1/* Initialization code run first thing by the ELF startup code. Linux/x86-64.
2 Copyright (C) 2007-2019 Free Software Foundation, Inc.
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
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <time.h>
20#include <sysdep.h>
21#include <dl-vdso.h>
22#include <libc-vdso.h>
23
24long int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *)
25 attribute_hidden;
26long int (*VDSO_SYMBOL(getcpu)) (unsigned *, unsigned *, void *)
27 attribute_hidden;
28
29extern __typeof (clock_gettime) __syscall_clock_gettime attribute_hidden;
30
31
32static inline void
33__vdso_platform_setup (void)
34{
35 PREPARE_VERSION (linux26, "LINUX_2.6", 61765110);
36
37 void *p = _dl_vdso_vsym ("__vdso_clock_gettime", &linux26);
38 if (p == NULL)
39 p = __syscall_clock_gettime;
40 PTR_MANGLE (p);
41 VDSO_SYMBOL(clock_gettime) = p;
42
43 p = _dl_vdso_vsym ("__vdso_getcpu", &linux26);
44 PTR_MANGLE (p);
45 VDSO_SYMBOL(getcpu) = p;
46}
47
48#define VDSO_SETUP __vdso_platform_setup
49
50#include <csu/init-first.c>
51