1  /* Test struct r_debug_extended via DT_DEBUG.
       2     Copyright (C) 2021-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <stdio.h>
      20  #include <link.h>
      21  #include <stdlib.h>
      22  #include <string.h>
      23  #include <gnu/lib-names.h>
      24  #include <support/xdlfcn.h>
      25  #include <support/check.h>
      26  #include <support/test-driver.h>
      27  
      28  #define E(x) x
      29  #define EW(x) ElfW(x)
      30  #include <dl-r_debug.h>
      31  
      32  static int
      33  do_test (void)
      34  {
      35    ElfW(Dyn) *d;
      36    struct r_debug_extended *debug = NULL;
      37  
      38    for (d = _DYNAMIC; d->d_tag != DT_NULL; ++d)
      39      {
      40        debug = (struct r_debug_extended *) r_debug_address (d);
      41        if (debug != NULL)
      42  	break;
      43      }
      44  
      45    TEST_VERIFY_EXIT (debug != NULL);
      46    TEST_COMPARE (debug->base.r_version, 1);
      47    TEST_VERIFY_EXIT (debug->r_next == NULL);
      48  
      49    void *h = xdlmopen (LM_ID_NEWLM, "$ORIGIN/tst-dlmopen1mod.so",
      50  		      RTLD_LAZY);
      51  
      52    TEST_COMPARE (debug->base.r_version, 2);
      53    TEST_VERIFY_EXIT (debug->r_next != NULL);
      54    TEST_VERIFY_EXIT (debug->r_next->r_next == NULL);
      55    TEST_VERIFY_EXIT (debug->r_next->base.r_map != NULL);
      56    TEST_VERIFY_EXIT (debug->r_next->base.r_map->l_name != NULL);
      57    const char *name = basename (debug->r_next->base.r_map->l_name);
      58    TEST_COMPARE_STRING (name, "tst-dlmopen1mod.so");
      59  
      60    xdlclose (h);
      61  
      62    return 0;
      63  }
      64  
      65  #include <support/test-driver.c>