| /* |
| * Copyright 2001-2005 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| * |
| */ |
| |
| 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(); |
| |
| // Parallel old |
| virtual void move_and_update(ParCompactionManager* cm); |
| |
| virtual const char* name() const { return "PSPermGen"; } |
| }; |