1  /* Multiple versions of mempcpy.
       2     Copyright (C) 2013-2023 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 mempcpy __redirect_mempcpy
      21  # define __mempcpy __redirect___mempcpy
      22  # define NO_MEMPCPY_STPCPY_REDIRECT
      23  # define __NO_STRING_INLINES
      24  # include <string.h>
      25  # include <shlib-compat.h>
      26  # include "init-arch.h"
      27  
      28  extern __typeof (__mempcpy) __mempcpy_ppc attribute_hidden;
      29  extern __typeof (__mempcpy) __mempcpy_power7 attribute_hidden;
      30  # undef mempcpy
      31  # undef __mempcpy
      32  
      33  /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
      34     ifunc symbol properly.  */
      35  libc_ifunc_redirected (__redirect___mempcpy,  __mempcpy,
      36  		       (hwcap & PPC_FEATURE_HAS_VSX)
      37  		       ? __mempcpy_power7
      38  		       : __mempcpy_ppc);
      39  
      40  weak_alias (__mempcpy, mempcpy)
      41  #else
      42  # include <string/mempcpy.c>
      43  #endif