1 // weak_alias_test_1.cc -- test weak aliases for gold 2 3 // Copyright (C) 2008-2016 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 weak symbol. 24 25 extern int weak_symbol __attribute__ ((weak)); 26 int weak_symbol = 1; 27 28 // Define a strong symbol with a weak alias. 29 30 int strong_aliased = 2; 31 extern int weak_aliased __attribute__ ((weak, alias ("strong_aliased"))); 32 33 // And another one. 34 35 int strong_aliased_2 = 5; 36 extern int weak_aliased_2 __attribute__ ((weak, alias ("strong_aliased_2"))); 37 38 // And a third. 39 40 int strong_aliased_3 = 7; 41 extern int weak_aliased_3 __attribute__ ((weak, alias ("strong_aliased_3"))); 42 43 // And a fourth. 44 45 int strong_aliased_4 = 8; 46 extern int weak_aliased_4 __attribute__ ((weak, alias ("strong_aliased_4"))); 47 48 // We want a symbol whose name is the same length as "strong_symbol", 49 // so that weak_symbol here lines up with weak_symbol in 50 // weak_alias_test_2.so. 51 52 int Strong_Symbol = 101; 53
