Ryan Macnak
bc53ecefae
Change-Id: I50ed4b5e0adbf98f157fec0905dfbb2ce38cd285 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/140942 Reviewed-by: Alexander Aprelev <aam@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
313 lines
18 KiB
C++
313 lines
18 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_VM_OBJECT_STORE_H_
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#define RUNTIME_VM_OBJECT_STORE_H_
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#include "vm/object.h"
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namespace dart {
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// Forward declarations.
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class Isolate;
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class ObjectPointerVisitor;
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// A list of the bootstrap libraries including CamelName and name.
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//
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// These are listed in the order that they are compiled (see vm/bootstrap.cc).
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#define FOR_EACH_BOOTSTRAP_LIBRARY(M) \
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M(Core, core) \
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M(Async, async) \
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M(Collection, collection) \
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M(Convert, convert) \
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M(Developer, developer) \
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M(Ffi, ffi) \
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M(Internal, _internal) \
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M(Isolate, isolate) \
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M(Math, math) \
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M(Mirrors, mirrors) \
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M(TypedData, typed_data) \
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M(VMService, _vmservice) \
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M(Wasm, wasm)
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// TODO(liama): Once NNBD is enabled, *_type will be deleted and all uses will
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// be replaced with *_type_non_nullable. Later, once we drop support for opted
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// out code, *_type_legacy will be deleted.
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#define OBJECT_STORE_FIELD_LIST(R_, RW) \
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RW(Class, object_class) \
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RW(Type, object_type) \
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RW(Type, legacy_object_type) \
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RW(Type, non_nullable_object_type) \
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RW(Type, nullable_object_type) \
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RW(Class, null_class) \
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RW(Type, null_type) \
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RW(Type, function_type) \
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RW(Type, legacy_function_type) \
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RW(Type, non_nullable_function_type) \
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RW(Type, type_type) \
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RW(Class, closure_class) \
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RW(Type, number_type) \
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RW(Type, legacy_number_type) \
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RW(Type, non_nullable_number_type) \
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RW(Type, int_type) \
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RW(Type, legacy_int_type) \
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RW(Type, non_nullable_int_type) \
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RW(Class, integer_implementation_class) \
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RW(Type, int64_type) \
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RW(Class, smi_class) \
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RW(Type, smi_type) \
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RW(Type, legacy_smi_type) \
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RW(Type, non_nullable_smi_type) \
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RW(Class, mint_class) \
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RW(Type, mint_type) \
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RW(Type, legacy_mint_type) \
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RW(Type, non_nullable_mint_type) \
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RW(Class, double_class) \
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RW(Type, double_type) \
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RW(Type, legacy_double_type) \
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RW(Type, non_nullable_double_type) \
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RW(Type, float32x4_type) \
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RW(Type, int32x4_type) \
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RW(Type, float64x2_type) \
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RW(Type, string_type) \
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RW(Type, legacy_string_type) \
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RW(Type, non_nullable_string_type) \
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RW(Type, non_nullable_list_rare_type) /* maybe be null, lazily built */ \
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RW(Type, non_nullable_map_rare_type) /* maybe be null, lazily built */ \
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RW(Type, non_nullable_future_rare_type) /* maybe be null, lazily built */ \
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RW(TypeArguments, type_argument_int) \
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RW(TypeArguments, type_argument_legacy_int) \
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RW(TypeArguments, type_argument_non_nullable_int) \
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RW(TypeArguments, type_argument_double) \
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RW(TypeArguments, type_argument_legacy_double) \
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RW(TypeArguments, type_argument_non_nullable_double) \
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RW(TypeArguments, type_argument_string) \
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RW(TypeArguments, type_argument_legacy_string) \
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RW(TypeArguments, type_argument_non_nullable_string) \
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RW(TypeArguments, type_argument_string_dynamic) \
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RW(TypeArguments, type_argument_legacy_string_dynamic) \
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RW(TypeArguments, type_argument_non_nullable_string_dynamic) \
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RW(TypeArguments, type_argument_string_string) \
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RW(TypeArguments, type_argument_legacy_string_legacy_string) \
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RW(TypeArguments, type_argument_non_nullable_string_non_nullable_string) \
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RW(Class, compiletime_error_class) \
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RW(Class, pragma_class) \
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RW(Field, pragma_name) \
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RW(Field, pragma_options) \
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RW(Class, future_class) \
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RW(Type, non_nullable_future_never_type) /* maybe be null, lazily built */ \
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RW(Type, nullable_future_null_type) /* maybe be null, lazily built */ \
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RW(Class, completer_class) \
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RW(Class, symbol_class) \
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RW(Class, one_byte_string_class) \
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RW(Class, two_byte_string_class) \
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RW(Class, external_one_byte_string_class) \
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RW(Class, external_two_byte_string_class) \
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RW(Type, bool_type) \
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RW(Type, legacy_bool_type) \
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RW(Type, non_nullable_bool_type) \
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RW(Class, bool_class) \
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RW(Class, array_class) \
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RW(Type, array_type) \
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RW(Type, legacy_array_type) \
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RW(Type, non_nullable_array_type) \
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RW(Class, immutable_array_class) \
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RW(Class, growable_object_array_class) \
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RW(Class, linked_hash_map_class) \
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RW(Class, linked_hash_set_class) \
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RW(Class, float32x4_class) \
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RW(Class, int32x4_class) \
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RW(Class, float64x2_class) \
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RW(Class, error_class) \
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RW(Class, weak_property_class) \
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RW(Array, symbol_table) \
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RW(Array, canonical_types) \
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RW(Array, canonical_type_arguments) \
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RW(Library, async_library) \
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RW(Library, builtin_library) \
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RW(Library, core_library) \
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RW(Library, collection_library) \
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RW(Library, convert_library) \
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RW(Library, developer_library) \
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RW(Library, ffi_library) \
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RW(Library, _internal_library) \
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RW(Library, isolate_library) \
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RW(Library, math_library) \
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RW(Library, mirrors_library) \
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RW(Library, native_wrappers_library) \
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RW(Library, profiler_library) \
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RW(Library, root_library) \
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RW(Library, typed_data_library) \
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RW(Library, _vmservice_library) \
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RW(Library, wasm_library) \
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RW(GrowableObjectArray, libraries) \
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RW(Array, libraries_map) \
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RW(GrowableObjectArray, closure_functions) \
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RW(GrowableObjectArray, pending_classes) \
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RW(Instance, stack_overflow) \
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RW(Instance, out_of_memory) \
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RW(UnhandledException, preallocated_unhandled_exception) \
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RW(StackTrace, preallocated_stack_trace) \
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RW(Function, lookup_port_handler) \
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RW(Function, handle_message_function) \
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RW(Function, growable_list_factory) \
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RW(Function, simple_instance_of_function) \
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RW(Function, simple_instance_of_true_function) \
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RW(Function, simple_instance_of_false_function) \
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RW(Function, async_clear_thread_stack_trace) \
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RW(Function, async_set_thread_stack_trace) \
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RW(Function, async_star_move_next_helper) \
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RW(Function, complete_on_async_return) \
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RW(Class, async_star_stream_controller) \
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RW(Array, bytecode_attributes) \
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RW(Array, saved_unlinked_calls) \
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RW(GrowableObjectArray, llvm_constant_pool) \
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RW(GrowableObjectArray, llvm_function_pool) \
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RW(Array, llvm_constant_hash_table) \
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RW(CompressedStackMaps, canonicalized_stack_map_entries) \
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RW(ObjectPool, global_object_pool) \
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RW(Array, unique_dynamic_targets) \
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RW(GrowableObjectArray, megamorphic_cache_table) \
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RW(Code, build_method_extractor_code) \
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RW(Code, dispatch_table_null_error_stub) \
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RW(Code, null_error_stub_with_fpu_regs_stub) \
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RW(Code, null_error_stub_without_fpu_regs_stub) \
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RW(Code, null_arg_error_stub_with_fpu_regs_stub) \
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RW(Code, null_arg_error_stub_without_fpu_regs_stub) \
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RW(Code, allocate_mint_with_fpu_regs_stub) \
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RW(Code, allocate_mint_without_fpu_regs_stub) \
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RW(Code, stack_overflow_stub_with_fpu_regs_stub) \
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RW(Code, stack_overflow_stub_without_fpu_regs_stub) \
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RW(Code, write_barrier_wrappers_stub) \
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RW(Code, array_write_barrier_stub) \
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R_(Code, megamorphic_miss_code) \
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R_(Function, megamorphic_miss_function) \
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R_(GrowableObjectArray, resume_capabilities) \
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R_(GrowableObjectArray, exit_listeners) \
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R_(GrowableObjectArray, error_listeners) \
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RW(Array, dispatch_table_code_entries) \
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RW(Array, code_order_table) \
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RW(Array, obfuscation_map) \
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RW(Class, ffi_pointer_class) \
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RW(Class, ffi_native_type_class) \
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RW(Class, ffi_struct_class) \
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RW(Object, ffi_as_function_internal) \
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// Please remember the last entry must be referred in the 'to' function below.
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// The object store is a per isolate instance which stores references to
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// objects used by the VM.
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class ObjectStore {
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public:
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enum BootstrapLibraryId {
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#define MAKE_ID(Name, _) k##Name,
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FOR_EACH_BOOTSTRAP_LIBRARY(MAKE_ID)
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#undef MAKE_ID
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};
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~ObjectStore();
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#define DECLARE_GETTER(Type, name) \
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Raw##Type* name() const { return name##_; } \
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static intptr_t name##_offset() { return OFFSET_OF(ObjectStore, name##_); }
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#define DECLARE_GETTER_AND_SETTER(Type, name) \
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DECLARE_GETTER(Type, name) \
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void set_##name(const Type& value) { name##_ = value.raw(); }
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OBJECT_STORE_FIELD_LIST(DECLARE_GETTER, DECLARE_GETTER_AND_SETTER)
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#undef DECLARE_GETTER
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#undef DECLARE_GETTER_AND_SETTER
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RawLibrary* bootstrap_library(BootstrapLibraryId index) {
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switch (index) {
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#define MAKE_CASE(CamelName, name) \
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case k##CamelName: \
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return name##_library_;
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FOR_EACH_BOOTSTRAP_LIBRARY(MAKE_CASE)
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#undef MAKE_CASE
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default:
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UNREACHABLE();
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return Library::null();
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}
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}
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void set_bootstrap_library(BootstrapLibraryId index, const Library& value) {
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switch (index) {
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#define MAKE_CASE(CamelName, name) \
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case k##CamelName: \
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name##_library_ = value.raw(); \
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break;
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FOR_EACH_BOOTSTRAP_LIBRARY(MAKE_CASE)
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#undef MAKE_CASE
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default:
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UNREACHABLE();
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}
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}
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void SetMegamorphicMissHandler(const Code& code, const Function& func) {
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// Hold onto the code so it is traced and not detached from the function.
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megamorphic_miss_code_ = code.raw();
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megamorphic_miss_function_ = func.raw();
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}
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// Visit all object pointers.
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void VisitObjectPointers(ObjectPointerVisitor* visitor);
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// Called to initialize objects required by the vm but which invoke
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// dart code. If an error occurs the error object is returned otherwise
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// a null object is returned.
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RawError* PreallocateObjects();
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void InitKnownObjects();
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void PostLoad();
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static void Init(Isolate* isolate);
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#ifndef PRODUCT
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void PrintToJSONObject(JSONObject* jsobj);
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#endif
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private:
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ObjectStore();
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// Finds a core library private method in Object.
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RawFunction* PrivateObjectLookup(const String& name);
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RawObject** from() { return reinterpret_cast<RawObject**>(&object_class_); }
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#define DECLARE_OBJECT_STORE_FIELD(type, name) Raw##type* name##_;
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OBJECT_STORE_FIELD_LIST(DECLARE_OBJECT_STORE_FIELD,
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DECLARE_OBJECT_STORE_FIELD)
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#undef DECLARE_OBJECT_STORE_FIELD
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RawObject** to() {
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return reinterpret_cast<RawObject**>(&ffi_as_function_internal_);
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}
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RawObject** to_snapshot(Snapshot::Kind kind) {
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switch (kind) {
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case Snapshot::kFull:
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return reinterpret_cast<RawObject**>(&global_object_pool_);
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case Snapshot::kFullJIT:
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case Snapshot::kFullAOT:
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return reinterpret_cast<RawObject**>(&megamorphic_miss_function_);
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case Snapshot::kMessage:
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case Snapshot::kNone:
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case Snapshot::kInvalid:
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break;
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}
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UNREACHABLE();
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return NULL;
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}
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friend class Serializer;
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friend class Deserializer;
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DISALLOW_COPY_AND_ASSIGN(ObjectStore);
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};
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} // namespace dart
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#endif // RUNTIME_VM_OBJECT_STORE_H_
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