src/dyldSyscallInterface.h

   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,
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  19  * Please see the License for the specific language governing rights and
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  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
  32 namespace 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