#include <object.h>

Inheritance diagram for dart::InstructionsTable:

Public Member Functions
void	SetCodeAt (intptr_t index, CodePtr code) const

bool	ContainsPc (uword pc) const

const UntaggedInstructionsTable::Data *	rodata () const

uword	PayloadStartAt (intptr_t index) const

uword	EntryPointAt (intptr_t index) 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	InstanceSize ()

static InstructionsTablePtr	New (intptr_t length, uword start_pc, uword end_pc, uword rodata)

static bool	ContainsPc (InstructionsTablePtr table, uword pc)

static CodePtr	FindCode (InstructionsTablePtr table, uword pc)

static const UntaggedCompressedStackMaps::Payload *	FindStackMap (InstructionsTablePtr table, uword pc, uword *start_pc)

static const UntaggedCompressedStackMaps::Payload *	GetCanonicalStackMap (InstructionsTablePtr table)

static uword	PayloadStartAt (InstructionsTablePtr table, intptr_t index)

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)

Friends
class	Class

class	Deserializer

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

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

static const ClassId	kClassId = kObjectCid

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 5940 of file object.h.

Member Function Documentation

◆ ContainsPc() [1/2]

bool dart::InstructionsTable::ContainsPc	(	InstructionsTablePtr	table,
		uword	pc
	)

static

Definition at line 15592 of file object.cc.

                                                                       {
  return (InstructionsTable::start_pc(table) <= pc) &&
         (pc < InstructionsTable::end_pc(table));
}

◆ ContainsPc() [2/2]

bool dart::InstructionsTable::ContainsPc ( uword pc ) const

inline

Definition at line 5951 of file object.h.

5951{ return ContainsPc(ptr(), pc); }

dart::InstructionsTable::ContainsPc

bool ContainsPc(uword pc) const

Definition object.h:5951

dart::Object::ptr

ObjectPtr ptr() const

Definition object.h:332

◆ EntryPointAt()

uword dart::InstructionsTable::EntryPointAt ( intptr_t index ) const

Definition at line 15688 of file object.cc.

                                                               {
  ASSERT(0 <= code_index);
  ASSERT(code_index < static_cast<intptr_t>(rodata()->length));
  return InstructionsTable::start_pc(this->ptr()) +
         rodata()->entries()[code_index].pc_offset;
}

◆ FindCode()

CodePtr dart::InstructionsTable::FindCode	(	InstructionsTablePtr	table,
		uword	pc
	)

static

Definition at line 15657 of file object.cc.

                                                                        {
  // This can run in the middle of GC and must not allocate handles.
  NoSafepointScope no_safepoint;
  if (!InstructionsTable::ContainsPc(table, pc)) return Code::null();
 
  const auto rodata = table.untag()->rodata_;
 
  const auto pc_offset = InstructionsTable::ConvertPcToOffset(table, pc);
 
  if (pc_offset <= rodata->entries()[rodata->first_entry_with_code].pc_offset) {
    return StubCode::UnknownDartCode().ptr();
  }
 
  const auto idx =
      FindEntry(table, pc, table.untag()->rodata_->first_entry_with_code);
  if (idx != -1) {
    const intptr_t code_index = idx - rodata->first_entry_with_code;
    ASSERT(code_index >= 0);
    ASSERT(code_index <
           Smi::Value(table.untag()->code_objects()->untag()->length()));
    ObjectPtr result =
        table.untag()->code_objects()->untag()->element(code_index);
    ASSERT(result->IsCode());
    // Note: can't use Code::RawCast(...) here because it allocates handles
    // in DEBUG mode.
    return static_cast<CodePtr>(result);
  }
 
  return Code::null();
}

◆ FindStackMap()

const UntaggedCompressedStackMaps::Payload * dart::InstructionsTable::FindStackMap	(	InstructionsTablePtr	table,
		uword	pc,
		uword *	start_pc
	)

static

Definition at line 15641 of file object.cc.

                     {
  // This can run in the middle of GC and must not allocate handles.
  NoSafepointScope no_safepoint;
  const intptr_t idx = FindEntry(table, pc);
  if (idx != -1) {
    const auto rodata = table.untag()->rodata_;
    const auto entries = rodata->entries();
    *start_pc = InstructionsTable::start_pc(table) + entries[idx].pc_offset;
    return rodata->StackMapAt(entries[idx].stack_map_offset);
  }
  return nullptr;
}

◆ GetCanonicalStackMap()

const UntaggedCompressedStackMaps::Payload * dart::InstructionsTable::GetCanonicalStackMap ( InstructionsTablePtr table )

static

Definition at line 15634 of file object.cc.

                                                                  {
  const auto rodata = table.untag()->rodata_;
  return rodata->canonical_stack_map_entries_offset != 0
             ? rodata->StackMapAt(rodata->canonical_stack_map_entries_offset)
             : nullptr;
}

◆ InstanceSize()

static intptr_t dart::InstructionsTable::InstanceSize ( )

inlinestatic

Definition at line 5942 of file object.h.

5942{ return sizeof(UntaggedInstructionsTable); }

◆ New()

InstructionsTablePtr dart::InstructionsTable::New	(	intptr_t	length,
		uword	start_pc,
		uword	end_pc,
		uword	rodata
	)

static

Definition at line 15565 of file object.cc.

                                                          {
  ASSERT(Object::instructions_table_class() != Class::null());
  ASSERT(length >= 0);
  ASSERT(start_pc <= end_pc);
  auto* const zone = Thread::Current()->zone();
  const Array& code_objects =
      (length == 0) ? Object::empty_array()
                    : Array::Handle(zone, Array::New(length, Heap::kOld));
  const auto& result = InstructionsTable::Handle(
      zone, Object::Allocate<InstructionsTable>(Heap::kOld));
  result.set_code_objects(code_objects);
  result.set_length(length);
  result.set_start_pc(start_pc);
  result.set_end_pc(end_pc);
  result.set_rodata(rodata);
  return result.ptr();
}

◆ PayloadStartAt() [1/2]

static uword dart::InstructionsTable::PayloadStartAt	(	InstructionsTablePtr	table,
		intptr_t	index
	)

static

◆ PayloadStartAt() [2/2]

uword dart::InstructionsTable::PayloadStartAt ( intptr_t index ) const

inline

Definition at line 5967 of file object.h.

                                             {
    return InstructionsTable::PayloadStartAt(this->ptr(), index);
  }

◆ rodata()

const UntaggedInstructionsTable::Data * dart::InstructionsTable::rodata ( ) const

inline

Definition at line 5962 of file object.h.

                                                      {
    return ptr()->untag()->rodata_;
  }

◆ SetCodeAt()

void dart::InstructionsTable::SetCodeAt	(	intptr_t	index,
		CodePtr	code
	)		const

Definition at line 15586 of file object.cc.

                                                                    {
  ASSERT((0 <= index) &&
         (index < Smi::Value(code_objects()->untag()->length())));
  code_objects()->untag()->set_element(index, code);
}

Friends And Related Symbol Documentation

◆ Class

friend class Class

friend

Definition at line 6004 of file object.h.

◆ Deserializer

friend class Deserializer

friend

Definition at line 6005 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

Friends

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ ContainsPc() [1/2]

◆ ContainsPc() [2/2]

◆ EntryPointAt()

◆ FindCode()

◆ FindStackMap()

◆ GetCanonicalStackMap()

◆ InstanceSize()

◆ New()

◆ PayloadStartAt() [1/2]

◆ PayloadStartAt() [2/2]

◆ rodata()

◆ SetCodeAt()

Friends And Related Symbol Documentation

◆ Class

◆ Deserializer