LLVM  3.7.0
X86AsmInstrumentation.h
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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 
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 *
51  const MCContext &Ctx, const MCSubtargetInfo &STI);
52 
54 
55  unsigned GetFrameRegGeneric(const MCContext &Ctx, MCStreamer &Out);
56 
57  void EmitInstruction(MCStreamer &Out, const MCInst &Inst);
58 
60 
61  unsigned InitialFrameReg;
62 };
63 
64 } // End llvm namespace
65 
66 #endif
X86AsmInstrumentation * CreateX86AsmInstrumentation(const MCTargetOptions &MCOptions, const MCContext &Ctx, const MCSubtargetInfo &STI)
X86AsmInstrumentation(const MCSubtargetInfo &STI)
const MCSubtargetInfo & STI
friend X86AsmInstrumentation * CreateX86AsmInstrumentation(const MCTargetOptions &MCOptions, const MCContext &Ctx, const MCSubtargetInfo &STI)
unsigned GetFrameRegGeneric(const MCContext &Ctx, MCStreamer &Out)
This class consists of common code factored out of the SmallVector class to reduce code duplication b...
Definition: APInt.h:33
Context object for machine code objects.
Definition: MCContext.h:48
Instances of this class represent a single low-level machine instruction.
Definition: MCInst.h:150
virtual void InstrumentAndEmitInstruction(const MCInst &Inst, SmallVectorImpl< std::unique_ptr< MCParsedAsmOperand > > &Operands, MCContext &Ctx, const MCInstrInfo &MII, MCStreamer &Out)
void EmitInstruction(MCStreamer &Out, const MCInst &Inst)
Streaming machine code generation interface.
Definition: MCStreamer.h:157
Interface to description of machine instruction set.
Definition: MCInstrInfo.h:24
SI Fold Operands
MCSubtargetInfo - Generic base class for all target subtargets.
void SetInitialFrameRegister(unsigned RegNo)