1  /* Test for BZ#16272, dlopen'ing an auxiliary filter object.
       2     Ensure that symbols from the resolve correctly.
       3  
       4     Copyright (C) 2020-2023 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  
      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>