/*

 * 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_GENARGUMENTS_HPP

#define SHARE_GC_SHARED_GENARGUMENTS_HPP

#include "gc/shared/gcArguments.hpp"

#include "utilities/debug.hpp"

extern size_t MinNewSize;

extern size_t MinOldSize;

extern size_t MaxOldSize;

extern size_t GenAlignment;

class GenArguments : public GCArguments {

  friend class TestGenCollectorPolicy; // Testing

private:

  virtual void initialize_alignments();

  virtual void initialize_size_info();

  // Return the (conservative) maximum heap alignment

  virtual size_t conservative_max_heap_alignment();

  DEBUG_ONLY(void assert_flags();)

  DEBUG_ONLY(void assert_size_info();)

  static size_t scale_by_NewRatio_aligned(size_t base_size, size_t alignment);

protected:

  virtual void initialize_heap_flags_and_sizes();

};

#endif // SHARE_GC_SHARED_GENARGUMENTS_HPP