src/m/stride.h

   1 /* Definitions file for GNU Emacs running on Stride Micro System-V.2.2
   2    Copyright (C) 1985, 1986, 1999, 2001, 2002, 2003, 2004,
   3                  2005, 2006, 2007  Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs 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 Emacs 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 Emacs; see the file COPYING.  If not, write to
  19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22
  23 /* The following line tells the configuration script what sort of
  24    operating system this machine is likely to run.
  25    USUAL-OPSYS="usg5-2"  */
  26
  27 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  28    is the most significant byte.  */
  29
  30 #define WORDS_BIG_ENDIAN
  31
  32 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  33  * group of arguments and treat it as an array of the arguments.  */
  34
  35 #undef NO_ARG_ARRAY
  36
  37 /* Define WORD_MACHINE if addresses and such have
  38  * to be corrected before they can be used as byte counts.  */
  39
  40 #undef WORD_MACHINE
  41
  42 /* Now define a symbol for the cpu type, if your compiler
  43    does not define it automatically:
  44    vax, m68000, ns16000, pyramid, orion, tahoe, APOLLO and STRIDE
  45    are the ones defined so far.  */
  46
  47 #define m68000                  /* because the SGS compiler defines "m68k" */
  48 #ifndef STRIDE
  49 #define STRIDE
  50 #endif
  51
  52 /* Use type int rather than a union, to represent Lisp_Object */
  53 /* This is desirable for most machines.  */
  54
  55 #define NO_UNION_TYPE
  56
  57 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
  58    the 24-bit bit field into an int.  In other words, if bit fields
  59    are always unsigned.
  60
  61    If you use NO_UNION_TYPE, this flag does not matter.  */
  62
  63 #define EXPLICIT_SIGN_EXTEND
  64
  65 /* Data type of load average, as read out of kmem.  */
  66
  67 #define LOAD_AVE_TYPE double
  68
  69 /* Convert that into an integer that is 100 for a load average of 1.0  */
  70
  71 #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
  72
  73 /* Define CANNOT_DUMP on machines where unexec does not work.
  74    Then the function dump-emacs will not be defined
  75    and temacs will do (load "loadup") automatically unless told otherwise.  */
  76
  77 #undef CANNOT_DUMP
  78
  79 /* Define VIRT_ADDR_VARIES if the virtual addresses of
  80    pure and impure space as loaded can vary, and even their
  81    relative order cannot be relied on.
  82
  83    Otherwise Emacs assumes that text space precedes data space,
  84    numerically.  */
  85
  86 #undef VIRT_ADDR_VARIES
  87
  88 /* The STRIDE system is more powerful than standard USG5.  */
  89
  90 #define HAVE_PTYS
  91 #define BSTRING
  92 #define SKTPAIR
  93 #define HAVE_SOCKETS
  94
  95 #define MAIL_USE_FLOCK
  96 #undef TERMINFO
  97 #define EXEC_MAGIC 0413
  98
  99 /* USG wins again: Foo! I can't get SIGIO to work properly on the Stride, because I'm
 100    running a System V variant, and don't have a reliable way to block SIGIO
 101    signals without losing them.  So, I've gone back to non-SIGIO mode, so
 102    please append this line to the file "stride.h":
 103  */
 104 #define BROKEN_SIGIO
 105
 106 /* Specify alignment requirement for start of text and data sections
 107    in the executable file.  */
 108
 109 #define SECTION_ALIGNMENT (getpagesize() - 1)
 110
 111 /*
 112  * UniStride has this in /lib/libc.a.
 113  */
 114 #undef NONSYSTEM_DIR_LIBRARY
 115
 116 /* Define this macro if system defines a type `union wait'.  */
 117
 118 #define HAVE_UNION_WAIT
 119
 120 /* arch-tag: 65c635ed-5bc7-4ace-ab20-f3442429c8ba
 121    (do not change this comment) */