elf/tst-rtld-run-static.c

   1 /* Test running statically linked programs using ld.so.
   2    Copyright (C) 2021-2024 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 <support/check.h>
  20 #include <support/support.h>
  21 #include <support/capture_subprocess.h>
  22 #include <string.h>
  23 #include <stdlib.h>
  24
  25 static int
  26 do_test (void)
  27 {
  28   char *ldconfig_path = xasprintf ("%s/elf/ldconfig", support_objdir_root);
  29
  30   {
  31     char *argv[] = { (char *) "ld.so", ldconfig_path, (char *) "--help", NULL };
  32     struct support_capture_subprocess cap
  33       = support_capture_subprogram (support_objdir_elf_ldso, argv, NULL);
  34     support_capture_subprocess_check (&cap, "no --argv0", 0, sc_allow_stdout);
  35     puts ("info: output without --argv0:");
  36     puts (cap.out.buffer);
  37     TEST_VERIFY (strstr (cap.out.buffer, "Usage: ldconfig [OPTION...]\n")
  38                  == cap.out.buffer);
  39     support_capture_subprocess_free (&cap);
  40   }
  41
  42   {
  43     char *argv[] =
  44       {
  45         (char *) "ld.so", (char *) "--argv0", (char *) "ldconfig-argv0",
  46         ldconfig_path, (char *) "--help", NULL
  47       };
  48     struct support_capture_subprocess cap
  49       = support_capture_subprogram (support_objdir_elf_ldso, argv, NULL);
  50     support_capture_subprocess_check (&cap, "with --argv0", 0, sc_allow_stdout);
  51     puts ("info: output with --argv0:");
  52     puts (cap.out.buffer);
  53     TEST_VERIFY (strstr (cap.out.buffer, "Usage: ldconfig-argv0 [OPTION...]\n")
  54                  == cap.out.buffer);
  55     support_capture_subprocess_free (&cap);
  56   }
  57
  58   free (ldconfig_path);
  59   return 0;
  60 }
  61
  62 #include <support/test-driver.c>