1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/vm/gc_implementation/parallelScavenge/psPermGen.hpp Sat Dec 01 00:00:00 2007 +0000 1.3 @@ -0,0 +1,53 @@ 1.4 +/* 1.5 + * Copyright 2001-2005 Sun Microsystems, Inc. All Rights Reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or 1.24 + * have any questions. 1.25 + * 1.26 + */ 1.27 + 1.28 +class AdaptivePaddedAverage; 1.29 + 1.30 +class PSPermGen : public PSOldGen { 1.31 + friend class VMStructs; 1.32 + protected: 1.33 + AdaptivePaddedAverage* _avg_size; // Used for sizing 1.34 + size_t _last_used; // Amount used at last GC, used for sizing 1.35 + 1.36 + public: 1.37 + // Initialize the generation. 1.38 + PSPermGen(ReservedSpace rs, size_t alignment, size_t initial_byte_size, 1.39 + size_t minimum_byte_size, size_t maximum_byte_size, 1.40 + const char* gen_name, int level); 1.41 + 1.42 + // Permanent Gen special allocation. Uses the OldGen allocation 1.43 + // routines, which should not be directly called on this generation. 1.44 + HeapWord* allocate_permanent(size_t word_size); 1.45 + 1.46 + // Size calculation. 1.47 + void compute_new_size(size_t used_before_collection); 1.48 + 1.49 + // MarkSweep code 1.50 + virtual void precompact(); 1.51 + 1.52 + // Parallel old 1.53 + virtual void move_and_update(ParCompactionManager* cm); 1.54 + 1.55 + virtual const char* name() const { return "PSPermGen"; } 1.56 +};