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| author | RamNalamothu <VenkataRamanaiah.Nalamothu@amd.com> | 2021-06-14 06:57:58 +0530 |
|---|---|---|
| committer | RamNalamothu <VenkataRamanaiah.Nalamothu@amd.com> | 2021-06-14 08:51:50 +0530 |
| commit | 167e7afcd52bc1438d60320ec1d1bc53b8eae4a3 (patch) | |
| tree | dc3cb0f9a309f05e26771ff7cbce689425c409a1 /llvm/lib/MC/MCStreamer.cpp | |
| parent | dcbbc69cc58294cedc865259c6fd5ba80ecd9bd3 (diff) | |
| download | llvm-167e7afcd52bc1438d60320ec1d1bc53b8eae4a3.zip llvm-167e7afcd52bc1438d60320ec1d1bc53b8eae4a3.tar.gz llvm-167e7afcd52bc1438d60320ec1d1bc53b8eae4a3.tar.bz2 | |
Implement DW_CFA_LLVM_* for Heterogeneous Debugging
Add support in MC/MIR for writing/parsing, and DebugInfo.
This is part of the Extensions for Heterogeneous Debugging defined at
https://llvm.org/docs/AMDGPUDwarfExtensionsForHeterogeneousDebugging.html
Specifically the CFI instructions implemented here are defined at
https://llvm.org/docs/AMDGPUDwarfExtensionsForHeterogeneousDebugging.html#cfa-definition-instructions
Reviewed By: clayborg
Differential Revision: https://reviews.llvm.org/D76877
Diffstat (limited to 'llvm/lib/MC/MCStreamer.cpp')
| -rw-r--r-- | llvm/lib/MC/MCStreamer.cpp | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/llvm/lib/MC/MCStreamer.cpp b/llvm/lib/MC/MCStreamer.cpp index 5d06240..2a1998f 100644 --- a/llvm/lib/MC/MCStreamer.cpp +++ b/llvm/lib/MC/MCStreamer.cpp @@ -444,7 +444,8 @@ void MCStreamer::emitCFIStartProc(bool IsSimple, SMLoc Loc) { if (MAI) { for (const MCCFIInstruction& Inst : MAI->getInitialFrameState()) { if (Inst.getOperation() == MCCFIInstruction::OpDefCfa || - Inst.getOperation() == MCCFIInstruction::OpDefCfaRegister) { + Inst.getOperation() == MCCFIInstruction::OpDefCfaRegister || + Inst.getOperation() == MCCFIInstruction::OpLLVMDefAspaceCfa) { Frame.CurrentCfaRegister = Inst.getRegister(); } } @@ -517,6 +518,18 @@ void MCStreamer::emitCFIDefCfaRegister(int64_t Register) { CurFrame->CurrentCfaRegister = static_cast<unsigned>(Register); } +void MCStreamer::emitCFILLVMDefAspaceCfa(int64_t Register, int64_t Offset, + int64_t AddressSpace) { + MCSymbol *Label = emitCFILabel(); + MCCFIInstruction Instruction = MCCFIInstruction::createLLVMDefAspaceCfa( + Label, Register, Offset, AddressSpace); + MCDwarfFrameInfo *CurFrame = getCurrentDwarfFrameInfo(); + if (!CurFrame) + return; + CurFrame->Instructions.push_back(Instruction); + CurFrame->CurrentCfaRegister = static_cast<unsigned>(Register); +} + void MCStreamer::emitCFIOffset(int64_t Register, int64_t Offset) { MCSymbol *Label = emitCFILabel(); MCCFIInstruction Instruction = |