1 | /* Multiple versions of rawmemchr. |
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 | # define __rawmemchr __redirect___rawmemchr |
21 | # include <string.h> |
22 | # include <shlib-compat.h> |
23 | # include "init-arch.h" |
24 | |
25 | extern __typeof (__rawmemchr) __rawmemchr_ppc attribute_hidden; |
26 | extern __typeof (__rawmemchr) __rawmemchr_power7 attribute_hidden; |
27 | # ifdef __LITTLE_ENDIAN__ |
28 | extern __typeof (__rawmemchr) __rawmemchr_power9 attribute_hidden; |
29 | extern __typeof (__rawmemchr) __rawmemchr_power10 attribute_hidden; |
30 | # endif |
31 | |
32 | # undef __rawmemchr |
33 | |
34 | /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle |
35 | ifunc symbol properly. */ |
36 | libc_ifunc_redirected (__redirect___rawmemchr, __rawmemchr, |
37 | # ifdef __LITTLE_ENDIAN__ |
38 | (hwcap2 & PPC_FEATURE2_ARCH_3_1) |
39 | && (hwcap & PPC_FEATURE_HAS_VSX) |
40 | ? __rawmemchr_power10 : |
41 | (hwcap2 & PPC_FEATURE2_ARCH_3_00 |
42 | && hwcap & PPC_FEATURE_HAS_VSX) |
43 | ? __rawmemchr_power9 : |
44 | # endif |
45 | (hwcap & PPC_FEATURE_ARCH_2_06) |
46 | ? __rawmemchr_power7 |
47 | : __rawmemchr_ppc); |
48 | |
49 | weak_alias (__rawmemchr, rawmemchr) |
50 | #else |
51 | #include <string/rawmemchr.c> |
52 | #endif |
53 | |