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- $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
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