gdb/config/mips/xm-mips.h

   1 /* Definitions to make GDB run on a mips box under 4.3bsd.
   2    Copyright 1986, 1987, 1989, 1993, 1994, 1995, 1996, 1998
   3    Free Software Foundation, Inc.
   4    Contributed by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin
   5    and by Alessandro Forin(af@cs.cmu.edu) at CMU
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 59 Temple Place - Suite 330,
  22    Boston, MA 02111-1307, USA.  */
  23
  24 #ifdef ultrix
  25 /* Needed for DECstation core files.  */
  26 #include <machine/param.h>
  27 #define KERNEL_U_ADDR UADDR
  28
  29 /* Native Ultrix cc has broken long long support.  */
  30 #ifndef __GNUC__
  31 #undef CC_HAS_LONG_LONG
  32 #endif
  33 #endif
  34
  35 #if ! defined (__GNUC__) && ! defined (offsetof)
  36 #define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
  37 #endif
  38
  39 /* Only used for core files on DECstations.
  40    First four registers at u.u_ar0 are saved arguments, and
  41    there is no r0 saved.   Float registers are saved
  42    in u_pcb.pcb_fpregs, not relative to u.u_ar0.  */
  43
  44 #define REGISTER_U_ADDR(addr, blockend, regno)          \
  45         { \
  46           if (regno < FP0_REGNUM) \
  47             addr = blockend + sizeof(int) * (4 + regno - 1); \
  48           else \
  49             addr = offsetof (struct user, u_pcb.pcb_fpregs[0]) + \
  50                    sizeof (int) * (regno - FP0_REGNUM); \
  51         }
  52
  53 /* Kernel is a bit tenacious about sharing text segments, disallowing bpts.  */
  54 #define ONE_PROCESS_WRITETEXT
  55
  56 /* HAVE_SGTTY also works, last we tried.
  57
  58    But we have termios, at least as of Ultrix 4.2A, so use it.  */
  59 #define HAVE_TERMIOS