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60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/* hash.h - for hash.c
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Copyright (C) 1987 Free Software Foundation, Inc.
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This file is part of GAS, the GNU Assembler.
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GAS 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 2, or (at your option)
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any later version.
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GAS 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 GAS; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef hashH
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#define hashH
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struct hash_entry
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{
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char * hash_string; /* points to where the symbol string is */
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/* NULL means slot is not used */
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/* DELETED means slot was deleted */
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char * hash_value; /* user's datum, associated with symbol */
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};
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#define HASH_STATLENGTH (6)
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struct hash_control
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{
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struct hash_entry * hash_where; /* address of hash table */
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int hash_sizelog; /* Log of ( hash_mask + 1 ) */
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int hash_mask; /* masks a hash into index into table */
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int hash_full; /* when hash_stat[STAT_USED] exceeds this, */
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/* grow table */
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struct hash_entry * hash_wall; /* point just after last (usable) entry */
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/* here we have some statistics */
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int hash_stat[HASH_STATLENGTH]; /* lies & statistics */
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/* we need STAT_USED & STAT_SIZE */
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};
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/* returns */
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struct hash_control * hash_new(); /* [control block] */
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void hash_die();
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void hash_say();
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char * hash_delete(); /* previous value */
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char * hash_relpace(); /* previous value */
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char * hash_insert(); /* error string */
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char * hash_apply(); /* 0 means OK */
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char * hash_find(); /* value */
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char * hash_jam(); /* error text (internal) */
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#endif /* #ifdef hashH */
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/* end of hash.c */
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