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128 lines
4 KiB
C
128 lines
4 KiB
C
/* RTPC machine dependent defines
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Copyright (C) 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 2, 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, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, 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="bsd4-2" */
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/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
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is the most significant byte. */
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#define WORDS_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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#define ibmrt
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#define romp /* unfortunately old include files are hanging around. */
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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 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 double /* For AIS (sysV) */
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/* Convert that into an integer that is 100 for a load average of 1.0 */
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#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0)
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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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#undef 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 HAVE_ALLOCA
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/* The data segment in this machine starts at a fixed address.
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An address of data cannot be stored correctly in a Lisp object;
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we always lose the high bits. We must tell XPNTR to add them back. */
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#define DATA_SEG_BITS 0x10000000
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#define DATA_START 0x10000000
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/* The text segment always starts at a fixed address.
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This way we don't need to have a label _start defined. */
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#define TEXT_START 0
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/* Taking a pointer to a char casting it as int pointer */
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/* and then taking the int which the int pointer points to */
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/* is practically guaranteed to give erroneous results */
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#define NEED_ERRNO
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#define SKTPAIR
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/* BSD has BSTRING. */
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#define BSTRING
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/* Special switches to give the C compiler. */
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#ifndef __GNUC__
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#define C_SWITCH_MACHINE -Dalloca=_Alloca
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#endif
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/* Don't attempt to relabel some of the data as text when dumping.
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It does not work because their virtual addresses are not consecutive.
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This enables us to use the standard crt0.o. */
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#define NO_REMAP
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/* Use the bitmap files that come with Emacs. */
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#define EMACS_BITMAP_FILES
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