xref: /xnu-8020.140.41/osfmk/kern/syscall_emulation.c (revision 27b03b360a988dfd3dfdf34262bb0042026747cc)
1 /*
2  * Copyright (c) 2000-2005 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  * @OSF_COPYRIGHT@
30  */
31 /*
32  * Mach Operating System
33  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
34  * All Rights Reserved.
35  *
36  * Permission to use, copy, modify and ditribute this software and its
37  * documentation is hereby granted, provided that both the copyright
38  * notice and this permission notice appear in all copies of the
39  * software, derivative works or modified versions, and any portions
40  * thereof, and that both notices appear in supporting documentation.
41  *
42  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
43  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
44  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
45  *
46  * Carnegie Mellon requests users of this software to return to
47  *
48  *  Software Distribution Coordinator  or  [email protected]
49  *  School of Computer Science
50  *  Carnegie Mellon University
51  *  Pittsburgh PA 15213-3890
52  *
53  * any improvements or extensions that they make and grant Carnegie Mellon
54  * the rights to redistribute these changes.
55  */
56 /*
57  */
58 #include <mach/mach_types.h>
59 #include <mach/error.h>
60 #include <mach/vm_param.h>
61 #include <mach/boolean.h>
62 #include <mach/task.h>
63 
64 #include <kern/kern_types.h>
65 #include <kern/misc_protos.h>
66 #include <kern/task.h>
67 
68 #include <vm/vm_map.h>
69 #include <vm/vm_kern.h>
70 
71 /*
72  * Exported interface
73  */
74 
75 /*
76  *	task_set_emulation_vector:  [Server Entry]
77  *
78  *	Set the list of emulated system calls for this task.
79  *	The list is out-of-line.
80  */
81 kern_return_t
task_set_emulation_vector(__unused task_t task,__unused int vector_start,__unused emulation_vector_t emulation_vector,__unused mach_msg_type_number_t emulation_vector_count)82 task_set_emulation_vector(
83 	__unused task_t                 task,
84 	__unused int                    vector_start,
85 	__unused emulation_vector_t     emulation_vector,
86 	__unused mach_msg_type_number_t emulation_vector_count)
87 {
88 	return KERN_NOT_SUPPORTED;
89 }
90 
91 /*
92  *	task_get_emulation_vector: [Server Entry]
93  *
94  *	Get the list of emulated system calls for this task.
95  *	List is returned out-of-line.
96  */
97 kern_return_t
task_get_emulation_vector(__unused task_t task,__unused int * vector_start,__unused emulation_vector_t * emulation_vector,__unused mach_msg_type_number_t * emulation_vector_count)98 task_get_emulation_vector(
99 	__unused task_t                 task,
100 	__unused int                    *vector_start,          /* out */
101 	__unused emulation_vector_t     *emulation_vector,      /* out */
102 	__unused mach_msg_type_number_t *emulation_vector_count)/* out */
103 {
104 	return KERN_NOT_SUPPORTED;
105 }
106 
107 /*
108  *   task_set_emulation:  [Server Entry]
109  *   set up for user space emulation of syscalls within this task.
110  */
111 kern_return_t
task_set_emulation(__unused task_t task,__unused vm_offset_t routine_entry_pt,__unused int routine_number)112 task_set_emulation(
113 	__unused task_t         task,
114 	__unused vm_offset_t    routine_entry_pt,
115 	__unused int            routine_number)
116 {
117 	return KERN_NOT_SUPPORTED;
118 }
119