mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 21:40:12 +00:00
53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
/* Copyright (C) 2007-2017 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 <dl-vdso.h>
|
|
# include <libc-vdso.h>
|
|
|
|
int (*VDSO_SYMBOL(gettimeofday)) (struct timeval *, void *) attribute_hidden;
|
|
int (*VDSO_SYMBOL(clock_gettime)) (clockid_t, struct timespec *);
|
|
int (*VDSO_SYMBOL(clock_getres)) (clockid_t, struct timespec *);
|
|
|
|
static inline void
|
|
_libc_vdso_platform_setup (void)
|
|
{
|
|
#ifdef __LP64__
|
|
PREPARE_VERSION (linux_version, "LINUX_2.6.39", 123718537);
|
|
#else
|
|
PREPARE_VERSION (linux_version, "LINUX_4.9", 61765625);
|
|
#endif
|
|
|
|
void *p = _dl_vdso_vsym ("__kernel_gettimeofday", &linux_version);
|
|
PTR_MANGLE (p);
|
|
VDSO_SYMBOL(gettimeofday) = p;
|
|
|
|
p = _dl_vdso_vsym ("__kernel_clock_gettime", &linux_version);
|
|
PTR_MANGLE (p);
|
|
VDSO_SYMBOL(clock_gettime) = p;
|
|
|
|
p = _dl_vdso_vsym ("__kernel_clock_getres", &linux_version);
|
|
PTR_MANGLE (p);
|
|
VDSO_SYMBOL(clock_getres) = p;
|
|
}
|
|
|
|
# define VDSO_SETUP _libc_vdso_platform_setup
|
|
#endif
|
|
|
|
#include <csu/init-first.c>
|