xref: /dragonfly/contrib/gdb-7/gdb/gregset.h (revision a4da4a90)
1 /* Interface for functions using gregset and fpregset types.
2    Copyright (C) 2000-2013 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 #ifdef HAVE_SYS_PROCFS_H
23 #include <sys/procfs.h>
24 #endif
25 
26 #ifndef GDB_GREGSET_T
27 #define GDB_GREGSET_T gregset_t
28 #endif
29 
30 #ifndef GDB_FPREGSET_T
31 #define GDB_FPREGSET_T fpregset_t
32 #endif
33 
34 typedef GDB_GREGSET_T gdb_gregset_t;
35 typedef GDB_FPREGSET_T gdb_fpregset_t;
36 
37 struct regcache;
38 
39 /* A gregset is a data structure supplied by the native OS containing
40    the general register values of the debugged process.  Usually this
41    includes integer registers and control registers.  An fpregset is a
42    data structure containing the floating point registers.  These data
43    structures were originally a part of the /proc interface, but have
44    been borrowed or copied by other GDB targets, eg. GNU/Linux.  */
45 
46 /* Copy register values from the native target gregset/fpregset
47    into GDB's internal register cache.  */
48 
49 extern void supply_gregset (struct regcache *regcache,
50 			    const gdb_gregset_t *gregs);
51 extern void supply_fpregset (struct regcache *regcache,
52 			     const gdb_fpregset_t *fpregs);
53 
54 /* Copy register values from GDB's register cache into
55    the native target gregset/fpregset.  If regno is -1,
56    copy all the registers.  */
57 
58 extern void fill_gregset (const struct regcache *regcache,
59 			  gdb_gregset_t *gregs, int regno);
60 extern void fill_fpregset (const struct regcache *regcache,
61 			   gdb_fpregset_t *fpregs, int regno);
62 
63 #endif
64