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93c65d43 | 1 | /* Initialization code run first thing by the ELF startup code. Linux/s390. |
04277e02 | 2 | Copyright (C) 2008-2019 Free Software Foundation, Inc. |
0480c901 UD |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
0480c901 | 18 | |
5e855c89 AZ |
19 | #include <dl-vdso.h> |
20 | #include <libc-vdso.h> | |
0480c901 | 21 | |
f534255e AZ |
22 | long int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *) |
23 | attribute_hidden; | |
0480c901 | 24 | |
f534255e | 25 | long int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *) |
0480c901 | 26 | __attribute__ ((nocommon)); |
0480c901 | 27 | |
f534255e | 28 | long int (*VDSO_SYMBOL(clock_getres)) (clockid_t, struct timespec *) |
0480c901 | 29 | __attribute__ ((nocommon)); |
0480c901 | 30 | |
b91a333e SL |
31 | long int (*VDSO_SYMBOL(getcpu)) (unsigned *, unsigned *, void *) |
32 | attribute_hidden; | |
0480c901 UD |
33 | |
34 | static inline void | |
35 | _libc_vdso_platform_setup (void) | |
36 | { | |
85c748f9 | 37 | PREPARE_VERSION_KNOWN (linux2629, LINUX_2_6_29); |
0480c901 | 38 | |
f534255e AZ |
39 | void *p = _dl_vdso_vsym ("__kernel_gettimeofday", &linux2629); |
40 | PTR_MANGLE (p); | |
41 | VDSO_SYMBOL (gettimeofday) = p; | |
42 | ||
43 | p = _dl_vdso_vsym ("__kernel_clock_gettime", &linux2629); | |
44 | PTR_MANGLE (p); | |
45 | VDSO_SYMBOL (clock_gettime) = p; | |
46 | ||
47 | p = _dl_vdso_vsym ("__kernel_clock_getres", &linux2629); | |
48 | PTR_MANGLE (p); | |
49 | VDSO_SYMBOL (clock_getres) = p; | |
b91a333e SL |
50 | |
51 | p = _dl_vdso_vsym ("__kernel_getcpu", &linux2629); | |
52 | PTR_MANGLE (p); | |
53 | VDSO_SYMBOL (getcpu) = p; | |
0480c901 UD |
54 | } |
55 | ||
93c65d43 | 56 | #include <csu/init-first.c> |