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1 /* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
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2
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3 This file is part of GCC.
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4
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5 GCC is free software; you can redistribute it and/or modify it under
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6 the terms of the GNU General Public License as published by the Free
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7 Software Foundation; either version 3, or (at your option) any later
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8 version.
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9
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10 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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11 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 for more details.
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14
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15 Under Section 7 of GPL version 3, you are granted additional
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16 permissions described in the GCC Runtime Library Exception, version
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17 3.1, as published by the Free Software Foundation.
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18
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19 You should have received a copy of the GNU General Public License and
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20 a copy of the GCC Runtime Library Exception along with this program;
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21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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22 <http://www.gnu.org/licenses/>. */
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23
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24 /* The free tag table used by the MFC tag manager, with tag0
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25 reserved for the overlay manager. */
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26 __vector unsigned int
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27 __mfc_tag_table = (__vector unsigned int) { 0x7FFFFFFF, -1, -1, -1 };
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28
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29 /* Arrange to release tag0 if overlays are not present. */
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30 static void __mfc_tag_init (void) __attribute__ ((constructor));
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31
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32 static void
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33 __mfc_tag_init (void)
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34 {
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35 extern void _ovly_table __attribute__ ((weak));
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36
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37 if (&_ovly_table == 0)
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38 __mfc_tag_table = (__vector unsigned int) { -1, -1, -1, -1 };
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39 }
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