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75c9abc6 | 1 | /* Native-dependent code for GNU/Linux on MIPS processors. |
2aa830e4 DJ |
2 | Copyright 2001 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 | #include "defs.h" | |
22 | ||
23 | /* Pseudo registers can not be read. ptrace does not provide a way to | |
24 | read (or set) PS_REGNUM, and there's no point in reading or setting | |
25 | ZERO_REGNUM. We also can not set BADVADDR, CAUSE, or FCRIR via | |
26 | ptrace(). */ | |
27 | ||
28 | int | |
29 | mips_linux_cannot_fetch_register (int regno) | |
30 | { | |
31 | if (regno >= FP_REGNUM) | |
32 | return 1; | |
33 | else if (regno == PS_REGNUM) | |
34 | return 1; | |
35 | else if (regno == ZERO_REGNUM) | |
36 | return 1; | |
37 | else | |
38 | return 0; | |
39 | } | |
40 | ||
41 | int | |
42 | mips_linux_cannot_store_register (int regno) | |
43 | { | |
44 | if (regno >= FP_REGNUM) | |
45 | return 1; | |
46 | else if (regno == PS_REGNUM) | |
47 | return 1; | |
48 | else if (regno == ZERO_REGNUM) | |
49 | return 1; | |
50 | else if (regno == BADVADDR_REGNUM) | |
51 | return 1; | |
52 | else if (regno == CAUSE_REGNUM) | |
53 | return 1; | |
54 | else if (regno == FCRIR_REGNUM) | |
55 | return 1; | |
56 | else | |
57 | return 0; | |
58 | } |