llvm/lib/Target/CSKY/MCTargetDesc/CSKYAsmBackend.h

   1 //===-- CSKYAsmBackend.h - CSKY Assembler Backend -------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYASMBACKEND_H
  10 #define LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYASMBACKEND_H
  11
  12 #include "MCTargetDesc/CSKYFixupKinds.h"
  13 #include "llvm/MC/MCAsmBackend.h"
  14 #include "llvm/MC/MCTargetOptions.h"
  15
  16 namespace llvm {
  17
  18 class CSKYAsmBackend : public MCAsmBackend {
  19
  20 public:
  21   CSKYAsmBackend(const MCSubtargetInfo &STI, const MCTargetOptions &OP)
  22       : MCAsmBackend(support::little) {}
  23
  24   unsigned int getNumFixupKinds() const override {
  25     return CSKY::NumTargetFixupKinds;
  26   }
  27
  28   void applyFixup(const MCAssembler &Asm, const MCFixup &Fixup,
  29                   const MCValue &Target, MutableArrayRef<char> Data,
  30                   uint64_t Value, bool IsResolved,
  31                   const MCSubtargetInfo *STI) const override;
  32
  33   const MCFixupKindInfo &getFixupKindInfo(MCFixupKind Kind) const override;
  34
  35   bool fixupNeedsRelaxation(const MCFixup &Fixup, uint64_t Value,
  36                             const MCRelaxableFragment *DF,
  37                             const MCAsmLayout &Layout) const override;
  38
  39   void relaxInstruction(MCInst &Inst,
  40                         const MCSubtargetInfo &STI) const override;
  41
  42   bool writeNopData(raw_ostream &OS, uint64_t Count) const override;
  43
  44   std::unique_ptr<MCObjectTargetWriter>
  45   createObjectTargetWriter() const override;
  46 };
  47 } // namespace llvm
  48
  49 #endif // LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYASMBACKEND_H