osfmk/kern/syscall_sw.h

   1 /*
   2  * Copyright (c) 2000-2004 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) 1991,1990,1989,1988,1987 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  */
  63 typedef void    mach_munge_t(const void *, void *);
  64
  65 typedef struct {
  66         int                     mach_trap_arg_count;
  67         int                     (*mach_trap_function)(void);
  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
  74 #if     !MACH_ASSERT
  75         int                     mach_trap_unused;
  76 #else
  77         const char*             mach_trap_name;
  78 #endif /* !MACH_ASSERT */
  79 } mach_trap_t;
  80
  81 #define MACH_TRAP_TABLE_COUNT   128
  82
  83
  84 extern mach_trap_t              mach_trap_table[];
  85 extern int                      mach_trap_count;
  86
  87 #if defined(__i386__)
  88 #if     !MACH_ASSERT
  89 #define MACH_TRAP(name, arg_count, munge32, munge64)    \
  90                 { (arg_count), (int (*)(void)) (name), FALSE, 0 }
  91 #else
  92 #define MACH_TRAP(name, arg_count, munge32, munge64)            \
  93                 { (arg_count), (int (*)(void)) (name), FALSE, #name }
  94 #endif /* !MACH_ASSERT */
  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__) */
 105
 106 #endif  /* _KERN_SYSCALL_SW_H_ */