[apple/xnu.git] / osfmk / kern / syscall_sw.h

/*
 * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */
/* 
 * Mach Operating System
 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 * 
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 * 
 * Carnegie Mellon requests users of this software to return to
 * 
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 * 
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */
/*
 */

#ifndef	_KERN_SYSCALL_SW_H_
#define	_KERN_SYSCALL_SW_H_

#include <mach_assert.h>

/*
 *	mach_trap_stack indicates the trap may discard
 *	its kernel stack.  Some architectures may need
 *	to save more state in the pcb for these traps.
 */
typedef	void	mach_munge_t(const void *, void *);

typedef struct {
	int			mach_trap_arg_count;
	int			(*mach_trap_function)(void);
#if defined(__i386__)
	boolean_t		mach_trap_stack;
#else 
	mach_munge_t		*mach_trap_arg_munge32; /* system call arguments for 32-bit */
	mach_munge_t		*mach_trap_arg_munge64; /* system call arguments for 64-bit */
#endif
#if	!MACH_ASSERT
	int			mach_trap_unused;
#else
	const char*		mach_trap_name;
#endif /* !MACH_ASSERT */
} mach_trap_t;

#define MACH_TRAP_TABLE_COUNT   128


extern mach_trap_t		mach_trap_table[];
extern int			mach_trap_count;

#if defined(__i386__)
#if	!MACH_ASSERT
#define	MACH_TRAP(name, arg_count, munge32, munge64)	\
		{ (arg_count), (int (*)(void)) (name), FALSE, 0 }
#else
#define MACH_TRAP(name, arg_count, munge32, munge64)		\
		{ (arg_count), (int (*)(void)) (name), FALSE, #name }
#endif /* !MACH_ASSERT */
#else  /* !defined(__i386__) */
#if	!MACH_ASSERT
#define	MACH_TRAP(name, arg_count, munge32, munge64)	\
		{ (arg_count), (int (*)(void)) (name), (munge32), (munge64), 0 }
#else
#define MACH_TRAP(name, arg_count, munge32, munge64)		\
  		{ (arg_count), (int (*)(void)) (name), (munge32), (munge64), #name }
#endif /* !MACH_ASSERT */

#endif /* !defined(__i386__) */

#endif	/* _KERN_SYSCALL_SW_H_ */
Commit	Line	Data
1c79356b	1	/*
91447636	2	* Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
1c79356b A	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
e5568f75 A	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
1c79356b A	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
e5568f75 A	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.
1c79356b A	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	* @OSF_COPYRIGHT@
	24	*/
	25	/*
	26	* Mach Operating System
	27	* Copyright (c) 1991,1990,1989,1988,1987 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	*/
	52
	53	#ifndef _KERN_SYSCALL_SW_H_
	54	#define _KERN_SYSCALL_SW_H_
	55
	56	#include <mach_assert.h>
	57
	58	/*
	59	* mach_trap_stack indicates the trap may discard
	60	* its kernel stack. Some architectures may need
	61	* to save more state in the pcb for these traps.
	62	*/
91447636	63	typedef void mach_munge_t(const void , void );
1c79356b A	64
	65	typedef struct {
	66	int mach_trap_arg_count;
	67	int (*mach_trap_function)(void);
91447636 A	68	#if defined(__i386__)
	69	boolean_t mach_trap_stack;
	70	#else
	71	mach_munge_t mach_trap_arg_munge32; / system call arguments for 32-bit */
	72	mach_munge_t mach_trap_arg_munge64; / system call arguments for 64-bit */
	73	#endif
1c79356b A	74	#if !MACH_ASSERT
	75	int mach_trap_unused;
	76	#else
91447636	77	const char* mach_trap_name;
1c79356b A	78	#endif /* !MACH_ASSERT */
	79	} mach_trap_t;
	80
55e303ae A	81	#define MACH_TRAP_TABLE_COUNT 128
	82
	83
1c79356b	84	extern mach_trap_t mach_trap_table[];
91447636	85	extern int mach_trap_count;
1c79356b	86
91447636	87	#if defined(__i386__)
1c79356b	88	#if !MACH_ASSERT
91447636	89	#define MACH_TRAP(name, arg_count, munge32, munge64) \
1c79356b A	90	{ (arg_count), (int (*)(void)) (name), FALSE, 0 }
1c79356b A	91	#else
91447636	92	#define MACH_TRAP(name, arg_count, munge32, munge64) \
1c79356b A	93	{ (arg_count), (int (*)(void)) (name), FALSE, #name }
1c79356b A	94	#endif /* !MACH_ASSERT */
91447636 A	95	#else /* !defined(__i386__) */
	96	#if !MACH_ASSERT
	97	#define MACH_TRAP(name, arg_count, munge32, munge64) \
	98	{ (arg_count), (int (*)(void)) (name), (munge32), (munge64), 0 }
	99	#else
	100	#define MACH_TRAP(name, arg_count, munge32, munge64) \
	101	{ (arg_count), (int (*)(void)) (name), (munge32), (munge64), #name }
	102	#endif /* !MACH_ASSERT */
	103
	104	#endif /* !defined(__i386__) */
1c79356b A	105
1c79356b A	106	#endif /* _KERN_SYSCALL_SW_H_ */