generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-05-28 15:15:49 +0000
 


omment"># ecx = f-&gt;read</span>
<span id="L30" class="LineNr"> 30 </span>    8b/copy                         1/mod/*+disp8   6/rm32/esi   <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 *(esi+8) to ecx</span>
<span id="L31" class="LineNr"> 31 </span>    <span class="subxComment"># edi = s</span>
<span id="L32" class="LineNr"> 32 </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="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="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>
<span id="L40" class="LineNr"> 40 </span>    3b/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 ecx with *(esi+4)</span>
<span id="L41" class="LineNr"> 41 </span>    7c/jump-if-&lt;  $slurp:from-stream/disp8
<span id="L42" class="LineNr"> 42 </span>    <span class="subxS1Comment"># . clear-stream(stream = f+4)</span>
<span id="L43" class="LineNr"> 43 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L44" class="LineNr"> 44 </span>    8d/copy-address                 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="L45" class="LineNr"> 45 </span>    50/push-eax
<span id="L46" class="LineNr"> 46 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L47" class="LineNr"> 47 </span>    e8/call  <a href='055stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L48" class="LineNr"> 48 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L49" class="LineNr"> 49 </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="L50" class="LineNr"> 50 </span>    <span class="subxS1Comment"># . f-&gt;read must now be 0; update its cache at ecx</span>
<span id="L51" class="LineNr"> 51 </span>    31/xor                          3/mod/direct    1/rm32/ecx   <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"># clear ecx</span>
<span id="L52" class="LineNr"> 52 </span>    <span class="subxS1Comment"># . eax = read(f-&gt;fd, stream = f+4)</span>
<span id="L53" class="LineNr"> 53 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L54" class="LineNr"> 54 </span>    50/push-eax
<span id="L55" class="LineNr"> 55 </span>    ff          6/subop/push        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>             <span class="Normal"> . </span>                <span class="subxComment"># push *esi</span>
<span id="L56" class="LineNr"> 56 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L57" class="LineNr"> 57 </span>    e8/call  <a href='060read.subx.html#L48'>read</a>/disp32
<span id="L58" class="LineNr"> 58 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L59" class="LineNr"> 59 </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="L60" class="LineNr"> 60 </span>    <span class="subxComment"># if (f-&gt;write == 0) break</span>
<span id="L61" class="LineNr"> 61 </span>    <span class="subxComment"># since f-&gt;read was initially 0, eax is the same as f-&gt;write</span>
<span id="L62" class="LineNr"> 62 </span>    <span class="subxS1Comment"># . if (eax == 0) return true</span>
<span id="L63" class="LineNr"> 63 </span>    3d/compare-eax-and  0/imm32
<span id="L64" class="LineNr"> 64 </span>    74/jump-if-=  $slurp:end/disp8
<span id="L65" class="LineNr"> 65 </span><span class="Constant">$slurp:from-stream</span>:
<span id="L66" class="LineNr"> 66 </span>    <span class="subxComment"># var c/eax: byte = f-&gt;data[f-&gt;read]</span>
<span id="L67" class="LineNr"> 67 </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>
<span id="L68" class="LineNr"> 68 </span>    8a/copy-byte                    1/mod/*+disp8   4/rm32/sib    6/base/esi  1/index/ecx  <span class="Normal"> . </span>          0/r32/AL    0x10/disp8     <span class="Normal"> . </span>                <span class="subxComment"># copy byte at *(esi+ecx+16) to AL</span>
<span id="L69" class="LineNr"> 69 </span>    <span class="subxComment"># s-&gt;data[s-&gt;write] = c</span>
<span id="L70" class="LineNr"> 70 </span>    88/copy-byte                    1/mod/*+disp8   4/rm32/sib    7/base/edi  2/index/edx  <span class="Normal"> . </span>          0/r32/AL    0xc/disp8      <span class="Normal"> . </span>                <span class="subxComment"># copy AL to *(edi+edx+12)</span>
<span id="L71" class="LineNr"> 71 </span>    <span class="subxComment"># ++f-&gt;read</span>
<span id="L72" class="LineNr"> 72 </span>    41/increment-ecx
<span id="L73" class="LineNr"> 73 </span>    <span class="subxComment"># ++s-&gt;write</span>
<span id="L74" class="LineNr"> 74 </span>    42/increment-edx
<span id="L75" class="LineNr"> 75 </span>    eb/jump  $slurp:<span class="Constant">loop</span>/disp8
<span id="L76" class="LineNr"> 76 </span><span class="Constant">$slurp:end</span>:
<span id="L77" class="LineNr"> 77 </span>    <span class="subxComment"># save f-&gt;read</span>
<span id="L78" class="LineNr"> 78 </span>    89/copy                         1/mod/*+disp8   6/rm32/esi   <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 *(esi+8)</span>
<span id="L79" class="LineNr"> 79 </span>    <span class="subxComment"># save s-&gt;write</span>
<span id="L80" class="LineNr"> 80 </span>    89/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 edx to *edi</span>
<span id="L81" class="LineNr"> 81 </span>    <span class="subxS1Comment"># . restore registers</span>
<span id="L82" class="LineNr"> 82 </span>    5f/pop-to-edi
<span id="L83" class="LineNr"> 83 </span>    5e/pop-to-esi
<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>    58/pop-to-eax
<span id="L87" class="LineNr"> 87 </span>    <span class="subxS1Comment"># . epilogue</span>
<span id="L88" class="LineNr"> 88 </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="L89" class="LineNr"> 89 </span>    5d/pop-to-ebp
<span id="L90" class="LineNr"> 90 </span>    c3/return
<span id="L91" class="LineNr"> 91 </span>
<span id="L92" class="LineNr"> 92 </span><span class="Constant">$slurp:abort</span>:
<span id="L93" class="LineNr"> 93 </span>    <span class="subxS1Comment"># . _write(2/stderr, error)</span>
<span id="L94" class="LineNr"> 94 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L95" class="LineNr"> 95 </span>    68/push  <span class="Constant">&quot;slurp: destination too small\n&quot;</span>/imm32
<span id="L96" class="LineNr"> 96 </span>    68/push  2/imm32/stderr
<span id="L97" class="LineNr"> 97 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L98" class="LineNr"> 98 </span>    e8/call  <a href='050_write.subx.html#L14'>_write</a>/disp32
<span id="L99" class="LineNr"> 99 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L100" class="LineNr">100 </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="L101" class="LineNr">101 </span>    <span class="subxS1Comment"># . syscall(exit, 1)</span>
<span id="L102" class="LineNr">102 </span>    bb/copy-to-ebx  1/imm32
<span id="L103" class="LineNr">103 </span>    b8/copy-to-eax  1/imm32/exit
<span id="L104" class="LineNr">104 </span>    cd/syscall  0x80/imm8
<span id="L105" class="LineNr">105 </span>    <span class="subxComment"># never gets here</span>
<span id="L106" class="LineNr">106 </span>
<span id="L107" class="LineNr">107 </span><span class="subxTest">test-slurp</span>:
<span id="L108" class="LineNr">108 </span>    <span class="subxComment"># setup</span>
<span id="L109" class="LineNr">109 </span>    <span class="subxS1Comment"># . clear-stream(_test-stream)</span>
<span id="L110" class="LineNr">110 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L111" class="LineNr">111 </span>    68/push  <a href='057write.subx.html#L148'>_test-stream</a>/imm32
<span id="L112" class="LineNr">112 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L113" class="LineNr">113 </span>    e8/call  <a href='055stream.subx.html#L17'>clear-stream</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         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="L116" class="LineNr">116 </span>    <span class="subxS1Comment"># . clear-stream($_test-buffered-file-&gt;buffer)</span>
<span id="L117" class="LineNr">117 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L118" class="LineNr">118 </span>    68/push  $_test-buffered-file-&gt;buffer/imm32
<span id="L119" class="LineNr">119 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L120" class="LineNr">120 </span>    e8/call  <a href='055stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L121" class="LineNr">121 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L122" class="LineNr">122 </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="L123" class="LineNr">123 </span>    <span class="subxS1Comment"># . clear-stream(_test-tmp-stream)</span>
<span id="L124" class="LineNr">124 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L125" class="LineNr">125 </span>    68/push  <a href='060read.subx.html#L429'>_test-tmp-stream</a>/imm32
<span id="L126" class="LineNr">126 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L127" class="LineNr">127 </span>    e8/call  <a href='055stream.subx.html#L17'>clear-stream</a>/disp32
<span id="L128" class="LineNr">128 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L129" class="LineNr">129 </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="L130" class="LineNr">130 </span>    <span class="subxComment"># write(_test-stream, &quot;ab\ncd&quot;)</span>
<span id="L131" class="LineNr">131 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L132" class="LineNr">132 </span>    68/push  <span class="Constant">&quot;ab\ncd&quot;</span>/imm32
<span id="L133" class="LineNr">133 </span>    68/push  <a href='057write.subx.html#L148'>_test-stream</a>/imm32
<span id="L134" class="LineNr">134 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L135" class="LineNr">135 </span>    e8/call  <a href='057write.subx.html#L24'>write</a>/disp32
<span id="L136" class="LineNr">136 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L137" class="LineNr">137 </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="L138" class="LineNr">138 </span>    <span class="subxComment"># read a line from _test-stream (buffered by _test-buffered-file) into _test-tmp-stream</span>
<span id="L139" class="LineNr">139 </span>    <span class="subxS1Comment"># . eax = slurp(_test-buffered-file, _test-tmp-stream)</span>
<span id="L140" class="LineNr">140 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L141" class="LineNr">141 </span>    68/push  <a href='060read.subx.html#L429'>_test-tmp-stream</a>/imm32
<span id="L142" class="LineNr">142 </span>    68/push  <a href='061read-byte.subx.html#L274'>_test-buffered-file</a>/imm32
<span id="L143" class="LineNr">143 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L144" class="LineNr">144 </span>    e8/call  <a href='082slurp.subx.html#L8'>slurp</a>/disp32
<span id="L145" class="LineNr">145 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L146" class="LineNr">146 </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="L147" class="LineNr">147 </span>    <span class="subxComment"># check-stream-equal(_test-tmp-stream, &quot;ab\ncd&quot;, msg)</span>
<span id="L148" class="LineNr">148 </span>    <span class="subxS2Comment"># . . push args</span>
<span id="L149" class="LineNr">149 </span>    68/push  <span class="Constant">&quot;F - test-slurp&quot;</span>/imm32
<span id="L150" class="LineNr">150 </span>    68/push  <span class="Constant">&quot;ab\ncd&quot;</span>/imm32
<span id="L151" class="LineNr">151 </span>    68/push  <a href='060read.subx.html#L429'>_test-tmp-stream</a>/imm32
<span id="L152" class="LineNr">152 </span>    <span class="subxS2Comment"># . . call</span>
<span id="L153" class="LineNr">153 </span>    e8/call  <a href='058stream-equal.subx.html#L194'>check-stream-equal</a>/disp32
<span id="L154" class="LineNr">154 </span>    <span class="subxS2Comment"># . . discard args</span>
<span id="L155" class="LineNr">155 </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="L156" class="LineNr">156 </span>    <span class="subxComment"># end</span>
<span id="L157" class="LineNr">157 </span>    c3/return
<span id="L158" class="LineNr">158 </span>
<span id="L159" class="LineNr">159 </span><span class="subxS2Comment"># . . vim&#0058;nowrap:textwidth=0</span>
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