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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 <stdio.h> // fprintf(), NULL
24 #include <stdlib.h> // exit(), EXIT_SUCCESS
25 #include <dlfcn.h>
26 #include <mach-o/dyld.h>
27 #include <Availability.h>
28
29 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
30
31
32 typedef void* (*fooProc)();
33
34
35 static void notify(const struct mach_header *mh, intptr_t vmaddr_slide)
36 {
37 // NSLookupSymbolInImage is only available on Mac OS X - not iPhone OS
38 #if __MAC_OS_X_VERSION_MIN_REQUIRED
39 //fprintf(stderr, "mh=%p\n", mh);
40 NSLookupSymbolInImage(mh, "_bar", NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_FULLY | NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
41 #endif
42 }
43
44
45 int main()
46 {
47 _dyld_register_func_for_add_image(&notify);
48
49 void* handle = dlopen("libfoo.dylib", RTLD_LAZY);
50 if ( handle == NULL ) {
51 FAIL("dlopen(\"%s\") failed with: %s", "libfoo.dylib", dlerror());
52 exit(0);
53 }
54
55 fooProc fooPtr = (fooProc)dlsym(handle, "foo");
56 if ( fooPtr == NULL ) {
57 FAIL("dlsym(handle, \"foo\") failed");
58 exit(0);
59 }
60
61 void* foosMalloc = (*fooPtr)();
62 //fprintf(stderr, "foo says &malloc=%p\n", foosMalloc);
63 //fprintf(stderr, "&malloc=%p\n", &malloc);
64
65 dlclose(handle);
66
67 if ( foosMalloc == &malloc )
68 PASS("dlopen-notify-bind");
69 else
70 FAIL("dlopen-notify-bind libfoo.dylib double bound");
71 return EXIT_SUCCESS;
72 }