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 "logging/log.hpp"
28 #include "memory/heapInspection.hpp"
29 #include "memory/metadataFactory.hpp"
30 #include "memory/metaspaceClosure.hpp"
31 #include "memory/oopFactory.hpp"
32 #include "oops/annotations.hpp"
33 #include "oops/instanceKlass.hpp"
34 #include "utilities/ostream.hpp"
35
36 // Allocate annotations in metadata area
37 Annotations* Annotations::allocate(ClassLoaderData* loader_data, TRAPS) {
38 return new (loader_data, size(), MetaspaceObj::AnnotationsType, THREAD) Annotations();
39 }
40
41 // helper
42 void Annotations::free_contents(ClassLoaderData* loader_data, Array<AnnotationArray*>* p) {
43 if (p != NULL) {
44 for (int i = 0; i < p->length(); i++) {
45 MetadataFactory::free_array<u1>(loader_data, p->at(i));
46 }
47 MetadataFactory::free_array<AnnotationArray*>(loader_data, p);
48 }
49 }
50
51 void Annotations::deallocate_contents(ClassLoaderData* loader_data) {
52 if (class_annotations() != NULL) {
53 MetadataFactory::free_array<u1>(loader_data, class_annotations());
54 }
55 free_contents(loader_data, fields_annotations());
56
57 if (class_type_annotations() != NULL) {
58 MetadataFactory::free_array<u1>(loader_data, class_type_annotations());
59 }
60 free_contents(loader_data, fields_type_annotations());
61 }
62
63 // Copy annotations to JVM call or reflection to the java heap.
64 // The alternative to creating this array and adding to Java heap pressure
65 // is to have a hashtable of the already created typeArrayOops
66 typeArrayOop Annotations::make_java_array(AnnotationArray* annotations, TRAPS) {
67 if (annotations != NULL) {
68 int length = annotations->length();
69 typeArrayOop copy = oopFactory::new_byteArray(length, CHECK_NULL);
70 for (int i = 0; i< length; i++) {
71 copy->byte_at_put(i, annotations->at(i));
72 }
73 return copy;
74 } else {
75 return NULL;
76 }
77 }
78
79 void Annotations::metaspace_pointers_do(MetaspaceClosure* it) {
80 log_trace(cds)("Iter(Annotations): %p", this);
81 it->push(&_class_annotations);
82 it->push(&_fields_annotations);
83 it->push(&_class_type_annotations);
84 it->push(&_fields_type_annotations); // FIXME: need a test case where _fields_type_annotations != NULL
85 }
86
87 void Annotations::print_value_on(outputStream* st) const {
88 st->print("Anotations(" INTPTR_FORMAT ")", p2i(this));
89 }
90
91 #if INCLUDE_SERVICES
92 // Size Statistics
93
94 julong Annotations::count_bytes(Array<AnnotationArray*>* p) {
95 julong bytes = 0;
96 if (p != NULL) {
97 for (int i = 0; i < p->length(); i++) {
98 bytes += KlassSizeStats::count_array(p->at(i));
99 }
100 bytes += KlassSizeStats::count_array(p);
101 }
102 return bytes;
103 }
104
105 void Annotations::collect_statistics(KlassSizeStats *sz) const {
106 sz->_annotations_bytes = sz->count(this);
107 sz->_class_annotations_bytes = sz->count(class_annotations());
108 sz->_class_type_annotations_bytes = sz->count(class_type_annotations());
109 sz->_fields_annotations_bytes = count_bytes(fields_annotations());
110 sz->_fields_type_annotations_bytes = count_bytes(fields_type_annotations());
111
112 sz->_annotations_bytes +=
113 sz->_class_annotations_bytes +
114 sz->_class_type_annotations_bytes +
115 sz->_fields_annotations_bytes +
116 sz->_fields_type_annotations_bytes;
117
118 sz->_ro_bytes += sz->_annotations_bytes;
119 }
120 #endif // INCLUDE_SERVICES
121
122 #define BULLET " - "
123
124 #ifndef PRODUCT
125 void Annotations::print_on(outputStream* st) const {
126 st->print(BULLET"class_annotations "); class_annotations()->print_value_on(st);
127 st->print(BULLET"fields_annotations "); fields_annotations()->print_value_on(st);
128 st->print(BULLET"class_type_annotations "); class_type_annotations()->print_value_on(st);
129 st->print(BULLET"fields_type_annotations "); fields_type_annotations()->print_value_on(st);
130 }
131 #endif // PRODUCT