dart::CodeDeserializationCluster Class Reference

Inheritance diagram for dart::CodeDeserializationCluster:

Public Member Functions
	CodeDeserializationCluster ()
	~CodeDeserializationCluster ()
void	ReadAlloc (Deserializer *d) override
void	ReadAllocOneCode (Deserializer *d)
void	ReadFill (Deserializer *d) override
void	ReadFill (Deserializer *d, intptr_t start_index, intptr_t stop_index, bool deferred)
void	PostLoad (Deserializer *d, const Array &refs) override
Public Member Functions inherited from dart::DeserializationCluster
	DeserializationCluster (const char *name, bool is_canonical=false, bool is_immutable=false)
virtual	~DeserializationCluster ()
virtual void	ReadAlloc (Deserializer *deserializer)=0
virtual void	ReadFill (Deserializer *deserializer)=0
virtual void	PostLoad (Deserializer *deserializer, const Array &refs)
const char *	name () const
bool	is_canonical () const
Public Member Functions inherited from dart::ZoneAllocated
	ZoneAllocated ()
void *	operator new (size_t size)
void *	operator new (size_t size, Zone *zone)
void	operator delete (void *pointer)

Additional Inherited Members
Protected Member Functions inherited from dart::DeserializationCluster
void	ReadAllocFixedSize (Deserializer *deserializer, intptr_t instance_size)
Protected Attributes inherited from dart::DeserializationCluster
const char *const	name_
const bool	is_canonical_
const bool	is_immutable_
intptr_t	start_index_
intptr_t	stop_index_

Detailed Description

Definition at line 3008 of file app_snapshot.cc.

Constructor & Destructor Documentation

CodeDeserializationCluster()

dart::CodeDeserializationCluster::CodeDeserializationCluster ( )

inline

Definition at line 3010 of file app_snapshot.cc.

: DeserializationCluster("Code") {}

~CodeDeserializationCluster()

dart::CodeDeserializationCluster::~CodeDeserializationCluster ( )

inline

Definition at line 3011 of file app_snapshot.cc.

{}

Member Function Documentation

PostLoad()

void dart::CodeDeserializationCluster::PostLoad ( Deserializer *  d, const Array &  refs  )

inlineoverridevirtual

Reimplemented from dart::DeserializationCluster.

Definition at line 3107 of file app_snapshot.cc.

                                                             {
    d->EndInstructions();
 
#if !defined(PRODUCT)
    if (!CodeObservers::AreActive() && !FLAG_support_disassembler) return;
#endif
    Code& code = Code::Handle(d->zone());
#if !defined(PRODUCT) || defined(FORCE_INCLUDE_DISASSEMBLER)
    Object& owner = Object::Handle(d->zone());
#endif
    for (intptr_t id = start_index_, n = stop_index_; id < n; id++) {
      code ^= refs.At(id);
#if !defined(DART_PRECOMPILED_RUNTIME) && !defined(PRODUCT)
      if (CodeObservers::AreActive()) {
        Code::NotifyCodeObservers(code, code.is_optimized());
      }
#endif
#if !defined(PRODUCT) || defined(FORCE_INCLUDE_DISASSEMBLER)
      owner = code.owner();
      if (owner.IsFunction()) {
        if ((FLAG_disassemble ||
             (code.is_optimized() && FLAG_disassemble_optimized)) &&
            compiler::PrintFilter::ShouldPrint(Function::Cast(owner))) {
          Disassembler::DisassembleCode(Function::Cast(owner), code,
                                        code.is_optimized());
        }
      } else if (FLAG_disassemble_stubs) {
        Disassembler::DisassembleStub(code.Name(), code);
      }
#endif  // !defined(PRODUCT) || defined(FORCE_INCLUDE_DISASSEMBLER)
    }
  }

ReadAlloc()

void dart::CodeDeserializationCluster::ReadAlloc ( Deserializer *  d )

inlineoverridevirtual

Implements dart::DeserializationCluster.

Definition at line 3013 of file app_snapshot.cc.

                                           {
    start_index_ = d->next_index();
    d->set_code_start_index(start_index_);
    const intptr_t count = d->ReadUnsigned();
    for (intptr_t i = 0; i < count; i++) {
      ReadAllocOneCode(d);
    }
    stop_index_ = d->next_index();
    d->set_code_stop_index(stop_index_);
    deferred_start_index_ = d->next_index();
    const intptr_t deferred_count = d->ReadUnsigned();
    for (intptr_t i = 0; i < deferred_count; i++) {
      ReadAllocOneCode(d);
    }
    deferred_stop_index_ = d->next_index();
  }

ReadAllocOneCode()

void dart::CodeDeserializationCluster::ReadAllocOneCode ( Deserializer *  d )

inline

Definition at line 3030 of file app_snapshot.cc.

                                         {
    const int32_t state_bits = d->Read<int32_t>();
    ASSERT(!Code::DiscardedBit::decode(state_bits));
    auto code = static_cast<CodePtr>(d->Allocate(Code::InstanceSize(0)));
    d->AssignRef(code);
    code->untag()->state_bits_ = state_bits;
  }

ReadFill() [1/2]

void dart::CodeDeserializationCluster::ReadFill ( Deserializer *  d )

inlineoverridevirtual

Implements dart::DeserializationCluster.

Definition at line 3038 of file app_snapshot.cc.

                                          {
    ASSERT(!is_canonical());  // Never canonical.
    ReadFill(d, start_index_, stop_index_, false);
#if defined(DART_PRECOMPILED_RUNTIME)
    ReadFill(d, deferred_start_index_, deferred_stop_index_, true);
#else
    ASSERT(deferred_start_index_ == deferred_stop_index_);
#endif
  }

ReadFill() [2/2]

void dart::CodeDeserializationCluster::ReadFill ( Deserializer *  d, intptr_t  start_index, intptr_t  stop_index, bool  deferred  )

inline

Definition at line 3048 of file app_snapshot.cc.

                               {
    for (intptr_t id = start_index, n = stop_index; id < n; id++) {
      auto const code = static_cast<CodePtr>(d->Ref(id));
 
      ASSERT(!Code::IsUnknownDartCode(code));
 
      Deserializer::InitializeHeader(code, kCodeCid, Code::InstanceSize(0));
      ASSERT(!Code::IsDiscarded(code));
 
      d->ReadInstructions(code, deferred);
 
#if !defined(DART_PRECOMPILED_RUNTIME)
      ASSERT(d->kind() == Snapshot::kFullJIT);
      code->untag()->object_pool_ = static_cast<ObjectPoolPtr>(d->ReadRef());
#else
      ASSERT(d->kind() == Snapshot::kFullAOT);
      // There is a single global pool.
      code->untag()->object_pool_ = ObjectPool::null();
#endif
      code->untag()->owner_ = d->ReadRef();
      code->untag()->exception_handlers_ =
          static_cast<ExceptionHandlersPtr>(d->ReadRef());
      code->untag()->pc_descriptors_ =
          static_cast<PcDescriptorsPtr>(d->ReadRef());
      code->untag()->catch_entry_ = d->ReadRef();
#if !defined(DART_PRECOMPILED_RUNTIME)
      ASSERT(d->kind() == Snapshot::kFullJIT);
      code->untag()->compressed_stackmaps_ =
          static_cast<CompressedStackMapsPtr>(d->ReadRef());
#else
      ASSERT(d->kind() == Snapshot::kFullAOT);
      code->untag()->compressed_stackmaps_ = CompressedStackMaps::null();
#endif
      code->untag()->inlined_id_to_function_ =
          static_cast<ArrayPtr>(d->ReadRef());
      code->untag()->code_source_map_ =
          static_cast<CodeSourceMapPtr>(d->ReadRef());
 
#if !defined(DART_PRECOMPILED_RUNTIME)
      ASSERT(d->kind() == Snapshot::kFullJIT);
      code->untag()->deopt_info_array_ = static_cast<ArrayPtr>(d->ReadRef());
      code->untag()->static_calls_target_table_ =
          static_cast<ArrayPtr>(d->ReadRef());
#endif  // !DART_PRECOMPILED_RUNTIME
 
#if !defined(PRODUCT)
      code->untag()->return_address_metadata_ = d->ReadRef();
      code->untag()->var_descriptors_ = LocalVarDescriptors::null();
      code->untag()->comments_ = FLAG_code_comments
                                     ? static_cast<ArrayPtr>(d->ReadRef())
                                     : Array::null();
      code->untag()->compile_timestamp_ = 0;
#endif
    }
  }

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

• third_party/dart-lang/sdk/runtime/vm/app_snapshot.cc