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