class MCInst;
class raw_ostream;
class MCAsmInfo;
+class MCRegisterInfo;
+class StringRef;
-
/// MCInstPrinter - This is an instance of a target assembly language printer
/// that converts an MCInst to valid target assembly syntax.
class MCInstPrinter {
protected:
- raw_ostream &O;
+ /// CommentStream - a stream that comments can be emitted to if desired.
+ /// Each comment must end with a newline. This will be null if verbose
+ /// assembly emission is disable.
+ raw_ostream *CommentStream;
const MCAsmInfo &MAI;
+ const MCRegisterInfo &MRI;
+
+ /// The current set of available features.
+ unsigned AvailableFeatures;
+
+ /// Utility function for printing annotations.
+ void printAnnotation(raw_ostream &OS, StringRef Annot);
public:
- MCInstPrinter(raw_ostream &o, const MCAsmInfo &mai) : O(o), MAI(mai) {}
-
+ MCInstPrinter(const MCAsmInfo &mai, const MCRegisterInfo &mri)
+ : CommentStream(0), MAI(mai), MRI(mri), AvailableFeatures(0) {}
+
virtual ~MCInstPrinter();
-
- /// printInst - Print the specified MCInst to the current raw_ostream.
+
+ /// setCommentStream - Specify a stream to emit comments to.
+ void setCommentStream(raw_ostream &OS) { CommentStream = &OS; }
+
+ /// printInst - Print the specified MCInst to the specified raw_ostream.
///
- virtual void printInst(const MCInst *MI) = 0;
+ virtual void printInst(const MCInst *MI, raw_ostream &OS,
+ StringRef Annot) = 0;
+
+ /// getOpcodeName - Return the name of the specified opcode enum (e.g.
+ /// "MOV32ri") or empty if we can't resolve it.
+ virtual StringRef getOpcodeName(unsigned Opcode) const;
+
+ /// printRegName - Print the assembler register name.
+ virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
+
+ unsigned getAvailableFeatures() const { return AvailableFeatures; }
+ void setAvailableFeatures(unsigned Value) { AvailableFeatures = Value; }
};
-
+
} // namespace llvm
#endif