| // Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file | |
| // for details. All rights reserved. Use of this source code is governed by a | |
| // BSD-style license that can be found in the LICENSE file. | |
| #include <type_traits> | |
| #include "vm/raw_object_fields.h" | |
| namespace dart { | |
| #if defined(DART_PRECOMPILER) || defined(DART_ENABLE_HEAP_SNAPSHOT_WRITER) | |
| // The list contains concrete classes and all of their fields (including ones | |
| // from super hierarchy) | |
| // If a class is listed here, only the fields in the list will appear in | |
| // heapsnapshots. | |
| #define COMMON_CLASSES_AND_FIELDS(F) \ | |
| F(Class, name_) \ | |
| F(Class, functions_) \ | |
| F(Class, functions_hash_table_) \ | |
| F(Class, fields_) \ | |
| F(Class, offset_in_words_to_field_) \ | |
| F(Class, interfaces_) \ | |
| F(Class, script_) \ | |
| F(Class, library_) \ | |
| F(Class, type_parameters_) \ | |
| F(Class, super_type_) \ | |
| F(Class, constants_) \ | |
| F(Class, declaration_type_) \ | |
| F(Class, invocation_dispatcher_cache_) \ | |
| F(Class, declaration_instance_type_arguments_) \ | |
| F(PatchClass, wrapped_class_) \ | |
| F(PatchClass, script_) \ | |
| F(Function, name_) \ | |
| F(Function, owner_) \ | |
| F(Function, signature_) \ | |
| F(Function, data_) \ | |
| F(Function, ic_data_array_or_bytecode_) \ | |
| F(Function, code_) \ | |
| F(ClosureData, context_scope_) \ | |
| F(ClosureData, parent_function_) \ | |
| F(ClosureData, closure_) \ | |
| F(Field, name_) \ | |
| F(Field, owner_) \ | |
| F(Field, type_) \ | |
| F(Field, initializer_function_) \ | |
| F(Field, host_offset_or_field_id_) \ | |
| F(Field, guarded_list_length_) \ | |
| F(Field, dependent_code_) \ | |
| F(Script, url_) \ | |
| F(Script, resolved_url_) \ | |
| F(Script, line_starts_) \ | |
| F(Script, debug_positions_) \ | |
| F(Script, kernel_program_info_) \ | |
| F(Script, source_) \ | |
| F(Library, name_) \ | |
| F(Library, url_) \ | |
| F(Library, private_key_) \ | |
| F(Library, dictionary_) \ | |
| F(Library, metadata_) \ | |
| F(Library, toplevel_class_) \ | |
| F(Library, used_scripts_) \ | |
| F(Library, loading_unit_) \ | |
| F(Library, imports_) \ | |
| F(Library, exports_) \ | |
| F(Library, dependencies_) \ | |
| F(Library, loaded_scripts_) \ | |
| F(Namespace, target_) \ | |
| F(Namespace, show_names_) \ | |
| F(Namespace, hide_names_) \ | |
| F(Namespace, owner_) \ | |
| F(KernelProgramInfo, kernel_component_) \ | |
| F(KernelProgramInfo, string_offsets_) \ | |
| F(KernelProgramInfo, string_data_) \ | |
| F(KernelProgramInfo, canonical_names_) \ | |
| F(KernelProgramInfo, metadata_payloads_) \ | |
| F(KernelProgramInfo, metadata_mappings_) \ | |
| F(KernelProgramInfo, scripts_) \ | |
| F(KernelProgramInfo, constants_) \ | |
| F(KernelProgramInfo, constants_table_) \ | |
| F(KernelProgramInfo, libraries_cache_) \ | |
| F(KernelProgramInfo, classes_cache_) \ | |
| F(WeakSerializationReference, target_) \ | |
| F(WeakSerializationReference, replacement_) \ | |
| F(WeakArray, length_) \ | |
| F(Code, object_pool_) \ | |
| F(Code, instructions_) \ | |
| F(Code, owner_) \ | |
| F(Code, exception_handlers_) \ | |
| F(Code, pc_descriptors_) \ | |
| F(Code, catch_entry_) \ | |
| F(Code, compressed_stackmaps_) \ | |
| F(Code, inlined_id_to_function_) \ | |
| F(Code, code_source_map_) \ | |
| F(Bytecode, object_pool_) \ | |
| F(Bytecode, instructions_) \ | |
| F(Bytecode, function_) \ | |
| F(Bytecode, exception_handlers_) \ | |
| F(Bytecode, pc_descriptors_) \ | |
| F(Bytecode, closures_) \ | |
| F(ExceptionHandlers, handled_types_data_) \ | |
| F(Context, parent_) \ | |
| F(SingleTargetCache, target_) \ | |
| F(UnlinkedCall, target_name_) \ | |
| F(UnlinkedCall, args_descriptor_) \ | |
| F(MonomorphicSmiableCall, expected_cid_) \ | |
| F(MonomorphicSmiableCall, entrypoint_) \ | |
| F(CallSiteData, target_name_) \ | |
| F(CallSiteData, args_descriptor_) \ | |
| F(ICData, target_name_) \ | |
| F(ICData, args_descriptor_) \ | |
| F(ICData, entries_) \ | |
| F(ICData, owner_) \ | |
| F(InstructionsTable, code_objects_) \ | |
| F(MegamorphicCache, target_name_) \ | |
| F(MegamorphicCache, args_descriptor_) \ | |
| F(MegamorphicCache, buckets_) \ | |
| F(MegamorphicCache, mask_) \ | |
| F(SubtypeTestCache, cache_) \ | |
| F(LoadingUnit, parent_) \ | |
| F(LoadingUnit, base_objects_) \ | |
| F(ApiError, message_) \ | |
| F(LanguageError, previous_error_) \ | |
| F(LanguageError, script_) \ | |
| F(LanguageError, message_) \ | |
| F(LanguageError, formatted_message_) \ | |
| F(UnhandledException, exception_) \ | |
| F(UnhandledException, stacktrace_) \ | |
| F(UnwindError, message_) \ | |
| F(LibraryPrefix, name_) \ | |
| F(LibraryPrefix, importer_) \ | |
| F(LibraryPrefix, imports_) \ | |
| F(TypeArguments, instantiations_) \ | |
| F(TypeArguments, length_) \ | |
| F(TypeArguments, hash_) \ | |
| F(TypeArguments, nullability_) \ | |
| F(AbstractType, type_test_stub_) \ | |
| F(Type, type_test_stub_) \ | |
| F(Type, arguments_) \ | |
| F(Type, hash_) \ | |
| F(FunctionType, type_test_stub_) \ | |
| F(FunctionType, hash_) \ | |
| F(FunctionType, result_type_) \ | |
| F(FunctionType, parameter_types_) \ | |
| F(FunctionType, named_parameter_names_) \ | |
| F(FunctionType, type_parameters_) \ | |
| F(TypeParameter, type_test_stub_) \ | |
| F(TypeParameter, hash_) \ | |
| F(TypeParameter, owner_) \ | |
| F(TypeParameters, names_) \ | |
| F(TypeParameters, flags_) \ | |
| F(TypeParameters, bounds_) \ | |
| F(TypeParameters, defaults_) \ | |
| F(Closure, function_) \ | |
| F(Closure, length_and_flags_) \ | |
| F(Closure, hash_) \ | |
| F(String, length_) \ | |
| F(Array, length_) \ | |
| F(ImmutableArray, length_) \ | |
| F(GrowableObjectArray, length_) \ | |
| F(GrowableObjectArray, data_) \ | |
| F(LinkedHashBase, hash_mask_) \ | |
| F(LinkedHashBase, data_) \ | |
| F(LinkedHashBase, used_data_) \ | |
| F(LinkedHashBase, deleted_keys_) \ | |
| F(LinkedHashBase, index_) \ | |
| F(TypedData, length_) \ | |
| F(ExternalTypedData, length_) \ | |
| F(ReceivePort, send_port_) \ | |
| F(ReceivePort, handler_) \ | |
| F(ReceivePort, bitfield_) \ | |
| F(StackTrace, async_link_) \ | |
| F(StackTrace, code_array_) \ | |
| F(StackTrace, pc_offset_array_) \ | |
| F(RegExp, num_bracket_expressions_) \ | |
| F(RegExp, capture_name_map_) \ | |
| F(RegExp, pattern_) \ | |
| F(RegExp, one_byte_) \ | |
| F(RegExp, two_byte_) \ | |
| F(RegExp, one_byte_sticky_) \ | |
| F(RegExp, two_byte_sticky_) \ | |
| F(SuspendState, function_data_) \ | |
| F(SuspendState, then_callback_) \ | |
| F(SuspendState, error_callback_) \ | |
| F(WeakProperty, key_) \ | |
| F(WeakProperty, value_) \ | |
| F(WeakReference, target_) \ | |
| F(Finalizer, detachments_) \ | |
| F(Finalizer, all_entries_) \ | |
| F(Finalizer, entries_collected_) \ | |
| F(Finalizer, callback_) \ | |
| F(NativeFinalizer, detachments_) \ | |
| F(NativeFinalizer, all_entries_) \ | |
| F(NativeFinalizer, entries_collected_) \ | |
| F(NativeFinalizer, callback_) \ | |
| F(FinalizerEntry, value_) \ | |
| F(FinalizerEntry, detach_) \ | |
| F(FinalizerEntry, token_) \ | |
| F(FinalizerEntry, finalizer_) \ | |
| F(FinalizerEntry, next_) \ | |
| F(MirrorReference, referent_) \ | |
| F(UserTag, label_) \ | |
| F(Pointer, data_) \ | |
| F(DynamicLibrary, handle_) \ | |
| F(DynamicLibrary, dlsym_) \ | |
| F(DynamicLibrary, dlclose_) \ | |
| F(DynamicLibrary, is_closed_) \ | |
| F(FfiTrampolineData, c_signature_) \ | |
| F(FfiTrampolineData, callback_target_) \ | |
| F(FfiTrampolineData, callback_exceptional_return_) \ | |
| F(TypedDataView, length_) \ | |
| F(TypedDataView, typed_data_) \ | |
| F(TypedDataView, offset_in_bytes_) | |
| #define AOT_CLASSES_AND_FIELDS(F) | |
| #define AOT_NON_PRODUCT_CLASSES_AND_FIELDS(F) \ | |
| F(Class, direct_implementors_) \ | |
| F(Class, direct_subclasses_) | |
| #define JIT_CLASSES_AND_FIELDS(F) \ | |
| F(Class, direct_implementors_) \ | |
| F(Class, direct_subclasses_) \ | |
| F(Class, allocation_stub_) \ | |
| F(Class, dependent_code_) \ | |
| F(Library, kernel_program_info_) \ | |
| F(Code, active_instructions_) \ | |
| F(Code, deopt_info_array_) \ | |
| F(Code, static_calls_target_table_) \ | |
| F(ICData, receivers_static_type_) \ | |
| F(Field, inferred_type_) \ | |
| F(Function, positional_parameter_names_) \ | |
| F(Function, unoptimized_code_) | |
| #define JIT_NON_PRODUCT_CLASSES_AND_FIELDS(F) F(Script, constant_coverage_) | |
| #define NON_PRODUCT_CLASSES_AND_FIELDS(F) \ | |
| F(Class, user_name_) \ | |
| F(Code, return_address_metadata_) \ | |
| F(Code, var_descriptors_) \ | |
| F(Code, comments_) \ | |
| F(ReceivePort, debug_name_) \ | |
| F(ReceivePort, allocation_location_) | |
| #define NON_HEADER_HASH_CLASSES_AND_FIELDS(F) F(String, hash_) | |
| OffsetsTable::OffsetsTable(Zone* zone) : cached_offsets_(zone) { | |
| for (const OffsetsTableEntry& entry : OffsetsTable::offsets_table()) { | |
| cached_offsets_.Insert({{entry.class_id, entry.offset}, entry.field_name}); | |
| } | |
| } | |
| const char* OffsetsTable::FieldNameForOffset(intptr_t class_id, | |
| intptr_t offset) { | |
| return cached_offsets_.LookupValue({class_id, offset}); | |
| } | |
| static MallocGrowableArray<OffsetsTable::OffsetsTableEntry> field_offsets_table; | |
| const MallocGrowableArray<OffsetsTable::OffsetsTableEntry>& | |
| OffsetsTable::offsets_table() { | |
| ASSERT(field_offsets_table.length() > 0); // Initialized. | |
| return field_offsets_table; | |
| } | |
| template <typename T> | |
| bool is_compressed_pointer() { | |
| return std::is_base_of<CompressedObjectPtr, T>::value; | |
| } | |
| void OffsetsTable::Init() { | |
| static const OffsetsTable::OffsetsTableEntry table[]{ | |
| #define DEFINE_OFFSETS_TABLE_ENTRY(class_name, field_name) \ | |
| {class_name::kClassId, #field_name, \ | |
| is_compressed_pointer<decltype(Untagged##class_name::field_name)>(), \ | |
| OFFSET_OF(Untagged##class_name, field_name)}, | |
| COMMON_CLASSES_AND_FIELDS(DEFINE_OFFSETS_TABLE_ENTRY) | |
| #if !defined(PRODUCT) | |
| NON_PRODUCT_CLASSES_AND_FIELDS(DEFINE_OFFSETS_TABLE_ENTRY) | |
| #endif | |
| #if !defined(HASH_IN_OBJECT_HEADER) | |
| NON_HEADER_HASH_CLASSES_AND_FIELDS(DEFINE_OFFSETS_TABLE_ENTRY) | |
| #endif | |
| #if defined(DART_PRECOMPILED_RUNTIME) | |
| AOT_CLASSES_AND_FIELDS(DEFINE_OFFSETS_TABLE_ENTRY) | |
| #if !defined(PRODUCT) | |
| AOT_NON_PRODUCT_CLASSES_AND_FIELDS( | |
| DEFINE_OFFSETS_TABLE_ENTRY) | |
| #endif | |
| #else | |
| JIT_CLASSES_AND_FIELDS(DEFINE_OFFSETS_TABLE_ENTRY) | |
| #if !defined(PRODUCT) | |
| JIT_NON_PRODUCT_CLASSES_AND_FIELDS(DEFINE_OFFSETS_TABLE_ENTRY) | |
| #endif | |
| #endif | |
| #undef DEFINE_OFFSETS_TABLE_ENTRY | |
| }; | |
| for (const OffsetsTableEntry& entry : table) { | |
| field_offsets_table.Add(entry); | |
| } | |
| } | |
| void OffsetsTable::Cleanup() { | |
| field_offsets_table.Clear(); | |
| } | |
| #endif | |
| } // namespace dart |