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 #include <mach-o/loader.h>
  31
  32 #if __cplusplus
  33 namespace dyld {
  34 #endif
  35
  36         //
  37         // This file contains the table of function pointers the host dyld supplies
  38         // to the iOS simulator dyld.
  39         //
  40         struct SyscallHelpers
  41         {
  42                 uintptr_t               version;
  43                 int                             (*open)(const char* path, int oflag, int extra);
  44                 int                             (*close)(int fd);
  45                 ssize_t                 (*pread)(int fd, void* buf, size_t nbyte, off_t offset);
  46                 ssize_t                 (*write)(int fd, const void* buf, size_t nbyte);
  47                 void*                   (*mmap)(void* addr, size_t len, int prot, int flags, int fd, off_t offset);
  48                 int                             (*munmap)(void* addr, size_t len);
  49                 int                             (*madvise)(void* addr, size_t len, int advice);
  50                 int                             (*stat)(const char* path, struct stat* buf);
  51                 int                             (*fcntl)(int fildes, int cmd, void* result);
  52                 int                             (*ioctl)(int fildes, unsigned long request, void* result);
  53                 int                             (*issetugid)(void);
  54                 char*                   (*getcwd)(char* buf, size_t size);
  55                 char*                   (*realpath)(const char* file_name, char* resolved_name);
  56                 kern_return_t   (*vm_allocate)(vm_map_t target_task, vm_address_t *address, vm_size_t size, int flags);
  57                 kern_return_t   (*vm_deallocate)(vm_map_t target_task, vm_address_t address, vm_size_t size);
  58                 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);
  59                 void                    (*vlog)(const char* format, va_list list);
  60                 void                    (*vwarn)(const char* format, va_list list);
  61                 int                             (*pthread_mutex_lock)(pthread_mutex_t* m);
  62                 int                             (*pthread_mutex_unlock)(pthread_mutex_t* m);
  63                 mach_port_t             (*mach_thread_self)(void);
  64                 kern_return_t   (*mach_port_deallocate)(ipc_space_t task, mach_port_name_t name);
  65                 mach_port_name_t(*task_self_trap)(void);
  66                 kern_return_t   (*mach_timebase_info)(mach_timebase_info_t info);
  67                 bool                    (*OSAtomicCompareAndSwapPtrBarrier)(void* old, void* nw, void * volatile *value);
  68                 void                    (*OSMemoryBarrier)(void);
  69                 void*                   (*getProcessInfo)(void); // returns dyld_all_image_infos*;
  70                 int*                    (*errnoAddress)(void);
  71                 uint64_t                (*mach_absolute_time)(void);
  72                 // Added in version 2
  73                 kern_return_t   (*thread_switch)(mach_port_name_t, int, mach_msg_timeout_t);
  74                 // Added in version 3
  75                 DIR*                    (*opendir)(const char* path);
  76                 int                     (*readdir_r)(DIR* dirp, struct dirent* entry, struct dirent **result);
  77                 int                     (*closedir)(DIR* dirp);
  78                 // Added in version 4
  79                 void                    (*coresymbolication_load_notifier)(void *connection, uint64_t load_timestamp, const char *image_path, const struct mach_header *mach_header);
  80                 void                    (*coresymbolication_unload_notifier)(void *connection, uint64_t unload_timestamp, const char *image_path, const struct mach_header *mach_header);
  81                 // Added in version 5
  82                 int                             (*proc_regionfilename)(int pid, uint64_t address, void* buffer, uint32_t buffersize);
  83                 int                             (*getpid)(void);
  84                 kern_return_t   (*mach_port_insert_right)(ipc_space_t task, mach_port_name_t name, mach_port_t poly, mach_msg_type_name_t polyPoly);
  85                 kern_return_t   (*mach_port_allocate)(ipc_space_t, mach_port_right_t, mach_port_name_t*);
  86                 kern_return_t   (*mach_msg)(mach_msg_header_t *, mach_msg_option_t , mach_msg_size_t , mach_msg_size_t , mach_port_name_t , mach_msg_timeout_t , mach_port_name_t);
  87                 // Added in version 6
  88                 void                    (*abort_with_payload)(uint32_t reason_namespace, uint64_t reason_code, void* payload, uint32_t payload_size, const char* reason_string, uint64_t reason_flags);
  89                 // Add in version 7
  90                 kern_return_t   (*task_register_dyld_image_infos)(task_t task, dyld_kernel_image_info_array_t dyld_images, mach_msg_type_number_t dyld_imagesCnt);
  91                 kern_return_t   (*task_unregister_dyld_image_infos)(task_t task, dyld_kernel_image_info_array_t dyld_images, mach_msg_type_number_t dyld_imagesCnt);
  92                 kern_return_t   (*task_get_dyld_image_infos)(task_t task, dyld_kernel_image_info_array_t *dyld_images, mach_msg_type_number_t *dyld_imagesCnt);
  93                 kern_return_t   (*task_register_dyld_shared_cache_image_info)(task_t task, dyld_kernel_image_info_t dyld_cache_image, boolean_t no_cache, boolean_t private_cache);
  94                 kern_return_t   (*task_register_dyld_set_dyld_state)(task_t task, uint8_t dyld_state);
  95         kern_return_t   (*task_register_dyld_get_process_state)(task_t task, dyld_kernel_process_info_t *dyld_process_state);
  96         kern_return_t   (*task_info)(task_name_t target_task, task_flavor_t flavor, task_info_t task_info_out, mach_msg_type_number_t *task_info_outCnt);
  97         kern_return_t   (*thread_info)(thread_inspect_t target_act, thread_flavor_t flavor, thread_info_t thread_info_out, mach_msg_type_number_t *thread_info_outCnt);
  98         // Add in version 8
  99         bool            (*kdebug_is_enabled)(uint32_t code);
 100         int             (*kdebug_trace)(uint32_t code, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4);
 101         // Add in version 9
 102         uint64_t        (*kdebug_trace_string)(uint32_t debugid, uint64_t str_id, const char *str);
 103         // Add in version 10
 104         int             (*amfi_check_dyld_policy_self)(uint64_t input_flags, uint64_t* output_flags);
 105         // Add in version 11
 106         void            (*notifyMonitoringDyldMain)(void);
 107         void            (*notifyMonitoringDyld)(bool unloading, unsigned imageCount, const struct mach_header* loadAddresses[], const char* imagePaths[]);
 108         // Add in version 12
 109         void              (*mach_msg_destroy)(mach_msg_header_t *msg);
 110         kern_return_t     (*mach_port_construct)(ipc_space_t task, mach_port_options_ptr_t options, mach_port_context_t context, mach_port_name_t *name);
 111         kern_return_t     (*mach_port_destruct)(ipc_space_t task, mach_port_name_t name, mach_port_delta_t srdelta, mach_port_context_t guard);
 112     };
 113         extern const struct SyscallHelpers* gSyscallHelpers;
 114
 115
 116 #if __cplusplus
 117 }
 118 #endif
 119
 120 #endif