gdb/config/i960/tm-vx960.h

   1 /* Parameters for VxWorks Intel 960's, for GDB, the GNU debugger.
   2    Copyright (C) 1986-1991, 1999 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., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #include "i960/tm-i960.h"
  23 #include "tm-vxworks.h"
  24
  25 /* Under VxWorks the IP isn't filled in.  Skip it, go with RIP, which has
  26    the real value.  */
  27 #undef PC_REGNUM
  28 #define PC_REGNUM RIP_REGNUM
  29
  30 /* We have more complex, useful breakpoints on the target.
  31    Amount ip must be decremented by after a breakpoint.  */
  32
  33 #define DECR_PC_AFTER_BREAK     0
  34
  35 /* We are guaranteed to have a zero frame pointer at bottom of stack, too. */
  36
  37 #define FRAME_CHAIN_VALID(chain, thisframe) nonnull_frame_chain_valid (chain, thisframe)
  38
  39 /* Breakpoint patching is handled at the target end in VxWorks.  */
  40 /* #define BREAKPOINT {0x00, 0x3e, 0x00, 0x66} */
  41
  42 /* Number of registers in a ptrace_getregs call. */
  43
  44 #define VX_NUM_REGS (16 + 16 + 3)
  45
  46 /* Number of registers in a ptrace_getfpregs call. */
  47
  48     /* @@ Can't use this -- the rdb library for the 960 target
  49        doesn't support setting or retrieving FP regs.  KR  */
  50
  51 /* #define VX_SIZE_FPREGS (REGISTER_RAW_SIZE (FP0_REGNUM) * 4) */