src/share/vm/oops/annotations.cpp

Wed, 17 Jul 2013 18:06:29 -0400

author
jiangli
date
Wed, 17 Jul 2013 18:06:29 -0400
changeset 5421
825e6cb66923
parent 5208
a1ebd310d5c1
child 6680
78bbf4d43a14
permissions
-rw-r--r--

8020309: Eliminate InstanceKlass::_cached_class_file_len.
Summary: Use JvmtiCachedClassFileData.
Reviewed-by: iklam, sspitsyn, dcubed

coleenp@4037 1 /*
acorn@4497 2 * Copyright (c) 2012, 2013, 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/classLoaderData.hpp"
acorn@4497 27 #include "memory/heapInspection.hpp"
coleenp@4037 28 #include "memory/metadataFactory.hpp"
coleenp@4037 29 #include "memory/oopFactory.hpp"
coleenp@4037 30 #include "oops/annotations.hpp"
coleenp@4037 31 #include "oops/instanceKlass.hpp"
coleenp@4037 32 #include "utilities/ostream.hpp"
coleenp@4037 33
coleenp@4037 34 // Allocate annotations in metadata area
coleenp@4037 35 Annotations* Annotations::allocate(ClassLoaderData* loader_data, TRAPS) {
iklam@5208 36 return new (loader_data, size(), true, MetaspaceObj::AnnotationType, THREAD) Annotations();
coleenp@4037 37 }
coleenp@4037 38
coleenp@4037 39 // helper
coleenp@4572 40 void Annotations::free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p) {
coleenp@4037 41 if (p != NULL) {
coleenp@4037 42 for (int i = 0; i < p->length(); i++) {
coleenp@4037 43 MetadataFactory::free_array<u1>(loader_data, p->at(i));
coleenp@4037 44 }
coleenp@4037 45 MetadataFactory::free_array<AnnotationArray*>(loader_data, p);
coleenp@4037 46 }
coleenp@4037 47 }
coleenp@4037 48
coleenp@4037 49 void Annotations::deallocate_contents(ClassLoaderData* loader_data) {
coleenp@4037 50 if (class_annotations() != NULL) {
coleenp@4037 51 MetadataFactory::free_array<u1>(loader_data, class_annotations());
coleenp@4037 52 }
coleenp@4037 53 free_contents(loader_data, fields_annotations());
stefank@4393 54
coleenp@4572 55 if (class_type_annotations() != NULL) {
coleenp@4572 56 MetadataFactory::free_array<u1>(loader_data, class_type_annotations());
coleenp@4572 57 }
coleenp@4572 58 free_contents(loader_data, fields_type_annotations());
coleenp@4037 59 }
coleenp@4037 60
coleenp@4037 61 // Copy annotations to JVM call or reflection to the java heap.
coleenp@4572 62 // The alternative to creating this array and adding to Java heap pressure
coleenp@4572 63 // is to have a hashtable of the already created typeArrayOops
coleenp@4037 64 typeArrayOop Annotations::make_java_array(AnnotationArray* annotations, TRAPS) {
coleenp@4037 65 if (annotations != NULL) {
coleenp@4037 66 int length = annotations->length();
coleenp@4037 67 typeArrayOop copy = oopFactory::new_byteArray(length, CHECK_NULL);
coleenp@4037 68 for (int i = 0; i< length; i++) {
coleenp@4037 69 copy->byte_at_put(i, annotations->at(i));
coleenp@4037 70 }
coleenp@4037 71 return copy;
coleenp@4037 72 } else {
coleenp@4037 73 return NULL;
coleenp@4037 74 }
coleenp@4037 75 }
coleenp@4037 76
coleenp@4037 77
coleenp@4037 78 void Annotations::print_value_on(outputStream* st) const {
coleenp@4037 79 st->print("Anotations(" INTPTR_FORMAT ")", this);
coleenp@4037 80 }
coleenp@4037 81
acorn@4497 82 #if INCLUDE_SERVICES
acorn@4497 83 // Size Statistics
acorn@4497 84
acorn@4497 85 julong Annotations::count_bytes(Array<AnnotationArray*>* p) {
acorn@4497 86 julong bytes = 0;
acorn@4497 87 if (p != NULL) {
acorn@4497 88 for (int i = 0; i < p->length(); i++) {
acorn@4497 89 bytes += KlassSizeStats::count_array(p->at(i));
acorn@4497 90 }
acorn@4497 91 bytes += KlassSizeStats::count_array(p);
acorn@4497 92 }
acorn@4497 93 return bytes;
acorn@4497 94 }
acorn@4497 95
acorn@4497 96 void Annotations::collect_statistics(KlassSizeStats *sz) const {
acorn@4497 97 sz->_annotations_bytes = sz->count(this);
acorn@4497 98 sz->_class_annotations_bytes = sz->count(class_annotations());
coleenp@4572 99 sz->_class_type_annotations_bytes = sz->count(class_type_annotations());
acorn@4497 100 sz->_fields_annotations_bytes = count_bytes(fields_annotations());
coleenp@4572 101 sz->_fields_type_annotations_bytes = count_bytes(fields_type_annotations());
acorn@4497 102
acorn@4497 103 sz->_annotations_bytes +=
acorn@4497 104 sz->_class_annotations_bytes +
coleenp@4572 105 sz->_class_type_annotations_bytes +
acorn@4497 106 sz->_fields_annotations_bytes +
coleenp@4572 107 sz->_fields_type_annotations_bytes;
acorn@4497 108
acorn@4497 109 sz->_ro_bytes += sz->_annotations_bytes;
acorn@4497 110 }
acorn@4497 111 #endif // INCLUDE_SERVICES
acorn@4497 112
coleenp@4037 113 #define BULLET " - "
coleenp@4037 114
coleenp@4037 115 #ifndef PRODUCT
coleenp@4037 116 void Annotations::print_on(outputStream* st) const {
coleenp@4037 117 st->print(BULLET"class_annotations "); class_annotations()->print_value_on(st);
coleenp@4037 118 st->print(BULLET"fields_annotations "); fields_annotations()->print_value_on(st);
coleenp@4572 119 st->print(BULLET"class_type_annotations "); class_type_annotations()->print_value_on(st);
coleenp@4572 120 st->print(BULLET"fields_type_annotations "); fields_type_annotations()->print_value_on(st);
coleenp@4037 121 }
coleenp@4037 122 #endif // PRODUCT

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