gcc/config/rs6000/xm-sysv4.h

   1 /* Configuration for GNU C-compiler for PowerPC running System V.4.
   2    Copyright (C) 1995 Free Software Foundation, Inc.
   3
   4    Cloned from sparc/xm-sysv4.h by Michael Meissner (meissner@cygnus.com).
   5
   6 This file is part of GNU CC.
   7
   8 GNU CC 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, or (at your option)
  11 any later version.
  12
  13 GNU CC 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 GNU CC; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 59 Temple Place - Suite 330,
  21 Boston, MA 02111-1307, USA.  */
  22
  23
  24 /* #defines that need visibility everywhere.  */
  25 #define FALSE 0
  26 #define TRUE 1
  27
  28 /* This describes the machine the compiler is hosted on.  */
  29 #define HOST_BITS_PER_CHAR 8
  30 #define HOST_BITS_PER_SHORT 16
  31 #define HOST_BITS_PER_INT 32
  32 #define HOST_BITS_PER_LONG 32
  33 #if 0
  34 #define HOST_BITS_PER_LONGLONG 64
  35 #endif
  36
  37 /* Doubles are stored in memory with the high order word first.  This
  38    matters when cross-compiling.  */
  39 #define HOST_WORDS_BIG_ENDIAN 1
  40
  41 /* target machine dependencies.
  42    tm.h is a symbolic link to the actual target specific file.   */
  43 #include "tm.h"
  44
  45 /* Arguments to use with `exit'.  */
  46 #define SUCCESS_EXIT_CODE 0
  47 #define FATAL_EXIT_CODE 33
  48
  49 #ifdef __linux__
  50 #include "xm-linux.h"
  51 #else
  52 #include "xm-svr4.h"
  53 #endif
  54
  55 /* if not compiled with GNU C, use the C alloca and use only int bitfields. */
  56 #ifndef __GNUC__
  57 #define USE_C_ALLOCA
  58 #ifdef __STDC__
  59 extern void *alloca ();
  60 #else
  61 extern char *alloca ();
  62 #endif
  63 #undef ONLY_INT_FIELDS
  64 #define ONLY_INT_FIELDS
  65 #endif
  66
  67 #ifdef __PPC__
  68 #ifndef __STDC__
  69 extern char *malloc (), *realloc (), *calloc ();
  70 #else
  71 extern void *malloc (), *realloc (), *calloc ();
  72 #endif
  73 extern void free ();
  74 #endif