code.delx.au - gnu-emacs/blob - src/m/tekxd88.h

   1 /* m- file for Tektronix XD88 running UTekV 3.2e to be used with s-usg5-3.h,
   2    contributed by Kaveh Ghazi  (ghazi@caip.rutgers.edu)  1/15/93.
   3    You probably need to use gnu make (version 3.63 or higher.)
   4    Copyright (C) 1993 Free Software Foundation, Inc.
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is distributed in the hope that it will be useful,
   9 but WITHOUT ANY WARRANTY.  No author or distributor
  10 accepts responsibility to anyone for the consequences of using it
  11 or for whether it serves any particular purpose or works at all,
  12 unless he says so in writing.  Refer to the GNU Emacs General Public
  13 License for full details.
  14
  15 Everyone is granted permission to copy, modify and redistribute
  16 GNU Emacs, but only under the conditions described in the
  17 GNU Emacs General Public License.   A copy of this license is
  18 supposed to have been given to you along with GNU Emacs so you
  19 can know your rights and responsibilities.  It should be in a
  20 file named COPYING.  Among other things, the copyright notice
  21 and this notice must be preserved on all copies.  */
  22
  23 /* The following three symbols give information on
  24  the size of various data types.  */
  25 #define SHORTBITS 16            /* Number of bits in a short */
  26 #define INTBITS 32              /* Number of bits in an int */
  27 #define LONGBITS 32             /* Number of bits in a long */
  28
  29 /* Define BIG_ENDIAN iff lowest-numbered byte in a word
  30    is the most significant byte.  */
  31 #define BIG_ENDIAN
  32
  33 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  34  * group of arguments and treat it as an array of the arguments.  */
  35 #define 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 /* #define WORD_MACHINE */
  40
  41 /* Now define a symbol for the cpu type, if your compiler
  42    does not define it automatically:
  43    Ones defined so far include vax, m68000, ns16000, pyramid,
  44    orion, tahoe, APOLLO and many others */
  45 #ifndef m88000     /* Some 88k C compilers already define this */
  46 #define m88000
  47 #endif
  48
  49 /* Define how to take a char and sign-extend into an int.
  50    On machines where char is signed, this is a no-op.  */
  51 #define SIGN_EXTEND_CHAR(c) (c)
  52
  53 /* Now define a symbol for the cpu type, if your compiler
  54    does not define it automatically.  */
  55
  56
  57 /* Use type int rather than a union, to represent Lisp_Object */
  58 /* This is desirable for most machines.  */
  59 #define NO_UNION_TYPE
  60
  61 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
  62    the 24-bit bit field into an int.  In other words, if bit fields
  63    are always unsigned.
  64
  65    If you use NO_UNION_TYPE, this flag does not matter.  */
  66 /* #define EXPLICIT_SIGN_EXTEND */
  67
  68 /* Data type of load average, as read out of kmem.  */
  69 /* No load average on XD88 machines. */
  70 /* #define LOAD_AVE_TYPE double */
  71
  72 /* Convert that into an integer that is 100 for a load average of 1.0  */
  73 /* #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0)) */
  74
  75 /* Define CANNOT_DUMP on machines where unexec does not work.
  76    Then the function dump-emacs will not be defined
  77    and temacs will do (load "loadup") automatically unless told otherwise.  */
  78 #define CANNOT_DUMP     /* oh well, maybe someday ... */
  79
  80 /* Define VIRT_ADDR_VARIES if the virtual addresses of
  81    pure and impure space as loaded can vary, and even their
  82    relative order cannot be relied on.
  83
  84    Otherwise Emacs assumes that text space precedes data space,
  85    numerically.  */
  86 /* #define VIRT_ADDR_VARIES */
  87
  88 /* Define NO_REMAP if memory segmentation makes it not work well
  89    to change the boundary between the text section and data section
  90    when Emacs is dumped.  If you define this, the preloaded Lisp
  91    code will not be sharable; but that's better than failing completely.  */
  92 #define NO_REMAP
  93
  94 /* Define C_ALLOCA if this machine does not support a true alloca
  95    and the one written in C should be used instead.
  96    Define HAVE_ALLOCA to say that the system provides a properly
  97    working alloca function and it should be used.
  98    Define neither one if an assembler-language alloca
  99    in the file alloca.s should be used.  */
 100 #ifdef __GNUC__
 101 #  define alloca __builtin_alloca       /* Use the gcc builtin alloca() ... */
 102 #  define HAVE_ALLOCA   /* ... and be sure that no other ones are tried out. */
 103 #  undef C_ALLOCA
 104 #  define C_OPTIMIZE_SWITCH -O2
 105 #else /* not __GNUC__ */
 106 #  undef HAVE_ALLOCA
 107 #  define C_ALLOCA      /* Use the alloca() supplied in alloca.c. */
 108 #  define STACK_DIRECTION -1  /* The stack grows towards lower addresses. */
 109 #  define C_OPTIMIZE_SWITCH -O
 110 #endif /* __GNUC__ */
 111
 112 /*#define C_DEBUG_SWITCH C_OPTIMIZE_SWITCH*/  /* Uncomment this to optimize */
 113
 114 /* XD88 SysV has PTYs.  Not all usg3-5 systems do, so this is defined here. */
 115 #define HAVE_PTYS
 116 #define SYSV_PTYS       /* Requires <termios.h> */
 117
 118 /* we have job control */
 119 #undef NOMULTIPLEJOBS
 120
 121 /*
 122  * sockets are available
 123  */
 124 #define HAVE_SOCKETS
 125
 126 /*
 127  * we have Berkeley style <sys/time.h>
 128  */
 129 #define HAVE_TIMEVAL
 130
 131 /* XD88 has select(). */
 132 #define HAVE_SELECT
 133 #define BROKEN_FIONREAD  /* is this needed ? */
 134
 135 /*
 136  * don't use utimes, we ain't got one - use utime() instead
 137  */
 138 #define USE_UTIME
 139
 140 #define NO_SIOCTL_H
 141
 142 /* We need HAVE_TCATTR to prevent Ctrl-Z from suspending Emacs before
 143    suspend-emacs has been called. */
 144 /*#define HAVE_TCATTR*/
 145 /* TCATTR gives bogus baud rates.  Use the following for OSPEED instead. */
 146 /*#define OSPEED(str) (cfgetospeed(&(str)))*/
 147 #define HAVE_TERMIOS
 148 #undef HAVE_TERMIO
 149
 150 #define BSTRING /* its in libc but not declared in any <*.h> file. */
 151 #define HAVE_TZSET
 152 #define HAVE_SETSID
 153 #define HAVE_RENAME
 154
 155 #ifdef ghs      /* Stands for "Green Hills Software", defined in /bin/cc */
 156 /* Only required for use with the Green Hills compiler:
 157         -X18 Do not allocate programmer-defined local variables to a
 158              register unless they are declared register.  (From building
 159              perl-4.036 Green Hills hints.  Might be needed for setjmp.)
 160         */
 161 #define C_SWITCH_MACHINE -X18
 162 /* We need /lib/default.ld so the bundled ld can read its link directives. */
 163 #define LD_SWITCH_SYSTEM /lib/default.ld
 164 #endif /* ghs */
 165
 166 /* XD88 does not have the random() and srandom() calls in the base system,
 167    but they exist in libX11.a.  So, if you are building with X11 then you
 168    will need to define HAVE_RANDOM. */
 169 #ifdef HAVE_X_WINDOWS
 170 #define HAVE_RANDOM
 171 #undef LIB_X11_LIB  /* don't use the shared library default from usg5-3.h */
 172 #undef LIBX11_SYSTEM
 173 #endif /* HAVE_X_WINDOWS */
 174
 175 /*#define SYSTEM_MALLOC*/
 176
 177 #ifndef UTEKV
 178 #define UTEKV  /* system specific symbol */
 179 #endif /* !UTEKV */
 180
 181 /* stuff to hopefully someday get dumping working ... */
 182 /*#define SECTION_ALIGNMENT 0x1ff*/
 183 /*#define SEGMENT_MASK 0xff*/
 184 /*#define A_TEXT_OFFSET(HDR) sizeof(HDR)*/