hotspot/src/share/vm/gc_implementation/g1/g1_specialized_oop_closures.hpp
author tonyp
Thu, 30 Jul 2009 16:22:58 -0400
changeset 3697 ea9211aa02f5
parent 3262 30d1c247fc25
child 4902 991aaddb5165
permissions -rw-r--r--
6819085: G1: use larger and/or user settable region size Summary: Instead of the region size being hard-coded, allow the user to set it. Reviewed-by: jmasa, johnc, apetrusenko
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/*
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 * Copyright 2001-2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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// The following OopClosure types get specialized versions of
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// "oop_oop_iterate" that invoke the closures' do_oop methods
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// non-virtually, using a mechanism defined in this file.  Extend these
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// macros in the obvious way to add specializations for new closures.
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// Forward declarations.
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enum G1Barrier {
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  G1BarrierNone, G1BarrierRS, G1BarrierEvac
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};
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template<bool do_gen_barrier, G1Barrier barrier,
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         bool do_mark_forwardee, bool skip_cset_test>
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class G1ParCopyClosure;
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class G1ParScanClosure;
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typedef G1ParCopyClosure<false, G1BarrierEvac, false, true> G1ParScanHeapEvacClosure;
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class FilterIntoCSClosure;
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class FilterOutOfRegionClosure;
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class FilterInHeapRegionAndIntoCSClosure;
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class FilterAndMarkInHeapRegionAndIntoCSClosure;
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#ifdef FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES
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#error "FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES already defined."
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#endif
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#define FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES(f) \
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      f(G1ParScanHeapEvacClosure,_nv)                   \
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      f(G1ParScanClosure,_nv)                           \
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      f(FilterIntoCSClosure,_nv)                        \
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      f(FilterOutOfRegionClosure,_nv)                   \
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      f(FilterInHeapRegionAndIntoCSClosure,_nv)         \
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      f(FilterAndMarkInHeapRegionAndIntoCSClosure,_nv)
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#ifdef FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES
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#error "FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES already defined."
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#endif
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#define FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f)