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common.gypi
deps/v8/src/heap
- memory-chunk-layout.h
- memory-chunk.cc

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`‎common.gypi‎`

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+1-1Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -36,7 +36,7 @@`
`36`	`36`
`37`	`37`	`# Reset this number to 0 on major V8 upgrades.`
`38`	`38`	`# Increment by one for each non-official patch applied to deps/v8.`
`39`		`- 'v8_embedder_string': '-node.4',`
	`39`	`+ 'v8_embedder_string': '-node.5',`
`40`	`40`
`41`	`41`	`##### V8 defaults for Node.js #####`
`42`	`42`

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`‎deps/v8/src/heap/memory-chunk-layout.h‎`

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+14-3Lines changed: 14 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -37,8 +37,13 @@ using ActiveSystemPages = ::heap::base::ActiveSystemPages;`
`37`	`37`
`38`	`38`	`class V8_EXPORT_PRIVATE MemoryChunkLayout {`
`39`	`39`	`public:`
`40`		`- static const int kNumSets = NUMBER_OF_REMEMBERED_SET_TYPES;`
`41`		`- static const int kNumTypes = ExternalBackingStoreType::kNumTypes;`
	`40`	`+ static constexpr int kNumSets = NUMBER_OF_REMEMBERED_SET_TYPES;`
	`41`	`+ static constexpr int kNumTypes = ExternalBackingStoreType::kNumTypes;`
	`42`	`+#if V8_CC_MSVC && V8_TARGET_ARCH_IA32`
	`43`	`+ static constexpr int kMemoryChunkAlignment = 8;`
	`44`	`+#else`
	`45`	`+ static constexpr int kMemoryChunkAlignment = sizeof(size_t);`
	`46`	`+#endif // V8_CC_MSVC && V8_TARGET_ARCH_IA32`
`42`	`47`	`#define FIELD(Type, Name) \`
`43`	`48`	`k##Name##Offset, k##Name##End = k##Name##Offset + sizeof(Type) - 1`
`44`	`49`	`enum Header {`
`@@ -74,11 +79,17 @@ class V8_EXPORT_PRIVATE MemoryChunkLayout {`
`74`	`79`	`#endif // V8_ENABLE_INNER_POINTER_RESOLUTION_OSB`
`75`	`80`	`FIELD(size_t, WasUsedForAllocation),`
`76`	`81`	`kMarkingBitmapOffset,`
`77`		`- kMemoryChunkHeaderSize = kMarkingBitmapOffset,`
	`82`	`+ kMemoryChunkHeaderSize =`
	`83`	`+ kMarkingBitmapOffset +`
	`84`	`+ ((kMarkingBitmapOffset % kMemoryChunkAlignment) == 0`
	`85`	`+ ? 0`
	`86`	`+ : kMemoryChunkAlignment -`
	`87`	`+ (kMarkingBitmapOffset % kMemoryChunkAlignment)),`
`78`	`88`	`kMemoryChunkHeaderStart = kSlotSetOffset,`
`79`	`89`	`kBasicMemoryChunkHeaderSize = kMemoryChunkHeaderStart,`
`80`	`90`	`kBasicMemoryChunkHeaderStart = 0,`
`81`	`91`	`};`
	`92`	`+#undef FIELD`
`82`	`93`	`static size_t CodePageGuardStartOffset();`
`83`	`94`	`static size_t CodePageGuardSize();`
`84`	`95`	`static intptr_t ObjectStartOffsetInCodePage();`

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`‎deps/v8/src/heap/memory-chunk.cc‎`

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+11Lines changed: 11 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -496,6 +496,17 @@ void MemoryChunk::ValidateOffsets(MemoryChunk* chunk) {`
`496`	`496`	`DCHECK_EQ(reinterpret_cast<Address>(&chunk->possibly_empty_buckets_) -`
`497`	`497`	`chunk->address(),`
`498`	`498`	`MemoryChunkLayout::kPossiblyEmptyBucketsOffset);`
	`499`	`+ DCHECK_EQ(reinterpret_cast<Address>(&chunk->active_system_pages_) -`
	`500`	`+ chunk->address(),`
	`501`	`+ MemoryChunkLayout::kActiveSystemPagesOffset);`
	`502`	`+#ifdef V8_ENABLE_INNER_POINTER_RESOLUTION_OSB`
	`503`	`+ DCHECK_EQ(reinterpret_cast<Address>(&chunk->object_start_bitmap_) -`
	`504`	`+ chunk->address(),`
	`505`	`+ MemoryChunkLayout::kObjectStartBitmapOffset);`
	`506`	`+#endif // V8_ENABLE_INNER_POINTER_RESOLUTION_OSB`
	`507`	`+ DCHECK_EQ(reinterpret_cast<Address>(&chunk->was_used_for_allocation_) -`
	`508`	`+ chunk->address(),`
	`509`	`+ MemoryChunkLayout::kWasUsedForAllocationOffset);`
`499`	`510`	`}`
`500`	`511`	`#endif`
`501`	`512`

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