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,
  21    Boston, MA 02111-1307, USA.  */
  22
  23 #if !defined (HOST_BYTE_ORDER)
  24 #define HOST_BYTE_ORDER LITTLE_ENDIAN
  25 #endif
  26
  27 #ifdef ultrix
  28 /* Needed for DECstation core files.  */
  29 #include <machine/param.h>
  30 #define KERNEL_U_ADDR UADDR
  31
  32 /* Native Ultrix cc has broken long long support.  */
  33 #ifndef __GNUC__
  34 #undef CC_HAS_LONG_LONG
  35 #endif
  36 #endif
  37
  38 #if ! defined (__STDC__) && ! defined (offsetof)
  39 #define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
  40 #endif
  41
  42 /* Only used for core files on DECstations.
  43    First four registers at u.u_ar0 are saved arguments, and
  44    there is no r0 saved.   Float registers are saved
  45    in u_pcb.pcb_fpregs, not relative to u.u_ar0.  */
  46
  47 #define REGISTER_U_ADDR(addr, blockend, regno)          \
  48         { \
  49           if (regno < FP0_REGNUM) \
  50             addr = blockend + sizeof(int) * (4 + regno - 1); \
  51           else \
  52             addr = offsetof (struct user, u_pcb.pcb_fpregs[0]) + \
  53                    sizeof (int) * (regno - FP0_REGNUM); \
  54         }
  55
  56 /* Kernel is a bit tenacious about sharing text segments, disallowing bpts.  */
  57 #define ONE_PROCESS_WRITETEXT
  58
  59 /* HAVE_SGTTY also works, last we tried.
  60
  61    But we have termios, at least as of Ultrix 4.2A, so use it.  */
  62 #define HAVE_TERMIOS