1 /*

     2  * Copyright (c) 2016, 2017, 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 #ifndef SHARE_GC_Z_ZOOP_HPP

    25 #define SHARE_GC_Z_ZOOP_HPP

    26 

    27 #include "memory/allocation.hpp"

    28 #include "oops/oopsHierarchy.hpp"

    29 

    30 class ZOop : public AllStatic {

    31 public:

    32   static oop to_oop(uintptr_t value);

    33   static uintptr_t to_address(oop o);

    34 

    35   static bool is_good(oop o);

    36   static bool is_good_or_null(oop o);

    37 

    38   static oop good(oop);

    39 };

    40 

    41 #endif // SHARE_GC_Z_ZOOP_HPP