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 /* Big end is at the low address */
  22
  23 #define HOST_BYTE_ORDER BIG_ENDIAN
  24
  25 #define HAVE_TERMIO 1
  26 #define USG 1
  27 #define HAVE_SIGSETMASK 1
  28
  29 /* This system requires that we open a terminal with O_NOCTTY for it to
  30    not become our controlling terminal.  */
  31
  32 #define USE_O_NOCTTY
  33
  34 /* Get rid of any system-imposed stack limit if possible.  */
  35
  36 #define SET_STACK_LIMIT_HUGE
  37
  38 /* Brain death inherited from PC's pervades.  */
  39 #undef NULL
  40 #define NULL 0
  41
  42 /* The IBM compiler requires this in order to properly compile alloca().  */
  43 #pragma alloca
  44
  45 #define vfork   fork
  46
  47 /* Do implement the attach and detach commands.  */
  48
  49 #define ATTACH_DETACH
  50
  51 /* Override copies of {fetch,store}_inferior_registers in infptrace.c.  */
  52
  53 #define FETCH_INFERIOR_REGISTERS
  54
  55 /* Setpgrp() takes arguments, unlike ordinary Sys V's.  */
  56
  57 #define SETPGRP_ARGS 1
  58
  59 /* RS6000/AIXCOFF does not support PT_STEP. Has to be simulated. */
  60
  61 #define NO_SINGLE_STEP
  62
  63 /* Interface between xcoff symbol reading code and AIX shared library
  64    handling code.  FIXME, this probably needs generalizing.  */
  65
  66 #define XCOFF_INIT_LOADINFO()   xcoff_init_loadinfo()
  67 #define XCOFF_ADD_TOC_TO_LOADINFO(x)    xcoff_add_toc_to_loadinfo (x)
  68
  69 /* AIX's assembler doesn't grok dollar signs in identifiers.
  70    So we use dots instead.  This item must be coordinated with G++. */
  71 #undef CPLUS_MARKER
  72 #define CPLUS_MARKER '.'
  73
  74 /* Flag for machine-specific stuff in shared files.  FIXME */
  75 #ifndef IBM6000
  76 #define IBM6000
  77 #endif
  78
  79 /* /usr/include/stdlib.h always uses void* and void,
  80    even when __STDC__ isn't defined. */
  81 #define MALLOC_INCOMPATIBLE
  82 extern void* malloc PARAMS (());
  83 extern void* realloc PARAMS (());
  84 extern void free PARAMS (());
  85