hotspot/src/share/vm/oops/klassPS.hpp
author coleenp
Sat, 01 Sep 2012 13:25:18 -0400
changeset 13728 882756847a04
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child 15482 470d0b0c09f1
permissions -rw-r--r--
6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
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/*
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 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_OOPS_KLASSPS_HPP
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#define SHARE_VM_OOPS_KLASSPS_HPP
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  // Expands to Parallel Scavenge and Parallel Old declarations
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#ifndef SERIALGC
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#define PARALLEL_GC_DECLS \
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  virtual void oop_push_contents(PSPromotionManager* pm, oop obj);          \
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  /* Parallel Old GC support                                                \
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                                                                            \
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   The 2-arg version of oop_update_pointers is for objects that are         \
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   known not to cross chunk boundaries.  The 4-arg version is for           \
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   objects that do (or may) cross chunk boundaries; it updates only those   \
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   oops that are in the region [beg_addr, end_addr).  */                    \
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  virtual void oop_follow_contents(ParCompactionManager* cm, oop obj);      \
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  virtual int  oop_update_pointers(ParCompactionManager* cm, oop obj);
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// Pure virtual version for klass.hpp
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#define PARALLEL_GC_DECLS_PV \
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  virtual void oop_push_contents(PSPromotionManager* pm, oop obj) = 0;      \
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  virtual void oop_follow_contents(ParCompactionManager* cm, oop obj) = 0;  \
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  virtual int  oop_update_pointers(ParCompactionManager* cm, oop obj) = 0;
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#else  // SERIALGC
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#define PARALLEL_GC_DECLS
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#define PARALLEL_GC_DECLS_PV
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#endif // SERIALGC
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#endif // SHARE_VM_OOPS_KLASSPS_HPP