unit-tests/test-cases/dyld-slide/main.c

   1 /*
   2  * Copyright (c) 2005-2009 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 <dlfcn.h>
  25 #include <mach-o/dyld_priv.h>
  26
  27 #include "test.h"
  28
  29 //
  30 // This builds an executable that is just big enough to force dyld to slide a bit
  31 //
  32 #if __arm__
  33         #define ARRAY_SIZE  66582528
  34 #else
  35         #define ARRAY_SIZE 335400000
  36 #endif
  37
  38 //int bigarray1[ARRAY_SIZE];
  39
  40 int
  41 main()
  42 {
  43         // call a dyld function that will execute lots of code and bus error dyld was not slid
  44         dlsym(RTLD_DEFAULT, "foobar");
  45
  46         return EXIT_SUCCESS;
  47 }
  48
  49