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62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
//===-- MCInstPrinter.h - Convert an MCInst to target assembly syntax -----===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCINSTPRINTER_H
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#define LLVM_MC_MCINSTPRINTER_H
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namespace llvm {
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class MCInst;
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class raw_ostream;
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class MCAsmInfo;
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class StringRef;
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/// MCInstPrinter - This is an instance of a target assembly language printer
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/// that converts an MCInst to valid target assembly syntax.
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class MCInstPrinter {
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protected:
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/// CommentStream - a stream that comments can be emitted to if desired.
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/// Each comment must end with a newline. This will be null if verbose
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/// assembly emission is disable.
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raw_ostream *CommentStream;
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const MCAsmInfo &MAI;
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/// The current set of available features.
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unsigned AvailableFeatures;
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/// Utility function for printing annotations.
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void printAnnotation(raw_ostream &OS, StringRef Annot);
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public:
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MCInstPrinter(const MCAsmInfo &mai)
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: CommentStream(0), MAI(mai), AvailableFeatures(0) {}
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virtual ~MCInstPrinter();
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/// setCommentStream - Specify a stream to emit comments to.
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void setCommentStream(raw_ostream &OS) { CommentStream = &OS; }
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/// printInst - Print the specified MCInst to the specified raw_ostream.
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///
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virtual void printInst(const MCInst *MI, raw_ostream &OS,
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StringRef Annot) = 0;
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/// getOpcodeName - Return the name of the specified opcode enum (e.g.
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/// "MOV32ri") or empty if we can't resolve it.
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virtual StringRef getOpcodeName(unsigned Opcode) const;
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/// printRegName - Print the assembler register name.
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virtual void printRegName(raw_ostream &OS, unsigned RegNo) const;
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unsigned getAvailableFeatures() const { return AvailableFeatures; }
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void setAvailableFeatures(unsigned Value) { AvailableFeatures = Value; }
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};
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} // namespace llvm
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#endif
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