1 /* Multiple versions of rawmemchr. 2 Copyright (C) 2013-2021 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