/* * Copyright (c) 2004-2014 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _SYS_SYSENT_H_ #define _SYS_SYSENT_H_ #include <sys/appleapiopts.h> #include <sys/cdefs.h> #ifdef KERNEL_PRIVATE #ifdef __APPLE_API_PRIVATE typedef int32_t sy_call_t(struct proc *, void *, int *); #if CONFIG_REQUIRES_U32_MUNGING typedef void sy_munge_t(void *); #elif __arm__ && (__BIGGEST_ALIGNMENT__ > 4) typedef int sy_munge_t(const void *, void *); #endif struct sysent { /* system call table */ sy_call_t *sy_call; /* implementing function */ #if CONFIG_REQUIRES_U32_MUNGING || (__arm__ && (__BIGGEST_ALIGNMENT__ > 4)) sy_munge_t *sy_arg_munge32; /* system call arguments munger for 32-bit process */ #endif int32_t sy_return_type; /* system call return types */ int16_t sy_narg; /* number of args */ uint16_t sy_arg_bytes; /* Total size of arguments in bytes for * 32-bit system calls */ }; extern const struct sysent sysent[]; extern const unsigned int nsysent; /* * Valid values for sy_cancel */ #define _SYSCALL_CANCEL_NONE 0 /* Not a cancellation point */ #define _SYSCALL_CANCEL_PRE 1 /* Canbe cancelled on entry itself */ #define _SYSCALL_CANCEL_POST 2 /* Can only be cancelled after syscall is run */ /* * Valid values for sy_return_type */ #define _SYSCALL_RET_NONE 0 #define _SYSCALL_RET_INT_T 1 #define _SYSCALL_RET_UINT_T 2 #define _SYSCALL_RET_OFF_T 3 #define _SYSCALL_RET_ADDR_T 4 #define _SYSCALL_RET_SIZE_T 5 #define _SYSCALL_RET_SSIZE_T 6 #define _SYSCALL_RET_UINT64_T 7 #endif /* __APPLE_API_PRIVATE */ #endif /* KERNEL_PRIVATE */ #endif /* !_SYS_SYSENT_H_ */