llvm-project/llvm/lib/Target/X86/AsmParser/X86AsmInstrumentation.h

67 lines
1.9 KiB
C++

//===- X86AsmInstrumentation.h - Instrument X86 inline assembly -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_X86_ASMPARSER_X86ASMINSTRUMENTATION_H
#define LLVM_LIB_TARGET_X86_ASMPARSER_X86ASMINSTRUMENTATION_H
#include "llvm/ADT/SmallVector.h"
#include <memory>
namespace llvm {
class MCContext;
class MCInst;
class MCInstrInfo;
class MCParsedAsmOperand;
class MCStreamer;
class MCSubtargetInfo;
class MCTargetOptions;
class X86AsmInstrumentation;
X86AsmInstrumentation *
CreateX86AsmInstrumentation(const MCTargetOptions &MCOptions,
const MCContext &Ctx,
const MCSubtargetInfo *&STI);
class X86AsmInstrumentation {
public:
virtual ~X86AsmInstrumentation();
// Sets frame register corresponding to a current frame.
void SetInitialFrameRegister(unsigned RegNo) {
InitialFrameReg = RegNo;
}
// Tries to instrument and emit instruction.
virtual void InstrumentAndEmitInstruction(
const MCInst &Inst,
SmallVectorImpl<std::unique_ptr<MCParsedAsmOperand>> &Operands,
MCContext &Ctx, const MCInstrInfo &MII, MCStreamer &Out);
protected:
friend X86AsmInstrumentation *
CreateX86AsmInstrumentation(const MCTargetOptions &MCOptions,
const MCContext &Ctx,
const MCSubtargetInfo *&STI);
X86AsmInstrumentation(const MCSubtargetInfo *&STI);
unsigned GetFrameRegGeneric(const MCContext &Ctx, MCStreamer &Out);
void EmitInstruction(MCStreamer &Out, const MCInst &Inst);
const MCSubtargetInfo *&STI;
unsigned InitialFrameReg = 0;
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_X86_ASMPARSER_X86ASMINSTRUMENTATION_H