1/* common_test_1.c -- test common symbol sorting
2
3   Copyright (C) 2008-2017 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 is a test of a common symbol in the main program and a
24   versioned symbol in a shared library.  The common symbol in the
25   main program should override the shared library symbol.  */
26
27#include <assert.h>
28
29/* Common symbols should be sorted by size, largest first, and then by
30   alignment, largest first.  We mix up the names, because gas seems
31   to sort common symbols roughly by name.  */
32
33int c9[90];
34int c8[80];
35int c7[70];
36int c6[60];
37int c5[10];
38int c4[20];
39int c3[30];
40int c2[40];
41int c1[50];
42
43int a1 __attribute__ ((aligned (1 << 9)));
44int a2 __attribute__ ((aligned (1 << 8)));
45int a3 __attribute__ ((aligned (1 << 7)));
46int a4 __attribute__ ((aligned (1 << 6)));
47int a5 __attribute__ ((aligned (1 << 1)));
48int a6 __attribute__ ((aligned (1 << 2)));
49int a7 __attribute__ ((aligned (1 << 3)));
50int a8 __attribute__ ((aligned (1 << 4)));
51int a9 __attribute__ ((aligned (1 << 5)));
52
53int
54main (int argc __attribute__ ((unused)), char** argv __attribute__ ((unused)))
55{
56  assert (c5 > c4);
57  assert (c4 > c3);
58  assert (c3 > c2);
59  assert (c2 > c1);
60  assert (c1 > c6);
61  assert (c6 > c7);
62  assert (c7 > c8);
63  assert (c8 > c9);
64
65  assert (&a1 < &a2);
66  assert (&a2 < &a3);
67  assert (&a3 < &a4);
68  assert (&a4 < &a9);
69  assert (&a9 < &a8);
70  assert (&a8 < &a7);
71  assert (&a7 < &a6);
72  assert (&a6 < &a5);
73
74  return 0;
75}
76