gdb/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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  21
  22 #if !defined (HOST_BYTE_ORDER)
  23 #define HOST_BYTE_ORDER LITTLE_ENDIAN
  24 #endif
  25
  26 /* Get rid of any system-imposed stack limit if possible */
  27
  28 #define SET_STACK_LIMIT_HUGE
  29
  30 #ifdef ultrix
  31 /* Needed for DECstation core files.  */
  32 #include <machine/param.h>
  33 #define KERNEL_U_ADDR UADDR
  34 #endif
  35
  36 #ifdef ultrix
  37 extern char *strdup();
  38 #endif
  39
  40 /* DECstation memcpy and memset return void *, not char *.  */
  41
  42 extern void *memcpy();
  43 extern void *memset();
  44 #define MEM_FNS_DECLARED
  45
  46 #if !defined (offsetof)
  47 # define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER)
  48 #endif
  49
  50 /* Only used for core files on DECstations.
  51    First four registers at u.u_ar0 are saved arguments, and
  52    there is no r0 saved.   Float registers are saved
  53    in u_pcb.pcb_fpregs, not relative to u.u_ar0.  */
  54
  55 #define REGISTER_U_ADDR(addr, blockend, regno)          \
  56         { \
  57           if (regno < FP0_REGNUM) \
  58             addr = blockend + sizeof(int) * (4 + regno - 1); \
  59           else \
  60             addr = offsetof (struct user, u_pcb.pcb_fpregs[0]) + \
  61                    sizeof (int) * (regno - FP0_REGNUM); \
  62         }
  63
  64 /* Override copies of {fetch,store}_inferior_registers in infptrace.c.  */
  65 #define FETCH_INFERIOR_REGISTERS
  66
  67 /* Kernel is a bit tenacious about sharing text segments, disallowing bpts.  */
  68 #define ONE_PROCESS_WRITETEXT