binutils-gdb/gdb/bcache.h

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 */