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/* Copyright (C) 2016 The Android Open Source Project
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This file implements interfaces from the file jvmti.h. This implementation
* is licensed under the same terms as the file jvmti.h. The
* copyright and license information for the file jvmti.h follows.
*
* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#ifndef ART_OPENJDKJVMTI_OBJECT_TAGGING_H_
#define ART_OPENJDKJVMTI_OBJECT_TAGGING_H_
#include <unordered_map>
#include "base/globals.h"
#include "base/mutex.h"
#include "jvmti.h"
#include "jvmti_weak_table.h"
#include "mirror/object.h"
namespace openjdkjvmti {
struct ArtJvmTiEnv;
class EventHandler;
class ObjectTagTable FINAL : public JvmtiWeakTable<jlong> {
public:
ObjectTagTable(EventHandler* event_handler, ArtJvmTiEnv* env)
: event_handler_(event_handler), jvmti_env_(env) {}
bool Set(art::mirror::Object* obj, jlong tag) OVERRIDE
REQUIRES_SHARED(art::Locks::mutator_lock_)
REQUIRES(!allow_disallow_lock_);
bool SetLocked(art::mirror::Object* obj, jlong tag) OVERRIDE
REQUIRES_SHARED(art::Locks::mutator_lock_)
REQUIRES(allow_disallow_lock_);
jlong GetTagOrZero(art::mirror::Object* obj)
REQUIRES_SHARED(art::Locks::mutator_lock_)
REQUIRES(!allow_disallow_lock_) {
jlong tmp = 0;
GetTag(obj, &tmp);
return tmp;
}
jlong GetTagOrZeroLocked(art::mirror::Object* obj)
REQUIRES_SHARED(art::Locks::mutator_lock_)
REQUIRES(allow_disallow_lock_) {
jlong tmp = 0;
GetTagLocked(obj, &tmp);
return tmp;
}
protected:
bool DoesHandleNullOnSweep() OVERRIDE;
void HandleNullSweep(jlong tag) OVERRIDE;
private:
EventHandler* event_handler_;
ArtJvmTiEnv* jvmti_env_;
};
} // namespace openjdkjvmti
#endif // ART_OPENJDKJVMTI_OBJECT_TAGGING_H_
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