77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
/*
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* Copyright (C) 2016 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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#include "method_handle_impl-inl.h"
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#include "class-inl.h"
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#include "gc_root-inl.h"
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namespace art {
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namespace mirror {
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mirror::Class* MethodHandle::StaticClass() {
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mirror::Class* klass = MethodHandleImpl::StaticClass()->GetSuperClass();
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DCHECK(klass->DescriptorEquals("Ljava/lang/invoke/MethodHandle;"));
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return klass;
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}
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void MethodHandle::Initialize(uintptr_t art_field_or_method,
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Kind kind,
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Handle<MethodType> method_type)
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REQUIRES_SHARED(Locks::mutator_lock_) {
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CHECK(!Runtime::Current()->IsActiveTransaction());
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SetFieldObject<false>(CachedSpreadInvokerOffset(), nullptr);
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SetFieldObject<false>(NominalTypeOffset(), nullptr);
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SetFieldObject<false>(MethodTypeOffset(), method_type.Get());
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SetField32<false>(HandleKindOffset(), static_cast<uint32_t>(kind));
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SetField64<false>(ArtFieldOrMethodOffset(), art_field_or_method);
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}
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GcRoot<mirror::Class> MethodHandleImpl::static_class_;
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mirror::Class* MethodHandleImpl::StaticClass() {
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return static_class_.Read();
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}
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void MethodHandleImpl::SetClass(Class* klass) {
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CHECK(static_class_.IsNull()) << static_class_.Read() << " " << klass;
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CHECK(klass != nullptr);
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static_class_ = GcRoot<Class>(klass);
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}
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void MethodHandleImpl::ResetClass() {
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CHECK(!static_class_.IsNull());
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static_class_ = GcRoot<Class>(nullptr);
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}
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void MethodHandleImpl::VisitRoots(RootVisitor* visitor) {
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static_class_.VisitRootIfNonNull(visitor, RootInfo(kRootStickyClass));
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}
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mirror::MethodHandleImpl* MethodHandleImpl::Create(Thread* const self,
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uintptr_t art_field_or_method,
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MethodHandle::Kind kind,
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Handle<MethodType> method_type)
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REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Roles::uninterruptible_) {
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StackHandleScope<1> hs(self);
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Handle<mirror::MethodHandleImpl> mh(
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hs.NewHandle(ObjPtr<MethodHandleImpl>::DownCast(StaticClass()->AllocObject(self))));
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mh->Initialize(art_field_or_method, kind, method_type);
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return mh.Get();
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}
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} // namespace mirror
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} // namespace art
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