8/disp8 0/imm32 <span class="subxComment"># copy to *(esi+ecx+8)</span>
<span id="L254" class="LineNr">254 </span><span class="Constant">$pop:end</span>:
<span id="L255" class="LineNr">255 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L256" class="LineNr">256 </span> 5e/pop-to-esi
<span id="L257" class="LineNr">257 </span> 59/pop-to-ecx
<span id="L258" class="LineNr">258 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L259" class="LineNr">259 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L260" class="LineNr">260 </span> 5d/pop-to-ebp
<span id="L261" class="LineNr">261 </span> c3/return
<span id="L262" class="LineNr">262 </span>
<span id="L263" class="LineNr">263 </span><span class="Constant">$pop:abort</span>:
<span id="L264" class="LineNr">264 </span> <span class="subxComment"># print(stderr, &quot;error: pop: nothing left in stack&quot;)</span>
<span id="L265" class="LineNr">265 </span> <span class="subxS1Comment"># . write-buffered(Stderr, &quot;error: pop: nothing left in stack&quot;)</span>
<span id="L266" class="LineNr">266 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L267" class="LineNr">267 </span> 68/push <span class="Constant">&quot;error: <a href='092stack.subx.html#L235'>pop</a>: nothing left in stack&quot;</span>/imm32
<span id="L268" class="LineNr">268 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32
<span id="L269" class="LineNr">269 </span> <span class="subxS2Comment"># . . call</span>
<span id="L270" class="LineNr">270 </span> e8/call <a href='065write-buffered.subx.html#L8'>write-buffered</a>/disp32
<span id="L271" class="LineNr">271 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L272" class="LineNr">272 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L273" class="LineNr">273 </span> <span class="subxS1Comment"># . flush(Stderr)</span>
<span id="L274" class="LineNr">274 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L275" class="LineNr">275 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32
<span id="L276" class="LineNr">276 </span> <span class="subxS2Comment"># . . call</span>
<span id="L277" class="LineNr">277 </span> e8/call <a href='064write-byte.subx.html#L81'>flush</a>/disp32
<span id="L278" class="LineNr">278 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L279" class="LineNr">279 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L280" class="LineNr">280 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L281" class="LineNr">281 </span> bb/copy-to-ebx 1/imm32
<span id="L282" class="LineNr">282 </span> b8/copy-to-eax 1/imm32/exit
<span id="L283" class="LineNr">283 </span> cd/syscall 0x80/imm8
<span id="L284" class="LineNr">284 </span> <span class="subxComment"># never gets here</span>
<span id="L285" class="LineNr">285 </span>
<span id="L286" class="LineNr">286 </span><span class="subxTest">test-pop</span>:
<span id="L287" class="LineNr">287 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L288" class="LineNr">288 </span> 55/push-ebp
<span id="L289" class="LineNr">289 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L290" class="LineNr">290 </span> <span class="subxComment"># var stack/ecx = stack of size 8 containing just 0x42</span>
<span id="L291" class="LineNr">291 </span> 68/push 0/imm32
<span id="L292" class="LineNr">292 </span> 68/push 0x42/imm32
<span id="L293" class="LineNr">293 </span> 68/push 8/imm32/size
<span id="L294" class="LineNr">294 </span> 68/push 4/imm32/top
<span id="L295" class="LineNr">295 </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="L296" class="LineNr">296 </span> <span class="subxComment"># eax = pop(stack)</span>
<span id="L297" class="LineNr">297 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L298" class="LineNr">298 </span> 51/push-ecx
<span id="L299" class="LineNr">299 </span> <span class="subxS2Comment"># . . call</span>
<span id="L300" class="LineNr">300 </span> e8/call <a href='092stack.subx.html#L235'>pop</a>/disp32
<span id="L301" class="LineNr">301 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L302" class="LineNr">302 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L303" class="LineNr">303 </span> <span class="subxComment"># check-ints-equal(eax, 0x42, msg)</span>
<span id="L304" class="LineNr">304 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L305" class="LineNr">305 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L286'>test-pop</a>: result&quot;</span>/imm32
<span id="L306" class="LineNr">306 </span> 68/push 0x42/imm32
<span id="L307" class="LineNr">307 </span> 50/push-eax
<span id="L308" class="LineNr">308 </span> <span class="subxS2Comment"># . . call</span>
<span id="L309" class="LineNr">309 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L310" class="LineNr">310 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L311" class="LineNr">311 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L312" class="LineNr">312 </span> <span class="subxComment"># check top</span>
<span id="L313" class="LineNr">313 </span> 58/pop-to-eax
<span id="L314" class="LineNr">314 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 0, msg)</span>
<span id="L315" class="LineNr">315 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L316" class="LineNr">316 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L286'>test-pop</a>: top&quot;</span>/imm32
<span id="L317" class="LineNr">317 </span> 68/push 0/imm32
<span id="L318" class="LineNr">318 </span> 50/push-eax
<span id="L319" class="LineNr">319 </span> <span class="subxS2Comment"># . . call</span>
<span id="L320" class="LineNr">320 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L321" class="LineNr">321 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L322" class="LineNr">322 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L323" class="LineNr">323 </span> <span class="subxComment"># check size</span>
<span id="L324" class="LineNr">324 </span> 58/pop-to-eax
<span id="L325" class="LineNr">325 </span> <span class="subxS1Comment"># . check-ints-equal(eax, 8, msg)</span>
<span id="L326" class="LineNr">326 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L327" class="LineNr">327 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L286'>test-pop</a>: size&quot;</span>/imm32
<span id="L328" class="LineNr">328 </span> 68/push 8/imm32
<span id="L329" class="LineNr">329 </span> 50/push-eax
<span id="L330" class="LineNr">330 </span> <span class="subxS2Comment"># . . call</span>
<span id="L331" class="LineNr">331 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L332" class="LineNr">332 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L333" class="LineNr">333 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L334" class="LineNr">334 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L335" class="LineNr">335 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L336" class="LineNr">336 </span> 5d/pop-to-ebp
<span id="L337" class="LineNr">337 </span> c3/return
<span id="L338" class="LineNr">338 </span>
<span id="L339" class="LineNr">339 </span><span class="subxComment"># TODO: make this generic</span>
<span id="L340" class="LineNr">340 </span><span class="subxFunction">top</span>: <span class="subxComment"># s: (addr stack) -&gt; n/eax: int</span>
<span id="L341" class="LineNr">341 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L342" class="LineNr">342 </span> 55/push-ebp
<span id="L343" class="LineNr">343 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L344" class="LineNr">344 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L345" class="LineNr">345 </span> 51/push-ecx
<span id="L346" class="LineNr">346 </span> 56/push-esi
<span id="L347" class="LineNr">347 </span> <span class="subxComment"># esi = s</span>
<span id="L348" class="LineNr">348 </span> 8b/copy 1/mod/*+disp8 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 6/r32/esi 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(ebp+8) to esi</span>
<span id="L349" class="LineNr">349 </span> <span class="subxComment"># if (s-&gt;top &lt;= 0) abort</span>
<span id="L350" class="LineNr">350 </span> 81 7/subop/compare 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0/imm32 <span class="subxComment"># compare *esi</span>
<span id="L351" class="LineNr">351 </span> 7e/jump-if-&lt;= $top:abort/disp8
<span id="L352" class="LineNr">352 </span> <span class="subxComment"># n = s-&gt;data[s-&gt;top - 4]</span>
<span id="L353" class="LineNr">353 </span> 8b/copy 0/mod/indirect 6/rm32/esi <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 1/r32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy *esi to ecx</span>
<span id="L354" class="LineNr">354 </span> 81 5/subop/subtract 3/mod/direct 1/rm32/ecx <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># subtract from ecx</span>
<span id="L355" class="LineNr">355 </span> 8b/copy 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx <span class="Normal"> . </span> 0/r32/eax 8/disp8 <span class="Normal"> . </span> <span class="subxComment"># copy *(esi+ecx+8) to eax</span>
<span id="L356" class="LineNr">356 </span><span class="Constant">$top:end</span>:
<span id="L357" class="LineNr">357 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L358" class="LineNr">358 </span> 5e/pop-to-esi
<span id="L359" class="LineNr">359 </span> 59/pop-to-ecx
<span id="L360" class="LineNr">360 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L361" class="LineNr">361 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L362" class="LineNr">362 </span> 5d/pop-to-ebp
<span id="L363" class="LineNr">363 </span> c3/return
<span id="L364" class="LineNr">364 </span>
<span id="L365" class="LineNr">365 </span><span class="Constant">$top:abort</span>:
<span id="L366" class="LineNr">366 </span> <span class="subxComment"># print(stderr, &quot;error: top: nothing left in stack&quot;)</span>
<span id="L367" class="LineNr">367 </span> <span class="subxS1Comment"># . write-buffered(Stderr, &quot;error: top: nothing left in stack&quot;)</span>
<span id="L368" class="LineNr">368 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L369" class="LineNr">369 </span> 68/push <span class="Constant">&quot;error: <a href='092stack.subx.html#L340'>top</a>: nothing left in stack&quot;</span>/imm32
<span id="L370" class="LineNr">370 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32
<span id="L371" class="LineNr">371 </span> <span class="subxS2Comment"># . . call</span>
<span id="L372" class="LineNr">372 </span> e8/call <a href='065write-buffered.subx.html#L8'>write-buffered</a>/disp32
<span id="L373" class="LineNr">373 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L374" class="LineNr">374 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 8/imm32 <span class="subxComment"># add to esp</span>
<span id="L375" class="LineNr">375 </span> <span class="subxS1Comment"># . flush(Stderr)</span>
<span id="L376" class="LineNr">376 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L377" class="LineNr">377 </span> 68/push <span class="SpecialChar"><a href='065write-buffered.subx.html#L209'>Stderr</a></span>/imm32
<span id="L378" class="LineNr">378 </span> <span class="subxS2Comment"># . . call</span>
<span id="L379" class="LineNr">379 </span> e8/call <a href='064write-byte.subx.html#L81'>flush</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> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L382" class="LineNr">382 </span> <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L383" class="LineNr">383 </span> bb/copy-to-ebx 1/imm32
<span id="L384" class="LineNr">384 </span> b8/copy-to-eax 1/imm32/exit
<span id="L385" class="LineNr">385 </span> cd/syscall 0x80/imm8
<span id="L386" class="LineNr">386 </span> <span class="subxComment"># never gets here</span>
<span id="L387" class="LineNr">387 </span>
<span id="L388" class="LineNr">388 </span><span class="subxTest">test-top</span>:
<span id="L389" class="LineNr">389 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L390" class="LineNr">390 </span> 55/push-ebp
<span id="L391" class="LineNr">391 </span> 89/copy 3/mod/direct 5/rm32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/r32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy esp to ebp</span>
<span id="L392" class="LineNr">392 </span> <span class="subxComment"># var stack/ecx = stack of size 8 containing just 0x42</span>
<span id="L393" class="LineNr">393 </span> 68/push 0/imm32
<span id="L394" class="LineNr">394 </span> 68/push 0x42/imm32
<span id="L395" class="LineNr">395 </span> 68/push 8/imm32/size
<span id="L396" class="LineNr">396 </span> 68/push 4/imm32/top
<span id="L397" class="LineNr">397 </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="L398" class="LineNr">398 </span> <span class="subxComment"># eax = top(stack)</span>
<span id="L399" class="LineNr">399 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L400" class="LineNr">400 </span> 51/push-ecx
<span id="L401" class="LineNr">401 </span> <span class="subxS2Comment"># . . call</span>
<span id="L402" class="LineNr">402 </span> e8/call <a href='092stack.subx.html#L340'>top</a>/disp32
<span id="L403" class="LineNr">403 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L404" class="LineNr">404 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 4/imm32 <span class="subxComment"># add to esp</span>
<span id="L405" class="LineNr">405 </span> <span class="subxComment"># check-ints-equal(eax, 42, msg&quot;)</span>
<span id="L406" class="LineNr">406 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L407" class="LineNr">407 </span> 68/push <span class="Constant">&quot;F - <a href='092stack.subx.html#L388'>test-top</a>: result&quot;</span>/imm32
<span id="L408" class="LineNr">408 </span> 68/push 0x42/imm32
<span id="L409" class="LineNr">409 </span> 50/push-eax
<span id="L410" class="LineNr">410 </span> <span class="subxS2Comment"># . . call</span>
<span id="L411" class="LineNr">411 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L412" class="LineNr">412 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L413" class="LineNr">413 </span> 81 0/subop/add 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 0xc/imm32 <span class="subxComment"># add to esp</span>
<span id="L414" class="LineNr">414 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L415" class="LineNr">415 </span> 89/copy 3/mod/direct 4/rm32/esp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="Normal"> . </span> 5/r32/ebp <span class="Normal"> . </span> <span class="Normal"> . </span> <span class="subxComment"># copy ebp to esp</span>
<span id="L416" class="LineNr">416 </span> 5d/pop-to-ebp
<span id="L417" class="LineNr">417 </span> c3/return
<span id="L418" class="LineNr">418 </span>
<span id="L419" class="LineNr">419 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
</pre>
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844
html/100array-equal.subx.html
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@ -16,12 +16,12 @@ a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.subxS2Comment { color: #8a8a8a; }
.LineNr { }
.SpecialChar { color: #d70000; }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.Constant { color: #008787; }
.subxTest { color: #5f8700; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.SpecialChar { color: #d70000; }
.Constant { color: #008787; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
-->
</style>
@ -64,12 +64,12 @@ if ('onhashchange' in window) {
<span id="L4" class="LineNr"> 4 </span>
<span id="L5" class="LineNr"> 5 </span><span class="subxFunction">array-equal?</span>: <span class="subxComment"># a: (addr array int), b: (addr array int) -&gt; eax: boolean</span>
<span id="L6" class="LineNr"> 6 </span> <span class="subxComment"># pseudocode:</span>
<span id="L7" class="LineNr"> 7 </span> <span class="subxComment"># lena = a-&gt;length</span>
<span id="L8" class="LineNr"> 8 </span> <span class="subxComment"># if (lena != b-&gt;length) return false</span>
<span id="L7" class="LineNr"> 7 </span> <span class="subxComment"># asize = a-&gt;size</span>
<span id="L8" class="LineNr"> 8 </span> <span class="subxComment"># if (asize != b-&gt;size) return false</span>
<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># i = 0</span>
<span id="L10" class="LineNr"> 10 </span> <span class="subxComment"># curra = a-&gt;data</span>
<span id="L11" class="LineNr"> 11 </span> <span class="subxComment"># currb = b-&gt;data</span>
<span id="L12" class="LineNr"> 12 </span> <span class="subxComment"># while i &lt; lena</span>
<span id="L12" class="LineNr"> 12 </span> <span class="subxComment"># while i &lt; asize</span>
<span id="L13" class="LineNr"> 13 </span> <span class="subxComment"># i1 = *curra</span>
<span id="L14" class="LineNr"> 14 </span> <span class="subxComment"># i2 = *currb</span>
<span id="L15" class="LineNr"> 15 </span> <span class="subxComment"># if (c1 != c2) return false</span>
@ -78,7 +78,7 @@ if ('onhashchange' in window) {
<span id="L18" class="LineNr"> 18 </span> <span class="subxComment">#</span>
<span id="L19" class="LineNr"> 19 </span> <span class="subxComment"># registers:</span>
<span id="L20" class="LineNr"> 20 </span> <span class="subxComment"># i: ecx</span>
<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># lena: edx</span>
<span id="L21" class="LineNr"> 21 </span> <span class="subxComment"># asize: edx</span>
<span id="L22" class="LineNr"> 22 </span> <span class="subxComment"># curra: esi</span>
<span id="L23" class="LineNr"> 23 </span> <span class="subxComment"># currb: edi</span>
<span id="L24" class="LineNr"> 24 </span> <span class="subxComment"># i1: eax</span>
@ -97,10 +97,10 @@ if ('onhashchange' in window) {
<span id="L37" class="LineNr"> 37 </span> 8b/-&gt; *(ebp+8) 6/r32/esi
<span id="L38" class="LineNr"> 38 </span> <span class="subxComment"># edi = b</span>
<span id="L39" class="LineNr"> 39 </span> 8b/-&gt; *(ebp+0xc) 7/r32/edi
<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># var lena/edx: int = a-&gt;length</span>
<span id="L40" class="LineNr"> 40 </span> <span class="subxComment"># var asize/edx: int = a-&gt;size</span>
<span id="L41" class="LineNr"> 41 </span> 8b/-&gt; *esi 2/r32/edx
<span id="L42" class="LineNr"> 42 </span><span class="Constant">$array-equal?:lengths</span>:
<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># if (lena != b-&gt;length) return false</span>
<span id="L42" class="LineNr"> 42 </span><span class="Constant">$array-equal?:sizes</span>:
<span id="L43" class="LineNr"> 43 </span> <span class="subxComment"># if (asize != b-&gt;size) return false</span>
<span id="L44" class="LineNr"> 44 </span> 39/compare *edi 2/r32/edx
<span id="L45" class="LineNr"> 45 </span> 75/jump-if-!= $array-equal?:false/disp8
<span id="L46" class="LineNr"> 46 </span> <span class="subxComment"># var curra/esi: (addr byte) = a-&gt;data</span>
@ -108,11 +108,11 @@ if ('onhashchange' in window) {
<span id="L48" class="LineNr"> 48 </span> <span class="subxComment"># var currb/edi: (addr byte) = b-&gt;data</span>
<span id="L49" class="LineNr"> 49 </span> 81 0/subop/add %edi 4/imm32
<span id="L50" class="LineNr"> 50 </span> <span class="subxComment"># var i/ecx: int = 0</span>
<span id="L51" class="LineNr"> 51 </span> 31/xor %ecx 1/r32/ecx
<span id="L51" class="LineNr"> 51 </span> 31/xor-with %ecx 1/r32/ecx
<span id="L52" class="LineNr"> 52 </span> <span class="subxComment"># var vala/eax: int</span>
<span id="L53" class="LineNr"> 53 </span> <span class="subxComment"># var valb/ebx: int</span>
<span id="L54" class="LineNr"> 54 </span><span class="Constant">$array-equal?:loop</span>:
<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># if (i &gt;= lena) return true</span>
<span id="L55" class="LineNr"> 55 </span> <span class="subxComment"># if (i &gt;= asize) return true</span>
<span id="L56" class="LineNr"> 56 </span> 39/compare %ecx 2/r32/edx
<span id="L57" class="LineNr"> 57 </span> 7d/jump-if-&gt;= $array-equal?:true/disp8
<span id="L58" class="LineNr"> 58 </span> <span class="subxComment"># var vala/eax: int = *curra</span>
@ -156,507 +156,321 @@ if ('onhashchange' in window) {
<span id="L96" class="LineNr"> 96 </span> <span class="subxComment"># var edx: (array _) = []</span>
<span id="L97" class="LineNr"> 97 </span> 68/push 0/imm32/size
<span id="L98" class="LineNr"> 98 </span> 89/&lt;- %edx 4/r32/esp
<span id="L99" class="LineNr"> 99 </span> <span class="subxComment"># eax = array-equal?(ecx, edx)</span>
<span id="L100" class="LineNr">100 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L101" class="LineNr">101 </span> 52/push-edx
<span id="L102" class="LineNr">102 </span> 51/push-ecx
<span id="L103" class="LineNr">103 </span> <span class="subxS2Comment"># . . call</span>
<span id="L104" class="LineNr">104 </span> e8/call <a href='100array-equal.subx.html#L5'>array-equal?</a>/disp32
<span id="L105" class="LineNr">105 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L106" class="LineNr">106 </span> 81 0/subop/add %esp 8/imm32
<span id="L107" class="LineNr">107 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span>
<span id="L108" class="LineNr">108 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L109" class="LineNr">109 </span> 68/push <span class="Constant">&quot;F - test-compare-empty-with-empty-array&quot;</span>/imm32
<span id="L110" class="LineNr">110 </span> 68/push 1/imm32/true
<span id="L111" class="LineNr">111 </span> 50/push-eax
<span id="L112" class="LineNr">112 </span> <span class="subxS2Comment"># . . call</span>
<span id="L113" class="LineNr">113 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L114" class="LineNr">114 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L115" class="LineNr">115 </span> 81 0/subop/add %esp 0xc/imm32
<span id="L116" class="LineNr">116 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L117" class="LineNr">117 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L118" class="LineNr">118 </span> 5d/pop-to-ebp
<span id="L119" class="LineNr">119 </span> c3/return
<span id="L120" class="LineNr">120 </span>
<span id="L121" class="LineNr">121 </span><span class="subxTest">test-compare-empty-with-non-empty-array</span>: <span class="subxComment"># also checks length-mismatch code path</span>
<span id="L122" class="LineNr">122 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L123" class="LineNr">123 </span> 55/push-ebp
<span id="L124" class="LineNr">124 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L125" class="LineNr">125 </span> <span class="subxComment"># var ecx: (array int) = [1]</span>
<span id="L126" class="LineNr">126 </span> 68/push 1/imm32
<span id="L127" class="LineNr">127 </span> 68/push 4/imm32/size
<span id="L128" class="LineNr">128 </span> 89/&lt;- %ecx 4/r32/esp
<span id="L129" class="LineNr">129 </span> <span class="subxComment"># var edx: (array int) = []</span>
<span id="L130" class="LineNr">130 </span> 68/push 0/imm32/size
<span id="L131" class="LineNr">131 </span> 89/&lt;- %edx 4/r32/esp
<span id="L132" class="LineNr">132 </span> <span class="subxComment"># eax = array-equal?(ecx, edx)</span>
<span id="L133" class="LineNr">133 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L134" class="LineNr">134 </span> 52/push-edx
<span id="L135" class="LineNr">135 </span> 51/push-ecx
<span id="L136" class="LineNr">136 </span> <span class="subxS2Comment"># . . call</span>
<span id="L137" class="LineNr">137 </span> e8/call <a href='100array-equal.subx.html#L5'>array-equal?</a>/disp32
<span id="L138" class="LineNr">138 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L139" class="LineNr">139 </span> 81 0/subop/add %esp 8/imm32
<span id="L140" class="LineNr">140 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L141" class="LineNr">141 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L142" class="LineNr">142 </span> 68/push <span class="Constant">&quot;F - test-compare-empty-with-non-empty-array&quot;</span>/imm32
<span id="L143" class="LineNr">143 </span> 68/push 0/imm32/false
<span id="L144" class="LineNr">144 </span> 50/push-eax
<span id="L145" class="LineNr">145 </span> <span class="subxS2Comment"># . . call</span>
<span id="L146" class="LineNr">146 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L147" class="LineNr">147 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L148" class="LineNr">148 </span> 81 0/subop/add %esp 0xc/imm32
<span id="L149" class="LineNr">149 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L150" class="LineNr">150 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L151" class="LineNr">151 </span> 5d/pop-to-ebp
<span id="L152" class="LineNr">152 </span> c3/return
<span id="L153" class="LineNr">153 </span>
<span id="L154" class="LineNr">154 </span><span class="subxTest">test-compare-equal-arrays</span>:
<span id="L155" class="LineNr">155 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L156" class="LineNr">156 </span> 55/push-ebp
<span id="L157" class="LineNr">157 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L158" class="LineNr">158 </span> <span class="subxComment"># var ecx: (array int) = [1, 2, 3]</span>
<span id="L159" class="LineNr">159 </span> 68/push 3/imm32
<span id="L160" class="LineNr">160 </span> 68/push 2/imm32
<span id="L161" class="LineNr">161 </span> 68/push 1/imm32
<span id="L162" class="LineNr">162 </span> 68/push 0xc/imm32/size
<span id="L163" class="LineNr">163 </span> 89/&lt;- %ecx 4/r32/esp
<span id="L164" class="LineNr">164 </span> <span class="subxComment"># var edx: (array int) = [1, 2, 3]</span>
<span id="L165" class="LineNr">165 </span> 68/push 3/imm32
<span id="L166" class="LineNr">166 </span> 68/push 2/imm32
<span id="L167" class="LineNr">167 </span> 68/push 1/imm32
<span id="L168" class="LineNr">168 </span> 68/push 0xc/imm32/size
<span id="L169" class="LineNr">169 </span> 89/&lt;- %edx 4/r32/esp
<span id="L170" class="LineNr">170 </span> <span class="subxComment"># eax = array-equal?(ecx, edx)</span>
<span id="L171" class="LineNr">171 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L172" class="LineNr">172 </span> 52/push-edx
<span id="L173" class="LineNr">173 </span> 51/push-ecx
<span id="L174" class="LineNr">174 </span> <span class="subxS2Comment"># . . call</span>
<span id="L175" class="LineNr">175 </span> e8/call <a href='100array-equal.subx.html#L5'>array-equal?</a>/disp32
<span id="L176" class="LineNr">176 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L177" class="LineNr">177 </span> 81 0/subop/add %esp 8/imm32
<span id="L178" class="LineNr">178 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span>
<span id="L179" class="LineNr">179 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L180" class="LineNr">180 </span> 68/push <span class="Constant">&quot;F - test-compare-equal-arrays&quot;</span>/imm32
<span id="L181" class="LineNr">181 </span> 68/push 1/imm32/true
<span id="L182" class="LineNr">182 </span> 50/push-eax
<span id="L183" class="LineNr">183 </span> <span class="subxS2Comment"># . . call</span>
<span id="L184" class="LineNr">184 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L185" class="LineNr">185 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L186" class="LineNr">186 </span> 81 0/subop/add %esp 0xc/imm32
<span id="L187" class="LineNr">187 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L188" class="LineNr">188 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L189" class="LineNr">189 </span> 5d/pop-to-ebp
<span id="L190" class="LineNr">190 </span> c3/return
<span id="L191" class="LineNr">191 </span>
<span id="L192" class="LineNr">192 </span><span class="subxTest">test-compare-inequal-arrays-equal-lengths</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/&lt;- %ebp 4/r32/esp
<span id="L196" class="LineNr">196 </span> <span class="subxComment"># var ecx: (array int) = [1, 4, 3]</span>
<span id="L197" class="LineNr">197 </span> 68/push 3/imm32
<span id="L198" class="LineNr">198 </span> 68/push 4/imm32
<span id="L199" class="LineNr">199 </span> 68/push 1/imm32
<span id="L200" class="LineNr">200 </span> 68/push 0xc/imm32/size
<span id="L201" class="LineNr">201 </span> 89/&lt;- %ecx 4/r32/esp
<span id="L202" class="LineNr">202 </span> <span class="subxComment"># var edx: (array int) = [1, 2, 3]</span>
<span id="L203" class="LineNr">203 </span> 68/push 3/imm32
<span id="L204" class="LineNr">204 </span> 68/push 2/imm32
<span id="L205" class="LineNr">205 </span> 68/push 1/imm32
<span id="L206" class="LineNr">206 </span> 68/push 0xc/imm32/size
<span id="L207" class="LineNr">207 </span> 89/&lt;- %edx 4/r32/esp
<span id="L208" class="LineNr">208 </span> <span class="subxComment"># eax = array-equal?(ecx, edx)</span>
<span id="L209" class="LineNr">209 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L210" class="LineNr">210 </span> 52/push-edx
<span id="L211" class="LineNr">211 </span> 51/push-ecx
<span id="L212" class="LineNr">212 </span> <span class="subxS2Comment"># . . call</span>
<span id="L213" class="LineNr">213 </span> e8/call <a href='100array-equal.subx.html#L5'>array-equal?</a>/disp32
<span id="L214" class="LineNr">214 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L215" class="LineNr">215 </span> 81 0/subop/add %esp 8/imm32
<span id="L216" class="LineNr">216 </span> <span class="subxComment"># check-ints-equal(eax, 0, msg)</span>
<span id="L217" class="LineNr">217 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L218" class="LineNr">218 </span> 68/push <span class="Constant">&quot;F - test-compare-inequal-arrays-equal-lengths&quot;</span>/imm32
<span id="L219" class="LineNr">219 </span> 68/push 0/imm32/false
<span id="L220" class="LineNr">220 </span> 50/push-eax
<span id="L221" class="LineNr">221 </span> <span class="subxS2Comment"># . . call</span>
<span id="L222" class="LineNr">222 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L223" class="LineNr">223 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L224" class="LineNr">224 </span> 81 0/subop/add %esp 0xc/imm32
<span id="L225" class="LineNr">225 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L226" class="LineNr">226 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L227" class="LineNr">227 </span> 5d/pop-to-ebp
<span id="L228" class="LineNr">228 </span> c3/return
<span id="L229" class="LineNr">229 </span>
<span id="L230" class="LineNr">230 </span><span class="subxFunction">parse-array-of-ints</span>: <span class="subxComment"># ad: (addr allocation-descriptor), s: (addr string) -&gt; result/eax: (handle array int)</span>
<span id="L231" class="LineNr">231 </span> <span class="subxComment"># pseudocode</span>
<span id="L232" class="LineNr">232 </span> <span class="subxComment"># end = &amp;s-&gt;data[s-&gt;length]</span>
<span id="L233" class="LineNr">233 </span> <span class="subxComment"># curr = s-&gt;data</span>
<span id="L234" class="LineNr">234 </span> <span class="subxComment"># size = 0</span>
<span id="L235" class="LineNr">235 </span> <span class="subxComment"># while true</span>
<span id="L236" class="LineNr">236 </span> <span class="subxComment"># if (curr &gt;= end) break</span>
<span id="L237" class="LineNr">237 </span> <span class="subxComment"># curr = skip-chars-matching-in-slice(curr, end, ' ')</span>
<span id="L238" class="LineNr">238 </span> <span class="subxComment"># if (curr &gt;= end) break</span>
<span id="L239" class="LineNr">239 </span> <span class="subxComment"># curr = skip-chars-not-matching-in-slice(curr, end, ' ')</span>
<span id="L240" class="LineNr">240 </span> <span class="subxComment"># ++size</span>
<span id="L241" class="LineNr">241 </span> <span class="subxComment"># result = allocate(ad, (size+1)*4)</span>
<span id="L242" class="LineNr">242 </span> <span class="subxComment"># result-&gt;size = (size+1)*4</span>
<span id="L243" class="LineNr">243 </span> <span class="subxComment"># var slice: slice = {s-&gt;data, 0}</span>
<span id="L244" class="LineNr">244 </span> <span class="subxComment"># out = result-&gt;data</span>
<span id="L245" class="LineNr">245 </span> <span class="subxComment"># while true</span>
<span id="L246" class="LineNr">246 </span> <span class="subxComment"># if (slice-&gt;start &gt;= end) break</span>
<span id="L247" class="LineNr">247 </span> <span class="subxComment"># slice-&gt;start = skip-chars-matching-in-slice(slice-&gt;start, end, ' ')</span>
<span id="L248" class="LineNr">248 </span> <span class="subxComment"># if (slice-&gt;start &gt;= end) break</span>
<span id="L249" class="LineNr">249 </span> <span class="subxComment"># slice-&gt;end = skip-chars-not-matching-in-slice(slice-&gt;start, end, ' ')</span>
<span id="L250" class="LineNr">250 </span> <span class="subxComment"># *out = parse-hex-int-from-slice(slice)</span>
<span id="L251" class="LineNr">251 </span> <span class="subxComment"># out += 4</span>
<span id="L252" class="LineNr">252 </span> <span class="subxComment"># slice-&gt;start = slice-&gt;end</span>
<span id="L253" class="LineNr">253 </span> <span class="subxComment"># return result</span>
<span id="L254" class="LineNr">254 </span> <span class="subxComment">#</span>
<span id="L255" class="LineNr">255 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L256" class="LineNr">256 </span> 55/push-ebp
<span id="L257" class="LineNr">257 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L258" class="LineNr">258 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L259" class="LineNr">259 </span> 51/push-ecx
<span id="L260" class="LineNr">260 </span> 52/push-edx
<span id="L261" class="LineNr">261 </span> 53/push-ebx
<span id="L262" class="LineNr">262 </span> 56/push-esi
<span id="L263" class="LineNr">263 </span> 57/push-edi
<span id="L264" class="LineNr">264 </span> <span class="subxComment"># esi = s</span>
<span id="L265" class="LineNr">265 </span> 8b/-&gt; *(ebp+0xc) 6/r32/esi
<span id="L266" class="LineNr">266 </span> <span class="subxComment"># var curr/ecx: (addr byte) = s-&gt;data</span>
<span id="L267" class="LineNr">267 </span> 8d/copy-address *(esi+4) 1/r32/ecx
<span id="L268" class="LineNr">268 </span> <span class="subxComment"># var end/edx: (addr byte) = &amp;s-&gt;data[s-&gt;length]</span>
<span id="L269" class="LineNr">269 </span> <span class="subxS1Comment"># . edx = s-&gt;length</span>
<span id="L270" class="LineNr">270 </span> 8b/-&gt; *esi 2/r32/edx
<span id="L271" class="LineNr">271 </span> <span class="subxS1Comment"># . edx += curr</span>
<span id="L272" class="LineNr">272 </span> 01/add %edx 1/r32/ecx
<span id="L273" class="LineNr">273 </span> <span class="subxComment"># var size/ebx: int = 0</span>
<span id="L274" class="LineNr">274 </span> 31/xor %ebx 3/r32/ebx
<span id="L275" class="LineNr">275 </span><span class="Constant">$parse-array-of-ints:loop1</span>:
<span id="L276" class="LineNr">276 </span> <span class="subxComment"># if (curr &gt;= end) break</span>
<span id="L277" class="LineNr">277 </span> 39/compare %ecx 2/r32/edx
<span id="L278" class="LineNr">278 </span> 73/jump-if-addr&gt;= $parse-array-of-ints:break1/disp8
<span id="L279" class="LineNr">279 </span> <span class="subxComment"># curr = skip-chars-matching-in-slice(curr, end, ' ')</span>
<span id="L280" class="LineNr">280 </span> <span class="subxS1Comment"># . eax = skip-chars-matching-in-slice(curr, end, ' ')</span>
<span id="L281" class="LineNr">281 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L282" class="LineNr">282 </span> 68/push 0x20/imm32/space
<span id="L283" class="LineNr">283 </span> 52/push-edx
<span id="L284" class="LineNr">284 </span> 51/push-ecx
<span id="L285" class="LineNr">285 </span> <span class="subxS2Comment"># . . call</span>
<span id="L286" class="LineNr">286 </span> e8/call <a href='073next-token.subx.html#L804'>skip-chars-matching-in-slice</a>/disp32
<span id="L287" class="LineNr">287 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L288" class="LineNr">288 </span> 81 0/subop/add %esp 0xc/imm32
<span id="L289" class="LineNr">289 </span> <span class="subxS1Comment"># . ecx = eax</span>
<span id="L290" class="LineNr">290 </span> 89/&lt;- %ecx 0/r32/eax
<span id="L291" class="LineNr">291 </span> <span class="subxComment"># if (curr &gt;= end) break</span>
<span id="L292" class="LineNr">292 </span> 39/compare %ecx 2/r32/edx
<span id="L293" class="LineNr">293 </span> 73/jump-if-addr&gt;= $parse-array-of-ints:break1/disp8
<span id="L294" class="LineNr">294 </span> <span class="subxComment"># curr = skip-chars-not-matching-in-slice(curr, end, ' ')</span>
<span id="L295" class="LineNr">295 </span> <span class="subxS1Comment"># . eax = skip-chars-not-matching-in-slice(curr, end, ' ')</span>
<span id="L296" class="LineNr">296 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L297" class="LineNr">297 </span> 68/push 0x20/imm32/space
<span id="L298" class="LineNr">298 </span> 52/push-edx
<span id="L299" class="LineNr">299 </span> 51/push-ecx
<span id="L300" class="LineNr">300 </span> <span class="subxS2Comment"># . . call</span>
<span id="L301" class="LineNr">301 </span> e8/call <a href='073next-token.subx.html#L973'>skip-chars-not-matching-in-slice</a>/disp32
<span id="L302" class="LineNr">302 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L303" class="LineNr">303 </span> 81 0/subop/add %esp 0xc/imm32
<span id="L304" class="LineNr">304 </span> <span class="subxS1Comment"># . ecx = eax</span>
<span id="L305" class="LineNr">305 </span> 89/&lt;- %ecx 0/r32/eax
<span id="L306" class="LineNr">306 </span> <span class="subxComment"># size += 4</span>
<span id="L307" class="LineNr">307 </span> 81 0/subop/add %ebx 4/imm32
<span id="L308" class="LineNr">308 </span> eb/jump $parse-array-of-ints:loop1/disp8
<span id="L309" class="LineNr">309 </span><span class="Constant">$parse-array-of-ints:break1</span>:
<span id="L310" class="LineNr">310 </span> <span class="subxComment"># var result/edi: (handle array int) = allocate(ad, size+4)</span>
<span id="L311" class="LineNr">311 </span> <span class="subxS1Comment"># . eax = allocate(ad, size+4)</span>
<span id="L312" class="LineNr">312 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L313" class="LineNr">313 </span> 89/&lt;- %eax 3/r32/ebx
<span id="L314" class="LineNr">314 </span> 05/add-to-eax 4/imm32
<span id="L315" class="LineNr">315 </span> 50/push-eax
<span id="L316" class="LineNr">316 </span> ff 6/subop/push *(ebp+8)
<span id="L317" class="LineNr">317 </span> <span class="subxS2Comment"># . . call</span>
<span id="L318" class="LineNr">318 </span> e8/call <a href='069allocate.subx.html#L59'>allocate</a>/disp32
<span id="L319" class="LineNr">319 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L320" class="LineNr">320 </span> 81 0/subop/add %esp 8/imm32
<span id="L321" class="LineNr">321 </span> <span class="subxS1Comment"># . edi = eax</span>
<span id="L322" class="LineNr">322 </span> 89/&lt;- %edi 0/r32/eax
<span id="L323" class="LineNr">323 </span> <span class="subxComment"># result-&gt;size = size</span>
<span id="L324" class="LineNr">324 </span> 89/&lt;- *eax 3/r32/ebx
<span id="L325" class="LineNr">325 </span><span class="Constant">$parse-array-of-ints:pass2</span>:
<span id="L326" class="LineNr">326 </span> <span class="subxComment"># var slice/ecx: slice = {s-&gt;data, 0}</span>
<span id="L327" class="LineNr">327 </span> 68/push 0/imm32/end
<span id="L328" class="LineNr">328 </span> 8d/copy-address *(esi+4) 1/r32/ecx
<span id="L329" class="LineNr">329 </span> 51/push-ecx
<span id="L330" class="LineNr">330 </span> 89/&lt;- %ecx 4/r32/esp
<span id="L331" class="LineNr">331 </span> <span class="subxComment"># var out/ebx: (addr byte) = result-&gt;data</span>
<span id="L332" class="LineNr">332 </span> 8d/copy-address *(eax+4) 3/r32/ebx
<span id="L333" class="LineNr">333 </span><span class="Constant">$parse-array-of-ints:loop2</span>:
<span id="L334" class="LineNr">334 </span> <span class="subxComment"># if (slice-&gt;start &gt;= end) break</span>
<span id="L335" class="LineNr">335 </span> 39/compare *ecx 2/r32/edx
<span id="L336" class="LineNr">336 </span> 73/jump-if-addr&gt;= $parse-array-of-ints:end/disp8
<span id="L337" class="LineNr">337 </span> <span class="subxComment"># slice-&gt;start = skip-chars-matching-in-slice(slice-&gt;start, end, ' ')</span>
<span id="L338" class="LineNr">338 </span> <span class="subxS1Comment"># . eax = skip-chars-matching-in-slice(slice-&gt;start, end, ' ')</span>
<span id="L339" class="LineNr">339 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L340" class="LineNr">340 </span> 68/push 0x20/imm32/space
<span id="L341" class="LineNr">341 </span> 52/push-edx
<span id="L342" class="LineNr">342 </span> ff 6/subop/push *ecx
<span id="L343" class="LineNr">343 </span> <span class="subxS2Comment"># . . call</span>
<span id="L344" class="LineNr">344 </span> e8/call <a href='073next-token.subx.html#L804'>skip-chars-matching-in-slice</a>/disp32
<span id="L345" class="LineNr">345 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L346" class="LineNr">346 </span> 81 0/subop/add %esp 0xc/imm32
<span id="L347" class="LineNr">347 </span> <span class="subxS1Comment"># . slice-&gt;start = eax</span>
<span id="L348" class="LineNr">348 </span> 89/&lt;- *ecx 0/r32/eax
<span id="L349" class="LineNr">349 </span> <span class="subxComment"># if (slice-&gt;start &gt;= end) break</span>
<span id="L350" class="LineNr">350 </span> 39/compare *ecx 2/r32/edx
<span id="L351" class="LineNr">351 </span> 73/jump-if-addr&gt;= $parse-array-of-ints:end/disp8
<span id="L352" class="LineNr">352 </span> <span class="subxComment"># slice-&gt;end = skip-chars-not-matching-in-slice(slice-&gt;start, end, ' ')</span>
<span id="L353" class="LineNr">353 </span> <span class="subxS1Comment"># . eax = skip-chars-not-matching-in-slice(curr, end, ' ')</span>
<span id="L354" class="LineNr">354 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L355" class="LineNr">355 </span> 68/push 0x20/imm32/space
<span id="L356" class="LineNr">356 </span> 52/push-edx
<span id="L357" class="LineNr">357 </span> 50/push-eax
<span id="L358" class="LineNr">358 </span> <span class="subxS2Comment"># . . call</span>
<span id="L359" class="LineNr">359 </span> e8/call <a href='073next-token.subx.html#L973'>skip-chars-not-matching-in-slice</a>/disp32
<span id="L360" class="LineNr">360 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L361" class="LineNr">361 </span> 81 0/subop/add %esp 0xc/imm32
<span id="L362" class="LineNr">362 </span> <span class="subxS1Comment"># . slice-&gt;end = eax</span>
<span id="L363" class="LineNr">363 </span> 89/&lt;- *(ecx+4) 0/r32/eax
<span id="L364" class="LineNr">364 </span> <span class="subxComment"># *out = parse-hex-int-from-slice(slice)</span>
<span id="L365" class="LineNr">365 </span> <span class="subxS1Comment"># . eax = parse-hex-int-from-slice(slice)</span>
<span id="L366" class="LineNr">366 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L367" class="LineNr">367 </span> 51/push-ecx
<span id="L368" class="LineNr">368 </span> <span class="subxS2Comment"># . . call</span>
<span id="L369" class="LineNr">369 </span> e8/call <a href='067parse-hex.subx.html#L387'>parse-hex-int-from-slice</a>/disp32
<span id="L370" class="LineNr">370 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L371" class="LineNr">371 </span> 81 0/subop/add %esp 4/imm32
<span id="L372" class="LineNr">372 </span> <span class="subxS1Comment"># . *out = eax</span>
<span id="L373" class="LineNr">373 </span> 89/&lt;- *ebx 0/r32/eax
<span id="L374" class="LineNr">374 </span> <span class="subxComment"># out += 4</span>
<span id="L375" class="LineNr">375 </span> 81 0/subop/add %ebx 4/imm32
<span id="L376" class="LineNr">376 </span> <span class="subxComment"># slice-&gt;start = slice-&gt;end</span>
<span id="L377" class="LineNr">377 </span> 8b/-&gt; *(ecx+4) 0/r32/eax
<span id="L378" class="LineNr">378 </span> 89/&lt;- *ecx 0/r32/eax
<span id="L379" class="LineNr">379 </span> 81 0/subop/add %ecx 4/imm32
<span id="L380" class="LineNr">380 </span> eb/jump $parse-array-of-ints:loop2/disp8
<span id="L381" class="LineNr">381 </span><span class="Constant">$parse-array-of-ints:end</span>:
<span id="L382" class="LineNr">382 </span> <span class="subxComment"># return edi</span>
<span id="L383" class="LineNr">383 </span> 89/&lt;- %eax 7/r32/edi
<span id="L384" class="LineNr">384 </span> <span class="subxS1Comment"># . reclaim locals</span>
<span id="L385" class="LineNr">385 </span> 81 0/subop/add %esp 8/imm32
<span id="L386" class="LineNr">386 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L387" class="LineNr">387 </span> 5f/pop-to-edi
<span id="L388" class="LineNr">388 </span> 5e/pop-to-esi
<span id="L389" class="LineNr">389 </span> 5b/pop-to-ebx
<span id="L390" class="LineNr">390 </span> 5a/pop-to-edx
<span id="L391" class="LineNr">391 </span> 59/pop-to-ecx
<span id="L392" class="LineNr">392 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L393" class="LineNr">393 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L394" class="LineNr">394 </span> 5d/pop-to-ebp
<span id="L395" class="LineNr">395 </span> c3/return
<span id="L396" class="LineNr">396 </span>
<span id="L397" class="LineNr">397 </span><span class="subxTest">test-parse-array-of-ints</span>:
<span id="L398" class="LineNr">398 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L399" class="LineNr">399 </span> 55/push-ebp
<span id="L400" class="LineNr">400 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L401" class="LineNr">401 </span> <span class="subxComment"># var ecx: (array int) = [1, 2, 3]</span>
<span id="L402" class="LineNr">402 </span> 68/push 3/imm32
<span id="L403" class="LineNr">403 </span> 68/push 2/imm32
<span id="L404" class="LineNr">404 </span> 68/push 1/imm32
<span id="L405" class="LineNr">405 </span> 68/push 0xc/imm32/size
<span id="L406" class="LineNr">406 </span> 89/&lt;- %ecx 4/r32/esp
<span id="L407" class="LineNr">407 </span> <span class="subxComment"># eax = parse-array-of-ints(Heap, &quot;1 2 3&quot;)</span>
<span id="L408" class="LineNr">408 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L409" class="LineNr">409 </span> 68/push <span class="Constant">&quot;1 2 3&quot;</span>/imm32
<span id="L410" class="LineNr">410 </span> 68/push <span class="SpecialChar"><a href='069allocate.subx.html#L22'>Heap</a></span>/imm32
<span id="L411" class="LineNr">411 </span> <span class="subxS2Comment"># . . call</span>
<span id="L412" class="LineNr">412 </span> e8/call <a href='100array-equal.subx.html#L230'>parse-array-of-ints</a>/disp32
<span id="L413" class="LineNr">413 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L414" class="LineNr">414 </span> 81 0/subop/add %esp 8/imm32
<span id="L415" class="LineNr">415 </span> <span class="subxComment"># eax = array-equal?(ecx, eax)</span>
<span id="L416" class="LineNr">416 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L417" class="LineNr">417 </span> 50/push-eax
<span id="L418" class="LineNr">418 </span> 51/push-ecx
<span id="L419" class="LineNr">419 </span> <span class="subxS2Comment"># . . call</span>
<span id="L420" class="LineNr">420 </span> e8/call <a href='100array-equal.subx.html#L5'>array-equal?</a>/disp32
<span id="L421" class="LineNr">421 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L422" class="LineNr">422 </span> 81 0/subop/add %esp 8/imm32
<span id="L423" class="LineNr">423 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span>
<span id="L424" class="LineNr">424 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L425" class="LineNr">425 </span> 68/push <span class="Constant">&quot;F - test-parse-array-of-ints&quot;</span>/imm32
<span id="L426" class="LineNr">426 </span> 68/push 1/imm32/true
<span id="L427" class="LineNr">427 </span> 50/push-eax
<span id="L428" class="LineNr">428 </span> <span class="subxS2Comment"># . . call</span>
<span id="L429" class="LineNr">429 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L430" class="LineNr">430 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L431" class="LineNr">431 </span> 81 0/subop/add %esp 0xc/imm32
<span id="L432" class="LineNr">432 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L433" class="LineNr">433 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L434" class="LineNr">434 </span> 5d/pop-to-ebp
<span id="L435" class="LineNr">435 </span> c3/return
<span id="L436" class="LineNr">436 </span>
<span id="L437" class="LineNr">437 </span><span class="subxTest">test-parse-array-of-ints-empty</span>:
<span id="L438" class="LineNr">438 </span> <span class="subxH1Comment"># - empty string = empty array</span>
<span id="L439" class="LineNr">439 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L440" class="LineNr">440 </span> 55/push-ebp
<span id="L441" class="LineNr">441 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L442" class="LineNr">442 </span> <span class="subxComment"># eax = parse-array-of-ints(Heap, &quot;&quot;)</span>
<span id="L443" class="LineNr">443 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L444" class="LineNr">444 </span> 68/push <span class="Constant">&quot;&quot;</span>/imm32
<span id="L445" class="LineNr">445 </span> 68/push <span class="SpecialChar"><a href='069allocate.subx.html#L22'>Heap</a></span>/imm32
<span id="L446" class="LineNr">446 </span> <span class="subxS2Comment"># . . call</span>
<span id="L447" class="LineNr">447 </span> e8/call <a href='100array-equal.subx.html#L230'>parse-array-of-ints</a>/disp32
<span id="L448" class="LineNr">448 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L449" class="LineNr">449 </span> 81 0/subop/add %esp 8/imm32
<span id="L450" class="LineNr">450 </span> <span class="subxComment"># check-ints-equal(*eax, 0, msg)</span>
<span id="L451" class="LineNr">451 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L452" class="LineNr">452 </span> 68/push <span class="Constant">&quot;F - test-parse-array-of-ints-empty&quot;</span>/imm32
<span id="L453" class="LineNr">453 </span> 68/push 0/imm32/size
<span id="L454" class="LineNr">454 </span> ff 6/subop/push *eax
<span id="L455" class="LineNr">455 </span> <span class="subxS2Comment"># . . call</span>
<span id="L456" class="LineNr">456 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L457" class="LineNr">457 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L458" class="LineNr">458 </span> 81 0/subop/add %esp 0xc/imm32
<span id="L459" class="LineNr">459 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L460" class="LineNr">460 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L461" class="LineNr">461 </span> 5d/pop-to-ebp
<span id="L462" class="LineNr">462 </span> c3/return
<span id="L463" class="LineNr">463 </span>
<span id="L464" class="LineNr">464 </span><span class="subxTest">test-parse-array-of-ints-just-whitespace</span>:
<span id="L465" class="LineNr">465 </span> <span class="subxH1Comment"># - just whitespace = empty array</span>
<span id="L466" class="LineNr">466 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L467" class="LineNr">467 </span> 55/push-ebp
<span id="L468" class="LineNr">468 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L469" class="LineNr">469 </span> <span class="subxComment"># eax = parse-array-of-ints(Heap, &quot; &quot;)</span>
<span id="L470" class="LineNr">470 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L471" class="LineNr">471 </span> 68/push <span class="SpecialChar"><a href='051test.subx.html#L94'>Space</a></span>/imm32
<span id="L472" class="LineNr">472 </span> 68/push <span class="SpecialChar"><a href='069allocate.subx.html#L22'>Heap</a></span>/imm32
<span id="L473" class="LineNr">473 </span> <span class="subxS2Comment"># . . call</span>
<span id="L474" class="LineNr">474 </span> e8/call <a href='100array-equal.subx.html#L230'>parse-array-of-ints</a>/disp32
<span id="L475" class="LineNr">475 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L476" class="LineNr">476 </span> 81 0/subop/add %esp 8/imm32
<span id="L477" class="LineNr">477 </span> <span class="subxComment"># check-ints-equal(*eax, 0, msg)</span>
<span id="L478" class="LineNr">478 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L479" class="LineNr">479 </span> 68/push <span class="Constant">&quot;F - test-parse-array-of-ints-empty&quot;</span>/imm32
<span id="L480" class="LineNr">480 </span> 68/push 0/imm32/size
<span id="L481" class="LineNr">481 </span> ff 6/subop/push *eax
<span id="L482" class="LineNr">482 </span> <span class="subxS2Comment"># . . call</span>
<span id="L483" class="LineNr">483 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L484" class="LineNr">484 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L485" class="LineNr">485 </span> 81 0/subop/add %esp 0xc/imm32
<span id="L486" class="LineNr">486 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L487" class="LineNr">487 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L488" class="LineNr">488 </span> 5d/pop-to-ebp
<span id="L489" class="LineNr">489 </span> c3/return
<span id="L490" class="LineNr">490 </span>
<span id="L491" class="LineNr">491 </span><span class="subxTest">test-parse-array-of-ints-extra-whitespace</span>:
<span id="L492" class="LineNr">492 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L493" class="LineNr">493 </span> 55/push-ebp
<span id="L494" class="LineNr">494 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L495" class="LineNr">495 </span> <span class="subxComment"># var ecx: (array int) = [1, 2, 3]</span>
<span id="L496" class="LineNr">496 </span> 68/push 3/imm32
<span id="L497" class="LineNr">497 </span> 68/push 2/imm32
<span id="L498" class="LineNr">498 </span> 68/push 1/imm32
<span id="L499" class="LineNr">499 </span> 68/push 0xc/imm32/size
<span id="L500" class="LineNr">500 </span> 89/&lt;- %ecx 4/r32/esp
<span id="L501" class="LineNr">501 </span> <span class="subxComment"># eax = parse-array-of-ints(Heap, &quot; 1 2 3 &quot;)</span>
<span id="L502" class="LineNr">502 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L503" class="LineNr">503 </span> 68/push <span class="Constant">&quot; 1 2 3 &quot;</span>/imm32
<span id="L504" class="LineNr">504 </span> 68/push <span class="SpecialChar"><a href='069allocate.subx.html#L22'>Heap</a></span>/imm32
<span id="L505" class="LineNr">505 </span> <span class="subxS2Comment"># . . call</span>
<span id="L506" class="LineNr">506 </span> e8/call <a href='100array-equal.subx.html#L230'>parse-array-of-ints</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 %esp 8/imm32
<span id="L509" class="LineNr">509 </span> <span class="subxComment"># eax = array-equal?(ecx, eax)</span>
<span id="L510" class="LineNr">510 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L511" class="LineNr">511 </span> 50/push-eax
<span id="L512" class="LineNr">512 </span> 51/push-ecx
<span id="L513" class="LineNr">513 </span> <span class="subxS2Comment"># . . call</span>
<span id="L514" class="LineNr">514 </span> e8/call <a href='100array-equal.subx.html#L5'>array-equal?</a>/disp32
<span id="L515" class="LineNr">515 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L516" class="LineNr">516 </span> 81 0/subop/add %esp 8/imm32
<span id="L517" class="LineNr">517 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span>
<span id="L518" class="LineNr">518 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L519" class="LineNr">519 </span> 68/push <span class="Constant">&quot;F - test-parse-array-of-ints-extra-whitespace&quot;</span>/imm32
<span id="L520" class="LineNr">520 </span> 68/push 1/imm32/true
<span id="L521" class="LineNr">521 </span> 50/push-eax
<span id="L522" class="LineNr">522 </span> <span class="subxS2Comment"># . . call</span>
<span id="L523" class="LineNr">523 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L524" class="LineNr">524 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L525" class="LineNr">525 </span> 81 0/subop/add %esp 0xc/imm32
<span id="L526" class="LineNr">526 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L527" class="LineNr">527 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L528" class="LineNr">528 </span> 5d/pop-to-ebp
<span id="L529" class="LineNr">529 </span> c3/return
<span id="L530" class="LineNr">530 </span>
<span id="L531" class="LineNr">531 </span><span class="subxComment"># helper for later tests</span>
<span id="L532" class="LineNr">532 </span><span class="subxComment"># compare an array with a string representation of an array literal</span>
<span id="L533" class="LineNr">533 </span><span class="subxFunction">check-array-equal</span>: <span class="subxComment"># a: (addr array int), expected: (addr string), msg: (addr string)</span>
<span id="L534" class="LineNr">534 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L535" class="LineNr">535 </span> 55/push-ebp
<span id="L536" class="LineNr">536 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L537" class="LineNr">537 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L538" class="LineNr">538 </span> 50/push-eax
<span id="L539" class="LineNr">539 </span> <span class="subxComment"># var b/ecx: (handle array int) = parse-array-of-ints(Heap, expected)</span>
<span id="L540" class="LineNr">540 </span> <span class="subxS1Comment"># . eax = parse-array-of-ints(Heap, expected)</span>
<span id="L541" class="LineNr">541 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L542" class="LineNr">542 </span> ff 6/subop/push *(ebp+0xc)
<span id="L543" class="LineNr">543 </span> 68/push <span class="SpecialChar"><a href='069allocate.subx.html#L22'>Heap</a></span>/imm32
<span id="L544" class="LineNr">544 </span> <span class="subxS2Comment"># . . call</span>
<span id="L545" class="LineNr">545 </span> e8/call <a href='100array-equal.subx.html#L230'>parse-array-of-ints</a>/disp32
<span id="L546" class="LineNr">546 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L547" class="LineNr">547 </span> 81 0/subop/add %esp 8/imm32
<span id="L548" class="LineNr">548 </span> <span class="subxS1Comment"># . b = eax</span>
<span id="L549" class="LineNr">549 </span> 89/&lt;- %ecx 0/r32/eax
<span id="L550" class="LineNr">550 </span> <span class="subxComment"># eax = array-equal?(a, b)</span>
<span id="L551" class="LineNr">551 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L552" class="LineNr">552 </span> 51/push-ecx
<span id="L553" class="LineNr">553 </span> ff 6/subop/push *(ebp+8)
<span id="L554" class="LineNr">554 </span> <span class="subxS2Comment"># . . call</span>
<span id="L555" class="LineNr">555 </span> e8/call <a href='100array-equal.subx.html#L5'>array-equal?</a>/disp32
<span id="L556" class="LineNr">556 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L557" class="LineNr">557 </span> 81 0/subop/add %esp 8/imm32
<span id="L558" class="LineNr">558 </span> <span class="subxComment"># check-ints-equal(eax, 1, msg)</span>
<span id="L559" class="LineNr">559 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L560" class="LineNr">560 </span> ff 6/subop/push *(ebp+0x10)
<span id="L561" class="LineNr">561 </span> 68/push 1/imm32
<span id="L562" class="LineNr">562 </span> 50/push-eax
<span id="L563" class="LineNr">563 </span> <span class="subxS2Comment"># . . call</span>
<span id="L564" class="LineNr">564 </span> e8/call <a href='051test.subx.html#L24'>check-ints-equal</a>/disp32
<span id="L565" class="LineNr">565 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L566" class="LineNr">566 </span> 81 0/subop/add %esp 0xc/imm32
<span id="L567" class="LineNr">567 </span><span class="Constant">$check-array-equal:end</span>:
<span id="L568" class="LineNr">568 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L569" class="LineNr">569 </span> 58/pop-to-eax
<span id="L570" class="LineNr">570 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L571" class="LineNr">571 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L572" class="LineNr">572 </span> 5d/pop-to-ebp
<span id="L573" class="LineNr">573 </span> c3/return
<span id="L574" class="LineNr">574 </span>
<span id="L575" class="LineNr">575 </span><span class="subxTest">test-check-array-equal</span>:
<span id="L576" class="LineNr">576 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L577" class="LineNr">577 </span> 55/push-ebp
<span id="L578" class="LineNr">578 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L579" class="LineNr">579 </span> <span class="subxComment"># var ecx: (array int) = [1, 2, 3]</span>
<span id="L580" class="LineNr">580 </span> 68/push 3/imm32
<span id="L581" class="LineNr">581 </span> 68/push 2/imm32
<span id="L582" class="LineNr">582 </span> 68/push 1/imm32
<span id="L583" class="LineNr">583 </span> 68/push 0xc/imm32/size
<span id="L584" class="LineNr">584 </span> 89/&lt;- %ecx 4/r32/esp
<span id="L585" class="LineNr">585 </span> <span class="subxComment"># check-array-equal(ecx, &quot;1 2 3&quot;, &quot;msg&quot;)</span>
<span id="L586" class="LineNr">586 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L587" class="LineNr">587 </span> 68/push <span class="Constant">&quot;F - test-check-array-equal&quot;</span>/imm32
<span id="L588" class="LineNr">588 </span> 68/push <span class="Constant">&quot;1 2 3&quot;</span>/imm32
<span id="L589" class="LineNr">589 </span> 51/push-ecx
<span id="L590" class="LineNr">590 </span> <span class="subxS2Comment"># . . call</span>
<span id="L591" class="LineNr">591 </span> e8/call <a href='100array-equal.subx.html#L533'>check-array-equal</a>/disp32
<span id="L592" class="LineNr">592 </span> <span class="subxS2Comment"># . . discard args</span>
<span id="L593" class="LineNr">593 </span> 81 0/subop/add %esp 8/imm32
<span id="L594" class="LineNr">594 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L595" class="LineNr">595 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L596" class="LineNr">596 </span> 5d/pop-to-ebp
<span id="L597" class="LineNr">597 </span> c3/return
<span id="L598" class="LineNr">598 </span>
<span id="L599" class="LineNr">599 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
<span id="L99" class="LineNr"> 99 </span> <span class="subxComment">#</span>
<span id="L100" class="LineNr">100 </span> (<a href='100array-equal.subx.html#L5'>array-equal?</a> %ecx %edx) <span class="subxComment"># =&gt; eax</span>
<span id="L101" class="LineNr">101 </span> (<a href='051test.subx.html#L24'>check-ints-equal</a> %eax 1 <span class="Constant">&quot;F - test-compare-empty-with-empty-array&quot;</span>)
<span id="L102" class="LineNr">102 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L103" class="LineNr">103 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L104" class="LineNr">104 </span> 5d/pop-to-ebp
<span id="L105" class="LineNr">105 </span> c3/return
<span id="L106" class="LineNr">106 </span>
<span id="L107" class="LineNr">107 </span><span class="subxTest">test-compare-empty-with-non-empty-array</span>: <span class="subxComment"># also checks size-mismatch code path</span>
<span id="L108" class="LineNr">108 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L109" class="LineNr">109 </span> 55/push-ebp
<span id="L110" class="LineNr">110 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L111" class="LineNr">111 </span> <span class="subxComment"># var ecx: (array int) = [1]</span>
<span id="L112" class="LineNr">112 </span> 68/push 1/imm32
<span id="L113" class="LineNr">113 </span> 68/push 4/imm32/size
<span id="L114" class="LineNr">114 </span> 89/&lt;- %ecx 4/r32/esp
<span id="L115" class="LineNr">115 </span> <span class="subxComment"># var edx: (array int) = []</span>
<span id="L116" class="LineNr">116 </span> 68/push 0/imm32/size
<span id="L117" class="LineNr">117 </span> 89/&lt;- %edx 4/r32/esp
<span id="L118" class="LineNr">118 </span> <span class="subxComment">#</span>
<span id="L119" class="LineNr">119 </span> (<a href='100array-equal.subx.html#L5'>array-equal?</a> %ecx %edx) <span class="subxComment"># =&gt; eax</span>
<span id="L120" class="LineNr">120 </span> (<a href='051test.subx.html#L24'>check-ints-equal</a> %eax 0 <span class="Constant">&quot;F - test-compare-empty-with-non-empty-array&quot;</span>)
<span id="L121" class="LineNr">121 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L122" class="LineNr">122 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L123" class="LineNr">123 </span> 5d/pop-to-ebp
<span id="L124" class="LineNr">124 </span> c3/return
<span id="L125" class="LineNr">125 </span>
<span id="L126" class="LineNr">126 </span><span class="subxTest">test-compare-equal-arrays</span>:
<span id="L127" class="LineNr">127 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L128" class="LineNr">128 </span> 55/push-ebp
<span id="L129" class="LineNr">129 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L130" class="LineNr">130 </span> <span class="subxComment"># var ecx: (array int) = [1, 2, 3]</span>
<span id="L131" class="LineNr">131 </span> 68/push 3/imm32
<span id="L132" class="LineNr">132 </span> 68/push 2/imm32
<span id="L133" class="LineNr">133 </span> 68/push 1/imm32
<span id="L134" class="LineNr">134 </span> 68/push 0xc/imm32/size
<span id="L135" class="LineNr">135 </span> 89/&lt;- %ecx 4/r32/esp
<span id="L136" class="LineNr">136 </span> <span class="subxComment"># var edx: (array int) = [1, 2, 3]</span>
<span id="L137" class="LineNr">137 </span> 68/push 3/imm32
<span id="L138" class="LineNr">138 </span> 68/push 2/imm32
<span id="L139" class="LineNr">139 </span> 68/push 1/imm32
<span id="L140" class="LineNr">140 </span> 68/push 0xc/imm32/size
<span id="L141" class="LineNr">141 </span> 89/&lt;- %edx 4/r32/esp
<span id="L142" class="LineNr">142 </span> <span class="subxComment">#</span>
<span id="L143" class="LineNr">143 </span> (<a href='100array-equal.subx.html#L5'>array-equal?</a> %ecx %edx) <span class="subxComment"># =&gt; eax</span>
<span id="L144" class="LineNr">144 </span> (<a href='051test.subx.html#L24'>check-ints-equal</a> %eax 1 <span class="Constant">&quot;F - test-compare-equal-arrays&quot;</span>)
<span id="L145" class="LineNr">145 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L146" class="LineNr">146 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L147" class="LineNr">147 </span> 5d/pop-to-ebp
<span id="L148" class="LineNr">148 </span> c3/return
<span id="L149" class="LineNr">149 </span>
<span id="L150" class="LineNr">150 </span><span class="subxTest">test-compare-inequal-arrays-equal-sizes</span>:
<span id="L151" class="LineNr">151 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L152" class="LineNr">152 </span> 55/push-ebp
<span id="L153" class="LineNr">153 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L154" class="LineNr">154 </span> <span class="subxComment"># var ecx: (array int) = [1, 4, 3]</span>
<span id="L155" class="LineNr">155 </span> 68/push 3/imm32
<span id="L156" class="LineNr">156 </span> 68/push 4/imm32
<span id="L157" class="LineNr">157 </span> 68/push 1/imm32
<span id="L158" class="LineNr">158 </span> 68/push 0xc/imm32/size
<span id="L159" class="LineNr">159 </span> 89/&lt;- %ecx 4/r32/esp
<span id="L160" class="LineNr">160 </span> <span class="subxComment"># var edx: (array int) = [1, 2, 3]</span>
<span id="L161" class="LineNr">161 </span> 68/push 3/imm32
<span id="L162" class="LineNr">162 </span> 68/push 2/imm32
<span id="L163" class="LineNr">163 </span> 68/push 1/imm32
<span id="L164" class="LineNr">164 </span> 68/push 0xc/imm32/size
<span id="L165" class="LineNr">165 </span> 89/&lt;- %edx 4/r32/esp
<span id="L166" class="LineNr">166 </span> <span class="subxComment">#</span>
<span id="L167" class="LineNr">167 </span> (<a href='100array-equal.subx.html#L5'>array-equal?</a> %ecx %edx) <span class="subxComment"># =&gt; eax</span>
<span id="L168" class="LineNr">168 </span> (<a href='051test.subx.html#L24'>check-ints-equal</a> %eax 0 <span class="Constant">&quot;F - test-compare-inequal-arrays-equal-sizes&quot;</span>)
<span id="L169" class="LineNr">169 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L170" class="LineNr">170 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L171" class="LineNr">171 </span> 5d/pop-to-ebp
<span id="L172" class="LineNr">172 </span> c3/return
<span id="L173" class="LineNr">173 </span>
<span id="L174" class="LineNr">174 </span><span class="subxFunction">parse-array-of-ints</span>: <span class="subxComment"># ad: (addr allocation-descriptor), s: (addr string), out: (addr handle array int)</span>
<span id="L175" class="LineNr">175 </span> <span class="subxComment"># pseudocode</span>
<span id="L176" class="LineNr">176 </span> <span class="subxComment"># end = &amp;s-&gt;data[s-&gt;size]</span>
<span id="L177" class="LineNr">177 </span> <span class="subxComment"># curr = s-&gt;data</span>
<span id="L178" class="LineNr">178 </span> <span class="subxComment"># size = 0</span>
<span id="L179" class="LineNr">179 </span> <span class="subxComment"># while true</span>
<span id="L180" class="LineNr">180 </span> <span class="subxComment"># if (curr &gt;= end) break</span>
<span id="L181" class="LineNr">181 </span> <span class="subxComment"># curr = skip-chars-matching-in-slice(curr, end, ' ')</span>
<span id="L182" class="LineNr">182 </span> <span class="subxComment"># if (curr &gt;= end) break</span>
<span id="L183" class="LineNr">183 </span> <span class="subxComment"># curr = skip-chars-not-matching-in-slice(curr, end, ' ')</span>
<span id="L184" class="LineNr">184 </span> <span class="subxComment"># ++size</span>
<span id="L185" class="LineNr">185 </span> <span class="subxComment"># allocate-array(ad, size*4, out)</span>
<span id="L186" class="LineNr">186 </span> <span class="subxComment"># var slice: slice = {s-&gt;data, 0}</span>
<span id="L187" class="LineNr">187 </span> <span class="subxComment"># curr = lookup(out)-&gt;data</span>
<span id="L188" class="LineNr">188 </span> <span class="subxComment"># while true</span>
<span id="L189" class="LineNr">189 </span> <span class="subxComment"># if (slice-&gt;start &gt;= end) break</span>
<span id="L190" class="LineNr">190 </span> <span class="subxComment"># slice-&gt;start = skip-chars-matching-in-slice(slice-&gt;start, end, ' ')</span>
<span id="L191" class="LineNr">191 </span> <span class="subxComment"># if (slice-&gt;start &gt;= end) break</span>
<span id="L192" class="LineNr">192 </span> <span class="subxComment"># slice-&gt;end = skip-chars-not-matching-in-slice(slice-&gt;start, end, ' ')</span>
<span id="L193" class="LineNr">193 </span> <span class="subxComment"># *curr = parse-hex-int-from-slice(slice)</span>
<span id="L194" class="LineNr">194 </span> <span class="subxComment"># curr += 4</span>
<span id="L195" class="LineNr">195 </span> <span class="subxComment"># slice-&gt;start = slice-&gt;end</span>
<span id="L196" class="LineNr">196 </span> <span class="subxComment"># return result</span>
<span id="L197" class="LineNr">197 </span> <span class="subxComment">#</span>
<span id="L198" class="LineNr">198 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L199" class="LineNr">199 </span> 55/push-ebp
<span id="L200" class="LineNr">200 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L201" class="LineNr">201 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L202" class="LineNr">202 </span> 50/push-eax
<span id="L203" class="LineNr">203 </span> 51/push-ecx
<span id="L204" class="LineNr">204 </span> 52/push-edx
<span id="L205" class="LineNr">205 </span> 53/push-ebx
<span id="L206" class="LineNr">206 </span> 56/push-esi
<span id="L207" class="LineNr">207 </span> 57/push-edi
<span id="L208" class="LineNr">208 </span> <span class="subxComment"># esi = s</span>
<span id="L209" class="LineNr">209 </span> 8b/-&gt; *(ebp+0xc) 6/r32/esi
<span id="L210" class="LineNr">210 </span> <span class="subxComment"># var curr/ecx: (addr byte) = s-&gt;data</span>
<span id="L211" class="LineNr">211 </span> 8d/copy-address *(esi+4) 1/r32/ecx
<span id="L212" class="LineNr">212 </span> <span class="subxComment"># var end/edx: (addr byte) = &amp;s-&gt;data[s-&gt;size]</span>
<span id="L213" class="LineNr">213 </span> <span class="subxS1Comment"># . edx = s-&gt;size</span>
<span id="L214" class="LineNr">214 </span> 8b/-&gt; *esi 2/r32/edx
<span id="L215" class="LineNr">215 </span> <span class="subxS1Comment"># . edx += curr</span>
<span id="L216" class="LineNr">216 </span> 01/add-to %edx 1/r32/ecx
<span id="L217" class="LineNr">217 </span> <span class="subxComment"># var size/ebx: int = 0</span>
<span id="L218" class="LineNr">218 </span> 31/xor-with %ebx 3/r32/ebx
<span id="L219" class="LineNr">219 </span><span class="Constant">$parse-array-of-ints:loop1</span>:
<span id="L220" class="LineNr">220 </span> <span class="subxComment"># if (curr &gt;= end) break</span>
<span id="L221" class="LineNr">221 </span> 39/compare %ecx 2/r32/edx
<span id="L222" class="LineNr">222 </span> 73/jump-if-addr&gt;= $parse-array-of-ints:break1/disp8
<span id="L223" class="LineNr">223 </span> <span class="subxComment"># curr = skip-chars-matching-in-slice(curr, end, ' ')</span>
<span id="L224" class="LineNr">224 </span> (<a href='073next-token.subx.html#L804'>skip-chars-matching-in-slice</a> %ecx %edx 0x20) <span class="subxComment"># =&gt; eax</span>
<span id="L225" class="LineNr">225 </span> 89/&lt;- %ecx 0/r32/eax
<span id="L226" class="LineNr">226 </span> <span class="subxComment"># if (curr &gt;= end) break</span>
<span id="L227" class="LineNr">227 </span> 39/compare %ecx 2/r32/edx
<span id="L228" class="LineNr">228 </span> 73/jump-if-addr&gt;= $parse-array-of-ints:break1/disp8
<span id="L229" class="LineNr">229 </span> <span class="subxComment"># curr = skip-chars-not-matching-in-slice(curr, end, ' ')</span>
<span id="L230" class="LineNr">230 </span> (<a href='073next-token.subx.html#L973'>skip-chars-not-matching-in-slice</a> %ecx %edx 0x20) <span class="subxComment"># =&gt; eax</span>
<span id="L231" class="LineNr">231 </span> 89/&lt;- %ecx 0/r32/eax
<span id="L232" class="LineNr">232 </span> <span class="subxComment"># size += 4</span>
<span id="L233" class="LineNr">233 </span> 81 0/subop/add %ebx 4/imm32
<span id="L234" class="LineNr">234 </span> eb/jump $parse-array-of-ints:loop1/disp8
<span id="L235" class="LineNr">235 </span><span class="Constant">$parse-array-of-ints:break1</span>:
<span id="L236" class="LineNr">236 </span> (<a href='069allocate.subx.html#L557'>allocate-array</a> *(ebp+8) %ebx *(ebp+0x10))
<span id="L237" class="LineNr">237 </span><span class="Constant">$parse-array-of-ints:pass2</span>:
<span id="L238" class="LineNr">238 </span> <span class="subxComment"># var slice/edi: slice = {s-&gt;data, 0}</span>
<span id="L239" class="LineNr">239 </span> 68/push 0/imm32/end
<span id="L240" class="LineNr">240 </span> 8d/copy-address *(esi+4) 7/r32/edi
<span id="L241" class="LineNr">241 </span> 57/push-edi
<span id="L242" class="LineNr">242 </span> 89/&lt;- %edi 4/r32/esp
<span id="L243" class="LineNr">243 </span> <span class="subxComment"># curr = lookup(out)-&gt;data</span>
<span id="L244" class="LineNr">244 </span> 8b/-&gt; *(ebp+0x10) 0/r32/eax
<span id="L245" class="LineNr">245 </span> (<a href='069allocate.subx.html#L258'>lookup</a> *eax *(eax+4)) <span class="subxComment"># =&gt; eax</span>
<span id="L246" class="LineNr">246 </span> 8d/copy-address *(eax+4) 1/r32/ecx
<span id="L247" class="LineNr">247 </span><span class="Constant">$parse-array-of-ints:loop2</span>:
<span id="L248" class="LineNr">248 </span> <span class="subxComment"># if (slice-&gt;start &gt;= end) break</span>
<span id="L249" class="LineNr">249 </span> 39/compare *edi 2/r32/edx
<span id="L250" class="LineNr">250 </span> 73/jump-if-addr&gt;= $parse-array-of-ints:end/disp8
<span id="L251" class="LineNr">251 </span> <span class="subxComment"># slice-&gt;start = skip-chars-matching-in-slice(slice-&gt;start, end, ' ')</span>
<span id="L252" class="LineNr">252 </span> (<a href='073next-token.subx.html#L804'>skip-chars-matching-in-slice</a> *edi %edx 0x20) <span class="subxComment"># =&gt; eax</span>
<span id="L253" class="LineNr">253 </span> 89/&lt;- *edi 0/r32/eax
<span id="L254" class="LineNr">254 </span> <span class="subxComment"># if (slice-&gt;start &gt;= end) break</span>
<span id="L255" class="LineNr">255 </span> 39/compare *edi 2/r32/edx
<span id="L256" class="LineNr">256 </span> 73/jump-if-addr&gt;= $parse-array-of-ints:end/disp8
<span id="L257" class="LineNr">257 </span> <span class="subxComment"># slice-&gt;end = skip-chars-not-matching-in-slice(slice-&gt;start, end, ' ')</span>
<span id="L258" class="LineNr">258 </span> (<a href='073next-token.subx.html#L973'>skip-chars-not-matching-in-slice</a> *edi %edx 0x20) <span class="subxComment"># =&gt; eax</span>
<span id="L259" class="LineNr">259 </span> 89/&lt;- *(edi+4) 0/r32/eax
<span id="L260" class="LineNr">260 </span> <span class="subxComment"># *curr = parse-hex-int-from-slice(slice)</span>
<span id="L261" class="LineNr">261 </span> (<a href='067parse-hex.subx.html#L387'>parse-hex-int-from-slice</a> %edi)
<span id="L262" class="LineNr">262 </span> 89/&lt;- *ecx 0/r32/eax
<span id="L263" class="LineNr">263 </span> <span class="subxComment"># curr += 4</span>
<span id="L264" class="LineNr">264 </span> 81 0/subop/add %ecx 4/imm32
<span id="L265" class="LineNr">265 </span> <span class="subxComment"># slice-&gt;start = slice-&gt;end</span>
<span id="L266" class="LineNr">266 </span> 8b/-&gt; *(edi+4) 0/r32/eax
<span id="L267" class="LineNr">267 </span> 89/&lt;- *edi 0/r32/eax
<span id="L268" class="LineNr">268 </span> eb/jump $parse-array-of-ints:loop2/disp8
<span id="L269" class="LineNr">269 </span><span class="Constant">$parse-array-of-ints:end</span>:
<span id="L270" class="LineNr">270 </span> <span class="subxS1Comment"># . reclaim locals</span>
<span id="L271" class="LineNr">271 </span> 81 0/subop/add %esp 8/imm32
<span id="L272" class="LineNr">272 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L273" class="LineNr">273 </span> 5f/pop-to-edi
<span id="L274" class="LineNr">274 </span> 5e/pop-to-esi
<span id="L275" class="LineNr">275 </span> 5b/pop-to-ebx
<span id="L276" class="LineNr">276 </span> 5a/pop-to-edx
<span id="L277" class="LineNr">277 </span> 59/pop-to-ecx
<span id="L278" class="LineNr">278 </span> 58/pop-to-eax
<span id="L279" class="LineNr">279 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L280" class="LineNr">280 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L281" class="LineNr">281 </span> 5d/pop-to-ebp
<span id="L282" class="LineNr">282 </span> c3/return
<span id="L283" class="LineNr">283 </span>
<span id="L284" class="LineNr">284 </span><span class="subxTest">test-parse-array-of-ints</span>:
<span id="L285" class="LineNr">285 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L286" class="LineNr">286 </span> 55/push-ebp
<span id="L287" class="LineNr">287 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L288" class="LineNr">288 </span> <span class="subxComment"># var h/esi: (handle array int)</span>
<span id="L289" class="LineNr">289 </span> 68/push 0/imm32
<span id="L290" class="LineNr">290 </span> 68/push 0/imm32
<span id="L291" class="LineNr">291 </span> 89/&lt;- %esi 4/r32/esp
<span id="L292" class="LineNr">292 </span> <span class="subxComment"># var ecx: (array int) = [1, 2, 3]</span>
<span id="L293" class="LineNr">293 </span> 68/push 3/imm32
<span id="L294" class="LineNr">294 </span> 68/push 2/imm32
<span id="L295" class="LineNr">295 </span> 68/push 1/imm32
<span id="L296" class="LineNr">296 </span> 68/push 0xc/imm32/size
<span id="L297" class="LineNr">297 </span> 89/&lt;- %ecx 4/r32/esp
<span id="L298" class="LineNr">298 </span> <span class="subxComment">#</span>
<span id="L299" class="LineNr">299 </span> (<a href='100array-equal.subx.html#L174'>parse-array-of-ints</a> <span class="SpecialChar"><a href='069allocate.subx.html#L27'>Heap</a></span> <span class="Constant">&quot;1 2 3&quot;</span> %esi)
<span id="L300" class="LineNr">300 </span> (<a href='069allocate.subx.html#L258'>lookup</a> *esi *(esi+4)) <span class="subxComment"># =&gt; eax</span>
<span id="L301" class="LineNr">301 </span> (<a href='100array-equal.subx.html#L5'>array-equal?</a> %ecx %eax) <span class="subxComment"># =&gt; eax</span>
<span id="L302" class="LineNr">302 </span> (<a href='051test.subx.html#L24'>check-ints-equal</a> %eax 1 <span class="Constant">&quot;F - test-parse-array-of-ints&quot;</span>)
<span id="L303" class="LineNr">303 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L304" class="LineNr">304 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L305" class="LineNr">305 </span> 5d/pop-to-ebp
<span id="L306" class="LineNr">306 </span> c3/return
<span id="L307" class="LineNr">307 </span>
<span id="L308" class="LineNr">308 </span><span class="subxTest">test-parse-array-of-ints-empty</span>:
<span id="L309" class="LineNr">309 </span> <span class="subxH1Comment"># - empty string = empty array</span>
<span id="L310" class="LineNr">310 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L311" class="LineNr">311 </span> 55/push-ebp
<span id="L312" class="LineNr">312 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L313" class="LineNr">313 </span> <span class="subxComment"># var h/esi: handle</span>
<span id="L314" class="LineNr">314 </span> 68/push 0/imm32
<span id="L315" class="LineNr">315 </span> 68/push 0/imm32
<span id="L316" class="LineNr">316 </span> 89/&lt;- %esi 4/r32/esp
<span id="L317" class="LineNr">317 </span> <span class="subxComment">#</span>
<span id="L318" class="LineNr">318 </span> (<a href='100array-equal.subx.html#L174'>parse-array-of-ints</a> <span class="SpecialChar"><a href='069allocate.subx.html#L27'>Heap</a></span> <span class="Constant">&quot;&quot;</span> %esi)
<span id="L319" class="LineNr">319 </span> (<a href='069allocate.subx.html#L258'>lookup</a> *esi *(esi+4)) <span class="subxComment"># =&gt; eax</span>
<span id="L320" class="LineNr">320 </span> (<a href='051test.subx.html#L24'>check-ints-equal</a> *eax 0 <span class="Constant">&quot;F - test-parse-array-of-ints-empty&quot;</span>)
<span id="L321" class="LineNr">321 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L322" class="LineNr">322 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L323" class="LineNr">323 </span> 5d/pop-to-ebp
<span id="L324" class="LineNr">324 </span> c3/return
<span id="L325" class="LineNr">325 </span>
<span id="L326" class="LineNr">326 </span><span class="subxTest">test-parse-array-of-ints-just-whitespace</span>:
<span id="L327" class="LineNr">327 </span> <span class="subxH1Comment"># - just whitespace = empty array</span>
<span id="L328" class="LineNr">328 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L329" class="LineNr">329 </span> 55/push-ebp
<span id="L330" class="LineNr">330 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L331" class="LineNr">331 </span> <span class="subxComment"># var h/esi: handle</span>
<span id="L332" class="LineNr">332 </span> 68/push 0/imm32
<span id="L333" class="LineNr">333 </span> 68/push 0/imm32
<span id="L334" class="LineNr">334 </span> 89/&lt;- %esi 4/r32/esp
<span id="L335" class="LineNr">335 </span> <span class="subxComment">#</span>
<span id="L336" class="LineNr">336 </span> (<a href='100array-equal.subx.html#L174'>parse-array-of-ints</a> <span class="SpecialChar"><a href='069allocate.subx.html#L27'>Heap</a></span> <span class="SpecialChar"><a href='051test.subx.html#L94'>Space</a></span> %esi)
<span id="L337" class="LineNr">337 </span> (<a href='069allocate.subx.html#L258'>lookup</a> *esi *(esi+4)) <span class="subxComment"># =&gt; eax</span>
<span id="L338" class="LineNr">338 </span> (<a href='051test.subx.html#L24'>check-ints-equal</a> *eax 0 <span class="Constant">&quot;F - test-parse-array-of-ints-just-whitespace&quot;</span>)
<span id="L339" class="LineNr">339 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L340" class="LineNr">340 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L341" class="LineNr">341 </span> 5d/pop-to-ebp
<span id="L342" class="LineNr">342 </span> c3/return
<span id="L343" class="LineNr">343 </span>
<span id="L344" class="LineNr">344 </span><span class="subxTest">test-parse-array-of-ints-extra-whitespace</span>:
<span id="L345" class="LineNr">345 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L346" class="LineNr">346 </span> 55/push-ebp
<span id="L347" class="LineNr">347 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L348" class="LineNr">348 </span> <span class="subxComment"># var h/esi: handle</span>
<span id="L349" class="LineNr">349 </span> 68/push 0/imm32
<span id="L350" class="LineNr">350 </span> 68/push 0/imm32
<span id="L351" class="LineNr">351 </span> 89/&lt;- %esi 4/r32/esp
<span id="L352" class="LineNr">352 </span> <span class="subxComment"># var ecx: (array int) = [1, 2, 3]</span>
<span id="L353" class="LineNr">353 </span> 68/push 3/imm32
<span id="L354" class="LineNr">354 </span> 68/push 2/imm32
<span id="L355" class="LineNr">355 </span> 68/push 1/imm32
<span id="L356" class="LineNr">356 </span> 68/push 0xc/imm32/size
<span id="L357" class="LineNr">357 </span> 89/&lt;- %ecx 4/r32/esp
<span id="L358" class="LineNr">358 </span> <span class="subxComment">#</span>
<span id="L359" class="LineNr">359 </span> (<a href='100array-equal.subx.html#L174'>parse-array-of-ints</a> <span class="SpecialChar"><a href='069allocate.subx.html#L27'>Heap</a></span> <span class="Constant">&quot; 1 2 3 &quot;</span> %esi)
<span id="L360" class="LineNr">360 </span> (<a href='069allocate.subx.html#L258'>lookup</a> *esi *(esi+4)) <span class="subxComment"># =&gt; eax</span>
<span id="L361" class="LineNr">361 </span> (<a href='100array-equal.subx.html#L5'>array-equal?</a> %ecx %eax) <span class="subxComment"># =&gt; eax</span>
<span id="L362" class="LineNr">362 </span> (<a href='051test.subx.html#L24'>check-ints-equal</a> %eax 1 <span class="Constant">&quot;F - test-parse-array-of-ints-extra-whitespace&quot;</span>)
<span id="L363" class="LineNr">363 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L364" class="LineNr">364 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L365" class="LineNr">365 </span> 5d/pop-to-ebp
<span id="L366" class="LineNr">366 </span> c3/return
<span id="L367" class="LineNr">367 </span>
<span id="L368" class="LineNr">368 </span><span class="subxComment"># helper for later tests</span>
<span id="L369" class="LineNr">369 </span><span class="subxComment"># compare an array with a string representation of an array literal</span>
<span id="L370" class="LineNr">370 </span><span class="subxFunction">check-array-equal</span>: <span class="subxComment"># a: (addr array int), expected: (addr string), msg: (addr string)</span>
<span id="L371" class="LineNr">371 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L372" class="LineNr">372 </span> 55/push-ebp
<span id="L373" class="LineNr">373 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L374" class="LineNr">374 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L375" class="LineNr">375 </span> 50/push-eax
<span id="L376" class="LineNr">376 </span> 56/push-esi
<span id="L377" class="LineNr">377 </span> <span class="subxComment"># var h/esi: handle</span>
<span id="L378" class="LineNr">378 </span> 68/push 0/imm32
<span id="L379" class="LineNr">379 </span> 68/push 0/imm32
<span id="L380" class="LineNr">380 </span> 89/&lt;- %esi 4/r32/esp
<span id="L381" class="LineNr">381 </span> <span class="subxComment"># var b/eax: (addr array int) = parse-array-of-ints(Heap, expected)</span>
<span id="L382" class="LineNr">382 </span> (<a href='100array-equal.subx.html#L174'>parse-array-of-ints</a> <span class="SpecialChar"><a href='069allocate.subx.html#L27'>Heap</a></span> *(ebp+0xc) %esi)
<span id="L383" class="LineNr">383 </span> (<a href='069allocate.subx.html#L258'>lookup</a> *esi *(esi+4)) <span class="subxComment"># =&gt; eax</span>
<span id="L384" class="LineNr">384 </span> <span class="subxComment">#</span>
<span id="L385" class="LineNr">385 </span> (<a href='100array-equal.subx.html#L5'>array-equal?</a> *(ebp+8) %eax)
<span id="L386" class="LineNr">386 </span> (<a href='051test.subx.html#L24'>check-ints-equal</a> %eax 1 *(ebp+0x10))
<span id="L387" class="LineNr">387 </span><span class="Constant">$check-array-equal:end</span>:
<span id="L388" class="LineNr">388 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L389" class="LineNr">389 </span> 5e/pop-to-esi
<span id="L390" class="LineNr">390 </span> 58/pop-to-eax
<span id="L391" class="LineNr">391 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L392" class="LineNr">392 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L393" class="LineNr">393 </span> 5d/pop-to-ebp
<span id="L394" class="LineNr">394 </span> c3/return
<span id="L395" class="LineNr">395 </span>
<span id="L396" class="LineNr">396 </span><span class="subxTest">test-check-array-equal</span>:
<span id="L397" class="LineNr">397 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L398" class="LineNr">398 </span> 55/push-ebp
<span id="L399" class="LineNr">399 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L400" class="LineNr">400 </span> <span class="subxComment"># var ecx: (array int) = [1, 2, 3]</span>
<span id="L401" class="LineNr">401 </span> 68/push 3/imm32
<span id="L402" class="LineNr">402 </span> 68/push 2/imm32
<span id="L403" class="LineNr">403 </span> 68/push 1/imm32
<span id="L404" class="LineNr">404 </span> 68/push 0xc/imm32/size
<span id="L405" class="LineNr">405 </span> 89/&lt;- %ecx 4/r32/esp
<span id="L406" class="LineNr">406 </span> <span class="subxComment">#</span>
<span id="L407" class="LineNr">407 </span> (<a href='100array-equal.subx.html#L370'>check-array-equal</a> %ecx <span class="Constant">&quot;1 2 3&quot;</span> <span class="Constant">&quot;F - test-check-array-equal&quot;</span>)
<span id="L408" class="LineNr">408 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L409" class="LineNr">409 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L410" class="LineNr">410 </span> 5d/pop-to-ebp
<span id="L411" class="LineNr">411 </span> c3/return
<span id="L412" class="LineNr">412 </span>
<span id="L413" class="LineNr">413 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
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<a href='https://github.com/akkartik/mu/blob/master/101stack_allocate.subx'>https://github.com/akkartik/mu/blob/master/101stack_allocate.subx</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># A function which pushes n zeros on the stack.</span>
<span id="L2" class="LineNr"> 2 </span><span class="subxComment"># Not really useful to call manually.</span>
<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># The Mu compiler uses it when defining arrays on the stack.</span>
<span id="L4" class="LineNr"> 4 </span>
<span id="L5" class="LineNr"> 5 </span>== code
<span id="L6" class="LineNr"> 6 </span>
<span id="L7" class="LineNr"> 7 </span><span class="CommentedCode">#? Entry:</span>
<span id="L8" class="LineNr"> 8 </span><span class="CommentedCode">#? # . prologue</span>
<span id="L9" class="LineNr"> 9 </span><span class="CommentedCode">#? 89/&lt;- %ebp 4/r32/esp</span>
<span id="L10" class="LineNr">10 </span><span class="CommentedCode">#? #</span>
<span id="L11" class="LineNr">11 </span><span class="CommentedCode">#? 68/push 0xfcfdfeff/imm32</span>
<span id="L12" class="LineNr">12 </span><span class="CommentedCode">#? b8/copy-to-eax 0x34353637/imm32</span>
<span id="L13" class="LineNr">13 </span><span class="CommentedCode">#? $dump-stack0:</span>
<span id="L14" class="LineNr">14 </span><span class="CommentedCode">#? (push-n-zero-bytes 4)</span>
<span id="L15" class="LineNr">15 </span><span class="CommentedCode">#? 68/push 0x20/imm32</span>
<span id="L16" class="LineNr">16 </span><span class="CommentedCode">#? $dump-stack9:</span>
<span id="L17" class="LineNr">17 </span><span class="CommentedCode">#? b8/copy-to-eax 1/imm32/exit</span>
<span id="L18" class="LineNr">18 </span><span class="CommentedCode">#? cd/syscall 0x80/imm8</span>
<span id="L19" class="LineNr">19 </span>
<span id="L20" class="LineNr">20 </span><span class="subxComment"># This is not a regular function, so it won't be idiomatic.</span>
<span id="L21" class="LineNr">21 </span><span class="subxComment"># Registers must be properly restored.</span>
<span id="L22" class="LineNr">22 </span><span class="subxComment"># Registers can be spilled, but that modifies the stack and needs to be</span>
<span id="L23" class="LineNr">23 </span><span class="subxComment"># cleaned up.</span>
<span id="L24" class="LineNr">24 </span>
<span id="L25" class="LineNr">25 </span><span class="subxComment"># Overhead:</span>
<span id="L26" class="LineNr">26 </span><span class="subxComment"># 62 + n*6 instructions to push n bytes.</span>
<span id="L27" class="LineNr">27 </span><span class="subxComment"># If we just emitted code to push n zeroes, it would be:</span>
<span id="L28" class="LineNr">28 </span><span class="subxComment"># 5 bytes for 4 zero bytes, so 1.25 bytes per zero. And that's not even</span>
<span id="L29" class="LineNr">29 </span><span class="subxComment"># instructions.</span>
<span id="L30" class="LineNr">30 </span><span class="subxComment"># But on the other hand it would destroy the instruction cache, where this</span>
<span id="L31" class="LineNr">31 </span><span class="subxComment"># approach requires 15 instructions, fixed.</span>
<span id="L32" class="LineNr">32 </span>
<span id="L33" class="LineNr">33 </span><span class="subxComment"># n must be positive</span>
<span id="L34" class="LineNr">34 </span><span class="subxFunction">push-n-zero-bytes</span>: <span class="subxComment"># n: int</span>
<span id="L35" class="LineNr">35 </span><span class="Constant">$push-n-zero-bytes:prologue</span>:
<span id="L36" class="LineNr">36 </span> 89/&lt;- *<span class="SpecialChar"><a href='101stack_allocate.subx.html#L59'>Push-n-zero-bytes-ebp</a></span> 5/r32/ebp <span class="subxComment"># spill ebp without affecting stack</span>
<span id="L37" class="LineNr">37 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L38" class="LineNr">38 </span><span class="Constant">$push-n-zero-bytes:copy-ra</span>:
<span id="L39" class="LineNr">39 </span> <span class="subxComment"># -- esp = ebp</span>
<span id="L40" class="LineNr">40 </span> 50/push-eax
<span id="L41" class="LineNr">41 </span> <span class="subxComment"># -- esp+8 = ebp+4</span>
<span id="L42" class="LineNr">42 </span> <span class="subxComment"># -- esp+4 = ebp</span>
<span id="L43" class="LineNr">43 </span> 8b/-&gt; *(esp+4) 0/r32/eax
<span id="L44" class="LineNr">44 </span> 2b/subtract *(ebp+4) 4/r32/esp
<span id="L45" class="LineNr">45 </span> <span class="subxComment"># -- esp+4+n = ebp</span>
<span id="L46" class="LineNr">46 </span> 89/&lt;- *(esp+4) 0/r32/eax
<span id="L47" class="LineNr">47 </span> 58/pop-to-eax
<span id="L48" class="LineNr">48 </span> <span class="subxComment"># -- esp+n = ebp</span>
<span id="L49" class="LineNr">49 </span><span class="Constant">$push-n-zero-bytes:bulk-cleaning</span>:
<span id="L50" class="LineNr">50 </span> 89/&lt;- *<span class="SpecialChar"><a href='101stack_allocate.subx.html#L61'>Push-n-zero-bytes-esp</a></span> 4/r32/esp
<span id="L51" class="LineNr">51 </span> 81 0/subop/add *<span class="SpecialChar"><a href='101stack_allocate.subx.html#L61'>Push-n-zero-bytes-esp</a></span> 4/imm32
<span id="L52" class="LineNr">52 </span> 81 0/subop/add *(ebp+4) 4/imm32
<span id="L53" class="LineNr">53 </span> (<a href='069allocate.subx.html#L858'>zero-out</a> *<span class="SpecialChar"><a href='101stack_allocate.subx.html#L61'>Push-n-zero-bytes-esp</a></span> *(ebp+4)) <span class="subxComment"># n+4</span>
<span id="L54" class="LineNr">54 </span><span class="Constant">$push-n-zero-bytes:epilogue</span>:
<span id="L55" class="LineNr">55 </span> 8b/-&gt; *<span class="SpecialChar"><a href='101stack_allocate.subx.html#L59'>Push-n-zero-bytes-ebp</a></span> 5/r32/ebp <span class="subxComment"># restore spill</span>
<span id="L56" class="LineNr">56 </span> c3/return
<span id="L57" class="LineNr">57 </span>
<span id="L58" class="LineNr">58 </span>== data
<span id="L59" class="LineNr">59 </span><span class="SpecialChar">Push-n-zero-bytes-ebp</span>: <span class="subxComment"># (addr int)</span>
<span id="L60" class="LineNr">60 </span> 0/imm32
<span id="L61" class="LineNr">61 </span><span class="SpecialChar">Push-n-zero-bytes-esp</span>: <span class="subxComment"># (addr int)</span>
<span id="L62" class="LineNr">62 </span> 0/imm32
</pre>
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<a href='https://github.com/akkartik/mu/blob/master/102kernel-string.subx'>https://github.com/akkartik/mu/blob/master/102kernel-string.subx</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># We can't really do much with null-terminated kernel strings, and we don't</span>
<span id="L2" class="LineNr"> 2 </span><span class="subxComment"># want to. Let's turn them into regular length-prefixed strings at the first</span>
<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># opportunity.</span>
<span id="L4" class="LineNr"> 4 </span>
<span id="L5" class="LineNr"> 5 </span>== code
<span id="L6" class="LineNr"> 6 </span>
<span id="L7" class="LineNr"> 7 </span><span class="subxFunction">kernel-string-to-string</span>: <span class="subxComment"># ad: (addr allocation-descriptor), in: (addr kernel-string) -&gt; result/eax: (addr array byte)</span>
<span id="L8" class="LineNr"> 8 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L9" class="LineNr"> 9 </span> 55/push-ebp
<span id="L10" class="LineNr">10 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L11" class="LineNr">11 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L12" class="LineNr">12 </span> 51/push-ecx
<span id="L13" class="LineNr">13 </span> 52/push-edx
<span id="L14" class="LineNr">14 </span> 53/push-ebx
<span id="L15" class="LineNr">15 </span> 56/push-esi
<span id="L16" class="LineNr">16 </span> 57/push-edi
<span id="L17" class="LineNr">17 </span> <span class="subxComment"># var len/ecx: int = length(in)</span>
<span id="L18" class="LineNr">18 </span> (<a href='102kernel-string.subx.html#L55'>kernel-string-length</a> *(ebp+0xc))
<span id="L19" class="LineNr">19 </span> 89/&lt;- %ecx 0/r32/eax
<span id="L20" class="LineNr">20 </span> <span class="subxComment"># result = allocate-array(ad, len)</span>
<span id="L21" class="LineNr">21 </span> (<a href='069allocate.subx.html#L557'>allocate-array</a> *(ebp+8) %ecx) <span class="subxComment"># =&gt; eax</span>
<span id="L22" class="LineNr">22 </span> <span class="subxComment"># var c/edx: byte = 0</span>
<span id="L23" class="LineNr">23 </span> ba/copy-to-edx 0/imm32
<span id="L24" class="LineNr">24 </span> <span class="subxComment"># var src/esi: (addr byte) = in</span>
<span id="L25" class="LineNr">25 </span> 8b/-&gt; *(ebp+0xc) 6/r32/esi
<span id="L26" class="LineNr">26 </span> <span class="subxComment"># var dest/edi: (addr byte) = result-&gt;data</span>
<span id="L27" class="LineNr">27 </span> 8d/copy-address *(eax+4) 7/r32/edi
<span id="L28" class="LineNr">28 </span> {
<span id="L29" class="LineNr">29 </span><span class="Constant">$kernel-string-to-string:loop</span>:
<span id="L30" class="LineNr">30 </span> <span class="subxComment"># c = *src</span>
<span id="L31" class="LineNr">31 </span> 8a/byte-&gt; *esi 2/r32/edx
<span id="L32" class="LineNr">32 </span> <span class="subxComment"># if (c == 0) break</span>
<span id="L33" class="LineNr">33 </span> 81 7/subop/compare %edx 0/imm32
<span id="L34" class="LineNr">34 </span> 74/jump-if-= <span class="Constant">break</span>/disp8
<span id="L35" class="LineNr">35 </span> <span class="subxComment"># *dest = c</span>
<span id="L36" class="LineNr">36 </span> 88/byte&lt;- *edi 2/r32/edx
<span id="L37" class="LineNr">37 </span> <span class="subxComment"># ++src</span>
<span id="L38" class="LineNr">38 </span> 46/increment-esi
<span id="L39" class="LineNr">39 </span> <span class="subxComment"># ++dest</span>
<span id="L40" class="LineNr">40 </span> 47/increment-edi
<span id="L41" class="LineNr">41 </span> eb/jump <span class="Constant">loop</span>/disp8
<span id="L42" class="LineNr">42 </span> }
<span id="L43" class="LineNr">43 </span><span class="Constant">$kernel-string-to-string:end</span>:
<span id="L44" class="LineNr">44 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L45" class="LineNr">45 </span> 5f/pop-to-edi
<span id="L46" class="LineNr">46 </span> 5e/pop-to-esi
<span id="L47" class="LineNr">47 </span> 5b/pop-to-ebx
<span id="L48" class="LineNr">48 </span> 5a/pop-to-edx
<span id="L49" class="LineNr">49 </span> 59/pop-to-ecx
<span id="L50" class="LineNr">50 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L51" class="LineNr">51 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L52" class="LineNr">52 </span> 5d/pop-to-ebp
<span id="L53" class="LineNr">53 </span> c3/return
<span id="L54" class="LineNr">54 </span>
<span id="L55" class="LineNr">55 </span><span class="subxFunction">kernel-string-length</span>: <span class="subxComment"># in: (addr kernel-string) -&gt; result/eax: int</span>
<span id="L56" class="LineNr">56 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L57" class="LineNr">57 </span> 55/push-ebp
<span id="L58" class="LineNr">58 </span> 89/&lt;- %ebp 4/r32/esp
<span id="L59" class="LineNr">59 </span> <span class="subxS1Comment"># . save registers</span>
<span id="L60" class="LineNr">60 </span> 51/push-ecx
<span id="L61" class="LineNr">61 </span> 52/push-edx
<span id="L62" class="LineNr">62 </span> <span class="subxComment"># result = 0</span>
<span id="L63" class="LineNr">63 </span> b8/copy-to-eax 0/imm32
<span id="L64" class="LineNr">64 </span> <span class="subxComment"># var c/ecx: byte = 0</span>
<span id="L65" class="LineNr">65 </span> b9/copy-to-ecx 0/imm32
<span id="L66" class="LineNr">66 </span> <span class="subxComment"># var curr/edx: (addr byte) = in</span>
<span id="L67" class="LineNr">67 </span> 8b/-&gt; *(ebp+8) 2/r32/edx
<span id="L68" class="LineNr">68 </span> {
<span id="L69" class="LineNr">69 </span><span class="Constant">$kernel-string-length:loop</span>:
<span id="L70" class="LineNr">70 </span> <span class="subxComment"># c = *curr</span>
<span id="L71" class="LineNr">71 </span> 8a/byte-&gt; *edx 1/r32/ecx
<span id="L72" class="LineNr">72 </span> <span class="subxComment"># if (c == 0) break</span>
<span id="L73" class="LineNr">73 </span> 81 7/subop/compare %ecx 0/imm32
<span id="L74" class="LineNr">74 </span> 74/jump-if-= <span class="Constant">break</span>/disp8
<span id="L75" class="LineNr">75 </span> <span class="subxComment"># ++curr</span>
<span id="L76" class="LineNr">76 </span> 42/increment-edx
<span id="L77" class="LineNr">77 </span> <span class="subxComment"># ++result</span>
<span id="L78" class="LineNr">78 </span> 40/increment-eax
<span id="L79" class="LineNr">79 </span> <span class="subxComment">#</span>
<span id="L80" class="LineNr">80 </span> eb/jump <span class="Constant">loop</span>/disp8
<span id="L81" class="LineNr">81 </span> }
<span id="L82" class="LineNr">82 </span><span class="Constant">$kernel-string-length:end</span>:
<span id="L83" class="LineNr">83 </span> <span class="subxS1Comment"># . restore registers</span>
<span id="L84" class="LineNr">84 </span> 5a/pop-to-edx
<span id="L85" class="LineNr">85 </span> 59/pop-to-ecx
<span id="L86" class="LineNr">86 </span> <span class="subxS1Comment"># . epilogue</span>
<span id="L87" class="LineNr">87 </span> 89/&lt;- %esp 5/r32/ebp
<span id="L88" class="LineNr">88 </span> 5d/pop-to-ebp
<span id="L89" class="LineNr">89 </span> c3/return
</pre>
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<!-- vim: set foldmethod=manual : -->

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@ -15,10 +15,10 @@ body { font-size:12pt; font-family: monospace; color: #000000; background-color:
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.subxComment { color: #005faf; }
.LineNr { }
.SpecialChar { color: #d70000; }
.subxS1Comment { color: #0000af; }
.subxFunction { color: #af5f00; text-decoration: underline; }
.LineNr { }
.subxS1Comment { color: #0000af; }
.SpecialChar { color: #d70000; }
.Constant { color: #008787; }
-->
</style>
@ -58,10 +58,10 @@ if ('onhashchange' in window) {
<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Just a test stub for mu-init.subx</span>
<span id="L2" class="LineNr"> 2 </span><span class="subxComment">#</span>
<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># Try it out like this:</span>
<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># $ ./translate_subx init.linux 0*.subx mu-init.subx mu-init-test.subx</span>
<span id="L4" class="LineNr"> 4 </span><span class="subxComment"># $ ./translate_subx init.linux [0-9]*.subx mu-init.subx mu-init-test.subx</span>
<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># $ ./a.elf # should run all tests</span>
<span id="L6" class="LineNr"> 6 </span>
<span id="L7" class="LineNr"> 7 </span><span class="subxFunction">main</span>: <span class="subxComment"># args: (address array kernel-string) -&gt; result/ebx: int</span>
<span id="L7" class="LineNr"> 7 </span><span class="subxFunction">main</span>: <span class="subxComment"># args: (addr array (addr array byte)) -&gt; result/ebx: int</span>
<span id="L8" class="LineNr"> 8 </span> <span class="subxS1Comment"># . prologue</span>
<span id="L9" class="LineNr"> 9 </span> 55/push-ebp
<span id="L10" class="LineNr">10 </span> 89/&lt;- %ebp 4/r32/esp
@ -72,10 +72,10 @@ if ('onhashchange' in window) {
<span id="L15" class="LineNr">15 </span> 8b/-&gt; *(ebp+8) 6/r32/esi
<span id="L16" class="LineNr">16 </span> {
<span id="L17" class="LineNr">17 </span> <span class="subxComment"># if (argc &lt;= 1) break</span>
<span id="L18" class="LineNr">18 </span> 81 7/subop/compare *esi 1/imm32
<span id="L18" class="LineNr">18 </span> 81 7/subop/compare *esi 4/imm32
<span id="L19" class="LineNr">19 </span> 7e/jump-if-&lt;= <span class="Constant">break</span>/disp8
<span id="L20" class="LineNr">20 </span> <span class="subxComment"># if (argv[1] != &quot;test&quot;) break</span>
<span id="L21" class="LineNr">21 </span> (<a href='052kernel-string-equal.subx.html#L33'>kernel-string-equal?</a> *(esi+8) <span class="Constant">&quot;test&quot;</span>) <span class="subxComment"># =&gt; eax</span>
<span id="L21" class="LineNr">21 </span> (<a href='054string-equal.subx.html#L16'>string-equal?</a> *(esi+8) <span class="Constant">&quot;test&quot;</span>) <span class="subxComment"># =&gt; eax</span>
<span id="L22" class="LineNr">22 </span> 3d/compare-eax-and 0/imm32
<span id="L23" class="LineNr">23 </span> 74/jump-if-= <span class="Constant">break</span>/disp8
<span id="L24" class="LineNr">24 </span> <span class="subxComment">#</span>

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@ -17,6 +17,8 @@ a { color:inherit; }
.subxComment { color: #005faf; }
.LineNr { }
.SpecialChar { color: #d70000; }
.Constant { color: #008787; }
.subxH1Comment { color: #005faf; text-decoration: underline; }
-->
</style>
@ -57,7 +59,7 @@ if ('onhashchange' in window) {
<span id="L3" class="LineNr"> 3 </span><span class="subxComment"># See translate_mu for how this file is used.</span>
<span id="L4" class="LineNr"> 4 </span><span class="subxComment">#</span>
<span id="L5" class="LineNr"> 5 </span><span class="subxComment"># Mu programs start at a function called 'main' with this signature:</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># fn main args: (addr array kernel-string) -&gt; exit-status/ebx: int</span>
<span id="L6" class="LineNr"> 6 </span><span class="subxComment"># fn main args: (addr array (addr array byte)) -&gt; exit-status/ebx: int</span>
<span id="L7" class="LineNr"> 7 </span><span class="subxComment"># If your program doesn't need commandline arguments you can drop it:</span>
<span id="L8" class="LineNr"> 8 </span><span class="subxComment"># fn main -&gt; exit-status/ebx: int</span>
<span id="L9" class="LineNr"> 9 </span><span class="subxComment">#</span>
@ -69,14 +71,49 @@ if ('onhashchange' in window) {
<span id="L15" class="LineNr">15 </span><span class="SpecialChar">Entry</span>:
<span id="L16" class="LineNr">16 </span> <span class="subxComment"># we don't use ebp in Entry; just initialize it</span>
<span id="L17" class="LineNr">17 </span> bd/copy-to-ebp 0/imm32
<span id="L18" class="LineNr">18 </span> <span class="subxComment"># var args/eax: (addr array kernel-string)</span>
<span id="L19" class="LineNr">19 </span> 89/&lt;- %eax 4/r32/esp
<span id="L20" class="LineNr">20 </span> <span class="subxComment"># initialize the heap</span>
<span id="L21" class="LineNr">21 </span> (<a href='053new-segment.subx.html#L41'>new-segment</a> *<span class="SpecialChar"><a href='069allocate.subx.html#L29'>Heap-size</a></span> <span class="SpecialChar"><a href='069allocate.subx.html#L22'>Heap</a></span>)
<span id="L22" class="LineNr">22 </span> <span class="subxComment"># run Mu program</span>
<span id="L23" class="LineNr">23 </span> (<a href='mu-init-test.subx.html#L7'>main</a> %eax)
<span id="L24" class="LineNr">24 </span> <span class="subxComment"># exit</span>
<span id="L25" class="LineNr">25 </span> (syscall_exit)
<span id="L18" class="LineNr">18 </span> <span class="subxH1Comment"># - save argc and argv</span>
<span id="L19" class="LineNr">19 </span> <span class="subxComment"># var argc-and-argv/esi</span>
<span id="L20" class="LineNr">20 </span> 89/&lt;- %esi 4/r32/esp
<span id="L21" class="LineNr">21 </span><span class="Constant">$Entry:initialize-heap</span>:
<span id="L22" class="LineNr">22 </span> <span class="subxH1Comment"># - initialize the heap</span>
<span id="L23" class="LineNr">23 </span> (<a href='053new-segment.subx.html#L41'>new-segment</a> *<span class="SpecialChar"><a href='069allocate.subx.html#L34'>Heap-size</a></span> <span class="SpecialChar"><a href='069allocate.subx.html#L27'>Heap</a></span>)
<span id="L24" class="LineNr">24 </span><span class="Constant">$Entry:initialize-args</span>:
<span id="L25" class="LineNr">25 </span> <span class="subxH1Comment"># - convert argv from null-terminated 'kernel' strings to length-prefixed Mu strings</span>
<span id="L26" class="LineNr">26 </span> <span class="subxComment"># var argc/edx: int</span>
<span id="L27" class="LineNr">27 </span> 8b/-&gt; *esi 2/r32/edx
<span id="L28" class="LineNr">28 </span> <span class="subxComment"># argc is in words; convert it to bytes</span>
<span id="L29" class="LineNr">29 </span> c1/shift 4/subop/left %edx 2/imm8
<span id="L30" class="LineNr">30 </span> <span class="subxComment"># var tmp/eax: handle</span>
<span id="L31" class="LineNr">31 </span> 68/push 0/imm32
<span id="L32" class="LineNr">32 </span> 68/push 0/imm32
<span id="L33" class="LineNr">33 </span> 89/&lt;- %eax 4/r32/esp
<span id="L34" class="LineNr">34 </span> <span class="subxComment"># var args/edi: (addr array (addr array byte))</span>
<span id="L35" class="LineNr">35 </span> (<a href='069allocate.subx.html#L557'>allocate-array</a> <span class="SpecialChar"><a href='069allocate.subx.html#L27'>Heap</a></span> %edx %eax)
<span id="L36" class="LineNr">36 </span> 8b/-&gt; *(eax+4) 7/r32/edi
<span id="L37" class="LineNr">37 </span> <span class="subxComment"># var curr/ecx: (addr kernel-string) = argv</span>
<span id="L38" class="LineNr">38 </span> 8d/copy-address *(esi+4) 1/r32/ecx
<span id="L39" class="LineNr">39 </span> <span class="subxComment"># var max/edx: (addr kernel-string) = argv+4+argc</span>
<span id="L40" class="LineNr">40 </span> 8d/copy-address *(ecx+edx) 2/r32/edx
<span id="L41" class="LineNr">41 </span> <span class="subxComment"># var dest/esi: (addr (addr array byte)) = args+4</span>
<span id="L42" class="LineNr">42 </span> 8d/copy-address *(edi+4) 6/r32/esi
<span id="L43" class="LineNr">43 </span> {
<span id="L44" class="LineNr">44 </span> <span class="subxComment"># if (curr &gt;= max) break</span>
<span id="L45" class="LineNr">45 </span> 39/compare %ecx 2/r32/edx
<span id="L46" class="LineNr">46 </span> 73/jump-if-addr&gt;= <span class="Constant">break</span>/disp8
<span id="L47" class="LineNr">47 </span> <span class="subxComment"># *dest = kernel-string-to-string(*curr)</span>
<span id="L48" class="LineNr">48 </span> (<a href='102kernel-string.subx.html#L7'>kernel-string-to-string</a> <span class="SpecialChar"><a href='069allocate.subx.html#L27'>Heap</a></span> *ecx) <span class="subxComment"># =&gt; eax</span>
<span id="L49" class="LineNr">49 </span> 89/&lt;- *esi 0/r32/eax
<span id="L50" class="LineNr">50 </span> <span class="subxComment"># curr += 4</span>
<span id="L51" class="LineNr">51 </span> 81 0/subop/add %ecx 4/imm32
<span id="L52" class="LineNr">52 </span> <span class="subxComment"># dest += 4</span>
<span id="L53" class="LineNr">53 </span> 81 0/subop/add %esi 4/imm32
<span id="L54" class="LineNr">54 </span> <span class="subxComment">#</span>
<span id="L55" class="LineNr">55 </span> eb/jump <span class="Constant">loop</span>/disp8
<span id="L56" class="LineNr">56 </span> }
<span id="L57" class="LineNr">57 </span> <span class="subxH1Comment"># - run Mu program</span>
<span id="L58" class="LineNr">58 </span> (<a href='mu-init-test.subx.html#L7'>main</a> %edi) <span class="subxComment"># =&gt; ebx</span>
<span id="L59" class="LineNr">59 </span> <span class="subxH1Comment"># - exit</span>
<span id="L60" class="LineNr">60 </span> (syscall_exit)
</pre>
</body>
</html>

4
html/run_one_test.subx.html
View File

@ -65,8 +65,8 @@ if ('onhashchange' in window) {
<span id="L8" class="LineNr"> 8 </span><span class="SpecialChar">Entry</span>:
<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># Heap = new-segment(64KB)</span>
<span id="L10" class="LineNr">10 </span> <span class="subxS2Comment"># . . push args</span>
<span id="L11" class="LineNr">11 </span> 68/push <span class="SpecialChar"><a href='069allocate.subx.html#L22'>Heap</a></span>/imm32
<span id="L12" class="LineNr">12 </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='069allocate.subx.html#L29'>Heap-size</a></span>/disp32 <span class="subxComment"># push *Heap-size</span>
<span id="L11" class="LineNr">11 </span> 68/push <span class="SpecialChar"><a href='069allocate.subx.html#L27'>Heap</a></span>/imm32
<span id="L12" class="LineNr">12 </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='069allocate.subx.html#L34'>Heap-size</a></span>/disp32 <span class="subxComment"># push *Heap-size</span>
<span id="L13" class="LineNr">13 </span> <span class="subxS2Comment"># . . call</span>
<span id="L14" class="LineNr">14 </span> e8/call <a href='053new-segment.subx.html#L41'>new-segment</a>/disp32
<span id="L15" class="LineNr">15 </span> <span class="subxS2Comment"># . . discard args</span>