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73 lines
2.7 KiB
C++
73 lines
2.7 KiB
C++
// script_test_2.cc -- linker script test 2 for gold -*- C++ -*-
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// Copyright (C) 2008-2017 Free Software Foundation, Inc.
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// Written by Ian Lance Taylor <iant@google.com>.
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// This file is part of gold.
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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// MA 02110-1301, USA.
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// A test of some uses of the SECTIONS clause. Look at
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// script_test_2.t to make sense of this test.
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#include <cassert>
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#include <cstddef>
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#include <cstring>
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#include <stdint.h>
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extern char start_test_area[] __attribute__((__aligned__(1)));
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extern char start_test_area_1[] __attribute__((__aligned__(1)));
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extern char start_data[] __attribute__((__aligned__(1)));
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extern char end_data[] __attribute__((__aligned__(1)));
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extern char start_fill[] __attribute__((__aligned__(1)));
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extern char end_fill[] __attribute__((__aligned__(1)));
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extern char end_test_area[] __attribute__((__aligned__(1)));
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extern char test_addr[] __attribute__((__aligned__(1)));
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extern char test_addr_alias[] __attribute__((__aligned__(1)));
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int
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main(int, char**)
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{
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assert(reinterpret_cast<uintptr_t>(start_test_area) == 0x20000001);
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assert(reinterpret_cast<uintptr_t>(start_test_area_1) == 0x20000020);
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assert(strcmp(start_test_area_1, "test bb") == 0);
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// Next the string from script_test_2a.o, after the subalign.
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for (int i = 7; i < 32; ++i)
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assert(start_test_area_1[i] == 0);
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assert(strcmp(start_test_area_1 + 32, "test aa") == 0);
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// Skip to start_data at relative offset 60.
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for (int i = 32 + 7; i < 60; ++i)
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assert(start_test_area_1[i] == 0);
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assert(reinterpret_cast<uintptr_t>(start_test_area_1 + 60)
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== reinterpret_cast<uintptr_t>(start_data));
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assert(memcmp(start_data, "\1\2\0\4\0\0\0\010\0\0\0\0\0\0\0", 15) == 0
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|| memcmp(start_data, "\1\0\2\0\0\0\4\0\0\0\0\0\0\0\010", 15) == 0);
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assert(end_data == start_data + 15);
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// Check that FILL works as expected.
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assert(start_fill == end_data);
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assert(memcmp(start_fill, "\x12\x34\x56\x78\x12\x34\x56\0", 8) == 0);
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assert(end_fill == start_fill + 8);
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assert(end_test_area == end_fill);
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assert(test_addr == start_test_area_1);
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assert(test_addr_alias == test_addr);
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}
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