| // script_test_2.cc -- linker script test 2 for gold -*- C++ -*- |
| |
| // Copyright 2008 Free Software Foundation, Inc. |
| // Written by Ian Lance Taylor <iant@google.com>. |
| |
| // 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. |
| |
| // A test of some uses of the SECTIONS clause. Look at |
| // script_test_2.t to make sense of this test. |
| |
| #include <cassert> |
| #include <cstddef> |
| #include <cstring> |
| #include <stdint.h> |
| |
| extern char start_test_area[]; |
| extern char start_test_area_1[]; |
| extern char start_data[]; |
| extern char end_data[]; |
| extern char start_fill[]; |
| extern char end_fill[]; |
| extern char end_test_area[]; |
| extern char test_addr[]; |
| extern char test_addr_alias[]; |
| |
| int |
| main(int, char**) |
| { |
| assert(reinterpret_cast<uintptr_t>(start_test_area) == 0x20000001); |
| assert(reinterpret_cast<uintptr_t>(start_test_area_1) == 0x20000010); |
| |
| // We should see the string from script_test_2b.o next. The |
| // subalign should move it up to 0x20000020. |
| for (int i = 0; i < 16; ++i) |
| assert(start_test_area_1[i] == 0); |
| assert(strcmp(start_test_area_1 + 16, "test bb") == 0); |
| |
| // Next the string from script_test_2a.o, after the subalign. |
| for (int i = 16 + 7; i < 48; ++i) |
| assert(start_test_area_1[i] == 0); |
| assert(strcmp(start_test_area_1 + 48, "test aa") == 0); |
| |
| // Move four bytes forward to start_data. |
| assert(reinterpret_cast<uintptr_t>(start_test_area_1 + 48 + 8 + 4) |
| == reinterpret_cast<uintptr_t>(start_data)); |
| assert(memcmp(start_data, "\1\2\0\4\0\0\0\010\0\0\0\0\0\0\0", 15) == 0 |
| || memcmp(start_data, "\1\0\2\0\0\0\4\0\0\0\0\0\0\0\010", 15) == 0); |
| assert(end_data == start_data + 15); |
| |
| // Check that FILL works as expected. |
| assert(start_fill == end_data); |
| assert(memcmp(start_fill, "\x12\x34\x56\x78\x12\x34\x56\0", 8) == 0); |
| assert(end_fill == start_fill + 8); |
| |
| assert(end_test_area == end_fill); |
| |
| assert(test_addr == start_test_area_1); |
| assert(test_addr_alias == test_addr); |
| } |