mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-25 19:14:52 +08:00
65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/* 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"
|
|
#include "mips-tdep.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;
|
|
}
|