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70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#include "precompiled.hpp"
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#include "classfile/classLoader.hpp"
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#include "classfile/classLoaderData.inline.hpp"
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#include "oops/instanceKlassMiscStatus.hpp"
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#include "runtime/safepoint.hpp"
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#include "utilities/macros.hpp"
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#if INCLUDE_CDS
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void InstanceKlassMiscStatus::set_shared_class_loader_type(s2 loader_type) {
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switch (loader_type) {
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case ClassLoader::BOOT_LOADER:
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_flags |= _misc_is_shared_boot_class;
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break;
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case ClassLoader::PLATFORM_LOADER:
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_flags |= _misc_is_shared_platform_class;
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break;
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case ClassLoader::APP_LOADER:
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_flags |= _misc_is_shared_app_class;
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break;
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default:
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ShouldNotReachHere();
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break;
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}
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}
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void InstanceKlassMiscStatus::assign_class_loader_type(const ClassLoaderData* cld) {
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if (cld->is_boot_class_loader_data()) {
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set_shared_class_loader_type(ClassLoader::BOOT_LOADER);
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}
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else if (cld->is_platform_class_loader_data()) {
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set_shared_class_loader_type(ClassLoader::PLATFORM_LOADER);
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}
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else if (cld->is_system_class_loader_data()) {
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set_shared_class_loader_type(ClassLoader::APP_LOADER);
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}
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}
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#ifdef ASSERT
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void InstanceKlassMiscStatus::assert_is_safe(bool set) {
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// Setting a flag is safe if it's set once or at a safepoint. RedefineClasses can set or
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// reset flags at a safepoint.
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assert(!set || SafepointSynchronize::is_at_safepoint(), "set once or at safepoint");
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}
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#endif // ASSERT
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#endif // INCLUDE_CDS
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