llvm/lib/Target/SystemZ/MCTargetDesc/SystemZInstPrinter.h

   1 //==- SystemZInstPrinter.h - Convert SystemZ MCInst to assembly --*- C++ -*-==//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This class prints a SystemZ MCInst to a .s file.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_LIB_TARGET_SYSTEMZ_MCTARGETDESC_SYSTEMZINSTPRINTER_H
  14 #define LLVM_LIB_TARGET_SYSTEMZ_MCTARGETDESC_SYSTEMZINSTPRINTER_H
  15
  16 #include "SystemZMCAsmInfo.h"
  17 #include "llvm/MC/MCInstPrinter.h"
  18 #include <cstdint>
  19
  20 namespace llvm {
  21
  22 class MCOperand;
  23
  24 class SystemZInstPrinter : public MCInstPrinter {
  25 public:
  26   SystemZInstPrinter(const MCAsmInfo &MAI, const MCInstrInfo &MII,
  27                      const MCRegisterInfo &MRI)
  28     : MCInstPrinter(MAI, MII, MRI) {}
  29
  30   // Automatically generated by tblgen.
  31   std::pair<const char *, uint64_t> getMnemonic(const MCInst *MI) override;
  32   void printInstruction(const MCInst *MI, uint64_t Address, raw_ostream &O);
  33   static const char *getRegisterName(unsigned RegNo);
  34
  35   // Print an address with the given base, displacement and index.
  36   static void printAddress(const MCAsmInfo *MAI, unsigned Base, int64_t Disp,
  37                            unsigned Index, raw_ostream &O);
  38
  39   // Print the given operand.
  40   static void printOperand(const MCOperand &MO, const MCAsmInfo *MAI,
  41                            raw_ostream &O);
  42
  43   static void printFormattedRegName(const MCAsmInfo *MAI, unsigned RegNo,
  44                                     raw_ostream &O);
  45
  46   // Override MCInstPrinter.
  47   inline void printRegName(raw_ostream &O, unsigned RegNo) const override {
  48     printFormattedRegName(&MAI, RegNo, O);
  49   }
  50
  51   void printInst(const MCInst *MI, uint64_t Address, StringRef Annot,
  52                  const MCSubtargetInfo &STI, raw_ostream &O) override;
  53
  54 private:
  55   // Print various types of operand.
  56   void printOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  57   void printOperand(const MCInst *MI, uint64_t /*Address*/, unsigned OpNum,
  58                     raw_ostream &O) {
  59     printOperand(MI, OpNum, O);
  60   }
  61   void printBDAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  62   void printBDXAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  63   void printBDLAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  64   void printBDRAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  65   void printBDVAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  66   void printU1ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  67   void printU2ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  68   void printU3ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  69   void printU4ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  70   void printU6ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  71   void printS8ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  72   void printU8ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  73   void printU12ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  74   void printS16ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  75   void printU16ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  76   void printS32ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  77   void printU32ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  78   void printU48ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  79   void printPCRelOperand(const MCInst *MI, int OpNum, raw_ostream &O);
  80   void printPCRelOperand(const MCInst *MI, uint64_t /*Address*/, int OpNum,
  81                          raw_ostream &O) {
  82     printPCRelOperand(MI, OpNum, O);
  83   }
  84   void printPCRelTLSOperand(const MCInst *MI, uint64_t Address, int OpNum,
  85                             raw_ostream &O);
  86
  87   // Print the mnemonic for a condition-code mask ("ne", "lh", etc.)
  88   // This forms part of the instruction name rather than the operand list.
  89   void printCond4Operand(const MCInst *MI, int OpNum, raw_ostream &O);
  90 };
  91
  92 } // end namespace llvm
  93
  94 #endif // LLVM_LIB_TARGET_SYSTEMZ_MCTARGETDESC_SYSTEMZINSTPRINTER_H