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8024204828
v8/tools/v8heapconst.py
Ulan Degenbaev 8024204828 [api] New v8::Isolate::MeasureMemory API with per-context sizes 
This adds a new API function that can be customized by the embedder
by providing a delegate that defines contexts to be measured and
reports the results to JS.

A memory measurement request is carried out as follows:

1) MeasureMemory(delegate) invocation enqueues a new request in
   MemoryMeasurement::received_ and schedules a delayed GC task.

2) At the start of the next GC (that is triggered either by the
   GC schedule or by the delayed task) each request in received_
   moves to processing_. Per-context marking worklists are created
   for each native context that was selected by the delegates
   (using the ShouldMeasure predicate).

3) At the end of the GC the sizes of the native contexts are
   recorded for each request in processing_. The requests move
   to the done_ list and result reporting task is scheduled.

4) When the result reporting task runs it invokes the
   MeasurementComplete function of each delegate in done_.


Bug: chromium:973627

Change-Id: I0254cae693c5b8fab7c85a9eca0a3a128210b6c4
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1981493
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65856}
2020-01-19 16:43:57 +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: "SOURCE_TEXT_MODULE_TYPE",
69: "SYNTHETIC_MODULE_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: "INTERNAL_CLASS_TYPE",
100: "INTERPRETER_DATA_TYPE",
101: "PROMISE_CAPABILITY_TYPE",
102: "PROMISE_REACTION_TYPE",
103: "PROPERTY_DESCRIPTOR_OBJECT_TYPE",
104: "PROTOTYPE_INFO_TYPE",
105: "SCRIPT_TYPE",
106: "SMI_BOX_TYPE",
107: "SMI_PAIR_TYPE",
108: "SORT_STATE_TYPE",
109: "SOURCE_TEXT_MODULE_INFO_ENTRY_TYPE",
110: "STACK_FRAME_INFO_TYPE",
111: "STACK_TRACE_FRAME_TYPE",
112: "TEMPLATE_OBJECT_DESCRIPTION_TYPE",
113: "TUPLE2_TYPE",
114: "WASM_CAPI_FUNCTION_DATA_TYPE",
115: "WASM_DEBUG_INFO_TYPE",
116: "WASM_EXCEPTION_TAG_TYPE",
117: "WASM_EXPORTED_FUNCTION_DATA_TYPE",
118: "WASM_INDIRECT_FUNCTION_TABLE_TYPE",
119: "WASM_JS_FUNCTION_DATA_TYPE",
120: "FIXED_ARRAY_TYPE",
121: "HASH_TABLE_TYPE",
122: "EPHEMERON_HASH_TABLE_TYPE",
123: "GLOBAL_DICTIONARY_TYPE",
124: "NAME_DICTIONARY_TYPE",
125: "NUMBER_DICTIONARY_TYPE",
126: "ORDERED_HASH_MAP_TYPE",
127: "ORDERED_HASH_SET_TYPE",
128: "ORDERED_NAME_DICTIONARY_TYPE",
129: "SIMPLE_NUMBER_DICTIONARY_TYPE",
130: "STRING_TABLE_TYPE",
131: "CLOSURE_FEEDBACK_CELL_ARRAY_TYPE",
132: "OBJECT_BOILERPLATE_DESCRIPTION_TYPE",
133: "SCOPE_INFO_TYPE",
134: "SCRIPT_CONTEXT_TABLE_TYPE",
135: "BYTE_ARRAY_TYPE",
136: "BYTECODE_ARRAY_TYPE",
137: "FIXED_DOUBLE_ARRAY_TYPE",
138: "AWAIT_CONTEXT_TYPE",
139: "BLOCK_CONTEXT_TYPE",
140: "CATCH_CONTEXT_TYPE",
141: "DEBUG_EVALUATE_CONTEXT_TYPE",
142: "EVAL_CONTEXT_TYPE",
143: "FUNCTION_CONTEXT_TYPE",
144: "MODULE_CONTEXT_TYPE",
145: "NATIVE_CONTEXT_TYPE",
146: "SCRIPT_CONTEXT_TYPE",
147: "WITH_CONTEXT_TYPE",
148: "SMALL_ORDERED_HASH_MAP_TYPE",
149: "SMALL_ORDERED_HASH_SET_TYPE",
150: "SMALL_ORDERED_NAME_DICTIONARY_TYPE",
151: "UNCOMPILED_DATA_WITH_PREPARSE_DATA_TYPE",
152: "UNCOMPILED_DATA_WITHOUT_PREPARSE_DATA_TYPE",
153: "WEAK_FIXED_ARRAY_TYPE",
154: "TRANSITION_ARRAY_TYPE",
155: "CELL_TYPE",
156: "CODE_TYPE",
157: "CODE_DATA_CONTAINER_TYPE",
158: "DESCRIPTOR_ARRAY_TYPE",
159: "EMBEDDER_DATA_ARRAY_TYPE",
160: "FEEDBACK_METADATA_TYPE",
161: "FEEDBACK_VECTOR_TYPE",
162: "FILLER_TYPE",
163: "FREE_SPACE_TYPE",
164: "MAP_TYPE",
165: "PREPARSE_DATA_TYPE",
166: "PROPERTY_ARRAY_TYPE",
167: "PROPERTY_CELL_TYPE",
168: "SHARED_FUNCTION_INFO_TYPE",
169: "WEAK_ARRAY_LIST_TYPE",
170: "WEAK_CELL_TYPE",
171: "JS_PROXY_TYPE",
1057: "JS_OBJECT_TYPE",
172: "JS_GLOBAL_OBJECT_TYPE",
173: "JS_GLOBAL_PROXY_TYPE",
174: "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_GROUP_TYPE",
1070: "JS_FINALIZATION_GROUP_CLEANUP_ITERATOR_TYPE",
1071: "JS_LIST_FORMAT_TYPE",
1072: "JS_LOCALE_TYPE",
1073: "JS_MESSAGE_OBJECT_TYPE",
1074: "JS_NUMBER_FORMAT_TYPE",
1075: "JS_PLURAL_RULES_TYPE",
1076: "JS_PROMISE_TYPE",
1077: "JS_REG_EXP_TYPE",
1078: "JS_REG_EXP_STRING_ITERATOR_TYPE",
1079: "JS_RELATIVE_TIME_FORMAT_TYPE",
1080: "JS_SEGMENT_ITERATOR_TYPE",
1081: "JS_SEGMENTER_TYPE",
1082: "JS_STRING_ITERATOR_TYPE",
1083: "JS_V8_BREAK_ITERATOR_TYPE",
1084: "JS_WEAK_REF_TYPE",
1085: "WASM_EXCEPTION_OBJECT_TYPE",
1086: "WASM_GLOBAL_OBJECT_TYPE",
1087: "WASM_INSTANCE_OBJECT_TYPE",
1088: "WASM_MEMORY_OBJECT_TYPE",
1089: "WASM_MODULE_OBJECT_TYPE",
1090: "WASM_TABLE_OBJECT_TYPE",
1091: "JS_BOUND_FUNCTION_TYPE",
1092: "JS_FUNCTION_TYPE",
}
# List of known V8 maps.
KNOWN_MAPS = {
("read_only_space", 0x00121): (163, "FreeSpaceMap"),
("read_only_space", 0x00149): (164, "MetaMap"),
("read_only_space", 0x0018d): (67, "NullMap"),
("read_only_space", 0x001c5): (158, "DescriptorArrayMap"),
("read_only_space", 0x001f5): (153, "WeakFixedArrayMap"),
("read_only_space", 0x0021d): (162, "OnePointerFillerMap"),
("read_only_space", 0x00245): (162, "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): (135, "ByteArrayMap"),
("read_only_space", 0x004b1): (120, "FixedArrayMap"),
("read_only_space", 0x004d9): (120, "FixedCOWArrayMap"),
("read_only_space", 0x00501): (121, "HashTableMap"),
("read_only_space", 0x00529): (64, "SymbolMap"),
("read_only_space", 0x00551): (40, "OneByteStringMap"),
("read_only_space", 0x00579): (133, "ScopeInfoMap"),
("read_only_space", 0x005a1): (168, "SharedFunctionInfoMap"),
("read_only_space", 0x005c9): (156, "CodeMap"),
("read_only_space", 0x005f1): (155, "CellMap"),
("read_only_space", 0x00619): (167, "GlobalPropertyCellMap"),
("read_only_space", 0x00641): (70, "ForeignMap"),
("read_only_space", 0x00669): (154, "TransitionArrayMap"),
("read_only_space", 0x00691): (45, "ThinOneByteStringMap"),
("read_only_space", 0x006b9): (161, "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): (134, "ScriptContextTableMap"),
("read_only_space", 0x008fd): (131, "ClosureFeedbackCellArrayMap"),
("read_only_space", 0x00925): (160, "FeedbackMetadataArrayMap"),
("read_only_space", 0x0094d): (120, "ArrayListMap"),
("read_only_space", 0x00975): (65, "BigIntMap"),
("read_only_space", 0x0099d): (132, "ObjectBoilerplateDescriptionMap"),
("read_only_space", 0x009c5): (136, "BytecodeArrayMap"),
("read_only_space", 0x009ed): (157, "CodeDataContainerMap"),
("read_only_space", 0x00a15): (137, "FixedDoubleArrayMap"),
("read_only_space", 0x00a3d): (123, "GlobalDictionaryMap"),
("read_only_space", 0x00a65): (96, "ManyClosuresCellMap"),
("read_only_space", 0x00a8d): (120, "ModuleInfoMap"),
("read_only_space", 0x00ab5): (124, "NameDictionaryMap"),
("read_only_space", 0x00add): (96, "NoClosuresCellMap"),
("read_only_space", 0x00b05): (125, "NumberDictionaryMap"),
("read_only_space", 0x00b2d): (96, "OneClosureCellMap"),
("read_only_space", 0x00b55): (126, "OrderedHashMapMap"),
("read_only_space", 0x00b7d): (127, "OrderedHashSetMap"),
("read_only_space", 0x00ba5): (128, "OrderedNameDictionaryMap"),
("read_only_space", 0x00bcd): (165, "PreparseDataMap"),
("read_only_space", 0x00bf5): (166, "PropertyArrayMap"),
("read_only_space", 0x00c1d): (92, "SideEffectCallHandlerInfoMap"),
("read_only_space", 0x00c45): (92, "SideEffectFreeCallHandlerInfoMap"),
("read_only_space", 0x00c6d): (92, "NextCallSideEffectFreeCallHandlerInfoMap"),
("read_only_space", 0x00c95): (129, "SimpleNumberDictionaryMap"),
("read_only_space", 0x00cbd): (120, "SloppyArgumentsElementsMap"),
("read_only_space", 0x00ce5): (148, "SmallOrderedHashMapMap"),
("read_only_space", 0x00d0d): (149, "SmallOrderedHashSetMap"),
("read_only_space", 0x00d35): (150, "SmallOrderedNameDictionaryMap"),
("read_only_space", 0x00d5d): (68, "SourceTextModuleMap"),
("read_only_space", 0x00d85): (130, "StringTableMap"),
("read_only_space", 0x00dad): (69, "SyntheticModuleMap"),
("read_only_space", 0x00dd5): (152, "UncompiledDataWithoutPreparseDataMap"),
("read_only_space", 0x00dfd): (151, "UncompiledDataWithPreparseDataMap"),
("read_only_space", 0x00e25): (169, "WeakArrayListMap"),
("read_only_space", 0x00e4d): (122, "EphemeronHashTableMap"),
("read_only_space", 0x00e75): (159, "EmbedderDataArrayMap"),
("read_only_space", 0x00e9d): (170, "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", 0x01151): (95, "EnumCacheMap"),
("read_only_space", 0x011a1): (86, "ArrayBoilerplateDescriptionMap"),
("read_only_space", 0x0129d): (98, "InterceptorInfoMap"),
("read_only_space", 0x032ad): (71, "PromiseFulfillReactionJobTaskMap"),
("read_only_space", 0x032d5): (72, "PromiseRejectReactionJobTaskMap"),
("read_only_space", 0x032fd): (73, "CallableTaskMap"),
("read_only_space", 0x03325): (74, "CallbackTaskMap"),
("read_only_space", 0x0334d): (75, "PromiseResolveThenableJobTaskMap"),
("read_only_space", 0x03375): (78, "FunctionTemplateInfoMap"),
("read_only_space", 0x0339d): (79, "ObjectTemplateInfoMap"),
("read_only_space", 0x033c5): (80, "AccessCheckInfoMap"),
("read_only_space", 0x033ed): (81, "AccessorInfoMap"),
("read_only_space", 0x03415): (82, "AccessorPairMap"),
("read_only_space", 0x0343d): (83, "AliasedArgumentsEntryMap"),
("read_only_space", 0x03465): (84, "AllocationMementoMap"),
("read_only_space", 0x0348d): (87, "AsmWasmDataMap"),
("read_only_space", 0x034b5): (88, "AsyncGeneratorRequestMap"),
("read_only_space", 0x034dd): (89, "BreakPointMap"),
("read_only_space", 0x03505): (90, "BreakPointInfoMap"),
("read_only_space", 0x0352d): (91, "CachedTemplateObjectMap"),
("read_only_space", 0x03555): (93, "ClassPositionsMap"),
("read_only_space", 0x0357d): (94, "DebugInfoMap"),
("read_only_space", 0x035a5): (97, "FunctionTemplateRareDataMap"),
("read_only_space", 0x035cd): (100, "InterpreterDataMap"),
("read_only_space", 0x035f5): (101, "PromiseCapabilityMap"),
("read_only_space", 0x0361d): (102, "PromiseReactionMap"),
("read_only_space", 0x03645): (103, "PropertyDescriptorObjectMap"),
("read_only_space", 0x0366d): (104, "PrototypeInfoMap"),
("read_only_space", 0x03695): (105, "ScriptMap"),
("read_only_space", 0x036bd): (109, "SourceTextModuleInfoEntryMap"),
("read_only_space", 0x036e5): (110, "StackFrameInfoMap"),
("read_only_space", 0x0370d): (111, "StackTraceFrameMap"),
("read_only_space", 0x03735): (112, "TemplateObjectDescriptionMap"),
("read_only_space", 0x0375d): (113, "Tuple2Map"),
("read_only_space", 0x03785): (114, "WasmCapiFunctionDataMap"),
("read_only_space", 0x037ad): (115, "WasmDebugInfoMap"),
("read_only_space", 0x037d5): (116, "WasmExceptionTagMap"),
("read_only_space", 0x037fd): (117, "WasmExportedFunctionDataMap"),
("read_only_space", 0x03825): (118, "WasmIndirectFunctionTableMap"),
("read_only_space", 0x0384d): (119, "WasmJSFunctionDataMap"),
("read_only_space", 0x03875): (99, "InternalClassMap"),
("read_only_space", 0x0389d): (107, "SmiPairMap"),
("read_only_space", 0x038c5): (106, "SmiBoxMap"),
("read_only_space", 0x038ed): (108, "SortStateMap"),
("read_only_space", 0x03915): (85, "AllocationSiteWithWeakNextMap"),
("read_only_space", 0x0393d): (85, "AllocationSiteWithoutWeakNextMap"),
("read_only_space", 0x03965): (76, "LoadHandler1Map"),
("read_only_space", 0x0398d): (76, "LoadHandler2Map"),
("read_only_space", 0x039b5): (76, "LoadHandler3Map"),
("read_only_space", 0x039dd): (77, "StoreHandler0Map"),
("read_only_space", 0x03a05): (77, "StoreHandler1Map"),
("read_only_space", 0x03a2d): (77, "StoreHandler2Map"),
("read_only_space", 0x03a55): (77, "StoreHandler3Map"),
("map_space", 0x00121): (1057, "ExternalMap"),
("map_space", 0x00149): (1073, "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", 0x01145): "EmptyEnumCache",
("read_only_space", 0x01179): "EmptyPropertyArray",
("read_only_space", 0x01181): "EmptyByteArray",
("read_only_space", 0x01189): "EmptyObjectBoilerplateDescription",
("read_only_space", 0x01195): "EmptyArrayBoilerplateDescription",
("read_only_space", 0x011c9): "EmptyClosureFeedbackCellArray",
("read_only_space", 0x011d1): "EmptySloppyArgumentsElements",
("read_only_space", 0x011e1): "EmptySlowElementDictionary",
("read_only_space", 0x01205): "EmptyOrderedHashMap",
("read_only_space", 0x01219): "EmptyOrderedHashSet",
("read_only_space", 0x0122d): "EmptyFeedbackMetadata",
("read_only_space", 0x01239): "EmptyPropertyCell",
("read_only_space", 0x0124d): "EmptyPropertyDictionary",
("read_only_space", 0x01275): "NoOpInterceptorInfo",
("read_only_space", 0x012c5): "EmptyWeakArrayList",
("read_only_space", 0x012d1): "InfinityValue",
("read_only_space", 0x012dd): "MinusZeroValue",
("read_only_space", 0x012e9): "MinusInfinityValue",
("read_only_space", 0x012f5): "SelfReferenceMarker",
("read_only_space", 0x01335): "OffHeapTrampolineRelocationInfo",
("read_only_space", 0x01341): "TrampolineTrivialCodeDataContainer",
("read_only_space", 0x0134d): "TrampolinePromiseRejectionCodeDataContainer",
("read_only_space", 0x01359): "GlobalThisBindingScopeInfo",
("read_only_space", 0x01391): "EmptyFunctionScopeInfo",
("read_only_space", 0x013b9): "NativeScopeInfo",
("read_only_space", 0x013d5): "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): "StringLengthProtector",
("old_space", 0x00531): "ArrayIteratorProtector",
("old_space", 0x00545): "ArrayBufferDetachingProtector",
("old_space", 0x00559): "PromiseHookProtector",
("old_space", 0x0056d): "PromiseResolveProtector",
("old_space", 0x00581): "MapIteratorProtector",
("old_space", 0x00595): "PromiseThenProtector",
("old_space", 0x005a9): "SetIteratorProtector",
("old_space", 0x005bd): "StringIteratorProtector",
("old_space", 0x005d1): "SingleCharacterStringCache",
("old_space", 0x009d9): "StringSplitCache",
("old_space", 0x00de1): "RegExpMultipleCache",
("old_space", 0x011e9): "BuiltinsConstantsTable",
}
# 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_COMPILED",
"WASM_TO_JS",
"JS_TO_WASM",
"WASM_INTERPRETER_ENTRY",
"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.
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