about summary refs log tree commit diff
path: root/sysdeps/x86_64/multiarch/memmove_chk.c
blob: 44344f2820c52c234672975326c3e659e719ec62 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/* Multiple versions of __memmove_chk.
   All versions must be listed in ifunc-impl-list.c.
   Copyright (C) 2010-2014 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#include <string.h>
#include "init-arch.h"

#define MEMMOVE_CHK __memmove_chk_sse2

extern __typeof (__memmove_chk) __memmove_chk_sse2 attribute_hidden;
extern __typeof (__memmove_chk) __memmove_chk_ssse3 attribute_hidden;
extern __typeof (__memmove_chk) __memmove_chk_ssse3_back attribute_hidden;
extern __typeof (__memmove_chk) __memmove_chk_avx_unaligned attribute_hidden;

#include "debug/memmove_chk.c"

libc_ifunc (__memmove_chk,
	    HAS_AVX ? __memmove_chk_avx_unaligned :
	    (HAS_SSSE3
	    ? (HAS_FAST_COPY_BACKWARD
	       ? __memmove_chk_ssse3_back : __memmove_chk_ssse3)
	    : __memmove_chk_sse2));