| /* Native-dependent code for GNU/Linux on MIPS processors. |
| |
| Copyright 2001, 2002, 2003 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include "defs.h" |
| |
| /* Pseudo registers can not be read. ptrace does not provide a way to |
| read (or set) PS_REGNUM, and there's no point in reading or setting |
| ZERO_REGNUM. We also can not set BADVADDR, CAUSE, or FCRIR via |
| ptrace(). */ |
| |
| int |
| mips_linux_cannot_fetch_register (int regno) |
| { |
| if (regno > ZERO_REGNUM && regno < ZERO_REGNUM + 32) |
| return 0; |
| else if (regno >= mips_regnum (current_gdbarch)->fp0 |
| && regno <= mips_regnum (current_gdbarch)->fp0 + 32) |
| return 0; |
| else if (regno == mips_regnum (current_gdbarch)->lo |
| || regno == mips_regnum (current_gdbarch)->hi |
| || regno == mips_regnum (current_gdbarch)->badvaddr |
| || regno == mips_regnum (current_gdbarch)->cause |
| || regno == mips_regnum (current_gdbarch)->pc |
| || regno == mips_regnum (current_gdbarch)->fp_control_status |
| || regno == mips_regnum (current_gdbarch)->fp_implementation_revision) |
| return 0; |
| else |
| return 1; |
| } |
| |
| int |
| mips_linux_cannot_store_register (int regno) |
| { |
| if (regno > ZERO_REGNUM && regno < ZERO_REGNUM + 32) |
| return 0; |
| else if (regno >= FP0_REGNUM && regno <= FP0_REGNUM + 32) |
| return 0; |
| else if (regno == mips_regnum (current_gdbarch)->lo |
| || regno == mips_regnum (current_gdbarch)->hi |
| || regno == mips_regnum (current_gdbarch)->pc |
| || regno == mips_regnum (current_gdbarch)->fp_control_status) |
| return 0; |
| else |
| return 1; |
| } |