blob: 30ce597a1624efa5c7bcd96f73f2f21053738cc3 (
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
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/* Multiple versions of strstr.
All versions must be listed in ifunc-impl-list.c.
Copyright (C) 2012-2018 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/>. */
/* Redefine strstr so that the compiler won't complain about the type
mismatch with the IFUNC selector in strong_alias, below. */
#undef strstr
#define strstr __redirect_strstr
#include <string.h>
#undef strstr
#define STRSTR __strstr_sse2
#ifdef SHARED
# undef libc_hidden_builtin_def
# define libc_hidden_builtin_def(name) \
__hidden_ver1 (__strstr_sse2, __GI_strstr, __strstr_sse2);
#endif
#include "string/strstr.c"
extern __typeof (__redirect_strstr) __strstr_sse2_unaligned attribute_hidden;
extern __typeof (__redirect_strstr) __strstr_sse2 attribute_hidden;
#include "init-arch.h"
/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
ifunc symbol properly. */
extern __typeof (__redirect_strstr) __libc_strstr;
libc_ifunc (__libc_strstr,
HAS_ARCH_FEATURE (Fast_Unaligned_Load)
? __strstr_sse2_unaligned
: __strstr_sse2)
#undef strstr
strong_alias (__libc_strstr, strstr)
|
