xref: /freebsd-src/contrib/llvm-project/llvm/lib/Target/CSKY/MCTargetDesc/CSKYAsmBackend.h (revision 0fca6ea1d4eea4c934cfff25ac9ee8ad6fe95583)
1e8d8bef9SDimitry Andric //===-- CSKYAsmBackend.h - CSKY Assembler Backend -------------------------===//
2e8d8bef9SDimitry Andric //
3e8d8bef9SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4e8d8bef9SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5e8d8bef9SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6e8d8bef9SDimitry Andric //
7e8d8bef9SDimitry Andric //===----------------------------------------------------------------------===//
8e8d8bef9SDimitry Andric 
9e8d8bef9SDimitry Andric #ifndef LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYASMBACKEND_H
10e8d8bef9SDimitry Andric #define LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYASMBACKEND_H
11e8d8bef9SDimitry Andric 
12fe6060f1SDimitry Andric #include "MCTargetDesc/CSKYFixupKinds.h"
13e8d8bef9SDimitry Andric #include "llvm/MC/MCAsmBackend.h"
1481ad6265SDimitry Andric #include "llvm/MC/MCSubtargetInfo.h"
15e8d8bef9SDimitry Andric #include "llvm/MC/MCTargetOptions.h"
16e8d8bef9SDimitry Andric 
17e8d8bef9SDimitry Andric namespace llvm {
18e8d8bef9SDimitry Andric 
19e8d8bef9SDimitry Andric class CSKYAsmBackend : public MCAsmBackend {
20e8d8bef9SDimitry Andric 
21e8d8bef9SDimitry Andric public:
22e8d8bef9SDimitry Andric   CSKYAsmBackend(const MCSubtargetInfo &STI, const MCTargetOptions &OP)
235f757f3fSDimitry Andric       : MCAsmBackend(llvm::endianness::little) {}
24e8d8bef9SDimitry Andric 
25fe6060f1SDimitry Andric   unsigned int getNumFixupKinds() const override {
26fe6060f1SDimitry Andric     return CSKY::NumTargetFixupKinds;
27fe6060f1SDimitry Andric   }
28fe6060f1SDimitry Andric 
29e8d8bef9SDimitry Andric   void applyFixup(const MCAssembler &Asm, const MCFixup &Fixup,
30e8d8bef9SDimitry Andric                   const MCValue &Target, MutableArrayRef<char> Data,
31e8d8bef9SDimitry Andric                   uint64_t Value, bool IsResolved,
32e8d8bef9SDimitry Andric                   const MCSubtargetInfo *STI) const override;
33fe6060f1SDimitry Andric 
34fe6060f1SDimitry Andric   const MCFixupKindInfo &getFixupKindInfo(MCFixupKind Kind) const override;
35fe6060f1SDimitry Andric 
36*0fca6ea1SDimitry Andric   bool fixupNeedsRelaxation(const MCFixup &Fixup,
37*0fca6ea1SDimitry Andric                             uint64_t Value) const override;
38fe6060f1SDimitry Andric 
39e8d8bef9SDimitry Andric   void relaxInstruction(MCInst &Inst,
40e8d8bef9SDimitry Andric                         const MCSubtargetInfo &STI) const override;
41fe6060f1SDimitry Andric 
4281ad6265SDimitry Andric   bool mayNeedRelaxation(const MCInst &Inst,
4381ad6265SDimitry Andric                          const MCSubtargetInfo &STI) const override;
4481ad6265SDimitry Andric 
45*0fca6ea1SDimitry Andric   bool fixupNeedsRelaxationAdvanced(const MCAssembler &Asm,
46*0fca6ea1SDimitry Andric                                     const MCFixup &Fixup, bool Resolved,
4781ad6265SDimitry Andric                                     uint64_t Value,
4881ad6265SDimitry Andric                                     const MCRelaxableFragment *DF,
4981ad6265SDimitry Andric                                     const bool WasForced) const override;
5081ad6265SDimitry Andric 
51349cc55cSDimitry Andric   bool writeNopData(raw_ostream &OS, uint64_t Count,
52349cc55cSDimitry Andric                     const MCSubtargetInfo *STI) const override;
53fe6060f1SDimitry Andric 
5481ad6265SDimitry Andric   bool shouldForceRelocation(const MCAssembler &Asm, const MCFixup &Fixup,
555f757f3fSDimitry Andric                              const MCValue &Target,
565f757f3fSDimitry Andric                              const MCSubtargetInfo *STI) override;
5781ad6265SDimitry Andric 
58e8d8bef9SDimitry Andric   std::unique_ptr<MCObjectTargetWriter>
59e8d8bef9SDimitry Andric   createObjectTargetWriter() const override;
60e8d8bef9SDimitry Andric };
61e8d8bef9SDimitry Andric } // namespace llvm
62e8d8bef9SDimitry Andric 
63e8d8bef9SDimitry Andric #endif // LLVM_LIB_TARGET_CSKY_MCTARGETDESC_CSKYASMBACKEND_H
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