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//===- lib/ReaderWriter/ELF/DynamicFile.h ---------------------------------===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLD_READER_WRITER_ELF_DYNAMIC_FILE_H
#define LLD_READER_WRITER_ELF_DYNAMIC_FILE_H
#include "Atoms.h"
#include "lld/Core/SharedLibraryFile.h"
#include <unordered_map>
namespace lld {
class ELFLinkingContext;
namespace elf {
template <class ELFT> class DynamicFile : public SharedLibraryFile {
public:
DynamicFile(std::unique_ptr<MemoryBuffer> mb, ELFLinkingContext &ctx);
static std::error_code isCompatible(const MemoryBuffer &mb,
ELFLinkingContext &ctx);
const SharedLibraryAtom *exports(StringRef name,
bool dataSymbolOnly) const override;
StringRef getDSOName() const override;
static bool canParse(file_magic magic);
protected:
std::error_code doParse() override;
private:
mutable llvm::BumpPtrAllocator _alloc;
std::unique_ptr<llvm::object::ELFFile<ELFT>> _objFile;
/// \brief DT_SONAME
StringRef _soname;
struct SymAtomPair {
const typename llvm::object::ELFFile<ELFT>::Elf_Sym *_symbol = nullptr;
const SharedLibraryAtom *_atom = nullptr;
};
std::unique_ptr<MemoryBuffer> _mb;
ELFLinkingContext &_ctx;
bool _useShlibUndefines;
mutable std::unordered_map<StringRef, SymAtomPair> _nameToSym;
};
} // end namespace elf
} // end namespace lld
#endif
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