/*

 * Copyright (c) 2017, 2019, 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 "gc/z/zForwarding.hpp"

#include "gc/z/zRelocationSet.hpp"

#include "memory/allocation.hpp"

ZRelocationSet::ZRelocationSet() :

    _forwardings(NULL),

    _nforwardings(0) {}

void ZRelocationSet::populate(ZPage* const* group0, size_t ngroup0,

                              ZPage* const* group1, size_t ngroup1) {

  _nforwardings = ngroup0 + ngroup1;

  _forwardings = REALLOC_C_HEAP_ARRAY(ZForwarding*, _forwardings, _nforwardings, mtGC);

  size_t j = 0;

  // Populate group 0

  for (size_t i = 0; i < ngroup0; i++) {

    _forwardings[j++] = ZForwarding::create(group0[i]);

  }

  // Populate group 1

  for (size_t i = 0; i < ngroup1; i++) {

    _forwardings[j++] = ZForwarding::create(group1[i]);

  }

}

void ZRelocationSet::reset() {

  for (size_t i = 0; i < _nforwardings; i++) {

    ZForwarding::destroy(_forwardings[i]);

    _forwardings[i] = NULL;

  }

}