1/* 2 * Copyright (c) 1999-2007 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* Copyright 1998 Apple Computer, Inc. */ 29 30#include "SYS.h" 31 32#if defined(__i386__) 33 34/* 35 * This syscall is special cased: the timeval is returned in eax/edx. 36 */ 37LABEL(___gettimeofday) 38 UNIX_SYSCALL_INT_NONAME(gettimeofday,0) 39 mov 4(%esp),%ecx 40 mov %eax,(%ecx) 41 mov %edx,4(%ecx) 42 xor %eax,%eax 43 ret 44 45#elif defined(__x86_64__) 46 47/* 48 * This syscall is special cased: the timeval is returned in rax:rdx. 49 */ 50LABEL(___gettimeofday) 51 UNIX_SYSCALL_NONAME(gettimeofday,0,cerror_nocancel) 52 movq %rax, (%rdi) 53 movl %edx, 8(%rdi) 54 xorl %eax, %eax 55 ret 56 57#else 58#error Unsupported architecture 59#endif 60