| //===-- LoongArchAsmBackend.h - LoongArch Assembler Backend ---*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the LoongArchAsmBackend class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_LOONGARCH_MCTARGETDESC_LOONGARCHASMBACKEND_H |
| #define LLVM_LIB_TARGET_LOONGARCH_MCTARGETDESC_LOONGARCHASMBACKEND_H |
| |
| #include "MCTargetDesc/LoongArchBaseInfo.h" |
| #include "MCTargetDesc/LoongArchFixupKinds.h" |
| #include "MCTargetDesc/LoongArchMCTargetDesc.h" |
| #include "llvm/MC/MCAsmBackend.h" |
| #include "llvm/MC/MCFixupKindInfo.h" |
| #include "llvm/MC/MCSubtargetInfo.h" |
| |
| namespace llvm { |
| |
| class LoongArchAsmBackend : public MCAsmBackend { |
| const MCSubtargetInfo &STI; |
| uint8_t OSABI; |
| bool Is64Bit; |
| |
| public: |
| LoongArchAsmBackend(const MCSubtargetInfo &STI, uint8_t OSABI, bool Is64Bit) |
| : MCAsmBackend(support::little), STI(STI), OSABI(OSABI), |
| Is64Bit(Is64Bit) {} |
| ~LoongArchAsmBackend() override {} |
| |
| void applyFixup(const MCAssembler &Asm, const MCFixup &Fixup, |
| const MCValue &Target, MutableArrayRef<char> Data, |
| uint64_t Value, bool IsResolved, |
| const MCSubtargetInfo *STI) const override; |
| |
| bool shouldForceRelocation(const MCAssembler &Asm, const MCFixup &Fixup, |
| const MCValue &Target) override; |
| |
| bool fixupNeedsRelaxation(const MCFixup &Fixup, uint64_t Value, |
| const MCRelaxableFragment *DF, |
| const MCAsmLayout &Layout) const override { |
| return false; |
| } |
| |
| unsigned getNumFixupKinds() const override { |
| return LoongArch::NumTargetFixupKinds; |
| } |
| |
| std::optional<MCFixupKind> getFixupKind(StringRef Name) const override; |
| |
| const MCFixupKindInfo &getFixupKindInfo(MCFixupKind Kind) const override; |
| |
| void relaxInstruction(MCInst &Inst, |
| const MCSubtargetInfo &STI) const override {} |
| |
| bool writeNopData(raw_ostream &OS, uint64_t Count, |
| const MCSubtargetInfo *STI) const override; |
| |
| std::unique_ptr<MCObjectTargetWriter> |
| createObjectTargetWriter() const override; |
| }; |
| } // end namespace llvm |
| |
| #endif // LLVM_LIB_TARGET_LOONGARCH_MCTARGETDESC_LOONGARCHASMBACKEND_H |