1 /*
 2  * Copyright (c) 2015, 2020, 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_ZUTILS_HPP
25 #define SHARE_GC_Z_ZUTILS_HPP
26 
27 #include "memory/allocation.hpp"
28 
29 class ZUtils : public AllStatic {
30 public:
31   // Allocation
32   static uintptr_t alloc_aligned(size_t alignment, size_t size);
33 
34   // Size conversion
35   static size_t bytes_to_words(size_t size_in_words);
36   static size_t words_to_bytes(size_t size_in_words);
37 
38   // Object
39   static size_t object_size(uintptr_t addr);
40   static void object_copy_disjoint(uintptr_t from, uintptr_t to, size_t size);
41   static void object_copy_conjoint(uintptr_t from, uintptr_t to, size_t size);
42 };
43 
44 #endif // SHARE_GC_Z_ZUTILS_HPP