1  /* Multiple versions of memcpy.
       2     All versions must be listed in ifunc-impl-list.c.
       3     Copyright (C) 2017-2023 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  /* For __ARM_NEON__ memchr_neon.S defines memchr directly and ifunc
      21     is not used.  */
      22  #if IS_IN (libc) && !defined (__ARM_NEON__)
      23  # define memcpy __redirect_memcpy
      24  # include <string.h>
      25  # undef memcpy
      26  
      27  # include <arm-ifunc.h>
      28  
      29  # define SYMBOL_NAME memcpy
      30  # include "ifunc-memcpy.h"
      31  
      32  arm_libc_ifunc_redirected (__redirect_memcpy, memcpy, IFUNC_SELECTOR);
      33  
      34  arm_libc_ifunc_hidden_def (__redirect_memcpy, memcpy);
      35  #endif