view src/m/7300.h @ 2393:2d4dd2ef74e7

[xemacs-hg @ 2004-11-16 07:37:29 by ben] internals update internals/internals.texi: Add sections on Basic Types and Low-Level Allocation. Move module docs here. Incorporate dynamic array and blocktype docs from source. Add info on beta releases up to present. Redo chapter on "Rules When Writing New C Code", grouping stuff together properly. Put "Major Textual Changes" under this chapter. Incorporate etc/CODING-STANDARDS. Add discussion sections on "Instantiators and Generic Property Accessors" and "Switching to C++". Fill out discussion on garbage collection. Incorporate backtraces showing crashes due to problems with redisplay-critical-section protection.
author ben
date Tue, 16 Nov 2004 07:37:31 +0000
parents ecf1ebac70d8
children
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/* machine description file for AT&T UNIX PC model 7300
   Copyright (C) 1986 Free Software Foundation, Inc.
   Modified for this machine by mtxinu!rtech!gonzo!daveb

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 XEmacs; see the file COPYING.  If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* Synched up with: FSF 19.31. */

/* The following line tells the configuration script what sort of 
   operating system this machine is likely to run.
   USUAL-OPSYS="usg5-2-2"  */

/* Now define a symbol for the cpu type, if your compiler
   does not define it automatically:
   vax, m68000, ns16000 are the ones defined so far.  */

# ifndef mc68k
# define mc68k
# endif
#ifndef m68k
#define m68k
#endif

/* Cause crt0.c to define errno.  */

#define NEED_ERRNO

/* Data type of load average, as read out of kmem.  */
/* These are commented out since it is not supported by this machine.  */
  
/* #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) */

#ifdef __GNUC__

#else

#define SWITCH_ENUM_BUG

#endif

/* We don't have memmove.  */
#define memmove(d, s, n) safe_bcopy (s, d, n)

/* These three lines were new in 18.50.  They were said to permit
   a demand-paged executable, but someone else says they don't work.
   Someone else says they do.  They didn't work because errno was an
   initialized variable in crt0.c, and because of %splimit (also therein),
   both of which have been fixed now. */
#define SECTION_ALIGNMENT 0x03ff
#define SEGMENT_MASK 0xffff
#define LD_SWITCH_MACHINE "-z"

/* Insist on using cc when compiling this.  GCC may have been
   configured to use GAS syntax, which causes problems.  */
#define CRT0_COMPILE "cc -c -O -Demacs"