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

   1 /*
   2  * Copyright (c) 2010 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 <stdio.h>  // fprintf(), NULL
  24 #include <stdlib.h> // exit(), EXIT_SUCCESS
  25 #include <dlfcn.h>
  26 #include <mach-o/dyld.h>
  27 #include <mach-o/dyld_images.h>
  28 #include <mach/mach.h>
  29
  30 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
  31
  32 struct dyld_all_image_infos* getImageInfosFromKernel()
  33 {
  34         task_dyld_info_data_t task_dyld_info;
  35         mach_msg_type_number_t count = TASK_DYLD_INFO_COUNT;
  36
  37     if ( task_info(mach_task_self(), TASK_DYLD_INFO, (task_info_t)&task_dyld_info, &count) ) {
  38                 FAIL("all_image_infos: task_info() failed");
  39                 exit(0);
  40         }
  41         return (struct dyld_all_image_infos*)(uintptr_t)task_dyld_info.all_image_info_addr;
  42 }
  43
  44
  45 int main(int argc, const char* argv[])
  46 {
  47         void* handle = dlopen("libfoo.dylib", RTLD_LAZY);
  48         if ( handle == NULL ) {
  49                 FAIL("dlopen(\"%s\") failed with: %s", "libfoo.dylib", dlerror());
  50                 exit(0);
  51         }
  52
  53         void* handle2 = dlopen("libfoodup.dylib", RTLD_LAZY);
  54         if ( handle2 == NULL ) {
  55                 FAIL("dlopen(\"%s\") failed with: %s", "libfoodup.dylib", dlerror());
  56                 exit(0);
  57         }
  58
  59         struct dyld_all_image_infos* infos = getImageInfosFromKernel();
  60         for( int i=0; i < infos->infoArrayCount; ++i) {
  61                 //fprintf(stderr, "[%d] %s\n", i , infos->infoArray[i].imageFilePath);
  62                 if ( strlen(infos->infoArray[i].imageFilePath) < 5 ) {
  63                         FAIL("all_image_infos-duplicates: bad entry for address 0x%08X", infos->infoArray[i].imageLoadAddress);
  64                         return EXIT_SUCCESS;
  65                 }
  66         }
  67
  68         PASS("all_image_infos-duplicates");
  69         return EXIT_SUCCESS;
  70 }