osfmk/i386/machdep_call.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * Copyright (c) 1992 NeXT Computer, Inc.
  25  *
  26  * Machine dependent kernel call table defines.
  27  *
  28  * HISTORY
  29  *
  30  * 17 June 1992 ? at NeXT
  31  *      Created.
  32  */
  33
  34 typedef union {
  35         kern_return_t           (*args_0)(void);
  36         kern_return_t           (*args_1)(uint32_t);
  37         kern_return_t           (*args_2)(uint32_t,uint32_t);
  38         kern_return_t           (*args_3)(uint32_t,uint32_t,uint32_t);
  39         kern_return_t           (*args_4)(uint32_t, uint32_t,uint32_t,uint32_t);
  40         kern_return_t           (*args_var)(uint32_t,...);
  41 } machdep_call_routine_t;
  42
  43 #define MACHDEP_CALL_ROUTINE(func,args) \
  44         { { .args_ ## args = func }, args }
  45
  46 typedef struct {
  47     machdep_call_routine_t      routine;
  48     int                         nargs;
  49 } machdep_call_t;
  50
  51 extern machdep_call_t           machdep_call_table[];
  52 extern int                      machdep_call_count;
  53
  54 extern kern_return_t            thread_get_cthread_self(void);
  55 extern kern_return_t            thread_set_cthread_self(uint32_t);
  56 extern kern_return_t            thread_fast_set_cthread_self(uint32_t);
  57 extern kern_return_t            thread_set_user_ldt(uint32_t,uint32_t,uint32_t);
  58
  59 extern void                     mach25_syscall(struct i386_saved_state *);
  60 extern void                     machdep_syscall(struct i386_saved_state *);