dart::VMDeserializationRoots Class Reference

Inheritance diagram for dart::VMDeserializationRoots:

Public Member Functions
	VMDeserializationRoots ()
void	AddBaseObjects (Deserializer *d) override
void	ReadRoots (Deserializer *d) override
void	PostLoad (Deserializer *d, const Array &refs) override
Public Member Functions inherited from dart::DeserializationRoots
virtual	~DeserializationRoots ()
virtual void	AddBaseObjects (Deserializer *deserializer)=0
virtual void	ReadRoots (Deserializer *deserializer)=0
virtual void	PostLoad (Deserializer *deserializer, const Array &refs)=0

Detailed Description

Definition at line 6933 of file app_snapshot.cc.

Constructor & Destructor Documentation

VMDeserializationRoots()

dart::VMDeserializationRoots::VMDeserializationRoots ( )

inline

Definition at line 6935 of file app_snapshot.cc.

: symbol_table_(WeakArray::Handle()) {}

Member Function Documentation

AddBaseObjects()

void dart::VMDeserializationRoots::AddBaseObjects ( Deserializer *  d )

inlineoverridevirtual

Implements dart::DeserializationRoots.

Definition at line 6937 of file app_snapshot.cc.

                                                {
    // These objects are always allocated by Object::InitOnce, so they are not
    // written into the snapshot.
 
    d->AddBaseObject(Object::null());
    d->AddBaseObject(Object::sentinel().ptr());
    d->AddBaseObject(Object::transition_sentinel().ptr());
    d->AddBaseObject(Object::optimized_out().ptr());
    d->AddBaseObject(Object::empty_array().ptr());
    d->AddBaseObject(Object::empty_instantiations_cache_array().ptr());
    d->AddBaseObject(Object::empty_subtype_test_cache_array().ptr());
    d->AddBaseObject(Object::dynamic_type().ptr());
    d->AddBaseObject(Object::void_type().ptr());
    d->AddBaseObject(Object::empty_type_arguments().ptr());
    d->AddBaseObject(Bool::True().ptr());
    d->AddBaseObject(Bool::False().ptr());
    ASSERT(Object::synthetic_getter_parameter_types().ptr() != Object::null());
    d->AddBaseObject(Object::synthetic_getter_parameter_types().ptr());
    ASSERT(Object::synthetic_getter_parameter_names().ptr() != Object::null());
    d->AddBaseObject(Object::synthetic_getter_parameter_names().ptr());
    d->AddBaseObject(Object::empty_context_scope().ptr());
    d->AddBaseObject(Object::empty_object_pool().ptr());
    d->AddBaseObject(Object::empty_compressed_stackmaps().ptr());
    d->AddBaseObject(Object::empty_descriptors().ptr());
    d->AddBaseObject(Object::empty_var_descriptors().ptr());
    d->AddBaseObject(Object::empty_exception_handlers().ptr());
    d->AddBaseObject(Object::empty_async_exception_handlers().ptr());
 
    for (intptr_t i = 0; i < ArgumentsDescriptor::kCachedDescriptorCount; i++) {
      d->AddBaseObject(ArgumentsDescriptor::cached_args_descriptors_[i]);
    }
    for (intptr_t i = 0; i < ICData::kCachedICDataArrayCount; i++) {
      d->AddBaseObject(ICData::cached_icdata_arrays_[i]);
    }
 
    ClassTable* table = d->isolate_group()->class_table();
    for (intptr_t cid = kFirstInternalOnlyCid; cid <= kLastInternalOnlyCid;
         cid++) {
      // Error, CallSiteData has no class object.
      if (cid != kErrorCid && cid != kCallSiteDataCid) {
        ASSERT(table->HasValidClassAt(cid));
        d->AddBaseObject(table->At(cid));
      }
    }
    d->AddBaseObject(table->At(kDynamicCid));
    d->AddBaseObject(table->At(kVoidCid));
 
    if (!Snapshot::IncludesCode(d->kind())) {
      for (intptr_t i = 0; i < StubCode::NumEntries(); i++) {
        d->AddBaseObject(StubCode::EntryAt(i).ptr());
      }
    }
  }

PostLoad()

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

inlineoverridevirtual

Implements dart::DeserializationRoots.

Definition at line 7006 of file app_snapshot.cc.

                                                             {
    // Move remaining bump allocation space to the freelist so it used by C++
    // allocations (e.g., FinalizeVMIsolate) before allocating new pages.
    d->heap()->old_space()->ReleaseBumpAllocation();
 
    if (!symbol_table_.IsNull()) {
      Symbols::InitFromSnapshot(d->isolate_group());
    }
 
    Object::set_vm_isolate_snapshot_object_table(refs);
  }

ReadRoots()

void dart::VMDeserializationRoots::ReadRoots ( Deserializer *  d )

inlineoverridevirtual

Implements dart::DeserializationRoots.

Definition at line 6991 of file app_snapshot.cc.

                                           {
    symbol_table_ ^= d->ReadRef();
    if (!symbol_table_.IsNull()) {
      d->isolate_group()->object_store()->set_symbol_table(symbol_table_);
    }
    if (Snapshot::IncludesCode(d->kind())) {
      for (intptr_t i = 0; i < StubCode::NumEntries(); i++) {
        Code* code = Code::ReadOnlyHandle();
        *code ^= d->ReadRef();
        StubCode::EntryAtPut(i, code);
      }
      StubCode::InitializationDone();
    }
  }

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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