osfmk/kern/syscall_sw.h

   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) 1991,1990,1989,1988,1987 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  */
  55
  56 #ifndef _KERN_SYSCALL_SW_H_
  57 #define _KERN_SYSCALL_SW_H_
  58
  59 #include <mach_assert.h>
  60
  61 /*
  62  *      mach_trap_stack indicates the trap may discard
  63  *      its kernel stack.  Some architectures may need
  64  *      to save more state in the pcb for these traps.
  65  */
  66
  67 typedef struct {
  68         int                     mach_trap_arg_count;
  69         int                     (*mach_trap_function)(void);
  70         boolean_t       mach_trap_stack;
  71 #if     !MACH_ASSERT
  72         int                     mach_trap_unused;
  73 #else
  74         char*           mach_trap_name;
  75 #endif /* !MACH_ASSERT */
  76 } mach_trap_t;
  77
  78 extern mach_trap_t              mach_trap_table[];
  79 extern int                              mach_trap_count;
  80 extern kern_return_t    kern_invalid(void);
  81
  82 #if     !MACH_ASSERT
  83 #define MACH_TRAP(name, arg_count)                      \
  84                 { (arg_count), (int (*)(void)) (name), FALSE, 0 }
  85 #else
  86 #define MACH_TRAP(name, arg_count)                      \
  87                 { (arg_count), (int (*)(void)) (name), FALSE, #name }
  88 #endif /* !MACH_ASSERT */
  89
  90 #endif  /* _KERN_SYSCALL_SW_H_ */