Kartik K. Agaram
parent
f959569491
commit
9e45873ff4
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@ -279,6 +279,32 @@ if ('onhashchange' in window) {
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<span id="L214" class="LineNr">214 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"storing 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << *arg1 << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L215" class="LineNr">215 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
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<span id="L216" class="LineNr">216 </span><span class="Delimiter">}</span>
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<span id="L217" class="LineNr">217 </span>
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<span id="L218" class="LineNr">218 </span><span class="SalientComment">//:: push</span>
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<span id="L219" class="LineNr">219 </span>
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<span id="L220" class="LineNr">220 </span><span class="Delimiter">:(scenario push_r32)</span>
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<span id="L221" class="LineNr">221 </span><span class="Special">% Reg[ESP].u = 0x64;</span>
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<span id="L222" class="LineNr">222 </span><span class="Special">% Reg[EBX].i = 10;</span>
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<span id="L223" class="LineNr">223 </span><span class="Comment"># op ModRM SIB displacement immediate</span>
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<span id="L224" class="LineNr">224 </span> <span class="Constant">50</span> <span class="PreProc">0</span><span class="Constant">3</span> <span class="Comment"># push EBX (reg 3) to stack</span>
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<span id="L225" class="LineNr">225 </span><span class="traceContains">+run: push <a href='010core.cc.html#L17'>reg</a> 3</span>
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<span id="L226" class="LineNr">226 </span><span class="traceContains">+run: pushing value 0x0000000a</span>
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<span id="L227" class="LineNr">227 </span><span class="traceContains">+run: <a href='010core.cc.html#L11'>ESP</a> is now 0x00000060</span>
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<span id="L228" class="LineNr">228 </span><span class="traceContains">+run: <a href='003trace.cc.html#L74'>contents</a> at <a href='010core.cc.html#L11'>ESP</a>: 0x0000000a</span>
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<span id="L229" class="LineNr">229 </span>
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<span id="L230" class="LineNr">230 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span>
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<span id="L231" class="LineNr">231 </span><span class="Normal">case</span> <span class="Constant">0x50</span>: <span class="Delimiter">{</span>
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<span id="L232" class="LineNr">232 </span> <span class="Normal">uint8_t</span> modrm = <a href='010core.cc.html#L214'>next</a><span class="Delimiter">();</span>
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<span id="L233" class="LineNr">233 </span> <span class="Normal">uint8_t</span> <a href='010core.cc.html#L17'>reg</a> = modrm & <span class="Constant">0x7</span><span class="Delimiter">;</span>
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<span id="L234" class="LineNr">234 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"push <a href='010core.cc.html#L17'>reg</a> "</span> << <a href='010core.cc.html#L232'>NUM</a><span class="Delimiter">(</span><a href='010core.cc.html#L17'>reg</a><span class="Delimiter">)</span> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L235" class="LineNr">235 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span> val = Reg[reg]<span class="Delimiter">.</span>u<span class="Delimiter">;</span>
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<span id="L236" class="LineNr">236 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"pushing value 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << val << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L237" class="LineNr">237 </span> Reg[ESP]<span class="Delimiter">.</span>u -= <span class="Constant">4</span><span class="Delimiter">;</span>
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<span id="L238" class="LineNr">238 </span> *<span class="Normal">reinterpret_cast</span><<span class="Normal">uint32_t</span>*><span class="Delimiter">(</span>&Mem<span class="Delimiter">.</span>at<span class="Delimiter">(</span>Reg[ESP]<span class="Delimiter">.</span>u<span class="Delimiter">))</span> = val<span class="Delimiter">;</span>
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<span id="L239" class="LineNr">239 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"ESP is now 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << Reg[ESP]<span class="Delimiter">.</span>u << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L240" class="LineNr">240 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"contents at <a href='010core.cc.html#L11'>ESP</a>: 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << *<span class="Normal">reinterpret_cast</span><<span class="Normal">uint32_t</span>*><span class="Delimiter">(</span>&Mem<span class="Delimiter">.</span>at<span class="Delimiter">(</span>Reg[ESP]<span class="Delimiter">.</span>u<span class="Delimiter">))</span> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L241" class="LineNr">241 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
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<span id="L242" class="LineNr">242 </span><span class="Delimiter">}</span>
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</pre>
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</body>
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</html>
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@ -392,16 +392,43 @@ if ('onhashchange' in window) {
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<span id="L327" class="LineNr">327 </span> <span class="Normal">uint8_t</span> modrm = <a href='010core.cc.html#L214'>next</a><span class="Delimiter">();</span>
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<span id="L328" class="LineNr">328 </span> <span class="Normal">uint8_t</span> subop = <span class="Delimiter">(</span>modrm>><span class="Constant">3</span><span class="Delimiter">)</span>&<span class="Constant">0x7</span><span class="Delimiter">;</span> <span class="Comment">// middle 3 'reg opcode' bits</span>
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<span id="L329" class="LineNr">329 </span> <span class="Normal">switch</span> <span class="Delimiter">(</span>subop<span class="Delimiter">)</span> <span class="Delimiter">{</span>
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<span id="L330" class="LineNr">330 </span> <span class="Normal">case</span> <span class="Constant">4</span>:
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<span id="L331" class="LineNr">331 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump to effective address"</span> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L332" class="LineNr">332 </span> <span class="Conceal">¦</span> <span class="Normal">int32_t</span>* arg2 = <a href='011direct_addressing.cc.html#L26'>effective_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
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<span id="L333" class="LineNr">333 </span> <span class="Conceal">¦</span> <a href='010core.cc.html#L23'>EIP</a> = *arg2<span class="Delimiter">;</span>
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<span id="L334" class="LineNr">334 </span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jumping to 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << <a href='010core.cc.html#L23'>EIP</a> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L335" class="LineNr">335 </span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
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<span id="L336" class="LineNr">336 </span> <span class="Comment">// End Op ff Subops</span>
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<span id="L337" class="LineNr">337 </span> <span class="Delimiter">}</span>
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<span id="L338" class="LineNr">338 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
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<span id="L339" class="LineNr">339 </span><span class="Delimiter">}</span>
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<span id="L330" class="LineNr">330 </span> <span class="Conceal">¦</span> <span class="Normal">case</span> <span class="Constant">4</span>: <span class="Delimiter">{</span>
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<span id="L331" class="LineNr">331 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jump to effective address"</span> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L332" class="LineNr">332 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Normal">int32_t</span>* arg2 = <a href='011direct_addressing.cc.html#L26'>effective_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
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<span id="L333" class="LineNr">333 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='010core.cc.html#L23'>EIP</a> = *arg2<span class="Delimiter">;</span>
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<span id="L334" class="LineNr">334 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"jumping to 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << <a href='010core.cc.html#L23'>EIP</a> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L335" class="LineNr">335 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
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<span id="L336" class="LineNr">336 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span>
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<span id="L337" class="LineNr">337 </span> <span class="Conceal">¦</span> <span class="Comment">// End Op ff Subops</span>
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<span id="L338" class="LineNr">338 </span> <span class="Delimiter">}</span>
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<span id="L339" class="LineNr">339 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
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<span id="L340" class="LineNr">340 </span><span class="Delimiter">}</span>
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<span id="L341" class="LineNr">341 </span>
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<span id="L342" class="LineNr">342 </span><span class="SalientComment">//:: push</span>
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<span id="L343" class="LineNr">343 </span>
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<span id="L344" class="LineNr">344 </span><span class="Delimiter">:(scenario push_mem_at_r32)</span>
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<span id="L345" class="LineNr">345 </span><span class="Special">% Reg[0].i = 0x60;</span>
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<span id="L346" class="LineNr">346 </span><span class="Special">% SET_WORD_IN_MEM(0x60, 0x000000af);</span>
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<span id="L347" class="LineNr">347 </span><span class="Special">% Reg[ESP].u = 0x14;</span>
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<span id="L348" class="LineNr">348 </span><span class="Comment"># op ModRM SIB displacement immediate</span>
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<span id="L349" class="LineNr">349 </span> ff <span class="Constant">30</span> <span class="Comment"># push *EAX (reg 0) to stack</span>
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<span id="L350" class="LineNr">350 </span><span class="traceContains">+run: push effective address</span>
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<span id="L351" class="LineNr">351 </span><span class="traceContains">+run: effective address is mem at address 0x60 (reg 0)</span>
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<span id="L352" class="LineNr">352 </span><span class="traceContains">+run: <a href='010core.cc.html#L11'>ESP</a> is now 0x00000010</span>
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<span id="L353" class="LineNr">353 </span><span class="traceContains">+run: <a href='003trace.cc.html#L74'>contents</a> at <a href='010core.cc.html#L11'>ESP</a>: 0x000000af</span>
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<span id="L354" class="LineNr">354 </span>
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<span id="L355" class="LineNr">355 </span><span class="Delimiter">:(before "End Op ff Subops")</span>
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<span id="L356" class="LineNr">356 </span><span class="Normal">case</span> <span class="Constant">6</span>: <span class="Delimiter">{</span>
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<span id="L357" class="LineNr">357 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"push effective address"</span> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L358" class="LineNr">358 </span> <span class="Normal">const</span> <span class="Normal">int32_t</span>* val = <a href='011direct_addressing.cc.html#L26'>effective_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
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<span id="L359" class="LineNr">359 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"pushing value 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << *val << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L360" class="LineNr">360 </span> Reg[ESP]<span class="Delimiter">.</span>u -= <span class="Constant">4</span><span class="Delimiter">;</span>
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<span id="L361" class="LineNr">361 </span> *<span class="Normal">reinterpret_cast</span><<span class="Normal">uint32_t</span>*><span class="Delimiter">(</span>&Mem<span class="Delimiter">.</span>at<span class="Delimiter">(</span>Reg[ESP]<span class="Delimiter">.</span>u<span class="Delimiter">))</span> = *val<span class="Delimiter">;</span>
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<span id="L362" class="LineNr">362 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"ESP is now 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << Reg[ESP]<span class="Delimiter">.</span>u << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L363" class="LineNr">363 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"contents at <a href='010core.cc.html#L11'>ESP</a>: 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << *<span class="Normal">reinterpret_cast</span><<span class="Normal">uint32_t</span>*><span class="Delimiter">(</span>&Mem<span class="Delimiter">.</span>at<span class="Delimiter">(</span>Reg[ESP]<span class="Delimiter">.</span>u<span class="Delimiter">))</span> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L364" class="LineNr">364 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
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<span id="L365" class="LineNr">365 </span><span class="Delimiter">}</span>
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<span id="L366" class="LineNr">366 </span>
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</pre>
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</body>
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</html>
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@ -414,22 +414,44 @@ if ('onhashchange' in window) {
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<span id="L350" class="LineNr">350 </span><span class="Delimiter">}</span>
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<span id="L351" class="LineNr">351 </span>
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<span id="L352" class="LineNr">352 </span><span class="Comment">//:</span>
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<span id="L353" class="LineNr">353 </span><span class="Delimiter">:(scenario copy_imm32_to_mem_at_r32)</span>
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<span id="L354" class="LineNr">354 </span><span class="Special">% Reg[3].i = 0x60;</span>
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<span id="L355" class="LineNr">355 </span><span class="Comment"># op ModRM SIB displacement immediate</span>
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<span id="L356" class="LineNr">356 </span> c7 <span class="PreProc">0</span><span class="Constant">3</span> 0a 0b 0c 0d <span class="Comment"># copy 0x0d0c0b0a to *EBX (reg 3)</span>
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<span id="L357" class="LineNr">357 </span><span class="traceContains">+run: copy <a href='010core.cc.html#L219'>imm32</a> 0x0d0c0b0a to effective address</span>
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<span id="L358" class="LineNr">358 </span><span class="traceContains">+run: effective address is mem at address 0x60 (reg 3)</span>
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<span id="L359" class="LineNr">359 </span>
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<span id="L360" class="LineNr">360 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span>
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<span id="L361" class="LineNr">361 </span><span class="Normal">case</span> <span class="Constant">0xc7</span>: <span class="Delimiter">{</span> <span class="Comment">// copy imm32 to r32</span>
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<span id="L362" class="LineNr">362 </span> <span class="Normal">uint8_t</span> modrm = <a href='010core.cc.html#L214'>next</a><span class="Delimiter">();</span>
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<span id="L363" class="LineNr">363 </span> <span class="Normal">int32_t</span> arg2 = <a href='010core.cc.html#L219'>imm32</a><span class="Delimiter">();</span>
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<span id="L364" class="LineNr">364 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"copy <a href='010core.cc.html#L219'>imm32</a> 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << arg2 << <span class="Constant">" to effective address"</span> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
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<span id="L365" class="LineNr">365 </span> <span class="Normal">int32_t</span>* arg1 = <a href='011direct_addressing.cc.html#L26'>effective_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
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<span id="L366" class="LineNr">366 </span> *arg1 = arg2<span class="Delimiter">;</span>
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<span id="L367" class="LineNr">367 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
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<span id="L368" class="LineNr">368 </span><span class="Delimiter">}</span>
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<span id="L353" class="LineNr">353 </span>
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<span id="L354" class="LineNr">354 </span><span class="Delimiter">:(scenario copy_imm32_to_mem_at_r32)</span>
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<span id="L355" class="LineNr">355 </span><span class="Special">% Reg[3].i = 0x60;</span>
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<span id="L356" class="LineNr">356 </span><span class="Comment"># op ModRM SIB displacement immediate</span>
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<span id="L357" class="LineNr">357 </span> c7 <span class="PreProc">0</span><span class="Constant">3</span> 0a 0b 0c 0d <span class="Comment"># copy 0x0d0c0b0a to *EBX (reg 3)</span>
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<span id="L358" class="LineNr">358 </span><span class="traceContains">+run: copy <a href='010core.cc.html#L219'>imm32</a> 0x0d0c0b0a to effective address</span>
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<span id="L359" class="LineNr">359 </span><span class="traceContains">+run: effective address is mem at address 0x60 (reg 3)</span>
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<span id="L360" class="LineNr">360 </span>
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<span id="L361" class="LineNr">361 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span>
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<span id="L362" class="LineNr">362 </span><span class="Normal">case</span> <span class="Constant">0xc7</span>: <span class="Delimiter">{</span> <span class="Comment">// copy imm32 to r32</span>
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<span id="L363" class="LineNr">363 </span> <span class="Normal">uint8_t</span> modrm = <a href='010core.cc.html#L214'>next</a><span class="Delimiter">();</span>
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<span id="L364" class="LineNr">364 </span> <span class="Normal">int32_t</span> arg2 = <a href='010core.cc.html#L219'>imm32</a><span class="Delimiter">();</span>
|
||||
<span id="L365" class="LineNr">365 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"copy <a href='010core.cc.html#L219'>imm32</a> 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << arg2 << <span class="Constant">" to effective address"</span> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
|
||||
<span id="L366" class="LineNr">366 </span> <span class="Normal">int32_t</span>* arg1 = <a href='011direct_addressing.cc.html#L26'>effective_address</a><span class="Delimiter">(</span>modrm<span class="Delimiter">);</span>
|
||||
<span id="L367" class="LineNr">367 </span> *arg1 = arg2<span class="Delimiter">;</span>
|
||||
<span id="L368" class="LineNr">368 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
|
||||
<span id="L369" class="LineNr">369 </span><span class="Delimiter">}</span>
|
||||
<span id="L370" class="LineNr">370 </span>
|
||||
<span id="L371" class="LineNr">371 </span><span class="SalientComment">//:: push</span>
|
||||
<span id="L372" class="LineNr">372 </span>
|
||||
<span id="L373" class="LineNr">373 </span><span class="Delimiter">:(scenario push_imm32)</span>
|
||||
<span id="L374" class="LineNr">374 </span><span class="Special">% Reg[ESP].u = 0x14;</span>
|
||||
<span id="L375" class="LineNr">375 </span><span class="Comment"># op ModRM SIB displacement immediate</span>
|
||||
<span id="L376" class="LineNr">376 </span> <span class="Constant">68</span> af <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"># push *EAX (reg 0) to stack</span>
|
||||
<span id="L377" class="LineNr">377 </span><span class="traceContains">+run: push <a href='010core.cc.html#L219'>imm32</a> 0x000000af</span>
|
||||
<span id="L378" class="LineNr">378 </span><span class="traceContains">+run: <a href='010core.cc.html#L11'>ESP</a> is now 0x00000010</span>
|
||||
<span id="L379" class="LineNr">379 </span><span class="traceContains">+run: <a href='003trace.cc.html#L74'>contents</a> at <a href='010core.cc.html#L11'>ESP</a>: 0x000000af</span>
|
||||
<span id="L380" class="LineNr">380 </span>
|
||||
<span id="L381" class="LineNr">381 </span><span class="Delimiter">:(before "End Single-Byte Opcodes")</span>
|
||||
<span id="L382" class="LineNr">382 </span><span class="Normal">case</span> <span class="Constant">0x68</span>: <span class="Delimiter">{</span>
|
||||
<span id="L383" class="LineNr">383 </span> <span class="Normal">int32_t</span> val = <a href='010core.cc.html#L219'>imm32</a><span class="Delimiter">();</span>
|
||||
<span id="L384" class="LineNr">384 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"push <a href='010core.cc.html#L219'>imm32</a> 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << val << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
|
||||
<span id="L385" class="LineNr">385 </span> Reg[ESP]<span class="Delimiter">.</span>u -= <span class="Constant">4</span><span class="Delimiter">;</span>
|
||||
<span id="L386" class="LineNr">386 </span> *<span class="Normal">reinterpret_cast</span><<span class="Normal">uint32_t</span>*><span class="Delimiter">(</span>&Mem<span class="Delimiter">.</span>at<span class="Delimiter">(</span>Reg[ESP]<span class="Delimiter">.</span>u<span class="Delimiter">))</span> = val<span class="Delimiter">;</span>
|
||||
<span id="L387" class="LineNr">387 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"ESP is now 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << Reg[ESP]<span class="Delimiter">.</span>u << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
|
||||
<span id="L388" class="LineNr">388 </span> <a href='003trace.cc.html#L160'>trace</a><span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">,</span> <span class="Constant">"run"</span><span class="Delimiter">)</span> << <span class="Constant">"contents at <a href='010core.cc.html#L11'>ESP</a>: 0x"</span> << <a href='010core.cc.html#L230'>HEXWORD</a> << *<span class="Normal">reinterpret_cast</span><<span class="Normal">uint32_t</span>*><span class="Delimiter">(</span>&Mem<span class="Delimiter">.</span>at<span class="Delimiter">(</span>Reg[ESP]<span class="Delimiter">.</span>u<span class="Delimiter">))</span> << <a href='003trace.cc.html#L184'>end</a><span class="Delimiter">();</span>
|
||||
<span id="L389" class="LineNr">389 </span> <span class="Identifier">break</span><span class="Delimiter">;</span>
|
||||
<span id="L390" class="LineNr">390 </span><span class="Delimiter">}</span>
|
||||
</pre>
|
||||
</body>
|
||||
</html>
|
||||
|
|
|
|||
|
|
@ -214,3 +214,29 @@ case 0x89: { // copy r32 to r/m32
|
|||
trace(2, "run") << "storing 0x" << HEXWORD << *arg1 << end();
|
||||
break;
|
||||
}
|
||||
|
||||
//:: push
|
||||
|
||||
:(scenario push_r32)
|
||||
% Reg[ESP].u = 0x64;
|
||||
% Reg[EBX].i = 10;
|
||||
# op ModRM SIB displacement immediate
|
||||
50 03 # push EBX (reg 3) to stack
|
||||
+run: push reg 3
|
||||
+run: pushing value 0x0000000a
|
||||
+run: ESP is now 0x00000060
|
||||
+run: contents at ESP: 0x0000000a
|
||||
|
||||
:(before "End Single-Byte Opcodes")
|
||||
case 0x50: {
|
||||
uint8_t modrm = next();
|
||||
uint8_t reg = modrm & 0x7;
|
||||
trace(2, "run") << "push reg " << NUM(reg) << end();
|
||||
const int32_t val = Reg[reg].u;
|
||||
trace(2, "run") << "pushing value 0x" << HEXWORD << val << end();
|
||||
Reg[ESP].u -= 4;
|
||||
*reinterpret_cast<uint32_t*>(&Mem.at(Reg[ESP].u)) = val;
|
||||
trace(2, "run") << "ESP is now 0x" << HEXWORD << Reg[ESP].u << end();
|
||||
trace(2, "run") << "contents at ESP: 0x" << HEXWORD << *reinterpret_cast<uint32_t*>(&Mem.at(Reg[ESP].u)) << end();
|
||||
break;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -327,13 +327,40 @@ case 0xff: { // jump to r/m32
|
|||
uint8_t modrm = next();
|
||||
uint8_t subop = (modrm>>3)&0x7; // middle 3 'reg opcode' bits
|
||||
switch (subop) {
|
||||
case 4:
|
||||
trace(2, "run") << "jump to effective address" << end();
|
||||
int32_t* arg2 = effective_address(modrm);
|
||||
EIP = *arg2;
|
||||
trace(2, "run") << "jumping to 0x" << HEXWORD << EIP << end();
|
||||
break;
|
||||
// End Op ff Subops
|
||||
case 4: {
|
||||
trace(2, "run") << "jump to effective address" << end();
|
||||
int32_t* arg2 = effective_address(modrm);
|
||||
EIP = *arg2;
|
||||
trace(2, "run") << "jumping to 0x" << HEXWORD << EIP << end();
|
||||
break;
|
||||
}
|
||||
// End Op ff Subops
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
//:: push
|
||||
|
||||
:(scenario push_mem_at_r32)
|
||||
% Reg[0].i = 0x60;
|
||||
% SET_WORD_IN_MEM(0x60, 0x000000af);
|
||||
% Reg[ESP].u = 0x14;
|
||||
# op ModRM SIB displacement immediate
|
||||
ff 30 # push *EAX (reg 0) to stack
|
||||
+run: push effective address
|
||||
+run: effective address is mem at address 0x60 (reg 0)
|
||||
+run: ESP is now 0x00000010
|
||||
+run: contents at ESP: 0x000000af
|
||||
|
||||
:(before "End Op ff Subops")
|
||||
case 6: {
|
||||
trace(2, "run") << "push effective address" << end();
|
||||
const int32_t* val = effective_address(modrm);
|
||||
trace(2, "run") << "pushing value 0x" << HEXWORD << *val << end();
|
||||
Reg[ESP].u -= 4;
|
||||
*reinterpret_cast<uint32_t*>(&Mem.at(Reg[ESP].u)) = *val;
|
||||
trace(2, "run") << "ESP is now 0x" << HEXWORD << Reg[ESP].u << end();
|
||||
trace(2, "run") << "contents at ESP: 0x" << HEXWORD << *reinterpret_cast<uint32_t*>(&Mem.at(Reg[ESP].u)) << end();
|
||||
break;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -350,6 +350,7 @@ case 0xb8: { // copy imm32 to r32
|
|||
}
|
||||
|
||||
//:
|
||||
|
||||
:(scenario copy_imm32_to_mem_at_r32)
|
||||
% Reg[3].i = 0x60;
|
||||
# op ModRM SIB displacement immediate
|
||||
|
|
@ -366,3 +367,24 @@ case 0xc7: { // copy imm32 to r32
|
|||
*arg1 = arg2;
|
||||
break;
|
||||
}
|
||||
|
||||
//:: push
|
||||
|
||||
:(scenario push_imm32)
|
||||
% Reg[ESP].u = 0x14;
|
||||
# op ModRM SIB displacement immediate
|
||||
68 af 00 00 00 # push *EAX (reg 0) to stack
|
||||
+run: push imm32 0x000000af
|
||||
+run: ESP is now 0x00000010
|
||||
+run: contents at ESP: 0x000000af
|
||||
|
||||
:(before "End Single-Byte Opcodes")
|
||||
case 0x68: {
|
||||
int32_t val = imm32();
|
||||
trace(2, "run") << "push imm32 0x" << HEXWORD << val << end();
|
||||
Reg[ESP].u -= 4;
|
||||
*reinterpret_cast<uint32_t*>(&Mem.at(Reg[ESP].u)) = val;
|
||||
trace(2, "run") << "ESP is now 0x" << HEXWORD << Reg[ESP].u << end();
|
||||
trace(2, "run") << "contents at ESP: 0x" << HEXWORD << *reinterpret_cast<uint32_t*>(&Mem.at(Reg[ESP].u)) << end();
|
||||
break;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue