2020-07-30 05:04:13 +00:00
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2020-12-30 17:37:50 +00:00
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<a href='https://github.com/akkartik/mu/blob/main/308allocate-array.subx'>https://github.com/akkartik/mu/blob/main/308allocate-array.subx</a>
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2020-07-30 05:04:13 +00:00
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<pre id='vimCodeElement'>
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<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># 2-arg version of allocate-array.</span>
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2020-11-18 02:24:38 +00:00
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<span id="L2" class="LineNr"> 2 </span><span class="subxComment"># Really only intended to be called from code generated by mu.subx.</span>
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<span id="L3" class="LineNr"> 3 </span>
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<span id="L4" class="LineNr"> 4 </span>== code
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<span id="L5" class="LineNr"> 5 </span>
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<span id="L6" class="LineNr"> 6 </span><span class="subxFunction">allocate-array2</span>: <span class="subxComment"># ad: (addr allocation-descriptor), array-len: int, elem-size: int, out: (addr handle array _)</span>
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<span id="L7" class="LineNr"> 7 </span> <span class="subxS1Comment"># . prologue</span>
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<span id="L8" class="LineNr"> 8 </span> 55/push-ebp
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<span id="L9" class="LineNr"> 9 </span> 89/<- %ebp 4/r32/esp
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<span id="L10" class="LineNr">10 </span> <span class="subxS1Comment"># . save registers</span>
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<span id="L11" class="LineNr">11 </span> 50/push-eax
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<span id="L12" class="LineNr">12 </span> 52/push-edx
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<span id="L13" class="LineNr">13 </span> <span class="subxComment">#</span>
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<span id="L14" class="LineNr">14 </span> 8b/-> *(ebp+0xc) 0/r32/eax
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<span id="L15" class="LineNr">15 </span> f7 4/subop/multiply-into-edx-eax *(ebp+0x10)
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<span id="L16" class="LineNr">16 </span> <span class="subxComment"># TODO: check edx for overflow</span>
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2021-05-18 20:01:59 +00:00
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<span id="L17" class="LineNr">17 </span> (<a href='120allocate.subx.html#L556'>allocate-array</a> *(ebp+8) %eax *(ebp+0x14))
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2020-11-18 02:24:38 +00:00
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<span id="L18" class="LineNr">18 </span><span class="Constant">$allocate-array2:end</span>:
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<span id="L19" class="LineNr">19 </span> <span class="subxS1Comment"># . restore registers</span>
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<span id="L20" class="LineNr">20 </span> 5a/pop-to-edx
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<span id="L21" class="LineNr">21 </span> 58/pop-to-eax
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<span id="L22" class="LineNr">22 </span> <span class="subxS1Comment"># . epilogue</span>
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<span id="L23" class="LineNr">23 </span> 89/<- %esp 5/r32/ebp
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<span id="L24" class="LineNr">24 </span> 5d/pop-to-ebp
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<span id="L25" class="LineNr">25 </span> c3/return
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2020-07-30 05:04:13 +00:00
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</pre>
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