1 /* Multiple versions of memcmp. 2 Copyright (C) 2015-2022 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 #include <ifunc-memcmp.h> 20 #if HAVE_MEMCMP_IFUNC 21 # define memcmp __redirect_memcmp 22 # include <string.h> 23 # undef memcmp 24 # include <ifunc-resolve.h> 25 26 # if HAVE_MEMCMP_Z900_G5 27 extern __typeof (__redirect_memcmp) MEMCMP_Z900_G5 attribute_hidden; 28 # endif 29 30 # if HAVE_MEMCMP_Z10 31 extern __typeof (__redirect_memcmp) MEMCMP_Z10 attribute_hidden; 32 # endif 33 34 # if HAVE_MEMCMP_Z196 35 extern __typeof (__redirect_memcmp) MEMCMP_Z196 attribute_hidden; 36 # endif 37 38 s390_libc_ifunc_expr (__redirect_memcmp, memcmp, 39 ({ 40 s390_libc_ifunc_expr_stfle_init (); 41 (HAVE_MEMCMP_Z196 && S390_IS_Z196 (stfle_bits)) 42 ? MEMCMP_Z196 43 : (HAVE_MEMCMP_Z10 && S390_IS_Z10 (stfle_bits)) 44 ? MEMCMP_Z10 45 : MEMCMP_DEFAULT; 46 }) 47 ) 48 weak_alias (memcmp, bcmp); 49 strong_alias (memcmp, __memcmpeq) 50 libc_hidden_def (__memcmpeq) 51 #endif 52