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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 | c3c5d7c2d6e3add269d590b2632dec48634d39cf (patch) | |
| tree | 89a37d312cd7bd89a7399d0cecb8d3fe887f8733 /lib/CodeGen/TargetLoweringObjectFileImpl.cpp | |
| parent | 8eeedf74d346d6797236544847ebaa45e14d7703 (diff) | |
On ELF, put PIC jump tables in a non executable section.
Fixes PR22558.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228939 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TargetLoweringObjectFileImpl.cpp')
| -rw-r--r-- | lib/CodeGen/TargetLoweringObjectFileImpl.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/lib/CodeGen/TargetLoweringObjectFileImpl.cpp index 0a49f5ff9fe..4f46e37d39c 100644 --- a/lib/CodeGen/TargetLoweringObjectFileImpl.cpp +++ b/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. |