gcc/config/sparc/xm-sparc.h

   1 /* Configuration for GNU C-compiler for Sun Sparc.
   2    Copyright (C) 1988 Free Software Foundation, Inc.
   3    Contributed by Michael Tiemann (tiemann@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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21
  22 /* #defines that need visibility everywhere.  */
  23 #define FALSE 0
  24 #define TRUE 1
  25
  26 /* This describes the machine the compiler is hosted on.  */
  27 #define HOST_BITS_PER_CHAR 8
  28 #define HOST_BITS_PER_SHORT 16
  29 #define HOST_BITS_PER_INT 32
  30 #define HOST_BITS_PER_LONG 32
  31 #define HOST_BITS_PER_LONGLONG 64
  32
  33 /* Doubles are stored in memory with the high order word first.  This
  34    matters when cross-compiling.  */
  35 #define HOST_WORDS_BIG_ENDIAN 1
  36
  37 /* target machine dependencies.
  38    tm.h is a symbolic link to the actual target specific file.   */
  39 #include "tm.h"
  40
  41 /* Arguments to use with `exit'.  */
  42 #define SUCCESS_EXIT_CODE 0
  43 #define FATAL_EXIT_CODE 33
  44
  45 /* If compiled with Sun CC, the use of alloca requires this #include.  */
  46 #ifndef __GNUC__
  47 #include "alloca.h"
  48 #endif
  49
  50 /* If compiled with GNU C, use the built-in alloca.  */
  51 #ifdef __GNUC__
  52 /* Use an arg in this macro because that's what some other
  53    system does--let's avoid conflict.  */
  54 #define alloca(x) __builtin_alloca(x)
  55 #endif