dyld3/libdyldEntryVector.h

   1 /*
   2  * Copyright (c) 2017 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25
  26 #ifndef __DYLD_ENTRY_VECTOR_H__
  27 #define __DYLD_ENTRY_VECTOR_H__
  28
  29 #include <mach-o/loader.h>
  30
  31 #include "LaunchCache.h"
  32 #include "Loading.h"
  33
  34 struct dyld_all_image_infos;
  35
  36 namespace dyld3 {
  37
  38 struct LibDyldEntryVector
  39 {
  40     enum { kCurrentVectorVersion = 4 };
  41
  42     uint32_t    vectorVersion;              // should be kCurrentVectorVersion
  43     uint32_t    binaryFormatVersion;        // should be launch_cache::binary_format::kFormatVersion
  44     void        (*setVars)(const mach_header* mainMH, int argc, const char* argv[], const char* envp[], const char* apple[]);
  45     void        (*setHaltFunction)(void (*func)(const char* message) __attribute__((noreturn)) );
  46     void        (*setOldAllImageInfo)(dyld_all_image_infos*);
  47     void        (*setInitialImageList)(const launch_cache::BinaryClosureData* closure,
  48                                         const void* dyldCacheLoadAddress, const char* dyldCachePath,
  49                                         const dyld3::launch_cache::DynArray<loader::ImageInfo>& initialImages,
  50                                         const mach_header* libSystemMH, const launch_cache::BinaryImageData* libSystemImage);
  51     void        (*runInitialzersBottomUp)(const mach_header* topImageLoadAddress);
  52     void        (*startFunc)();
  53     // added in version 3
  54     void        (*setChildForkFunction)(void (*func)());
  55     // added in version 4
  56     void        (*setLogFunction)(void (*logFunction)(const char* format, va_list list));
  57 };
  58
  59 extern const LibDyldEntryVector entryVectorForDyld;
  60
  61 } // namespace dyld3
  62
  63
  64 #endif // __DYLD_ENTRY_VECTOR_H__
  65
  66
  67
  68