47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
|
/* Include file cached obstack implementation.
|
||
|
|
Written by Fred Fish (fnf@cygnus.com)
|
||
|
|
Copyright 1995 Free Software Foundation, Inc.
|
||
|
|
|
||
|
|
This file is part of GDB.
|
||
|
|
|
||
|
|
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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||
|
|
|
||
|
|
#ifndef BCACHE_H
|
||
|
|
#define BCACHE_H 1
|
||
|
|
|
||
|
|
#define BCACHE_HASHLENGTH 12 /* Number of bits in hash value */
|
||
|
|
#define BCACHE_HASHSIZE (1 << BCACHE_HASHLENGTH)
|
||
|
|
#define BCACHE_MAXLENGTH 128
|
||
|
|
|
||
|
|
struct hashlink {
|
||
|
|
struct hashlink *next;
|
||
|
|
char data[1];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct bcache {
|
||
|
|
struct obstack cache;
|
||
|
|
struct hashlink **indextable[BCACHE_MAXLENGTH];
|
||
|
|
int cache_hits;
|
||
|
|
int cache_misses;
|
||
|
|
int cache_bytes;
|
||
|
|
int cache_savings;
|
||
|
|
int bcache_overflows;
|
||
|
|
};
|
||
|
|
|
||
|
|
extern void *
|
||
|
|
bcache PARAMS ((void *bytes, int count, struct bcache *bcachep));
|
||
|
|
|
||
|
|
#endif /* BCACHE_H */
|