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
95