diff options
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.cpp')
| -rw-r--r-- | contrib/llvm/tools/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.cpp | 2576 |
1 files changed, 1213 insertions, 1363 deletions
diff --git a/contrib/llvm/tools/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.cpp b/contrib/llvm/tools/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.cpp index ca81962..16bb578 100644 --- a/contrib/llvm/tools/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.cpp +++ b/contrib/llvm/tools/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARFDebugMap.cpp @@ -15,12 +15,13 @@ #include "DWARFDebugAranges.h" -#include "lldb/Core/RangeMap.h" #include "lldb/Core/Module.h" #include "lldb/Core/ModuleList.h" #include "lldb/Core/PluginManager.h" +#include "lldb/Core/RangeMap.h" #include "lldb/Core/RegularExpression.h" #include "lldb/Core/Section.h" +#include "lldb/Host/FileSystem.h" //#define DEBUG_OSO_DMAP // DO NOT CHECKIN WITH THIS NOT COMMENTED OUT #if defined(DEBUG_OSO_DMAP) @@ -34,6 +35,7 @@ #include "lldb/Symbol/SymbolVendor.h" #include "lldb/Symbol/TypeMap.h" #include "lldb/Symbol/VariableList.h" +#include "llvm/Support/ScopedPrinter.h" #include "LogChannelDWARF.h" #include "SymbolFileDWARF.h" @@ -41,1550 +43,1398 @@ using namespace lldb; using namespace lldb_private; -// Subclass lldb_private::Module so we can intercept the "Module::GetObjectFile()" -// (so we can fixup the object file sections) and also for "Module::GetSymbolVendor()" +// Subclass lldb_private::Module so we can intercept the +// "Module::GetObjectFile()" +// (so we can fixup the object file sections) and also for +// "Module::GetSymbolVendor()" // (so we can fixup the symbol file id. const SymbolFileDWARFDebugMap::FileRangeMap & -SymbolFileDWARFDebugMap::CompileUnitInfo::GetFileRangeMap(SymbolFileDWARFDebugMap *exe_symfile) -{ - if (file_range_map_valid) - return file_range_map; - - file_range_map_valid = true; - - Module *oso_module = exe_symfile->GetModuleByCompUnitInfo (this); - if (!oso_module) - return file_range_map; - - ObjectFile *oso_objfile = oso_module->GetObjectFile(); - if (!oso_objfile) - return file_range_map; - - Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_MAP)); - if (log) - { - ConstString object_name (oso_module->GetObjectName()); - log->Printf("%p: SymbolFileDWARFDebugMap::CompileUnitInfo::GetFileRangeMap ('%s')", - static_cast<void*>(this), - oso_module->GetSpecificationDescription().c_str()); - } - - std::vector<SymbolFileDWARFDebugMap::CompileUnitInfo *> cu_infos; - if (exe_symfile->GetCompUnitInfosForModule(oso_module, cu_infos)) - { - for (auto comp_unit_info : cu_infos) - { - Symtab *exe_symtab = exe_symfile->GetObjectFile()->GetSymtab(); - ModuleSP oso_module_sp (oso_objfile->GetModule()); - Symtab *oso_symtab = oso_objfile->GetSymtab(); - - ///const uint32_t fun_resolve_flags = SymbolContext::Module | eSymbolContextCompUnit | eSymbolContextFunction; - //SectionList *oso_sections = oso_objfile->Sections(); - // Now we need to make sections that map from zero based object - // file addresses to where things ended up in the main executable. - - assert (comp_unit_info->first_symbol_index != UINT32_MAX); - // End index is one past the last valid symbol index - const uint32_t oso_end_idx = comp_unit_info->last_symbol_index + 1; - for (uint32_t idx = comp_unit_info->first_symbol_index + 2; // Skip the N_SO and N_OSO - idx < oso_end_idx; - ++idx) - { - Symbol *exe_symbol = exe_symtab->SymbolAtIndex(idx); - if (exe_symbol) - { - if (exe_symbol->IsDebug() == false) - continue; - - switch (exe_symbol->GetType()) - { - default: - break; - - case eSymbolTypeCode: - { - // For each N_FUN, or function that we run into in the debug map - // we make a new section that we add to the sections found in the - // .o file. This new section has the file address set to what the - // addresses are in the .o file, and the load address is adjusted - // to match where it ended up in the final executable! We do this - // before we parse any dwarf info so that when it goes get parsed - // all section/offset addresses that get registered will resolve - // correctly to the new addresses in the main executable. - - // First we find the original symbol in the .o file's symbol table - Symbol *oso_fun_symbol = oso_symtab->FindFirstSymbolWithNameAndType (exe_symbol->GetMangled().GetName(lldb::eLanguageTypeUnknown, Mangled::ePreferMangled), - eSymbolTypeCode, - Symtab::eDebugNo, - Symtab::eVisibilityAny); - if (oso_fun_symbol) - { - // Add the inverse OSO file address to debug map entry mapping - exe_symfile->AddOSOFileRange (this, - exe_symbol->GetAddressRef().GetFileAddress(), - exe_symbol->GetByteSize(), - oso_fun_symbol->GetAddressRef().GetFileAddress(), - oso_fun_symbol->GetByteSize()); - - } - } - break; - - case eSymbolTypeData: - { - // For each N_GSYM we remap the address for the global by making - // a new section that we add to the sections found in the .o file. - // This new section has the file address set to what the - // addresses are in the .o file, and the load address is adjusted - // to match where it ended up in the final executable! We do this - // before we parse any dwarf info so that when it goes get parsed - // all section/offset addresses that get registered will resolve - // correctly to the new addresses in the main executable. We - // initially set the section size to be 1 byte, but will need to - // fix up these addresses further after all globals have been - // parsed to span the gaps, or we can find the global variable - // sizes from the DWARF info as we are parsing. - - // Next we find the non-stab entry that corresponds to the N_GSYM in the .o file - Symbol *oso_gsym_symbol = oso_symtab->FindFirstSymbolWithNameAndType (exe_symbol->GetMangled().GetName(lldb::eLanguageTypeUnknown, Mangled::ePreferMangled), - eSymbolTypeData, - Symtab::eDebugNo, - Symtab::eVisibilityAny); - if (exe_symbol && oso_gsym_symbol && - exe_symbol->ValueIsAddress() && - oso_gsym_symbol->ValueIsAddress()) - { - // Add the inverse OSO file address to debug map entry mapping - exe_symfile->AddOSOFileRange (this, - exe_symbol->GetAddressRef().GetFileAddress(), - exe_symbol->GetByteSize(), - oso_gsym_symbol->GetAddressRef().GetFileAddress(), - oso_gsym_symbol->GetByteSize()); - } - } - break; - } - } - } - - exe_symfile->FinalizeOSOFileRanges (this); - // We don't need the symbols anymore for the .o files - oso_objfile->ClearSymtab(); - } - } +SymbolFileDWARFDebugMap::CompileUnitInfo::GetFileRangeMap( + SymbolFileDWARFDebugMap *exe_symfile) { + if (file_range_map_valid) return file_range_map; -} -class DebugMapModule : public Module -{ -public: - DebugMapModule (const ModuleSP &exe_module_sp, - uint32_t cu_idx, - const FileSpec& file_spec, - const ArchSpec& arch, - const ConstString *object_name, - off_t object_offset, - const TimeValue *object_mod_time_ptr) : - Module (file_spec, arch, object_name, object_offset, object_mod_time_ptr), - m_exe_module_wp (exe_module_sp), - m_cu_idx (cu_idx) - { - } + file_range_map_valid = true; - ~DebugMapModule() override = default; - - SymbolVendor* - GetSymbolVendor(bool can_create = true, lldb_private::Stream *feedback_strm = NULL) override - { - // Scope for locker - if (m_symfile_ap.get() || can_create == false) - return m_symfile_ap.get(); - - ModuleSP exe_module_sp (m_exe_module_wp.lock()); - if (exe_module_sp) - { - // Now get the object file outside of a locking scope - ObjectFile *oso_objfile = GetObjectFile (); - if (oso_objfile) - { - std::lock_guard<std::recursive_mutex> guard(m_mutex); - SymbolVendor* symbol_vendor = Module::GetSymbolVendor(can_create, feedback_strm); - if (symbol_vendor) - { - // Set a pointer to this class to set our OSO DWARF file know - // that the DWARF is being used along with a debug map and that - // it will have the remapped sections that we do below. - SymbolFileDWARF *oso_symfile = SymbolFileDWARFDebugMap::GetSymbolFileAsSymbolFileDWARF(symbol_vendor->GetSymbolFile()); - - if (!oso_symfile) - return NULL; - - ObjectFile *exe_objfile = exe_module_sp->GetObjectFile(); - SymbolVendor *exe_sym_vendor = exe_module_sp->GetSymbolVendor(); - - if (exe_objfile && exe_sym_vendor) - { - oso_symfile->SetDebugMapModule(exe_module_sp); - // Set the ID of the symbol file DWARF to the index of the OSO - // shifted left by 32 bits to provide a unique prefix for any - // UserID's that get created in the symbol file. - oso_symfile->SetID (((uint64_t)m_cu_idx + 1ull) << 32ull); - } - return symbol_vendor; - } - } - } - return NULL; - } + Module *oso_module = exe_symfile->GetModuleByCompUnitInfo(this); + if (!oso_module) + return file_range_map; -protected: - ModuleWP m_exe_module_wp; - const uint32_t m_cu_idx; -}; + ObjectFile *oso_objfile = oso_module->GetObjectFile(); + if (!oso_objfile) + return file_range_map; -void -SymbolFileDWARFDebugMap::Initialize() -{ - PluginManager::RegisterPlugin (GetPluginNameStatic(), - GetPluginDescriptionStatic(), - CreateInstance); -} - -void -SymbolFileDWARFDebugMap::Terminate() -{ - PluginManager::UnregisterPlugin (CreateInstance); -} - -lldb_private::ConstString -SymbolFileDWARFDebugMap::GetPluginNameStatic() -{ - static ConstString g_name("dwarf-debugmap"); - return g_name; -} - -const char * -SymbolFileDWARFDebugMap::GetPluginDescriptionStatic() -{ - return "DWARF and DWARF3 debug symbol file reader (debug map)."; -} - -SymbolFile* -SymbolFileDWARFDebugMap::CreateInstance (ObjectFile* obj_file) -{ - return new SymbolFileDWARFDebugMap (obj_file); -} - -SymbolFileDWARFDebugMap::SymbolFileDWARFDebugMap (ObjectFile* ofile) : - SymbolFile(ofile), - m_flags(), - m_compile_unit_infos(), - m_func_indexes(), - m_glob_indexes(), - m_supports_DW_AT_APPLE_objc_complete_type (eLazyBoolCalculate) -{ -} - -SymbolFileDWARFDebugMap::~SymbolFileDWARFDebugMap() -{ -} - -void -SymbolFileDWARFDebugMap::InitializeObject() -{ -} - -void -SymbolFileDWARFDebugMap::InitOSO() -{ - if (m_flags.test(kHaveInitializedOSOs)) - return; - - m_flags.set(kHaveInitializedOSOs); - - // If the object file has been stripped, there is no sense in looking further - // as all of the debug symbols for the debug map will not be available - if (m_obj_file->IsStripped()) - return; - - // Also make sure the file type is some sort of executable. Core files, debug - // info files (dSYM), object files (.o files), and stub libraries all can - switch (m_obj_file->GetType()) - { - case ObjectFile::eTypeInvalid: - case ObjectFile::eTypeCoreFile: - case ObjectFile::eTypeDebugInfo: - case ObjectFile::eTypeObjectFile: - case ObjectFile::eTypeStubLibrary: - case ObjectFile::eTypeUnknown: - case ObjectFile::eTypeJIT: - return; - - case ObjectFile::eTypeExecutable: - case ObjectFile::eTypeDynamicLinker: - case ObjectFile::eTypeSharedLibrary: + Log *log(LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_MAP)); + if (log) { + ConstString object_name(oso_module->GetObjectName()); + log->Printf( + "%p: SymbolFileDWARFDebugMap::CompileUnitInfo::GetFileRangeMap ('%s')", + static_cast<void *>(this), + oso_module->GetSpecificationDescription().c_str()); + } + + std::vector<SymbolFileDWARFDebugMap::CompileUnitInfo *> cu_infos; + if (exe_symfile->GetCompUnitInfosForModule(oso_module, cu_infos)) { + for (auto comp_unit_info : cu_infos) { + Symtab *exe_symtab = exe_symfile->GetObjectFile()->GetSymtab(); + ModuleSP oso_module_sp(oso_objfile->GetModule()); + Symtab *oso_symtab = oso_objfile->GetSymtab(); + + /// const uint32_t fun_resolve_flags = SymbolContext::Module | + /// eSymbolContextCompUnit | eSymbolContextFunction; + // SectionList *oso_sections = oso_objfile->Sections(); + // Now we need to make sections that map from zero based object + // file addresses to where things ended up in the main executable. + + assert(comp_unit_info->first_symbol_index != UINT32_MAX); + // End index is one past the last valid symbol index + const uint32_t oso_end_idx = comp_unit_info->last_symbol_index + 1; + for (uint32_t idx = comp_unit_info->first_symbol_index + + 2; // Skip the N_SO and N_OSO + idx < oso_end_idx; + ++idx) { + Symbol *exe_symbol = exe_symtab->SymbolAtIndex(idx); + if (exe_symbol) { + if (exe_symbol->IsDebug() == false) + continue; + + switch (exe_symbol->GetType()) { + default: break; - } - // In order to get the abilities of this plug-in, we look at the list of - // N_OSO entries (object files) from the symbol table and make sure that - // these files exist and also contain valid DWARF. If we get any of that - // then we return the abilities of the first N_OSO's DWARF. - - Symtab* symtab = m_obj_file->GetSymtab(); - if (symtab) - { - Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_MAP)); - - std::vector<uint32_t> oso_indexes; - // When a mach-o symbol is encoded, the n_type field is encoded in bits - // 23:16, and the n_desc field is encoded in bits 15:0. - // - // To find all N_OSO entries that are part of the DWARF + debug map - // we find only object file symbols with the flags value as follows: - // bits 23:16 == 0x66 (N_OSO) - // bits 15: 0 == 0x0001 (specifies this is a debug map object file) - const uint32_t k_oso_symbol_flags_value = 0x660001u; - - const uint32_t oso_index_count = symtab->AppendSymbolIndexesWithTypeAndFlagsValue(eSymbolTypeObjectFile, k_oso_symbol_flags_value, oso_indexes); - - if (oso_index_count > 0) - { - symtab->AppendSymbolIndexesWithType (eSymbolTypeCode, Symtab::eDebugYes, Symtab::eVisibilityAny, m_func_indexes); - symtab->AppendSymbolIndexesWithType (eSymbolTypeData, Symtab::eDebugYes, Symtab::eVisibilityAny, m_glob_indexes); - - symtab->SortSymbolIndexesByValue(m_func_indexes, true); - symtab->SortSymbolIndexesByValue(m_glob_indexes, true); - - for (uint32_t sym_idx : m_func_indexes) - { - const Symbol *symbol = symtab->SymbolAtIndex(sym_idx); - lldb::addr_t file_addr = symbol->GetAddressRef().GetFileAddress(); - lldb::addr_t byte_size = symbol->GetByteSize(); - DebugMap::Entry debug_map_entry(file_addr, byte_size, OSOEntry(sym_idx, LLDB_INVALID_ADDRESS)); - m_debug_map.Append(debug_map_entry); - } - for (uint32_t sym_idx : m_glob_indexes) - { - const Symbol *symbol = symtab->SymbolAtIndex(sym_idx); - lldb::addr_t file_addr = symbol->GetAddressRef().GetFileAddress(); - lldb::addr_t byte_size = symbol->GetByteSize(); - DebugMap::Entry debug_map_entry(file_addr, byte_size, OSOEntry(sym_idx, LLDB_INVALID_ADDRESS)); - m_debug_map.Append(debug_map_entry); + case eSymbolTypeCode: { + // For each N_FUN, or function that we run into in the debug map + // we make a new section that we add to the sections found in the + // .o file. This new section has the file address set to what the + // addresses are in the .o file, and the load address is adjusted + // to match where it ended up in the final executable! We do this + // before we parse any dwarf info so that when it goes get parsed + // all section/offset addresses that get registered will resolve + // correctly to the new addresses in the main executable. + + // First we find the original symbol in the .o file's symbol table + Symbol *oso_fun_symbol = oso_symtab->FindFirstSymbolWithNameAndType( + exe_symbol->GetMangled().GetName(lldb::eLanguageTypeUnknown, + Mangled::ePreferMangled), + eSymbolTypeCode, Symtab::eDebugNo, Symtab::eVisibilityAny); + if (oso_fun_symbol) { + // Add the inverse OSO file address to debug map entry mapping + exe_symfile->AddOSOFileRange( + this, exe_symbol->GetAddressRef().GetFileAddress(), + exe_symbol->GetByteSize(), + oso_fun_symbol->GetAddressRef().GetFileAddress(), + oso_fun_symbol->GetByteSize()); } - m_debug_map.Sort(); - - m_compile_unit_infos.resize(oso_index_count); - - for (uint32_t i=0; i<oso_index_count; ++i) - { - const uint32_t so_idx = oso_indexes[i] - 1; - const uint32_t oso_idx = oso_indexes[i]; - const Symbol *so_symbol = symtab->SymbolAtIndex(so_idx); - const Symbol *oso_symbol = symtab->SymbolAtIndex(oso_idx); - if (so_symbol && - oso_symbol && - so_symbol->GetType() == eSymbolTypeSourceFile && - oso_symbol->GetType() == eSymbolTypeObjectFile) - { - m_compile_unit_infos[i].so_file.SetFile(so_symbol->GetName().AsCString(), false); - m_compile_unit_infos[i].oso_path = oso_symbol->GetName(); - TimeValue oso_mod_time; - oso_mod_time.OffsetWithSeconds(oso_symbol->GetIntegerValue(0)); - m_compile_unit_infos[i].oso_mod_time = oso_mod_time; - uint32_t sibling_idx = so_symbol->GetSiblingIndex(); - // The sibling index can't be less that or equal to the current index "i" - if (sibling_idx == UINT32_MAX) - { - m_obj_file->GetModule()->ReportError ("N_SO in symbol with UID %u has invalid sibling in debug map, please file a bug and attach the binary listed in this error", so_symbol->GetID()); - } - else - { - const Symbol* last_symbol = symtab->SymbolAtIndex (sibling_idx - 1); - m_compile_unit_infos[i].first_symbol_index = so_idx; - m_compile_unit_infos[i].last_symbol_index = sibling_idx - 1; - m_compile_unit_infos[i].first_symbol_id = so_symbol->GetID(); - m_compile_unit_infos[i].last_symbol_id = last_symbol->GetID(); - - if (log) - log->Printf("Initialized OSO 0x%8.8x: file=%s", i, oso_symbol->GetName().GetCString()); - } - } - else - { - if (oso_symbol == NULL) - m_obj_file->GetModule()->ReportError ("N_OSO symbol[%u] can't be found, please file a bug and attach the binary listed in this error", oso_idx); - else if (so_symbol == NULL) - m_obj_file->GetModule()->ReportError ("N_SO not found for N_OSO symbol[%u], please file a bug and attach the binary listed in this error", oso_idx); - else if (so_symbol->GetType() != eSymbolTypeSourceFile) - m_obj_file->GetModule()->ReportError ("N_SO has incorrect symbol type (%u) for N_OSO symbol[%u], please file a bug and attach the binary listed in this error", so_symbol->GetType(), oso_idx); - else if (oso_symbol->GetType() != eSymbolTypeSourceFile) - m_obj_file->GetModule()->ReportError ("N_OSO has incorrect symbol type (%u) for N_OSO symbol[%u], please file a bug and attach the binary listed in this error", oso_symbol->GetType(), oso_idx); - } + } break; + + case eSymbolTypeData: { + // For each N_GSYM we remap the address for the global by making + // a new section that we add to the sections found in the .o file. + // This new section has the file address set to what the + // addresses are in the .o file, and the load address is adjusted + // to match where it ended up in the final executable! We do this + // before we parse any dwarf info so that when it goes get parsed + // all section/offset addresses that get registered will resolve + // correctly to the new addresses in the main executable. We + // initially set the section size to be 1 byte, but will need to + // fix up these addresses further after all globals have been + // parsed to span the gaps, or we can find the global variable + // sizes from the DWARF info as we are parsing. + + // Next we find the non-stab entry that corresponds to the N_GSYM in + // the .o file + Symbol *oso_gsym_symbol = + oso_symtab->FindFirstSymbolWithNameAndType( + exe_symbol->GetMangled().GetName(lldb::eLanguageTypeUnknown, + Mangled::ePreferMangled), + eSymbolTypeData, Symtab::eDebugNo, Symtab::eVisibilityAny); + if (exe_symbol && oso_gsym_symbol && exe_symbol->ValueIsAddress() && + oso_gsym_symbol->ValueIsAddress()) { + // Add the inverse OSO file address to debug map entry mapping + exe_symfile->AddOSOFileRange( + this, exe_symbol->GetAddressRef().GetFileAddress(), + exe_symbol->GetByteSize(), + oso_gsym_symbol->GetAddressRef().GetFileAddress(), + oso_gsym_symbol->GetByteSize()); } + } break; + } } + } + + exe_symfile->FinalizeOSOFileRanges(this); + // We don't need the symbols anymore for the .o files + oso_objfile->ClearSymtab(); } + } + return file_range_map; } -Module * -SymbolFileDWARFDebugMap::GetModuleByOSOIndex (uint32_t oso_idx) -{ - const uint32_t cu_count = GetNumCompileUnits(); - if (oso_idx < cu_count) - return GetModuleByCompUnitInfo (&m_compile_unit_infos[oso_idx]); +class DebugMapModule : public Module { +public: + DebugMapModule(const ModuleSP &exe_module_sp, uint32_t cu_idx, + const FileSpec &file_spec, const ArchSpec &arch, + const ConstString *object_name, off_t object_offset, + const llvm::sys::TimePoint<> object_mod_time) + : Module(file_spec, arch, object_name, object_offset, object_mod_time), + m_exe_module_wp(exe_module_sp), m_cu_idx(cu_idx) {} + + ~DebugMapModule() override = default; + + SymbolVendor * + GetSymbolVendor(bool can_create = true, + lldb_private::Stream *feedback_strm = NULL) override { + // Scope for locker + if (m_symfile_ap.get() || can_create == false) + return m_symfile_ap.get(); + + ModuleSP exe_module_sp(m_exe_module_wp.lock()); + if (exe_module_sp) { + // Now get the object file outside of a locking scope + ObjectFile *oso_objfile = GetObjectFile(); + if (oso_objfile) { + std::lock_guard<std::recursive_mutex> guard(m_mutex); + SymbolVendor *symbol_vendor = + Module::GetSymbolVendor(can_create, feedback_strm); + if (symbol_vendor) { + // Set a pointer to this class to set our OSO DWARF file know + // that the DWARF is being used along with a debug map and that + // it will have the remapped sections that we do below. + SymbolFileDWARF *oso_symfile = + SymbolFileDWARFDebugMap::GetSymbolFileAsSymbolFileDWARF( + symbol_vendor->GetSymbolFile()); + + if (!oso_symfile) + return NULL; + + ObjectFile *exe_objfile = exe_module_sp->GetObjectFile(); + SymbolVendor *exe_sym_vendor = exe_module_sp->GetSymbolVendor(); + + if (exe_objfile && exe_sym_vendor) { + oso_symfile->SetDebugMapModule(exe_module_sp); + // Set the ID of the symbol file DWARF to the index of the OSO + // shifted left by 32 bits to provide a unique prefix for any + // UserID's that get created in the symbol file. + oso_symfile->SetID(((uint64_t)m_cu_idx + 1ull) << 32ull); + } + return symbol_vendor; + } + } + } return NULL; -} + } -Module * -SymbolFileDWARFDebugMap::GetModuleByCompUnitInfo (CompileUnitInfo *comp_unit_info) -{ - if (!comp_unit_info->oso_sp) - { - auto pos = m_oso_map.find (comp_unit_info->oso_path); - if (pos != m_oso_map.end()) - { - comp_unit_info->oso_sp = pos->second; - } - else - { - ObjectFile *obj_file = GetObjectFile(); - comp_unit_info->oso_sp.reset (new OSOInfo()); - m_oso_map[comp_unit_info->oso_path] = comp_unit_info->oso_sp; - const char *oso_path = comp_unit_info->oso_path.GetCString(); - FileSpec oso_file (oso_path, false); - ConstString oso_object; - if (oso_file.Exists()) - { - TimeValue oso_mod_time (oso_file.GetModificationTime()); - if (oso_mod_time != comp_unit_info->oso_mod_time) - { - obj_file->GetModule()->ReportError ("debug map object file '%s' has changed (actual time is 0x%" PRIx64 ", debug map time is 0x%" PRIx64 ") since this executable was linked, file will be ignored", - oso_file.GetPath().c_str(), - oso_mod_time.GetAsSecondsSinceJan1_1970(), - comp_unit_info->oso_mod_time.GetAsSecondsSinceJan1_1970()); - return NULL; - } +protected: + ModuleWP m_exe_module_wp; + const uint32_t m_cu_idx; +}; - } - else - { - const bool must_exist = true; - - if (!ObjectFile::SplitArchivePathWithObject (oso_path, - oso_file, - oso_object, - must_exist)) - { - return NULL; - } - } - // Always create a new module for .o files. Why? Because we - // use the debug map, to add new sections to each .o file and - // even though a .o file might not have changed, the sections - // that get added to the .o file can change. - ArchSpec oso_arch; - // Only adopt the architecture from the module (not the vendor or OS) - // since .o files for "i386-apple-ios" will historically show up as "i386-apple-macosx" - // due to the lack of a LC_VERSION_MIN_MACOSX or LC_VERSION_MIN_IPHONEOS - // load command... - oso_arch.SetTriple(m_obj_file->GetModule()->GetArchitecture().GetTriple().getArchName().str().c_str()); - comp_unit_info->oso_sp->module_sp.reset (new DebugMapModule (obj_file->GetModule(), - GetCompUnitInfoIndex(comp_unit_info), - oso_file, - oso_arch, - oso_object ? &oso_object : NULL, - 0, - oso_object ? &comp_unit_info->oso_mod_time : NULL)); +void SymbolFileDWARFDebugMap::Initialize() { + PluginManager::RegisterPlugin(GetPluginNameStatic(), + GetPluginDescriptionStatic(), CreateInstance); +} + +void SymbolFileDWARFDebugMap::Terminate() { + PluginManager::UnregisterPlugin(CreateInstance); +} + +lldb_private::ConstString SymbolFileDWARFDebugMap::GetPluginNameStatic() { + static ConstString g_name("dwarf-debugmap"); + return g_name; +} + +const char *SymbolFileDWARFDebugMap::GetPluginDescriptionStatic() { + return "DWARF and DWARF3 debug symbol file reader (debug map)."; +} + +SymbolFile *SymbolFileDWARFDebugMap::CreateInstance(ObjectFile *obj_file) { + return new SymbolFileDWARFDebugMap(obj_file); +} + +SymbolFileDWARFDebugMap::SymbolFileDWARFDebugMap(ObjectFile *ofile) + : SymbolFile(ofile), m_flags(), m_compile_unit_infos(), m_func_indexes(), + m_glob_indexes(), + m_supports_DW_AT_APPLE_objc_complete_type(eLazyBoolCalculate) {} + +SymbolFileDWARFDebugMap::~SymbolFileDWARFDebugMap() {} + +void SymbolFileDWARFDebugMap::InitializeObject() {} + +void SymbolFileDWARFDebugMap::InitOSO() { + if (m_flags.test(kHaveInitializedOSOs)) + return; + + m_flags.set(kHaveInitializedOSOs); + + // If the object file has been stripped, there is no sense in looking further + // as all of the debug symbols for the debug map will not be available + if (m_obj_file->IsStripped()) + return; + + // Also make sure the file type is some sort of executable. Core files, debug + // info files (dSYM), object files (.o files), and stub libraries all can + switch (m_obj_file->GetType()) { + case ObjectFile::eTypeInvalid: + case ObjectFile::eTypeCoreFile: + case ObjectFile::eTypeDebugInfo: + case ObjectFile::eTypeObjectFile: + case ObjectFile::eTypeStubLibrary: + case ObjectFile::eTypeUnknown: + case ObjectFile::eTypeJIT: + return; + + case ObjectFile::eTypeExecutable: + case ObjectFile::eTypeDynamicLinker: + case ObjectFile::eTypeSharedLibrary: + break; + } + + // In order to get the abilities of this plug-in, we look at the list of + // N_OSO entries (object files) from the symbol table and make sure that + // these files exist and also contain valid DWARF. If we get any of that + // then we return the abilities of the first N_OSO's DWARF. + + Symtab *symtab = m_obj_file->GetSymtab(); + if (symtab) { + Log *log(LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_MAP)); + + std::vector<uint32_t> oso_indexes; + // When a mach-o symbol is encoded, the n_type field is encoded in bits + // 23:16, and the n_desc field is encoded in bits 15:0. + // + // To find all N_OSO entries that are part of the DWARF + debug map + // we find only object file symbols with the flags value as follows: + // bits 23:16 == 0x66 (N_OSO) + // bits 15: 0 == 0x0001 (specifies this is a debug map object file) + const uint32_t k_oso_symbol_flags_value = 0x660001u; + + const uint32_t oso_index_count = + symtab->AppendSymbolIndexesWithTypeAndFlagsValue( + eSymbolTypeObjectFile, k_oso_symbol_flags_value, oso_indexes); + + if (oso_index_count > 0) { + symtab->AppendSymbolIndexesWithType(eSymbolTypeCode, Symtab::eDebugYes, + Symtab::eVisibilityAny, + m_func_indexes); + symtab->AppendSymbolIndexesWithType(eSymbolTypeData, Symtab::eDebugYes, + Symtab::eVisibilityAny, + m_glob_indexes); + + symtab->SortSymbolIndexesByValue(m_func_indexes, true); + symtab->SortSymbolIndexesByValue(m_glob_indexes, true); + + for (uint32_t sym_idx : m_func_indexes) { + const Symbol *symbol = symtab->SymbolAtIndex(sym_idx); + lldb::addr_t file_addr = symbol->GetAddressRef().GetFileAddress(); + lldb::addr_t byte_size = symbol->GetByteSize(); + DebugMap::Entry debug_map_entry( + file_addr, byte_size, OSOEntry(sym_idx, LLDB_INVALID_ADDRESS)); + m_debug_map.Append(debug_map_entry); + } + for (uint32_t sym_idx : m_glob_indexes) { + const Symbol *symbol = symtab->SymbolAtIndex(sym_idx); + lldb::addr_t file_addr = symbol->GetAddressRef().GetFileAddress(); + lldb::addr_t byte_size = symbol->GetByteSize(); + DebugMap::Entry debug_map_entry( + file_addr, byte_size, OSOEntry(sym_idx, LLDB_INVALID_ADDRESS)); + m_debug_map.Append(debug_map_entry); + } + m_debug_map.Sort(); + + m_compile_unit_infos.resize(oso_index_count); + + for (uint32_t i = 0; i < oso_index_count; ++i) { + const uint32_t so_idx = oso_indexes[i] - 1; + const uint32_t oso_idx = oso_indexes[i]; + const Symbol *so_symbol = symtab->SymbolAtIndex(so_idx); + const Symbol *oso_symbol = symtab->SymbolAtIndex(oso_idx); + if (so_symbol && oso_symbol && + so_symbol->GetType() == eSymbolTypeSourceFile && + oso_symbol->GetType() == eSymbolTypeObjectFile) { + m_compile_unit_infos[i].so_file.SetFile( + so_symbol->GetName().AsCString(), false); + m_compile_unit_infos[i].oso_path = oso_symbol->GetName(); + m_compile_unit_infos[i].oso_mod_time = + llvm::sys::toTimePoint(oso_symbol->GetIntegerValue(0)); + uint32_t sibling_idx = so_symbol->GetSiblingIndex(); + // The sibling index can't be less that or equal to the current index + // "i" + if (sibling_idx == UINT32_MAX) { + m_obj_file->GetModule()->ReportError( + "N_SO in symbol with UID %u has invalid sibling in debug map, " + "please file a bug and attach the binary listed in this error", + so_symbol->GetID()); + } else { + const Symbol *last_symbol = symtab->SymbolAtIndex(sibling_idx - 1); + m_compile_unit_infos[i].first_symbol_index = so_idx; + m_compile_unit_infos[i].last_symbol_index = sibling_idx - 1; + m_compile_unit_infos[i].first_symbol_id = so_symbol->GetID(); + m_compile_unit_infos[i].last_symbol_id = last_symbol->GetID(); + + if (log) + log->Printf("Initialized OSO 0x%8.8x: file=%s", i, + oso_symbol->GetName().GetCString()); + } + } else { + if (oso_symbol == NULL) + m_obj_file->GetModule()->ReportError( + "N_OSO symbol[%u] can't be found, please file a bug and attach " + "the binary listed in this error", + oso_idx); + else if (so_symbol == NULL) + m_obj_file->GetModule()->ReportError( + "N_SO not found for N_OSO symbol[%u], please file a bug and " + "attach the binary listed in this error", + oso_idx); + else if (so_symbol->GetType() != eSymbolTypeSourceFile) + m_obj_file->GetModule()->ReportError( + "N_SO has incorrect symbol type (%u) for N_OSO symbol[%u], " + "please file a bug and attach the binary listed in this error", + so_symbol->GetType(), oso_idx); + else if (oso_symbol->GetType() != eSymbolTypeSourceFile) + m_obj_file->GetModule()->ReportError( + "N_OSO has incorrect symbol type (%u) for N_OSO symbol[%u], " + "please file a bug and attach the binary listed in this error", + oso_symbol->GetType(), oso_idx); } + } } - if (comp_unit_info->oso_sp) - return comp_unit_info->oso_sp->module_sp.get(); - return NULL; -} + } +} + +Module *SymbolFileDWARFDebugMap::GetModuleByOSOIndex(uint32_t oso_idx) { + const uint32_t cu_count = GetNumCompileUnits(); + if (oso_idx < cu_count) + return GetModuleByCompUnitInfo(&m_compile_unit_infos[oso_idx]); + return NULL; +} + +Module *SymbolFileDWARFDebugMap::GetModuleByCompUnitInfo( + CompileUnitInfo *comp_unit_info) { + if (!comp_unit_info->oso_sp) { + auto pos = m_oso_map.find(comp_unit_info->oso_path); + if (pos != m_oso_map.end()) { + comp_unit_info->oso_sp = pos->second; + } else { + ObjectFile *obj_file = GetObjectFile(); + comp_unit_info->oso_sp.reset(new OSOInfo()); + m_oso_map[comp_unit_info->oso_path] = comp_unit_info->oso_sp; + const char *oso_path = comp_unit_info->oso_path.GetCString(); + FileSpec oso_file(oso_path, false); + ConstString oso_object; + if (oso_file.Exists()) { + auto oso_mod_time = FileSystem::GetModificationTime(oso_file); + if (oso_mod_time != comp_unit_info->oso_mod_time) { + obj_file->GetModule()->ReportError( + "debug map object file '%s' has changed (actual time is " + "%s, debug map time is %s" + ") since this executable was linked, file will be ignored", + oso_file.GetPath().c_str(), llvm::to_string(oso_mod_time).c_str(), + llvm::to_string(comp_unit_info->oso_mod_time).c_str()); + return NULL; + } + + } else { + const bool must_exist = true; -bool -SymbolFileDWARFDebugMap::GetFileSpecForSO (uint32_t oso_idx, FileSpec &file_spec) -{ - if (oso_idx < m_compile_unit_infos.size()) - { - if (m_compile_unit_infos[oso_idx].so_file) - { - file_spec = m_compile_unit_infos[oso_idx].so_file; - return true; + if (!ObjectFile::SplitArchivePathWithObject(oso_path, oso_file, + oso_object, must_exist)) { + return NULL; } + } + // Always create a new module for .o files. Why? Because we + // use the debug map, to add new sections to each .o file and + // even though a .o file might not have changed, the sections + // that get added to the .o file can change. + ArchSpec oso_arch; + // Only adopt the architecture from the module (not the vendor or OS) + // since .o files for "i386-apple-ios" will historically show up as + // "i386-apple-macosx" + // due to the lack of a LC_VERSION_MIN_MACOSX or LC_VERSION_MIN_IPHONEOS + // load command... + oso_arch.SetTriple(m_obj_file->GetModule() + ->GetArchitecture() + .GetTriple() + .getArchName() + .str() + .c_str()); + comp_unit_info->oso_sp->module_sp.reset(new DebugMapModule( + obj_file->GetModule(), GetCompUnitInfoIndex(comp_unit_info), oso_file, + oso_arch, oso_object ? &oso_object : NULL, 0, + oso_object ? comp_unit_info->oso_mod_time + : llvm::sys::TimePoint<>())); } - return false; + } + if (comp_unit_info->oso_sp) + return comp_unit_info->oso_sp->module_sp.get(); + return NULL; +} + +bool SymbolFileDWARFDebugMap::GetFileSpecForSO(uint32_t oso_idx, + FileSpec &file_spec) { + if (oso_idx < m_compile_unit_infos.size()) { + if (m_compile_unit_infos[oso_idx].so_file) { + file_spec = m_compile_unit_infos[oso_idx].so_file; + return true; + } + } + return false; } -ObjectFile * -SymbolFileDWARFDebugMap::GetObjectFileByOSOIndex (uint32_t oso_idx) -{ - Module *oso_module = GetModuleByOSOIndex (oso_idx); - if (oso_module) - return oso_module->GetObjectFile(); - return NULL; +ObjectFile *SymbolFileDWARFDebugMap::GetObjectFileByOSOIndex(uint32_t oso_idx) { + Module *oso_module = GetModuleByOSOIndex(oso_idx); + if (oso_module) + return oso_module->GetObjectFile(); + return NULL; } SymbolFileDWARF * -SymbolFileDWARFDebugMap::GetSymbolFile (const SymbolContext& sc) -{ - CompileUnitInfo *comp_unit_info = GetCompUnitInfo (sc); - if (comp_unit_info) - return GetSymbolFileByCompUnitInfo (comp_unit_info); - return NULL; +SymbolFileDWARFDebugMap::GetSymbolFile(const SymbolContext &sc) { + CompileUnitInfo *comp_unit_info = GetCompUnitInfo(sc); + if (comp_unit_info) + return GetSymbolFileByCompUnitInfo(comp_unit_info); + return NULL; } -ObjectFile * -SymbolFileDWARFDebugMap::GetObjectFileByCompUnitInfo (CompileUnitInfo *comp_unit_info) -{ - Module *oso_module = GetModuleByCompUnitInfo (comp_unit_info); - if (oso_module) - return oso_module->GetObjectFile(); - return NULL; +ObjectFile *SymbolFileDWARFDebugMap::GetObjectFileByCompUnitInfo( + CompileUnitInfo *comp_unit_info) { + Module *oso_module = GetModuleByCompUnitInfo(comp_unit_info); + if (oso_module) + return oso_module->GetObjectFile(); + return NULL; } -uint32_t -SymbolFileDWARFDebugMap::GetCompUnitInfoIndex (const CompileUnitInfo *comp_unit_info) -{ - if (!m_compile_unit_infos.empty()) - { - const CompileUnitInfo *first_comp_unit_info = &m_compile_unit_infos.front(); - const CompileUnitInfo *last_comp_unit_info = &m_compile_unit_infos.back(); - if (first_comp_unit_info <= comp_unit_info && comp_unit_info <= last_comp_unit_info) - return comp_unit_info - first_comp_unit_info; - } - return UINT32_MAX; -} - -SymbolFileDWARF * -SymbolFileDWARFDebugMap::GetSymbolFileByOSOIndex (uint32_t oso_idx) -{ - if (oso_idx < m_compile_unit_infos.size()) - return GetSymbolFileByCompUnitInfo (&m_compile_unit_infos[oso_idx]); - return NULL; +uint32_t SymbolFileDWARFDebugMap::GetCompUnitInfoIndex( + const CompileUnitInfo *comp_unit_info) { + if (!m_compile_unit_infos.empty()) { + const CompileUnitInfo *first_comp_unit_info = &m_compile_unit_infos.front(); + const CompileUnitInfo *last_comp_unit_info = &m_compile_unit_infos.back(); + if (first_comp_unit_info <= comp_unit_info && + comp_unit_info <= last_comp_unit_info) + return comp_unit_info - first_comp_unit_info; + } + return UINT32_MAX; } SymbolFileDWARF * -SymbolFileDWARFDebugMap::GetSymbolFileAsSymbolFileDWARF (SymbolFile *sym_file) -{ - if (sym_file && sym_file->GetPluginName() == SymbolFileDWARF::GetPluginNameStatic()) - return (SymbolFileDWARF *)sym_file; - return NULL; +SymbolFileDWARFDebugMap::GetSymbolFileByOSOIndex(uint32_t oso_idx) { + if (oso_idx < m_compile_unit_infos.size()) + return GetSymbolFileByCompUnitInfo(&m_compile_unit_infos[oso_idx]); + return NULL; } SymbolFileDWARF * -SymbolFileDWARFDebugMap::GetSymbolFileByCompUnitInfo (CompileUnitInfo *comp_unit_info) -{ - Module *oso_module = GetModuleByCompUnitInfo (comp_unit_info); - if (oso_module) - { - SymbolVendor *sym_vendor = oso_module->GetSymbolVendor(); - if (sym_vendor) - return GetSymbolFileAsSymbolFileDWARF (sym_vendor->GetSymbolFile()); +SymbolFileDWARFDebugMap::GetSymbolFileAsSymbolFileDWARF(SymbolFile *sym_file) { + if (sym_file && + sym_file->GetPluginName() == SymbolFileDWARF::GetPluginNameStatic()) + return (SymbolFileDWARF *)sym_file; + return NULL; +} + +SymbolFileDWARF *SymbolFileDWARFDebugMap::GetSymbolFileByCompUnitInfo( + CompileUnitInfo *comp_unit_info) { + Module *oso_module = GetModuleByCompUnitInfo(comp_unit_info); + if (oso_module) { + SymbolVendor *sym_vendor = oso_module->GetSymbolVendor(); + if (sym_vendor) + return GetSymbolFileAsSymbolFileDWARF(sym_vendor->GetSymbolFile()); + } + return NULL; +} + +uint32_t SymbolFileDWARFDebugMap::CalculateAbilities() { + // In order to get the abilities of this plug-in, we look at the list of + // N_OSO entries (object files) from the symbol table and make sure that + // these files exist and also contain valid DWARF. If we get any of that + // then we return the abilities of the first N_OSO's DWARF. + + const uint32_t oso_index_count = GetNumCompileUnits(); + if (oso_index_count > 0) { + InitOSO(); + if (!m_compile_unit_infos.empty()) { + return SymbolFile::CompileUnits | SymbolFile::Functions | + SymbolFile::Blocks | SymbolFile::GlobalVariables | + SymbolFile::LocalVariables | SymbolFile::VariableTypes | + SymbolFile::LineTables; } - return NULL; -} - -uint32_t -SymbolFileDWARFDebugMap::CalculateAbilities () -{ - // In order to get the abilities of this plug-in, we look at the list of - // N_OSO entries (object files) from the symbol table and make sure that - // these files exist and also contain valid DWARF. If we get any of that - // then we return the abilities of the first N_OSO's DWARF. - - const uint32_t oso_index_count = GetNumCompileUnits(); - if (oso_index_count > 0) - { - InitOSO(); - if (!m_compile_unit_infos.empty()) - { - return SymbolFile::CompileUnits | - SymbolFile::Functions | - SymbolFile::Blocks | - SymbolFile::GlobalVariables | - SymbolFile::LocalVariables | - SymbolFile::VariableTypes | - SymbolFile::LineTables ; - } - } - return 0; -} - -uint32_t -SymbolFileDWARFDebugMap::GetNumCompileUnits() -{ - InitOSO (); - return m_compile_unit_infos.size(); -} - -CompUnitSP -SymbolFileDWARFDebugMap::ParseCompileUnitAtIndex(uint32_t cu_idx) -{ - CompUnitSP comp_unit_sp; - const uint32_t cu_count = GetNumCompileUnits(); - - if (cu_idx < cu_count) - { - Module *oso_module = GetModuleByCompUnitInfo (&m_compile_unit_infos[cu_idx]); - if (oso_module) - { - FileSpec so_file_spec; - if (GetFileSpecForSO (cu_idx, so_file_spec)) - { - // User zero as the ID to match the compile unit at offset - // zero in each .o file since each .o file can only have - // one compile unit for now. - lldb::user_id_t cu_id = 0; - m_compile_unit_infos[cu_idx].compile_unit_sp.reset(new CompileUnit( - m_obj_file->GetModule(), NULL, so_file_spec, cu_id, eLanguageTypeUnknown, eLazyBoolCalculate)); - - if (m_compile_unit_infos[cu_idx].compile_unit_sp) - { - // Let our symbol vendor know about this compile unit - m_obj_file->GetModule()->GetSymbolVendor()->SetCompileUnitAtIndex (cu_idx, m_compile_unit_infos[cu_idx].compile_unit_sp); - } - } + } + return 0; +} + +uint32_t SymbolFileDWARFDebugMap::GetNumCompileUnits() { + InitOSO(); + return m_compile_unit_infos.size(); +} + +CompUnitSP SymbolFileDWARFDebugMap::ParseCompileUnitAtIndex(uint32_t cu_idx) { + CompUnitSP comp_unit_sp; + const uint32_t cu_count = GetNumCompileUnits(); + + if (cu_idx < cu_count) { + Module *oso_module = GetModuleByCompUnitInfo(&m_compile_unit_infos[cu_idx]); + if (oso_module) { + FileSpec so_file_spec; + if (GetFileSpecForSO(cu_idx, so_file_spec)) { + // User zero as the ID to match the compile unit at offset + // zero in each .o file since each .o file can only have + // one compile unit for now. + lldb::user_id_t cu_id = 0; + m_compile_unit_infos[cu_idx].compile_unit_sp.reset( + new CompileUnit(m_obj_file->GetModule(), NULL, so_file_spec, cu_id, + eLanguageTypeUnknown, eLazyBoolCalculate)); + + if (m_compile_unit_infos[cu_idx].compile_unit_sp) { + // Let our symbol vendor know about this compile unit + m_obj_file->GetModule()->GetSymbolVendor()->SetCompileUnitAtIndex( + cu_idx, m_compile_unit_infos[cu_idx].compile_unit_sp); } - comp_unit_sp = m_compile_unit_infos[cu_idx].compile_unit_sp; + } } + comp_unit_sp = m_compile_unit_infos[cu_idx].compile_unit_sp; + } - return comp_unit_sp; + return comp_unit_sp; } SymbolFileDWARFDebugMap::CompileUnitInfo * -SymbolFileDWARFDebugMap::GetCompUnitInfo (const SymbolContext& sc) -{ - const uint32_t cu_count = GetNumCompileUnits(); - for (uint32_t i=0; i<cu_count; ++i) - { - if (sc.comp_unit == m_compile_unit_infos[i].compile_unit_sp.get()) - return &m_compile_unit_infos[i]; - } - return NULL; -} - -size_t -SymbolFileDWARFDebugMap::GetCompUnitInfosForModule (const lldb_private::Module *module, std::vector<CompileUnitInfo *>& cu_infos) -{ - const uint32_t cu_count = GetNumCompileUnits(); - for (uint32_t i=0; i<cu_count; ++i) - { - if (module == GetModuleByCompUnitInfo (&m_compile_unit_infos[i])) - cu_infos.push_back (&m_compile_unit_infos[i]); - } - return cu_infos.size(); +SymbolFileDWARFDebugMap::GetCompUnitInfo(const SymbolContext &sc) { + const uint32_t cu_count = GetNumCompileUnits(); + for (uint32_t i = 0; i < cu_count; ++i) { + if (sc.comp_unit == m_compile_unit_infos[i].compile_unit_sp.get()) + return &m_compile_unit_infos[i]; + } + return NULL; +} + +size_t SymbolFileDWARFDebugMap::GetCompUnitInfosForModule( + const lldb_private::Module *module, + std::vector<CompileUnitInfo *> &cu_infos) { + const uint32_t cu_count = GetNumCompileUnits(); + for (uint32_t i = 0; i < cu_count; ++i) { + if (module == GetModuleByCompUnitInfo(&m_compile_unit_infos[i])) + cu_infos.push_back(&m_compile_unit_infos[i]); + } + return cu_infos.size(); } lldb::LanguageType -SymbolFileDWARFDebugMap::ParseCompileUnitLanguage (const SymbolContext& sc) -{ - SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); - if (oso_dwarf) - return oso_dwarf->ParseCompileUnitLanguage (sc); - return eLanguageTypeUnknown; +SymbolFileDWARFDebugMap::ParseCompileUnitLanguage(const SymbolContext &sc) { + SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc); + if (oso_dwarf) + return oso_dwarf->ParseCompileUnitLanguage(sc); + return eLanguageTypeUnknown; } size_t -SymbolFileDWARFDebugMap::ParseCompileUnitFunctions (const SymbolContext& sc) -{ - SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); - if (oso_dwarf) - return oso_dwarf->ParseCompileUnitFunctions (sc); - return 0; +SymbolFileDWARFDebugMap::ParseCompileUnitFunctions(const SymbolContext &sc) { + SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc); + if (oso_dwarf) + return oso_dwarf->ParseCompileUnitFunctions(sc); + return 0; } -bool -SymbolFileDWARFDebugMap::ParseCompileUnitLineTable (const SymbolContext& sc) -{ - SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); - if (oso_dwarf) - return oso_dwarf->ParseCompileUnitLineTable (sc); - return false; +bool SymbolFileDWARFDebugMap::ParseCompileUnitLineTable( + const SymbolContext &sc) { + SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc); + if (oso_dwarf) + return oso_dwarf->ParseCompileUnitLineTable(sc); + return false; } -bool -SymbolFileDWARFDebugMap::ParseCompileUnitDebugMacros (const SymbolContext& sc) -{ - SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); - if (oso_dwarf) - return oso_dwarf->ParseCompileUnitDebugMacros (sc); - return false; +bool SymbolFileDWARFDebugMap::ParseCompileUnitDebugMacros( + const SymbolContext &sc) { + SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc); + if (oso_dwarf) + return oso_dwarf->ParseCompileUnitDebugMacros(sc); + return false; } -bool -SymbolFileDWARFDebugMap::ParseCompileUnitSupportFiles (const SymbolContext& sc, FileSpecList &support_files) -{ - SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); - if (oso_dwarf) - return oso_dwarf->ParseCompileUnitSupportFiles (sc, support_files); - return false; +bool SymbolFileDWARFDebugMap::ParseCompileUnitSupportFiles( + const SymbolContext &sc, FileSpecList &support_files) { + SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc); + if (oso_dwarf) + return oso_dwarf->ParseCompileUnitSupportFiles(sc, support_files); + return false; } -bool -SymbolFileDWARFDebugMap::ParseCompileUnitIsOptimized(const lldb_private::SymbolContext &sc) -{ - SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc); - if (oso_dwarf) - return oso_dwarf->ParseCompileUnitIsOptimized(sc); - return false; +bool SymbolFileDWARFDebugMap::ParseCompileUnitIsOptimized( + const lldb_private::SymbolContext &sc) { + SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc); + if (oso_dwarf) + return oso_dwarf->ParseCompileUnitIsOptimized(sc); + return false; } -bool -SymbolFileDWARFDebugMap::ParseImportedModules(const SymbolContext &sc, std::vector<ConstString> &imported_modules) -{ - SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); - if (oso_dwarf) - return oso_dwarf->ParseImportedModules(sc, imported_modules); - return false; +bool SymbolFileDWARFDebugMap::ParseImportedModules( + const SymbolContext &sc, std::vector<ConstString> &imported_modules) { + SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc); + if (oso_dwarf) + return oso_dwarf->ParseImportedModules(sc, imported_modules); + return false; } -size_t -SymbolFileDWARFDebugMap::ParseFunctionBlocks (const SymbolContext& sc) -{ - SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); - if (oso_dwarf) - return oso_dwarf->ParseFunctionBlocks (sc); - return 0; +size_t SymbolFileDWARFDebugMap::ParseFunctionBlocks(const SymbolContext &sc) { + SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc); + if (oso_dwarf) + return oso_dwarf->ParseFunctionBlocks(sc); + return 0; } -size_t -SymbolFileDWARFDebugMap::ParseTypes (const SymbolContext& sc) -{ - SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); - if (oso_dwarf) - return oso_dwarf->ParseTypes (sc); - return 0; +size_t SymbolFileDWARFDebugMap::ParseTypes(const SymbolContext &sc) { + SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc); + if (oso_dwarf) + return oso_dwarf->ParseTypes(sc); + return 0; } size_t -SymbolFileDWARFDebugMap::ParseVariablesForContext (const SymbolContext& sc) -{ - SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); - if (oso_dwarf) - return oso_dwarf->ParseVariablesForContext (sc); - return 0; +SymbolFileDWARFDebugMap::ParseVariablesForContext(const SymbolContext &sc) { + SymbolFileDWARF *oso_dwarf = GetSymbolFile(sc); + if (oso_dwarf) + return oso_dwarf->ParseVariablesForContext(sc); + return 0; } -Type* -SymbolFileDWARFDebugMap::ResolveTypeUID(lldb::user_id_t type_uid) -{ - const uint64_t oso_idx = GetOSOIndexFromUserID (type_uid); - SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex (oso_idx); - if (oso_dwarf) - return oso_dwarf->ResolveTypeUID (type_uid); - return NULL; +Type *SymbolFileDWARFDebugMap::ResolveTypeUID(lldb::user_id_t type_uid) { + const uint64_t oso_idx = GetOSOIndexFromUserID(type_uid); + SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex(oso_idx); + if (oso_dwarf) + return oso_dwarf->ResolveTypeUID(type_uid); + return NULL; } -bool -SymbolFileDWARFDebugMap::CompleteType (CompilerType& compiler_type) -{ - bool success = false; - if (compiler_type) - { - ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { - if (oso_dwarf->HasForwardDeclForClangType (compiler_type)) - { - oso_dwarf->CompleteType (compiler_type); - success = true; - return true; +bool SymbolFileDWARFDebugMap::CompleteType(CompilerType &compiler_type) { + bool success = false; + if (compiler_type) { + ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { + if (oso_dwarf->HasForwardDeclForClangType(compiler_type)) { + oso_dwarf->CompleteType(compiler_type); + success = true; + return true; + } + return false; + }); + } + return success; +} + +uint32_t SymbolFileDWARFDebugMap::ResolveSymbolContext( + const Address &exe_so_addr, uint32_t resolve_scope, SymbolContext &sc) { + uint32_t resolved_flags = 0; + Symtab *symtab = m_obj_file->GetSymtab(); + if (symtab) { + const addr_t exe_file_addr = exe_so_addr.GetFileAddress(); + + const DebugMap::Entry *debug_map_entry = + m_debug_map.FindEntryThatContains(exe_file_addr); + if (debug_map_entry) { + + sc.symbol = + symtab->SymbolAtIndex(debug_map_entry->data.GetExeSymbolIndex()); + + if (sc.symbol != NULL) { + resolved_flags |= eSymbolContextSymbol; + + uint32_t oso_idx = 0; + CompileUnitInfo *comp_unit_info = + GetCompileUnitInfoForSymbolWithID(sc.symbol->GetID(), &oso_idx); + if (comp_unit_info) { + comp_unit_info->GetFileRangeMap(this); + Module *oso_module = GetModuleByCompUnitInfo(comp_unit_info); + if (oso_module) { + lldb::addr_t oso_file_addr = + exe_file_addr - debug_map_entry->GetRangeBase() + + debug_map_entry->data.GetOSOFileAddress(); + Address oso_so_addr; + if (oso_module->ResolveFileAddress(oso_file_addr, oso_so_addr)) { + resolved_flags |= + oso_module->GetSymbolVendor()->ResolveSymbolContext( + oso_so_addr, resolve_scope, sc); } - return false; - }); + } + } + } + } + } + return resolved_flags; +} + +uint32_t SymbolFileDWARFDebugMap::ResolveSymbolContext( + const FileSpec &file_spec, uint32_t line, bool check_inlines, + uint32_t resolve_scope, SymbolContextList &sc_list) { + const uint32_t initial = sc_list.GetSize(); + const uint32_t cu_count = GetNumCompileUnits(); + + for (uint32_t i = 0; i < cu_count; ++i) { + // If we are checking for inlines, then we need to look through all + // compile units no matter if "file_spec" matches. + bool resolve = check_inlines; + + if (!resolve) { + FileSpec so_file_spec; + if (GetFileSpecForSO(i, so_file_spec)) { + // Match the full path if the incoming file_spec has a directory (not + // just a basename) + const bool full_match = (bool)file_spec.GetDirectory(); + resolve = FileSpec::Equal(file_spec, so_file_spec, full_match); + } } - return success; + if (resolve) { + SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex(i); + if (oso_dwarf) + oso_dwarf->ResolveSymbolContext(file_spec, line, check_inlines, + resolve_scope, sc_list); + } + } + return sc_list.GetSize() - initial; } -uint32_t -SymbolFileDWARFDebugMap::ResolveSymbolContext (const Address& exe_so_addr, uint32_t resolve_scope, SymbolContext& sc) -{ - uint32_t resolved_flags = 0; - Symtab* symtab = m_obj_file->GetSymtab(); - if (symtab) - { - const addr_t exe_file_addr = exe_so_addr.GetFileAddress(); - - const DebugMap::Entry *debug_map_entry = m_debug_map.FindEntryThatContains (exe_file_addr); - if (debug_map_entry) - { - - sc.symbol = symtab->SymbolAtIndex(debug_map_entry->data.GetExeSymbolIndex()); - - if (sc.symbol != NULL) - { - resolved_flags |= eSymbolContextSymbol; - - uint32_t oso_idx = 0; - CompileUnitInfo* comp_unit_info = GetCompileUnitInfoForSymbolWithID (sc.symbol->GetID(), &oso_idx); - if (comp_unit_info) - { - comp_unit_info->GetFileRangeMap(this); - Module *oso_module = GetModuleByCompUnitInfo (comp_unit_info); - if (oso_module) - { - lldb::addr_t oso_file_addr = exe_file_addr - debug_map_entry->GetRangeBase() + debug_map_entry->data.GetOSOFileAddress(); - Address oso_so_addr; - if (oso_module->ResolveFileAddress(oso_file_addr, oso_so_addr)) - { - resolved_flags |= oso_module->GetSymbolVendor()->ResolveSymbolContext (oso_so_addr, resolve_scope, sc); - } - } - } - } - } +uint32_t SymbolFileDWARFDebugMap::PrivateFindGlobalVariables( + const ConstString &name, const CompilerDeclContext *parent_decl_ctx, + const std::vector<uint32_t> + &indexes, // Indexes into the symbol table that match "name" + uint32_t max_matches, + VariableList &variables) { + const uint32_t original_size = variables.GetSize(); + const size_t match_count = indexes.size(); + for (size_t i = 0; i < match_count; ++i) { + uint32_t oso_idx; + CompileUnitInfo *comp_unit_info = + GetCompileUnitInfoForSymbolWithIndex(indexes[i], &oso_idx); + if (comp_unit_info) { + SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex(oso_idx); + if (oso_dwarf) { + if (oso_dwarf->FindGlobalVariables(name, parent_decl_ctx, true, + max_matches, variables)) + if (variables.GetSize() > max_matches) + break; + } } - return resolved_flags; + } + return variables.GetSize() - original_size; } -uint32_t -SymbolFileDWARFDebugMap::ResolveSymbolContext (const FileSpec& file_spec, uint32_t line, bool check_inlines, uint32_t resolve_scope, SymbolContextList& sc_list) -{ - const uint32_t initial = sc_list.GetSize(); - const uint32_t cu_count = GetNumCompileUnits(); +uint32_t SymbolFileDWARFDebugMap::FindGlobalVariables( + const ConstString &name, const CompilerDeclContext *parent_decl_ctx, + bool append, uint32_t max_matches, VariableList &variables) { - for (uint32_t i=0; i<cu_count; ++i) - { - // If we are checking for inlines, then we need to look through all - // compile units no matter if "file_spec" matches. - bool resolve = check_inlines; - - if (!resolve) - { - FileSpec so_file_spec; - if (GetFileSpecForSO (i, so_file_spec)) - { - // Match the full path if the incoming file_spec has a directory (not just a basename) - const bool full_match = (bool)file_spec.GetDirectory(); - resolve = FileSpec::Equal (file_spec, so_file_spec, full_match); - } - } - if (resolve) - { - SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex (i); - if (oso_dwarf) - oso_dwarf->ResolveSymbolContext(file_spec, line, check_inlines, resolve_scope, sc_list); - } - } - return sc_list.GetSize() - initial; -} + // If we aren't appending the results to this list, then clear the list + if (!append) + variables.Clear(); -uint32_t -SymbolFileDWARFDebugMap::PrivateFindGlobalVariables -( - const ConstString &name, - const CompilerDeclContext *parent_decl_ctx, - const std::vector<uint32_t> &indexes, // Indexes into the symbol table that match "name" - uint32_t max_matches, - VariableList& variables -) -{ - const uint32_t original_size = variables.GetSize(); - const size_t match_count = indexes.size(); - for (size_t i=0; i<match_count; ++i) - { - uint32_t oso_idx; - CompileUnitInfo* comp_unit_info = GetCompileUnitInfoForSymbolWithIndex (indexes[i], &oso_idx); - if (comp_unit_info) - { - SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex (oso_idx); - if (oso_dwarf) - { - if (oso_dwarf->FindGlobalVariables(name, parent_decl_ctx, true, max_matches, variables)) - if (variables.GetSize() > max_matches) - break; - } - } + // Remember how many variables are in the list before we search in case + // we are appending the results to a variable list. + const uint32_t original_size = variables.GetSize(); + + uint32_t total_matches = 0; + + ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { + const uint32_t oso_matches = oso_dwarf->FindGlobalVariables( + name, parent_decl_ctx, true, max_matches, variables); + if (oso_matches > 0) { + total_matches += oso_matches; + + // Are we getting all matches? + if (max_matches == UINT32_MAX) + return false; // Yep, continue getting everything + + // If we have found enough matches, lets get out + if (max_matches >= total_matches) + return true; + + // Update the max matches for any subsequent calls to find globals + // in any other object files with DWARF + max_matches -= oso_matches; } - return variables.GetSize() - original_size; -} -uint32_t -SymbolFileDWARFDebugMap::FindGlobalVariables (const ConstString &name, - const CompilerDeclContext *parent_decl_ctx, - bool append, - uint32_t max_matches, - VariableList& variables) -{ - - // If we aren't appending the results to this list, then clear the list - if (!append) - variables.Clear(); - - // Remember how many variables are in the list before we search in case - // we are appending the results to a variable list. - const uint32_t original_size = variables.GetSize(); - - uint32_t total_matches = 0; - - ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { - const uint32_t oso_matches = oso_dwarf->FindGlobalVariables (name, - parent_decl_ctx, - true, - max_matches, - variables); - if (oso_matches > 0) - { - total_matches += oso_matches; - - // Are we getting all matches? - if (max_matches == UINT32_MAX) - return false; // Yep, continue getting everything - - // If we have found enough matches, lets get out - if (max_matches >= total_matches) - return true; - - // Update the max matches for any subsequent calls to find globals - // in any other object files with DWARF - max_matches -= oso_matches; - } - - return false; - }); + return false; + }); - // Return the number of variable that were appended to the list - return variables.GetSize() - original_size; + // Return the number of variable that were appended to the list + return variables.GetSize() - original_size; } uint32_t -SymbolFileDWARFDebugMap::FindGlobalVariables (const RegularExpression& regex, bool append, uint32_t max_matches, VariableList& variables) -{ - // If we aren't appending the results to this list, then clear the list - if (!append) - variables.Clear(); +SymbolFileDWARFDebugMap::FindGlobalVariables(const RegularExpression ®ex, + bool append, uint32_t max_matches, + VariableList &variables) { + // If we aren't appending the results to this list, then clear the list + if (!append) + variables.Clear(); + + // Remember how many variables are in the list before we search in case + // we are appending the results to a variable list. + const uint32_t original_size = variables.GetSize(); + + uint32_t total_matches = 0; + ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { + const uint32_t oso_matches = + oso_dwarf->FindGlobalVariables(regex, true, max_matches, variables); + if (oso_matches > 0) { + total_matches += oso_matches; + + // Are we getting all matches? + if (max_matches == UINT32_MAX) + return false; // Yep, continue getting everything + + // If we have found enough matches, lets get out + if (max_matches >= total_matches) + return true; - // Remember how many variables are in the list before we search in case - // we are appending the results to a variable list. - const uint32_t original_size = variables.GetSize(); + // Update the max matches for any subsequent calls to find globals + // in any other object files with DWARF + max_matches -= oso_matches; + } - uint32_t total_matches = 0; - ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { - const uint32_t oso_matches = oso_dwarf->FindGlobalVariables (regex, - true, - max_matches, - variables); - if (oso_matches > 0) - { - total_matches += oso_matches; - - // Are we getting all matches? - if (max_matches == UINT32_MAX) - return false; // Yep, continue getting everything - - // If we have found enough matches, lets get out - if (max_matches >= total_matches) - return true; - - // Update the max matches for any subsequent calls to find globals - // in any other object files with DWARF - max_matches -= oso_matches; - } - - return false; - }); - - // Return the number of variable that were appended to the list - return variables.GetSize() - original_size; + return false; + }); + + // Return the number of variable that were appended to the list + return variables.GetSize() - original_size; } -int -SymbolFileDWARFDebugMap::SymbolContainsSymbolWithIndex (uint32_t *symbol_idx_ptr, const CompileUnitInfo *comp_unit_info) -{ - const uint32_t symbol_idx = *symbol_idx_ptr; +int SymbolFileDWARFDebugMap::SymbolContainsSymbolWithIndex( + uint32_t *symbol_idx_ptr, const CompileUnitInfo *comp_unit_info) { + const uint32_t symbol_idx = *symbol_idx_ptr; - if (symbol_idx < comp_unit_info->first_symbol_index) - return -1; + if (symbol_idx < comp_unit_info->first_symbol_index) + return -1; - if (symbol_idx <= comp_unit_info->last_symbol_index) - return 0; + if (symbol_idx <= comp_unit_info->last_symbol_index) + return 0; - return 1; + return 1; } -int -SymbolFileDWARFDebugMap::SymbolContainsSymbolWithID (user_id_t *symbol_idx_ptr, const CompileUnitInfo *comp_unit_info) -{ - const user_id_t symbol_id = *symbol_idx_ptr; +int SymbolFileDWARFDebugMap::SymbolContainsSymbolWithID( + user_id_t *symbol_idx_ptr, const CompileUnitInfo *comp_unit_info) { + const user_id_t symbol_id = *symbol_idx_ptr; - if (symbol_id < comp_unit_info->first_symbol_id) - return -1; + if (symbol_id < comp_unit_info->first_symbol_id) + return -1; - if (symbol_id <= comp_unit_info->last_symbol_id) - return 0; + if (symbol_id <= comp_unit_info->last_symbol_id) + return 0; - return 1; + return 1; } -SymbolFileDWARFDebugMap::CompileUnitInfo* -SymbolFileDWARFDebugMap::GetCompileUnitInfoForSymbolWithIndex (uint32_t symbol_idx, uint32_t *oso_idx_ptr) -{ - const uint32_t oso_index_count = m_compile_unit_infos.size(); - CompileUnitInfo *comp_unit_info = NULL; - if (oso_index_count) - { - comp_unit_info = (CompileUnitInfo*)bsearch(&symbol_idx, - &m_compile_unit_infos[0], - m_compile_unit_infos.size(), - sizeof(CompileUnitInfo), - (ComparisonFunction)SymbolContainsSymbolWithIndex); - } +SymbolFileDWARFDebugMap::CompileUnitInfo * +SymbolFileDWARFDebugMap::GetCompileUnitInfoForSymbolWithIndex( + uint32_t symbol_idx, uint32_t *oso_idx_ptr) { + const uint32_t oso_index_count = m_compile_unit_infos.size(); + CompileUnitInfo *comp_unit_info = NULL; + if (oso_index_count) { + comp_unit_info = (CompileUnitInfo *)bsearch( + &symbol_idx, &m_compile_unit_infos[0], m_compile_unit_infos.size(), + sizeof(CompileUnitInfo), + (ComparisonFunction)SymbolContainsSymbolWithIndex); + } + + if (oso_idx_ptr) { + if (comp_unit_info != NULL) + *oso_idx_ptr = comp_unit_info - &m_compile_unit_infos[0]; + else + *oso_idx_ptr = UINT32_MAX; + } + return comp_unit_info; +} - if (oso_idx_ptr) - { - if (comp_unit_info != NULL) - *oso_idx_ptr = comp_unit_info - &m_compile_unit_infos[0]; - else - *oso_idx_ptr = UINT32_MAX; +SymbolFileDWARFDebugMap::CompileUnitInfo * +SymbolFileDWARFDebugMap::GetCompileUnitInfoForSymbolWithID( + user_id_t symbol_id, uint32_t *oso_idx_ptr) { + const uint32_t oso_index_count = m_compile_unit_infos.size(); + CompileUnitInfo *comp_unit_info = NULL; + if (oso_index_count) { + comp_unit_info = (CompileUnitInfo *)::bsearch( + &symbol_id, &m_compile_unit_infos[0], m_compile_unit_infos.size(), + sizeof(CompileUnitInfo), + (ComparisonFunction)SymbolContainsSymbolWithID); + } + + if (oso_idx_ptr) { + if (comp_unit_info != NULL) + *oso_idx_ptr = comp_unit_info - &m_compile_unit_infos[0]; + else + *oso_idx_ptr = UINT32_MAX; + } + return comp_unit_info; +} + +static void RemoveFunctionsWithModuleNotEqualTo(const ModuleSP &module_sp, + SymbolContextList &sc_list, + uint32_t start_idx) { + // We found functions in .o files. Not all functions in the .o files + // will have made it into the final output file. The ones that did + // make it into the final output file will have a section whose module + // matches the module from the ObjectFile for this SymbolFile. When + // the modules don't match, then we have something that was in a + // .o file, but doesn't map to anything in the final executable. + uint32_t i = start_idx; + while (i < sc_list.GetSize()) { + SymbolContext sc; + sc_list.GetContextAtIndex(i, sc); + if (sc.function) { + const SectionSP section_sp( + sc.function->GetAddressRange().GetBaseAddress().GetSection()); + if (section_sp->GetModule() != module_sp) { + sc_list.RemoveContextAtIndex(i); + continue; + } } - return comp_unit_info; -} - -SymbolFileDWARFDebugMap::CompileUnitInfo* -SymbolFileDWARFDebugMap::GetCompileUnitInfoForSymbolWithID (user_id_t symbol_id, uint32_t *oso_idx_ptr) -{ - const uint32_t oso_index_count = m_compile_unit_infos.size(); - CompileUnitInfo *comp_unit_info = NULL; - if (oso_index_count) - { - comp_unit_info = (CompileUnitInfo*)::bsearch (&symbol_id, - &m_compile_unit_infos[0], - m_compile_unit_infos.size(), - sizeof(CompileUnitInfo), - (ComparisonFunction)SymbolContainsSymbolWithID); + ++i; + } +} + +uint32_t SymbolFileDWARFDebugMap::FindFunctions( + const ConstString &name, const CompilerDeclContext *parent_decl_ctx, + uint32_t name_type_mask, bool include_inlines, bool append, + SymbolContextList &sc_list) { + Timer scoped_timer(LLVM_PRETTY_FUNCTION, + "SymbolFileDWARFDebugMap::FindFunctions (name = %s)", + name.GetCString()); + + uint32_t initial_size = 0; + if (append) + initial_size = sc_list.GetSize(); + else + sc_list.Clear(); + + ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { + uint32_t sc_idx = sc_list.GetSize(); + if (oso_dwarf->FindFunctions(name, parent_decl_ctx, name_type_mask, + include_inlines, true, sc_list)) { + RemoveFunctionsWithModuleNotEqualTo(m_obj_file->GetModule(), sc_list, + sc_idx); } + return false; + }); - if (oso_idx_ptr) - { - if (comp_unit_info != NULL) - *oso_idx_ptr = comp_unit_info - &m_compile_unit_infos[0]; - else - *oso_idx_ptr = UINT32_MAX; - } - return comp_unit_info; -} - -static void -RemoveFunctionsWithModuleNotEqualTo (const ModuleSP &module_sp, SymbolContextList &sc_list, uint32_t start_idx) -{ - // We found functions in .o files. Not all functions in the .o files - // will have made it into the final output file. The ones that did - // make it into the final output file will have a section whose module - // matches the module from the ObjectFile for this SymbolFile. When - // the modules don't match, then we have something that was in a - // .o file, but doesn't map to anything in the final executable. - uint32_t i=start_idx; - while (i < sc_list.GetSize()) - { - SymbolContext sc; - sc_list.GetContextAtIndex(i, sc); - if (sc.function) - { - const SectionSP section_sp (sc.function->GetAddressRange().GetBaseAddress().GetSection()); - if (section_sp->GetModule() != module_sp) - { - sc_list.RemoveContextAtIndex(i); - continue; - } - } - ++i; - } + return sc_list.GetSize() - initial_size; } -uint32_t -SymbolFileDWARFDebugMap::FindFunctions(const ConstString &name, - const CompilerDeclContext *parent_decl_ctx, - uint32_t name_type_mask, - bool include_inlines, - bool append, - SymbolContextList& sc_list) -{ - Timer scoped_timer (__PRETTY_FUNCTION__, - "SymbolFileDWARFDebugMap::FindFunctions (name = %s)", - name.GetCString()); - - uint32_t initial_size = 0; - if (append) - initial_size = sc_list.GetSize(); - else - sc_list.Clear(); +uint32_t SymbolFileDWARFDebugMap::FindFunctions(const RegularExpression ®ex, + bool include_inlines, + bool append, + SymbolContextList &sc_list) { + Timer scoped_timer(LLVM_PRETTY_FUNCTION, + "SymbolFileDWARFDebugMap::FindFunctions (regex = '%s')", + regex.GetText().str().c_str()); - ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { - uint32_t sc_idx = sc_list.GetSize(); - if (oso_dwarf->FindFunctions(name, parent_decl_ctx, name_type_mask, include_inlines, true, sc_list)) - { - RemoveFunctionsWithModuleNotEqualTo (m_obj_file->GetModule(), sc_list, sc_idx); - } - return false; - }); + uint32_t initial_size = 0; + if (append) + initial_size = sc_list.GetSize(); + else + sc_list.Clear(); - return sc_list.GetSize() - initial_size; + ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { + uint32_t sc_idx = sc_list.GetSize(); + + if (oso_dwarf->FindFunctions(regex, include_inlines, true, sc_list)) { + RemoveFunctionsWithModuleNotEqualTo(m_obj_file->GetModule(), sc_list, + sc_idx); + } + return false; + }); + + return sc_list.GetSize() - initial_size; } -uint32_t -SymbolFileDWARFDebugMap::FindFunctions (const RegularExpression& regex, bool include_inlines, bool append, SymbolContextList& sc_list) -{ - Timer scoped_timer (__PRETTY_FUNCTION__, - "SymbolFileDWARFDebugMap::FindFunctions (regex = '%s')", - regex.GetText()); - - uint32_t initial_size = 0; - if (append) - initial_size = sc_list.GetSize(); - else - sc_list.Clear(); +size_t SymbolFileDWARFDebugMap::GetTypes(SymbolContextScope *sc_scope, + uint32_t type_mask, + TypeList &type_list) { + Timer scoped_timer(LLVM_PRETTY_FUNCTION, + "SymbolFileDWARFDebugMap::GetTypes (type_mask = 0x%8.8x)", + type_mask); + uint32_t initial_size = type_list.GetSize(); + SymbolFileDWARF *oso_dwarf = NULL; + if (sc_scope) { + SymbolContext sc; + sc_scope->CalculateSymbolContext(&sc); + + CompileUnitInfo *cu_info = GetCompUnitInfo(sc); + if (cu_info) { + oso_dwarf = GetSymbolFileByCompUnitInfo(cu_info); + if (oso_dwarf) + oso_dwarf->GetTypes(sc_scope, type_mask, type_list); + } + } else { ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { - uint32_t sc_idx = sc_list.GetSize(); - - if (oso_dwarf->FindFunctions(regex, include_inlines, true, sc_list)) - { - RemoveFunctionsWithModuleNotEqualTo (m_obj_file->GetModule(), sc_list, sc_idx); - } - return false; + oso_dwarf->GetTypes(sc_scope, type_mask, type_list); + return false; }); - - return sc_list.GetSize() - initial_size; + } + return type_list.GetSize() - initial_size; } -size_t -SymbolFileDWARFDebugMap::GetTypes (SymbolContextScope *sc_scope, - uint32_t type_mask, - TypeList &type_list) -{ - Timer scoped_timer (__PRETTY_FUNCTION__, - "SymbolFileDWARFDebugMap::GetTypes (type_mask = 0x%8.8x)", - type_mask); - - uint32_t initial_size = type_list.GetSize(); - SymbolFileDWARF *oso_dwarf = NULL; - if (sc_scope) - { - SymbolContext sc; - sc_scope->CalculateSymbolContext(&sc); - - CompileUnitInfo *cu_info = GetCompUnitInfo (sc); - if (cu_info) - { - oso_dwarf = GetSymbolFileByCompUnitInfo (cu_info); - if (oso_dwarf) - oso_dwarf->GetTypes (sc_scope, type_mask, type_list); - } - } - else - { - ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { - oso_dwarf->GetTypes (sc_scope, type_mask, type_list); - return false; - }); - } - return type_list.GetSize() - initial_size; +TypeSP SymbolFileDWARFDebugMap::FindDefinitionTypeForDWARFDeclContext( + const DWARFDeclContext &die_decl_ctx) { + TypeSP type_sp; + ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { + type_sp = oso_dwarf->FindDefinitionTypeForDWARFDeclContext(die_decl_ctx); + return ((bool)type_sp); + }); + return type_sp; } -TypeSP -SymbolFileDWARFDebugMap::FindDefinitionTypeForDWARFDeclContext (const DWARFDeclContext &die_decl_ctx) -{ - TypeSP type_sp; +bool SymbolFileDWARFDebugMap::Supports_DW_AT_APPLE_objc_complete_type( + SymbolFileDWARF *skip_dwarf_oso) { + if (m_supports_DW_AT_APPLE_objc_complete_type == eLazyBoolCalculate) { + m_supports_DW_AT_APPLE_objc_complete_type = eLazyBoolNo; ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { - type_sp = oso_dwarf->FindDefinitionTypeForDWARFDeclContext (die_decl_ctx); - return ((bool)type_sp); + if (skip_dwarf_oso != oso_dwarf && + oso_dwarf->Supports_DW_AT_APPLE_objc_complete_type(NULL)) { + m_supports_DW_AT_APPLE_objc_complete_type = eLazyBoolYes; + return true; + } + return false; }); - return type_sp; -} - -bool -SymbolFileDWARFDebugMap::Supports_DW_AT_APPLE_objc_complete_type (SymbolFileDWARF *skip_dwarf_oso) -{ - if (m_supports_DW_AT_APPLE_objc_complete_type == eLazyBoolCalculate) - { - m_supports_DW_AT_APPLE_objc_complete_type = eLazyBoolNo; - ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { - if (skip_dwarf_oso != oso_dwarf && oso_dwarf->Supports_DW_AT_APPLE_objc_complete_type(NULL)) - { - m_supports_DW_AT_APPLE_objc_complete_type = eLazyBoolYes; - return true; - } - return false; - }); - } - return m_supports_DW_AT_APPLE_objc_complete_type == eLazyBoolYes; -} - -TypeSP -SymbolFileDWARFDebugMap::FindCompleteObjCDefinitionTypeForDIE (const DWARFDIE &die, - const ConstString &type_name, - bool must_be_implementation) -{ - // If we have a debug map, we will have an Objective C symbol whose name is - // the type name and whose type is eSymbolTypeObjCClass. If we can find that - // symbol and find its containing parent, we can locate the .o file that will - // contain the implementation definition since it will be scoped inside the N_SO - // and we can then locate the SymbolFileDWARF that corresponds to that N_SO. - SymbolFileDWARF *oso_dwarf = NULL; - TypeSP type_sp; - ObjectFile *module_objfile = m_obj_file->GetModule()->GetObjectFile(); - if (module_objfile) - { - Symtab *symtab = module_objfile->GetSymtab(); - if (symtab) - { - Symbol *objc_class_symbol = symtab->FindFirstSymbolWithNameAndType(type_name, eSymbolTypeObjCClass, Symtab::eDebugAny, Symtab::eVisibilityAny); - if (objc_class_symbol) - { - // Get the N_SO symbol that contains the objective C class symbol as this - // should be the .o file that contains the real definition... - const Symbol *source_file_symbol = symtab->GetParent(objc_class_symbol); - - if (source_file_symbol && source_file_symbol->GetType() == eSymbolTypeSourceFile) - { - const uint32_t source_file_symbol_idx = symtab->GetIndexForSymbol(source_file_symbol); - if (source_file_symbol_idx != UINT32_MAX) - { - CompileUnitInfo *compile_unit_info = GetCompileUnitInfoForSymbolWithIndex (source_file_symbol_idx, NULL); - if (compile_unit_info) - { - oso_dwarf = GetSymbolFileByCompUnitInfo (compile_unit_info); - if (oso_dwarf) - { - TypeSP type_sp (oso_dwarf->FindCompleteObjCDefinitionTypeForDIE (die, type_name, must_be_implementation)); - if (type_sp) - { - return type_sp; - } - } - } - } + } + return m_supports_DW_AT_APPLE_objc_complete_type == eLazyBoolYes; +} + +TypeSP SymbolFileDWARFDebugMap::FindCompleteObjCDefinitionTypeForDIE( + const DWARFDIE &die, const ConstString &type_name, + bool must_be_implementation) { + // If we have a debug map, we will have an Objective C symbol whose name is + // the type name and whose type is eSymbolTypeObjCClass. If we can find that + // symbol and find its containing parent, we can locate the .o file that will + // contain the implementation definition since it will be scoped inside the + // N_SO + // and we can then locate the SymbolFileDWARF that corresponds to that N_SO. + SymbolFileDWARF *oso_dwarf = NULL; + TypeSP type_sp; + ObjectFile *module_objfile = m_obj_file->GetModule()->GetObjectFile(); + if (module_objfile) { + Symtab *symtab = module_objfile->GetSymtab(); + if (symtab) { + Symbol *objc_class_symbol = symtab->FindFirstSymbolWithNameAndType( + type_name, eSymbolTypeObjCClass, Symtab::eDebugAny, + Symtab::eVisibilityAny); + if (objc_class_symbol) { + // Get the N_SO symbol that contains the objective C class symbol as + // this + // should be the .o file that contains the real definition... + const Symbol *source_file_symbol = symtab->GetParent(objc_class_symbol); + + if (source_file_symbol && + source_file_symbol->GetType() == eSymbolTypeSourceFile) { + const uint32_t source_file_symbol_idx = + symtab->GetIndexForSymbol(source_file_symbol); + if (source_file_symbol_idx != UINT32_MAX) { + CompileUnitInfo *compile_unit_info = + GetCompileUnitInfoForSymbolWithIndex(source_file_symbol_idx, + NULL); + if (compile_unit_info) { + oso_dwarf = GetSymbolFileByCompUnitInfo(compile_unit_info); + if (oso_dwarf) { + TypeSP type_sp(oso_dwarf->FindCompleteObjCDefinitionTypeForDIE( + die, type_name, must_be_implementation)); + if (type_sp) { + return type_sp; } + } } + } } + } } + } + + // Only search all .o files for the definition if we don't need the + // implementation + // because otherwise, with a valid debug map we should have the ObjC class + // symbol and + // the code above should have found it. + if (must_be_implementation == false) { + TypeSP type_sp; - // Only search all .o files for the definition if we don't need the implementation - // because otherwise, with a valid debug map we should have the ObjC class symbol and - // the code above should have found it. - if (must_be_implementation == false) - { - TypeSP type_sp; - - ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { - type_sp = oso_dwarf->FindCompleteObjCDefinitionTypeForDIE (die, type_name, must_be_implementation); - return (bool)type_sp; - }); - - return type_sp; - } - return TypeSP(); + ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { + type_sp = oso_dwarf->FindCompleteObjCDefinitionTypeForDIE( + die, type_name, must_be_implementation); + return (bool)type_sp; + }); + + return type_sp; + } + return TypeSP(); } -uint32_t -SymbolFileDWARFDebugMap::FindTypes -( - const SymbolContext& sc, - const ConstString &name, - const CompilerDeclContext *parent_decl_ctx, - bool append, +uint32_t SymbolFileDWARFDebugMap::FindTypes( + const SymbolContext &sc, const ConstString &name, + const CompilerDeclContext *parent_decl_ctx, bool append, uint32_t max_matches, llvm::DenseSet<lldb_private::SymbolFile *> &searched_symbol_files, - TypeMap& types -) -{ - if (!append) - types.Clear(); - - const uint32_t initial_types_size = types.GetSize(); - SymbolFileDWARF *oso_dwarf; - - if (sc.comp_unit) - { - oso_dwarf = GetSymbolFile (sc); - if (oso_dwarf) - return oso_dwarf->FindTypes (sc, name, parent_decl_ctx, append, max_matches, searched_symbol_files, types); - } - else - { - ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { - oso_dwarf->FindTypes (sc, name, parent_decl_ctx, append, max_matches, searched_symbol_files, types); - if (types.GetSize() >= max_matches) - return true; - else - return false; - }); - } + TypeMap &types) { + if (!append) + types.Clear(); + + const uint32_t initial_types_size = types.GetSize(); + SymbolFileDWARF *oso_dwarf; - return types.GetSize() - initial_types_size; + if (sc.comp_unit) { + oso_dwarf = GetSymbolFile(sc); + if (oso_dwarf) + return oso_dwarf->FindTypes(sc, name, parent_decl_ctx, append, + max_matches, searched_symbol_files, types); + } else { + ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { + oso_dwarf->FindTypes(sc, name, parent_decl_ctx, append, max_matches, + searched_symbol_files, types); + if (types.GetSize() >= max_matches) + return true; + else + return false; + }); + } + + return types.GetSize() - initial_types_size; } // -//uint32_t -//SymbolFileDWARFDebugMap::FindTypes (const SymbolContext& sc, const RegularExpression& regex, bool append, uint32_t max_matches, Type::Encoding encoding, lldb::user_id_t udt_uid, TypeList& types) +// uint32_t +// SymbolFileDWARFDebugMap::FindTypes (const SymbolContext& sc, const +// RegularExpression& regex, bool append, uint32_t max_matches, Type::Encoding +// encoding, lldb::user_id_t udt_uid, TypeList& types) //{ // SymbolFileDWARF *oso_dwarf = GetSymbolFile (sc); // if (oso_dwarf) -// return oso_dwarf->FindTypes (sc, regex, append, max_matches, encoding, udt_uid, types); +// return oso_dwarf->FindTypes (sc, regex, append, max_matches, encoding, +// udt_uid, types); // return 0; //} +CompilerDeclContext SymbolFileDWARFDebugMap::FindNamespace( + const lldb_private::SymbolContext &sc, + const lldb_private::ConstString &name, + const CompilerDeclContext *parent_decl_ctx) { + CompilerDeclContext matching_namespace; + SymbolFileDWARF *oso_dwarf; -CompilerDeclContext -SymbolFileDWARFDebugMap::FindNamespace (const lldb_private::SymbolContext& sc, - const lldb_private::ConstString &name, - const CompilerDeclContext *parent_decl_ctx) -{ - CompilerDeclContext matching_namespace; - SymbolFileDWARF *oso_dwarf; - - if (sc.comp_unit) - { - oso_dwarf = GetSymbolFile (sc); - if (oso_dwarf) - matching_namespace = oso_dwarf->FindNamespace (sc, name, parent_decl_ctx); - } - else - { - ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { - matching_namespace = oso_dwarf->FindNamespace (sc, name, parent_decl_ctx); + if (sc.comp_unit) { + oso_dwarf = GetSymbolFile(sc); + if (oso_dwarf) + matching_namespace = oso_dwarf->FindNamespace(sc, name, parent_decl_ctx); + } else { + ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { + matching_namespace = oso_dwarf->FindNamespace(sc, name, parent_decl_ctx); - return (bool)matching_namespace; - }); - } + return (bool)matching_namespace; + }); + } - return matching_namespace; + return matching_namespace; } //------------------------------------------------------------------ // PluginInterface protocol //------------------------------------------------------------------ -lldb_private::ConstString -SymbolFileDWARFDebugMap::GetPluginName() -{ - return GetPluginNameStatic(); +lldb_private::ConstString SymbolFileDWARFDebugMap::GetPluginName() { + return GetPluginNameStatic(); } -uint32_t -SymbolFileDWARFDebugMap::GetPluginVersion() -{ - return 1; -} +uint32_t SymbolFileDWARFDebugMap::GetPluginVersion() { return 1; } lldb::CompUnitSP -SymbolFileDWARFDebugMap::GetCompileUnit (SymbolFileDWARF *oso_dwarf) -{ - if (oso_dwarf) - { - const uint32_t cu_count = GetNumCompileUnits(); - for (uint32_t cu_idx=0; cu_idx<cu_count; ++cu_idx) - { - SymbolFileDWARF *oso_symfile = GetSymbolFileByCompUnitInfo (&m_compile_unit_infos[cu_idx]); - if (oso_symfile == oso_dwarf) - { - if (!m_compile_unit_infos[cu_idx].compile_unit_sp) - m_compile_unit_infos[cu_idx].compile_unit_sp = ParseCompileUnitAtIndex (cu_idx); - - return m_compile_unit_infos[cu_idx].compile_unit_sp; - } - } +SymbolFileDWARFDebugMap::GetCompileUnit(SymbolFileDWARF *oso_dwarf) { + if (oso_dwarf) { + const uint32_t cu_count = GetNumCompileUnits(); + for (uint32_t cu_idx = 0; cu_idx < cu_count; ++cu_idx) { + SymbolFileDWARF *oso_symfile = + GetSymbolFileByCompUnitInfo(&m_compile_unit_infos[cu_idx]); + if (oso_symfile == oso_dwarf) { + if (!m_compile_unit_infos[cu_idx].compile_unit_sp) + m_compile_unit_infos[cu_idx].compile_unit_sp = + ParseCompileUnitAtIndex(cu_idx); + + return m_compile_unit_infos[cu_idx].compile_unit_sp; + } } - assert(!"this shouldn't happen"); - return lldb::CompUnitSP(); + } + llvm_unreachable("this shouldn't happen"); } SymbolFileDWARFDebugMap::CompileUnitInfo * -SymbolFileDWARFDebugMap::GetCompileUnitInfo (SymbolFileDWARF *oso_dwarf) -{ - if (oso_dwarf) - { - const uint32_t cu_count = GetNumCompileUnits(); - for (uint32_t cu_idx=0; cu_idx<cu_count; ++cu_idx) - { - SymbolFileDWARF *oso_symfile = GetSymbolFileByCompUnitInfo (&m_compile_unit_infos[cu_idx]); - if (oso_symfile == oso_dwarf) - { - return &m_compile_unit_infos[cu_idx]; - } - } +SymbolFileDWARFDebugMap::GetCompileUnitInfo(SymbolFileDWARF *oso_dwarf) { + if (oso_dwarf) { + const uint32_t cu_count = GetNumCompileUnits(); + for (uint32_t cu_idx = 0; cu_idx < cu_count; ++cu_idx) { + SymbolFileDWARF *oso_symfile = + GetSymbolFileByCompUnitInfo(&m_compile_unit_infos[cu_idx]); + if (oso_symfile == oso_dwarf) { + return &m_compile_unit_infos[cu_idx]; + } } - return NULL; + } + return NULL; } -void -SymbolFileDWARFDebugMap::SetCompileUnit (SymbolFileDWARF *oso_dwarf, const CompUnitSP &cu_sp) -{ - if (oso_dwarf) - { - const uint32_t cu_count = GetNumCompileUnits(); - for (uint32_t cu_idx=0; cu_idx<cu_count; ++cu_idx) - { - SymbolFileDWARF *oso_symfile = GetSymbolFileByCompUnitInfo (&m_compile_unit_infos[cu_idx]); - if (oso_symfile == oso_dwarf) - { - if (m_compile_unit_infos[cu_idx].compile_unit_sp) - { - assert (m_compile_unit_infos[cu_idx].compile_unit_sp.get() == cu_sp.get()); - } - else - { - m_compile_unit_infos[cu_idx].compile_unit_sp = cu_sp; - m_obj_file->GetModule()->GetSymbolVendor()->SetCompileUnitAtIndex(cu_idx, cu_sp); - } - } +void SymbolFileDWARFDebugMap::SetCompileUnit(SymbolFileDWARF *oso_dwarf, + const CompUnitSP &cu_sp) { + if (oso_dwarf) { + const uint32_t cu_count = GetNumCompileUnits(); + for (uint32_t cu_idx = 0; cu_idx < cu_count; ++cu_idx) { + SymbolFileDWARF *oso_symfile = + GetSymbolFileByCompUnitInfo(&m_compile_unit_infos[cu_idx]); + if (oso_symfile == oso_dwarf) { + if (m_compile_unit_infos[cu_idx].compile_unit_sp) { + assert(m_compile_unit_infos[cu_idx].compile_unit_sp.get() == + cu_sp.get()); + } else { + m_compile_unit_infos[cu_idx].compile_unit_sp = cu_sp; + m_obj_file->GetModule()->GetSymbolVendor()->SetCompileUnitAtIndex( + cu_idx, cu_sp); } + } } + } } CompilerDeclContext -SymbolFileDWARFDebugMap::GetDeclContextForUID (lldb::user_id_t type_uid) -{ - const uint64_t oso_idx = GetOSOIndexFromUserID (type_uid); - SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex (oso_idx); - if (oso_dwarf) - return oso_dwarf->GetDeclContextForUID (type_uid); - return CompilerDeclContext(); +SymbolFileDWARFDebugMap::GetDeclContextForUID(lldb::user_id_t type_uid) { + const uint64_t oso_idx = GetOSOIndexFromUserID(type_uid); + SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex(oso_idx); + if (oso_dwarf) + return oso_dwarf->GetDeclContextForUID(type_uid); + return CompilerDeclContext(); } CompilerDeclContext -SymbolFileDWARFDebugMap::GetDeclContextContainingUID (lldb::user_id_t type_uid) -{ - const uint64_t oso_idx = GetOSOIndexFromUserID (type_uid); - SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex (oso_idx); - if (oso_dwarf) - return oso_dwarf->GetDeclContextContainingUID (type_uid); - return CompilerDeclContext(); -} - -void -SymbolFileDWARFDebugMap::ParseDeclsForContext (lldb_private::CompilerDeclContext decl_ctx) -{ - ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { - oso_dwarf->ParseDeclsForContext (decl_ctx); - return true; // Keep iterating - }); -} - -bool -SymbolFileDWARFDebugMap::AddOSOFileRange (CompileUnitInfo *cu_info, - lldb::addr_t exe_file_addr, - lldb::addr_t exe_byte_size, - lldb::addr_t oso_file_addr, - lldb::addr_t oso_byte_size) -{ - const uint32_t debug_map_idx = m_debug_map.FindEntryIndexThatContains(exe_file_addr); - if (debug_map_idx != UINT32_MAX) - { - DebugMap::Entry *debug_map_entry = m_debug_map.FindEntryThatContains(exe_file_addr); - debug_map_entry->data.SetOSOFileAddress(oso_file_addr); - addr_t range_size = std::min<addr_t>(exe_byte_size, oso_byte_size); - if (range_size == 0) - { - range_size = std::max<addr_t>(exe_byte_size, oso_byte_size); - if (range_size == 0) - range_size = 1; - } - cu_info->file_range_map.Append(FileRangeMap::Entry(oso_file_addr, range_size, exe_file_addr)); - return true; +SymbolFileDWARFDebugMap::GetDeclContextContainingUID(lldb::user_id_t type_uid) { + const uint64_t oso_idx = GetOSOIndexFromUserID(type_uid); + SymbolFileDWARF *oso_dwarf = GetSymbolFileByOSOIndex(oso_idx); + if (oso_dwarf) + return oso_dwarf->GetDeclContextContainingUID(type_uid); + return CompilerDeclContext(); +} + +void SymbolFileDWARFDebugMap::ParseDeclsForContext( + lldb_private::CompilerDeclContext decl_ctx) { + ForEachSymbolFile([&](SymbolFileDWARF *oso_dwarf) -> bool { + oso_dwarf->ParseDeclsForContext(decl_ctx); + return true; // Keep iterating + }); +} + +bool SymbolFileDWARFDebugMap::AddOSOFileRange(CompileUnitInfo *cu_info, + lldb::addr_t exe_file_addr, + lldb::addr_t exe_byte_size, + lldb::addr_t oso_file_addr, + lldb::addr_t oso_byte_size) { + const uint32_t debug_map_idx = + m_debug_map.FindEntryIndexThatContains(exe_file_addr); + if (debug_map_idx != UINT32_MAX) { + DebugMap::Entry *debug_map_entry = + m_debug_map.FindEntryThatContains(exe_file_addr); + debug_map_entry->data.SetOSOFileAddress(oso_file_addr); + addr_t range_size = std::min<addr_t>(exe_byte_size, oso_byte_size); + if (range_size == 0) { + range_size = std::max<addr_t>(exe_byte_size, oso_byte_size); + if (range_size == 0) + range_size = 1; } - return false; + cu_info->file_range_map.Append( + FileRangeMap::Entry(oso_file_addr, range_size, exe_file_addr)); + return true; + } + return false; } -void -SymbolFileDWARFDebugMap::FinalizeOSOFileRanges (CompileUnitInfo *cu_info) -{ - cu_info->file_range_map.Sort(); +void SymbolFileDWARFDebugMap::FinalizeOSOFileRanges(CompileUnitInfo *cu_info) { + cu_info->file_range_map.Sort(); #if defined(DEBUG_OSO_DMAP) - const FileRangeMap &oso_file_range_map = cu_info->GetFileRangeMap(this); - const size_t n = oso_file_range_map.GetSize(); - printf ("SymbolFileDWARFDebugMap::FinalizeOSOFileRanges (cu_info = %p) %s\n", - cu_info, - cu_info->oso_sp->module_sp->GetFileSpec().GetPath().c_str()); - for (size_t i=0; i<n; ++i) - { - const FileRangeMap::Entry &entry = oso_file_range_map.GetEntryRef(i); - printf ("oso [0x%16.16" PRIx64 " - 0x%16.16" PRIx64 ") ==> exe [0x%16.16" PRIx64 " - 0x%16.16" PRIx64 ")\n", - entry.GetRangeBase(), entry.GetRangeEnd(), - entry.data, entry.data + entry.GetByteSize()); - } + const FileRangeMap &oso_file_range_map = cu_info->GetFileRangeMap(this); + const size_t n = oso_file_range_map.GetSize(); + printf("SymbolFileDWARFDebugMap::FinalizeOSOFileRanges (cu_info = %p) %s\n", + cu_info, cu_info->oso_sp->module_sp->GetFileSpec().GetPath().c_str()); + for (size_t i = 0; i < n; ++i) { + const FileRangeMap::Entry &entry = oso_file_range_map.GetEntryRef(i); + printf("oso [0x%16.16" PRIx64 " - 0x%16.16" PRIx64 + ") ==> exe [0x%16.16" PRIx64 " - 0x%16.16" PRIx64 ")\n", + entry.GetRangeBase(), entry.GetRangeEnd(), entry.data, + entry.data + entry.GetByteSize()); + } #endif } lldb::addr_t -SymbolFileDWARFDebugMap::LinkOSOFileAddress (SymbolFileDWARF *oso_symfile, lldb::addr_t oso_file_addr) -{ - CompileUnitInfo *cu_info = GetCompileUnitInfo (oso_symfile); - if (cu_info) - { - const FileRangeMap::Entry *oso_range_entry = cu_info->GetFileRangeMap(this).FindEntryThatContains(oso_file_addr); - if (oso_range_entry) - { - const DebugMap::Entry *debug_map_entry = m_debug_map.FindEntryThatContains(oso_range_entry->data); - if (debug_map_entry) - { - const lldb::addr_t offset = oso_file_addr - oso_range_entry->GetRangeBase(); - const lldb::addr_t exe_file_addr = debug_map_entry->GetRangeBase() + offset; - return exe_file_addr; - } - } +SymbolFileDWARFDebugMap::LinkOSOFileAddress(SymbolFileDWARF *oso_symfile, + lldb::addr_t oso_file_addr) { + CompileUnitInfo *cu_info = GetCompileUnitInfo(oso_symfile); + if (cu_info) { + const FileRangeMap::Entry *oso_range_entry = + cu_info->GetFileRangeMap(this).FindEntryThatContains(oso_file_addr); + if (oso_range_entry) { + const DebugMap::Entry *debug_map_entry = + m_debug_map.FindEntryThatContains(oso_range_entry->data); + if (debug_map_entry) { + const lldb::addr_t offset = + oso_file_addr - oso_range_entry->GetRangeBase(); + const lldb::addr_t exe_file_addr = + debug_map_entry->GetRangeBase() + offset; + return exe_file_addr; + } } - return LLDB_INVALID_ADDRESS; -} - -bool -SymbolFileDWARFDebugMap::LinkOSOAddress (Address &addr) -{ - // Make sure this address hasn't been fixed already - Module *exe_module = GetObjectFile()->GetModule().get(); - Module *addr_module = addr.GetModule().get(); - if (addr_module == exe_module) - return true; // Address is already in terms of the main executable module - - CompileUnitInfo *cu_info = GetCompileUnitInfo (GetSymbolFileAsSymbolFileDWARF(addr_module->GetSymbolVendor()->GetSymbolFile())); - if (cu_info) - { - const lldb::addr_t oso_file_addr = addr.GetFileAddress(); - const FileRangeMap::Entry *oso_range_entry = cu_info->GetFileRangeMap(this).FindEntryThatContains(oso_file_addr); - if (oso_range_entry) - { - const DebugMap::Entry *debug_map_entry = m_debug_map.FindEntryThatContains(oso_range_entry->data); - if (debug_map_entry) - { - const lldb::addr_t offset = oso_file_addr - oso_range_entry->GetRangeBase(); - const lldb::addr_t exe_file_addr = debug_map_entry->GetRangeBase() + offset; - return exe_module->ResolveFileAddress(exe_file_addr, addr); - } - } + } + return LLDB_INVALID_ADDRESS; +} + +bool SymbolFileDWARFDebugMap::LinkOSOAddress(Address &addr) { + // Make sure this address hasn't been fixed already + Module *exe_module = GetObjectFile()->GetModule().get(); + Module *addr_module = addr.GetModule().get(); + if (addr_module == exe_module) + return true; // Address is already in terms of the main executable module + + CompileUnitInfo *cu_info = GetCompileUnitInfo(GetSymbolFileAsSymbolFileDWARF( + addr_module->GetSymbolVendor()->GetSymbolFile())); + if (cu_info) { + const lldb::addr_t oso_file_addr = addr.GetFileAddress(); + const FileRangeMap::Entry *oso_range_entry = + cu_info->GetFileRangeMap(this).FindEntryThatContains(oso_file_addr); + if (oso_range_entry) { + const DebugMap::Entry *debug_map_entry = + m_debug_map.FindEntryThatContains(oso_range_entry->data); + if (debug_map_entry) { + const lldb::addr_t offset = + oso_file_addr - oso_range_entry->GetRangeBase(); + const lldb::addr_t exe_file_addr = + debug_map_entry->GetRangeBase() + offset; + return exe_module->ResolveFileAddress(exe_file_addr, addr); + } } - return true; + } + return true; } -LineTable * -SymbolFileDWARFDebugMap::LinkOSOLineTable (SymbolFileDWARF *oso_dwarf, LineTable *line_table) -{ - CompileUnitInfo *cu_info = GetCompileUnitInfo (oso_dwarf); - if (cu_info) - return line_table->LinkLineTable(cu_info->GetFileRangeMap(this)); - return NULL; +LineTable *SymbolFileDWARFDebugMap::LinkOSOLineTable(SymbolFileDWARF *oso_dwarf, + LineTable *line_table) { + CompileUnitInfo *cu_info = GetCompileUnitInfo(oso_dwarf); + if (cu_info) + return line_table->LinkLineTable(cu_info->GetFileRangeMap(this)); + return NULL; } size_t -SymbolFileDWARFDebugMap::AddOSOARanges (SymbolFileDWARF* dwarf2Data, DWARFDebugAranges* debug_aranges) -{ - size_t num_line_entries_added = 0; - if (debug_aranges && dwarf2Data) - { - CompileUnitInfo *compile_unit_info = GetCompileUnitInfo(dwarf2Data); - if (compile_unit_info) - { - const FileRangeMap &file_range_map = compile_unit_info->GetFileRangeMap(this); - for (size_t idx = 0; - idx < file_range_map.GetSize(); - idx++) - { - const FileRangeMap::Entry* entry = file_range_map.GetEntryAtIndex(idx); - if (entry) - { - debug_aranges->AppendRange(dwarf2Data->GetID(), entry->GetRangeBase(), entry->GetRangeEnd()); - num_line_entries_added++; - } - } +SymbolFileDWARFDebugMap::AddOSOARanges(SymbolFileDWARF *dwarf2Data, + DWARFDebugAranges *debug_aranges) { + size_t num_line_entries_added = 0; + if (debug_aranges && dwarf2Data) { + CompileUnitInfo *compile_unit_info = GetCompileUnitInfo(dwarf2Data); + if (compile_unit_info) { + const FileRangeMap &file_range_map = + compile_unit_info->GetFileRangeMap(this); + for (size_t idx = 0; idx < file_range_map.GetSize(); idx++) { + const FileRangeMap::Entry *entry = file_range_map.GetEntryAtIndex(idx); + if (entry) { + debug_aranges->AppendRange(dwarf2Data->GetID(), entry->GetRangeBase(), + entry->GetRangeEnd()); + num_line_entries_added++; } + } } - return num_line_entries_added; + } + return num_line_entries_added; } |
