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
25extern __typeof (__memrchr) __memrchr_ppc attribute_hidden;
26extern __typeof (__memrchr) __memrchr_power7 attribute_hidden;
27extern __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. */
32libc_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

source code of glibc/sysdeps/powerpc/powerpc64/multiarch/memrchr.c