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authorAndreas Jaeger <aj@suse.de>2000-07-28 08:13:51 +0000
committerAndreas Jaeger <aj@suse.de>2000-07-28 08:13:51 +0000
commit00213fe406e0f1b5169d90020351d611c5af723d (patch)
tree9a8e558aab5e8715468e9559283078dcaf602d84 /dlfcn/tst-dladdr.c
parent2ef4fbbd3370f7a2667ee68dbcae805bba98ffc7 (diff)
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Update.
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>.
Diffstat (limited to 'dlfcn/tst-dladdr.c')
-rw-r--r--dlfcn/tst-dladdr.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/dlfcn/tst-dladdr.c b/dlfcn/tst-dladdr.c
new file mode 100644
index 0000000..5493a15
--- /dev/null
+++ b/dlfcn/tst-dladdr.c
@@ -0,0 +1,75 @@
+/* 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"