src/dyldSyscallInterface.h

   1 /* -*- mode: C++; c-basic-offset: 4; tab-width: 4 -*-
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   3  * Copyright (c) 2004-2013 Apple Inc. All rights reserved.
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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 #include <sys/cdefs.h>
  30
  31 #include <dirent.h>
  32 #if __has_include(<libamfi.h>)
  33 #include <libamfi.h>
  34 #else
  35 __BEGIN_DECLS
  36 extern int amfi_check_dyld_policy_self(uint64_t input_flags, uint64_t* output_flags);
  37 __END_DECLS
  38 #endif
  39 #include <libkern/OSAtomic.h>
  40 #include <libproc.h>
  41 #include <mach/mach.h>
  42 #include <mach/mach_time.h>
  43 #include <mach-o/loader.h>
  44 #include <pthread.h>
  45 #include <stdlib.h>
  46 #include <sys/fcntl.h>
  47 #include <sys/ioctl.h>
  48 #include <sys/kdebug_private.h>
  49 #include <sys/mman.h>
  50 #include <sys/stat.h>
  51 #include <unistd.h>
  52 #include <System/sys/reason.h>
  53
  54 #define DYLD_SYSCALL_VTABLE_ENTRY(x) __typeof__ (x) *x
  55
  56 #if __cplusplus
  57 namespace dyld {
  58 #endif
  59         //
  60         // This file contains the table of function pointers the host dyld supplies
  61         // to the iOS simulator dyld.
  62         //
  63         struct SyscallHelpers
  64         {
  65                 uintptr_t               version;
  66                 DYLD_SYSCALL_VTABLE_ENTRY(open);
  67                 DYLD_SYSCALL_VTABLE_ENTRY(close);
  68                 DYLD_SYSCALL_VTABLE_ENTRY(pread);
  69                 DYLD_SYSCALL_VTABLE_ENTRY(write);
  70                 DYLD_SYSCALL_VTABLE_ENTRY(mmap);
  71                 DYLD_SYSCALL_VTABLE_ENTRY(munmap);
  72                 DYLD_SYSCALL_VTABLE_ENTRY(madvise);
  73                 DYLD_SYSCALL_VTABLE_ENTRY(stat);
  74                 DYLD_SYSCALL_VTABLE_ENTRY(fcntl);
  75                 DYLD_SYSCALL_VTABLE_ENTRY(ioctl);
  76                 DYLD_SYSCALL_VTABLE_ENTRY(issetugid);
  77                 DYLD_SYSCALL_VTABLE_ENTRY(getcwd);
  78                 DYLD_SYSCALL_VTABLE_ENTRY(realpath);
  79                 DYLD_SYSCALL_VTABLE_ENTRY(vm_allocate);
  80                 DYLD_SYSCALL_VTABLE_ENTRY(vm_deallocate);
  81                 DYLD_SYSCALL_VTABLE_ENTRY(vm_protect);
  82                 void                    (*vlog)(const char* format, va_list list);
  83                 void                    (*vwarn)(const char* format, va_list list);
  84                 DYLD_SYSCALL_VTABLE_ENTRY(pthread_mutex_lock);
  85                 DYLD_SYSCALL_VTABLE_ENTRY(pthread_mutex_unlock);
  86                 DYLD_SYSCALL_VTABLE_ENTRY(mach_thread_self);
  87                 DYLD_SYSCALL_VTABLE_ENTRY(mach_port_deallocate);
  88                 DYLD_SYSCALL_VTABLE_ENTRY(task_self_trap);
  89                 DYLD_SYSCALL_VTABLE_ENTRY(mach_timebase_info);
  90 #if OSATOMIC_USE_INLINED
  91                 bool                    (*OSAtomicCompareAndSwapPtrBarrier)(void* old, void* nw, void * volatile *value);
  92                 void                    (*OSMemoryBarrier)(void);
  93 #else
  94 #pragma clang diagnostic push
  95 #pragma clang diagnostic ignored "-Wdeprecated"
  96                 DYLD_SYSCALL_VTABLE_ENTRY(OSAtomicCompareAndSwapPtrBarrier);
  97                 DYLD_SYSCALL_VTABLE_ENTRY(OSMemoryBarrier);
  98 #pragma clang diagnostic pop
  99 #endif
 100                 void*                   (*getProcessInfo)(void); // returns dyld_all_image_infos*;
 101                 int*                    (*errnoAddress)(void);
 102                 DYLD_SYSCALL_VTABLE_ENTRY(mach_absolute_time);
 103                 // Added in version 2
 104                 DYLD_SYSCALL_VTABLE_ENTRY(thread_switch);
 105                 // Added in version 3
 106                 DYLD_SYSCALL_VTABLE_ENTRY(opendir);
 107                 DYLD_SYSCALL_VTABLE_ENTRY(readdir_r);
 108                 DYLD_SYSCALL_VTABLE_ENTRY(closedir);
 109                 // Added in version 4
 110                 void                    (*coresymbolication_load_notifier)(void *connection, uint64_t load_timestamp, const char *image_path, const struct mach_header *mach_header);
 111                 void                    (*coresymbolication_unload_notifier)(void *connection, uint64_t unload_timestamp, const char *image_path, const struct mach_header *mach_header);
 112                 // Added in version 5
 113                 DYLD_SYSCALL_VTABLE_ENTRY(proc_regionfilename);
 114                 DYLD_SYSCALL_VTABLE_ENTRY(getpid);
 115                 DYLD_SYSCALL_VTABLE_ENTRY(mach_port_insert_right);
 116                 DYLD_SYSCALL_VTABLE_ENTRY(mach_port_allocate);
 117                 DYLD_SYSCALL_VTABLE_ENTRY(mach_msg);
 118                 // Added in version 6
 119                 DYLD_SYSCALL_VTABLE_ENTRY(abort_with_payload);
 120                 // Add in version 7
 121                 DYLD_SYSCALL_VTABLE_ENTRY(task_register_dyld_image_infos);
 122                 DYLD_SYSCALL_VTABLE_ENTRY(task_unregister_dyld_image_infos);
 123                 DYLD_SYSCALL_VTABLE_ENTRY(task_get_dyld_image_infos);
 124                 DYLD_SYSCALL_VTABLE_ENTRY(task_register_dyld_shared_cache_image_info);
 125                 DYLD_SYSCALL_VTABLE_ENTRY(task_register_dyld_set_dyld_state);
 126                 DYLD_SYSCALL_VTABLE_ENTRY(task_register_dyld_get_process_state);
 127                 DYLD_SYSCALL_VTABLE_ENTRY(task_info);
 128                 DYLD_SYSCALL_VTABLE_ENTRY(thread_info);
 129                 // Add in version 8
 130                 DYLD_SYSCALL_VTABLE_ENTRY(kdebug_is_enabled);
 131                 DYLD_SYSCALL_VTABLE_ENTRY(kdebug_trace);
 132                 // Add in version 9
 133                 DYLD_SYSCALL_VTABLE_ENTRY(kdebug_trace_string);
 134                 // Add in version 10
 135                 DYLD_SYSCALL_VTABLE_ENTRY(amfi_check_dyld_policy_self);
 136                 // Add in version 11
 137                 void                    (*notifyMonitoringDyldMain)(void);
 138                 void                    (*notifyMonitoringDyld)(bool unloading, unsigned imageCount, const struct mach_header* loadAddresses[], const char* imagePaths[]);
 139                 // Add in version 12
 140                 DYLD_SYSCALL_VTABLE_ENTRY(mach_msg_destroy);
 141                 DYLD_SYSCALL_VTABLE_ENTRY(mach_port_construct);
 142                 DYLD_SYSCALL_VTABLE_ENTRY(mach_port_destruct);
 143         };
 144         extern const struct SyscallHelpers* gSyscallHelpers;
 145
 146
 147 #if __cplusplus
 148 }
 149 #endif
 150
 151 #endif