/*
 * Copyright (c) 2019, Red Hat, Inc. All rights reserved.
 *
 * 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.
 *
 * 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 SHARE_GC_SHENANDOAH_SHENANDOAHBARRIERSETNMETHOD_HPP
#define SHARE_GC_SHENANDOAH_SHENANDOAHBARRIERSETNMETHOD_HPP

#include "gc/shared/barrierSetNMethod.hpp"
#include "memory/allocation.hpp"

class nmethod;
class ShenandoahHeap;

class ShenandoahBarrierSetNMethod : public BarrierSetNMethod {
private:
  ShenandoahHeap* _heap;

protected:
  virtual int disarmed_value() const;
  virtual bool nmethod_entry_barrier(nmethod* nm);

public:
  ShenandoahBarrierSetNMethod(ShenandoahHeap* heap) : _heap(heap) {
  }

  virtual ByteSize thread_disarmed_offset() const;
  virtual int* disarmed_value_address() const;
};

#endif // SHARE_GC_SHENANDOAH_SHENANDOAHBARRIERSETNMETHOD_HPP