// protected_1.cc -- a test case for gold // Copyright (C) 2008-2021 Free Software Foundation, Inc. // Written by Ian Lance Taylor . // 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 function f1 is protected, which means that other callers in the // same shared library will call this version. int f1() __attribute__ ((__visibility__ ("protected"))); int f1() { return 1; } // The function f2 is used to test that the executable can see the // same function address for a protected function in the executable // and in the shared library. We can't use the visibility attribute // here, becaues that may cause gcc to generate a PC relative reloc; // we need it to get the value from the GOT. I'm not sure this is // really useful, given that it doesn't work with the visibility // attribute. This test exists here mainly because the glibc // testsuite has the same test, and we want to make sure that gold // passes the glibc testsuite. extern "C" int f2(); asm(".protected f2"); extern "C" int f2() { return 2; } int (*get_f2_addr())() { return f2; }