#include <memory-chunk-metadata.h>

Inheritance diagram for v8::internal::MemoryChunkMetadata:

Collaboration diagram for v8::internal::MemoryChunkMetadata:

Public Member Functions
	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 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)

Protected Attributes
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_

Static Private Member Functions
static constexpr intptr_t	HeapOffset ()

static constexpr intptr_t	AreaStartOffset ()

Friends
class	debug_helper_internal::ReadStringVisitor

class	CodeStubAssembler

class	MacroAssembler

Detailed Description

Definition at line 32 of file memory-chunk-metadata.h.

Constructor & Destructor Documentation

◆ MemoryChunkMetadata()

v8::internal::MemoryChunkMetadata::MemoryChunkMetadata	(	Heap *	heap,
		BaseSpace *	space,
		size_t	chunk_size,
		Address	area_start,
		Address	area_end,
		VirtualMemory	reservation )

Definition at line 16 of file memory-chunk-metadata.cc.

◆ ~MemoryChunkMetadata()

v8::internal::MemoryChunkMetadata::~MemoryChunkMetadata ( )

Definition at line 30 of file memory-chunk-metadata.cc.

Member Function Documentation

◆ add_wasted_memory()

void v8::internal::MemoryChunkMetadata::add_wasted_memory ( size_t waste )

inline

Definition at line 100 of file memory-chunk-metadata.h.

◆ allocated_bytes()

size_t v8::internal::MemoryChunkMetadata::allocated_bytes ( ) const

inline

Definition at line 101 of file memory-chunk-metadata.h.

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◆ area_end()

Address v8::internal::MemoryChunkMetadata::area_end ( ) const

inline

Definition at line 62 of file memory-chunk-metadata.h.

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◆ area_size()

size_t v8::internal::MemoryChunkMetadata::area_size ( ) const

inline

Definition at line 65 of file memory-chunk-metadata.h.

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◆ area_start()

Address v8::internal::MemoryChunkMetadata::area_start ( ) const

inline

Definition at line 60 of file memory-chunk-metadata.h.

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◆ AreaStartOffset()

static constexpr intptr_t v8::internal::MemoryChunkMetadata::AreaStartOffset ( )

inlinestaticconstexprprivate

Definition at line 174 of file memory-chunk-metadata.h.

◆ Chunk() [1/2]

MemoryChunk * v8::internal::MemoryChunkMetadata::Chunk ( )

inline

Definition at line 123 of file memory-chunk-metadata.h.

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◆ Chunk() [2/2]

const MemoryChunk * v8::internal::MemoryChunkMetadata::Chunk ( ) const

inline

Definition at line 124 of file memory-chunk-metadata.h.

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◆ ChunkAddress()

Address v8::internal::MemoryChunkMetadata::ChunkAddress ( ) const

inline

Definition at line 51 of file memory-chunk-metadata.h.

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◆ Contains()

bool v8::internal::MemoryChunkMetadata::Contains ( Address addr ) const

inline

Definition at line 89 of file memory-chunk-metadata.h.

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◆ ContainsLimit()

bool v8::internal::MemoryChunkMetadata::ContainsLimit ( Address addr ) const

inline

Definition at line 95 of file memory-chunk-metadata.h.

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◆ DecreaseAllocatedBytes()

void v8::internal::MemoryChunkMetadata::DecreaseAllocatedBytes ( size_t bytes )

inline

Definition at line 117 of file memory-chunk-metadata.h.

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◆ FromAddress()

MemoryChunkMetadata * v8::internal::MemoryChunkMetadata::FromAddress ( Address a )

static

Definition at line 17 of file memory-chunk-metadata-inl.h.

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◆ FromHeapObject() [1/2]

MemoryChunkMetadata * v8::internal::MemoryChunkMetadata::FromHeapObject ( const HeapObjectLayout * o )

static

Definition at line 27 of file memory-chunk-metadata-inl.h.

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◆ FromHeapObject() [2/2]

MemoryChunkMetadata * v8::internal::MemoryChunkMetadata::FromHeapObject ( Tagged< HeapObject > o )

static

Definition at line 22 of file memory-chunk-metadata-inl.h.

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◆ heap()

Heap * v8::internal::MemoryChunkMetadata::heap ( ) const

inline

Definition at line 69 of file memory-chunk-metadata.h.

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◆ HeapOffset()

static constexpr intptr_t v8::internal::MemoryChunkMetadata::HeapOffset ( )

inlinestaticconstexprprivate

Definition at line 170 of file memory-chunk-metadata.h.

◆ HighWaterMark()

Address v8::internal::MemoryChunkMetadata::HighWaterMark ( ) const

inline

Definition at line 103 of file memory-chunk-metadata.h.

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◆ IncreaseAllocatedBytes()

void v8::internal::MemoryChunkMetadata::IncreaseAllocatedBytes ( size_t bytes )

inline

Definition at line 112 of file memory-chunk-metadata.h.

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◆ InSharedSpace()

bool v8::internal::MemoryChunkMetadata::InSharedSpace ( ) const

Definition at line 36 of file memory-chunk-metadata.cc.

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◆ InTrustedSpace()

bool v8::internal::MemoryChunkMetadata::InTrustedSpace ( ) const

Definition at line 40 of file memory-chunk-metadata.cc.

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◆ IsMutablePageMetadata()

bool v8::internal::MemoryChunkMetadata::IsMutablePageMetadata ( ) const

inline

Definition at line 87 of file memory-chunk-metadata.h.

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◆ IsWritable()

bool v8::internal::MemoryChunkMetadata::IsWritable ( ) const

inline

Definition at line 81 of file memory-chunk-metadata.h.

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◆ MetadataAddress()

Address v8::internal::MemoryChunkMetadata::MetadataAddress ( ) const

inline

Definition at line 52 of file memory-chunk-metadata.h.

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◆ Offset()

size_t v8::internal::MemoryChunkMetadata::Offset ( Address a ) const

inline

Definition at line 55 of file memory-chunk-metadata.h.

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◆ owner()

BaseSpace * v8::internal::MemoryChunkMetadata::owner ( ) const

inline

Definition at line 75 of file memory-chunk-metadata.h.

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◆ reserved_memory()

VirtualMemory * v8::internal::MemoryChunkMetadata::reserved_memory ( )

inline

Definition at line 105 of file memory-chunk-metadata.h.

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◆ ResetAllocationStatistics()

void v8::internal::MemoryChunkMetadata::ResetAllocationStatistics ( )

inline

Definition at line 107 of file memory-chunk-metadata.h.

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◆ set_area_end()

void v8::internal::MemoryChunkMetadata::set_area_end ( Address area_end )

inline

Definition at line 63 of file memory-chunk-metadata.h.

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◆ set_owner()

void v8::internal::MemoryChunkMetadata::set_owner ( BaseSpace * space )

inline

Definition at line 76 of file memory-chunk-metadata.h.

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◆ set_size()

void v8::internal::MemoryChunkMetadata::set_size ( size_t size )

inline

Definition at line 58 of file memory-chunk-metadata.h.

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◆ size()

size_t v8::internal::MemoryChunkMetadata::size ( ) const

inline

Definition at line 57 of file memory-chunk-metadata.h.

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◆ UpdateHighWaterMark()

void v8::internal::MemoryChunkMetadata::UpdateHighWaterMark ( Address mark )

static

Definition at line 33 of file memory-chunk-metadata-inl.h.

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◆ wasted_memory()

size_t v8::internal::MemoryChunkMetadata::wasted_memory ( ) const

inline

Definition at line 99 of file memory-chunk-metadata.h.

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Friends And Related Symbol Documentation

◆ CodeStubAssembler

friend class CodeStubAssembler

friend

Definition at line 181 of file memory-chunk-metadata.h.

◆ debug_helper_internal::ReadStringVisitor

friend class debug_helper_internal::ReadStringVisitor

friend

Definition at line 179 of file memory-chunk-metadata.h.

◆ MacroAssembler

friend class MacroAssembler

friend

Definition at line 182 of file memory-chunk-metadata.h.

Member Data Documentation

◆ allocated_bytes_

size_t v8::internal::MemoryChunkMetadata::allocated_bytes_

protected

Definition at line 143 of file memory-chunk-metadata.h.

◆ area_end_

Address v8::internal::MemoryChunkMetadata::area_end_

protected

Definition at line 154 of file memory-chunk-metadata.h.

◆ area_start_

Address v8::internal::MemoryChunkMetadata::area_start_

protected

Definition at line 164 of file memory-chunk-metadata.h.

◆ heap_

Heap* v8::internal::MemoryChunkMetadata::heap_

protected

Definition at line 161 of file memory-chunk-metadata.h.

◆ high_water_mark_

std::atomic<intptr_t> v8::internal::MemoryChunkMetadata::high_water_mark_

protected

Definition at line 149 of file memory-chunk-metadata.h.

◆ owner_

std::atomic<BaseSpace*> v8::internal::MemoryChunkMetadata::owner_

protected

Definition at line 167 of file memory-chunk-metadata.h.

◆ reservation_

VirtualMemory v8::internal::MemoryChunkMetadata::reservation_

protected

Definition at line 139 of file memory-chunk-metadata.h.

◆ size_

size_t v8::internal::MemoryChunkMetadata::size_

protected

Definition at line 152 of file memory-chunk-metadata.h.

◆ wasted_memory_

size_t v8::internal::MemoryChunkMetadata::wasted_memory_ = 0

protected

Definition at line 145 of file memory-chunk-metadata.h.

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

Public Member Functions

Static Public Member Functions

Protected Attributes

Static Private Member Functions

Friends

Detailed Description

Constructor & Destructor Documentation

◆ MemoryChunkMetadata()

◆ ~MemoryChunkMetadata()

Member Function Documentation

◆ add_wasted_memory()

◆ allocated_bytes()

◆ area_end()

◆ area_size()

◆ area_start()

◆ AreaStartOffset()

◆ Chunk() [1/2]

◆ Chunk() [2/2]

◆ ChunkAddress()

◆ Contains()

◆ ContainsLimit()

◆ DecreaseAllocatedBytes()

◆ FromAddress()

◆ FromHeapObject() [1/2]

◆ FromHeapObject() [2/2]

◆ heap()

◆ HeapOffset()

◆ HighWaterMark()

◆ IncreaseAllocatedBytes()

◆ InSharedSpace()

◆ InTrustedSpace()

◆ IsMutablePageMetadata()

◆ IsWritable()

◆ MetadataAddress()

◆ Offset()

◆ owner()

◆ reserved_memory()

◆ ResetAllocationStatistics()

◆ set_area_end()

◆ set_owner()

◆ set_size()

◆ size()

◆ UpdateHighWaterMark()

◆ wasted_memory()

Friends And Related Symbol Documentation

◆ CodeStubAssembler

◆ debug_helper_internal::ReadStringVisitor

◆ MacroAssembler

Member Data Documentation

◆ allocated_bytes_

◆ area_end_

◆ area_start_

◆ heap_

◆ high_water_mark_

◆ owner_

◆ reservation_

◆ size_

◆ wasted_memory_