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1/*
2 * Copyright (c) 2000 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/*
23 * @OSF_COPYRIGHT@
24 */
25/*
26 * Mach Operating System
27 * Copyright (c) 1991,1990 Carnegie Mellon University
28 * All Rights Reserved.
29 *
30 * Permission to use, copy, modify and distribute this software and its
31 * documentation is hereby granted, provided that both the copyright
32 * notice and this permission notice appear in all copies of the
33 * software, derivative works or modified versions, and any portions
34 * thereof, and that both notices appear in supporting documentation.
35 *
36 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
37 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
38 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
39 *
40 * Carnegie Mellon requests users of this software to return to
41 *
42 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
43 * School of Computer Science
44 * Carnegie Mellon University
45 * Pittsburgh PA 15213-3890
46 *
47 * any improvements or extensions that they make and grant Carnegie Mellon
48 * the rights to redistribute these changes.
49 */
50
51#ifndef _PPC_TRAP_H_
52#define _PPC_TRAP_H_
53
54/* maximum number of arguments to a syscall trap */
55#define NARGS 12
56/* Size to reserve in frame for arguments - first 8 are in registers */
57#define ARG_SIZE FM_ALIGN((NARGS-8)*4)
58
59
60/*
61 * Hardware exception vectors for powerpc are in exception.h
62 */
63
64#ifndef ASSEMBLER
65
66#include <mach/thread_status.h>
67#include <mach/boolean.h>
9bccf70c 68#include <mach/kern_return.h>
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69#include <ppc/thread.h>
70
71extern void doexception(int exc, int code, int sub);
72
73extern void thread_exception_return(void);
74
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75extern struct savearea* trap(int trapno,
76 struct savearea *ss,
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77 unsigned int dsisr,
78 unsigned int dar);
79
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80typedef kern_return_t (*perfTrap)(int trapno, struct savearea *ss,
81 unsigned int dsisr, unsigned int dar);
82
83extern perfTrap perfTrapHook;
84
85extern struct savearea* interrupt(int intno,
86 struct savearea *ss,
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87 unsigned int dsisr,
88 unsigned int dar);
89
90extern int syscall_error(int exception,
91 int code,
92 int subcode,
9bccf70c 93 struct savearea *ss);
1c79356b 94
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95
96#endif /* ASSEMBLER */
97
98#endif /* _PPC_TRAP_H_ */