1 | /* Multiple versions of memchr. |
2 | Copyright (C) 2013-2024 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #if IS_IN (libc) |
20 | # include <string.h> |
21 | # include <shlib-compat.h> |
22 | # include "init-arch.h" |
23 | |
24 | extern __typeof (__memchr) __memchr_ppc attribute_hidden; |
25 | extern __typeof (__memchr) __memchr_power7 attribute_hidden; |
26 | extern __typeof (__memchr) __memchr_power8 attribute_hidden; |
27 | |
28 | # ifdef __LITTLE_ENDIAN__ |
29 | extern __typeof (__memchr) __memchr_power10 attribute_hidden; |
30 | # endif |
31 | /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle |
32 | ifunc symbol properly. */ |
33 | libc_ifunc (__memchr, |
34 | # ifdef __LITTLE_ENDIAN__ |
35 | (hwcap2 & PPC_FEATURE2_ARCH_3_1 |
36 | && hwcap & PPC_FEATURE_HAS_VSX) |
37 | ? __memchr_power10 : |
38 | # endif |
39 | (hwcap2 & PPC_FEATURE2_ARCH_2_07 |
40 | && hwcap & PPC_FEATURE_HAS_ALTIVEC) |
41 | ? __memchr_power8 : |
42 | (hwcap & PPC_FEATURE_ARCH_2_06) |
43 | ? __memchr_power7 |
44 | : __memchr_ppc); |
45 | |
46 | weak_alias (__memchr, memchr) |
47 | libc_hidden_builtin_def (memchr) |
48 | #else |
49 | #include <string/memchr.c> |
50 | #endif |
51 | |