v8-internal.h File Reference

#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include <type_traits>
#include "v8-version.h"
#include "v8config.h"

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Data Structures
struct	SmiTagging< tagged_ptr_size >
struct	SmiTagging< 4 >
struct	SmiTagging< 8 >
class	Internals
struct	CastCheck< PerformCheck >
class	BackingStoreBase

Namespaces
	v8
	v8::internal

Typedefs
typedef uintptr_t	Address
using	ExternalPointer_t = Address
using	PlatformSmiTagging = SmiTagging< kApiTaggedSize >

Enumerations
enum	ExternalPointerTag : Address {   kExternalPointerNullTag = static_cast<Address>(0ULL), kArrayBufferBackingStoreTag = static_cast<Address>(1ULL << 48), kTypedArrayExternalPointerTag = static_cast<Address>(2ULL << 48), kDataViewDataPointerTag = static_cast<Address>(3ULL << 48),   kExternalStringResourceTag = static_cast<Address>(4ULL << 48), kExternalStringResourceDataTag = static_cast<Address>(5ULL << 48), kForeignForeignAddressTag = static_cast<Address>(6ULL << 48), kNativeContextMicrotaskQueueTag = static_cast<Address>(7ULL << 48),   kEmbedderDataSlotPayloadTag = static_cast<Address>(0ULL << 48) }

Functions
constexpr bool	PointerCompressionIsEnabled ()
constexpr bool	HeapSandboxIsEnabled ()
constexpr bool	SmiValuesAre31Bits ()
constexpr bool	SmiValuesAre32Bits ()
V8_EXPORT Address	DecodeExternalPointerImpl (const Isolate *isolate, ExternalPointer_t pointer, ExternalPointerTag tag)
V8_EXPORT internal::Isolate *	IsolateFromNeverReadOnlySpaceObject (Address obj)
V8_EXPORT bool	ShouldThrowOnError (v8::internal::Isolate *isolate)
template<class T >
V8_INLINE void	PerformCastCheck (T *data)

Variables
const int	kApiSystemPointerSize = sizeof(void*)
const int	kApiDoubleSize = sizeof(double)
const int	kApiInt32Size = sizeof(int32_t)
const int	kApiInt64Size = sizeof(int64_t)
const int	kHeapObjectTag = 1
const int	kWeakHeapObjectTag = 3
const int	kHeapObjectTagSize = 2
const intptr_t	kHeapObjectTagMask = (1 << kHeapObjectTagSize) - 1
const int	kSmiTag = 0
const int	kSmiTagSize = 1
const intptr_t	kSmiTagMask = (1 << kSmiTagSize) - 1
constexpr intptr_t	kIntptrAllBitsSet = intptr_t{-1}
constexpr uintptr_t	kUintptrAllBitsSet
const int	kApiTaggedSize = kApiSystemPointerSize
const int	kSmiShiftSize = PlatformSmiTagging::kSmiShiftSize
const int	kSmiValueSize = PlatformSmiTagging::kSmiValueSize
const int	kSmiMinValue = static_cast<int>(PlatformSmiTagging::kSmiMinValue)
const int	kSmiMaxValue = static_cast<int>(PlatformSmiTagging::kSmiMaxValue)