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author | Charles Davis <cdavis@mines.edu> | 2011-05-27 03:25:01 +0000 |
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committer | Charles Davis <cdavis@mines.edu> | 2011-05-27 03:25:01 +0000 |
commit | c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4ef (patch) | |
tree | 81bc296a672d3cdbf8e8c178bc7392bab8b6c60d /include | |
parent | ef60724ddc7726da8044d711c2a126197f4a0965 (diff) | |
download | llvm-c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4ef.tar.gz llvm-c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4ef.tar.bz2 llvm-c4cbf9b6aa95cf861a5a80bfccf615ff5c53e4ef.tar.xz |
Start keeping track of where the various unwind instructions are in the prolog.
Use them to calculate the offset inside the prolog. Emit this value when
emitting the unwind codes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132177 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
-rw-r--r-- | include/llvm/MC/MCWin64EH.h | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/include/llvm/MC/MCWin64EH.h b/include/llvm/MC/MCWin64EH.h index 39f3046546..5c0cfad7c3 100644 --- a/include/llvm/MC/MCWin64EH.h +++ b/include/llvm/MC/MCWin64EH.h @@ -28,30 +28,31 @@ namespace llvm { typedef Win64EH::UnwindOpcodes OpType; private: OpType Operation; + MCSymbol *Label; unsigned Offset; unsigned Register; public: - MCWin64EHInstruction(OpType Op, unsigned Reg) - : Operation(Op), Offset(0), Register(Reg) { - assert(Op == Win64EH::UOP_PushNonVol); + MCWin64EHInstruction(OpType Op, MCSymbol *L, unsigned Reg) + : Operation(Op), Label(L), Offset(0), Register(Reg) { + assert(Op == Win64EH::UOP_PushNonVol); } - MCWin64EHInstruction(unsigned Size) + MCWin64EHInstruction(MCSymbol *L, unsigned Size) : Operation(Size>128 ? Win64EH::UOP_AllocLarge : Win64EH::UOP_AllocSmall), - Offset(Size) { } - MCWin64EHInstruction(OpType Op, unsigned Reg, - unsigned Off) - : Operation(Op), Offset(Off), Register(Reg) { + Label(L), Offset(Size) { } + MCWin64EHInstruction(OpType Op, MCSymbol *L, unsigned Reg, unsigned Off) + : Operation(Op), Label(L), Offset(Off), Register(Reg) { assert(Op == Win64EH::UOP_SetFPReg || Op == Win64EH::UOP_SaveNonVol || Op == Win64EH::UOP_SaveNonVolBig || Op == Win64EH::UOP_SaveXMM128 || Op == Win64EH::UOP_SaveXMM128Big); } - MCWin64EHInstruction(OpType Op, bool Code) - : Operation(Op), Offset(Code ? 1 : 0) { + MCWin64EHInstruction(OpType Op, MCSymbol *L, bool Code) + : Operation(Op), Label(L), Offset(Code ? 1 : 0) { assert(Op == Win64EH::UOP_PushMachFrame); } OpType getOperation() const { return Operation; } + MCSymbol *getLabel() const { return Label; } unsigned getOffset() const { return Offset; } unsigned getSize() const { return Offset; } unsigned getRegister() const { return Register; } |