gdb/config/m68k/tm-vx68.h

   1 /* Target machine description for VxWorks m68k's, for GDB, the GNU debugger.
   2    Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1996, 1998, 1999, 2000,
   3    2002, 2003
   4    Free Software Foundation, Inc.
   5    Contributed by Cygnus Support.
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 59 Temple Place - Suite 330,
  22    Boston, MA 02111-1307, USA.  */
  23
  24 /* GCC is probably the only compiler used on this configuration.  So
  25    get this right even if the code which detects gcc2_compiled. is
  26    still broken.  */
  27
  28 #define BELIEVE_PCC_PROMOTION 1
  29
  30 /* We have more complex, useful breakpoints on the target.  */
  31 #define DECR_PC_AFTER_BREAK     0
  32
  33 #include "config/tm-vxworks.h"
  34
  35 /* Takes the current frame-struct pointer and returns the chain-pointer
  36    to get to the calling frame.
  37
  38    If our current frame pointer is zero, we're at the top; else read out
  39    the saved FP from memory pointed to by the current FP.  */
  40
  41 #undef  DEPRECATED_FRAME_CHAIN
  42 #define DEPRECATED_FRAME_CHAIN(thisframe) ((thisframe)->frame? read_memory_integer ((thisframe)->frame, 4): 0)
  43
  44 /* FIXME, Longjmp information stolen from Sun-3 config.  Dunno if right.  */
  45 /* Offsets (in target ints) into jmp_buf.  Not defined by Sun, but at least
  46    documented in a comment in <machine/setjmp.h>! */
  47
  48 #define JB_ELEMENT_SIZE 4
  49
  50 #define JB_ONSSTACK 0
  51 #define JB_SIGMASK 1
  52 #define JB_SP 2
  53 #define JB_PC 3
  54 #define JB_PSL 4
  55 #define JB_D2 5
  56 #define JB_D3 6
  57 #define JB_D4 7
  58 #define JB_D5 8
  59 #define JB_D6 9
  60 #define JB_D7 10
  61 #define JB_A2 11
  62 #define JB_A3 12
  63 #define JB_A4 13
  64 #define JB_A5 14
  65 #define JB_A6 15