1// weak_alias_test_5.cc -- test versioned weak aliases for gold 2 3// Copyright (C) 2011-2017 Free Software Foundation, Inc. 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. 24int 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. 28extern int versioned_alias __attribute__ ((weak, alias("versioned_symbol"))); 29__asm__(".symver versioned_alias,versioned_alias@@VER2"); 30 31bool 32t2() 33{ 34 if (versioned_symbol != 1) 35 return false; 36 if (versioned_alias != 1) 37 return false; 38 return true; 39} 40