sysdeps/x86_64/multiarch/memmove_chk.c

   1 /* Multiple versions of __memmove_chk.
   2    All versions must be listed in ifunc-impl-list.c.
   3    Copyright (C) 2010-2014 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    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <string.h>
  21 #include "init-arch.h"
  22
  23 #define MEMMOVE_CHK __memmove_chk_sse2
  24
  25 extern __typeof (__memmove_chk) __memmove_chk_sse2 attribute_hidden;
  26 extern __typeof (__memmove_chk) __memmove_chk_ssse3 attribute_hidden;
  27 extern __typeof (__memmove_chk) __memmove_chk_ssse3_back attribute_hidden;
  28
  29 #include "debug/memmove_chk.c"
  30
  31 libc_ifunc (__memmove_chk,
  32             HAS_SSSE3
  33             ? (HAS_FAST_COPY_BACKWARD
  34                ? __memmove_chk_ssse3_back : __memmove_chk_ssse3)
  35             : __memmove_chk_sse2);