| //===- llvm/MC/MCCodeEmitter.h - Instruction Encoding -----------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_MC_MCCODEEMITTER_H |
| #define LLVM_MC_MCCODEEMITTER_H |
| |
| namespace llvm { |
| |
| class MCFixup; |
| class MCInst; |
| class MCSubtargetInfo; |
| class raw_ostream; |
| template<typename T> class SmallVectorImpl; |
| |
| /// MCCodeEmitter - Generic instruction encoding interface. |
| class MCCodeEmitter { |
| protected: // Can only create subclasses. |
| MCCodeEmitter(); |
| |
| public: |
| MCCodeEmitter(const MCCodeEmitter &) = delete; |
| MCCodeEmitter &operator=(const MCCodeEmitter &) = delete; |
| virtual ~MCCodeEmitter(); |
| |
| /// Lifetime management |
| virtual void reset() {} |
| |
| /// EncodeInstruction - Encode the given \p Inst to bytes on the output |
| /// stream \p OS. |
| virtual void encodeInstruction(const MCInst &Inst, raw_ostream &OS, |
| SmallVectorImpl<MCFixup> &Fixups, |
| const MCSubtargetInfo &STI) const = 0; |
| }; |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_MC_MCCODEEMITTER_H |