#include <context-serializer.h>

Inheritance diagram for v8::internal::ContextSerializer:

Collaboration diagram for v8::internal::ContextSerializer:

Public Member Functions
	ContextSerializer (Isolate isolate, Snapshot::SerializerFlags flags, StartupSerializer startup_serializer, SerializeEmbedderFieldsCallback callback)

	~ContextSerializer () override

	ContextSerializer (const ContextSerializer &)=delete

ContextSerializer &	operator= (const ContextSerializer &)=delete

void	Serialize (Tagged< Context > *o, const DisallowGarbageCollection &no_gc)

bool	can_be_rehashed () const

Public Member Functions inherited from v8::internal::Serializer
	Serializer (Isolate *isolate, Snapshot::SerializerFlags flags)

	~Serializer () override

	Serializer (const Serializer &)=delete

Serializer &	operator= (const Serializer &)=delete

const std::vector< uint8_t > *	Payload () const

bool	ReferenceMapContains (DirectHandle< HeapObject > o)

Isolate *	isolate () const

PtrComprCageBase	cage_base () const

int	TotalAllocationSize () const

Public Member Functions inherited from v8::internal::RootVisitor
virtual	~RootVisitor ()=default

virtual void	VisitRootPointer (Root root, const char *description, FullObjectSlot p)

virtual void	VisitRootPointers (Root root, const char *description, OffHeapObjectSlot start, OffHeapObjectSlot end)

virtual void	VisitRunningCode (FullObjectSlot code_slot, FullObjectSlot istream_or_smi_zero_slot)

virtual void	Synchronize (VisitorSynchronization::SyncTag tag)

virtual GarbageCollector	collector () const

Private Member Functions
void	SerializeObjectImpl (Handle< HeapObject > o, SlotType slot_type) override

bool	ShouldBeInTheStartupObjectCache (Tagged< HeapObject > o)

bool	ShouldBeInTheSharedObjectCache (Tagged< HeapObject > o)

void	CheckRehashability (Tagged< HeapObject > obj)

template<typename V8Type , typename UserSerializerWrapper , typename UserCallback , typename ApiObjectType >
void	SerializeObjectWithEmbedderFields (Handle< V8Type > data_holder, int embedder_fields_count, UserSerializerWrapper wrapper, UserCallback user_callback, ApiObjectType api_obj)

void	SerializeApiWrapperFields (DirectHandle< JSObject > js_object)

Private Attributes
StartupSerializer *	startup_serializer_

SerializeEmbedderFieldsCallback	serialize_embedder_fields_

bool	can_be_rehashed_

Tagged< Context >	context_

SnapshotByteSink	embedder_fields_sink_

SnapshotByteSink	api_wrapper_sink_

Additional Inherited Members
Static Public Member Functions inherited from v8::internal::SerializerDeserializer
static void	IterateStartupObjectCache (Isolate isolate, RootVisitor visitor)

static void	IterateSharedHeapObjectCache (Isolate isolate, RootVisitor visitor)

Static Public Member Functions inherited from v8::internal::RootVisitor
static const char *	RootName (Root root)

Protected Types inherited from v8::internal::Serializer
using	PendingObjectReferences = std::vector<int>*

Protected Types inherited from v8::internal::SerializerDeserializer
enum class	SlotType { kAnySlot , kMapSlot }

enum	Bytecode : uint8_t { kNewObject = 0x00 , kBackref = 0x04 , kReadOnlyHeapRef , kStartupObjectCache , kRootArray , kAttachedReference , kSharedHeapObjectCache , kNop , kSynchronize , kVariableRepeatRoot , kOffHeapBackingStore , kOffHeapResizableBackingStore , kEmbedderFieldsData , kApiWrapperFieldsData , kVariableRawData , kApiReference , kExternalReference , kSandboxedApiReference , kSandboxedExternalReference , kSandboxedRawExternalReference , kClearedWeakReference , kWeakPrefix , kRegisterPendingForwardRef , kResolvePendingForwardRef , kNewContextlessMetaMap , kNewContextfulMetaMap , kIndirectPointerPrefix , kInitializeSelfIndirectPointer , kAllocateJSDispatchEntry , kJSDispatchEntry , kProtectedPointerPrefix , kRootArrayConstants = 0x40 , kFixedRawData = 0x60 , kFixedRepeatRoot = 0x80 , kHotObject = 0x90 }

template<Bytecode bytecode>
using	SpaceEncoder

using	NewObject = SpaceEncoder<kNewObject>

using	FixedRawDataWithSize

using	FixedRepeatRootWithCount

using	RootArrayConstant

using	HotObject = BytecodeValueEncoder<kHotObject, 0, kHotObjectCount - 1>

Protected Member Functions inherited from v8::internal::Serializer
V8_INLINE bool	IsNotMappedSymbol (Tagged< HeapObject > obj) const

void	SerializeDeferredObjects ()

void	SerializeObject (Handle< HeapObject > o, SlotType slot_type)

virtual void	SerializeObjectImpl (Handle< HeapObject > o, SlotType slot_type)=0

virtual bool	MustBeDeferred (Tagged< HeapObject > object)

void	VisitRootPointers (Root root, const char *description, FullObjectSlot start, FullObjectSlot end) override

void	SerializeRootObject (FullObjectSlot slot)

void	PutRoot (RootIndex root_index)

void	PutSmiRoot (FullObjectSlot slot)

void	PutBackReference (Tagged< HeapObject > object, SerializerReference reference)

void	PutAttachedReference (SerializerReference reference)

void	PutNextChunk (SnapshotSpace space)

void	PutRepeatRoot (int repeat_count, RootIndex root_index)

void	PutPendingForwardReference (PendingObjectReferences &ref)

void	ResolvePendingForwardReference (int obj)

bool	SerializeRoot (Tagged< HeapObject > obj)

bool	SerializeHotObject (Tagged< HeapObject > obj)

bool	SerializeBackReference (Tagged< HeapObject > obj)

bool	SerializePendingObject (Tagged< HeapObject > obj)

bool	ObjectIsBytecodeHandler (Tagged< HeapObject > obj) const

ExternalReferenceEncoder::Value	EncodeExternalReference (Address addr)

Maybe< ExternalReferenceEncoder::Value >	TryEncodeExternalReference (Address addr)

bool	SerializeReadOnlyObjectReference (Tagged< HeapObject > obj, SnapshotByteSink *sink)

void	Pad (int padding_offset=0)

void	InitializeCodeAddressMap ()

Tagged< InstructionStream >	CopyCode (Tagged< InstructionStream > istream)

void	QueueDeferredObject (Tagged< HeapObject > obj)

void	RegisterObjectIsPending (Tagged< HeapObject > obj)

void	ResolvePendingObject (Tagged< HeapObject > obj)

void	OutputStatistics (const char *name)

void	CountAllocation (Tagged< Map > map, int size, SnapshotSpace space)

SerializerReferenceMap *	reference_map ()

const RootIndexMap *	root_index_map () const

bool	allow_unknown_external_references_for_testing () const

bool	allow_active_isolate_for_testing () const

bool	reconstruct_read_only_and_shared_object_caches_for_testing () const

bool	deferred_objects_empty ()

bool	serializer_tracks_serialization_statistics () const

void	set_serializer_tracks_serialization_statistics (bool v)

Protected Member Functions inherited from v8::internal::SerializerDeserializer
void	RestoreExternalReferenceRedirector (Isolate *isolate, Tagged< AccessorInfo > accessor_info)

void	RestoreExternalReferenceRedirector (Isolate *isolate, Tagged< FunctionTemplateInfo > function_template_info)

Static Protected Member Functions inherited from v8::internal::SerializerDeserializer
static bool	CanBeDeferred (Tagged< HeapObject > o, SlotType slot_type)

Protected Attributes inherited from v8::internal::Serializer
SnapshotByteSink	sink_

Static Protected Attributes inherited from v8::internal::SerializerDeserializer
static const int	kRootArrayConstantsCount = 0x20

static const int	kFixedRawDataCount = 0x20

static const int	kFixedRepeatRootCount = 0x10

static const int	kHotObjectCount = 8

static const int	kDoubleAlignmentSentinel = 0

static const int	kFirstEncodableFixedRawDataSize = 1

static const int	kLastEncodableFixedRawDataSize

static const int	kFirstEncodableRepeatRootCount = 2

static const int	kLastEncodableFixedRepeatRootCount

static const int	kFirstEncodableVariableRepeatRootCount

static const uint32_t	kEmptyBackingStoreRefSentinel = 0

Detailed Description

Definition at line 17 of file context-serializer.h.

Constructor & Destructor Documentation

◆ ContextSerializer() [1/2]

v8::internal::ContextSerializer::ContextSerializer	(	Isolate *	isolate,
		Snapshot::SerializerFlags	flags,
		StartupSerializer *	startup_serializer,
		SerializeEmbedderFieldsCallback	callback )

Definition at line 67 of file context-serializer.cc.

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◆ ~ContextSerializer()

v8::internal::ContextSerializer::~ContextSerializer ( )

override

Definition at line 78 of file context-serializer.cc.

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◆ ContextSerializer() [2/2]

v8::internal::ContextSerializer::ContextSerializer ( const ContextSerializer & )

delete

Member Function Documentation

◆ can_be_rehashed()

bool v8::internal::ContextSerializer::can_be_rehashed ( ) const

inline

Definition at line 30 of file context-serializer.h.

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◆ CheckRehashability()

void v8::internal::ContextSerializer::CheckRehashability ( Tagged< HeapObject > obj )

private

Definition at line 404 of file context-serializer.cc.

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◆ operator=()

ContextSerializer & v8::internal::ContextSerializer::operator= ( const ContextSerializer & )

delete

◆ Serialize()

void v8::internal::ContextSerializer::Serialize	(	Tagged< Context > *	o,
		const DisallowGarbageCollection &	no_gc )

Definition at line 82 of file context-serializer.cc.

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◆ SerializeApiWrapperFields()

void v8::internal::ContextSerializer::SerializeApiWrapperFields ( DirectHandle< JSObject > js_object )

private

Definition at line 287 of file context-serializer.cc.

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◆ SerializeObjectImpl()

void v8::internal::ContextSerializer::SerializeObjectImpl	(	Handle< HeapObject >	o,
		SlotType	slot_type )

overrideprivate

Definition at line 158 of file context-serializer.cc.

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◆ SerializeObjectWithEmbedderFields()

template<typename V8Type , typename UserSerializerWrapper , typename UserCallback , typename ApiObjectType >

void v8::internal::ContextSerializer::SerializeObjectWithEmbedderFields	(	Handle< V8Type >	data_holder,
		int	embedder_fields_count,
		UserSerializerWrapper	wrapper,
		UserCallback	user_callback,
		ApiObjectType	api_obj )

private

Definition at line 318 of file context-serializer.cc.

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◆ ShouldBeInTheSharedObjectCache()

bool v8::internal::ContextSerializer::ShouldBeInTheSharedObjectCache ( Tagged< HeapObject > o )

private

Definition at line 277 of file context-serializer.cc.

◆ ShouldBeInTheStartupObjectCache()

bool v8::internal::ContextSerializer::ShouldBeInTheStartupObjectCache ( Tagged< HeapObject > o )

private

Definition at line 266 of file context-serializer.cc.

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Member Data Documentation

◆ api_wrapper_sink_

SnapshotByteSink v8::internal::ContextSerializer::api_wrapper_sink_

private

Definition at line 60 of file context-serializer.h.

◆ can_be_rehashed_

bool v8::internal::ContextSerializer::can_be_rehashed_

private

Definition at line 54 of file context-serializer.h.

◆ context_

Tagged<Context> v8::internal::ContextSerializer::context_

private

Definition at line 55 of file context-serializer.h.

◆ embedder_fields_sink_

SnapshotByteSink v8::internal::ContextSerializer::embedder_fields_sink_

private

Definition at line 58 of file context-serializer.h.

◆ serialize_embedder_fields_

SerializeEmbedderFieldsCallback v8::internal::ContextSerializer::serialize_embedder_fields_

private

Definition at line 51 of file context-serializer.h.

◆ startup_serializer_

StartupSerializer* v8::internal::ContextSerializer::startup_serializer_

private

Definition at line 50 of file context-serializer.h.

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

src/snapshot/context-serializer.h
src/snapshot/context-serializer.cc

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ContextSerializer() [1/2]

◆ ~ContextSerializer()

◆ ContextSerializer() [2/2]

Member Function Documentation

◆ can_be_rehashed()

◆ CheckRehashability()

◆ operator=()

◆ Serialize()

◆ SerializeApiWrapperFields()

◆ SerializeObjectImpl()

◆ SerializeObjectWithEmbedderFields()

◆ ShouldBeInTheSharedObjectCache()

◆ ShouldBeInTheStartupObjectCache()

Member Data Documentation

◆ api_wrapper_sink_

◆ can_be_rehashed_

◆ context_

◆ embedder_fields_sink_

◆ serialize_embedder_fields_

◆ startup_serializer_