1 /* Multiple versions of mempcpy. 2 Copyright (C) 2016-2022 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-memcpy.h> 20 21 #if HAVE_MEMCPY_IFUNC 22 # define mempcpy __redirect_mempcpy 23 # define __mempcpy __redirect___mempcpy 24 # define __NO_STRING_INLINES 25 # define NO_MEMPCPY_STPCPY_REDIRECT 26 # include <string.h> 27 # undef mempcpy 28 # undef __mempcpy 29 # include <ifunc-resolve.h> 30 31 # if HAVE_MEMCPY_Z900_G5 32 extern __typeof (__redirect___mempcpy) MEMPCPY_Z900_G5 attribute_hidden; 33 # endif 34 35 # if HAVE_MEMCPY_Z10 36 extern __typeof (__redirect___mempcpy) MEMPCPY_Z10 attribute_hidden; 37 # endif 38 39 # if HAVE_MEMCPY_Z196 40 extern __typeof (__redirect___mempcpy) MEMPCPY_Z196 attribute_hidden; 41 # endif 42 43 s390_libc_ifunc_expr (__redirect___mempcpy, __mempcpy, 44 ({ 45 s390_libc_ifunc_expr_stfle_init (); 46 (HAVE_MEMCPY_Z196 && S390_IS_Z196 (stfle_bits)) 47 ? MEMPCPY_Z196 48 : (HAVE_MEMCPY_Z10 && S390_IS_Z10 (stfle_bits)) 49 ? MEMPCPY_Z10 50 : MEMPCPY_DEFAULT; 51 }) 52 ) 53 weak_alias (__mempcpy, mempcpy); 54 #endif 55