/*
|
* Copyright (C) 2015 The Android Open Source Project
|
*
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
* you may not use this file except in compliance with the License.
|
* You may obtain a copy of the License at
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing, software
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
* See the License for the specific language governing permissions and
|
* limitations under the License.
|
*/
|
|
#ifndef ART_RUNTIME_MIRROR_FIELD_INL_H_
|
#define ART_RUNTIME_MIRROR_FIELD_INL_H_
|
|
#include "field.h"
|
|
#include "art_field-inl.h"
|
#include "class-alloc-inl.h"
|
#include "class_root.h"
|
#include "dex_cache-inl.h"
|
#include "object-inl.h"
|
|
namespace art {
|
|
namespace mirror {
|
|
inline ObjPtr<mirror::Class> Field::GetDeclaringClass() REQUIRES_SHARED(Locks::mutator_lock_) {
|
return GetFieldObject<Class>(OFFSET_OF_OBJECT_MEMBER(Field, declaring_class_));
|
}
|
|
inline Primitive::Type Field::GetTypeAsPrimitiveType() {
|
return GetType()->GetPrimitiveType();
|
}
|
|
inline ObjPtr<mirror::Class> Field::GetType() {
|
return GetFieldObject<mirror::Class>(OFFSET_OF_OBJECT_MEMBER(Field, type_));
|
}
|
|
template <PointerSize kPointerSize, bool kTransactionActive>
|
inline ObjPtr<mirror::Field> Field::CreateFromArtField(Thread* self,
|
ArtField* field,
|
bool force_resolve) {
|
StackHandleScope<2> hs(self);
|
// Try to resolve type before allocating since this is a thread suspension point.
|
Handle<mirror::Class> type = hs.NewHandle(field->ResolveType());
|
|
if (type == nullptr) {
|
if (force_resolve) {
|
if (kIsDebugBuild) {
|
self->AssertPendingException();
|
}
|
return nullptr;
|
} else {
|
// Can't resolve, clear the exception if it isn't OOME and continue with a null type.
|
mirror::Throwable* exception = self->GetException();
|
if (exception->GetClass()->DescriptorEquals("Ljava/lang/OutOfMemoryError;")) {
|
return nullptr;
|
}
|
self->ClearException();
|
}
|
}
|
auto ret = hs.NewHandle(ObjPtr<Field>::DownCast(GetClassRoot<Field>()->AllocObject(self)));
|
if (UNLIKELY(ret == nullptr)) {
|
self->AssertPendingOOMException();
|
return nullptr;
|
}
|
auto dex_field_index = field->GetDexFieldIndex();
|
auto* resolved_field = field->GetDexCache()->GetResolvedField(dex_field_index, kPointerSize);
|
if (field->GetDeclaringClass()->IsProxyClass()) {
|
DCHECK(field->IsStatic());
|
DCHECK_LT(dex_field_index, 2U);
|
// The two static fields (interfaces, throws) of all proxy classes
|
// share the same dex file indices 0 and 1. So, we can't resolve
|
// them in the dex cache.
|
} else {
|
if (resolved_field != nullptr) {
|
DCHECK_EQ(resolved_field, field);
|
} else {
|
// We rely on the field being resolved so that we can back to the ArtField
|
// (i.e. FromReflectedMethod).
|
field->GetDexCache()->SetResolvedField(dex_field_index, field, kPointerSize);
|
}
|
}
|
ret->SetType<kTransactionActive>(type.Get());
|
ret->SetDeclaringClass<kTransactionActive>(field->GetDeclaringClass());
|
ret->SetAccessFlags<kTransactionActive>(field->GetAccessFlags());
|
ret->SetDexFieldIndex<kTransactionActive>(dex_field_index);
|
ret->SetOffset<kTransactionActive>(field->GetOffset().Int32Value());
|
return ret.Get();
|
}
|
|
template<bool kTransactionActive>
|
inline void Field::SetDeclaringClass(ObjPtr<mirror::Class> c) {
|
SetFieldObject<kTransactionActive>(OFFSET_OF_OBJECT_MEMBER(Field, declaring_class_), c);
|
}
|
|
template<bool kTransactionActive>
|
inline void Field::SetType(ObjPtr<mirror::Class> type) {
|
SetFieldObject<kTransactionActive>(OFFSET_OF_OBJECT_MEMBER(Field, type_), type);
|
}
|
|
} // namespace mirror
|
} // namespace art
|
|
#endif // ART_RUNTIME_MIRROR_FIELD_INL_H_
|
