1  /* Test for re-exec with legacy bitmap.
       2     Copyright (C) 2018-2023 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 <stdlib.h>
      20  #include <stdio.h>
      21  #include <unistd.h>
      22  #include <getopt.h>
      23  #include <support/check.h>
      24  
      25  /* Nonzero if the program gets called via `exec'.  */
      26  static int restart;
      27  
      28  #define CMDLINE_OPTIONS \
      29    { "restart", no_argument, &restart, 1 },
      30  
      31  extern int do_test (int argc, char *argv[]);
      32  
      33  extern int in_dso_1 (void);
      34  extern int in_dso_2 (void);
      35  
      36  static int
      37  check (void)
      38  {
      39    if (in_dso_1 () != 0x1234678)
      40      {
      41        puts ("in_dso_1 () != 0x1234678");
      42        exit (1);
      43      }
      44  
      45    if (in_dso_2 () != 0xbadbeef)
      46      {
      47        puts ("in_dso_2 () != 0xbadbeef");
      48        exit (1);
      49      }
      50  
      51    return 0;
      52  }
      53  
      54  int
      55  do_test (int argc, char *argv[])
      56  {
      57    /* We must have
      58       - one or four parameters left if called initially
      59         + path for ld.so		optional
      60         + "--library-path"	optional
      61         + the library path	optional
      62         + the application name
      63    */
      64  
      65    if (restart)
      66      return check ();
      67  
      68    if (argc != 2 && argc != 5)
      69      FAIL_EXIT1 ("wrong number of arguments (%d)", argc);
      70  
      71    if (argc == 5)
      72      execl (argv[1], argv[1], argv[2], argv[3], argv[4], "--direct",
      73  	   "--restart",  NULL);
      74    else
      75      execl (argv[1], argv[1], "--direct", "--restart",  NULL);
      76  
      77    return -1;
      78  }
      79  
      80  #define TEST_FUNCTION_ARGV do_test
      81  #include <support/test-driver.c>