/*

 * Copyright (c) 2000, 2010, 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.

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#ifndef SHARE_VM_MEMORY_COMPACTPERMGEN_HPP

#define SHARE_VM_MEMORY_COMPACTPERMGEN_HPP

#include "memory/generation.hpp"

#include "memory/permGen.hpp"

class ContigPermSpace;

class CardTableModRefBS;

class CompactingPermGenGen;

class PermanentGenerationSpec;

// A PermGen implemented with a contiguous space.

class CompactingPermGen:  public PermGen {

  friend class VMStructs;

protected:

  // The "generation" view.

  OneContigSpaceCardGeneration* _gen;

public:

  CompactingPermGen(ReservedSpace rs, ReservedSpace shared_rs,

                    size_t initial_byte_size, GenRemSet* remset,

                    PermanentGenerationSpec* perm_spec);

  HeapWord* mem_allocate(size_t size);

  void compute_new_size();

  Generation* as_gen() const { return _gen; }

};

#endif // SHARE_VM_MEMORY_COMPACTPERMGEN_HPP