1 /* Multiple versions of wcscpy. 2 All versions must be listed in ifunc-impl-list.c. 3 Copyright (C) 2017-2021 Free Software Foundation, Inc. 4 This file is part of the GNU C Library. 5 6 The GNU C Library is free software; you can redistribute it and/or 7 modify it under the terms of the GNU Lesser General Public 8 License as published by the Free Software Foundation; either 9 version 2.1 of the License, or (at your option) any later version. 10 11 The GNU C Library is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 Lesser General Public License for more details. 15 16 You should have received a copy of the GNU Lesser General Public 17 License along with the GNU C Library; if not, see 18 <https://www.gnu.org/licenses/>. */ 19 20 /* Define multiple versions only for the definition in libc. */ 21 #if IS_IN (libc) 22 # define wcscpy __redirect_wcscpy 23 # include <wchar.h> 24 # undef wcscpy 25 26 # define SYMBOL_NAME wcscpy 27 #include <init-arch.h> 28 29 extern __typeof (REDIRECT_NAME) OPTIMIZE (ia32) attribute_hidden; 30 extern __typeof (REDIRECT_NAME) OPTIMIZE (ssse3) attribute_hidden; 31 32 static inline void * IFUNC_SELECTOR(void)33IFUNC_SELECTOR (void) 34 { 35 const struct cpu_features* cpu_features = __get_cpu_features (); 36 37 if (CPU_FEATURE_USABLE_P (cpu_features, SSSE3)) 38 return OPTIMIZE (ssse3); 39 40 return OPTIMIZE (ia32); 41 } 42 43 libc_ifunc_redirected (__redirect_wcscpy, wcscpy, IFUNC_SELECTOR ()); 44 #endif 45