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