gdb/testsuite/gdb.base/watchpoint-solib.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2004, 2007, 2009, 2010 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program 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
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
  17
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20
  21 #ifdef __WIN32__
  22 #include <windows.h>
  23 #define dlopen(name, mode) LoadLibrary (TEXT (name))
  24 #ifdef _WIN32_WCE
  25 # define dlsym(handle, func) GetProcAddress (handle, TEXT (func))
  26 #else
  27 # define dlsym(handle, func) GetProcAddress (handle, func)
  28 #endif
  29 #define dlclose(handle) FreeLibrary (handle)
  30 #else
  31 #include <dlfcn.h>
  32 #endif
  33
  34
  35 void open_shlib ()
  36 {
  37   void *handle;
  38   void (*foo) (int);
  39
  40   handle = dlopen (SHLIB_NAME, RTLD_LAZY);
  41
  42   if (!handle)
  43     {
  44 #ifdef __WIN32__
  45       fprintf (stderr, "error %d occurred\n", GetLastError ());
  46 #else
  47       fprintf (stderr, "%s\n", dlerror ());
  48 #endif
  49       exit (1);
  50     }
  51
  52   foo = (void (*)(int))dlsym (handle, "foo");
  53
  54   if (!foo)
  55     {
  56       fprintf (stderr, "%s\n", dlerror ());
  57       exit (1);
  58     }
  59
  60   foo (1); // call to foo
  61   foo (2);
  62
  63   dlclose (handle);
  64 }
  65
  66
  67 int main()
  68 {
  69   open_shlib ();
  70   return 0;
  71 }