Mercurial > hg > graal-compiler
annotate src/share/vm/gc_implementation/concurrentMarkSweep/cmsOopClosures.hpp @ 10290:05a17f270c7e
8014240: G1: Add remembered set size information to output of G1PrintRegionLivenessInfo
Summary: Improve the output of G1PrintRegionLivenessInfo by adding a per-region remembered set size information column
Reviewed-by: jwilhelm, johnc
author | tschatzl |
---|---|
date | Thu, 16 May 2013 13:02:33 +0200 |
parents | da91efe96a93 |
children | ca9dedeebdec |
rev | line source |
---|---|
0 | 1 /* |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
2 * Copyright (c) 2007, 2012, 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
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
994
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
994
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
994
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_HPP |
26 #define SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_HPP | |
27 | |
28 #include "memory/genOopClosures.hpp" | |
29 | |
0 | 30 ///////////////////////////////////////////////////////////////// |
31 // Closures used by ConcurrentMarkSweepGeneration's collector | |
32 ///////////////////////////////////////////////////////////////// | |
33 class ConcurrentMarkSweepGeneration; | |
34 class CMSBitMap; | |
35 class CMSMarkStack; | |
36 class CMSCollector; | |
37 class MarkFromRootsClosure; | |
38 class Par_MarkFromRootsClosure; | |
39 | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
40 // Decode the oop and call do_oop on it. |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
41 #define DO_OOP_WORK_DEFN \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
42 void do_oop(oop obj); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
43 template <class T> inline void do_oop_work(T* p) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
44 T heap_oop = oopDesc::load_heap_oop(p); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
45 if (!oopDesc::is_null(heap_oop)) { \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
46 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
47 do_oop(obj); \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
48 } \ |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
49 } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
50 |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
51 // Applies the given oop closure to all oops in all klasses visited. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
52 class CMKlassClosure : public KlassClosure { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
53 friend class CMSOopClosure; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
54 friend class CMSOopsInGenClosure; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
55 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
56 OopClosure* _oop_closure; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
57 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
58 // Used when _oop_closure couldn't be set in an initialization list. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
59 void initialize(OopClosure* oop_closure) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
60 assert(_oop_closure == NULL, "Should only be called once"); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
61 _oop_closure = oop_closure; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
62 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
63 public: |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
64 CMKlassClosure(OopClosure* oop_closure = NULL) : _oop_closure(oop_closure) { } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
65 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
66 void do_klass(Klass* k); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
67 }; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
68 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
69 // The base class for all CMS marking closures. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
70 // It's used to proxy through the metadata to the oops defined in them. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
71 class CMSOopClosure: public ExtendedOopClosure { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
72 CMKlassClosure _klass_closure; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
73 public: |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
74 CMSOopClosure() : ExtendedOopClosure() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
75 _klass_closure.initialize(this); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
76 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
77 CMSOopClosure(ReferenceProcessor* rp) : ExtendedOopClosure(rp) { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
78 _klass_closure.initialize(this); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
79 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
80 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
81 virtual bool do_metadata() { return do_metadata_nv(); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
82 inline bool do_metadata_nv() { return true; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
83 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
84 virtual void do_klass(Klass* k); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
85 void do_klass_nv(Klass* k); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
86 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
87 virtual void do_class_loader_data(ClassLoaderData* cld); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
88 }; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
89 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
90 // TODO: This duplication of the CMSOopClosure class is only needed because |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
91 // some CMS OopClosures derive from OopsInGenClosure. It would be good |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
92 // to get rid of them completely. |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
93 class CMSOopsInGenClosure: public OopsInGenClosure { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
94 CMKlassClosure _klass_closure; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
95 public: |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
96 CMSOopsInGenClosure() { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
97 _klass_closure.initialize(this); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
98 } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
99 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
100 virtual bool do_metadata() { return do_metadata_nv(); } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
101 inline bool do_metadata_nv() { return true; } |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
102 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
103 virtual void do_klass(Klass* k); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
104 void do_klass_nv(Klass* k); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
105 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
106 virtual void do_class_loader_data(ClassLoaderData* cld); |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
107 }; |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
108 |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
109 class MarkRefsIntoClosure: public CMSOopsInGenClosure { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
110 private: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
111 const MemRegion _span; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
112 CMSBitMap* _bitMap; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
113 protected: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
114 DO_OOP_WORK_DEFN |
0 | 115 public: |
994
753cf9794df9
6885169: merge of 4957990 and 6863023 causes conflict on do_nmethods
jrose
parents:
993
diff
changeset
|
116 MarkRefsIntoClosure(MemRegion span, CMSBitMap* bitMap); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
117 virtual void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
118 virtual void do_oop(narrowOop* p); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
119 |
0 | 120 Prefetch::style prefetch_style() { |
121 return Prefetch::do_read; | |
122 } | |
123 }; | |
124 | |
125 // A variant of the above used in certain kinds of CMS | |
126 // marking verification. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
127 class MarkRefsIntoVerifyClosure: public CMSOopsInGenClosure { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
128 private: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
129 const MemRegion _span; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
130 CMSBitMap* _verification_bm; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
131 CMSBitMap* _cms_bm; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
132 protected: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
133 DO_OOP_WORK_DEFN |
0 | 134 public: |
135 MarkRefsIntoVerifyClosure(MemRegion span, CMSBitMap* verification_bm, | |
994
753cf9794df9
6885169: merge of 4957990 and 6863023 causes conflict on do_nmethods
jrose
parents:
993
diff
changeset
|
136 CMSBitMap* cms_bm); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
137 virtual void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
138 virtual void do_oop(narrowOop* p); |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
139 |
0 | 140 Prefetch::style prefetch_style() { |
141 return Prefetch::do_read; | |
142 } | |
143 }; | |
144 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
145 // The non-parallel version (the parallel version appears further below). |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
146 class PushAndMarkClosure: public CMSOopClosure { |
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
147 private: |
935 | 148 CMSCollector* _collector; |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
149 MemRegion _span; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
150 CMSBitMap* _bit_map; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
151 CMSBitMap* _mod_union_table; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
152 CMSMarkStack* _mark_stack; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
153 bool _concurrent_precleaning; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
154 protected: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
155 DO_OOP_WORK_DEFN |
0 | 156 public: |
157 PushAndMarkClosure(CMSCollector* collector, | |
158 MemRegion span, | |
159 ReferenceProcessor* rp, | |
160 CMSBitMap* bit_map, | |
161 CMSBitMap* mod_union_table, | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
162 CMSMarkStack* mark_stack, |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
163 bool concurrent_precleaning); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
164 virtual void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
165 virtual void do_oop(narrowOop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
166 inline void do_oop_nv(oop* p) { PushAndMarkClosure::do_oop_work(p); } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
167 inline void do_oop_nv(narrowOop* p) { PushAndMarkClosure::do_oop_work(p); } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
168 |
0 | 169 Prefetch::style prefetch_style() { |
170 return Prefetch::do_read; | |
171 } | |
172 }; | |
173 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
174 // In the parallel case, the bit map and the |
0 | 175 // reference processor are currently all shared. Access to |
176 // these shared mutable structures must use appropriate | |
177 // synchronization (for instance, via CAS). The marking stack | |
178 // used in the non-parallel case above is here replaced with | |
179 // an OopTaskQueue structure to allow efficient work stealing. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
180 class Par_PushAndMarkClosure: public CMSOopClosure { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
181 private: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
182 CMSCollector* _collector; |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
183 MemRegion _span; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
184 CMSBitMap* _bit_map; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
185 OopTaskQueue* _work_queue; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
186 protected: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
187 DO_OOP_WORK_DEFN |
0 | 188 public: |
189 Par_PushAndMarkClosure(CMSCollector* collector, | |
190 MemRegion span, | |
191 ReferenceProcessor* rp, | |
192 CMSBitMap* bit_map, | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
193 OopTaskQueue* work_queue); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
194 virtual void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
195 virtual void do_oop(narrowOop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
196 inline void do_oop_nv(oop* p) { Par_PushAndMarkClosure::do_oop_work(p); } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
197 inline void do_oop_nv(narrowOop* p) { Par_PushAndMarkClosure::do_oop_work(p); } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
198 |
0 | 199 Prefetch::style prefetch_style() { |
200 return Prefetch::do_read; | |
201 } | |
202 }; | |
203 | |
204 // The non-parallel version (the parallel version appears further below). | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
205 class MarkRefsIntoAndScanClosure: public CMSOopsInGenClosure { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
206 private: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
207 MemRegion _span; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
208 CMSBitMap* _bit_map; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
209 CMSMarkStack* _mark_stack; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
210 PushAndMarkClosure _pushAndMarkClosure; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
211 CMSCollector* _collector; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
212 Mutex* _freelistLock; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
213 bool _yield; |
0 | 214 // Whether closure is being used for concurrent precleaning |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
215 bool _concurrent_precleaning; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
216 protected: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
217 DO_OOP_WORK_DEFN |
0 | 218 public: |
219 MarkRefsIntoAndScanClosure(MemRegion span, | |
220 ReferenceProcessor* rp, | |
221 CMSBitMap* bit_map, | |
222 CMSBitMap* mod_union_table, | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
223 CMSMarkStack* mark_stack, |
0 | 224 CMSCollector* collector, |
225 bool should_yield, | |
226 bool concurrent_precleaning); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
227 virtual void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
228 virtual void do_oop(narrowOop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
229 inline void do_oop_nv(oop* p) { MarkRefsIntoAndScanClosure::do_oop_work(p); } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
230 inline void do_oop_nv(narrowOop* p) { MarkRefsIntoAndScanClosure::do_oop_work(p); } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
231 |
0 | 232 Prefetch::style prefetch_style() { |
233 return Prefetch::do_read; | |
234 } | |
235 void set_freelistLock(Mutex* m) { | |
236 _freelistLock = m; | |
237 } | |
238 | |
239 private: | |
240 inline void do_yield_check(); | |
241 void do_yield_work(); | |
242 bool take_from_overflow_list(); | |
243 }; | |
244 | |
245 // Tn this, the parallel avatar of MarkRefsIntoAndScanClosure, the revisit | |
246 // stack and the bitMap are shared, so access needs to be suitably | |
247 // sycnhronized. An OopTaskQueue structure, supporting efficient | |
248 // workstealing, replaces a CMSMarkStack for storing grey objects. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
249 class Par_MarkRefsIntoAndScanClosure: public CMSOopsInGenClosure { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
250 private: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
251 MemRegion _span; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
252 CMSBitMap* _bit_map; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
253 OopTaskQueue* _work_queue; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
254 const uint _low_water_mark; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
255 Par_PushAndMarkClosure _par_pushAndMarkClosure; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
256 protected: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
257 DO_OOP_WORK_DEFN |
0 | 258 public: |
259 Par_MarkRefsIntoAndScanClosure(CMSCollector* collector, | |
260 MemRegion span, | |
261 ReferenceProcessor* rp, | |
262 CMSBitMap* bit_map, | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
263 OopTaskQueue* work_queue); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
264 virtual void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
265 virtual void do_oop(narrowOop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
266 inline void do_oop_nv(oop* p) { Par_MarkRefsIntoAndScanClosure::do_oop_work(p); } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
267 inline void do_oop_nv(narrowOop* p) { Par_MarkRefsIntoAndScanClosure::do_oop_work(p); } |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
268 |
0 | 269 Prefetch::style prefetch_style() { |
270 return Prefetch::do_read; | |
271 } | |
272 void trim_queue(uint size); | |
273 }; | |
274 | |
275 // This closure is used during the concurrent marking phase | |
276 // following the first checkpoint. Its use is buried in | |
277 // the closure MarkFromRootsClosure. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
278 class PushOrMarkClosure: public CMSOopClosure { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
279 private: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
280 CMSCollector* _collector; |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
281 MemRegion _span; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
282 CMSBitMap* _bitMap; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
283 CMSMarkStack* _markStack; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
284 HeapWord* const _finger; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
285 MarkFromRootsClosure* const |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
286 _parent; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
287 protected: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
288 DO_OOP_WORK_DEFN |
0 | 289 public: |
290 PushOrMarkClosure(CMSCollector* cms_collector, | |
291 MemRegion span, | |
292 CMSBitMap* bitMap, | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
293 CMSMarkStack* markStack, |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
294 HeapWord* finger, |
0 | 295 MarkFromRootsClosure* parent); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
296 virtual void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
297 virtual void do_oop(narrowOop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
298 inline void do_oop_nv(oop* p) { PushOrMarkClosure::do_oop_work(p); } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
299 inline void do_oop_nv(narrowOop* p) { PushOrMarkClosure::do_oop_work(p); } |
941 | 300 |
0 | 301 // Deal with a stack overflow condition |
302 void handle_stack_overflow(HeapWord* lost); | |
303 private: | |
304 inline void do_yield_check(); | |
305 }; | |
306 | |
307 // A parallel (MT) version of the above. | |
308 // This closure is used during the concurrent marking phase | |
309 // following the first checkpoint. Its use is buried in | |
310 // the closure Par_MarkFromRootsClosure. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
311 class Par_PushOrMarkClosure: public CMSOopClosure { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
312 private: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
313 CMSCollector* _collector; |
0 | 314 MemRegion _whole_span; |
315 MemRegion _span; // local chunk | |
316 CMSBitMap* _bit_map; | |
317 OopTaskQueue* _work_queue; | |
318 CMSMarkStack* _overflow_stack; | |
319 HeapWord* const _finger; | |
320 HeapWord** const _global_finger_addr; | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
321 Par_MarkFromRootsClosure* const |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
322 _parent; |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
323 protected: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
324 DO_OOP_WORK_DEFN |
0 | 325 public: |
326 Par_PushOrMarkClosure(CMSCollector* cms_collector, | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
327 MemRegion span, |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
328 CMSBitMap* bit_map, |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
329 OopTaskQueue* work_queue, |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
330 CMSMarkStack* mark_stack, |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
331 HeapWord* finger, |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
332 HeapWord** global_finger_addr, |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
333 Par_MarkFromRootsClosure* parent); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
334 virtual void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
335 virtual void do_oop(narrowOop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
336 inline void do_oop_nv(oop* p) { Par_PushOrMarkClosure::do_oop_work(p); } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
337 inline void do_oop_nv(narrowOop* p) { Par_PushOrMarkClosure::do_oop_work(p); } |
941 | 338 |
0 | 339 // Deal with a stack overflow condition |
340 void handle_stack_overflow(HeapWord* lost); | |
341 private: | |
342 inline void do_yield_check(); | |
343 }; | |
344 | |
345 // For objects in CMS generation, this closure marks | |
346 // given objects (transitively) as being reachable/live. | |
347 // This is currently used during the (weak) reference object | |
452
00b023ae2d78
6722113: CMS: Incorrect overflow handling during precleaning of Reference lists
ysr
parents:
143
diff
changeset
|
348 // processing phase of the CMS final checkpoint step, as |
00b023ae2d78
6722113: CMS: Incorrect overflow handling during precleaning of Reference lists
ysr
parents:
143
diff
changeset
|
349 // well as during the concurrent precleaning of the discovered |
00b023ae2d78
6722113: CMS: Incorrect overflow handling during precleaning of Reference lists
ysr
parents:
143
diff
changeset
|
350 // reference lists. |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
351 class CMSKeepAliveClosure: public CMSOopClosure { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
352 private: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
353 CMSCollector* _collector; |
143
b5489bb705c9
6662086: 6u4+, 7b11+: CMS never clears referents when -XX:+ParallelRefProcEnabled
ysr
parents:
113
diff
changeset
|
354 const MemRegion _span; |
0 | 355 CMSMarkStack* _mark_stack; |
356 CMSBitMap* _bit_map; | |
452
00b023ae2d78
6722113: CMS: Incorrect overflow handling during precleaning of Reference lists
ysr
parents:
143
diff
changeset
|
357 bool _concurrent_precleaning; |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
358 protected: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
359 DO_OOP_WORK_DEFN |
0 | 360 public: |
361 CMSKeepAliveClosure(CMSCollector* collector, MemRegion span, | |
452
00b023ae2d78
6722113: CMS: Incorrect overflow handling during precleaning of Reference lists
ysr
parents:
143
diff
changeset
|
362 CMSBitMap* bit_map, CMSMarkStack* mark_stack, |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
363 bool cpc); |
452
00b023ae2d78
6722113: CMS: Incorrect overflow handling during precleaning of Reference lists
ysr
parents:
143
diff
changeset
|
364 bool concurrent_precleaning() const { return _concurrent_precleaning; } |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
365 virtual void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
366 virtual void do_oop(narrowOop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
367 inline void do_oop_nv(oop* p) { CMSKeepAliveClosure::do_oop_work(p); } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
368 inline void do_oop_nv(narrowOop* p) { CMSKeepAliveClosure::do_oop_work(p); } |
0 | 369 }; |
370 | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
371 class CMSInnerParMarkAndPushClosure: public CMSOopClosure { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
372 private: |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
373 CMSCollector* _collector; |
0 | 374 MemRegion _span; |
375 OopTaskQueue* _work_queue; | |
376 CMSBitMap* _bit_map; | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
377 protected: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
378 DO_OOP_WORK_DEFN |
0 | 379 public: |
380 CMSInnerParMarkAndPushClosure(CMSCollector* collector, | |
381 MemRegion span, CMSBitMap* bit_map, | |
935 | 382 OopTaskQueue* work_queue); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
383 virtual void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
384 virtual void do_oop(narrowOop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
385 inline void do_oop_nv(oop* p) { CMSInnerParMarkAndPushClosure::do_oop_work(p); } |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
386 inline void do_oop_nv(narrowOop* p) { CMSInnerParMarkAndPushClosure::do_oop_work(p); } |
0 | 387 }; |
388 | |
389 // A parallel (MT) version of the above, used when | |
390 // reference processing is parallel; the only difference | |
391 // is in the do_oop method. | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
392 class CMSParKeepAliveClosure: public CMSOopClosure { |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
393 private: |
0 | 394 MemRegion _span; |
395 OopTaskQueue* _work_queue; | |
396 CMSBitMap* _bit_map; | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
397 CMSInnerParMarkAndPushClosure |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
398 _mark_and_push; |
0 | 399 const uint _low_water_mark; |
400 void trim_queue(uint max); | |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
401 protected: |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
402 DO_OOP_WORK_DEFN |
0 | 403 public: |
404 CMSParKeepAliveClosure(CMSCollector* collector, MemRegion span, | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1972
diff
changeset
|
405 CMSBitMap* bit_map, OopTaskQueue* work_queue); |
113
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
406 virtual void do_oop(oop* p); |
ba764ed4b6f2
6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
coleenp
parents:
0
diff
changeset
|
407 virtual void do_oop(narrowOop* p); |
0 | 408 }; |
1972 | 409 |
410 #endif // SHARE_VM_GC_IMPLEMENTATION_CONCURRENTMARKSWEEP_CMSOOPCLOSURES_HPP |