projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 00213fe4 | 1 | /* Test for dladdr. |
| 131fd00f | 2 | Copyright (C) 2000, 2001 Free Software Foundation, Inc. |
| 41bdb6e2 | 3 | This file is part of the GNU C Library. |
| 00213fe4 AJ |
4 | Contributed by Volkmar Sieh <vs@caldera.de> and Andreas Jaeger <aj@suse.de>. |
| 5 | ||
| 6 | The GNU C Library is free software; you can redistribute it and/or | |
| 41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either | |
| 9 | version 2.1 of the License, or (at your option) any later version. | |
| 00213fe4 AJ |
10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 41bdb6e2 | 14 | Lesser General Public License for more details. |
| 00213fe4 | 15 | |
| 41bdb6e2 AJ |
16 | You should have received a copy of the GNU Lesser General Public |
| 17 | License along with the GNU C Library; if not, write to the Free | |
| 18 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
| 19 | 02111-1307 USA. */ | |
| 00213fe4 AJ |
20 | |
| 21 | #include <dlfcn.h> | |
| 22 | #include <errno.h> | |
| 23 | #include <error.h> | |
| 24 | #include <stdio.h> | |
| 25 | #include <stdlib.h> | |
| 26 | #include <string.h> | |
| 27 | ||
| 131fd00f UD |
28 | #include <ldsodefs.h> |
| 29 | ||
| 00213fe4 AJ |
30 | |
| 31 | #define TEST_FUNCTION do_test () | |
| ed073f0e | 32 | extern int do_test (void); |
| 00213fe4 AJ |
33 | |
| 34 | int | |
| 35 | do_test (void) | |
| 36 | { | |
| 37 | void *handle; | |
| 38 | int (*sym) (void); /* We load ref1 from glreflib1.c. */ | |
| 39 | Dl_info info; | |
| 40 | int ret; | |
| 41 | ||
| 42 | ||
| 43 | handle = dlopen ("glreflib1.so", RTLD_NOW); | |
| 44 | if (handle == NULL) | |
| 45 | error (EXIT_FAILURE, 0, "cannot load: glreflib1.so"); | |
| 46 | ||
| 47 | sym = dlsym (handle, "ref1"); | |
| 48 | if (sym == NULL) | |
| 49 | error (EXIT_FAILURE, 0, "dlsym failed"); | |
| 50 | ||
| 51 | memset (&info, 0, sizeof (info)); | |
| 52 | ret = dladdr (sym, &info); | |
| 53 | ||
| 54 | if (ret == 0) | |
| 55 | error (EXIT_FAILURE, 0, "dladdr failed"); | |
| 56 | ||
| 131fd00f UD |
57 | printf ("address of ref1 = %lx\n", |
| 58 | (unsigned long int) DL_LOOKUP_ADDRESS (sym)); | |
| 00213fe4 AJ |
59 | printf ("ret = %d\n", ret); |
| 60 | printf ("info.dli_fname = %p (\"%s\")\n", info.dli_fname, info.dli_fname); | |
| 61 | printf ("info.dli_fbase = %p\n", info.dli_fbase); | |
| 62 | printf ("info.dli_sname = %p (\"%s\")\n", info.dli_sname, info.dli_sname); | |
| 63 | printf ("info.dli_saddr = %p\n", info.dli_saddr); | |
| 64 | ||
| 65 | if (info.dli_fname == NULL) | |
| 66 | error (EXIT_FAILURE, 0, "dli_fname is NULL"); | |
| 67 | if (info.dli_fbase == NULL) | |
| 68 | error (EXIT_FAILURE, 0, "dli_fbase is NULL"); | |
| 69 | if (info.dli_sname == NULL) | |
| 70 | error (EXIT_FAILURE, 0, "dli_sname is NULL"); | |
| 71 | if (info.dli_saddr == NULL) | |
| 72 | error (EXIT_FAILURE, 0, "dli_saddr is NULL"); | |
| 73 | ||
| 74 | dlclose (handle); | |
| 75 | ||
| 76 | return 0; | |
| 77 | } | |
| 78 | ||
| 79 | ||
| 80 | #include "../test-skeleton.c" |