LargeObjectSpace Class Reference

#include <spaces.h>

Inheritance diagram for LargeObjectSpace:

Collaboration diagram for LargeObjectSpace:

Public Member Functions
	LargeObjectSpace (Heap *heap, intptr_t max_capacity, AllocationSpace id)
virtual	~LargeObjectSpace ()
bool	SetUp ()
void	TearDown ()
MUST_USE_RESULT MaybeObject *	AllocateRaw (int object_size, Executability executable)
intptr_t	Available ()
virtual intptr_t	Size ()
virtual intptr_t	SizeOfObjects ()
intptr_t	CommittedMemory ()
int	PageCount ()
MaybeObject *	FindObject (Address a)
LargePage *	FindPage (Address a)
void	FreeUnmarkedObjects ()
bool	Contains (HeapObject *obj)
bool	IsEmpty ()
virtual bool	ReserveSpace (int bytes)
LargePage *	first_page ()
bool	SlowContains (Address addr)
Public Member Functions inherited from Space
	Space (Heap *heap, AllocationSpace id, Executability executable)
virtual	~Space ()
Heap *	heap () const
Executability	executable ()
AllocationSpace	identity ()
virtual int	RoundSizeDownToObjectAlignment (int size)
Public Member Functions inherited from Malloced
void *	operator new (size_t size)
void	operator delete (void *p)

Static Public Member Functions
static intptr_t	ObjectSizeFor (intptr_t chunk_size)
Static Public Member Functions inherited from Malloced
static void	FatalProcessOutOfMemory ()
static void *	New (size_t size)
static void	Delete (void *p)

Friends
class	LargeObjectIterator

Detailed Description

Definition at line 2491 of file spaces.h.

Constructor & Destructor Documentation

LargeObjectSpace	(	Heap *	heap,
		intptr_t	max_capacity,
		AllocationSpace	id
	)

Definition at line 2613 of file spaces.cc.

virtual ~LargeObjectSpace ( )

inlinevirtual

Definition at line 2494 of file spaces.h.

Member Function Documentation

MaybeObject * AllocateRaw	(	int	object_size,
		Executability	executable
	)

Definition at line 2650 of file spaces.cc.

References MemoryChunk::area_size(), ASSERT, Smi::FromInt(), LargePage::GetObject(), Space::heap(), Space::identity(), Heap::incremental_marking(), Heap::isolate(), MemoryChunk::kAlignment, TemplateHashMapImpl< AllocationPolicy >::Lookup(), Isolate::memory_allocator(), v8::internal::NULL, IncrementalMarking::OldSpaceStep(), Failure::RetryAfterGC(), LargePage::set_next_page(), Heap::ShouldZapGarbage(), MemoryChunk::size(), and LargeObjectSpace::Size().

Referenced by Heap::AllocateAsciiSymbol(), Heap::AllocateByteArray(), Heap::AllocateInternalSymbol(), Heap::AllocateRaw(), Heap::AllocateRawFixedArray(), Heap::AllocateTwoByteSymbol(), Heap::CopyCode(), Heap::CreateCode(), TEST(), and MarkCompactCollector::TryPromoteObject().

intptr_t Available ( )

inline

Definition at line 336 of file spaces-inl.h.

References Space::heap(), and LargeObjectSpace::ObjectSizeFor().

Referenced by StatisticsExtension::GetCounters(), Heap::PrintShortHeapStatistics(), and TEST().

intptr_t CommittedMemory ( )

inline

Definition at line 2523 of file spaces.h.

References LargeObjectSpace::Size().

Referenced by StatisticsExtension::GetCounters(), and Heap::PrintShortHeapStatistics().

bool Contains

(

HeapObject *

obj

)

Definition at line 2781 of file spaces.cc.

References LargeObjectSpace::FindObject(), MemoryChunk::FromAddress(), MemoryChunk::owner(), and SLOW_ASSERT.

Referenced by v8::internal::BUILTIN(), and TEST().

MaybeObject * FindObject

(

Address

a

)

Definition at line 2702 of file spaces.cc.

References Failure::Exception(), LargeObjectSpace::FindPage(), LargePage::GetObject(), and v8::internal::NULL.

Referenced by LargeObjectSpace::Contains(), LargeObjectSpace::SlowContains(), and TEST().

LargePage * FindPage

(

Address

a

)

Definition at line 2711 of file spaces.cc.

References ASSERT, MemoryChunk::Contains(), MemoryChunk::is_valid(), MemoryChunk::kAlignment, TemplateHashMapImpl< AllocationPolicy >::Lookup(), and v8::internal::NULL.

Referenced by LargeObjectSpace::FindObject(), and InnerPointerToCodeCache::GcSafeFindCodeForInnerPointer().

LargePage* first_page ( )

inline

Definition at line 2554 of file spaces.h.

void FreeUnmarkedObjects

(

)

Definition at line 2728 of file spaces.cc.

References HeapObject::address(), MarkBit::Clear(), MemoryAllocator::Free(), Heap::FreeQueuedChunks(), MarkBit::Get(), LargePage::GetObject(), Space::heap(), MemoryChunk::IncrementLiveBytesFromGC(), Heap::isolate(), MemoryChunk::kAlignment, Heap::mark_compact_collector(), Marking::MarkBitFrom(), Isolate::memory_allocator(), LargePage::next_page(), v8::internal::NULL, Heap::QueueMemoryChunkForFree(), TemplateHashMapImpl< AllocationPolicy >::Remove(), MarkCompactCollector::ReportDeleteIfNeeded(), LargePage::set_next_page(), and MemoryChunk::size().

bool IsEmpty ( )

inline

Definition at line 2547 of file spaces.h.

References v8::internal::NULL.

Referenced by TEST().

static intptr_t ObjectSizeFor ( intptr_t  chunk_size )

inlinestatic

Definition at line 2502 of file spaces.h.

References MemoryChunk::kObjectStartOffset, and Page::kPageSize.

Referenced by LargeObjectSpace::Available().

int PageCount ( )

inline

Definition at line 2527 of file spaces.h.

bool ReserveSpace ( int  bytes )

virtual

Definition at line 2302 of file spaces.cc.

References Space::heap(), Heap::incremental_marking(), IncrementalMarking::IsStopped(), Heap::OldGenerationCapacityAvailable(), and Heap::OldGenerationSpaceAvailable().

bool SetUp

(

)

Definition at line 2625 of file spaces.cc.

References TemplateHashMapImpl< AllocationPolicy >::Clear(), and v8::internal::NULL.

Referenced by Heap::SetUp(), and LargeObjectSpace::TearDown().

virtual intptr_t Size ( )

inlinevirtual

Implements Space.

Definition at line 2515 of file spaces.h.

Referenced by LargeObjectSpace::AllocateRaw(), Heap::CommittedMemory(), LargeObjectSpace::CommittedMemory(), StatisticsExtension::GetCounters(), and Heap::RecordStats().

virtual intptr_t SizeOfObjects ( )

inlinevirtual

Reimplemented from Space.

Definition at line 2519 of file spaces.h.

Referenced by Heap::PrintShortHeapStatistics(), and Heap::PromotedSpaceSizeOfObjects().

bool SlowContains ( Address  addr )

inline

Definition at line 2567 of file spaces.h.

References LargeObjectSpace::FindObject().

Referenced by Heap::Contains(), and Heap::InSpace().

void TearDown

(

)

Definition at line 2635 of file spaces.cc.

References MemoryChunk::address(), MemoryAllocator::Free(), Space::heap(), Space::identity(), Heap::isolate(), v8::kAllocationActionFree, LOG, Isolate::memory_allocator(), LargePage::next_page(), v8::internal::NULL, MemoryAllocator::PerformAllocationCallback(), LargeObjectSpace::SetUp(), and MemoryChunk::size().

Referenced by Heap::TearDown().

Friends And Related Function Documentation

friend class LargeObjectIterator

friend

Definition at line 2579 of file spaces.h.

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

• src/spaces.h
• src/spaces-inl.h
• src/spaces.cc