diff options
Diffstat (limited to 'contrib/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonELFObjectWriter.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonELFObjectWriter.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonELFObjectWriter.cpp b/contrib/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonELFObjectWriter.cpp new file mode 100644 index 0000000..56c9dc7 --- /dev/null +++ b/contrib/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonELFObjectWriter.cpp @@ -0,0 +1,62 @@ +//===-- HexagonELFObjectWriter.cpp - Hexagon Target Descriptions ----------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "Hexagon.h" +#include "llvm/MC/MCAssembler.h" +#include "llvm/MC/MCELFObjectWriter.h" +#include "llvm/Support/Debug.h" + +#define DEBUG_TYPE "hexagon-elf-writer" + +using namespace llvm; +using namespace Hexagon; + +namespace { + +class HexagonELFObjectWriter : public MCELFObjectTargetWriter { +private: + StringRef CPU; + +public: + HexagonELFObjectWriter(uint8_t OSABI, StringRef C); + + virtual unsigned GetRelocType(MCValue const &Target, MCFixup const &Fixup, + bool IsPCRel) const override; +}; +} + +HexagonELFObjectWriter::HexagonELFObjectWriter(uint8_t OSABI, StringRef C) + : MCELFObjectTargetWriter(/*Is64bit*/ false, OSABI, ELF::EM_HEXAGON, + /*HasRelocationAddend*/ true), + CPU(C) {} + +unsigned HexagonELFObjectWriter::GetRelocType(MCValue const &/*Target*/, + MCFixup const &Fixup, + bool IsPCRel) const { + unsigned Type = (unsigned)ELF::R_HEX_NONE; + llvm::MCFixupKind Kind = Fixup.getKind(); + + switch (Kind) { + default: + DEBUG(dbgs() << "unrecognized relocation " << Fixup.getKind() << "\n"); + llvm_unreachable("Unimplemented Fixup kind!"); + break; + case FK_Data_4: + Type = (IsPCRel) ? ELF::R_HEX_32_PCREL : ELF::R_HEX_32; + break; + } + return Type; +} + +MCObjectWriter *llvm::createHexagonELFObjectWriter(raw_ostream &OS, + uint8_t OSABI, + StringRef CPU) { + MCELFObjectTargetWriter *MOTW = new HexagonELFObjectWriter(OSABI, CPU); + return createELFObjectWriter(MOTW, OS, /*IsLittleEndian*/ true); +}
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