gdb/regset.h

   1 /* Manage register sets.
   2
   3    Copyright (C) 2003-2020 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   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 3 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
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef REGSET_H
  21 #define REGSET_H 1
  22
  23 struct gdbarch;
  24 struct regcache;
  25
  26 /* Data structure describing a register set.  */
  27
  28 typedef void (supply_regset_ftype) (const struct regset *, struct regcache *,
  29                                     int, const void *, size_t);
  30 typedef void (collect_regset_ftype) (const struct regset *,
  31                                      const struct regcache *,
  32                                      int, void *, size_t);
  33
  34 struct regset
  35 {
  36   /* Pointer to a "register map", for private use by the methods
  37      below.  Typically describes how the regset's registers are
  38      arranged in the buffer collected to or supplied from.  */
  39   const void *regmap;
  40
  41   /* Function supplying values in a register set to a register cache.  */
  42   supply_regset_ftype *supply_regset;
  43
  44   /* Function collecting values in a register set from a register cache.  */
  45   collect_regset_ftype *collect_regset;
  46
  47   unsigned flags;
  48 };
  49
  50 /* Values for a regset's 'flags' field.  */
  51
  52 #define REGSET_VARIABLE_SIZE 1  /* Accept a larger regset section size
  53                                    in a core file without warning.  */
  54
  55 #endif /* regset.h */