gcc/config/rs6000/xm-sysv4.h

   1 /* Configuration for GNU C-compiler for PowerPC running System V.4.
   2    Copyright (C) 1995, 1998, 1999 Free Software Foundation, Inc.
   3    Cloned from sparc/xm-sysv4.h by Michael Meissner (meissner@cygnus.com).
   4
   5 This file is part of GNU CC.
   6
   7 GNU CC 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, or (at your option)
  10 any later version.
  11
  12 GNU CC 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 GNU CC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.  */
  21
  22
  23 /* #defines that need visibility everywhere.  */
  24 #define FALSE 0
  25 #define TRUE 1
  26
  27 /* This describes the machine the compiler is hosted on.  */
  28 #define HOST_BITS_PER_CHAR 8
  29 #define HOST_BITS_PER_SHORT 16
  30 #define HOST_BITS_PER_INT 32
  31 #define HOST_BITS_PER_LONG 32
  32 #define HOST_BITS_PER_LONGLONG 64
  33
  34 /* Doubles are stored in memory with the high order word first.  This
  35    matters when cross-compiling.  */
  36 #define HOST_WORDS_BIG_ENDIAN 1
  37
  38 /* target machine dependencies.
  39    tm.h is a symbolic link to the actual target specific file.   */
  40 #include "tm.h"
  41
  42 /* Arguments to use with `exit'.  */
  43 #define SUCCESS_EXIT_CODE 0
  44 #define FATAL_EXIT_CODE 33
  45
  46 #ifdef __linux__
  47 #include "xm-linux.h"
  48 #endif
  49
  50 /* if not compiled with GNU C, use the C alloca and use only int bitfields. */
  51 #ifndef __GNUC__
  52 #define USE_C_ALLOCA
  53 #ifdef __STDC__
  54 extern void *alloca ();
  55 #else
  56 extern char *alloca ();
  57 #endif
  58 #undef ONLY_INT_FIELDS
  59 #define ONLY_INT_FIELDS
  60 #endif