v8::internal::EvacuateVisitorBase Class Reference

Inheritance diagram for v8::internal::EvacuateVisitorBase:

Collaboration diagram for v8::internal::EvacuateVisitorBase:

Public Member Functions
void	AddObserver (MigrationObserver *observer)
Public Member Functions inherited from v8::internal::HeapObjectVisitor
virtual	~HeapObjectVisitor ()=default
virtual bool	Visit (Tagged< HeapObject > object, int size)=0

Protected Types
enum	MigrationMode { kFast , kObserved }
using	MigrateFunction

Protected Member Functions
PtrComprCageBase	cage_base ()
	EvacuateVisitorBase (Heap *heap, EvacuationAllocator *local_allocator, RecordMigratedSlotVisitor *record_visitor)
bool	TryEvacuateObject (AllocationSpace target_space, Tagged< HeapObject > object, int size, Tagged< HeapObject > *target_object)
bool	ShouldPromoteIntoSharedHeap (Tagged< Map > map)
void	ExecuteMigrationObservers (AllocationSpace dest, Tagged< HeapObject > src, Tagged< HeapObject > dst, int size)
void	MigrateObject (Tagged< HeapObject > dst, Tagged< HeapObject > src, int size, AllocationSpace dest)

Static Protected Member Functions
template<MigrationMode mode>
static void	RawMigrateObject (EvacuateVisitorBase *base, Tagged< HeapObject > dst, Tagged< HeapObject > src, int size, AllocationSpace dest)

Protected Attributes
Heap *	heap_
EvacuationAllocator *	local_allocator_
RecordMigratedSlotVisitor *	record_visitor_
std::vector< MigrationObserver * >	observers_
MigrateFunction	migration_function_
const bool	shared_string_table_
std::optional< base::RandomNumberGenerator >	rng_

Detailed Description

Definition at line 1442 of file mark-compact.cc.

Member Typedef Documentation

MigrateFunction

using v8::internal::EvacuateVisitorBase::MigrateFunction

protected

Initial value:

 void (*)(EvacuateVisitorBase* base,
                                   Tagged<HeapObject> dst,
                                   Tagged<HeapObject> src, int size,
                                   AllocationSpace dest)

Definition at line 1484 of file mark-compact.cc.

Member Enumeration Documentation

MigrationMode

enum v8::internal::EvacuateVisitorBase::MigrationMode

protected

Enumerator
kFast
kObserved

Definition at line 1474 of file mark-compact.cc.

Constructor & Destructor Documentation

EvacuateVisitorBase()

v8::internal::EvacuateVisitorBase::EvacuateVisitorBase ( Heap * heap, EvacuationAllocator * local_allocator, RecordMigratedSlotVisitor * record_visitor )

inlineprotected

Definition at line 1571 of file mark-compact.cc.

Here is the call graph for this function:

Member Function Documentation

AddObserver()

void v8::internal::EvacuateVisitorBase::AddObserver ( MigrationObserver * observer )

inline

Definition at line 1444 of file mark-compact.cc.

Here is the call graph for this function:

cage_base()

PtrComprCageBase v8::internal::EvacuateVisitorBase::cage_base ( )

inlineprotected

Definition at line 1476 of file mark-compact.cc.

Here is the call graph for this function:

Here is the caller graph for this function:

ExecuteMigrationObservers()

void v8::internal::EvacuateVisitorBase::ExecuteMigrationObservers ( AllocationSpace dest, Tagged< HeapObject > src, Tagged< HeapObject > dst, int size )

inlineprotected

Definition at line 1621 of file mark-compact.cc.

MigrateObject()

void v8::internal::EvacuateVisitorBase::MigrateObject ( Tagged< HeapObject > dst, Tagged< HeapObject > src, int size, AllocationSpace dest )

inlineprotected

Definition at line 1629 of file mark-compact.cc.

Here is the caller graph for this function:

RawMigrateObject()

template<MigrationMode mode>

static void v8::internal::EvacuateVisitorBase::RawMigrateObject ( EvacuateVisitorBase * base, Tagged< HeapObject > dst, Tagged< HeapObject > src, int size, AllocationSpace dest )

inlinestaticprotected

Definition at line 1490 of file mark-compact.cc.

Here is the call graph for this function:

Here is the caller graph for this function:

ShouldPromoteIntoSharedHeap()

bool v8::internal::EvacuateVisitorBase::ShouldPromoteIntoSharedHeap ( Tagged< Map > map )

inlineprotected

Definition at line 1613 of file mark-compact.cc.

Here is the call graph for this function:

Here is the caller graph for this function:

TryEvacuateObject()

bool v8::internal::EvacuateVisitorBase::TryEvacuateObject ( AllocationSpace target_space, Tagged< HeapObject > object, int size, Tagged< HeapObject > * target_object )

inlineprotected

Definition at line 1584 of file mark-compact.cc.

Here is the call graph for this function:

Here is the caller graph for this function:

Member Data Documentation

heap_

Heap* v8::internal::EvacuateVisitorBase::heap_

protected

Definition at line 1634 of file mark-compact.cc.

local_allocator_

EvacuationAllocator* v8::internal::EvacuateVisitorBase::local_allocator_

protected

Definition at line 1635 of file mark-compact.cc.

migration_function_

MigrateFunction v8::internal::EvacuateVisitorBase::migration_function_

protected

Definition at line 1638 of file mark-compact.cc.

observers_

std::vector<MigrationObserver*> v8::internal::EvacuateVisitorBase::observers_

protected

Definition at line 1637 of file mark-compact.cc.

record_visitor_

RecordMigratedSlotVisitor* v8::internal::EvacuateVisitorBase::record_visitor_

protected

Definition at line 1636 of file mark-compact.cc.

rng_

std::optional<base::RandomNumberGenerator> v8::internal::EvacuateVisitorBase::rng_

protected

Definition at line 1643 of file mark-compact.cc.

shared_string_table_

const bool v8::internal::EvacuateVisitorBase::shared_string_table_

protected

Definition at line 1639 of file mark-compact.cc.

---

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

• src/heap/mark-compact.cc