duke@435: /*
trims@1907:  * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: class ContigPermSpace;
duke@435: class CardTableModRefBS;
duke@435: class CompactingPermGenGen;
duke@435: class PermanentGenerationSpec;
duke@435: 
duke@435: // A PermGen implemented with a contiguous space.
duke@435: class CompactingPermGen:  public PermGen {
duke@435:   friend class VMStructs;
duke@435: protected:
duke@435:   // The "generation" view.
duke@435:   OneContigSpaceCardGeneration* _gen;
duke@435: 
duke@435: public:
duke@435:   CompactingPermGen(ReservedSpace rs, ReservedSpace shared_rs,
duke@435:                     size_t initial_byte_size, GenRemSet* remset,
duke@435:                     PermanentGenerationSpec* perm_spec);
duke@435: 
duke@435:   HeapWord* mem_allocate(size_t size);
duke@435: 
duke@435:   void compute_new_size();
duke@435: 
duke@435:   Generation* as_gen() const { return _gen; }
duke@435: 
duke@435: };