mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 13:00:06 +00:00
00213fe406
2000-07-28 Andreas Jaeger <aj@suse.de> * sysdeps/gnu/netinet/tcp.h: Add TCP options from Linux 2.4. * dlfcn/Makefile ($(objpfx)tst-dladdr): New. ($(objpfx)tst-dladdr.out): new. (tests): Add tst-dladdr. ($(objpfx)glrefmain): Use libdl. * dlfcn/tst-dladdr.c: New file. Based on a test by Volkmar Sieh <vs@caldera.de>.
76 lines
2.2 KiB
C
76 lines
2.2 KiB
C
/* Test for dladdr.
|
|
Copyright (C) 2000 Free Software Foundation, Inc.
|
|
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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <dlfcn.h>
|
|
#include <errno.h>
|
|
#include <error.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
|
|
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 = %p\n", 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"
|