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| author | George Rimar <grimar@accesssoftek.com> | 2015-12-10 09:03:39 +0000 |
|---|---|---|
| committer | George Rimar <grimar@accesssoftek.com> | 2015-12-10 09:03:39 +0000 |
| commit | b72a9c6f02e4b2db591257c4ea67ae00257950bb (patch) | |
| tree | 9355b1b2b57a5c10f22b67c45de019d6f20d597d /lld/ELF | |
| parent | a92ffb011eef742665cf1d96358af4383de44353 (diff) | |
| download | bcm5719-llvm-b72a9c6f02e4b2db591257c4ea67ae00257950bb.tar.gz bcm5719-llvm-b72a9c6f02e4b2db591257c4ea67ae00257950bb.zip | |
[ELF] - Resolve R_386_PLT32 statically in some cases.
If R_386_PLT32 relocation is applied against symbol that can not be preempted then it can be resolved statically.
Patch implements it for x86 target.
Differential revision: http://reviews.llvm.org/D15376
llvm-svn: 255233
Diffstat (limited to 'lld/ELF')
| -rw-r--r-- | lld/ELF/Target.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lld/ELF/Target.cpp b/lld/ELF/Target.cpp index c98e694e49d..3751655e1d6 100644 --- a/lld/ELF/Target.cpp +++ b/lld/ELF/Target.cpp @@ -333,7 +333,8 @@ bool X86TargetInfo::relocNeedsGot(uint32_t Type, const SymbolBody &S) const { } bool X86TargetInfo::relocNeedsPlt(uint32_t Type, const SymbolBody &S) const { - return Type == R_386_PLT32 || (Type == R_386_PC32 && S.isShared()); + return (Type == R_386_PLT32 && canBePreempted(&S, true)) || + (Type == R_386_PC32 && S.isShared()); } void X86TargetInfo::relocateOne(uint8_t *Loc, uint8_t *BufEnd, uint32_t Type, @@ -350,6 +351,7 @@ void X86TargetInfo::relocateOne(uint8_t *Loc, uint8_t *BufEnd, uint32_t Type, add32le(Loc, SA + Out<ELF32LE>::Got->getVA() - P); break; case R_386_PC32: + case R_386_PLT32: add32le(Loc, SA - P); break; case R_386_TLS_GD: |
