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21131061 ILT |
1 | // weak_alias_test_5.cc -- test versioned weak aliases for gold |
2 | ||
b3adc24a | 3 | // Copyright (C) 2011-2020 Free Software Foundation, Inc. |
21131061 ILT |
4 | // Written by Ian Lance Taylor <iant@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 | // Define a versioned symbol. | |
24 | int versioned_symbol = 1; | |
25 | __asm__(".symver versioned_symbol,versioned_symbol@@VER1"); | |
26 | ||
27 | // Define a weak alias for the versioned symbol, with a different version. | |
28 | extern int versioned_alias __attribute__ ((weak, alias("versioned_symbol"))); | |
29 | __asm__(".symver versioned_alias,versioned_alias@@VER2"); | |
30 | ||
31 | bool | |
32 | t2() | |
33 | { | |
34 | if (versioned_symbol != 1) | |
35 | return false; | |
36 | if (versioned_alias != 1) | |
37 | return false; | |
38 | return true; | |
39 | } |