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/Support/Compiler.h" 20 21 namespace llvm { 22 23 class MCStreamer; 24 25 class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter { 26 const X86Subtarget *Subtarget; 27 public: X86AsmPrinter(TargetMachine & TM,MCStreamer & Streamer)28 explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer) 29 : AsmPrinter(TM, Streamer) { 30 Subtarget = &TM.getSubtarget<X86Subtarget>(); 31 } 32 getPassName()33 virtual const char *getPassName() const LLVM_OVERRIDE { 34 return "X86 Assembly / Object Emitter"; 35 } 36 getSubtarget()37 const X86Subtarget &getSubtarget() const { return *Subtarget; } 38 39 virtual void EmitStartOfAsmFile(Module &M) LLVM_OVERRIDE; 40 41 virtual void EmitEndOfAsmFile(Module &M) LLVM_OVERRIDE; 42 43 virtual void EmitInstruction(const MachineInstr *MI) LLVM_OVERRIDE; 44 45 void printSymbolOperand(const MachineOperand &MO, raw_ostream &O); 46 47 // These methods are used by the tablegen'erated instruction printer. 48 void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O, 49 const char *Modifier = 0, unsigned AsmVariant = 0); 50 void printPCRelImm(const MachineInstr *MI, unsigned OpNo, raw_ostream &O); 51 52 bool printAsmMRegister(const MachineOperand &MO, char Mode, raw_ostream &O); 53 virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo, 54 unsigned AsmVariant, const char *ExtraCode, 55 raw_ostream &OS) LLVM_OVERRIDE; 56 virtual bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo, 57 unsigned AsmVariant, const char *ExtraCode, 58 raw_ostream &OS) LLVM_OVERRIDE; 59 60 void printMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O, 61 const char *Modifier=NULL); 62 void printLeaMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O, 63 const char *Modifier=NULL); 64 65 void printIntelMemReference(const MachineInstr *MI, unsigned Op, 66 raw_ostream &O, const char *Modifier=NULL, 67 unsigned AsmVariant = 1); 68 69 virtual bool runOnMachineFunction(MachineFunction &F) LLVM_OVERRIDE; 70 71 void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS); 72 73 virtual MachineLocation 74 getDebugValueLocation(const MachineInstr *MI) const LLVM_OVERRIDE; 75 }; 76 77 } // end namespace llvm 78 79 #endif 80