1 /* Multiple versions of memrchr. 2 Copyright (C) 2013-2022 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 (__memrchr) __memrchr_ppc attribute_hidden; 25 extern __typeof (__memrchr) __memrchr_power7 attribute_hidden; 26 extern __typeof (__memrchr) __memrchr_power8 attribute_hidden; 27 28 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle 29 ifunc symbol properly. */ 30 libc_ifunc (__memrchr, 31 (hwcap2 & PPC_FEATURE2_ARCH_2_07 32 && hwcap & PPC_FEATURE_HAS_ALTIVEC) 33 ? __memrchr_power8 : 34 (hwcap & PPC_FEATURE_ARCH_2_06) 35 ? __memrchr_power7 36 : __memrchr_ppc); 37 38 weak_alias (__memrchr, memrchr) 39 #else 40 #include <string/memrchr.c> 41 #endif 42