WriteBarrier Class Reference

#include <write-barrier.h>

Data Structures
struct	Params

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

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

Static Public Member Functions
static V8_INLINE Type	GetWriteBarrierType (const void *slot, const void *value, Params &params)
template<typename MemberStorage >
static V8_INLINE Type	GetWriteBarrierType (const void *slot, MemberStorage, Params &params)
template<typename HeapHandleCallback >
static V8_INLINE Type	GetWriteBarrierType (const void *slot, Params &params, HeapHandleCallback callback)
static V8_INLINE Type	GetWriteBarrierType (const void *value, Params &params)
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)
template<GenerationalBarrierType >
static V8_INLINE void	GenerationalBarrier (const Params &params, const void *slot)
static void	CheckParams (Type expected_type, const Params &params)
static bool	IsEnabled ()

Detailed Description

Definition at line 39 of file write-barrier.h.

Member Enumeration Documentation

GenerationalBarrierType

enum class GenerationalBarrierType : uint8_t

strong

Enumerator
kPreciseSlot
kPreciseUncompressedSlot
kImpreciseSlot

Definition at line 47 of file write-barrier.h.

Type

enum class Type : uint8_t

strong

Enumerator
kNone
kMarking
kGenerational

Definition at line 41 of file write-barrier.h.

ValueMode

enum class ValueMode

strong

Enumerator
kValuePresent
kNoValuePresent

Definition at line 64 of file write-barrier.h.

Member Function Documentation

CheckParams()

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

inlinestatic

Definition at line 112 of file write-barrier.h.

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

DijkstraMarkingBarrier()

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

static

Definition at line 419 of file write-barrier.h.

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

Referenced by 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 431 of file write-barrier.h.

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

GenerationalBarrier()

template<GenerationalBarrierType >

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

inlinestatic

Definition at line 105 of file write-barrier.h.

GetWriteBarrierType() [1/6]

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

static

Definition at line 388 of file write-barrier.h.

References WriteBarrier::kValuePresent.

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

GetWriteBarrierType() [2/6]

template<typename MemberStorage >

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

Definition at line 396 of file write-barrier.h.

References WriteBarrier::kValuePresent.

GetWriteBarrierType() [3/6]

template<typename MemberStorage >

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

static

GetWriteBarrierType() [4/6]

template<typename HeapHandleCallback >

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

static

GetWriteBarrierType() [5/6]

template<typename HeapHandleCallback >

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

Definition at line 404 of file write-barrier.h.

References WriteBarrier::kNoValuePresent.

GetWriteBarrierType() [6/6]

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

static

Definition at line 412 of file write-barrier.h.

References WriteBarrier::kValuePresent.

Referenced by HeapConsistency::GetWriteBarrierType().

IsEnabled()

static bool IsEnabled ( )

inlinestatic

Definition at line 118 of file write-barrier.h.

References AtomicEntryFlag::MightBeEntered().

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

SteeleMarkingBarrier()

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

static

Definition at line 442 of file write-barrier.h.

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

Referenced by HeapConsistency::SteeleWriteBarrier().

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

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