1 //===-- HexagonMCCodeEmitter.h - Hexagon Target Descriptions ----*- C++ -*-===//
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 /// \file
11 /// \brief Definition for classes that emit Hexagon machine code from MCInsts
12 ///
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef HEXAGONMCCODEEMITTER_H
16 #define HEXAGONMCCODEEMITTER_H
17 
18 #include "llvm/MC/MCCodeEmitter.h"
19 #include "llvm/MC/MCExpr.h"
20 #include "llvm/MC/MCInst.h"
21 #include "llvm/MC/MCInstrInfo.h"
22 #include "llvm/MC/MCRegisterInfo.h"
23 #include "llvm/MC/MCSubtargetInfo.h"
24 #include "llvm/Support/raw_ostream.h"
25 
26 namespace llvm {
27 
28 class HexagonMCCodeEmitter : public MCCodeEmitter {
29   MCContext &MCT;
30   MCInstrInfo const &MCII;
31 
32 public:
33   HexagonMCCodeEmitter(MCInstrInfo const &aMII, MCContext &aMCT);
34 
35   MCSubtargetInfo const &getSubtargetInfo() const;
36 
37   void EncodeInstruction(MCInst const &MI, raw_ostream &OS,
38                          SmallVectorImpl<MCFixup> &Fixups,
39                          MCSubtargetInfo const &STI) const override;
40 
41   // \brief TableGen'erated function for getting the
42   // binary encoding for an instruction.
43   uint64_t getBinaryCodeForInstr(MCInst const &MI,
44                                  SmallVectorImpl<MCFixup> &Fixups,
45                                  MCSubtargetInfo const &STI) const;
46 
47   /// \brief Return binary encoding of operand.
48   unsigned getMachineOpValue(MCInst const &MI, MCOperand const &MO,
49                              SmallVectorImpl<MCFixup> &Fixups,
50                              MCSubtargetInfo const &STI) const;
51 
52 private:
53   HexagonMCCodeEmitter(HexagonMCCodeEmitter const &) = delete;
54   void operator=(HexagonMCCodeEmitter const &) = delete;
55 }; // class HexagonMCCodeEmitter
56 
57 } // namespace llvm
58 
59 #endif /* HEXAGONMCCODEEMITTER_H */
60