1 // gc_orphan_section_test.cc -- a test case for gold 2 3 // Copyright (C) 2010-2016 Free Software Foundation, Inc. 4 // Written by Sriraman Tallam <tmsriram (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 // The goal of this program is to verify if garbage collection does not 24 // discard orphan sections when references to them through __start_XXX 25 // and __stop_XXX are present. Here section _foo must not be gc'ed but 26 // _boo should be gc'ed. 27 28 extern const int *__start__foo; 29 int foo __attribute__((__section__("_foo"))) = 1; 30 int boo __attribute__((__section__("_boo"))) = 1; 31 32 int main() 33 { 34 return *__start__foo; 35 } 36 37
