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span> class="LineNr"> 38 </span> b8/copy-to-eax 0/imm32/false <span id="L39" class="LineNr"> 39 </span> <span class="subxComment"># esi = s</span> <span id="L40" class="LineNr"> 40 </span> 8b/-&gt; *(ebp+8) 6/r32/esi <span id="L41" class="LineNr"> 41 </span> <span class="subxComment"># return s-&gt;write &gt;= s-&gt;size</span> <span id="L42" class="LineNr"> 42 </span> 8b/-&gt; *(esi+8) 1/r32/ecx <span id="L43" class="LineNr"> 43 </span> 39/compare-with *esi 1/r32/ecx <span id="L44" class="LineNr"> 44 </span> 0f 9d/set-if-&gt;= %al <span id="L45" class="LineNr"> 45 </span><span class="Constant">$stream-full?:end</span>: <span id="L46" class="LineNr"> 46 </span> <span class="subxS1Comment"># . restore registers</span> <span id="L47" class="LineNr"> 47 </span> 5e/pop-to-esi <span id="L48" class="LineNr"> 48 </span> 59/pop-to-ecx <span id="L49" class="LineNr"> 49 </span> <span class="subxS1Comment"># . epilogue</span> <span id="L50" class="LineNr"> 50 </span> 89/&lt;- %esp 5/r32/ebp <span id="L51" class="LineNr"> 51 </span> 5d/pop-to-ebp <span id="L52" class="LineNr"> 52 </span> c3/return <span id="L53" class="LineNr"> 53 </span> <span id="L54" class="LineNr"> 54 </span><span class="subxFunction">write-to-stream</span>: <span class="subxComment"># s: (addr stream _), in: (addr byte), n: int</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/&lt;- %ebp 4/r32/esp <span id="L58" class="LineNr"> 58 </span> <span class="subxS1Comment"># . save registers</span> <span id="L59" class="LineNr"> 59 </span> 50/push-eax <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> 53/push-ebx <span id="L63" class="LineNr"> 63 </span> 57/push-edi <span id="L64" class="LineNr"> 64 </span> <span class="subxComment"># edi = s</span> <span id="L65" class="LineNr"> 65 </span> 8b/-&gt; *(ebp+8) 7/r32/edi <span id="L66" class="LineNr"> 66 </span> <span class="subxComment"># var swrite/edx: int = s-&gt;write</span> <span id="L67" class="LineNr"> 67 </span> 8b/-&gt; *edi 2/r32/edx <span id="L68" class="LineNr"> 68 </span> <span class="subxComment"># if (swrite + n &gt; s-&gt;size) abort</span> <span id="L69" class="LineNr"> 69 </span> 8b/-&gt; *(ebp+0x10) 1/r32/ecx <span id="L70" class="LineNr"> 70 </span> 01/add-to %ecx 2/r32/edx <span id="L71" class="LineNr"> 71 </span> 3b/compare 1/r32/ecx *(edi+8) <span id="L72" class="LineNr"> 72 </span> 0f 8f/jump-if-&gt; $write-to-stream:abort/disp32 <span id="L73" class="LineNr"> 73 </span> <span class="subxComment"># var out/edx: (addr byte) = s-&gt;data + s-&gt;write</span> <span id="L74" class="LineNr"> 74 </span> 8d/copy-address *(edi+edx+0xc) 2/r32/edx <span id="L75" class="LineNr"> 75 </span> <span class="subxComment"># var outend/ebx: (addr byte) = out + n</span> <span id="L76" class="LineNr"> 76 </span> 8b/-&gt; *(ebp+0x10) 3/r32/ebx <span id="L77" class="LineNr"> 77 </span> 8d/copy-address *(edx+ebx) 3/r32/ebx <span id="L78" class="LineNr"> 78 </span> <span class="subxComment"># eax = in</span> <span id="L79" class="LineNr"> 79 </span> 8b/-&gt; *(ebp+0xc) 0/r32/eax <span id="L80" class="LineNr"> 80 </span> <span class="subxComment"># var inend/ecx: (addr byte) = in + n</span> <span id="L81" class="LineNr"> 81 </span> 8b/-&gt; *(ebp+0x10) 1/r32/ecx <span id="L82" class="LineNr"> 82 </span> 8d/copy-address *(eax+ecx) 1/r32/ecx <span id="L83" class="LineNr"> 83 </span> <span class="subxComment">#</span> <span id="L84" class="LineNr"> 84 </span> (<a href='107trace.subx.html#L892'>_append-4</a> %edx %ebx %eax %ecx) <span class="subxComment"># =&gt; eax</span> <span id="L85" class="LineNr"> 85 </span> <span class="subxComment"># s-&gt;write += n</span> <span id="L86" class="LineNr"> 86 </span> 8b/-&gt; *(ebp+0x10) 1/r32/ecx <span id="L87" class="LineNr"> 87 </span> 01/add-to *edi 1/r32/ecx <span id="L88" class="LineNr"> 88 </span><span class="Constant">$write-to-stream:end</span>: <span id="L89" class="LineNr"> 89 </span> <span class="subxS1Comment"># . restore registers</span> <span id="L90" class="LineNr"> 90 </span> 5f/pop-to-edi <span id="L91" class="LineNr"> 91 </span> 5b/pop-to-ebx <span id="L92" class="LineNr"> 92 </span> 5a/pop-to-edx <span id="L93" class="LineNr"> 93 </span> 59/pop-to-ecx <span id="L94" class="LineNr"> 94 </span> 58/pop-to-eax <span id="L95" class="LineNr"> 95 </span> <span class="subxS1Comment"># . epilogue</span> <span id="L96" class="LineNr"> 96 </span> 89/&lt;- %esp 5/r32/ebp <span id="L97" class="LineNr"> 97 </span> 5d/pop-to-ebp <span id="L98" class="LineNr"> 98 </span> c3/return <span id="L99" class="LineNr"> 99 </span> <span id="L100" class="LineNr">100 </span><span class="Constant">$write-to-stream:abort</span>: <span id="L101" class="LineNr">101 </span> (<a href='116write-buffered.subx.html#L8'>write-buffered</a> <span class="SpecialChar"><a href='116write-buffered.subx.html#L209'>Stderr</a></span> <span class="Constant">&quot;write-to-stream: stream full\n&quot;</span>) <span id="L102" class="LineNr">102 </span> (<a href='115write-byte.subx.html#L81'>flush</a> <span class="SpecialChar"><a href='116write-buffered.subx.html#L209'>Stderr</a></span>) <span id="L103" class="LineNr">103 </span> bb/copy-to-ebx 1/imm32 <span id="L104" class="LineNr">104 </span> (<a href='000init.subx.html#L18'>syscall_exit</a>) <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="subxFunction">read-from-stream</span>: <span class="subxComment"># s: (addr stream _), out: (addr byte), n: int</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="subxS1Comment"># . save registers</span> <span id="L112" class="LineNr">112 </span> 50/push-eax <span id="L113" class="LineNr">113 </span> 51/push-ecx <span id="L114" class="LineNr">114 </span> 52/push-edx <span id="L115" class="LineNr">115 </span> 53/push-ebx <span id="L116" class="LineNr">116 </span> 56/push-esi <span id="L117" class="LineNr">117 </span> <span class="subxComment"># esi = s</span> <span id="L118" class="LineNr">118 </span> 8b/-&gt; *(ebp+8) 6/r32/esi <span id="L119" class="LineNr">119 </span> <span class="subxComment"># var sread/edx: int = s-&gt;read</span> <span id="L120" class="LineNr">120 </span> 8b/-&gt; *(esi+4) 2/r32/edx <span id="L121" class="LineNr">121 </span> <span class="subxComment"># if (sread + n &gt; s-&gt;write) abort</span> <span id="L122" class="LineNr">122 </span> 8b/-&gt; *(ebp+0x10) 1/r32/ecx <span id="L123" class="LineNr">123 </span> 01/add-to %ecx 2/r32/edx <span id="L124" class="LineNr">124 </span> 3b/compare 1/r32/ecx *esi <span id="L125" class="LineNr">125 </span> 0f 8f/jump-if-&gt; $read-from-stream:abort/disp32 <span id="L126" class="LineNr">126 </span> <span class="subxComment"># var in/edx: (addr byte) = s-&gt;data + s-&gt;read</span> <span id="L127" class="LineNr">127 </span> 8d/copy-address *(esi+edx+0xc) 2/r32/edx <span id="L128" class="LineNr">128 </span> <span class="subxComment"># var inend/ebx: (addr byte) = in + n</span> <span id="L129" class="LineNr">129 </span> 8b/-&gt; *(ebp+0x10) 3/r32/ebx <span id="L130" class="LineNr">130 </span> 8d/copy-address *(edx+ebx) 3/r32/ebx <span id="L131" class="LineNr">131 </span> <span class="subxComment"># eax = out</span> <span id="L132" class="LineNr">132 </span> 8b/-&gt; *(ebp+0xc) 0/r32/eax <span id="L133" class="LineNr">133 </span> <span class="subxComment"># var outend/ecx: (addr byte) = out + n</span> <span id="L134" class="LineNr">134 </span> 8b/-&gt; *(ebp+0x10) 1/r32/ecx <span id="L135" class="LineNr">135 </span> 8d/copy-address *(eax+ecx) 1/r32/ecx <span id="L136" class="LineNr">136 </span> <span class="subxComment">#</span> <span id="L137" class="LineNr">137 </span> (<a href='107trace.subx.html#L892'>_append-4</a> %eax %ecx %edx %ebx) <span class="subxComment"># =&gt; eax</span> <span id="L138" class="LineNr">138 </span> <span class="subxComment"># s-&gt;read += n</span> <span id="L139" class="LineNr">139 </span> 8b/-&gt; *(ebp+0x10) 1/r32/ecx <span id="L140" class="LineNr">140 </span> 01/add-to *(esi+4) 1/r32/ecx <span id="L141" class="LineNr">141 </span><span class="Constant">$read-from-stream:end</span>: <span id="L142" class="LineNr">142 </span> <span class="subxS1Comment"># . restore registers</span> <span id="L143" class="LineNr">143 </span> 5e/pop-to-esi <span id="L144" class="LineNr">144 </span> 5b/pop-to-ebx <span id="L145" class="LineNr">145 </span> 5a/pop-to-edx <span id="L146" class="LineNr">146 </span> 59/pop-to-ecx <span id="L147" class="LineNr">147 </span> 58/pop-to-eax <span id="L148" class="LineNr">148 </span> <span class="subxS1Comment"># . epilogue</span> <span id="L149" class="LineNr">149 </span> 89/&lt;- %esp 5/r32/ebp <span id="L150" class="LineNr">150 </span> 5d/pop-to-ebp <span id="L151" class="LineNr">151 </span> c3/return <span id="L152" class="LineNr">152 </span> <span id="L153" class="LineNr">153 </span><span class="Constant">$read-from-stream:abort</span>: <span id="L154" class="LineNr">154 </span> (<a href='116write-buffered.subx.html#L8'>write-buffered</a> <span class="SpecialChar"><a href='116write-buffered.subx.html#L209'>Stderr</a></span> <span class="Constant">&quot;read-from-stream: stream empty\n&quot;</span>) <span id="L155" class="LineNr">155 </span> (<a href='115write-byte.subx.html#L81'>flush</a> <span class="SpecialChar"><a href='116write-buffered.subx.html#L209'>Stderr</a></span>) <span id="L156" class="LineNr">156 </span> bb/copy-to-ebx 1/imm32 <span id="L157" class="LineNr">157 </span> (<a href='000init.subx.html#L18'>syscall_exit</a>) <span id="L158" class="LineNr">158 </span> <span class="subxComment"># never gets here</span> <span id="L159" class="LineNr">159 </span> <span id="L160" class="LineNr">160 </span><span class="subxFunction">stream-first</span>: <span class="subxComment"># s: (addr stream byte) -&gt; result/eax: byte</span> <span id="L161" class="LineNr">161 </span> <span class="subxS1Comment"># . prologue</span> <span id="L162" class="LineNr">162 </span> 55/push-ebp <span id="L163" class="LineNr">163 </span> 89/&lt;- %ebp 4/r32/esp <span id="L164" class="LineNr">164 </span> <span class="subxS1Comment"># . save registers</span> <span id="L165" class="LineNr">165 </span> 51/push-ecx <span id="L166" class="LineNr">166 </span> 56/push-esi <span id="L167" class="LineNr">167 </span> <span class="subxComment"># result = false</span> <span id="L168" class="LineNr">168 </span> b8/copy-to-eax 0/imm32 <span id="L169" class="LineNr">169 </span> <span class="subxComment"># esi = s</span> <span id="L170" class="LineNr">170 </span> 8b/-&gt; *(ebp+8) 6/r32/esi <span id="L171" class="LineNr">171 </span> <span class="subxComment"># var idx/ecx: int = s-&gt;read</span> <span id="L172" class="LineNr">172 </span> 8b/-&gt; *(esi+4) 1/r32/ecx <span id="L173" class="LineNr">173 </span> <span class="subxComment"># if idx &gt;= s-&gt;write return 0</span> <span id="L174" class="LineNr">174 </span> 3b/compare-with 1/r32/ecx *esi <span id="L175" class="LineNr">175 </span> 7d/jump-if-&gt;= $stream-first:end/disp8 <span id="L176" class="LineNr">176 </span> <span class="subxComment"># result = s-&gt;data[idx]</span> <span id="L177" class="LineNr">177 </span> 8a/byte-&gt; *(esi+ecx+0xc) 0/r32/AL <span id="L178" class="LineNr">178 </span><span class="Constant">$stream-first:end</span>: <span id="L179" class="LineNr">179 </span> <span class="subxS1Comment"># . restore registers</span> <span id="L180" class="LineNr">180 </span> 5e/pop-to-esi <span id="L181" class="LineNr">181 </span> 59/pop-to-ecx <span id="L182" class="LineNr">182 </span> <span class="subxS1Comment"># . epilogue</span> <span id="L183" class="LineNr">183 </span> 89/&lt;- %esp 5/r32/ebp <span id="L184" class="LineNr">184 </span> 5d/pop-to-ebp <span id="L185" class="LineNr">185 </span> c3/return <span id="L186" class="LineNr">186 </span> <span id="L187" class="LineNr">187 </span><span class="subxFunction">stream-final</span>: <span class="subxComment"># s: (addr stream byte) -&gt; result/eax: byte</span> <span id="L188" class="LineNr">188 </span> <span class="subxS1Comment"># . prologue</span> <span id="L189" class="LineNr">189 </span> 55/push-ebp <span id="L190" class="LineNr">190 </span> 89/&lt;- %ebp 4/r32/esp <span id="L191" class="LineNr">191 </span> <span class="subxS1Comment"># . save registers</span> <span id="L192" class="LineNr">192 </span> 51/push-ecx <span id="L193" class="LineNr">193 </span> 56/push-esi <span id="L194" class="LineNr">194 </span> <span class="subxComment"># result = false</span> <span id="L195" class="LineNr">195 </span> b8/copy-to-eax 0/imm32 <span id="L196" class="LineNr">196 </span> <span class="subxComment"># esi = s</span> <span id="L197" class="LineNr">197 </span> 8b/-&gt; *(ebp+8) 6/r32/esi <span id="L198" class="LineNr">198 </span> <span class="subxComment"># var max/ecx: int = s-&gt;write</span> <span id="L199" class="LineNr">199 </span> 8b/-&gt; *esi 1/r32/ecx <span id="L200" class="LineNr">200 </span> <span class="subxComment"># if s-&gt;read &gt;= max return 0</span> <span id="L201" class="LineNr">201 </span> 39/compare-with *(esi+4) 1/r32/ecx <span id="L202" class="LineNr">202 </span> 7d/jump-if-&gt;= $stream-final:end/disp8 <span id="L203" class="LineNr">203 </span> <span class="subxComment"># var idx/ecx: int = max - 1</span> <span id="L204" class="LineNr">204 </span> 49/decrement-ecx <span id="L205" class="LineNr">205 </span> <span class="subxComment"># result = s-&gt;data[idx]</span> <span id="L206" class="LineNr">206 </span> 8a/byte-&gt; *(esi+ecx+0xc) 0/r32/AL <span id="L207" class="LineNr">207 </span><span class="Constant">$stream-final:end</span>: <span id="L208" class="LineNr">208 </span> <span class="subxS1Comment"># . restore registers</span> <span id="L209" class="LineNr">209 </span> 5e/pop-to-esi <span id="L210" class="LineNr">210 </span> 59/pop-to-ecx <span id="L211" class="LineNr">211 </span> <span class="subxS1Comment"># . epilogue</span> <span id="L212" class="LineNr">212 </span> 89/&lt;- %esp 5/r32/ebp <span id="L213" class="LineNr">213 </span> 5d/pop-to-ebp <span id="L214" class="LineNr">214 </span> c3/return </pre> </body> </html> <!-- vim: set foldmethod=manual : -->