1 /*
   2  * Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef SHARE_VM_JFR_RECORDER_CHECKPOINT_CONSTANT_JFRTAGSET_HPP
  26 #define SHARE_VM_JFR_RECORDER_CHECKPOINT_CONSTANT_JFRTAGSET_HPP
  27 
  28 #include "jfr/utilities/jfrAllocation.hpp"
  29 
  30 class ClassLoaderData;
  31 class JfrArtifactClosure;
  32 class JfrArtifactSet;
  33 class JfrCheckpointWriter;
  34 class Klass;
  35 
  36 class JfrTagSet : AllStatic {
  37   friend class ConstantTagSet;
  38   friend class JfrConstantManager;
  39   friend class CLDCallback;
  40  private:
  41   static JfrArtifactSet* _artifacts;
  42   static JfrArtifactClosure* _subsystem_callback;
  43   static bool _class_unload;
  44 
  45   static void do_klass(Klass* k);
  46   static void do_unloaded_klass(Klass* k);
  47   static void do_klasses();
  48 
  49   static void do_class_loader_data(ClassLoaderData* cld);
  50   static void do_unloaded_class_loader_data(ClassLoaderData* cld);
  51   static void do_class_loaders();
  52 
  53   static void write_klass_constants(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer);
  54   static void write_class_loader_constants(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer);
  55   static void write_method_constants(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer);
  56   static void write_symbol_constants(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer);
  57   static void write(JfrCheckpointWriter* writer, JfrCheckpointWriter* leakp_writer, bool class_unload);
  58 };
  59 
  60 #endif // SHARE_VM_JFR_RECORDER_CHECKPOINT_CONSTANT_JFRTAGSET_HPP