X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FMC%2FMCInstPrinter.h;h=dce3a0690b3194cde72f88bc02f4465d643cd45c;hb=765aab84d619c67a9a44d97b78c696d3d9bd4fb9;hp=1c04564ebc575d50c5c43f0b8b1481297420a882;hpb=65b0b297db16252835ab4d78f33578baa3ace28a;p=oota-llvm.git diff --git a/include/llvm/MC/MCInstPrinter.h b/include/llvm/MC/MCInstPrinter.h index 1c04564ebc5..dce3a0690b3 100644 --- a/include/llvm/MC/MCInstPrinter.h +++ b/include/llvm/MC/MCInstPrinter.h @@ -1,4 +1,4 @@ -//===-- MCInstPrinter.h - Convert an MCInst to target assembly syntax -----===// +//===- MCInstPrinter.h - MCInst to target assembly syntax -------*- C++ -*-===// // // The LLVM Compiler Infrastructure // @@ -10,24 +10,101 @@ #ifndef LLVM_MC_MCINSTPRINTER_H #define LLVM_MC_MCINSTPRINTER_H +#include "llvm/Support/DataTypes.h" +#include "llvm/Support/Format.h" + namespace llvm { class MCInst; class raw_ostream; - +class MCAsmInfo; +class MCInstrInfo; +class MCRegisterInfo; +class StringRef; + +namespace HexStyle { + enum Style { + C, ///< 0xff + Asm ///< 0ffh + }; +} + /// MCInstPrinter - This is an instance of a target assembly language printer /// that converts an MCInst to valid target assembly syntax. class MCInstPrinter { - raw_ostream &O; +protected: + /// 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 MCInstrInfo &MII; + const MCRegisterInfo &MRI; + + /// The current set of available features. + uint64_t AvailableFeatures; + + /// True if we are printing marked up assembly. + bool UseMarkup; + + /// True if we are printing immediates as hex. + bool PrintImmHex; + + /// Which style to use for printing hexadecimal values. + HexStyle::Style PrintHexStyle; + + /// Utility function for printing annotations. + void printAnnotation(raw_ostream &OS, StringRef Annot); public: - MCInstPrinter(raw_ostream &o) : O(o) {} - + MCInstPrinter(const MCAsmInfo &mai, const MCInstrInfo &mii, + const MCRegisterInfo &mri) + : CommentStream(nullptr), MAI(mai), MII(mii), MRI(mri), + AvailableFeatures(0), UseMarkup(0), PrintImmHex(0), + PrintHexStyle(HexStyle::C) {} + 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. + StringRef getOpcodeName(unsigned Opcode) const; + + /// printRegName - Print the assembler register name. + virtual void printRegName(raw_ostream &OS, unsigned RegNo) const; + + uint64_t getAvailableFeatures() const { return AvailableFeatures; } + void setAvailableFeatures(uint64_t Value) { AvailableFeatures = Value; } + + bool getUseMarkup() const { return UseMarkup; } + void setUseMarkup(bool Value) { UseMarkup = Value; } + + /// Utility functions to make adding mark ups simpler. + StringRef markup(StringRef s) const; + StringRef markup(StringRef a, StringRef b) const; + + bool getPrintImmHex() const { return PrintImmHex; } + void setPrintImmHex(bool Value) { PrintImmHex = Value; } + + HexStyle::Style getPrintHexStyleHex() const { return PrintHexStyle; } + void setPrintImmHex(HexStyle::Style Value) { PrintHexStyle = Value; } + + /// Utility function to print immediates in decimal or hex. + format_object formatImm(int64_t Value) const { + return PrintImmHex ? formatHex(Value) : formatDec(Value); + } + + /// Utility functions to print decimal/hexadecimal values. + format_object formatDec(int64_t Value) const; + format_object formatHex(int64_t Value) const; + format_object formatHex(uint64_t Value) const; }; - + } // namespace llvm #endif