diff options
Diffstat (limited to 'lldb/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp')
| -rw-r--r-- | lldb/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp | 249 |
1 files changed, 110 insertions, 139 deletions
diff --git a/lldb/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp b/lldb/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp index 9b32484be87..4934a80c09e 100644 --- a/lldb/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp +++ b/lldb/source/Plugins/SymbolVendor/ELF/SymbolVendorELF.cpp @@ -27,48 +27,33 @@ using namespace lldb_private; //---------------------------------------------------------------------- // SymbolVendorELF constructor //---------------------------------------------------------------------- -SymbolVendorELF::SymbolVendorELF(const lldb::ModuleSP &module_sp) : - SymbolVendor (module_sp) -{ -} +SymbolVendorELF::SymbolVendorELF(const lldb::ModuleSP &module_sp) + : SymbolVendor(module_sp) {} //---------------------------------------------------------------------- // Destructor //---------------------------------------------------------------------- -SymbolVendorELF::~SymbolVendorELF() -{ -} +SymbolVendorELF::~SymbolVendorELF() {} -void -SymbolVendorELF::Initialize() -{ - PluginManager::RegisterPlugin (GetPluginNameStatic(), - GetPluginDescriptionStatic(), - CreateInstance); +void SymbolVendorELF::Initialize() { + PluginManager::RegisterPlugin(GetPluginNameStatic(), + GetPluginDescriptionStatic(), CreateInstance); } -void -SymbolVendorELF::Terminate() -{ - PluginManager::UnregisterPlugin (CreateInstance); +void SymbolVendorELF::Terminate() { + PluginManager::UnregisterPlugin(CreateInstance); } - -lldb_private::ConstString -SymbolVendorELF::GetPluginNameStatic() -{ - static ConstString g_name("ELF"); - return g_name; +lldb_private::ConstString SymbolVendorELF::GetPluginNameStatic() { + static ConstString g_name("ELF"); + return g_name; } -const char * -SymbolVendorELF::GetPluginDescriptionStatic() -{ - return "Symbol vendor for ELF that looks for dSYM files that match executables."; +const char *SymbolVendorELF::GetPluginDescriptionStatic() { + return "Symbol vendor for ELF that looks for dSYM files that match " + "executables."; } - - //---------------------------------------------------------------------- // CreateInstance // @@ -76,122 +61,108 @@ SymbolVendorELF::GetPluginDescriptionStatic() // vendors to allow for complex debug information file setups, and to // also allow for finding separate debug information files. //---------------------------------------------------------------------- -SymbolVendor* -SymbolVendorELF::CreateInstance (const lldb::ModuleSP &module_sp, lldb_private::Stream *feedback_strm) -{ - if (!module_sp) - return NULL; - - ObjectFile *obj_file = module_sp->GetObjectFile(); - if (!obj_file) - return NULL; - - static ConstString obj_file_elf("elf"); - ConstString obj_name = obj_file->GetPluginName(); - if (obj_name != obj_file_elf) - return NULL; - - lldb_private::UUID uuid; - if (!obj_file->GetUUID (&uuid)) - return NULL; - - // Get the .gnu_debuglink file (if specified). - FileSpecList file_spec_list = obj_file->GetDebugSymbolFilePaths(); - - // If the module specified a filespec, use it first. - FileSpec debug_symbol_fspec (module_sp->GetSymbolFileFileSpec()); - if (debug_symbol_fspec) - file_spec_list.Insert (0, debug_symbol_fspec); - - // If we have no debug symbol files, then nothing to do. - if (file_spec_list.IsEmpty()) - return NULL; - - Timer scoped_timer (LLVM_PRETTY_FUNCTION, - "SymbolVendorELF::CreateInstance (module = %s)", - module_sp->GetFileSpec().GetPath().c_str()); - - for (size_t idx = 0; idx < file_spec_list.GetSize(); ++idx) - { - ModuleSpec module_spec; - const FileSpec fspec = file_spec_list.GetFileSpecAtIndex (idx); - - module_spec.GetFileSpec() = obj_file->GetFileSpec(); - module_spec.GetFileSpec().ResolvePath(); - module_spec.GetSymbolFileSpec() = fspec; - module_spec.GetUUID() = uuid; - FileSpec dsym_fspec = Symbols::LocateExecutableSymbolFile (module_spec); - if (dsym_fspec) - { - DataBufferSP dsym_file_data_sp; - lldb::offset_t dsym_file_data_offset = 0; - ObjectFileSP dsym_objfile_sp = ObjectFile::FindPlugin(module_sp, &dsym_fspec, 0, dsym_fspec.GetByteSize(), dsym_file_data_sp, dsym_file_data_offset); - if (dsym_objfile_sp) - { - // This objfile is for debugging purposes. Sadly, ObjectFileELF won't be able - // to figure this out consistently as the symbol file may not have stripped the - // code sections, etc. - dsym_objfile_sp->SetType (ObjectFile::eTypeDebugInfo); - - SymbolVendorELF* symbol_vendor = new SymbolVendorELF(module_sp); - if (symbol_vendor) - { - // Get the module unified section list and add our debug sections to that. - SectionList *module_section_list = module_sp->GetSectionList(); - SectionList *objfile_section_list = dsym_objfile_sp->GetSectionList(); - - static const SectionType g_sections[] = - { - eSectionTypeDWARFDebugAbbrev, - eSectionTypeDWARFDebugAddr, - eSectionTypeDWARFDebugAranges, - eSectionTypeDWARFDebugFrame, - eSectionTypeDWARFDebugInfo, - eSectionTypeDWARFDebugLine, - eSectionTypeDWARFDebugLoc, - eSectionTypeDWARFDebugMacInfo, - eSectionTypeDWARFDebugPubNames, - eSectionTypeDWARFDebugPubTypes, - eSectionTypeDWARFDebugRanges, - eSectionTypeDWARFDebugStr, - eSectionTypeDWARFDebugStrOffsets, - eSectionTypeELFSymbolTable, - }; - for (size_t idx = 0; idx < sizeof(g_sections) / sizeof(g_sections[0]); ++idx) - { - SectionType section_type = g_sections[idx]; - SectionSP section_sp (objfile_section_list->FindSectionByType (section_type, true)); - if (section_sp) - { - SectionSP module_section_sp (module_section_list->FindSectionByType (section_type, true)); - if (module_section_sp) - module_section_list->ReplaceSection (module_section_sp->GetID(), section_sp); - else - module_section_list->AddSection (section_sp); - } - } - - symbol_vendor->AddSymbolFileRepresentation (dsym_objfile_sp); - return symbol_vendor; - } +SymbolVendor * +SymbolVendorELF::CreateInstance(const lldb::ModuleSP &module_sp, + lldb_private::Stream *feedback_strm) { + if (!module_sp) + return NULL; + + ObjectFile *obj_file = module_sp->GetObjectFile(); + if (!obj_file) + return NULL; + + static ConstString obj_file_elf("elf"); + ConstString obj_name = obj_file->GetPluginName(); + if (obj_name != obj_file_elf) + return NULL; + + lldb_private::UUID uuid; + if (!obj_file->GetUUID(&uuid)) + return NULL; + + // Get the .gnu_debuglink file (if specified). + FileSpecList file_spec_list = obj_file->GetDebugSymbolFilePaths(); + + // If the module specified a filespec, use it first. + FileSpec debug_symbol_fspec(module_sp->GetSymbolFileFileSpec()); + if (debug_symbol_fspec) + file_spec_list.Insert(0, debug_symbol_fspec); + + // If we have no debug symbol files, then nothing to do. + if (file_spec_list.IsEmpty()) + return NULL; + + Timer scoped_timer(LLVM_PRETTY_FUNCTION, + "SymbolVendorELF::CreateInstance (module = %s)", + module_sp->GetFileSpec().GetPath().c_str()); + + for (size_t idx = 0; idx < file_spec_list.GetSize(); ++idx) { + ModuleSpec module_spec; + const FileSpec fspec = file_spec_list.GetFileSpecAtIndex(idx); + + module_spec.GetFileSpec() = obj_file->GetFileSpec(); + module_spec.GetFileSpec().ResolvePath(); + module_spec.GetSymbolFileSpec() = fspec; + module_spec.GetUUID() = uuid; + FileSpec dsym_fspec = Symbols::LocateExecutableSymbolFile(module_spec); + if (dsym_fspec) { + DataBufferSP dsym_file_data_sp; + lldb::offset_t dsym_file_data_offset = 0; + ObjectFileSP dsym_objfile_sp = ObjectFile::FindPlugin( + module_sp, &dsym_fspec, 0, dsym_fspec.GetByteSize(), + dsym_file_data_sp, dsym_file_data_offset); + if (dsym_objfile_sp) { + // This objfile is for debugging purposes. Sadly, ObjectFileELF won't be + // able + // to figure this out consistently as the symbol file may not have + // stripped the + // code sections, etc. + dsym_objfile_sp->SetType(ObjectFile::eTypeDebugInfo); + + SymbolVendorELF *symbol_vendor = new SymbolVendorELF(module_sp); + if (symbol_vendor) { + // Get the module unified section list and add our debug sections to + // that. + SectionList *module_section_list = module_sp->GetSectionList(); + SectionList *objfile_section_list = dsym_objfile_sp->GetSectionList(); + + static const SectionType g_sections[] = { + eSectionTypeDWARFDebugAbbrev, eSectionTypeDWARFDebugAddr, + eSectionTypeDWARFDebugAranges, eSectionTypeDWARFDebugFrame, + eSectionTypeDWARFDebugInfo, eSectionTypeDWARFDebugLine, + eSectionTypeDWARFDebugLoc, eSectionTypeDWARFDebugMacInfo, + eSectionTypeDWARFDebugPubNames, eSectionTypeDWARFDebugPubTypes, + eSectionTypeDWARFDebugRanges, eSectionTypeDWARFDebugStr, + eSectionTypeDWARFDebugStrOffsets, eSectionTypeELFSymbolTable, + }; + for (size_t idx = 0; idx < sizeof(g_sections) / sizeof(g_sections[0]); + ++idx) { + SectionType section_type = g_sections[idx]; + SectionSP section_sp( + objfile_section_list->FindSectionByType(section_type, true)); + if (section_sp) { + SectionSP module_section_sp( + module_section_list->FindSectionByType(section_type, true)); + if (module_section_sp) + module_section_list->ReplaceSection(module_section_sp->GetID(), + section_sp); + else + module_section_list->AddSection(section_sp); } + } + + symbol_vendor->AddSymbolFileRepresentation(dsym_objfile_sp); + return symbol_vendor; } + } } - return NULL; + } + return NULL; } //------------------------------------------------------------------ // PluginInterface protocol //------------------------------------------------------------------ -ConstString -SymbolVendorELF::GetPluginName() -{ - return GetPluginNameStatic(); -} - -uint32_t -SymbolVendorELF::GetPluginVersion() -{ - return 1; -} +ConstString SymbolVendorELF::GetPluginName() { return GetPluginNameStatic(); } +uint32_t SymbolVendorELF::GetPluginVersion() { return 1; } |
