8231844: Enhance type signature characters in classfile_constants.h and improve the JVM to use type signature characters more consistently
Summary: Increase the use of type signature constants instead of hard coded characters within the JVM.
Reviewed-by: coleenp, dholmes, fparain
Contributed-by: lois.foltan@oracle.com, john.r.rose@oracle.com
/*
* Copyright (c) 2011, 2019, 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.
*
*/
#ifndef SHARE_CLASSFILE_CLASSLOADERDATA_INLINE_HPP
#define SHARE_CLASSFILE_CLASSLOADERDATA_INLINE_HPP
#include "classfile/classLoaderData.hpp"
#include "classfile/javaClasses.hpp"
#include "oops/instanceKlass.hpp"
#include "oops/oop.inline.hpp"
#include "oops/oopHandle.inline.hpp"
#include "oops/weakHandle.inline.hpp"
inline oop ClassLoaderData::class_loader() const {
assert(!_unloading, "This oop is not available to unloading class loader data");
assert(_holder.is_null() || holder_no_keepalive() != NULL , "This class loader data holder must be alive");
return _class_loader.resolve();
}
inline bool ClassLoaderData::is_boot_class_loader_data() const {
return class_loader() == NULL;
}
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_acquire(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;
}
#endif // SHARE_CLASSFILE_CLASSLOADERDATA_INLINE_HPP