[llvm-bugs] [Bug 49693] GOT references generated for code that requests static relocation model
via llvm-bugs
llvm-bugs at lists.llvm.org
Tue Mar 23 10:24:27 PDT 2021
https://bugs.llvm.org/show_bug.cgi?id=49693
Fangrui Song <i at maskray.me> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |i at maskray.me
Status|NEW |RESOLVED
Resolution|--- |INVALID
--- Comment #2 from Fangrui Song <i at maskray.me> ---
The new behavior works intended and is more consistent with
--relocation-model=pic.
Traditionally ELF compilers use direct access with static relocation model,
which can cause copy relocations
(https://maskray.me/blog/2021-01-09-copy-relocations-canonical-plt-entries-and-protected)
The new behavior requires explicit dso_local, like the annotation you need for
pie/pic.
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