1 //===-- MCInstPrinter.h - Convert an MCInst to target assembly syntax -----===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_MC_MCINSTPRINTER_H
11 #define LLVM_MC_MCINSTPRINTER_H
21 /// MCInstPrinter - This is an instance of a target assembly language printer
22 /// that converts an MCInst to valid target assembly syntax.
25 /// CommentStream - a stream that comments can be emitted to if desired.
26 /// Each comment must end with a newline. This will be null if verbose
27 /// assembly emission is disable.
28 raw_ostream *CommentStream;
30 const MCInstrInfo &MII;
31 const MCRegisterInfo &MRI;
33 /// The current set of available features.
34 unsigned AvailableFeatures;
36 /// Utility function for printing annotations.
37 void printAnnotation(raw_ostream &OS, StringRef Annot);
39 MCInstPrinter(const MCAsmInfo &mai, const MCInstrInfo &mii,
40 const MCRegisterInfo &mri)
41 : CommentStream(0), MAI(mai), MII(mii), MRI(mri), AvailableFeatures(0) {}
43 virtual ~MCInstPrinter();
45 /// setCommentStream - Specify a stream to emit comments to.
46 void setCommentStream(raw_ostream &OS) { CommentStream = &OS; }
48 /// printInst - Print the specified MCInst to the specified raw_ostream.
50 virtual void printInst(const MCInst *MI, raw_ostream &OS,
53 /// getOpcodeName - Return the name of the specified opcode enum (e.g.
54 /// "MOV32ri") or empty if we can't resolve it.
55 StringRef getOpcodeName(unsigned Opcode) const;
57 /// printRegName - Print the assembler register name.
58 virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
60 unsigned getAvailableFeatures() const { return AvailableFeatures; }
61 void setAvailableFeatures(unsigned Value) { AvailableFeatures = Value; }