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	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
	7	*
	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
	14	*
	15	* The Original Code and all software distributed under the License are
	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/*
	26	* @OSF_COPYRIGHT@
	27	*/
	28	/*
	29	* Mach Operating System
	30	* Copyright (c) 1991,1990 Carnegie Mellon University
	31	* All Rights Reserved.
	32	*
	33	* Permission to use, copy, modify and distribute this software and its
	34	* documentation is hereby granted, provided that both the copyright
	35	* notice and this permission notice appear in all copies of the
	36	* software, derivative works or modified versions, and any portions
	37	* thereof, and that both notices appear in supporting documentation.
	38	*
	39	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	40	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	41	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	42	*
	43	* Carnegie Mellon requests users of this software to return to
	44	*
	45	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	46	* School of Computer Science
	47	* Carnegie Mellon University
	48	* Pittsburgh PA 15213-3890
	49	*
	50	* any improvements or extensions that they make and grant Carnegie Mellon
	51	* the rights to redistribute these changes.
	52	*/
	53
	54	#ifndef _PPC_TRAP_H_
	55	#define _PPC_TRAP_H_
	56
	57	/* maximum number of arguments to a syscall trap */
	58	#define NARGS 12
	59	/* Size to reserve in frame for arguments - first 8 are in registers */
	60	#define ARG_SIZE FM_ALIGN((NARGS-8)*4)
	61
	62
	63	/*
	64	* Hardware exception vectors for powerpc are in exception.h
	65	*/
	66
	67	#ifndef ASSEMBLER
	68
	69	#include <mach/thread_status.h>
	70	#include <mach/boolean.h>
	71	#include <mach/kern_return.h>
	72	#include <ppc/thread.h>
	73
	74	extern void doexception(int exc, int code, int sub);
	75
	76	extern void thread_exception_return(void);
	77
	78	extern struct savearea* trap(int trapno,
	79	struct savearea *ss,
	80	unsigned int dsisr,
	81	addr64_t dar);
	82
	83	typedef kern_return_t (perfTrap)(int trapno, struct savearea ss,
	84	unsigned int dsisr, addr64_t dar);
	85
	86	extern perfTrap perfTrapHook;
	87	extern perfTrap perfIntHook;
	88
	89	extern struct savearea* interrupt(int intno,
	90	struct savearea *ss,
	91	unsigned int dsisr,
	92	unsigned int dar);
	93
	94	extern int syscall_error(int exception,
	95	int code,
	96	int subcode,
	97	struct savearea *ss);
	98
	99
	100	#endif /* ASSEMBLER */
	101
	102	#endif /* _PPC_TRAP_H_ */