/*

 * Copyright (c) 2015, 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 "oops/klass.hpp"

#include "oops/oop.inline.hpp"

template <class T>

inline void PSParallelCompact::adjust_pointer(T* p) {

  T heap_oop = oopDesc::load_heap_oop(p);

  if (!oopDesc::is_null(heap_oop)) {

    oop obj     = oopDesc::decode_heap_oop_not_null(heap_oop);

    assert(ParallelScavengeHeap::heap()->is_in(obj), "should be in heap");

    oop new_obj = (oop)summary_data().calc_new_pointer(obj);

    assert(new_obj != NULL,                    // is forwarding ptr?

           "should be forwarded");

    // Just always do the update unconditionally?

    if (new_obj != NULL) {

      assert(ParallelScavengeHeap::heap()->is_in_reserved(new_obj),

             "should be in object space");

      oopDesc::encode_store_heap_oop_not_null(p, new_obj);

    }

  }

}

template <typename T>

void PSParallelCompact::AdjustPointerClosure::do_oop_nv(T* p) {

  adjust_pointer(p);

}

inline void PSParallelCompact::AdjustPointerClosure::do_oop(oop* p)       { do_oop_nv(p); }

inline void PSParallelCompact::AdjustPointerClosure::do_oop(narrowOop* p) { do_oop_nv(p); }