From b3d09001eb012ebf75816f5be51a2b1db47e55f2 Mon Sep 17 00:00:00 2001 From: Santiago Aboy Solanes Date: Fri, 8 Jan 2021 17:13:24 +0000 Subject: [PATCH] [objects] Remove uncached internal external string type We shouldn't be creating those anymore since they are not thread-safe. Bug: v8:7790 Change-Id: I4546d995fa32eb076c8dfe9d95301fad719c9e07 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2615347 Reviewed-by: Ross McIlroy Reviewed-by: Leszek Swirski Commit-Queue: Santiago Aboy Solanes Cr-Commit-Position: refs/heads/master@{#72006} --- src/compiler/types.cc | 2 - src/diagnostics/objects-printer.cc | 2 - src/objects/instance-type.h | 14 +-- src/objects/objects-definitions.h | 9 -- src/roots/roots.h | 4 - test/cctest/test-strings.cc | 1 - tools/heap-stats/categories.js | 2 - tools/v8heapconst.py | 190 ++++++++++++++--------------- 8 files changed, 98 insertions(+), 126 deletions(-) diff --git a/src/compiler/types.cc b/src/compiler/types.cc index 70337fb9fa..7912b09ac0 100644 --- a/src/compiler/types.cc +++ b/src/compiler/types.cc @@ -153,8 +153,6 @@ Type::bitset BitsetType::Lub(const MapRefLike& map) { return kString; case EXTERNAL_INTERNALIZED_STRING_TYPE: case EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE: - case UNCACHED_EXTERNAL_INTERNALIZED_STRING_TYPE: - case UNCACHED_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE: case INTERNALIZED_STRING_TYPE: case ONE_BYTE_INTERNALIZED_STRING_TYPE: return kInternalizedString; diff --git a/src/diagnostics/objects-printer.cc b/src/diagnostics/objects-printer.cc index 9b5eb16857..508e5aad2e 100644 --- a/src/diagnostics/objects-printer.cc +++ b/src/diagnostics/objects-printer.cc @@ -232,8 +232,6 @@ void HeapObject::HeapObjectPrint(std::ostream& os) { // NOLINT case EXTERNAL_INTERNALIZED_STRING_TYPE: case ONE_BYTE_INTERNALIZED_STRING_TYPE: case EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE: - case UNCACHED_EXTERNAL_INTERNALIZED_STRING_TYPE: - case UNCACHED_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE: case STRING_TYPE: case CONS_STRING_TYPE: case EXTERNAL_STRING_TYPE: diff --git a/src/objects/instance-type.h b/src/objects/instance-type.h index 1d9917e3ab..cc65797210 100644 --- a/src/objects/instance-type.h +++ b/src/objects/instance-type.h @@ -87,12 +87,6 @@ enum InstanceType : uint16_t { kTwoByteStringTag | kExternalStringTag | kInternalizedTag, EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE = kOneByteStringTag | kExternalStringTag | kInternalizedTag, - UNCACHED_EXTERNAL_INTERNALIZED_STRING_TYPE = - EXTERNAL_INTERNALIZED_STRING_TYPE | kUncachedExternalStringTag | - kInternalizedTag, - UNCACHED_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE = - EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE | kUncachedExternalStringTag | - kInternalizedTag, STRING_TYPE = INTERNALIZED_STRING_TYPE | kNotInternalizedTag, ONE_BYTE_STRING_TYPE = ONE_BYTE_INTERNALIZED_STRING_TYPE | kNotInternalizedTag, @@ -107,10 +101,12 @@ enum InstanceType : uint16_t { EXTERNAL_INTERNALIZED_STRING_TYPE | kNotInternalizedTag, EXTERNAL_ONE_BYTE_STRING_TYPE = EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE | kNotInternalizedTag, - UNCACHED_EXTERNAL_STRING_TYPE = - UNCACHED_EXTERNAL_INTERNALIZED_STRING_TYPE | kNotInternalizedTag, + UNCACHED_EXTERNAL_STRING_TYPE = kTwoByteStringTag | kExternalStringTag | + kUncachedExternalStringTag | + kNotInternalizedTag, UNCACHED_EXTERNAL_ONE_BYTE_STRING_TYPE = - UNCACHED_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE | kNotInternalizedTag, + kOneByteStringTag | kExternalStringTag | kUncachedExternalStringTag | + kNotInternalizedTag, THIN_STRING_TYPE = kTwoByteStringTag | kThinStringTag | kNotInternalizedTag, THIN_ONE_BYTE_STRING_TYPE = kOneByteStringTag | kThinStringTag | kNotInternalizedTag, diff --git a/src/objects/objects-definitions.h b/src/objects/objects-definitions.h index 09fe4d33bc..3606f6c605 100644 --- a/src/objects/objects-definitions.h +++ b/src/objects/objects-definitions.h @@ -36,8 +36,6 @@ namespace internal { V(EXTERNAL_INTERNALIZED_STRING_TYPE) \ V(ONE_BYTE_INTERNALIZED_STRING_TYPE) \ V(EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE) \ - V(UNCACHED_EXTERNAL_INTERNALIZED_STRING_TYPE) \ - V(UNCACHED_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE) \ V(STRING_TYPE) \ V(CONS_STRING_TYPE) \ V(EXTERNAL_STRING_TYPE) \ @@ -85,13 +83,6 @@ namespace internal { external_internalized_string, ExternalInternalizedString) \ V(EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE, ExternalOneByteString::kSize, \ external_one_byte_internalized_string, ExternalOneByteInternalizedString) \ - V(UNCACHED_EXTERNAL_INTERNALIZED_STRING_TYPE, \ - ExternalTwoByteString::kUncachedSize, \ - uncached_external_internalized_string, UncachedExternalInternalizedString) \ - V(UNCACHED_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE, \ - ExternalOneByteString::kUncachedSize, \ - uncached_external_one_byte_internalized_string, \ - UncachedExternalOneByteInternalizedString) \ V(THIN_STRING_TYPE, ThinString::kSize, thin_string, ThinString) \ V(THIN_ONE_BYTE_STRING_TYPE, ThinString::kSize, thin_one_byte_string, \ ThinOneByteString) diff --git a/src/roots/roots.h b/src/roots/roots.h index e9f33ca1fe..28531ee579 100644 --- a/src/roots/roots.h +++ b/src/roots/roots.h @@ -129,10 +129,6 @@ class Symbol; V(Map, external_internalized_string_map, ExternalInternalizedStringMap) \ V(Map, external_one_byte_internalized_string_map, \ ExternalOneByteInternalizedStringMap) \ - V(Map, uncached_external_internalized_string_map, \ - UncachedExternalInternalizedStringMap) \ - V(Map, uncached_external_one_byte_internalized_string_map, \ - UncachedExternalOneByteInternalizedStringMap) \ V(Map, uncached_external_one_byte_string_map, \ UncachedExternalOneByteStringMap) \ /* Oddball maps */ \ diff --git a/test/cctest/test-strings.cc b/test/cctest/test-strings.cc index 6fac41c861..dc792f4b03 100644 --- a/test/cctest/test-strings.cc +++ b/test/cctest/test-strings.cc @@ -2142,7 +2142,6 @@ TEST(InternalizeExternalStringUncachedWithCopyTwoByte) { CHECK(external->is_uncached()); // Internalize succesfully, with a copy. - CHECK(!external->IsInternalizedString()); Handle internal = factory->InternalizeString(external); CHECK(!external->IsInternalizedString()); CHECK(internal->IsInternalizedString()); diff --git a/tools/heap-stats/categories.js b/tools/heap-stats/categories.js index 2bd08fad02..d3aa8480dc 100644 --- a/tools/heap-stats/categories.js +++ b/tools/heap-stats/categories.js @@ -94,8 +94,6 @@ export const CATEGORIES = new Map([ 'SYMBOL_TYPE', 'THIN_ONE_BYTE_STRING_TYPE', 'THIN_STRING_TYPE', - 'UNCACHED_EXTERNAL_INTERNALIZED_STRING_TYPE', - 'UNCACHED_EXTERNAL_ONE_BYTE_INTERNALIZED_STRING_TYPE', 'UNCACHED_EXTERNAL_ONE_BYTE_STRING_TYPE', 'UNCACHED_EXTERNAL_STRING_TYPE', 'WASM_INSTANCE_OBJECT_TYPE', diff --git a/tools/v8heapconst.py b/tools/v8heapconst.py index 0f916dc211..cfd41e6bbd 100644 --- a/tools/v8heapconst.py +++ b/tools/v8heapconst.py @@ -11,8 +11,6 @@ INSTANCE_TYPES = { 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", @@ -298,75 +296,73 @@ KNOWN_MAPS = { ("read_only_space", 0x03035): (0, "InternalizedStringMap"), ("read_only_space", 0x0305d): (2, "ExternalInternalizedStringMap"), ("read_only_space", 0x03085): (10, "ExternalOneByteInternalizedStringMap"), - ("read_only_space", 0x030ad): (18, "UncachedExternalInternalizedStringMap"), - ("read_only_space", 0x030d5): (26, "UncachedExternalOneByteInternalizedStringMap"), - ("read_only_space", 0x030fd): (58, "UncachedExternalOneByteStringMap"), - ("read_only_space", 0x03125): (67, "SelfReferenceMarkerMap"), - ("read_only_space", 0x0314d): (67, "BasicBlockCountersMarkerMap"), - ("read_only_space", 0x03191): (87, "ArrayBoilerplateDescriptionMap"), - ("read_only_space", 0x03279): (99, "InterceptorInfoMap"), - ("read_only_space", 0x053a5): (72, "PromiseFulfillReactionJobTaskMap"), - ("read_only_space", 0x053cd): (73, "PromiseRejectReactionJobTaskMap"), - ("read_only_space", 0x053f5): (74, "CallableTaskMap"), - ("read_only_space", 0x0541d): (75, "CallbackTaskMap"), - ("read_only_space", 0x05445): (76, "PromiseResolveThenableJobTaskMap"), - ("read_only_space", 0x0546d): (79, "FunctionTemplateInfoMap"), - ("read_only_space", 0x05495): (80, "ObjectTemplateInfoMap"), - ("read_only_space", 0x054bd): (81, "AccessCheckInfoMap"), - ("read_only_space", 0x054e5): (82, "AccessorInfoMap"), - ("read_only_space", 0x0550d): (83, "AccessorPairMap"), - ("read_only_space", 0x05535): (84, "AliasedArgumentsEntryMap"), - ("read_only_space", 0x0555d): (85, "AllocationMementoMap"), - ("read_only_space", 0x05585): (88, "AsmWasmDataMap"), - ("read_only_space", 0x055ad): (89, "AsyncGeneratorRequestMap"), - ("read_only_space", 0x055d5): (90, "BreakPointMap"), - ("read_only_space", 0x055fd): (91, "BreakPointInfoMap"), - ("read_only_space", 0x05625): (92, "CachedTemplateObjectMap"), - ("read_only_space", 0x0564d): (94, "ClassPositionsMap"), - ("read_only_space", 0x05675): (95, "DebugInfoMap"), - ("read_only_space", 0x0569d): (98, "FunctionTemplateRareDataMap"), - ("read_only_space", 0x056c5): (100, "InterpreterDataMap"), - ("read_only_space", 0x056ed): (101, "ModuleRequestMap"), - ("read_only_space", 0x05715): (102, "PromiseCapabilityMap"), - ("read_only_space", 0x0573d): (103, "PromiseReactionMap"), - ("read_only_space", 0x05765): (104, "PropertyDescriptorObjectMap"), - ("read_only_space", 0x0578d): (105, "PrototypeInfoMap"), - ("read_only_space", 0x057b5): (106, "ScriptMap"), - ("read_only_space", 0x057dd): (107, "SourceTextModuleInfoEntryMap"), - ("read_only_space", 0x05805): (108, "StackFrameInfoMap"), - ("read_only_space", 0x0582d): (109, "StackTraceFrameMap"), - ("read_only_space", 0x05855): (110, "TemplateObjectDescriptionMap"), - ("read_only_space", 0x0587d): (111, "Tuple2Map"), - ("read_only_space", 0x058a5): (112, "WasmExceptionTagMap"), - ("read_only_space", 0x058cd): (113, "WasmExportedFunctionDataMap"), - ("read_only_space", 0x058f5): (114, "WasmIndirectFunctionTableMap"), - ("read_only_space", 0x0591d): (115, "WasmJSFunctionDataMap"), - ("read_only_space", 0x05945): (134, "SloppyArgumentsElementsMap"), - ("read_only_space", 0x0596d): (151, "DescriptorArrayMap"), - ("read_only_space", 0x05995): (156, "UncompiledDataWithoutPreparseDataMap"), - ("read_only_space", 0x059bd): (155, "UncompiledDataWithPreparseDataMap"), - ("read_only_space", 0x059e5): (171, "OnHeapBasicBlockProfilerDataMap"), - ("read_only_space", 0x05a0d): (180, "WasmCapiFunctionDataMap"), - ("read_only_space", 0x05a35): (168, "InternalClassMap"), - ("read_only_space", 0x05a5d): (177, "SmiPairMap"), - ("read_only_space", 0x05a85): (176, "SmiBoxMap"), - ("read_only_space", 0x05aad): (145, "ExportedSubClassBaseMap"), - ("read_only_space", 0x05ad5): (146, "ExportedSubClassMap"), - ("read_only_space", 0x05afd): (68, "AbstractInternalClassSubclass1Map"), - ("read_only_space", 0x05b25): (69, "AbstractInternalClassSubclass2Map"), - ("read_only_space", 0x05b4d): (133, "InternalClassWithSmiElementsMap"), - ("read_only_space", 0x05b75): (169, "InternalClassWithStructElementsMap"), - ("read_only_space", 0x05b9d): (147, "ExportedSubClass2Map"), - ("read_only_space", 0x05bc5): (178, "SortStateMap"), - ("read_only_space", 0x05bed): (86, "AllocationSiteWithWeakNextMap"), - ("read_only_space", 0x05c15): (86, "AllocationSiteWithoutWeakNextMap"), - ("read_only_space", 0x05c3d): (77, "LoadHandler1Map"), - ("read_only_space", 0x05c65): (77, "LoadHandler2Map"), - ("read_only_space", 0x05c8d): (77, "LoadHandler3Map"), - ("read_only_space", 0x05cb5): (78, "StoreHandler0Map"), - ("read_only_space", 0x05cdd): (78, "StoreHandler1Map"), - ("read_only_space", 0x05d05): (78, "StoreHandler2Map"), - ("read_only_space", 0x05d2d): (78, "StoreHandler3Map"), + ("read_only_space", 0x030ad): (58, "UncachedExternalOneByteStringMap"), + ("read_only_space", 0x030d5): (67, "SelfReferenceMarkerMap"), + ("read_only_space", 0x030fd): (67, "BasicBlockCountersMarkerMap"), + ("read_only_space", 0x03141): (87, "ArrayBoilerplateDescriptionMap"), + ("read_only_space", 0x03229): (99, "InterceptorInfoMap"), + ("read_only_space", 0x05355): (72, "PromiseFulfillReactionJobTaskMap"), + ("read_only_space", 0x0537d): (73, "PromiseRejectReactionJobTaskMap"), + ("read_only_space", 0x053a5): (74, "CallableTaskMap"), + ("read_only_space", 0x053cd): (75, "CallbackTaskMap"), + ("read_only_space", 0x053f5): (76, "PromiseResolveThenableJobTaskMap"), + ("read_only_space", 0x0541d): (79, "FunctionTemplateInfoMap"), + ("read_only_space", 0x05445): (80, "ObjectTemplateInfoMap"), + ("read_only_space", 0x0546d): (81, "AccessCheckInfoMap"), + ("read_only_space", 0x05495): (82, "AccessorInfoMap"), + ("read_only_space", 0x054bd): (83, "AccessorPairMap"), + ("read_only_space", 0x054e5): (84, "AliasedArgumentsEntryMap"), + ("read_only_space", 0x0550d): (85, "AllocationMementoMap"), + ("read_only_space", 0x05535): (88, "AsmWasmDataMap"), + ("read_only_space", 0x0555d): (89, "AsyncGeneratorRequestMap"), + ("read_only_space", 0x05585): (90, "BreakPointMap"), + ("read_only_space", 0x055ad): (91, "BreakPointInfoMap"), + ("read_only_space", 0x055d5): (92, "CachedTemplateObjectMap"), + ("read_only_space", 0x055fd): (94, "ClassPositionsMap"), + ("read_only_space", 0x05625): (95, "DebugInfoMap"), + ("read_only_space", 0x0564d): (98, "FunctionTemplateRareDataMap"), + ("read_only_space", 0x05675): (100, "InterpreterDataMap"), + ("read_only_space", 0x0569d): (101, "ModuleRequestMap"), + ("read_only_space", 0x056c5): (102, "PromiseCapabilityMap"), + ("read_only_space", 0x056ed): (103, "PromiseReactionMap"), + ("read_only_space", 0x05715): (104, "PropertyDescriptorObjectMap"), + ("read_only_space", 0x0573d): (105, "PrototypeInfoMap"), + ("read_only_space", 0x05765): (106, "ScriptMap"), + ("read_only_space", 0x0578d): (107, "SourceTextModuleInfoEntryMap"), + ("read_only_space", 0x057b5): (108, "StackFrameInfoMap"), + ("read_only_space", 0x057dd): (109, "StackTraceFrameMap"), + ("read_only_space", 0x05805): (110, "TemplateObjectDescriptionMap"), + ("read_only_space", 0x0582d): (111, "Tuple2Map"), + ("read_only_space", 0x05855): (112, "WasmExceptionTagMap"), + ("read_only_space", 0x0587d): (113, "WasmExportedFunctionDataMap"), + ("read_only_space", 0x058a5): (114, "WasmIndirectFunctionTableMap"), + ("read_only_space", 0x058cd): (115, "WasmJSFunctionDataMap"), + ("read_only_space", 0x058f5): (134, "SloppyArgumentsElementsMap"), + ("read_only_space", 0x0591d): (151, "DescriptorArrayMap"), + ("read_only_space", 0x05945): (156, "UncompiledDataWithoutPreparseDataMap"), + ("read_only_space", 0x0596d): (155, "UncompiledDataWithPreparseDataMap"), + ("read_only_space", 0x05995): (171, "OnHeapBasicBlockProfilerDataMap"), + ("read_only_space", 0x059bd): (180, "WasmCapiFunctionDataMap"), + ("read_only_space", 0x059e5): (168, "InternalClassMap"), + ("read_only_space", 0x05a0d): (177, "SmiPairMap"), + ("read_only_space", 0x05a35): (176, "SmiBoxMap"), + ("read_only_space", 0x05a5d): (145, "ExportedSubClassBaseMap"), + ("read_only_space", 0x05a85): (146, "ExportedSubClassMap"), + ("read_only_space", 0x05aad): (68, "AbstractInternalClassSubclass1Map"), + ("read_only_space", 0x05ad5): (69, "AbstractInternalClassSubclass2Map"), + ("read_only_space", 0x05afd): (133, "InternalClassWithSmiElementsMap"), + ("read_only_space", 0x05b25): (169, "InternalClassWithStructElementsMap"), + ("read_only_space", 0x05b4d): (147, "ExportedSubClass2Map"), + ("read_only_space", 0x05b75): (178, "SortStateMap"), + ("read_only_space", 0x05b9d): (86, "AllocationSiteWithWeakNextMap"), + ("read_only_space", 0x05bc5): (86, "AllocationSiteWithoutWeakNextMap"), + ("read_only_space", 0x05bed): (77, "LoadHandler1Map"), + ("read_only_space", 0x05c15): (77, "LoadHandler2Map"), + ("read_only_space", 0x05c3d): (77, "LoadHandler3Map"), + ("read_only_space", 0x05c65): (78, "StoreHandler0Map"), + ("read_only_space", 0x05c8d): (78, "StoreHandler1Map"), + ("read_only_space", 0x05cb5): (78, "StoreHandler2Map"), + ("read_only_space", 0x05cdd): (78, "StoreHandler3Map"), ("map_space", 0x02115): (1057, "ExternalMap"), ("map_space", 0x0213d): (1084, "JSMessageObjectMap"), ("map_space", 0x02165): (181, "WasmRttEqrefMap"), @@ -397,32 +393,32 @@ KNOWN_OBJECTS = { ("read_only_space", 0x0282d): "TerminationException", ("read_only_space", 0x02895): "OptimizedOut", ("read_only_space", 0x028f5): "StaleRegister", - ("read_only_space", 0x03175): "EmptyPropertyArray", - ("read_only_space", 0x0317d): "EmptyByteArray", - ("read_only_space", 0x03185): "EmptyObjectBoilerplateDescription", - ("read_only_space", 0x031b9): "EmptyArrayBoilerplateDescription", - ("read_only_space", 0x031c5): "EmptyClosureFeedbackCellArray", - ("read_only_space", 0x031cd): "EmptySlowElementDictionary", - ("read_only_space", 0x031f1): "EmptyOrderedHashMap", - ("read_only_space", 0x03205): "EmptyOrderedHashSet", - ("read_only_space", 0x03219): "EmptyFeedbackMetadata", - ("read_only_space", 0x03225): "EmptyPropertyCell", - ("read_only_space", 0x03239): "EmptyPropertyDictionary", - ("read_only_space", 0x03261): "EmptyOrderedPropertyDictionary", - ("read_only_space", 0x032a1): "NoOpInterceptorInfo", - ("read_only_space", 0x032c9): "EmptyWeakArrayList", - ("read_only_space", 0x032d5): "InfinityValue", - ("read_only_space", 0x032e1): "MinusZeroValue", - ("read_only_space", 0x032ed): "MinusInfinityValue", - ("read_only_space", 0x032f9): "SelfReferenceMarker", - ("read_only_space", 0x03339): "BasicBlockCountersMarker", - ("read_only_space", 0x0337d): "OffHeapTrampolineRelocationInfo", - ("read_only_space", 0x03389): "TrampolineTrivialCodeDataContainer", - ("read_only_space", 0x03395): "TrampolinePromiseRejectionCodeDataContainer", - ("read_only_space", 0x033a1): "GlobalThisBindingScopeInfo", - ("read_only_space", 0x033d9): "EmptyFunctionScopeInfo", - ("read_only_space", 0x03401): "NativeScopeInfo", - ("read_only_space", 0x0341d): "HashSeed", + ("read_only_space", 0x03125): "EmptyPropertyArray", + ("read_only_space", 0x0312d): "EmptyByteArray", + ("read_only_space", 0x03135): "EmptyObjectBoilerplateDescription", + ("read_only_space", 0x03169): "EmptyArrayBoilerplateDescription", + ("read_only_space", 0x03175): "EmptyClosureFeedbackCellArray", + ("read_only_space", 0x0317d): "EmptySlowElementDictionary", + ("read_only_space", 0x031a1): "EmptyOrderedHashMap", + ("read_only_space", 0x031b5): "EmptyOrderedHashSet", + ("read_only_space", 0x031c9): "EmptyFeedbackMetadata", + ("read_only_space", 0x031d5): "EmptyPropertyCell", + ("read_only_space", 0x031e9): "EmptyPropertyDictionary", + ("read_only_space", 0x03211): "EmptyOrderedPropertyDictionary", + ("read_only_space", 0x03251): "NoOpInterceptorInfo", + ("read_only_space", 0x03279): "EmptyWeakArrayList", + ("read_only_space", 0x03285): "InfinityValue", + ("read_only_space", 0x03291): "MinusZeroValue", + ("read_only_space", 0x0329d): "MinusInfinityValue", + ("read_only_space", 0x032a9): "SelfReferenceMarker", + ("read_only_space", 0x032e9): "BasicBlockCountersMarker", + ("read_only_space", 0x0332d): "OffHeapTrampolineRelocationInfo", + ("read_only_space", 0x03339): "TrampolineTrivialCodeDataContainer", + ("read_only_space", 0x03345): "TrampolinePromiseRejectionCodeDataContainer", + ("read_only_space", 0x03351): "GlobalThisBindingScopeInfo", + ("read_only_space", 0x03389): "EmptyFunctionScopeInfo", + ("read_only_space", 0x033b1): "NativeScopeInfo", + ("read_only_space", 0x033cd): "HashSeed", ("old_space", 0x02115): "ArgumentsIteratorAccessor", ("old_space", 0x02159): "ArrayLengthAccessor", ("old_space", 0x0219d): "BoundFunctionLengthAccessor",