/* Definitions to make GDB run on a merlin under utek 2.1
   Copyright 1986, 1987, 1989, 1991, 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */

#include <machine/reg.h>

/* This machine doesn't have the siginterrupt call.  */
#define NO_SIGINTERRUPT

/* Under Utek, a ptrace'd process can be the only active process for
   an executable.  Therefore instead of /bin/sh use gdb-sh (which should
   just be a copy of /bin/sh which is world readable and writeable).  */
#define SHELL_FILE "/usr/gnu/lib/gdb-sh"

#define HOST_BYTE_ORDER LITTLE_ENDIAN

/* This is the amount to subtract from u.u_ar0
   to get the offset in the core file of the register values.  */

#define KERNEL_U_ADDR (0xfef000)

#define REGISTER_U_ADDR(addr, blockend, regno) \
{ 									\
  switch (regno) {							\
  case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7:	\
	addr = blockend + (R0 - regno) * sizeof (int); break;		\
  case PC_REGNUM:							\
  	addr = blockend + PC * sizeof (int); break;			\
  case SP_REGNUM:							\
  	addr = blockend + SP * sizeof (int); break;			\
  case FP_REGNUM:							\
  	addr = blockend + FP * sizeof (int); break;			\
  case PS_REGNUM:							\
  	addr = blockend + 12 * sizeof (int); break;			\
  case FPS_REGNUM:							\
  	addr = 108; break;						\
  case FP0_REGNUM + 0: case FP0_REGNUM + 1:				\
  case FP0_REGNUM + 2: case FP0_REGNUM + 3: 				\
  case FP0_REGNUM + 4: case FP0_REGNUM + 5: 				\
  case FP0_REGNUM + 6: case FP0_REGNUM + 7: 				\
  	addr = 76 + (regno - FP0_REGNUM) * sizeof (float); break;	\
  case LP0_REGNUM + 0: case LP0_REGNUM + 1:				\
  case LP0_REGNUM + 2: case LP0_REGNUM + 3:				\
  	addr = 76 + (regno - LP0_REGNUM) * sizeof (double); break;	\
  default:								\
  	printf ("bad argument to REGISTER_U_ADDR %d\n", regno);		\
	abort ();							\
  }									\
}