gnu/dist/gdb6/gdb/reggroups.h

   1 /* Register groupings for GDB, the GNU debugger.
   2
   3    Copyright (C) 2002 Free Software Foundation, Inc.
   4
   5    Contributed by Red Hat.
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22    Boston, MA 02110-1301, USA.  */
  23
  24 #ifndef REGGROUPS_H
  25 #define REGGROUPS_H
  26
  27 struct gdbarch;
  28 struct reggroup;
  29
  30 enum reggroup_type { USER_REGGROUP, INTERNAL_REGGROUP };
  31
  32 /* Pre-defined, user visible, register groups.  */
  33 extern struct reggroup *const general_reggroup;
  34 extern struct reggroup *const float_reggroup;
  35 extern struct reggroup *const system_reggroup;
  36 extern struct reggroup *const vector_reggroup;
  37 extern struct reggroup *const all_reggroup;
  38
  39 /* Pre-defined, internal, register groups.  */
  40 extern struct reggroup *const save_reggroup;
  41 extern struct reggroup *const restore_reggroup;
  42
  43 /* Create a new local register group.  */
  44 extern struct reggroup *reggroup_new (const char *name,
  45                                       enum reggroup_type type);
  46
  47 /* Add a register group (with attribute values) to the pre-defined list.  */
  48 extern void reggroup_add (struct gdbarch *gdbarch, struct reggroup *group);
  49
  50 /* Register group attributes.  */
  51 extern const char *reggroup_name (struct reggroup *reggroup);
  52 extern enum reggroup_type reggroup_type (struct reggroup *reggroup);
  53
  54 /* Interator for the architecture's register groups.  Pass in NULL,
  55    returns the first group.  Pass in a group, returns the next group,
  56    or NULL when the last group is reached.  */
  57 extern struct reggroup *reggroup_next (struct gdbarch *gdbarch,
  58                                        struct reggroup *last);
  59
  60 /* Is REGNUM a member of REGGROUP?  */
  61 extern int default_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
  62                                         struct reggroup *reggroup);
  63
  64 #endif