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comparison src/share/vm/memory/specialized_oop_closures.hpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents f95d63e2154a
children aed758eda82a
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved. 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. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
52 class Par_PushAndMarkClosure; 52 class Par_PushAndMarkClosure;
53 class PushOrMarkClosure; 53 class PushOrMarkClosure;
54 class Par_PushOrMarkClosure; 54 class Par_PushOrMarkClosure;
55 class CMSKeepAliveClosure; 55 class CMSKeepAliveClosure;
56 class CMSInnerParMarkAndPushClosure; 56 class CMSInnerParMarkAndPushClosure;
57 // Misc
58 class NoHeaderExtendedOopClosure;
57 59
58 // This macro applies an argument macro to all OopClosures for which we 60 // This macro applies an argument macro to all OopClosures for which we
59 // want specialized bodies of "oop_oop_iterate". The arguments to "f" are: 61 // want specialized bodies of "oop_oop_iterate". The arguments to "f" are:
60 // "f(closureType, non_virtual)" 62 // "f(closureType, non_virtual)"
61 // where "closureType" is the name of the particular subclass of OopClosure, 63 // where "closureType" is the name of the particular subclass of OopClosure,
85 #else // SERIALGC 87 #else // SERIALGC
86 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f) 88 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f)
87 #endif // SERIALGC 89 #endif // SERIALGC
88 90
89 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f) \ 91 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f) \
92 f(NoHeaderExtendedOopClosure,_nv) \
90 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_S(f) \ 93 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_S(f) \
91 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f) 94 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_P(f)
92 95
93 #ifndef SERIALGC 96 #ifndef SERIALGC
94 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f) \ 97 #define SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f) \
109 // We separate these out, because sometime the general one has 112 // We separate these out, because sometime the general one has
110 // a different definition from the specialized ones, and sometimes it 113 // a different definition from the specialized ones, and sometimes it
111 // doesn't. 114 // doesn't.
112 115
113 #define ALL_OOP_OOP_ITERATE_CLOSURES_1(f) \ 116 #define ALL_OOP_OOP_ITERATE_CLOSURES_1(f) \
114 f(OopClosure,_v) \ 117 f(ExtendedOopClosure,_v) \
115 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f) 118 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_1(f)
116 119
117 #define ALL_OOP_OOP_ITERATE_CLOSURES_2(f) \ 120 #define ALL_OOP_OOP_ITERATE_CLOSURES_2(f) \
118 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f) 121 SPECIALIZED_OOP_OOP_ITERATE_CLOSURES_2(f)
119 122
129 f(PushAndMarkClosure,_nv) \ 132 f(PushAndMarkClosure,_nv) \
130 f(Par_MarkRefsIntoAndScanClosure,_nv) \ 133 f(Par_MarkRefsIntoAndScanClosure,_nv) \
131 f(Par_PushAndMarkClosure,_nv) 134 f(Par_PushAndMarkClosure,_nv)
132 135
133 #define ALL_PAR_OOP_ITERATE_CLOSURES(f) \ 136 #define ALL_PAR_OOP_ITERATE_CLOSURES(f) \
134 f(OopClosure,_v) \ 137 f(ExtendedOopClosure,_v) \
135 SPECIALIZED_PAR_OOP_ITERATE_CLOSURES(f) 138 SPECIALIZED_PAR_OOP_ITERATE_CLOSURES(f)
136 #endif // SERIALGC 139 #endif // SERIALGC
137 140
138 // This macro applies an argument macro to all OopClosures for which we 141 // This macro applies an argument macro to all OopClosures for which we
139 // want specialized bodies of a family of methods related to 142 // want specialized bodies of a family of methods related to
193 196
194 197
195 class SpecializationStats { 198 class SpecializationStats {
196 public: 199 public:
197 enum Kind { 200 enum Kind {
198 ik, // instanceKlass 201 ik, // InstanceKlass
199 irk, // instanceRefKlass 202 irk, // instanceRefKlass
200 oa, // objArrayKlass 203 oa, // objArrayKlass
201 NUM_Kinds 204 NUM_Kinds
202 }; 205 };
203 206