gdb/gregset.h

   1 /* Interface for functions using gregset and fpregset types.
   2    Copyright (C) 2000, 2002, 2007, 2008, 2009, 2010
   3    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 GREGSET_H
  21 #define GREGSET_H
  22
  23 #ifndef GDB_GREGSET_T
  24 #define GDB_GREGSET_T gregset_t
  25 #endif
  26
  27 #ifndef GDB_FPREGSET_T
  28 #define GDB_FPREGSET_T fpregset_t
  29 #endif
  30
  31 typedef GDB_GREGSET_T gdb_gregset_t;
  32 typedef GDB_FPREGSET_T gdb_fpregset_t;
  33
  34 struct regcache;
  35
  36 /* A gregset is a data structure supplied by the native OS containing
  37    the general register values of the debugged process.  Usually this
  38    includes integer registers and control registers.  An fpregset is a
  39    data structure containing the floating point registers.  These data
  40    structures were originally a part of the /proc interface, but have
  41    been borrowed or copied by other GDB targets, eg. GNU/Linux.  */
  42
  43 /* Copy register values from the native target gregset/fpregset
  44    into GDB's internal register cache.  */
  45
  46 extern void supply_gregset (struct regcache *regcache,
  47                             const gdb_gregset_t *gregs);
  48 extern void supply_fpregset (struct regcache *regcache,
  49                              const gdb_fpregset_t *fpregs);
  50
  51 /* Copy register values from GDB's register cache into
  52    the native target gregset/fpregset.  If regno is -1,
  53    copy all the registers.  */
  54
  55 extern void fill_gregset (const struct regcache *regcache,
  56                           gdb_gregset_t *gregs, int regno);
  57 extern void fill_fpregset (const struct regcache *regcache,
  58                            gdb_fpregset_t *fpregs, int regno);
  59
  60 #endif