1 // dyn_weak_ref_1.c -- test that a weak ref remains weak in output when
2 // there is a DSO with the same weak ref.
3 
4 // Copyright (C) 2010-2016 Free Software Foundation, Inc.
5 // Written by Doug Kwan <dougkwan@google.com>.
6 
7 // This file is part of gold.
8 
9 // This program is free software; you can redistribute it and/or modify
10 // it under the terms of the GNU General Public License as published by
11 // the Free Software Foundation; either version 3 of the License, or
12 // (at your option) any later version.
13 
14 // This program is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 // GNU General Public License for more details.
18 
19 // You should have received a copy of the GNU General Public License
20 // along with this program; if not, write to the Free Software
21 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22 // MA 02110-1301, USA.
23 
24 // We test that we correctly deal with a weak reference to from both
25 // a DSO and a weak reference to the same symbol in an executable.  The
26 // symbol should remains weak.
27 
28 // This source is used to build a DSO that contains a weak reference.
29 
30 extern void weak_ref (void) __attribute__((weak));
31 
32 void* ptr2 = weak_ref;
33