| //===- Core/SharedLibraryFile.h - Models shared libraries as Atoms --------===// |
| // |
| // The LLVM Linker |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLD_CORE_SHARED_LIBRARY_FILE_H |
| #define LLD_CORE_SHARED_LIBRARY_FILE_H |
| |
| #include "lld/Core/File.h" |
| |
| namespace lld { |
| |
| /// |
| /// The SharedLibraryFile subclass of File is used to represent dynamic |
| /// shared libraries being linked against. |
| /// |
| class SharedLibraryFile : public File { |
| public: |
| static bool classof(const File *f) { |
| return f->kind() == kindSharedLibrary; |
| } |
| |
| /// Check if the shared library exports a symbol with the specified name. |
| /// If so, return a SharedLibraryAtom which represents that exported |
| /// symbol. Otherwise return nullptr. |
| virtual const SharedLibraryAtom *exports(StringRef name, |
| bool dataSymbolOnly) const = 0; |
| |
| // Returns DSO name. It's the soname (ELF), the install name (MachO) or |
| // the import name (Windows). |
| virtual StringRef getDSOName() const = 0; |
| |
| const AtomVector<DefinedAtom> &defined() const override { |
| return _definedAtoms; |
| } |
| |
| const AtomVector<UndefinedAtom> &undefined() const override { |
| return _undefinedAtoms; |
| } |
| |
| const AtomVector<SharedLibraryAtom> &sharedLibrary() const override { |
| return _sharedLibraryAtoms; |
| } |
| |
| const AtomVector<AbsoluteAtom> &absolute() const override { |
| return _absoluteAtoms; |
| } |
| |
| protected: |
| /// only subclasses of SharedLibraryFile can be instantiated |
| explicit SharedLibraryFile(StringRef path) : File(path, kindSharedLibrary) {} |
| |
| AtomVector<DefinedAtom> _definedAtoms; |
| AtomVector<UndefinedAtom> _undefinedAtoms; |
| AtomVector<SharedLibraryAtom> _sharedLibraryAtoms; |
| AtomVector<AbsoluteAtom> _absoluteAtoms; |
| }; |
| |
| } // namespace lld |
| |
| #endif // LLD_CORE_SHARED_LIBRARY_FILE_H |