/* Native-dependent code for GNU/Linux on MIPS processors.
- Copyright 2001, 2002 Free Software Foundation, Inc.
+ Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of GDB.
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
int
mips_linux_cannot_fetch_register (int regno)
{
- if (regno == PS_REGNUM)
- return 1;
- else if (regno == ZERO_REGNUM)
- return 1;
- else
+ 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 == PS_REGNUM)
- return 1;
- else if (regno == ZERO_REGNUM)
- return 1;
- else if (regno == BADVADDR_REGNUM)
- return 1;
- else if (regno == CAUSE_REGNUM)
- return 1;
- else if (regno == FCRIR_REGNUM)
- return 1;
- else
+ 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;
}