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1/*
2 * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22/* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved.
23 *
24 * File: libc/m98k/sys/sigreturn.s
25 *
26 * The sigreturn() system call.
27 *
28 * The M98K sigcontext structure is more robust than older cousins.
29 * This routine is responsible for restoring register state
30 * based on the setting of sc_regs_saved before trapping into the
31 * kernel. See <bsd/m98k/signal.h>
32 *
33 * HISTORY
34 * 18-Nov-92 Ben Fathi (benf@next.com)
35 * Ported to m98k.
36 *
37 * 13-Jan-92 Peter King (king@next.com)
38 * Created.
39 */
40
41#import "assym.h"
42#import "SYS.h"
43
44/*
45 * r3 = sigcontext pointer
46 */
47
48LEAF(_sigreturn)
49
50 /* Now call the kernel routine to restore the rest */
51
52 SYSCALL_NONAME(sigreturn, 1)
53 blr
54END(_sigreturn)