// Copyright (c) 2012, 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. #ifndef RUNTIME_VM_OBJECT_STORE_H_ #define RUNTIME_VM_OBJECT_STORE_H_ #include "vm/object.h" namespace dart { // Forward declarations. class Isolate; class ObjectPointerVisitor; // A list of the bootstrap libraries including CamelName and name. // // These are listed in the order that they are compiled (see vm/bootstrap.cc). #define FOR_EACH_BOOTSTRAP_LIBRARY(M) \ M(Core, core) \ M(Async, async) \ M(Collection, collection) \ M(Convert, convert) \ M(Developer, developer) \ M(Ffi, ffi) \ M(Internal, _internal) \ M(Isolate, isolate) \ M(Math, math) \ M(Mirrors, mirrors) \ M(Profiler, profiler) \ M(TypedData, typed_data) \ M(VMService, _vmservice) #define OBJECT_STORE_FIELD_LIST(R_, RW) \ RW(Class, object_class) \ RW(Type, object_type) \ RW(Class, null_class) \ RW(Type, null_type) \ RW(Type, function_type) \ RW(Type, type_type) \ RW(Class, closure_class) \ RW(Type, number_type) \ RW(Type, int_type) \ RW(Class, integer_implementation_class) \ RW(Type, int64_type) \ RW(Class, smi_class) \ RW(Type, smi_type) \ RW(Class, mint_class) \ RW(Type, mint_type) \ RW(Class, double_class) \ RW(Type, double_type) \ RW(Type, float32x4_type) \ RW(Type, int32x4_type) \ RW(Type, float64x2_type) \ RW(Type, string_type) \ RW(TypeArguments, type_argument_int) \ RW(TypeArguments, type_argument_double) \ RW(TypeArguments, type_argument_string) \ RW(TypeArguments, type_argument_string_dynamic) \ RW(TypeArguments, type_argument_string_string) \ RW(Class, compiletime_error_class) \ RW(Class, pragma_class) \ RW(Field, pragma_name) \ RW(Field, pragma_options) \ RW(Class, future_class) \ RW(Class, completer_class) \ RW(Class, symbol_class) \ RW(Class, one_byte_string_class) \ RW(Class, two_byte_string_class) \ RW(Class, external_one_byte_string_class) \ RW(Class, external_two_byte_string_class) \ RW(Type, bool_type) \ RW(Class, bool_class) \ RW(Class, array_class) \ RW(Type, array_type) \ RW(Class, immutable_array_class) \ RW(Class, growable_object_array_class) \ RW(Class, linked_hash_map_class) \ RW(Class, linked_hash_set_class) \ RW(Class, float32x4_class) \ RW(Class, int32x4_class) \ RW(Class, float64x2_class) \ RW(Class, error_class) \ RW(Class, weak_property_class) \ RW(Array, symbol_table) \ RW(Array, canonical_types) \ RW(Array, canonical_type_arguments) \ RW(Library, async_library) \ RW(Library, builtin_library) \ RW(Library, core_library) \ RW(Library, collection_library) \ RW(Library, convert_library) \ RW(Library, developer_library) \ RW(Library, ffi_library) \ RW(Library, _internal_library) \ RW(Library, isolate_library) \ RW(Library, math_library) \ RW(Library, mirrors_library) \ RW(Library, native_wrappers_library) \ RW(Library, profiler_library) \ RW(Library, root_library) \ RW(Library, typed_data_library) \ RW(Library, _vmservice_library) \ RW(GrowableObjectArray, libraries) \ RW(Array, libraries_map) \ RW(GrowableObjectArray, closure_functions) \ RW(GrowableObjectArray, pending_classes) \ RW(GrowableObjectArray, pending_unevaluated_const_fields) \ R_(GrowableObjectArray, pending_deferred_loads) \ R_(GrowableObjectArray, resume_capabilities) \ R_(GrowableObjectArray, exit_listeners) \ R_(GrowableObjectArray, error_listeners) \ RW(Instance, stack_overflow) \ RW(Instance, out_of_memory) \ RW(UnhandledException, preallocated_unhandled_exception) \ RW(StackTrace, preallocated_stack_trace) \ RW(Function, lookup_port_handler) \ RW(Function, handle_message_function) \ RW(Function, growable_list_factory) \ RW(Function, simple_instance_of_function) \ RW(Function, simple_instance_of_true_function) \ RW(Function, simple_instance_of_false_function) \ RW(Function, async_clear_thread_stack_trace) \ RW(Function, async_set_thread_stack_trace) \ RW(Function, async_star_move_next_helper) \ RW(Function, complete_on_async_return) \ RW(Class, async_star_stream_controller) \ RW(ObjectPool, global_object_pool) \ RW(Array, library_load_error_table) \ RW(Array, unique_dynamic_targets) \ RW(GrowableObjectArray, megamorphic_cache_table) \ RW(Code, build_method_extractor_code) \ RW(Code, null_error_stub_with_fpu_regs_stub) \ RW(Code, null_error_stub_without_fpu_regs_stub) \ RW(Code, stack_overflow_stub_with_fpu_regs_stub) \ RW(Code, stack_overflow_stub_without_fpu_regs_stub) \ RW(Code, write_barrier_wrappers_stub) \ RW(Code, array_write_barrier_stub) \ R_(Code, megamorphic_miss_code) \ R_(Function, megamorphic_miss_function) \ RW(Array, code_order_table) \ RW(Array, obfuscation_map) \ RW(GrowableObjectArray, changed_in_last_reload) \ RW(Class, ffi_pointer_class) \ RW(Class, ffi_native_type_class) \ // Please remember the last entry must be referred in the 'to' function below. // The object store is a per isolate instance which stores references to // objects used by the VM. class ObjectStore { public: enum BootstrapLibraryId { #define MAKE_ID(Name, _) k##Name, FOR_EACH_BOOTSTRAP_LIBRARY(MAKE_ID) #undef MAKE_ID }; ~ObjectStore(); #define DECLARE_GETTER(Type, name) \ Raw##Type* name() const { return name##_; } \ static intptr_t name##_offset() { return OFFSET_OF(ObjectStore, name##_); } #define DECLARE_GETTER_AND_SETTER(Type, name) \ DECLARE_GETTER(Type, name) \ void set_##name(const Type& value) { name##_ = value.raw(); } OBJECT_STORE_FIELD_LIST(DECLARE_GETTER, DECLARE_GETTER_AND_SETTER) #undef DECLARE_GETTER #undef DECLARE_GETTER_AND_SETTER RawLibrary* bootstrap_library(BootstrapLibraryId index) { switch (index) { #define MAKE_CASE(CamelName, name) \ case k##CamelName: \ return name##_library_; FOR_EACH_BOOTSTRAP_LIBRARY(MAKE_CASE) #undef MAKE_CASE default: UNREACHABLE(); return Library::null(); } } void set_bootstrap_library(BootstrapLibraryId index, const Library& value) { switch (index) { #define MAKE_CASE(CamelName, name) \ case k##CamelName: \ name##_library_ = value.raw(); \ break; FOR_EACH_BOOTSTRAP_LIBRARY(MAKE_CASE) #undef MAKE_CASE default: UNREACHABLE(); } } void clear_pending_deferred_loads() { pending_deferred_loads_ = GrowableObjectArray::New(); } void SetMegamorphicMissHandler(const Code& code, const Function& func) { // Hold onto the code so it is traced and not detached from the function. megamorphic_miss_code_ = code.raw(); megamorphic_miss_function_ = func.raw(); } // Visit all object pointers. void VisitObjectPointers(ObjectPointerVisitor* visitor); // Called to initialize objects required by the vm but which invoke // dart code. If an error occurs the error object is returned otherwise // a null object is returned. RawError* PreallocateObjects(); void InitKnownObjects(); static void Init(Isolate* isolate); #ifndef PRODUCT void PrintToJSONObject(JSONObject* jsobj); #endif private: ObjectStore(); // Finds a core library private method in Object. RawFunction* PrivateObjectLookup(const String& name); RawObject** from() { return reinterpret_cast(&object_class_); } #define DECLARE_OBJECT_STORE_FIELD(type, name) Raw##type* name##_; OBJECT_STORE_FIELD_LIST(DECLARE_OBJECT_STORE_FIELD, DECLARE_OBJECT_STORE_FIELD) #undef DECLARE_OBJECT_STORE_FIELD RawObject** to() { return reinterpret_cast(&ffi_pointer_class_); } RawObject** to_snapshot(Snapshot::Kind kind) { switch (kind) { case Snapshot::kFull: return reinterpret_cast(&library_load_error_table_); case Snapshot::kFullJIT: case Snapshot::kFullAOT: return reinterpret_cast(&megamorphic_miss_function_); case Snapshot::kMessage: case Snapshot::kNone: case Snapshot::kInvalid: break; } UNREACHABLE(); return NULL; } friend class Serializer; friend class Deserializer; DISALLOW_COPY_AND_ASSIGN(ObjectStore); }; } // namespace dart #endif // RUNTIME_VM_OBJECT_STORE_H_