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/*
* Copyright (C) 2017 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_CALL_SITE_H_
#define ART_RUNTIME_MIRROR_CALL_SITE_H_
#include "base/utils.h"
#include "mirror/method_handle_impl.h"
namespace art {
struct CallSiteOffsets;
namespace mirror {
// C++ mirror of java.lang.invoke.CallSite
class MANAGED CallSite : public Object {
public:
static mirror::CallSite* Create(Thread* const self,
Handle<MethodHandle> method_handle)
REQUIRES_SHARED(Locks::mutator_lock_) REQUIRES(!Roles::uninterruptible_);
static mirror::Class* StaticClass() REQUIRES_SHARED(Locks::mutator_lock_) {
return static_class_.Read();
}
MethodHandle* GetTarget() REQUIRES_SHARED(Locks::mutator_lock_) {
return GetFieldObject<MethodHandle>(TargetOffset());
}
static void SetClass(Class* klass) REQUIRES_SHARED(Locks::mutator_lock_);
static void ResetClass() REQUIRES_SHARED(Locks::mutator_lock_);
static void VisitRoots(RootVisitor* visitor) REQUIRES_SHARED(Locks::mutator_lock_);
private:
static inline MemberOffset TargetOffset() {
return MemberOffset(OFFSETOF_MEMBER(CallSite, target_));
}
HeapReference<mirror::MethodHandle> target_;
static GcRoot<mirror::Class> static_class_; // java.lang.invoke.CallSite.class
friend struct art::CallSiteOffsets; // for verifying offset information
DISALLOW_IMPLICIT_CONSTRUCTORS(CallSite);
};
} // namespace mirror
} // namespace art
#endif // ART_RUNTIME_MIRROR_CALL_SITE_H_