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Add InstanceType for EphemeronHashTable

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This will allow the GC to differentiate between regular HashTables and EphemeronHashTables.

Bug: chromium:844008
Change-Id: I2f9009ac25eb117de03786b110dd362b829c5e9e
Reviewed-on: https://chromium-review.googlesource.com/1089066
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@google.com>
Cr-Commit-Position: refs/heads/master@{#53577}
This commit is contained in:
Dominik Inführ 2018-06-07 12:47:49 +02:00 committed by Commit Bot
parent 2725f3957e
commit 3b93e695bb
15 changed files with 178 additions and 148 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/compiler/types.cc
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@ -254,6 +254,7 @@ Type::bitset BitsetType::Lub(HeapReferenceType const& type) {
case ACCESSOR_PAIR_TYPE:
case FIXED_ARRAY_TYPE:
case HASH_TABLE_TYPE:
case EPHEMERON_HASH_TABLE_TYPE:
case WEAK_FIXED_ARRAY_TYPE:
case WEAK_ARRAY_LIST_TYPE:
case FIXED_DOUBLE_ARRAY_TYPE:

2
src/heap/heap.h
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@ -140,6 +140,7 @@ using v8::MemoryPressureLevel;
V(Map, string_table_map, StringTableMap) \
V(Map, weak_fixed_array_map, WeakFixedArrayMap) \
V(Map, weak_array_list_map, WeakArrayListMap) \
V(Map, ephemeron_hash_table_map, EphemeronHashTableMap) \
/* String maps */ \
V(Map, native_source_string_map, NativeSourceStringMap) \
V(Map, string_map, StringMap) \
@ -326,6 +327,7 @@ using v8::MemoryPressureLevel;
V(CodeMap) \
V(DebugEvaluateContextMap) \
V(DescriptorArrayMap) \
V(EphemeronHashTableMap) \
V(EmptyByteArray) \
V(EmptyDescriptorArray) \
V(EmptyFixedArray) \

2
src/heap/mark-compact-inl.h
View File

@ -103,7 +103,7 @@ int MarkingVisitor<fixed_array_mode, retaining_path_mode, MarkingState>::
this);
// Partially initialized weak collection is enqueued, but table is ignored.
if (!weak_collection->table()->IsHashTable()) return size;
if (!weak_collection->table()->IsEphemeronHashTable()) return size;
// Mark the backing hash table without pushing it on the marking stack.
Object** slot =

4
src/heap/mark-compact.cc
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@ -1878,6 +1878,8 @@ void MarkCompactCollector::ProcessWeakCollections() {
visitor.VisitPointer(table, value_slot);
}
}
} else {
DCHECK(weak_collection->table()->IsUndefined(isolate()));
}
weak_collection_obj = weak_collection->next();
}
@ -1899,6 +1901,8 @@ void MarkCompactCollector::ClearWeakCollections() {
table->RemoveEntry(i);
}
}
} else {
DCHECK(weak_collection->table()->IsUndefined(isolate()));
}
weak_collection_obj = weak_collection->next();
weak_collection->set_next(heap()->undefined_value());

2
src/heap/setup-heap-internal.cc
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@ -458,6 +458,8 @@ bool Heap::CreateInitialMaps() {
ALLOCATE_VARSIZE_MAP(HASH_TABLE_TYPE, simple_number_dictionary)
ALLOCATE_VARSIZE_MAP(HASH_TABLE_TYPE, string_table)
ALLOCATE_VARSIZE_MAP(EPHEMERON_HASH_TABLE_TYPE, ephemeron_hash_table)
ALLOCATE_VARSIZE_MAP(FIXED_ARRAY_TYPE, array_list)
ALLOCATE_VARSIZE_MAP(FUNCTION_CONTEXT_TYPE, function_context)

1
src/objects-body-descriptors-inl.h
View File

@ -602,6 +602,7 @@ ReturnType BodyDescriptorApply(InstanceType type, T1 p1, T2 p2, T3 p3, T4 p4) {
case FIXED_ARRAY_TYPE:
case BOILERPLATE_DESCRIPTION_TYPE:
case HASH_TABLE_TYPE:
case EPHEMERON_HASH_TABLE_TYPE:
case SCOPE_INFO_TYPE:
case BLOCK_CONTEXT_TYPE:
case CATCH_CONTEXT_TYPE:

5
src/objects-debug.cc
View File

@ -132,6 +132,7 @@ void HeapObject::HeapObjectVerify() {
CallHandlerInfo::cast(this)->CallHandlerInfoVerify();
break;
case HASH_TABLE_TYPE:
case EPHEMERON_HASH_TABLE_TYPE:
case BOILERPLATE_DESCRIPTION_TYPE:
case FIXED_ARRAY_TYPE:
case SCOPE_INFO_TYPE:
@ -1186,7 +1187,7 @@ void JSWeakMap::JSWeakMapVerify() {
CHECK(IsJSWeakMap());
JSObjectVerify();
VerifyHeapPointer(table());
CHECK(table()->IsHashTable() || table()->IsUndefined(GetIsolate()));
CHECK(table()->IsEphemeronHashTable() || table()->IsUndefined(GetIsolate()));
}
void JSArrayIterator::JSArrayIteratorVerify() {
@ -1227,7 +1228,7 @@ void JSWeakSet::JSWeakSetVerify() {
CHECK(IsJSWeakSet());
JSObjectVerify();
VerifyHeapPointer(table());
CHECK(table()->IsHashTable() || table()->IsUndefined(GetIsolate()));
CHECK(table()->IsEphemeronHashTable() || table()->IsUndefined(GetIsolate()));
}
void Microtask::MicrotaskVerify() { CHECK(IsMicrotask()); }

3
src/objects-inl.h
View File

@ -83,6 +83,7 @@ TYPE_CHECKER(CodeDataContainer, CODE_DATA_CONTAINER_TYPE)
TYPE_CHECKER(ConstantElementsPair, TUPLE2_TYPE)
TYPE_CHECKER(CoverageInfo, FIXED_ARRAY_TYPE)
TYPE_CHECKER(DescriptorArray, DESCRIPTOR_ARRAY_TYPE)
TYPE_CHECKER(EphemeronHashTable, EPHEMERON_HASH_TABLE_TYPE)
TYPE_CHECKER(FeedbackCell, FEEDBACK_CELL_TYPE)
TYPE_CHECKER(FeedbackMetadata, FEEDBACK_METADATA_TYPE)
TYPE_CHECKER(FeedbackVector, FEEDBACK_VECTOR_TYPE)
@ -505,8 +506,6 @@ bool HeapObject::IsMapCache() const { return IsHashTable(); }
bool HeapObject::IsObjectHashTable() const { return IsHashTable(); }
bool HeapObject::IsEphemeronHashTable() const { return IsHashTable(); }
bool HeapObject::IsOrderedHashSet() const {
return map() == GetHeap()->ordered_hash_set_map();
}

12
src/objects-printer.cc
View File

@ -98,6 +98,7 @@ void HeapObject::HeapObjectPrint(std::ostream& os) { // NOLINT
FixedDoubleArray::cast(this)->FixedDoubleArrayPrint(os);
break;
case HASH_TABLE_TYPE:
case EPHEMERON_HASH_TABLE_TYPE:
case FIXED_ARRAY_TYPE:
case BLOCK_CONTEXT_TYPE:
case CATCH_CONTEXT_TYPE:
@ -863,8 +864,15 @@ void PrintWeakArrayListWithHeader(std::ostream& os, WeakArrayList* array) {
} // namespace
void FixedArray::FixedArrayPrint(std::ostream& os) { // NOLINT
PrintFixedArrayWithHeader(os, this,
IsHashTable() ? "HashTable" : "FixedArray");
const char* name = "FixedArray";
if (IsHashTable()) {
name = "HashTable";
} else if (IsEphemeronHashTable()) {
name = "EphemeronHashTable";
}
PrintFixedArrayWithHeader(os, this, name);
}
void BoilerplateDescription::BoilerplateDescriptionPrint(std::ostream& os) {

1
src/objects.cc
View File

@ -2979,6 +2979,7 @@ VisitorId Map::GetVisitorId(Map* map) {
case FIXED_ARRAY_TYPE:
case BOILERPLATE_DESCRIPTION_TYPE:
case HASH_TABLE_TYPE:
case EPHEMERON_HASH_TABLE_TYPE:
case SCOPE_INFO_TYPE:
case BLOCK_CONTEXT_TYPE:
case CATCH_CONTEXT_TYPE:

2
src/objects.h
View File

@ -416,6 +416,7 @@ const int kStubMinorKeyBits = kSmiValueSize - kStubMajorKeyBits - 1;
V(FIXED_ARRAY_TYPE) \
V(BOILERPLATE_DESCRIPTION_TYPE) \
V(HASH_TABLE_TYPE) \
V(EPHEMERON_HASH_TABLE_TYPE) \
V(SCOPE_INFO_TYPE) \
\
V(BLOCK_CONTEXT_TYPE) \
@ -799,6 +800,7 @@ enum InstanceType : uint16_t {
FIXED_ARRAY_TYPE, // FIRST_FIXED_ARRAY_TYPE
BOILERPLATE_DESCRIPTION_TYPE,
HASH_TABLE_TYPE,
EPHEMERON_HASH_TABLE_TYPE,
SCOPE_INFO_TYPE,
BLOCK_CONTEXT_TYPE, // FIRST_CONTEXT_TYPE
CATCH_CONTEXT_TYPE,

4
src/objects/hash-table-inl.h
View File

@ -58,6 +58,10 @@ int BaseShape<Key>::GetMapRootIndex() {
return Heap::kHashTableMapRootIndex;
}
int EphemeronHashTableShape::GetMapRootIndex() {
return Heap::kEphemeronHashTableMapRootIndex;
}
template <typename Derived, typename Shape>
int HashTable<Derived, Shape>::FindEntry(Key key) {
return FindEntry(GetIsolate(), key);

5
src/objects/hash-table.h
View File

@ -312,7 +312,10 @@ class ObjectHashTable
DECL_CAST(ObjectHashTable)
};
typedef ObjectHashTableShape EphemeronHashTableShape;
class EphemeronHashTableShape : public ObjectHashTableShape {
public:
static inline int GetMapRootIndex();
};
// EphemeronHashTable is similar to ObjectHashTable but gets special treatment
// by the GC. The GC treats its entries as ephemerons: both key and value are

2
src/profiler/heap-snapshot-generator.cc
View File

@ -1037,7 +1037,7 @@ void V8HeapExplorer::ExtractJSCollectionReferences(int entry,
void V8HeapExplorer::ExtractJSWeakCollectionReferences(int entry,
JSWeakCollection* obj) {
if (obj->table()->IsHashTable()) {
if (obj->table()->IsEphemeronHashTable()) {
EphemeronHashTable* table = EphemeronHashTable::cast(obj->table());
TagFixedArraySubType(table, JS_WEAK_COLLECTION_SUB_TYPE);
}

280
tools/v8heapconst.py
View File

@ -87,33 +87,34 @@ INSTANCE_TYPES = {
183: "FIXED_ARRAY_TYPE",
184: "BOILERPLATE_DESCRIPTION_TYPE",
185: "HASH_TABLE_TYPE",
186: "SCOPE_INFO_TYPE",
187: "BLOCK_CONTEXT_TYPE",
188: "CATCH_CONTEXT_TYPE",
189: "DEBUG_EVALUATE_CONTEXT_TYPE",
190: "EVAL_CONTEXT_TYPE",
191: "FUNCTION_CONTEXT_TYPE",
192: "MODULE_CONTEXT_TYPE",
193: "NATIVE_CONTEXT_TYPE",
194: "SCRIPT_CONTEXT_TYPE",
195: "WITH_CONTEXT_TYPE",
196: "WEAK_FIXED_ARRAY_TYPE",
197: "DESCRIPTOR_ARRAY_TYPE",
198: "TRANSITION_ARRAY_TYPE",
199: "CALL_HANDLER_INFO_TYPE",
200: "CELL_TYPE",
201: "CODE_DATA_CONTAINER_TYPE",
202: "FEEDBACK_CELL_TYPE",
203: "FEEDBACK_VECTOR_TYPE",
204: "LOAD_HANDLER_TYPE",
205: "PROPERTY_ARRAY_TYPE",
206: "PROPERTY_CELL_TYPE",
207: "SHARED_FUNCTION_INFO_TYPE",
208: "SMALL_ORDERED_HASH_MAP_TYPE",
209: "SMALL_ORDERED_HASH_SET_TYPE",
210: "STORE_HANDLER_TYPE",
211: "WEAK_CELL_TYPE",
212: "WEAK_ARRAY_LIST_TYPE",
186: "EPHEMERON_HASH_TABLE_TYPE",
187: "SCOPE_INFO_TYPE",
188: "BLOCK_CONTEXT_TYPE",
189: "CATCH_CONTEXT_TYPE",
190: "DEBUG_EVALUATE_CONTEXT_TYPE",
191: "EVAL_CONTEXT_TYPE",
192: "FUNCTION_CONTEXT_TYPE",
193: "MODULE_CONTEXT_TYPE",
194: "NATIVE_CONTEXT_TYPE",
195: "SCRIPT_CONTEXT_TYPE",
196: "WITH_CONTEXT_TYPE",
197: "WEAK_FIXED_ARRAY_TYPE",
198: "DESCRIPTOR_ARRAY_TYPE",
199: "TRANSITION_ARRAY_TYPE",
200: "CALL_HANDLER_INFO_TYPE",
201: "CELL_TYPE",
202: "CODE_DATA_CONTAINER_TYPE",
203: "FEEDBACK_CELL_TYPE",
204: "FEEDBACK_VECTOR_TYPE",
205: "LOAD_HANDLER_TYPE",
206: "PROPERTY_ARRAY_TYPE",
207: "PROPERTY_CELL_TYPE",
208: "SHARED_FUNCTION_INFO_TYPE",
209: "SMALL_ORDERED_HASH_MAP_TYPE",
210: "SMALL_ORDERED_HASH_SET_TYPE",
211: "STORE_HANDLER_TYPE",
212: "WEAK_CELL_TYPE",
213: "WEAK_ARRAY_LIST_TYPE",
1024: "JS_PROXY_TYPE",
1025: "JS_GLOBAL_OBJECT_TYPE",
1026: "JS_GLOBAL_PROXY_TYPE",
@ -163,9 +164,9 @@ KNOWN_MAPS = {
("RO_SPACE", 0x02201): (138, "FreeSpaceMap"),
("RO_SPACE", 0x02259): (132, "MetaMap"),
("RO_SPACE", 0x022e1): (131, "NullMap"),
("RO_SPACE", 0x02359): (197, "DescriptorArrayMap"),
("RO_SPACE", 0x02359): (198, "DescriptorArrayMap"),
("RO_SPACE", 0x023c1): (183, "FixedArrayMap"),
("RO_SPACE", 0x02429): (211, "WeakCellMap"),
("RO_SPACE", 0x02429): (212, "WeakCellMap"),
("RO_SPACE", 0x024d1): (152, "OnePointerFillerMap"),
("RO_SPACE", 0x02539): (152, "TwoPointerFillerMap"),
("RO_SPACE", 0x025d1): (131, "UninitializedMap"),
@ -179,120 +180,121 @@ KNOWN_MAPS = {
("RO_SPACE", 0x02ad9): (185, "HashTableMap"),
("RO_SPACE", 0x02b41): (128, "SymbolMap"),
("RO_SPACE", 0x02ba9): (72, "OneByteStringMap"),
("RO_SPACE", 0x02c11): (186, "ScopeInfoMap"),
("RO_SPACE", 0x02c79): (207, "SharedFunctionInfoMap"),
("RO_SPACE", 0x02c11): (187, "ScopeInfoMap"),
("RO_SPACE", 0x02c79): (208, "SharedFunctionInfoMap"),
("RO_SPACE", 0x02ce1): (133, "CodeMap"),
("RO_SPACE", 0x02d49): (191, "FunctionContextMap"),
("RO_SPACE", 0x02db1): (200, "CellMap"),
("RO_SPACE", 0x02e19): (206, "GlobalPropertyCellMap"),
("RO_SPACE", 0x02d49): (192, "FunctionContextMap"),
("RO_SPACE", 0x02db1): (201, "CellMap"),
("RO_SPACE", 0x02e19): (207, "GlobalPropertyCellMap"),
("RO_SPACE", 0x02e81): (135, "ForeignMap"),
("RO_SPACE", 0x02ee9): (198, "TransitionArrayMap"),
("RO_SPACE", 0x02f51): (203, "FeedbackVectorMap"),
("RO_SPACE", 0x02ee9): (199, "TransitionArrayMap"),
("RO_SPACE", 0x02f51): (204, "FeedbackVectorMap"),
("RO_SPACE", 0x02ff9): (131, "ArgumentsMarkerMap"),
("RO_SPACE", 0x030b9): (131, "ExceptionMap"),
("RO_SPACE", 0x03179): (131, "TerminationExceptionMap"),
("RO_SPACE", 0x03241): (131, "OptimizedOutMap"),
("RO_SPACE", 0x03301): (131, "StaleRegisterMap"),
("RO_SPACE", 0x03391): (193, "NativeContextMap"),
("RO_SPACE", 0x033f9): (192, "ModuleContextMap"),
("RO_SPACE", 0x03461): (190, "EvalContextMap"),
("RO_SPACE", 0x034c9): (194, "ScriptContextMap"),
("RO_SPACE", 0x03531): (187, "BlockContextMap"),
("RO_SPACE", 0x03599): (188, "CatchContextMap"),
("RO_SPACE", 0x03601): (195, "WithContextMap"),
("RO_SPACE", 0x03669): (189, "DebugEvaluateContextMap"),
("RO_SPACE", 0x03391): (194, "NativeContextMap"),
("RO_SPACE", 0x033f9): (193, "ModuleContextMap"),
("RO_SPACE", 0x03461): (191, "EvalContextMap"),
("RO_SPACE", 0x034c9): (195, "ScriptContextMap"),
("RO_SPACE", 0x03531): (188, "BlockContextMap"),
("RO_SPACE", 0x03599): (189, "CatchContextMap"),
("RO_SPACE", 0x03601): (196, "WithContextMap"),
("RO_SPACE", 0x03669): (190, "DebugEvaluateContextMap"),
("RO_SPACE", 0x036d1): (183, "ScriptContextTableMap"),
("RO_SPACE", 0x03739): (151, "FeedbackMetadataArrayMap"),
("RO_SPACE", 0x037a1): (183, "ArrayListMap"),
("RO_SPACE", 0x03809): (130, "BigIntMap"),
("RO_SPACE", 0x03871): (184, "BoilerplateDescriptionMap"),
("RO_SPACE", 0x038d9): (137, "BytecodeArrayMap"),
("RO_SPACE", 0x03941): (201, "CodeDataContainerMap"),
("RO_SPACE", 0x03941): (202, "CodeDataContainerMap"),
("RO_SPACE", 0x039a9): (150, "FixedDoubleArrayMap"),
("RO_SPACE", 0x03a11): (185, "GlobalDictionaryMap"),
("RO_SPACE", 0x03a79): (202, "ManyClosuresCellMap"),
("RO_SPACE", 0x03a79): (203, "ManyClosuresCellMap"),
("RO_SPACE", 0x03ae1): (183, "ModuleInfoMap"),
("RO_SPACE", 0x03b49): (134, "MutableHeapNumberMap"),
("RO_SPACE", 0x03bb1): (185, "NameDictionaryMap"),
("RO_SPACE", 0x03c19): (202, "NoClosuresCellMap"),
("RO_SPACE", 0x03c19): (203, "NoClosuresCellMap"),
("RO_SPACE", 0x03c81): (185, "NumberDictionaryMap"),
("RO_SPACE", 0x03ce9): (202, "OneClosureCellMap"),
("RO_SPACE", 0x03ce9): (203, "OneClosureCellMap"),
("RO_SPACE", 0x03d51): (185, "OrderedHashMapMap"),
("RO_SPACE", 0x03db9): (185, "OrderedHashSetMap"),
("RO_SPACE", 0x03e21): (205, "PropertyArrayMap"),
("RO_SPACE", 0x03e89): (199, "SideEffectCallHandlerInfoMap"),
("RO_SPACE", 0x03ef1): (199, "SideEffectFreeCallHandlerInfoMap"),
("RO_SPACE", 0x03f59): (199, "NextCallSideEffectFreeCallHandlerInfoMap"),
("RO_SPACE", 0x03e21): (206, "PropertyArrayMap"),
("RO_SPACE", 0x03e89): (200, "SideEffectCallHandlerInfoMap"),
("RO_SPACE", 0x03ef1): (200, "SideEffectFreeCallHandlerInfoMap"),
("RO_SPACE", 0x03f59): (200, "NextCallSideEffectFreeCallHandlerInfoMap"),
("RO_SPACE", 0x03fc1): (185, "SimpleNumberDictionaryMap"),
("RO_SPACE", 0x04029): (183, "SloppyArgumentsElementsMap"),
("RO_SPACE", 0x04091): (208, "SmallOrderedHashMapMap"),
("RO_SPACE", 0x040f9): (209, "SmallOrderedHashSetMap"),
("RO_SPACE", 0x04091): (209, "SmallOrderedHashMapMap"),
("RO_SPACE", 0x040f9): (210, "SmallOrderedHashSetMap"),
("RO_SPACE", 0x04161): (185, "StringTableMap"),
("RO_SPACE", 0x041c9): (196, "WeakFixedArrayMap"),
("RO_SPACE", 0x04231): (212, "WeakArrayListMap"),
("RO_SPACE", 0x04299): (106, "NativeSourceStringMap"),
("RO_SPACE", 0x04301): (64, "StringMap"),
("RO_SPACE", 0x04369): (73, "ConsOneByteStringMap"),
("RO_SPACE", 0x043d1): (65, "ConsStringMap"),
("RO_SPACE", 0x04439): (77, "ThinOneByteStringMap"),
("RO_SPACE", 0x044a1): (69, "ThinStringMap"),
("RO_SPACE", 0x04509): (67, "SlicedStringMap"),
("RO_SPACE", 0x04571): (75, "SlicedOneByteStringMap"),
("RO_SPACE", 0x045d9): (66, "ExternalStringMap"),
("RO_SPACE", 0x04641): (82, "ExternalStringWithOneByteDataMap"),
("RO_SPACE", 0x046a9): (74, "ExternalOneByteStringMap"),
("RO_SPACE", 0x04711): (98, "ShortExternalStringMap"),
("RO_SPACE", 0x04779): (114, "ShortExternalStringWithOneByteDataMap"),
("RO_SPACE", 0x047e1): (0, "InternalizedStringMap"),
("RO_SPACE", 0x04849): (2, "ExternalInternalizedStringMap"),
("RO_SPACE", 0x048b1): (18, "ExternalInternalizedStringWithOneByteDataMap"),
("RO_SPACE", 0x04919): (10, "ExternalOneByteInternalizedStringMap"),
("RO_SPACE", 0x04981): (34, "ShortExternalInternalizedStringMap"),
("RO_SPACE", 0x049e9): (50, "ShortExternalInternalizedStringWithOneByteDataMap"),
("RO_SPACE", 0x04a51): (42, "ShortExternalOneByteInternalizedStringMap"),
("RO_SPACE", 0x04ab9): (106, "ShortExternalOneByteStringMap"),
("RO_SPACE", 0x04b21): (140, "FixedUint8ArrayMap"),
("RO_SPACE", 0x04b89): (139, "FixedInt8ArrayMap"),
("RO_SPACE", 0x04bf1): (142, "FixedUint16ArrayMap"),
("RO_SPACE", 0x04c59): (141, "FixedInt16ArrayMap"),
("RO_SPACE", 0x04cc1): (144, "FixedUint32ArrayMap"),
("RO_SPACE", 0x04d29): (143, "FixedInt32ArrayMap"),
("RO_SPACE", 0x04d91): (145, "FixedFloat32ArrayMap"),
("RO_SPACE", 0x04df9): (146, "FixedFloat64ArrayMap"),
("RO_SPACE", 0x04e61): (147, "FixedUint8ClampedArrayMap"),
("RO_SPACE", 0x04ec9): (149, "FixedBigUint64ArrayMap"),
("RO_SPACE", 0x04f31): (148, "FixedBigInt64ArrayMap"),
("RO_SPACE", 0x04f99): (131, "SelfReferenceMarkerMap"),
("RO_SPACE", 0x05019): (172, "Tuple2Map"),
("RO_SPACE", 0x05211): (170, "ScriptMap"),
("RO_SPACE", 0x053d9): (162, "InterceptorInfoMap"),
("RO_SPACE", 0x09d21): (154, "AccessorInfoMap"),
("RO_SPACE", 0x09f31): (153, "AccessCheckInfoMap"),
("RO_SPACE", 0x09f99): (155, "AccessorPairMap"),
("RO_SPACE", 0x0a001): (156, "AliasedArgumentsEntryMap"),
("RO_SPACE", 0x0a069): (157, "AllocationMementoMap"),
("RO_SPACE", 0x0a0d1): (158, "AllocationSiteMap"),
("RO_SPACE", 0x0a139): (159, "AsyncGeneratorRequestMap"),
("RO_SPACE", 0x0a1a1): (160, "DebugInfoMap"),
("RO_SPACE", 0x0a209): (161, "FunctionTemplateInfoMap"),
("RO_SPACE", 0x0a271): (163, "InterpreterDataMap"),
("RO_SPACE", 0x0a2d9): (164, "ModuleInfoEntryMap"),
("RO_SPACE", 0x0a341): (165, "ModuleMap"),
("RO_SPACE", 0x0a3a9): (166, "ObjectTemplateInfoMap"),
("RO_SPACE", 0x0a411): (167, "PromiseCapabilityMap"),
("RO_SPACE", 0x0a479): (168, "PromiseReactionMap"),
("RO_SPACE", 0x0a4e1): (169, "PrototypeInfoMap"),
("RO_SPACE", 0x0a549): (171, "StackFrameInfoMap"),
("RO_SPACE", 0x0a5b1): (173, "Tuple3Map"),
("RO_SPACE", 0x0a619): (174, "WasmCompiledModuleMap"),
("RO_SPACE", 0x0a681): (175, "WasmDebugInfoMap"),
("RO_SPACE", 0x0a6e9): (176, "WasmExportedFunctionDataMap"),
("RO_SPACE", 0x0a751): (177, "WasmSharedModuleDataMap"),
("RO_SPACE", 0x0a7b9): (178, "CallableTaskMap"),
("RO_SPACE", 0x0a821): (179, "CallbackTaskMap"),
("RO_SPACE", 0x0a889): (180, "PromiseFulfillReactionJobTaskMap"),
("RO_SPACE", 0x0a8f1): (181, "PromiseRejectReactionJobTaskMap"),
("RO_SPACE", 0x0a959): (182, "PromiseResolveThenableJobTaskMap"),
("RO_SPACE", 0x041c9): (197, "WeakFixedArrayMap"),
("RO_SPACE", 0x04231): (213, "WeakArrayListMap"),
("RO_SPACE", 0x04299): (186, "EphemeronHashTableMap"),
("RO_SPACE", 0x04301): (106, "NativeSourceStringMap"),
("RO_SPACE", 0x04369): (64, "StringMap"),
("RO_SPACE", 0x043d1): (73, "ConsOneByteStringMap"),
("RO_SPACE", 0x04439): (65, "ConsStringMap"),
("RO_SPACE", 0x044a1): (77, "ThinOneByteStringMap"),
("RO_SPACE", 0x04509): (69, "ThinStringMap"),
("RO_SPACE", 0x04571): (67, "SlicedStringMap"),
("RO_SPACE", 0x045d9): (75, "SlicedOneByteStringMap"),
("RO_SPACE", 0x04641): (66, "ExternalStringMap"),
("RO_SPACE", 0x046a9): (82, "ExternalStringWithOneByteDataMap"),
("RO_SPACE", 0x04711): (74, "ExternalOneByteStringMap"),
("RO_SPACE", 0x04779): (98, "ShortExternalStringMap"),
("RO_SPACE", 0x047e1): (114, "ShortExternalStringWithOneByteDataMap"),
("RO_SPACE", 0x04849): (0, "InternalizedStringMap"),
("RO_SPACE", 0x048b1): (2, "ExternalInternalizedStringMap"),
("RO_SPACE", 0x04919): (18, "ExternalInternalizedStringWithOneByteDataMap"),
("RO_SPACE", 0x04981): (10, "ExternalOneByteInternalizedStringMap"),
("RO_SPACE", 0x049e9): (34, "ShortExternalInternalizedStringMap"),
("RO_SPACE", 0x04a51): (50, "ShortExternalInternalizedStringWithOneByteDataMap"),
("RO_SPACE", 0x04ab9): (42, "ShortExternalOneByteInternalizedStringMap"),
("RO_SPACE", 0x04b21): (106, "ShortExternalOneByteStringMap"),
("RO_SPACE", 0x04b89): (140, "FixedUint8ArrayMap"),
("RO_SPACE", 0x04bf1): (139, "FixedInt8ArrayMap"),
("RO_SPACE", 0x04c59): (142, "FixedUint16ArrayMap"),
("RO_SPACE", 0x04cc1): (141, "FixedInt16ArrayMap"),
("RO_SPACE", 0x04d29): (144, "FixedUint32ArrayMap"),
("RO_SPACE", 0x04d91): (143, "FixedInt32ArrayMap"),
("RO_SPACE", 0x04df9): (145, "FixedFloat32ArrayMap"),
("RO_SPACE", 0x04e61): (146, "FixedFloat64ArrayMap"),
("RO_SPACE", 0x04ec9): (147, "FixedUint8ClampedArrayMap"),
("RO_SPACE", 0x04f31): (149, "FixedBigUint64ArrayMap"),
("RO_SPACE", 0x04f99): (148, "FixedBigInt64ArrayMap"),
("RO_SPACE", 0x05001): (131, "SelfReferenceMarkerMap"),
("RO_SPACE", 0x05081): (172, "Tuple2Map"),
("RO_SPACE", 0x05279): (170, "ScriptMap"),
("RO_SPACE", 0x05441): (162, "InterceptorInfoMap"),
("RO_SPACE", 0x09d89): (154, "AccessorInfoMap"),
("RO_SPACE", 0x09f99): (153, "AccessCheckInfoMap"),
("RO_SPACE", 0x0a001): (155, "AccessorPairMap"),
("RO_SPACE", 0x0a069): (156, "AliasedArgumentsEntryMap"),
("RO_SPACE", 0x0a0d1): (157, "AllocationMementoMap"),
("RO_SPACE", 0x0a139): (158, "AllocationSiteMap"),
("RO_SPACE", 0x0a1a1): (159, "AsyncGeneratorRequestMap"),
("RO_SPACE", 0x0a209): (160, "DebugInfoMap"),
("RO_SPACE", 0x0a271): (161, "FunctionTemplateInfoMap"),
("RO_SPACE", 0x0a2d9): (163, "InterpreterDataMap"),
("RO_SPACE", 0x0a341): (164, "ModuleInfoEntryMap"),
("RO_SPACE", 0x0a3a9): (165, "ModuleMap"),
("RO_SPACE", 0x0a411): (166, "ObjectTemplateInfoMap"),
("RO_SPACE", 0x0a479): (167, "PromiseCapabilityMap"),
("RO_SPACE", 0x0a4e1): (168, "PromiseReactionMap"),
("RO_SPACE", 0x0a549): (169, "PrototypeInfoMap"),
("RO_SPACE", 0x0a5b1): (171, "StackFrameInfoMap"),
("RO_SPACE", 0x0a619): (173, "Tuple3Map"),
("RO_SPACE", 0x0a681): (174, "WasmCompiledModuleMap"),
("RO_SPACE", 0x0a6e9): (175, "WasmDebugInfoMap"),
("RO_SPACE", 0x0a751): (176, "WasmExportedFunctionDataMap"),
("RO_SPACE", 0x0a7b9): (177, "WasmSharedModuleDataMap"),
("RO_SPACE", 0x0a821): (178, "CallableTaskMap"),
("RO_SPACE", 0x0a889): (179, "CallbackTaskMap"),
("RO_SPACE", 0x0a8f1): (180, "PromiseFulfillReactionJobTaskMap"),
("RO_SPACE", 0x0a959): (181, "PromiseRejectReactionJobTaskMap"),
("RO_SPACE", 0x0a9c1): (182, "PromiseResolveThenableJobTaskMap"),
("MAP_SPACE", 0x02201): (1057, "ExternalMap"),
("MAP_SPACE", 0x02259): (1072, "JSMessageObjectMap"),
}
@ -316,26 +318,26 @@ KNOWN_OBJECTS = {
("RO_SPACE", 0x03149): "TerminationException",
("RO_SPACE", 0x03211): "OptimizedOut",
("RO_SPACE", 0x032d1): "StaleRegister",
("RO_SPACE", 0x05091): "EmptyByteArray",
("RO_SPACE", 0x050b1): "EmptyFixedUint8Array",
("RO_SPACE", 0x050d1): "EmptyFixedInt8Array",
("RO_SPACE", 0x050f1): "EmptyFixedUint16Array",
("RO_SPACE", 0x05111): "EmptyFixedInt16Array",
("RO_SPACE", 0x05131): "EmptyFixedUint32Array",
("RO_SPACE", 0x05151): "EmptyFixedInt32Array",
("RO_SPACE", 0x05171): "EmptyFixedFloat32Array",
("RO_SPACE", 0x05191): "EmptyFixedFloat64Array",
("RO_SPACE", 0x051b1): "EmptyFixedUint8ClampedArray",
("RO_SPACE", 0x05289): "EmptySloppyArgumentsElements",
("RO_SPACE", 0x052a9): "EmptySlowElementDictionary",
("RO_SPACE", 0x052f1): "EmptyOrderedHashMap",
("RO_SPACE", 0x05319): "EmptyOrderedHashSet",
("RO_SPACE", 0x05351): "EmptyPropertyCell",
("RO_SPACE", 0x05379): "EmptyWeakCell",
("RO_SPACE", 0x05459): "InfinityValue",
("RO_SPACE", 0x05469): "MinusZeroValue",
("RO_SPACE", 0x05479): "MinusInfinityValue",
("RO_SPACE", 0x05489): "SelfReferenceMarker",
("RO_SPACE", 0x050f9): "EmptyByteArray",
("RO_SPACE", 0x05119): "EmptyFixedUint8Array",
("RO_SPACE", 0x05139): "EmptyFixedInt8Array",
("RO_SPACE", 0x05159): "EmptyFixedUint16Array",
("RO_SPACE", 0x05179): "EmptyFixedInt16Array",
("RO_SPACE", 0x05199): "EmptyFixedUint32Array",
("RO_SPACE", 0x051b9): "EmptyFixedInt32Array",
("RO_SPACE", 0x051d9): "EmptyFixedFloat32Array",
("RO_SPACE", 0x051f9): "EmptyFixedFloat64Array",
("RO_SPACE", 0x05219): "EmptyFixedUint8ClampedArray",
("RO_SPACE", 0x052f1): "EmptySloppyArgumentsElements",
("RO_SPACE", 0x05311): "EmptySlowElementDictionary",
("RO_SPACE", 0x05359): "EmptyOrderedHashMap",
("RO_SPACE", 0x05381): "EmptyOrderedHashSet",
("RO_SPACE", 0x053b9): "EmptyPropertyCell",
("RO_SPACE", 0x053e1): "EmptyWeakCell",
("RO_SPACE", 0x054c1): "InfinityValue",
("RO_SPACE", 0x054d1): "MinusZeroValue",
("RO_SPACE", 0x054e1): "MinusInfinityValue",
("RO_SPACE", 0x054f1): "SelfReferenceMarker",
("OLD_SPACE", 0x02211): "EmptyScript",
("OLD_SPACE", 0x02299): "ManyClosuresCell",
("OLD_SPACE", 0x022b9): "NoElementsProtector",