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	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 (*args64_2)(uint64_t,uint64_t);
	45	kern_return_t (*args_3)(uint32_t,uint32_t,uint32_t);
	46	kern_return_t (*args_4)(uint32_t,uint32_t,uint32_t,uint32_t);
	47	kern_return_t (*args_var)(uint32_t,...);
	48	int (args_bsd_3)(uint32_t , uint32_t,
	49	uint32_t, uint32_t);
	50	} machdep_call_routine_t;
	51
	52	#define MACHDEP_CALL_ROUTINE(func, args) \
	53	{ { .args_ ## args = func }, args, 0 }
	54
	55	#define MACHDEP_CALL_ROUTINE64(func, args) \
	56	{ { .args64_ ## args = func }, args, 0 }
	57
	58	#define MACHDEP_BSD_CALL_ROUTINE(func, args) \
	59	{ { .args_bsd_ ## args = func }, args, 1 }
	60
	61	typedef struct {
	62	machdep_call_routine_t routine;
	63	int nargs;
	64	int bsd_style;
	65	} machdep_call_t;
	66
	67	extern const machdep_call_t machdep_call_table[];
	68	extern const machdep_call_t machdep_call_table64[];
	69
	70	extern int machdep_call_count;
	71
	72	#if HYPERVISOR
	73	extern kern_return_t hv_task_trap(uint64_t,uint64_t);
	74	extern kern_return_t hv_thread_trap(uint64_t,uint64_t);
	75	#endif
	76
	77	extern kern_return_t thread_fast_set_cthread_self(uint32_t);
	78	extern kern_return_t thread_fast_set_cthread_self64(uint64_t);
	79	extern kern_return_t thread_set_user_ldt(uint32_t,uint32_t,uint32_t);
	80
	81	extern int i386_set_ldt(uint32_t *,uint32_t,uint32_t,uint32_t);
	82	extern int i386_get_ldt(uint32_t *,uint32_t,uint32_t,uint32_t);
	83
	84	extern void machdep_syscall(x86_saved_state_t *);
	85	extern void machdep_syscall64(x86_saved_state_t *);