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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/openj9
 Path: blob/master/runtime/gc_modron_standard/RootScannerReadBarrierVerifier.hpp
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/*******************************************************************************

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 * Copyright (c) 1991, 2019 IBM Corp. and others

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 *

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 * This program and the accompanying materials are made available under

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 * the terms of the Eclipse Public License 2.0 which accompanies this

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 * distribution and is available at https://www.eclipse.org/legal/epl-2.0/

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 * or the Apache License, Version 2.0 which accompanies this distribution and

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 * is available at https://www.apache.org/licenses/LICENSE-2.0.

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 *

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 * This Source Code may also be made available under the following

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 * Secondary Licenses when the conditions for such availability set

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 * forth in the Eclipse Public License, v. 2.0 are satisfied: GNU

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 * General Public License, version 2 with the GNU Classpath

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 * Exception [1] and GNU General Public License, version 2 with the

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 * OpenJDK Assembly Exception [2].

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 *

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 * [1] https://www.gnu.org/software/classpath/license.html

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 * [2] http://openjdk.java.net/legal/assembly-exception.html

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 *

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 * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception

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 *******************************************************************************/

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#if !defined(RootScannerReadBarrierVerifier_HPP_)

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#define RootScannerReadBarrierVerifier_HPP_

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#include "j9.h"

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#include "RootScanner.hpp"

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#if defined(OMR_ENV_DATA64) && defined(OMR_GC_FULL_POINTERS)

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class MM_RootScannerReadBarrierVerifier : public MM_RootScanner

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{

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	private:

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		bool _poison;

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	protected:

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	public:

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		MM_RootScannerReadBarrierVerifier(MM_EnvironmentBase *env, bool singleThread = false, bool poison = false) : 

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			MM_RootScanner(env, singleThread)

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		{

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			_poison = poison; /* Toggle between poisoning and healing */

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		}

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		virtual void doMonitorReference(J9ObjectMonitor *objectMonitor, GC_HashTableIterator *monitorReferenceIterator);

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		virtual void doJNIWeakGlobalReference(omrobjectptr_t *slotPtr);

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		virtual void scanClass(MM_EnvironmentBase *env);

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		virtual void doClassVerify(omrobjectptr_t *slotPtr);

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		virtual void doSlot(J9Object** slotPtr) {};

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		virtual void doClass(J9Class *clazz) {};

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		virtual void doFinalizableObject(J9Object *objectPtr) {};

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};

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#endif /* defined(OMR_ENV_DATA64) && defined(OMR_GC_FULL_POINTERS) */

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#endif /* RootScannerReadBarrierVerifier_HPP_ */

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