llvm/lib/Target/CSKY/MCTargetDesc/CSKYELFObjectWriter.cpp

   1 //===-- CSKYELFObjectWriter.cpp - CSKY ELF Writer -------------------------===//
   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 #include "CSKYMCTargetDesc.h"
  10 #include "llvm/MC/MCContext.h"
  11 #include "llvm/MC/MCELFObjectWriter.h"
  12 #include "llvm/MC/MCObjectWriter.h"
  13
  14 #define DEBUG_TYPE "csky-elf-object-writer"
  15
  16 using namespace llvm;
  17
  18 namespace {
  19
  20 class CSKYELFObjectWriter : public MCELFObjectTargetWriter {
  21 public:
  22   CSKYELFObjectWriter(uint8_t OSABI = 0)
  23       : MCELFObjectTargetWriter(false, OSABI, ELF::EM_CSKY, true){};
  24   ~CSKYELFObjectWriter() {}
  25
  26   unsigned getRelocType(MCContext &Ctx, const MCValue &Target,
  27                         const MCFixup &Fixup, bool IsPCRel) const override;
  28 };
  29
  30 } // namespace
  31
  32 unsigned CSKYELFObjectWriter::getRelocType(MCContext &Ctx,
  33                                            const MCValue &Target,
  34                                            const MCFixup &Fixup,
  35                                            bool IsPCRel) const {
  36   // Determine the type of the relocation.
  37   switch ((unsigned)Fixup.getKind()) {
  38   default:
  39     llvm_unreachable("invalid fixup kind!");
  40   }
  41 }
  42
  43 std::unique_ptr<MCObjectTargetWriter> llvm::createCSKYELFObjectWriter() {
  44   return std::make_unique<CSKYELFObjectWriter>();
  45 }