#include <raw_object.h>

Inheritance diagram for dart::UntaggedLocalVarDescriptors:

Classes
class	IndexBits

class	KindBits

struct	VarInfo

Public Types
enum	VarInfoKind { kStackVar = 1 , kContextVar , kContextLevel , kSavedCurrentContext }

enum	{ kKindPos = 0 , kKindSize = 8 , kIndexPos = kKindPos + kKindSize , kPayloadSize = sizeof(int32_t) * kBitsPerByte , kIndexSize = kPayloadSize - kIndexPos , kIndexBias = 1 << (kIndexSize - 1) , kMaxIndex = (1 << (kIndexSize - 1)) - 1 }

Public Types inherited from dart::UntaggedObject
enum	TagBits { kCardRememberedBit = 0 , kCanonicalBit = 1 , kNotMarkedBit = 2 , kNewOrEvacuationCandidateBit = 3 , kAlwaysSetBit = 4 , kOldAndNotRememberedBit = 5 , kImmutableBit = 6 , kReservedBit = 7 , kSizeTagPos = kReservedBit + 1 , kSizeTagSize = 4 , kClassIdTagPos = kSizeTagPos + kSizeTagSize , kClassIdTagSize = 20 , kHashTagPos = kClassIdTagPos + kClassIdTagSize , kHashTagSize = 32 }

Friends
class	Object

Additional Inherited Members
Public Member Functions inherited from dart::UntaggedObject
	COMPILE_ASSERT (kNotMarkedBit+kBarrierOverlapShift==kAlwaysSetBit)

	COMPILE_ASSERT (kNewOrEvacuationCandidateBit+kBarrierOverlapShift==kOldAndNotRememberedBit)

	COMPILE_ASSERT (kCardRememberedBit==0)

	COMPILE_ASSERT (kBitsPerByte *sizeof(ClassIdTagType) >=kClassIdTagSize)

	COMPILE_ASSERT (kClassIdTagMax==(1<< kClassIdTagSize) - 1)

bool	IsNewObject () const

bool	IsOldObject () const

uword	tags () const

uword	tags_ignore_race () const

bool	IsMarked () const

void	SetMarkBit ()

void	SetMarkBitUnsynchronized ()

void	SetMarkBitRelease ()

void	ClearMarkBit ()

void	ClearMarkBitUnsynchronized ()

DART_WARN_UNUSED_RESULT bool	TryAcquireMarkBit ()

bool	IsEvacuationCandidate ()

void	SetIsEvacuationCandidate ()

void	SetIsEvacuationCandidateUnsynchronized ()

void	ClearIsEvacuationCandidateUnsynchronized ()

bool	IsCanonical () const

void	SetCanonical ()

void	ClearCanonical ()

bool	IsImmutable () const

void	SetImmutable ()

void	ClearImmutable ()

bool	InVMIsolateHeap () const

bool	IsRemembered () const

bool	TryAcquireRememberedBit ()

void	ClearRememberedBit ()

void	ClearRememberedBitUnsynchronized ()

DART_FORCE_INLINE void	EnsureInRememberedSet (Thread *thread)

bool	IsCardRemembered () const

void	SetCardRememberedBitUnsynchronized ()

intptr_t	GetClassId () const

intptr_t	HeapSize () const

intptr_t	HeapSize (uword tags) const

bool	Contains (uword addr) const

void	Validate (IsolateGroup *isolate_group) const

intptr_t	VisitPointers (ObjectPointerVisitor *visitor)

template<class V >
DART_FORCE_INLINE intptr_t	VisitPointersNonvirtual (V *visitor)

void	VisitPointersPrecise (ObjectPointerVisitor *visitor)

Static Public Member Functions inherited from dart::UntaggedObject
static bool	IsMarked (uword tags)

static bool	IsEvacuationCandidate (uword tags)

static ObjectPtr	FromAddr (uword addr)

static uword	ToAddr (const UntaggedObject *raw_obj)

static uword	ToAddr (const ObjectPtr raw_obj)

static bool	IsCanonical (intptr_t value)

Static Public Attributes inherited from dart::UntaggedObject
static constexpr intptr_t	kGenerationalBarrierMask

static constexpr intptr_t	kIncrementalBarrierMask = 1 << kNotMarkedBit

static constexpr intptr_t	kBarrierOverlapShift = 2

Protected Member Functions inherited from dart::UntaggedObject
template<typename type , std::memory_order order = std::memory_order_relaxed>
type	LoadPointer (type const *addr) const

template<typename type , typename compressed_type , std::memory_order order = std::memory_order_relaxed>
type	LoadCompressedPointer (compressed_type const *addr) const

uword	heap_base () const

template<typename type , std::memory_order order = std::memory_order_relaxed>
void	StorePointer (type const *addr, type value)

template<typename type , typename compressed_type , std::memory_order order = std::memory_order_relaxed>
void	StoreCompressedPointer (compressed_type const *addr, type value)

template<typename type >
void	StorePointer (type const addr, type value, Thread thread)

template<typename type , typename compressed_type >
void	StoreCompressedPointer (compressed_type const addr, type value, Thread thread)

template<typename type >
void	StorePointerUnaligned (type const addr, type value, Thread thread)

template<typename type , std::memory_order order = std::memory_order_relaxed, typename value_type = type>
void	StoreArrayPointer (type const *addr, value_type value)

template<typename type , typename value_type = type>
void	StoreArrayPointer (type const addr, value_type value, Thread thread)

template<typename type , typename compressed_type , std::memory_order order>
void	StoreCompressedArrayPointer (compressed_type const *addr, type value)

template<typename type , typename compressed_type , std::memory_order order>
void	StoreCompressedArrayPointer (compressed_type const addr, type value, Thread thread)

template<typename type , typename compressed_type >
void	StoreCompressedArrayPointer (compressed_type const addr, type value, Thread thread)

template<typename type , typename compressed_type , std::memory_order order = std::memory_order_relaxed>
type	ExchangeCompressedPointer (compressed_type const *addr, type value)

template<std::memory_order order = std::memory_order_relaxed>
SmiPtr	LoadSmi (SmiPtr const *addr) const

template<std::memory_order order = std::memory_order_relaxed>
SmiPtr	LoadCompressedSmi (CompressedSmiPtr const *addr) const

template<typename type , std::memory_order order = std::memory_order_relaxed>
void	StoreSmi (type const *addr, type value)

template<std::memory_order order = std::memory_order_relaxed>
void	StoreCompressedSmi (CompressedSmiPtr const *addr, SmiPtr value)

Static Protected Member Functions inherited from dart::UntaggedObject
template<typename T >
static DART_FORCE_INLINE uword	from_offset ()

template<typename T >
static DART_FORCE_INLINE uword	to_offset (intptr_t length=0)

template<>
DART_FORCE_INLINE uword	from_offset ()

template<>
DART_FORCE_INLINE uword	to_offset (intptr_t length)

template<>
DART_FORCE_INLINE uword	to_offset (intptr_t length)

template<>
DART_FORCE_INLINE uword	to_offset (intptr_t length)

Static Protected Attributes inherited from dart::UntaggedObject
static constexpr bool	kContainsCompressedPointers = false

static constexpr bool	kContainsPointerFields = false

Detailed Description

Definition at line 2315 of file raw_object.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Enumerator
kKindPos
kKindSize
kIndexPos
kPayloadSize
kIndexSize
kIndexBias
kMaxIndex

Definition at line 2324 of file raw_object.h.

       {
    kKindPos = 0,
    kKindSize = 8,
    kIndexPos = kKindPos + kKindSize,
    // Since there are 24 bits for the stack slot index, Functions can have
    // only ~16.7 million stack slots.
    kPayloadSize = sizeof(int32_t) * kBitsPerByte,
    kIndexSize = kPayloadSize - kIndexPos,
    kIndexBias = 1 << (kIndexSize - 1),
    kMaxIndex = (1 << (kIndexSize - 1)) - 1,
  };

◆ VarInfoKind

enum dart::UntaggedLocalVarDescriptors::VarInfoKind

Enumerator
kStackVar
kContextVar
kContextLevel
kSavedCurrentContext

Definition at line 2317 of file raw_object.h.

                   {
    kStackVar = 1,
    kContextVar,
    kContextLevel,
    kSavedCurrentContext,
  };

Friends And Related Function Documentation

◆ Object

friend class Object

friend

Definition at line 2382 of file raw_object.h.

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

third_party/dart-lang/sdk/runtime/vm/raw_object.h

Classes

Public Types