sysdeps/x86_64/multiarch/memmove_chk.c

   1 /* Multiple versions of __memmove_chk.
   2    Copyright (C) 2010 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    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <string.h>
  20 #include "init-arch.h"
  21
  22 #define MEMMOVE_CHK __memmove_chk_sse2
  23
  24 extern __typeof (__memmove_chk) __memmove_chk_sse2 attribute_hidden;
  25 extern __typeof (__memmove_chk) __memmove_chk_ssse3 attribute_hidden;
  26 extern __typeof (__memmove_chk) __memmove_chk_ssse3_back attribute_hidden;
  27
  28 #include "debug/memmove_chk.c"
  29
  30 libc_ifunc (__memmove_chk,
  31             HAS_SSSE3
  32             ? (HAS_FAST_COPY_BACKWARD
  33                ? __memmove_chk_ssse3_back : __memmove_chk_ssse3)
  34             : __memmove_chk_sse2);