| //===-- HexagonMCCodeEmitter.h - Hexagon Target Descriptions ----*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// \brief Definition for classes that emit Hexagon machine code from MCInsts |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef HEXAGONMCCODEEMITTER_H |
| #define HEXAGONMCCODEEMITTER_H |
| |
| #include "llvm/MC/MCCodeEmitter.h" |
| #include "llvm/MC/MCExpr.h" |
| #include "llvm/MC/MCInst.h" |
| #include "llvm/MC/MCInstrInfo.h" |
| #include "llvm/MC/MCRegisterInfo.h" |
| #include "llvm/MC/MCSubtargetInfo.h" |
| #include "llvm/Support/raw_ostream.h" |
| |
| namespace llvm { |
| |
| class HexagonMCCodeEmitter : public MCCodeEmitter { |
| MCContext &MCT; |
| MCInstrInfo const &MCII; |
| std::unique_ptr<unsigned> Addend; |
| std::unique_ptr<bool> Extended; |
| std::unique_ptr<MCInst const *> CurrentBundle; |
| |
| // helper routine for getMachineOpValue() |
| unsigned getExprOpValue(const MCInst &MI, const MCOperand &MO, |
| const MCExpr *ME, SmallVectorImpl<MCFixup> &Fixups, |
| const MCSubtargetInfo &STI) const; |
| |
| public: |
| HexagonMCCodeEmitter(MCInstrInfo const &aMII, MCContext &aMCT); |
| |
| // Return parse bits for instruction `MCI' inside bundle `MCB' |
| uint32_t parseBits(size_t Instruction, size_t Last, MCInst const &MCB, |
| MCInst const &MCI) const; |
| |
| void encodeInstruction(MCInst const &MI, raw_ostream &OS, |
| SmallVectorImpl<MCFixup> &Fixups, |
| MCSubtargetInfo const &STI) const override; |
| |
| void EncodeSingleInstruction(const MCInst &MI, raw_ostream &OS, |
| SmallVectorImpl<MCFixup> &Fixups, |
| const MCSubtargetInfo &STI, |
| uint32_t Parse, size_t Index) const; |
| |
| // \brief TableGen'erated function for getting the |
| // binary encoding for an instruction. |
| uint64_t getBinaryCodeForInstr(MCInst const &MI, |
| SmallVectorImpl<MCFixup> &Fixups, |
| MCSubtargetInfo const &STI) const; |
| |
| /// \brief Return binary encoding of operand. |
| unsigned getMachineOpValue(MCInst const &MI, MCOperand const &MO, |
| SmallVectorImpl<MCFixup> &Fixups, |
| MCSubtargetInfo const &STI) const; |
| }; // class HexagonMCCodeEmitter |
| |
| } // namespace llvm |
| |
| #endif /* HEXAGONMCCODEEMITTER_H */ |