62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
//===- lib/ReaderWriter/ELF/Hexagon/HexagonLinkingContext.h ---------------===//
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//
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// The LLVM Linker
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLD_READER_WRITER_ELF_HEXAGON_HEXAGON_LINKING_CONTEXT_H
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#define LLD_READER_WRITER_ELF_HEXAGON_HEXAGON_LINKING_CONTEXT_H
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#include "OutputELFWriter.h"
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#include "lld/ReaderWriter/ELFLinkingContext.h"
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#include "llvm/Object/ELF.h"
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#include "llvm/Support/ELF.h"
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namespace lld {
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namespace elf {
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class HexagonLinkingContext final : public ELFLinkingContext {
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public:
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int getMachineType() const override { return llvm::ELF::EM_HEXAGON; }
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HexagonLinkingContext(llvm::Triple triple);
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void addPasses(PassManager &) override;
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void registerRelocationNames(Registry &r) override;
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bool isDynamicRelocation(const Reference &r) const override {
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if (r.kindNamespace() != Reference::KindNamespace::ELF)
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return false;
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switch (r.kindValue()) {
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case llvm::ELF::R_HEX_RELATIVE:
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case llvm::ELF::R_HEX_GLOB_DAT:
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return true;
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default:
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return false;
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}
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}
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bool isPLTRelocation(const Reference &r) const override {
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if (r.kindNamespace() != Reference::KindNamespace::ELF)
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return false;
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return r.kindValue() == llvm::ELF::R_HEX_JMP_SLOT;
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}
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/// \brief Hexagon has only one relative relocation
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/// a) for supporting relative relocs - R_HEX_RELATIVE
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bool isRelativeReloc(const Reference &r) const override {
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if (r.kindNamespace() != Reference::KindNamespace::ELF)
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return false;
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return r.kindValue() == llvm::ELF::R_HEX_RELATIVE;
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}
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};
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void setHexagonELFHeader(ELFHeader<ELF32LE> &elfHeader);
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} // elf
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} // lld
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#endif // LLD_READER_WRITER_ELF_HEXAGON_HEXAGON_LINKING_CONTEXT_H
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