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v8/tools/v8heapconst.py
Jakob Gruber f6f829b49f [compiler,code] Refactor code dependencies 
Prior to this CL we regularly generated high counts of code
dependencies, and installation was not the most efficient.

This CL 1) implements early dependency deduplication and
2) simplifies the way dependencies are persisted on the heap
through DependentCode.

Re 1): we dedupe twice, once based on the CompilationDependency
contents, and again once we know the final target object.

Re 2): Instead of a linked list of weak fixed arrays per
dependency group, store deps in a flat array together with a
bitset of their dependency groups.

See also:
https://docs.google.com/document/d/1B34S1s3Iv6hbquZ93RugD0b-ZKfHEptJ8Fk_YyOvjDk/edit

Bug: v8:12195,v8:12397
Change-Id: I9ab47f6d87b10558194b5de30a36b1122f7e362a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3283074
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77969}
2021-11-18 13:22:57 +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",
96: "SHARED_STRING_TYPE",
104: "SHARED_ONE_BYTE_STRING_TYPE",
128: "SYMBOL_TYPE",
129: "BIG_INT_BASE_TYPE",
130: "HEAP_NUMBER_TYPE",
131: "ODDBALL_TYPE",
132: "PROMISE_FULFILL_REACTION_JOB_TASK_TYPE",
133: "PROMISE_REJECT_REACTION_JOB_TASK_TYPE",
134: "CALLABLE_TASK_TYPE",
135: "CALLBACK_TASK_TYPE",
136: "PROMISE_RESOLVE_THENABLE_JOB_TASK_TYPE",
137: "LOAD_HANDLER_TYPE",
138: "STORE_HANDLER_TYPE",
139: "FUNCTION_TEMPLATE_INFO_TYPE",
140: "OBJECT_TEMPLATE_INFO_TYPE",
141: "ACCESS_CHECK_INFO_TYPE",
142: "ACCESSOR_INFO_TYPE",
143: "ACCESSOR_PAIR_TYPE",
144: "ALIASED_ARGUMENTS_ENTRY_TYPE",
145: "ALLOCATION_MEMENTO_TYPE",
146: "ALLOCATION_SITE_TYPE",
147: "ARRAY_BOILERPLATE_DESCRIPTION_TYPE",
148: "ASM_WASM_DATA_TYPE",
149: "ASYNC_GENERATOR_REQUEST_TYPE",
150: "BREAK_POINT_TYPE",
151: "BREAK_POINT_INFO_TYPE",
152: "CACHED_TEMPLATE_OBJECT_TYPE",
153: "CALL_HANDLER_INFO_TYPE",
154: "CLASS_POSITIONS_TYPE",
155: "DEBUG_INFO_TYPE",
156: "ENUM_CACHE_TYPE",
157: "FEEDBACK_CELL_TYPE",
158: "FUNCTION_TEMPLATE_RARE_DATA_TYPE",
159: "INTERCEPTOR_INFO_TYPE",
160: "INTERPRETER_DATA_TYPE",
161: "MODULE_REQUEST_TYPE",
162: "PROMISE_CAPABILITY_TYPE",
163: "PROMISE_REACTION_TYPE",
164: "PROPERTY_DESCRIPTOR_OBJECT_TYPE",
165: "PROTOTYPE_INFO_TYPE",
166: "REG_EXP_BOILERPLATE_DESCRIPTION_TYPE",
167: "SCRIPT_TYPE",
168: "SCRIPT_OR_MODULE_TYPE",
169: "SOURCE_TEXT_MODULE_INFO_ENTRY_TYPE",
170: "STACK_FRAME_INFO_TYPE",
171: "TEMPLATE_OBJECT_DESCRIPTION_TYPE",
172: "TUPLE2_TYPE",
173: "WASM_CONTINUATION_OBJECT_TYPE",
174: "WASM_EXCEPTION_TAG_TYPE",
175: "WASM_INDIRECT_FUNCTION_TABLE_TYPE",
176: "FIXED_ARRAY_TYPE",
177: "HASH_TABLE_TYPE",
178: "EPHEMERON_HASH_TABLE_TYPE",
179: "GLOBAL_DICTIONARY_TYPE",
180: "NAME_DICTIONARY_TYPE",
181: "NUMBER_DICTIONARY_TYPE",
182: "ORDERED_HASH_MAP_TYPE",
183: "ORDERED_HASH_SET_TYPE",
184: "ORDERED_NAME_DICTIONARY_TYPE",
185: "SIMPLE_NUMBER_DICTIONARY_TYPE",
186: "CLOSURE_FEEDBACK_CELL_ARRAY_TYPE",
187: "OBJECT_BOILERPLATE_DESCRIPTION_TYPE",
188: "SCRIPT_CONTEXT_TABLE_TYPE",
189: "BYTE_ARRAY_TYPE",
190: "BYTECODE_ARRAY_TYPE",
191: "FIXED_DOUBLE_ARRAY_TYPE",
192: "INTERNAL_CLASS_WITH_SMI_ELEMENTS_TYPE",
193: "SLOPPY_ARGUMENTS_ELEMENTS_TYPE",
194: "AWAIT_CONTEXT_TYPE",
195: "BLOCK_CONTEXT_TYPE",
196: "CATCH_CONTEXT_TYPE",
197: "DEBUG_EVALUATE_CONTEXT_TYPE",
198: "EVAL_CONTEXT_TYPE",
199: "FUNCTION_CONTEXT_TYPE",
200: "MODULE_CONTEXT_TYPE",
201: "NATIVE_CONTEXT_TYPE",
202: "SCRIPT_CONTEXT_TYPE",
203: "WITH_CONTEXT_TYPE",
204: "FOREIGN_TYPE",
205: "WASM_FUNCTION_DATA_TYPE",
206: "WASM_CAPI_FUNCTION_DATA_TYPE",
207: "WASM_EXPORTED_FUNCTION_DATA_TYPE",
208: "WASM_JS_FUNCTION_DATA_TYPE",
209: "WASM_TYPE_INFO_TYPE",
210: "TURBOFAN_BITSET_TYPE_TYPE",
211: "TURBOFAN_HEAP_CONSTANT_TYPE_TYPE",
212: "TURBOFAN_OTHER_NUMBER_CONSTANT_TYPE_TYPE",
213: "TURBOFAN_RANGE_TYPE_TYPE",
214: "TURBOFAN_UNION_TYPE_TYPE",
215: "EXPORTED_SUB_CLASS_BASE_TYPE",
216: "EXPORTED_SUB_CLASS_TYPE",
217: "EXPORTED_SUB_CLASS2_TYPE",
218: "SMALL_ORDERED_HASH_MAP_TYPE",
219: "SMALL_ORDERED_HASH_SET_TYPE",
220: "SMALL_ORDERED_NAME_DICTIONARY_TYPE",
221: "ABSTRACT_INTERNAL_CLASS_SUBCLASS1_TYPE",
222: "ABSTRACT_INTERNAL_CLASS_SUBCLASS2_TYPE",
223: "DESCRIPTOR_ARRAY_TYPE",
224: "STRONG_DESCRIPTOR_ARRAY_TYPE",
225: "SOURCE_TEXT_MODULE_TYPE",
226: "SYNTHETIC_MODULE_TYPE",
227: "UNCOMPILED_DATA_WITH_PREPARSE_DATA_TYPE",
228: "UNCOMPILED_DATA_WITHOUT_PREPARSE_DATA_TYPE",
229: "WEAK_FIXED_ARRAY_TYPE",
230: "TRANSITION_ARRAY_TYPE",
231: "CALL_REF_DATA_TYPE",
232: "CELL_TYPE",
233: "CODE_TYPE",
234: "CODE_DATA_CONTAINER_TYPE",
235: "COVERAGE_INFO_TYPE",
236: "EMBEDDER_DATA_ARRAY_TYPE",
237: "FEEDBACK_METADATA_TYPE",
238: "FEEDBACK_VECTOR_TYPE",
239: "FILLER_TYPE",
240: "FREE_SPACE_TYPE",
241: "INTERNAL_CLASS_TYPE",
242: "INTERNAL_CLASS_WITH_STRUCT_ELEMENTS_TYPE",
243: "MAP_TYPE",
244: "MEGA_DOM_HANDLER_TYPE",
245: "ON_HEAP_BASIC_BLOCK_PROFILER_DATA_TYPE",
246: "PREPARSE_DATA_TYPE",
247: "PROPERTY_ARRAY_TYPE",
248: "PROPERTY_CELL_TYPE",
249: "SCOPE_INFO_TYPE",
250: "SHARED_FUNCTION_INFO_TYPE",
251: "SMI_BOX_TYPE",
252: "SMI_PAIR_TYPE",
253: "SORT_STATE_TYPE",
254: "SWISS_NAME_DICTIONARY_TYPE",
255: "WASM_API_FUNCTION_REF_TYPE",
256: "WEAK_ARRAY_LIST_TYPE",
257: "WEAK_CELL_TYPE",
258: "WASM_ARRAY_TYPE",
259: "WASM_STRUCT_TYPE",
260: "JS_PROXY_TYPE",
1057: "JS_OBJECT_TYPE",
261: "JS_GLOBAL_OBJECT_TYPE",
262: "JS_GLOBAL_PROXY_TYPE",
263: "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_SUSPENDER_OBJECT_TYPE",
2142: "WASM_TABLE_OBJECT_TYPE",
2143: "WASM_TAG_OBJECT_TYPE",
2144: "WASM_VALUE_OBJECT_TYPE",
}
# List of known V8 maps.
KNOWN_MAPS = {
("read_only_space", 0x02119): (243, "MetaMap"),
("read_only_space", 0x02141): (131, "NullMap"),
("read_only_space", 0x02169): (224, "StrongDescriptorArrayMap"),
("read_only_space", 0x02191): (256, "WeakArrayListMap"),
("read_only_space", 0x021d5): (156, "EnumCacheMap"),
("read_only_space", 0x02209): (176, "FixedArrayMap"),
("read_only_space", 0x02255): (8, "OneByteInternalizedStringMap"),
("read_only_space", 0x022a1): (240, "FreeSpaceMap"),
("read_only_space", 0x022c9): (239, "OnePointerFillerMap"),
("read_only_space", 0x022f1): (239, "TwoPointerFillerMap"),
("read_only_space", 0x02319): (131, "UninitializedMap"),
("read_only_space", 0x02391): (131, "UndefinedMap"),
("read_only_space", 0x023d5): (130, "HeapNumberMap"),
("read_only_space", 0x02409): (131, "TheHoleMap"),
("read_only_space", 0x02469): (131, "BooleanMap"),
("read_only_space", 0x0250d): (189, "ByteArrayMap"),
("read_only_space", 0x02535): (176, "FixedCOWArrayMap"),
("read_only_space", 0x0255d): (177, "HashTableMap"),
("read_only_space", 0x02585): (128, "SymbolMap"),
("read_only_space", 0x025ad): (40, "OneByteStringMap"),
("read_only_space", 0x025d5): (249, "ScopeInfoMap"),
("read_only_space", 0x025fd): (250, "SharedFunctionInfoMap"),
("read_only_space", 0x02625): (233, "CodeMap"),
("read_only_space", 0x0264d): (232, "CellMap"),
("read_only_space", 0x02675): (248, "GlobalPropertyCellMap"),
("read_only_space", 0x0269d): (204, "ForeignMap"),
("read_only_space", 0x026c5): (230, "TransitionArrayMap"),
("read_only_space", 0x026ed): (45, "ThinOneByteStringMap"),
("read_only_space", 0x02715): (238, "FeedbackVectorMap"),
("read_only_space", 0x0274d): (131, "ArgumentsMarkerMap"),
("read_only_space", 0x027ad): (131, "ExceptionMap"),
("read_only_space", 0x02809): (131, "TerminationExceptionMap"),
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("read_only_space", 0x028d1): (131, "StaleRegisterMap"),
("read_only_space", 0x02931): (188, "ScriptContextTableMap"),
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("read_only_space", 0x02981): (237, "FeedbackMetadataArrayMap"),
("read_only_space", 0x029a9): (176, "ArrayListMap"),
("read_only_space", 0x029d1): (129, "BigIntMap"),
("read_only_space", 0x029f9): (187, "ObjectBoilerplateDescriptionMap"),
("read_only_space", 0x02a21): (190, "BytecodeArrayMap"),
("read_only_space", 0x02a49): (234, "CodeDataContainerMap"),
("read_only_space", 0x02a71): (235, "CoverageInfoMap"),
("read_only_space", 0x02a99): (191, "FixedDoubleArrayMap"),
("read_only_space", 0x02ac1): (179, "GlobalDictionaryMap"),
("read_only_space", 0x02ae9): (157, "ManyClosuresCellMap"),
("read_only_space", 0x02b11): (244, "MegaDomHandlerMap"),
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("read_only_space", 0x02bb1): (181, "NumberDictionaryMap"),
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("read_only_space", 0x02c29): (183, "OrderedHashSetMap"),
("read_only_space", 0x02c51): (184, "OrderedNameDictionaryMap"),
("read_only_space", 0x02c79): (246, "PreparseDataMap"),
("read_only_space", 0x02ca1): (247, "PropertyArrayMap"),
("read_only_space", 0x02cc9): (153, "SideEffectCallHandlerInfoMap"),
("read_only_space", 0x02cf1): (153, "SideEffectFreeCallHandlerInfoMap"),
("read_only_space", 0x02d19): (153, "NextCallSideEffectFreeCallHandlerInfoMap"),
("read_only_space", 0x02d41): (185, "SimpleNumberDictionaryMap"),
("read_only_space", 0x02d69): (218, "SmallOrderedHashMapMap"),
("read_only_space", 0x02d91): (219, "SmallOrderedHashSetMap"),
("read_only_space", 0x02db9): (220, "SmallOrderedNameDictionaryMap"),
("read_only_space", 0x02de1): (225, "SourceTextModuleMap"),
("read_only_space", 0x02e09): (254, "SwissNameDictionaryMap"),
("read_only_space", 0x02e31): (226, "SyntheticModuleMap"),
("read_only_space", 0x02e59): (206, "WasmCapiFunctionDataMap"),
("read_only_space", 0x02e81): (207, "WasmExportedFunctionDataMap"),
("read_only_space", 0x02ea9): (208, "WasmJSFunctionDataMap"),
("read_only_space", 0x02ed1): (255, "WasmApiFunctionRefMap"),
("read_only_space", 0x02ef9): (209, "WasmTypeInfoMap"),
("read_only_space", 0x02f21): (229, "WeakFixedArrayMap"),
("read_only_space", 0x02f49): (178, "EphemeronHashTableMap"),
("read_only_space", 0x02f71): (236, "EmbedderDataArrayMap"),
("read_only_space", 0x02f99): (257, "WeakCellMap"),
("read_only_space", 0x02fc1): (32, "StringMap"),
("read_only_space", 0x02fe9): (41, "ConsOneByteStringMap"),
("read_only_space", 0x03011): (33, "ConsStringMap"),
("read_only_space", 0x03039): (37, "ThinStringMap"),
("read_only_space", 0x03061): (35, "SlicedStringMap"),
("read_only_space", 0x03089): (43, "SlicedOneByteStringMap"),
("read_only_space", 0x030b1): (34, "ExternalStringMap"),
("read_only_space", 0x030d9): (42, "ExternalOneByteStringMap"),
("read_only_space", 0x03101): (50, "UncachedExternalStringMap"),
("read_only_space", 0x03129): (0, "InternalizedStringMap"),
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("read_only_space", 0x03179): (10, "ExternalOneByteInternalizedStringMap"),
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("read_only_space", 0x031c9): (26, "UncachedExternalOneByteInternalizedStringMap"),
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("read_only_space", 0x03269): (131, "SelfReferenceMarkerMap"),
("read_only_space", 0x03291): (131, "BasicBlockCountersMarkerMap"),
("read_only_space", 0x032d5): (147, "ArrayBoilerplateDescriptionMap"),
("read_only_space", 0x033d5): (159, "InterceptorInfoMap"),
("read_only_space", 0x05c65): (132, "PromiseFulfillReactionJobTaskMap"),
("read_only_space", 0x05c8d): (133, "PromiseRejectReactionJobTaskMap"),
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("read_only_space", 0x05d05): (136, "PromiseResolveThenableJobTaskMap"),
("read_only_space", 0x05d2d): (139, "FunctionTemplateInfoMap"),
("read_only_space", 0x05d55): (140, "ObjectTemplateInfoMap"),
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("read_only_space", 0x05dcd): (143, "AccessorPairMap"),
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("read_only_space", 0x05e45): (148, "AsmWasmDataMap"),
("read_only_space", 0x05e6d): (149, "AsyncGeneratorRequestMap"),
("read_only_space", 0x05e95): (150, "BreakPointMap"),
("read_only_space", 0x05ebd): (151, "BreakPointInfoMap"),
("read_only_space", 0x05ee5): (152, "CachedTemplateObjectMap"),
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("read_only_space", 0x05f5d): (158, "FunctionTemplateRareDataMap"),
("read_only_space", 0x05f85): (160, "InterpreterDataMap"),
("read_only_space", 0x05fad): (161, "ModuleRequestMap"),
("read_only_space", 0x05fd5): (162, "PromiseCapabilityMap"),
("read_only_space", 0x05ffd): (163, "PromiseReactionMap"),
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("read_only_space", 0x0604d): (165, "PrototypeInfoMap"),
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("read_only_space", 0x060c5): (168, "ScriptOrModuleMap"),
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("read_only_space", 0x06485): (222, "AbstractInternalClassSubclass2Map"),
("read_only_space", 0x064ad): (192, "InternalClassWithSmiElementsMap"),
("read_only_space", 0x064d5): (242, "InternalClassWithStructElementsMap"),
("read_only_space", 0x064fd): (217, "ExportedSubClass2Map"),
("read_only_space", 0x06525): (253, "SortStateMap"),
("read_only_space", 0x0654d): (231, "CallRefDataMap"),
("read_only_space", 0x06575): (146, "AllocationSiteWithWeakNextMap"),
("read_only_space", 0x0659d): (146, "AllocationSiteWithoutWeakNextMap"),
("read_only_space", 0x065c5): (137, "LoadHandler1Map"),
("read_only_space", 0x065ed): (137, "LoadHandler2Map"),
("read_only_space", 0x06615): (137, "LoadHandler3Map"),
("read_only_space", 0x0663d): (138, "StoreHandler0Map"),
("read_only_space", 0x06665): (138, "StoreHandler1Map"),
("read_only_space", 0x0668d): (138, "StoreHandler2Map"),
("read_only_space", 0x066b5): (138, "StoreHandler3Map"),
("map_space", 0x02119): (1057, "ExternalMap"),
("map_space", 0x02141): (2114, "JSMessageObjectMap"),
}
# List of known V8 objects.
KNOWN_OBJECTS = {
("read_only_space", 0x021b9): "EmptyWeakArrayList",
("read_only_space", 0x021c5): "EmptyDescriptorArray",
("read_only_space", 0x021fd): "EmptyEnumCache",
("read_only_space", 0x02231): "EmptyFixedArray",
("read_only_space", 0x02239): "NullValue",
("read_only_space", 0x02341): "UninitializedValue",
("read_only_space", 0x023b9): "UndefinedValue",
("read_only_space", 0x023fd): "NanValue",
("read_only_space", 0x02431): "TheHoleValue",
("read_only_space", 0x0245d): "HoleNanValue",
("read_only_space", 0x02491): "TrueValue",
("read_only_space", 0x024d1): "FalseValue",
("read_only_space", 0x02501): "empty_string",
("read_only_space", 0x0273d): "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", 0x032b9): "EmptyPropertyArray",
("read_only_space", 0x032c1): "EmptyByteArray",
("read_only_space", 0x032c9): "EmptyObjectBoilerplateDescription",
("read_only_space", 0x032fd): "EmptyArrayBoilerplateDescription",
("read_only_space", 0x03309): "EmptyClosureFeedbackCellArray",
("read_only_space", 0x03311): "EmptySlowElementDictionary",
("read_only_space", 0x03335): "EmptyOrderedHashMap",
("read_only_space", 0x03349): "EmptyOrderedHashSet",
("read_only_space", 0x0335d): "EmptyFeedbackMetadata",
("read_only_space", 0x03369): "EmptyPropertyDictionary",
("read_only_space", 0x03391): "EmptyOrderedPropertyDictionary",
("read_only_space", 0x033a9): "EmptySwissPropertyDictionary",
("read_only_space", 0x033fd): "NoOpInterceptorInfo",
("read_only_space", 0x03425): "EmptyWeakFixedArray",
("read_only_space", 0x0342d): "InfinityValue",
("read_only_space", 0x03439): "MinusZeroValue",
("read_only_space", 0x03445): "MinusInfinityValue",
("read_only_space", 0x03451): "SelfReferenceMarker",
("read_only_space", 0x03491): "BasicBlockCountersMarker",
("read_only_space", 0x034d5): "OffHeapTrampolineRelocationInfo",
("read_only_space", 0x034e1): "TrampolineTrivialCodeDataContainer",
("read_only_space", 0x034ed): "TrampolinePromiseRejectionCodeDataContainer",
("read_only_space", 0x034f9): "GlobalThisBindingScopeInfo",
("read_only_space", 0x03529): "EmptyFunctionScopeInfo",
("read_only_space", 0x0354d): "NativeScopeInfo",
("read_only_space", 0x03565): "HashSeed",
("old_space", 0x04211): "ArgumentsIteratorAccessor",
("old_space", 0x04255): "ArrayLengthAccessor",
("old_space", 0x04299): "BoundFunctionLengthAccessor",
("old_space", 0x042dd): "BoundFunctionNameAccessor",
("old_space", 0x04321): "ErrorStackAccessor",
("old_space", 0x04365): "FunctionArgumentsAccessor",
("old_space", 0x043a9): "FunctionCallerAccessor",
("old_space", 0x043ed): "FunctionNameAccessor",
("old_space", 0x04431): "FunctionLengthAccessor",
("old_space", 0x04475): "FunctionPrototypeAccessor",
("old_space", 0x044b9): "StringLengthAccessor",
("old_space", 0x044fd): "InvalidPrototypeValidityCell",
("old_space", 0x04505): "EmptyScript",
("old_space", 0x04545): "ManyClosuresCell",
("old_space", 0x04551): "ArrayConstructorProtector",
("old_space", 0x04565): "NoElementsProtector",
("old_space", 0x04579): "MegaDOMProtector",
("old_space", 0x0458d): "IsConcatSpreadableProtector",
("old_space", 0x045a1): "ArraySpeciesProtector",
("old_space", 0x045b5): "TypedArraySpeciesProtector",
("old_space", 0x045c9): "PromiseSpeciesProtector",
("old_space", 0x045dd): "RegExpSpeciesProtector",
("old_space", 0x045f1): "StringLengthProtector",
("old_space", 0x04605): "ArrayIteratorProtector",
("old_space", 0x04619): "ArrayBufferDetachingProtector",
("old_space", 0x0462d): "PromiseHookProtector",
("old_space", 0x04641): "PromiseResolveProtector",
("old_space", 0x04655): "MapIteratorProtector",
("old_space", 0x04669): "PromiseThenProtector",
("old_space", 0x0467d): "SetIteratorProtector",
("old_space", 0x04691): "StringIteratorProtector",
("old_space", 0x046a5): "SingleCharacterStringCache",
("old_space", 0x04aad): "StringSplitCache",
("old_space", 0x04eb5): "RegExpMultipleCache",
("old_space", 0x052bd): "BuiltinsConstantsTable",
("old_space", 0x056e5): "AsyncFunctionAwaitRejectSharedFun",
("old_space", 0x05709): "AsyncFunctionAwaitResolveSharedFun",
("old_space", 0x0572d): "AsyncGeneratorAwaitRejectSharedFun",
("old_space", 0x05751): "AsyncGeneratorAwaitResolveSharedFun",
("old_space", 0x05775): "AsyncGeneratorYieldResolveSharedFun",
("old_space", 0x05799): "AsyncGeneratorReturnResolveSharedFun",
("old_space", 0x057bd): "AsyncGeneratorReturnClosedRejectSharedFun",
("old_space", 0x057e1): "AsyncGeneratorReturnClosedResolveSharedFun",
("old_space", 0x05805): "AsyncIteratorValueUnwrapSharedFun",
("old_space", 0x05829): "PromiseAllResolveElementSharedFun",
("old_space", 0x0584d): "PromiseAllSettledResolveElementSharedFun",
("old_space", 0x05871): "PromiseAllSettledRejectElementSharedFun",
("old_space", 0x05895): "PromiseAnyRejectElementSharedFun",
("old_space", 0x058b9): "PromiseCapabilityDefaultRejectSharedFun",
("old_space", 0x058dd): "PromiseCapabilityDefaultResolveSharedFun",
("old_space", 0x05901): "PromiseCatchFinallySharedFun",
("old_space", 0x05925): "PromiseGetCapabilitiesExecutorSharedFun",
("old_space", 0x05949): "PromiseThenFinallySharedFun",
("old_space", 0x0596d): "PromiseThrowerFinallySharedFun",
("old_space", 0x05991): "PromiseValueThunkFinallySharedFun",
("old_space", 0x059b5): "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",
"RETURN_PROMISE_ON_SUSPEND",
"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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