aoqi@0: /*
aoqi@0:  * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #include "classfile/classLoaderData.hpp"
aoqi@0: #include "classfile/javaClasses.hpp"
aoqi@0: 
aoqi@0: inline ClassLoaderData* ClassLoaderData::class_loader_data_or_null(oop loader) {
aoqi@0:   if (loader == NULL) {
aoqi@0:     return ClassLoaderData::the_null_class_loader_data();
aoqi@0:   }
aoqi@0:   return java_lang_ClassLoader::loader_data(loader);
aoqi@0: }
aoqi@0: 
aoqi@0: inline ClassLoaderData* ClassLoaderData::class_loader_data(oop loader) {
aoqi@0:   ClassLoaderData* loader_data = class_loader_data_or_null(loader);
aoqi@0:   assert(loader_data != NULL, "Must be");
aoqi@0:   return loader_data;
aoqi@0: }
aoqi@0: 
aoqi@0: 
aoqi@0: inline ClassLoaderData *ClassLoaderDataGraph::find_or_create(Handle loader, TRAPS) {
shshahma@8444:   guarantee(loader() != NULL && loader()->is_oop(), "Loader must be oop");
aoqi@0:   // Gets the class loader data out of the java/lang/ClassLoader object, if non-null
aoqi@0:   // it's already in the loader_data, so no need to add
aoqi@0:   ClassLoaderData* loader_data= java_lang_ClassLoader::loader_data(loader());
aoqi@0:   if (loader_data) {
aoqi@0:      return loader_data;
aoqi@0:   }
aoqi@0:   return ClassLoaderDataGraph::add(loader, false, THREAD);
aoqi@0: }