1/* machine description file for the IA-64 architecture.
2   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005,
3                 2006, 2007  Free Software Foundation, Inc.
4     Contributed by David Mosberger <davidm@hpl.hp.com>
5
6This file is part of GNU Emacs.
7
8GNU Emacs is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2, or (at your option)
11any later version.
12
13GNU Emacs is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with GNU Emacs; see the file COPYING.  If not, write to
20the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21Boston, MA 02110-1301, USA.  */
22
23#define BITS_PER_LONG		64
24#define BITS_PER_EMACS_INT	64
25
26/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
27   is the most significant byte.  */
28
29#undef WORDS_BIG_ENDIAN
30
31/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
32   group of arguments and treat it as an array of the arguments.  */
33
34#define NO_ARG_ARRAY
35
36/* Define WORD_MACHINE if addresses and such have
37   to be corrected before they can be used as byte counts.  */
38
39/* #define WORD_MACHINE */
40
41/* Now define a symbol for the cpu type, if your compiler
42   does not define it automatically:
43   Ones defined so far include vax, m68000, ns16000, pyramid,
44   orion, tahoe, APOLLO and many others */
45
46/* __ia64__ defined automatically */
47
48
49/* Use type EMACS_INT rather than a union, to represent Lisp_Object */
50/* This is desirable for most machines.  */
51
52#define NO_UNION_TYPE
53
54/* Define the type to use.  */
55#define EMACS_INT		long
56#define EMACS_UINT		unsigned long
57#define SPECIAL_EMACS_INT
58
59/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
60   the 24-bit bit field into an int.  In other words, if bit fields
61   are always unsigned.
62
63   If you use NO_UNION_TYPE, this flag does not matter.  */
64
65#define EXPLICIT_SIGN_EXTEND
66
67/* Data type of load average, as read out of kmem.  */
68
69#define LOAD_AVE_TYPE		long
70
71/* Convert that into an integer that is 100 for a load average of 1.0  */
72
73#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
74
75/* Define CANNOT_DUMP on machines where unexec does not work.
76   Then the function dump-emacs will not be defined
77   and temacs will do (load "loadup") automatically unless told otherwise.  */
78#if 0
79#define CANNOT_DUMP
80#endif
81
82/* Define VIRT_ADDR_VARIES if the virtual addresses of
83   pure and impure space as loaded can vary, and even their
84   relative order cannot be relied on.
85
86   Otherwise Emacs assumes that text space precedes data space,
87   numerically.  */
88
89/* #define VIRT_ADDR_VARIES */
90
91/* Define the following if GNU malloc and the relocating allocator do
92   not work together with X.  */
93
94/* #define SYSTEM_MALLOC */
95
96/* Define NO_REMAP if memory segmentation makes it not work well
97   to change the boundary between the text section and data section
98   when Emacs is dumped.  If you define this, the preloaded Lisp
99   code will not be sharable; but that's better than failing completely.  */
100
101/* #define NO_REMAP */
102
103/* Some really obscure 4.2-based systems (like Sequent DYNIX) do not
104   support asynchronous I/O (using SIGIO) on sockets, even though it
105   works fine on tty's.  If you have one of these systems, define the
106   following, and then use it in config.h (or elsewhere) to decide
107   when (not) to use SIGIO.
108
109   You'd think this would go in an operating-system description file,
110   but since it only occurs on some, but not all, BSD systems, the
111   reasonable place to select for it is in the machine description
112   file.  */
113
114/* #define NO_SOCK_SIGIO */
115
116#ifdef __ELF__
117#undef UNEXEC
118#define UNEXEC unexelf.o
119#endif
120
121#define PNTR_COMPARISON_TYPE unsigned long
122
123#ifndef NOT_C_CODE
124
125#ifdef REL_ALLOC
126#ifndef _MALLOC_INTERNAL
127/* "char *" because ralloc.c defines it that way.  gmalloc.c thinks it
128   is allowed to prototype these as "void *" so we don't prototype in
129   that case.  You're right: it stinks!  */
130extern char *r_alloc (), *r_re_alloc ();
131extern void r_alloc_free ();
132#endif /* not _MALLOC_INTERNAL */
133#endif /* REL_ALLOC */
134
135#endif /* not NOT_C_CODE */
136
137#define HAVE_TEXT_START
138
139/* arch-tag: 9b8e9fb2-2e49-4c22-b68f-11a488e77c66
140   (do not change this comment) */
141