shenandoahBarrierSetC2.hpp

/*
 * Copyright (c) 2018, 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
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 */

#ifndef SHARE_GC_SHENANDOAH_C2_SHENANDOAHBARRIERSETC2_HPP
#define SHARE_GC_SHENANDOAH_C2_SHENANDOAHBARRIERSETC2_HPP

#include "memory/allocation.hpp"

class GraphKit;
class Node;
class TypeFunc;

class ShenandoahBarrierSetC2 : public CHeapObj<mtGC> {
public:
  static ShenandoahBarrierSetC2* bsc2();

  static bool is_shenandoah_lrb_call(Node* call);
  static bool is_shenandoah_state_load(Node* n);

  static const TypeFunc* shenandoah_load_reference_barrier_Type();

  Node* step_over_gc_barrier(Node* c);

  Node* load_reference_barrier(GraphKit* kit, Node* n) const;
};

#endif // SHARE_GC_SHENANDOAH_C2_SHENANDOAHBARRIERSETC2_HPP