1/* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
2 *
3 * Copyright (c) 2004-2013 Apple Inc. All rights reserved.
4 *
5 * @APPLE_LICENSE_HEADER_START@
6 *
7 * This file contains Original Code and/or Modifications of Original Code
8 * as defined in and that are subject to the Apple Public Source License
9 * Version 2.0 (the 'License'). You may not use this file except in
10 * compliance with the License. Please obtain a copy of the License at
11 * http://www.opensource.apple.com/apsl/ and read it before using this
12 * file.
13 *
14 * The Original Code and all software distributed under the License are
15 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
19 * Please see the License for the specific language governing rights and
20 * limitations under the License.
21 *
22 * @APPLE_LICENSE_HEADER_END@
23 */
24
25
26#ifndef __DYLD_SYSCALL_HELPERS__
27#define __DYLD_SYSCALL_HELPERS__
28
29#include <dirent.h>
30
31#if __cplusplus
32namespace dyld {
33#endif
34
35	//
36	// This file contains the table of function pointers the host dyld supplies
37	// to the iOS simulator dyld.
38	//
39	struct SyscallHelpers
40	{
41		uintptr_t		version;
42		int				(*open)(const char* path, int oflag, int extra);
43		int				(*close)(int fd);
44		ssize_t			(*pread)(int fd, void* buf, size_t nbyte, off_t offset);
45		ssize_t			(*write)(int fd, const void* buf, size_t nbyte);
46		void*			(*mmap)(void* addr, size_t len, int prot, int flags, int fd, off_t offset);
47		int				(*munmap)(void* addr, size_t len);
48		int				(*madvise)(void* addr, size_t len, int advice);
49		int				(*stat)(const char* path, struct stat* buf);
50		int				(*fcntl)(int fildes, int cmd, void* result);
51		int				(*ioctl)(int fildes, unsigned long request, void* result);
52		int				(*issetugid)(void);
53		char*			(*getcwd)(char* buf, size_t size);
54		char*			(*realpath)(const char* file_name, char* resolved_name);
55		kern_return_t	(*vm_allocate)(vm_map_t target_task, vm_address_t *address, vm_size_t size, int flags);
56		kern_return_t	(*vm_deallocate)(vm_map_t target_task, vm_address_t address, vm_size_t size);
57		kern_return_t	(*vm_protect)(vm_map_t target_task, vm_address_t address, vm_size_t size, boolean_t max, vm_prot_t prot);
58		void			(*vlog)(const char* format, va_list list);
59		void			(*vwarn)(const char* format, va_list list);
60		int				(*pthread_mutex_lock)(pthread_mutex_t* m);
61		int				(*pthread_mutex_unlock)(pthread_mutex_t* m);
62		mach_port_t		(*mach_thread_self)(void);
63		kern_return_t	(*mach_port_deallocate)(ipc_space_t task, mach_port_name_t name);
64		mach_port_name_t(*task_self_trap)(void);
65		kern_return_t   (*mach_timebase_info)(mach_timebase_info_t info);
66		bool			(*OSAtomicCompareAndSwapPtrBarrier)(void* old, void* nw, void * volatile *value);
67		void			(*OSMemoryBarrier)(void);
68		void*			(*getProcessInfo)(void); // returns dyld_all_image_infos*;
69		int*			(*errnoAddress)();
70		uint64_t		(*mach_absolute_time)();
71		// Added in version 2
72		kern_return_t	(*thread_switch)(mach_port_name_t, int, mach_msg_timeout_t);
73		// Added in version 3
74		DIR*			(*opendir)(const char* path);
75		int 			(*readdir_r)(DIR* dirp, struct dirent* entry, struct dirent **result);
76		int 			(*closedir)(DIR* dirp);
77	};
78
79	extern const struct SyscallHelpers* gSyscallHelpers;
80
81
82#if __cplusplus
83}
84#endif
85
86#endif