Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/parNew/parOopClosures.hpp @ 1829:fe08403130db
6979458: VM crashes when -XX:ObjectAlignmentInBytes is too big
Summary: Set upper limit 256 for ObjectAlignmentInBytes value.
Reviewed-by: never, iveresov
author | kvn |
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date | Tue, 05 Oct 2010 08:57:20 -0700 |
parents | a93a9eda13f7 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
1665 | 2 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
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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. |
0 | 22 * |
23 */ | |
24 | |
25 // Closures for ParNewGeneration | |
26 | |
27 class ParScanThreadState; | |
28 class ParNewGeneration; | |
1665 | 29 typedef Padded<OopTaskQueue> ObjToScanQueue; |
30 typedef GenericTaskQueueSet<ObjToScanQueue> ObjToScanQueueSet; | |
0 | 31 class ParallelTaskTerminator; |
32 | |
33 class ParScanClosure: public OopsInGenClosure { | |
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34 protected: |
0 | 35 ParScanThreadState* _par_scan_state; |
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36 ParNewGeneration* _g; |
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37 HeapWord* _boundary; |
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38 template <class T> void inline par_do_barrier(T* p); |
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39 template <class T> void inline do_oop_work(T* p, |
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40 bool gc_barrier, |
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41 bool root_scan); |
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42 public: |
0 | 43 ParScanClosure(ParNewGeneration* g, ParScanThreadState* par_scan_state); |
44 }; | |
45 | |
46 class ParScanWithBarrierClosure: public ParScanClosure { | |
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47 public: |
0 | 48 ParScanWithBarrierClosure(ParNewGeneration* g, |
49 ParScanThreadState* par_scan_state) : | |
50 ParScanClosure(g, par_scan_state) {} | |
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51 virtual void do_oop(oop* p); |
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52 virtual void do_oop(narrowOop* p); |
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53 inline void do_oop_nv(oop* p); |
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54 inline void do_oop_nv(narrowOop* p); |
0 | 55 }; |
56 | |
57 class ParScanWithoutBarrierClosure: public ParScanClosure { | |
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58 public: |
0 | 59 ParScanWithoutBarrierClosure(ParNewGeneration* g, |
60 ParScanThreadState* par_scan_state) : | |
61 ParScanClosure(g, par_scan_state) {} | |
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62 virtual void do_oop(oop* p); |
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63 virtual void do_oop(narrowOop* p); |
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64 inline void do_oop_nv(oop* p); |
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65 inline void do_oop_nv(narrowOop* p); |
0 | 66 }; |
67 | |
68 class ParRootScanWithBarrierTwoGensClosure: public ParScanClosure { | |
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69 public: |
0 | 70 ParRootScanWithBarrierTwoGensClosure(ParNewGeneration* g, |
71 ParScanThreadState* par_scan_state) : | |
72 ParScanClosure(g, par_scan_state) {} | |
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73 virtual void do_oop(oop* p); |
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74 virtual void do_oop(narrowOop* p); |
0 | 75 }; |
76 | |
77 class ParRootScanWithoutBarrierClosure: public ParScanClosure { | |
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78 public: |
0 | 79 ParRootScanWithoutBarrierClosure(ParNewGeneration* g, |
80 ParScanThreadState* par_scan_state) : | |
81 ParScanClosure(g, par_scan_state) {} | |
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82 virtual void do_oop(oop* p); |
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83 virtual void do_oop(narrowOop* p); |
0 | 84 }; |
85 | |
86 class ParScanWeakRefClosure: public ScanWeakRefClosure { | |
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87 protected: |
0 | 88 ParScanThreadState* _par_scan_state; |
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89 template <class T> inline void do_oop_work(T* p); |
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90 public: |
0 | 91 ParScanWeakRefClosure(ParNewGeneration* g, |
92 ParScanThreadState* par_scan_state); | |
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93 virtual void do_oop(oop* p); |
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94 virtual void do_oop(narrowOop* p); |
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95 inline void do_oop_nv(oop* p); |
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96 inline void do_oop_nv(narrowOop* p); |
0 | 97 }; |
98 | |
99 class ParEvacuateFollowersClosure: public VoidClosure { | |
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100 private: |
0 | 101 ParScanThreadState* _par_scan_state; |
102 ParScanThreadState* par_scan_state() { return _par_scan_state; } | |
103 | |
104 // We want to preserve the specific types here (rather than "OopClosure") | |
105 // for later de-virtualization of do_oop calls. | |
106 ParScanWithoutBarrierClosure* _to_space_closure; | |
107 ParScanWithoutBarrierClosure* to_space_closure() { | |
108 return _to_space_closure; | |
109 } | |
110 ParRootScanWithoutBarrierClosure* _to_space_root_closure; | |
111 ParRootScanWithoutBarrierClosure* to_space_root_closure() { | |
112 return _to_space_root_closure; | |
113 } | |
114 | |
115 ParScanWithBarrierClosure* _old_gen_closure; | |
116 ParScanWithBarrierClosure* old_gen_closure () { | |
117 return _old_gen_closure; | |
118 } | |
119 ParRootScanWithBarrierTwoGensClosure* _old_gen_root_closure; | |
120 ParRootScanWithBarrierTwoGensClosure* old_gen_root_closure () { | |
121 return _old_gen_root_closure; | |
122 } | |
123 | |
124 ParNewGeneration* _par_gen; | |
125 ParNewGeneration* par_gen() { return _par_gen; } | |
126 | |
127 ObjToScanQueueSet* _task_queues; | |
128 ObjToScanQueueSet* task_queues() { return _task_queues; } | |
129 | |
130 ParallelTaskTerminator* _terminator; | |
131 ParallelTaskTerminator* terminator() { return _terminator; } | |
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132 public: |
0 | 133 ParEvacuateFollowersClosure( |
134 ParScanThreadState* par_scan_state_, | |
135 ParScanWithoutBarrierClosure* to_space_closure_, | |
136 ParScanWithBarrierClosure* old_gen_closure_, | |
137 ParRootScanWithoutBarrierClosure* to_space_root_closure_, | |
138 ParNewGeneration* par_gen_, | |
139 ParRootScanWithBarrierTwoGensClosure* old_gen_root_closure_, | |
140 ObjToScanQueueSet* task_queues_, | |
141 ParallelTaskTerminator* terminator_); | |
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142 virtual void do_void(); |
0 | 143 }; |