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//===-- AVRAsmBackend.h - AVR Asm Backend --------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// \file The AVR assembly backend implementation.
//
//===----------------------------------------------------------------------===//
//
#ifndef LLVM_AVR_ASM_BACKEND_H
#define LLVM_AVR_ASM_BACKEND_H
#include "MCTargetDesc/AVRFixupKinds.h"
#include "llvm/MC/MCAsmBackend.h"
#include "llvm/TargetParser/Triple.h"
namespace llvm {
class MCAssembler;
class MCContext;
struct MCFixupKindInfo;
/// Utilities for manipulating generated AVR machine code.
class AVRAsmBackend : public MCAsmBackend {
public:
AVRAsmBackend(Triple::OSType OSType)
: MCAsmBackend(llvm::endianness::little), OSType(OSType) {}
void adjustFixupValue(const MCFixup &Fixup, const MCValue &Target,
uint64_t &Value, MCContext *Ctx = nullptr) const;
std::unique_ptr<MCObjectTargetWriter>
createObjectTargetWriter() const override;
void applyFixup(const MCFragment &, const MCFixup &, const MCValue &Target,
MutableArrayRef<char> Data, uint64_t Value,
bool IsResolved) override;
std::optional<MCFixupKind> getFixupKind(StringRef Name) const override;
MCFixupKindInfo getFixupKindInfo(MCFixupKind Kind) const override;
bool writeNopData(raw_ostream &OS, uint64_t Count,
const MCSubtargetInfo *STI) const override;
bool forceRelocation(const MCFragment &F, const MCFixup &Fixup,
const MCValue &Target);
private:
Triple::OSType OSType;
};
} // end namespace llvm
#endif // LLVM_AVR_ASM_BACKEND_H
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