forked from OSchip/llvm-project
60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
//===- lib/ReaderWriter/ELF/DynamicFile.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_DYNAMIC_FILE_H
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#define LLD_READER_WRITER_ELF_DYNAMIC_FILE_H
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#include "Atoms.h"
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#include "lld/Core/SharedLibraryFile.h"
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#include <unordered_map>
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namespace lld {
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class ELFLinkingContext;
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namespace elf {
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template <class ELFT> class DynamicFile : public SharedLibraryFile {
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public:
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DynamicFile(std::unique_ptr<MemoryBuffer> mb, ELFLinkingContext &ctx);
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static std::error_code isCompatible(MemoryBufferRef mb,
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ELFLinkingContext &ctx);
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const SharedLibraryAtom *exports(StringRef name,
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bool dataSymbolOnly) const override;
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StringRef getDSOName() const override;
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static bool canParse(file_magic magic);
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protected:
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std::error_code doParse() override;
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private:
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mutable llvm::BumpPtrAllocator _alloc;
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std::unique_ptr<llvm::object::ELFFile<ELFT>> _objFile;
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/// \brief DT_SONAME
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StringRef _soname;
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struct SymAtomPair {
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const typename llvm::object::ELFFile<ELFT>::Elf_Sym *_symbol = nullptr;
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const SharedLibraryAtom *_atom = nullptr;
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};
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std::unique_ptr<MemoryBuffer> _mb;
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ELFLinkingContext &_ctx;
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bool _useShlibUndefines;
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mutable std::unordered_map<StringRef, SymAtomPair> _nameToSym;
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};
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} // end namespace elf
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} // end namespace lld
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#endif
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