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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2015-02-12 17:46:49 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2015-02-12 17:46:49 +0000 |
| commit | 203c5b9f39cbd9bc4ab3538537b36614af3274a8 (patch) | |
| tree | 7e779fd92118a64ff6db03ab2236e75148c95b91 /llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp | |
| parent | e732052f1661e9760827c18093169cf137c89850 (diff) | |
| download | bcm5719-llvm-203c5b9f39cbd9bc4ab3538537b36614af3274a8.tar.gz bcm5719-llvm-203c5b9f39cbd9bc4ab3538537b36614af3274a8.zip | |
On ELF, put PIC jump tables in a non executable section.
Fixes PR22558.
llvm-svn: 228939
Diffstat (limited to 'llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp index 0a49f5ff9fe..4f46e37d39c 100644 --- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp +++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp @@ -356,6 +356,13 @@ const MCSection *TargetLoweringObjectFileELF::getSectionForJumpTable( return getContext().getELFSection(Name, ELF::SHT_PROGBITS, Flags, 0, Group); } +bool TargetLoweringObjectFileELF::shouldPutJumpTableInFunctionSection( + bool UsesLabelDifference, const Function &F) const { + // We can always create relative relocations, so use another section + // that can be marked non-executable. + return false; +} + /// getSectionForConstant - Given a mergeable constant with the /// specified size and relocation information, return a section that it /// should be placed in. |
