classLoaderData.inline.hpp revision 3602:da91efe96a93 
1/*
2 * Copyright (c) 2011, 2012, 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
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23 */
24
25#include "classfile/classLoaderData.hpp"
26#include "classfile/javaClasses.hpp"
27
28inline ClassLoaderData* ClassLoaderData::class_loader_data(oop loader) {
29  if (loader == NULL) return ClassLoaderData::the_null_class_loader_data();
30  ClassLoaderData* loader_data = java_lang_ClassLoader::loader_data(loader);
31  assert(loader_data != NULL, "Must be");
32  return loader_data;
33}
34
35
36inline ClassLoaderData *ClassLoaderDataGraph::find_or_create(Handle loader) {
37  assert(loader() != NULL,"Must be a class loader");
38  // Gets the class loader data out of the java/lang/ClassLoader object, if non-null
39  // it's already in the loader_data, so no need to add
40  ClassLoaderData** loader_data_addr = java_lang_ClassLoader::loader_data_addr(loader());
41  ClassLoaderData* loader_data_id = *loader_data_addr;
42  if (loader_data_id) {
43     return loader_data_id;
44  }
45  return ClassLoaderDataGraph::add(loader_data_addr, loader);
46}
47