1 /* Test for BZ#16272, dlopen'ing an auxiliary filter object.
2    Ensure that symbols from the resolve correctly.
3 
4    Copyright (C) 2020-2022 Free Software Foundation, Inc.
5    This file is part of the GNU C Library.
6 
7    The GNU C Library is free software; you can redistribute it and/or
8    modify it under the terms of the GNU Lesser General Public
9    License as published by the Free Software Foundation; either
10    version 2.1 of the License, or (at your option) any later version.
11 
12    The GNU C Library is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15    Lesser General Public License for more details.
16 
17    You should have received a copy of the GNU Lesser General Public
18    License along with the GNU C Library; if not, see
19    <https://www.gnu.org/licenses/>.  */
20 
21 #include <stdio.h>
22 #include <support/check.h>
23 #include <support/xdlfcn.h>
24 
do_test(void)25 static int do_test (void)
26 {
27   void *lib = xdlopen ("tst-filterobj-aux.so", RTLD_LAZY);
28   char *(*fn)(void) = xdlsym (lib, "get_text");
29   const char* text = fn ();
30 
31   printf ("%s\n", text);
32 
33   /* Verify the text matches what we expect from the filtee */
34   TEST_COMPARE_STRING (text, "Hello from filtee (PASS)");
35 
36   fn = xdlsym (lib, "get_text2");
37   text = fn ();
38 
39   printf ("%s\n", text);
40 
41   /* Verify the text matches what we expect from the auxiliary object */
42   TEST_COMPARE_STRING (text, "Hello from auxiliary filter object (PASS)");
43 
44   return 0;
45 }
46 
47 #include <support/test-driver.c>
48