gdb/xm-rs6000.h

   1 /* Parameters for hosting on an RS6000, for GDB, the GNU debugger.
   2    Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
   3    Contributed by IBM Corporation.
   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 #include <sys/select.h>
  22
  23 /* Big end is at the low address */
  24
  25 #define HOST_BYTE_ORDER BIG_ENDIAN
  26
  27 #define HAVE_TERMIO 1
  28 #define USG 1
  29 #define HAVE_SIGSETMASK 1
  30
  31 /* AIX declares the mem functions */
  32
  33 #undef MEM_FNS_DECLARED
  34 #define MEM_FNS_DECLARED 1
  35
  36 /* This system requires that we open a terminal with O_NOCTTY for it to
  37    not become our controlling terminal.  */
  38
  39 #define USE_O_NOCTTY
  40
  41 /* Get rid of any system-imposed stack limit if possible.  */
  42
  43 #define SET_STACK_LIMIT_HUGE
  44
  45 /* Brain death inherited from PC's pervades.  */
  46 #undef NULL
  47 #define NULL 0
  48
  49 /* The IBM compiler requires this in order to properly compile alloca().  */
  50 #pragma alloca
  51
  52 #define vfork   fork
  53
  54 /* Do implement the attach and detach commands.  */
  55
  56 #define ATTACH_DETACH
  57
  58 /* Override copies of {fetch,store}_inferior_registers in infptrace.c.  */
  59
  60 #define FETCH_INFERIOR_REGISTERS
  61
  62 /* Setpgrp() takes arguments, unlike ordinary Sys V's.  */
  63
  64 #define SETPGRP_ARGS 1
  65
  66 /* RS6000/AIXCOFF does not support PT_STEP. Has to be simulated. */
  67
  68 #define NO_SINGLE_STEP
  69
  70 /* Flag for machine-specific stuff in shared files.  FIXME */
  71 #define IBM6000_HOST
  72
  73 /* /usr/include/stdlib.h always uses void* and void,
  74    even when __STDC__ isn't defined. */
  75 #define MALLOC_INCOMPATIBLE
  76 extern void *malloc PARAMS ((size_t size));
  77 extern void *realloc PARAMS ((void *ptr, size_t size));
  78 extern void free PARAMS ((void *));
  79
  80 /* AIX doesn't have strdup, so we need to declare it for libiberty */
  81 extern char *strdup PARAMS ((char *));