1 // script_test_2.cc -- linker script test 2 for gold -*- C++ -*-
3 // Copyright 2008 Free Software Foundation, Inc.
4 // Written by Ian Lance Taylor <iant@google.com>.
6 // This file is part of gold.
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.
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.
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.
23 // A test of some uses of the SECTIONS clause. Look at
24 // script_test_2.t to make sense of this test.
31 extern char start_test_area
[];
32 extern char start_test_area_1
[];
33 extern char start_data
[];
34 extern char end_data
[];
35 extern char start_fill
[];
36 extern char end_fill
[];
37 extern char end_test_area
[];
38 extern char test_addr
[];
39 extern char test_addr_alias
[];
44 assert(reinterpret_cast<uintptr_t>(start_test_area
) == 0x20000001);
45 assert(reinterpret_cast<uintptr_t>(start_test_area_1
) == 0x20000010);
47 // We should see the string from script_test_2b.o next. The
48 // subalign should move it up to 0x20000020.
49 for (int i
= 0; i
< 16; ++i
)
50 assert(start_test_area_1
[i
] == 0);
51 assert(strcmp(start_test_area_1
+ 16, "test bb") == 0);
53 // Next the string from script_test_2a.o, after the subalign.
54 for (int i
= 16 + 7; i
< 48; ++i
)
55 assert(start_test_area_1
[i
] == 0);
56 assert(strcmp(start_test_area_1
+ 48, "test aa") == 0);
58 // Move four bytes forward to start_data.
59 assert(reinterpret_cast<uintptr_t>(start_test_area_1
+ 48 + 8 + 4)
60 == reinterpret_cast<uintptr_t>(start_data
));
61 assert(memcmp(start_data
, "\1\2\0\4\0\0\0\010\0\0\0\0\0\0\0", 15) == 0
62 || memcmp(start_data
, "\1\0\2\0\0\0\4\0\0\0\0\0\0\0\010", 15) == 0);
63 assert(end_data
== start_data
+ 15);
65 // Check that FILL works as expected.
66 assert(start_fill
== end_data
);
67 assert(memcmp(start_fill
, "\x12\x34\x56\x78\x12\x34\x56\0", 8) == 0);
68 assert(end_fill
== start_fill
+ 8);
70 assert(end_test_area
== end_fill
);
72 assert(test_addr
== start_test_area_1
);
73 assert(test_addr_alias
== test_addr
);
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