1*4d495c6eSApple OSS Distributions /* 2*4d495c6eSApple OSS Distributions * Copyright (c) 2004-2014 Apple Inc. All rights reserved. 3*4d495c6eSApple OSS Distributions * 4*4d495c6eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*4d495c6eSApple OSS Distributions * 6*4d495c6eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*4d495c6eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*4d495c6eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*4d495c6eSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*4d495c6eSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*4d495c6eSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*4d495c6eSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*4d495c6eSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*4d495c6eSApple OSS Distributions * 15*4d495c6eSApple OSS Distributions * Please obtain a copy of the License at 16*4d495c6eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*4d495c6eSApple OSS Distributions * 18*4d495c6eSApple OSS Distributions * The Original Code and all software distributed under the License are 19*4d495c6eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*4d495c6eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*4d495c6eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*4d495c6eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*4d495c6eSApple OSS Distributions * Please see the License for the specific language governing rights and 24*4d495c6eSApple OSS Distributions * limitations under the License. 25*4d495c6eSApple OSS Distributions * 26*4d495c6eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*4d495c6eSApple OSS Distributions */ 28*4d495c6eSApple OSS Distributions 29*4d495c6eSApple OSS Distributions #ifndef _SYS_SYSENT_H_ 30*4d495c6eSApple OSS Distributions #define _SYS_SYSENT_H_ 31*4d495c6eSApple OSS Distributions 32*4d495c6eSApple OSS Distributions #include <sys/appleapiopts.h> 33*4d495c6eSApple OSS Distributions #include <sys/cdefs.h> 34*4d495c6eSApple OSS Distributions 35*4d495c6eSApple OSS Distributions #ifdef KERNEL_PRIVATE 36*4d495c6eSApple OSS Distributions #ifdef __APPLE_API_PRIVATE 37*4d495c6eSApple OSS Distributions 38*4d495c6eSApple OSS Distributions typedef int32_t sy_call_t(struct proc *, void *, int *); 39*4d495c6eSApple OSS Distributions #if CONFIG_REQUIRES_U32_MUNGING 40*4d495c6eSApple OSS Distributions typedef void sy_munge_t(void *); 41*4d495c6eSApple OSS Distributions #endif 42*4d495c6eSApple OSS Distributions 43*4d495c6eSApple OSS Distributions struct sysent { /* system call table */ 44*4d495c6eSApple OSS Distributions sy_call_t *sy_call; /* implementing function */ 45*4d495c6eSApple OSS Distributions #if CONFIG_REQUIRES_U32_MUNGING 46*4d495c6eSApple OSS Distributions sy_munge_t *sy_arg_munge32; /* system call arguments munger for 32-bit process */ 47*4d495c6eSApple OSS Distributions #endif 48*4d495c6eSApple OSS Distributions int32_t sy_return_type; /* system call return types */ 49*4d495c6eSApple OSS Distributions int16_t sy_narg; /* number of args */ 50*4d495c6eSApple OSS Distributions uint16_t sy_arg_bytes; /* Total size of arguments in bytes for 51*4d495c6eSApple OSS Distributions * 32-bit system calls 52*4d495c6eSApple OSS Distributions */ 53*4d495c6eSApple OSS Distributions }; 54*4d495c6eSApple OSS Distributions 55*4d495c6eSApple OSS Distributions extern const struct sysent sysent[]; 56*4d495c6eSApple OSS Distributions extern const unsigned int nsysent; 57*4d495c6eSApple OSS Distributions 58*4d495c6eSApple OSS Distributions /* 59*4d495c6eSApple OSS Distributions * Valid values for sy_cancel 60*4d495c6eSApple OSS Distributions */ 61*4d495c6eSApple OSS Distributions #define _SYSCALL_CANCEL_NONE 0 /* Not a cancellation point */ 62*4d495c6eSApple OSS Distributions #define _SYSCALL_CANCEL_PRE 1 /* Canbe cancelled on entry itself */ 63*4d495c6eSApple OSS Distributions #define _SYSCALL_CANCEL_POST 2 /* Can only be cancelled after syscall is run */ 64*4d495c6eSApple OSS Distributions 65*4d495c6eSApple OSS Distributions /* 66*4d495c6eSApple OSS Distributions * Valid values for sy_return_type 67*4d495c6eSApple OSS Distributions */ 68*4d495c6eSApple OSS Distributions #define _SYSCALL_RET_NONE 0 69*4d495c6eSApple OSS Distributions #define _SYSCALL_RET_INT_T 1 70*4d495c6eSApple OSS Distributions #define _SYSCALL_RET_UINT_T 2 71*4d495c6eSApple OSS Distributions #define _SYSCALL_RET_OFF_T 3 72*4d495c6eSApple OSS Distributions #define _SYSCALL_RET_ADDR_T 4 73*4d495c6eSApple OSS Distributions #define _SYSCALL_RET_SIZE_T 5 74*4d495c6eSApple OSS Distributions #define _SYSCALL_RET_SSIZE_T 6 75*4d495c6eSApple OSS Distributions #define _SYSCALL_RET_UINT64_T 7 76*4d495c6eSApple OSS Distributions 77*4d495c6eSApple OSS Distributions #endif /* __APPLE_API_PRIVATE */ 78*4d495c6eSApple OSS Distributions #endif /* KERNEL_PRIVATE */ 79*4d495c6eSApple OSS Distributions 80*4d495c6eSApple OSS Distributions #endif /* !_SYS_SYSENT_H_ */ 81