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/* common_test_1_v2.c -- test common symbol sorting
Copyright (C) 2008-2019 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.
This is a test of a common symbol in the main program and a
versioned symbol in a shared library. The common symbol in the
main program should override the shared library symbol. */
#include <assert.h>
/* Common symbols should be sorted by size, largest first, and then by
alignment, largest first. We mix up the names, because gas seems
to sort common symbols roughly by name. */
int c9[90];
int c8[80];
int c7[70];
int c6[60];
int c5[10];
int c4[20];
int c3[30];
int c2[40];
int c1[50];
int a1 __attribute__ ((aligned (1 << 9)));
int a2 __attribute__ ((aligned (1 << 8)));
int a3 __attribute__ ((aligned (1 << 7)));
int a4 __attribute__ ((aligned (1 << 6)));
int a5 __attribute__ ((aligned (1 << 1)));
int a6 __attribute__ ((aligned (1 << 2)));
int a7 __attribute__ ((aligned (1 << 3)));
int a8 __attribute__ ((aligned (1 << 4)));
int a9 __attribute__ ((aligned (1 << 5)));
int
main (int argc __attribute__ ((unused)), char** argv __attribute__ ((unused)))
{
// After an incremental update, all guarantees about ordering
// are null.
assert (c5 != c4);
assert (c4 != c3);
assert (c3 != c2);
assert (c2 != c1);
assert (c1 != c6);
assert (c6 != c7);
assert (c7 != c8);
assert (c8 != c9);
assert (&a1 != &a2);
assert (&a2 != &a3);
assert (&a3 != &a4);
assert (&a4 != &a9);
assert (&a9 != &a8);
assert (&a8 != &a7);
assert (&a7 != &a6);
assert (&a6 != &a5);
return 0;
}
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