1 /*
   2  * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
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   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
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  24 
  25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP
  26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP
  27 
  28 // The following OopClosure types get specialized versions of
  29 // "oop_oop_iterate" that invoke the closures' do_oop methods
  30 // non-virtually, using a mechanism defined in this file.  Extend these
  31 // macros in the obvious way to add specializations for new closures.
  32 
  33 enum G1Barrier {
  34   G1BarrierNone,
  35   G1BarrierEvac,
  36   G1BarrierKlass
  37 };
  38 
  39 enum G1Mark {
  40   G1MarkNone,
  41   G1MarkFromRoot,
  42   G1MarkPromotedFromRoot
  43 };
  44 
  45 // Forward declarations.
  46 
  47 template<G1Barrier barrier, G1Mark do_mark_object>
  48 class G1ParCopyClosure;
  49 
  50 class G1ParScanClosure;
  51 class G1ParPushHeapRSClosure;
  52 
  53 class FilterIntoCSClosure;
  54 class FilterOutOfRegionClosure;
  55 class G1CMOopClosure;
  56 class G1RootRegionScanClosure;
  57 
  58 // Specialized oop closures from g1RemSet.cpp
  59 class G1Mux2Closure;
  60 class G1TriggerClosure;
  61 class G1InvokeIfNotTriggeredClosure;
  62 class G1UpdateRSOrPushRefOopClosure;
  63 
  64 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP