diff options
| author | Kartik Agaram <vc@akkartik.com> | 2019-02-25 00:26:48 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2019-02-25 01:50:53 -0800 |
| commit | cb7b403210f13e721739d58dab9000ec51ed2d0a (patch) | |
| tree | e8f56c9e5577f82127d158d683faab84041ff0d8 /html/subx/034compute_segment_address.cc.html | |
| parent | 565dcbab944d0182a8e41c47c9dba38ca72e75b1 (diff) | |
| download | mu-cb7b403210f13e721739d58dab9000ec51ed2d0a.tar.gz | |
4989
Diffstat (limited to 'html/subx/034compute_segment_address.cc.html')
| -rw-r--r-- | html/subx/034compute_segment_address.cc.html | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/html/subx/034compute_segment_address.cc.html b/html/subx/034compute_segment_address.cc.html index bbdd21e4..026827e2 100644 --- a/html/subx/034compute_segment_address.cc.html +++ b/html/subx/034compute_segment_address.cc.html @@ -91,20 +91,20 @@ if ('onhashchange' in window) { <span id="L31" class="LineNr"> 31 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!starts_with<span class="Delimiter">(</span>segment_title<span class="Delimiter">,</span> <span class="Constant">"0x"</span><span class="Delimiter">))</span> <span class="Delimiter">{</span> <span id="L32" class="LineNr"> 32 </span> <span class="Special"><a href='034compute_segment_address.cc.html#L23'>Currently_parsing_named_segment</a></span> =<span class="Constant"> true</span><span class="Delimiter">;</span> <span id="L33" class="LineNr"> 33 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special"><a href='034compute_segment_address.cc.html#L22'>Segment_index</a></span><span class="Delimiter">,</span> segment_title<span class="Delimiter">))</span> <span class="Delimiter">{</span> -<span id="L34" class="LineNr"> 34 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"new segment '"</span> << segment_title << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> +<span id="L34" class="LineNr"> 34 </span> <a href='003trace.cc.html#L98'>trace</a><span class="Delimiter">(</span><span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"new segment '"</span> << segment_title << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> <span id="L35" class="LineNr"> 35 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">()</span> && segment_title != <span class="Constant">"code"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L36" class="LineNr"> 36 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"first segment must be 'code' but is '"</span> << segment_title << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> +<span id="L36" class="LineNr"> 36 </span> <a href='003trace.cc.html#L217'>raise</a> << <span class="Constant">"first segment must be 'code' but is '"</span> << segment_title << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> <span id="L37" class="LineNr"> 37 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L38" class="LineNr"> 38 </span> <span class="Delimiter">}</span> <span id="L39" class="LineNr"> 39 </span> <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">)</span> == <span class="Constant">1</span> && segment_title != <span class="Constant">"data"</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L40" class="LineNr"> 40 </span> <a href='003trace.cc.html#L190'>raise</a> << <span class="Constant">"second segment must be 'data' but is '"</span> << segment_title << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> +<span id="L40" class="LineNr"> 40 </span> <a href='003trace.cc.html#L217'>raise</a> << <span class="Constant">"second segment must be 'data' but is '"</span> << segment_title << <span class="Constant">"'\n"</span> << end<span class="Delimiter">();</span> <span id="L41" class="LineNr"> 41 </span> <span class="Identifier">return</span><span class="Delimiter">;</span> <span id="L42" class="LineNr"> 42 </span> <span class="Delimiter">}</span> <span id="L43" class="LineNr"> 43 </span> <a href='001help.cc.html#L252'>put</a><span class="Delimiter">(</span><span class="Special"><a href='034compute_segment_address.cc.html#L22'>Segment_index</a></span><span class="Delimiter">,</span> segment_title<span class="Delimiter">,</span> <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>out<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">));</span> <span id="L44" class="LineNr"> 44 </span> out<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>segment<span class="Delimiter">());</span> <span id="L45" class="LineNr"> 45 </span> <span class="Delimiter">}</span> <span id="L46" class="LineNr"> 46 </span> <span class="Normal">else</span> <span class="Delimiter">{</span> -<span id="L47" class="LineNr"> 47 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"appending to segment '"</span> << segment_title << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> +<span id="L47" class="LineNr"> 47 </span> <a href='003trace.cc.html#L98'>trace</a><span class="Delimiter">(</span><span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"appending to segment '"</span> << segment_title << <span class="Constant">"'"</span> << end<span class="Delimiter">();</span> <span id="L48" class="LineNr"> 48 </span> <span class="Delimiter">}</span> <span id="L49" class="LineNr"> 49 </span> <span class="Special"><a href='034compute_segment_address.cc.html#L24'>Currently_parsing_segment_index</a></span> = get<span class="Delimiter">(</span><span class="Special"><a href='034compute_segment_address.cc.html#L22'>Segment_index</a></span><span class="Delimiter">,</span> segment_title<span class="Delimiter">);</span> <span id="L50" class="LineNr"> 50 </span><span class="Delimiter">}</span> @@ -112,7 +112,7 @@ if ('onhashchange' in window) { <span id="L52" class="LineNr"> 52 </span><span class="Delimiter">:(before "End flush(p, lines) Special-cases")</span> <span id="L53" class="LineNr"> 53 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special"><a href='034compute_segment_address.cc.html#L23'>Currently_parsing_named_segment</a></span><span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L54" class="LineNr"> 54 </span> assert<span class="Delimiter">(</span>!p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>empty<span class="Delimiter">());</span> -<span id="L55" class="LineNr"> 55 </span> <a href='003trace.cc.html#L183'>trace</a><span class="Delimiter">(</span><span class="Constant">99</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"flushing segment"</span> << end<span class="Delimiter">();</span> +<span id="L55" class="LineNr"> 55 </span> <a href='003trace.cc.html#L98'>trace</a><span class="Delimiter">(</span><span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">"parse"</span><span class="Delimiter">)</span> << <span class="Constant">"flushing segment"</span> << end<span class="Delimiter">();</span> <span id="L56" class="LineNr"> 56 </span> vector<line>& curr_segment_data = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Special"><a href='034compute_segment_address.cc.html#L24'>Currently_parsing_segment_index</a></span><span class="Delimiter">).</span><a href='011run.cc.html#L105'>lines</a><span class="Delimiter">;</span> <span id="L57" class="LineNr"> 57 </span> curr_segment_data<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>curr_segment_data<span class="Delimiter">.</span>end<span class="Delimiter">(),</span> <a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>begin<span class="Delimiter">(),</span> <a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>end<span class="Delimiter">());</span> <span id="L58" class="LineNr"> 58 </span> <a href='011run.cc.html#L105'>lines</a><span class="Delimiter">.</span>clear<span class="Delimiter">();</span> @@ -163,17 +163,17 @@ if ('onhashchange' in window) { <span id="L103" class="LineNr">103 </span><span class="Comment">//: compute segment address</span> <span id="L104" class="LineNr">104 </span> <span id="L105" class="LineNr">105 </span><span class="Delimiter">:(before "End Level-2 Transforms")</span> -<span id="L106" class="LineNr">106 </span><span class="Special"><a href='011run.cc.html#L225'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='034compute_segment_address.cc.html#L109'>compute_segment_starts</a><span class="Delimiter">);</span> +<span id="L106" class="LineNr">106 </span><span class="Special"><a href='011run.cc.html#L224'>Transform</a></span><span class="Delimiter">.</span>push_back<span class="Delimiter">(</span><a href='034compute_segment_address.cc.html#L109'>compute_segment_starts</a><span class="Delimiter">);</span> <span id="L107" class="LineNr">107 </span> <span id="L108" class="LineNr">108 </span><span class="Delimiter">:(code)</span> <span id="L109" class="LineNr">109 </span><span class="Normal">void</span> <a href='034compute_segment_address.cc.html#L109'>compute_segment_starts</a><span class="Delimiter">(</span>program& p<span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L110" class="LineNr">110 </span> <a href='003trace.cc.html#L183'>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">"-- compute segment addresses"</span> << end<span class="Delimiter">();</span> +<span id="L110" class="LineNr">110 </span> <a href='003trace.cc.html#L98'>trace</a><span class="Delimiter">(</span><span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">"transform"</span><span class="Delimiter">)</span> << <span class="Constant">"-- compute segment addresses"</span> << end<span class="Delimiter">();</span> <span id="L111" class="LineNr">111 </span> <span class="Normal">uint32_t</span> p_offset = <span class="Comment">/*</span><span class="Comment">size of ehdr</span><span class="Comment">*/</span><span class="Constant">0x34</span> + <a href='001help.cc.html#L166'>SIZE</a><span class="Delimiter">(</span>p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">)</span>*<span class="Constant">0x20</span><span class="Comment">/*</span><span class="Comment">size of each phdr</span><span class="Comment">*/</span><span class="Delimiter">;</span> <span id="L112" class="LineNr">112 </span> <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">size_t</span> i = <span class="Constant">0</span><span class="Delimiter">;</span> i < p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>size<span class="Delimiter">();</span> ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span> <span id="L113" class="LineNr">113 </span> segment& curr = p<span class="Delimiter">.</span><a href='011run.cc.html#L96'>segments</a><span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span> <span id="L114" class="LineNr">114 </span> <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">.</span>start == <span class="Constant">0</span><span class="Delimiter">)</span> <span class="Delimiter">{</span> -<span id="L115" class="LineNr">115 </span> curr<span class="Delimiter">.</span>start = <a href='012elf.cc.html#L135'>CODE_SEGMENT</a> + i*SPACE_FOR_SEGMENT + p_offset<span class="Delimiter">;</span> -<span id="L116" class="LineNr">116 </span> <a href='003trace.cc.html#L183'>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">"segment "</span> << i << <span class="Constant">" begins at address 0x"</span> << <a href='010---vm.cc.html#L413'>HEXWORD</a> << curr<span class="Delimiter">.</span>start << end<span class="Delimiter">();</span> +<span id="L115" class="LineNr">115 </span> curr<span class="Delimiter">.</span>start = <a href='012elf.cc.html#L136'>CODE_SEGMENT</a> + i*SPACE_FOR_SEGMENT + p_offset<span class="Delimiter">;</span> +<span id="L116" class="LineNr">116 </span> <a href='003trace.cc.html#L98'>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">"segment "</span> << i << <span class="Constant">" begins at address 0x"</span> << <a href='010---vm.cc.html#L433'>HEXWORD</a> << curr<span class="Delimiter">.</span>start << end<span class="Delimiter">();</span> <span id="L117" class="LineNr">117 </span> <span class="Delimiter">}</span> <span id="L118" class="LineNr">118 </span> p_offset += size_of<span class="Delimiter">(</span>curr<span class="Delimiter">);</span> <span id="L119" class="LineNr">119 </span> assert<span class="Delimiter">(</span>p_offset < <a href='010---vm.cc.html#L115'>SEGMENT_ALIGNMENT</a><span class="Delimiter">);</span> <span class="Comment">// for now we get less and less available space in each successive segment</span> |