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
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22  */
23 
24 #ifndef SHARE_GC_Z_ZUTILS_INLINE_HPP
25 #define SHARE_GC_Z_ZUTILS_INLINE_HPP
26 
27 #include "gc/z/zUtils.hpp"
28 
29 #include "gc/z/zOop.inline.hpp"
30 #include "oops/oop.inline.hpp"
31 #include "utilities/align.hpp"
32 #include "utilities/copy.hpp"
33 #include "utilities/debug.hpp"
34 #include "utilities/globalDefinitions.hpp"
35 
36 inline size_t ZUtils::bytes_to_words(size_t size_in_bytes) {
37   assert(is_aligned(size_in_bytes, BytesPerWord), "Size not word aligned");
38   return size_in_bytes >> LogBytesPerWord;
39 }
40 
41 inline size_t ZUtils::words_to_bytes(size_t size_in_words) {
42   return size_in_words << LogBytesPerWord;
43 }
44 
45 inline size_t ZUtils::object_size(uintptr_t addr) {
46   return words_to_bytes(ZOop::from_address(addr)->size());
47 }
48 
49 inline void ZUtils::object_copy_disjoint(uintptr_t from, uintptr_t to, size_t size) {
50   Copy::aligned_disjoint_words((HeapWord*)from, (HeapWord*)to, bytes_to_words(size));
51 }
52 
53 inline void ZUtils::object_copy_conjoint(uintptr_t from, uintptr_t to, size_t size) {
54   if (from != to) {
55     Copy::aligned_conjoint_words((HeapWord*)from, (HeapWord*)to, bytes_to_words(size));
56   }
57 }
58 
59 #endif // SHARE_GC_Z_ZUTILS_INLINE_HPP