| 1 | /* hidden_test_main.c -- test hidden and internal symbols |
| 2 | |
| 3 | Copyright (C) 2009-2020 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"))) |
| 36 | main_default (void) |
| 37 | { |
| 38 | } |
| 39 | |
| 40 | void __attribute__((visibility ("hidden"))) |
| 41 | main_hidden (void) |
| 42 | { |
| 43 | } |
| 44 | |
| 45 | void __attribute__((visibility ("internal"))) |
| 46 | main_internal (void) |
| 47 | { |
| 48 | } |
| 49 | |
| 50 | void __attribute__((visibility ("protected"))) |
| 51 | main_protected (void) |
| 52 | { |
| 53 | } |
| 54 | |
| 55 | int |
| 56 | main (int argc __attribute__ ((unused)), |
| 57 | char** argv __attribute__ ((unused))) |
| 58 | { |
| 59 | lib1 (); |
| 60 | return 0; |
| 61 | } |