(root)/
glibc-2.38/
elf/
tst-globalmod2.c
       1  /* Test BZ #28455.
       2     Copyright (C) 2022-2023 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  /* In glibc configured with --enable-hardcoded-path-in-tests, a test
      20     program built with -Wl,--enable-new-dtags, which adds DT_RUNPATH,
      21     instead of DT_RPATH, can call a function in a shared library, which
      22     dlopens another shared library.  */
      23  
      24  #include <dlfcn.h>
      25  #include <stdio.h>
      26  #include <stdlib.h>
      27  
      28  extern int test (void);
      29  
      30  int
      31  test (void)
      32  {
      33    (void) dlopen ("reldepmod4.so", RTLD_LAZY | RTLD_GLOBAL);
      34    if (dlsym (RTLD_DEFAULT, "call_me") != NULL)
      35      {
      36        puts ("found \"call_me\"");
      37        return EXIT_SUCCESS;
      38      }
      39    puts ("didn't find \"call_me\"");
      40    return EXIT_FAILURE;
      41  }