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