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 DijkstraMarkingBarrier(), DijkstraMarkingBarrierRange(), and SteeleMarkingBarrier().

DijkstraMarkingBarrier()

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

static

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

References CheckParams(), and kMarking.

Referenced by HeapConsistency::DijkstraWriteBarrier(), and GetWriteBarrierType().

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

Referenced by HeapConsistency::DijkstraWriteBarrierRange(), and GetWriteBarrierType().

GenerationalBarrier()

template<GenerationalBarrierType>

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

inlinestatic

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

References V8_INLINE.

Referenced by HeapConsistency::GenerationalBarrier(), HeapConsistency::GenerationalBarrierForSourceObject(), HeapConsistency::GenerationalBarrierForUncompressedSlot(), and GetWriteBarrierType().

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 WriteBarrierTypeForNonCagedHeapPolicy::Get().

Referenced by DijkstraWriteBarrierPolicy::AssigningBarrier(), DijkstraWriteBarrierPolicy::AssigningBarrier(), GetWriteBarrierType(), HeapConsistency::GetWriteBarrierType(), HeapConsistency::GetWriteBarrierType(), HeapConsistency::GetWriteBarrierType(), 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 WriteBarrierTypeForNonCagedHeapPolicy::Get().

GetWriteBarrierType() [3/6]

template<typename MemberStorage>

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

static

References V8_INLINE.

GetWriteBarrierType() [4/6]

template<typename HeapHandleCallback>

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

static

References DijkstraMarkingBarrier(), DijkstraMarkingBarrierRange(), GenerationalBarrier(), GetWriteBarrierType(), SteeleMarkingBarrier(), V8_INLINE, V8_NOINLINE, and V8_PRESERVE_MOST.

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 WriteBarrierTypeForNonCagedHeapPolicy::Get().

GetWriteBarrierType() [6/6]

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

static

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

References WriteBarrierTypeForNonCagedHeapPolicy::Get().

IsEnabled()

static bool IsEnabled ( )

inlinestatic

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

Referenced by DijkstraWriteBarrierPolicy::AssigningBarrier(), DijkstraWriteBarrierPolicy::AssigningBarrier(), 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 CheckParams(), and kMarking.

Referenced by GetWriteBarrierType(), and HeapConsistency::SteeleWriteBarrier().

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

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