| | 1 | /* |
| | 2 | * Copyright (c) 2004 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 | #ifndef _SYS_SYSENT_H_ |
| | 30 | #define _SYS_SYSENT_H_ |
| | 31 | |
| | 32 | #include <sys/appleapiopts.h> |
| | 33 | #include <sys/cdefs.h> |
| | 34 | #ifdef __ppc__ |
| | 35 | #include <sys/types.h> |
| | 36 | #endif |
| | 37 | |
| | 38 | #ifdef KERNEL_PRIVATE |
| | 39 | #ifdef __APPLE_API_PRIVATE |
| | 40 | |
| | 41 | typedef int32_t sy_call_t(struct proc *, void *, int *); |
| | 42 | typedef void sy_munge_t(const void *, void *); |
| | 43 | |
| | 44 | extern struct sysent { /* system call table */ |
| | 45 | int16_t sy_narg; /* number of args */ |
| | 46 | int8_t sy_cancel; /* funnel type */ |
| | 47 | int8_t sy_funnel; /* funnel type */ |
| | 48 | sy_call_t *sy_call; /* implementing function */ |
| | 49 | sy_munge_t *sy_arg_munge32; /* system call aguments munger for 32-bit process */ |
| | 50 | sy_munge_t *sy_arg_munge64; /* system call aguments munger for 64-bit process */ |
| | 51 | int32_t sy_return_type; /* system call return types */ |
| | 52 | } sysent[]; |
| | 53 | |
| | 54 | /* sy_funnel flags bits */ |
| | 55 | #define FUNNEL_MASK 0x00ff |
| | 56 | #define UNSAFE_64BIT 0x0100 |
| | 57 | |
| | 58 | /* |
| | 59 | * Valid values for sy_cancel |
| | 60 | */ |
| | 61 | #define _SYSCALL_CANCEL_NONE 0 /* Not a cancellation point */ |
| | 62 | #define _SYSCALL_CANCEL_PRE 1 /* Canbe cancelled on entry itself */ |
| | 63 | #define _SYSCALL_CANCEL_POST 2 /* Can only be cancelled after syscall is run */ |
| | 64 | |
| | 65 | /* |
| | 66 | * Valid values for sy_return_type |
| | 67 | */ |
| | 68 | #define _SYSCALL_RET_NONE 0 |
| | 69 | #define _SYSCALL_RET_INT_T 1 |
| | 70 | #define _SYSCALL_RET_UINT_T 2 |
| | 71 | #define _SYSCALL_RET_OFF_T 3 |
| | 72 | #define _SYSCALL_RET_ADDR_T 4 |
| | 73 | #define _SYSCALL_RET_SIZE_T 5 |
| | 74 | #define _SYSCALL_RET_SSIZE_T 6 |
| | 75 | |
| | 76 | extern int nsysent; |
| | 77 | |
| | 78 | #endif /* __APPLE_API_PRIVATE */ |
| | 79 | #endif /* KERNEL_PRIVATE */ |
| | 80 | |
| | 81 | #endif /* !_SYS_SYSENT_H_ */ |
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