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Hi,

This seems to be working (compiled and is editing code).  Also in configure
x86_64-*-netbsd*)  machine=amd64;;
or something like that.

skd


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/* machine description file For the alpha chip.
   Copyright (C) 1994, 1997, 1999 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 1, 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.  */


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

NOTE-START
Use -opsystem=netbsd
NOTE-END

*/

#define BITS_PER_LONG 64
#define BITS_PER_EMACS_INT 64
#ifndef _LP64
#define _LP64			/* This doesn't appear to be necessary
				   on OSF 4/5  -- fx.  */
#endif

/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
   is the most significant byte.  */

#undef 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

/* 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 */

/* __alpha defined automatically */


/* Use type EMACS_INT rather than a union, to represent Lisp_Object */
/* This is desirable for most machines.  */

#define NO_UNION_TYPE

/* Define the type to use.  */
#define EMACS_INT long
#define EMACS_UINT unsigned long
#define SPECIAL_EMACS_INT

/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
   the 24-bit 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 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 HAVE_ALLOCA

/* GNU malloc and the relocating allocator do not work together
   with X.   [Who wrote that?]  */

/* May 1995: reportedly [Rainer Schoepf <schoepf@uni-mainz.de>] both the
   system and the gnu malloc system work with "alpha-dec-osf3.0" and
   "alpha-dec-osf3.2".  */

/* May 1995: it seems to me [Morten Welinder <terra@diku.dk>] that both
   mallocs work with "alpha-dec-osf2.0", but I daren't break anything
   right now.  Feel free to play if you want.  */

/* #define SYSTEM_MALLOC */

#ifdef __ELF__
/* With ELF, make sure that all common symbols get allocated to in the
   data section.  Otherwise, the dump of temacs may miss variables in
   the shared library that have been initialized.  For example, with
   GNU libc, __malloc_initialized would normally be resolved to the
   shared library's .bss section, which is fatal.  */
# ifdef __GNUC__
#  define C_SWITCH_MACHINE	-fno-common
# else
#  error What gives?  Fix me if DEC Unix supports ELF now.
# endif
#endif

#if defined(__OpenBSD__)
#define ORDINARY_LINK
#endif

#ifdef __ELF__
#undef UNEXEC
#define UNEXEC unexelf.o
#endif

#if defined (LINUX) && __GNU_LIBRARY__ - 0 < 6
/* This controls a conditional in main.  */
#define LINUX_SBRK_BUG
#endif


#define PNTR_COMPARISON_TYPE unsigned long

/* On the 64 bit architecture, we can use 60 bits for addresses */

#define VALBITS         60


/* This definition of MARKBIT is necessary because of the comparison of
   ARRAY_MARK_FLAG and MARKBIT in an #if in lisp.h, which cpp doesn't like. */

#define MARKBIT         0x8000000000000000L


/* Define XINT and XUINT so that they can take arguments of type int */

#define XINT(a)  (((long) (a) << (BITS_PER_LONG - VALBITS)) >> (BITS_PER_LONG - VALBITS))
#define XUINT(a) ((long) (a) & VALMASK)

/* Define XPNTR to avoid or'ing with DATA_SEG_BITS */

#define XPNTR(a) XUINT (a)

#ifndef NOT_C_CODE
/* We need these because pointers are larger than the default ints.  */
#if !defined(__NetBSD__) && !defined(__OpenBSD__)
#include <alloca.h>
#endif

#endif /* not NOT_C_CODE */

/* On the Alpha it's best to avoid including TERMIO since struct
   termio and struct termios are mutually incompatible.  */
#define NO_TERMIO

#if (defined (__NetBSD__) || defined (__OpenBSD__)) && defined (__ELF__)
#define HAVE_TEXT_START
#endif


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