Wed, 16 Feb 2011 13:30:31 -0800
7013964: openjdk LICENSE file needs rebranding
Reviewed-by: darcy, katleman, jjg
1 /*
2 * Copyright (c) 2003, 2010, 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 */
25 #ifndef CPU_X86_VM_COPY_X86_HPP
26 #define CPU_X86_VM_COPY_X86_HPP
28 // Inline functions for memory copy and fill.
30 // Contains inline asm implementations
31 #ifdef TARGET_OS_ARCH_linux_x86
32 # include "copy_linux_x86.inline.hpp"
33 #endif
34 #ifdef TARGET_OS_ARCH_solaris_x86
35 # include "copy_solaris_x86.inline.hpp"
36 #endif
37 #ifdef TARGET_OS_ARCH_windows_x86
38 # include "copy_windows_x86.inline.hpp"
39 #endif
42 static void pd_fill_to_words(HeapWord* tohw, size_t count, juint value) {
43 #ifdef AMD64
44 julong* to = (julong*) tohw;
45 julong v = ((julong) value << 32) | value;
46 while (count-- > 0) {
47 *to++ = v;
48 }
49 #else
50 juint* to = (juint*)tohw;
51 count *= HeapWordSize / BytesPerInt;
52 while (count-- > 0) {
53 *to++ = value;
54 }
55 #endif // AMD64
56 }
58 static void pd_fill_to_aligned_words(HeapWord* tohw, size_t count, juint value) {
59 pd_fill_to_words(tohw, count, value);
60 }
62 static void pd_fill_to_bytes(void* to, size_t count, jubyte value) {
63 (void)memset(to, value, count);
64 }
66 static void pd_zero_to_words(HeapWord* tohw, size_t count) {
67 pd_fill_to_words(tohw, count, 0);
68 }
70 static void pd_zero_to_bytes(void* to, size_t count) {
71 (void)memset(to, 0, count);
72 }
74 #endif // CPU_X86_VM_COPY_X86_HPP