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.
   8  *
   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
  21  * questions.
  22  *
  23  */
  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 // Forward declarations.
  34 enum G1Barrier {
  35   G1BarrierNone,
  36   G1BarrierEvac,
  37   G1BarrierKlass
  38 };
  39 
  40 template<G1Barrier barrier, bool do_mark_object>
  41 class G1ParCopyClosure;
  42 
  43 class G1ParScanClosure;
  44 class G1ParPushHeapRSClosure;
  45 
  46 typedef G1ParCopyClosure<G1BarrierEvac, false> G1ParScanHeapEvacClosure;
  47 
  48 class FilterIntoCSClosure;
  49 class FilterOutOfRegionClosure;
  50 class G1CMOopClosure;
  51 class G1RootRegionScanClosure;
  52 
  53 // Specialized oop closures from g1RemSet.cpp
  54 class G1Mux2Closure;
  55 class G1TriggerClosure;
  56 class G1InvokeIfNotTriggeredClosure;
  57 class G1UpdateRSOrPushRefOopClosure;
  58 
  59 #ifdef FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES
  60 #error "FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES already defined."
  61 #endif
  62 
  63 #define FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES(f) \
  64       f(G1ParScanHeapEvacClosure,_nv)                   \
  65       f(G1ParScanClosure,_nv)                           \
  66       f(G1ParPushHeapRSClosure,_nv)                     \
  67       f(FilterIntoCSClosure,_nv)                        \
  68       f(FilterOutOfRegionClosure,_nv)                   \
  69       f(G1CMOopClosure,_nv)                             \
  70       f(G1RootRegionScanClosure,_nv)                    \
  71       f(G1Mux2Closure,_nv)                              \
  72       f(G1TriggerClosure,_nv)                           \
  73       f(G1InvokeIfNotTriggeredClosure,_nv)              \
  74       f(G1UpdateRSOrPushRefOopClosure,_nv)
  75 
  76 #ifdef FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES
  77 #error "FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES already defined."
  78 #endif
  79 
  80 #define FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f)
  81 
  82 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP