old-cross-binutils/gdb/mips-linux-nat.c
Andrew Cagney 56cea62382 2003-11-16 Andrew Cagney <cagney@redhat.com>
* mips-tdep.c (struct gdbarch_tdep): Add field "regnum".
	(mips_fpa0_regnum, mips_regnum): New function.
	(mips_gdbarch_init): Fill in the "regnum" fields.
	* mips-tdep.h (struct mips_regnum): Define.
	(mips_regnum): Declare.
	* config/mips/tm-mips.h (BADVADDR_REGNUM): Delete macro.
	(LO_REGNUM, HI_REGNUM, BADVADDR_REGNUM): Ditto.
	(CAUSE_REGNUM, PC_REGNUM, FP0_REGNUM): Ditto.
	(FCRCS_REGNUM, FCRIR_REGNUM, FPA0_REGNUM): Ditto.
	* config/mips/tm-irix6.h (FP0_REGNUM): Delete macro.
	(PC_REGNUM, CAUSE_REGNUM, BADVADDR_REGNUM): Ditto.
	(HI_REGNUM, LO_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): Ditto.
	* config/mips/tm-irix5.h (FP0_REGNUM): Delete macro.
	(PC_REGNUM, CAUSE_REGNUM, BADVADDR_REGNUM): Ditto.
	(HI_REGNUM, LO_REGNUM, FCRCS_REGNUM, FCRIR_REGNUM): Ditto.
	* remote-mips.c: Include "mips-tdep.h".  Update.
	* mipsnbsd-tdep.c: Update.
	* mipsv4-nat.c: Update.
	* mips-tdep.c: Update.
	* mips-nat.c: Update.
	* mips-linux-tdep.c: Update.
	* mips-linux-nat.c: Update.
	* irix5-nat.c: Update.
	* dve3900-rom.c: Include "mips-tdep.h".  Update.
	(ignore_packet): Supress GCC warning.
	* config/mips/nm-riscos.h: Update.
	* Makefile.in (dve3900-rom.o, remote-mips.o): Update dependencies.
2003-11-16 19:24:05 +00:00

63 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"
/* 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;
}