coleenp@4037: /*
coleenp@4037:  * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
coleenp@4037:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
coleenp@4037:  *
coleenp@4037:  * This code is free software; you can redistribute it and/or modify it
coleenp@4037:  * under the terms of the GNU General Public License version 2 only, as
coleenp@4037:  * published by the Free Software Foundation.
coleenp@4037:  *
coleenp@4037:  * This code is distributed in the hope that it will be useful, but WITHOUT
coleenp@4037:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
coleenp@4037:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
coleenp@4037:  * version 2 for more details (a copy is included in the LICENSE file that
coleenp@4037:  * accompanied this code).
coleenp@4037:  *
coleenp@4037:  * You should have received a copy of the GNU General Public License version
coleenp@4037:  * 2 along with this work; if not, write to the Free Software Foundation,
coleenp@4037:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
coleenp@4037:  *
coleenp@4037:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
coleenp@4037:  * or visit www.oracle.com if you need additional information or have any
coleenp@4037:  * questions.
coleenp@4037:  *
coleenp@4037:  */
coleenp@4037: 
coleenp@4037: #include "classfile/classLoaderData.hpp"
coleenp@4037: #include "classfile/javaClasses.hpp"
coleenp@4037: 
stefank@4667: inline ClassLoaderData* ClassLoaderData::class_loader_data_or_null(oop loader) {
stefank@4667:   if (loader == NULL) {
stefank@4667:     return ClassLoaderData::the_null_class_loader_data();
stefank@4667:   }
stefank@4667:   return java_lang_ClassLoader::loader_data(loader);
stefank@4667: }
stefank@4667: 
coleenp@4037: inline ClassLoaderData* ClassLoaderData::class_loader_data(oop loader) {
stefank@4667:   ClassLoaderData* loader_data = class_loader_data_or_null(loader);
coleenp@4037:   assert(loader_data != NULL, "Must be");
coleenp@4037:   return loader_data;
coleenp@4037: }
coleenp@4037: 
coleenp@4037: 
coleenp@4304: inline ClassLoaderData *ClassLoaderDataGraph::find_or_create(Handle loader, TRAPS) {
coleenp@4037:   assert(loader() != NULL,"Must be a class loader");
coleenp@4037:   // Gets the class loader data out of the java/lang/ClassLoader object, if non-null
coleenp@4037:   // it's already in the loader_data, so no need to add
mgerdin@5013:   ClassLoaderData* loader_data= java_lang_ClassLoader::loader_data(loader());
mgerdin@5013:   if (loader_data) {
mgerdin@5013:      return loader_data;
coleenp@4037:   }
mgerdin@5013:   return ClassLoaderDataGraph::add(loader, false, THREAD);
coleenp@4037: }