projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 00213fe4 | 1 | /* Test for dladdr. |
| dff8da6b | 2 | Copyright (C) 2000-2024 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/>. */ |
| 00213fe4 AJ |
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); |
| 00213fe4 AJ |
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 | ||
| 00213fe4 AJ |
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" |