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1efe8685be
v8/tools/v8heapconst.py
Shu-yu Guo 388a80bab7 [snapshots] Add a new snapshot for shared heap objects 
This CL adds a new snapshot to hold objects that are in the shared heap
or may need to be in the shared heap depending on runtime flags.
Currently this is to support --shared-string-table, which puts all
in-place-internalizable strings, internalized strings, and the
string table into the shared heap.

The shared heap snapshot is never deserialized into client Isolates.
This means when V8 is started without a shared Isolate, the shared heap
snapshot is deserialized into all Isolates.

Bug: v8:12007
Change-Id: I7eeab73080cda2e8250a5a49747f25b2440a349d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3173905
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77309}
2021-10-08 23:24:58 +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_FUNCTION_DATA_TYPE",
72: "WASM_CAPI_FUNCTION_DATA_TYPE",
73: "WASM_EXPORTED_FUNCTION_DATA_TYPE",
74: "WASM_JS_FUNCTION_DATA_TYPE",
75: "WASM_TYPE_INFO_TYPE",
76: "PROMISE_FULFILL_REACTION_JOB_TASK_TYPE",
77: "PROMISE_REJECT_REACTION_JOB_TASK_TYPE",
78: "CALLABLE_TASK_TYPE",
79: "CALLBACK_TASK_TYPE",
80: "PROMISE_RESOLVE_THENABLE_JOB_TASK_TYPE",
81: "LOAD_HANDLER_TYPE",
82: "STORE_HANDLER_TYPE",
83: "FUNCTION_TEMPLATE_INFO_TYPE",
84: "OBJECT_TEMPLATE_INFO_TYPE",
85: "ACCESS_CHECK_INFO_TYPE",
86: "ACCESSOR_INFO_TYPE",
87: "ACCESSOR_PAIR_TYPE",
88: "ALIASED_ARGUMENTS_ENTRY_TYPE",
89: "ALLOCATION_MEMENTO_TYPE",
90: "ALLOCATION_SITE_TYPE",
91: "ARRAY_BOILERPLATE_DESCRIPTION_TYPE",
92: "ASM_WASM_DATA_TYPE",
93: "ASYNC_GENERATOR_REQUEST_TYPE",
94: "BREAK_POINT_TYPE",
95: "BREAK_POINT_INFO_TYPE",
96: "CACHED_TEMPLATE_OBJECT_TYPE",
97: "CALL_HANDLER_INFO_TYPE",
98: "CLASS_POSITIONS_TYPE",
99: "DEBUG_INFO_TYPE",
100: "ENUM_CACHE_TYPE",
101: "FEEDBACK_CELL_TYPE",
102: "FUNCTION_TEMPLATE_RARE_DATA_TYPE",
103: "INTERCEPTOR_INFO_TYPE",
104: "INTERPRETER_DATA_TYPE",
105: "MODULE_REQUEST_TYPE",
106: "PROMISE_CAPABILITY_TYPE",
107: "PROMISE_REACTION_TYPE",
108: "PROPERTY_DESCRIPTOR_OBJECT_TYPE",
109: "PROTOTYPE_INFO_TYPE",
110: "REG_EXP_BOILERPLATE_DESCRIPTION_TYPE",
111: "SCRIPT_TYPE",
112: "SOURCE_TEXT_MODULE_INFO_ENTRY_TYPE",
113: "STACK_FRAME_INFO_TYPE",
114: "TEMPLATE_OBJECT_DESCRIPTION_TYPE",
115: "TUPLE2_TYPE",
116: "WASM_EXCEPTION_TAG_TYPE",
117: "WASM_INDIRECT_FUNCTION_TABLE_TYPE",
118: "FIXED_ARRAY_TYPE",
119: "HASH_TABLE_TYPE",
120: "EPHEMERON_HASH_TABLE_TYPE",
121: "GLOBAL_DICTIONARY_TYPE",
122: "NAME_DICTIONARY_TYPE",
123: "NUMBER_DICTIONARY_TYPE",
124: "ORDERED_HASH_MAP_TYPE",
125: "ORDERED_HASH_SET_TYPE",
126: "ORDERED_NAME_DICTIONARY_TYPE",
127: "SIMPLE_NUMBER_DICTIONARY_TYPE",
128: "CLOSURE_FEEDBACK_CELL_ARRAY_TYPE",
129: "OBJECT_BOILERPLATE_DESCRIPTION_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: "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: "CALL_REF_DATA_TYPE",
161: "CELL_TYPE",
162: "CODE_TYPE",
163: "CODE_DATA_CONTAINER_TYPE",
164: "COVERAGE_INFO_TYPE",
165: "EMBEDDER_DATA_ARRAY_TYPE",
166: "FEEDBACK_METADATA_TYPE",
167: "FEEDBACK_VECTOR_TYPE",
168: "FILLER_TYPE",
169: "FREE_SPACE_TYPE",
170: "INTERNAL_CLASS_TYPE",
171: "INTERNAL_CLASS_WITH_STRUCT_ELEMENTS_TYPE",
172: "MAP_TYPE",
173: "MEGA_DOM_HANDLER_TYPE",
174: "ON_HEAP_BASIC_BLOCK_PROFILER_DATA_TYPE",
175: "PREPARSE_DATA_TYPE",
176: "PROPERTY_ARRAY_TYPE",
177: "PROPERTY_CELL_TYPE",
178: "SCOPE_INFO_TYPE",
179: "SHARED_FUNCTION_INFO_TYPE",
180: "SMI_BOX_TYPE",
181: "SMI_PAIR_TYPE",
182: "SORT_STATE_TYPE",
183: "SWISS_NAME_DICTIONARY_TYPE",
184: "WEAK_ARRAY_LIST_TYPE",
185: "WEAK_CELL_TYPE",
186: "WASM_ARRAY_TYPE",
187: "WASM_STRUCT_TYPE",
188: "JS_PROXY_TYPE",
1057: "JS_OBJECT_TYPE",
189: "JS_GLOBAL_OBJECT_TYPE",
190: "JS_GLOBAL_PROXY_TYPE",
191: "JS_MODULE_NAMESPACE_TYPE",
1040: "JS_SPECIAL_API_OBJECT_TYPE",
1041: "JS_PRIMITIVE_WRAPPER_TYPE",
1058: "JS_API_OBJECT_TYPE",
2058: "JS_LAST_DUMMY_API_OBJECT_TYPE",
2059: "JS_BOUND_FUNCTION_TYPE",
2060: "JS_FUNCTION_TYPE",
2061: "BIGINT64_TYPED_ARRAY_CONSTRUCTOR_TYPE",
2062: "BIGUINT64_TYPED_ARRAY_CONSTRUCTOR_TYPE",
2063: "FLOAT32_TYPED_ARRAY_CONSTRUCTOR_TYPE",
2064: "FLOAT64_TYPED_ARRAY_CONSTRUCTOR_TYPE",
2065: "INT16_TYPED_ARRAY_CONSTRUCTOR_TYPE",
2066: "INT32_TYPED_ARRAY_CONSTRUCTOR_TYPE",
2067: "INT8_TYPED_ARRAY_CONSTRUCTOR_TYPE",
2068: "UINT16_TYPED_ARRAY_CONSTRUCTOR_TYPE",
2069: "UINT32_TYPED_ARRAY_CONSTRUCTOR_TYPE",
2070: "UINT8_CLAMPED_TYPED_ARRAY_CONSTRUCTOR_TYPE",
2071: "UINT8_TYPED_ARRAY_CONSTRUCTOR_TYPE",
2072: "JS_ARRAY_CONSTRUCTOR_TYPE",
2073: "JS_PROMISE_CONSTRUCTOR_TYPE",
2074: "JS_REG_EXP_CONSTRUCTOR_TYPE",
2075: "JS_CLASS_CONSTRUCTOR_TYPE",
2076: "JS_ARRAY_ITERATOR_PROTOTYPE_TYPE",
2077: "JS_ITERATOR_PROTOTYPE_TYPE",
2078: "JS_MAP_ITERATOR_PROTOTYPE_TYPE",
2079: "JS_OBJECT_PROTOTYPE_TYPE",
2080: "JS_PROMISE_PROTOTYPE_TYPE",
2081: "JS_REG_EXP_PROTOTYPE_TYPE",
2082: "JS_SET_ITERATOR_PROTOTYPE_TYPE",
2083: "JS_SET_PROTOTYPE_TYPE",
2084: "JS_STRING_ITERATOR_PROTOTYPE_TYPE",
2085: "JS_TYPED_ARRAY_PROTOTYPE_TYPE",
2086: "JS_MAP_KEY_ITERATOR_TYPE",
2087: "JS_MAP_KEY_VALUE_ITERATOR_TYPE",
2088: "JS_MAP_VALUE_ITERATOR_TYPE",
2089: "JS_SET_KEY_VALUE_ITERATOR_TYPE",
2090: "JS_SET_VALUE_ITERATOR_TYPE",
2091: "JS_GENERATOR_OBJECT_TYPE",
2092: "JS_ASYNC_FUNCTION_OBJECT_TYPE",
2093: "JS_ASYNC_GENERATOR_OBJECT_TYPE",
2094: "JS_DATA_VIEW_TYPE",
2095: "JS_TYPED_ARRAY_TYPE",
2096: "JS_MAP_TYPE",
2097: "JS_SET_TYPE",
2098: "JS_WEAK_MAP_TYPE",
2099: "JS_WEAK_SET_TYPE",
2100: "JS_ARGUMENTS_OBJECT_TYPE",
2101: "JS_ARRAY_TYPE",
2102: "JS_ARRAY_BUFFER_TYPE",
2103: "JS_ARRAY_ITERATOR_TYPE",
2104: "JS_ASYNC_FROM_SYNC_ITERATOR_TYPE",
2105: "JS_COLLATOR_TYPE",
2106: "JS_CONTEXT_EXTENSION_OBJECT_TYPE",
2107: "JS_DATE_TYPE",
2108: "JS_DATE_TIME_FORMAT_TYPE",
2109: "JS_DISPLAY_NAMES_TYPE",
2110: "JS_ERROR_TYPE",
2111: "JS_FINALIZATION_REGISTRY_TYPE",
2112: "JS_LIST_FORMAT_TYPE",
2113: "JS_LOCALE_TYPE",
2114: "JS_MESSAGE_OBJECT_TYPE",
2115: "JS_NUMBER_FORMAT_TYPE",
2116: "JS_PLURAL_RULES_TYPE",
2117: "JS_PROMISE_TYPE",
2118: "JS_REG_EXP_TYPE",
2119: "JS_REG_EXP_STRING_ITERATOR_TYPE",
2120: "JS_RELATIVE_TIME_FORMAT_TYPE",
2121: "JS_SEGMENT_ITERATOR_TYPE",
2122: "JS_SEGMENTER_TYPE",
2123: "JS_SEGMENTS_TYPE",
2124: "JS_STRING_ITERATOR_TYPE",
2125: "JS_TEMPORAL_CALENDAR_TYPE",
2126: "JS_TEMPORAL_DURATION_TYPE",
2127: "JS_TEMPORAL_INSTANT_TYPE",
2128: "JS_TEMPORAL_PLAIN_DATE_TYPE",
2129: "JS_TEMPORAL_PLAIN_DATE_TIME_TYPE",
2130: "JS_TEMPORAL_PLAIN_MONTH_DAY_TYPE",
2131: "JS_TEMPORAL_PLAIN_TIME_TYPE",
2132: "JS_TEMPORAL_PLAIN_YEAR_MONTH_TYPE",
2133: "JS_TEMPORAL_TIME_ZONE_TYPE",
2134: "JS_TEMPORAL_ZONED_DATE_TIME_TYPE",
2135: "JS_V8_BREAK_ITERATOR_TYPE",
2136: "JS_WEAK_REF_TYPE",
2137: "WASM_GLOBAL_OBJECT_TYPE",
2138: "WASM_INSTANCE_OBJECT_TYPE",
2139: "WASM_MEMORY_OBJECT_TYPE",
2140: "WASM_MODULE_OBJECT_TYPE",
2141: "WASM_TABLE_OBJECT_TYPE",
2142: "WASM_TAG_OBJECT_TYPE",
2143: "WASM_VALUE_OBJECT_TYPE",
}
# List of known V8 maps.
KNOWN_MAPS = {
("read_only_space", 0x02119): (172, "MetaMap"),
("read_only_space", 0x02141): (67, "NullMap"),
("read_only_space", 0x02169): (153, "StrongDescriptorArrayMap"),
("read_only_space", 0x02191): (158, "WeakFixedArrayMap"),
("read_only_space", 0x021d1): (100, "EnumCacheMap"),
("read_only_space", 0x02205): (118, "FixedArrayMap"),
("read_only_space", 0x02251): (8, "OneByteInternalizedStringMap"),
("read_only_space", 0x0229d): (169, "FreeSpaceMap"),
("read_only_space", 0x022c5): (168, "OnePointerFillerMap"),
("read_only_space", 0x022ed): (168, "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): (131, "ByteArrayMap"),
("read_only_space", 0x02531): (118, "FixedCOWArrayMap"),
("read_only_space", 0x02559): (119, "HashTableMap"),
("read_only_space", 0x02581): (64, "SymbolMap"),
("read_only_space", 0x025a9): (40, "OneByteStringMap"),
("read_only_space", 0x025d1): (178, "ScopeInfoMap"),
("read_only_space", 0x025f9): (179, "SharedFunctionInfoMap"),
("read_only_space", 0x02621): (162, "CodeMap"),
("read_only_space", 0x02649): (161, "CellMap"),
("read_only_space", 0x02671): (177, "GlobalPropertyCellMap"),
("read_only_space", 0x02699): (70, "ForeignMap"),
("read_only_space", 0x026c1): (159, "TransitionArrayMap"),
("read_only_space", 0x026e9): (45, "ThinOneByteStringMap"),
("read_only_space", 0x02711): (167, "FeedbackVectorMap"),
("read_only_space", 0x02749): (67, "ArgumentsMarkerMap"),
("read_only_space", 0x027a9): (67, "ExceptionMap"),
("read_only_space", 0x02805): (67, "TerminationExceptionMap"),
("read_only_space", 0x0286d): (67, "OptimizedOutMap"),
("read_only_space", 0x028cd): (67, "StaleRegisterMap"),
("read_only_space", 0x0292d): (130, "ScriptContextTableMap"),
("read_only_space", 0x02955): (128, "ClosureFeedbackCellArrayMap"),
("read_only_space", 0x0297d): (166, "FeedbackMetadataArrayMap"),
("read_only_space", 0x029a5): (118, "ArrayListMap"),
("read_only_space", 0x029cd): (65, "BigIntMap"),
("read_only_space", 0x029f5): (129, "ObjectBoilerplateDescriptionMap"),
("read_only_space", 0x02a1d): (132, "BytecodeArrayMap"),
("read_only_space", 0x02a45): (163, "CodeDataContainerMap"),
("read_only_space", 0x02a6d): (164, "CoverageInfoMap"),
("read_only_space", 0x02a95): (133, "FixedDoubleArrayMap"),
("read_only_space", 0x02abd): (121, "GlobalDictionaryMap"),
("read_only_space", 0x02ae5): (101, "ManyClosuresCellMap"),
("read_only_space", 0x02b0d): (173, "MegaDomHandlerMap"),
("read_only_space", 0x02b35): (118, "ModuleInfoMap"),
("read_only_space", 0x02b5d): (122, "NameDictionaryMap"),
("read_only_space", 0x02b85): (101, "NoClosuresCellMap"),
("read_only_space", 0x02bad): (123, "NumberDictionaryMap"),
("read_only_space", 0x02bd5): (101, "OneClosureCellMap"),
("read_only_space", 0x02bfd): (124, "OrderedHashMapMap"),
("read_only_space", 0x02c25): (125, "OrderedHashSetMap"),
("read_only_space", 0x02c4d): (126, "OrderedNameDictionaryMap"),
("read_only_space", 0x02c75): (175, "PreparseDataMap"),
("read_only_space", 0x02c9d): (176, "PropertyArrayMap"),
("read_only_space", 0x02cc5): (97, "SideEffectCallHandlerInfoMap"),
("read_only_space", 0x02ced): (97, "SideEffectFreeCallHandlerInfoMap"),
("read_only_space", 0x02d15): (97, "NextCallSideEffectFreeCallHandlerInfoMap"),
("read_only_space", 0x02d3d): (127, "SimpleNumberDictionaryMap"),
("read_only_space", 0x02d65): (149, "SmallOrderedHashMapMap"),
("read_only_space", 0x02d8d): (150, "SmallOrderedHashSetMap"),
("read_only_space", 0x02db5): (151, "SmallOrderedNameDictionaryMap"),
("read_only_space", 0x02ddd): (154, "SourceTextModuleMap"),
("read_only_space", 0x02e05): (183, "SwissNameDictionaryMap"),
("read_only_space", 0x02e2d): (155, "SyntheticModuleMap"),
("read_only_space", 0x02e55): (72, "WasmCapiFunctionDataMap"),
("read_only_space", 0x02e7d): (73, "WasmExportedFunctionDataMap"),
("read_only_space", 0x02ea5): (74, "WasmJSFunctionDataMap"),
("read_only_space", 0x02ecd): (75, "WasmTypeInfoMap"),
("read_only_space", 0x02ef5): (184, "WeakArrayListMap"),
("read_only_space", 0x02f1d): (120, "EphemeronHashTableMap"),
("read_only_space", 0x02f45): (165, "EmbedderDataArrayMap"),
("read_only_space", 0x02f6d): (185, "WeakCellMap"),
("read_only_space", 0x02f95): (32, "StringMap"),
("read_only_space", 0x02fbd): (41, "ConsOneByteStringMap"),
("read_only_space", 0x02fe5): (33, "ConsStringMap"),
("read_only_space", 0x0300d): (37, "ThinStringMap"),
("read_only_space", 0x03035): (35, "SlicedStringMap"),
("read_only_space", 0x0305d): (43, "SlicedOneByteStringMap"),
("read_only_space", 0x03085): (34, "ExternalStringMap"),
("read_only_space", 0x030ad): (42, "ExternalOneByteStringMap"),
("read_only_space", 0x030d5): (50, "UncachedExternalStringMap"),
("read_only_space", 0x030fd): (0, "InternalizedStringMap"),
("read_only_space", 0x03125): (2, "ExternalInternalizedStringMap"),
("read_only_space", 0x0314d): (10, "ExternalOneByteInternalizedStringMap"),
("read_only_space", 0x03175): (18, "UncachedExternalInternalizedStringMap"),
("read_only_space", 0x0319d): (26, "UncachedExternalOneByteInternalizedStringMap"),
("read_only_space", 0x031c5): (58, "UncachedExternalOneByteStringMap"),
("read_only_space", 0x031ed): (67, "SelfReferenceMarkerMap"),
("read_only_space", 0x03215): (67, "BasicBlockCountersMarkerMap"),
("read_only_space", 0x03259): (91, "ArrayBoilerplateDescriptionMap"),
("read_only_space", 0x03359): (103, "InterceptorInfoMap"),
("read_only_space", 0x05bf1): (76, "PromiseFulfillReactionJobTaskMap"),
("read_only_space", 0x05c19): (77, "PromiseRejectReactionJobTaskMap"),
("read_only_space", 0x05c41): (78, "CallableTaskMap"),
("read_only_space", 0x05c69): (79, "CallbackTaskMap"),
("read_only_space", 0x05c91): (80, "PromiseResolveThenableJobTaskMap"),
("read_only_space", 0x05cb9): (83, "FunctionTemplateInfoMap"),
("read_only_space", 0x05ce1): (84, "ObjectTemplateInfoMap"),
("read_only_space", 0x05d09): (85, "AccessCheckInfoMap"),
("read_only_space", 0x05d31): (86, "AccessorInfoMap"),
("read_only_space", 0x05d59): (87, "AccessorPairMap"),
("read_only_space", 0x05d81): (88, "AliasedArgumentsEntryMap"),
("read_only_space", 0x05da9): (89, "AllocationMementoMap"),
("read_only_space", 0x05dd1): (92, "AsmWasmDataMap"),
("read_only_space", 0x05df9): (93, "AsyncGeneratorRequestMap"),
("read_only_space", 0x05e21): (94, "BreakPointMap"),
("read_only_space", 0x05e49): (95, "BreakPointInfoMap"),
("read_only_space", 0x05e71): (96, "CachedTemplateObjectMap"),
("read_only_space", 0x05e99): (98, "ClassPositionsMap"),
("read_only_space", 0x05ec1): (99, "DebugInfoMap"),
("read_only_space", 0x05ee9): (102, "FunctionTemplateRareDataMap"),
("read_only_space", 0x05f11): (104, "InterpreterDataMap"),
("read_only_space", 0x05f39): (105, "ModuleRequestMap"),
("read_only_space", 0x05f61): (106, "PromiseCapabilityMap"),
("read_only_space", 0x05f89): (107, "PromiseReactionMap"),
("read_only_space", 0x05fb1): (108, "PropertyDescriptorObjectMap"),
("read_only_space", 0x05fd9): (109, "PrototypeInfoMap"),
("read_only_space", 0x06001): (110, "RegExpBoilerplateDescriptionMap"),
("read_only_space", 0x06029): (111, "ScriptMap"),
("read_only_space", 0x06051): (112, "SourceTextModuleInfoEntryMap"),
("read_only_space", 0x06079): (113, "StackFrameInfoMap"),
("read_only_space", 0x060a1): (114, "TemplateObjectDescriptionMap"),
("read_only_space", 0x060c9): (115, "Tuple2Map"),
("read_only_space", 0x060f1): (116, "WasmExceptionTagMap"),
("read_only_space", 0x06119): (117, "WasmIndirectFunctionTableMap"),
("read_only_space", 0x06141): (135, "SloppyArgumentsElementsMap"),
("read_only_space", 0x06169): (152, "DescriptorArrayMap"),
("read_only_space", 0x06191): (157, "UncompiledDataWithoutPreparseDataMap"),
("read_only_space", 0x061b9): (156, "UncompiledDataWithPreparseDataMap"),
("read_only_space", 0x061e1): (174, "OnHeapBasicBlockProfilerDataMap"),
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("read_only_space", 0x06349): (171, "InternalClassWithStructElementsMap"),
("read_only_space", 0x06371): (148, "ExportedSubClass2Map"),
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("read_only_space", 0x064d9): (82, "StoreHandler1Map"),
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("map_space", 0x02119): (1057, "ExternalMap"),
("map_space", 0x02141): (2114, "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", 0x02771): "ArgumentsMarker",
("read_only_space", 0x027d1): "Exception",
("read_only_space", 0x0282d): "TerminationException",
("read_only_space", 0x02895): "OptimizedOut",
("read_only_space", 0x028f5): "StaleRegister",
("read_only_space", 0x0323d): "EmptyPropertyArray",
("read_only_space", 0x03245): "EmptyByteArray",
("read_only_space", 0x0324d): "EmptyObjectBoilerplateDescription",
("read_only_space", 0x03281): "EmptyArrayBoilerplateDescription",
("read_only_space", 0x0328d): "EmptyClosureFeedbackCellArray",
("read_only_space", 0x03295): "EmptySlowElementDictionary",
("read_only_space", 0x032b9): "EmptyOrderedHashMap",
("read_only_space", 0x032cd): "EmptyOrderedHashSet",
("read_only_space", 0x032e1): "EmptyFeedbackMetadata",
("read_only_space", 0x032ed): "EmptyPropertyDictionary",
("read_only_space", 0x03315): "EmptyOrderedPropertyDictionary",
("read_only_space", 0x0332d): "EmptySwissPropertyDictionary",
("read_only_space", 0x03381): "NoOpInterceptorInfo",
("read_only_space", 0x033a9): "EmptyWeakArrayList",
("read_only_space", 0x033b5): "InfinityValue",
("read_only_space", 0x033c1): "MinusZeroValue",
("read_only_space", 0x033cd): "MinusInfinityValue",
("read_only_space", 0x033d9): "SelfReferenceMarker",
("read_only_space", 0x03419): "BasicBlockCountersMarker",
("read_only_space", 0x0345d): "OffHeapTrampolineRelocationInfo",
("read_only_space", 0x03469): "TrampolineTrivialCodeDataContainer",
("read_only_space", 0x03475): "TrampolinePromiseRejectionCodeDataContainer",
("read_only_space", 0x03481): "GlobalThisBindingScopeInfo",
("read_only_space", 0x034b5): "EmptyFunctionScopeInfo",
("read_only_space", 0x034d9): "NativeScopeInfo",
("read_only_space", 0x034f1): "HashSeed",
("old_space", 0x04aa1): "ArgumentsIteratorAccessor",
("old_space", 0x04ae5): "ArrayLengthAccessor",
("old_space", 0x04b29): "BoundFunctionLengthAccessor",
("old_space", 0x04b6d): "BoundFunctionNameAccessor",
("old_space", 0x04bb1): "ErrorStackAccessor",
("old_space", 0x04bf5): "FunctionArgumentsAccessor",
("old_space", 0x04c39): "FunctionCallerAccessor",
("old_space", 0x04c7d): "FunctionNameAccessor",
("old_space", 0x04cc1): "FunctionLengthAccessor",
("old_space", 0x04d05): "FunctionPrototypeAccessor",
("old_space", 0x04d49): "StringLengthAccessor",
("old_space", 0x04d8d): "InvalidPrototypeValidityCell",
("old_space", 0x04d95): "EmptyScript",
("old_space", 0x04dd5): "ManyClosuresCell",
("old_space", 0x04de1): "ArrayConstructorProtector",
("old_space", 0x04df5): "NoElementsProtector",
("old_space", 0x04e09): "MegaDOMProtector",
("old_space", 0x04e1d): "IsConcatSpreadableProtector",
("old_space", 0x04e31): "ArraySpeciesProtector",
("old_space", 0x04e45): "TypedArraySpeciesProtector",
("old_space", 0x04e59): "PromiseSpeciesProtector",
("old_space", 0x04e6d): "RegExpSpeciesProtector",
("old_space", 0x04e81): "StringLengthProtector",
("old_space", 0x04e95): "ArrayIteratorProtector",
("old_space", 0x04ea9): "ArrayBufferDetachingProtector",
("old_space", 0x04ebd): "PromiseHookProtector",
("old_space", 0x04ed1): "PromiseResolveProtector",
("old_space", 0x04ee5): "MapIteratorProtector",
("old_space", 0x04ef9): "PromiseThenProtector",
("old_space", 0x04f0d): "SetIteratorProtector",
("old_space", 0x04f21): "StringIteratorProtector",
("old_space", 0x04f35): "SingleCharacterStringCache",
("old_space", 0x0533d): "StringSplitCache",
("old_space", 0x05745): "RegExpMultipleCache",
("old_space", 0x05b4d): "BuiltinsConstantsTable",
("old_space", 0x05f75): "AsyncFunctionAwaitRejectSharedFun",
("old_space", 0x05f99): "AsyncFunctionAwaitResolveSharedFun",
("old_space", 0x05fbd): "AsyncGeneratorAwaitRejectSharedFun",
("old_space", 0x05fe1): "AsyncGeneratorAwaitResolveSharedFun",
("old_space", 0x06005): "AsyncGeneratorYieldResolveSharedFun",
("old_space", 0x06029): "AsyncGeneratorReturnResolveSharedFun",
("old_space", 0x0604d): "AsyncGeneratorReturnClosedRejectSharedFun",
("old_space", 0x06071): "AsyncGeneratorReturnClosedResolveSharedFun",
("old_space", 0x06095): "AsyncIteratorValueUnwrapSharedFun",
("old_space", 0x060b9): "PromiseAllResolveElementSharedFun",
("old_space", 0x060dd): "PromiseAllSettledResolveElementSharedFun",
("old_space", 0x06101): "PromiseAllSettledRejectElementSharedFun",
("old_space", 0x06125): "PromiseAnyRejectElementSharedFun",
("old_space", 0x06149): "PromiseCapabilityDefaultRejectSharedFun",
("old_space", 0x0616d): "PromiseCapabilityDefaultResolveSharedFun",
("old_space", 0x06191): "PromiseCatchFinallySharedFun",
("old_space", 0x061b5): "PromiseGetCapabilitiesExecutorSharedFun",
("old_space", 0x061d9): "PromiseThenFinallySharedFun",
("old_space", 0x061fd): "PromiseThrowerFinallySharedFun",
("old_space", 0x06221): "PromiseValueThunkFinallySharedFun",
("old_space", 0x06245): "ProxyRevokeSharedFun",
}
# Lower 32 bits of first page addresses for various heap spaces.
HEAP_FIRST_PAGES = {
0x080c0000: "old_space",
0x08100000: "map_space",
0x08000000: "read_only_space",
}
# List of known V8 Frame Markers.
FRAME_MARKERS = (
"ENTRY",
"CONSTRUCT_ENTRY",
"EXIT",
"WASM",
"WASM_TO_JS",
"JS_TO_WASM",
"WASM_DEBUG_BREAK",
"C_WASM_ENTRY",
"WASM_EXIT",
"WASM_COMPILE_LAZY",
"INTERPRETED",
"BASELINE",
"OPTIMIZED",
"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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