osfmk/i386/machdep_call.h

   1 /*
   2  * Copyright (c) 2000 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  * Copyright (c) 1992 NeXT Computer, Inc.
  24  *
  25  * Machine dependent kernel call table defines.
  26  *
  27  * HISTORY
  28  *
  29  * 17 June 1992 ? at NeXT
  30  *      Created.
  31  */
  32
  33 typedef union {
  34         kern_return_t           (*args_0)(void);
  35         kern_return_t           (*args_1)(uint32_t);
  36         kern_return_t           (*args_2)(uint32_t,uint32_t);
  37         kern_return_t           (*args_3)(uint32_t,uint32_t,uint32_t);
  38         kern_return_t           (*args_4)(uint32_t, uint32_t,uint32_t,uint32_t);
  39         kern_return_t           (*args_var)(uint32_t,...);
  40 } machdep_call_routine_t;
  41
  42 #define MACHDEP_CALL_ROUTINE(func,args) \
  43         { { .args_ ## args = func }, args }
  44
  45 typedef struct {
  46     machdep_call_routine_t      routine;
  47     int                         nargs;
  48 } machdep_call_t;
  49
  50 extern machdep_call_t           machdep_call_table[];
  51 extern int                      machdep_call_count;
  52
  53 extern kern_return_t            thread_get_cthread_self(void);
  54 extern kern_return_t            thread_set_cthread_self(uint32_t);
  55 extern kern_return_t            thread_fast_set_cthread_self(uint32_t);
  56 extern kern_return_t            thread_set_user_ldt(uint32_t,uint32_t,uint32_t);
  57
  58 extern void                     mach25_syscall(struct i386_saved_state *);
  59 extern void                     machdep_syscall(struct i386_saved_state *);