blob: c6d505bab398702e98ffd7797309ebcc1da96e70 (
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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/* Copyright (C) 2009-2019 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
<https://www.gnu.org/licenses/>. */
#ifndef _LIBC_VDSO_H
#define _LIBC_VDSO_H
#define VDSO_SYMBOL(__name) __vdso_##__name
/* Adjust the return IFUNC value from a vDSO symbol accordingly required
by the ELFv1 ABI. It is used by the architecture to create an ODP
entry since the kernel vDSO does not provide it. */
#ifndef VDSO_IFUNC_RET
# define VDSO_IFUNC_RET(__value) (__value)
#endif
#ifdef HAVE_CLOCK_GETTIME_VSYSCALL
extern int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *)
attribute_hidden;
#endif
#ifdef HAVE_CLOCK_GETTIME64_VSYSCALL
extern int (*VDSO_SYMBOL(clock_gettime64)) (clockid_t, struct __timespec64 *)
attribute_hidden;
#endif
#ifdef HAVE_CLOCK_GETRES_VSYSCALL
extern int (*VDSO_SYMBOL(clock_getres)) (clockid_t, struct timespec *)
attribute_hidden;
#endif
#ifdef HAVE_GETTIMEOFDAY_VSYSCALL
extern int (*VDSO_SYMBOL (gettimeofday)) (struct timeval *, void *)
attribute_hidden;
#endif
#ifdef HAVE_GETCPU_VSYSCALL
extern long int (*VDSO_SYMBOL(getcpu)) (unsigned *, unsigned *, void *)
attribute_hidden;
#endif
#ifdef HAVE_TIME_VSYSCALL
extern time_t (*VDSO_SYMBOL(time)) (time_t *) attribute_hidden;
#endif
#endif /* _LIBC_VDSO_H */
|
