projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 91447636 A |
1 | /* |
| 2 | * Copyright (c) 2004 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * The contents of this file constitute Original Code as defined in and | |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 8 | * "License"). You may not use this file except in compliance with the | |
| 9 | * License. Please obtain a copy of the License at | |
| 10 | * http://www.apple.com/publicsource and read it before using this file. | |
| 11 | * | |
| 12 | * This Original Code and all software distributed under the License are | |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the | |
| 17 | * License for the specific language governing rights and limitations | |
| 18 | * under the License. | |
| 19 | * | |
| 20 | * @APPLE_LICENSE_HEADER_END@ | |
| 21 | */ | |
| 22 | ||
| 23 | #ifndef _SYS_SYSENT_H_ | |
| 24 | #define _SYS_SYSENT_H_ | |
| 25 | ||
| 26 | #include <sys/appleapiopts.h> | |
| 27 | #include <sys/cdefs.h> | |
| 28 | #ifdef __ppc__ | |
| 29 | #include <sys/types.h> | |
| 30 | #endif | |
| 31 | ||
| 32 | #ifdef KERNEL_PRIVATE | |
| 33 | #ifdef __APPLE_API_PRIVATE | |
| 34 | ||
| 35 | typedef int32_t sy_call_t(struct proc *, void *, int *); | |
| 36 | typedef void sy_munge_t(const void *, void *); | |
| 37 | ||
| 38 | extern struct sysent { /* system call table */ | |
| 39 | int16_t sy_narg; /* number of args */ | |
| 40 | int8_t sy_cancel; /* funnel type */ | |
| 41 | int8_t sy_funnel; /* funnel type */ | |
| 42 | sy_call_t *sy_call; /* implementing function */ | |
| 43 | sy_munge_t *sy_arg_munge32; /* system call aguments munger for 32-bit process */ | |
| 44 | sy_munge_t *sy_arg_munge64; /* system call aguments munger for 64-bit process */ | |
| 45 | int32_t sy_return_type; /* system call return types */ | |
| 46 | } sysent[]; | |
| 47 | ||
| 48 | /* sy_funnel flags bits */ | |
| 49 | #define FUNNEL_MASK 0x00ff | |
| 50 | #define UNSAFE_64BIT 0x0100 | |
| 51 | ||
| 52 | /* | |
| 53 | * Valid values for sy_cancel | |
| 54 | */ | |
| 55 | #define _SYSCALL_CANCEL_NONE 0 /* Not a cancellation point */ | |
| 56 | #define _SYSCALL_CANCEL_PRE 1 /* Canbe cancelled on entry itself */ | |
| 57 | #define _SYSCALL_CANCEL_POST 2 /* Can only be cancelled after syscall is run */ | |
| 58 | ||
| 59 | /* | |
| 60 | * Valid values for sy_return_type | |
| 61 | */ | |
| 62 | #define _SYSCALL_RET_NONE 0 | |
| 63 | #define _SYSCALL_RET_INT_T 1 | |
| 64 | #define _SYSCALL_RET_UINT_T 2 | |
| 65 | #define _SYSCALL_RET_OFF_T 3 | |
| 66 | #define _SYSCALL_RET_ADDR_T 4 | |
| 67 | #define _SYSCALL_RET_SIZE_T 5 | |
| 68 | #define _SYSCALL_RET_SSIZE_T 6 | |
| 69 | ||
| 70 | extern int nsysent; | |
| 71 | ||
| 72 | #endif /* __APPLE_API_PRIVATE */ | |
| 73 | #endif /* KERNEL_PRIVATE */ | |
| 74 | ||
| 75 | #endif /* !_SYS_SYSENT_H_ */ |