1 /* Native-dependent code for GNU/Linux on MIPS processors.
3 Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
23 #include "mips-tdep.h"
25 #include "linux-nat.h"
27 /* Pseudo registers can not be read. ptrace does not provide a way to
28 read (or set) MIPS_PS_REGNUM, and there's no point in reading or
29 setting MIPS_ZERO_REGNUM. We also can not set BADVADDR, CAUSE, or
30 FCRIR via ptrace(). */
33 mips_linux_cannot_fetch_register (int regno
)
35 if (regno
> MIPS_ZERO_REGNUM
&& regno
< MIPS_ZERO_REGNUM
+ 32)
37 else if (regno
>= mips_regnum (current_gdbarch
)->fp0
38 && regno
<= mips_regnum (current_gdbarch
)->fp0
+ 32)
40 else if (regno
== mips_regnum (current_gdbarch
)->lo
41 || regno
== mips_regnum (current_gdbarch
)->hi
42 || regno
== mips_regnum (current_gdbarch
)->badvaddr
43 || regno
== mips_regnum (current_gdbarch
)->cause
44 || regno
== mips_regnum (current_gdbarch
)->pc
45 || regno
== mips_regnum (current_gdbarch
)->fp_control_status
46 || regno
== mips_regnum (current_gdbarch
)->fp_implementation_revision
)
53 mips_linux_cannot_store_register (int regno
)
55 if (regno
> MIPS_ZERO_REGNUM
&& regno
< MIPS_ZERO_REGNUM
+ 32)
57 else if (regno
>= FP0_REGNUM
&& regno
<= FP0_REGNUM
+ 32)
59 else if (regno
== mips_regnum (current_gdbarch
)->lo
60 || regno
== mips_regnum (current_gdbarch
)->hi
61 || regno
== mips_regnum (current_gdbarch
)->pc
62 || regno
== mips_regnum (current_gdbarch
)->fp_control_status
)
68 void _initialize_mips_linux_nat (void);
71 _initialize_mips_linux_nat (void)
73 add_target (linux_target ());