diff options
| author | Rafael Espindola <rafael.espindola@gmail.com> | 2012-11-25 15:14:49 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2012-11-25 15:14:49 +0000 |
| commit | f4f14f68f6078ea6681ee27b5bf42719d7db3441 (patch) | |
| tree | 008861973146b0c72963fbaec75f7e9cb8c64798 /lib/MC/MCStreamer.cpp | |
| parent | a91eead943d9016fd25f92ab723d8e44ead34109 (diff) | |
| download | llvm-f4f14f68f6078ea6681ee27b5bf42719d7db3441.tar.gz llvm-f4f14f68f6078ea6681ee27b5bf42719d7db3441.tar.bz2 llvm-f4f14f68f6078ea6681ee27b5bf42719d7db3441.tar.xz | |
Add support for .cfi_register now that it is easy to extent the representation
to support it. Original patch with the parsing and plumbing by the PaX team and
Roman Divacky. I added the bits in MCDwarf.cpp and the test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168565 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/MC/MCStreamer.cpp')
| -rw-r--r-- | lib/MC/MCStreamer.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp index 4f6b6239cc..cdfd5246f3 100644 --- a/lib/MC/MCStreamer.cpp +++ b/lib/MC/MCStreamer.cpp @@ -356,6 +356,14 @@ void MCStreamer::EmitCFIUndefined(int64_t Register) { CurFrame->Instructions.push_back(Instruction); } +void MCStreamer::EmitCFIRegister(int64_t Register1, int64_t Register2) { + MCSymbol *Label = EmitCFICommon(); + MCCFIInstruction Instruction = + MCCFIInstruction::createRegister(Label, Register1, Register2); + MCDwarfFrameInfo *CurFrame = getCurrentFrameInfo(); + CurFrame->Instructions.push_back(Instruction); +} + void MCStreamer::setCurrentW64UnwindInfo(MCWin64EHUnwindInfo *Frame) { W64UnwindInfos.push_back(Frame); CurrentW64UnwindInfo = W64UnwindInfos.back(); |