Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/g1/g1_specialized_oop_closures.hpp @ 2434:c84ee870e0b9
7033292: G1: nightly failure: Non-dirty cards in region that should be dirty
Summary: The epochs on the card cache array are initialized to 0 and our initial epoch also starts at 0. So, until the first GC, it might be possible to successfully "claim" a card which was in fact never initialized.
Reviewed-by: johnc, iveresov, ysr
author | tonyp |
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date | Mon, 04 Apr 2011 13:18:35 -0400 |
parents | f95d63e2154a |
children | ae5b2f1dcf12 |
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342 | 1 /* |
1972 | 2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. |
342 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
342 | 22 * |
23 */ | |
24 | |
1972 | 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 | |
342 | 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, G1BarrierRS, G1BarrierEvac | |
36 }; | |
37 | |
526 | 38 template<bool do_gen_barrier, G1Barrier barrier, |
1261 | 39 bool do_mark_forwardee> |
342 | 40 class G1ParCopyClosure; |
41 class G1ParScanClosure; | |
1261 | 42 class G1ParPushHeapRSClosure; |
342 | 43 |
1261 | 44 typedef G1ParCopyClosure<false, G1BarrierEvac, false> G1ParScanHeapEvacClosure; |
342 | 45 |
46 class FilterIntoCSClosure; | |
47 class FilterOutOfRegionClosure; | |
48 class FilterInHeapRegionAndIntoCSClosure; | |
49 class FilterAndMarkInHeapRegionAndIntoCSClosure; | |
50 | |
51 #ifdef FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES | |
52 #error "FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES already defined." | |
53 #endif | |
54 | |
55 #define FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES(f) \ | |
56 f(G1ParScanHeapEvacClosure,_nv) \ | |
57 f(G1ParScanClosure,_nv) \ | |
1261 | 58 f(G1ParPushHeapRSClosure,_nv) \ |
342 | 59 f(FilterIntoCSClosure,_nv) \ |
60 f(FilterOutOfRegionClosure,_nv) \ | |
61 f(FilterInHeapRegionAndIntoCSClosure,_nv) \ | |
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62 f(FilterAndMarkInHeapRegionAndIntoCSClosure,_nv) |
342 | 63 |
64 #ifdef FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES | |
65 #error "FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES already defined." | |
66 #endif | |
67 | |
68 #define FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f) | |
1972 | 69 |
70 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP |