unit-tests/test-cases/all_image_infos/main.c

   1 /*
   2  * Copyright (c) 2008-2009 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 #include <stdlib.h> // EXIT_SUCCESS
  24 #include <stdio.h>
  25 #include <mach-o/dyld.h>
  26 #include <mach-o/dyld_images.h>
  27 #include <mach/mach.h>
  28 #include <Availability.h>
  29
  30 #include "test.h"
  31
  32 extern struct mach_header __dso_handle;
  33
  34
  35 struct dyld_all_image_infos* getImageInfosFromKernel()
  36 {
  37         task_dyld_info_data_t task_dyld_info;
  38         mach_msg_type_number_t count = TASK_DYLD_INFO_COUNT;
  39
  40     if ( task_info(mach_task_self(), TASK_DYLD_INFO, (task_info_t)&task_dyld_info, &count) ) {
  41                 FAIL("all_image_infos: task_info() failed");
  42                 exit(0);
  43         }
  44         return (struct dyld_all_image_infos*)(uintptr_t)task_dyld_info.all_image_info_addr;
  45 }
  46
  47
  48 int
  49 main()
  50 {
  51         struct dyld_all_image_infos* infos = getImageInfosFromKernel();
  52         if ( infos->version < 9 ) {
  53                 FAIL("all_image_infos: dyld_all_image_infos is not version >= 9, is  %d", infos->version);
  54                 exit(0);
  55         }
  56
  57         if ( infos->infoArrayCount < 2 ) {
  58                 FAIL("all_image_infos: dyld_all_image_infos.infoArrayCount is  < 2");
  59                 exit(0);
  60         }
  61
  62         //for( int i=0; i < infos->infoArrayCount; ++i) {
  63         //      fprintf(stderr, "infos->infoArray[%d].imageLoadAddress=%p %s\n", i, infos->infoArray[i].imageLoadAddress, infos->infoArray[i].imageFilePath);
  64         //}
  65
  66         if ( infos->infoArray[0].imageLoadAddress != &__dso_handle ) {
  67                 FAIL("all_image_infos: dyld_all_image_infos.infoArray for main executable is wrong, infos->infoArray[0].imageLoadAddress=0x%08lX vs 0x%08X",
  68                                         infos->infoArray[0].imageLoadAddress, &__dso_handle);
  69                 exit(0);
  70         }
  71
  72 #if __IPHONE_OS_VERSION_MIN_REQUIRED
  73         for (const struct dyld_image_info* p = infos->infoArray; p < &infos->infoArray[infos->infoArrayCount]; ++p) {
  74                 //fprintf(stderr, "addr=0x%p, mTime=0x%lX, path=%s\n", p->imageLoadAddress, p->imageFileModDate, p->imageFilePath);
  75                 if ( (strncmp(p->imageFilePath, "/usr/lib", 8) == 0) && (p->imageFileModDate != 0) ) {
  76                         FAIL("all_image_infos, mTime not zero for cache image %s", p->imageFilePath);
  77                         exit(0);
  78                 }
  79         }
  80 #endif
  81
  82         PASS("all_image_infos");
  83         return EXIT_SUCCESS;
  84 }
  85
  86