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

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2004, 2007, 2009 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 #define dlerror() "error %d occurred", GetLastError ()
  31 #else
  32 #include <dlfcn.h>
  33 #endif
  34
  35
  36 void open_shlib ()
  37 {
  38   void *handle;
  39   void (*foo) (int);
  40
  41   handle = dlopen (SHLIB_NAME, RTLD_LAZY);
  42
  43   if (!handle)
  44     {
  45       fprintf (stderr, dlerror ());
  46       exit (1);
  47     }
  48
  49   foo = (void (*)(int))dlsym (handle, "foo");
  50
  51   if (!foo)
  52     {
  53       fprintf (stderr, dlerror ());
  54       exit (1);
  55     }
  56
  57   foo (1); // call to foo
  58   foo (2);
  59
  60   dlclose (handle);
  61 }
  62
  63
  64 int main()
  65 {
  66   open_shlib ();
  67   return 0;
  68 }