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Jim Blandy
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244
src/m/dpx2.h
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244
src/m/dpx2.h
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/* machine description for Bull DPX/2 range
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Copyright (C) 1985, 1986 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* The following line tells the configuration script what sort of
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operating system this machine is likely to run.
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USUAL-OPSYS="usg5-3" */
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/*
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* You need to either un-comment one of these lines, or copy one
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* of them to config.h before you include this file.
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* Note that some simply define a constant and others set a value.
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*/
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/* #define ncl_el /* DPX/2 210,220 etc */
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/* #define ncl_mr 1 /* DPX/2 320,340 (and 360,380 ?) */
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/* The following three symbols give information on
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the size of various data types. */
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#define SHORTBITS 16 /* Number of bits in a short */
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#define INTBITS 32 /* Number of bits in an int */
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#define LONGBITS 32 /* Number of bits in a long */
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/* Define BIG_ENDIAN iff lowest-numbered byte in a word
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is the most significant byte. */
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#define BIG_ENDIAN
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/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
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* group of arguments and treat it as an array of the arguments. */
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#define NO_ARG_ARRAY
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/* Define WORD_MACHINE if addresses and such have
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* to be corrected before they can be used as byte counts. */
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/* #define WORD_MACHINE /**/
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/* Now define a symbol for the cpu type, if your compiler
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does not define it automatically:
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Ones defined so far include vax, m68000, ns16000, pyramid,
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orion, tahoe, APOLLO and many others */
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/* /bin/cc on ncl_el and ncl_mr define m68k and mc68000 */
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/* Use type int rather than a union, to represent Lisp_Object */
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/* This is desirable for most machines. */
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#define NO_UNION_TYPE
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/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
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the 24-bit bit field into an int. In other words, if bit fields
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are always unsigned.
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If you use NO_UNION_TYPE, this flag does not matter. */
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#define EXPLICIT_SIGN_EXTEND
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/* Data type of load average, as read out of kmem. */
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#define LOAD_AVE_TYPE long
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/* Convert that into an integer that is 100 for a load average of 1.0 */
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#define FSCALE 1000.0
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#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
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/* Define CANNOT_DUMP on machines where unexec does not work.
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Then the function dump-emacs will not be defined
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and temacs will do (load "loadup") automatically unless told otherwise. */
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/*#define CANNOT_DUMP /**/
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/* Define VIRT_ADDR_VARIES if the virtual addresses of
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pure and impure space as loaded can vary, and even their
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relative order cannot be relied on.
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Otherwise Emacs assumes that text space precedes data space,
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numerically. */
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/* #define VIRT_ADDR_VARIES /**/
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/* Define C_ALLOCA if this machine does not support a true alloca
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and the one written in C should be used instead.
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Define HAVE_ALLOCA to say that the system provides a properly
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working alloca function and it should be used.
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Define neither one if an assembler-language alloca
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in the file alloca.s should be used. */
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#define C_ALLOCA
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/* #define HAVE_ALLOCA /**/
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/* Define NO_REMAP if memory segmentation makes it not work well
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to change the boundary between the text section and data section
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when Emacs is dumped. If you define this, the preloaded Lisp
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code will not be sharable; but that's better than failing completely. */
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#define NO_REMAP
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/*
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* end of the standard macro's
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*/
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/*
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* a neat identifier to handle source mods (if needed)
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*/
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#ifndef DPX2
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#define DPX2
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#endif
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/* Disable support for shared libraries in unexec. */
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#undef USG_SHARED_LIBRARIES
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/*
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* if we use X11, libX11.a has these...
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*/
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#ifdef HAVE_X_WINDOWS
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# undef LIB_X11_LIB
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# define LIB_X11_LIB -lX11
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# undef LIBX11_SYSTEM
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# define LIBX11_SYSTEM -lmalloc -lnsl
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# define BSTRING
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# define HAVE_GETWD
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/*
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* we must have INET loaded so we have sockets
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*/
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# define HAVE_SOCKETS
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#endif /* HAVE_X_WINDOWS */
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/*
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* useful if you have INET loaded
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*/
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#ifdef HAVE_SOCKETS
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# define LIBS_MACHINE -linet
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#endif
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#if (defined(ncl_mr) || defined(ncl_el)) && !defined (NBPC)
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# define NBPC 4096
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#endif
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/*
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* if SIGIO is defined, much of the emacs
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* code assumes we are BSD !!
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*/
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#ifdef SIGIO
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# undef SIGIO
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#endif
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/*
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* a good idea on multi-user systems :-)
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*/
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#define CLASH_DETECTION /* probably a good idea */
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#ifdef SIGTSTP
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/*
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* sysdep.c(sys_suspend) works fine with emacs-18.58
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* and BOS 02.00.45, if you have an earler version
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* of Emacs and/or BOS, or have problems, or just prefer
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* to start a sub-shell rather than suspend-emacs,
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* un-comment out the next line.
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*/
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# undef SIGTSTP /* make suspend-emacs spawn a sub-shell */
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# ifdef NOMULTIPLEJOBS
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# undef NOMULTIPLEJOBS
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# endif
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#endif
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/*
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* no we don't want this at all
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*/
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#ifdef USG_JOBCTRL
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# undef USG_JOBCTRL
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#endif
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/*
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* but we have that
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*/
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#define GETPGRP_NO_ARG
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/*
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* X support _needs_ this
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*/
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#define HAVE_SELECT
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/*
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* and select requires these
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*/
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#define HAVE_TIMEVAL
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#define USE_UTIME
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/* select also needs this header file--but not in ymakefile. */
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#ifndef NOT_C_CODE
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#include <sys/types.h>
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#include <sys/select.h>
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#endif
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#define TEXT_START 0
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/*
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* Define the direction of stack growth.
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*/
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#define STACK_DIRECTION -1
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/* we have termios */
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#undef HAVE_TERMIO
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#define HAVE_TERMIOS
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/* we also have this */
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#define HAVE_PTYS
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#define SYSV_PTYS
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/* It doesn't seem we have sigpause */
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#undef HAVE_SYSV_SIGPAUSE
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/* on bos2.00.45 there is a bug that makes the F_SETOWN fcntl() call
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enters in an infinite loop. Avoid calling it */
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#define F_SETOWN_BUG
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/* end of dpx2.h */
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