gdb/xm-ultra3.h

   1 /* Host definitions for GDB running on a 29k NYU Ultracomputer
   2    Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
   3    Contributed by David Wood (wood@lab.ultra.nyu.edu).
   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 /* Here at NYU we have what we call an ULTRA3 PE board.  So
  22    ifdefs for ULTRA3 are my doing.  At this point in time,
  23    I don't know of any other Unixi running on the 29k.  */
  24
  25 #define HOST_BYTE_ORDER BIG_ENDIAN
  26
  27 #define HAVE_WAIT_STRUCT
  28
  29 #ifndef L_SET
  30 # define L_SET   0 /* set the seek pointer */
  31 # define L_INCR  1 /* increment the seek pointer */
  32 # define L_XTND  2 /* extend the file size */
  33 #endif
  34
  35 #ifndef O_RDONLY
  36 # define O_RDONLY 0
  37 # define O_WRONLY 1
  38 # define O_RDWR   2
  39 #endif
  40
  41 #ifndef F_OK
  42 # define R_OK 4
  43 # define W_OK 2
  44 # define X_OK 1
  45 # define F_OK 0
  46 #endif
  47
  48 /* Get rid of any system-imposed stack limit if possible */
  49
  50 #define SET_STACK_LIMIT_HUGE
  51
  52 /* Override copies of {fetch,store}_inferior_registers in infptrace.c.  */
  53 #define FETCH_INFERIOR_REGISTERS
  54
  55 /* If we ever *do* end up using the standard fetch_inferior_registers,
  56    this is the right value for U_REGS_OFFSET.  */
  57 #define U_REGS_OFFSET   0
  58
  59 /* System doesn't provide siginterrupt().  */
  60 #define NO_SIGINTERRUPT
  61
  62 /* System uses a `short' to hold a process group ID.  */
  63 #define SHORT_PGRP