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/* Copyright (C) 2002-2013 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 <sys/time.h>
#ifdef SHARED
# include <dl-vdso.h>
# define VSYSCALL_ADDR_vgettimeofday 0xffffffffff600000ul
void *gettimeofday_ifunc (void) __asm__ ("__gettimeofday");
void *
gettimeofday_ifunc (void)
{
PREPARE_VERSION (linux26, "LINUX_2.6", 61765110);
/* If the vDSO is not available we fall back on the old vsyscall. */
return (_dl_vdso_vsym ("__vdso_gettimeofday", &linux26)
?: (void *) VSYSCALL_ADDR_vgettimeofday);
}
asm (".type __gettimeofday, %gnu_indirect_function");
/* This is doing "libc_hidden_def (__gettimeofday)" but the compiler won't
let us do it in C because it doesn't know we're defining __gettimeofday
here in this file. */
asm (".globl __GI___gettimeofday\n"
"__GI___gettimeofday = __gettimeofday");
#else
# include <sysdep.h>
# include <errno.h>
int
__gettimeofday (struct timeval *tv, struct timezone *tz)
{
return INLINE_SYSCALL (gettimeofday, 2, tv, tz);
}
libc_hidden_def (__gettimeofday)
#endif
weak_alias (__gettimeofday, gettimeofday)
libc_hidden_weak (gettimeofday)
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