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,
37                            const MCOperand &DispMO, unsigned Index,
38                            raw_ostream &O);
39 
40   // Print the given operand.
41   static void printOperand(const MCOperand &MO, const MCAsmInfo *MAI,
42                            raw_ostream &O);
43 
44   static void printFormattedRegName(const MCAsmInfo *MAI, unsigned RegNo,
45                                     raw_ostream &O);
46 
47   // Override MCInstPrinter.
48   inline void printRegName(raw_ostream &O, unsigned RegNo) const override {
49     printFormattedRegName(&MAI, RegNo, O);
50   }
51 
52   void printInst(const MCInst *MI, uint64_t Address, StringRef Annot,
53                  const MCSubtargetInfo &STI, raw_ostream &O) override;
54 
55 private:
56   // Print various types of operand.
57   void printOperand(const MCInst *MI, int OpNum, raw_ostream &O);
58   void printOperand(const MCInst *MI, uint64_t /*Address*/, unsigned OpNum,
59                     raw_ostream &O) {
60     printOperand(MI, OpNum, O);
61   }
62   void printBDAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O);
63   void printBDXAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O);
64   void printBDLAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O);
65   void printBDRAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O);
66   void printBDVAddrOperand(const MCInst *MI, int OpNum, raw_ostream &O);
67   void printU1ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
68   void printU2ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
69   void printU3ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
70   void printU4ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
71   void printU6ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
72   void printS8ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
73   void printU8ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
74   void printU12ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
75   void printS16ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
76   void printU16ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
77   void printS32ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
78   void printU32ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
79   void printU48ImmOperand(const MCInst *MI, int OpNum, raw_ostream &O);
80   void printPCRelOperand(const MCInst *MI, int OpNum, raw_ostream &O);
81   void printPCRelOperand(const MCInst *MI, uint64_t /*Address*/, int OpNum,
82                          raw_ostream &O) {
83     printPCRelOperand(MI, OpNum, O);
84   }
85   void printPCRelTLSOperand(const MCInst *MI, uint64_t Address, int OpNum,
86                             raw_ostream &O);
87 
88   // Print the mnemonic for a condition-code mask ("ne", "lh", etc.)
89   // This forms part of the instruction name rather than the operand list.
90   void printCond4Operand(const MCInst *MI, int OpNum, raw_ostream &O);
91 };
92 
93 } // end namespace llvm
94 
95 #endif // LLVM_LIB_TARGET_SYSTEMZ_MCTARGETDESC_SYSTEMZINSTPRINTER_H
96