gdb/xm-m88k.h

   1 /* Host-machine dependent parameters for Motorola 88000, for GDB.
   2    Copyright 1986, 1987, 1988, 1989, 1990, 1991 Free Software Foundation, Inc.
   3
   4 This file is part of GDB.
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 /* This is currently for a 88000 running DGUX.  If other 88k ports are
  21    done, OS-specific stuff should be moved (see tm-68k.h, for example).  */
  22 /* g++ support is not yet included.  */
  23
  24 #define HOST_BYTE_ORDER BIG_ENDIAN
  25
  26 #if !defined (USG)
  27 #define USG 1
  28 #endif
  29
  30 #include <sys/param.h>
  31
  32 #ifdef __GNUC__
  33 #define memcpy __builtin_memcpy
  34 /* gcc doesn't have this, at least not gcc 1.92.  */
  35 /* #define memset __builtin_memset */
  36 #define strcmp __builtin_strcmp
  37 #endif
  38
  39 #ifdef DGUX
  40 #define x_foff _x_x._x_offset
  41 #define x_fname _x_name
  42 #define USER ptrace_user
  43 #define _BSD_WAIT_FLAVOR
  44 #endif
  45
  46 #define HAVE_TERMIO
  47
  48 #ifndef USIZE
  49 #define USIZE 2048
  50 #endif
  51 #define NBPG NBPC
  52 #define UPAGES USIZE
  53
  54 #define HAVE_GETPAGESIZE
  55
  56 /* Get rid of any system-imposed stack limit if possible.  */
  57
  58 #define SET_STACK_LIMIT_HUGE
  59
  60 /* number of traps that happen between exec'ing the shell
  61  * to run an inferior, and when we finally get to
  62  * the inferior code.  This is 2 on most implementations.
  63  */
  64 #define START_INFERIOR_TRAPS_EXPECTED 2
  65
  66 /* This is the amount to subtract from u.u_ar0
  67    to get the offset in the core file of the register values.  */
  68
  69 /* Since registers r0 through r31 are stored directly in the struct ptrace_user,
  70    (for m88k BCS)
  71    the ptrace_user offsets are sufficient and KERNEL_U_ADDRESS can be 0 */
  72
  73 #define KERNEL_U_ADDR 0
  74
  75 #define REGISTER_U_ADDR(addr, blockend, regno) \
  76         (addr) = m88k_register_u_addr ((blockend),(regno));
  77
  78 #define HAVE_WAIT_STRUCT
  79
  80 #define FETCH_INFERIOR_REGISTERS