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

Include dependency graph for v8-internal.h:

This graph shows which files directly or indirectly include this file:

Macros
#define	MAKE_TAG(v) (static_cast<uint64_t>(v) << kExternalPointerTagShift)

Typedefs
typedef uintptr_t	Address

using	PlatformSmiTagging = SmiTagging< kApiTaggedSize >

using	SandboxedPointer_t = Address

using	ExternalPointer_t = Address

Enumerations
enum	ExternalPointerTag : uint64_t { kExternalPointerNullTag = MAKE_TAG(0b0000000000000000) , kExternalPointerFreeEntryTag = MAKE_TAG(0b0111111110000000) , kExternalStringResourceTag = MAKE_TAG(0b1000000011111111) , kExternalStringResourceDataTag = MAKE_TAG(0b1000000101111111) , kForeignForeignAddressTag = MAKE_TAG(0b1000000110111111) , kNativeContextMicrotaskQueueTag = MAKE_TAG(0b1000000111011111) , kEmbedderDataSlotPayloadTag = MAKE_TAG(0b1000000111101111) , kCodeEntryPointTag = MAKE_TAG(0b1000000111110111) , kExternalObjectValueTag = MAKE_TAG(0b1000000111111011) }

Functions
constexpr bool	PointerCompressionIsEnabled ()

constexpr bool	SmiValuesAre31Bits ()

constexpr bool	SmiValuesAre32Bits ()

constexpr bool	SandboxIsEnabled ()

constexpr bool	SandboxedExternalPointersAreEnabled ()

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)

V8_EXPORT bool	CanHaveInternalField (int instance_type)

template<class T >
V8_INLINE void	PerformCastCheck (T *data)

Variables
constexpr int	KB = 1024

constexpr int	MB = KB * 1024

constexpr int	GB = MB * 1024

const int	kApiSystemPointerSize = sizeof(void*)

const int	kApiDoubleSize = sizeof(double)

const int	kApiInt32Size = sizeof(int32_t)

const int	kApiInt64Size = sizeof(int64_t)

const int	kApiSizetSize = sizeof(size_t)

const int	kHeapObjectTag = 1

const int	kWeakHeapObjectTag = 3

const int	kHeapObjectTagSize = 2

const intptr_t	kHeapObjectTagMask = (1 << kHeapObjectTagSize) - 1

const int	kForwardingTag = 0

const int	kForwardingTagSize = 2

const intptr_t	kForwardingTagMask = (1 << kForwardingTagSize) - 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)

constexpr uint64_t	kExternalPointerTagMask = 0xffff000000000000

constexpr uint64_t	kExternalPointerTagShift = 48

constexpr int	kGarbageCollectionReasonMaxValue = 25

Macro Definition Documentation

◆ MAKE_TAG

#define MAKE_TAG ( v ) (static_cast<uint64_t>(v) << kExternalPointerTagShift)

Definition at line 298 of file v8-internal.h.