gdb/gregset.h

   1 /* Interface for functions using gregset and fpregset types.
   2    Copyright (C) 2000, 2002, 2007 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19    Boston, MA 02110-1301, USA.  */
  20
  21 #ifndef GREGSET_H
  22 #define GREGSET_H
  23
  24 #ifndef GDB_GREGSET_T
  25 #define GDB_GREGSET_T gregset_t
  26 #endif
  27
  28 #ifndef GDB_FPREGSET_T
  29 #define GDB_FPREGSET_T fpregset_t
  30 #endif
  31
  32 typedef GDB_GREGSET_T gdb_gregset_t;
  33 typedef GDB_FPREGSET_T gdb_fpregset_t;
  34
  35 struct regcache;
  36
  37 /* A gregset is a data structure supplied by the native OS containing
  38    the general register values of the debugged process.  Usually this
  39    includes integer registers and control registers.  An fpregset is a
  40    data structure containing the floating point registers.  These data
  41    structures were originally a part of the /proc interface, but have
  42    been borrowed or copied by other GDB targets, eg. GNU/Linux.  */
  43
  44 /* Copy register values from the native target gregset/fpregset
  45    into GDB's internal register cache.  */
  46
  47 extern void supply_gregset (struct regcache *regcache,
  48                             const gdb_gregset_t *gregs);
  49 extern void supply_fpregset (struct regcache *regcache,
  50                              const gdb_fpregset_t *fpregs);
  51
  52 /* Copy register values from GDB's register cache into
  53    the native target gregset/fpregset.  If regno is -1,
  54    copy all the registers.  */
  55
  56 extern void fill_gregset (const struct regcache *regcache,
  57                           gdb_gregset_t *gregs, int regno);
  58 extern void fill_fpregset (const struct regcache *regcache,
  59                            gdb_fpregset_t *fpregs, int regno);
  60
  61 #ifdef FILL_FPXREGSET
  62 /* GNU/Linux i386: Copy register values between GDB's internal register cache
  63    and the i386 extended floating point registers.  */
  64
  65 #ifndef GDB_FPXREGSET_T
  66 #define GDB_FPXREGSET_T elf_fpxregset_t
  67 #endif
  68
  69 typedef GDB_FPXREGSET_T gdb_fpxregset_t;
  70
  71 extern void supply_fpxregset (struct regcache *regcache,
  72                               const gdb_fpxregset_t *fpxregs);
  73 extern void fill_fpxregset (const struct regcache *regcache,
  74                             gdb_fpxregset_t *fpxregs, int regno);
  75 #endif
  76
  77 #endif