|
| From: | slyfox at inbox dot ru |
| Subject: | [Bug ld/23527] regression (ld-2.30 worked): relocation R_X86_64_PC32 against protected symbol `a' can not be used when making a shared object |
| Date: | Wed, 15 Aug 2018 15:18:46 +0000 |
https://sourceware.org/bugzilla/show_bug.cgi?id=23527
--- Comment #5 from Sergei Trofimovich <slyfox at inbox dot ru> ---
(In reply to Sergei Trofimovich from comment #4)
> I'll try to find exact llvm commit that fixed it.
Found it:
commit 930bcc9bdfb9542a292c3de874d7e6ba1464cfe0
Author: George Rimar <address@hidden>
Date: Tue Feb 20 10:17:57 2018 +0000
[llvm-mc] - Produce R_X86_64_PLT32 for "call/jmp foo".
For instructions like call foo and jmp foo patch changes
relocation produced from R_X86_64_PC32 to R_X86_64_PLT32.
Relocation can be used as a marker for 32-bit PC-relative branches.
Linker will reduce PLT32 relocation to PC32 if function is defined locally.
Differential revision: https://reviews.llvm.org/D43383
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