[llvm-dev] [RFC][Dwarf Library] Relocations for DWO sections

David Blaikie via llvm-dev llvm-dev at lists.llvm.org
Fri Jul 23 07:41:55 PDT 2021


General premise sounds correct to me (that we shouldn't be processing those
sections, etc). I've replied to the patch - thanks for taking a look at
this!

(out of curiosity: What are you using Split DWARF single mode for (if you
can speak to the application)?)

On Thu, Jul 22, 2021 at 9:10 PM Alexander Yermolovich via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hello
>
> I observed when DWARF Context is created for DWO object (split dwarf
> single mode), that relocations for .debug_info are processed and are stored
> in a map. This adds quite a bit of memory overhead. This doesn't seem like
> it is needed for DWO Context. Context created through
> API DWARFContext::getDWOContext. Am I missing something?
>
> Illustrative patch to fix this:
> https://reviews.llvm.org/D106624
>
> Thank you,
> Alex
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