#include <large-page-metadata.h>

Inheritance diagram for v8::internal::LargePageMetadata:

Collaboration diagram for v8::internal::LargePageMetadata:

Public Member Functions
	LargePageMetadata (Heap heap, BaseSpace space, size_t chunk_size, Address area_start, Address area_end, VirtualMemory reservation, Executability executable)

MemoryChunk::MainThreadFlags	InitialFlags (Executability executable) const

Tagged< HeapObject >	GetObject () const

LargePageMetadata *	next_page ()

const LargePageMetadata *	next_page () const

void	ClearOutOfLiveRangeSlots (Address free_start)

Public Member Functions inherited from v8::internal::MutablePageMetadata
	MutablePageMetadata (Heap heap, BaseSpace space, size_t size, Address area_start, Address area_end, VirtualMemory reservation, PageSize page_size)

MemoryChunk::MainThreadFlags	InitialFlags (Executability executable) const

size_t	BucketsInSlotSet () const

V8_INLINE void	SetOldGenerationPageFlags (MarkingMode marking_mode)

void	SetYoungGenerationPageFlags (MarkingMode marking_mode)

base::Mutex &	mutex ()

const base::Mutex &	mutex () const

base::Mutex &	object_mutex ()

const base::Mutex &	object_mutex () const

void	set_concurrent_sweeping_state (ConcurrentSweepingState state)

ConcurrentSweepingState	concurrent_sweeping_state ()

bool	SweepingDone () const

template<RememberedSetType type, AccessMode access_mode = AccessMode::ATOMIC>
SlotSet *	slot_set ()

template<RememberedSetType type, AccessMode access_mode = AccessMode::ATOMIC>
const SlotSet *	slot_set () const

template<RememberedSetType type, AccessMode access_mode = AccessMode::ATOMIC>
TypedSlotSet *	typed_slot_set ()

template<RememberedSetType type, AccessMode access_mode = AccessMode::ATOMIC>
const TypedSlotSet *	typed_slot_set () const

template<RememberedSetType type>
bool	ContainsSlots () const

bool	ContainsAnySlots () const

V8_EXPORT_PRIVATE SlotSet *	AllocateSlotSet (RememberedSetType type)

void	ReleaseSlotSet (RememberedSetType type)

TypedSlotSet *	AllocateTypedSlotSet (RememberedSetType type)

void	ReleaseTypedSlotSet (RememberedSetType type)

template<RememberedSetType type>
SlotSet *	ExtractSlotSet ()

template<RememberedSetType type>
TypedSlotSet *	ExtractTypedSlotSet ()

int	ComputeFreeListsLength ()

V8_EXPORT_PRIVATE size_t	CommittedPhysicalMemory () const

MarkingProgressTracker &	marking_progress_tracker ()

const MarkingProgressTracker &	marking_progress_tracker () const

void	IncrementExternalBackingStoreBytes (ExternalBackingStoreType type, size_t amount)

void	DecrementExternalBackingStoreBytes (ExternalBackingStoreType type, size_t amount)

size_t	ExternalBackingStoreBytes (ExternalBackingStoreType type) const

Space *	owner () const

AllocationSpace	owner_identity () const

heap::ListNode< MutablePageMetadata > &	list_node ()

const heap::ListNode< MutablePageMetadata > &	list_node () const

PossiblyEmptyBuckets *	possibly_empty_buckets ()

void	ReleaseAllocatedMemoryNeededForWritableChunk ()

void	IncreaseAllocatedLabSize (size_t bytes)

void	DecreaseAllocatedLabSize (size_t bytes)

size_t	AllocatedLabSize () const

void	IncrementAgeInNewSpace ()

void	ResetAgeInNewSpace ()

size_t	AgeInNewSpace () const

void	ResetAllocationStatistics ()

void	ResetAllocationStatisticsForPromotedPage ()

MarkingBitmap *	marking_bitmap ()

const MarkingBitmap *	marking_bitmap () const

size_t	live_bytes () const

void	SetLiveBytes (size_t value)

void	IncrementLiveBytesAtomically (intptr_t diff)

template<AccessMode mode = AccessMode::NON_ATOMIC>
void	ClearLiveness ()

bool	IsLivenessClear () const

bool	IsLargePage ()

Public Member Functions inherited from v8::internal::MemoryChunkMetadata
	MemoryChunkMetadata (Heap heap, BaseSpace space, size_t chunk_size, Address area_start, Address area_end, VirtualMemory reservation)

	~MemoryChunkMetadata ()

Address	ChunkAddress () const

Address	MetadataAddress () const

size_t	Offset (Address a) const

size_t	size () const

void	set_size (size_t size)

Address	area_start () const

Address	area_end () const

void	set_area_end (Address area_end)

size_t	area_size () const

Heap *	heap () const

BaseSpace *	owner () const

void	set_owner (BaseSpace *space)

bool	InSharedSpace () const

bool	InTrustedSpace () const

bool	IsWritable () const

bool	IsMutablePageMetadata () const

bool	Contains (Address addr) const

bool	ContainsLimit (Address addr) const

size_t	wasted_memory () const

void	add_wasted_memory (size_t waste)

size_t	allocated_bytes () const

Address	HighWaterMark () const

VirtualMemory *	reserved_memory ()

void	ResetAllocationStatistics ()

void	IncreaseAllocatedBytes (size_t bytes)

void	DecreaseAllocatedBytes (size_t bytes)

MemoryChunk *	Chunk ()

const MemoryChunk *	Chunk () const

Static Public Member Functions
static LargePageMetadata *	cast (MutablePageMetadata *metadata)

static LargePageMetadata *	cast (MemoryChunkMetadata *metadata)

static V8_INLINE LargePageMetadata *	FromHeapObject (Tagged< HeapObject > o)

Static Public Member Functions inherited from v8::internal::MutablePageMetadata
static PageAllocator::Permission	GetCodeModificationPermission ()

static void	MoveExternalBackingStoreBytes (ExternalBackingStoreType type, MutablePageMetadata from, MutablePageMetadata to, size_t amount)

static V8_INLINE MutablePageMetadata *	FromAddress (Address a)

static V8_INLINE MutablePageMetadata *	FromHeapObject (Tagged< HeapObject > o)

static MutablePageMetadata *	cast (MemoryChunkMetadata *metadata)

static const MutablePageMetadata *	cast (const MemoryChunkMetadata *metadata)

Static Public Member Functions inherited from v8::internal::MemoryChunkMetadata
static V8_INLINE MemoryChunkMetadata *	FromAddress (Address a)

static V8_INLINE MemoryChunkMetadata *	FromHeapObject (Tagged< HeapObject > o)

static V8_INLINE MemoryChunkMetadata *	FromHeapObject (const HeapObjectLayout *o)

static V8_INLINE void	UpdateHighWaterMark (Address mark)

Static Public Attributes
static constexpr int	kMaxCodePageSize = 512 * MB

Static Public Attributes inherited from v8::internal::MutablePageMetadata
static const int	kPageSize = kRegularPageSize

Friends
class	MemoryAllocator

Additional Inherited Members
Public Types inherited from v8::internal::MutablePageMetadata
enum class	ConcurrentSweepingState : intptr_t { kDone , kPendingSweeping , kPendingIteration , kInProgress }

Protected Member Functions inherited from v8::internal::MutablePageMetadata
void	ReleaseAllAllocatedMemory ()

template<RememberedSetType type, AccessMode access_mode = AccessMode::ATOMIC>
void	set_slot_set (SlotSet *slot_set)

template<RememberedSetType type, AccessMode access_mode = AccessMode::ATOMIC>
void	set_typed_slot_set (TypedSlotSet *typed_slot_set)

Protected Attributes inherited from v8::internal::MutablePageMetadata
SlotSet *	slot_set_ [NUMBER_OF_REMEMBERED_SET_TYPES] = {nullptr}

TypedSlotSet *	typed_slot_set_ [NUMBER_OF_REMEMBERED_SET_TYPES] = {nullptr}

MarkingProgressTracker	marking_progress_tracker_

std::atomic< intptr_t >	live_byte_count_ {0}

std::atomic< ConcurrentSweepingState >	concurrent_sweeping_

std::atomic< size_t >	external_backing_store_bytes_ [static_cast< int >(ExternalBackingStoreType::kNumValues)] = {0}

heap::ListNode< MutablePageMetadata >	list_node_

FreeListCategory **	categories_ = nullptr

PossiblyEmptyBuckets	possibly_empty_buckets_

std::unique_ptr< ActiveSystemPages >	active_system_pages_

size_t	allocated_lab_size_ = 0

size_t	age_in_new_space_ = 0

MarkingBitmap	marking_bitmap_

base::Mutex	mutex_

base::Mutex	object_mutex_

Protected Attributes inherited from v8::internal::MemoryChunkMetadata
VirtualMemory	reservation_

size_t	allocated_bytes_

size_t	wasted_memory_ = 0

std::atomic< intptr_t >	high_water_mark_

size_t	size_

Address	area_end_

Heap *	heap_

Address	area_start_

std::atomic< BaseSpace * >	owner_

Detailed Description

Definition at line 13 of file large-page-metadata.h.