1 // weak_alias_test_5.cc -- test versioned weak aliases for gold 2 3 // Copyright (C) 2011-2016 Free Software Foundation, Inc. 4 // Written by Ian Lance Taylor <iant (at) 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 } 40
