elf/tst-initfinilazyfail.c

   1 /* Test that lazy binding failures in constructors and destructors are fatal.
   2    Copyright (C) 2019-2021 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>