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