1.\" $NetBSD: sysarch.2,v 1.6 1998/02/25 21:24:57 perry Exp $ 2.\" $FreeBSD$ 3.\" 4.\" Copyright (c) 1980, 1991 Regents of the University of California. 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. Neither the name of the University nor the names of its contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29.\" SUCH DAMAGE. 30.\" 31.\" from: @(#)syscall.2 6.3 (Berkeley) 3/10/91 32.\" 33.Dd October 11, 1993 34.Dt SYSARCH 2 35.Os 36.Sh NAME 37.Nm sysarch 38.Nd architecture-dependent system call 39.Sh LIBRARY 40.Lb libc 41.Sh SYNOPSIS 42.In machine/sysarch.h 43.Ft int 44.Fn sysarch "int number" "void *args" 45.Sh DESCRIPTION 46The 47.Fn sysarch 48system call 49performs the architecture-dependent function 50specified by 51.Fa number 52with the arguments specified by the 53.Fa args 54pointer. 55The 56.Fa args 57argument 58is a pointer to a structure defining the actual 59arguments of the function. 60Symbolic constants and argument structures 61for the architecture-dependent 62functions can be found in the header file 63.In machine/sysarch.h . 64.Pp 65The 66.Fn sysarch 67system call should never be called directly by 68user programs. 69Instead, they should access 70its functions using the architecture-dependent 71library. 72.Sh RETURN VALUES 73See the manual pages for specific architecture-dependent system calls 74for information about their return values. 75.Sh SEE ALSO 76.Xr i386_get_ioperm 2 , 77.Xr i386_get_ldt 2 , 78.Xr i386_vm86 2 79.Sh HISTORY 80This manual page was taken from 81.Nx . 82