X86AsmPrinter.h revision 263508
1//===-- X86AsmPrinter.h - X86 implementation of AsmPrinter ------*- 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 X86ASMPRINTER_H 11#define X86ASMPRINTER_H 12 13#include "X86.h" 14#include "X86MachineFunctionInfo.h" 15#include "X86TargetMachine.h" 16#include "llvm/CodeGen/AsmPrinter.h" 17#include "llvm/CodeGen/MachineModuleInfo.h" 18#include "llvm/CodeGen/ValueTypes.h" 19#include "llvm/CodeGen/StackMaps.h" 20#include "llvm/Support/Compiler.h" 21 22namespace llvm { 23 24class MCStreamer; 25 26class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter { 27 const X86Subtarget *Subtarget; 28 StackMaps SM; 29 30 // Parses operands of PATCHPOINT and STACKMAP to produce stack map Location 31 // structures. Returns a result location and an iterator to the operand 32 // immediately following the operands consumed. 33 // 34 // This method is implemented in X86MCInstLower.cpp. 35 static std::pair<StackMaps::Location, MachineInstr::const_mop_iterator> 36 stackmapOperandParser(MachineInstr::const_mop_iterator MOI, 37 MachineInstr::const_mop_iterator MOE, 38 const TargetMachine &TM); 39 40 public: 41 explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer) 42 : AsmPrinter(TM, Streamer), SM(*this, stackmapOperandParser) { 43 Subtarget = &TM.getSubtarget<X86Subtarget>(); 44 } 45 46 virtual const char *getPassName() const LLVM_OVERRIDE { 47 return "X86 Assembly / Object Emitter"; 48 } 49 50 const X86Subtarget &getSubtarget() const { return *Subtarget; } 51 52 virtual void EmitStartOfAsmFile(Module &M) LLVM_OVERRIDE; 53 54 virtual void EmitEndOfAsmFile(Module &M) LLVM_OVERRIDE; 55 56 virtual void EmitInstruction(const MachineInstr *MI) LLVM_OVERRIDE; 57 58 void printSymbolOperand(const MachineOperand &MO, raw_ostream &O); 59 60 // These methods are used by the tablegen'erated instruction printer. 61 void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O, 62 const char *Modifier = 0, unsigned AsmVariant = 0); 63 void printPCRelImm(const MachineInstr *MI, unsigned OpNo, raw_ostream &O); 64 65 bool printAsmMRegister(const MachineOperand &MO, char Mode, raw_ostream &O); 66 virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, 67 unsigned AsmVariant, const char *ExtraCode, 68 raw_ostream &OS) LLVM_OVERRIDE; 69 virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo, 70 unsigned AsmVariant, const char *ExtraCode, 71 raw_ostream &OS) LLVM_OVERRIDE; 72 73 void printMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O, 74 const char *Modifier=NULL); 75 void printLeaMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O, 76 const char *Modifier=NULL); 77 78 void printIntelMemReference(const MachineInstr *MI, unsigned Op, 79 raw_ostream &O, const char *Modifier=NULL, 80 unsigned AsmVariant = 1); 81 82 virtual bool runOnMachineFunction(MachineFunction &F) LLVM_OVERRIDE; 83}; 84 85} // end namespace llvm 86 87#endif 88