gdb/tm-vx960.h

   1 /* Parameters for VxWorks Intel 960's, for GDB, the GNU debugger.
   2    Copyright (C) 1986-1991 Free Software Foundation, Inc.
   3    Contributed by Cygnus Support.
   4
   5 This file is part of GDB.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 #include "tm-i960.h"
  22
  23 /* Under VxWorks the IP isn't filled in.  Skip it, go with RIP, which has
  24    the real value.  */
  25 #undef PC_REGNUM
  26 #define PC_REGNUM RIP_REGNUM
  27
  28 #define GDBINIT_FILENAME        ".vxgdbinit"
  29
  30 #define DEFAULT_PROMPT          "(vxgdb) "
  31
  32 /* We have more complex, useful breakpoints on the target.
  33    Amount ip must be decremented by after a breakpoint.  */
  34
  35 #define DECR_PC_AFTER_BREAK     0
  36
  37 /* We are guaranteed to have a zero frame pointer at bottom of stack, too. */
  38
  39 #define FRAME_CHAIN_VALID(chain, thisframe) (chain != 0)
  40
  41 /* Breakpoint patching is handled at the target end in VxWorks.  */
  42 /* #define BREAKPOINT {0x00, 0x3e, 0x00, 0x66} */