osfmk/i386/machdep_call.h

   1 /*
   2  * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_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. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * Copyright (c) 1992 NeXT Computer, Inc.
  30  *
  31  * Machine dependent kernel call table defines.
  32  *
  33  * HISTORY
  34  *
  35  * 17 June 1992 ? at NeXT
  36  *      Created.
  37  */
  38
  39 typedef union {
  40         kern_return_t           (*args_0)(void);
  41         kern_return_t           (*args_1)(uint32_t);
  42         kern_return_t           (*args64_1)(uint64_t);
  43         kern_return_t           (*args_2)(uint32_t,uint32_t);
  44         kern_return_t           (*args_3)(uint32_t,uint32_t,uint32_t);
  45         kern_return_t           (*args_4)(uint32_t,uint32_t,uint32_t,uint32_t);
  46         kern_return_t           (*args_var)(uint32_t,...);
  47         int                     (*args_bsd_3)(uint32_t *, uint32_t,
  48                                               uint32_t, uint32_t);
  49 } machdep_call_routine_t;
  50
  51 #define MACHDEP_CALL_ROUTINE(func, args)        \
  52         { { .args_ ## args = func }, args, 0 }
  53
  54 #define MACHDEP_CALL_ROUTINE64(func, args)      \
  55         { { .args64_ ## args = func }, args, 0 }
  56
  57 #define MACHDEP_BSD_CALL_ROUTINE(func, args)    \
  58         { { .args_bsd_ ## args = func }, args, 1 }
  59
  60 typedef struct {
  61     machdep_call_routine_t      routine;
  62     int                         nargs;
  63     int                         bsd_style;
  64 } machdep_call_t;
  65
  66 extern const machdep_call_t             machdep_call_table[];
  67 extern const machdep_call_t             machdep_call_table64[];
  68
  69 extern int                      machdep_call_count;
  70
  71 extern kern_return_t            thread_fast_set_cthread_self(uint32_t);
  72 extern kern_return_t            thread_fast_set_cthread_self64(uint64_t);
  73 extern kern_return_t            thread_set_user_ldt(uint32_t,uint32_t,uint32_t);
  74
  75 extern int              i386_set_ldt(uint32_t *,uint32_t,uint32_t,uint32_t);
  76 extern int              i386_get_ldt(uint32_t *,uint32_t,uint32_t,uint32_t);
  77
  78 extern void                     machdep_syscall(x86_saved_state_t *);
  79 extern void                     machdep_syscall64(x86_saved_state_t *);