forked from Github/emacs
125 lines
4.1 KiB
C
125 lines
4.1 KiB
C
/* machine description file for Data General AViiON.
|
|
Copyright (C) 1985, 1986, 1991, 2002 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. */
|
|
|
|
|
|
/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
|
|
is the most significant byte. */
|
|
|
|
#define WORDS_BIG_ENDIAN
|
|
|
|
/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
|
|
* group of arguments and treat it as an array of the arguments. */
|
|
|
|
#define NO_ARG_ARRAY
|
|
|
|
/* Define WORD_MACHINE if addresses and such have
|
|
* to be corrected before they can be used as byte counts. */
|
|
|
|
#define WORD_MACHINE
|
|
|
|
/* Define DATA_SEG_BITS if pointers need to be corrected with
|
|
a segment field. */
|
|
|
|
#ifdef FIX_ADDRESS
|
|
#define DATA_SEG_BITS 0xef000000
|
|
#endif
|
|
|
|
/* Now define a symbol for the cpu type, if your compiler
|
|
does not define it automatically:
|
|
Ones defined so far include vax, m68000, ns16000, pyramid,
|
|
orion, tahoe, APOLLO and many others */
|
|
|
|
#ifndef m88k
|
|
#define m88k
|
|
#endif
|
|
|
|
/* Use type int rather than a union, to represent Lisp_Object */
|
|
/* This is desirable for most machines. */
|
|
|
|
#define NO_UNION_TYPE
|
|
|
|
/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
|
|
the bit field into an int. In other words, if bit fields
|
|
are always unsigned.
|
|
|
|
If you use NO_UNION_TYPE, this flag does not matter. */
|
|
|
|
#define EXPLICIT_SIGN_EXTEND
|
|
|
|
/* Data type of load average, as read out of kmem. */
|
|
|
|
/* #define LOAD_AVE_TYPE long */
|
|
|
|
/* Convert that into an integer that is 100 for a load average of 1.0 */
|
|
|
|
/* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
|
|
|
|
/* Define CANNOT_DUMP on machines where unexec does not work.
|
|
Then the function dump-emacs will not be defined
|
|
and temacs will do (load "loadup") automatically unless told otherwise. */
|
|
|
|
/* #define CANNOT_DUMP */
|
|
|
|
/* Define VIRT_ADDR_VARIES if the virtual addresses of
|
|
pure and impure space as loaded can vary, and even their
|
|
relative order cannot be relied on.
|
|
|
|
Otherwise Emacs assumes that text space precedes data space,
|
|
numerically. */
|
|
|
|
/* #define VIRT_ADDR_VARIES */
|
|
|
|
#define alloca(x) __builtin_alloca(x)
|
|
|
|
/* Define NO_REMAP if memory segmentation makes it not work well
|
|
to change the boundary between the text section and data section
|
|
when Emacs is dumped. If you define this, the preloaded Lisp
|
|
code will not be sharable; but that's better than failing completely. */
|
|
|
|
#define NO_REMAP
|
|
|
|
/* Define ADDR_CORRECT(ADDR) to be a macro to correct an int which is
|
|
the bit pattern of a pointer to a byte into an int which is the
|
|
number of a byte.
|
|
|
|
This macro has a default definition which is usually right.
|
|
This default definition is a no-op on most machines (where a
|
|
pointer looks like an int) but not on all machines. */
|
|
|
|
#define ADDR_CORRECT(ADDR) ((int)ADDR)
|
|
|
|
/* Cast pointers to this type to compare them. */
|
|
|
|
#define PNTR_COMPARISON_TYPE void *
|
|
|
|
/* Some machines that use COFF executables require that each section
|
|
start on a certain boundary *in the COFF file*. Such machines should
|
|
define SECTION_ALIGNMENT to a mask of the low-order bits that must be
|
|
zero on such a boundary. This mask is used to control padding between
|
|
segments in the COFF file.
|
|
|
|
If SECTION_ALIGNMENT is not defined, the segments are written
|
|
consecutively with no attempt at alignment. This is right for
|
|
unmodified system V. */
|
|
|
|
#define SECTION_ALIGNMENT 0x7
|
|
|
|
/* arch-tag: 9de8e6ed-ddd8-4480-8308-17ddd7c86559
|
|
(do not change this comment) */
|