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
21namespace llvm {
22
23class MCStreamer;
24
25class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter {
26  const X86Subtarget *Subtarget;
27 public:
28  explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
29    : AsmPrinter(TM, Streamer) {
30    Subtarget = &TM.getSubtarget<X86Subtarget>();
31  }
32
33  virtual const char *getPassName() const LLVM_OVERRIDE {
34    return "X86 Assembly / Object Emitter";
35  }
36
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
72} // end namespace llvm
73
74#endif
75