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| author | Saleem Abdulrasool <compnerd@compnerd.org> | 2017-07-28 03:39:19 +0000 |
|---|---|---|
| committer | Saleem Abdulrasool <compnerd@compnerd.org> | 2017-07-28 03:39:19 +0000 |
| commit | a219b3d8d1fd65b5b52ee47b026d092ad10c44ef (patch) | |
| tree | 2756d8931b2a74e1623dbe5aa147c8f8713e95cf /llvm/lib/MC/MCStreamer.cpp | |
| parent | b3c70c09e37f73e8188fc3da8b9ed9914bca232e (diff) | |
| download | bcm5719-llvm-a219b3d8d1fd65b5b52ee47b026d092ad10c44ef.tar.gz bcm5719-llvm-a219b3d8d1fd65b5b52ee47b026d092ad10c44ef.zip | |
MC: add support for cfi_return_column
This adds support for the CFI pseudo-op return_column. This specifies
the frame table column which contains the return address.
Addresses PR33953!
llvm-svn: 309360
Diffstat (limited to 'llvm/lib/MC/MCStreamer.cpp')
| -rw-r--r-- | llvm/lib/MC/MCStreamer.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCStreamer.cpp b/llvm/lib/MC/MCStreamer.cpp index 2bfb9a63eed..e35907f77e1 100644 --- a/llvm/lib/MC/MCStreamer.cpp +++ b/llvm/lib/MC/MCStreamer.cpp @@ -508,6 +508,12 @@ void MCStreamer::EmitCFIWindowSave() { CurFrame->Instructions.push_back(Instruction); } +void MCStreamer::EmitCFIReturnColumn(int64_t Register) { + EnsureValidDwarfFrame(); + MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo(); + CurFrame->RAReg = Register; +} + void MCStreamer::EnsureValidWinFrameInfo() { const MCAsmInfo *MAI = Context.getAsmInfo(); if (!MAI->usesWindowsCFI()) |
