1 /* This testcase is part of GDB, the GNU debugger.
2
3 Copyright 2004, 2007, 2009, 2010, 2011 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
open_shlib()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
main()67 int main()
68 {
69 open_shlib ();
70 return 0;
71 }
72