1 //===- X86AsmInstrumentation.h - Instrument X86 inline assembly *- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_LIB_TARGET_X86_ASMPARSER_X86ASMINSTRUMENTATION_H 11 #define LLVM_LIB_TARGET_X86_ASMPARSER_X86ASMINSTRUMENTATION_H 12 13 #include "llvm/ADT/SmallVector.h" 14 15 #include <memory> 16 17 namespace llvm { 18 19 class MCContext; 20 class MCInst; 21 class MCInstrInfo; 22 class MCParsedAsmOperand; 23 class MCStreamer; 24 class MCSubtargetInfo; 25 class MCTargetOptions; 26 27 class X86AsmInstrumentation; 28 29 X86AsmInstrumentation * 30 CreateX86AsmInstrumentation(const MCTargetOptions &MCOptions, 31 const MCContext &Ctx, const MCSubtargetInfo &STI); 32 33 class X86AsmInstrumentation { 34 public: 35 virtual ~X86AsmInstrumentation(); 36 37 // Sets frame register corresponding to a current frame. 38 void SetInitialFrameRegister(unsigned RegNo) { 39 InitialFrameReg = RegNo; 40 } 41 42 // Tries to instrument and emit instruction. 43 virtual void InstrumentAndEmitInstruction( 44 const MCInst &Inst, 45 SmallVectorImpl<std::unique_ptr<MCParsedAsmOperand> > &Operands, 46 MCContext &Ctx, const MCInstrInfo &MII, MCStreamer &Out); 47 48 protected: 49 friend X86AsmInstrumentation * 50 CreateX86AsmInstrumentation(const MCTargetOptions &MCOptions, 51 const MCContext &Ctx, const MCSubtargetInfo &STI); 52 53 X86AsmInstrumentation(const MCSubtargetInfo &STI); 54 55 unsigned GetFrameRegGeneric(const MCContext &Ctx, MCStreamer &Out); 56 57 void EmitInstruction(MCStreamer &Out, const MCInst &Inst); 58 59 const MCSubtargetInfo &STI; 60 61 unsigned InitialFrameReg; 62 }; 63 64 } // End llvm namespace 65 66 #endif 67
