1 /* Interface for functions using gregset and fpregset types.
2    Copyright 2000, 2002 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., 59 Temple Place - Suite 330,
19    Boston, MA 02111-1307, 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 /* 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 (gdb_gregset_t *gregs);
46 extern void supply_fpregset (gdb_fpregset_t *fpregs);
47 
48 /* Copy register values from GDB's register cache into
49    the native target gregset/fpregset.  If regno is -1,
50    copy all the registers.  */
51 
52 extern void fill_gregset (gdb_gregset_t *gregs, int regno);
53 extern void fill_fpregset (gdb_fpregset_t *fpregs, int regno);
54 
55 #ifdef FILL_FPXREGSET
56 /* GNU/Linux i386: Copy register values between GDB's internal register cache
57    and the i386 extended floating point registers.  */
58 
59 #ifndef GDB_FPXREGSET_T
60 #define GDB_FPXREGSET_T elf_fpxregset_t
61 #endif
62 
63 typedef GDB_FPXREGSET_T gdb_fpxregset_t;
64 
65 extern void supply_fpxregset (gdb_fpxregset_t *fpxregs);
66 extern void fill_fpxregset (gdb_fpxregset_t *fpxregs, int regno);
67 #endif
68 
69 #endif
70