SYS.h revision 1.5 1 /* $NetBSD: SYS.h,v 1.5 1996/09/17 01:32:22 jonathan Exp $ */
2
3 /*-
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Ralph Campbell.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the University of
21 * California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * from: @(#)SYS.h 8.1 (Berkeley) 6/4/93
39 */
40
41 #include <sys/syscall.h>
42 #include <machine/machAsmDefs.h>
43
44 #ifdef __STDC__
45 #ifdef ABICALLS
46 #define RSYSCALL(x) .abicalls; \
47 LEAF(x); .set noreorder; .cpload t9; .set reorder; \
48 li v0,SYS_ ## x; syscall; \
49 bne a3,zero,err; j ra; \
50 err: la t9, _C_LABEL(cerror); jr t9; END(x);
51 #define PSEUDO(x,y) .abicalls; \
52 LEAF(x); .set noreorder; .cpload t9; .set reorder; \
53 li v0,SYS_ ## y; syscall; \
54 bne a3,zero,err; j ra; \
55 err: la t9, _C_LABEL(cerror); jr t9; END(x);
56 #else /* !ABICALLS */
57 #define RSYSCALL(x) LEAF(x); li v0,SYS_ ## x; syscall; \
58 bne a3,zero,err; j ra; err: j _C_LABEL(cerror); END(x);
59 #define PSEUDO(x,y) LEAF(x); li v0,SYS_ ## y; syscall; \
60 bne a3,zero,err; j ra; err: j _C_LABEL(cerror); END(x);
61 #endif /* !ABICALLS */
62 #else /* traditional C */
63 #ifdef ABICALLS
64 #define RSYSCALL(x) .abicalls; \
65 LEAF(x); .set noreorder; .cpload t9; .set reorder; \
66 li v0,SYS_/**/x; syscall; \
67 bne a3,zero,err; j ra; \
68 err: la t9, _C_LABEL(cerror); jr t9; END(x);
69 #define PSEUDO(x,y) .abicalls; \
70 LEAF(x); .set noreorder; .cpload t9; .set reorder; \
71 li v0,SYS_/**/y; syscall; \
72 bne a3,zero,err; j ra; \
73 err: la t9, _C_LABEL(cerror); jr t9; END(x);
74 #else /* !ABICALLS */
75 #define RSYSCALL(x) LEAF(x); li v0,SYS_/**/x; syscall; \
76 bne a3,zero,err; j ra; err: j _C_LABEL(cerror); END(x);
77 #define PSEUDO(x,y) LEAF(x); li v0,SYS_/**/y; syscall; \
78 bne a3,zero,err; j ra; err: j _C_LABEL(cerror); END(x);
79 #endif /* !ABICALLS */
80 #endif /* traditional C */
81