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91447636 1/*
39236c6e 2 * Copyright (c) 2004-2012 Apple Inc. All rights reserved.
5d5c5d0d 3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
91447636 5 *
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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.
8f6c56a5 14 *
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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
8f6c56a5
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20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
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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.
8f6c56a5 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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27 */
28
29#ifndef _SYS_SYSENT_H_
30#define _SYS_SYSENT_H_
31
32#include <sys/appleapiopts.h>
33#include <sys/cdefs.h>
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34
35#ifdef KERNEL_PRIVATE
36#ifdef __APPLE_API_PRIVATE
37
38typedef int32_t sy_call_t(struct proc *, void *, int *);
39typedef void sy_munge_t(const void *, void *);
40
2d21ac55 41struct sysent { /* system call table */
91447636 42 sy_call_t *sy_call; /* implementing function */
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43 sy_munge_t *sy_arg_munge32; /* system call arguments munger for 32-bit process */
44 sy_munge_t *sy_arg_munge64; /* system call arguments munger for 64-bit process */
91447636 45 int32_t sy_return_type; /* system call return types */
39236c6e 46 int16_t sy_narg; /* number of args */
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47 uint16_t sy_arg_bytes; /* Total size of arguments in bytes for
48 * 32-bit system calls
49 */
50};
51
52#ifndef __INIT_SYSENT_C__
53extern struct sysent sysent[];
54#endif /* __INIT_SYSENT_C__ */
55
56extern int nsysent;
39236c6e 57#define NUM_SYSENT 456 /* Current number of defined syscalls */
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58
59/*
60 * Valid values for sy_cancel
61 */
62#define _SYSCALL_CANCEL_NONE 0 /* Not a cancellation point */
63#define _SYSCALL_CANCEL_PRE 1 /* Canbe cancelled on entry itself */
64#define _SYSCALL_CANCEL_POST 2 /* Can only be cancelled after syscall is run */
65
66/*
67 * Valid values for sy_return_type
68 */
69#define _SYSCALL_RET_NONE 0
70#define _SYSCALL_RET_INT_T 1
71#define _SYSCALL_RET_UINT_T 2
72#define _SYSCALL_RET_OFF_T 3
73#define _SYSCALL_RET_ADDR_T 4
74#define _SYSCALL_RET_SIZE_T 5
75#define _SYSCALL_RET_SSIZE_T 6
d1ecb069 76#define _SYSCALL_RET_UINT64_T 7
91447636 77
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78#endif /* __APPLE_API_PRIVATE */
79#endif /* KERNEL_PRIVATE */
80
81#endif /* !_SYS_SYSENT_H_ */