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
51
52
|
/* Initialization code run first thing by the ELF startup code. Linux/x86-64.
Copyright (C) 2007-2018 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/>. */
#ifdef SHARED
# include <time.h>
# include <sysdep.h>
# include <dl-vdso.h>
# include <libc-vdso.h>
long int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *)
attribute_hidden;
long int (*VDSO_SYMBOL(getcpu)) (unsigned *, unsigned *, void *)
attribute_hidden;
extern __typeof (clock_gettime) __syscall_clock_gettime attribute_hidden;
static inline void
__vdso_platform_setup (void)
{
PREPARE_VERSION (linux26, "LINUX_2.6", 61765110);
void *p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux26);
if (p == NULL)
p = __syscall_clock_gettime;
PTR_MANGLE (p);
VDSO_SYMBOL(clock_gettime) = p;
p = _dl_vdso_vsym ("__vdso_getcpu", &linux26);
PTR_MANGLE (p);
VDSO_SYMBOL(getcpu) = p;
}
# define VDSO_SETUP __vdso_platform_setup
#endif
#include <csu/init-first.c>
|
