src/m/symmetry.h

   1 /* machine description file for SEQUENT SYMMETRY machines
   2    Copyright (C) 1985, 1986, 2002, 2003, 2004,
   3                  2005 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 /* CHANGE: [Eric H. Herrin II; eric@ms.uky.edu - 15 Sept 1988]
  23  * Modified the sequent.h file for the Sequent Symmetry machine.
  24  * Biggest change was to align the sections in the a.out to 4K
  25  * boundaries (this is the page size).
  26  */
  27
  28
  29 /* NOTICE: this file works for DYNIX release 3.0.12 on Sequent Symmetry
  30  * (Intel 80386) machines.  Hasn't been tested on anything else.
  31  */
  32
  33 /* The following line tells the configuration script what sort of
  34    operating system this machine is likely to run.
  35    USUAL-OPSYS="bsd4-3"  */
  36
  37 #include "intel386.h"
  38
  39 /* Data type of load average, as read out of kmem.  */
  40
  41 #define LOAD_AVE_TYPE unsigned long
  42
  43 /* Convert that into an integer that is 100 for a load average of 1.0  */
  44
  45 #define FSCALE  1000.0
  46 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
  47
  48 /* Name of file the to look in
  49    for the kernel symbol table (for load average) */
  50
  51 #undef KERNEL_FILE
  52 #define KERNEL_FILE "/dynix"
  53
  54 /* Avoids a compiler bug */
  55
  56 #define TAHOE_REGISTER_BUG
  57
  58 /* Say that the text segment of a.out includes the header;
  59    the header actually occupies the first few bytes of the text segment
  60    and is counted in hdr.a_text.  Furthermore, the value written
  61    in the a_text in the file must have N_ADDRADJ added to it.  */
  62
  63 #define A_TEXT_OFFSET(HDR) (sizeof (HDR) + N_ADDRADJ (HDR))
  64
  65 /* This is the offset of the executable's text, from the start of the file.  */
  66
  67 #define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))
  68
  69 /* The file sections in the Symmetry a.out must be on 4K boundaries.
  70  */
  71 #define SEGSIZ 4096
  72 #define SECTION_ALIGNMENT       (SEGSIZ-1)
  73
  74 /* (short) negative-int doesn't sign-extend correctly */
  75 #define SHORT_CAST_BUG
  76
  77 /* Cause compilations to be done in parallel in ymakefile.  */
  78 #define MAKE_PARALLEL &
  79
  80 /* Define how to search all pty names.
  81    This is for Dynix 3.0; delete next 5 definitions for older systems.  */
  82
  83 #define PTY_MAJOR "pqrstuvwPQRSTUVW"
  84 #define PTY_MINOR "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
  85 #define PTY_ITERATION                                   \
  86   register int ma, mi;                                  \
  87   for (ma = 0; ma < sizeof(PTY_MAJOR) - 1; ma++)        \
  88     for (mi = 0; mi < sizeof(PTY_MINOR) - 1; mi++)
  89 #define PTY_NAME_SPRINTF \
  90   sprintf (pty_name, "/dev/pty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]);
  91 #define PTY_TTY_NAME_SPRINTF \
  92   sprintf (pty_name, "/dev/tty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]);
  93
  94 /* arch-tag: 4169a89e-3764-4147-98df-1ba3bdd45a5b
  95    (do not change this comment) */