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src/share/vm/classfile/classLoaderData.inline.hpp@ede380e13960 (annotated)

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

Tue, 02 Apr 2013 11:28:33 +0200

author

mgerdin

date

Tue, 02 Apr 2013 11:28:33 +0200

changeset 4850

ede380e13960

parent 4667

1f9994892f89

child 5013

1cb4795305b9

permissions

-rw-r--r--

8009763: Add WB test for String.intern()
Summary: Add convenience method in StringTable, add WhiteBox method and simple sanity test
Reviewed-by: mgerdin, zgu
Contributed-by: leonid.mesnik@oracle.com

coleenp@4037	1	/*
coleenp@4037	2	* Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
coleenp@4037	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
coleenp@4037	4	*
coleenp@4037	5	* This code is free software; you can redistribute it and/or modify it
coleenp@4037	6	* under the terms of the GNU General Public License version 2 only, as
coleenp@4037	7	* published by the Free Software Foundation.
coleenp@4037	8	*
coleenp@4037	9	* This code is distributed in the hope that it will be useful, but WITHOUT
coleenp@4037	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
coleenp@4037	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
coleenp@4037	12	* version 2 for more details (a copy is included in the LICENSE file that
coleenp@4037	13	* accompanied this code).
coleenp@4037	14	*
coleenp@4037	15	* You should have received a copy of the GNU General Public License version
coleenp@4037	16	* 2 along with this work; if not, write to the Free Software Foundation,
coleenp@4037	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
coleenp@4037	18	*
coleenp@4037	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
coleenp@4037	20	* or visit www.oracle.com if you need additional information or have any
coleenp@4037	21	* questions.
coleenp@4037	22	*
coleenp@4037	23	*/
coleenp@4037	24
coleenp@4037	25	#include "classfile/classLoaderData.hpp"
coleenp@4037	26	#include "classfile/javaClasses.hpp"
coleenp@4037	27
stefank@4667	28	inline ClassLoaderData* ClassLoaderData::class_loader_data_or_null(oop loader) {
stefank@4667	29	if (loader == NULL) {
stefank@4667	30	return ClassLoaderData::the_null_class_loader_data();
stefank@4667	31	}
stefank@4667	32	return java_lang_ClassLoader::loader_data(loader);
stefank@4667	33	}
stefank@4667	34
coleenp@4037	35	inline ClassLoaderData* ClassLoaderData::class_loader_data(oop loader) {
stefank@4667	36	ClassLoaderData* loader_data = class_loader_data_or_null(loader);
coleenp@4037	37	assert(loader_data != NULL, "Must be");
coleenp@4037	38	return loader_data;
coleenp@4037	39	}
coleenp@4037	40
coleenp@4037	41
coleenp@4304	42	inline ClassLoaderData *ClassLoaderDataGraph::find_or_create(Handle loader, TRAPS) {
coleenp@4037	43	assert(loader() != NULL,"Must be a class loader");
coleenp@4037	44	// Gets the class loader data out of the java/lang/ClassLoader object, if non-null
coleenp@4037	45	// it's already in the loader_data, so no need to add
coleenp@4037	46	ClassLoaderData** loader_data_addr = java_lang_ClassLoader::loader_data_addr(loader());
coleenp@4037	47	ClassLoaderData* loader_data_id = *loader_data_addr;
coleenp@4037	48	if (loader_data_id) {
coleenp@4037	49	return loader_data_id;
coleenp@4037	50	}
coleenp@4304	51	return ClassLoaderDataGraph::add(loader_data_addr, loader, THREAD);
coleenp@4037	52	}