1 /* Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 #include <bits/errno.h>
23 /* For the calculation see asm/vsyscall.h. */
24 #define VSYSCALL_ADDR_vgettimeofday 0xffffffffff600000
27 ENTRY (__gettimeofday)
30 cfi_adjust_cfa_offset(8)
32 movq __vdso_gettimeofday(%rip), %rax
35 movq $VSYSCALL_ADDR_vgettimeofday, %rax
38 /* Check error return. */
40 jae SYSCALL_ERROR_LABEL
44 cfi_adjust_cfa_offset(-8)
46 PSEUDO_END(__gettimeofday)
48 strong_alias (__gettimeofday, __gettimeofday_internal)
49 weak_alias (__gettimeofday, gettimeofday)