1 | /* Multiple versions of memrchr. |
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 memrchr __redirect_memrchr |
21 | # include <string.h> |
22 | # include <shlib-compat.h> |
23 | # include "init-arch.h" |
24 | |
25 | extern __typeof (__memrchr) __memrchr_ppc attribute_hidden; |
26 | extern __typeof (__memrchr) __memrchr_power7 attribute_hidden; |
27 | extern __typeof (__memrchr) __memrchr_power8 attribute_hidden; |
28 | # undef memrchr |
29 | |
30 | /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle |
31 | ifunc symbol properly. */ |
32 | libc_ifunc_redirected (__redirect_memrchr, memrchr, |
33 | (hwcap2 & PPC_FEATURE2_ARCH_2_07 |
34 | && hwcap & PPC_FEATURE_HAS_ALTIVEC) |
35 | ? __memrchr_power8 : |
36 | (hwcap & PPC_FEATURE_ARCH_2_06) |
37 | ? __memrchr_power7 |
38 | : __memrchr_ppc); |
39 | #else |
40 | #include <string/memrchr.c> |
41 | #endif |
42 | |