Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/oops/instanceKlass.cpp
src/share/vm/oops/instanceKlass.cpp
- changeset 3670
- f7c4174b33ba
- parent 3368
- 52b5d32fbfaf
- child 3672
- 6522ad563f99
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| 3636:fde683df4c27 | 3670:f7c4174b33ba |
|---|---|
| 1130 probe = jni_id_for_impl(this->as_klassOop(), offset); | 1130 probe = jni_id_for_impl(this->as_klassOop(), offset); |
| 1131 } | 1131 } |
| 1132 return probe; | 1132 return probe; |
| 1133 } | 1133 } |
| 1134 | 1134 |
| 1135 u2 instanceKlass::enclosing_method_data(int offset) { | |
| 1136 typeArrayOop inner_class_list = inner_classes(); | |
| 1137 if (inner_class_list == NULL) { | |
| 1138 return 0; | |
| 1139 } | |
| 1140 int length = inner_class_list->length(); | |
| 1141 if (length % inner_class_next_offset == 0) { | |
| 1142 return 0; | |
| 1143 } else { | |
| 1144 int index = length - enclosing_method_attribute_size; | |
| 1145 typeArrayHandle inner_class_list_h(inner_class_list); | |
| 1146 assert(offset < enclosing_method_attribute_size, "invalid offset"); | |
| 1147 return inner_class_list_h->ushort_at(index + offset); | |
| 1148 } | |
| 1149 } | |
| 1150 | |
| 1151 void instanceKlass::set_enclosing_method_indices(u2 class_index, | |
| 1152 u2 method_index) { | |
| 1153 typeArrayOop inner_class_list = inner_classes(); | |
| 1154 assert (inner_class_list != NULL, "_inner_classes list is not set up"); | |
| 1155 int length = inner_class_list->length(); | |
| 1156 if (length % inner_class_next_offset == enclosing_method_attribute_size) { | |
| 1157 int index = length - enclosing_method_attribute_size; | |
| 1158 typeArrayHandle inner_class_list_h(inner_class_list); | |
| 1159 inner_class_list_h->ushort_at_put( | |
| 1160 index + enclosing_method_class_index_offset, class_index); | |
| 1161 inner_class_list_h->ushort_at_put( | |
| 1162 index + enclosing_method_method_index_offset, method_index); | |
| 1163 } | |
| 1164 } | |
| 1135 | 1165 |
| 1136 // Lookup or create a jmethodID. | 1166 // Lookup or create a jmethodID. |
| 1137 // This code is called by the VMThread and JavaThreads so the | 1167 // This code is called by the VMThread and JavaThreads so the |
| 1138 // locking has to be done very carefully to avoid deadlocks | 1168 // locking has to be done very carefully to avoid deadlocks |
| 1139 // and/or other cache consistency problems. | 1169 // and/or other cache consistency problems. |
| 2104 jint instanceKlass::compute_modifier_flags(TRAPS) const { | 2134 jint instanceKlass::compute_modifier_flags(TRAPS) const { |
| 2105 klassOop k = as_klassOop(); | 2135 klassOop k = as_klassOop(); |
| 2106 jint access = access_flags().as_int(); | 2136 jint access = access_flags().as_int(); |
| 2107 | 2137 |
| 2108 // But check if it happens to be member class. | 2138 // But check if it happens to be member class. |
| 2109 typeArrayOop inner_class_list = inner_classes(); | 2139 instanceKlassHandle ik(THREAD, k); |
| 2110 int length = (inner_class_list == NULL) ? 0 : inner_class_list->length(); | 2140 InnerClassesIterator iter(ik); |
| 2111 assert (length % instanceKlass::inner_class_next_offset == 0, "just checking"); | 2141 for (; !iter.done(); iter.next()) { |
| 2112 if (length > 0) { | 2142 int ioff = iter.inner_class_info_index(); |
| 2113 typeArrayHandle inner_class_list_h(THREAD, inner_class_list); | 2143 // Inner class attribute can be zero, skip it. |
| 2114 instanceKlassHandle ik(THREAD, k); | 2144 // Strange but true: JVM spec. allows null inner class refs. |
| 2115 for (int i = 0; i < length; i += instanceKlass::inner_class_next_offset) { | 2145 if (ioff == 0) continue; |
| 2116 int ioff = inner_class_list_h->ushort_at( | 2146 |
| 2117 i + instanceKlass::inner_class_inner_class_info_offset); | 2147 // only look at classes that are already loaded |
| 2118 | 2148 // since we are looking for the flags for our self. |
| 2119 // Inner class attribute can be zero, skip it. | 2149 Symbol* inner_name = ik->constants()->klass_name_at(ioff); |
| 2120 // Strange but true: JVM spec. allows null inner class refs. | 2150 if ((ik->name() == inner_name)) { |
| 2121 if (ioff == 0) continue; | 2151 // This is really a member class. |
| 2122 | 2152 access = iter.inner_access_flags(); |
| 2123 // only look at classes that are already loaded | 2153 break; |
| 2124 // since we are looking for the flags for our self. | |
| 2125 Symbol* inner_name = ik->constants()->klass_name_at(ioff); | |
| 2126 if ((ik->name() == inner_name)) { | |
| 2127 // This is really a member class. | |
| 2128 access = inner_class_list_h->ushort_at(i + instanceKlass::inner_class_access_flags_offset); | |
| 2129 break; | |
| 2130 } | |
| 2131 } | 2154 } |
| 2132 } | 2155 } |
| 2133 // Remember to strip ACC_SUPER bit | 2156 // Remember to strip ACC_SUPER bit |
| 2134 return (access & (~JVM_ACC_SUPER)) & JVM_ACC_WRITTEN_FLAGS; | 2157 return (access & (~JVM_ACC_SUPER)) & JVM_ACC_WRITTEN_FLAGS; |
| 2135 } | 2158 } |
