#include <large-spaces.h>

Inheritance diagram for v8::internal::LargeObjectSpace:

Collaboration diagram for v8::internal::LargeObjectSpace:

Public Types
using	iterator = LargePageIterator

using	const_iterator = ConstLargePageIterator

Public Member Functions
	~LargeObjectSpace () override

void	TearDown ()

size_t	Available () const override

size_t	Size () const override

size_t	SizeOfObjects () const override

size_t	CommittedPhysicalMemory () const override

int	PageCount () const

void	ShrinkPageToObjectSize (LargePageMetadata *page, Tagged< HeapObject > object, size_t object_size)

bool	Contains (Tagged< HeapObject > obj) const

bool	ContainsSlow (Address addr) const

bool	IsEmpty () const

virtual void	AddPage (LargePageMetadata *page, size_t object_size)

virtual void	RemovePage (LargePageMetadata *page)

LargePageMetadata *	first_page () override

const LargePageMetadata *	first_page () const override

iterator	begin ()

iterator	end ()

const_iterator	begin () const

const_iterator	end () const

std::unique_ptr< ObjectIterator >	GetObjectIterator (Heap *heap) override

void	AddAllocationObserver (AllocationObserver *observer)

void	RemoveAllocationObserver (AllocationObserver *observer)

Address	pending_object () const

void	ResetPendingObject ()

base::Mutex *	pending_allocation_mutex ()

void	set_objects_size (size_t objects_size)

Public Member Functions inherited from v8::internal::Space
	Space (Heap *heap, AllocationSpace id, std::unique_ptr< FreeList > free_list)

	~Space () override=default

	Space (const Space &)=delete

Space &	operator= (const Space &)=delete

void	IncrementExternalBackingStoreBytes (ExternalBackingStoreType type, size_t amount)

void	DecrementExternalBackingStoreBytes (ExternalBackingStoreType type, size_t amount)

virtual size_t	ExternalBackingStoreBytes (ExternalBackingStoreType type) const

virtual MutablePageMetadata *	last_page ()

virtual const MutablePageMetadata *	last_page () const

virtual heap::List< MutablePageMetadata > &	memory_chunk_list ()

virtual PageMetadata *	InitializePage (MutablePageMetadata *chunk)

virtual void	NotifyBlackAreaCreated (size_t size)

virtual void	NotifyBlackAreaDestroyed (size_t size)

FreeList *	free_list ()

Address	FirstPageAddress () const

Public Member Functions inherited from v8::internal::BaseSpace
	BaseSpace (const BaseSpace &)=delete

BaseSpace &	operator= (const BaseSpace &)=delete

Heap *	heap () const

AllocationSpace	identity () const

virtual size_t	CommittedMemory () const

virtual size_t	MaximumCommittedMemory () const

Protected Member Functions
	LargeObjectSpace (Heap *heap, AllocationSpace id)

void	AdvanceAndInvokeAllocationObservers (Address soon_object, size_t size)

LargePageMetadata *	AllocateLargePage (int object_size, Executability executable)

void	UpdatePendingObject (Tagged< HeapObject > object)

Protected Member Functions inherited from v8::internal::BaseSpace
	BaseSpace (Heap *heap, AllocationSpace id)

virtual	~BaseSpace ()=default

void	AccountCommitted (size_t bytes)

void	AccountUncommitted (size_t bytes)

Protected Attributes
std::atomic< size_t >	size_

int	page_count_

std::atomic< size_t >	objects_size_

base::RecursiveMutex	allocation_mutex_

std::atomic< Address >	pending_object_

base::Mutex	pending_allocation_mutex_

AllocationCounter	allocation_counter_

Protected Attributes inherited from v8::internal::Space
heap::List< MutablePageMetadata >	memory_chunk_list_

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

std::unique_ptr< FreeList >	free_list_

Protected Attributes inherited from v8::internal::BaseSpace
Heap *	heap_

AllocationSpace	id_

std::atomic< size_t >	committed_ {0}

size_t	max_committed_ = 0

Friends
class	LargeObjectSpaceObjectIterator

Additional Inherited Members
Static Public Member Functions inherited from v8::internal::Space
static void	MoveExternalBackingStoreBytes (ExternalBackingStoreType type, Space from, Space to, size_t amount)

Static Public Member Functions inherited from v8::internal::Malloced
static void *	operator new (size_t size)

static void	operator delete (void *p)

Detailed Description

Definition at line 33 of file large-spaces.h.

Member Typedef Documentation

◆ const_iterator

using v8::internal::LargeObjectSpace::const_iterator = ConstLargePageIterator

Definition at line 36 of file large-spaces.h.

◆ iterator

using v8::internal::LargeObjectSpace::iterator = LargePageIterator

Definition at line 35 of file large-spaces.h.

Constructor & Destructor Documentation

◆ ~LargeObjectSpace()

v8::internal::LargeObjectSpace::~LargeObjectSpace ( )

inlineoverride

Definition at line 38 of file large-spaces.h.

◆ LargeObjectSpace()

v8::internal::LargeObjectSpace::LargeObjectSpace	(	Heap *	heap,
		AllocationSpace	id )

protected

Definition at line 53 of file large-spaces.cc.

Member Function Documentation

◆ AddAllocationObserver()

void v8::internal::LargeObjectSpace::AddAllocationObserver ( AllocationObserver * observer )

Definition at line 94 of file large-spaces.cc.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ AddPage()

void v8::internal::LargeObjectSpace::AddPage	(	LargePageMetadata *	page,
		size_t	object_size )

virtual

Reimplemented in v8::internal::CodeLargeObjectSpace.

Definition at line 193 of file large-spaces.cc.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ AdvanceAndInvokeAllocationObservers()

void v8::internal::LargeObjectSpace::AdvanceAndInvokeAllocationObservers	(	Address	soon_object,
		size_t	size )

protected

Definition at line 78 of file large-spaces.cc.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ AllocateLargePage()

LargePageMetadata * v8::internal::LargeObjectSpace::AllocateLargePage	(	int	object_size,
		Executability	executable )

protected

Definition at line 150 of file large-spaces.cc.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ Available()

size_t v8::internal::LargeObjectSpace::Available ( ) const

overridevirtual

Implements v8::internal::Space.

Reimplemented in v8::internal::NewLargeObjectSpace.

Definition at line 60 of file large-spaces.cc.

Here is the caller graph for this function:

◆ begin() [1/2]

iterator v8::internal::LargeObjectSpace::begin ( )

inline

Definition at line 77 of file large-spaces.h.

Here is the caller graph for this function:

◆ begin() [2/2]

const_iterator v8::internal::LargeObjectSpace::begin ( ) const

inline

Definition at line 80 of file large-spaces.h.

◆ CommittedPhysicalMemory()

size_t v8::internal::LargeObjectSpace::CommittedPhysicalMemory ( ) const

overridevirtual

Implements v8::internal::BaseSpace.

Definition at line 172 of file large-spaces.cc.

Here is the call graph for this function:

◆ Contains()

bool v8::internal::LargeObjectSpace::Contains ( Tagged< HeapObject > obj ) const

Definition at line 258 of file large-spaces.cc.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ ContainsSlow()

bool v8::internal::LargeObjectSpace::ContainsSlow ( Address addr ) const

Definition at line 268 of file large-spaces.cc.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ end() [1/2]

iterator v8::internal::LargeObjectSpace::end ( )

inline

Definition at line 78 of file large-spaces.h.

Here is the caller graph for this function:

◆ end() [2/2]

const_iterator v8::internal::LargeObjectSpace::end ( ) const

inline

Definition at line 81 of file large-spaces.h.

◆ first_page() [1/2]

const LargePageMetadata * v8::internal::LargeObjectSpace::first_page ( ) const

inlineoverridevirtual

Reimplemented from v8::internal::Space.

Definition at line 72 of file large-spaces.h.

◆ first_page() [2/2]

LargePageMetadata * v8::internal::LargeObjectSpace::first_page ( )

inlineoverridevirtual

Reimplemented from v8::internal::Space.

Definition at line 69 of file large-spaces.h.

Here is the caller graph for this function:

◆ GetObjectIterator()

std::unique_ptr< ObjectIterator > v8::internal::LargeObjectSpace::GetObjectIterator ( Heap * heap )

overridevirtual

Implements v8::internal::Space.

Definition at line 276 of file large-spaces.cc.

Here is the caller graph for this function:

◆ IsEmpty()

bool v8::internal::LargeObjectSpace::IsEmpty ( ) const

inline

Definition at line 64 of file large-spaces.h.

◆ PageCount()

int v8::internal::LargeObjectSpace::PageCount ( ) const

inline

Definition at line 52 of file large-spaces.h.

◆ pending_allocation_mutex()

base::Mutex * v8::internal::LargeObjectSpace::pending_allocation_mutex ( )

inline

Definition at line 106 of file large-spaces.h.

Here is the caller graph for this function:

◆ pending_object()

Address v8::internal::LargeObjectSpace::pending_object ( ) const

inline

Definition at line 98 of file large-spaces.h.

Here is the caller graph for this function:

◆ RemoveAllocationObserver()

void v8::internal::LargeObjectSpace::RemoveAllocationObserver ( AllocationObserver * observer )

Definition at line 98 of file large-spaces.cc.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ RemovePage()

void v8::internal::LargeObjectSpace::RemovePage ( LargePageMetadata * page )

virtual

Reimplemented in v8::internal::CodeLargeObjectSpace.

Definition at line 207 of file large-spaces.cc.

Here is the call graph for this function:

Here is the caller graph for this function:

◆ ResetPendingObject()

void v8::internal::LargeObjectSpace::ResetPendingObject ( )

inline

Definition at line 102 of file large-spaces.h.

Here is the caller graph for this function:

◆ set_objects_size()

void v8::internal::LargeObjectSpace::set_objects_size ( size_t objects_size )

inline

Definition at line 108 of file large-spaces.h.

Here is the caller graph for this function:

◆ ShrinkPageToObjectSize()

void v8::internal::LargeObjectSpace::ShrinkPageToObjectSize	(	LargePageMetadata *	page,
		Tagged< HeapObject >	object,
		size_t	object_size )

Definition at line 220 of file large-spaces.cc.

Here is the call graph for this function:

◆ Size()

size_t v8::internal::LargeObjectSpace::Size ( ) const

inlineoverridevirtual

Implements v8::internal::BaseSpace.

Definition at line 46 of file large-spaces.h.

Here is the caller graph for this function:

◆ SizeOfObjects()

size_t v8::internal::LargeObjectSpace::SizeOfObjects ( ) const

inlineoverridevirtual

Reimplemented from v8::internal::Space.

Definition at line 47 of file large-spaces.h.

Here is the caller graph for this function:

◆ TearDown()

void v8::internal::LargeObjectSpace::TearDown ( )

Definition at line 66 of file large-spaces.cc.

Here is the call graph for this function:

◆ UpdatePendingObject()

void v8::internal::LargeObjectSpace::UpdatePendingObject ( Tagged< HeapObject > object )

protected

Definition at line 343 of file large-spaces.cc.

Here is the caller graph for this function:

Friends And Related Symbol Documentation

◆ LargeObjectSpaceObjectIterator

friend class LargeObjectSpaceObjectIterator

friend

Definition at line 139 of file large-spaces.h.

Member Data Documentation

◆ allocation_counter_

AllocationCounter v8::internal::LargeObjectSpace::allocation_counter_

protected

Definition at line 136 of file large-spaces.h.

◆ allocation_mutex_

base::RecursiveMutex v8::internal::LargeObjectSpace::allocation_mutex_

protected

Definition at line 127 of file large-spaces.h.

◆ objects_size_

std::atomic<size_t> v8::internal::LargeObjectSpace::objects_size_

protected

Definition at line 122 of file large-spaces.h.

◆ page_count_

int v8::internal::LargeObjectSpace::page_count_

protected

Definition at line 121 of file large-spaces.h.

◆ pending_allocation_mutex_

base::Mutex v8::internal::LargeObjectSpace::pending_allocation_mutex_

protected

Definition at line 134 of file large-spaces.h.

◆ pending_object_

std::atomic<Address> v8::internal::LargeObjectSpace::pending_object_

protected

Definition at line 131 of file large-spaces.h.

◆ size_

std::atomic<size_t> v8::internal::LargeObjectSpace::size_

protected

Definition at line 120 of file large-spaces.h.

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

src/heap/large-spaces.h
src/heap/large-spaces.cc

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Member Typedef Documentation

◆ const_iterator

◆ iterator

Constructor & Destructor Documentation

◆ ~LargeObjectSpace()

◆ LargeObjectSpace()

Member Function Documentation

◆ AddAllocationObserver()

◆ AddPage()

◆ AdvanceAndInvokeAllocationObservers()

◆ AllocateLargePage()

◆ Available()

◆ begin() [1/2]

◆ begin() [2/2]

◆ CommittedPhysicalMemory()

◆ Contains()

◆ ContainsSlow()

◆ end() [1/2]

◆ end() [2/2]

◆ first_page() [1/2]

◆ first_page() [2/2]

◆ GetObjectIterator()

◆ IsEmpty()

◆ PageCount()

◆ pending_allocation_mutex()

◆ pending_object()

◆ RemoveAllocationObserver()

◆ RemovePage()

◆ ResetPendingObject()

◆ set_objects_size()

◆ ShrinkPageToObjectSize()

◆ Size()

◆ SizeOfObjects()

◆ TearDown()

◆ UpdatePendingObject()

Friends And Related Symbol Documentation

◆ LargeObjectSpaceObjectIterator

Member Data Documentation

◆ allocation_counter_

◆ allocation_mutex_

◆ objects_size_

◆ page_count_

◆ pending_allocation_mutex_

◆ pending_object_

◆ size_