dyld-635.2.tar.gz
[apple/dyld.git] / unit-tests / test-cases / bundle-v-dylib / 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 <stdio.h>
24 #include <stdbool.h>
25 #include <stdlib.h>
26 #include <mach-o/dyld.h>
27 #include <sys/types.h>
28 #include <sys/stat.h>
29 #include <sys/mman.h>
30 #include <unistd.h>
31 #include <fcntl.h>
32 #include <Availability.h>
33
34 #include "test.h" // PASS(), FAIL()
35
36 extern void bar();
37
38
39 // NSCreateObjectFileImageFromMemory is only available on Mac OS X - not iPhone OS
40 #if __MAC_OS_X_VERSION_MIN_REQUIRED
41
42 void loadAsBundleFromMemory(const char* path)
43 {
44 int fd = open(path, O_RDONLY, 0);
45 if ( fd == -1 ) {
46 FAIL("bundle-v-dylib: open() failed");
47 exit(0);
48 }
49
50 struct stat stat_buf;
51 if ( fstat(fd, &stat_buf) == -1) {
52 FAIL("bundle-v-dylib: fstat() failed");
53 exit(0);
54 }
55
56 void* loadAddress = mmap(NULL, stat_buf.st_size, PROT_READ, MAP_FILE | MAP_PRIVATE, fd, 0);
57 if ( loadAddress == ((void*)(-1)) ) {
58 FAIL("bundle-v-dylib: mmap() failed");
59 exit(0);
60 }
61
62 close(fd);
63
64 NSObjectFileImage ofi;
65 if ( NSCreateObjectFileImageFromMemory(loadAddress, stat_buf.st_size, &ofi) == NSObjectFileImageSuccess ) {
66 FAIL("bundle-v-dylib: NSCreateObjectFileImageFromMemory() incorrectly allowed %s to be loaded", path);
67 exit(0);
68 }
69 }
70
71 void loadAsBundle(const char* path)
72 {
73 NSObjectFileImage ofi;
74 if ( NSCreateObjectFileImageFromFile(path, &ofi) == NSObjectFileImageSuccess ) {
75 FAIL("bundle-v-dylib: NSCreateObjectFileImageFromFile() incorrectly allowed %s to be loaded", path);
76 exit(0);
77 }
78 }
79
80 void loadAsDylib(const char* path)
81 {
82 if ( NSAddImage(path, NSADDIMAGE_OPTION_RETURN_ON_ERROR) != NULL ) {
83 FAIL("bundle-v-dylib: NSAddImage() incorrectly allowed %s to be loaded", path);
84 exit(0);
85 }
86 }
87
88 #endif
89
90 int main()
91 {
92 #if __MAC_OS_X_VERSION_MIN_REQUIRED
93 int dummy;
94
95 // verify that NSAddImage fails to load MH_BUNDLE
96 loadAsDylib("foo.bundle");
97
98 // verify that NSCreateObjectFileImageFromFile fails to load MH_DYLIB
99 loadAsBundle("foo.dylib");
100
101 // verify that NSCreateObjectFileImageFromFile fails to load MH_DYLIB already linked against main
102 loadAsBundle("bar.dylib");
103
104 // verify that bar.dylib was not unloaded when above failed
105 bar();
106
107 // try loading a dylib from memory using bundle API's
108 loadAsBundleFromMemory("foo2.dylib");
109
110 // verify that dyld data structures are not wanked by scanning all images
111 _dyld_get_image_header_containing_address(&dummy);
112 #endif
113 PASS("bundle-v-dylib");
114 return 0;
115 }