Mercurial > hg > graal-jvmci-8
diff src/share/vm/gc_implementation/parallelScavenge/psPermGen.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/gc_implementation/parallelScavenge/psPermGen.hpp Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,53 @@ +/* + * 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"; } +};