unit-tests/test-cases/bundle-dont-gc/main.c

   1 /*
   2  * Copyright (c) 2006 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 <stdbool.h>  // fprintf(), NULL
  24 #include <stdio.h>  // fprintf(), NULL
  25 #include <stdlib.h> // exit(), EXIT_SUCCESS
  26 #include <stdbool.h>
  27 #include <string.h>
  28 #include <mach-o/dyld.h>
  29 #include <mach-o/dyld_priv.h>
  30 #include <dlfcn.h>
  31
  32 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
  33
  34
  35 int main(int argc, const char* argv[])
  36 {
  37         // load foo.bundle with old API
  38         NSObjectFileImage ofi;
  39         if ( NSCreateObjectFileImageFromFile("foo.bundle", &ofi) != NSObjectFileImageSuccess ) {
  40                 FAIL("bundle-dont-gc: NSCreateObjectFileImageFromFile failed");
  41                 return 1;
  42         }
  43
  44         NSModule mod = NSLinkModule(ofi, "foo.bundle", NSLINKMODULE_OPTION_NONE);
  45         if ( mod == NULL ) {
  46                 FAIL("bundle-dont-gc: NSLinkModule failed");
  47                 return 1;
  48         }
  49
  50         NSSymbol sym = NSLookupSymbolInModule(mod, "_foo");
  51         if ( sym == NULL ) {
  52                 FAIL("bundle-dont-gc: NSLookupSymbolInModule failed");
  53                 return 1;
  54         }
  55
  56         void* fooAddr = NSAddressOfSymbol(sym);
  57         if ( fooAddr == NULL ) {
  58                 FAIL("bundle-dont-gc: NSAddressOfSymbol failed");
  59                 return 1;
  60         }
  61
  62         if ( !NSDestroyObjectFileImage(ofi) ) {
  63                 FAIL("bundle-dont-gc: NSDestroyObjectFileImage failed");
  64                 return 1;
  65         }
  66
  67         // open and close bar.bundle with new API, which causes a gc of images
  68         void* h1 = dlopen("bar.bundle", RTLD_LAZY);
  69         if ( h1 == NULL ) {
  70                 FAIL("bundle-dont-gc: can't dlopen bar.bundle: %s", dlerror());
  71                 return EXIT_SUCCESS;
  72         }
  73         dlclose(h1);
  74
  75         // make sure foo is still loaded
  76         Dl_info info;
  77         if ( dladdr(fooAddr, &info) == 0 ) {
  78                 FAIL("bundle-dont-gc: dladdr() failed");
  79                 exit(0);
  80         }
  81
  82         // unload foo.bundle with old API
  83         if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_NONE) ) {
  84                 FAIL("NSUnLinkModule failed");
  85                 return 1;
  86         }
  87
  88
  89         PASS("bundle-dont-gc");
  90         return EXIT_SUCCESS;
  91 }