#include <object.h>

Inheritance diagram for dart::Instructions:

Classes
class	SizeBits

Public Types
enum	{ kSizePos = 0 , kSizeSize = 30 , kFlagsPos = kSizePos + kSizeSize , kFlagsSize = kBitsPerInt32 - kSizeSize }

enum

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

enum class	NameDisambiguation { kYes , kNo }

using	UntaggedObjectType = UntaggedObject

using	ObjectPtrType = ObjectPtr

Public Member Functions
intptr_t	Size () const

uword	PayloadStart () const

uword	MonomorphicEntryPoint () const

uword	EntryPoint () const

bool	Equals (const Instructions &other) const

uint32_t	Hash () const

CodeStatistics *	stats () const

void	set_stats (CodeStatistics *stats) 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	Size (const InstructionsPtr instr)

static uword	PayloadStart (const InstructionsPtr instr)

static uword	MonomorphicEntryPoint (const InstructionsPtr instr)

static uword	EntryPoint (const InstructionsPtr instr)

static intptr_t	HeaderSize ()

static intptr_t	InstanceSize ()

static intptr_t	InstanceSize (intptr_t size)

static InstructionsPtr	FromPayloadStart (uword payload_start)

static bool	Equals (InstructionsPtr a, InstructionsPtr b)

static uint32_t	Hash (const InstructionsPtr instr)

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	kMaxElements

static constexpr intptr_t	kBarePayloadAlignment = 4

static constexpr intptr_t	kNonBarePayloadAlignment = kWordSize

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

static const ClassId	kClassId = kObjectCid

Friends
struct	RelocatorTestHelper

class	Class

class	Code

class	AssemblyImageWriter

class	BlobImageWriter

class	ImageWriter

Additional Inherited Members
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 5677 of file object.h.

Member Enumeration Documentation

◆ anonymous enum

anonymous enum

Enumerator
kSizePos
kSizeSize
kFlagsPos
kFlagsSize

Definition at line 5679 of file object.h.

       {
    kSizePos = 0,
    kSizeSize = 30,
    kFlagsPos = kSizePos + kSizeSize,
    kFlagsSize = kBitsPerInt32 - kSizeSize,
  };

◆ anonymous enum

anonymous enum

Definition at line 5690 of file object.h.

       {
#define DEFINE_INSTRUCTIONS_FLAG(Name) k##Name##Index,
    INSTRUCTIONS_FLAGS_LIST(DEFINE_INSTRUCTIONS_FLAG)
#undef DEFINE_INSTRUCTIONS_FLAG
  };

Member Function Documentation

◆ EntryPoint() [1/2]

uword dart::Instructions::EntryPoint ( ) const

inline

Definition at line 5718 of file object.h.

5718{ return EntryPoint(ptr()); }

dart::Instructions::EntryPoint

uword EntryPoint() const

Definition object.h:5718

dart::Object::ptr

ObjectPtr ptr() const

Definition object.h:332

◆ EntryPoint() [2/2]

static uword dart::Instructions::EntryPoint ( const InstructionsPtr instr )

inlinestatic

Definition at line 5768 of file object.h.

                                                       {
    uword entry = PayloadStart(instr);
    if (HasMonomorphicEntry(instr)) {
      entry += !FLAG_precompiled_mode ? kPolymorphicEntryOffsetJIT
                                      : kPolymorphicEntryOffsetAOT;
    }
    return entry;
  }

◆ Equals() [1/2]

bool dart::Instructions::Equals ( const Instructions & other ) const

inline

Definition at line 5825 of file object.h.

                                               {
    return Equals(ptr(), other.ptr());
  }

◆ Equals() [2/2]

static bool dart::Instructions::Equals	(	InstructionsPtr	a,
		InstructionsPtr	b
	)

inlinestatic

Definition at line 5829 of file object.h.

                                                           {
    // This method should only be called on non-null Instructions objects.
    ASSERT_EQUAL(a->GetClassId(), kInstructionsCid);
    ASSERT_EQUAL(b->GetClassId(), kInstructionsCid);
    // Don't include the object header tags wholesale in the comparison,
    // because the GC tags may differ in JIT mode. In fact, we can skip checking
    // the object header entirely, as we're guaranteed that the cids match,
    // because there are no subclasses for the Instructions class, and the sizes
    // should match if the content size encoded in size_and_flags_ matches.
    if (a->untag()->size_and_flags_ != b->untag()->size_and_flags_) {
      return false;
    }
    NoSafepointScope no_safepoint;
    return memcmp(a->untag()->data(), b->untag()->data(), Size(a)) == 0;
  }

◆ FromPayloadStart()

static InstructionsPtr dart::Instructions::FromPayloadStart ( uword payload_start )

inlinestatic

Definition at line 5817 of file object.h.

                                                               {
#if defined(DART_PRECOMPILED_RUNTIME)
    UNREACHABLE();
#endif
    return static_cast<InstructionsPtr>(payload_start - HeaderSize() +
                                        kHeapObjectTag);
  }

◆ Hash() [1/2]

uint32_t dart::Instructions::Hash ( ) const

inline

Definition at line 5845 of file object.h.

5845{ return Hash(ptr()); }

dart::Instructions::Hash

uint32_t Hash() const

Definition object.h:5845

◆ Hash() [2/2]

static uint32_t dart::Instructions::Hash ( const InstructionsPtr instr )

inlinestatic

Definition at line 5847 of file object.h.

                                                    {
    return HashBytes(reinterpret_cast<const uint8_t*>(PayloadStart(instr)),
                     Size(instr));
  }

◆ HeaderSize()

static intptr_t dart::Instructions::HeaderSize ( )

inlinestatic

Definition at line 5796 of file object.h.

                               {
#if defined(DART_PRECOMPILED_RUNTIME)
    UNREACHABLE();
#endif
    return Utils::RoundUp(sizeof(UntaggedInstructions),
                          kNonBarePayloadAlignment);
  }

◆ InstanceSize() [1/2]

static intptr_t dart::Instructions::InstanceSize ( )

inlinestatic

Definition at line 5804 of file object.h.

                                 {
    ASSERT_EQUAL(sizeof(UntaggedInstructions),
                 OFFSET_OF_RETURNED_VALUE(UntaggedInstructions, data));
    return 0;
  }

◆ InstanceSize() [2/2]

static intptr_t dart::Instructions::InstanceSize ( intptr_t size )

inlinestatic

Definition at line 5810 of file object.h.

                                              {
#if defined(DART_PRECOMPILED_RUNTIME)
    UNREACHABLE();
#endif
    return RoundedAllocationSize(HeaderSize() + size);
  }

◆ MonomorphicEntryPoint() [1/2]

uword dart::Instructions::MonomorphicEntryPoint ( ) const

inline

Definition at line 5717 of file object.h.

5717{ return MonomorphicEntryPoint(ptr()); }

dart::Instructions::MonomorphicEntryPoint

uword MonomorphicEntryPoint() const

Definition object.h:5717

◆ MonomorphicEntryPoint() [2/2]

static uword dart::Instructions::MonomorphicEntryPoint ( const InstructionsPtr instr )

inlinestatic

Definition at line 5759 of file object.h.

                                                                  {
    uword entry = PayloadStart(instr);
    if (HasMonomorphicEntry(instr)) {
      entry += !FLAG_precompiled_mode ? kMonomorphicEntryOffsetJIT
                                      : kMonomorphicEntryOffsetAOT;
    }
    return entry;
  }

◆ PayloadStart() [1/2]

uword dart::Instructions::PayloadStart ( ) const

inline

Definition at line 5716 of file object.h.

5716{ return PayloadStart(ptr()); }

◆ PayloadStart() [2/2]

static uword dart::Instructions::PayloadStart ( const InstructionsPtr instr )

inlinestatic

Definition at line 5719 of file object.h.

                                                         {
    return reinterpret_cast<uword>(instr->untag()) + HeaderSize();
  }

◆ set_stats()

void dart::Instructions::set_stats ( CodeStatistics * stats ) const

Definition at line 15533 of file object.cc.

                                                        {
#if defined(DART_PRECOMPILER)
  Thread::Current()->heap()->SetPeer(ptr(), stats);
#endif
}

◆ Size() [1/2]

intptr_t dart::Instructions::Size ( ) const

inline

Definition at line 5711 of file object.h.

5711{ return SizeBits::decode(untag()->size_and_flags_); }

dart::BitField< uint32_t, uint32_t, kSizePos, kSizeSize >::decode

static constexpr uint32_t decode(uint32_t value)

Definition bitfield.h:173

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

◆ Size() [2/2]

static intptr_t dart::Instructions::Size ( const InstructionsPtr instr )

inlinestatic

Definition at line 5712 of file object.h.

                                                    {
    return SizeBits::decode(instr->untag()->size_and_flags_);
  }

◆ stats()

CodeStatistics * dart::Instructions::stats ( ) const

Definition at line 15524 of file object.cc.

                                          {
#if defined(DART_PRECOMPILER)
  return reinterpret_cast<CodeStatistics*>(
      Thread::Current()->heap()->GetPeer(ptr()));
#else
  return nullptr;
#endif
}

Friends And Related Symbol Documentation

◆ AssemblyImageWriter

friend class AssemblyImageWriter

friend

Definition at line 5885 of file object.h.

◆ BlobImageWriter

friend class BlobImageWriter

friend

Definition at line 5886 of file object.h.

◆ Class

friend class Class

friend

Definition at line 5883 of file object.h.

◆ Code

friend class Code

friend

Definition at line 5884 of file object.h.

◆ ImageWriter

friend class ImageWriter

friend

Definition at line 5887 of file object.h.

◆ RelocatorTestHelper

friend struct RelocatorTestHelper

friend

Definition at line 5856 of file object.h.

Member Data Documentation

◆ kBarePayloadAlignment

constexpr intptr_t dart::Instructions::kBarePayloadAlignment = 4

staticconstexpr

Definition at line 5786 of file object.h.

◆ kMaxElements

constexpr intptr_t dart::Instructions::kMaxElements

staticconstexpr

Initial value:

=
      (kMaxInt32 - (sizeof(UntaggedInstructions) + sizeof(UntaggedObject) +
                    (2 * kObjectStartAlignment)))

Definition at line 5777 of file object.h.

◆ kNonBarePayloadAlignment

constexpr intptr_t dart::Instructions::kNonBarePayloadAlignment = kWordSize

staticconstexpr

Definition at line 5790 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

Classes

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes

Friends

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ anonymous enum

◆ anonymous enum

Member Function Documentation

◆ EntryPoint() [1/2]

◆ EntryPoint() [2/2]

◆ Equals() [1/2]

◆ Equals() [2/2]

◆ FromPayloadStart()

◆ Hash() [1/2]

◆ Hash() [2/2]

◆ HeaderSize()

◆ InstanceSize() [1/2]

◆ InstanceSize() [2/2]

◆ MonomorphicEntryPoint() [1/2]

◆ MonomorphicEntryPoint() [2/2]

◆ PayloadStart() [1/2]

◆ PayloadStart() [2/2]

◆ set_stats()

◆ Size() [1/2]

◆ Size() [2/2]

◆ stats()

Friends And Related Symbol Documentation

◆ AssemblyImageWriter

◆ BlobImageWriter

◆ Class

◆ Code

◆ ImageWriter

◆ RelocatorTestHelper

Member Data Documentation

◆ kBarePayloadAlignment

◆ kMaxElements

◆ kNonBarePayloadAlignment