//===-- MipsMCCodeEmitter.h - Convert Mips Code to Machine Code -----------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file defines the MipsMCCodeEmitter class. // //===----------------------------------------------------------------------===// // #ifndef MIPS_MC_CODE_EMITTER_H #define MIPS_MC_CODE_EMITTER_H #include "llvm/MC/MCCodeEmitter.h" #include "llvm/Support/DataTypes.h" using namespace llvm; namespace llvm { class MCContext; class MCExpr; class MCInst; class MCInstrInfo; class MCFixup; class MCOperand; class MCSubtargetInfo; class raw_ostream; class MipsMCCodeEmitter : public MCCodeEmitter { MipsMCCodeEmitter(const MipsMCCodeEmitter &) LLVM_DELETED_FUNCTION; void operator=(const MipsMCCodeEmitter &) LLVM_DELETED_FUNCTION; const MCInstrInfo &MCII; MCContext &Ctx; bool IsLittleEndian; bool isMicroMips(const MCSubtargetInfo &STI) const; public: MipsMCCodeEmitter(const MCInstrInfo &mcii, MCContext &Ctx_, bool IsLittle) : MCII(mcii), Ctx(Ctx_), IsLittleEndian(IsLittle) {} ~MipsMCCodeEmitter() {} void EmitByte(unsigned char C, raw_ostream &OS) const; void EmitInstruction(uint64_t Val, unsigned Size, const MCSubtargetInfo &STI, raw_ostream &OS) const; void EncodeInstruction(const MCInst &MI, raw_ostream &OS, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const override; // getBinaryCodeForInstr - TableGen'erated function for getting the // binary encoding for an instruction. uint64_t getBinaryCodeForInstr(const MCInst &MI, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; // getBranchJumpOpValue - Return binary encoding of the jump // target operand. If the machine operand requires relocation, // record the relocation and return zero. unsigned getJumpTargetOpValue(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; // getBranchJumpOpValueMM - Return binary encoding of the microMIPS jump // target operand. If the machine operand requires relocation, // record the relocation and return zero. unsigned getJumpTargetOpValueMM(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; // getBranchTargetOpValue - Return binary encoding of the branch // target operand. If the machine operand requires relocation, // record the relocation and return zero. unsigned getBranchTargetOpValue(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; // getBranchTargetOpValue - Return binary encoding of the microMIPS branch // target operand. If the machine operand requires relocation, // record the relocation and return zero. unsigned getBranchTargetOpValueMM(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; // getBranchTarget21OpValue - Return binary encoding of the branch // offset operand. If the machine operand requires relocation, // record the relocation and return zero. unsigned getBranchTarget21OpValue(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; // getBranchTarget26OpValue - Return binary encoding of the branch // offset operand. If the machine operand requires relocation, // record the relocation and return zero. unsigned getBranchTarget26OpValue(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; // getJumpOffset16OpValue - Return binary encoding of the jump // offset operand. If the machine operand requires relocation, // record the relocation and return zero. unsigned getJumpOffset16OpValue(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; // getMachineOpValue - Return binary encoding of operand. If the machin // operand requires relocation, record the relocation and return zero. unsigned getMachineOpValue(const MCInst &MI, const MCOperand &MO, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; unsigned getMSAMemEncoding(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; unsigned getMemEncoding(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; unsigned getMemEncodingMMImm12(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; unsigned getSizeExtEncoding(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; unsigned getSizeInsEncoding(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; // getLSAImmEncoding - Return binary encoding of LSA immediate. unsigned getLSAImmEncoding(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; unsigned getSimm19Lsl2Encoding(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; unsigned getSimm18Lsl3Encoding(const MCInst &MI, unsigned OpNo, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; unsigned getExprOpValue(const MCExpr *Expr, SmallVectorImpl<MCFixup> &Fixups, const MCSubtargetInfo &STI) const; }; // class MipsMCCodeEmitter } // namespace llvm. #endif