diff options
Diffstat (limited to 'source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.h')
| -rw-r--r-- | source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.h | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.h b/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.h new file mode 100644 index 000000000000..8093c580ff97 --- /dev/null +++ b/source/Plugins/ObjectContainer/BSD-Archive/ObjectContainerBSDArchive.h @@ -0,0 +1,229 @@ +//===-- 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/Symbol/ObjectContainer.h" + +#include "lldb/Core/ArchSpec.h" +#include "lldb/Core/ConstString.h" +#include "lldb/Host/FileSpec.h" +#include "lldb/Core/UniqueCStringMap.h" +#include "lldb/Host/TimeValue.h" + +class ObjectContainerBSDArchive : + public lldb_private::ObjectContainer +{ +public: + + //------------------------------------------------------------------ + // 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 + //------------------------------------------------------------------ + 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); + + virtual + ~ObjectContainerBSDArchive(); + + virtual bool + ParseHeader (); + + virtual size_t + GetNumObjects () const + { + if (m_archive_sp) + return m_archive_sp->GetNumObjects(); + return 0; + } + virtual void + Dump (lldb_private::Stream *s) const; + + virtual lldb::ObjectFileSP + GetObjectFile (const lldb_private::FileSpec *file); + + //------------------------------------------------------------------ + // PluginInterface protocol + //------------------------------------------------------------------ + virtual lldb_private::ConstString + GetPluginName(); + + virtual uint32_t + GetPluginVersion(); + +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; + + static Map & + GetArchiveCache (); + + static lldb_private::Mutex & + GetArchiveCacheMutex (); + + static Archive::shared_ptr + FindCachedArchive (const lldb_private::FileSpec &file, + const lldb_private::ArchSpec &arch, + const lldb_private::TimeValue &mod_time, + lldb::offset_t file_offset); + + static Archive::shared_ptr + ParseAndCacheArchiveForFile (const lldb_private::FileSpec &file, + const lldb_private::ArchSpec &arch, + const lldb_private::TimeValue &mod_time, + lldb::offset_t file_offset, + lldb_private::DataExtractor &data); + + Archive (const lldb_private::ArchSpec &arch, + const lldb_private::TimeValue &mod_time, + lldb::offset_t file_offset, + lldb_private::DataExtractor &data); + + ~Archive (); + + 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 lldb_private::TimeValue &object_mod_time); + + lldb::offset_t + GetFileOffset () const + { + return m_file_offset; + } + + const lldb_private::TimeValue & + 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; + lldb_private::TimeValue 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_ |