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<p class="MsoNormal">In a RelWithDebInfo (-g -O2) build of Clang, over 90% of the final executable size is DWARF information.<o:p></o:p></p>
<p class="MsoNormal">The percentage will be lower with a Debug build, but I don’t have an actual number for that.<o:p></o:p></p>
<p class="MsoNormal">You can look at the sizes of ELF sections whose names start with .debug_ to see for yourself.<o:p></o:p></p>
<p class="MsoNormal">--paulr<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> llvm-dev <llvm-dev-bounces@lists.llvm.org> <b>On Behalf Of
</b>pawel k. via llvm-dev<br>
<b>Sent:</b> Friday, April 16, 2021 10:00 AM<br>
<b>To:</b> llvm-dev <llvm-dev@lists.llvm.org><br>
<b>Subject:</b> [llvm-dev] Is clang genned debuginfo really that huge<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
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<p class="MsoNormal">Slightly weekendy offtopic on debug info and stacktraces as afterthought on my fight with building clang on lowbie machine and how not to approach this area.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Slightly neg example: golang.<o:p></o:p></p>
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<p class="MsoNormal"><a href="https://urldefense.com/v3/__https:/social.lansky.name/@hn100/106075246574771701__;!!JmoZiZGBv3RvKRSx!prx6BiBJgvf-zJPhNmN0GKNXyFhCefia5K9p6Rd_3wnex5bVdKFDoLpex_Ev5XUsKw$">https://social.lansky.name/@hn100/106075246574771701</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Sorry for offtop and have a nice weekend,<o:p></o:p></p>
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<p class="MsoNormal">Pk<o:p></o:p></p>
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