xref: /openbsd-src/sys/lib/libkern/arch/i386/SYS.h (revision 29295d1c5caf158d3a732746704292e9a80a32d2)
1*29295d1cSmillert /*	$OpenBSD: SYS.h,v 1.3 2003/06/02 23:28:08 millert Exp $	*/
2fd2290ccSmickey 
3df930be7Sderaadt /*-
4df930be7Sderaadt  * Copyright (c) 1990 The Regents of the University of California.
5df930be7Sderaadt  * All rights reserved.
6df930be7Sderaadt  *
7df930be7Sderaadt  * This code is derived from software contributed to Berkeley by
8df930be7Sderaadt  * William Jolitz.
9df930be7Sderaadt  *
10df930be7Sderaadt  * Redistribution and use in source and binary forms, with or without
11df930be7Sderaadt  * modification, are permitted provided that the following conditions
12df930be7Sderaadt  * are met:
13df930be7Sderaadt  * 1. Redistributions of source code must retain the above copyright
14df930be7Sderaadt  *    notice, this list of conditions and the following disclaimer.
15df930be7Sderaadt  * 2. Redistributions in binary form must reproduce the above copyright
16df930be7Sderaadt  *    notice, this list of conditions and the following disclaimer in the
17df930be7Sderaadt  *    documentation and/or other materials provided with the distribution.
18*29295d1cSmillert  * 3. Neither the name of the University nor the names of its contributors
19df930be7Sderaadt  *    may be used to endorse or promote products derived from this software
20df930be7Sderaadt  *    without specific prior written permission.
21df930be7Sderaadt  *
22df930be7Sderaadt  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23df930be7Sderaadt  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24df930be7Sderaadt  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25df930be7Sderaadt  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26df930be7Sderaadt  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27df930be7Sderaadt  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28df930be7Sderaadt  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29df930be7Sderaadt  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30df930be7Sderaadt  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31df930be7Sderaadt  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32df930be7Sderaadt  * SUCH DAMAGE.
33df930be7Sderaadt  *
34df930be7Sderaadt  *	from: @(#)SYS.h	5.5 (Berkeley) 5/7/91
35df930be7Sderaadt  */
36df930be7Sderaadt 
37df930be7Sderaadt #include <machine/asm.h>
38df930be7Sderaadt #include <sys/syscall.h>
39df930be7Sderaadt 
40df930be7Sderaadt #define	SYSCALL(x)	.text; .align 2; 2: jmp PIC_PLT(cerror); ENTRY(x); movl $(SYS_/**/x),%eax; int $0x80; jc 2b
41df930be7Sderaadt #define	RSYSCALL(x)	SYSCALL(x); ret
42df930be7Sderaadt #define	PSEUDO(x,y)	ENTRY(x); movl $(SYS_/**/y),%eax; int $0x80; ret
43df930be7Sderaadt #define	CALL(x,y)	call PIC_PLT(_/**/y); addl $4*x,%esp
44df930be7Sderaadt 
45df930be7Sderaadt 	.globl	cerror
46