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87df0b7ecc
v8/tools/v8heapconst.py
Frank Emrich 70e49b1722 [dict-proto] C++ implementation of SwissNameDictionary, pt. 1 
This CL is part of a series that adds the C++ implementation of
SwissNameDictionary, a deterministic property backing store based on
Swiss Tables.

This CL contains most of the boilerplate code for introducing a new
instance type.

Bug: v8:11388
Change-Id: Id263b8138a8ce4b465fb28d968223d2e1aaf05a4
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2672030
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Nico Hartmann <nicohartmann@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Commit-Queue: Frank Emrich <emrich@google.com>
Cr-Commit-Position: refs/heads/master@{#72582}
2021-02-09 11:16:32 +00:00

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# Copyright 2019 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can
# be found in the LICENSE file.
# This file is automatically generated by mkgrokdump and should not
# be modified manually.
# List of known V8 instance types.
INSTANCE_TYPES = {
0: "INTERNALIZED_STRING_TYPE",
2: "EXTERNAL_INTERNALIZED_STRING_TYPE",
8: "ONE_BYTE_INTERNALIZED_STRING_TYPE",
10: "EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE",
18: "UNCACHED_EXTERNAL_INTERNALIZED_STRING_TYPE",
26: "UNCACHED_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE",
32: "STRING_TYPE",
33: "CONS_STRING_TYPE",
34: "EXTERNAL_STRING_TYPE",
35: "SLICED_STRING_TYPE",
37: "THIN_STRING_TYPE",
40: "ONE_BYTE_STRING_TYPE",
41: "CONS_ONE_BYTE_STRING_TYPE",
42: "EXTERNAL_ONE_BYTE_STRING_TYPE",
43: "SLICED_ONE_BYTE_STRING_TYPE",
45: "THIN_ONE_BYTE_STRING_TYPE",
50: "UNCACHED_EXTERNAL_STRING_TYPE",
58: "UNCACHED_EXTERNAL_ONE_BYTE_STRING_TYPE",
64: "SYMBOL_TYPE",
65: "BIG_INT_BASE_TYPE",
66: "HEAP_NUMBER_TYPE",
67: "ODDBALL_TYPE",
68: "ABSTRACT_INTERNAL_CLASS_SUBCLASS1_TYPE",
69: "ABSTRACT_INTERNAL_CLASS_SUBCLASS2_TYPE",
70: "FOREIGN_TYPE",
71: "WASM_TYPE_INFO_TYPE",
72: "PROMISE_FULFILL_REACTION_JOB_TASK_TYPE",
73: "PROMISE_REJECT_REACTION_JOB_TASK_TYPE",
74: "CALLABLE_TASK_TYPE",
75: "CALLBACK_TASK_TYPE",
76: "PROMISE_RESOLVE_THENABLE_JOB_TASK_TYPE",
77: "LOAD_HANDLER_TYPE",
78: "STORE_HANDLER_TYPE",
79: "FUNCTION_TEMPLATE_INFO_TYPE",
80: "OBJECT_TEMPLATE_INFO_TYPE",
81: "ACCESS_CHECK_INFO_TYPE",
82: "ACCESSOR_INFO_TYPE",
83: "ACCESSOR_PAIR_TYPE",
84: "ALIASED_ARGUMENTS_ENTRY_TYPE",
85: "ALLOCATION_MEMENTO_TYPE",
86: "ALLOCATION_SITE_TYPE",
87: "ARRAY_BOILERPLATE_DESCRIPTION_TYPE",
88: "ASM_WASM_DATA_TYPE",
89: "ASYNC_GENERATOR_REQUEST_TYPE",
90: "BREAK_POINT_TYPE",
91: "BREAK_POINT_INFO_TYPE",
92: "CACHED_TEMPLATE_OBJECT_TYPE",
93: "CALL_HANDLER_INFO_TYPE",
94: "CLASS_POSITIONS_TYPE",
95: "DEBUG_INFO_TYPE",
96: "ENUM_CACHE_TYPE",
97: "FEEDBACK_CELL_TYPE",
98: "FUNCTION_TEMPLATE_RARE_DATA_TYPE",
99: "INTERCEPTOR_INFO_TYPE",
100: "INTERPRETER_DATA_TYPE",
101: "MODULE_REQUEST_TYPE",
102: "PROMISE_CAPABILITY_TYPE",
103: "PROMISE_REACTION_TYPE",
104: "PROPERTY_DESCRIPTOR_OBJECT_TYPE",
105: "PROTOTYPE_INFO_TYPE",
106: "REG_EXP_BOILERPLATE_DESCRIPTION_TYPE",
107: "SCRIPT_TYPE",
108: "SOURCE_TEXT_MODULE_INFO_ENTRY_TYPE",
109: "STACK_FRAME_INFO_TYPE",
110: "STACK_TRACE_FRAME_TYPE",
111: "TEMPLATE_OBJECT_DESCRIPTION_TYPE",
112: "TUPLE2_TYPE",
113: "WASM_EXCEPTION_TAG_TYPE",
114: "WASM_EXPORTED_FUNCTION_DATA_TYPE",
115: "WASM_INDIRECT_FUNCTION_TABLE_TYPE",
116: "WASM_JS_FUNCTION_DATA_TYPE",
117: "FIXED_ARRAY_TYPE",
118: "HASH_TABLE_TYPE",
119: "EPHEMERON_HASH_TABLE_TYPE",
120: "GLOBAL_DICTIONARY_TYPE",
121: "NAME_DICTIONARY_TYPE",
122: "NUMBER_DICTIONARY_TYPE",
123: "ORDERED_HASH_MAP_TYPE",
124: "ORDERED_HASH_SET_TYPE",
125: "ORDERED_NAME_DICTIONARY_TYPE",
126: "SIMPLE_NUMBER_DICTIONARY_TYPE",
127: "CLOSURE_FEEDBACK_CELL_ARRAY_TYPE",
128: "OBJECT_BOILERPLATE_DESCRIPTION_TYPE",
129: "SCRIPT_CONTEXT_TABLE_TYPE",
130: "BYTE_ARRAY_TYPE",
131: "BYTECODE_ARRAY_TYPE",
132: "FIXED_DOUBLE_ARRAY_TYPE",
133: "INTERNAL_CLASS_WITH_SMI_ELEMENTS_TYPE",
134: "SCOPE_INFO_TYPE",
135: "SLOPPY_ARGUMENTS_ELEMENTS_TYPE",
136: "AWAIT_CONTEXT_TYPE",
137: "BLOCK_CONTEXT_TYPE",
138: "CATCH_CONTEXT_TYPE",
139: "DEBUG_EVALUATE_CONTEXT_TYPE",
140: "EVAL_CONTEXT_TYPE",
141: "FUNCTION_CONTEXT_TYPE",
142: "MODULE_CONTEXT_TYPE",
143: "NATIVE_CONTEXT_TYPE",
144: "SCRIPT_CONTEXT_TYPE",
145: "WITH_CONTEXT_TYPE",
146: "EXPORTED_SUB_CLASS_BASE_TYPE",
147: "EXPORTED_SUB_CLASS_TYPE",
148: "EXPORTED_SUB_CLASS2_TYPE",
149: "SMALL_ORDERED_HASH_MAP_TYPE",
150: "SMALL_ORDERED_HASH_SET_TYPE",
151: "SMALL_ORDERED_NAME_DICTIONARY_TYPE",
152: "DESCRIPTOR_ARRAY_TYPE",
153: "STRONG_DESCRIPTOR_ARRAY_TYPE",
154: "SOURCE_TEXT_MODULE_TYPE",
155: "SYNTHETIC_MODULE_TYPE",
156: "UNCOMPILED_DATA_WITH_PREPARSE_DATA_TYPE",
157: "UNCOMPILED_DATA_WITHOUT_PREPARSE_DATA_TYPE",
158: "WEAK_FIXED_ARRAY_TYPE",
159: "TRANSITION_ARRAY_TYPE",
160: "CELL_TYPE",
161: "CODE_TYPE",
162: "CODE_DATA_CONTAINER_TYPE",
163: "COVERAGE_INFO_TYPE",
164: "EMBEDDER_DATA_ARRAY_TYPE",
165: "FEEDBACK_METADATA_TYPE",
166: "FEEDBACK_VECTOR_TYPE",
167: "FILLER_TYPE",
168: "FREE_SPACE_TYPE",
169: "INTERNAL_CLASS_TYPE",
170: "INTERNAL_CLASS_WITH_STRUCT_ELEMENTS_TYPE",
171: "MAP_TYPE",
172: "ON_HEAP_BASIC_BLOCK_PROFILER_DATA_TYPE",
173: "PREPARSE_DATA_TYPE",
174: "PROPERTY_ARRAY_TYPE",
175: "PROPERTY_CELL_TYPE",
176: "SHARED_FUNCTION_INFO_TYPE",
177: "SMI_BOX_TYPE",
178: "SMI_PAIR_TYPE",
179: "SORT_STATE_TYPE",
180: "SWISS_NAME_DICTIONARY_TYPE",
181: "WASM_ARRAY_TYPE",
182: "WASM_CAPI_FUNCTION_DATA_TYPE",
183: "WASM_STRUCT_TYPE",
184: "WEAK_ARRAY_LIST_TYPE",
185: "WEAK_CELL_TYPE",
186: "JS_PROXY_TYPE",
1057: "JS_OBJECT_TYPE",
187: "JS_GLOBAL_OBJECT_TYPE",
188: "JS_GLOBAL_PROXY_TYPE",
189: "JS_MODULE_NAMESPACE_TYPE",
1040: "JS_SPECIAL_API_OBJECT_TYPE",
1041: "JS_PRIMITIVE_WRAPPER_TYPE",
1042: "JS_ARRAY_ITERATOR_PROTOTYPE_TYPE",
1043: "JS_ITERATOR_PROTOTYPE_TYPE",
1044: "JS_MAP_ITERATOR_PROTOTYPE_TYPE",
1045: "JS_OBJECT_PROTOTYPE_TYPE",
1046: "JS_PROMISE_PROTOTYPE_TYPE",
1047: "JS_REG_EXP_PROTOTYPE_TYPE",
1048: "JS_SET_ITERATOR_PROTOTYPE_TYPE",
1049: "JS_SET_PROTOTYPE_TYPE",
1050: "JS_STRING_ITERATOR_PROTOTYPE_TYPE",
1051: "JS_TYPED_ARRAY_PROTOTYPE_TYPE",
1052: "JS_GENERATOR_OBJECT_TYPE",
1053: "JS_ASYNC_FUNCTION_OBJECT_TYPE",
1054: "JS_ASYNC_GENERATOR_OBJECT_TYPE",
1055: "JS_ARGUMENTS_OBJECT_TYPE",
1056: "JS_API_OBJECT_TYPE",
1058: "JS_BOUND_FUNCTION_TYPE",
1059: "JS_FUNCTION_TYPE",
1060: "BIGINT64_TYPED_ARRAY_CONSTRUCTOR_TYPE",
1061: "BIGUINT64_TYPED_ARRAY_CONSTRUCTOR_TYPE",
1062: "FLOAT32_TYPED_ARRAY_CONSTRUCTOR_TYPE",
1063: "FLOAT64_TYPED_ARRAY_CONSTRUCTOR_TYPE",
1064: "INT16_TYPED_ARRAY_CONSTRUCTOR_TYPE",
1065: "INT32_TYPED_ARRAY_CONSTRUCTOR_TYPE",
1066: "INT8_TYPED_ARRAY_CONSTRUCTOR_TYPE",
1067: "UINT16_TYPED_ARRAY_CONSTRUCTOR_TYPE",
1068: "UINT32_TYPED_ARRAY_CONSTRUCTOR_TYPE",
1069: "UINT8_CLAMPED_TYPED_ARRAY_CONSTRUCTOR_TYPE",
1070: "UINT8_TYPED_ARRAY_CONSTRUCTOR_TYPE",
1071: "JS_ARRAY_CONSTRUCTOR_TYPE",
1072: "JS_PROMISE_CONSTRUCTOR_TYPE",
1073: "JS_REG_EXP_CONSTRUCTOR_TYPE",
1074: "JS_MAP_KEY_ITERATOR_TYPE",
1075: "JS_MAP_KEY_VALUE_ITERATOR_TYPE",
1076: "JS_MAP_VALUE_ITERATOR_TYPE",
1077: "JS_SET_KEY_VALUE_ITERATOR_TYPE",
1078: "JS_SET_VALUE_ITERATOR_TYPE",
1079: "JS_DATA_VIEW_TYPE",
1080: "JS_TYPED_ARRAY_TYPE",
1081: "JS_MAP_TYPE",
1082: "JS_SET_TYPE",
1083: "JS_WEAK_MAP_TYPE",
1084: "JS_WEAK_SET_TYPE",
1085: "JS_ARRAY_TYPE",
1086: "JS_ARRAY_BUFFER_TYPE",
1087: "JS_ARRAY_ITERATOR_TYPE",
1088: "JS_ASYNC_FROM_SYNC_ITERATOR_TYPE",
1089: "JS_COLLATOR_TYPE",
1090: "JS_CONTEXT_EXTENSION_OBJECT_TYPE",
1091: "JS_DATE_TYPE",
1092: "JS_DATE_TIME_FORMAT_TYPE",
1093: "JS_DISPLAY_NAMES_TYPE",
1094: "JS_ERROR_TYPE",
1095: "JS_FINALIZATION_REGISTRY_TYPE",
1096: "JS_LIST_FORMAT_TYPE",
1097: "JS_LOCALE_TYPE",
1098: "JS_MESSAGE_OBJECT_TYPE",
1099: "JS_NUMBER_FORMAT_TYPE",
1100: "JS_PLURAL_RULES_TYPE",
1101: "JS_PROMISE_TYPE",
1102: "JS_REG_EXP_TYPE",
1103: "JS_REG_EXP_STRING_ITERATOR_TYPE",
1104: "JS_RELATIVE_TIME_FORMAT_TYPE",
1105: "JS_SEGMENT_ITERATOR_TYPE",
1106: "JS_SEGMENTER_TYPE",
1107: "JS_SEGMENTS_TYPE",
1108: "JS_STRING_ITERATOR_TYPE",
1109: "JS_V8_BREAK_ITERATOR_TYPE",
1110: "JS_WEAK_REF_TYPE",
1111: "WASM_EXCEPTION_OBJECT_TYPE",
1112: "WASM_GLOBAL_OBJECT_TYPE",
1113: "WASM_INSTANCE_OBJECT_TYPE",
1114: "WASM_MEMORY_OBJECT_TYPE",
1115: "WASM_MODULE_OBJECT_TYPE",
1116: "WASM_TABLE_OBJECT_TYPE",
1117: "WASM_VALUE_OBJECT_TYPE",
}
# List of known V8 maps.
KNOWN_MAPS = {
("read_only_space", 0x02119): (171, "MetaMap"),
("read_only_space", 0x02141): (67, "NullMap"),
("read_only_space", 0x02169): (153, "StrongDescriptorArrayMap"),
("read_only_space", 0x02191): (158, "WeakFixedArrayMap"),
("read_only_space", 0x021d1): (96, "EnumCacheMap"),
("read_only_space", 0x02205): (117, "FixedArrayMap"),
("read_only_space", 0x02251): (8, "OneByteInternalizedStringMap"),
("read_only_space", 0x0229d): (168, "FreeSpaceMap"),
("read_only_space", 0x022c5): (167, "OnePointerFillerMap"),
("read_only_space", 0x022ed): (167, "TwoPointerFillerMap"),
("read_only_space", 0x02315): (67, "UninitializedMap"),
("read_only_space", 0x0238d): (67, "UndefinedMap"),
("read_only_space", 0x023d1): (66, "HeapNumberMap"),
("read_only_space", 0x02405): (67, "TheHoleMap"),
("read_only_space", 0x02465): (67, "BooleanMap"),
("read_only_space", 0x02509): (130, "ByteArrayMap"),
("read_only_space", 0x02531): (117, "FixedCOWArrayMap"),
("read_only_space", 0x02559): (118, "HashTableMap"),
("read_only_space", 0x02581): (64, "SymbolMap"),
("read_only_space", 0x025a9): (40, "OneByteStringMap"),
("read_only_space", 0x025d1): (134, "ScopeInfoMap"),
("read_only_space", 0x025f9): (176, "SharedFunctionInfoMap"),
("read_only_space", 0x02621): (161, "CodeMap"),
("read_only_space", 0x02649): (160, "CellMap"),
("read_only_space", 0x02671): (175, "GlobalPropertyCellMap"),
("read_only_space", 0x02699): (70, "ForeignMap"),
("read_only_space", 0x026c1): (159, "TransitionArrayMap"),
("read_only_space", 0x026e9): (45, "ThinOneByteStringMap"),
("read_only_space", 0x02711): (166, "FeedbackVectorMap"),
("read_only_space", 0x0274d): (67, "ArgumentsMarkerMap"),
("read_only_space", 0x027ad): (67, "ExceptionMap"),
("read_only_space", 0x02809): (67, "TerminationExceptionMap"),
("read_only_space", 0x02871): (67, "OptimizedOutMap"),
("read_only_space", 0x028d1): (67, "StaleRegisterMap"),
("read_only_space", 0x02931): (129, "ScriptContextTableMap"),
("read_only_space", 0x02959): (127, "ClosureFeedbackCellArrayMap"),
("read_only_space", 0x02981): (165, "FeedbackMetadataArrayMap"),
("read_only_space", 0x029a9): (117, "ArrayListMap"),
("read_only_space", 0x029d1): (65, "BigIntMap"),
("read_only_space", 0x029f9): (128, "ObjectBoilerplateDescriptionMap"),
("read_only_space", 0x02a21): (131, "BytecodeArrayMap"),
("read_only_space", 0x02a49): (162, "CodeDataContainerMap"),
("read_only_space", 0x02a71): (163, "CoverageInfoMap"),
("read_only_space", 0x02a99): (132, "FixedDoubleArrayMap"),
("read_only_space", 0x02ac1): (120, "GlobalDictionaryMap"),
("read_only_space", 0x02ae9): (97, "ManyClosuresCellMap"),
("read_only_space", 0x02b11): (117, "ModuleInfoMap"),
("read_only_space", 0x02b39): (121, "NameDictionaryMap"),
("read_only_space", 0x02b61): (97, "NoClosuresCellMap"),
("read_only_space", 0x02b89): (122, "NumberDictionaryMap"),
("read_only_space", 0x02bb1): (97, "OneClosureCellMap"),
("read_only_space", 0x02bd9): (123, "OrderedHashMapMap"),
("read_only_space", 0x02c01): (124, "OrderedHashSetMap"),
("read_only_space", 0x02c29): (125, "OrderedNameDictionaryMap"),
("read_only_space", 0x02c51): (173, "PreparseDataMap"),
("read_only_space", 0x02c79): (174, "PropertyArrayMap"),
("read_only_space", 0x02ca1): (93, "SideEffectCallHandlerInfoMap"),
("read_only_space", 0x02cc9): (93, "SideEffectFreeCallHandlerInfoMap"),
("read_only_space", 0x02cf1): (93, "NextCallSideEffectFreeCallHandlerInfoMap"),
("read_only_space", 0x02d19): (126, "SimpleNumberDictionaryMap"),
("read_only_space", 0x02d41): (149, "SmallOrderedHashMapMap"),
("read_only_space", 0x02d69): (150, "SmallOrderedHashSetMap"),
("read_only_space", 0x02d91): (151, "SmallOrderedNameDictionaryMap"),
("read_only_space", 0x02db9): (154, "SourceTextModuleMap"),
("read_only_space", 0x02de1): (180, "SwissNameDictionaryMap"),
("read_only_space", 0x02e09): (155, "SyntheticModuleMap"),
("read_only_space", 0x02e31): (71, "WasmTypeInfoMap"),
("read_only_space", 0x02e59): (184, "WeakArrayListMap"),
("read_only_space", 0x02e81): (119, "EphemeronHashTableMap"),
("read_only_space", 0x02ea9): (164, "EmbedderDataArrayMap"),
("read_only_space", 0x02ed1): (185, "WeakCellMap"),
("read_only_space", 0x02ef9): (32, "StringMap"),
("read_only_space", 0x02f21): (41, "ConsOneByteStringMap"),
("read_only_space", 0x02f49): (33, "ConsStringMap"),
("read_only_space", 0x02f71): (37, "ThinStringMap"),
("read_only_space", 0x02f99): (35, "SlicedStringMap"),
("read_only_space", 0x02fc1): (43, "SlicedOneByteStringMap"),
("read_only_space", 0x02fe9): (34, "ExternalStringMap"),
("read_only_space", 0x03011): (42, "ExternalOneByteStringMap"),
("read_only_space", 0x03039): (50, "UncachedExternalStringMap"),
("read_only_space", 0x03061): (0, "InternalizedStringMap"),
("read_only_space", 0x03089): (2, "ExternalInternalizedStringMap"),
("read_only_space", 0x030b1): (10, "ExternalOneByteInternalizedStringMap"),
("read_only_space", 0x030d9): (18, "UncachedExternalInternalizedStringMap"),
("read_only_space", 0x03101): (26, "UncachedExternalOneByteInternalizedStringMap"),
("read_only_space", 0x03129): (58, "UncachedExternalOneByteStringMap"),
("read_only_space", 0x03151): (67, "SelfReferenceMarkerMap"),
("read_only_space", 0x03179): (67, "BasicBlockCountersMarkerMap"),
("read_only_space", 0x031bd): (87, "ArrayBoilerplateDescriptionMap"),
("read_only_space", 0x03291): (99, "InterceptorInfoMap"),
("read_only_space", 0x0540d): (72, "PromiseFulfillReactionJobTaskMap"),
("read_only_space", 0x05435): (73, "PromiseRejectReactionJobTaskMap"),
("read_only_space", 0x0545d): (74, "CallableTaskMap"),
("read_only_space", 0x05485): (75, "CallbackTaskMap"),
("read_only_space", 0x054ad): (76, "PromiseResolveThenableJobTaskMap"),
("read_only_space", 0x054d5): (79, "FunctionTemplateInfoMap"),
("read_only_space", 0x054fd): (80, "ObjectTemplateInfoMap"),
("read_only_space", 0x05525): (81, "AccessCheckInfoMap"),
("read_only_space", 0x0554d): (82, "AccessorInfoMap"),
("read_only_space", 0x05575): (83, "AccessorPairMap"),
("read_only_space", 0x0559d): (84, "AliasedArgumentsEntryMap"),
("read_only_space", 0x055c5): (85, "AllocationMementoMap"),
("read_only_space", 0x055ed): (88, "AsmWasmDataMap"),
("read_only_space", 0x05615): (89, "AsyncGeneratorRequestMap"),
("read_only_space", 0x0563d): (90, "BreakPointMap"),
("read_only_space", 0x05665): (91, "BreakPointInfoMap"),
("read_only_space", 0x0568d): (92, "CachedTemplateObjectMap"),
("read_only_space", 0x056b5): (94, "ClassPositionsMap"),
("read_only_space", 0x056dd): (95, "DebugInfoMap"),
("read_only_space", 0x05705): (98, "FunctionTemplateRareDataMap"),
("read_only_space", 0x0572d): (100, "InterpreterDataMap"),
("read_only_space", 0x05755): (101, "ModuleRequestMap"),
("read_only_space", 0x0577d): (102, "PromiseCapabilityMap"),
("read_only_space", 0x057a5): (103, "PromiseReactionMap"),
("read_only_space", 0x057cd): (104, "PropertyDescriptorObjectMap"),
("read_only_space", 0x057f5): (105, "PrototypeInfoMap"),
("read_only_space", 0x0581d): (106, "RegExpBoilerplateDescriptionMap"),
("read_only_space", 0x05845): (107, "ScriptMap"),
("read_only_space", 0x0586d): (108, "SourceTextModuleInfoEntryMap"),
("read_only_space", 0x05895): (109, "StackFrameInfoMap"),
("read_only_space", 0x058bd): (110, "StackTraceFrameMap"),
("read_only_space", 0x058e5): (111, "TemplateObjectDescriptionMap"),
("read_only_space", 0x0590d): (112, "Tuple2Map"),
("read_only_space", 0x05935): (113, "WasmExceptionTagMap"),
("read_only_space", 0x0595d): (114, "WasmExportedFunctionDataMap"),
("read_only_space", 0x05985): (115, "WasmIndirectFunctionTableMap"),
("read_only_space", 0x059ad): (116, "WasmJSFunctionDataMap"),
("read_only_space", 0x059d5): (135, "SloppyArgumentsElementsMap"),
("read_only_space", 0x059fd): (152, "DescriptorArrayMap"),
("read_only_space", 0x05a25): (157, "UncompiledDataWithoutPreparseDataMap"),
("read_only_space", 0x05a4d): (156, "UncompiledDataWithPreparseDataMap"),
("read_only_space", 0x05a75): (172, "OnHeapBasicBlockProfilerDataMap"),
("read_only_space", 0x05a9d): (182, "WasmCapiFunctionDataMap"),
("read_only_space", 0x05ac5): (169, "InternalClassMap"),
("read_only_space", 0x05aed): (178, "SmiPairMap"),
("read_only_space", 0x05b15): (177, "SmiBoxMap"),
("read_only_space", 0x05b3d): (146, "ExportedSubClassBaseMap"),
("read_only_space", 0x05b65): (147, "ExportedSubClassMap"),
("read_only_space", 0x05b8d): (68, "AbstractInternalClassSubclass1Map"),
("read_only_space", 0x05bb5): (69, "AbstractInternalClassSubclass2Map"),
("read_only_space", 0x05bdd): (133, "InternalClassWithSmiElementsMap"),
("read_only_space", 0x05c05): (170, "InternalClassWithStructElementsMap"),
("read_only_space", 0x05c2d): (148, "ExportedSubClass2Map"),
("read_only_space", 0x05c55): (179, "SortStateMap"),
("read_only_space", 0x05c7d): (86, "AllocationSiteWithWeakNextMap"),
("read_only_space", 0x05ca5): (86, "AllocationSiteWithoutWeakNextMap"),
("read_only_space", 0x05ccd): (77, "LoadHandler1Map"),
("read_only_space", 0x05cf5): (77, "LoadHandler2Map"),
("read_only_space", 0x05d1d): (77, "LoadHandler3Map"),
("read_only_space", 0x05d45): (78, "StoreHandler0Map"),
("read_only_space", 0x05d6d): (78, "StoreHandler1Map"),
("read_only_space", 0x05d95): (78, "StoreHandler2Map"),
("read_only_space", 0x05dbd): (78, "StoreHandler3Map"),
("map_space", 0x02119): (1057, "ExternalMap"),
("map_space", 0x02141): (1098, "JSMessageObjectMap"),
}
# List of known V8 objects.
KNOWN_OBJECTS = {
("read_only_space", 0x021b9): "EmptyWeakFixedArray",
("read_only_space", 0x021c1): "EmptyDescriptorArray",
("read_only_space", 0x021f9): "EmptyEnumCache",
("read_only_space", 0x0222d): "EmptyFixedArray",
("read_only_space", 0x02235): "NullValue",
("read_only_space", 0x0233d): "UninitializedValue",
("read_only_space", 0x023b5): "UndefinedValue",
("read_only_space", 0x023f9): "NanValue",
("read_only_space", 0x0242d): "TheHoleValue",
("read_only_space", 0x02459): "HoleNanValue",
("read_only_space", 0x0248d): "TrueValue",
("read_only_space", 0x024cd): "FalseValue",
("read_only_space", 0x024fd): "empty_string",
("read_only_space", 0x02739): "EmptyScopeInfo",
("read_only_space", 0x02775): "ArgumentsMarker",
("read_only_space", 0x027d5): "Exception",
("read_only_space", 0x02831): "TerminationException",
("read_only_space", 0x02899): "OptimizedOut",
("read_only_space", 0x028f9): "StaleRegister",
("read_only_space", 0x031a1): "EmptyPropertyArray",
("read_only_space", 0x031a9): "EmptyByteArray",
("read_only_space", 0x031b1): "EmptyObjectBoilerplateDescription",
("read_only_space", 0x031e5): "EmptyArrayBoilerplateDescription",
("read_only_space", 0x031f1): "EmptyClosureFeedbackCellArray",
("read_only_space", 0x031f9): "EmptySlowElementDictionary",
("read_only_space", 0x0321d): "EmptyOrderedHashMap",
("read_only_space", 0x03231): "EmptyOrderedHashSet",
("read_only_space", 0x03245): "EmptyFeedbackMetadata",
("read_only_space", 0x03251): "EmptyPropertyDictionary",
("read_only_space", 0x03279): "EmptyOrderedPropertyDictionary",
("read_only_space", 0x032b9): "NoOpInterceptorInfo",
("read_only_space", 0x032e1): "EmptyWeakArrayList",
("read_only_space", 0x032ed): "InfinityValue",
("read_only_space", 0x032f9): "MinusZeroValue",
("read_only_space", 0x03305): "MinusInfinityValue",
("read_only_space", 0x03311): "SelfReferenceMarker",
("read_only_space", 0x03351): "BasicBlockCountersMarker",
("read_only_space", 0x03395): "OffHeapTrampolineRelocationInfo",
("read_only_space", 0x033a1): "TrampolineTrivialCodeDataContainer",
("read_only_space", 0x033ad): "TrampolinePromiseRejectionCodeDataContainer",
("read_only_space", 0x033b9): "GlobalThisBindingScopeInfo",
("read_only_space", 0x033f1): "EmptyFunctionScopeInfo",
("read_only_space", 0x03419): "NativeScopeInfo",
("read_only_space", 0x03435): "HashSeed",
("old_space", 0x02119): "ArgumentsIteratorAccessor",
("old_space", 0x0215d): "ArrayLengthAccessor",
("old_space", 0x021a1): "BoundFunctionLengthAccessor",
("old_space", 0x021e5): "BoundFunctionNameAccessor",
("old_space", 0x02229): "ErrorStackAccessor",
("old_space", 0x0226d): "FunctionArgumentsAccessor",
("old_space", 0x022b1): "FunctionCallerAccessor",
("old_space", 0x022f5): "FunctionNameAccessor",
("old_space", 0x02339): "FunctionLengthAccessor",
("old_space", 0x0237d): "FunctionPrototypeAccessor",
("old_space", 0x023c1): "StringLengthAccessor",
("old_space", 0x02405): "InvalidPrototypeValidityCell",
("old_space", 0x0240d): "EmptyScript",
("old_space", 0x0244d): "ManyClosuresCell",
("old_space", 0x02459): "ArrayConstructorProtector",
("old_space", 0x0246d): "NoElementsProtector",
("old_space", 0x02481): "IsConcatSpreadableProtector",
("old_space", 0x02495): "ArraySpeciesProtector",
("old_space", 0x024a9): "TypedArraySpeciesProtector",
("old_space", 0x024bd): "PromiseSpeciesProtector",
("old_space", 0x024d1): "RegExpSpeciesProtector",
("old_space", 0x024e5): "StringLengthProtector",
("old_space", 0x024f9): "ArrayIteratorProtector",
("old_space", 0x0250d): "ArrayBufferDetachingProtector",
("old_space", 0x02521): "PromiseHookProtector",
("old_space", 0x02535): "PromiseResolveProtector",
("old_space", 0x02549): "MapIteratorProtector",
("old_space", 0x0255d): "PromiseThenProtector",
("old_space", 0x02571): "SetIteratorProtector",
("old_space", 0x02585): "StringIteratorProtector",
("old_space", 0x02599): "SingleCharacterStringCache",
("old_space", 0x029a1): "StringSplitCache",
("old_space", 0x02da9): "RegExpMultipleCache",
("old_space", 0x031b1): "BuiltinsConstantsTable",
("old_space", 0x035b1): "AsyncFunctionAwaitRejectSharedFun",
("old_space", 0x035d5): "AsyncFunctionAwaitResolveSharedFun",
("old_space", 0x035f9): "AsyncGeneratorAwaitRejectSharedFun",
("old_space", 0x0361d): "AsyncGeneratorAwaitResolveSharedFun",
("old_space", 0x03641): "AsyncGeneratorYieldResolveSharedFun",
("old_space", 0x03665): "AsyncGeneratorReturnResolveSharedFun",
("old_space", 0x03689): "AsyncGeneratorReturnClosedRejectSharedFun",
("old_space", 0x036ad): "AsyncGeneratorReturnClosedResolveSharedFun",
("old_space", 0x036d1): "AsyncIteratorValueUnwrapSharedFun",
("old_space", 0x036f5): "PromiseAllResolveElementSharedFun",
("old_space", 0x03719): "PromiseAllSettledResolveElementSharedFun",
("old_space", 0x0373d): "PromiseAllSettledRejectElementSharedFun",
("old_space", 0x03761): "PromiseAnyRejectElementSharedFun",
("old_space", 0x03785): "PromiseCapabilityDefaultRejectSharedFun",
("old_space", 0x037a9): "PromiseCapabilityDefaultResolveSharedFun",
("old_space", 0x037cd): "PromiseCatchFinallySharedFun",
("old_space", 0x037f1): "PromiseGetCapabilitiesExecutorSharedFun",
("old_space", 0x03815): "PromiseThenFinallySharedFun",
("old_space", 0x03839): "PromiseThrowerFinallySharedFun",
("old_space", 0x0385d): "PromiseValueThunkFinallySharedFun",
("old_space", 0x03881): "ProxyRevokeSharedFun",
}
# Lower 32 bits of first page addresses for various heap spaces.
HEAP_FIRST_PAGES = {
0x08100000: "old_space",
0x08140000: "map_space",
0x08040000: "read_only_space",
}
# List of known V8 Frame Markers.
FRAME_MARKERS = (
"ENTRY",
"CONSTRUCT_ENTRY",
"EXIT",
"OPTIMIZED",
"WASM",
"WASM_TO_JS",
"JS_TO_WASM",
"WASM_DEBUG_BREAK",
"C_WASM_ENTRY",
"WASM_EXIT",
"WASM_COMPILE_LAZY",
"INTERPRETED",
"STUB",
"BUILTIN_CONTINUATION",
"JAVA_SCRIPT_BUILTIN_CONTINUATION",
"JAVA_SCRIPT_BUILTIN_CONTINUATION_WITH_CATCH",
"INTERNAL",
"CONSTRUCT",
"BUILTIN",
"BUILTIN_EXIT",
"NATIVE",
)
# This set of constants is generated from a shipping build.
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