#include <object.h>

Inheritance diagram for dart::SuspendState:

Public Member Functions
uword	pc () const

intptr_t	frame_size () const

InstancePtr	function_data () const

ClosurePtr	then_callback () const

ClosurePtr	error_callback () const

CodePtr	GetCodeObject () const

Public Member Functions inherited from dart::Instance
virtual bool	OperatorEquals (const Instance &other) const

bool	IsIdenticalTo (const Instance &other) const

virtual bool	CanonicalizeEquals (const Instance &other) const

virtual uint32_t	CanonicalizeHash () const

intptr_t	SizeFromClass () const

InstancePtr	Canonicalize (Thread *thread) const

virtual InstancePtr	CanonicalizeLocked (Thread *thread) const

virtual void	CanonicalizeFieldsLocked (Thread *thread) const

InstancePtr	CopyShallowToOldSpace (Thread *thread) const

ObjectPtr	GetField (const Field &field) const

void	SetField (const Field &field, const Object &value) const

AbstractTypePtr	GetType (Heap::Space space) const

virtual TypeArgumentsPtr	GetTypeArguments () const

virtual void	SetTypeArguments (const TypeArguments &value) const

bool	IsInstanceOf (const AbstractType &other, const TypeArguments &other_instantiator_type_arguments, const TypeArguments &other_function_type_arguments) const

bool	IsAssignableTo (const AbstractType &other, const TypeArguments &other_instantiator_type_arguments, const TypeArguments &other_function_type_arguments) const

bool	IsValidNativeIndex (int index) const

intptr_t *	NativeFieldsDataAddr () const

intptr_t	GetNativeField (int index) const

void	GetNativeFields (uint16_t num_fields, intptr_t *field_values) const

void	SetNativeFields (uint16_t num_fields, const intptr_t *field_values) const

uint16_t	NumNativeFields () const

void	SetNativeField (int index, intptr_t value) const

bool	IsCallable (Function *function) const

ObjectPtr	Invoke (const String &selector, const Array &arguments, const Array &argument_names, bool respect_reflectable=true, bool check_is_entrypoint=false) const

ObjectPtr	InvokeGetter (const String &selector, bool respect_reflectable=true, bool check_is_entrypoint=false) const

ObjectPtr	InvokeSetter (const String &selector, const Instance &argument, bool respect_reflectable=true, bool check_is_entrypoint=false) const

ObjectPtr	EvaluateCompiledExpression (const Class &klass, const ExternalTypedData &kernel_buffer, const Array &type_definitions, const Array &arguments, const TypeArguments &type_arguments) const

virtual ObjectPtr	HashCode () const

IntegerPtr	IdentityHashCode (Thread *thread) const

virtual bool	IsPointer () const

Public Member Functions inherited from dart::Object
virtual	~Object ()

ObjectPtr	ptr () const

void	operator= (ObjectPtr value)

bool	IsCanonical () const

void	SetCanonical () const

void	ClearCanonical () const

bool	IsImmutable () const

void	SetImmutable () const

void	ClearImmutable () const

intptr_t	GetClassId () const

ClassPtr	clazz () const

	CLASS_LIST_FOR_HANDLES (DEFINE_CLASS_TESTER)

bool	IsNull () const

virtual const char *	ToCString () const

void	PrintJSON (JSONStream *stream, bool ref=true) const

virtual void	PrintJSONImpl (JSONStream *stream, bool ref) const

void	PrintImplementationFields (JSONStream *stream) const

virtual void	PrintImplementationFieldsImpl (const JSONArray &jsarr_fields) const

virtual const char *	JSONType () const

virtual StringPtr	DictionaryName () const

bool	IsNew () const

bool	IsOld () const

bool	InVMIsolateHeap () const

void	Print () const

Static Public Member Functions
static intptr_t	HeaderSize ()

static intptr_t	UnroundedSize (SuspendStatePtr ptr)

static intptr_t	UnroundedSize (intptr_t frame_capacity)

static intptr_t	InstanceSize ()

static intptr_t	InstanceSize (intptr_t frame_capacity)

static intptr_t	FrameSizeGrowthGap ()

static intptr_t	frame_capacity_offset ()

static intptr_t	frame_size_offset ()

static intptr_t	pc_offset ()

static intptr_t	function_data_offset ()

static intptr_t	then_callback_offset ()

static intptr_t	error_callback_offset ()

static intptr_t	payload_offset ()

static SuspendStatePtr	New (intptr_t frame_size, const Instance &function_data, Heap::Space space=Heap::kNew)

static SuspendStatePtr	Clone (Thread *thread, const SuspendState &src, Heap::Space space=Heap::kNew)

Static Public Member Functions inherited from dart::Instance
static bool	NullIsAssignableTo (const AbstractType &other)

static bool	NullIsAssignableTo (const AbstractType &other, const TypeArguments &other_instantiator_type_arguments, const TypeArguments &other_function_type_arguments)

static ObjectPtr	EvaluateCompiledExpression (Thread *thread, const Object &receiver, const Library &library, const Class &klass, const ExternalTypedData &kernel_buffer, const Array &type_definitions, const Array &param_values, const TypeArguments &type_param_values)

static intptr_t	UnroundedSize ()

static intptr_t	InstanceSize ()

static InstancePtr	New (const Class &cls, Heap::Space space=Heap::kNew)

static InstancePtr	NewAlreadyFinalized (const Class &cls, Heap::Space space=Heap::kNew)

static intptr_t	DataOffsetFor (intptr_t cid)

static intptr_t	ElementSizeFor (intptr_t cid)

static intptr_t	NextFieldOffset ()

static intptr_t	NativeFieldsOffset ()

Static Public Member Functions inherited from dart::Object
static ObjectPtr	RawCast (ObjectPtr obj)

static constexpr bool	ContainsCompressedPointers ()

static intptr_t	tags_offset ()

static Object &	Handle ()

static Object &	Handle (Zone *zone)

static Object &	Handle (ObjectPtr ptr)

static Object &	Handle (Zone *zone, ObjectPtr ptr)

static Object &	ZoneHandle ()

static Object &	ZoneHandle (Zone *zone)

static Object &	ZoneHandle (ObjectPtr ptr)

static Object &	ZoneHandle (Zone *zone, ObjectPtr ptr)

static Object *	ReadOnlyHandle ()

static ObjectPtr	null ()

static void	set_vm_isolate_snapshot_object_table (const Array &table)

static ClassPtr	class_class ()

static ClassPtr	dynamic_class ()

static ClassPtr	void_class ()

static ClassPtr	type_parameters_class ()

static ClassPtr	type_arguments_class ()

static ClassPtr	patch_class_class ()

static ClassPtr	function_class ()

static ClassPtr	closure_data_class ()

static ClassPtr	ffi_trampoline_data_class ()

static ClassPtr	field_class ()

static ClassPtr	script_class ()

static ClassPtr	library_class ()

static ClassPtr	namespace_class ()

static ClassPtr	kernel_program_info_class ()

static ClassPtr	code_class ()

static ClassPtr	instructions_class ()

static ClassPtr	instructions_section_class ()

static ClassPtr	instructions_table_class ()

static ClassPtr	object_pool_class ()

static ClassPtr	pc_descriptors_class ()

static ClassPtr	code_source_map_class ()

static ClassPtr	compressed_stackmaps_class ()

static ClassPtr	var_descriptors_class ()

static ClassPtr	exception_handlers_class ()

static ClassPtr	context_class ()

static ClassPtr	context_scope_class ()

static ClassPtr	sentinel_class ()

static ClassPtr	api_error_class ()

static ClassPtr	language_error_class ()

static ClassPtr	unhandled_exception_class ()

static ClassPtr	unwind_error_class ()

static ClassPtr	singletargetcache_class ()

static ClassPtr	unlinkedcall_class ()

static ClassPtr	monomorphicsmiablecall_class ()

static ClassPtr	icdata_class ()

static ClassPtr	megamorphic_cache_class ()

static ClassPtr	subtypetestcache_class ()

static ClassPtr	loadingunit_class ()

static ClassPtr	weak_serialization_reference_class ()

static ClassPtr	weak_array_class ()

static void	InitNullAndBool (IsolateGroup *isolate_group)

static void	Init (IsolateGroup *isolate_group)

static void	InitVtables ()

static void	FinishInit (IsolateGroup *isolate_group)

static void	FinalizeVMIsolate (IsolateGroup *isolate_group)

static void	FinalizeReadOnlyObject (ObjectPtr object)

static void	Cleanup ()

static ErrorPtr	Init (IsolateGroup isolate_group, const uint8_t kernel_buffer, intptr_t kernel_buffer_size)

static void	MakeUnusedSpaceTraversable (const Object &obj, intptr_t original_size, intptr_t used_size)

static intptr_t	InstanceSize ()

template<class FakeObject >
static void	VerifyBuiltinVtable (intptr_t cid)

static void	VerifyBuiltinVtables ()

static bool	ShouldHaveImmutabilityBitSet (classid_t class_id)

Static Public Attributes
static constexpr intptr_t	kSuspendStateVarIndex = 0

Static Public Attributes inherited from dart::Object
static constexpr intptr_t	kHashBits = 30

static const ClassId	kClassId = kObjectCid

Friends
class	Class

Additional Inherited Members
Public Types inherited from dart::Object
enum	NameVisibility { kInternalName = 0 , kScrubbedName , kUserVisibleName }

enum class	NameDisambiguation { kYes , kNo }

using	UntaggedObjectType = UntaggedObject

using	ObjectPtrType = ObjectPtr

Protected Member Functions inherited from dart::Instance
virtual void	PrintSharedInstanceJSON (JSONObject *jsobj, bool ref, bool include_id=true) const

Protected Member Functions inherited from dart::Object
	Object ()

uword	raw_value () const

void	setPtr (ObjectPtr value, intptr_t default_cid)

void	CheckHandle () const

cpp_vtable	vtable () const

void	set_vtable (cpp_vtable value)

bool	Contains (uword addr) const

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

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

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

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

void	StoreSmi (SmiPtr const *addr, SmiPtr value) const

template<typename FieldType >
void	StoreSimd128 (const FieldType *addr, simd128_value_t value) const

template<typename FieldType >
FieldType	LoadNonPointer (const FieldType *addr) const

template<typename FieldType , std::memory_order order>
FieldType	LoadNonPointer (const FieldType *addr) const

template<typename FieldType , typename ValueType >
void	StoreNonPointer (const FieldType *addr, ValueType value) const

template<typename FieldType , typename ValueType , std::memory_order order>
void	StoreNonPointer (const FieldType *addr, ValueType value) const

template<typename FieldType >
FieldType *	UnsafeMutableNonPointer (const FieldType *addr) const

	CLASS_LIST (STORE_NON_POINTER_ILLEGAL_TYPE)

void	UnimplementedMethod () const

void	AddCommonObjectProperties (JSONObject jsobj, const char protocol_type, bool ref) const

Static Protected Member Functions inherited from dart::Object
static DART_NOINLINE Object &	HandleImpl (Zone *zone, ObjectPtr ptr, intptr_t default_cid)

static DART_NOINLINE Object &	ZoneHandleImpl (Zone *zone, ObjectPtr ptr, intptr_t default_cid)

static DART_NOINLINE Object *	ReadOnlyHandleImpl (intptr_t cid)

static ObjectPtr	Allocate (intptr_t cls_id, intptr_t size, Heap::Space space, bool compressed, uword ptr_field_start_offset, uword ptr_field_end_offset)

template<typename T >
static DART_FORCE_INLINE T::ObjectPtrType	Allocate (Heap::Space space)

template<typename T >
static DART_FORCE_INLINE T::ObjectPtrType	Allocate (Heap::Space space, intptr_t elements)

template<typename T >
static DART_FORCE_INLINE T::ObjectPtrType	AllocateVariant (intptr_t class_id, Heap::Space space)

template<typename T >
static DART_FORCE_INLINE T::ObjectPtrType	AllocateVariant (intptr_t class_id, Heap::Space space, intptr_t elements)

static constexpr intptr_t	RoundedAllocationSize (intptr_t size)

static ObjectPtr	Clone (const Object &orig, Heap::Space space, bool load_with_relaxed_atomics=false)

template<typename T >
static DART_FORCE_INLINE uword	from_offset ()

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

Protected Attributes inherited from dart::Object
ObjectPtr	ptr_

Detailed Description

Definition at line 12588 of file object.h.

Member Function Documentation

◆ Clone()

SuspendStatePtr dart::SuspendState::Clone	(	Thread *	thread,
		const SuspendState &	src,
		Heap::Space	space = `Heap::kNew`
	)

static

Definition at line 26611 of file object.cc.

                                                     {
  ASSERT(src.pc() != 0);
  Zone* zone = thread->zone();
  const intptr_t frame_size = src.frame_size();
  const SuspendState& dst = SuspendState::Handle(
      zone,
      SuspendState::New(frame_size, Instance::Handle(zone, src.function_data()),
                        space));
  dst.set_then_callback(Closure::Handle(zone, src.then_callback()));
  dst.set_error_callback(Closure::Handle(zone, src.error_callback()));
  {
    NoSafepointScope no_safepoint;
    memmove(dst.payload(), src.payload(), frame_size);
    // Update value of :suspend_state variable in the copied frame.
    const uword fp = reinterpret_cast<uword>(dst.payload() + frame_size);
    *reinterpret_cast<ObjectPtr*>(
        LocalVarAddress(fp, runtime_frame_layout.FrameSlotForVariableIndex(
                                kSuspendStateVarIndex))) = dst.ptr();
    dst.set_pc(src.pc());
    // Trigger write barrier if needed.
    if (dst.ptr()->IsOldObject()) {
      dst.untag()->EnsureInRememberedSet(thread);
    }
    if (thread->is_marking()) {
      thread->DeferredMarkingStackAddObject(dst.ptr());
    }
  }
  return dst.ptr();
}

◆ error_callback()

ClosurePtr dart::SuspendState::error_callback ( ) const

inline

Definition at line 12655 of file object.h.

12655{ return untag()->error_callback(); }

dart::untag

raw_obj untag() -> num_entries()) VARIABLE_COMPRESSED_VISITOR(Array, Smi::Value(raw_obj->untag() ->length())) VARIABLE_COMPRESSED_VISITOR(TypedData, TypedData::ElementSizeInBytes(raw_obj->GetClassId()) *Smi::Value(raw_obj->untag() ->length())) VARIABLE_COMPRESSED_VISITOR(Record, RecordShape(raw_obj->untag() ->shape()).num_fields()) VARIABLE_NULL_VISITOR(CompressedStackMaps, CompressedStackMaps::PayloadSizeOf(raw_obj)) VARIABLE_NULL_VISITOR(OneByteString, Smi::Value(raw_obj->untag() ->length())) VARIABLE_NULL_VISITOR(TwoByteString, Smi::Value(raw_obj->untag() ->length())) intptr_t UntaggedField::VisitFieldPointers(FieldPtr raw_obj, ObjectPointerVisitor *visitor)

Definition raw_object.cc:562

◆ error_callback_offset()

static intptr_t dart::SuspendState::error_callback_offset ( )

inlinestatic

Definition at line 12630 of file object.h.

                                          {
    return OFFSET_OF(UntaggedSuspendState, error_callback_);
  }

◆ frame_capacity_offset()

static intptr_t dart::SuspendState::frame_capacity_offset ( )

inlinestatic

Definition at line 12616 of file object.h.

                                          {
    return OFFSET_OF(UntaggedSuspendState, frame_capacity_);
  }

◆ frame_size()

intptr_t dart::SuspendState::frame_size ( ) const

inline

Definition at line 12649 of file object.h.

12649{ return untag()->frame_size_; }

◆ frame_size_offset()

static intptr_t dart::SuspendState::frame_size_offset ( )

inlinestatic

Definition at line 12620 of file object.h.

                                      {
    return OFFSET_OF(UntaggedSuspendState, frame_size_);
  }

◆ FrameSizeGrowthGap()

static intptr_t dart::SuspendState::FrameSizeGrowthGap ( )

inlinestatic

Definition at line 12611 of file object.h.

                                       {
    return ONLY_IN_PRECOMPILED(0) NOT_IN_PRECOMPILED(2);
  }

◆ function_data()

InstancePtr dart::SuspendState::function_data ( ) const

inline

Definition at line 12651 of file object.h.

12651{ return untag()->function_data(); }

◆ function_data_offset()

static intptr_t dart::SuspendState::function_data_offset ( )

inlinestatic

Definition at line 12624 of file object.h.

                                         {
    return OFFSET_OF(UntaggedSuspendState, function_data_);
  }

◆ GetCodeObject()

CodePtr dart::SuspendState::GetCodeObject ( ) const

Definition at line 26675 of file object.cc.

                                          {
  ASSERT(pc() != 0);
#if defined(DART_PRECOMPILED_RUNTIME)
  NoSafepointScope no_safepoint;
  CodePtr code = ReversePc::Lookup(IsolateGroup::Current(), pc(),
                                   /*is_return_address=*/true);
  ASSERT(code != Code::null());
  return code;
#else
  ObjectPtr code = *(reinterpret_cast<ObjectPtr*>(
      untag()->payload() + untag()->frame_size_ +
      runtime_frame_layout.code_from_fp * kWordSize));
  return Code::RawCast(code);
#endif  // defined(DART_PRECOMPILED_RUNTIME)
}

◆ HeaderSize()

static intptr_t dart::SuspendState::HeaderSize ( )

inlinestatic

Definition at line 12593 of file object.h.

12593{ return sizeof(UntaggedSuspendState); }

◆ InstanceSize() [1/2]

static intptr_t dart::SuspendState::InstanceSize ( )

inlinestatic

Definition at line 12600 of file object.h.

                                 {
    ASSERT_EQUAL(sizeof(UntaggedSuspendState),
                 OFFSET_OF_RETURNED_VALUE(UntaggedSuspendState, payload));
    return 0;
  }

◆ InstanceSize() [2/2]

static intptr_t dart::SuspendState::InstanceSize ( intptr_t frame_capacity )

inlinestatic

Definition at line 12605 of file object.h.

                                                        {
    return RoundedAllocationSize(UnroundedSize(frame_capacity));
  }

◆ New()

SuspendStatePtr dart::SuspendState::New	(	intptr_t	frame_size,
		const Instance &	function_data,
		Heap::Space	space = `Heap::kNew`
	)

static

Definition at line 26587 of file object.cc.

                                                   {
  ASSERT(frame_size >= 0);
  const intptr_t num_elements = frame_size + SuspendState::FrameSizeGrowthGap();
#if !defined(DART_PRECOMPILED_RUNTIME)
  // Include heap object alignment overhead into the frame capacity.
  const intptr_t instance_size = SuspendState::InstanceSize(num_elements);
  const intptr_t frame_capacity =
      instance_size - SuspendState::payload_offset();
  ASSERT(SuspendState::InstanceSize(frame_capacity) == instance_size);
  ASSERT(frame_size <= frame_capacity);
#endif
  auto raw = Object::Allocate<SuspendState>(space, num_elements);
  NoSafepointScope no_safepoint;
  ASSERT_EQUAL(raw->untag()->pc_, 0);
#if !defined(DART_PRECOMPILED_RUNTIME)
  raw->untag()->frame_capacity_ = frame_capacity;
#endif
  raw->untag()->frame_size_ = frame_size;
  raw->untag()->set_function_data(function_data.ptr());
  return raw;
}

◆ payload_offset()

static intptr_t dart::SuspendState::payload_offset ( )

inlinestatic

Definition at line 12633 of file object.h.

                                   {
    return UntaggedSuspendState::payload_offset();
  }

◆ pc()

uword dart::SuspendState::pc ( ) const

inline

Definition at line 12647 of file object.h.

12647{ return untag()->pc_; }

◆ pc_offset()

static intptr_t dart::SuspendState::pc_offset ( )

inlinestatic

Definition at line 12623 of file object.h.

12623{ return OFFSET_OF(UntaggedSuspendState, pc_); }

◆ then_callback()

ClosurePtr dart::SuspendState::then_callback ( ) const

inline

Definition at line 12653 of file object.h.

12653{ return untag()->then_callback(); }

◆ then_callback_offset()

static intptr_t dart::SuspendState::then_callback_offset ( )

inlinestatic

Definition at line 12627 of file object.h.

                                         {
    return OFFSET_OF(UntaggedSuspendState, then_callback_);
  }

◆ UnroundedSize() [1/2]

static intptr_t dart::SuspendState::UnroundedSize ( intptr_t frame_capacity )

inlinestatic

Definition at line 12597 of file object.h.

                                                         {
    return HeaderSize() + frame_capacity;
  }

◆ UnroundedSize() [2/2]

static intptr_t dart::SuspendState::UnroundedSize ( SuspendStatePtr ptr )

inlinestatic

Definition at line 12594 of file object.h.

                                                     {
    return UnroundedSize(ptr->untag()->frame_capacity());
  }

Friends And Related Symbol Documentation

◆ Class

friend class Class

friend

Definition at line 12673 of file object.h.

Member Data Documentation

◆ kSuspendStateVarIndex

constexpr intptr_t dart::SuspendState::kSuspendStateVarIndex = 0

staticconstexpr

Definition at line 12591 of file object.h.

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

third_party/dart-lang/sdk/runtime/vm/object.h
third_party/dart-lang/sdk/runtime/vm/object.cc

Public Member Functions

Static Public Member Functions

Static Public Attributes

Friends

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ Clone()

◆ error_callback()

◆ error_callback_offset()

◆ frame_capacity_offset()

◆ frame_size()

◆ frame_size_offset()

◆ FrameSizeGrowthGap()

◆ function_data()

◆ function_data_offset()

◆ GetCodeObject()

◆ HeaderSize()

◆ InstanceSize() [1/2]

◆ InstanceSize() [2/2]

◆ New()

◆ payload_offset()

◆ pc()

◆ pc_offset()

◆ then_callback()

◆ then_callback_offset()

◆ UnroundedSize() [1/2]

◆ UnroundedSize() [2/2]

Friends And Related Symbol Documentation

◆ Class

Member Data Documentation

◆ kSuspendStateVarIndex