src/m/sparc.h

   1 /* machine description file for Sun 4 SPARC.
   2
   3 Copyright (C) 1987, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
   4   2009, 2010  Free Software Foundation, Inc.
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs 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 3 of the License, or
  11 (at your option) any later version.
  12
  13 GNU Emacs 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 Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 /* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word
  22    is the most significant byte.  */
  23 #define WORDS_BIG_ENDIAN
  24
  25 /* __sparc__ is defined by the compiler by default.  */
  26
  27 /* XINT must explicitly sign-extend
  28    This flag only matters if you use USE_LISP_UNION_TYPE.  */
  29 #define EXPLICIT_SIGN_EXTEND
  30
  31 /* Data type of load average, as read out of kmem.  */
  32 #define LOAD_AVE_TYPE long
  33
  34 /* Convert that into an integer that is 100 for a load average of 1.0  */
  35 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
  36
  37 #ifdef __arch64__               /* GCC, 64-bit ABI.  */
  38
  39 #define BITS_PER_LONG 64
  40
  41 #ifndef _LP64
  42 #define _LP64 /* Done on Alpha -- not sure if it should be here.  -- fx */
  43 #endif
  44
  45 #endif  /* __arch64__ */
  46
  47 /* arch-tag: 0a6f7882-33fd-4811-9832-7466c51e50f7
  48    (do not change this comment) */