include/opcode/cgen-bitset.h

   1 /* Header file the type CGEN_BITSET.
   2
   3 Copyright 2002, 2005 Free Software Foundation, Inc.
   4
   5 This file is part of GDB, the GNU debugger, and the GNU Binutils.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License along
  18 with this program; if not, write to the Free Software Foundation, Inc.,
  19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20 #ifndef CGEN_BITSET_H
  21 #define CGEN_BITSET_H
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 /* A bitmask represented as a string.
  28    Each member of the set is represented as a bit
  29    in the string. Bytes are indexed from left to right in the string and
  30    bits from most significant to least within each byte.
  31
  32    For example, the bit representing member number 6 is (set->bits[0] & 0x02).
  33 */
  34 typedef struct cgen_bitset
  35 {
  36   unsigned length;
  37   char *bits;
  38 } CGEN_BITSET;
  39
  40 extern CGEN_BITSET *cgen_bitset_create PARAMS ((unsigned));
  41 extern void cgen_bitset_init PARAMS ((CGEN_BITSET *, unsigned));
  42 extern void cgen_bitset_clear PARAMS ((CGEN_BITSET *));
  43 extern void cgen_bitset_add PARAMS ((CGEN_BITSET *, unsigned));
  44 extern void cgen_bitset_set PARAMS ((CGEN_BITSET *, unsigned));
  45 extern int cgen_bitset_compare PARAMS ((CGEN_BITSET *, CGEN_BITSET *));
  46 extern void cgen_bitset_union PARAMS ((CGEN_BITSET *, CGEN_BITSET *, CGEN_BITSET *));
  47 extern int cgen_bitset_intersect_p PARAMS ((CGEN_BITSET *, CGEN_BITSET *));
  48 extern int cgen_bitset_contains PARAMS ((CGEN_BITSET *, unsigned));
  49 extern CGEN_BITSET *cgen_bitset_copy PARAMS ((CGEN_BITSET *));
  50
  51 #ifdef __cplusplus
  52 } // extern "C"
  53 #endif
  54
  55 #endif