src/dyldSyscallInterface.h

   1 /* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
   2  *
   3  * Copyright (c) 2004-2013 Apple Inc. All rights reserved.
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   7  * This file contains Original Code and/or Modifications of Original Code
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   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
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  24
  25
  26 #ifndef __DYLD_SYSCALL_HELPERS__
  27 #define __DYLD_SYSCALL_HELPERS__
  28
  29
  30 #if __cplusplus
  31 namespace dyld {
  32 #endif
  33
  34         //
  35         // This file contains the table of function pointers the host dyld supplies
  36         // to the iOS simulator dyld.
  37         //
  38         struct SyscallHelpers
  39         {
  40                 uintptr_t               version;
  41                 int                             (*open)(const char* path, int oflag, int extra);
  42                 int                             (*close)(int fd);
  43                 ssize_t                 (*pread)(int fd, void* buf, size_t nbyte, off_t offset);
  44                 ssize_t                 (*write)(int fd, const void* buf, size_t nbyte);
  45                 void*                   (*mmap)(void* addr, size_t len, int prot, int flags, int fd, off_t offset);
  46                 int                             (*munmap)(void* addr, size_t len);
  47                 int                             (*madvise)(void* addr, size_t len, int advice);
  48                 int                             (*stat)(const char* path, struct stat* buf);
  49                 int                             (*fcntl)(int fildes, int cmd, void* result);
  50                 int                             (*ioctl)(int fildes, unsigned long request, void* result);
  51                 int                             (*issetugid)(void);
  52                 char*                   (*getcwd)(char* buf, size_t size);
  53                 char*                   (*realpath)(const char* file_name, char* resolved_name);
  54                 kern_return_t   (*vm_allocate)(vm_map_t target_task, vm_address_t *address, vm_size_t size, int flags);
  55                 kern_return_t   (*vm_deallocate)(vm_map_t target_task, vm_address_t address, vm_size_t size);
  56                 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);
  57                 void                    (*vlog)(const char* format, va_list list);
  58                 void                    (*vwarn)(const char* format, va_list list);
  59                 int                             (*pthread_mutex_lock)(pthread_mutex_t* m);
  60                 int                             (*pthread_mutex_unlock)(pthread_mutex_t* m);
  61                 mach_port_t             (*mach_thread_self)(void);
  62                 kern_return_t   (*mach_port_deallocate)(ipc_space_t task, mach_port_name_t name);
  63                 mach_port_name_t(*task_self_trap)(void);
  64                 kern_return_t   (*mach_timebase_info)(mach_timebase_info_t info);
  65                 bool                    (*OSAtomicCompareAndSwapPtrBarrier)(void* old, void* nw, void * volatile *value);
  66                 void                    (*OSMemoryBarrier)(void);
  67                 void*                   (*getProcessInfo)(void); // returns dyld_all_image_infos*;
  68                 int*                    (*errnoAddress)();
  69                 uint64_t                (*mach_absolute_time)();
  70         };
  71
  72         extern const struct SyscallHelpers* gSyscallHelpers;
  73
  74
  75 #if __cplusplus
  76 }
  77 #endif
  78
  79 #endif