/* machine description file for SEQUENT SYMMETRY machines Copyright (C) 1985, 1986 Free Software Foundation, Inc. This file is part of GNU Emacs. GNU Emacs is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Emacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Emacs; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* CHANGE: [Eric H. Herrin II; eric@ms.uky.edu - 15 Sept 1988] * Modified the sequent.h file for the Sequent Symmetry machine. * Biggest change was to align the sections in the a.out to 4K * boundaries (this is the page size). */ /* NOTICE: this file works for DYNIX release 3.0.12 on Sequent Symmetry * (Intel 80386) machines. Hasn't been tested on anything else. */ /* The following line tells the configuration script what sort of operating system this machine is likely to run. USUAL-OPSYS="bsd4-3" */ #include "intel386.h" /* Data type of load average, as read out of kmem. */ #define LOAD_AVE_TYPE unsigned long /* Convert that into an integer that is 100 for a load average of 1.0 */ #define FSCALE 1000.0 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) /* Define C_ALLOCA if this machine does not support a true alloca and the one written in C should be used instead. Define HAVE_ALLOCA to say that the system provides a properly working alloca function and it should be used. Define neither one if an assembler-language alloca in the file alloca.s should be used. */ /* #define C_ALLOCA */ /*#define HAVE_ALLOCA*/ /* Name of file the to look in for the kernel symbol table (for load average) */ #undef KERNEL_FILE #define KERNEL_FILE "/dynix" /* Avoids a compiler bug */ #define TAHOE_REGISTER_BUG /* Say that the text segment of a.out includes the header; the header actually occupies the first few bytes of the text segment and is counted in hdr.a_text. Furthermore, the value written in the a_text in the file must have N_ADDRADJ added to it. */ #define A_TEXT_OFFSET(HDR) (sizeof (HDR) + N_ADDRADJ (HDR)) /* This is the offset of the executable's text, from the start of the file. */ #define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr)) /* The file sections in the Symmetry a.out must be on 4K boundaries. */ #define SEGSIZ 4096 #define SECTION_ALIGNMENT (SEGSIZ-1) /* (short) negative-int doesn't sign-extend correctly */ #define SHORT_CAST_BUG /* Cause compilations to be done in parallel in ymakefile. */ #define MAKE_PARALLEL & /* Define how to search all pty names. This is for Dynix 3.0; delete next 5 definitions for older systems. */ #define PTY_MAJOR "pqrstuvwPQRSTUVW" #define PTY_MINOR "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" #define PTY_ITERATION \ register int ma, mi; \ for (ma = 0; ma < sizeof(PTY_MAJOR) - 1; ma++) \ for (mi = 0; mi < sizeof(PTY_MINOR) - 1; mi++) #define PTY_NAME_SPRINTF \ sprintf (pty_name, "/dev/pty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]); #define PTY_TTY_NAME_SPRINTF \ sprintf (pty_name, "/dev/tty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]);