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00213fe4 | 1 | /* Test for dladdr. |
2b778ceb | 2 | Copyright (C) 2000-2021 Free Software Foundation, Inc. |
41bdb6e2 | 3 | This file is part of the GNU C Library. |
00213fe4 AJ |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
00213fe4 AJ |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
00213fe4 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
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18 | |
19 | #include <dlfcn.h> | |
20 | #include <errno.h> | |
21 | #include <error.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | ||
26 | ||
27 | #define TEST_FUNCTION do_test () | |
ed073f0e | 28 | extern int do_test (void); |
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29 | |
30 | int | |
31 | do_test (void) | |
32 | { | |
33 | void *handle; | |
34 | int (*sym) (void); /* We load ref1 from glreflib1.c. */ | |
35 | Dl_info info; | |
36 | int ret; | |
37 | ||
38 | ||
39 | handle = dlopen ("glreflib1.so", RTLD_NOW); | |
40 | if (handle == NULL) | |
41 | error (EXIT_FAILURE, 0, "cannot load: glreflib1.so"); | |
42 | ||
43 | sym = dlsym (handle, "ref1"); | |
44 | if (sym == NULL) | |
45 | error (EXIT_FAILURE, 0, "dlsym failed"); | |
46 | ||
47 | memset (&info, 0, sizeof (info)); | |
48 | ret = dladdr (sym, &info); | |
49 | ||
50 | if (ret == 0) | |
51 | error (EXIT_FAILURE, 0, "dladdr failed"); | |
52 | ||
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53 | printf ("ret = %d\n", ret); |
54 | printf ("info.dli_fname = %p (\"%s\")\n", info.dli_fname, info.dli_fname); | |
55 | printf ("info.dli_fbase = %p\n", info.dli_fbase); | |
56 | printf ("info.dli_sname = %p (\"%s\")\n", info.dli_sname, info.dli_sname); | |
57 | printf ("info.dli_saddr = %p\n", info.dli_saddr); | |
58 | ||
59 | if (info.dli_fname == NULL) | |
60 | error (EXIT_FAILURE, 0, "dli_fname is NULL"); | |
61 | if (info.dli_fbase == NULL) | |
62 | error (EXIT_FAILURE, 0, "dli_fbase is NULL"); | |
63 | if (info.dli_sname == NULL) | |
64 | error (EXIT_FAILURE, 0, "dli_sname is NULL"); | |
65 | if (info.dli_saddr == NULL) | |
66 | error (EXIT_FAILURE, 0, "dli_saddr is NULL"); | |
67 | ||
68 | dlclose (handle); | |
69 | ||
70 | return 0; | |
71 | } | |
72 | ||
73 | ||
74 | #include "../test-skeleton.c" |