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src/share/vm/classfile/classLoaderData.inline.hpp@7ae4e26cb1e0 (annotated)

src/share/vm/classfile/classLoaderData.inline.hpp

Thu, 12 Oct 2017 21:27:07 +0800

author

aoqi

date

Thu, 12 Oct 2017 21:27:07 +0800

changeset 7535

7ae4e26cb1e0

parent 6876

710a3c8b516e

child 8604

04d83ba48607

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#include "classfile/classLoaderData.hpp"
aoqi@0	26	#include "classfile/javaClasses.hpp"
aoqi@0	27
aoqi@0	28	inline ClassLoaderData* ClassLoaderData::class_loader_data_or_null(oop loader) {
aoqi@0	29	if (loader == NULL) {
aoqi@0	30	return ClassLoaderData::the_null_class_loader_data();
aoqi@0	31	}
aoqi@0	32	return java_lang_ClassLoader::loader_data(loader);
aoqi@0	33	}
aoqi@0	34
aoqi@0	35	inline ClassLoaderData* ClassLoaderData::class_loader_data(oop loader) {
aoqi@0	36	ClassLoaderData* loader_data = class_loader_data_or_null(loader);
aoqi@0	37	assert(loader_data != NULL, "Must be");
aoqi@0	38	return loader_data;
aoqi@0	39	}
aoqi@0	40
aoqi@0	41
aoqi@0	42	inline ClassLoaderData *ClassLoaderDataGraph::find_or_create(Handle loader, TRAPS) {
aoqi@0	43	assert(loader() != NULL,"Must be a class loader");
aoqi@0	44	// Gets the class loader data out of the java/lang/ClassLoader object, if non-null
aoqi@0	45	// it's already in the loader_data, so no need to add
aoqi@0	46	ClassLoaderData* loader_data= java_lang_ClassLoader::loader_data(loader());
aoqi@0	47	if (loader_data) {
aoqi@0	48	return loader_data;
aoqi@0	49	}
aoqi@0	50	return ClassLoaderDataGraph::add(loader, false, THREAD);
aoqi@0	51	}