src/llvm/lib/Target/AArch64/InstPrinter/AArch64InstPrinter.h

   1 //===-- AArch64InstPrinter.h - Convert AArch64 MCInst to assembly syntax --===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This class prints an AArch64 MCInst to a .s file.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_LIB_TARGET_AARCH64_INSTPRINTER_AARCH64INSTPRINTER_H
  15 #define LLVM_LIB_TARGET_AARCH64_INSTPRINTER_AARCH64INSTPRINTER_H
  16
  17 #include "MCTargetDesc/AArch64MCTargetDesc.h"
  18 #include "llvm/ADT/StringRef.h"
  19 #include "llvm/MC/MCInstPrinter.h"
  20 #include "llvm/MC/MCSubtargetInfo.h"
  21
  22 namespace llvm {
  23
  24 class MCOperand;
  25
  26 class AArch64InstPrinter : public MCInstPrinter {
  27 public:
  28   AArch64InstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
  29                      const MCRegisterInfo &MRI, const MCSubtargetInfo &STI);
  30
  31   void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot) override;
  32   void printRegName(raw_ostream &OS, unsigned RegNo) const override;
  33
  34   // Autogenerated by tblgen.
  35   virtual void printInstruction(const MCInst *MI, raw_ostream &O);
  36   virtual bool printAliasInstr(const MCInst *MI, raw_ostream &O);
  37   virtual void printCustomAliasOperand(const MCInst *MI, unsigned OpIdx,
  38                                        unsigned PrintMethodIdx, raw_ostream &O);
  39   virtual StringRef getRegName(unsigned RegNo) const {
  40     return getRegisterName(RegNo);
  41   }
  42   static const char *getRegisterName(unsigned RegNo,
  43                                      unsigned AltIdx = AArch64::NoRegAltName);
  44
  45 protected:
  46   bool printSysAlias(const MCInst *MI, raw_ostream &O);
  47   // Operand printers
  48   void printOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
  49   void printHexImm(const MCInst *MI, unsigned OpNo, raw_ostream &O);
  50   void printPostIncOperand(const MCInst *MI, unsigned OpNo, unsigned Imm,
  51                            raw_ostream &O);
  52   template<int Amount>
  53   void printPostIncOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O) {
  54     printPostIncOperand(MI, OpNo, Amount, O);
  55   }
  56
  57   void printVRegOperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
  58   void printSysCROperand(const MCInst *MI, unsigned OpNo, raw_ostream &O);
  59   void printAddSubImm(const MCInst *MI, unsigned OpNum, raw_ostream &O);
  60   void printLogicalImm32(const MCInst *MI, unsigned OpNum, raw_ostream &O);
  61   void printLogicalImm64(const MCInst *MI, unsigned OpNum, raw_ostream &O);
  62   void printShifter(const MCInst *MI, unsigned OpNum, raw_ostream &O);
  63   void printShiftedRegister(const MCInst *MI, unsigned OpNum, raw_ostream &O);
  64   void printExtendedRegister(const MCInst *MI, unsigned OpNum, raw_ostream &O);
  65   void printArithExtend(const MCInst *MI, unsigned OpNum, raw_ostream &O);
  66
  67   void printMemExtend(const MCInst *MI, unsigned OpNum, raw_ostream &O,
  68                       char SrcRegKind, unsigned Width);
  69   template <char SrcRegKind, unsigned Width>
  70   void printMemExtend(const MCInst *MI, unsigned OpNum, raw_ostream &O) {
  71     printMemExtend(MI, OpNum, O, SrcRegKind, Width);
  72   }
  73
  74   void printCondCode(const MCInst *MI, unsigned OpNum, raw_ostream &O);
  75   void printInverseCondCode(const MCInst *MI, unsigned OpNum, raw_ostream &O);
  76   void printAlignedLabel(const MCInst *MI, unsigned OpNum, raw_ostream &O);
  77   void printUImm12Offset(const MCInst *MI, unsigned OpNum, unsigned Scale,
  78                          raw_ostream &O);
  79   void printAMIndexedWB(const MCInst *MI, unsigned OpNum, unsigned Scale,
  80                         raw_ostream &O);
  81
  82   template<int Scale>
  83   void printUImm12Offset(const MCInst *MI, unsigned OpNum, raw_ostream &O) {
  84     printUImm12Offset(MI, OpNum, Scale, O);
  85   }
  86
  87   template<int BitWidth>
  88   void printAMIndexedWB(const MCInst *MI, unsigned OpNum, raw_ostream &O) {
  89     printAMIndexedWB(MI, OpNum, BitWidth / 8, O);
  90   }
  91
  92   void printAMNoIndex(const MCInst *MI, unsigned OpNum, raw_ostream &O);
  93
  94   template<int Scale>
  95   void printImmScale(const MCInst *MI, unsigned OpNum, raw_ostream &O);
  96
  97   void printPrefetchOp(const MCInst *MI, unsigned OpNum, raw_ostream &O);
  98
  99   void printFPImmOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
 100
 101   void printVectorList(const MCInst *MI, unsigned OpNum, raw_ostream &O,
 102                        StringRef LayoutSuffix);
 103
 104   /// Print a list of vector registers where the type suffix is implicit
 105   /// (i.e. attached to the instruction rather than the registers).
 106   void printImplicitlyTypedVectorList(const MCInst *MI, unsigned OpNum,
 107                                       raw_ostream &O);
 108
 109   template <unsigned NumLanes, char LaneKind>
 110   void printTypedVectorList(const MCInst *MI, unsigned OpNum, raw_ostream &O);
 111
 112   void printVectorIndex(const MCInst *MI, unsigned OpNum, raw_ostream &O);
 113   void printAdrpLabel(const MCInst *MI, unsigned OpNum, raw_ostream &O);
 114   void printBarrierOption(const MCInst *MI, unsigned OpNum, raw_ostream &O);
 115   void printMSRSystemRegister(const MCInst *MI, unsigned OpNum, raw_ostream &O);
 116   void printMRSSystemRegister(const MCInst *MI, unsigned OpNum, raw_ostream &O);
 117   void printSystemPStateField(const MCInst *MI, unsigned OpNum, raw_ostream &O);
 118   void printSIMDType10Operand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
 119 };
 120
 121 class AArch64AppleInstPrinter : public AArch64InstPrinter {
 122 public:
 123   AArch64AppleInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
 124                         const MCRegisterInfo &MRI, const MCSubtargetInfo &STI);
 125
 126   void printInst(const MCInst *MI, raw_ostream &O, StringRef Annot) override;
 127
 128   void printInstruction(const MCInst *MI, raw_ostream &O) override;
 129   bool printAliasInstr(const MCInst *MI, raw_ostream &O) override;
 130   void printCustomAliasOperand(const MCInst *MI, unsigned OpIdx,
 131                                unsigned PrintMethodIdx,
 132                                raw_ostream &O) override;
 133   StringRef getRegName(unsigned RegNo) const override {
 134     return getRegisterName(RegNo);
 135   }
 136   static const char *getRegisterName(unsigned RegNo,
 137                                      unsigned AltIdx = AArch64::NoRegAltName);
 138 };
 139 }
 140
 141 #endif