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/*
* Copyright (C) 2011 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_CLASS_ALLOC_INL_H_
#define ART_RUNTIME_MIRROR_CLASS_ALLOC_INL_H_
#include "class-inl.h"
#include "gc/allocator_type.h"
#include "gc/heap-inl.h"
#include "object-inl.h"
#include "runtime.h"
namespace art {
namespace mirror {
inline void Class::CheckObjectAlloc() {
DCHECK(!IsArrayClass())
<< PrettyClass()
<< "A array shouldn't be allocated through this "
<< "as it requires a pre-fence visitor that sets the class size.";
DCHECK(!IsClassClass())
<< PrettyClass()
<< "A class object shouldn't be allocated through this "
<< "as it requires a pre-fence visitor that sets the class size.";
DCHECK(!IsStringClass())
<< PrettyClass()
<< "A string shouldn't be allocated through this "
<< "as it requires a pre-fence visitor that sets the class size.";
DCHECK(IsInstantiable()) << PrettyClass();
// TODO: decide whether we want this check. It currently fails during bootstrap.
// DCHECK(!Runtime::Current()->IsStarted() || IsInitializing()) << PrettyClass();
DCHECK_GE(this->object_size_, sizeof(Object));
}
template<bool kIsInstrumented, Class::AddFinalizer kAddFinalizer, bool kCheckAddFinalizer>
inline ObjPtr<Object> Class::Alloc(Thread* self, gc::AllocatorType allocator_type) {
CheckObjectAlloc();
gc::Heap* heap = Runtime::Current()->GetHeap();
bool add_finalizer;
switch (kAddFinalizer) {
case Class::AddFinalizer::kUseClassTag:
add_finalizer = IsFinalizable();
break;
case Class::AddFinalizer::kNoAddFinalizer:
add_finalizer = false;
DCHECK(!kCheckAddFinalizer || !IsFinalizable());
break;
}
// Note that the `this` pointer may be invalidated after the allocation.
ObjPtr<Object> obj =
heap->AllocObjectWithAllocator<kIsInstrumented, /*kCheckLargeObject=*/ false>(
self, this, this->object_size_, allocator_type, VoidFunctor());
if (add_finalizer && LIKELY(obj != nullptr)) {
heap->AddFinalizerReference(self, &obj);
if (UNLIKELY(self->IsExceptionPending())) {
// Failed to allocate finalizer reference, it means that the whole allocation failed.
obj = nullptr;
}
}
return obj;
}
inline ObjPtr<Object> Class::AllocObject(Thread* self) {
return Alloc(self, Runtime::Current()->GetHeap()->GetCurrentAllocator());
}
inline ObjPtr<Object> Class::AllocNonMovableObject(Thread* self) {
return Alloc(self, Runtime::Current()->GetHeap()->GetCurrentNonMovingAllocator());
}
} // namespace mirror
} // namespace art
#endif // ART_RUNTIME_MIRROR_CLASS_ALLOC_INL_H_
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