1 /*
2 * Copyright (C) 2022 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <stddef.h>
30
31 #include <private/bionic_ifuncs.h>
32
33 extern "C" {
34
35 typedef int memset_func(void* __dst, int __ch, size_t __n);
DEFINE_IFUNC_FOR(memset)36 DEFINE_IFUNC_FOR(memset) {
37 __builtin_cpu_init();
38 if (__builtin_cpu_supports("avx2")) RETURN_FUNC(memset_func, memset_avx2);
39 RETURN_FUNC(memset_func, memset_generic);
40 }
41
42 typedef void* __memset_chk_func(void* s, int c, size_t n, size_t n2);
DEFINE_IFUNC_FOR(__memset_chk)43 DEFINE_IFUNC_FOR(__memset_chk) {
44 __builtin_cpu_init();
45 if (__builtin_cpu_supports("avx2")) RETURN_FUNC(__memset_chk_func, __memset_chk_avx2);
46 RETURN_FUNC(__memset_chk_func, __memset_chk_generic);
47 }
48
49 } // extern "C"
50