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80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/* Test for dladdr.
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Copyright (C) 2000-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Volkmar Sieh <vs@caldera.de> and Andreas Jaeger <aj@suse.de>.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <dlfcn.h>
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#include <errno.h>
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#include <error.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ldsodefs.h>
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#define TEST_FUNCTION do_test ()
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extern int do_test (void);
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int
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do_test (void)
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{
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void *handle;
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int (*sym) (void); /* We load ref1 from glreflib1.c. */
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Dl_info info;
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int ret;
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handle = dlopen ("glreflib1.so", RTLD_NOW);
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if (handle == NULL)
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error (EXIT_FAILURE, 0, "cannot load: glreflib1.so");
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sym = dlsym (handle, "ref1");
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if (sym == NULL)
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error (EXIT_FAILURE, 0, "dlsym failed");
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memset (&info, 0, sizeof (info));
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ret = dladdr (sym, &info);
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if (ret == 0)
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error (EXIT_FAILURE, 0, "dladdr failed");
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printf ("address of ref1 = %lx\n",
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(unsigned long int) DL_LOOKUP_ADDRESS (sym));
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printf ("ret = %d\n", ret);
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printf ("info.dli_fname = %p (\"%s\")\n", info.dli_fname, info.dli_fname);
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printf ("info.dli_fbase = %p\n", info.dli_fbase);
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printf ("info.dli_sname = %p (\"%s\")\n", info.dli_sname, info.dli_sname);
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printf ("info.dli_saddr = %p\n", info.dli_saddr);
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if (info.dli_fname == NULL)
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error (EXIT_FAILURE, 0, "dli_fname is NULL");
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if (info.dli_fbase == NULL)
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error (EXIT_FAILURE, 0, "dli_fbase is NULL");
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if (info.dli_sname == NULL)
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error (EXIT_FAILURE, 0, "dli_sname is NULL");
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if (info.dli_saddr == NULL)
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error (EXIT_FAILURE, 0, "dli_saddr is NULL");
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dlclose (handle);
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return 0;
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}
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#include "../test-skeleton.c"
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