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Diffstat (limited to 'i386/util/anno.c')
-rw-r--r-- | i386/util/anno.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/i386/util/anno.c b/i386/util/anno.c new file mode 100644 index 0000000..0137fe8 --- /dev/null +++ b/i386/util/anno.c @@ -0,0 +1,92 @@ +/* + * Copyright (c) 1995 The University of Utah and + * the Computer Systems Laboratory at the University of Utah (CSL). + * All rights reserved. + * + * Permission to use, copy, modify and distribute this software is hereby + * granted provided that (1) source code retains these copyright, permission, + * and disclaimer notices, and (2) redistributions including binaries + * reproduce the notices in supporting documentation, and (3) all advertising + * materials mentioning features or use of this software display the following + * acknowledgement: ``This product includes software developed by the + * Computer Systems Laboratory at the University of Utah.'' + * + * THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS + * IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF + * ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * CSL requests users of this software to return to csl-dist@cs.utah.edu any + * improvements that they make and grant CSL redistribution rights. + * + * Author: Bryan Ford, University of Utah CSL + */ + +#include "anno.h" +#include "debug.h" + +#ifdef ENABLE_ANNO + +void anno_init() +{ + extern struct anno_entry __ANNO_START__[], __ANNO_END__[]; + struct anno_entry *base; + + /* Sort the tables using a slow, simple selection sort; + it only needs to be done once. */ + for (base = __ANNO_START__; base < __ANNO_END__; base++) + { + struct anno_entry *cur, *low, tmp; + + /* Select the lowermost remaining entry, + and swap it into the base slot. + Sort by table first, then by val1, val2, val3. */ + low = base; + for (cur = base+1; cur < __ANNO_END__; cur++) + if ((cur->table < low->table) + || ((cur->table == low->table) + && ((cur->val1 < low->val1) + || ((cur->val1 == low->val1) + && ((cur->val2 < low->val2) + || ((cur->val2 == low->val2) + && (cur->val3 < low->val3))))))) + low = cur; + tmp = *base; + *base = *low; + *low = tmp; + } + + /* Initialize each anno_table structure with entries in the array. */ + for (base = __ANNO_START__; base < __ANNO_END__; ) + { + struct anno_entry *end; + + for (end = base; + (end < __ANNO_END__) && (end->table == base->table); + end++); + base->table->start = base; + base->table->end = end; + + base = end; + } + +#if 0 /* debugging code */ + { + struct anno_table *t = 0; + + for (base = __ANNO_START__; base < __ANNO_END__; base++) + { + if (t != base->table) + { + t = base->table; + printf("table %08x: %08x-%08x (%d entries)\n", + t, t->start, t->end, t->end - t->start); + assert(t->start == base); + } + printf(" vals %08x %08x %08x\n", + base->table, base->val1, base->val2, base->val3); + } + } +#endif +} + +#endif ENABLE_ANNO |