src/m/powerpcle.h

   1 /* machine description file for PowerPC.
   2    Copyright (C) 1987 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 /* The following line tells the configuration script what sort of
  21    operating system this machine is likely to run.
  22    USUAL-OPSYS="Solaris2.5.1 Windows/NT AIX 4.1.2"
  23 */
  24
  25 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  26    is the most significant byte.  */
  27
  28 #undef WORDS_BIG_ENDIAN
  29
  30 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  31  * group of arguments and treat it as an array of the arguments.  */
  32
  33 #define NO_ARG_ARRAY
  34
  35 /* Say this machine is a PowerPC Refernce Platform */
  36
  37 #ifndef prep
  38 #define prep
  39 #endif
  40
  41 /* Use type int rather than a union, to represent Lisp_Object */
  42
  43 #define NO_UNION_TYPE
  44
  45 /* XINT must explicitly sign-extend */
  46
  47 #define EXPLICIT_SIGN_EXTEND
  48
  49 /* Data type of load average, as read out of kmem.  */
  50
  51 #define LOAD_AVE_TYPE long
  52
  53 /* Convert that into an integer that is 100 for a load average of 1.0  */
  54
  55 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
  56
  57 /* Define C_ALLOCA if this machine does not support a true alloca
  58    and the one written in C should be used instead.
  59    Define HAVE_ALLOCA to say that the system provides a properly
  60    working alloca function and it should be used.
  61    Define neither one if an assembler-language alloca
  62    in the file alloca.s should be used.  */
  63
  64 #define HAVE_ALLOCA
  65 #ifndef NOT_C_CODE
  66 #if __GNUC__ < 2 /* Modern versions of GCC handle alloca directly.  */
  67 #include <alloca.h>
  68 #endif
  69 #endif
  70
  71 /* Control a conditional in unexelf.c.  */
  72 #define SOLARIS_POWERPC