| /* |
| * Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #include "classfile/classLoaderData.hpp" |
| #include "classfile/javaClasses.hpp" |
| #include "oops/oop.inline.hpp" |
| |
| inline ClassLoaderData* ClassLoaderData::class_loader_data_or_null(oop loader) { |
| if (loader == NULL) { |
| return ClassLoaderData::the_null_class_loader_data(); |
| } |
| return java_lang_ClassLoader::loader_data(loader); |
| } |
| |
| inline ClassLoaderData* ClassLoaderData::class_loader_data(oop loader) { |
| ClassLoaderData* loader_data = class_loader_data_or_null(loader); |
| assert(loader_data != NULL, "Must be"); |
| return loader_data; |
| } |
| |
| |
| inline ClassLoaderData *ClassLoaderDataGraph::find_or_create(Handle loader, TRAPS) { |
| guarantee(loader() != NULL && oopDesc::is_oop(loader()), "Loader must be oop"); |
| // Gets the class loader data out of the java/lang/ClassLoader object, if non-null |
| // it's already in the loader_data, so no need to add |
| ClassLoaderData* loader_data= java_lang_ClassLoader::loader_data(loader()); |
| if (loader_data) { |
| return loader_data; |
| } |
| return ClassLoaderDataGraph::add(loader, false, THREAD); |
| } |