dyld-43.tar.gz
[apple/dyld.git] / unit-tests / test-cases / dlsym-RTLD_SELF / main.c
1 /*
2 * Copyright (c) 2005 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 <stdio.h> // fprintf(), NULL
24 #include <stdlib.h> // exit(), EXIT_SUCCESS
25 #include <dlfcn.h>
26
27 #include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
28
29
30 ///
31 /// This process has five foo functions. They are in:
32 /// main, test.bundle, test.dylib, foo1.dylib, foo2.dylib
33 ///
34 /// Both test.bundle and test.dylib call dlsym(RTLD_SELF, "foo");
35 /// They should find the ones in their own linkage unit and
36 /// call FAIL() otherwise.
37 /// We also check that this works in the main executable.
38 ///
39
40 #ifdef RTLD_SELF
41
42 int foo()
43 {
44 return 0;
45 }
46
47 typedef void (*TestProc)(void);
48
49 static void trySO(const char* pathToLoad)
50 {
51 void* handle = dlopen(pathToLoad, RTLD_LAZY);
52 if ( handle == NULL ) {
53 FAIL("dlopen(\"%s\") failed", pathToLoad);
54 exit(0);
55 }
56
57 TestProc sym = (TestProc)dlsym(handle, "test");
58 if ( sym == NULL ) {
59 FAIL("dlsym(handle, \"test\") failed");
60 exit(0);
61 }
62
63 (*sym)();
64 }
65
66 #endif
67
68
69 int main()
70 {
71 #ifdef RTLD_SELF
72 trySO("test.bundle");
73 trySO("test.dylib");
74
75 if ( dlsym(RTLD_SELF, "foo") != &foo ) {
76 FAIL("dlsym(RTLD_SELF, \"foo\") returned wrong value");
77 }
78
79 PASS("dlsym-RTLD_SELF bundle and dylib");
80 #else
81 XFAIL("dlsym-RTLD_SELF not implemented");
82 #endif
83 return EXIT_SUCCESS;
84 }