unit-tests/test-cases/bundle-memory-load/main.c

   1 /*
   2  * Copyright (c) 2005 Apple Computer, 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 <stdbool.h>
  25 #include <mach-o/dyld.h>
  26 #include <sys/types.h>
  27 #include <sys/stat.h>
  28 #include <sys/mman.h>
  29 #include <unistd.h>
  30 #include <fcntl.h>
  31
  32 #include "test.h" // PASS(), FAIL()
  33
  34 typedef bool (*CheckFunc)();
  35
  36 int main()
  37 {
  38         int fd = open("test.bundle", O_RDONLY, 0);
  39         if ( fd == -1 ) {
  40                 FAIL("open() failed");
  41                 return 1;
  42         }
  43
  44         struct stat stat_buf;
  45         if ( fstat(fd, &stat_buf) == -1) {
  46                 FAIL("fstat() failed");
  47                 return 1;
  48         }
  49
  50         void* loadAddress = mmap(NULL, stat_buf.st_size, PROT_READ, MAP_FILE | MAP_PRIVATE, fd, 0);
  51         if ( loadAddress == ((void*)(-1)) ) {
  52                 FAIL("mmap() failed");
  53                 return 1;
  54         }
  55
  56         close(fd);
  57
  58         NSObjectFileImage ofi;
  59         if ( NSCreateObjectFileImageFromMemory(loadAddress, stat_buf.st_size, &ofi) != NSObjectFileImageSuccess ) {
  60                 FAIL("NSCreateObjectFileImageFromMemory failed");
  61                 return 1;
  62         }
  63
  64         NSModule mod = NSLinkModule(ofi, "he_he", NSLINKMODULE_OPTION_NONE);
  65         if ( mod == NULL ) {
  66                 FAIL("NSLinkModule failed");
  67                 return 1;
  68         }
  69
  70         NSSymbol sym = NSLookupSymbolInModule(mod, "_checkdata");
  71         if ( sym == NULL ) {
  72                 FAIL("NSLookupSymbolInModule failed");
  73                 return 1;
  74         }
  75
  76         CheckFunc func = NSAddressOfSymbol(sym);
  77         if ( !func() ) {
  78                 FAIL("NSAddressOfSymbol failed");
  79                 return 1;
  80         }
  81
  82         if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_NONE) ) {
  83                 FAIL("NSUnLinkModule failed");
  84                 return 1;
  85         }
  86
  87         if ( !NSDestroyObjectFileImage(ofi) ) {
  88                 FAIL("NSDestroyObjectFileImage failed");
  89                 return 1;
  90         }
  91
  92         // Should check that loadAddress is unmmaped now (by call to NSDestroyObjectFileImage)
  93
  94         PASS("bundle-memory-load");
  95         return 0;
  96 }