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/*
* Copyright (c) 2001, 2005, 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.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"; }
};
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