gdb/testsuite/gdb.base/print-file-var-main.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2    Copyright 2012-2021 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  16
  17 #ifdef SHLIB_NAME
  18 # include <dlfcn.h>
  19 #endif
  20
  21 #include <assert.h>
  22 #include <stddef.h>
  23
  24 #include "print-file-var.h"
  25
  26 START_EXTERN_C
  27
  28 extern int get_version_1 (void);
  29 extern int get_version_2 (void);
  30
  31 END_EXTERN_C
  32
  33 #if VERSION_ID_MAIN
  34 ATTRIBUTE_VISIBILITY int this_version_id = 55;
  35 #endif
  36
  37 int
  38 main (void)
  39 {
  40 #if VERSION_ID_MAIN
  41   int vm = this_version_id;
  42 #endif
  43   int v1 = get_version_1 ();
  44   int v2;
  45
  46 #ifdef SHLIB_NAME
  47   {
  48     void *handle = dlopen (SHLIB_NAME, RTLD_LAZY);
  49     int (*getver2) (void);
  50
  51     assert (handle != NULL);
  52
  53     getver2 = (int (*)(void)) dlsym (handle, "get_version_2");
  54
  55     v2 = getver2 ();
  56   }
  57 #else
  58   v2 = get_version_2 ();
  59 #endif
  60
  61   return 0; /* STOP */
  62 }