1/*
2 * Copyright (c) 2005-2008 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 <string.h>
26#include <dlfcn.h>
27#include <mach-o/dyld.h>
28#include <Availability.h>
29
30#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
31
32
33
34int bar()
35{
36	return 2;
37}
38
39static int foo()
40{
41	return 3;
42}
43
44__attribute__((visibility("hidden"))) int hide()
45{
46	return 4;
47}
48
49// checks global symbol
50static void verifybar()
51{
52	Dl_info info;
53	if ( dladdr(&bar, &info) == 0 ) {
54		FAIL("dladdr(&bar, xx) failed");
55		exit(0);
56	}
57	if ( strcmp(info.dli_sname, "bar") != 0 ) {
58		if ( strcmp(info.dli_sname, "_bar") == 0 ) {
59			XFAIL("dladdr()->dli_sname is \"%s\" instead of \"bar\"", info.dli_sname);
60		}
61		else {
62			FAIL("dladdr()->dli_sname is \"%s\" instead of \"bar\"", info.dli_sname);
63			exit(0);
64		}
65	}
66	if ( info.dli_saddr != &bar) {
67		FAIL("dladdr()->dli_saddr is not &bar");
68		exit(0);
69	}
70#if __MAC_OS_X_VERSION_MIN_REQUIRED
71	if ( info.dli_fbase != _dyld_get_image_header_containing_address(&bar) ) {
72		FAIL("dladdr()->dli_fbase is not image that contains &bar");
73		exit(0);
74	}
75#endif
76}
77
78// checks local symbol
79static void verifyfoo()
80{
81	Dl_info info;
82	if ( dladdr(&foo, &info) == 0 ) {
83		FAIL("dladdr(&foo, xx) failed");
84		exit(0);
85	}
86	if ( strcmp(info.dli_sname, "foo") != 0 ) {
87		FAIL("dladdr()->dli_sname is \"%s\" instead of \"foo\"", info.dli_sname);
88		exit(0);
89	}
90	if ( info.dli_saddr != &foo) {
91		FAIL("dladdr()->dli_saddr is not &foo");
92		exit(0);
93	}
94#if __MAC_OS_X_VERSION_MIN_REQUIRED
95	if ( info.dli_fbase != _dyld_get_image_header_containing_address(&foo) ) {
96		FAIL("dladdr()->dli_fbase is not image that contains &foo");
97		exit(0);
98	}
99#endif
100}
101
102// checks hidden symbol
103static void verifyhide()
104{
105	Dl_info info;
106	if ( dladdr(&hide, &info) == 0 ) {
107		FAIL("dladdr(&hide, xx) failed");
108		exit(0);
109	}
110	if ( strcmp(info.dli_sname, "hide") != 0 ) {
111		FAIL("dladdr()->dli_sname is \"%s\" instead of \"hide\"", info.dli_sname);
112		exit(0);
113	}
114	if ( info.dli_saddr != &hide) {
115		FAIL("dladdr()->dli_saddr is not &hide");
116		exit(0);
117	}
118#if __MAC_OS_X_VERSION_MIN_REQUIRED
119	if ( info.dli_fbase != _dyld_get_image_header_containing_address(&hide) ) {
120		FAIL("dladdr()->dli_fbase is not image that contains &hide");
121		exit(0);
122	}
123#endif
124}
125
126
127int main()
128{
129	verifybar();
130	verifyhide();
131	verifyfoo();
132
133
134	PASS("dladdr");
135	return EXIT_SUCCESS;
136}
137