[llvm-dev] LLD: question about debug_info relocs with emit-relocs + gc-sections.

[David Blaikie via llvm-dev]

+Fangrui Song <maskray at google.com>

Yeah, that sounds like a bug to me.

On Tue, Oct 20, 2020 at 5:25 PM Alexander Yermolovich via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hello.
>
> I have been looking in to what relocs are emitted when --emit-relcos and
> --gc-sections flags are set.
> Seems like relocs sections for .debug_* are not emitted.
> Looking into it the debug sections are marked live in
> MarkLive.cpp:MarkLive on first pass through all the inputSections, but
> their dependendSections are not marked as live.
> It then goes to rest of the algorithm that handles some special sections,
> but mainly deals with sections based on defined symbols in symtab.
>
> As the result when -gc-sections flag is set relocations for debug_* would
> not be in output. Is that intentional, or oversight?
>
> Thank You
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