1 /* hidden_test_main.c -- test hidden and internal symbols
2 
3    Copyright (C) 2009-2014 Free Software Foundation, Inc.
4    Written by Cary Coutant <ccoutant@google.com>
5 
6    This file is part of gold.
7 
8    This program is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 3 of the License, or
11    (at your option) any later version.
12 
13    This program is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with this program; if not, write to the Free Software
20    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21    MA 02110-1301, USA.
22 
23    This is a test of symbols of various visibilities in the main program
24    and attempts to reference those symbols from a shared library.
25    The linker should issue an error message for references to hidden
26    and internal symbols.  */
27 
28 extern void lib1 (void);
29 
30 void main_default (void);
31 void main_hidden (void);
32 void main_internal (void);
33 void main_protected (void);
34 
35 void __attribute__((visibility ("default")))
main_default(void)36 main_default (void)
37 {
38 }
39 
40 void __attribute__((visibility ("hidden")))
main_hidden(void)41 main_hidden (void)
42 {
43 }
44 
45 void __attribute__((visibility ("internal")))
main_internal(void)46 main_internal (void)
47 {
48 }
49 
50 void __attribute__((visibility ("protected")))
main_protected(void)51 main_protected (void)
52 {
53 }
54 
55 int
main(int argc,char ** argv)56 main (int argc __attribute__ ((unused)),
57       char** argv __attribute__ ((unused)))
58 {
59   lib1 ();
60   return 0;
61 }
62