blob: 8613988db13bbf555a0cbc600049edfe9b355ea9 (
plain)
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
|
/* Multiple versions of strlen. AARCH64 version.
Copyright (C) 2018-2019 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/>. */
/* Define multiple versions only for the definition in libc. */
#if IS_IN (libc)
/* Redefine strlen so that the compiler won't complain about the type
mismatch with the IFUNC selector in strong_alias, below. */
# undef strlen
# define strlen __redirect_strlen
# include <string.h>
# include <init-arch.h>
#define USE_ASIMD_STRLEN() IS_FALKOR (midr)
extern __typeof (__redirect_strlen) __strlen;
extern __typeof (__redirect_strlen) __strlen_generic attribute_hidden;
extern __typeof (__redirect_strlen) __strlen_asimd attribute_hidden;
libc_ifunc (__strlen,
(USE_ASIMD_STRLEN () ? __strlen_asimd : __strlen_generic));
# undef strlen
strong_alias (__strlen, strlen);
#endif
|
GitWeb
