| 1 | // copy_test_v1.cc -- test copy relocs for gold |
| 2 | |
| 3 | // Copyright (C) 2008-2019 Free Software Foundation, Inc. |
| 4 | // Written by Ian Lance Taylor <iant@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 | // This source file is used for testing the --incremental option. |
| 24 | // The object built from this source will be incrementally updated |
| 25 | // with the correct object built from copy_test.cc. |
| 26 | |
| 27 | #include <cassert> |
| 28 | #include <stdint.h> |
| 29 | |
| 30 | // Misalign the BSS section. |
| 31 | static char c; |
| 32 | |
| 33 | // From copy_test_1.cc. |
| 34 | extern char b; |
| 35 | |
| 36 | // From copy_test_2.cc. |
| 37 | extern long long l; |
| 38 | extern int ip; // protected visibility; may not be copied |
| 39 | |
| 40 | int* ipp = &ip; |
| 41 | |
| 42 | int |
| 43 | main() |
| 44 | { |
| 45 | assert(c == 0); |
| 46 | assert(b == 1); |
| 47 | assert(l == 3); // Deliberately incorrect. |
| 48 | assert((reinterpret_cast<uintptr_t>(&l) & 0x7) == 0); |
| 49 | assert(*ipp == 3); |
| 50 | return 0; |
| 51 | } |