<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Mu - baremetal/308allocate-array.subx</title> <meta name="Generator" content="Vim/8.1"> <meta name="plugin-version" content="vim8.1_v1"> <meta name="syntax" content="none"> <meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> <meta name="colorscheme" content="minimal-light"> <style type="text/css"> <!-- pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #c6c6c6; } body { font-size:12pt; font-family: monospace; color: #000000; background-color: #c6c6c6; } a { color:inherit; } * { font-size:12pt; font-size: 1em; } .subxComment { color: #005faf; } .subxS1Comment { color: #0000af; } .LineNr { } .subxFunction { color: #af5f00; text-decoration: underline; } .Constant { color: #008787; } --> </style> <script type='text/javascript'> <!-- /* function to open any folds containing a jumped-to line before jumping to it */ function JumpToLine() { var lineNum; lineNum = window.location.hash; lineNum = lineNum.substr(1); /* strip off '#' */ if (lineNum.indexOf('L') == -1) { lineNum = 'L'+lineNum; } var lineElem = document.getElementById(lineNum); /* Always jump to new location even if the line was hidden inside a fold, or * we corrected the raw number to a line ID. */ if (lineElem) { lineElem.scrollIntoView(true); } return true; } if ('onhashchange' in window) { window.onhashchange = JumpToLine; } --> </script> </head> <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/baremetal/308allocate-array.subx'>https://github.com/akkartik/mu/blob/main/baremetal/308allocate-array.subx</a> <pre id='vimCodeElement'> <span id="L1" class="LineNr"> 1 </span><span class="subxComment"># 2-arg version of allocate-array.</span> <span id="L2" class="LineNr"> 2 </span><span class="subxComment"># Really only intended to be called from code generated by mu.subx.</span> <span id="L3" class="LineNr"> 3 </span> <span id="L4" class="LineNr"> 4 </span>== code <span id="L5" class="LineNr"> 5 </span> <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> <span id="L7" class="LineNr"> 7 </span> <span class="subxS1Comment"># . prologue</span> <span id="L8" class="LineNr"> 8 </span> 55/push-ebp <span id="L9" class="LineNr"> 9 </span> 89/<- %ebp 4/r32/esp <span id="L10" class="LineNr">10 </span> <span class="subxS1Comment"># . save registers</span> <span id="L11" class="LineNr">11 </span> 50/push-eax <span id="L12" class="LineNr">12 </span> 52/push-edx <span id="L13" class="LineNr">13 </span> <span class="subxComment">#</span> <span id="L14" class="LineNr">14 </span> 8b/-> *(ebp+0xc) 0/r32/eax <span id="L15" class="LineNr">15 </span> f7 4/subop/multiply-into-edx-eax *(ebp+0x10) <span id="L16" class="LineNr">16 </span> <span class="subxComment"># TODO: check edx for overflow</span> <span id="L17" class="LineNr">17 </span> (<a href='120allocate.subx.html#L535'>allocate-array</a> *(ebp+8) %eax *(ebp+0x14)) <span id="L18" class="LineNr">18 </span><span class="Constant">$allocate-array2:end</span>: <span id="L19" class="LineNr">19 </span> <span class="subxS1Comment"># . restore registers</span> <span id="L20" class="LineNr">20 </span> 5a/pop-to-edx <span id="L21" class="LineNr">21 </span> 58/pop-to-eax <span id="L22" class="LineNr">22 </span> <span class="subxS1Comment"># . epilogue</span> <span id="L23" class="LineNr">23 </span> 89/<- %esp 5/r32/ebp <span id="L24" class="LineNr">24 </span> 5d/pop-to-ebp <span id="L25" class="LineNr">25 </span> c3/return </pre> </body> </html> <!-- vim: set foldmethod=manual : -->