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
20 /// MCInstPrinter - This is an instance of a target assembly language printer
21 /// that converts an MCInst to valid target assembly syntax.
24 /// CommentStream - a stream that comments can be emitted to if desired.
25 /// Each comment must end with a newline. This will be null if verbose
26 /// assembly emission is disable.
27 raw_ostream *CommentStream;
29 const MCRegisterInfo &MRI;
31 /// The current set of available features.
32 unsigned AvailableFeatures;
34 /// Utility function for printing annotations.
35 void printAnnotation(raw_ostream &OS, StringRef Annot);
37 MCInstPrinter(const MCAsmInfo &mai, const MCRegisterInfo &mri)
38 : CommentStream(0), MAI(mai), MRI(mri), AvailableFeatures(0) {}
40 virtual ~MCInstPrinter();
42 /// setCommentStream - Specify a stream to emit comments to.
43 void setCommentStream(raw_ostream &OS) { CommentStream = &OS; }
45 /// printInst - Print the specified MCInst to the specified raw_ostream.
47 virtual void printInst(const MCInst *MI, raw_ostream &OS,
50 /// getOpcodeName - Return the name of the specified opcode enum (e.g.
51 /// "MOV32ri") or empty if we can't resolve it.
52 virtual StringRef getOpcodeName(unsigned Opcode) const;
54 /// printRegName - Print the assembler register name.
55 virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
57 unsigned getAvailableFeatures() const { return AvailableFeatures; }
58 void setAvailableFeatures(unsigned Value) { AvailableFeatures = Value; }