text: # 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: "PROMISE_FULFILL_REACTION_JOB_TASK_TYPE",
    72: "PROMISE_REJECT_REACTION_JOB_TASK_TYPE",
    73: "CALLABLE_TASK_TYPE",
    74: "CALLBACK_TASK_TYPE",
    75: "PROMISE_RESOLVE_THENABLE_JOB_TASK_TYPE",
    76: "LOAD_HANDLER_TYPE",
    77: "STORE_HANDLER_TYPE",
    78: "FUNCTION_TEMPLATE_INFO_TYPE",
    79: "OBJECT_TEMPLATE_INFO_TYPE",
    80: "ACCESS_CHECK_INFO_TYPE",
    81: "ACCESSOR_INFO_TYPE",
    82: "ACCESSOR_PAIR_TYPE",
    83: "ALIASED_ARGUMENTS_ENTRY_TYPE",
    84: "ALLOCATION_MEMENTO_TYPE",
    85: "ALLOCATION_SITE_TYPE",
    86: "ARRAY_BOILERPLATE_DESCRIPTION_TYPE",
    87: "ASM_WASM_DATA_TYPE",
    88: "ASYNC_GENERATOR_REQUEST_TYPE",
    89: "BREAK_POINT_TYPE",
    90: "BREAK_POINT_INFO_TYPE",
    91: "CACHED_TEMPLATE_OBJECT_TYPE",
    92: "CALL_HANDLER_INFO_TYPE",
    93: "CLASS_POSITIONS_TYPE",
    94: "DEBUG_INFO_TYPE",
    95: "ENUM_CACHE_TYPE",
    96: "FEEDBACK_CELL_TYPE",
    97: "FUNCTION_TEMPLATE_RARE_DATA_TYPE",
    98: "INTERCEPTOR_INFO_TYPE",
    99: "INTERPRETER_DATA_TYPE",
    100: "PROMISE_CAPABILITY_TYPE",
    101: "PROMISE_REACTION_TYPE",
    102: "PROPERTY_DESCRIPTOR_OBJECT_TYPE",
    103: "PROTOTYPE_INFO_TYPE",
    104: "SCRIPT_TYPE",
    105: "SOURCE_TEXT_MODULE_INFO_ENTRY_TYPE",
    106: "STACK_FRAME_INFO_TYPE",
    107: "STACK_TRACE_FRAME_TYPE",
    108: "TEMPLATE_OBJECT_DESCRIPTION_TYPE",
    109: "TUPLE2_TYPE",
    110: "WASM_CAPI_FUNCTION_DATA_TYPE",
    111: "WASM_EXCEPTION_TAG_TYPE",
    112: "WASM_EXPORTED_FUNCTION_DATA_TYPE",
    113: "WASM_INDIRECT_FUNCTION_TABLE_TYPE",
    114: "WASM_JS_FUNCTION_DATA_TYPE",
    115: "WASM_VALUE_TYPE",
    116: "FIXED_ARRAY_TYPE",
    117: "HASH_TABLE_TYPE",
    118: "EPHEMERON_HASH_TABLE_TYPE",
    119: "GLOBAL_DICTIONARY_TYPE",
    120: "NAME_DICTIONARY_TYPE",
    121: "NUMBER_DICTIONARY_TYPE",
    122: "ORDERED_HASH_MAP_TYPE",
    123: "ORDERED_HASH_SET_TYPE",
    124: "ORDERED_NAME_DICTIONARY_TYPE",
    125: "SIMPLE_NUMBER_DICTIONARY_TYPE",
    126: "STRING_TABLE_TYPE",
    127: "CLOSURE_FEEDBACK_CELL_ARRAY_TYPE",
    128: "OBJECT_BOILERPLATE_DESCRIPTION_TYPE",
    129: "SCOPE_INFO_TYPE",
    130: "SCRIPT_CONTEXT_TABLE_TYPE",
    131: "BYTE_ARRAY_TYPE",
    132: "BYTECODE_ARRAY_TYPE",
    133: "FIXED_DOUBLE_ARRAY_TYPE",
    134: "INTERNAL_CLASS_WITH_SMI_ELEMENTS_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: "SOURCE_TEXT_MODULE_TYPE",
    153: "SYNTHETIC_MODULE_TYPE",
    154: "UNCOMPILED_DATA_WITH_PREPARSE_DATA_TYPE",
    155: "UNCOMPILED_DATA_WITHOUT_PREPARSE_DATA_TYPE",
    156: "WEAK_FIXED_ARRAY_TYPE",
    157: "TRANSITION_ARRAY_TYPE",
    158: "CELL_TYPE",
    159: "CODE_TYPE",
    160: "CODE_DATA_CONTAINER_TYPE",
    161: "COVERAGE_INFO_TYPE",
    162: "DESCRIPTOR_ARRAY_TYPE",
    163: "EMBEDDER_DATA_ARRAY_TYPE",
    164: "FEEDBACK_METADATA_TYPE",
    165: "FEEDBACK_VECTOR_TYPE",
    166: "FILLER_TYPE",
    167: "FREE_SPACE_TYPE",
    168: "INTERNAL_CLASS_TYPE",
    169: "INTERNAL_CLASS_WITH_STRUCT_ELEMENTS_TYPE",
    170: "MAP_TYPE",
    171: "ON_HEAP_BASIC_BLOCK_PROFILER_DATA_TYPE",
    172: "PREPARSE_DATA_TYPE",
    173: "PROPERTY_ARRAY_TYPE",
    174: "PROPERTY_CELL_TYPE",
    175: "SHARED_FUNCTION_INFO_TYPE",
    176: "SMI_BOX_TYPE",
    177: "SMI_PAIR_TYPE",
    178: "SORT_STATE_TYPE",
    179: "WASM_ARRAY_TYPE",
    180: "WASM_STRUCT_TYPE",
    181: "WEAK_ARRAY_LIST_TYPE",
    182: "WEAK_CELL_TYPE",
    183: "JS_PROXY_TYPE",
    1057: "JS_OBJECT_TYPE",
    184: "JS_GLOBAL_OBJECT_TYPE",
    185: "JS_GLOBAL_PROXY_TYPE",
    186: "JS_MODULE_NAMESPACE_TYPE",
    1040: "JS_SPECIAL_API_OBJECT_TYPE",
    1041: "JS_PRIMITIVE_WRAPPER_TYPE",
    1042: "JS_MAP_KEY_ITERATOR_TYPE",
    1043: "JS_MAP_KEY_VALUE_ITERATOR_TYPE",
    1044: "JS_MAP_VALUE_ITERATOR_TYPE",
    1045: "JS_SET_KEY_VALUE_ITERATOR_TYPE",
    1046: "JS_SET_VALUE_ITERATOR_TYPE",
    1047: "JS_GENERATOR_OBJECT_TYPE",
    1048: "JS_ASYNC_FUNCTION_OBJECT_TYPE",
    1049: "JS_ASYNC_GENERATOR_OBJECT_TYPE",
    1050: "JS_DATA_VIEW_TYPE",
    1051: "JS_TYPED_ARRAY_TYPE",
    1052: "JS_MAP_TYPE",
    1053: "JS_SET_TYPE",
    1054: "JS_WEAK_MAP_TYPE",
    1055: "JS_WEAK_SET_TYPE",
    1056: "JS_API_OBJECT_TYPE",
    1058: "JS_ARGUMENTS_OBJECT_TYPE",
    1059: "JS_ARRAY_TYPE",
    1060: "JS_ARRAY_BUFFER_TYPE",
    1061: "JS_ARRAY_ITERATOR_TYPE",
    1062: "JS_ASYNC_FROM_SYNC_ITERATOR_TYPE",
    1063: "JS_COLLATOR_TYPE",
    1064: "JS_CONTEXT_EXTENSION_OBJECT_TYPE",
    1065: "JS_DATE_TYPE",
    1066: "JS_DATE_TIME_FORMAT_TYPE",
    1067: "JS_DISPLAY_NAMES_TYPE",
    1068: "JS_ERROR_TYPE",
    1069: "JS_FINALIZATION_REGISTRY_TYPE",
    1070: "JS_LIST_FORMAT_TYPE",
    1071: "JS_LOCALE_TYPE",
    1072: "JS_MESSAGE_OBJECT_TYPE",
    1073: "JS_NUMBER_FORMAT_TYPE",
    1074: "JS_PLURAL_RULES_TYPE",
    1075: "JS_PROMISE_TYPE",
    1076: "JS_REG_EXP_TYPE",
    1077: "JS_REG_EXP_STRING_ITERATOR_TYPE",
    1078: "JS_RELATIVE_TIME_FORMAT_TYPE",
    1079: "JS_SEGMENT_ITERATOR_TYPE",
    1080: "JS_SEGMENTER_TYPE",
    1081: "JS_STRING_ITERATOR_TYPE",
    1082: "JS_V8_BREAK_ITERATOR_TYPE",
    1083: "JS_WEAK_REF_TYPE",
    1084: "WASM_EXCEPTION_OBJECT_TYPE",
    1085: "WASM_GLOBAL_OBJECT_TYPE",
    1086: "WASM_INSTANCE_OBJECT_TYPE",
    1087: "WASM_MEMORY_OBJECT_TYPE",
    1088: "WASM_MODULE_OBJECT_TYPE",
    1089: "WASM_TABLE_OBJECT_TYPE",
    1090: "JS_BOUND_FUNCTION_TYPE",
    1091: "JS_FUNCTION_TYPE",
  }
  
  # List of known V8 maps.
  KNOWN_MAPS = {
    ("read_only_space", 0x00121): (167, "FreeSpaceMap"),
    ("read_only_space", 0x00149): (170, "MetaMap"),
    ("read_only_space", 0x0018d): (67, "NullMap"),
    ("read_only_space", 0x001c5): (162, "DescriptorArrayMap"),
    ("read_only_space", 0x001f5): (156, "WeakFixedArrayMap"),
    ("read_only_space", 0x0021d): (166, "OnePointerFillerMap"),
    ("read_only_space", 0x00245): (166, "TwoPointerFillerMap"),
    ("read_only_space", 0x00289): (67, "UninitializedMap"),
    ("read_only_space", 0x002cd): (8, "OneByteInternalizedStringMap"),
    ("read_only_space", 0x00329): (67, "UndefinedMap"),
    ("read_only_space", 0x0035d): (66, "HeapNumberMap"),
    ("read_only_space", 0x003a1): (67, "TheHoleMap"),
    ("read_only_space", 0x00401): (67, "BooleanMap"),
    ("read_only_space", 0x00489): (131, "ByteArrayMap"),
    ("read_only_space", 0x004b1): (116, "FixedArrayMap"),
    ("read_only_space", 0x004d9): (116, "FixedCOWArrayMap"),
    ("read_only_space", 0x00501): (117, "HashTableMap"),
    ("read_only_space", 0x00529): (64, "SymbolMap"),
    ("read_only_space", 0x00551): (40, "OneByteStringMap"),
    ("read_only_space", 0x00579): (129, "ScopeInfoMap"),
    ("read_only_space", 0x005a1): (175, "SharedFunctionInfoMap"),
    ("read_only_space", 0x005c9): (159, "CodeMap"),
    ("read_only_space", 0x005f1): (158, "CellMap"),
    ("read_only_space", 0x00619): (174, "GlobalPropertyCellMap"),
    ("read_only_space", 0x00641): (70, "ForeignMap"),
    ("read_only_space", 0x00669): (157, "TransitionArrayMap"),
    ("read_only_space", 0x00691): (45, "ThinOneByteStringMap"),
    ("read_only_space", 0x006b9): (165, "FeedbackVectorMap"),
    ("read_only_space", 0x0070d): (67, "ArgumentsMarkerMap"),
    ("read_only_space", 0x0076d): (67, "ExceptionMap"),
    ("read_only_space", 0x007c9): (67, "TerminationExceptionMap"),
    ("read_only_space", 0x00831): (67, "OptimizedOutMap"),
    ("read_only_space", 0x00891): (67, "StaleRegisterMap"),
    ("read_only_space", 0x008d5): (130, "ScriptContextTableMap"),
    ("read_only_space", 0x008fd): (127, "ClosureFeedbackCellArrayMap"),
    ("read_only_space", 0x00925): (164, "FeedbackMetadataArrayMap"),
    ("read_only_space", 0x0094d): (116, "ArrayListMap"),
    ("read_only_space", 0x00975): (65, "BigIntMap"),
    ("read_only_space", 0x0099d): (128, "ObjectBoilerplateDescriptionMap"),
    ("read_only_space", 0x009c5): (132, "BytecodeArrayMap"),
    ("read_only_space", 0x009ed): (160, "CodeDataContainerMap"),
    ("read_only_space", 0x00a15): (161, "CoverageInfoMap"),
    ("read_only_space", 0x00a3d): (133, "FixedDoubleArrayMap"),
    ("read_only_space", 0x00a65): (119, "GlobalDictionaryMap"),
    ("read_only_space", 0x00a8d): (96, "ManyClosuresCellMap"),
    ("read_only_space", 0x00ab5): (116, "ModuleInfoMap"),
    ("read_only_space", 0x00add): (120, "NameDictionaryMap"),
    ("read_only_space", 0x00b05): (96, "NoClosuresCellMap"),
    ("read_only_space", 0x00b2d): (121, "NumberDictionaryMap"),
    ("read_only_space", 0x00b55): (96, "OneClosureCellMap"),
    ("read_only_space", 0x00b7d): (122, "OrderedHashMapMap"),
    ("read_only_space", 0x00ba5): (123, "OrderedHashSetMap"),
    ("read_only_space", 0x00bcd): (124, "OrderedNameDictionaryMap"),
    ("read_only_space", 0x00bf5): (172, "PreparseDataMap"),
    ("read_only_space", 0x00c1d): (173, "PropertyArrayMap"),
    ("read_only_space", 0x00c45): (92, "SideEffectCallHandlerInfoMap"),
    ("read_only_space", 0x00c6d): (92, "SideEffectFreeCallHandlerInfoMap"),
    ("read_only_space", 0x00c95): (92, "NextCallSideEffectFreeCallHandlerInfoMap"),
    ("read_only_space", 0x00cbd): (125, "SimpleNumberDictionaryMap"),
    ("read_only_space", 0x00ce5): (149, "SmallOrderedHashMapMap"),
    ("read_only_space", 0x00d0d): (150, "SmallOrderedHashSetMap"),
    ("read_only_space", 0x00d35): (151, "SmallOrderedNameDictionaryMap"),
    ("read_only_space", 0x00d5d): (152, "SourceTextModuleMap"),
    ("read_only_space", 0x00d85): (126, "StringTableMap"),
    ("read_only_space", 0x00dad): (153, "SyntheticModuleMap"),
    ("read_only_space", 0x00dd5): (155, "UncompiledDataWithoutPreparseDataMap"),
    ("read_only_space", 0x00dfd): (154, "UncompiledDataWithPreparseDataMap"),
    ("read_only_space", 0x00e25): (181, "WeakArrayListMap"),
    ("read_only_space", 0x00e4d): (118, "EphemeronHashTableMap"),
    ("read_only_space", 0x00e75): (163, "EmbedderDataArrayMap"),
    ("read_only_space", 0x00e9d): (182, "WeakCellMap"),
    ("read_only_space", 0x00ec5): (32, "StringMap"),
    ("read_only_space", 0x00eed): (41, "ConsOneByteStringMap"),
    ("read_only_space", 0x00f15): (33, "ConsStringMap"),
    ("read_only_space", 0x00f3d): (37, "ThinStringMap"),
    ("read_only_space", 0x00f65): (35, "SlicedStringMap"),
    ("read_only_space", 0x00f8d): (43, "SlicedOneByteStringMap"),
    ("read_only_space", 0x00fb5): (34, "ExternalStringMap"),
    ("read_only_space", 0x00fdd): (42, "ExternalOneByteStringMap"),
    ("read_only_space", 0x01005): (50, "UncachedExternalStringMap"),
    ("read_only_space", 0x0102d): (0, "InternalizedStringMap"),
    ("read_only_space", 0x01055): (2, "ExternalInternalizedStringMap"),
    ("read_only_space", 0x0107d): (10, "ExternalOneByteInternalizedStringMap"),
    ("read_only_space", 0x010a5): (18, "UncachedExternalInternalizedStringMap"),
    ("read_only_space", 0x010cd): (26, "UncachedExternalOneByteInternalizedStringMap"),
    ("read_only_space", 0x010f5): (58, "UncachedExternalOneByteStringMap"),
    ("read_only_space", 0x0111d): (67, "SelfReferenceMarkerMap"),
    ("read_only_space", 0x01145): (67, "BasicBlockCountersMarkerMap"),
    ("read_only_space", 0x01179): (95, "EnumCacheMap"),
    ("read_only_space", 0x011c9): (86, "ArrayBoilerplateDescriptionMap"),
    ("read_only_space", 0x012b5): (98, "InterceptorInfoMap"),
    ("read_only_space", 0x03369): (71, "PromiseFulfillReactionJobTaskMap"),
    ("read_only_space", 0x03391): (72, "PromiseRejectReactionJobTaskMap"),
    ("read_only_space", 0x033b9): (73, "CallableTaskMap"),
    ("read_only_space", 0x033e1): (74, "CallbackTaskMap"),
    ("read_only_space", 0x03409): (75, "PromiseResolveThenableJobTaskMap"),
    ("read_only_space", 0x03431): (78, "FunctionTemplateInfoMap"),
    ("read_only_space", 0x03459): (79, "ObjectTemplateInfoMap"),
    ("read_only_space", 0x03481): (80, "AccessCheckInfoMap"),
    ("read_only_space", 0x034a9): (81, "AccessorInfoMap"),
    ("read_only_space", 0x034d1): (82, "AccessorPairMap"),
    ("read_only_space", 0x034f9): (83, "AliasedArgumentsEntryMap"),
    ("read_only_space", 0x03521): (84, "AllocationMementoMap"),
    ("read_only_space", 0x03549): (87, "AsmWasmDataMap"),
    ("read_only_space", 0x03571): (88, "AsyncGeneratorRequestMap"),
    ("read_only_space", 0x03599): (89, "BreakPointMap"),
    ("read_only_space", 0x035c1): (90, "BreakPointInfoMap"),
    ("read_only_space", 0x035e9): (91, "CachedTemplateObjectMap"),
    ("read_only_space", 0x03611): (93, "ClassPositionsMap"),
    ("read_only_space", 0x03639): (94, "DebugInfoMap"),
    ("read_only_space", 0x03661): (97, "FunctionTemplateRareDataMap"),
    ("read_only_space", 0x03689): (99, "InterpreterDataMap"),
    ("read_only_space", 0x036b1): (100, "PromiseCapabilityMap"),
    ("read_only_space", 0x036d9): (101, "PromiseReactionMap"),
    ("read_only_space", 0x03701): (102, "PropertyDescriptorObjectMap"),
    ("read_only_space", 0x03729): (103, "PrototypeInfoMap"),
    ("read_only_space", 0x03751): (104, "ScriptMap"),
    ("read_only_space", 0x03779): (105, "SourceTextModuleInfoEntryMap"),
    ("read_only_space", 0x037a1): (106, "StackFrameInfoMap"),
    ("read_only_space", 0x037c9): (107, "StackTraceFrameMap"),
    ("read_only_space", 0x037f1): (108, "TemplateObjectDescriptionMap"),
    ("read_only_space", 0x03819): (109, "Tuple2Map"),
    ("read_only_space", 0x03841): (110, "WasmCapiFunctionDataMap"),
    ("read_only_space", 0x03869): (111, "WasmExceptionTagMap"),
    ("read_only_space", 0x03891): (112, "WasmExportedFunctionDataMap"),
    ("read_only_space", 0x038b9): (113, "WasmIndirectFunctionTableMap"),
    ("read_only_space", 0x038e1): (114, "WasmJSFunctionDataMap"),
    ("read_only_space", 0x03909): (115, "WasmValueMap"),
    ("read_only_space", 0x03931): (135, "SloppyArgumentsElementsMap"),
    ("read_only_space", 0x03959): (171, "OnHeapBasicBlockProfilerDataMap"),
    ("read_only_space", 0x03981): (168, "InternalClassMap"),
    ("read_only_space", 0x039a9): (177, "SmiPairMap"),
    ("read_only_space", 0x039d1): (176, "SmiBoxMap"),
    ("read_only_space", 0x039f9): (146, "ExportedSubClassBaseMap"),
    ("read_only_space", 0x03a21): (147, "ExportedSubClassMap"),
    ("read_only_space", 0x03a49): (68, "AbstractInternalClassSubclass1Map"),
    ("read_only_space", 0x03a71): (69, "AbstractInternalClassSubclass2Map"),
    ("read_only_space", 0x03a99): (134, "InternalClassWithSmiElementsMap"),
    ("read_only_space", 0x03ac1): (169, "InternalClassWithStructElementsMap"),
    ("read_only_space", 0x03ae9): (148, "ExportedSubClass2Map"),
    ("read_only_space", 0x03b11): (178, "SortStateMap"),
    ("read_only_space", 0x03b39): (85, "AllocationSiteWithWeakNextMap"),
    ("read_only_space", 0x03b61): (85, "AllocationSiteWithoutWeakNextMap"),
    ("read_only_space", 0x03b89): (76, "LoadHandler1Map"),
    ("read_only_space", 0x03bb1): (76, "LoadHandler2Map"),
    ("read_only_space", 0x03bd9): (76, "LoadHandler3Map"),
    ("read_only_space", 0x03c01): (77, "StoreHandler0Map"),
    ("read_only_space", 0x03c29): (77, "StoreHandler1Map"),
    ("read_only_space", 0x03c51): (77, "StoreHandler2Map"),
    ("read_only_space", 0x03c79): (77, "StoreHandler3Map"),
    ("map_space", 0x00121): (1057, "ExternalMap"),
    ("map_space", 0x00149): (1072, "JSMessageObjectMap"),
  }
  
  # List of known V8 objects.
  KNOWN_OBJECTS = {
    ("read_only_space", 0x00171): "NullValue",
    ("read_only_space", 0x001b5): "EmptyDescriptorArray",
    ("read_only_space", 0x001ed): "EmptyWeakFixedArray",
    ("read_only_space", 0x0026d): "UninitializedValue",
    ("read_only_space", 0x0030d): "UndefinedValue",
    ("read_only_space", 0x00351): "NanValue",
    ("read_only_space", 0x00385): "TheHoleValue",
    ("read_only_space", 0x003d9): "HoleNanValue",
    ("read_only_space", 0x003e5): "TrueValue",
    ("read_only_space", 0x0044d): "FalseValue",
    ("read_only_space", 0x0047d): "empty_string",
    ("read_only_space", 0x006e1): "EmptyScopeInfo",
    ("read_only_space", 0x006e9): "EmptyFixedArray",
    ("read_only_space", 0x006f1): "ArgumentsMarker",
    ("read_only_space", 0x00751): "Exception",
    ("read_only_space", 0x007ad): "TerminationException",
    ("read_only_space", 0x00815): "OptimizedOut",
    ("read_only_space", 0x00875): "StaleRegister",
    ("read_only_space", 0x0116d): "EmptyEnumCache",
    ("read_only_space", 0x011a1): "EmptyPropertyArray",
    ("read_only_space", 0x011a9): "EmptyByteArray",
    ("read_only_space", 0x011b1): "EmptyObjectBoilerplateDescription",
    ("read_only_space", 0x011bd): "EmptyArrayBoilerplateDescription",
    ("read_only_space", 0x011f1): "EmptyClosureFeedbackCellArray",
    ("read_only_space", 0x011f9): "EmptySlowElementDictionary",
    ("read_only_space", 0x0121d): "EmptyOrderedHashMap",
    ("read_only_space", 0x01231): "EmptyOrderedHashSet",
    ("read_only_space", 0x01245): "EmptyFeedbackMetadata",
    ("read_only_space", 0x01251): "EmptyPropertyCell",
    ("read_only_space", 0x01265): "EmptyPropertyDictionary",
    ("read_only_space", 0x0128d): "NoOpInterceptorInfo",
    ("read_only_space", 0x012dd): "EmptyWeakArrayList",
    ("read_only_space", 0x012e9): "InfinityValue",
    ("read_only_space", 0x012f5): "MinusZeroValue",
    ("read_only_space", 0x01301): "MinusInfinityValue",
    ("read_only_space", 0x0130d): "SelfReferenceMarker",
    ("read_only_space", 0x0134d): "BasicBlockCountersMarker",
    ("read_only_space", 0x01391): "OffHeapTrampolineRelocationInfo",
    ("read_only_space", 0x0139d): "TrampolineTrivialCodeDataContainer",
    ("read_only_space", 0x013a9): "TrampolinePromiseRejectionCodeDataContainer",
    ("read_only_space", 0x013b5): "GlobalThisBindingScopeInfo",
    ("read_only_space", 0x013ed): "EmptyFunctionScopeInfo",
    ("read_only_space", 0x01415): "NativeScopeInfo",
    ("read_only_space", 0x01431): "HashSeed",
    ("old_space", 0x00121): "ArgumentsIteratorAccessor",
    ("old_space", 0x00165): "ArrayLengthAccessor",
    ("old_space", 0x001a9): "BoundFunctionLengthAccessor",
    ("old_space", 0x001ed): "BoundFunctionNameAccessor",
    ("old_space", 0x00231): "ErrorStackAccessor",
    ("old_space", 0x00275): "FunctionArgumentsAccessor",
    ("old_space", 0x002b9): "FunctionCallerAccessor",
    ("old_space", 0x002fd): "FunctionNameAccessor",
    ("old_space", 0x00341): "FunctionLengthAccessor",
    ("old_space", 0x00385): "FunctionPrototypeAccessor",
    ("old_space", 0x003c9): "RegExpResultIndicesAccessor",
    ("old_space", 0x0040d): "StringLengthAccessor",
    ("old_space", 0x00451): "InvalidPrototypeValidityCell",
    ("old_space", 0x00459): "EmptyScript",
    ("old_space", 0x00499): "ManyClosuresCell",
    ("old_space", 0x004a5): "ArrayConstructorProtector",
    ("old_space", 0x004b9): "NoElementsProtector",
    ("old_space", 0x004cd): "IsConcatSpreadableProtector",
    ("old_space", 0x004e1): "ArraySpeciesProtector",
    ("old_space", 0x004f5): "TypedArraySpeciesProtector",
    ("old_space", 0x00509): "PromiseSpeciesProtector",
    ("old_space", 0x0051d): "RegExpSpeciesProtector",
    ("old_space", 0x00531): "StringLengthProtector",
    ("old_space", 0x00545): "ArrayIteratorProtector",
    ("old_space", 0x00559): "ArrayBufferDetachingProtector",
    ("old_space", 0x0056d): "PromiseHookProtector",
    ("old_space", 0x00581): "PromiseResolveProtector",
    ("old_space", 0x00595): "MapIteratorProtector",
    ("old_space", 0x005a9): "PromiseThenProtector",
    ("old_space", 0x005bd): "SetIteratorProtector",
    ("old_space", 0x005d1): "StringIteratorProtector",
    ("old_space", 0x005e5): "SingleCharacterStringCache",
    ("old_space", 0x009ed): "StringSplitCache",
    ("old_space", 0x00df5): "RegExpMultipleCache",
    ("old_space", 0x011fd): "BuiltinsConstantsTable",
    ("old_space", 0x015a1): "AsyncFunctionAwaitRejectSharedFun",
    ("old_space", 0x015c9): "AsyncFunctionAwaitResolveSharedFun",
    ("old_space", 0x015f1): "AsyncGeneratorAwaitRejectSharedFun",
    ("old_space", 0x01619): "AsyncGeneratorAwaitResolveSharedFun",
    ("old_space", 0x01641): "AsyncGeneratorYieldResolveSharedFun",
    ("old_space", 0x01669): "AsyncGeneratorReturnResolveSharedFun",
    ("old_space", 0x01691): "AsyncGeneratorReturnClosedRejectSharedFun",
    ("old_space", 0x016b9): "AsyncGeneratorReturnClosedResolveSharedFun",
    ("old_space", 0x016e1): "AsyncIteratorValueUnwrapSharedFun",
    ("old_space", 0x01709): "PromiseAllResolveElementSharedFun",
    ("old_space", 0x01731): "PromiseAllSettledResolveElementSharedFun",
    ("old_space", 0x01759): "PromiseAllSettledRejectElementSharedFun",
    ("old_space", 0x01781): "PromiseAnyRejectElementSharedFun",
    ("old_space", 0x017a9): "PromiseCapabilityDefaultRejectSharedFun",
    ("old_space", 0x017d1): "PromiseCapabilityDefaultResolveSharedFun",
    ("old_space", 0x017f9): "PromiseCatchFinallySharedFun",
    ("old_space", 0x01821): "PromiseGetCapabilitiesExecutorSharedFun",
    ("old_space", 0x01849): "PromiseThenFinallySharedFun",
    ("old_space", 0x01871): "PromiseThrowerFinallySharedFun",
    ("old_space", 0x01899): "PromiseValueThunkFinallySharedFun",
    ("old_space", 0x018c1): "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",
    "ARGUMENTS_ADAPTOR",
    "BUILTIN",
    "BUILTIN_EXIT",
    "NATIVE",
  )
  
  # This set of constants is generated from a shipping build.
  