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| author | Alfredo Dal'Ava Junior <alfredo.junior@eldorado.org.br> | 2021-11-05 07:23:24 -0500 |
|---|---|---|
| committer | Nemanja Ivanovic <nemanja.i.ibm@gmail.com> | 2021-11-05 07:29:50 -0500 |
| commit | 1cb9f37a17ab528e53d38c790c1bc44a087d2a50 (patch) | |
| tree | ded282b2a214d312408d110f7e70df07495ccd35 /llvm/lib/CodeGen/TargetLoweringBase.cpp | |
| parent | 13a442ca494dcd177e8ea134e4f713c90f71bd42 (diff) | |
| download | llvm-1cb9f37a17ab528e53d38c790c1bc44a087d2a50.zip llvm-1cb9f37a17ab528e53d38c790c1bc44a087d2a50.tar.gz llvm-1cb9f37a17ab528e53d38c790c1bc44a087d2a50.tar.bz2 | |
[FreeBSD] Do not mark __stack_chk_guard as dso_local
This symbol is defined in libc.so so it is definitely not DSO-Local.
Marking it as such causes problems on some platforms (such as PowerPC).
Differential revision: https://reviews.llvm.org/D109090
Diffstat (limited to 'llvm/lib/CodeGen/TargetLoweringBase.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TargetLoweringBase.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp index 811d208..0dd45be 100644 --- a/llvm/lib/CodeGen/TargetLoweringBase.cpp +++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp @@ -1987,8 +1987,11 @@ void TargetLoweringBase::insertSSPDeclarations(Module &M) const { auto *GV = new GlobalVariable(M, Type::getInt8PtrTy(M.getContext()), false, GlobalVariable::ExternalLinkage, nullptr, "__stack_chk_guard"); + + // FreeBSD has "__stack_chk_guard" defined externally on libc.so if (TM.getRelocationModel() == Reloc::Static && - !TM.getTargetTriple().isWindowsGNUEnvironment()) + !TM.getTargetTriple().isWindowsGNUEnvironment() && + !TM.getTargetTriple().isOSFreeBSD()) GV->setDSOLocal(true); } } |