89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_RUNTIME_MIRROR_CLASS_ALLOC_INL_H_
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#define ART_RUNTIME_MIRROR_CLASS_ALLOC_INL_H_
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#include "class-inl.h"
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#include "gc/allocator_type.h"
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#include "gc/heap-inl.h"
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#include "object-inl.h"
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#include "runtime.h"
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namespace art {
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namespace mirror {
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inline void Class::CheckObjectAlloc() {
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DCHECK(!IsArrayClass())
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<< PrettyClass()
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<< "A array shouldn't be allocated through this "
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<< "as it requires a pre-fence visitor that sets the class size.";
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DCHECK(!IsClassClass())
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<< PrettyClass()
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<< "A class object shouldn't be allocated through this "
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<< "as it requires a pre-fence visitor that sets the class size.";
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DCHECK(!IsStringClass())
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<< PrettyClass()
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<< "A string shouldn't be allocated through this "
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<< "as it requires a pre-fence visitor that sets the class size.";
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DCHECK(IsInstantiable()) << PrettyClass();
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// TODO: decide whether we want this check. It currently fails during bootstrap.
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// DCHECK(!Runtime::Current()->IsStarted() || IsInitializing()) << PrettyClass();
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DCHECK_GE(this->object_size_, sizeof(Object));
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}
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template<bool kIsInstrumented, Class::AddFinalizer kAddFinalizer, bool kCheckAddFinalizer>
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inline ObjPtr<Object> Class::Alloc(Thread* self, gc::AllocatorType allocator_type) {
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CheckObjectAlloc();
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gc::Heap* heap = Runtime::Current()->GetHeap();
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bool add_finalizer;
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switch (kAddFinalizer) {
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case Class::AddFinalizer::kUseClassTag:
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add_finalizer = IsFinalizable();
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break;
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case Class::AddFinalizer::kNoAddFinalizer:
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add_finalizer = false;
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DCHECK_IMPLIES(kCheckAddFinalizer, !IsFinalizable());
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break;
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}
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// Note that the `this` pointer may be invalidated after the allocation.
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ObjPtr<Object> obj =
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heap->AllocObjectWithAllocator<kIsInstrumented, /*kCheckLargeObject=*/ false>(
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self, this, this->object_size_, allocator_type, VoidFunctor());
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if (add_finalizer && LIKELY(obj != nullptr)) {
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heap->AddFinalizerReference(self, &obj);
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if (UNLIKELY(self->IsExceptionPending())) {
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// Failed to allocate finalizer reference, it means that the whole allocation failed.
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obj = nullptr;
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}
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}
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return obj;
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}
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inline ObjPtr<Object> Class::AllocObject(Thread* self) {
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return Alloc(self, Runtime::Current()->GetHeap()->GetCurrentAllocator());
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}
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inline ObjPtr<Object> Class::AllocNonMovableObject(Thread* self) {
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return Alloc(self, Runtime::Current()->GetHeap()->GetCurrentNonMovingAllocator());
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}
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} // namespace mirror
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} // namespace art
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#endif // ART_RUNTIME_MIRROR_CLASS_ALLOC_INL_H_
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