X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FMC%2FMCInstPrinter.h;h=7e8563a195d0f2ed1c6af46964a2dcf22bae9aed;hb=43356a1a4506630777473b2090a65c7a54da94ee;hp=d20d8d2c8367e54999f9f9c979a94bde914efea3;hpb=14ccc9007a932a23201251ced4be4c898a62d6a5;p=oota-llvm.git diff --git a/include/llvm/MC/MCInstPrinter.h b/include/llvm/MC/MCInstPrinter.h index d20d8d2c836..7e8563a195d 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 // @@ -10,6 +10,7 @@ #ifndef LLVM_MC_MCINSTPRINTER_H #define LLVM_MC_MCINSTPRINTER_H +#include "llvm/Support/DataTypes.h" #include "llvm/Support/Format.h" namespace llvm { @@ -18,57 +19,62 @@ class raw_ostream; class MCAsmInfo; class MCInstrInfo; class MCRegisterInfo; +class MCSubtargetInfo; class StringRef; -/// MCInstPrinter - This is an instance of a target assembly language printer -/// that converts an MCInst to valid target assembly syntax. +namespace HexStyle { + enum Style { + C, ///< 0xff + Asm ///< 0ffh + }; +} + +/// \brief This is an instance of a target assembly language printer that +/// converts an MCInst to valid target assembly syntax. class MCInstPrinter { 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. + /// \brief 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. - unsigned 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(const MCAsmInfo &mai, const MCInstrInfo &mii, const MCRegisterInfo &mri) - : CommentStream(0), MAI(mai), MII(mii), MRI(mri), AvailableFeatures(0), - UseMarkup(0), PrintImmHex(0) {} + : CommentStream(nullptr), MAI(mai), MII(mii), MRI(mri), + UseMarkup(0), PrintImmHex(0), + PrintHexStyle(HexStyle::C) {} virtual ~MCInstPrinter(); - /// setCommentStream - Specify a stream to emit comments to. + /// \brief Specify a stream to emit comments to. void setCommentStream(raw_ostream &OS) { CommentStream = &OS; } - /// printInst - Print the specified MCInst to the specified raw_ostream. - /// + /// \brief Print the specified MCInst to the specified raw_ostream. virtual void printInst(const MCInst *MI, raw_ostream &OS, - StringRef Annot) = 0; + StringRef Annot, const MCSubtargetInfo &STI) = 0; - /// getOpcodeName - Return the name of the specified opcode enum (e.g. - /// "MOV32ri") or empty if we can't resolve it. + /// \brief 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. + /// \brief 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; } - bool getUseMarkup() const { return UseMarkup; } void setUseMarkup(bool Value) { UseMarkup = Value; } @@ -79,8 +85,18 @@ public: 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_object1 formatImm(const int64_t Value) const; + 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