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Diffstat (limited to 'html/subx/034discourage_raw_hex.cc.html')
| -rw-r--r-- | html/subx/034discourage_raw_hex.cc.html | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/html/subx/034discourage_raw_hex.cc.html b/html/subx/034discourage_raw_hex.cc.html new file mode 100644 index 00000000..a6a414af --- /dev/null +++ b/html/subx/034discourage_raw_hex.cc.html @@ -0,0 +1,102 @@ +<!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 - subx/034discourage_raw_hex.cc</title> +<meta name="Generator" content="Vim/7.4"> +<meta name="plugin-version" content="vim7.4_v2"> +<meta name="syntax" content="cpp"> +<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> +<meta name="colorscheme" content="minimal"> +<style type="text/css"> +<!-- +pre { white-space: pre-wrap; font-family: monospace; color: #aaaaaa; background-color: #080808; } +body { font-size: 12pt; font-family: monospace; color: #aaaaaa; background-color: #080808; } +a { color:#eeeeee; text-decoration: none; } +a:hover { text-decoration: underline; } +* { font-size: 12pt; font-size: 1em; } +.Constant { color: #00a0a0; } +.Comment { color: #9090ff; } +.Comment a { color:#0000ee; text-decoration:underline; } +.Delimiter { color: #800080; } +.LineNr { color: #444444; } +.Identifier { color: #c0a020; } +.Normal { color: #aaaaaa; background-color: #080808; padding-bottom: 1px; } +.PreProc { color: #800080; } +.traceContains { color: #008000; } +.traceAbsent { color: #c00000; } +.cSpecial { color: #008000; } +--> +</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; + } + 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();'> +<pre id='vimCodeElement'> +<span id="L1" class="LineNr"> 1 </span><span class="Comment">//: Now that we have operand metadata, start warning on instructions that</span> +<span id="L2" class="LineNr"> 2 </span><span class="Comment">//: don't use it.</span> +<span id="L3" class="LineNr"> 3 </span><span class="Comment">//:</span> +<span id="L4" class="LineNr"> 4 </span><span class="Comment">//: While SubX will let you write raw machine code, don't do that unless you</span> +<span id="L5" class="LineNr"> 5 </span><span class="Comment">//: have a very good reason.</span> +<span id="L6" class="LineNr"> 6 </span> +<span id="L7" class="LineNr"> 7 </span><span class="Delimiter">:(before "Pack Operands(segment code)")</span> +<span id="L8" class="LineNr"> 8 </span><a href='034discourage_raw_hex.cc.html#L11'>warn_on_raw_hex</a><span class="Delimiter">(</span>code<span class="Delimiter">);</span> +<span id="L9" class="LineNr"> 9 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L217'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L10" class="LineNr">10 </span><span class="Delimiter">:(code)</span> +<span id="L11" class="LineNr">11 </span><span class="Normal">void</span> <a href='034discourage_raw_hex.cc.html#L11'>warn_on_raw_hex</a><span class="Delimiter">(</span><span class="Normal">const</span> segment& code<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L12" class="LineNr">12 </span> <a href='003trace.cc.html#L196'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"-- <a href='003trace.cc.html#L204'>warn</a> on raw hex instructions"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L13" class="LineNr">13 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < <a href='001help.cc.html#L157'>SIZE</a><span class="Delimiter">(</span>code<span class="Delimiter">.</span><a href='011run.cc.html#L106'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L14" class="LineNr">14 </span> <span class="Normal">const</span> line& inst = code<span class="Delimiter">.</span><a href='011run.cc.html#L106'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L15" class="LineNr">15 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>all_hex_bytes<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> && <a href='031check_operands.cc.html#L272'>has_operands</a><span class="Delimiter">(</span>inst<span class="Delimiter">))</span> <span class="Delimiter">{</span> +<span id="L16" class="LineNr">16 </span> <a href='003trace.cc.html#L204'>warn</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"': using raw hex is not recommended</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L222'>end</a><span class="Delimiter">();</span> +<span id="L17" class="LineNr">17 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L18" class="LineNr">18 </span> <span class="Delimiter">}</span> +<span id="L19" class="LineNr">19 </span> <span class="Delimiter">}</span> +<span id="L20" class="LineNr">20 </span><span class="Delimiter">}</span> +<span id="L21" class="LineNr">21 </span> +<span id="L22" class="LineNr">22 </span><span class="Delimiter">:(scenarios transform)</span> +<span id="L23" class="LineNr">23 </span><span class="Delimiter">:(scenario warn_on_hex_bytes_without_operands)</span> +<span id="L24" class="LineNr">24 </span>== <span class="Constant">0x1</span> +<span id="L25" class="LineNr">25 </span>bb 2a <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="PreProc">0</span><span class="Constant">0</span> <span class="Comment"># copy 0x2a (42) to EBX</span> +<span id="L26" class="LineNr">26 </span><span class="traceContains">+warn: 'bb 2a 00 00 00': using raw hex is not recommended</span> +<span id="L27" class="LineNr">27 </span> +<span id="L28" class="LineNr">28 </span><span class="Delimiter">:(scenario warn_on_non_operand_metadata)</span> +<span id="L29" class="LineNr">29 </span>== <span class="Constant">0x1</span> +<span id="L30" class="LineNr">30 </span>bb 2a <span class="PreProc">0</span><span class="Constant">0</span>/foo <span class="PreProc">0</span><span class="Constant">0</span>/bar <span class="PreProc">0</span><span class="Constant">0</span> <span class="Comment"># copy 0x2a (42) to EBX</span> +<span id="L31" class="LineNr">31 </span><span class="traceContains">+warn: 'bb 2a 00/foo 00/bar 00': using raw hex is not recommended</span> +<span id="L32" class="LineNr">32 </span> +<span id="L33" class="LineNr">33 </span><span class="Delimiter">:(scenario no_warn_on_instructions_without_operands)</span> +<span id="L34" class="LineNr">34 </span>== <span class="Constant">0x1</span> +<span id="L35" class="LineNr">35 </span><span class="Constant">55</span> <span class="Comment"># push EBP</span> +<span id="L36" class="LineNr">36 </span><span class="traceAbsent">-warn: '55': using raw hex is not recommended</span> +</pre> +</body> +</html> +<!-- vim: set foldmethod=manual : --> |