diff options
Diffstat (limited to 'source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h')
-rw-r--r-- | source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h | 396 |
1 files changed, 173 insertions, 223 deletions
diff --git a/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h b/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h index 251a0865e782..cac176fe2ca6 100644 --- a/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h +++ b/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h @@ -14,242 +14,192 @@ // C++ Includes // Other libraries and framework includes // Project includes -#include "lldb/Utility/SafeMachO.h" #include "lldb/Core/Address.h" #include "lldb/Core/FileSpecList.h" #include "lldb/Core/RangeMap.h" #include "lldb/Host/FileSpec.h" #include "lldb/Symbol/ObjectFile.h" +#include "lldb/Utility/SafeMachO.h" //---------------------------------------------------------------------- // This class needs to be hidden as eventually belongs in a plugin that // will export the ObjectFile protocol //---------------------------------------------------------------------- -class ObjectFileMachO : - public lldb_private::ObjectFile -{ +class ObjectFileMachO : public lldb_private::ObjectFile { public: - ObjectFileMachO(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); - - ObjectFileMachO(const lldb::ModuleSP &module_sp, - lldb::DataBufferSP& data_sp, - const lldb::ProcessSP &process_sp, - lldb::addr_t header_addr); - - ~ObjectFileMachO() override = default; - - //------------------------------------------------------------------ - // Static Functions - //------------------------------------------------------------------ - static void - Initialize(); - - static void - Terminate(); - - static lldb_private::ConstString - GetPluginNameStatic(); - - static const char * - GetPluginDescriptionStatic(); - - static lldb_private::ObjectFile * - CreateInstance (const lldb::ModuleSP &module_sp, - lldb::DataBufferSP& data_sp, - lldb::offset_t data_offset, - const lldb_private::FileSpec* file, - lldb::offset_t file_offset, - lldb::offset_t length); - - static lldb_private::ObjectFile * - CreateMemoryInstance (const lldb::ModuleSP &module_sp, - lldb::DataBufferSP& data_sp, - const lldb::ProcessSP &process_sp, - lldb::addr_t header_addr); - - 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 - SaveCore (const lldb::ProcessSP &process_sp, - const lldb_private::FileSpec &outfile, - lldb_private::Error &error); - - static bool - MagicBytesMatch (lldb::DataBufferSP& data_sp, - lldb::addr_t offset, - lldb::addr_t length); - - //------------------------------------------------------------------ - // Member Functions - //------------------------------------------------------------------ - bool - ParseHeader() override; - - bool - SetLoadAddress(lldb_private::Target &target, - lldb::addr_t value, - bool value_is_offset) override; - - lldb::ByteOrder - GetByteOrder() const override; - - bool - IsExecutable() const override; - - uint32_t - GetAddressByteSize() const override; - - lldb::AddressClass - GetAddressClass(lldb::addr_t file_addr) override; - - lldb_private::Symtab * - GetSymtab() override; - - bool - IsStripped() override; - - void - CreateSections(lldb_private::SectionList &unified_section_list) override; - - void - Dump(lldb_private::Stream *s) override; - - bool - GetArchitecture(lldb_private::ArchSpec &arch) override; - - bool - GetUUID(lldb_private::UUID* uuid) override; - - uint32_t - GetDependentModules(lldb_private::FileSpecList& files) override; - - lldb_private::FileSpecList - GetReExportedLibraries() override - { - return m_reexported_dylibs; - } - - lldb_private::Address - GetEntryPointAddress() override; - - lldb_private::Address - GetHeaderAddress() override; - - uint32_t - GetNumThreadContexts() override; - - lldb::RegisterContextSP - GetThreadContextAtIndex(uint32_t idx, lldb_private::Thread &thread) override; - - ObjectFile::Type - CalculateType() override; - - ObjectFile::Strata - CalculateStrata() override; - - uint32_t - GetVersion(uint32_t *versions, uint32_t num_versions) override; - - uint32_t - GetMinimumOSVersion(uint32_t *versions, uint32_t num_versions) override; - - uint32_t - GetSDKVersion(uint32_t *versions, uint32_t num_versions) override; - - bool - GetIsDynamicLinkEditor() override; - - static bool - ParseHeader (lldb_private::DataExtractor &data, - lldb::offset_t *data_offset_ptr, - llvm::MachO::mach_header &header); - - bool - AllowAssemblyEmulationUnwindPlans () override; - - //------------------------------------------------------------------ - // PluginInterface protocol - //------------------------------------------------------------------ - lldb_private::ConstString - GetPluginName() override; - - uint32_t - GetPluginVersion() override; + ObjectFileMachO(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); + + ObjectFileMachO(const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp, + const lldb::ProcessSP &process_sp, lldb::addr_t header_addr); + + ~ObjectFileMachO() override = default; + + //------------------------------------------------------------------ + // Static Functions + //------------------------------------------------------------------ + static void Initialize(); + + static void Terminate(); + + static lldb_private::ConstString GetPluginNameStatic(); + + static const char *GetPluginDescriptionStatic(); + + static lldb_private::ObjectFile * + CreateInstance(const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp, + lldb::offset_t data_offset, const lldb_private::FileSpec *file, + lldb::offset_t file_offset, lldb::offset_t length); + + static lldb_private::ObjectFile *CreateMemoryInstance( + const lldb::ModuleSP &module_sp, lldb::DataBufferSP &data_sp, + const lldb::ProcessSP &process_sp, lldb::addr_t header_addr); + + 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 SaveCore(const lldb::ProcessSP &process_sp, + const lldb_private::FileSpec &outfile, + lldb_private::Error &error); + + static bool MagicBytesMatch(lldb::DataBufferSP &data_sp, lldb::addr_t offset, + lldb::addr_t length); + + //------------------------------------------------------------------ + // Member Functions + //------------------------------------------------------------------ + bool ParseHeader() override; + + bool SetLoadAddress(lldb_private::Target &target, lldb::addr_t value, + bool value_is_offset) override; + + lldb::ByteOrder GetByteOrder() const override; + + bool IsExecutable() const override; + + uint32_t GetAddressByteSize() const override; + + lldb::AddressClass GetAddressClass(lldb::addr_t file_addr) override; + + lldb_private::Symtab *GetSymtab() override; + + bool IsStripped() override; + + void CreateSections(lldb_private::SectionList &unified_section_list) override; + + void Dump(lldb_private::Stream *s) override; + + bool GetArchitecture(lldb_private::ArchSpec &arch) override; + + bool GetUUID(lldb_private::UUID *uuid) override; + + uint32_t GetDependentModules(lldb_private::FileSpecList &files) override; + + lldb_private::FileSpecList GetReExportedLibraries() override { + return m_reexported_dylibs; + } + + lldb_private::Address GetEntryPointAddress() override; + + lldb_private::Address GetHeaderAddress() override; + + uint32_t GetNumThreadContexts() override; + + lldb::RegisterContextSP + GetThreadContextAtIndex(uint32_t idx, lldb_private::Thread &thread) override; + + ObjectFile::Type CalculateType() override; + + ObjectFile::Strata CalculateStrata() override; + + uint32_t GetVersion(uint32_t *versions, uint32_t num_versions) override; + + uint32_t GetMinimumOSVersion(uint32_t *versions, + uint32_t num_versions) override; + + uint32_t GetSDKVersion(uint32_t *versions, uint32_t num_versions) override; + + bool GetIsDynamicLinkEditor() override; + + static bool ParseHeader(lldb_private::DataExtractor &data, + lldb::offset_t *data_offset_ptr, + llvm::MachO::mach_header &header); + + bool AllowAssemblyEmulationUnwindPlans() override; + + //------------------------------------------------------------------ + // PluginInterface protocol + //------------------------------------------------------------------ + lldb_private::ConstString GetPluginName() override; + + uint32_t GetPluginVersion() override; protected: - static bool - GetUUID (const llvm::MachO::mach_header &header, - const lldb_private::DataExtractor &data, - lldb::offset_t lc_offset, // Offset to the first load command - lldb_private::UUID& uuid); - - static bool - GetArchitecture (const llvm::MachO::mach_header &header, - const lldb_private::DataExtractor &data, - lldb::offset_t lc_offset, - lldb_private::ArchSpec &arch); - - // Intended for same-host arm device debugging where lldb needs to - // detect libraries in the shared cache and augment the nlist entries - // with an on-disk dyld_shared_cache file. The process will record - // the shared cache UUID so the on-disk cache can be matched or rejected - // correctly. - lldb_private::UUID - GetProcessSharedCacheUUID (lldb_private::Process *); - - // Intended for same-host arm device debugging where lldb will read - // shared cache libraries out of its own memory instead of the remote - // process' memory as an optimization. If lldb's shared cache UUID - // does not match the process' shared cache UUID, this optimization - // should not be used. - lldb_private::UUID - GetLLDBSharedCacheUUID (); - - lldb_private::Section * - GetMachHeaderSection(); - - lldb::addr_t - CalculateSectionLoadAddressForMemoryImage(lldb::addr_t mach_header_load_address, - const lldb_private::Section *mach_header_section, - const lldb_private::Section *section); - - lldb_private::UUID - GetSharedCacheUUID (lldb_private::FileSpec dyld_shared_cache, const lldb::ByteOrder byte_order, const uint32_t addr_byte_size); - - size_t - ParseSymtab(); - - llvm::MachO::mach_header m_header; - static const lldb_private::ConstString &GetSegmentNameTEXT(); - static const lldb_private::ConstString &GetSegmentNameDATA(); - static const lldb_private::ConstString &GetSegmentNameDATA_DIRTY(); - static const lldb_private::ConstString &GetSegmentNameDATA_CONST(); - static const lldb_private::ConstString &GetSegmentNameOBJC(); - static const lldb_private::ConstString &GetSegmentNameLINKEDIT(); - static const lldb_private::ConstString &GetSectionNameEHFrame(); - - llvm::MachO::dysymtab_command m_dysymtab; - std::vector<llvm::MachO::segment_command_64> m_mach_segments; - std::vector<llvm::MachO::section_64> m_mach_sections; - std::vector<uint32_t> m_min_os_versions; - std::vector<uint32_t> m_sdk_versions; - typedef lldb_private::RangeVector<uint32_t, uint32_t> FileRangeArray; - lldb_private::Address m_entry_point_address; - FileRangeArray m_thread_context_offsets; - bool m_thread_context_offsets_valid; - lldb_private::FileSpecList m_reexported_dylibs; - bool m_allow_assembly_emulation_unwind_plans; + static bool + GetUUID(const llvm::MachO::mach_header &header, + const lldb_private::DataExtractor &data, + lldb::offset_t lc_offset, // Offset to the first load command + lldb_private::UUID &uuid); + + static bool GetArchitecture(const llvm::MachO::mach_header &header, + const lldb_private::DataExtractor &data, + lldb::offset_t lc_offset, + lldb_private::ArchSpec &arch); + + // Intended for same-host arm device debugging where lldb needs to + // detect libraries in the shared cache and augment the nlist entries + // with an on-disk dyld_shared_cache file. The process will record + // the shared cache UUID so the on-disk cache can be matched or rejected + // correctly. + lldb_private::UUID GetProcessSharedCacheUUID(lldb_private::Process *); + + // Intended for same-host arm device debugging where lldb will read + // shared cache libraries out of its own memory instead of the remote + // process' memory as an optimization. If lldb's shared cache UUID + // does not match the process' shared cache UUID, this optimization + // should not be used. + lldb_private::UUID GetLLDBSharedCacheUUID(); + + lldb_private::Section *GetMachHeaderSection(); + + lldb::addr_t CalculateSectionLoadAddressForMemoryImage( + lldb::addr_t mach_header_load_address, + const lldb_private::Section *mach_header_section, + const lldb_private::Section *section); + + lldb_private::UUID + GetSharedCacheUUID(lldb_private::FileSpec dyld_shared_cache, + const lldb::ByteOrder byte_order, + const uint32_t addr_byte_size); + + size_t ParseSymtab(); + + llvm::MachO::mach_header m_header; + static const lldb_private::ConstString &GetSegmentNameTEXT(); + static const lldb_private::ConstString &GetSegmentNameDATA(); + static const lldb_private::ConstString &GetSegmentNameDATA_DIRTY(); + static const lldb_private::ConstString &GetSegmentNameDATA_CONST(); + static const lldb_private::ConstString &GetSegmentNameOBJC(); + static const lldb_private::ConstString &GetSegmentNameLINKEDIT(); + static const lldb_private::ConstString &GetSectionNameEHFrame(); + + llvm::MachO::dysymtab_command m_dysymtab; + std::vector<llvm::MachO::segment_command_64> m_mach_segments; + std::vector<llvm::MachO::section_64> m_mach_sections; + std::vector<uint32_t> m_min_os_versions; + std::vector<uint32_t> m_sdk_versions; + typedef lldb_private::RangeVector<uint32_t, uint32_t> FileRangeArray; + lldb_private::Address m_entry_point_address; + FileRangeArray m_thread_context_offsets; + bool m_thread_context_offsets_valid; + lldb_private::FileSpecList m_reexported_dylibs; + bool m_allow_assembly_emulation_unwind_plans; }; #endif // liblldb_ObjectFileMachO_h_ |