/*
 * Copyright (c) 2011, 2013, 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.
 *
 */

#include "precompiled.hpp"
#include "classfile/javaClasses.hpp"
#include "classfile/systemDictionary.hpp"
#include "gc_implementation/shared/markSweep.inline.hpp"
#include "gc_interface/collectedHeap.inline.hpp"
#include "memory/genOopClosures.inline.hpp"
#include "memory/iterator.inline.hpp"
#include "memory/oopFactory.hpp"
#include "oops/instanceKlass.hpp"
#include "oops/instanceClassLoaderKlass.hpp"
#if INCLUDE_ALL_GCS
#include "gc_implementation/parallelScavenge/psParallelCompact.hpp"
#endif

InstanceClassLoaderKlass::InstanceClassLoaderKlass(int vtable_len, int itable_len, int static_field_size, int nonstatic_oop_map_size, ReferenceType rt, AccessFlags access_flags, bool is_anonymous)
    : InstanceKlass(vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt, access_flags, is_anonymous, _instance_class_loader) {}

void InstanceClassLoaderKlass::oop_follow_contents(oop obj) {
  InstanceKlass::oop_follow_contents(obj);
  ClassLoaderData * const loader_data = java_lang_ClassLoader::loader_data(obj);

  // We must NULL check here, since the class loader
  // can be found before the loader data has been set up.
  if(loader_data != NULL) {
    MarkSweep::follow_class_loader(loader_data);
  }
}

#if INCLUDE_ALL_GCS
void InstanceClassLoaderKlass::oop_follow_contents(ParCompactionManager* cm,
        oop obj) {
  InstanceKlass::oop_follow_contents(cm, obj);
  ClassLoaderData * const loader_data = java_lang_ClassLoader::loader_data(obj);
  if (loader_data != NULL) {
    PSParallelCompact::follow_class_loader(cm, loader_data);
  }
}

void InstanceClassLoaderKlass::oop_push_contents(PSPromotionManager* pm, oop obj) {
  InstanceKlass::oop_push_contents(pm, obj);

  // This is called by the young collector. It will already have taken care of
  // all class loader data. So, we don't have to follow the class loader ->
  // class loader data link.
}

int InstanceClassLoaderKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
  InstanceKlass::oop_update_pointers(cm, obj);
  return size_helper();
}

#endif // INCLUDE_ALL_GCS