tm-vx960.h

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/* Parameters for VxWorks Intel 960's, for GDB, the GNU debugger.
   Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1993, 1998, 1999
   Free Software Foundation, Inc.
   Contributed by Cygnus Support.

   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 "i960/tm-i960.h"
#include "tm-vxworks.h"

/* Under VxWorks the IP isn't filled in.  Skip it, go with RIP, which has
   the real value.  */
#undef PC_REGNUM
#define PC_REGNUM RIP_REGNUM

/* We have more complex, useful breakpoints on the target.
   Amount ip must be decremented by after a breakpoint.  */

#define	DECR_PC_AFTER_BREAK	0

/* We are guaranteed to have a zero frame pointer at bottom of stack, too. */

#define FRAME_CHAIN_VALID(chain, thisframe) nonnull_frame_chain_valid (chain, thisframe)

/* Breakpoint patching is handled at the target end in VxWorks.  */
/* #define BREAKPOINT {0x00, 0x3e, 0x00, 0x66} */

/* Number of registers in a ptrace_getregs call. */

#define VX_NUM_REGS (16 + 16 + 3)

/* Number of registers in a ptrace_getfpregs call. */

    /* @@ Can't use this -- the rdb library for the 960 target
       doesn't support setting or retrieving FP regs.  KR  */

/* #define VX_SIZE_FPREGS (REGISTER_RAW_SIZE (FP0_REGNUM) * 4) */