code.delx.au - gnu-emacs/blob - src/m/tad68k.h

   1 /* Machine-dependent configuration for GNU Emacs for Tadpole 68k machines
   2    Copyright (C) 1986 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 1, 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
  21 /* The following line tells the configuration script what sort of
  22    operating system this machine is likely to run.
  23    USUAL-OPSYS="usg5-3"  */
  24
  25 /* The following three symbols give information on
  26  the size of various data types.  */
  27
  28 #define SHORTBITS 16            /* Number of bits in a short */
  29
  30 #define INTBITS 32              /* Number of bits in an int */
  31
  32 #define LONGBITS 32             /* Number of bits in a long */
  33
  34 /* Define BIG_ENDIAN iff lowest-numbered byte in a word
  35    is the most significant byte.  */
  36
  37 #define BIG_ENDIAN
  38
  39 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  40  * group of arguments and treat it as an array of the arguments.  */
  41
  42 /* #define NO_ARG_ARRAY */
  43
  44 /* Define WORD_MACHINE if addresses and such have
  45  * to be corrected before they can be used as byte counts.  */
  46
  47 /* #define WORD_MACHINE */
  48
  49 /* Now define a symbol for the cpu type, if your compiler
  50    does not define it automatically */
  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 /* #define LOAD_AVE_TYPE long */
  67
  68 /* Convert that into an integer that is 100 for a load average of 1.0  */
  69
  70 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
  71
  72 /* Define CANNOT_DUMP on machines where unexec does not work.
  73    Then the function dump-emacs will not be defined
  74    and temacs will do (load "loadup") automatically unless told otherwise.  */
  75 /* #define CANNOT_DUMP */
  76
  77 /* Define VIRT_ADDR_VARIES if the virtual addresses of
  78    pure and impure space as loaded can vary, and even their
  79    relative order cannot be relied on.
  80
  81    Otherwise Emacs assumes that text space precedes data space,
  82    numerically.  */
  83
  84 /* #define VIRT_ADDR_VARIES */  /* Karl Kleinpaste says this isn't needed.  */
  85
  86 /* Define C_ALLOCA if this machine does not support a true alloca
  87    and the one written in C should be used instead.
  88    Define HAVE_ALLOCA to say that the system provides a properly
  89    working alloca function and it should be used.
  90    Define neither one if an assembler-language alloca
  91    in the file alloca.s should be used.  */
  92
  93 /* SysV has alloca in the PW library */
  94
  95 #define LIB_STANDARD -lPW -lc
  96 #define HAVE_ALLOCA
  97
  98 /* Define NO_REMAP if memory segmentation makes it not work well
  99    to change the boundary between the text section and data section
 100    when Emacs is dumped.  If you define this, the preloaded Lisp
 101    code will not be sharable; but that's better than failing completely.  */
 102
 103 /* #define NO_REMAP */
 104
 105 /* Use Terminfo, not Termcap.  */
 106
 107 #define TERMINFO
 108
 109 /* TPIX extras */
 110
 111 #define TPIX                            /* used in various source files */
 112 #define BSTRING                         /* we do have the BSTRING functions */
 113 #define CLASH_DETECTION                 /* we want to know about clashes */
 114 #undef ADDR_CORRECT                     /* don't need this bug fix */
 115 #define fchmod                          /* we don't have fchmod() */
 116 #define SECTION_ALIGNMENT (2048-1)      /* 2k boundaries required in unexec */
 117 #define SEGMENT_MASK (128*1024-1)       /* 128k offsets required in unexec */
 118 #define C_DEBUG_SWITCH -O               /* build with -O (TPIX has GCC 1.34) */
 119
 120 #define BROKEN_TIOCGWINSZ               /* Don't try to use TIOCGWINSZ.  */
 121
 122 /* omit next four lines if no TCP installed */
 123
 124 #define select gnu_select               /* avoid select() name clash */
 125 #define HAVE_PTYS                       /* we do have PTYs if we have TCP */
 126 #define HAVE_SOCKETS                    /* we do have sockets if we have TCP */
 127 #define LIBS_SYSTEM -lsocket            /* get TCP networking functions */