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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
 *
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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