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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2015-02-17 23:34:51 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2015-02-17 23:34:51 +0000 |
| commit | df19519800168690eeb5fc92f366820019c62217 (patch) | |
| tree | 922badcf72f03c3190eba57a94f282ecf43a5b0b /llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp | |
| parent | c0a2279099b2c525967e104123f404ff24f26499 (diff) | |
| download | bcm5719-llvm-df19519800168690eeb5fc92f366820019c62217.tar.gz bcm5719-llvm-df19519800168690eeb5fc92f366820019c62217.zip | |
Add r228939 back with a fix.
The problem in the original patch was not switching back to .text after printing
an eh table.
Original message:
On ELF, put PIC jump tables in a non executable section.
Fixes PR22558.
llvm-svn: 229586
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 07d9576222e..0ef10bfa440 100644 --- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp +++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp @@ -359,6 +359,13 @@ 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. |
