src/m/delta.h

   1 /* machine description file for the Motorola delta running System V.3.
   2    tested on sys1147 (mvme147 - based system).
   3    Copyright (C) 1986 Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is distributed in the hope that it will be useful,
   8 but WITHOUT ANY WARRANTY.  No author or distributor
   9 accepts responsibility to anyone for the consequences of using it
  10 or for whether it serves any particular purpose or works at all,
  11 unless he says so in writing.  Refer to the GNU Emacs General Public
  12 License for full details.
  13
  14 Everyone is granted permission to copy, modify and redistribute
  15 GNU Emacs, but only under the conditions described in the
  16 GNU Emacs General Public License.   A copy of this license is
  17 supposed to have been given to you along with GNU Emacs so you
  18 can know your rights and responsibilities.  It should be in a
  19 file named COPYING.  Among other things, the copyright notice
  20 and this notice must be preserved on all copies.  */
  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="usg5-3"  */
  26
  27 /* The following three symbols give information on
  28  the size of various data types.  */
  29
  30 #define SHORTBITS 16            /* Number of bits in a short */
  31
  32 #define INTBITS 32              /* Number of bits in an int */
  33
  34 #define LONGBITS 32             /* Number of bits in a long */
  35
  36 /* Define BIG_ENDIAN iff lowest-numbered byte in a word
  37    is the most significant byte.  */
  38
  39 #define BIG_ENDIAN
  40
  41 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  42  * group of arguments and treat it as an array of the arguments.  */
  43
  44 /* #define NO_ARG_ARRAY */
  45
  46 /* Define WORD_MACHINE if addresses and such have
  47  * to be corrected before they can be used as byte counts.  */
  48
  49 /* #define WORD_MACHINE */
  50
  51 /* Define how to take a char and sign-extend into an int.
  52    On machines where char is signed, this is a no-op.  */
  53
  54 #define SIGN_EXTEND_CHAR(c) (c)
  55
  56 /* Now define a symbol for the cpu type, if your compiler
  57    does not define it automatically:
  58    vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
  59    are the ones defined so far.  */
  60 #define m68000
  61 #define NO_REMAP
  62
  63 #define HAVE_SYSVIPC
  64
  65 #define HAVE_PTYS
  66 #define SYSV_PTYS
  67
  68 /* Use type int rather than a union, to represent Lisp_Object */
  69 /* This is desirable for most machines.  */
  70
  71 #define NO_UNION_TYPE
  72 #define SWITCH_ENUM_BUG
  73 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
  74    the 24-bit bit field into an int.  In other words, if bit fields
  75    are always unsigned.
  76
  77    If you use NO_UNION_TYPE, this flag does not matter.  */
  78
  79 #define EXPLICIT_SIGN_EXTEND
  80
  81 /* Data type of load average, as read out of kmem.  */
  82
  83 /* #define LOAD_AVE_TYPE long */
  84
  85 /* Convert that into an integer that is 100 for a load average of 1.0  */
  86
  87 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
  88
  89 /* Define CANNOT_DUMP on machines where unexec does not work.
  90    Then the function dump-emacs will not be defined
  91    and temacs will do (load "loadup") automatically unless told otherwise.  */
  92
  93 /* #define CANNOT_DUMP */
  94
  95 /* Define VIRT_ADDR_VARIES if the virtual addresses of
  96    pure and impure space as loaded can vary, and even their
  97    relative order cannot be relied on.
  98
  99    Otherwise Emacs assumes that data space precedes text space,
 100    numerically.  */
 101
 102 /* #define VIRT_ADDR_VARIES */
 103
 104 /* Define C_ALLOCA if this machine does not support a true alloca
 105    and the one written in C should be used instead.
 106    Define HAVE_ALLOCA to say that the system provides a properly
 107    working alloca function and it should be used.
 108    Define neither one if an assembler-language alloca
 109    in the file alloca.s should be used.  */
 110
 111 /*#define C_ALLOCA */
 112 /*#define HAVE_ALLOCA */
 113
 114 #ifdef __GNUC__
 115 /* easy. use builtin one. also be sure that no other ones are tried out. */
 116 # define alloca __builtin_alloca
 117 # define HAVE_ALLOCA
 118 # undef C_ALLOCA
 119 #else
 120 # ifdef C_ALLOCA
 121 #  define STACK_DIRECTION (-1)   /* C_ALLOCA needs to know about stack. */
 122 # else /* C_ALLOCA */
 123 #  ifndef HAVE_ALLOCA
 124 #   define BAT_ALLOCA            /* if not in library, alloca.s needs this. */
 125 #  endif /* HAVE_ALLOCA */
 126 # endif /* C_ALLOCA */
 127 #endif /* __GNUC__ */
 128
 129 /* The standard C library is -lcieee, not -lc.
 130    Also use the PW library, which contains alloca.
 131    DO NOT USE -lPW. That version of alloca is broken, at last until version
 132    SVR3V5.1 . -riku@field.fi */
 133
 134 #define LIB_STANDARD -lc
 135
 136 #define LIBS_TERMCAP -lcurses
 137
 138 /* define this if you want to use X11 */
 139 #undef HAVE_X_WINDOWS
 140
 141 #ifdef HAVE_X_WINDOWS
 142 /* debug switches enabled because of some difficulties w/X11 */
 143 # define C_DEBUG_SWITCH -g
 144 # define OBJECTS_MACHINE -lg
 145 # define C_OPTIMIZE_SWITCH
 146 # define CANNOT_DUMP
 147 /*# define XDEBUG*/
 148 # define X11
 149 /* X library implements these. */
 150 # define BSTRING
 151 /* X library is in 'nonstandard' location. */
 152 # define LD_SWITCH_MACHINE -L/usr/lib/X11/
 153 #else
 154 /* No sufficient justification for this.  */
 155 /* # define C_DEBUG_SWITCH */
 156 # define C_OPTIMIZE_SWITCH -O
 157 #endif /* HAVE_X_WINDOWS */
 158
 159 /* enable batdevice-dependent code to compile. */
 160 #define BAT68K
 161
 162 #define HAVE_SOCKETS
 163
 164 /* crt0.c should use the vax-bsd style of entry, with no dummy args.  */
 165
 166
 167 /* emacs's magic number isn't temacs's;
 168    temacs is writeable text (the default!).  */