xref: /openbsd-src/gnu/usr.bin/binutils/gdb/gregset.h (revision b725ae7711052a2233e31a66fefb8a752c388d7a)
1*b725ae77Skettenis /* Interface for functions using gregset and fpregset types.
2*b725ae77Skettenis    Copyright 2000, 2002 Free Software Foundation, Inc.
3*b725ae77Skettenis 
4*b725ae77Skettenis    This file is part of GDB.
5*b725ae77Skettenis 
6*b725ae77Skettenis    This program is free software; you can redistribute it and/or modify
7*b725ae77Skettenis    it under the terms of the GNU General Public License as published by
8*b725ae77Skettenis    the Free Software Foundation; either version 2 of the License, or
9*b725ae77Skettenis    (at your option) any later version.
10*b725ae77Skettenis 
11*b725ae77Skettenis    This program is distributed in the hope that it will be useful,
12*b725ae77Skettenis    but WITHOUT ANY WARRANTY; without even the implied warranty of
13*b725ae77Skettenis    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14*b725ae77Skettenis    GNU General Public License for more details.
15*b725ae77Skettenis 
16*b725ae77Skettenis    You should have received a copy of the GNU General Public License
17*b725ae77Skettenis    along with this program; if not, write to the Free Software
18*b725ae77Skettenis    Foundation, Inc., 59 Temple Place - Suite 330,
19*b725ae77Skettenis    Boston, MA 02111-1307, USA.  */
20*b725ae77Skettenis 
21*b725ae77Skettenis #ifndef GREGSET_H
22*b725ae77Skettenis #define GREGSET_H
23*b725ae77Skettenis 
24*b725ae77Skettenis #ifndef GDB_GREGSET_T
25*b725ae77Skettenis #define GDB_GREGSET_T gregset_t
26*b725ae77Skettenis #endif
27*b725ae77Skettenis 
28*b725ae77Skettenis #ifndef GDB_FPREGSET_T
29*b725ae77Skettenis #define GDB_FPREGSET_T fpregset_t
30*b725ae77Skettenis #endif
31*b725ae77Skettenis 
32*b725ae77Skettenis typedef GDB_GREGSET_T gdb_gregset_t;
33*b725ae77Skettenis typedef GDB_FPREGSET_T gdb_fpregset_t;
34*b725ae77Skettenis 
35*b725ae77Skettenis /* A gregset is a data structure supplied by the native OS containing
36*b725ae77Skettenis    the general register values of the debugged process.  Usually this
37*b725ae77Skettenis    includes integer registers and control registers.  An fpregset is a
38*b725ae77Skettenis    data structure containing the floating point registers.  These data
39*b725ae77Skettenis    structures were originally a part of the /proc interface, but have
40*b725ae77Skettenis    been borrowed or copied by other GDB targets, eg. GNU/Linux.  */
41*b725ae77Skettenis 
42*b725ae77Skettenis /* Copy register values from the native target gregset/fpregset
43*b725ae77Skettenis    into GDB's internal register cache.  */
44*b725ae77Skettenis 
45*b725ae77Skettenis extern void supply_gregset (gdb_gregset_t *gregs);
46*b725ae77Skettenis extern void supply_fpregset (gdb_fpregset_t *fpregs);
47*b725ae77Skettenis 
48*b725ae77Skettenis /* Copy register values from GDB's register cache into
49*b725ae77Skettenis    the native target gregset/fpregset.  If regno is -1,
50*b725ae77Skettenis    copy all the registers.  */
51*b725ae77Skettenis 
52*b725ae77Skettenis extern void fill_gregset (gdb_gregset_t *gregs, int regno);
53*b725ae77Skettenis extern void fill_fpregset (gdb_fpregset_t *fpregs, int regno);
54*b725ae77Skettenis 
55*b725ae77Skettenis #ifdef FILL_FPXREGSET
56*b725ae77Skettenis /* GNU/Linux i386: Copy register values between GDB's internal register cache
57*b725ae77Skettenis    and the i386 extended floating point registers.  */
58*b725ae77Skettenis 
59*b725ae77Skettenis #ifndef GDB_FPXREGSET_T
60*b725ae77Skettenis #define GDB_FPXREGSET_T elf_fpxregset_t
61*b725ae77Skettenis #endif
62*b725ae77Skettenis 
63*b725ae77Skettenis typedef GDB_FPXREGSET_T gdb_fpxregset_t;
64*b725ae77Skettenis 
65*b725ae77Skettenis extern void supply_fpxregset (gdb_fpxregset_t *fpxregs);
66*b725ae77Skettenis extern void fill_fpxregset (gdb_fpxregset_t *fpxregs, int regno);
67*b725ae77Skettenis #endif
68*b725ae77Skettenis 
69*b725ae77Skettenis #endif
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