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      1 // weak_alias_test_5.cc -- test versioned weak aliases for gold
      2 
      3 // Copyright (C) 2011-2014 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