WriteBarrier Class Reference

#include <write-barrier.h>

Data Structures
struct	Params

Public Types
enum class	Type : uint8_t { kNone , kMarking , kGenerational }
enum class	ValueMode { kValuePresent , kNoValuePresent }

Public Member Functions
template<typename HeapHandleCallback >
WriteBarrier::Type	GetWriteBarrierType (const void *slot, WriteBarrier::Params &params, HeapHandleCallback callback)
template<typename HeapHandleCallback >
WriteBarrier::Type	GetWriteBarrierTypeForExternallyReferencedObject (const void *value, Params &params, HeapHandleCallback callback)

Static Public Member Functions
static V8_INLINE Type	GetWriteBarrierType (const void *slot, const void *value, Params &params)
template<typename HeapHandleCallback >
static V8_INLINE Type	GetWriteBarrierType (const void *slot, Params &params, HeapHandleCallback callback)
template<typename HeapHandleCallback >
static V8_INLINE Type	GetWriteBarrierTypeForExternallyReferencedObject (const void *value, Params &params, HeapHandleCallback callback)
static V8_INLINE void	DijkstraMarkingBarrier (const Params &params, const void *object)
static V8_INLINE void	DijkstraMarkingBarrierRange (const Params &params, const void *first_element, size_t element_size, size_t number_of_elements, TraceCallback trace_callback)
static V8_INLINE void	SteeleMarkingBarrier (const Params &params, const void *object)
static V8_INLINE void	GenerationalBarrier (const Params &params, const void *slot)
static void	CheckParams (Type expected_type, const Params &params)
static bool	IsAnyIncrementalOrConcurrentMarking ()

Detailed Description

Definition at line 35 of file write-barrier.h.

Member Enumeration Documentation

Type

enum Type : uint8_t

strong

Enumerator
kNone
kMarking
kGenerational

Definition at line 37 of file write-barrier.h.

ValueMode

enum ValueMode

strong

Enumerator
kValuePresent
kNoValuePresent

Definition at line 58 of file write-barrier.h.

Member Function Documentation

CheckParams()

static void CheckParams ( Type  expected_type, const Params &  params  )

inlinestatic

Definition at line 93 of file write-barrier.h.

Referenced by WriteBarrier::DijkstraMarkingBarrier(), JSHeapConsistency::DijkstraMarkingBarrier(), WriteBarrier::DijkstraMarkingBarrierRange(), and WriteBarrier::SteeleMarkingBarrier().

DijkstraMarkingBarrier()

void DijkstraMarkingBarrier ( const Params &  params, const void *  object  )

static

Definition at line 355 of file write-barrier.h.

References WriteBarrier::CheckParams(), and WriteBarrier::kMarking.

Referenced by DijkstraWriteBarrierPolicy::AssigningBarrier(), JSHeapConsistency::DijkstraMarkingBarrier(), and HeapConsistency::DijkstraWriteBarrier().

DijkstraMarkingBarrierRange()

void DijkstraMarkingBarrierRange ( const Params &  params, const void *  first_element, size_t  element_size, size_t  number_of_elements, TraceCallback  trace_callback  )

static

Definition at line 367 of file write-barrier.h.

References WriteBarrier::CheckParams(), WriteBarrier::Params::heap, and WriteBarrier::kMarking.

Referenced by HeapConsistency::DijkstraWriteBarrierRange().

GenerationalBarrier()

static V8_INLINE void GenerationalBarrier ( const Params &  params, const void *  slot  )

inlinestatic

Definition at line 86 of file write-barrier.h.

Referenced by DijkstraWriteBarrierPolicy::AssigningBarrier(), and HeapConsistency::GenerationalBarrier().

GetWriteBarrierType() [1/3]

WriteBarrier::Type GetWriteBarrierType ( const void *  slot, const void *  value, WriteBarrier::Params &  params  )

static

Definition at line 330 of file write-barrier.h.

References WriteBarrierTypeForNonCagedHeapPolicy::Get(), and WriteBarrier::kValuePresent.

Referenced by DijkstraWriteBarrierPolicy::AssigningBarrier(), and HeapConsistency::GetWriteBarrierType().

GetWriteBarrierType() [2/3]

static V8_INLINE Type GetWriteBarrierType ( const void *  slot, Params &  params, HeapHandleCallback  callback  )

static

GetWriteBarrierType() [3/3]

WriteBarrier::Type GetWriteBarrierType	(	const void *	slot,
		WriteBarrier::Params &	params,
		HeapHandleCallback	callback
	)

Definition at line 338 of file write-barrier.h.

References WriteBarrier::kNoValuePresent.

GetWriteBarrierTypeForExternallyReferencedObject() [1/2]

static V8_INLINE Type GetWriteBarrierTypeForExternallyReferencedObject ( const void *  value, Params &  params, HeapHandleCallback  callback  )

static

GetWriteBarrierTypeForExternallyReferencedObject() [2/2]

WriteBarrier::Type GetWriteBarrierTypeForExternallyReferencedObject	(	const void *	value,
		Params &	params,
		HeapHandleCallback	callback
	)

Definition at line 348 of file write-barrier.h.

IsAnyIncrementalOrConcurrentMarking()

static bool IsAnyIncrementalOrConcurrentMarking ( )

inlinestatic

Definition at line 99 of file write-barrier.h.

References AtomicEntryFlag::MightBeEntered().

Referenced by WriteBarrierTypeForNonCagedHeapPolicy::ValueModeDispatch< WriteBarrier::ValueMode::kNoValuePresent >::Get(), and JSHeapConsistency::GetWriteBarrierType().

SteeleMarkingBarrier()

void SteeleMarkingBarrier ( const Params &  params, const void *  object  )

static

Definition at line 378 of file write-barrier.h.

References WriteBarrier::CheckParams(), and WriteBarrier::kMarking.

Referenced by HeapConsistency::SteeleWriteBarrier().

---

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

• include/cppgc/internal/write-barrier.h