gdb/config/mips/xm-mips.h

   1 /* Definitions to make GDB run on a mips box under 4.3bsd.
   2    Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc.
   3    Contributed by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin
   4    and by Alessandro Forin(af@cs.cmu.edu) at CMU
   5
   6 This file is part of GDB.
   7
   8 This program is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2 of the License, or
  11 (at your option) any later version.
  12
  13 This program is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this program; if not, write to the Free Software
  20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  21
  22 #if !defined (HOST_BYTE_ORDER)
  23 #define HOST_BYTE_ORDER LITTLE_ENDIAN
  24 #endif
  25
  26 #ifdef ultrix
  27 /* Needed for DECstation core files.  */
  28 #include <machine/param.h>
  29 #define KERNEL_U_ADDR UADDR
  30
  31 /* Native Ultrix cc has broken long long support.  */
  32 #ifndef __GNUC__
  33 #undef CC_HAS_LONG_LONG
  34 #endif
  35 #endif
  36
  37 #if ! defined (__STDC__) && ! defined (offsetof)
  38 # define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
  39 #endif
  40
  41 /* Only used for core files on DECstations.
  42    First four registers at u.u_ar0 are saved arguments, and
  43    there is no r0 saved.   Float registers are saved
  44    in u_pcb.pcb_fpregs, not relative to u.u_ar0.  */
  45
  46 #define REGISTER_U_ADDR(addr, blockend, regno)          \
  47         { \
  48           if (regno < FP0_REGNUM) \
  49             addr = blockend + sizeof(int) * (4 + regno - 1); \
  50           else \
  51             addr = offsetof (struct user, u_pcb.pcb_fpregs[0]) + \
  52                    sizeof (int) * (regno - FP0_REGNUM); \
  53         }
  54
  55 /* Kernel is a bit tenacious about sharing text segments, disallowing bpts.  */
  56 #define ONE_PROCESS_WRITETEXT
  57
  58 /* HAVE_SGTTY also works, last we tried.
  59
  60    But we have termios, at least as of Ultrix 4.2A, so use it.  */
  61 #define HAVE_TERMIOS