(root)/
glibc-2.38/
elf/
tst-initfinilazyfail.c
       1  /* Test that lazy binding failures in constructors and destructors are fatal.
       2     Copyright (C) 2019-2023 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 <dlfcn.h>
      20  #include <string.h>
      21  #include <support/capture_subprocess.h>
      22  #include <support/check.h>
      23  #include <support/xdlfcn.h>
      24  
      25  static void
      26  test_constructor (void *closure)
      27  {
      28    void *handle = dlopen ("tst-initlazyfailmod.so", RTLD_LAZY);
      29    if (handle == NULL)
      30      FAIL_EXIT (2, "dlopen did not terminate the process: %s", dlerror ());
      31    else
      32      FAIL_EXIT (2, "dlopen did not terminate the process (%p)", handle);
      33  }
      34  
      35  static void
      36  test_destructor (void *closure)
      37  {
      38    void *handle = xdlopen ("tst-finilazyfailmod.so", RTLD_LAZY);
      39    int ret = dlclose (handle);
      40    const char *message = dlerror ();
      41    if (message != NULL)
      42      FAIL_EXIT (2, "dlclose did not terminate the process: %d, %s",
      43                 ret, message);
      44    else
      45      FAIL_EXIT (2, "dlopen did not terminate the process: %d", ret);
      46  }
      47  
      48  static int
      49  do_test (void)
      50  {
      51    {
      52      struct support_capture_subprocess proc
      53        = support_capture_subprocess (test_constructor, NULL);
      54      support_capture_subprocess_check (&proc, "constructor", 127,
      55                                        sc_allow_stderr);
      56      printf ("info: constructor failure output: [[%s]]\n", proc.err.buffer);
      57      TEST_VERIFY (strstr (proc.err.buffer,
      58                           "tst-initfinilazyfail: symbol lookup error: ")
      59                   != NULL);
      60      TEST_VERIFY (strstr (proc.err.buffer,
      61                           "tst-initlazyfailmod.so: undefined symbol:"
      62                           " undefined_function\n") != NULL);
      63      support_capture_subprocess_free (&proc);
      64    }
      65  
      66    {
      67      struct support_capture_subprocess proc
      68        = support_capture_subprocess (test_destructor, NULL);
      69      support_capture_subprocess_check (&proc, "destructor", 127,
      70                                        sc_allow_stderr);
      71      printf ("info: destructor failure output: [[%s]]\n", proc.err.buffer);
      72      TEST_VERIFY (strstr (proc.err.buffer,
      73                           "tst-initfinilazyfail: symbol lookup error: ")
      74                   != NULL);
      75      TEST_VERIFY (strstr (proc.err.buffer,
      76                           "tst-finilazyfailmod.so: undefined symbol:"
      77                           " undefined_function\n") != NULL);
      78      support_capture_subprocess_free (&proc);
      79    }
      80  
      81    return 0;
      82  }
      83  
      84  #include <support/test-driver.c>