Skip to content

V
V8
Commit 7d3f3d7f authored by Ulan Degenbaev's avatar Ulan Degenbaev Committed by Commit Bot
Browse files
Options

[heap] Fix alignment of large fixed double array. 

This ensures that large objects have alignment suitable for a fixed
double arrays.

Bug: chromium:1161759
Change-Id: I64fe88d641fedbb5e27c2b38c1b9a4e75cab535a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2639959Reviewed-by: 's avatarIgor Sheludko <ishell@chromium.org>
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72251}
parent ee89feb1
Show whitespace changes
Inline Side-by-side
Showing with 270 additions and 260 deletions
src/heap/memory-chunk-layout.cc
View file @ 7d3f3d7f
...@@ -41,7 +41,7 @@ size_t MemoryChunkLayout::AllocatableMemoryInCodePage() { ...@@ -41,7 +41,7 @@ size_t MemoryChunkLayout::AllocatableMemoryInCodePage() {
} }
intptr_t MemoryChunkLayout::ObjectStartOffsetInDataPage() { intptr_t MemoryChunkLayout::ObjectStartOffsetInDataPage() {
return RoundUp(MemoryChunk::kHeaderSize + Bitmap::kSize, kTaggedSize); return RoundUp(MemoryChunk::kHeaderSize + Bitmap::kSize, kDoubleSize);
} }
size_t MemoryChunkLayout::ObjectStartOffsetInMemoryChunk( size_t MemoryChunkLayout::ObjectStartOffsetInMemoryChunk(
......
test/cctest/heap/test-spaces.cc
View file @ 7d3f3d7f
...@@ -328,6 +328,16 @@ TEST(OldLargeObjectSpace) { ...@@ -328,6 +328,16 @@ TEST(OldLargeObjectSpace) {
CHECK(lo->Contains(ho)); CHECK(lo->Contains(ho));
CHECK_EQ(0, Heap::GetFillToAlign(ho.address(), kWordAligned));
// All large objects have the same alignment because they start at the
// same offset within a page. Fixed double arrays have the most strict
// alignment requirements.
CHECK_EQ(
0, Heap::GetFillToAlign(
ho.address(),
HeapObject::RequiredAlignment(
ReadOnlyRoots(CcTest::i_isolate()).fixed_double_array_map())));
while (true) { while (true) {
{ {
AllocationResult allocation = lo->AllocateRaw(lo_size); AllocationResult allocation = lo->AllocateRaw(lo_size);
......
tools/v8heapconst.py
View file @ 7d3f3d7f
...@@ -230,269 +230,269 @@ INSTANCE_TYPES = { ...@@ -230,269 +230,269 @@ INSTANCE_TYPES = {
# List of known V8 maps. # List of known V8 maps.
KNOWN_MAPS = { KNOWN_MAPS = {
("read_only_space", 0x02115): (170, "MetaMap"), ("read_only_space", 0x02119): (170, "MetaMap"),
("read_only_space", 0x0213d): (67, "NullMap"), ("read_only_space", 0x02141): (67, "NullMap"),
("read_only_space", 0x02165): (152, "StrongDescriptorArrayMap"), ("read_only_space", 0x02169): (152, "StrongDescriptorArrayMap"),
("read_only_space", 0x0218d): (157, "WeakFixedArrayMap"), ("read_only_space", 0x02191): (157, "WeakFixedArrayMap"),
("read_only_space", 0x021cd): (96, "EnumCacheMap"), ("read_only_space", 0x021d1): (96, "EnumCacheMap"),
("read_only_space", 0x02201): (116, "FixedArrayMap"), ("read_only_space", 0x02205): (116, "FixedArrayMap"),
("read_only_space", 0x0224d): (8, "OneByteInternalizedStringMap"), ("read_only_space", 0x02251): (8, "OneByteInternalizedStringMap"),
("read_only_space", 0x02299): (167, "FreeSpaceMap"), ("read_only_space", 0x0229d): (167, "FreeSpaceMap"),
("read_only_space", 0x022c1): (166, "OnePointerFillerMap"), ("read_only_space", 0x022c5): (166, "OnePointerFillerMap"),
("read_only_space", 0x022e9): (166, "TwoPointerFillerMap"), ("read_only_space", 0x022ed): (166, "TwoPointerFillerMap"),
("read_only_space", 0x02311): (67, "UninitializedMap"), ("read_only_space", 0x02315): (67, "UninitializedMap"),
("read_only_space", 0x02389): (67, "UndefinedMap"), ("read_only_space", 0x0238d): (67, "UndefinedMap"),
("read_only_space", 0x023cd): (66, "HeapNumberMap"), ("read_only_space", 0x023d1): (66, "HeapNumberMap"),
("read_only_space", 0x02401): (67, "TheHoleMap"), ("read_only_space", 0x02405): (67, "TheHoleMap"),
("read_only_space", 0x02461): (67, "BooleanMap"), ("read_only_space", 0x02465): (67, "BooleanMap"),
("read_only_space", 0x02505): (129, "ByteArrayMap"), ("read_only_space", 0x02509): (129, "ByteArrayMap"),
("read_only_space", 0x0252d): (116, "FixedCOWArrayMap"), ("read_only_space", 0x02531): (116, "FixedCOWArrayMap"),
("read_only_space", 0x02555): (117, "HashTableMap"), ("read_only_space", 0x02559): (117, "HashTableMap"),
("read_only_space", 0x0257d): (64, "SymbolMap"), ("read_only_space", 0x02581): (64, "SymbolMap"),
("read_only_space", 0x025a5): (40, "OneByteStringMap"), ("read_only_space", 0x025a9): (40, "OneByteStringMap"),
("read_only_space", 0x025cd): (133, "ScopeInfoMap"), ("read_only_space", 0x025d1): (133, "ScopeInfoMap"),
("read_only_space", 0x025f5): (175, "SharedFunctionInfoMap"), ("read_only_space", 0x025f9): (175, "SharedFunctionInfoMap"),
("read_only_space", 0x0261d): (160, "CodeMap"), ("read_only_space", 0x02621): (160, "CodeMap"),
("read_only_space", 0x02645): (159, "CellMap"), ("read_only_space", 0x02649): (159, "CellMap"),
("read_only_space", 0x0266d): (174, "GlobalPropertyCellMap"), ("read_only_space", 0x02671): (174, "GlobalPropertyCellMap"),
("read_only_space", 0x02695): (70, "ForeignMap"), ("read_only_space", 0x02699): (70, "ForeignMap"),
("read_only_space", 0x026bd): (158, "TransitionArrayMap"), ("read_only_space", 0x026c1): (158, "TransitionArrayMap"),
("read_only_space", 0x026e5): (45, "ThinOneByteStringMap"), ("read_only_space", 0x026e9): (45, "ThinOneByteStringMap"),
("read_only_space", 0x0270d): (165, "FeedbackVectorMap"), ("read_only_space", 0x02711): (165, "FeedbackVectorMap"),
("read_only_space", 0x02749): (67, "ArgumentsMarkerMap"), ("read_only_space", 0x0274d): (67, "ArgumentsMarkerMap"),
("read_only_space", 0x027a9): (67, "ExceptionMap"), ("read_only_space", 0x027ad): (67, "ExceptionMap"),
("read_only_space", 0x02805): (67, "TerminationExceptionMap"), ("read_only_space", 0x02809): (67, "TerminationExceptionMap"),
("read_only_space", 0x0286d): (67, "OptimizedOutMap"), ("read_only_space", 0x02871): (67, "OptimizedOutMap"),
("read_only_space", 0x028cd): (67, "StaleRegisterMap"), ("read_only_space", 0x028d1): (67, "StaleRegisterMap"),
("read_only_space", 0x0292d): (128, "ScriptContextTableMap"), ("read_only_space", 0x02931): (128, "ScriptContextTableMap"),
("read_only_space", 0x02955): (126, "ClosureFeedbackCellArrayMap"), ("read_only_space", 0x02959): (126, "ClosureFeedbackCellArrayMap"),
("read_only_space", 0x0297d): (164, "FeedbackMetadataArrayMap"), ("read_only_space", 0x02981): (164, "FeedbackMetadataArrayMap"),
("read_only_space", 0x029a5): (116, "ArrayListMap"), ("read_only_space", 0x029a9): (116, "ArrayListMap"),
("read_only_space", 0x029cd): (65, "BigIntMap"), ("read_only_space", 0x029d1): (65, "BigIntMap"),
("read_only_space", 0x029f5): (127, "ObjectBoilerplateDescriptionMap"), ("read_only_space", 0x029f9): (127, "ObjectBoilerplateDescriptionMap"),
("read_only_space", 0x02a1d): (130, "BytecodeArrayMap"), ("read_only_space", 0x02a21): (130, "BytecodeArrayMap"),
("read_only_space", 0x02a45): (161, "CodeDataContainerMap"), ("read_only_space", 0x02a49): (161, "CodeDataContainerMap"),
("read_only_space", 0x02a6d): (162, "CoverageInfoMap"), ("read_only_space", 0x02a71): (162, "CoverageInfoMap"),
("read_only_space", 0x02a95): (131, "FixedDoubleArrayMap"), ("read_only_space", 0x02a99): (131, "FixedDoubleArrayMap"),
("read_only_space", 0x02abd): (119, "GlobalDictionaryMap"), ("read_only_space", 0x02ac1): (119, "GlobalDictionaryMap"),
("read_only_space", 0x02ae5): (97, "ManyClosuresCellMap"), ("read_only_space", 0x02ae9): (97, "ManyClosuresCellMap"),
("read_only_space", 0x02b0d): (116, "ModuleInfoMap"), ("read_only_space", 0x02b11): (116, "ModuleInfoMap"),
("read_only_space", 0x02b35): (120, "NameDictionaryMap"), ("read_only_space", 0x02b39): (120, "NameDictionaryMap"),
("read_only_space", 0x02b5d): (97, "NoClosuresCellMap"), ("read_only_space", 0x02b61): (97, "NoClosuresCellMap"),
("read_only_space", 0x02b85): (121, "NumberDictionaryMap"), ("read_only_space", 0x02b89): (121, "NumberDictionaryMap"),
("read_only_space", 0x02bad): (97, "OneClosureCellMap"), ("read_only_space", 0x02bb1): (97, "OneClosureCellMap"),
("read_only_space", 0x02bd5): (122, "OrderedHashMapMap"), ("read_only_space", 0x02bd9): (122, "OrderedHashMapMap"),
("read_only_space", 0x02bfd): (123, "OrderedHashSetMap"), ("read_only_space", 0x02c01): (123, "OrderedHashSetMap"),
("read_only_space", 0x02c25): (124, "OrderedNameDictionaryMap"), ("read_only_space", 0x02c29): (124, "OrderedNameDictionaryMap"),
("read_only_space", 0x02c4d): (172, "PreparseDataMap"), ("read_only_space", 0x02c51): (172, "PreparseDataMap"),
("read_only_space", 0x02c75): (173, "PropertyArrayMap"), ("read_only_space", 0x02c79): (173, "PropertyArrayMap"),
("read_only_space", 0x02c9d): (93, "SideEffectCallHandlerInfoMap"), ("read_only_space", 0x02ca1): (93, "SideEffectCallHandlerInfoMap"),
("read_only_space", 0x02cc5): (93, "SideEffectFreeCallHandlerInfoMap"), ("read_only_space", 0x02cc9): (93, "SideEffectFreeCallHandlerInfoMap"),
("read_only_space", 0x02ced): (93, "NextCallSideEffectFreeCallHandlerInfoMap"), ("read_only_space", 0x02cf1): (93, "NextCallSideEffectFreeCallHandlerInfoMap"),
("read_only_space", 0x02d15): (125, "SimpleNumberDictionaryMap"), ("read_only_space", 0x02d19): (125, "SimpleNumberDictionaryMap"),
("read_only_space", 0x02d3d): (148, "SmallOrderedHashMapMap"), ("read_only_space", 0x02d41): (148, "SmallOrderedHashMapMap"),
("read_only_space", 0x02d65): (149, "SmallOrderedHashSetMap"), ("read_only_space", 0x02d69): (149, "SmallOrderedHashSetMap"),
("read_only_space", 0x02d8d): (150, "SmallOrderedNameDictionaryMap"), ("read_only_space", 0x02d91): (150, "SmallOrderedNameDictionaryMap"),
("read_only_space", 0x02db5): (153, "SourceTextModuleMap"), ("read_only_space", 0x02db9): (153, "SourceTextModuleMap"),
("read_only_space", 0x02ddd): (154, "SyntheticModuleMap"), ("read_only_space", 0x02de1): (154, "SyntheticModuleMap"),
("read_only_space", 0x02e05): (71, "WasmTypeInfoMap"), ("read_only_space", 0x02e09): (71, "WasmTypeInfoMap"),
("read_only_space", 0x02e2d): (182, "WeakArrayListMap"), ("read_only_space", 0x02e31): (182, "WeakArrayListMap"),
("read_only_space", 0x02e55): (118, "EphemeronHashTableMap"), ("read_only_space", 0x02e59): (118, "EphemeronHashTableMap"),
("read_only_space", 0x02e7d): (163, "EmbedderDataArrayMap"), ("read_only_space", 0x02e81): (163, "EmbedderDataArrayMap"),
("read_only_space", 0x02ea5): (183, "WeakCellMap"), ("read_only_space", 0x02ea9): (183, "WeakCellMap"),
("read_only_space", 0x02ecd): (32, "StringMap"), ("read_only_space", 0x02ed1): (32, "StringMap"),
("read_only_space", 0x02ef5): (41, "ConsOneByteStringMap"), ("read_only_space", 0x02ef9): (41, "ConsOneByteStringMap"),
("read_only_space", 0x02f1d): (33, "ConsStringMap"), ("read_only_space", 0x02f21): (33, "ConsStringMap"),
("read_only_space", 0x02f45): (37, "ThinStringMap"), ("read_only_space", 0x02f49): (37, "ThinStringMap"),
("read_only_space", 0x02f6d): (35, "SlicedStringMap"), ("read_only_space", 0x02f71): (35, "SlicedStringMap"),
("read_only_space", 0x02f95): (43, "SlicedOneByteStringMap"), ("read_only_space", 0x02f99): (43, "SlicedOneByteStringMap"),
("read_only_space", 0x02fbd): (34, "ExternalStringMap"), ("read_only_space", 0x02fc1): (34, "ExternalStringMap"),
("read_only_space", 0x02fe5): (42, "ExternalOneByteStringMap"), ("read_only_space", 0x02fe9): (42, "ExternalOneByteStringMap"),
("read_only_space", 0x0300d): (50, "UncachedExternalStringMap"), ("read_only_space", 0x03011): (50, "UncachedExternalStringMap"),
("read_only_space", 0x03035): (0, "InternalizedStringMap"), ("read_only_space", 0x03039): (0, "InternalizedStringMap"),
("read_only_space", 0x0305d): (2, "ExternalInternalizedStringMap"), ("read_only_space", 0x03061): (2, "ExternalInternalizedStringMap"),
("read_only_space", 0x03085): (10, "ExternalOneByteInternalizedStringMap"), ("read_only_space", 0x03089): (10, "ExternalOneByteInternalizedStringMap"),
("read_only_space", 0x030ad): (18, "UncachedExternalInternalizedStringMap"), ("read_only_space", 0x030b1): (18, "UncachedExternalInternalizedStringMap"),
("read_only_space", 0x030d5): (26, "UncachedExternalOneByteInternalizedStringMap"), ("read_only_space", 0x030d9): (26, "UncachedExternalOneByteInternalizedStringMap"),
("read_only_space", 0x030fd): (58, "UncachedExternalOneByteStringMap"), ("read_only_space", 0x03101): (58, "UncachedExternalOneByteStringMap"),
("read_only_space", 0x03125): (67, "SelfReferenceMarkerMap"), ("read_only_space", 0x03129): (67, "SelfReferenceMarkerMap"),
("read_only_space", 0x0314d): (67, "BasicBlockCountersMarkerMap"), ("read_only_space", 0x03151): (67, "BasicBlockCountersMarkerMap"),
("read_only_space", 0x03191): (87, "ArrayBoilerplateDescriptionMap"), ("read_only_space", 0x03195): (87, "ArrayBoilerplateDescriptionMap"),
("read_only_space", 0x03279): (99, "InterceptorInfoMap"), ("read_only_space", 0x0327d): (99, "InterceptorInfoMap"),
("read_only_space", 0x053cd): (72, "PromiseFulfillReactionJobTaskMap"), ("read_only_space", 0x053d1): (72, "PromiseFulfillReactionJobTaskMap"),
("read_only_space", 0x053f5): (73, "PromiseRejectReactionJobTaskMap"), ("read_only_space", 0x053f9): (73, "PromiseRejectReactionJobTaskMap"),
("read_only_space", 0x0541d): (74, "CallableTaskMap"), ("read_only_space", 0x05421): (74, "CallableTaskMap"),
("read_only_space", 0x05445): (75, "CallbackTaskMap"), ("read_only_space", 0x05449): (75, "CallbackTaskMap"),
("read_only_space", 0x0546d): (76, "PromiseResolveThenableJobTaskMap"), ("read_only_space", 0x05471): (76, "PromiseResolveThenableJobTaskMap"),
("read_only_space", 0x05495): (79, "FunctionTemplateInfoMap"), ("read_only_space", 0x05499): (79, "FunctionTemplateInfoMap"),
("read_only_space", 0x054bd): (80, "ObjectTemplateInfoMap"), ("read_only_space", 0x054c1): (80, "ObjectTemplateInfoMap"),
("read_only_space", 0x054e5): (81, "AccessCheckInfoMap"), ("read_only_space", 0x054e9): (81, "AccessCheckInfoMap"),
("read_only_space", 0x0550d): (82, "AccessorInfoMap"), ("read_only_space", 0x05511): (82, "AccessorInfoMap"),
("read_only_space", 0x05535): (83, "AccessorPairMap"), ("read_only_space", 0x05539): (83, "AccessorPairMap"),
("read_only_space", 0x0555d): (84, "AliasedArgumentsEntryMap"), ("read_only_space", 0x05561): (84, "AliasedArgumentsEntryMap"),
("read_only_space", 0x05585): (85, "AllocationMementoMap"), ("read_only_space", 0x05589): (85, "AllocationMementoMap"),
("read_only_space", 0x055ad): (88, "AsmWasmDataMap"), ("read_only_space", 0x055b1): (88, "AsmWasmDataMap"),
("read_only_space", 0x055d5): (89, "AsyncGeneratorRequestMap"), ("read_only_space", 0x055d9): (89, "AsyncGeneratorRequestMap"),
("read_only_space", 0x055fd): (90, "BreakPointMap"), ("read_only_space", 0x05601): (90, "BreakPointMap"),
("read_only_space", 0x05625): (91, "BreakPointInfoMap"), ("read_only_space", 0x05629): (91, "BreakPointInfoMap"),
("read_only_space", 0x0564d): (92, "CachedTemplateObjectMap"), ("read_only_space", 0x05651): (92, "CachedTemplateObjectMap"),
("read_only_space", 0x05675): (94, "ClassPositionsMap"), ("read_only_space", 0x05679): (94, "ClassPositionsMap"),
("read_only_space", 0x0569d): (95, "DebugInfoMap"), ("read_only_space", 0x056a1): (95, "DebugInfoMap"),
("read_only_space", 0x056c5): (98, "FunctionTemplateRareDataMap"), ("read_only_space", 0x056c9): (98, "FunctionTemplateRareDataMap"),
("read_only_space", 0x056ed): (100, "InterpreterDataMap"), ("read_only_space", 0x056f1): (100, "InterpreterDataMap"),
("read_only_space", 0x05715): (101, "ModuleRequestMap"), ("read_only_space", 0x05719): (101, "ModuleRequestMap"),
("read_only_space", 0x0573d): (102, "PromiseCapabilityMap"), ("read_only_space", 0x05741): (102, "PromiseCapabilityMap"),
("read_only_space", 0x05765): (103, "PromiseReactionMap"), ("read_only_space", 0x05769): (103, "PromiseReactionMap"),
("read_only_space", 0x0578d): (104, "PropertyDescriptorObjectMap"), ("read_only_space", 0x05791): (104, "PropertyDescriptorObjectMap"),
("read_only_space", 0x057b5): (105, "PrototypeInfoMap"), ("read_only_space", 0x057b9): (105, "PrototypeInfoMap"),
("read_only_space", 0x057dd): (106, "ScriptMap"), ("read_only_space", 0x057e1): (106, "ScriptMap"),
("read_only_space", 0x05805): (107, "SourceTextModuleInfoEntryMap"), ("read_only_space", 0x05809): (107, "SourceTextModuleInfoEntryMap"),
("read_only_space", 0x0582d): (108, "StackFrameInfoMap"), ("read_only_space", 0x05831): (108, "StackFrameInfoMap"),
("read_only_space", 0x05855): (109, "StackTraceFrameMap"), ("read_only_space", 0x05859): (109, "StackTraceFrameMap"),
("read_only_space", 0x0587d): (110, "TemplateObjectDescriptionMap"), ("read_only_space", 0x05881): (110, "TemplateObjectDescriptionMap"),
("read_only_space", 0x058a5): (111, "Tuple2Map"), ("read_only_space", 0x058a9): (111, "Tuple2Map"),
("read_only_space", 0x058cd): (112, "WasmExceptionTagMap"), ("read_only_space", 0x058d1): (112, "WasmExceptionTagMap"),
("read_only_space", 0x058f5): (113, "WasmExportedFunctionDataMap"), ("read_only_space", 0x058f9): (113, "WasmExportedFunctionDataMap"),
("read_only_space", 0x0591d): (114, "WasmIndirectFunctionTableMap"), ("read_only_space", 0x05921): (114, "WasmIndirectFunctionTableMap"),
("read_only_space", 0x05945): (115, "WasmJSFunctionDataMap"), ("read_only_space", 0x05949): (115, "WasmJSFunctionDataMap"),
("read_only_space", 0x0596d): (134, "SloppyArgumentsElementsMap"), ("read_only_space", 0x05971): (134, "SloppyArgumentsElementsMap"),
("read_only_space", 0x05995): (151, "DescriptorArrayMap"), ("read_only_space", 0x05999): (151, "DescriptorArrayMap"),
("read_only_space", 0x059bd): (156, "UncompiledDataWithoutPreparseDataMap"), ("read_only_space", 0x059c1): (156, "UncompiledDataWithoutPreparseDataMap"),
("read_only_space", 0x059e5): (155, "UncompiledDataWithPreparseDataMap"), ("read_only_space", 0x059e9): (155, "UncompiledDataWithPreparseDataMap"),
("read_only_space", 0x05a0d): (171, "OnHeapBasicBlockProfilerDataMap"), ("read_only_space", 0x05a11): (171, "OnHeapBasicBlockProfilerDataMap"),
("read_only_space", 0x05a35): (180, "WasmCapiFunctionDataMap"), ("read_only_space", 0x05a39): (180, "WasmCapiFunctionDataMap"),
("read_only_space", 0x05a5d): (168, "InternalClassMap"), ("read_only_space", 0x05a61): (168, "InternalClassMap"),
("read_only_space", 0x05a85): (177, "SmiPairMap"), ("read_only_space", 0x05a89): (177, "SmiPairMap"),
("read_only_space", 0x05aad): (176, "SmiBoxMap"), ("read_only_space", 0x05ab1): (176, "SmiBoxMap"),
("read_only_space", 0x05ad5): (145, "ExportedSubClassBaseMap"), ("read_only_space", 0x05ad9): (145, "ExportedSubClassBaseMap"),
("read_only_space", 0x05afd): (146, "ExportedSubClassMap"), ("read_only_space", 0x05b01): (146, "ExportedSubClassMap"),
("read_only_space", 0x05b25): (68, "AbstractInternalClassSubclass1Map"), ("read_only_space", 0x05b29): (68, "AbstractInternalClassSubclass1Map"),
("read_only_space", 0x05b4d): (69, "AbstractInternalClassSubclass2Map"), ("read_only_space", 0x05b51): (69, "AbstractInternalClassSubclass2Map"),
("read_only_space", 0x05b75): (132, "InternalClassWithSmiElementsMap"), ("read_only_space", 0x05b79): (132, "InternalClassWithSmiElementsMap"),
("read_only_space", 0x05b9d): (169, "InternalClassWithStructElementsMap"), ("read_only_space", 0x05ba1): (169, "InternalClassWithStructElementsMap"),
("read_only_space", 0x05bc5): (147, "ExportedSubClass2Map"), ("read_only_space", 0x05bc9): (147, "ExportedSubClass2Map"),
("read_only_space", 0x05bed): (178, "SortStateMap"), ("read_only_space", 0x05bf1): (178, "SortStateMap"),
("read_only_space", 0x05c15): (86, "AllocationSiteWithWeakNextMap"), ("read_only_space", 0x05c19): (86, "AllocationSiteWithWeakNextMap"),
("read_only_space", 0x05c3d): (86, "AllocationSiteWithoutWeakNextMap"), ("read_only_space", 0x05c41): (86, "AllocationSiteWithoutWeakNextMap"),
("read_only_space", 0x05c65): (77, "LoadHandler1Map"), ("read_only_space", 0x05c69): (77, "LoadHandler1Map"),
("read_only_space", 0x05c8d): (77, "LoadHandler2Map"), ("read_only_space", 0x05c91): (77, "LoadHandler2Map"),
("read_only_space", 0x05cb5): (77, "LoadHandler3Map"), ("read_only_space", 0x05cb9): (77, "LoadHandler3Map"),
("read_only_space", 0x05cdd): (78, "StoreHandler0Map"), ("read_only_space", 0x05ce1): (78, "StoreHandler0Map"),
("read_only_space", 0x05d05): (78, "StoreHandler1Map"), ("read_only_space", 0x05d09): (78, "StoreHandler1Map"),
("read_only_space", 0x05d2d): (78, "StoreHandler2Map"), ("read_only_space", 0x05d31): (78, "StoreHandler2Map"),
("read_only_space", 0x05d55): (78, "StoreHandler3Map"), ("read_only_space", 0x05d59): (78, "StoreHandler3Map"),
("map_space", 0x02115): (1057, "ExternalMap"), ("map_space", 0x02119): (1057, "ExternalMap"),
("map_space", 0x0213d): (1098, "JSMessageObjectMap"), ("map_space", 0x02141): (1098, "JSMessageObjectMap"),
("map_space", 0x02165): (181, "WasmRttEqrefMap"), ("map_space", 0x02169): (181, "WasmRttEqrefMap"),
("map_space", 0x0218d): (181, "WasmRttAnyrefMap"), ("map_space", 0x02191): (181, "WasmRttAnyrefMap"),
("map_space", 0x021b5): (181, "WasmRttExternrefMap"), ("map_space", 0x021b9): (181, "WasmRttExternrefMap"),
("map_space", 0x021dd): (181, "WasmRttFuncrefMap"), ("map_space", 0x021e1): (181, "WasmRttFuncrefMap"),
("map_space", 0x02205): (181, "WasmRttI31refMap"), ("map_space", 0x02209): (181, "WasmRttI31refMap"),
} }
# List of known V8 objects. # List of known V8 objects.
KNOWN_OBJECTS = { KNOWN_OBJECTS = {
("read_only_space", 0x021b5): "EmptyWeakFixedArray", ("read_only_space", 0x021b9): "EmptyWeakFixedArray",
("read_only_space", 0x021bd): "EmptyDescriptorArray", ("read_only_space", 0x021c1): "EmptyDescriptorArray",
("read_only_space", 0x021f5): "EmptyEnumCache", ("read_only_space", 0x021f9): "EmptyEnumCache",
("read_only_space", 0x02229): "EmptyFixedArray", ("read_only_space", 0x0222d): "EmptyFixedArray",
("read_only_space", 0x02231): "NullValue", ("read_only_space", 0x02235): "NullValue",
("read_only_space", 0x02339): "UninitializedValue", ("read_only_space", 0x0233d): "UninitializedValue",
("read_only_space", 0x023b1): "UndefinedValue", ("read_only_space", 0x023b5): "UndefinedValue",
("read_only_space", 0x023f5): "NanValue", ("read_only_space", 0x023f9): "NanValue",
("read_only_space", 0x02429): "TheHoleValue", ("read_only_space", 0x0242d): "TheHoleValue",
("read_only_space", 0x02455): "HoleNanValue", ("read_only_space", 0x02459): "HoleNanValue",
("read_only_space", 0x02489): "TrueValue", ("read_only_space", 0x0248d): "TrueValue",
("read_only_space", 0x024c9): "FalseValue", ("read_only_space", 0x024cd): "FalseValue",
("read_only_space", 0x024f9): "empty_string", ("read_only_space", 0x024fd): "empty_string",
("read_only_space", 0x02735): "EmptyScopeInfo", ("read_only_space", 0x02739): "EmptyScopeInfo",
("read_only_space", 0x02771): "ArgumentsMarker", ("read_only_space", 0x02775): "ArgumentsMarker",
("read_only_space", 0x027d1): "Exception", ("read_only_space", 0x027d5): "Exception",
("read_only_space", 0x0282d): "TerminationException", ("read_only_space", 0x02831): "TerminationException",
("read_only_space", 0x02895): "OptimizedOut", ("read_only_space", 0x02899): "OptimizedOut",
("read_only_space", 0x028f5): "StaleRegister", ("read_only_space", 0x028f9): "StaleRegister",
("read_only_space", 0x03175): "EmptyPropertyArray", ("read_only_space", 0x03179): "EmptyPropertyArray",
("read_only_space", 0x0317d): "EmptyByteArray", ("read_only_space", 0x03181): "EmptyByteArray",
("read_only_space", 0x03185): "EmptyObjectBoilerplateDescription", ("read_only_space", 0x03189): "EmptyObjectBoilerplateDescription",
("read_only_space", 0x031b9): "EmptyArrayBoilerplateDescription", ("read_only_space", 0x031bd): "EmptyArrayBoilerplateDescription",
("read_only_space", 0x031c5): "EmptyClosureFeedbackCellArray", ("read_only_space", 0x031c9): "EmptyClosureFeedbackCellArray",
("read_only_space", 0x031cd): "EmptySlowElementDictionary", ("read_only_space", 0x031d1): "EmptySlowElementDictionary",
("read_only_space", 0x031f1): "EmptyOrderedHashMap", ("read_only_space", 0x031f5): "EmptyOrderedHashMap",
("read_only_space", 0x03205): "EmptyOrderedHashSet", ("read_only_space", 0x03209): "EmptyOrderedHashSet",
("read_only_space", 0x03219): "EmptyFeedbackMetadata", ("read_only_space", 0x0321d): "EmptyFeedbackMetadata",
("read_only_space", 0x03225): "EmptyPropertyCell", ("read_only_space", 0x03229): "EmptyPropertyCell",
("read_only_space", 0x03239): "EmptyPropertyDictionary", ("read_only_space", 0x0323d): "EmptyPropertyDictionary",
("read_only_space", 0x03261): "EmptyOrderedPropertyDictionary", ("read_only_space", 0x03265): "EmptyOrderedPropertyDictionary",
("read_only_space", 0x032a1): "NoOpInterceptorInfo", ("read_only_space", 0x032a5): "NoOpInterceptorInfo",
("read_only_space", 0x032c9): "EmptyWeakArrayList", ("read_only_space", 0x032cd): "EmptyWeakArrayList",
("read_only_space", 0x032d5): "InfinityValue", ("read_only_space", 0x032d9): "InfinityValue",
("read_only_space", 0x032e1): "MinusZeroValue", ("read_only_space", 0x032e5): "MinusZeroValue",
("read_only_space", 0x032ed): "MinusInfinityValue", ("read_only_space", 0x032f1): "MinusInfinityValue",
("read_only_space", 0x032f9): "SelfReferenceMarker", ("read_only_space", 0x032fd): "SelfReferenceMarker",
("read_only_space", 0x03339): "BasicBlockCountersMarker", ("read_only_space", 0x0333d): "BasicBlockCountersMarker",
("read_only_space", 0x0337d): "OffHeapTrampolineRelocationInfo", ("read_only_space", 0x03381): "OffHeapTrampolineRelocationInfo",
("read_only_space", 0x03389): "TrampolineTrivialCodeDataContainer", ("read_only_space", 0x0338d): "TrampolineTrivialCodeDataContainer",
("read_only_space", 0x03395): "TrampolinePromiseRejectionCodeDataContainer", ("read_only_space", 0x03399): "TrampolinePromiseRejectionCodeDataContainer",
("read_only_space", 0x033a1): "GlobalThisBindingScopeInfo", ("read_only_space", 0x033a5): "GlobalThisBindingScopeInfo",
("read_only_space", 0x033d9): "EmptyFunctionScopeInfo", ("read_only_space", 0x033dd): "EmptyFunctionScopeInfo",
("read_only_space", 0x03401): "NativeScopeInfo", ("read_only_space", 0x03405): "NativeScopeInfo",
("read_only_space", 0x0341d): "HashSeed", ("read_only_space", 0x03421): "HashSeed",
("old_space", 0x02115): "ArgumentsIteratorAccessor", ("old_space", 0x02119): "ArgumentsIteratorAccessor",
("old_space", 0x02159): "ArrayLengthAccessor", ("old_space", 0x0215d): "ArrayLengthAccessor",
("old_space", 0x0219d): "BoundFunctionLengthAccessor", ("old_space", 0x021a1): "BoundFunctionLengthAccessor",
("old_space", 0x021e1): "BoundFunctionNameAccessor", ("old_space", 0x021e5): "BoundFunctionNameAccessor",
("old_space", 0x02225): "ErrorStackAccessor", ("old_space", 0x02229): "ErrorStackAccessor",
("old_space", 0x02269): "FunctionArgumentsAccessor", ("old_space", 0x0226d): "FunctionArgumentsAccessor",
("old_space", 0x022ad): "FunctionCallerAccessor", ("old_space", 0x022b1): "FunctionCallerAccessor",
("old_space", 0x022f1): "FunctionNameAccessor", ("old_space", 0x022f5): "FunctionNameAccessor",
("old_space", 0x02335): "FunctionLengthAccessor", ("old_space", 0x02339): "FunctionLengthAccessor",
("old_space", 0x02379): "FunctionPrototypeAccessor", ("old_space", 0x0237d): "FunctionPrototypeAccessor",
("old_space", 0x023bd): "RegExpResultIndicesAccessor", ("old_space", 0x023c1): "RegExpResultIndicesAccessor",
("old_space", 0x02401): "StringLengthAccessor", ("old_space", 0x02405): "StringLengthAccessor",
("old_space", 0x02445): "InvalidPrototypeValidityCell", ("old_space", 0x02449): "InvalidPrototypeValidityCell",
("old_space", 0x02531): "EmptyScript", ("old_space", 0x02535): "EmptyScript",
("old_space", 0x02571): "ManyClosuresCell", ("old_space", 0x02575): "ManyClosuresCell",
("old_space", 0x0257d): "ArrayConstructorProtector", ("old_space", 0x02581): "ArrayConstructorProtector",
("old_space", 0x02591): "NoElementsProtector", ("old_space", 0x02595): "NoElementsProtector",
("old_space", 0x025a5): "IsConcatSpreadableProtector", ("old_space", 0x025a9): "IsConcatSpreadableProtector",
("old_space", 0x025b9): "ArraySpeciesProtector", ("old_space", 0x025bd): "ArraySpeciesProtector",
("old_space", 0x025cd): "TypedArraySpeciesProtector", ("old_space", 0x025d1): "TypedArraySpeciesProtector",
("old_space", 0x025e1): "PromiseSpeciesProtector", ("old_space", 0x025e5): "PromiseSpeciesProtector",
("old_space", 0x025f5): "RegExpSpeciesProtector", ("old_space", 0x025f9): "RegExpSpeciesProtector",
("old_space", 0x02609): "StringLengthProtector", ("old_space", 0x0260d): "StringLengthProtector",
("old_space", 0x0261d): "ArrayIteratorProtector", ("old_space", 0x02621): "ArrayIteratorProtector",
("old_space", 0x02631): "ArrayBufferDetachingProtector", ("old_space", 0x02635): "ArrayBufferDetachingProtector",
("old_space", 0x02645): "PromiseHookProtector", ("old_space", 0x02649): "PromiseHookProtector",
("old_space", 0x02659): "PromiseResolveProtector", ("old_space", 0x0265d): "PromiseResolveProtector",
("old_space", 0x0266d): "MapIteratorProtector", ("old_space", 0x02671): "MapIteratorProtector",
("old_space", 0x02681): "PromiseThenProtector", ("old_space", 0x02685): "PromiseThenProtector",
("old_space", 0x02695): "SetIteratorProtector", ("old_space", 0x02699): "SetIteratorProtector",
("old_space", 0x026a9): "StringIteratorProtector", ("old_space", 0x026ad): "StringIteratorProtector",
("old_space", 0x026bd): "SingleCharacterStringCache", ("old_space", 0x026c1): "SingleCharacterStringCache",
("old_space", 0x02ac5): "StringSplitCache", ("old_space", 0x02ac9): "StringSplitCache",
("old_space", 0x02ecd): "RegExpMultipleCache", ("old_space", 0x02ed1): "RegExpMultipleCache",
("old_space", 0x032d5): "BuiltinsConstantsTable", ("old_space", 0x032d9): "BuiltinsConstantsTable",
("old_space", 0x036c9): "AsyncFunctionAwaitRejectSharedFun", ("old_space", 0x036cd): "AsyncFunctionAwaitRejectSharedFun",
("old_space", 0x036ed): "AsyncFunctionAwaitResolveSharedFun", ("old_space", 0x036f1): "AsyncFunctionAwaitResolveSharedFun",
("old_space", 0x03711): "AsyncGeneratorAwaitRejectSharedFun", ("old_space", 0x03715): "AsyncGeneratorAwaitRejectSharedFun",
("old_space", 0x03735): "AsyncGeneratorAwaitResolveSharedFun", ("old_space", 0x03739): "AsyncGeneratorAwaitResolveSharedFun",
("old_space", 0x03759): "AsyncGeneratorYieldResolveSharedFun", ("old_space", 0x0375d): "AsyncGeneratorYieldResolveSharedFun",
("old_space", 0x0377d): "AsyncGeneratorReturnResolveSharedFun", ("old_space", 0x03781): "AsyncGeneratorReturnResolveSharedFun",
("old_space", 0x037a1): "AsyncGeneratorReturnClosedRejectSharedFun", ("old_space", 0x037a5): "AsyncGeneratorReturnClosedRejectSharedFun",
("old_space", 0x037c5): "AsyncGeneratorReturnClosedResolveSharedFun", ("old_space", 0x037c9): "AsyncGeneratorReturnClosedResolveSharedFun",
("old_space", 0x037e9): "AsyncIteratorValueUnwrapSharedFun", ("old_space", 0x037ed): "AsyncIteratorValueUnwrapSharedFun",
("old_space", 0x0380d): "PromiseAllResolveElementSharedFun", ("old_space", 0x03811): "PromiseAllResolveElementSharedFun",
("old_space", 0x03831): "PromiseAllSettledResolveElementSharedFun", ("old_space", 0x03835): "PromiseAllSettledResolveElementSharedFun",
("old_space", 0x03855): "PromiseAllSettledRejectElementSharedFun", ("old_space", 0x03859): "PromiseAllSettledRejectElementSharedFun",
("old_space", 0x03879): "PromiseAnyRejectElementSharedFun", ("old_space", 0x0387d): "PromiseAnyRejectElementSharedFun",
("old_space", 0x0389d): "PromiseCapabilityDefaultRejectSharedFun", ("old_space", 0x038a1): "PromiseCapabilityDefaultRejectSharedFun",
("old_space", 0x038c1): "PromiseCapabilityDefaultResolveSharedFun", ("old_space", 0x038c5): "PromiseCapabilityDefaultResolveSharedFun",
("old_space", 0x038e5): "PromiseCatchFinallySharedFun", ("old_space", 0x038e9): "PromiseCatchFinallySharedFun",
("old_space", 0x03909): "PromiseGetCapabilitiesExecutorSharedFun", ("old_space", 0x0390d): "PromiseGetCapabilitiesExecutorSharedFun",
("old_space", 0x0392d): "PromiseThenFinallySharedFun", ("old_space", 0x03931): "PromiseThenFinallySharedFun",
("old_space", 0x03951): "PromiseThrowerFinallySharedFun", ("old_space", 0x03955): "PromiseThrowerFinallySharedFun",
("old_space", 0x03975): "PromiseValueThunkFinallySharedFun", ("old_space", 0x03979): "PromiseValueThunkFinallySharedFun",
("old_space", 0x03999): "ProxyRevokeSharedFun", ("old_space", 0x0399d): "ProxyRevokeSharedFun",
} }
# Lower 32 bits of first page addresses for various heap spaces. # Lower 32 bits of first page addresses for various heap spaces.
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment