mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-13 20:32:21 +00:00
cd52a7a381
Apparently, the style needs to be agreed upon first. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240390 91177308-0d34-0410-b5e6-96231b3b80d8
64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
//===- MCWin64EH.h - Machine Code Win64 EH support --------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains declarations to support the Win64 Exception Handling
|
|
// scheme in MC.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_MC_MCWIN64EH_H
|
|
#define LLVM_MC_MCWIN64EH_H
|
|
|
|
#include "llvm/MC/MCWinEH.h"
|
|
#include "llvm/Support/Win64EH.h"
|
|
#include <vector>
|
|
|
|
namespace llvm {
|
|
class MCStreamer;
|
|
class MCSymbol;
|
|
|
|
namespace Win64EH {
|
|
struct Instruction {
|
|
static WinEH::Instruction PushNonVol(MCSymbol *L, unsigned Reg) {
|
|
return WinEH::Instruction(Win64EH::UOP_PushNonVol, L, Reg, -1);
|
|
}
|
|
static WinEH::Instruction Alloc(MCSymbol *L, unsigned Size) {
|
|
return WinEH::Instruction(Size > 128 ? UOP_AllocLarge : UOP_AllocSmall, L,
|
|
-1, Size);
|
|
}
|
|
static WinEH::Instruction PushMachFrame(MCSymbol *L, bool Code) {
|
|
return WinEH::Instruction(UOP_PushMachFrame, L, -1, Code ? 1 : 0);
|
|
}
|
|
static WinEH::Instruction SaveNonVol(MCSymbol *L, unsigned Reg,
|
|
unsigned Offset) {
|
|
return WinEH::Instruction(Offset > 512 * 1024 - 8 ? UOP_SaveNonVolBig
|
|
: UOP_SaveNonVol,
|
|
L, Reg, Offset);
|
|
}
|
|
static WinEH::Instruction SaveXMM(MCSymbol *L, unsigned Reg,
|
|
unsigned Offset) {
|
|
return WinEH::Instruction(Offset > 512 * 1024 - 8 ? UOP_SaveXMM128Big
|
|
: UOP_SaveXMM128,
|
|
L, Reg, Offset);
|
|
}
|
|
static WinEH::Instruction SetFPReg(MCSymbol *L, unsigned Reg, unsigned Off) {
|
|
return WinEH::Instruction(UOP_SetFPReg, L, Reg, Off);
|
|
}
|
|
};
|
|
|
|
class UnwindEmitter : public WinEH::UnwindEmitter {
|
|
public:
|
|
void Emit(MCStreamer &Streamer) const override;
|
|
void EmitUnwindInfo(MCStreamer &Streamer, WinEH::FrameInfo *FI) const override;
|
|
};
|
|
}
|
|
} // end namespace llvm
|
|
|
|
#endif
|