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 3 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, see <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef GREGSET_H
  20 #define GREGSET_H
  21
  22 #ifndef GDB_GREGSET_T
  23 #define GDB_GREGSET_T gregset_t
  24 #endif
  25
  26 #ifndef GDB_FPREGSET_T
  27 #define GDB_FPREGSET_T fpregset_t
  28 #endif
  29
  30 typedef GDB_GREGSET_T gdb_gregset_t;
  31 typedef GDB_FPREGSET_T gdb_fpregset_t;
  32
  33 struct regcache;
  34
  35 /* A gregset is a data structure supplied by the native OS containing
  36    the general register values of the debugged process.  Usually this
  37    includes integer registers and control registers.  An fpregset is a
  38    data structure containing the floating point registers.  These data
  39    structures were originally a part of the /proc interface, but have
  40    been borrowed or copied by other GDB targets, eg. GNU/Linux.  */
  41
  42 /* Copy register values from the native target gregset/fpregset
  43    into GDB's internal register cache.  */
  44
  45 extern void supply_gregset (struct regcache *regcache,
  46                             const gdb_gregset_t *gregs);
  47 extern void supply_fpregset (struct regcache *regcache,
  48                              const gdb_fpregset_t *fpregs);
  49
  50 /* Copy register values from GDB's register cache into
  51    the native target gregset/fpregset.  If regno is -1,
  52    copy all the registers.  */
  53
  54 extern void fill_gregset (const struct regcache *regcache,
  55                           gdb_gregset_t *gregs, int regno);
  56 extern void fill_fpregset (const struct regcache *regcache,
  57                            gdb_fpregset_t *fpregs, int regno);
  58
  59 #ifdef FILL_FPXREGSET
  60 /* GNU/Linux i386: Copy register values between GDB's internal register cache
  61    and the i386 extended floating point registers.  */
  62
  63 #ifndef GDB_FPXREGSET_T
  64 #define GDB_FPXREGSET_T elf_fpxregset_t
  65 #endif
  66
  67 typedef GDB_FPXREGSET_T gdb_fpxregset_t;
  68
  69 extern void supply_fpxregset (struct regcache *regcache,
  70                               const gdb_fpxregset_t *fpxregs);
  71 extern void fill_fpxregset (const struct regcache *regcache,
  72                             gdb_fpxregset_t *fpxregs, int regno);
  73 #endif
  74
  75 #endif