diff options
Diffstat (limited to 'html/subx/030---operands.cc.html')
| -rw-r--r-- | html/subx/030---operands.cc.html | 423 |
1 files changed, 217 insertions, 206 deletions
diff --git a/html/subx/030---operands.cc.html b/html/subx/030---operands.cc.html index 0129da0a..af7cf865 100644 --- a/html/subx/030---operands.cc.html +++ b/html/subx/030---operands.cc.html @@ -20,6 +20,7 @@ a:hover { text-decoration: underline; } .LineNr { color: #444444; } .Constant { color: #00a0a0; } .Delimiter { color: #800080; } +.Special { color: #c00000; } .SalientComment { color: #00ffff; } .Normal { color: #aaaaaa; background-color: #080808; padding-bottom: 1px; } .Comment { color: #9090ff; } @@ -198,7 +199,7 @@ if ('onhashchange' in window) { <span id="L137" class="LineNr">137 </span> <span id="L138" class="LineNr">138 </span><span class="Delimiter">:(after "Begin Transforms")</span> <span id="L139" class="LineNr">139 </span><span class="Comment">// Begin Level-2 Transforms</span> -<span id="L140" class="LineNr">140 </span><a href='011run.cc.html#L207'>Transform</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pack_operands<span class="Delimiter">);</span> +<span id="L140" class="LineNr">140 </span><a href='011run.cc.html#L229'>Transform</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>pack_operands<span class="Delimiter">);</span> <span id="L141" class="LineNr">141 </span><span class="Comment">// End Level-2 Transforms</span> <span id="L142" class="LineNr">142 </span> <span id="L143" class="LineNr">143 </span><span class="Delimiter">:(code)</span> @@ -206,13 +207,13 @@ if ('onhashchange' in window) { <span id="L145" class="LineNr">145 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L146" class="LineNr">146 </span> segment& <a href='031check_operands.cc.html#L14'>code</a> = p<span class="Delimiter">.</span><a href='011run.cc.html#L100'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span> <span id="L147" class="LineNr">147 </span> <span class="Comment">// Pack Operands(segment code)</span> -<span id="L148" class="LineNr">148 </span> <a href='003trace.cc.html#L204'>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">"-- pack operands"</span> << <a href='003trace.cc.html#L230'>end</a><span class="Delimiter">();</span> +<span id="L148" class="LineNr">148 </span> <a href='003trace.cc.html#L204'>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">"-- pack operands"</span> << end<span class="Delimiter">();</span> <span id="L149" class="LineNr">149 </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><a href='031check_operands.cc.html#L14'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L150" class="LineNr">150 </span> line& inst = <a href='031check_operands.cc.html#L14'>code</a><span class="Delimiter">.</span><a href='011run.cc.html#L109'>lines</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L151" class="LineNr">151 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>all_hex_bytes<span class="Delimiter">(</span>inst<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> -<span id="L152" class="LineNr">152 </span> <a href='003trace.cc.html#L204'>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">"packing instruction '"</span> << to_string<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">with metadata</span><span class="Comment">*/</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << <a href='003trace.cc.html#L230'>end</a><span class="Delimiter">();</span> +<span id="L151" class="LineNr">151 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L377'>all_hex_bytes</a><span class="Delimiter">(</span>inst<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> +<span id="L152" class="LineNr">152 </span> <a href='003trace.cc.html#L204'>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">"packing instruction '"</span> << to_string<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">with metadata</span><span class="Comment">*/</span>inst<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> <span id="L153" class="LineNr">153 </span> pack_operands<span class="Delimiter">(</span>inst<span class="Delimiter">);</span> -<span id="L154" class="LineNr">154 </span> <a href='003trace.cc.html#L204'>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">"instruction after packing: '"</span> << to_string<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">without metadata</span><span class="Comment">*/</span>inst<span class="Delimiter">.</span>words<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << <a href='003trace.cc.html#L230'>end</a><span class="Delimiter">();</span> +<span id="L154" class="LineNr">154 </span> <a href='003trace.cc.html#L204'>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">"instruction after packing: '"</span> << to_string<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">without metadata</span><span class="Comment">*/</span>inst<span class="Delimiter">.</span>words<span class="Delimiter">)</span> << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> <span id="L155" class="LineNr">155 </span> <span class="Delimiter">}</span> <span id="L156" class="LineNr">156 </span><span class="Delimiter">}</span> <span id="L157" class="LineNr">157 </span> @@ -228,11 +229,11 @@ if ('onhashchange' in window) { <span id="L167" class="LineNr">167 </span> <span id="L168" class="LineNr">168 </span><span class="Normal">void</span> <a href='030---operands.cc.html#L168'>add_opcodes</a><span class="Delimiter">(</span><span class="Normal">const</span> line& in<span class="Delimiter">,</span> line& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L169" class="LineNr">169 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span> -<span id="L170" class="LineNr">170 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='011run.cc.html#L125'>data</a> == <span class="Constant">"0f"</span> || in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='011run.cc.html#L125'>data</a> == <span class="Constant">"f2"</span> || in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='011run.cc.html#L125'>data</a> == <span class="Constant">"f3"</span><span class="Delimiter">)</span> +<span id="L170" class="LineNr">170 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span> || in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f2"</span> || in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f3"</span><span class="Delimiter">)</span> <span id="L171" class="LineNr">171 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">));</span> -<span id="L172" class="LineNr">172 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='011run.cc.html#L125'>data</a> == <span class="Constant">"f3"</span> && in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='011run.cc.html#L125'>data</a> == <span class="Constant">"0f"</span><span class="Delimiter">)</span> +<span id="L172" class="LineNr">172 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f3"</span> && in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span> <span id="L173" class="LineNr">173 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">));</span> -<span id="L174" class="LineNr">174 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='011run.cc.html#L125'>data</a> == <span class="Constant">"f2"</span> && in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span><a href='011run.cc.html#L125'>data</a> == <span class="Constant">"0f"</span><span class="Delimiter">)</span> +<span id="L174" class="LineNr">174 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data == <span class="Constant">"f2"</span> && in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>data == <span class="Constant">"0f"</span><span class="Delimiter">)</span> <span id="L175" class="LineNr">175 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">2</span><span class="Delimiter">));</span> <span id="L176" class="LineNr">176 </span><span class="Delimiter">}</span> <span id="L177" class="LineNr">177 </span> @@ -242,24 +243,24 @@ if ('onhashchange' in window) { <span id="L181" class="LineNr">181 </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>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L182" class="LineNr">182 </span> <span class="Normal">const</span> word& curr = in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> <span id="L183" class="LineNr">183 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"mod"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L184" class="LineNr">184 </span> mod = <a href='011run.cc.html#L245'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">);</span> +<span id="L184" class="LineNr">184 </span> mod = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L185" class="LineNr">185 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L186" class="LineNr">186 </span> <span class="Delimiter">}</span> <span id="L187" class="LineNr">187 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"rm32"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L188" class="LineNr">188 </span> rm32 = <a href='011run.cc.html#L245'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">);</span> +<span id="L188" class="LineNr">188 </span> rm32 = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L189" class="LineNr">189 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L190" class="LineNr">190 </span> <span class="Delimiter">}</span> <span id="L191" class="LineNr">191 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"r32"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L192" class="LineNr">192 </span> reg_subop = <a href='011run.cc.html#L245'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">);</span> +<span id="L192" class="LineNr">192 </span> reg_subop = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L193" class="LineNr">193 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L194" class="LineNr">194 </span> <span class="Delimiter">}</span> <span id="L195" class="LineNr">195 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"subop"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L196" class="LineNr">196 </span> reg_subop = <a href='011run.cc.html#L245'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">);</span> +<span id="L196" class="LineNr">196 </span> reg_subop = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L197" class="LineNr">197 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L198" class="LineNr">198 </span> <span class="Delimiter">}</span> <span id="L199" class="LineNr">199 </span> <span class="Delimiter">}</span> <span id="L200" class="LineNr">200 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>emit<span class="Delimiter">)</span> -<span id="L201" class="LineNr">201 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='030---operands.cc.html#L267'>hex_byte_text</a><span class="Delimiter">((</span>mod << <span class="Constant">6</span><span class="Delimiter">)</span> | <span class="Delimiter">(</span>reg_subop << <span class="Constant">3</span><span class="Delimiter">)</span> | rm32<span class="Delimiter">));</span> +<span id="L201" class="LineNr">201 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='030---operands.cc.html#L268'>hex_byte_text</a><span class="Delimiter">((</span>mod << <span class="Constant">6</span><span class="Delimiter">)</span> | <span class="Delimiter">(</span>reg_subop << <span class="Constant">3</span><span class="Delimiter">)</span> | rm32<span class="Delimiter">));</span> <span id="L202" class="LineNr">202 </span><span class="Delimiter">}</span> <span id="L203" class="LineNr">203 </span> <span id="L204" class="LineNr">204 </span><span class="Normal">void</span> <a href='030---operands.cc.html#L204'>add_sib_byte</a><span class="Delimiter">(</span><span class="Normal">const</span> line& in<span class="Delimiter">,</span> line& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> @@ -268,20 +269,20 @@ if ('onhashchange' in window) { <span id="L207" class="LineNr">207 </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>in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L208" class="LineNr">208 </span> <span class="Normal">const</span> word& curr = in<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> <span id="L209" class="LineNr">209 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"scale"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L210" class="LineNr">210 </span> scale = <a href='011run.cc.html#L245'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">);</span> +<span id="L210" class="LineNr">210 </span> scale = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L211" class="LineNr">211 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L212" class="LineNr">212 </span> <span class="Delimiter">}</span> <span id="L213" class="LineNr">213 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"index"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L214" class="LineNr">214 </span> index = <a href='011run.cc.html#L245'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">);</span> +<span id="L214" class="LineNr">214 </span> index = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L215" class="LineNr">215 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L216" class="LineNr">216 </span> <span class="Delimiter">}</span> <span id="L217" class="LineNr">217 </span> <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>curr<span class="Delimiter">,</span> <span class="Constant">"base"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L218" class="LineNr">218 </span> base = <a href='011run.cc.html#L245'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">);</span> +<span id="L218" class="LineNr">218 </span> base = <a href='011run.cc.html#L273'>hex_byte</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">);</span> <span id="L219" class="LineNr">219 </span> emit =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L220" class="LineNr">220 </span> <span class="Delimiter">}</span> <span id="L221" class="LineNr">221 </span> <span class="Delimiter">}</span> <span id="L222" class="LineNr">222 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>emit<span class="Delimiter">)</span> -<span id="L223" class="LineNr">223 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='030---operands.cc.html#L267'>hex_byte_text</a><span class="Delimiter">((</span>scale << <span class="Constant">6</span><span class="Delimiter">)</span> | <span class="Delimiter">(</span>index << <span class="Constant">3</span><span class="Delimiter">)</span> | base<span class="Delimiter">));</span> +<span id="L223" class="LineNr">223 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='030---operands.cc.html#L268'>hex_byte_text</a><span class="Delimiter">((</span>scale << <span class="Constant">6</span><span class="Delimiter">)</span> | <span class="Delimiter">(</span>index << <span class="Constant">3</span><span class="Delimiter">)</span> | base<span class="Delimiter">));</span> <span id="L224" class="LineNr">224 </span><span class="Delimiter">}</span> <span id="L225" class="LineNr">225 </span> <span id="L226" class="LineNr">226 </span><span class="Normal">void</span> <a href='030---operands.cc.html#L226'>add_disp_bytes</a><span class="Delimiter">(</span><span class="Normal">const</span> line& in<span class="Delimiter">,</span> line& out<span class="Delimiter">)</span> <span class="Delimiter">{</span> @@ -308,200 +309,210 @@ if ('onhashchange' in window) { <span id="L247" class="LineNr">247 </span> <span id="L248" class="LineNr">248 </span><span class="Normal">void</span> emit_hex_bytes<span class="Delimiter">(</span>line& out<span class="Delimiter">,</span> <span class="Normal">const</span> word& w<span class="Delimiter">,</span> <span class="Normal">int</span> num<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L249" class="LineNr">249 </span> assert<span class="Delimiter">(</span>num <= <span class="Constant">4</span><span class="Delimiter">);</span> -<span id="L250" class="LineNr">250 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>num == <span class="Constant">1</span> || !is_hex_int<span class="Delimiter">(</span>w<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L251" class="LineNr">251 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>w<span class="Delimiter">);</span> -<span id="L252" class="LineNr">252 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L427'>is_hex_int</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">))</span> -<span id="L253" class="LineNr">253 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span><a href='011run.cc.html#L125'>data</a> = <a href='030---operands.cc.html#L274'>hex_byte_to_string</a><span class="Delimiter">(</span><a href='011run.cc.html#L324'>parse_int</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">));</span> -<span id="L254" class="LineNr">254 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L255" class="LineNr">255 </span> <span class="Delimiter">}</span> -<span id="L256" class="LineNr">256 </span> emit_hex_bytes<span class="Delimiter">(</span>out<span class="Delimiter">,</span> <span class="Normal">static_cast</span><<span class="Normal">uint32_t</span>><span class="Delimiter">(</span><a href='011run.cc.html#L324'>parse_int</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">)),</span> num<span class="Delimiter">);</span> -<span id="L257" class="LineNr">257 </span><span class="Delimiter">}</span> -<span id="L258" class="LineNr">258 </span> -<span id="L259" class="LineNr">259 </span><span class="Normal">void</span> emit_hex_bytes<span class="Delimiter">(</span>line& out<span class="Delimiter">,</span> <span class="Normal">uint32_t</span> val<span class="Delimiter">,</span> <span class="Normal">int</span> num<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L260" class="LineNr">260 </span> assert<span class="Delimiter">(</span>num <= <span class="Constant">4</span><span class="Delimiter">);</span> -<span id="L261" class="LineNr">261 </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 < num<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L262" class="LineNr">262 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='030---operands.cc.html#L267'>hex_byte_text</a><span class="Delimiter">(</span>val & <span class="Constant">0xff</span><span class="Delimiter">));</span> -<span id="L263" class="LineNr">263 </span> val = val >> <span class="Constant">8</span><span class="Delimiter">;</span> -<span id="L264" class="LineNr">264 </span> <span class="Delimiter">}</span> -<span id="L265" class="LineNr">265 </span><span class="Delimiter">}</span> -<span id="L266" class="LineNr">266 </span> -<span id="L267" class="LineNr">267 </span><a href='011run.cc.html#L123'>word</a> <a href='030---operands.cc.html#L267'>hex_byte_text</a><span class="Delimiter">(</span><span class="Normal">uint8_t</span> val<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L268" class="LineNr">268 </span> <a href='011run.cc.html#L123'>word</a> result<span class="Delimiter">;</span> -<span id="L269" class="LineNr">269 </span> result<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a> = <a href='030---operands.cc.html#L274'>hex_byte_to_string</a><span class="Delimiter">(</span>val<span class="Delimiter">);</span> -<span id="L270" class="LineNr">270 </span> result<span class="Delimiter">.</span>original = result<span class="Delimiter">.</span>data+<span class="Constant">"/auto"</span><span class="Delimiter">;</span> -<span id="L271" class="LineNr">271 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> -<span id="L272" class="LineNr">272 </span><span class="Delimiter">}</span> -<span id="L273" class="LineNr">273 </span> -<span id="L274" class="LineNr">274 </span>string <a href='030---operands.cc.html#L274'>hex_byte_to_string</a><span class="Delimiter">(</span><span class="Normal">uint8_t</span> val<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L275" class="LineNr">275 </span> ostringstream out<span class="Delimiter">;</span> -<span id="L276" class="LineNr">276 </span> <span class="Comment">// uint8_t prints without padding, but int8_t will expand to 32 bits again</span> -<span id="L277" class="LineNr">277 </span> out << <a href='010---vm.cc.html#L259'>HEXBYTE</a> << <a href='010---vm.cc.html#L262'>NUM</a><span class="Delimiter">(</span>val<span class="Delimiter">);</span> -<span id="L278" class="LineNr">278 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> -<span id="L279" class="LineNr">279 </span><span class="Delimiter">}</span> -<span id="L280" class="LineNr">280 </span> -<span id="L281" class="LineNr">281 </span>string to_string<span class="Delimiter">(</span><span class="Normal">const</span> vector<word>& in<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L282" class="LineNr">282 </span> ostringstream out<span class="Delimiter">;</span> -<span id="L283" class="LineNr">283 </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>in<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L284" class="LineNr">284 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i > <span class="Constant">0</span><span class="Delimiter">)</span> out << <span class="Constant">' '</span><span class="Delimiter">;</span> -<span id="L285" class="LineNr">285 </span> out << in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">;</span> -<span id="L286" class="LineNr">286 </span> <span class="Delimiter">}</span> -<span id="L287" class="LineNr">287 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> -<span id="L288" class="LineNr">288 </span><span class="Delimiter">}</span> -<span id="L289" class="LineNr">289 </span> -<span id="L290" class="LineNr">290 </span><span class="Delimiter">:(before "End Unit Tests")</span> -<span id="L291" class="LineNr">291 </span><span class="Normal">void</span> <a href='030---operands.cc.html#L291'>test_preserve_metadata_when_emitting_single_byte</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> -<span id="L292" class="LineNr">292 </span> <a href='011run.cc.html#L123'>word</a> in<span class="Delimiter">;</span> -<span id="L293" class="LineNr">293 </span> in<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a> = <span class="Constant">"f0"</span><span class="Delimiter">;</span> -<span id="L294" class="LineNr">294 </span> in<span class="Delimiter">.</span>original = <span class="Constant">"f0/foo"</span><span class="Delimiter">;</span> -<span id="L295" class="LineNr">295 </span> <a href='011run.cc.html#L117'>line</a> out<span class="Delimiter">;</span> -<span id="L296" class="LineNr">296 </span> emit_hex_bytes<span class="Delimiter">(</span>out<span class="Delimiter">,</span> in<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> -<span id="L297" class="LineNr">297 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">,</span> <span class="Constant">"f0"</span><span class="Delimiter">);</span> -<span id="L298" class="LineNr">298 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original<span class="Delimiter">,</span> <span class="Constant">"f0/foo"</span><span class="Delimiter">);</span> -<span id="L299" class="LineNr">299 </span><span class="Delimiter">}</span> -<span id="L300" class="LineNr">300 </span> -<span id="L301" class="LineNr">301 </span><span class="Delimiter">:(scenario pack_disp8)</span> -<span id="L302" class="LineNr">302 </span>== <span class="Constant">0x1</span> -<span id="L303" class="LineNr">303 </span><span class="Constant">74</span> <span class="Constant">2</span>/disp8 <span class="Comment"># jump 2 bytes away if ZF is set</span> -<span id="L304" class="LineNr">304 </span><span class="traceContains">+transform: packing instruction '74 2/disp8'</span> -<span id="L305" class="LineNr">305 </span><span class="traceContains">+transform: instruction after packing: '74 02'</span> -<span id="L306" class="LineNr">306 </span> -<span id="L307" class="LineNr">307 </span><span class="Delimiter">:(scenarios transform)</span> -<span id="L308" class="LineNr">308 </span><span class="Delimiter">:(scenario pack_disp8_negative)</span> -<span id="L309" class="LineNr">309 </span>== <span class="Constant">0x1</span> -<span id="L310" class="LineNr">310 </span><span class="Comment"># running this will cause an infinite loop</span> -<span id="L311" class="LineNr">311 </span><span class="Constant">74</span> -<span class="Constant">1</span>/disp8 <span class="Comment"># jump 1 byte before if ZF is set</span> -<span id="L312" class="LineNr">312 </span><span class="traceContains">+transform: packing instruction '74 -1/disp8'</span> -<span id="L313" class="LineNr">313 </span><span class="traceContains">+transform: instruction after packing: '74 ff'</span> -<span id="L314" class="LineNr">314 </span><span class="Delimiter">:(scenarios run)</span> -<span id="L315" class="LineNr">315 </span> -<span id="L316" class="LineNr">316 </span><span class="Comment">//: helper for scenario</span> -<span id="L317" class="LineNr">317 </span><span class="Delimiter">:(code)</span> -<span id="L318" class="LineNr">318 </span><span class="Normal">void</span> <a href='011run.cc.html#L209'>transform</a><span class="Delimiter">(</span><span class="Normal">const</span> string& text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L319" class="LineNr">319 </span> <a href='011run.cc.html#L99'>program</a> p<span class="Delimiter">;</span> -<span id="L320" class="LineNr">320 </span> istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span> -<span id="L321" class="LineNr">321 </span> <a href='011run.cc.html#L132'>parse</a><span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span> -<span id="L322" class="LineNr">322 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L225'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> -<span id="L323" class="LineNr">323 </span> <a href='011run.cc.html#L209'>transform</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> -<span id="L324" class="LineNr">324 </span><span class="Delimiter">}</span> -<span id="L325" class="LineNr">325 </span> -<span id="L326" class="LineNr">326 </span><span class="Delimiter">:(scenario pack_modrm_imm32)</span> -<span id="L327" class="LineNr">327 </span>== <span class="Constant">0x1</span> -<span id="L328" class="LineNr">328 </span><span class="Comment"># instruction effective address operand displacement immediate</span> -<span id="L329" class="LineNr">329 </span><span class="Comment"># op subop mod rm32 base index scale r32</span> -<span id="L330" class="LineNr">330 </span><span class="Comment"># 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> -<span id="L331" class="LineNr">331 </span> <span class="Constant">81</span> <span class="Constant">0</span>/add/subop <span class="Constant">3</span>/mod/direct <span class="Constant">3</span>/ebx/rm32 <span class="Constant">1</span>/imm32 <span class="Comment"># add 1 to EBX</span> -<span id="L332" class="LineNr">332 </span><span class="traceContains">+transform: packing instruction '81 0/add/subop 3/mod/direct 3/ebx/rm32 1/imm32'</span> -<span id="L333" class="LineNr">333 </span><span class="traceContains">+transform: instruction after packing: '81 c3 01 00 00 00'</span> -<span id="L334" class="LineNr">334 </span> -<span id="L335" class="LineNr">335 </span><span class="Delimiter">:(scenario pack_imm32_large)</span> -<span id="L336" class="LineNr">336 </span>== <span class="Constant">0x1</span> -<span id="L337" class="LineNr">337 </span>b9 <span class="Constant">0x080490a7</span>/imm32 <span class="Comment"># copy to ECX</span> -<span id="L338" class="LineNr">338 </span><span class="traceContains">+transform: packing instruction 'b9 0x080490a7/imm32'</span> -<span id="L339" class="LineNr">339 </span><span class="traceContains">+transform: instruction after packing: 'b9 a7 90 04 08'</span> -<span id="L340" class="LineNr">340 </span> -<span id="L341" class="LineNr">341 </span><span class="Delimiter">:(scenario pack_immediate_constants_hex)</span> -<span id="L342" class="LineNr">342 </span>== <span class="Constant">0x1</span> -<span id="L343" class="LineNr">343 </span><span class="Comment"># instruction effective address operand displacement immediate</span> -<span id="L344" class="LineNr">344 </span><span class="Comment"># op subop mod rm32 base index scale r32</span> -<span id="L345" class="LineNr">345 </span><span class="Comment"># 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> -<span id="L346" class="LineNr">346 </span> bb <span class="Constant">0x2a</span>/imm32 <span class="Comment"># copy 42 to EBX</span> -<span id="L347" class="LineNr">347 </span><span class="traceContains">+transform: packing instruction 'bb 0x2a/imm32'</span> -<span id="L348" class="LineNr">348 </span><span class="traceContains">+transform: instruction after packing: 'bb 2a 00 00 00'</span> -<span id="L349" class="LineNr">349 </span><span class="traceContains">+run: copy imm32 0x0000002a to <a href='010---vm.cc.html#L16'>EBX</a></span> -<span id="L350" class="LineNr">350 </span> -<span id="L351" class="LineNr">351 </span><span class="Delimiter">:(scenarios transform)</span> -<span id="L352" class="LineNr">352 </span><span class="Delimiter">:(scenario pack_silently_ignores_non_hex)</span> -<span id="L353" class="LineNr">353 </span>== <span class="Constant">0x1</span> -<span id="L354" class="LineNr">354 </span><span class="Comment"># instruction effective address operand displacement immediate</span> -<span id="L355" class="LineNr">355 </span><span class="Comment"># op subop mod rm32 base index scale r32</span> -<span id="L356" class="LineNr">356 </span><span class="Comment"># 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> -<span id="L357" class="LineNr">357 </span> bb foo/imm32 <span class="Comment"># copy foo to EBX</span> -<span id="L358" class="LineNr">358 </span><span class="traceContains">+transform: packing instruction 'bb foo/imm32'</span> -<span id="L359" class="LineNr">359 </span><span class="Comment"># no change (we're just not printing metadata to the trace)</span> -<span id="L360" class="LineNr">360 </span><span class="traceContains">+transform: instruction after packing: 'bb foo'</span> -<span id="L361" class="LineNr">361 </span>$error: <span class="Constant">0</span> -<span id="L362" class="LineNr">362 </span><span class="Delimiter">:(scenarios run)</span> -<span id="L363" class="LineNr">363 </span> -<span id="L364" class="LineNr">364 </span><span class="SalientComment">//:: helpers</span> -<span id="L365" class="LineNr">365 </span> -<span id="L366" class="LineNr">366 </span><span class="Delimiter">:(code)</span> -<span id="L367" class="LineNr">367 </span><span class="Normal">bool</span> all_hex_bytes<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L368" class="LineNr">368 </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>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L369" class="LineNr">369 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_hex_byte<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> -<span id="L370" class="LineNr">370 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L371" class="LineNr">371 </span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> -<span id="L372" class="LineNr">372 </span><span class="Delimiter">}</span> +<span id="L250" class="LineNr">250 </span> <span class="Normal">bool</span> is_number = <a href='030---operands.cc.html#L437'>looks_like_hex_int</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">);</span> +<span id="L251" class="LineNr">251 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>num == <span class="Constant">1</span> || !is_number<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L252" class="LineNr">252 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>w<span class="Delimiter">);</span> <span class="Comment">// preserve existing metadata</span> +<span id="L253" class="LineNr">253 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>is_number<span class="Delimiter">)</span> +<span id="L254" class="LineNr">254 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>back<span class="Delimiter">().</span>data = <a href='030---operands.cc.html#L275'>hex_byte_to_string</a><span class="Delimiter">(</span><a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">));</span> +<span id="L255" class="LineNr">255 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L256" class="LineNr">256 </span> <span class="Delimiter">}</span> +<span id="L257" class="LineNr">257 </span> emit_hex_bytes<span class="Delimiter">(</span>out<span class="Delimiter">,</span> <span class="Normal">static_cast</span><<span class="Normal">uint32_t</span>><span class="Delimiter">(</span><a href='011run.cc.html#L362'>parse_int</a><span class="Delimiter">(</span>w<span class="Delimiter">.</span>data<span class="Delimiter">)),</span> num<span class="Delimiter">);</span> +<span id="L258" class="LineNr">258 </span><span class="Delimiter">}</span> +<span id="L259" class="LineNr">259 </span> +<span id="L260" class="LineNr">260 </span><span class="Normal">void</span> emit_hex_bytes<span class="Delimiter">(</span>line& out<span class="Delimiter">,</span> <span class="Normal">uint32_t</span> val<span class="Delimiter">,</span> <span class="Normal">int</span> num<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L261" class="LineNr">261 </span> assert<span class="Delimiter">(</span>num <= <span class="Constant">4</span><span class="Delimiter">);</span> +<span id="L262" class="LineNr">262 </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 < num<span class="Delimiter">;</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L263" class="LineNr">263 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='030---operands.cc.html#L268'>hex_byte_text</a><span class="Delimiter">(</span>val & <span class="Constant">0xff</span><span class="Delimiter">));</span> +<span id="L264" class="LineNr">264 </span> val = val >> <span class="Constant">8</span><span class="Delimiter">;</span> +<span id="L265" class="LineNr">265 </span> <span class="Delimiter">}</span> +<span id="L266" class="LineNr">266 </span><span class="Delimiter">}</span> +<span id="L267" class="LineNr">267 </span> +<span id="L268" class="LineNr">268 </span><a href='011run.cc.html#L123'>word</a> <a href='030---operands.cc.html#L268'>hex_byte_text</a><span class="Delimiter">(</span><span class="Normal">uint8_t</span> val<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L269" class="LineNr">269 </span> <a href='011run.cc.html#L123'>word</a> result<span class="Delimiter">;</span> +<span id="L270" class="LineNr">270 </span> result<span class="Delimiter">.</span>data = <a href='030---operands.cc.html#L275'>hex_byte_to_string</a><span class="Delimiter">(</span>val<span class="Delimiter">);</span> +<span id="L271" class="LineNr">271 </span> result<span class="Delimiter">.</span>original = result<span class="Delimiter">.</span>data+<span class="Constant">"/auto"</span><span class="Delimiter">;</span> +<span id="L272" class="LineNr">272 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<span id="L273" class="LineNr">273 </span><span class="Delimiter">}</span> +<span id="L274" class="LineNr">274 </span> +<span id="L275" class="LineNr">275 </span>string <a href='030---operands.cc.html#L275'>hex_byte_to_string</a><span class="Delimiter">(</span><span class="Normal">uint8_t</span> val<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L276" class="LineNr">276 </span> ostringstream out<span class="Delimiter">;</span> +<span id="L277" class="LineNr">277 </span> <span class="Comment">// uint8_t prints without padding, but int8_t will expand to 32 bits again</span> +<span id="L278" class="LineNr">278 </span> out << <a href='010---vm.cc.html#L367'>HEXBYTE</a> << <a href='010---vm.cc.html#L370'>NUM</a><span class="Delimiter">(</span>val<span class="Delimiter">);</span> +<span id="L279" class="LineNr">279 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> +<span id="L280" class="LineNr">280 </span><span class="Delimiter">}</span> +<span id="L281" class="LineNr">281 </span> +<span id="L282" class="LineNr">282 </span>string to_string<span class="Delimiter">(</span><span class="Normal">const</span> vector<word>& in<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L283" class="LineNr">283 </span> ostringstream out<span class="Delimiter">;</span> +<span id="L284" class="LineNr">284 </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>in<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L285" class="LineNr">285 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i > <span class="Constant">0</span><span class="Delimiter">)</span> out << <span class="Constant">' '</span><span class="Delimiter">;</span> +<span id="L286" class="LineNr">286 </span> out << in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>data<span class="Delimiter">;</span> +<span id="L287" class="LineNr">287 </span> <span class="Delimiter">}</span> +<span id="L288" class="LineNr">288 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> +<span id="L289" class="LineNr">289 </span><span class="Delimiter">}</span> +<span id="L290" class="LineNr">290 </span> +<span id="L291" class="LineNr">291 </span><span class="Delimiter">:(before "End Unit Tests")</span> +<span id="L292" class="LineNr">292 </span><span class="Normal">void</span> <a href='030---operands.cc.html#L292'>test_preserve_metadata_when_emitting_single_byte</a><span class="Delimiter">()</span> <span class="Delimiter">{</span> +<span id="L293" class="LineNr">293 </span> <a href='011run.cc.html#L123'>word</a> in<span class="Delimiter">;</span> +<span id="L294" class="LineNr">294 </span> in<span class="Delimiter">.</span>data = <span class="Constant">"f0"</span><span class="Delimiter">;</span> +<span id="L295" class="LineNr">295 </span> in<span class="Delimiter">.</span>original = <span class="Constant">"f0/foo"</span><span class="Delimiter">;</span> +<span id="L296" class="LineNr">296 </span> <a href='011run.cc.html#L117'>line</a> out<span class="Delimiter">;</span> +<span id="L297" class="LineNr">297 </span> emit_hex_bytes<span class="Delimiter">(</span>out<span class="Delimiter">,</span> in<span class="Delimiter">,</span> <span class="Constant">1</span><span class="Delimiter">);</span> +<span id="L298" class="LineNr">298 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>data<span class="Delimiter">,</span> <span class="Constant">"f0"</span><span class="Delimiter">);</span> +<span id="L299" class="LineNr">299 </span> <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>original<span class="Delimiter">,</span> <span class="Constant">"f0/foo"</span><span class="Delimiter">);</span> +<span id="L300" class="LineNr">300 </span><span class="Delimiter">}</span> +<span id="L301" class="LineNr">301 </span> +<span id="L302" class="LineNr">302 </span><span class="Delimiter">:(scenario pack_disp8)</span> +<span id="L303" class="LineNr">303 </span>== <span class="Constant">0x1</span> +<span id="L304" class="LineNr">304 </span><span class="Constant">74</span> <span class="Constant">2</span>/disp8 <span class="Comment"># jump 2 bytes away if ZF is set</span> +<span id="L305" class="LineNr">305 </span><span class="traceContains">+transform: packing instruction '74 2/disp8'</span> +<span id="L306" class="LineNr">306 </span><span class="traceContains">+transform: instruction after packing: '74 02'</span> +<span id="L307" class="LineNr">307 </span> +<span id="L308" class="LineNr">308 </span><span class="Delimiter">:(scenarios transform)</span> +<span id="L309" class="LineNr">309 </span><span class="Delimiter">:(scenario pack_disp8_negative)</span> +<span id="L310" class="LineNr">310 </span>== <span class="Constant">0x1</span> +<span id="L311" class="LineNr">311 </span><span class="Comment"># running this will cause an infinite loop</span> +<span id="L312" class="LineNr">312 </span><span class="Constant">74</span> -<span class="Constant">1</span>/disp8 <span class="Comment"># jump 1 byte before if ZF is set</span> +<span id="L313" class="LineNr">313 </span><span class="traceContains">+transform: packing instruction '74 -1/disp8'</span> +<span id="L314" class="LineNr">314 </span><span class="traceContains">+transform: instruction after packing: '74 ff'</span> +<span id="L315" class="LineNr">315 </span><span class="Delimiter">:(scenarios run)</span> +<span id="L316" class="LineNr">316 </span> +<span id="L317" class="LineNr">317 </span><span class="Comment">//: helper for scenario</span> +<span id="L318" class="LineNr">318 </span><span class="Delimiter">:(code)</span> +<span id="L319" class="LineNr">319 </span><span class="Normal">void</span> <a href='011run.cc.html#L231'>transform</a><span class="Delimiter">(</span><span class="Normal">const</span> string& text_bytes<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L320" class="LineNr">320 </span> <a href='011run.cc.html#L99'>program</a> p<span class="Delimiter">;</span> +<span id="L321" class="LineNr">321 </span> istringstream in<span class="Delimiter">(</span>text_bytes<span class="Delimiter">);</span> +<span id="L322" class="LineNr">322 </span> parse<span class="Delimiter">(</span>in<span class="Delimiter">,</span> p<span class="Delimiter">);</span> +<span id="L323" class="LineNr">323 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='003trace.cc.html#L225'>trace_contains_errors</a><span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span> +<span id="L324" class="LineNr">324 </span> <a href='011run.cc.html#L231'>transform</a><span class="Delimiter">(</span>p<span class="Delimiter">);</span> +<span id="L325" class="LineNr">325 </span><span class="Delimiter">}</span> +<span id="L326" class="LineNr">326 </span> +<span id="L327" class="LineNr">327 </span><span class="Delimiter">:(scenario pack_modrm_imm32)</span> +<span id="L328" class="LineNr">328 </span>== <span class="Constant">0x1</span> +<span id="L329" class="LineNr">329 </span><span class="Comment"># instruction effective address operand displacement immediate</span> +<span id="L330" class="LineNr">330 </span><span class="Comment"># op subop mod rm32 base index scale r32</span> +<span id="L331" class="LineNr">331 </span><span class="Comment"># 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L332" class="LineNr">332 </span> <span class="Constant">81</span> <span class="Constant">0</span>/add/subop <span class="Constant">3</span>/mod/direct <span class="Constant">3</span>/ebx/rm32 <span class="Constant">1</span>/imm32 <span class="Comment"># add 1 to EBX</span> +<span id="L333" class="LineNr">333 </span><span class="traceContains">+transform: packing instruction '81 0/add/subop 3/mod/direct 3/ebx/rm32 1/imm32'</span> +<span id="L334" class="LineNr">334 </span><span class="traceContains">+transform: instruction after packing: '81 c3 01 00 00 00'</span> +<span id="L335" class="LineNr">335 </span> +<span id="L336" class="LineNr">336 </span><span class="Delimiter">:(scenario pack_imm32_large)</span> +<span id="L337" class="LineNr">337 </span>== <span class="Constant">0x1</span> +<span id="L338" class="LineNr">338 </span>b9 <span class="Constant">0x080490a7</span>/imm32 <span class="Comment"># copy to ECX</span> +<span id="L339" class="LineNr">339 </span><span class="traceContains">+transform: packing instruction 'b9 0x080490a7/imm32'</span> +<span id="L340" class="LineNr">340 </span><span class="traceContains">+transform: instruction after packing: 'b9 a7 90 04 08'</span> +<span id="L341" class="LineNr">341 </span> +<span id="L342" class="LineNr">342 </span><span class="Delimiter">:(scenario pack_immediate_constants_hex)</span> +<span id="L343" class="LineNr">343 </span>== <span class="Constant">0x1</span> +<span id="L344" class="LineNr">344 </span><span class="Comment"># instruction effective address operand displacement immediate</span> +<span id="L345" class="LineNr">345 </span><span class="Comment"># op subop mod rm32 base index scale r32</span> +<span id="L346" class="LineNr">346 </span><span class="Comment"># 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L347" class="LineNr">347 </span> bb <span class="Constant">0x2a</span>/imm32 <span class="Comment"># copy 42 to EBX</span> +<span id="L348" class="LineNr">348 </span><span class="traceContains">+transform: packing instruction 'bb 0x2a/imm32'</span> +<span id="L349" class="LineNr">349 </span><span class="traceContains">+transform: instruction after packing: 'bb 2a 00 00 00'</span> +<span id="L350" class="LineNr">350 </span><span class="traceContains">+run: copy imm32 0x0000002a to <a href='010---vm.cc.html#L16'>EBX</a></span> +<span id="L351" class="LineNr">351 </span> +<span id="L352" class="LineNr">352 </span><span class="Delimiter">:(scenarios transform)</span> +<span id="L353" class="LineNr">353 </span><span class="Delimiter">:(scenario pack_silently_ignores_non_hex)</span> +<span id="L354" class="LineNr">354 </span><span class="Special">% Hide_errors = true;</span> +<span id="L355" class="LineNr">355 </span>== <span class="Constant">0x1</span> +<span id="L356" class="LineNr">356 </span><span class="Comment"># instruction effective address operand displacement immediate</span> +<span id="L357" class="LineNr">357 </span><span class="Comment"># op subop mod rm32 base index scale r32</span> +<span id="L358" class="LineNr">358 </span><span class="Comment"># 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L359" class="LineNr">359 </span> bb foo/imm32 <span class="Comment"># copy to EBX</span> +<span id="L360" class="LineNr">360 </span><span class="traceContains">+transform: packing instruction 'bb foo/imm32'</span> +<span id="L361" class="LineNr">361 </span><span class="Comment"># no change (we're just not printing metadata to the trace)</span> +<span id="L362" class="LineNr">362 </span><span class="traceContains">+transform: instruction after packing: 'bb foo'</span> +<span id="L363" class="LineNr">363 </span><span class="Delimiter">:(scenarios run)</span> +<span id="L364" class="LineNr">364 </span> +<span id="L365" class="LineNr">365 </span><span class="Delimiter">:(scenario pack_flags_bad_hex)</span> +<span id="L366" class="LineNr">366 </span><span class="Special">% Hide_errors = true;</span> +<span id="L367" class="LineNr">367 </span>== <span class="Constant">0x1</span> +<span id="L368" class="LineNr">368 </span><span class="Comment"># instruction effective address operand displacement immediate</span> +<span id="L369" class="LineNr">369 </span><span class="Comment"># op subop mod rm32 base index scale r32</span> +<span id="L370" class="LineNr">370 </span><span class="Comment"># 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes</span> +<span id="L371" class="LineNr">371 </span> bb 0xfoo/imm32 <span class="Comment"># copy to EBX</span> +<span id="L372" class="LineNr">372 </span><span class="traceContains">+error: not a number: 0xfoo</span> <span id="L373" class="LineNr">373 </span> -<span id="L374" class="LineNr">374 </span><span class="Normal">bool</span> <a href='030---operands.cc.html#L374'>is_hex_byte</a><span class="Delimiter">(</span><span class="Normal">const</span> word& curr<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L375" class="LineNr">375 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L384'>contains_any_operand_metadata</a><span class="Delimiter">(</span>curr<span class="Delimiter">))</span> -<span id="L376" class="LineNr">376 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L377" class="LineNr">377 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L157'>SIZE</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> -<span id="L378" class="LineNr">378 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L379" class="LineNr">379 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span><a href='011run.cc.html#L125'>data</a><span class="Delimiter">.</span>find_first_not_of<span class="Delimiter">(</span><span class="Constant">"0123456789abcdefABCDEF"</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> -<span id="L380" class="LineNr">380 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L374" class="LineNr">374 </span><span class="SalientComment">//:: helpers</span> +<span id="L375" class="LineNr">375 </span> +<span id="L376" class="LineNr">376 </span><span class="Delimiter">:(code)</span> +<span id="L377" class="LineNr">377 </span><span class="Normal">bool</span> <a href='030---operands.cc.html#L377'>all_hex_bytes</a><span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L378" class="LineNr">378 </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>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L379" class="LineNr">379 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!is_hex_byte<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> +<span id="L380" class="LineNr">380 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> <span id="L381" class="LineNr">381 </span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L382" class="LineNr">382 </span><span class="Delimiter">}</span> <span id="L383" class="LineNr">383 </span> -<span id="L384" class="LineNr">384 </span><span class="Normal">bool</span> <a href='030---operands.cc.html#L384'>contains_any_operand_metadata</a><span class="Delimiter">(</span><span class="Normal">const</span> word& <a href='011run.cc.html#L123'>word</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L385" class="LineNr">385 </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><a href='011run.cc.html#L123'>word</a><span class="Delimiter">.</span>metadata<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L386" class="LineNr">386 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L43'>Instruction_operands</a><span class="Delimiter">.</span>find<span class="Delimiter">(</span><a href='011run.cc.html#L123'>word</a><span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> != <a href='030---operands.cc.html#L43'>Instruction_operands</a><span class="Delimiter">.</span><a href='003trace.cc.html#L230'>end</a><span class="Delimiter">())</span> -<span id="L387" class="LineNr">387 </span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> -<span id="L388" class="LineNr">388 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L389" class="LineNr">389 </span><span class="Delimiter">}</span> -<span id="L390" class="LineNr">390 </span> -<span id="L391" class="LineNr">391 </span><span class="Normal">bool</span> has_operand_metadata<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">const</span> string& m<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L392" class="LineNr">392 </span> <span class="Normal">bool</span> result =<span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L393" class="LineNr">393 </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>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L394" class="LineNr">394 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> m<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> -<span id="L395" class="LineNr">395 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L396" class="LineNr">396 </span> <a href='003trace.cc.html#L211'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' has conflicting "</span> << m << <span class="Constant">" operands</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L230'>end</a><span class="Delimiter">();</span> -<span id="L397" class="LineNr">397 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L398" class="LineNr">398 </span> <span class="Delimiter">}</span> -<span id="L399" class="LineNr">399 </span> result =<span class="Constant"> true</span><span class="Delimiter">;</span> -<span id="L400" class="LineNr">400 </span> <span class="Delimiter">}</span> -<span id="L401" class="LineNr">401 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> -<span id="L402" class="LineNr">402 </span><span class="Delimiter">}</span> -<span id="L403" class="LineNr">403 </span> -<span id="L404" class="LineNr">404 </span><span class="Normal">bool</span> has_operand_metadata<span class="Delimiter">(</span><span class="Normal">const</span> word& w<span class="Delimiter">,</span> <span class="Normal">const</span> string& m<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L405" class="LineNr">405 </span> <span class="Normal">bool</span> result =<span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L406" class="LineNr">406 </span> <span class="Normal">bool</span> metadata_found =<span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L407" class="LineNr">407 </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>w<span class="Delimiter">.</span>metadata<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L408" class="LineNr">408 </span> <span class="Normal">const</span> string& curr = w<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L409" class="LineNr">409 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L43'>Instruction_operands</a><span class="Delimiter">.</span>find<span class="Delimiter">(</span>curr<span class="Delimiter">)</span> == <a href='030---operands.cc.html#L43'>Instruction_operands</a><span class="Delimiter">.</span><a href='003trace.cc.html#L230'>end</a><span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// ignore unrecognized metadata</span> -<span id="L410" class="LineNr">410 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>metadata_found<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L411" class="LineNr">411 </span> <a href='003trace.cc.html#L211'>raise</a> << <span class="Constant">"'"</span> << w<span class="Delimiter">.</span>original << <span class="Constant">"' has conflicting operand types; it should have only one</span><span class="cSpecial">\n</span><span class="Constant">"</span> << <a href='003trace.cc.html#L230'>end</a><span class="Delimiter">();</span> -<span id="L412" class="LineNr">412 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L413" class="LineNr">413 </span> <span class="Delimiter">}</span> -<span id="L414" class="LineNr">414 </span> metadata_found =<span class="Constant"> true</span><span class="Delimiter">;</span> -<span id="L415" class="LineNr">415 </span> result = <span class="Delimiter">(</span>curr == m<span class="Delimiter">);</span> -<span id="L416" class="LineNr">416 </span> <span class="Delimiter">}</span> -<span id="L417" class="LineNr">417 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> -<span id="L418" class="LineNr">418 </span><span class="Delimiter">}</span> -<span id="L419" class="LineNr">419 </span> -<span id="L420" class="LineNr">420 </span><a href='011run.cc.html#L123'>word</a> metadata<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">const</span> string& m<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L421" class="LineNr">421 </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>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> -<span id="L422" class="LineNr">422 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> m<span class="Delimiter">))</span> -<span id="L423" class="LineNr">423 </span> <span class="Identifier">return</span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> -<span id="L424" class="LineNr">424 </span> assert<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">);</span> -<span id="L425" class="LineNr">425 </span><span class="Delimiter">}</span> -<span id="L426" class="LineNr">426 </span> -<span id="L427" class="LineNr">427 </span><span class="Normal">bool</span> <a href='030---operands.cc.html#L427'>is_hex_int</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L428" class="LineNr">428 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> -<span id="L429" class="LineNr">429 </span> <span class="Normal">size_t</span> pos = <span class="Constant">0</span><span class="Delimiter">;</span> -<span id="L430" class="LineNr">430 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'-'</span> || s<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'+'</span><span class="Delimiter">)</span> pos++<span class="Delimiter">;</span> -<span id="L431" class="LineNr">431 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>substr<span class="Delimiter">(</span>pos<span class="Delimiter">,</span> pos+<span class="Constant">2</span><span class="Delimiter">)</span> == <span class="Constant">"0x"</span><span class="Delimiter">)</span> pos += <span class="Constant">2</span><span class="Delimiter">;</span> -<span id="L432" class="LineNr">432 </span> <span class="Identifier">return</span> s<span class="Delimiter">.</span>find_first_not_of<span class="Delimiter">(</span><span class="Constant">"0123456789abcdefABCDEF"</span><span class="Delimiter">,</span> pos<span class="Delimiter">)</span> == string::npos<span class="Delimiter">;</span> -<span id="L433" class="LineNr">433 </span><span class="Delimiter">}</span> -<span id="L434" class="LineNr">434 </span> -<span id="L435" class="LineNr">435 </span><span class="Delimiter">:(code)</span> -<span id="L436" class="LineNr">436 </span>string to_string<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L437" class="LineNr">437 </span> ostringstream out<span class="Delimiter">;</span> -<span id="L438" class="LineNr">438 </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>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L439" class="LineNr">439 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i > <span class="Constant">0</span><span class="Delimiter">)</span> out << <span class="Constant">' '</span><span class="Delimiter">;</span> -<span id="L440" class="LineNr">440 </span> out << inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original<span class="Delimiter">;</span> -<span id="L441" class="LineNr">441 </span> <span class="Delimiter">}</span> -<span id="L442" class="LineNr">442 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> +<span id="L384" class="LineNr">384 </span><span class="Normal">bool</span> <a href='030---operands.cc.html#L384'>is_hex_byte</a><span class="Delimiter">(</span><span class="Normal">const</span> word& curr<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L385" class="LineNr">385 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L394'>contains_any_operand_metadata</a><span class="Delimiter">(</span>curr<span class="Delimiter">))</span> +<span id="L386" class="LineNr">386 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L387" class="LineNr">387 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L157'>SIZE</a><span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> +<span id="L388" class="LineNr">388 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L389" class="LineNr">389 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>data<span class="Delimiter">.</span>find_first_not_of<span class="Delimiter">(</span><span class="Constant">"0123456789abcdefABCDEF"</span><span class="Delimiter">)</span> != string::npos<span class="Delimiter">)</span> +<span id="L390" class="LineNr">390 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L391" class="LineNr">391 </span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> +<span id="L392" class="LineNr">392 </span><span class="Delimiter">}</span> +<span id="L393" class="LineNr">393 </span> +<span id="L394" class="LineNr">394 </span><span class="Normal">bool</span> <a href='030---operands.cc.html#L394'>contains_any_operand_metadata</a><span class="Delimiter">(</span><span class="Normal">const</span> word& <a href='011run.cc.html#L123'>word</a><span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L395" class="LineNr">395 </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><a href='011run.cc.html#L123'>word</a><span class="Delimiter">.</span>metadata<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L396" class="LineNr">396 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L43'>Instruction_operands</a><span class="Delimiter">.</span>find<span class="Delimiter">(</span><a href='011run.cc.html#L123'>word</a><span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))</span> != <a href='030---operands.cc.html#L43'>Instruction_operands</a><span class="Delimiter">.</span>end<span class="Delimiter">())</span> +<span id="L397" class="LineNr">397 </span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> +<span id="L398" class="LineNr">398 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L399" class="LineNr">399 </span><span class="Delimiter">}</span> +<span id="L400" class="LineNr">400 </span> +<span id="L401" class="LineNr">401 </span><span class="Normal">bool</span> has_operand_metadata<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">const</span> string& m<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L402" class="LineNr">402 </span> <span class="Normal">bool</span> result =<span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L403" class="LineNr">403 </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>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L404" class="LineNr">404 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> m<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> +<span id="L405" class="LineNr">405 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>result<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L406" class="LineNr">406 </span> <a href='003trace.cc.html#L211'>raise</a> << <span class="Constant">"'"</span> << to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> << <span class="Constant">"' has conflicting "</span> << m << <span class="Constant">" operands</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> +<span id="L407" class="LineNr">407 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L408" class="LineNr">408 </span> <span class="Delimiter">}</span> +<span id="L409" class="LineNr">409 </span> result =<span class="Constant"> true</span><span class="Delimiter">;</span> +<span id="L410" class="LineNr">410 </span> <span class="Delimiter">}</span> +<span id="L411" class="LineNr">411 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<span id="L412" class="LineNr">412 </span><span class="Delimiter">}</span> +<span id="L413" class="LineNr">413 </span> +<span id="L414" class="LineNr">414 </span><span class="Normal">bool</span> has_operand_metadata<span class="Delimiter">(</span><span class="Normal">const</span> word& w<span class="Delimiter">,</span> <span class="Normal">const</span> string& m<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L415" class="LineNr">415 </span> <span class="Normal">bool</span> result =<span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L416" class="LineNr">416 </span> <span class="Normal">bool</span> metadata_found =<span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L417" class="LineNr">417 </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>w<span class="Delimiter">.</span>metadata<span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L418" class="LineNr">418 </span> <span class="Normal">const</span> string& curr = w<span class="Delimiter">.</span>metadata<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L419" class="LineNr">419 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='030---operands.cc.html#L43'>Instruction_operands</a><span class="Delimiter">.</span>find<span class="Delimiter">(</span>curr<span class="Delimiter">)</span> == <a href='030---operands.cc.html#L43'>Instruction_operands</a><span class="Delimiter">.</span>end<span class="Delimiter">())</span> <span class="Identifier">continue</span><span class="Delimiter">;</span> <span class="Comment">// ignore unrecognized metadata</span> +<span id="L420" class="LineNr">420 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>metadata_found<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L421" class="LineNr">421 </span> <a href='003trace.cc.html#L211'>raise</a> << <span class="Constant">"'"</span> << w<span class="Delimiter">.</span>original << <span class="Constant">"' has conflicting operand types; it should have only one</span><span class="cSpecial">\n</span><span class="Constant">"</span> << end<span class="Delimiter">();</span> +<span id="L422" class="LineNr">422 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L423" class="LineNr">423 </span> <span class="Delimiter">}</span> +<span id="L424" class="LineNr">424 </span> metadata_found =<span class="Constant"> true</span><span class="Delimiter">;</span> +<span id="L425" class="LineNr">425 </span> result = <span class="Delimiter">(</span>curr == m<span class="Delimiter">);</span> +<span id="L426" class="LineNr">426 </span> <span class="Delimiter">}</span> +<span id="L427" class="LineNr">427 </span> <span class="Identifier">return</span> result<span class="Delimiter">;</span> +<span id="L428" class="LineNr">428 </span><span class="Delimiter">}</span> +<span id="L429" class="LineNr">429 </span> +<span id="L430" class="LineNr">430 </span><a href='011run.cc.html#L123'>word</a> metadata<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">,</span> <span class="Normal">const</span> string& m<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L431" class="LineNr">431 </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>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> +<span id="L432" class="LineNr">432 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>has_operand_metadata<span class="Delimiter">(</span>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> m<span class="Delimiter">))</span> +<span id="L433" class="LineNr">433 </span> <span class="Identifier">return</span> inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> +<span id="L434" class="LineNr">434 </span> assert<span class="Delimiter">(</span><span class="Constant">false</span><span class="Delimiter">);</span> +<span id="L435" class="LineNr">435 </span><span class="Delimiter">}</span> +<span id="L436" class="LineNr">436 </span> +<span id="L437" class="LineNr">437 </span><span class="Normal">bool</span> <a href='030---operands.cc.html#L437'>looks_like_hex_int</a><span class="Delimiter">(</span><span class="Normal">const</span> string& s<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L438" class="LineNr">438 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> +<span id="L439" class="LineNr">439 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>s<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'-'</span> || s<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span> == <span class="Constant">'+'</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> +<span id="L440" class="LineNr">440 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>isdigit<span class="Delimiter">(</span>s<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span> <span class="Comment">// includes '0x' prefix</span> +<span id="L441" class="LineNr">441 </span> <span class="Comment">// End looks_like_hex_int(s) Detectors</span> +<span id="L442" class="LineNr">442 </span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span> <span id="L443" class="LineNr">443 </span><span class="Delimiter">}</span> +<span id="L444" class="LineNr">444 </span> +<span id="L445" class="LineNr">445 </span><span class="Delimiter">:(code)</span> +<span id="L446" class="LineNr">446 </span>string to_string<span class="Delimiter">(</span><span class="Normal">const</span> line& inst<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L447" class="LineNr">447 </span> ostringstream out<span class="Delimiter">;</span> +<span id="L448" class="LineNr">448 </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>inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">);</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> +<span id="L449" class="LineNr">449 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>i > <span class="Constant">0</span><span class="Delimiter">)</span> out << <span class="Constant">' '</span><span class="Delimiter">;</span> +<span id="L450" class="LineNr">450 </span> out << inst<span class="Delimiter">.</span><a href='011run.cc.html#L118'>words</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>original<span class="Delimiter">;</span> +<span id="L451" class="LineNr">451 </span> <span class="Delimiter">}</span> +<span id="L452" class="LineNr">452 </span> <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span> +<span id="L453" class="LineNr">453 </span><span class="Delimiter">}</span> </pre> </body> </html> |