src/share/vm/gc_implementation/g1/g1_specialized_oop_closures.hpp

Mon, 07 Jul 2014 10:12:40 +0200

author
stefank
date
Mon, 07 Jul 2014 10:12:40 +0200
changeset 6992
2c6ef90f030a
parent 6408
bc22cbb8b45a
child 7535
7ae4e26cb1e0
permissions
-rw-r--r--

8049421: G1 Class Unloading after completing a concurrent mark cycle
Reviewed-by: tschatzl, ehelin, brutisso, coleenp, roland, iveresov
Contributed-by: stefan.karlsson@oracle.com, mikael.gerdin@oracle.com

     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  */
    25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP
    26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP
    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.
    33 enum G1Barrier {
    34   G1BarrierNone,
    35   G1BarrierEvac,
    36   G1BarrierKlass
    37 };
    39 enum G1Mark {
    40   G1MarkNone,
    41   G1MarkFromRoot,
    42   G1MarkPromotedFromRoot
    43 };
    45 // Forward declarations.
    47 template<G1Barrier barrier, G1Mark do_mark_object>
    48 class G1ParCopyClosure;
    50 class G1ParScanClosure;
    51 class G1ParPushHeapRSClosure;
    53 class FilterIntoCSClosure;
    54 class FilterOutOfRegionClosure;
    55 class G1CMOopClosure;
    56 class G1RootRegionScanClosure;
    58 // Specialized oop closures from g1RemSet.cpp
    59 class G1Mux2Closure;
    60 class G1TriggerClosure;
    61 class G1InvokeIfNotTriggeredClosure;
    62 class G1UpdateRSOrPushRefOopClosure;
    64 #ifdef FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES
    65 #error "FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES already defined."
    66 #endif
    68 #define FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES(f) \
    69       f(G1ParScanClosure,_nv)                           \
    70       f(G1ParPushHeapRSClosure,_nv)                     \
    71       f(FilterIntoCSClosure,_nv)                        \
    72       f(FilterOutOfRegionClosure,_nv)                   \
    73       f(G1CMOopClosure,_nv)                             \
    74       f(G1RootRegionScanClosure,_nv)                    \
    75       f(G1Mux2Closure,_nv)                              \
    76       f(G1TriggerClosure,_nv)                           \
    77       f(G1InvokeIfNotTriggeredClosure,_nv)              \
    78       f(G1UpdateRSOrPushRefOopClosure,_nv)
    80 #ifdef FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES
    81 #error "FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES already defined."
    82 #endif
    84 #define FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f)
    86 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP

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