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db94d2aa9a
v8/tools/v8heapconst.py
Mythri 7629afdb9d [lite] Allocate feedback vectors lazily 
Allocate feedback vectors lazily when the function's interrupt budget has
reached a specified threshold. This cl introduces a new field in the
ClosureFeedbackCellArray to track the interrupt budget for allocating
feedback vectors. Using the interrupt budget on the bytecode array could
cause problems when there are closures across native contexts and we may
delay allocating feedback vectors in one of them causing unexpected
performance cliffs. In the long term we may want to remove interrupt budget
from bytecode array and use context specific budget for tiering up decisions
as well.

Bug: v8:8394
Change-Id: Ia8fbb71f5e8543a92f14c44aa762973da82d445c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1520719
Commit-Queue: Mythri Alle <mythria@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60450}
2019-03-25 16:02:38 +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",
72: "EMPTY_STRING_TYPE",
128: "SYMBOL_TYPE",
129: "HEAP_NUMBER_TYPE",
130: "BIGINT_TYPE",
131: "ODDBALL_TYPE",
132: "MAP_TYPE",
133: "CODE_TYPE",
134: "MUTABLE_HEAP_NUMBER_TYPE",
135: "FOREIGN_TYPE",
136: "BYTE_ARRAY_TYPE",
137: "BYTECODE_ARRAY_TYPE",
138: "FREE_SPACE_TYPE",
139: "FIXED_INT8_ARRAY_TYPE",
140: "FIXED_UINT8_ARRAY_TYPE",
141: "FIXED_INT16_ARRAY_TYPE",
142: "FIXED_UINT16_ARRAY_TYPE",
143: "FIXED_INT32_ARRAY_TYPE",
144: "FIXED_UINT32_ARRAY_TYPE",
145: "FIXED_FLOAT32_ARRAY_TYPE",
146: "FIXED_FLOAT64_ARRAY_TYPE",
147: "FIXED_UINT8_CLAMPED_ARRAY_TYPE",
148: "FIXED_BIGINT64_ARRAY_TYPE",
149: "FIXED_BIGUINT64_ARRAY_TYPE",
150: "FIXED_DOUBLE_ARRAY_TYPE",
151: "FEEDBACK_METADATA_TYPE",
152: "FILLER_TYPE",
153: "ACCESS_CHECK_INFO_TYPE",
154: "ACCESSOR_INFO_TYPE",
155: "ACCESSOR_PAIR_TYPE",
156: "ALIASED_ARGUMENTS_ENTRY_TYPE",
157: "ALLOCATION_MEMENTO_TYPE",
158: "ASM_WASM_DATA_TYPE",
159: "ASYNC_GENERATOR_REQUEST_TYPE",
160: "CLASS_POSITIONS_TYPE",
161: "DEBUG_INFO_TYPE",
162: "FUNCTION_TEMPLATE_INFO_TYPE",
163: "FUNCTION_TEMPLATE_RARE_DATA_TYPE",
164: "INTERCEPTOR_INFO_TYPE",
165: "INTERPRETER_DATA_TYPE",
166: "MODULE_INFO_ENTRY_TYPE",
167: "MODULE_TYPE",
168: "OBJECT_TEMPLATE_INFO_TYPE",
169: "PROMISE_CAPABILITY_TYPE",
170: "PROMISE_REACTION_TYPE",
171: "PROTOTYPE_INFO_TYPE",
172: "SCRIPT_TYPE",
173: "STACK_FRAME_INFO_TYPE",
174: "STACK_TRACE_FRAME_TYPE",
175: "TUPLE2_TYPE",
176: "TUPLE3_TYPE",
177: "ARRAY_BOILERPLATE_DESCRIPTION_TYPE",
178: "WASM_DEBUG_INFO_TYPE",
179: "WASM_EXCEPTION_TAG_TYPE",
180: "WASM_EXPORTED_FUNCTION_DATA_TYPE",
181: "CALLABLE_TASK_TYPE",
182: "CALLBACK_TASK_TYPE",
183: "PROMISE_FULFILL_REACTION_JOB_TASK_TYPE",
184: "PROMISE_REJECT_REACTION_JOB_TASK_TYPE",
185: "PROMISE_RESOLVE_THENABLE_JOB_TASK_TYPE",
186: "FINALIZATION_GROUP_CLEANUP_JOB_TASK_TYPE",
187: "ALLOCATION_SITE_TYPE",
188: "EMBEDDER_DATA_ARRAY_TYPE",
189: "FIXED_ARRAY_TYPE",
190: "OBJECT_BOILERPLATE_DESCRIPTION_TYPE",
191: "CLOSURE_FEEDBACK_CELL_ARRAY_TYPE",
192: "HASH_TABLE_TYPE",
193: "ORDERED_HASH_MAP_TYPE",
194: "ORDERED_HASH_SET_TYPE",
195: "ORDERED_NAME_DICTIONARY_TYPE",
196: "NAME_DICTIONARY_TYPE",
197: "GLOBAL_DICTIONARY_TYPE",
198: "NUMBER_DICTIONARY_TYPE",
199: "SIMPLE_NUMBER_DICTIONARY_TYPE",
200: "STRING_TABLE_TYPE",
201: "EPHEMERON_HASH_TABLE_TYPE",
202: "SCOPE_INFO_TYPE",
203: "SCRIPT_CONTEXT_TABLE_TYPE",
204: "AWAIT_CONTEXT_TYPE",
205: "BLOCK_CONTEXT_TYPE",
206: "CATCH_CONTEXT_TYPE",
207: "DEBUG_EVALUATE_CONTEXT_TYPE",
208: "EVAL_CONTEXT_TYPE",
209: "FUNCTION_CONTEXT_TYPE",
210: "MODULE_CONTEXT_TYPE",
211: "NATIVE_CONTEXT_TYPE",
212: "SCRIPT_CONTEXT_TYPE",
213: "WITH_CONTEXT_TYPE",
214: "WEAK_FIXED_ARRAY_TYPE",
215: "TRANSITION_ARRAY_TYPE",
216: "CALL_HANDLER_INFO_TYPE",
217: "CELL_TYPE",
218: "CODE_DATA_CONTAINER_TYPE",
219: "DESCRIPTOR_ARRAY_TYPE",
220: "FEEDBACK_CELL_TYPE",
221: "FEEDBACK_VECTOR_TYPE",
222: "LOAD_HANDLER_TYPE",
223: "PREPARSE_DATA_TYPE",
224: "PROPERTY_ARRAY_TYPE",
225: "PROPERTY_CELL_TYPE",
226: "SHARED_FUNCTION_INFO_TYPE",
227: "SMALL_ORDERED_HASH_MAP_TYPE",
228: "SMALL_ORDERED_HASH_SET_TYPE",
229: "SMALL_ORDERED_NAME_DICTIONARY_TYPE",
230: "STORE_HANDLER_TYPE",
231: "UNCOMPILED_DATA_WITHOUT_PREPARSE_DATA_TYPE",
232: "UNCOMPILED_DATA_WITH_PREPARSE_DATA_TYPE",
233: "WEAK_ARRAY_LIST_TYPE",
234: "WEAK_CELL_TYPE",
1024: "JS_PROXY_TYPE",
1025: "JS_GLOBAL_OBJECT_TYPE",
1026: "JS_GLOBAL_PROXY_TYPE",
1027: "JS_MODULE_NAMESPACE_TYPE",
1040: "JS_SPECIAL_API_OBJECT_TYPE",
1041: "JS_VALUE_TYPE",
1056: "JS_API_OBJECT_TYPE",
1057: "JS_OBJECT_TYPE",
1058: "JS_ARGUMENTS_TYPE",
1059: "JS_ARRAY_BUFFER_TYPE",
1060: "JS_ARRAY_ITERATOR_TYPE",
1061: "JS_ARRAY_TYPE",
1062: "JS_ASYNC_FROM_SYNC_ITERATOR_TYPE",
1063: "JS_ASYNC_FUNCTION_OBJECT_TYPE",
1064: "JS_ASYNC_GENERATOR_OBJECT_TYPE",
1065: "JS_CONTEXT_EXTENSION_OBJECT_TYPE",
1066: "JS_DATE_TYPE",
1067: "JS_ERROR_TYPE",
1068: "JS_GENERATOR_OBJECT_TYPE",
1069: "JS_MAP_TYPE",
1070: "JS_MAP_KEY_ITERATOR_TYPE",
1071: "JS_MAP_KEY_VALUE_ITERATOR_TYPE",
1072: "JS_MAP_VALUE_ITERATOR_TYPE",
1073: "JS_MESSAGE_OBJECT_TYPE",
1074: "JS_PROMISE_TYPE",
1075: "JS_REGEXP_TYPE",
1076: "JS_REGEXP_STRING_ITERATOR_TYPE",
1077: "JS_SET_TYPE",
1078: "JS_SET_KEY_VALUE_ITERATOR_TYPE",
1079: "JS_SET_VALUE_ITERATOR_TYPE",
1080: "JS_STRING_ITERATOR_TYPE",
1081: "JS_WEAK_REF_TYPE",
1082: "JS_FINALIZATION_GROUP_CLEANUP_ITERATOR_TYPE",
1083: "JS_FINALIZATION_GROUP_TYPE",
1084: "JS_WEAK_MAP_TYPE",
1085: "JS_WEAK_SET_TYPE",
1086: "JS_TYPED_ARRAY_TYPE",
1087: "JS_DATA_VIEW_TYPE",
1088: "JS_INTL_V8_BREAK_ITERATOR_TYPE",
1089: "JS_INTL_COLLATOR_TYPE",
1090: "JS_INTL_DATE_TIME_FORMAT_TYPE",
1091: "JS_INTL_LIST_FORMAT_TYPE",
1092: "JS_INTL_LOCALE_TYPE",
1093: "JS_INTL_NUMBER_FORMAT_TYPE",
1094: "JS_INTL_PLURAL_RULES_TYPE",
1095: "JS_INTL_RELATIVE_TIME_FORMAT_TYPE",
1096: "JS_INTL_SEGMENT_ITERATOR_TYPE",
1097: "JS_INTL_SEGMENTER_TYPE",
1098: "WASM_EXCEPTION_TYPE",
1099: "WASM_GLOBAL_TYPE",
1100: "WASM_INSTANCE_TYPE",
1101: "WASM_MEMORY_TYPE",
1102: "WASM_MODULE_TYPE",
1103: "WASM_TABLE_TYPE",
1104: "JS_BOUND_FUNCTION_TYPE",
1105: "JS_FUNCTION_TYPE",
}
# List of known V8 maps.
KNOWN_MAPS = {
("RO_SPACE", 0x00139): (138, "FreeSpaceMap"),
("RO_SPACE", 0x00189): (132, "MetaMap"),
("RO_SPACE", 0x00209): (131, "NullMap"),
("RO_SPACE", 0x00271): (219, "DescriptorArrayMap"),
("RO_SPACE", 0x002d1): (214, "WeakFixedArrayMap"),
("RO_SPACE", 0x00321): (152, "OnePointerFillerMap"),
("RO_SPACE", 0x00371): (152, "TwoPointerFillerMap"),
("RO_SPACE", 0x003f1): (131, "UninitializedMap"),
("RO_SPACE", 0x00461): (8, "OneByteInternalizedStringMap"),
("RO_SPACE", 0x00501): (131, "UndefinedMap"),
("RO_SPACE", 0x00561): (129, "HeapNumberMap"),
("RO_SPACE", 0x005e1): (131, "TheHoleMap"),
("RO_SPACE", 0x00689): (131, "BooleanMap"),
("RO_SPACE", 0x00761): (72, "EmptyStringMap"),
("RO_SPACE", 0x007b1): (136, "ByteArrayMap"),
("RO_SPACE", 0x00801): (189, "FixedArrayMap"),
("RO_SPACE", 0x00851): (189, "FixedCOWArrayMap"),
("RO_SPACE", 0x008a1): (192, "HashTableMap"),
("RO_SPACE", 0x008f1): (128, "SymbolMap"),
("RO_SPACE", 0x00941): (40, "OneByteStringMap"),
("RO_SPACE", 0x00991): (202, "ScopeInfoMap"),
("RO_SPACE", 0x009e1): (226, "SharedFunctionInfoMap"),
("RO_SPACE", 0x00a31): (133, "CodeMap"),
("RO_SPACE", 0x00a81): (209, "FunctionContextMap"),
("RO_SPACE", 0x00ad1): (217, "CellMap"),
("RO_SPACE", 0x00b21): (225, "GlobalPropertyCellMap"),
("RO_SPACE", 0x00b71): (135, "ForeignMap"),
("RO_SPACE", 0x00bc1): (215, "TransitionArrayMap"),
("RO_SPACE", 0x00c11): (221, "FeedbackVectorMap"),
("RO_SPACE", 0x00cb1): (131, "ArgumentsMarkerMap"),
("RO_SPACE", 0x00d51): (131, "ExceptionMap"),
("RO_SPACE", 0x00df1): (131, "TerminationExceptionMap"),
("RO_SPACE", 0x00e99): (131, "OptimizedOutMap"),
("RO_SPACE", 0x00f39): (131, "StaleRegisterMap"),
("RO_SPACE", 0x00fa9): (211, "NativeContextMap"),
("RO_SPACE", 0x00ff9): (210, "ModuleContextMap"),
("RO_SPACE", 0x01049): (208, "EvalContextMap"),
("RO_SPACE", 0x01099): (212, "ScriptContextMap"),
("RO_SPACE", 0x010e9): (204, "AwaitContextMap"),
("RO_SPACE", 0x01139): (205, "BlockContextMap"),
("RO_SPACE", 0x01189): (206, "CatchContextMap"),
("RO_SPACE", 0x011d9): (213, "WithContextMap"),
("RO_SPACE", 0x01229): (207, "DebugEvaluateContextMap"),
("RO_SPACE", 0x01279): (203, "ScriptContextTableMap"),
("RO_SPACE", 0x012c9): (191, "ClosureFeedbackCellArrayMap"),
("RO_SPACE", 0x01319): (151, "FeedbackMetadataArrayMap"),
("RO_SPACE", 0x01369): (189, "ArrayListMap"),
("RO_SPACE", 0x013b9): (130, "BigIntMap"),
("RO_SPACE", 0x01409): (190, "ObjectBoilerplateDescriptionMap"),
("RO_SPACE", 0x01459): (137, "BytecodeArrayMap"),
("RO_SPACE", 0x014a9): (218, "CodeDataContainerMap"),
("RO_SPACE", 0x014f9): (150, "FixedDoubleArrayMap"),
("RO_SPACE", 0x01549): (197, "GlobalDictionaryMap"),
("RO_SPACE", 0x01599): (220, "ManyClosuresCellMap"),
("RO_SPACE", 0x015e9): (189, "ModuleInfoMap"),
("RO_SPACE", 0x01639): (134, "MutableHeapNumberMap"),
("RO_SPACE", 0x01689): (196, "NameDictionaryMap"),
("RO_SPACE", 0x016d9): (220, "NoClosuresCellMap"),
("RO_SPACE", 0x01729): (198, "NumberDictionaryMap"),
("RO_SPACE", 0x01779): (220, "OneClosureCellMap"),
("RO_SPACE", 0x017c9): (193, "OrderedHashMapMap"),
("RO_SPACE", 0x01819): (194, "OrderedHashSetMap"),
("RO_SPACE", 0x01869): (195, "OrderedNameDictionaryMap"),
("RO_SPACE", 0x018b9): (223, "PreparseDataMap"),
("RO_SPACE", 0x01909): (224, "PropertyArrayMap"),
("RO_SPACE", 0x01959): (216, "SideEffectCallHandlerInfoMap"),
("RO_SPACE", 0x019a9): (216, "SideEffectFreeCallHandlerInfoMap"),
("RO_SPACE", 0x019f9): (216, "NextCallSideEffectFreeCallHandlerInfoMap"),
("RO_SPACE", 0x01a49): (199, "SimpleNumberDictionaryMap"),
("RO_SPACE", 0x01a99): (189, "SloppyArgumentsElementsMap"),
("RO_SPACE", 0x01ae9): (227, "SmallOrderedHashMapMap"),
("RO_SPACE", 0x01b39): (228, "SmallOrderedHashSetMap"),
("RO_SPACE", 0x01b89): (229, "SmallOrderedNameDictionaryMap"),
("RO_SPACE", 0x01bd9): (200, "StringTableMap"),
("RO_SPACE", 0x01c29): (231, "UncompiledDataWithoutPreparseDataMap"),
("RO_SPACE", 0x01c79): (232, "UncompiledDataWithPreparseDataMap"),
("RO_SPACE", 0x01cc9): (233, "WeakArrayListMap"),
("RO_SPACE", 0x01d19): (201, "EphemeronHashTableMap"),
("RO_SPACE", 0x01d69): (188, "EmbedderDataArrayMap"),
("RO_SPACE", 0x01db9): (234, "WeakCellMap"),
("RO_SPACE", 0x01e09): (58, "NativeSourceStringMap"),
("RO_SPACE", 0x01e59): (32, "StringMap"),
("RO_SPACE", 0x01ea9): (41, "ConsOneByteStringMap"),
("RO_SPACE", 0x01ef9): (33, "ConsStringMap"),
("RO_SPACE", 0x01f49): (45, "ThinOneByteStringMap"),
("RO_SPACE", 0x01f99): (37, "ThinStringMap"),
("RO_SPACE", 0x01fe9): (35, "SlicedStringMap"),
("RO_SPACE", 0x02039): (43, "SlicedOneByteStringMap"),
("RO_SPACE", 0x02089): (34, "ExternalStringMap"),
("RO_SPACE", 0x020d9): (42, "ExternalOneByteStringMap"),
("RO_SPACE", 0x02129): (50, "UncachedExternalStringMap"),
("RO_SPACE", 0x02179): (0, "InternalizedStringMap"),
("RO_SPACE", 0x021c9): (2, "ExternalInternalizedStringMap"),
("RO_SPACE", 0x02219): (10, "ExternalOneByteInternalizedStringMap"),
("RO_SPACE", 0x02269): (18, "UncachedExternalInternalizedStringMap"),
("RO_SPACE", 0x022b9): (26, "UncachedExternalOneByteInternalizedStringMap"),
("RO_SPACE", 0x02309): (58, "UncachedExternalOneByteStringMap"),
("RO_SPACE", 0x02359): (140, "FixedUint8ArrayMap"),
("RO_SPACE", 0x023a9): (139, "FixedInt8ArrayMap"),
("RO_SPACE", 0x023f9): (142, "FixedUint16ArrayMap"),
("RO_SPACE", 0x02449): (141, "FixedInt16ArrayMap"),
("RO_SPACE", 0x02499): (144, "FixedUint32ArrayMap"),
("RO_SPACE", 0x024e9): (143, "FixedInt32ArrayMap"),
("RO_SPACE", 0x02539): (145, "FixedFloat32ArrayMap"),
("RO_SPACE", 0x02589): (146, "FixedFloat64ArrayMap"),
("RO_SPACE", 0x025d9): (147, "FixedUint8ClampedArrayMap"),
("RO_SPACE", 0x02629): (149, "FixedBigUint64ArrayMap"),
("RO_SPACE", 0x02679): (148, "FixedBigInt64ArrayMap"),
("RO_SPACE", 0x026c9): (131, "SelfReferenceMarkerMap"),
("RO_SPACE", 0x02731): (175, "Tuple2Map"),
("RO_SPACE", 0x027d1): (177, "ArrayBoilerplateDescriptionMap"),
("RO_SPACE", 0x02b11): (164, "InterceptorInfoMap"),
("RO_SPACE", 0x050f9): (153, "AccessCheckInfoMap"),
("RO_SPACE", 0x05149): (154, "AccessorInfoMap"),
("RO_SPACE", 0x05199): (155, "AccessorPairMap"),
("RO_SPACE", 0x051e9): (156, "AliasedArgumentsEntryMap"),
("RO_SPACE", 0x05239): (157, "AllocationMementoMap"),
("RO_SPACE", 0x05289): (158, "AsmWasmDataMap"),
("RO_SPACE", 0x052d9): (159, "AsyncGeneratorRequestMap"),
("RO_SPACE", 0x05329): (160, "ClassPositionsMap"),
("RO_SPACE", 0x05379): (161, "DebugInfoMap"),
("RO_SPACE", 0x053c9): (162, "FunctionTemplateInfoMap"),
("RO_SPACE", 0x05419): (163, "FunctionTemplateRareDataMap"),
("RO_SPACE", 0x05469): (165, "InterpreterDataMap"),
("RO_SPACE", 0x054b9): (166, "ModuleInfoEntryMap"),
("RO_SPACE", 0x05509): (167, "ModuleMap"),
("RO_SPACE", 0x05559): (168, "ObjectTemplateInfoMap"),
("RO_SPACE", 0x055a9): (169, "PromiseCapabilityMap"),
("RO_SPACE", 0x055f9): (170, "PromiseReactionMap"),
("RO_SPACE", 0x05649): (171, "PrototypeInfoMap"),
("RO_SPACE", 0x05699): (172, "ScriptMap"),
("RO_SPACE", 0x056e9): (173, "StackFrameInfoMap"),
("RO_SPACE", 0x05739): (174, "StackTraceFrameMap"),
("RO_SPACE", 0x05789): (176, "Tuple3Map"),
("RO_SPACE", 0x057d9): (178, "WasmDebugInfoMap"),
("RO_SPACE", 0x05829): (179, "WasmExceptionTagMap"),
("RO_SPACE", 0x05879): (180, "WasmExportedFunctionDataMap"),
("RO_SPACE", 0x058c9): (181, "CallableTaskMap"),
("RO_SPACE", 0x05919): (182, "CallbackTaskMap"),
("RO_SPACE", 0x05969): (183, "PromiseFulfillReactionJobTaskMap"),
("RO_SPACE", 0x059b9): (184, "PromiseRejectReactionJobTaskMap"),
("RO_SPACE", 0x05a09): (185, "PromiseResolveThenableJobTaskMap"),
("RO_SPACE", 0x05a59): (186, "FinalizationGroupCleanupJobTaskMap"),
("RO_SPACE", 0x05aa9): (187, "AllocationSiteWithWeakNextMap"),
("RO_SPACE", 0x05af9): (187, "AllocationSiteWithoutWeakNextMap"),
("RO_SPACE", 0x05b49): (222, "LoadHandler1Map"),
("RO_SPACE", 0x05b99): (222, "LoadHandler2Map"),
("RO_SPACE", 0x05be9): (222, "LoadHandler3Map"),
("RO_SPACE", 0x05c39): (230, "StoreHandler0Map"),
("RO_SPACE", 0x05c89): (230, "StoreHandler1Map"),
("RO_SPACE", 0x05cd9): (230, "StoreHandler2Map"),
("RO_SPACE", 0x05d29): (230, "StoreHandler3Map"),
("MAP_SPACE", 0x00139): (1057, "ExternalMap"),
("MAP_SPACE", 0x00189): (1073, "JSMessageObjectMap"),
}
# List of known V8 objects.
KNOWN_OBJECTS = {
("RO_SPACE", 0x001d9): "NullValue",
("RO_SPACE", 0x00259): "EmptyDescriptorArray",
("RO_SPACE", 0x002c1): "EmptyWeakFixedArray",
("RO_SPACE", 0x003c1): "UninitializedValue",
("RO_SPACE", 0x004d1): "UndefinedValue",
("RO_SPACE", 0x00551): "NanValue",
("RO_SPACE", 0x005b1): "TheHoleValue",
("RO_SPACE", 0x00649): "HoleNanValue",
("RO_SPACE", 0x00659): "TrueValue",
("RO_SPACE", 0x00709): "FalseValue",
("RO_SPACE", 0x00751): "empty_string",
("RO_SPACE", 0x00c61): "EmptyScopeInfo",
("RO_SPACE", 0x00c71): "EmptyFixedArray",
("RO_SPACE", 0x00c81): "ArgumentsMarker",
("RO_SPACE", 0x00d21): "Exception",
("RO_SPACE", 0x00dc1): "TerminationException",
("RO_SPACE", 0x00e69): "OptimizedOut",
("RO_SPACE", 0x00f09): "StaleRegister",
("RO_SPACE", 0x02719): "EmptyEnumCache",
("RO_SPACE", 0x02781): "EmptyPropertyArray",
("RO_SPACE", 0x02791): "EmptyByteArray",
("RO_SPACE", 0x027a1): "EmptyObjectBoilerplateDescription",
("RO_SPACE", 0x027b9): "EmptyArrayBoilerplateDescription",
("RO_SPACE", 0x02821): "EmptyFixedUint8Array",
("RO_SPACE", 0x02841): "EmptyFixedInt8Array",
("RO_SPACE", 0x02861): "EmptyFixedUint16Array",
("RO_SPACE", 0x02881): "EmptyFixedInt16Array",
("RO_SPACE", 0x028a1): "EmptyFixedUint32Array",
("RO_SPACE", 0x028c1): "EmptyFixedInt32Array",
("RO_SPACE", 0x028e1): "EmptyFixedFloat32Array",
("RO_SPACE", 0x02901): "EmptyFixedFloat64Array",
("RO_SPACE", 0x02921): "EmptyFixedUint8ClampedArray",
("RO_SPACE", 0x02941): "EmptyFixedBigUint64Array",
("RO_SPACE", 0x02961): "EmptyFixedBigInt64Array",
("RO_SPACE", 0x02981): "EmptySloppyArgumentsElements",
("RO_SPACE", 0x029a1): "EmptySlowElementDictionary",
("RO_SPACE", 0x029e9): "EmptyOrderedHashMap",
("RO_SPACE", 0x02a11): "EmptyOrderedHashSet",
("RO_SPACE", 0x02a39): "EmptyFeedbackMetadata",
("RO_SPACE", 0x02a49): "EmptyPropertyCell",
("RO_SPACE", 0x02a71): "EmptyPropertyDictionary",
("RO_SPACE", 0x02ac1): "NoOpInterceptorInfo",
("RO_SPACE", 0x02b61): "EmptyWeakArrayList",
("RO_SPACE", 0x02b79): "InfinityValue",
("RO_SPACE", 0x02b89): "MinusZeroValue",
("RO_SPACE", 0x02b99): "MinusInfinityValue",
("RO_SPACE", 0x02ba9): "SelfReferenceMarker",
("RO_SPACE", 0x02c01): "OffHeapTrampolineRelocationInfo",
("RO_SPACE", 0x02c19): "HashSeed",
("OLD_SPACE", 0x00139): "ArgumentsIteratorAccessor",
("OLD_SPACE", 0x001a9): "ArrayLengthAccessor",
("OLD_SPACE", 0x00219): "BoundFunctionLengthAccessor",
("OLD_SPACE", 0x00289): "BoundFunctionNameAccessor",
("OLD_SPACE", 0x002f9): "ErrorStackAccessor",
("OLD_SPACE", 0x00369): "FunctionArgumentsAccessor",
("OLD_SPACE", 0x003d9): "FunctionCallerAccessor",
("OLD_SPACE", 0x00449): "FunctionNameAccessor",
("OLD_SPACE", 0x004b9): "FunctionLengthAccessor",
("OLD_SPACE", 0x00529): "FunctionPrototypeAccessor",
("OLD_SPACE", 0x00599): "StringLengthAccessor",
("OLD_SPACE", 0x00609): "InvalidPrototypeValidityCell",
("OLD_SPACE", 0x00619): "EmptyScript",
("OLD_SPACE", 0x00699): "ManyClosuresCell",
("OLD_SPACE", 0x006a9): "ArrayConstructorProtector",
("OLD_SPACE", 0x006b9): "NoElementsProtector",
("OLD_SPACE", 0x006e1): "IsConcatSpreadableProtector",
("OLD_SPACE", 0x006f1): "ArraySpeciesProtector",
("OLD_SPACE", 0x00719): "TypedArraySpeciesProtector",
("OLD_SPACE", 0x00741): "RegExpSpeciesProtector",
("OLD_SPACE", 0x00769): "PromiseSpeciesProtector",
("OLD_SPACE", 0x00791): "StringLengthProtector",
("OLD_SPACE", 0x007a1): "ArrayIteratorProtector",
("OLD_SPACE", 0x007c9): "ArrayBufferDetachingProtector",
("OLD_SPACE", 0x007f1): "PromiseHookProtector",
("OLD_SPACE", 0x00819): "PromiseResolveProtector",
("OLD_SPACE", 0x00829): "MapIteratorProtector",
("OLD_SPACE", 0x00851): "PromiseThenProtector",
("OLD_SPACE", 0x00879): "SetIteratorProtector",
("OLD_SPACE", 0x008a1): "StringIteratorProtector",
("OLD_SPACE", 0x008c9): "SingleCharacterStringCache",
("OLD_SPACE", 0x010d9): "StringSplitCache",
("OLD_SPACE", 0x018e9): "RegExpMultipleCache",
("OLD_SPACE", 0x020f9): "BuiltinsConstantsTable",
}
# 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_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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