// icf_safe_so_test.cc -- a test case for gold // Copyright (C) 2010-2014 Free Software Foundation, Inc. // Written by Sriraman Tallam . // This file is part of gold. // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 3 of the License, or // (at your option) any later version. // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, // MA 02110-1301, USA. // The goal of this program is to verify if identical code folding // in safe mode correctly folds functions in a shared object. The // foo_* functions below should not be folded on X86_64. // For 32-bit X86, the hidden protected and internal symbols can be folded. // foo_glob and bar_glob should not be folded, because function pointer // of foo_glob is taken. int __attribute__ ((visibility ("protected"))) foo_prot() { return 1; } int __attribute__ ((visibility ("hidden"))) foo_hidden() { return 1; } int __attribute__ ((visibility ("internal"))) foo_internal() { return 1; } static int foo_static() { return 1; } int foo_glob() { return 2; } int bar_glob() { return 2; } int main() { int (*p)() = foo_glob; (void)p; foo_static(); foo_prot(); foo_hidden(); foo_internal(); return 0; }