unit-tests/test-cases/bundle-memory-load-all-infos/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>
  24 #include <stdlib.h>
  25 #include <stdbool.h>
  26 #include <mach-o/dyld.h>
  27 #include <mach-o/dyld_images.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <sys/mman.h>
  31 #include <unistd.h>
  32 #include <fcntl.h>
  33 #include <Availability.h>
  34
  35 #include "test.h" // PASS(), FAIL()
  36
  37
  38 struct dyld_all_image_infos* getImageInfosFromKernel()
  39 {
  40         task_dyld_info_data_t task_dyld_info;
  41         mach_msg_type_number_t count = TASK_DYLD_INFO_COUNT;
  42
  43     if ( task_info(mach_task_self(), TASK_DYLD_INFO, (task_info_t)&task_dyld_info, &count) ) {
  44                 FAIL("all_image_infos: task_info() failed");
  45                 exit(0);
  46         }
  47         return (struct dyld_all_image_infos*)(uintptr_t)task_dyld_info.all_image_info_addr;
  48 }
  49
  50
  51 int main()
  52 {
  53 // NSObjectFileImage APIs are only available on Mac OS X - not iPhone OS
  54 #if __MAC_OS_X_VERSION_MIN_REQUIRED
  55         int fd = open("test.bundle", O_RDONLY, 0);
  56         if ( fd == -1 ) {
  57                 FAIL("open() failed");
  58                 return 1;
  59         }
  60
  61         struct stat stat_buf;
  62         if ( fstat(fd, &stat_buf) == -1) {
  63                 FAIL("fstat() failed");
  64                 return 0;
  65         }
  66
  67         void* loadAddress = mmap(NULL, stat_buf.st_size, PROT_READ, MAP_FILE | MAP_PRIVATE, fd, 0);
  68         if ( loadAddress == ((void*)(-1)) ) {
  69                 FAIL("mmap() failed");
  70                 return 0;
  71         }
  72
  73         close(fd);
  74
  75         NSObjectFileImage ofi;
  76         if ( NSCreateObjectFileImageFromMemory(loadAddress, stat_buf.st_size, &ofi) != NSObjectFileImageSuccess ) {
  77                 FAIL("NSCreateObjectFileImageFromMemory failed");
  78                 return 0;
  79         }
  80
  81         NSModule mod = NSLinkModule(ofi, "he_he", NSLINKMODULE_OPTION_NONE);
  82         if ( mod == NULL ) {
  83                 FAIL("NSLinkModule failed");
  84                 return 0;
  85         }
  86
  87         // look for he_he string in list of images loaded
  88         struct dyld_all_image_infos* infos = getImageInfosFromKernel();
  89
  90         if ( infos->infoArrayCount < 2 ) {
  91                 FAIL("bundle-memory-load-all-images: dyld_all_image_infos.infoArrayCount is  < 2");
  92                 return 0;
  93         }
  94
  95         bool found = false;
  96         for( int i=0; i < infos->infoArrayCount; ++i) {
  97                 //fprintf(stderr, "infos->infoArray[%d].imageLoadAddress=%p %s\n", i, infos->infoArray[i].imageLoadAddress, infos->infoArray[i].imageFilePath);
  98                 if ( infos->infoArray[i].imageFilePath == NULL ) {
  99                         FAIL("bundle-memory-load-all-images: NULL image path found");
 100                         exit(0);
 101                 }
 102                 if ( strcmp(infos->infoArray[i].imageFilePath, "he_he") == 0 )
 103                         found = true;
 104         }
 105
 106         if ( !found ) {
 107                 FAIL("bundle-memory-load-all-images: loaded memory bundle 'he_he' nout found");
 108                 return 0;
 109         }
 110
 111         if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_NONE) ) {
 112                 FAIL("NSUnLinkModule failed");
 113                 return 0;
 114         }
 115
 116         if ( !NSDestroyObjectFileImage(ofi) ) {
 117                 FAIL("NSDestroyObjectFileImage failed");
 118                 return 0;
 119         }
 120
 121         // Should check that loadAddress is unmmaped now (by call to NSDestroyObjectFileImage)
 122 #endif
 123
 124         PASS("bundle-memory-load-all-images");
 125         return 0;
 126 }