xref: /freebsd/contrib/llvm-project/llvm/lib/Target/CSKY/MCTargetDesc/CSKYELFObjectWriter.cpp (revision 924226fba12cc9a228c73b956e1b7fa24c60b055)
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 }
46