/*

 * Copyright (c) 2001, 2011, 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_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPERMGEN_HPP

#define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPERMGEN_HPP

#include "gc_implementation/parallelScavenge/psOldGen.hpp"

class AdaptivePaddedAverage;

class PSPermGen : public PSOldGen {

  friend class VMStructs;

 protected:

  AdaptivePaddedAverage* _avg_size;  // Used for sizing

  size_t _last_used;                 // Amount used at last GC, used for sizing

 public:

  // Initialize the generation.

  PSPermGen(ReservedSpace rs, size_t alignment, size_t initial_byte_size,

            size_t minimum_byte_size, size_t maximum_byte_size,

            const char* gen_name, int level);

  // Permanent Gen special allocation. Uses the OldGen allocation

  // routines, which should not be directly called on this generation.

  HeapWord* allocate_permanent(size_t word_size);

  // Size calculation.

  void compute_new_size(size_t used_before_collection);

  // MarkSweep code

  virtual void precompact();

  virtual const char* name() const { return "PSPermGen"; }

};

#endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSPERMGEN_HPP