| //===-- ObjectContainerBSDArchive.h -----------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef liblldb_ObjectContainerBSDArchive_h_ |
| #define liblldb_ObjectContainerBSDArchive_h_ |
| |
| #include "lldb/Core/UniqueCStringMap.h" |
| #include "lldb/Symbol/ObjectContainer.h" |
| #include "lldb/Utility/ArchSpec.h" |
| #include "lldb/Utility/ConstString.h" |
| #include "lldb/Utility/FileSpec.h" |
| |
| // Other libraries and framework includes |
| #include "llvm/Support/Chrono.h" |
| |
| // C Includes |
| // C++ Includes |
| #include <map> |
| #include <memory> |
| #include <mutex> |
| |
| class ObjectContainerBSDArchive : public lldb_private::ObjectContainer { |
| public: |
| ObjectContainerBSDArchive(const lldb::ModuleSP &module_sp, |
| lldb::DataBufferSP &data_sp, |
| lldb::offset_t data_offset, |
| const lldb_private::FileSpec *file, |
| lldb::offset_t offset, lldb::offset_t length); |
| |
| ~ObjectContainerBSDArchive() override; |
| |
| //------------------------------------------------------------------ |
| // Static Functions |
| //------------------------------------------------------------------ |
| static void Initialize(); |
| |
| static void Terminate(); |
| |
| static lldb_private::ConstString GetPluginNameStatic(); |
| |
| static const char *GetPluginDescriptionStatic(); |
| |
| static lldb_private::ObjectContainer * |
| CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp, |
| lldb::offset_t data_offset, const lldb_private::FileSpec *file, |
| lldb::offset_t offset, lldb::offset_t length); |
| |
| static size_t GetModuleSpecifications(const lldb_private::FileSpec &file, |
| lldb::DataBufferSP &data_sp, |
| lldb::offset_t data_offset, |
| lldb::offset_t file_offset, |
| lldb::offset_t length, |
| lldb_private::ModuleSpecList &specs); |
| |
| static bool MagicBytesMatch(const lldb_private::DataExtractor &data); |
| |
| //------------------------------------------------------------------ |
| // Member Functions |
| //------------------------------------------------------------------ |
| bool ParseHeader() override; |
| |
| size_t GetNumObjects() const override { |
| if (m_archive_sp) |
| return m_archive_sp->GetNumObjects(); |
| return 0; |
| } |
| |
| void Dump(lldb_private::Stream *s) const override; |
| |
| lldb::ObjectFileSP GetObjectFile(const lldb_private::FileSpec *file) override; |
| |
| //------------------------------------------------------------------ |
| // PluginInterface protocol |
| //------------------------------------------------------------------ |
| lldb_private::ConstString GetPluginName() override; |
| |
| uint32_t GetPluginVersion() override; |
| |
| protected: |
| struct Object { |
| Object(); |
| |
| void Clear(); |
| |
| lldb::offset_t Extract(const lldb_private::DataExtractor &data, |
| lldb::offset_t offset); |
| |
| lldb_private::ConstString ar_name; // name |
| uint32_t ar_date; // modification time |
| uint16_t ar_uid; // user id |
| uint16_t ar_gid; // group id |
| uint16_t ar_mode; // octal file permissions |
| uint32_t ar_size; // size in bytes |
| lldb::offset_t ar_file_offset; // file offset in bytes from the beginning of |
| // the file of the object data |
| lldb::offset_t ar_file_size; // length of the object data |
| |
| typedef std::vector<Object> collection; |
| typedef collection::iterator iterator; |
| typedef collection::const_iterator const_iterator; |
| }; |
| |
| class Archive { |
| public: |
| typedef std::shared_ptr<Archive> shared_ptr; |
| typedef std::multimap<lldb_private::FileSpec, shared_ptr> Map; |
| |
| Archive(const lldb_private::ArchSpec &arch, |
| const llvm::sys::TimePoint<> &mod_time, lldb::offset_t file_offset, |
| lldb_private::DataExtractor &data); |
| |
| ~Archive(); |
| |
| static Map &GetArchiveCache(); |
| |
| static std::recursive_mutex &GetArchiveCacheMutex(); |
| |
| static Archive::shared_ptr FindCachedArchive( |
| const lldb_private::FileSpec &file, const lldb_private::ArchSpec &arch, |
| const llvm::sys::TimePoint<> &mod_time, lldb::offset_t file_offset); |
| |
| static Archive::shared_ptr ParseAndCacheArchiveForFile( |
| const lldb_private::FileSpec &file, const lldb_private::ArchSpec &arch, |
| const llvm::sys::TimePoint<> &mod_time, lldb::offset_t file_offset, |
| lldb_private::DataExtractor &data); |
| |
| size_t GetNumObjects() const { return m_objects.size(); } |
| |
| const Object *GetObjectAtIndex(size_t idx) { |
| if (idx < m_objects.size()) |
| return &m_objects[idx]; |
| return NULL; |
| } |
| |
| size_t ParseObjects(); |
| |
| Object *FindObject(const lldb_private::ConstString &object_name, |
| const llvm::sys::TimePoint<> &object_mod_time); |
| |
| lldb::offset_t GetFileOffset() const { return m_file_offset; } |
| |
| const llvm::sys::TimePoint<> &GetModificationTime() { return m_time; } |
| |
| const lldb_private::ArchSpec &GetArchitecture() const { return m_arch; } |
| |
| void SetArchitecture(const lldb_private::ArchSpec &arch) { m_arch = arch; } |
| |
| bool HasNoExternalReferences() const; |
| |
| lldb_private::DataExtractor &GetData() { return m_data; } |
| |
| protected: |
| typedef lldb_private::UniqueCStringMap<uint32_t> ObjectNameToIndexMap; |
| //---------------------------------------------------------------------- |
| // Member Variables |
| //---------------------------------------------------------------------- |
| lldb_private::ArchSpec m_arch; |
| llvm::sys::TimePoint<> m_time; |
| lldb::offset_t m_file_offset; |
| Object::collection m_objects; |
| ObjectNameToIndexMap m_object_name_to_index_map; |
| lldb_private::DataExtractor m_data; ///< The data for this object container |
| ///so we don't lose data if the .a files |
| ///gets modified |
| }; |
| |
| void SetArchive(Archive::shared_ptr &archive_sp); |
| |
| Archive::shared_ptr m_archive_sp; |
| }; |
| |
| #endif // liblldb_ObjectContainerBSDArchive_h_ |