2020-06-30 21:54:30 +00:00
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2020-07-11 06:44:10 +00:00
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2020-06-30 21:54:30 +00:00
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2020-07-11 06:44:10 +00:00
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<a href='https://github.com/akkartik/mu/blob/master/307size.subx'>https://github.com/akkartik/mu/blob/master/307size.subx</a>
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2020-06-30 21:54:30 +00:00
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<pre id='vimCodeElement'>
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<span id="L1" class="LineNr"> 1 </span><span class="subxComment"># Size of an array in bytes.</span>
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<span id="L2" class="LineNr"> 2 </span>
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<span id="L3" class="LineNr"> 3 </span>== code
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<span id="L4" class="LineNr"> 4 </span>
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<span id="L5" class="LineNr"> 5 </span><span class="subxFunction">size</span>: <span class="subxComment"># in: (addr array _) -> result/eax: int</span>
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<span id="L6" class="LineNr"> 6 </span> <span class="subxS1Comment"># . prologue</span>
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<span id="L7" class="LineNr"> 7 </span> 55/push-ebp
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<span id="L8" class="LineNr"> 8 </span> 89/<- %ebp 4/r32/esp
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<span id="L9" class="LineNr"> 9 </span> <span class="subxComment"># eax = in</span>
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<span id="L10" class="LineNr">10 </span> 8b/-> *(ebp+8) 0/r32/eax
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<span id="L11" class="LineNr">11 </span> <span class="subxComment">#</span>
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<span id="L12" class="LineNr">12 </span> 8b/-> *eax 0/r32/eax
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<span id="L13" class="LineNr">13 </span><span class="Constant">$size:end</span>:
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<span id="L14" class="LineNr">14 </span> <span class="subxS1Comment"># . epilogue</span>
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<span id="L15" class="LineNr">15 </span> 89/<- %esp 5/r32/ebp
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<span id="L16" class="LineNr">16 </span> 5d/pop-to-ebp
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<span id="L17" class="LineNr">17 </span> c3/return
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