src/hotspot/share/classfile/classLoaderDataShared.hpp - master - githubmirror/panama-vector

src/hotspot/share/classfile/classLoaderDataShared.hpp
60 строк3 KB
Ioi Lam
8374549: Extend MetaspaceClosure to cover non-MetaspaceObj types
27 янв 2026, 06:16
27 янв 2026, 06:16cba7d88
 /*
 * Copyright (c) 2020, 2026, 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_CLASSLOADERDATASHARED_HPP
#define SHARE_CLASSFILE_CLASSLOADERDATASHARED_HPP

#include "memory/allStatic.hpp"
#include "oops/oopsHierarchy.hpp"
#include "utilities/macros.hpp"

class ClassLoaderData;
class MetaspaceClosure;
class ModuleEntry;
class SerializeClosure;

class ClassLoaderDataShared : AllStatic {
  static bool _full_module_graph_loaded;
  CDS_JAVA_HEAP_ONLY(static void ensure_module_entry_table_exists(oop class_loader);)
public:
  static void load_archived_platform_and_system_class_loaders() NOT_CDS_JAVA_HEAP_RETURN;
  static void restore_archived_modules_for_preloading_classes(JavaThread* current) NOT_CDS_JAVA_HEAP_RETURN;
  static void build_tables(TRAPS) NOT_CDS_JAVA_HEAP_RETURN;
  static void iterate_roots(MetaspaceClosure* closure) NOT_CDS_JAVA_HEAP_RETURN;
  static void remove_unshareable_info() NOT_CDS_JAVA_HEAP_RETURN;
#if INCLUDE_CDS_JAVA_HEAP
  static void ensure_module_entry_tables_exist();
  static void serialize(SerializeClosure* f);
  static void clear_archived_oops();
  static void restore_archived_entries_for_null_class_loader_data();
  static oop  restore_archived_oops_for_null_class_loader_data();
  static void restore_java_platform_loader_from_archive(ClassLoaderData* loader_data);
  static void restore_java_system_loader_from_archive(ClassLoaderData* loader_data);
  static ModuleEntry* archived_boot_unnamed_module();
  static ModuleEntry* archived_unnamed_module(ClassLoaderData* loader_data);
#endif // INCLUDE_CDS_JAVA_HEAP
  static bool is_full_module_graph_loaded() { return _full_module_graph_loaded; }
};

#endif // SHARE_CLASSFILE_CLASSLOADERDATASHARED_HPP