SYS.h revision 331722 
1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * William Jolitz.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 *	@(#)SYS.h	5.5 (Berkeley) 5/7/91
33 *	from: FreeBSD: src/lib/libc/i386/SYS.h,v 1.20 2001/01/29
34 * $FreeBSD: stable/11/lib/libc/sparc64/SYS.h 331722 2018-03-29 02:50:57Z eadler $
35 */
36
37#include <sys/syscall.h>
38
39#include <machine/asm.h>
40#include <machine/utrap.h>
41
42#define	ERROR() \
43	mov	%o7, %g1 ; \
44	call	HIDENAME(cerror) ; \
45	 mov	%g1, %o7
46
47#define	_SYSENTRY(x) \
48ENTRY(__CONCAT(__sys_,x)) ; \
49	.weak	CNAME(x) ; \
50	.type	CNAME(x),@function ; \
51	.set	CNAME(x),CNAME(__CONCAT(__sys_,x)) ; \
52	.weak	CNAME(__CONCAT(_,x)) ; \
53	.type	CNAME(__CONCAT(_,x)), @function ; \
54	.set	CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x))
55
56#define	_SYSEND(x) \
57	.size	CNAME(__CONCAT(__sys_,x)), . - CNAME(__CONCAT(__sys_,x)) ; \
58	.size	CNAME(__CONCAT(_,x)), . - CNAME(__CONCAT(__sys_,x)) ; \
59	.size	CNAME(__CONCAT(,x)), . - CNAME(__CONCAT(__sys_,x))
60
61#define	_SYSCALL(x) \
62	mov	__CONCAT(SYS_,x), %g1 ; \
63	ta	%xcc, ST_SYSCALL ; \
64	bcc,a,pt %xcc, 1f ; \
65	 nop ; \
66	ERROR() ; \
671:
68
69#define	RSYSCALL(x) \
70_SYSENTRY(x) ; \
71	_SYSCALL(x) ; \
72	retl ; \
73	 nop ; \
74	_SYSEND(x)
75
76#define	PSEUDO(x) \
77ENTRY(__CONCAT(__sys_,x)) ; \
78	.weak	CNAME(__CONCAT(_,x)) ; \
79	.type	CNAME(__CONCAT(_,x)),@function ; \
80	.set	CNAME(__CONCAT(_,x)),CNAME(__CONCAT(__sys_,x)) ; \
81	_SYSCALL(x) ; \
82	retl ; \
83	 nop ; \
84	.size	CNAME(__CONCAT(__sys_,x)), . - CNAME(__CONCAT(__sys_,x)) ; \
85	.size	CNAME(__CONCAT(_,x)), . - CNAME(__CONCAT(__sys_,x))
86