SYS.h revision 225736 
1/*-
2 * Copyright (c) 2002 Benno Rice.  All rights reserved.
3 * Copyright (c) 2002 David E. O'Brien.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *	$NetBSD: SYS.h,v 1.8 2002/01/14 00:55:56 thorpej Exp $
30 * $FreeBSD: stable/9/lib/libc/powerpc/SYS.h 109499 2003-01-18 23:26:04Z obrien $
31 */
32
33#include <sys/syscall.h>
34#include <machine/asm.h>
35
36#define _SYSCALL(x)						\
37	.text;							\
38	.align 2;						\
39	li	0,(__CONCAT(SYS_,x));				\
40	sc
41
42#define	SYSCALL(x)						\
43	.text;							\
44	.align 2;						\
452:	b	PIC_PLT(CNAME(HIDENAME(cerror)));		\
46ENTRY(__CONCAT(__sys_,x));					\
47	.weak	CNAME(x);					\
48	.set	CNAME(x),CNAME(__CONCAT(__sys_,x));		\
49	.weak	CNAME(__CONCAT(_,x));				\
50	.set	CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x));	\
51	_SYSCALL(x);						\
52	bso	2b
53
54#define	PSEUDO(x)						\
55	.text;							\
56	.align 2;						\
57ENTRY(__CONCAT(__sys_,x));					\
58	.weak	CNAME(__CONCAT(_,x));				\
59	.set	CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x));	\
60	_SYSCALL(x);						\
61	bnslr;							\
62	b	PIC_PLT(CNAME(HIDENAME(cerror)))
63
64#define	RSYSCALL(x)						\
65	.text;							\
66	.align 2;						\
672:	b	PIC_PLT(CNAME(HIDENAME(cerror)));		\
68ENTRY(__CONCAT(__sys_,x));					\
69	.weak	CNAME(x);					\
70	.set	CNAME(x),CNAME(__CONCAT(__sys_,x));		\
71	.weak	CNAME(__CONCAT(_,x));				\
72	.set	CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x));	\
73	_SYSCALL(x);						\
74	bnslr;							\
75	b	PIC_PLT(CNAME(HIDENAME(cerror)))
76