Source to osfmk/kern/syscall_sw.h


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/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @[email protected]
 * 
 * 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.
 * 
 * @[email protected]
 */
/*
 * @[email protected]
 */
/* 
 * 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  [email protected]
 *  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 struct {
	int			mach_trap_arg_count;
	int			(*mach_trap_function)(void);
	boolean_t	mach_trap_stack;
#if	!MACH_ASSERT
	int			mach_trap_unused;
#else
	char*		mach_trap_name;
#endif /* !MACH_ASSERT */
} mach_trap_t;

extern mach_trap_t		mach_trap_table[];
extern int				mach_trap_count;
extern kern_return_t	kern_invalid(void);

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

#endif	/* _KERN_SYSCALL_SW_H_ */