projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 91447636 | 1 | /* |
| fe8ab488 | 2 | * Copyright (c) 2004-2014 Apple Inc. All rights reserved. |
| 5d5c5d0d | 3 | * |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 91447636 | 5 | * |
| 2d21ac55 A |
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 | * |
| 2d21ac55 A |
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 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 2d21ac55 A |
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@ |
| 91447636 A |
27 | */ |
| 28 | ||
| 29 | #ifndef _SYS_SYSENT_H_ | |
| 30 | #define _SYS_SYSENT_H_ | |
| 31 | ||
| 32 | #include <sys/appleapiopts.h> | |
| 33 | #include <sys/cdefs.h> | |
| 91447636 A |
34 | |
| 35 | #ifdef KERNEL_PRIVATE | |
| 36 | #ifdef __APPLE_API_PRIVATE | |
| 37 | ||
| 38 | typedef int32_t sy_call_t(struct proc *, void *, int *); | |
| fe8ab488 A |
39 | #if CONFIG_REQUIRES_U32_MUNGING |
| 40 | typedef void sy_munge_t(void *); | |
| 41 | #endif | |
| 91447636 | 42 | |
| 2d21ac55 | 43 | struct sysent { /* system call table */ |
| 91447636 | 44 | sy_call_t *sy_call; /* implementing function */ |
| fe8ab488 | 45 | #if CONFIG_REQUIRES_U32_MUNGING |
| 2d21ac55 | 46 | sy_munge_t *sy_arg_munge32; /* system call arguments munger for 32-bit process */ |
| fe8ab488 | 47 | #endif |
| 91447636 | 48 | int32_t sy_return_type; /* system call return types */ |
| 39236c6e | 49 | int16_t sy_narg; /* number of args */ |
| 2d21ac55 A |
50 | uint16_t sy_arg_bytes; /* Total size of arguments in bytes for |
| 51 | * 32-bit system calls | |
| 52 | */ | |
| 53 | }; | |
| 54 | ||
| 55 | #ifndef __INIT_SYSENT_C__ | |
| 56 | extern struct sysent sysent[]; | |
| 57 | #endif /* __INIT_SYSENT_C__ */ | |
| 58 | ||
| 59 | extern int nsysent; | |
| fe8ab488 | 60 | #define NUM_SYSENT 490 /* Current number of defined syscalls */ |
| 91447636 A |
61 | |
| 62 | /* | |
| 63 | * Valid values for sy_cancel | |
| 64 | */ | |
| 65 | #define _SYSCALL_CANCEL_NONE 0 /* Not a cancellation point */ | |
| 66 | #define _SYSCALL_CANCEL_PRE 1 /* Canbe cancelled on entry itself */ | |
| 67 | #define _SYSCALL_CANCEL_POST 2 /* Can only be cancelled after syscall is run */ | |
| 68 | ||
| 69 | /* | |
| 70 | * Valid values for sy_return_type | |
| 71 | */ | |
| 72 | #define _SYSCALL_RET_NONE 0 | |
| 73 | #define _SYSCALL_RET_INT_T 1 | |
| 74 | #define _SYSCALL_RET_UINT_T 2 | |
| 75 | #define _SYSCALL_RET_OFF_T 3 | |
| 76 | #define _SYSCALL_RET_ADDR_T 4 | |
| 77 | #define _SYSCALL_RET_SIZE_T 5 | |
| 78 | #define _SYSCALL_RET_SSIZE_T 6 | |
| d1ecb069 | 79 | #define _SYSCALL_RET_UINT64_T 7 |
| 91447636 | 80 | |
| 91447636 A |
81 | #endif /* __APPLE_API_PRIVATE */ |
| 82 | #endif /* KERNEL_PRIVATE */ | |
| 83 | ||
| 84 | #endif /* !_SYS_SYSENT_H_ */ |