1/* 2 * Copyright (c) 2010 Apple 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 __LIBKERNEL_INIT_H 30#define __LIBKERNEL_INIT_H 31 32#include <mach/mach.h> 33 34typedef struct _libkernel_functions { 35 /* for mach dependencies on libc */ 36 mach_port_t (*get_reply_port)(void); 37 void (*set_reply_port)(mach_port_t); 38 39 /* dlsym() for looking up catch_exception_raise */ 40 void* (*dlsym)(void*, const char*); 41 42 /* placeholders for struct layout compatibility with Libsystem */ 43 void *_placeholder_1; 44 void *_placeholder_2; 45 46 /* for setting errno in libc */ 47 void (*set_errno)(int); 48 int* (*get_errno)(void); 49 50} _libkernel_functions_t; 51 52void _libkernel_init(_libkernel_functions_t fns); 53 54#endif // __LIBKERNEL_INIT_H` 55