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- // script_test_2.cc -- linker script test 2 for gold -*- C++ -*-
- // Copyright (C) 2008-2022 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[] __attribute__((__aligned__(1)));
- extern char start_test_area_1[] __attribute__((__aligned__(1)));
- extern char start_data[] __attribute__((__aligned__(1)));
- extern char end_data[] __attribute__((__aligned__(1)));
- extern char start_fill[] __attribute__((__aligned__(1)));
- extern char end_fill[] __attribute__((__aligned__(1)));
- extern char end_test_area[] __attribute__((__aligned__(1)));
- extern char test_addr[] __attribute__((__aligned__(1)));
- extern char test_addr_alias[] __attribute__((__aligned__(1)));
- int
- main(int, char**)
- {
- assert(reinterpret_cast<uintptr_t>(start_test_area) == 0x20000001);
- assert(reinterpret_cast<uintptr_t>(start_test_area_1) == 0x20000020);
- assert(strcmp(start_test_area_1, "test bb") == 0);
- // Next the string from script_test_2a.o, after the subalign.
- for (int i = 7; i < 32; ++i)
- assert(start_test_area_1[i] == 0);
- assert(strcmp(start_test_area_1 + 32, "test aa") == 0);
- // Skip to start_data at relative offset 60.
- for (int i = 32 + 7; i < 60; ++i)
- assert(start_test_area_1[i] == 0);
- assert(reinterpret_cast<uintptr_t>(start_test_area_1 + 60)
- == 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[0] == &end_data[0]);
- assert(memcmp(start_fill, "\x12\x34\x56\x78\x12\x34\x56\0", 8) == 0);
- assert(end_fill == start_fill + 8);
- assert(&end_test_area[0] == &end_fill[0]);
- assert(&test_addr[0] == &start_test_area_1[0]);
- assert(&test_addr_alias[0] == &test_addr[0]);
- }
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