src/m/tower32v3.h

   1 /* machine description file for the NCR Tower 32 running System V.3.
   2    Copyright (C) 1986, 2002 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, Inc., 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  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 /* 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 /* #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
  40 /* #define 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 and APOLLO
  45    are the ones defined so far.  */
  46 #define m68000
  47
  48 /* Use type int rather than a union, to represent Lisp_Object */
  49 /* This is desirable for most machines.  */
  50
  51 #define NO_UNION_TYPE
  52
  53 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
  54    the bit field into an int.  In other words, if bit fields
  55    are always unsigned.
  56
  57    If you use NO_UNION_TYPE, this flag does not matter.  */
  58
  59 #define EXPLICIT_SIGN_EXTEND
  60
  61 /* Data type of load average, as read out of kmem.  */
  62
  63 /* #define LOAD_AVE_TYPE long */
  64
  65 /* Convert that into an integer that is 100 for a load average of 1.0  */
  66
  67 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
  68
  69 /* Define CANNOT_DUMP on machines where unexec does not work.
  70    Then the function dump-emacs will not be defined
  71    and temacs will do (load "loadup") automatically unless told otherwise.  */
  72
  73 /* #define CANNOT_DUMP */
  74
  75 /* Define VIRT_ADDR_VARIES if the virtual addresses of
  76    pure and impure space as loaded can vary, and even their
  77    relative order cannot be relied on.
  78
  79    Otherwise Emacs assumes that text space precedes data space,
  80    numerically.  */
  81
  82 /* #define VIRT_ADDR_VARIES */
  83
  84 #ifdef __GNUC__
  85 #define C_OPTIMIZE_SWITCH -O -fstrength-reduce -fomit-frame-pointer
  86 #define LIB_STANDARD -lc /lib/crtn.o
  87 #else
  88 /* This section is correct if you do *not* change src/ymakefile so that
  89    CFLAGS includes C_OPTIMIZE_SWITCH rather than C_DEBUG_SWITCH.  */
  90 #define C_DEBUG_SWITCH -g -O0
  91 #define LIB_STANDARD -lc -lPW /lib/crtn.o
  92 /* This section is correct if you do enable C_OPTIMIZE_SWITCH.  */
  93 /* #define C_OPTIMIZE_SWITCH -O2 */
  94 /* #define LIB_STANDARD -lc /lib/crtn.o */
  95 #endif
  96
  97 /* The OS maps the data section far away from the text section.  */
  98 #define NO_REMAP
  99 #define TEXT_START 0
 100 #undef static
 101 #define START_FILES pre-crt0.o /lib/crt1.o
 102
 103 /* The OS has an implementation of symlinks that is semantically different
 104    from BSD, but for some silly reason it partly has the same syntax.  */
 105 #undef S_IFLNK
 106
 107 /* The OS needs stream.h+ptem.h included in sysdep.c.  */
 108 #define NO_SIOCTL_H
 109 #define NEED_PTEM_H
 110
 111 /* arch-tag: 3dff1355-7cb6-49e3-8834-85a369e4ea8f
 112    (do not change this comment) */