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/* Test for dladdr.
Copyright (C) 2000-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Volkmar Sieh <vs@caldera.de> and Andreas Jaeger <aj@suse.de>.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <errno.h>
#include <error.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ldsodefs.h>
#define TEST_FUNCTION do_test ()
extern int do_test (void);
int
do_test (void)
{
void *handle;
int (*sym) (void); /* We load ref1 from glreflib1.c. */
Dl_info info;
int ret;
handle = dlopen ("glreflib1.so", RTLD_NOW);
if (handle == NULL)
error (EXIT_FAILURE, 0, "cannot load: glreflib1.so");
sym = dlsym (handle, "ref1");
if (sym == NULL)
error (EXIT_FAILURE, 0, "dlsym failed");
memset (&info, 0, sizeof (info));
ret = dladdr (sym, &info);
if (ret == 0)
error (EXIT_FAILURE, 0, "dladdr failed");
printf ("address of ref1 = %lx\n",
(unsigned long int) DL_LOOKUP_ADDRESS (sym));
printf ("ret = %d\n", ret);
printf ("info.dli_fname = %p (\"%s\")\n", info.dli_fname, info.dli_fname);
printf ("info.dli_fbase = %p\n", info.dli_fbase);
printf ("info.dli_sname = %p (\"%s\")\n", info.dli_sname, info.dli_sname);
printf ("info.dli_saddr = %p\n", info.dli_saddr);
if (info.dli_fname == NULL)
error (EXIT_FAILURE, 0, "dli_fname is NULL");
if (info.dli_fbase == NULL)
error (EXIT_FAILURE, 0, "dli_fbase is NULL");
if (info.dli_sname == NULL)
error (EXIT_FAILURE, 0, "dli_sname is NULL");
if (info.dli_saddr == NULL)
error (EXIT_FAILURE, 0, "dli_saddr is NULL");
dlclose (handle);
return 0;
}
#include "../test-skeleton.c"
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