CSKYELFObjectWriter.cpp

//===-- CSKYELFObjectWriter.cpp - CSKY ELF Writer -------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "CSKYMCTargetDesc.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCELFObjectWriter.h"
#include "llvm/MC/MCObjectWriter.h"

#define DEBUG_TYPE "csky-elf-object-writer"

using namespace llvm;

namespace {

class CSKYELFObjectWriter : public MCELFObjectTargetWriter {
public:
  CSKYELFObjectWriter(uint8_t OSABI = 0)
      : MCELFObjectTargetWriter(false, OSABI, ELF::EM_CSKY, true){};
  ~CSKYELFObjectWriter() {}

  unsigned getRelocType(MCContext &Ctx, const MCValue &Target,
                        const MCFixup &Fixup, bool IsPCRel) const override;
};

} // namespace

unsigned CSKYELFObjectWriter::getRelocType(MCContext &Ctx,
                                           const MCValue &Target,
                                           const MCFixup &Fixup,
                                           bool IsPCRel) const {
  // Determine the type of the relocation.
  switch ((unsigned)Fixup.getKind()) {
  default:
    llvm_unreachable("invalid fixup kind!");
  }
}

std::unique_ptr<MCObjectTargetWriter> llvm::createCSKYELFObjectWriter() {
  return std::make_unique<CSKYELFObjectWriter>();
}