blob: d005d133220159b7d2d877c2bf1f3aebea9afefe (
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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/* vDSO internal symbols. Linux generic version.
Copyright (C) 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/>. */
#include <dl-vdso.h>
#include <libc-vdso.h>
/* vDSO symbol used on clock_gettime implementation. */
#ifdef HAVE_CLOCK_GETTIME_VSYSCALL
int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *)
attribute_hidden;
#endif
/* vDSO symbol used on clock_gettime64 implementation. */
#ifdef HAVE_CLOCK_GETTIME64_VSYSCALL
int (*VDSO_SYMBOL(clock_gettime64)) (clockid_t, struct __timespec64 *)
attribute_hidden;
#endif
/* vDSO symbol used on clock_getres implementation. */
#ifdef HAVE_CLOCK_GETRES_VSYSCALL
int (*VDSO_SYMBOL(clock_getres)) (clockid_t, struct timespec *)
attribute_hidden;
#endif
/* vDSO symbol used on gettimeofday implementation. */
#ifdef HAVE_GETTIMEOFDAY_VSYSCALL
int (*VDSO_SYMBOL (gettimeofday)) (struct timeval *, void *)
attribute_hidden;
#endif
/* vDSO symbol used on GNU extension getcpu implementation. */
#ifdef HAVE_GETCPU_VSYSCALL
long int (*VDSO_SYMBOL(getcpu)) (unsigned *, unsigned *, void *)
attribute_hidden;
#endif
/* vDSO symbol used on time implementation. */
#ifdef HAVE_TIME_VSYSCALL
time_t (*VDSO_SYMBOL(time)) (time_t *) attribute_hidden;
#endif
static inline void
__libc_vdso_platform_setup (void)
{
#ifdef HAVE_CLOCK_GETTIME_VSYSCALL
VDSO_SYMBOL(clock_gettime)
= get_vdso_mangle_symbol (HAVE_CLOCK_GETTIME_VSYSCALL);
#endif
#ifdef HAVE_CLOCK_GETTIME64_VSYSCALL
VDSO_SYMBOL(clock_gettime64)
= get_vdso_mangle_symbol (HAVE_CLOCK_GETTIME64_VSYSCALL);
#endif
#ifdef HAVE_CLOCK_GETRES_VSYSCALL
VDSO_SYMBOL(clock_getres)
= get_vdso_mangle_symbol (HAVE_CLOCK_GETRES_VSYSCALL);
#endif
#ifdef HAVE_GETTIMEOFDAY_VSYSCALL
VDSO_SYMBOL(gettimeofday)
= get_vdso_mangle_symbol (HAVE_GETTIMEOFDAY_VSYSCALL);
#endif
#ifdef HAVE_GETCPU_VSYSCALL
VDSO_SYMBOL(getcpu) = get_vdso_mangle_symbol (HAVE_GETCPU_VSYSCALL);
#endif
#ifdef HAVE_TIME_VSYSCALL
VDSO_SYMBOL(time) = get_vdso_mangle_symbol (HAVE_TIME_VSYSCALL);
#endif
#ifdef VDSO_SETUP_ARCH
VDSO_SETUP_ARCH ();
#endif
}
#define VDSO_SETUP __libc_vdso_platform_setup
#include <csu/init-first.c>
|
