sysdeps/powerpc/powerpc32/power4/multiarch/rawmemchr.c

   1 /* Multiple versions of rawmemchr.
   2    Copyright (C) 2013-2024 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 __rawmemchr __redirect___rawmemchr
  21 # include <string.h>
  22 # include <shlib-compat.h>
  23 # include "init-arch.h"
  24
  25 extern __typeof (__rawmemchr) __rawmemchr_ppc attribute_hidden;
  26 extern __typeof (__rawmemchr) __rawmemchr_power7 attribute_hidden;
  27 # undef __rawmemchr
  28
  29 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
  30    ifunc symbol properly.  */
  31 libc_ifunc_redirected (__redirect___rawmemchr, __rawmemchr,
  32                        (hwcap & PPC_FEATURE_HAS_VSX)
  33                        ? __rawmemchr_power7
  34                        : __rawmemchr_ppc);
  35 weak_alias (__rawmemchr, rawmemchr)
  36 #else
  37 #include <string/rawmemchr.c>
  38 #endif