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| author | Kartik K. Agaram <vc@akkartik.com> | 2017-10-18 00:57:46 -0700 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2017-10-18 00:57:46 -0700 |
| commit | 9e45873ff4a5af5fc2bb2fcab90accef171900f1 (patch) | |
| tree | fc7a300f797cad2ae6896bc7e84598e32eaabfc2 /html/subx/012indirect_addressing.cc.html | |
| parent | f959569491246197f7a9bc0fd633ef40687cbe21 (diff) | |
| download | mu-9e45873ff4a5af5fc2bb2fcab90accef171900f1.tar.gz | |
4079
subx: 'pop'
Diffstat (limited to 'html/subx/012indirect_addressing.cc.html')
| -rw-r--r-- | html/subx/012indirect_addressing.cc.html | 47 |
1 files changed, 37 insertions, 10 deletions
diff --git a/html/subx/012indirect_addressing.cc.html b/html/subx/012indirect_addressing.cc.html index d04c442e..2643bcaf 100644 --- a/html/subx/012indirect_addressing.cc.html +++ b/html/subx/012indirect_addressing.cc.html @@ -392,16 +392,43 @@ if ('onhashchange' in window) { <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> <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> <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> -<span id="L330" class="LineNr">330 </span> <span class="Normal">case</span> <span class="Constant">4</span>: -<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> -<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> -<span id="L333" class="LineNr">333 </span> <span class="Conceal">¦</span> <a href='010core.cc.html#L23'>EIP</a> = *arg2<span class="Delimiter">;</span> -<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> -<span id="L335" class="LineNr">335 </span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span> -<span id="L336" class="LineNr">336 </span> <span class="Comment">// End Op ff Subops</span> -<span id="L337" class="LineNr">337 </span> <span class="Delimiter">}</span> -<span id="L338" class="LineNr">338 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> -<span id="L339" class="LineNr">339 </span><span class="Delimiter">}</span> +<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> +<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> +<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> +<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> +<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> +<span id="L335" class="LineNr">335 </span> <span class="Conceal">¦</span> <span class="Conceal">¦</span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L336" class="LineNr">336 </span> <span class="Conceal">¦</span> <span class="Delimiter">}</span> +<span id="L337" class="LineNr">337 </span> <span class="Conceal">¦</span> <span class="Comment">// End Op ff Subops</span> +<span id="L338" class="LineNr">338 </span> <span class="Delimiter">}</span> +<span id="L339" class="LineNr">339 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L340" class="LineNr">340 </span><span class="Delimiter">}</span> +<span id="L341" class="LineNr">341 </span> +<span id="L342" class="LineNr">342 </span><span class="SalientComment">//:: push</span> +<span id="L343" class="LineNr">343 </span> +<span id="L344" class="LineNr">344 </span><span class="Delimiter">:(scenario push_mem_at_r32)</span> +<span id="L345" class="LineNr">345 </span><span class="Special">% Reg[0].i = 0x60;</span> +<span id="L346" class="LineNr">346 </span><span class="Special">% SET_WORD_IN_MEM(0x60, 0x000000af);</span> +<span id="L347" class="LineNr">347 </span><span class="Special">% Reg[ESP].u = 0x14;</span> +<span id="L348" class="LineNr">348 </span><span class="Comment"># op ModRM SIB displacement immediate</span> +<span id="L349" class="LineNr">349 </span> ff <span class="Constant">30</span> <span class="Comment"># push *EAX (reg 0) to stack</span> +<span id="L350" class="LineNr">350 </span><span class="traceContains">+run: push effective address</span> +<span id="L351" class="LineNr">351 </span><span class="traceContains">+run: effective address is mem at address 0x60 (reg 0)</span> +<span id="L352" class="LineNr">352 </span><span class="traceContains">+run: <a href='010core.cc.html#L11'>ESP</a> is now 0x00000010</span> +<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> +<span id="L354" class="LineNr">354 </span> +<span id="L355" class="LineNr">355 </span><span class="Delimiter">:(before "End Op ff Subops")</span> +<span id="L356" class="LineNr">356 </span><span class="Normal">case</span> <span class="Constant">6</span>: <span class="Delimiter">{</span> +<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> +<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> +<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> +<span id="L360" class="LineNr">360 </span> Reg[ESP]<span class="Delimiter">.</span>u -= <span class="Constant">4</span><span class="Delimiter">;</span> +<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> +<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> +<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> +<span id="L364" class="LineNr">364 </span> <span class="Identifier">break</span><span class="Delimiter">;</span> +<span id="L365" class="LineNr">365 </span><span class="Delimiter">}</span> +<span id="L366" class="LineNr">366 </span> </pre> </body> </html> |