/*

 * Copyright (c) 2015, 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.

 */

#ifndef SHARE_GC_Z_ZPAGETABLE_INLINE_HPP

#define SHARE_GC_Z_ZPAGETABLE_INLINE_HPP

#include "gc/z/zAddress.inline.hpp"

#include "gc/z/zGranuleMap.inline.hpp"

#include "gc/z/zPageTable.hpp"

inline ZPage* ZPageTable::get(uintptr_t addr) const {

  assert(!ZAddress::is_null(addr), "Invalid address");

  return _map.get(ZAddress::offset(addr));

}

inline ZPageTableIterator::ZPageTableIterator(const ZPageTable* page_table) :

    _iter(&page_table->_map),

    _prev(NULL) {}

inline bool ZPageTableIterator::next(ZPage** page) {

  for (ZPage* entry; _iter.next(&entry);) {

    if (entry != NULL && entry != _prev) {

      // Next page found

      *page = _prev = entry;

      return true;

    }

  }

  // No more pages

  return false;

}

#endif // SHARE_GC_Z_ZPAGETABLE_INLINE_HPP