view src/share/vm/gc_implementation/g1/g1_specialized_oop_closures.hpp @ 6725:da91efe96a93

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>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents b4ebad3520bb
children c685ef164975
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/*
 * Copyright (c) 2001, 2012, 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.
 *
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#ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP
#define SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP

// The following OopClosure types get specialized versions of
// "oop_oop_iterate" that invoke the closures' do_oop methods
// non-virtually, using a mechanism defined in this file.  Extend these
// macros in the obvious way to add specializations for new closures.

// Forward declarations.
enum G1Barrier {
  G1BarrierNone,
  G1BarrierRS,
  G1BarrierEvac,
  G1BarrierKlass
};

template<bool do_gen_barrier, G1Barrier barrier, bool do_mark_object>
class G1ParCopyClosure;

class G1ParScanClosure;
class G1ParPushHeapRSClosure;

typedef G1ParCopyClosure<false, G1BarrierEvac, false> G1ParScanHeapEvacClosure;

class FilterIntoCSClosure;
class FilterOutOfRegionClosure;
class G1CMOopClosure;
class G1RootRegionScanClosure;

// Specialized oop closures from g1RemSet.cpp
class G1Mux2Closure;
class G1TriggerClosure;
class G1InvokeIfNotTriggeredClosure;
class G1UpdateRSOrPushRefOopClosure;

#ifdef FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES
#error "FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES already defined."
#endif

#define FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES(f) \
      f(G1ParScanHeapEvacClosure,_nv)                   \
      f(G1ParScanClosure,_nv)                           \
      f(G1ParPushHeapRSClosure,_nv)                     \
      f(FilterIntoCSClosure,_nv)                        \
      f(FilterOutOfRegionClosure,_nv)                   \
      f(G1CMOopClosure,_nv)                             \
      f(G1RootRegionScanClosure,_nv)                    \
      f(G1Mux2Closure,_nv)                              \
      f(G1TriggerClosure,_nv)                           \
      f(G1InvokeIfNotTriggeredClosure,_nv)              \
      f(G1UpdateRSOrPushRefOopClosure,_nv)

#ifdef FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES
#error "FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES already defined."
#endif

#define FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f)

#endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP