1 /*
2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "classfile/classLoaderData.hpp"
27 #include "memory/heapInspection.hpp"
28 #include "memory/metadataFactory.hpp"
29 #include "memory/oopFactory.hpp"
30 #include "oops/annotations.hpp"
31 #include "oops/instanceKlass.hpp"
32 #include "utilities/ostream.hpp"
33
34 // Allocate annotations in metadata area
35 Annotations* Annotations::allocate(ClassLoaderData* loader_data, TRAPS) {
36 return new (loader_data, size(), true, MetaspaceObj::AnnotationType, THREAD) Annotations();
37 }
38
39 // helper
40 void Annotations::free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p) {
41 if (p != NULL) {
42 for (int i = 0; i < p->length(); i++) {
43 MetadataFactory::free_array<u1>(loader_data, p->at(i));
44 }
45 MetadataFactory::free_array<AnnotationArray*>(loader_data, p);
46 }
47 }
48
49 void Annotations::deallocate_contents(ClassLoaderData* loader_data) {
50 if (class_annotations() != NULL) {
51 MetadataFactory::free_array<u1>(loader_data, class_annotations());
52 }
53 free_contents(loader_data, fields_annotations());
54
55 if (class_type_annotations() != NULL) {
56 MetadataFactory::free_array<u1>(loader_data, class_type_annotations());
57 }
58 free_contents(loader_data, fields_type_annotations());
59 }
60
61 // Copy annotations to JVM call or reflection to the java heap.
62 // The alternative to creating this array and adding to Java heap pressure
63 // is to have a hashtable of the already created typeArrayOops
64 typeArrayOop Annotations::make_java_array(AnnotationArray* annotations, TRAPS) {
65 if (annotations != NULL) {
66 int length = annotations->length();
67 typeArrayOop copy = oopFactory::new_byteArray(length, CHECK_NULL);
68 for (int i = 0; i< length; i++) {
69 copy->byte_at_put(i, annotations->at(i));
70 }
71 return copy;
72 } else {
73 return NULL;
74 }
75 }
76
77
78 void Annotations::print_value_on(outputStream* st) const {
79 st->print("Anotations(" INTPTR_FORMAT ")", p2i(this));
80 }
81
82 #if INCLUDE_SERVICES
83 // Size Statistics
84
85 julong Annotations::count_bytes(Array<AnnotationArray*>* p) {
86 julong bytes = 0;
87 if (p != NULL) {
88 for (int i = 0; i < p->length(); i++) {
89 bytes += KlassSizeStats::count_array(p->at(i));
90 }
91 bytes += KlassSizeStats::count_array(p);
92 }
93 return bytes;
94 }
95
96 void Annotations::collect_statistics(KlassSizeStats *sz) const {
97 sz->_annotations_bytes = sz->count(this);
98 sz->_class_annotations_bytes = sz->count(class_annotations());
99 sz->_class_type_annotations_bytes = sz->count(class_type_annotations());
100 sz->_fields_annotations_bytes = count_bytes(fields_annotations());
101 sz->_fields_type_annotations_bytes = count_bytes(fields_type_annotations());
102
103 sz->_annotations_bytes +=
104 sz->_class_annotations_bytes +
105 sz->_class_type_annotations_bytes +
106 sz->_fields_annotations_bytes +
107 sz->_fields_type_annotations_bytes;
108
109 sz->_ro_bytes += sz->_annotations_bytes;
110 }
111 #endif // INCLUDE_SERVICES
112
113 #define BULLET " - "
114
115 #ifndef PRODUCT
116 void Annotations::print_on(outputStream* st) const {
117 st->print(BULLET"class_annotations "); class_annotations()->print_value_on(st);
118 st->print(BULLET"fields_annotations "); fields_annotations()->print_value_on(st);
119 st->print(BULLET"class_type_annotations "); class_type_annotations()->print_value_on(st);
120 st->print(BULLET"fields_type_annotations "); fields_type_annotations()->print_value_on(st);
121 }
122 #endif // PRODUCT