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src/share/vm/oops/instanceClassLoaderKlass.cpp@aed758eda82a (annotated)

src/share/vm/oops/instanceClassLoaderKlass.cpp

Fri, 07 Sep 2012 12:04:16 -0400

author
coleenp
date
Fri, 07 Sep 2012 12:04:16 -0400
changeset 4047
aed758eda82a
parent 4037
da91efe96a93
child 4542
db9981fd3124
permissions
-rw-r--r--

7195833: NPG: Rename instanceClassLoaderKlass, instanceRefKlass and instanceMirrorKlass
Summary: Simple renaming to be consistent with instanceKlass->InstanceKlass renaming
Reviewed-by: stefank, jmasa

coleenp@4037 1 /*
coleenp@4037 2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
coleenp@4037 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
coleenp@4037 4 *
coleenp@4037 5 * This code is free software; you can redistribute it and/or modify it
coleenp@4037 6 * under the terms of the GNU General Public License version 2 only, as
coleenp@4037 7 * published by the Free Software Foundation.
coleenp@4037 8 *
coleenp@4037 9 * This code is distributed in the hope that it will be useful, but WITHOUT
coleenp@4037 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
coleenp@4037 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
coleenp@4037 12 * version 2 for more details (a copy is included in the LICENSE file that
coleenp@4037 13 * accompanied this code).
coleenp@4037 14 *
coleenp@4037 15 * You should have received a copy of the GNU General Public License version
coleenp@4037 16 * 2 along with this work; if not, write to the Free Software Foundation,
coleenp@4037 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
coleenp@4037 18 *
coleenp@4037 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
coleenp@4037 20 * or visit www.oracle.com if you need additional information or have any
coleenp@4037 21 * questions.
coleenp@4037 22 *
coleenp@4037 23 */
coleenp@4037 24
coleenp@4037 25 #include "precompiled.hpp"
coleenp@4037 26 #include "classfile/javaClasses.hpp"
coleenp@4037 27 #include "classfile/systemDictionary.hpp"
coleenp@4037 28 #include "gc_implementation/shared/markSweep.inline.hpp"
coleenp@4037 29 #include "gc_interface/collectedHeap.inline.hpp"
coleenp@4037 30 #include "memory/genOopClosures.inline.hpp"
coleenp@4037 31 #include "memory/oopFactory.hpp"
coleenp@4037 32 #include "oops/instanceKlass.hpp"
coleenp@4037 33 #include "oops/instanceClassLoaderKlass.hpp"
coleenp@4037 34 #include "oops/instanceMirrorKlass.hpp"
coleenp@4037 35 #include "oops/instanceOop.hpp"
coleenp@4037 36 #include "oops/oop.inline.hpp"
coleenp@4037 37 #include "oops/symbol.hpp"
coleenp@4037 38 #include "runtime/handles.inline.hpp"
coleenp@4037 39 #ifndef SERIALGC
coleenp@4037 40 #include "gc_implementation/parNew/parOopClosures.inline.hpp"
coleenp@4037 41 #include "gc_implementation/parallelScavenge/psPromotionManager.inline.hpp"
coleenp@4037 42 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"
coleenp@4037 43 #include "oops/oop.pcgc.inline.hpp"
coleenp@4037 44 #endif
coleenp@4037 45
coleenp@4037 46 #define if_do_metadata_checked(closure, nv_suffix) \
coleenp@4037 47 /* Make sure the non-virtual and the virtual versions match. */ \
coleenp@4037 48 assert(closure->do_metadata##nv_suffix() == closure->do_metadata(), \
coleenp@4037 49 "Inconsistency in do_metadata"); \
coleenp@4037 50 if (closure->do_metadata##nv_suffix())
coleenp@4037 51
coleenp@4047 52 // Macro to define InstanceClassLoaderKlass::oop_oop_iterate for virtual/nonvirtual for
coleenp@4037 53 // all closures. Macros calling macros above for each oop size.
coleenp@4037 54 // Since ClassLoader objects have only a pointer to the loader_data, they are not
coleenp@4037 55 // compressed nor does the pointer move.
coleenp@4037 56
coleenp@4037 57 #define InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN(OopClosureType, nv_suffix)\
coleenp@4037 58 \
coleenp@4047 59 int InstanceClassLoaderKlass:: \
coleenp@4037 60 oop_oop_iterate##nv_suffix(oop obj, OopClosureType* closure) { \
coleenp@4037 61 /* Get size before changing pointers */ \
coleenp@4037 62 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);\
coleenp@4037 63 int size = InstanceKlass::oop_oop_iterate##nv_suffix(obj, closure); \
coleenp@4037 64 \
coleenp@4037 65 if_do_metadata_checked(closure, nv_suffix) { \
coleenp@4037 66 ClassLoaderData* cld = java_lang_ClassLoader::loader_data(obj); \
coleenp@4037 67 /* cld can be null if we have a non-registered class loader. */ \
coleenp@4037 68 if (cld != NULL) { \
coleenp@4037 69 closure->do_class_loader_data(cld); \
coleenp@4037 70 } \
coleenp@4037 71 } \
coleenp@4037 72 \
coleenp@4037 73 return size; \
coleenp@4037 74 }
coleenp@4037 75
coleenp@4037 76 #ifndef SERIALGC
coleenp@4037 77 #define InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN(OopClosureType, nv_suffix) \
coleenp@4037 78 \
coleenp@4047 79 int InstanceClassLoaderKlass:: \
coleenp@4037 80 oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* closure) { \
coleenp@4037 81 /* Get size before changing pointers */ \
coleenp@4037 82 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);\
coleenp@4037 83 int size = InstanceKlass::oop_oop_iterate_backwards##nv_suffix(obj, closure); \
coleenp@4037 84 return size; \
coleenp@4037 85 }
coleenp@4037 86 #endif // !SERIALGC
coleenp@4037 87
coleenp@4037 88
coleenp@4037 89 #define InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN_m(OopClosureType, nv_suffix) \
coleenp@4037 90 \
coleenp@4047 91 int InstanceClassLoaderKlass:: \
coleenp@4037 92 oop_oop_iterate##nv_suffix##_m(oop obj, \
coleenp@4037 93 OopClosureType* closure, \
coleenp@4037 94 MemRegion mr) { \
coleenp@4037 95 SpecializationStats::record_iterate_call##nv_suffix(SpecializationStats::irk);\
coleenp@4037 96 \
coleenp@4037 97 int size = InstanceKlass::oop_oop_iterate##nv_suffix##_m(obj, closure, mr); \
coleenp@4037 98 \
coleenp@4037 99 if_do_metadata_checked(closure, nv_suffix) { \
coleenp@4037 100 if (mr.contains(obj)) { \
coleenp@4037 101 ClassLoaderData* cld = java_lang_ClassLoader::loader_data(obj); \
coleenp@4037 102 /* cld can be null if we have a non-registered class loader. */ \
coleenp@4037 103 if (cld != NULL) { \
coleenp@4037 104 closure->do_class_loader_data(cld); \
coleenp@4037 105 } \
coleenp@4037 106 } \
coleenp@4037 107 } \
coleenp@4037 108 \
coleenp@4037 109 return size; \
coleenp@4037 110 }
coleenp@4037 111
coleenp@4037 112 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN)
coleenp@4037 113 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN)
coleenp@4037 114 #ifndef SERIALGC
coleenp@4037 115 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN)
coleenp@4037 116 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DEFN)
coleenp@4037 117 #endif // SERIALGC
coleenp@4037 118 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN_m)
coleenp@4037 119 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DEFN_m)
coleenp@4037 120
coleenp@4047 121 void InstanceClassLoaderKlass::oop_follow_contents(oop obj) {
coleenp@4037 122 InstanceKlass::oop_follow_contents(obj);
coleenp@4037 123 ClassLoaderData * const loader_data = java_lang_ClassLoader::loader_data(obj);
coleenp@4037 124
coleenp@4037 125 // We must NULL check here, since the class loader
coleenp@4037 126 // can be found before the loader data has been set up.
coleenp@4037 127 if(loader_data != NULL) {
coleenp@4037 128 MarkSweep::follow_class_loader(loader_data);
coleenp@4037 129 }
coleenp@4037 130 }
coleenp@4037 131
coleenp@4037 132 #ifndef SERIALGC
coleenp@4047 133 void InstanceClassLoaderKlass::oop_follow_contents(ParCompactionManager* cm,
coleenp@4037 134 oop obj) {
coleenp@4037 135 InstanceKlass::oop_follow_contents(cm, obj);
coleenp@4037 136 ClassLoaderData * const loader_data = java_lang_ClassLoader::loader_data(obj);
coleenp@4037 137 if (loader_data != NULL) {
coleenp@4037 138 PSParallelCompact::follow_class_loader(cm, loader_data);
coleenp@4037 139 }
coleenp@4037 140 }
coleenp@4037 141
coleenp@4047 142 void InstanceClassLoaderKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
coleenp@4037 143 InstanceKlass::oop_push_contents(pm, obj);
coleenp@4037 144
coleenp@4037 145 // This is called by the young collector. It will already have taken care of
coleenp@4037 146 // all class loader data. So, we don't have to follow the class loader ->
coleenp@4037 147 // class loader data link.
coleenp@4037 148 }
coleenp@4037 149
coleenp@4047 150 int InstanceClassLoaderKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
coleenp@4037 151 InstanceKlass::oop_update_pointers(cm, obj);
coleenp@4037 152 ClassLoaderData * const loader_data = java_lang_ClassLoader::loader_data(obj);
coleenp@4037 153 if (loader_data != NULL) {
coleenp@4037 154 PSParallelCompact::adjust_class_loader(cm, loader_data);
coleenp@4037 155 }
coleenp@4037 156 return size_helper();
coleenp@4037 157 }
coleenp@4037 158 #endif // SERIALGC
coleenp@4037 159

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