$OpenBSD: patch-src_m_x86_64_h,v 1.1 2004/02/26 08:19:26 pvalchev Exp $
--- src/m/x86_64.h.orig	2004-02-25 17:44:51.000000000 -0700
+++ src/m/x86_64.h	2004-02-25 17:46:42.000000000 -0700
@@ -0,0 +1,165 @@
+/* machine description file for the X86-64 architecture.
+   Copyright (C) 2000 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.  */
+
+#define BITS_PER_LONG		64
+#define BITS_PER_EMACS_INT	64
+
+/* 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
+
+/* Define WORD_MACHINE if addresses and such have
+   to be corrected before they can be used as byte counts.  */
+
+/* #define WORD_MACHINE */
+
+/* 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 */
+
+/* __x86_64__ 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 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.  */
+#if 0
+#define CANNOT_DUMP
+#endif
+
+/* 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 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
+
+/* Define the following if GNU malloc and the relocating allocator do
+   not work together with X.  */
+
+/* #define SYSTEM_MALLOC */
+
+/* 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 */
+
+/* Some really obscure 4.2-based systems (like Sequent DYNIX) do not
+   support asynchronous I/O (using SIGIO) on sockets, even though it
+   works fine on tty's.  If you have one of these systems, define the
+   following, and then use it in config.h (or elsewhere) to decide
+   when (not) to use SIGIO.
+
+   You'd think this would go in an operating-system description file,
+   but since it only occurs on some, but not all, BSD systems, the
+   reasonable place to select for it is in the machine description
+   file.  */
+
+/* #define NO_SOCK_SIGIO */
+
+#ifdef __ELF__
+#undef UNEXEC
+#define UNEXEC unexelf.o
+#endif
+
+#define PNTR_COMPARISON_TYPE unsigned long
+
+/* On the 64 bit architecture, we can use 60 bits for addresses */
+
+#define VALBITS         60
+
+/* 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)
+
+/* Declare malloc and realloc in a way that is clean.
+   But not in makefiles!  */
+
+#ifndef NOT_C_CODE
+/* We need these because pointers are larger than the default ints.  */
+# if !defined(__NetBSD__) && !defined(__OpenBSD__)
+#  include <alloca.h>
+# else
+#  include <stdlib.h>
+# endif
+
+/* We need to prototype these for the lib-src programs even if we don't
+   use the system malloc for the Emacs proper.  */
+#ifdef _MALLOC_INTERNAL
+/* These declarations are designed to match the ones in gmalloc.c.  */
+#if defined (__STDC__) && __STDC__
+extern void *malloc (), *realloc (), *calloc ();
+#else
+extern char *malloc (), *realloc (), *calloc ();
+#endif
+#else /* not _MALLOC_INTERNAL */
+extern void *malloc (), *realloc (), *calloc ();
+#endif /* not _MALLOC_INTERNAL */
+
+#endif /* not NOT_C_CODE */
+
+#define HAVE_TEXT_START