1 //===- MCWin64EH.h - Machine Code Win64 EH support --------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains declarations to support the Win64 Exception Handling
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_MC_MCWIN64EH_H
16 #define LLVM_MC_MCWIN64EH_H
18 #include "llvm/MC/MCWinEH.h"
19 #include "llvm/Support/Win64EH.h"
27 static WinEH::Instruction PushNonVol(MCSymbol *L, unsigned Reg) {
28 return WinEH::Instruction(Win64EH::UOP_PushNonVol, L, Reg, -1);
30 static WinEH::Instruction Alloc(MCSymbol *L, unsigned Size) {
31 return WinEH::Instruction(Size > 128 ? UOP_AllocLarge : UOP_AllocSmall, L,
34 static WinEH::Instruction PushMachFrame(MCSymbol *L, bool Code) {
35 return WinEH::Instruction(UOP_PushMachFrame, L, -1, Code ? 1 : 0);
37 static WinEH::Instruction SaveNonVol(MCSymbol *L, unsigned Reg,
39 return WinEH::Instruction(Offset > 512 * 1024 - 8 ? UOP_SaveNonVolBig
43 static WinEH::Instruction SaveXMM(MCSymbol *L, unsigned Reg,
45 return WinEH::Instruction(Offset > 512 * 1024 - 8 ? UOP_SaveXMM128Big
49 static WinEH::Instruction SetFPReg(MCSymbol *L, unsigned Reg, unsigned Off) {
50 return WinEH::Instruction(UOP_SetFPReg, L, Reg, Off);
54 class UnwindEmitter : public WinEH::UnwindEmitter {
56 void Emit(MCStreamer &Streamer) const override;
57 void EmitUnwindInfo(MCStreamer &Streamer, WinEH::FrameInfo *FI) const override;
60 class ARM64UnwindEmitter : public WinEH::UnwindEmitter {
62 void Emit(MCStreamer &Streamer) const override;
63 void EmitUnwindInfo(MCStreamer &Streamer,
64 WinEH::FrameInfo *FI) const override;
68 } // end namespace llvm