/*

 * Copyright (c) 2018, 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.

 *

 * 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

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 */

#ifndef SHARE_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP

#define SHARE_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP

#include "gc/shared/c2/modRefBarrierSetC2.hpp"

class CardTableBarrierSetC2: public ModRefBarrierSetC2 {

protected:

  virtual void post_barrier(GraphKit* kit,

                            Node* ctl,

                            Node* store,

                            Node* obj,

                            Node* adr,

                            uint adr_idx,

                            Node* val,

                            BasicType bt,

                            bool use_precise) const;

  Node* byte_map_base_node(GraphKit* kit) const;

public:

  virtual void clone(GraphKit* kit, Node* src, Node* dst, Node* size, bool is_array) const;

  virtual bool is_gc_barrier_node(Node* node) const;

  virtual void eliminate_gc_barrier(PhaseMacroExpand* macro, Node* node) const;

  virtual bool array_copy_requires_gc_barriers(bool tightly_coupled_alloc, BasicType type, bool is_clone, ArrayCopyPhase phase) const;

  bool use_ReduceInitialCardMarks() const;

};

#endif // SHARE_GC_SHARED_C2_CARDTABLEBARRIERSETC2_HPP