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 // NSObjectFile* APIs are only available on Mac OS X - not iPhone OS
  38 #if __MAC_OS_X_VERSION_MIN_REQUIRED
  39         // load foo.bundle with old API
  40         NSObjectFileImage ofi;
  41         if ( NSCreateObjectFileImageFromFile("foo.bundle", &ofi) != NSObjectFileImageSuccess ) {
  42                 FAIL("bundle-dont-gc: NSCreateObjectFileImageFromFile failed");
  43                 return 1;
  44         }
  45
  46         NSModule mod = NSLinkModule(ofi, "foo.bundle", NSLINKMODULE_OPTION_NONE);
  47         if ( mod == NULL ) {
  48                 FAIL("bundle-dont-gc: NSLinkModule failed");
  49                 return 1;
  50         }
  51
  52         NSSymbol sym = NSLookupSymbolInModule(mod, "_foo");
  53         if ( sym == NULL ) {
  54                 FAIL("bundle-dont-gc: NSLookupSymbolInModule failed");
  55                 return 1;
  56         }
  57
  58         void* fooAddr = NSAddressOfSymbol(sym);
  59         if ( fooAddr == NULL ) {
  60                 FAIL("bundle-dont-gc: NSAddressOfSymbol failed");
  61                 return 1;
  62         }
  63
  64         if ( !NSDestroyObjectFileImage(ofi) ) {
  65                 FAIL("bundle-dont-gc: NSDestroyObjectFileImage failed");
  66                 return 1;
  67         }
  68
  69         // open and close bar.bundle with new API, which causes a gc of images
  70         void* h1 = dlopen("bar.bundle", RTLD_LAZY);
  71         if ( h1 == NULL ) {
  72                 FAIL("bundle-dont-gc: can't dlopen bar.bundle: %s", dlerror());
  73                 return EXIT_SUCCESS;
  74         }
  75         dlclose(h1);
  76
  77         // make sure foo is still loaded
  78         Dl_info info;
  79         if ( dladdr(fooAddr, &info) == 0 ) {
  80                 FAIL("bundle-dont-gc: dladdr() failed");
  81                 exit(0);
  82         }
  83
  84         // unload foo.bundle with old API
  85         if ( !NSUnLinkModule(mod, NSUNLINKMODULE_OPTION_NONE) ) {
  86                 FAIL("NSUnLinkModule failed");
  87                 return 1;
  88         }
  89 #endif
  90
  91         PASS("bundle-dont-gc");
  92         return EXIT_SUCCESS;
  93 }