/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/tools/lld/include/lld/Core/SharedLibraryFile.h
Line | Count | Source |
1 | | //===- Core/SharedLibraryFile.h - Models shared libraries as Atoms --------===// |
2 | | // |
3 | | // The LLVM Linker |
4 | | // |
5 | | // This file is distributed under the University of Illinois Open Source |
6 | | // License. See LICENSE.TXT for details. |
7 | | // |
8 | | //===----------------------------------------------------------------------===// |
9 | | |
10 | | #ifndef LLD_CORE_SHARED_LIBRARY_FILE_H |
11 | | #define LLD_CORE_SHARED_LIBRARY_FILE_H |
12 | | |
13 | | #include "lld/Core/File.h" |
14 | | |
15 | | namespace lld { |
16 | | |
17 | | /// |
18 | | /// The SharedLibraryFile subclass of File is used to represent dynamic |
19 | | /// shared libraries being linked against. |
20 | | /// |
21 | | class SharedLibraryFile : public File { |
22 | | public: |
23 | 2.11k | static bool classof(const File *f) { |
24 | 2.11k | return f->kind() == kindSharedLibrary; |
25 | 2.11k | } |
26 | | |
27 | | /// Check if the shared library exports a symbol with the specified name. |
28 | | /// If so, return a SharedLibraryAtom which represents that exported |
29 | | /// symbol. Otherwise return nullptr. |
30 | | virtual OwningAtomPtr<SharedLibraryAtom> exports(StringRef name) const = 0; |
31 | | |
32 | | // Returns the install name. |
33 | | virtual StringRef getDSOName() const = 0; |
34 | | |
35 | 116 | const AtomRange<DefinedAtom> defined() const override { |
36 | 116 | return _definedAtoms; |
37 | 116 | } |
38 | | |
39 | 116 | const AtomRange<UndefinedAtom> undefined() const override { |
40 | 116 | return _undefinedAtoms; |
41 | 116 | } |
42 | | |
43 | 116 | const AtomRange<SharedLibraryAtom> sharedLibrary() const override { |
44 | 116 | return _sharedLibraryAtoms; |
45 | 116 | } |
46 | | |
47 | 116 | const AtomRange<AbsoluteAtom> absolute() const override { |
48 | 116 | return _absoluteAtoms; |
49 | 116 | } |
50 | | |
51 | 116 | void clearAtoms() override { |
52 | 116 | _definedAtoms.clear(); |
53 | 116 | _undefinedAtoms.clear(); |
54 | 116 | _sharedLibraryAtoms.clear(); |
55 | 116 | _absoluteAtoms.clear(); |
56 | 116 | } |
57 | | |
58 | | protected: |
59 | | /// only subclasses of SharedLibraryFile can be instantiated |
60 | 118 | explicit SharedLibraryFile(StringRef path) : File(path, kindSharedLibrary) {} |
61 | | |
62 | | AtomVector<DefinedAtom> _definedAtoms; |
63 | | AtomVector<UndefinedAtom> _undefinedAtoms; |
64 | | AtomVector<SharedLibraryAtom> _sharedLibraryAtoms; |
65 | | AtomVector<AbsoluteAtom> _absoluteAtoms; |
66 | | }; |
67 | | |
68 | | } // namespace lld |
69 | | |
70 | | #endif // LLD_CORE_SHARED_LIBRARY_FILE_H |