osfmk/kern/syscall_sw.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * @OSF_COPYRIGHT@
  32  */
  33 /*
  34  * Mach Operating System
  35  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
  36  * All Rights Reserved.
  37  *
  38  * Permission to use, copy, modify and distribute this software and its
  39  * documentation is hereby granted, provided that both the copyright
  40  * notice and this permission notice appear in all copies of the
  41  * software, derivative works or modified versions, and any portions
  42  * thereof, and that both notices appear in supporting documentation.
  43  *
  44  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  45  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  46  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  47  *
  48  * Carnegie Mellon requests users of this software to return to
  49  *
  50  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  51  *  School of Computer Science
  52  *  Carnegie Mellon University
  53  *  Pittsburgh PA 15213-3890
  54  *
  55  * any improvements or extensions that they make and grant Carnegie Mellon
  56  * the rights to redistribute these changes.
  57  */
  58 /*
  59  */
  60
  61 #ifndef _KERN_SYSCALL_SW_H_
  62 #define _KERN_SYSCALL_SW_H_
  63
  64 #include <mach_assert.h>
  65
  66 /*
  67  *      mach_trap_stack indicates the trap may discard
  68  *      its kernel stack.  Some architectures may need
  69  *      to save more state in the pcb for these traps.
  70  */
  71 typedef void    mach_munge_t(const void *, void *);
  72
  73 typedef struct {
  74         int                     mach_trap_arg_count;
  75         int                     (*mach_trap_function)(void);
  76 #if defined(__i386__)
  77         boolean_t               mach_trap_stack;
  78 #else
  79         mach_munge_t            *mach_trap_arg_munge32; /* system call arguments for 32-bit */
  80         mach_munge_t            *mach_trap_arg_munge64; /* system call arguments for 64-bit */
  81 #endif
  82 #if     !MACH_ASSERT
  83         int                     mach_trap_unused;
  84 #else
  85         const char*             mach_trap_name;
  86 #endif /* !MACH_ASSERT */
  87 } mach_trap_t;
  88
  89 #define MACH_TRAP_TABLE_COUNT   128
  90
  91
  92 extern mach_trap_t              mach_trap_table[];
  93 extern int                      mach_trap_count;
  94
  95 #if defined(__i386__)
  96 #if     !MACH_ASSERT
  97 #define MACH_TRAP(name, arg_count, munge32, munge64)    \
  98                 { (arg_count), (int (*)(void)) (name), FALSE, 0 }
  99 #else
 100 #define MACH_TRAP(name, arg_count, munge32, munge64)            \
 101                 { (arg_count), (int (*)(void)) (name), FALSE, #name }
 102 #endif /* !MACH_ASSERT */
 103 #else  /* !defined(__i386__) */
 104 #if     !MACH_ASSERT
 105 #define MACH_TRAP(name, arg_count, munge32, munge64)    \
 106                 { (arg_count), (int (*)(void)) (name), (munge32), (munge64), 0 }
 107 #else
 108 #define MACH_TRAP(name, arg_count, munge32, munge64)            \
 109                 { (arg_count), (int (*)(void)) (name), (munge32), (munge64), #name }
 110 #endif /* !MACH_ASSERT */
 111
 112 #endif /* !defined(__i386__) */
 113
 114 #endif  /* _KERN_SYSCALL_SW_H_ */