#include <mark-compact.h>

Collaboration diagram for v8::internal::MarkCompactCollector:

Classes
class	ClearTrivialWeakRefJobItem

class	CustomRootBodyMarkingVisitor

class	FilterNonTrivialWeakRefJobItem

struct	RecordRelocSlotInfo

class	SharedHeapObjectVisitor

Public Types
enum class	StartCompactionMode { kIncremental , kAtomic }

enum class	MarkingWorklistProcessingMode { kDefault , kProcessRememberedEphemerons }

enum class	CallOrigin { kIncrementalMarkingStep , kAtomicGC }

enum class	EphemeronResult { kUnresolved , kMarkedValue , kResolved }

Public Member Functions
template<MarkingWorklistProcessingMode mode = MarkingWorklistProcessingMode::kDefault>
std::pair< size_t, size_t >	ProcessMarkingWorklist (v8::base::TimeDelta max_duration, size_t max_bytes_to_process)

void	TearDown ()

void	CollectGarbage ()

void	CollectEvacuationCandidates (PagedSpace *space)

void	AddEvacuationCandidate (PageMetadata *p)

void	Prepare ()

void	FinishConcurrentMarking ()

bool	StartCompaction (StartCompactionMode mode)

void	StartMarking (std::shared_ptr<::heap::base::IncrementalMarkingSchedule > schedule={})

bool	is_compacting () const

V8_INLINE void	AddTransitionArray (Tagged< TransitionArray > array)

void	RecordStrongDescriptorArraysForWeakening (GlobalHandleVector< DescriptorArray > strong_descriptor_arrays)

void	VerifyMarking ()

unsigned	epoch () const

base::EnumSet< CodeFlushMode >	code_flush_mode () const

MarkingWorklists *	marking_worklists ()

MarkingWorklists::Local *	local_marking_worklists () const

WeakObjects *	weak_objects ()

WeakObjects::Local *	local_weak_objects ()

bool	UseBackgroundThreadsInCycle () const

void	MaybeEnableBackgroundThreadsInCycle (CallOrigin origin)

Heap *	heap ()

	MarkCompactCollector (Heap *heap)

	~MarkCompactCollector ()

template<typename THeapObjectSlot >
void	RecordSlot (Tagged< HeapObject > object, THeapObjectSlot slot, Tagged< HeapObject > target)

template<typename THeapObjectSlot >
void	RecordSlot (MemoryChunk *source_chunk, THeapObjectSlot slot, Tagged< HeapObject > target)

Static Public Member Functions
static bool	IsUnmarkedHeapObject (Heap *heap, FullObjectSlot p)

static bool	IsUnmarkedSharedHeapObject (Heap *heap, FullObjectSlot p)

static bool	IsOnEvacuationCandidate (Tagged< MaybeObject > obj)

static bool	ShouldRecordRelocSlot (Tagged< InstructionStream > host, RelocInfo *rinfo, Tagged< HeapObject > target)

static RecordRelocSlotInfo	ProcessRelocInfo (Tagged< InstructionStream > host, RelocInfo *rinfo, Tagged< HeapObject > target)

static void	RecordRelocSlot (Tagged< InstructionStream > host, RelocInfo *rinfo, Tagged< HeapObject > target)

template<typename THeapObjectSlot >
static V8_INLINE void	RecordSlot (Tagged< HeapObject > object, THeapObjectSlot slot, Tagged< HeapObject > target)

template<typename THeapObjectSlot >
static V8_INLINE void	RecordSlot (MemoryChunk *source_chunk, THeapObjectSlot slot, Tagged< HeapObject > target)

Private Types
using	ResizeNewSpaceMode = Heap::ResizeNewSpaceMode

Private Member Functions
void	ComputeEvacuationHeuristics (size_t area_size, int target_fragmentation_percent, size_t max_evacuated_bytes)

void	RecordObjectStats ()

void	Finish ()

void	SweepArrayBufferExtensions ()

void	MarkLiveObjects ()

V8_INLINE void	MarkObject (Tagged< HeapObject > host, Tagged< HeapObject > obj, MarkingHelper::WorklistTarget target_worklist)

V8_INLINE void	MarkRootObject (Root root, Tagged< HeapObject > obj, MarkingHelper::WorklistTarget target_worklist)

void	MarkRoots (RootVisitor *root_visitor)

void	MarkRootsFromConservativeStack (RootVisitor *root_visitor)

void	MarkObjectsFromClientHeaps ()

void	MarkObjectsFromClientHeap (Isolate *client)

void	PinPreciseRootsIfNeeded ()

void	UpdatePointersInClientHeaps ()

void	UpdatePointersInClientHeap (Isolate *client)

void	UpdatePointersInPointerTables ()

void	MarkTransitiveClosure ()

void	VerifyEphemeronMarking ()

void	ProcessTopOptimizedFrame (ObjectVisitor visitor, Isolate isolate)

EphemeronResult	ApplyEphemeronSemantics (Tagged< HeapObject > key, Tagged< HeapObject > value)

bool	ProcessEphemeron (Tagged< HeapObject > key, Tagged< HeapObject > value)

bool	MarkTransitiveClosureUntilFixpoint ()

void	MarkTransitiveClosureLinear ()

bool	ProcessEphemerons ()

void	PerformWrapperTracing ()

void	RetainMaps ()

void	ClearNonLiveReferences ()

void	MarkDependentCodeForDeoptimization ()

bool	SpecialClearMapSlot (Tagged< HeapObject > host, Tagged< Map > dead_target, HeapObjectSlot slot)

void	ClearPotentialSimpleMapTransition (Tagged< Map > dead_target)

void	ClearPotentialSimpleMapTransition (Tagged< Map > map, Tagged< Map > dead_target)

void	FlushBytecodeFromSFI (Tagged< SharedFunctionInfo > shared_info)

void	ProcessOldCodeCandidates ()

bool	ProcessOldBytecodeSFI (Tagged< SharedFunctionInfo > flushing_candidate)

bool	ProcessOldBaselineSFI (Tagged< SharedFunctionInfo > flushing_candidate)

void	FlushSFI (Tagged< SharedFunctionInfo > sfi, bool bytecode_already_decompiled)

void	ProcessFlushedBaselineCandidates ()

void	ClearFlushedJsFunctions ()

void	ClearFullMapTransitions ()

void	TrimDescriptorArray (Tagged< Map > map, Tagged< DescriptorArray > descriptors)

void	TrimEnumCache (Tagged< Map > map, Tagged< DescriptorArray > descriptors)

bool	CompactTransitionArray (Tagged< Map > map, Tagged< TransitionArray > transitions, Tagged< DescriptorArray > descriptors)

bool	TransitionArrayNeedsCompaction (Tagged< TransitionArray > transitions, int num_transitions)

void	WeakenStrongDescriptorArrays ()

void	ClearWeakCollections ()

void	ClearTrivialWeakReferences ()

void	ClearTrustedWeakReferences ()

template<typename TObjectAndSlot , typename TMaybeSlot >
void	ClearWeakReferences (WeakObjects::WeakObjectWorklist< TObjectAndSlot >::Local &worklist, Tagged< HeapObjectReference > cleared_weak_ref)

void	FilterNonTrivialWeakReferences ()

void	ClearNonTrivialWeakReferences ()

void	ClearJSWeakRefs ()

void	Sweep ()

void	StartSweepSpace (PagedSpace *space)

void	EvacuatePrologue ()

void	EvacuateEpilogue ()

void	Evacuate ()

void	EvacuatePagesInParallel ()

void	UpdatePointersAfterEvacuation ()

void	ReleaseEvacuationCandidates ()

size_t	PostProcessAbortedEvacuationCandidates ()

void	ReportAbortedEvacuationCandidateDueToOOM (Address failed_start, PageMetadata *page)

void	ReportAbortedEvacuationCandidateDueToFlags (PageMetadata page, MemoryChunk chunk)

int	NumberOfParallelEphemeronVisitingTasks (size_t elements)

void	RightTrimDescriptorArray (Tagged< DescriptorArray > array, int descriptors_to_trim)

void	StartSweepNewSpace ()

void	SweepLargeSpace (LargeObjectSpace *space)

void	ResetAndRelinkBlackAllocatedPage (PagedSpace , PageMetadata )

Private Attributes
Heap *const	heap_

base::Mutex	mutex_

base::Semaphore	page_parallel_job_semaphore_ {0}

const bool	uses_shared_heap_

const bool	is_shared_space_isolate_

bool	compacting_ = false

bool	black_allocation_ = false

bool	have_code_to_deoptimize_ = false

bool	parallel_marking_ = false

MarkingWorklists	marking_worklists_

std::unique_ptr< MarkingWorklists::Local >	local_marking_worklists_

WeakObjects	weak_objects_

std::unique_ptr< MainMarkingVisitor >	marking_visitor_

std::unique_ptr< WeakObjects::Local >	local_weak_objects_

NativeContextInferrer	native_context_inferrer_

NativeContextStats	native_context_stats_

std::vector< GlobalHandleVector< DescriptorArray > >	strong_descriptor_arrays_

base::Mutex	strong_descriptor_arrays_mutex_

std::vector< PageMetadata * >	evacuation_candidates_

std::vector< PageMetadata * >	old_space_evacuation_pages_

std::vector< PageMetadata * >	new_space_evacuation_pages_

std::vector< std::pair< Address, PageMetadata * > >	aborted_evacuation_candidates_due_to_oom_

std::vector< PageMetadata * >	aborted_evacuation_candidates_due_to_flags_

std::vector< LargePageMetadata * >	promoted_large_pages_

KeyToValues	key_to_values_

MarkingState *const	marking_state_

NonAtomicMarkingState *const	non_atomic_marking_state_

Sweeper *const	sweeper_

unsigned	epoch_ = 0

base::EnumSet< CodeFlushMode >	code_flush_mode_

std::vector< PageMetadata * >	empty_new_space_pages_to_be_swept_

bool	use_background_threads_in_cycle_ = false

Static Private Attributes
static const int	kEphemeronChunkSize = 8 * KB

Friends
class	Evacuator

class	RecordMigratedSlotVisitor

class	RootMarkingVisitor

class	PrecisePagePinningVisitor

Detailed Description

Definition at line 57 of file mark-compact.h.

Member Typedef Documentation

◆ ResizeNewSpaceMode

using v8::internal::MarkCompactCollector::ResizeNewSpaceMode = Heap::ResizeNewSpaceMode

private

Definition at line 195 of file mark-compact.h.

Member Enumeration Documentation

◆ CallOrigin

enum class v8::internal::MarkCompactCollector::CallOrigin

strong

Enumerator
kIncrementalMarkingStep
kAtomicGC

Definition at line 72 of file mark-compact.h.

◆ EphemeronResult

enum class v8::internal::MarkCompactCollector::EphemeronResult

strong

Enumerator
kUnresolved
kMarkedValue
kResolved

Definition at line 77 of file mark-compact.h.

◆ MarkingWorklistProcessingMode

enum class v8::internal::MarkCompactCollector::MarkingWorklistProcessingMode

strong

Enumerator
kDefault
kProcessRememberedEphemerons

Definition at line 67 of file mark-compact.h.

◆ StartCompactionMode

enum class v8::internal::MarkCompactCollector::StartCompactionMode

strong

Enumerator
kIncremental
kAtomic

Definition at line 62 of file mark-compact.h.

Constructor & Destructor Documentation

◆ MarkCompactCollector()

v8::internal::MarkCompactCollector::MarkCompactCollector ( Heap * heap )

explicit

Definition at line 282 of file mark-compact.cc.

◆ ~MarkCompactCollector()

v8::internal::MarkCompactCollector::~MarkCompactCollector ( )

default

Member Function Documentation

◆ AddEvacuationCandidate()

void v8::internal::MarkCompactCollector::AddEvacuationCandidate ( PageMetadata * p )

Definition at line 307 of file mark-compact.cc.

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◆ AddTransitionArray()

void v8::internal::MarkCompactCollector::AddTransitionArray ( Tagged< TransitionArray > array )

Definition at line 88 of file mark-compact-inl.h.

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◆ ApplyEphemeronSemantics()

MarkCompactCollector::EphemeronResult v8::internal::MarkCompactCollector::ApplyEphemeronSemantics	(	Tagged< HeapObject >	key,
		Tagged< HeapObject >	value )

private

Definition at line 2269 of file mark-compact.cc.

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◆ ClearFlushedJsFunctions()

void v8::internal::MarkCompactCollector::ClearFlushedJsFunctions ( )

private

Definition at line 3518 of file mark-compact.cc.

◆ ClearFullMapTransitions()

void v8::internal::MarkCompactCollector::ClearFullMapTransitions ( )

private

Definition at line 3563 of file mark-compact.cc.

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◆ ClearJSWeakRefs()

void v8::internal::MarkCompactCollector::ClearJSWeakRefs ( )

private

Definition at line 3921 of file mark-compact.cc.

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◆ ClearNonLiveReferences()

void v8::internal::MarkCompactCollector::ClearNonLiveReferences ( )

private

Definition at line 2905 of file mark-compact.cc.

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◆ ClearNonTrivialWeakReferences()

void v8::internal::MarkCompactCollector::ClearNonTrivialWeakReferences ( )

private

Definition at line 3898 of file mark-compact.cc.

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◆ ClearPotentialSimpleMapTransition() [1/2]

void v8::internal::MarkCompactCollector::ClearPotentialSimpleMapTransition ( Tagged< Map > dead_target )

private

Definition at line 3220 of file mark-compact.cc.

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◆ ClearPotentialSimpleMapTransition() [2/2]

void v8::internal::MarkCompactCollector::ClearPotentialSimpleMapTransition	(	Tagged< Map >	map,
		Tagged< Map >	dead_target )

private

Definition at line 3236 of file mark-compact.cc.

◆ ClearTrivialWeakReferences()

void v8::internal::MarkCompactCollector::ClearTrivialWeakReferences ( )

private

Definition at line 3858 of file mark-compact.cc.

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◆ ClearTrustedWeakReferences()

void v8::internal::MarkCompactCollector::ClearTrustedWeakReferences ( )

private

Definition at line 3864 of file mark-compact.cc.

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◆ ClearWeakCollections()

void v8::internal::MarkCompactCollector::ClearWeakCollections ( )

private

Definition at line 3792 of file mark-compact.cc.

◆ ClearWeakReferences()

template<typename TObjectAndSlot , typename TMaybeSlot >

void v8::internal::MarkCompactCollector::ClearWeakReferences	(	WeakObjects::WeakObjectWorklist< TObjectAndSlot >::Local &	worklist,
		Tagged< HeapObjectReference >	cleared_weak_ref )

private

Definition at line 3829 of file mark-compact.cc.

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◆ code_flush_mode()

base::EnumSet< CodeFlushMode > v8::internal::MarkCompactCollector::code_flush_mode ( ) const

inline

Definition at line 170 of file mark-compact.h.

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◆ CollectEvacuationCandidates()

void v8::internal::MarkCompactCollector::CollectEvacuationCandidates ( PagedSpace * space )

Definition at line 607 of file mark-compact.cc.

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◆ CollectGarbage()

void v8::internal::MarkCompactCollector::CollectGarbage ( )

Definition at line 486 of file mark-compact.cc.

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◆ CompactTransitionArray()

bool v8::internal::MarkCompactCollector::CompactTransitionArray	(	Tagged< Map >	map,
		Tagged< TransitionArray >	transitions,
		Tagged< DescriptorArray >	descriptors )

private

Definition at line 3634 of file mark-compact.cc.

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◆ ComputeEvacuationHeuristics()

void v8::internal::MarkCompactCollector::ComputeEvacuationHeuristics	(	size_t	area_size,
		int *	target_fragmentation_percent,
		size_t *	max_evacuated_bytes )

private

Definition at line 559 of file mark-compact.cc.

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◆ epoch()

unsigned v8::internal::MarkCompactCollector::epoch ( ) const

inline

Definition at line 168 of file mark-compact.h.

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◆ Evacuate()

void v8::internal::MarkCompactCollector::Evacuate ( )

private

Definition at line 5037 of file mark-compact.cc.

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◆ EvacuateEpilogue()

void v8::internal::MarkCompactCollector::EvacuateEpilogue ( )

private

Definition at line 4437 of file mark-compact.cc.

◆ EvacuatePagesInParallel()

void v8::internal::MarkCompactCollector::EvacuatePagesInParallel ( )

private

Definition at line 4916 of file mark-compact.cc.

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◆ EvacuatePrologue()

void v8::internal::MarkCompactCollector::EvacuatePrologue ( )

private

Definition at line 4412 of file mark-compact.cc.

◆ FilterNonTrivialWeakReferences()

void v8::internal::MarkCompactCollector::FilterNonTrivialWeakReferences ( )

private

Definition at line 3870 of file mark-compact.cc.

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◆ Finish()

void v8::internal::MarkCompactCollector::Finish ( )

private

Definition at line 843 of file mark-compact.cc.

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◆ FinishConcurrentMarking()

void v8::internal::MarkCompactCollector::FinishConcurrentMarking ( )

Definition at line 793 of file mark-compact.cc.

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◆ FlushBytecodeFromSFI()

void v8::internal::MarkCompactCollector::FlushBytecodeFromSFI ( Tagged< SharedFunctionInfo > shared_info )

private

Definition at line 3286 of file mark-compact.cc.

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◆ FlushSFI()

void v8::internal::MarkCompactCollector::FlushSFI	(	Tagged< SharedFunctionInfo >	sfi,
		bool	bytecode_already_decompiled )

private

Definition at line 3500 of file mark-compact.cc.

◆ heap()

Heap * v8::internal::MarkCompactCollector::heap ( )

inline

Definition at line 189 of file mark-compact.h.

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◆ is_compacting()

bool v8::internal::MarkCompactCollector::is_compacting ( ) const

inline

Definition at line 147 of file mark-compact.h.

◆ IsOnEvacuationCandidate()

static bool v8::internal::MarkCompactCollector::IsOnEvacuationCandidate ( Tagged< MaybeObject > obj )

inlinestatic

Definition at line 119 of file mark-compact.h.

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◆ IsUnmarkedHeapObject()

bool v8::internal::MarkCompactCollector::IsUnmarkedHeapObject	(	Heap *	heap,
		FullObjectSlot	p )

static

Definition at line 1817 of file mark-compact.cc.

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◆ IsUnmarkedSharedHeapObject()

bool v8::internal::MarkCompactCollector::IsUnmarkedSharedHeapObject	(	Heap *	heap,
		FullObjectSlot	p )

static

Definition at line 1826 of file mark-compact.cc.

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◆ local_marking_worklists()

MarkingWorklists::Local * v8::internal::MarkCompactCollector::local_marking_worklists ( ) const

inline

Definition at line 176 of file mark-compact.h.

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◆ local_weak_objects()

WeakObjects::Local * v8::internal::MarkCompactCollector::local_weak_objects ( )

inline

Definition at line 181 of file mark-compact.h.

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◆ MarkDependentCodeForDeoptimization()

void v8::internal::MarkCompactCollector::MarkDependentCodeForDeoptimization ( )

private

Definition at line 3200 of file mark-compact.cc.

◆ marking_worklists()

MarkingWorklists * v8::internal::MarkCompactCollector::marking_worklists ( )

inline

Definition at line 174 of file mark-compact.h.

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◆ MarkLiveObjects()

void v8::internal::MarkCompactCollector::MarkLiveObjects ( )

private

Definition at line 2460 of file mark-compact.cc.

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◆ MarkObject()

void v8::internal::MarkCompactCollector::MarkObject	(	Tagged< HeapObject >	host,
		Tagged< HeapObject >	obj,
		MarkingHelper::WorklistTarget	target_worklist )

private

Definition at line 26 of file mark-compact-inl.h.

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◆ MarkObjectsFromClientHeap()

void v8::internal::MarkCompactCollector::MarkObjectsFromClientHeap ( Isolate * client )

private

Definition at line 1901 of file mark-compact.cc.

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◆ MarkObjectsFromClientHeaps()

void v8::internal::MarkCompactCollector::MarkObjectsFromClientHeaps ( )

private

Definition at line 1891 of file mark-compact.cc.

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◆ MarkRootObject()

void v8::internal::MarkCompactCollector::MarkRootObject	(	Root	root,
		Tagged< HeapObject >	obj,
		MarkingHelper::WorklistTarget	target_worklist )

private

Definition at line 34 of file mark-compact-inl.h.

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◆ MarkRoots()

void v8::internal::MarkCompactCollector::MarkRoots ( RootVisitor * root_visitor )

private

Definition at line 1839 of file mark-compact.cc.

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◆ MarkRootsFromConservativeStack()

void v8::internal::MarkCompactCollector::MarkRootsFromConservativeStack ( RootVisitor * root_visitor )

private

Definition at line 1872 of file mark-compact.cc.

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◆ MarkTransitiveClosure()

void v8::internal::MarkCompactCollector::MarkTransitiveClosure ( )

private

Definition at line 2329 of file mark-compact.cc.

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◆ MarkTransitiveClosureLinear()

void v8::internal::MarkCompactCollector::MarkTransitiveClosureLinear ( )

private

Definition at line 2111 of file mark-compact.cc.

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◆ MarkTransitiveClosureUntilFixpoint()

bool v8::internal::MarkCompactCollector::MarkTransitiveClosureUntilFixpoint ( )

private

Definition at line 2040 of file mark-compact.cc.

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◆ MaybeEnableBackgroundThreadsInCycle()

void v8::internal::MarkCompactCollector::MaybeEnableBackgroundThreadsInCycle ( CallOrigin origin )

Definition at line 464 of file mark-compact.cc.

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◆ NumberOfParallelEphemeronVisitingTasks()

int v8::internal::MarkCompactCollector::NumberOfParallelEphemeronVisitingTasks ( size_t elements )

private

◆ PerformWrapperTracing()

void v8::internal::MarkCompactCollector::PerformWrapperTracing ( )

private

Definition at line 2168 of file mark-compact.cc.

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◆ PinPreciseRootsIfNeeded()

void v8::internal::MarkCompactCollector::PinPreciseRootsIfNeeded ( )

private

Definition at line 4892 of file mark-compact.cc.

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◆ PostProcessAbortedEvacuationCandidates()

size_t v8::internal::MarkCompactCollector::PostProcessAbortedEvacuationCandidates ( )

private

Definition at line 5907 of file mark-compact.cc.

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◆ Prepare()

void v8::internal::MarkCompactCollector::Prepare ( )

Definition at line 763 of file mark-compact.cc.

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◆ ProcessEphemeron()

bool v8::internal::MarkCompactCollector::ProcessEphemeron	(	Tagged< HeapObject >	key,
		Tagged< HeapObject >	value )

private

Definition at line 2256 of file mark-compact.cc.

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◆ ProcessEphemerons()

bool v8::internal::MarkCompactCollector::ProcessEphemerons ( )

private

Definition at line 2081 of file mark-compact.cc.

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◆ ProcessFlushedBaselineCandidates()

void v8::internal::MarkCompactCollector::ProcessFlushedBaselineCandidates ( )

private

Definition at line 3535 of file mark-compact.cc.

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◆ ProcessMarkingWorklist()

template<MarkCompactCollector::MarkingWorklistProcessingMode mode>

std::pair< size_t, size_t > v8::internal::MarkCompactCollector::ProcessMarkingWorklist	(	v8::base::TimeDelta	max_duration,
		size_t	max_bytes_to_process )

Definition at line 2183 of file mark-compact.cc.

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◆ ProcessOldBaselineSFI()

bool v8::internal::MarkCompactCollector::ProcessOldBaselineSFI ( Tagged< SharedFunctionInfo > flushing_candidate )

private

Definition at line 3445 of file mark-compact.cc.

◆ ProcessOldBytecodeSFI()

bool v8::internal::MarkCompactCollector::ProcessOldBytecodeSFI ( Tagged< SharedFunctionInfo > flushing_candidate )

private

Definition at line 3421 of file mark-compact.cc.

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◆ ProcessOldCodeCandidates()

void v8::internal::MarkCompactCollector::ProcessOldCodeCandidates ( )

private

Definition at line 3385 of file mark-compact.cc.

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◆ ProcessRelocInfo()

MarkCompactCollector::RecordRelocSlotInfo v8::internal::MarkCompactCollector::ProcessRelocInfo	(	Tagged< InstructionStream >	host,
		RelocInfo *	rinfo,
		Tagged< HeapObject >	target )

static

Definition at line 4003 of file mark-compact.cc.

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◆ ProcessTopOptimizedFrame()

void v8::internal::MarkCompactCollector::ProcessTopOptimizedFrame	(	ObjectVisitor *	visitor,
		Isolate *	isolate )

private

Definition at line 2342 of file mark-compact.cc.

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◆ RecordObjectStats()

void v8::internal::MarkCompactCollector::RecordObjectStats ( )

private

Definition at line 2363 of file mark-compact.cc.

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◆ RecordRelocSlot()

void v8::internal::MarkCompactCollector::RecordRelocSlot	(	Tagged< InstructionStream >	host,
		RelocInfo *	rinfo,
		Tagged< HeapObject >	target )

static

Definition at line 4048 of file mark-compact.cc.

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◆ RecordSlot() [1/4]

template<typename THeapObjectSlot >

void v8::internal::MarkCompactCollector::RecordSlot	(	MemoryChunk *	source_chunk,
		THeapObjectSlot	slot,
		Tagged< HeapObject >	target )

Definition at line 55 of file mark-compact-inl.h.

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◆ RecordSlot() [2/4]

template<typename THeapObjectSlot >

static V8_INLINE void v8::internal::MarkCompactCollector::RecordSlot	(	MemoryChunk *	source_chunk,
		THeapObjectSlot	slot,
		Tagged< HeapObject >	target )

static

◆ RecordSlot() [3/4]

template<typename THeapObjectSlot >

void v8::internal::MarkCompactCollector::RecordSlot	(	Tagged< HeapObject >	object,
		THeapObjectSlot	slot,
		Tagged< HeapObject >	target )

Definition at line 44 of file mark-compact-inl.h.

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◆ RecordSlot() [4/4]

template<typename THeapObjectSlot >

static V8_INLINE void v8::internal::MarkCompactCollector::RecordSlot	(	Tagged< HeapObject >	object,
		THeapObjectSlot	slot,
		Tagged< HeapObject >	target )

static

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◆ RecordStrongDescriptorArraysForWeakening()

void v8::internal::MarkCompactCollector::RecordStrongDescriptorArraysForWeakening ( GlobalHandleVector< DescriptorArray > strong_descriptor_arrays )

Definition at line 3730 of file mark-compact.cc.

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◆ ReleaseEvacuationCandidates()

void v8::internal::MarkCompactCollector::ReleaseEvacuationCandidates ( )

private

Definition at line 5943 of file mark-compact.cc.

◆ ReportAbortedEvacuationCandidateDueToFlags()

void v8::internal::MarkCompactCollector::ReportAbortedEvacuationCandidateDueToFlags	(	PageMetadata *	page,
		MemoryChunk *	chunk )

private

Definition at line 5860 of file mark-compact.cc.

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◆ ReportAbortedEvacuationCandidateDueToOOM()

void v8::internal::MarkCompactCollector::ReportAbortedEvacuationCandidateDueToOOM	(	Address	failed_start,
		PageMetadata *	page )

private

Definition at line 5853 of file mark-compact.cc.

◆ ResetAndRelinkBlackAllocatedPage()

void v8::internal::MarkCompactCollector::ResetAndRelinkBlackAllocatedPage	(	PagedSpace *	space,
		PageMetadata *	page )

private

Definition at line 5989 of file mark-compact.cc.

◆ RetainMaps()

void v8::internal::MarkCompactCollector::RetainMaps ( )

private

Definition at line 2411 of file mark-compact.cc.

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◆ RightTrimDescriptorArray()

void v8::internal::MarkCompactCollector::RightTrimDescriptorArray	(	Tagged< DescriptorArray >	array,
		int	descriptors_to_trim )

private

Definition at line 3694 of file mark-compact.cc.

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◆ ShouldRecordRelocSlot()

bool v8::internal::MarkCompactCollector::ShouldRecordRelocSlot	(	Tagged< InstructionStream >	host,
		RelocInfo *	rinfo,
		Tagged< HeapObject >	target )

static

Definition at line 3992 of file mark-compact.cc.

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◆ SpecialClearMapSlot()

bool v8::internal::MarkCompactCollector::SpecialClearMapSlot	(	Tagged< HeapObject >	host,
		Tagged< Map >	dead_target,
		HeapObjectSlot	slot )

private

Definition at line 3252 of file mark-compact.cc.

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◆ StartCompaction()

bool v8::internal::MarkCompactCollector::StartCompaction ( StartCompactionMode mode )

Definition at line 331 of file mark-compact.cc.

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◆ StartMarking()

void v8::internal::MarkCompactCollector::StartMarking ( std::shared_ptr<::heap::base::IncrementalMarkingSchedule > schedule = {} )

Definition at line 404 of file mark-compact.cc.

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◆ StartSweepNewSpace()

void v8::internal::MarkCompactCollector::StartSweepNewSpace ( )

private

Definition at line 5955 of file mark-compact.cc.

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◆ StartSweepSpace()

void v8::internal::MarkCompactCollector::StartSweepSpace ( PagedSpace * space )

private

Definition at line 6004 of file mark-compact.cc.

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◆ Sweep()

void v8::internal::MarkCompactCollector::Sweep ( )

private

Definition at line 6102 of file mark-compact.cc.

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◆ SweepArrayBufferExtensions()

void v8::internal::MarkCompactCollector::SweepArrayBufferExtensions ( )

private

Definition at line 925 of file mark-compact.cc.

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◆ SweepLargeSpace()

void v8::internal::MarkCompactCollector::SweepLargeSpace ( LargeObjectSpace * space )

private

Definition at line 6074 of file mark-compact.cc.

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◆ TearDown()

void v8::internal::MarkCompactCollector::TearDown ( )

Definition at line 296 of file mark-compact.cc.

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◆ TransitionArrayNeedsCompaction()

bool v8::internal::MarkCompactCollector::TransitionArrayNeedsCompaction	(	Tagged< TransitionArray >	transitions,
		int	num_transitions )

private

Definition at line 3601 of file mark-compact.cc.

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◆ TrimDescriptorArray()

void v8::internal::MarkCompactCollector::TrimDescriptorArray	(	Tagged< Map >	map,
		Tagged< DescriptorArray >	descriptors )

private

Definition at line 3752 of file mark-compact.cc.

◆ TrimEnumCache()

void v8::internal::MarkCompactCollector::TrimEnumCache	(	Tagged< Map >	map,
		Tagged< DescriptorArray >	descriptors )

private

Definition at line 3772 of file mark-compact.cc.

◆ UpdatePointersAfterEvacuation()

void v8::internal::MarkCompactCollector::UpdatePointersAfterEvacuation ( )

private

Definition at line 5596 of file mark-compact.cc.

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◆ UpdatePointersInClientHeap()

void v8::internal::MarkCompactCollector::UpdatePointersInClientHeap ( Isolate * client )

private

Definition at line 5705 of file mark-compact.cc.

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◆ UpdatePointersInClientHeaps()

void v8::internal::MarkCompactCollector::UpdatePointersInClientHeaps ( )

private

Definition at line 5697 of file mark-compact.cc.

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◆ UpdatePointersInPointerTables()

void v8::internal::MarkCompactCollector::UpdatePointersInPointerTables ( )

private

Definition at line 5763 of file mark-compact.cc.

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◆ UseBackgroundThreadsInCycle()

bool v8::internal::MarkCompactCollector::UseBackgroundThreadsInCycle ( ) const

inline

Definition at line 183 of file mark-compact.h.

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◆ VerifyEphemeronMarking()

void v8::internal::MarkCompactCollector::VerifyEphemeronMarking ( )

private

Definition at line 2303 of file mark-compact.cc.

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◆ VerifyMarking()

void v8::internal::MarkCompactCollector::VerifyMarking ( )

Definition at line 808 of file mark-compact.cc.

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◆ weak_objects()

WeakObjects * v8::internal::MarkCompactCollector::weak_objects ( )

inline

Definition at line 180 of file mark-compact.h.

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◆ WeakenStrongDescriptorArrays()

void v8::internal::MarkCompactCollector::WeakenStrongDescriptorArrays ( )

private

Definition at line 3737 of file mark-compact.cc.

Friends And Related Symbol Documentation

◆ Evacuator

friend class Evacuator

friend

Definition at line 469 of file mark-compact.h.

◆ PrecisePagePinningVisitor

friend class PrecisePagePinningVisitor

friend

Definition at line 472 of file mark-compact.h.

◆ RecordMigratedSlotVisitor

friend class RecordMigratedSlotVisitor

friend

Definition at line 470 of file mark-compact.h.

◆ RootMarkingVisitor

friend class RootMarkingVisitor

friend

Definition at line 471 of file mark-compact.h.

Member Data Documentation

◆ aborted_evacuation_candidates_due_to_flags_

std::vector<PageMetadata*> v8::internal::MarkCompactCollector::aborted_evacuation_candidates_due_to_flags_

private

Definition at line 442 of file mark-compact.h.

◆ aborted_evacuation_candidates_due_to_oom_

std::vector<std::pair<Address, PageMetadata*> > v8::internal::MarkCompactCollector::aborted_evacuation_candidates_due_to_oom_

private

Definition at line 441 of file mark-compact.h.

◆ black_allocation_

bool v8::internal::MarkCompactCollector::black_allocation_ = false

private

Definition at line 418 of file mark-compact.h.

◆ code_flush_mode_

base::EnumSet<CodeFlushMode> v8::internal::MarkCompactCollector::code_flush_mode_

private

Definition at line 463 of file mark-compact.h.

◆ compacting_

bool v8::internal::MarkCompactCollector::compacting_ = false

private

Definition at line 417 of file mark-compact.h.

◆ empty_new_space_pages_to_be_swept_

std::vector<PageMetadata*> v8::internal::MarkCompactCollector::empty_new_space_pages_to_be_swept_

private

Definition at line 465 of file mark-compact.h.

◆ epoch_

unsigned v8::internal::MarkCompactCollector::epoch_ = 0

private

Definition at line 457 of file mark-compact.h.

◆ evacuation_candidates_

std::vector<PageMetadata*> v8::internal::MarkCompactCollector::evacuation_candidates_

private

Definition at line 436 of file mark-compact.h.

◆ have_code_to_deoptimize_

bool v8::internal::MarkCompactCollector::have_code_to_deoptimize_ = false

private

Definition at line 419 of file mark-compact.h.

◆ heap_

Heap* const v8::internal::MarkCompactCollector::heap_

private

Definition at line 394 of file mark-compact.h.

◆ is_shared_space_isolate_

const bool v8::internal::MarkCompactCollector::is_shared_space_isolate_

private

Definition at line 413 of file mark-compact.h.

◆ kEphemeronChunkSize

const int v8::internal::MarkCompactCollector::kEphemeronChunkSize = 8 * KB

staticprivate

Definition at line 382 of file mark-compact.h.

◆ key_to_values_

KeyToValues v8::internal::MarkCompactCollector::key_to_values_

private

Definition at line 446 of file mark-compact.h.

◆ local_marking_worklists_

std::unique_ptr<MarkingWorklists::Local> v8::internal::MarkCompactCollector::local_marking_worklists_

private

Definition at line 423 of file mark-compact.h.

◆ local_weak_objects_

std::unique_ptr<WeakObjects::Local> v8::internal::MarkCompactCollector::local_weak_objects_

private

Definition at line 428 of file mark-compact.h.

◆ marking_state_

MarkingState* const v8::internal::MarkCompactCollector::marking_state_

private

Definition at line 448 of file mark-compact.h.

◆ marking_visitor_

std::unique_ptr<MainMarkingVisitor> v8::internal::MarkCompactCollector::marking_visitor_

private

Definition at line 427 of file mark-compact.h.

◆ marking_worklists_

MarkingWorklists v8::internal::MarkCompactCollector::marking_worklists_

private

Definition at line 422 of file mark-compact.h.

◆ mutex_

base::Mutex v8::internal::MarkCompactCollector::mutex_

private

Definition at line 396 of file mark-compact.h.

◆ native_context_inferrer_

NativeContextInferrer v8::internal::MarkCompactCollector::native_context_inferrer_

private

Definition at line 429 of file mark-compact.h.

◆ native_context_stats_

NativeContextStats v8::internal::MarkCompactCollector::native_context_stats_

private

Definition at line 430 of file mark-compact.h.

◆ new_space_evacuation_pages_

std::vector<PageMetadata*> v8::internal::MarkCompactCollector::new_space_evacuation_pages_

private

Definition at line 439 of file mark-compact.h.

◆ non_atomic_marking_state_

NonAtomicMarkingState* const v8::internal::MarkCompactCollector::non_atomic_marking_state_

private

Definition at line 449 of file mark-compact.h.

◆ old_space_evacuation_pages_

std::vector<PageMetadata*> v8::internal::MarkCompactCollector::old_space_evacuation_pages_

private

Definition at line 438 of file mark-compact.h.

◆ page_parallel_job_semaphore_

base::Semaphore v8::internal::MarkCompactCollector::page_parallel_job_semaphore_ {0}

private

Definition at line 397 of file mark-compact.h.

◆ parallel_marking_

bool v8::internal::MarkCompactCollector::parallel_marking_ = false

private

Definition at line 420 of file mark-compact.h.

◆ promoted_large_pages_

std::vector<LargePageMetadata*> v8::internal::MarkCompactCollector::promoted_large_pages_

private

Definition at line 443 of file mark-compact.h.

◆ strong_descriptor_arrays_

std::vector<GlobalHandleVector<DescriptorArray> > v8::internal::MarkCompactCollector::strong_descriptor_arrays_

private

Definition at line 432 of file mark-compact.h.

◆ strong_descriptor_arrays_mutex_

base::Mutex v8::internal::MarkCompactCollector::strong_descriptor_arrays_mutex_

private

Definition at line 433 of file mark-compact.h.

◆ sweeper_

Sweeper* const v8::internal::MarkCompactCollector::sweeper_

private

Definition at line 450 of file mark-compact.h.

◆ use_background_threads_in_cycle_

bool v8::internal::MarkCompactCollector::use_background_threads_in_cycle_ = false

private

Definition at line 467 of file mark-compact.h.

◆ uses_shared_heap_

const bool v8::internal::MarkCompactCollector::uses_shared_heap_

private

Definition at line 412 of file mark-compact.h.

◆ weak_objects_

WeakObjects v8::internal::MarkCompactCollector::weak_objects_

private

Definition at line 425 of file mark-compact.h.

The documentation for this class was generated from the following files:

Classes

Public Types

Public Member Functions

Static Public Member Functions

Private Types

Private Member Functions

Private Attributes

Static Private Attributes

Friends

Detailed Description

Member Typedef Documentation

◆ ResizeNewSpaceMode

Member Enumeration Documentation

◆ CallOrigin

◆ EphemeronResult

◆ MarkingWorklistProcessingMode

◆ StartCompactionMode

Constructor & Destructor Documentation

◆ MarkCompactCollector()

◆ ~MarkCompactCollector()

Member Function Documentation

◆ AddEvacuationCandidate()

◆ AddTransitionArray()

◆ ApplyEphemeronSemantics()

◆ ClearFlushedJsFunctions()

◆ ClearFullMapTransitions()

◆ ClearJSWeakRefs()

◆ ClearNonLiveReferences()

◆ ClearNonTrivialWeakReferences()

◆ ClearPotentialSimpleMapTransition() [1/2]

◆ ClearPotentialSimpleMapTransition() [2/2]

◆ ClearTrivialWeakReferences()

◆ ClearTrustedWeakReferences()

◆ ClearWeakCollections()

◆ ClearWeakReferences()

◆ code_flush_mode()

◆ CollectEvacuationCandidates()

◆ CollectGarbage()

◆ CompactTransitionArray()

◆ ComputeEvacuationHeuristics()

◆ epoch()

◆ Evacuate()

◆ EvacuateEpilogue()

◆ EvacuatePagesInParallel()

◆ EvacuatePrologue()

◆ FilterNonTrivialWeakReferences()

◆ Finish()

◆ FinishConcurrentMarking()

◆ FlushBytecodeFromSFI()

◆ FlushSFI()

◆ heap()

◆ is_compacting()

◆ IsOnEvacuationCandidate()

◆ IsUnmarkedHeapObject()

◆ IsUnmarkedSharedHeapObject()

◆ local_marking_worklists()

◆ local_weak_objects()

◆ MarkDependentCodeForDeoptimization()

◆ marking_worklists()

◆ MarkLiveObjects()

◆ MarkObject()

◆ MarkObjectsFromClientHeap()

◆ MarkObjectsFromClientHeaps()

◆ MarkRootObject()

◆ MarkRoots()

◆ MarkRootsFromConservativeStack()

◆ MarkTransitiveClosure()

◆ MarkTransitiveClosureLinear()

◆ MarkTransitiveClosureUntilFixpoint()

◆ MaybeEnableBackgroundThreadsInCycle()

◆ NumberOfParallelEphemeronVisitingTasks()

◆ PerformWrapperTracing()

◆ PinPreciseRootsIfNeeded()

◆ PostProcessAbortedEvacuationCandidates()

◆ Prepare()

◆ ProcessEphemeron()

◆ ProcessEphemerons()

◆ ProcessFlushedBaselineCandidates()

◆ ProcessMarkingWorklist()

◆ ProcessOldBaselineSFI()