https://sourceware.org/bugzilla/show_bug.cgi?id=33314
Rich Felker <bugdal at aerifal dot cx> changed:
What |Removed |Added
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CC| |bugdal at aerifal dot cx
--- Comment #15 from Rich Felker <bugdal at aerifal dot cx> ---
This issue is causing real-world breakage in mesa too (until it was worked
around with hacks that likely hurt performance a lot). See
https://gitlab.freedesktop.org/mesa/mesa/-/issues/13236
I think I know roughly what's going on. The TLSDESC dynamic relocations are
being put in the .rel[a].plt section, which normally doesn't have addends, and
it looks like some wrong adjustment to the addends is being made there,
possibly due to unnecessary slots getting dropped at a later stage after
they're calculated or something. Putting them where they belong in .rel[a].dyn,
where addends are known to work right, should avoid the problem.
This was fixed for x86 in https://sourceware.org/bugzilla/show_bug.cgi?id=28387
but other targets are still broken.
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