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<h3>
Marge Bot pushed to branch master
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
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<h4>
Commits:
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<ul>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/bbc752c50f3adcb659cd8447635828e137a0a314">bbc752c5</a></strong>
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<span>by Ben Gamari</span>
<i>at 2019-06-12T11:36:36Z</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts/linker: Make elf_got.c a bit more legible
</pre>
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<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/217e6db4af6752b13c586d4e8925a4a9a2f47245">217e6db4</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-06-12T11:36:36Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts/linker: Only mprotect GOT after it is filled
This fixes a regression, introduced by 67c422ca, where we mprotect'd the
global offset table (GOT) region to PROT_READ before we had finished
filling it, resulting in a linker crash.
Fixes #16779.
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<h4>1 changed file:</h4>
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<a href="#1fbdc15fb59db29e00c07dc7dac3b36492baaa1c">
rts/linker/elf_got.c
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<h4>Changes:</h4>
<li id="1fbdc15fb59db29e00c07dc7dac3b36492baaa1c">
<a href="https://gitlab.haskell.org/ghc/ghc/compare/c05ca251620ff2589f21192208a1e500285eb5c3...217e6db4af6752b13c586d4e8925a4a9a2f47245#1fbdc15fb59db29e00c07dc7dac3b36492baaa1c"><strong>rts/linker/elf_got.c</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -52,18 +52,18 @@ makeGot(ObjectCode * oc) {</td>
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<pre style="margin: 0;"> <span id="LC52" class="line" lang="c"> <span class="n" style="color: #333;">errorBelch</span><span class="p">(</span><span class="s" style="color: #d14;">"MAP_FAILED. errno=%d"</span><span class="p">,</span> <span class="n" style="color: #333;">errno</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC53" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">EXIT_FAILURE</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC54" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC55" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC56" class="line" lang="c"> <span class="n" style="color: #333;">oc</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">got_start</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">void</span><span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">mem</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC57" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* update got_addr */</span></span>
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<pre style="margin: 0;"> <span id="LC58" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">size_t</span> <span class="n" style="color: #333;">slot</span> <span class="o" style="font-weight: 600;">=</span> <span class="mi" style="color: #099;">0</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC59" class="line" lang="c"> <span class="k" style="font-weight: 600;">for</span><span class="p">(</span><span class="n" style="color: #333;">ElfSymbolTable</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">symTab</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">oc</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">symbolTables</span><span class="p">;</span></span>
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<pre style="margin: 0;">-<span id="LC59" class="line" lang="c"> <span class="n" style="color: #333;">symTab</span> <span class="o" style="font-weight: 600;">!=</span> <span class="nb" style="color: #0086b3;">NULL</span><span class="p">;</span> <span class="n" style="color: #333;">symTab</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">symTab</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">next</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC60" class="line" lang="c"> <span class="n" style="color: #333;">symTab</span> <span class="o" style="font-weight: 600;">!=</span> <span class="nb" style="color: #0086b3;">NULL</span><span class="p">;</span> <span class="n" style="color: #333;">symTab</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">symTab</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">next</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC61" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC62" class="line" lang="c"> <span class="k" style="font-weight: 600;">for</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">size_t</span> <span class="n" style="color: #333;">i</span><span class="o" style="font-weight: 600;">=</span><span class="mi" style="color: #099;">0</span><span class="p">;</span> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">symTab</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">n_symbols</span><span class="p">;</span> <span class="n" style="color: #333;">i</span><span class="o" style="font-weight: 600;">++</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC63" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span><span class="p">(</span><span class="n" style="color: #333;">needGotSlot</span><span class="p">(</span><span class="n" style="color: #333;">symTab</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">symbols</span><span class="p">[</span><span class="n" style="color: #333;">i</span><span class="p">].</span><span class="n" style="color: #333;">elf_sym</span><span class="p">))</span></span>
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<pre style="margin: 0;"> <span id="LC64" class="line" lang="c"> <span class="n" style="color: #333;">symTab</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">symbols</span><span class="p">[</span><span class="n" style="color: #333;">i</span><span class="p">].</span><span class="n" style="color: #333;">got_addr</span></span>
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<pre style="margin: 0;"> <span id="LC65" class="line" lang="c"> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">uint8_t</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">oc</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">got_start</span></span>
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<pre style="margin: 0;"> <span id="LC66" class="line" lang="c"> <span class="o" style="font-weight: 600;">+</span> <span class="p">(</span><span class="n" style="color: #333;">slot</span><span class="o" style="font-weight: 600;">++</span> <span class="o" style="font-weight: 600;">*</span> <span class="k" style="font-weight: 600;">sizeof</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">void</span><span class="o" style="font-weight: 600;">*</span><span class="p">));</span></span>
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<pre style="margin: 0;">-<span id="LC65" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span><span class="p">(</span><span class="n" style="color: #333;">mprotect</span><span class="p">(</span><span class="n" style="color: #333;">mem</span><span class="p">,</span> <span class="n" style="color: #333;">oc</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">got_size</span><span class="p">,</span> <span class="n" style="color: #333;">PROT_READ</span><span class="p">)</span> <span class="o" style="font-weight: 600;">!=</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">-<span id="LC66" class="line" lang="c"> <span class="n" style="color: #333;">sysErrorBelch</span><span class="p">(</span><span class="s" style="color: #d14;">"unable to protect memory"</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC67" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC68" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC69" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">EXIT_SUCCESS</span><span class="p">;</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -74,9 +74,12 @@ fillGot(ObjectCode * oc) {</td>
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74
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<pre style="margin: 0;"> <span id="LC74" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* fill the GOT table */</span></span>
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<pre style="margin: 0;"> <span id="LC75" class="line" lang="c"> <span class="k" style="font-weight: 600;">for</span><span class="p">(</span><span class="n" style="color: #333;">ElfSymbolTable</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">symTab</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">oc</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">symbolTables</span><span class="p">;</span></span>
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76
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<pre style="margin: 0;"> <span id="LC76" class="line" lang="c"> <span class="n" style="color: #333;">symTab</span> <span class="o" style="font-weight: 600;">!=</span> <span class="nb" style="color: #0086b3;">NULL</span><span class="p">;</span> <span class="n" style="color: #333;">symTab</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">symTab</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">next</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC77" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC78" class="line" lang="c"> <span class="k" style="font-weight: 600;">for</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">size_t</span> <span class="n" style="color: #333;">i</span><span class="o" style="font-weight: 600;">=</span><span class="mi" style="color: #099;">0</span><span class="p">;</span> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">symTab</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">n_symbols</span><span class="p">;</span> <span class="n" style="color: #333;">i</span><span class="o" style="font-weight: 600;">++</span><span class="p">)</span> <span class="p">{</span></span>
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78
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<pre style="margin: 0;"> <span id="LC79" class="line" lang="c"> <span class="n" style="color: #333;">ElfSymbol</span> <span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">symbol</span> <span class="o" style="font-weight: 600;">=</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">symTab</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">symbols</span><span class="p">[</span><span class="n" style="color: #333;">i</span><span class="p">];</span></span>
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<pre style="margin: 0;">+<span id="LC80" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC81" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span><span class="p">(</span><span class="n" style="color: #333;">needGotSlot</span><span class="p">(</span><span class="n" style="color: #333;">symbol</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">elf_sym</span><span class="p">))</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC82" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC83" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* no type are undefined symbols */</span></span>
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<pre style="margin: 0;"> <span id="LC84" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span><span class="p">(</span> <span class="n" style="color: #333;">STT_NOTYPE</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">ELF_ST_TYPE</span><span class="p">(</span><span class="n" style="color: #333;">symbol</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">elf_sym</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">st_info</span><span class="p">)</span></span>
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82
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<pre style="margin: 0;"> <span id="LC85" class="line" lang="c"> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">STB_WEAK</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">ELF_ST_BIND</span><span class="p">(</span><span class="n" style="color: #333;">symbol</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">elf_sym</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">st_info</span><span class="p">))</span> <span class="p">{</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="93" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="96" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -93,22 +96,31 @@ fillGot(ObjectCode * oc) {</td>
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<pre style="margin: 0;"> <span id="LC96" class="line" lang="c"> <span class="p">}</span> <span class="cm" style="color: #998; font-style: italic;">/* else it was defined somewhere in the same object, and</span></span>
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<pre style="margin: 0;"> <span id="LC97" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * we should have the address already.</span></span>
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<pre style="margin: 0;"> <span id="LC98" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> */</span></span>
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99
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<pre style="margin: 0;">+<span id="LC99" class="line" lang="c"></span>
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96
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100
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<pre style="margin: 0;"> <span id="LC100" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span><span class="p">(</span><span class="mh" style="color: #099;">0x0</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">symbol</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">addr</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num old_line" data-linenumber="97" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
97
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<td class="diff-line-num new_line" data-linenumber="101" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
101
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<pre style="margin: 0;"> <span id="LC101" class="line" lang="c"> <span class="n" style="color: #333;">errorBelch</span><span class="p">(</span></span>
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<td class="diff-line-num old_line" data-linenumber="98" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
98
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<td class="diff-line-num new_line" data-linenumber="102" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
102
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<pre style="margin: 0;"> <span id="LC102" class="line" lang="c"> <span class="s" style="color: #d14;">"Something went wrong! Symbol %s has null address.</span><span class="se" style="color: #d14;">\n</span><span class="s" style="color: #d14;">"</span><span class="p">,</span></span>
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99
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<td class="diff-line-num new_line" data-linenumber="103" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
103
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<pre style="margin: 0;"> <span id="LC103" class="line" lang="c"> <span class="n" style="color: #333;">symbol</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">name</span><span class="p">);</span></span>
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100
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<td class="diff-line-num new_line" data-linenumber="104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
104
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<pre style="margin: 0;"> <span id="LC104" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">EXIT_FAILURE</span><span class="p">;</span></span>
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101
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<td class="diff-line-num new_line" data-linenumber="105" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
105
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<pre style="margin: 0;"> <span id="LC105" class="line" lang="c"> <span class="p">}</span></span>
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106
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<pre style="margin: 0;">+<span id="LC106" class="line" lang="c"></span>
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102
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<td class="diff-line-num new_line" data-linenumber="107" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
107
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<pre style="margin: 0;"> <span id="LC107" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span><span class="p">(</span><span class="mh" style="color: #099;">0x0</span> <span class="o" style="font-weight: 600;">==</span> <span class="n" style="color: #333;">symbol</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">got_addr</span><span class="p">)</span> <span class="p">{</span></span>
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103
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<td class="diff-line-num new_line" data-linenumber="108" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
108
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<pre style="margin: 0;"> <span id="LC108" class="line" lang="c"> <span class="n" style="color: #333;">errorBelch</span><span class="p">(</span><span class="s" style="color: #d14;">"Not good either!"</span><span class="p">);</span></span>
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<td class="diff-line-num old_line" data-linenumber="104" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
104
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<td class="diff-line-num new_line" data-linenumber="109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
109
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<pre style="margin: 0;"> <span id="LC109" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">EXIT_FAILURE</span><span class="p">;</span></span>
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105
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110
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<pre style="margin: 0;"> <span id="LC110" class="line" lang="c"> <span class="p">}</span></span>
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111
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<pre style="margin: 0;">+<span id="LC111" class="line" lang="c"></span>
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<td class="diff-line-num old_line" data-linenumber="106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
106
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<td class="diff-line-num new_line" data-linenumber="112" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
112
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<pre style="margin: 0;"> <span id="LC112" class="line" lang="c"> <span class="o" style="font-weight: 600;">*</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: 600;">void</span><span class="o" style="font-weight: 600;">**</span><span class="p">)</span><span class="n" style="color: #333;">symbol</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">got_addr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">symbol</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">addr</span><span class="p">;</span></span>
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107
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113
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<pre style="margin: 0;"> <span id="LC113" class="line" lang="c"> <span class="p">}</span></span>
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108
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114
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<pre style="margin: 0;"> <span id="LC114" class="line" lang="c"> <span class="p">}</span></span>
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109
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115
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<pre style="margin: 0;"> <span id="LC115" class="line" lang="c"> <span class="p">}</span></span>
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116
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<pre style="margin: 0;">+<span id="LC116" class="line" lang="c"></span>
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<td class="diff-line-num new new_line" data-linenumber="117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
117
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<pre style="margin: 0;">+<span id="LC117" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// We are done initializing the GOT; freeze it.</span></span>
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<td class="diff-line-num new new_line" data-linenumber="118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
118
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<pre style="margin: 0;">+<span id="LC118" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span><span class="p">(</span><span class="n" style="color: #333;">mprotect</span><span class="p">(</span><span class="n" style="color: #333;">oc</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">got_start</span><span class="p">,</span> <span class="n" style="color: #333;">oc</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">got_size</span><span class="p">,</span> <span class="n" style="color: #333;">PROT_READ</span><span class="p">)</span> <span class="o" style="font-weight: 600;">!=</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num new new_line" data-linenumber="119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
119
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<pre style="margin: 0;">+<span id="LC119" class="line" lang="c"> <span class="n" style="color: #333;">sysErrorBelch</span><span class="p">(</span><span class="s" style="color: #d14;">"unable to protect memory"</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
120
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<pre style="margin: 0;">+<span id="LC120" class="line" lang="c"> <span class="p">}</span></span>
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<td class="diff-line-num old_line" data-linenumber="110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
110
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<td class="diff-line-num new_line" data-linenumber="121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
121
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<pre style="margin: 0;"> <span id="LC121" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">EXIT_SUCCESS</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC122" class="line" lang="c"><span class="p">}</span></span>
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<pre style="margin: 0;">+<span id="LC123" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC124" class="line" lang="c"><span class="n" style="color: #333;">bool</span></span>
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125
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<pre style="margin: 0;"> <span id="LC125" class="line" lang="c"><span class="nf" style="color: #900; font-weight: 600;">verifyGot</span><span class="p">(</span><span class="n" style="color: #333;">ObjectCode</span> <span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">oc</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC126" class="line" lang="c"> <span class="k" style="font-weight: 600;">for</span><span class="p">(</span><span class="n" style="color: #333;">ElfSymbolTable</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">symTab</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">oc</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">symbolTables</span><span class="p">;</span></span>
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