gdb/tm-68k-noun.h

   1 /* Target machine parameters for an embedded m68k, for GDB, the GNU debugger.
   2    This is for object file formats that don't have underlines on symbols.
   3    Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc.
   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 #define HAVE_68881
  22
  23 #include "tm-68k.h"
  24
  25 /* Longjmp info comes from the Sun-3 machine description.  Might as well
  26    guess... */
  27
  28 /* Offsets (in target ints) into jmp_buf.  Not defined by Sun, but at least
  29    documented in a comment in <machine/setjmp.h>! */
  30
  31 #define JB_ELEMENT_SIZE 4
  32
  33 #define JB_ONSSTACK 0
  34 #define JB_SIGMASK 1
  35 #define JB_SP 2
  36 #define JB_PC 3
  37 #define JB_PSL 4
  38 #define JB_D2 5
  39 #define JB_D3 6
  40 #define JB_D4 7
  41 #define JB_D5 8
  42 #define JB_D6 9
  43 #define JB_D7 10
  44 #define JB_A2 11
  45 #define JB_A3 12
  46 #define JB_A4 13
  47 #define JB_A5 14
  48 #define JB_A6 15
  49
  50 /* Figure out where the longjmp will land.  Slurp the args out of the stack.
  51    We expect the first arg to be a pointer to the jmp_buf structure from which
  52    we extract the pc (JB_PC) that we will land at.  The pc is copied into ADDR.
  53    This routine returns true on success */
  54
  55 #define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
  56
  57 /* Where is the PC after a call?  */
  58
  59 #ifdef __STDC__
  60 struct frame_info;
  61 #endif
  62
  63 extern CORE_ADDR m68k_saved_pc_after_call PARAMS ((struct frame_info *));
  64
  65 #undef SAVED_PC_AFTER_CALL
  66 #define SAVED_PC_AFTER_CALL(frame) \
  67   m68k_saved_pc_after_call(frame)