1 /* alliant.h Alliant machine running system version 2 or 3.
2 Copyright (C) 1985, 1986, 1987, 2001, 2002, 2003, 2004,
3 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
4 Note that for version 1 of the Alliant system
5 you should use alliant1.h instead of this file.
6 Use alliant4.h for version 4.
8 This file is part of GNU Emacs.
10 GNU Emacs is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3, or (at your option)
15 GNU Emacs is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with GNU Emacs; see the file COPYING. If not, write to
22 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
23 Boston, MA 02110-1301, USA. */
25 /* The following line tells the configuration script what sort of
26 operating system this machine is likely to run.
27 USUAL-OPSYS="bsd4-2" */
29 /* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word
30 is the most significant byte. */
32 #define WORDS_BIG_ENDIAN
34 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
35 * group of arguments and treat it as an array of the arguments. */
41 /* Define WORD_MACHINE if addresses and such have
42 * to be corrected before they can be used as byte counts. */
46 /* Now define a symbol for the cpu type, if your compiler
47 does not define it automatically:
48 vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
49 are the ones defined so far. */
53 /* Use type int rather than a union, to represent Lisp_Object */
54 /* This is desirable for most machines. */
58 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
59 the 24-bit bit field into an int. In other words, if bit fields
62 If you use NO_UNION_TYPE, this flag does not matter. */
63 /* On Alliants, bitfields are unsigned. */
65 #define EXPLICIT_SIGN_EXTEND
67 /* No load average information available for Alliants. */
72 /* Define CANNOT_DUMP on machines where unexec does not work.
73 Then the function dump-emacs will not be defined
74 and temacs will do (load "loadup") automatically unless told otherwise. */
78 /* Define VIRT_ADDR_VARIES if the virtual addresses of
79 pure and impure space as loaded can vary, and even their
80 relative order cannot be relied on.
82 Otherwise Emacs assumes that text space precedes data space,
85 #undef VIRT_ADDR_VARIES
87 /* Define NO_REMAP if memory segmentation makes it not work well
88 to change the boundary between the text section and data section
89 when Emacs is dumped. If you define this, the preloaded Lisp
90 code will not be sharable; but that's better than failing completely. */
91 /* Actually, Alliant CONCENTRIX does paging "right":
92 data pages are copy-on-write, which means that the pure data areas
93 are shared automatically and remapping is not necessary. */
97 /* Alliant needs special crt0.o because system version is not reentrant */
99 #define START_FILES crt0.o
101 /* Alliant dependent code for dumping executing image.
102 See crt0.c code for alliant. */
104 #define ADJUST_EXEC_HEADER {\
105 extern int _curbrk, _setbrk;\
107 hdr.a_bss_addr = bss_start;\
108 unexec_text_start = hdr.a_text_addr;}
110 /* cc screws up on long names. Try making cpp replace them. */
113 #define Finsert_abbrev_table_description Finsert_abbrev_table_descrip
114 #define internal_with_output_to_temp_buffer internal_with_output_to_tem
117 /* "vector" is a typedef in /usr/include/machine/reg.h, so its use as
118 a variable name causes errors when compiling under ANSI C. */
120 #define vector xxvector
122 /* arch-tag: 0ad5f932-f29a-4458-a24c-496cafdfd50d
123 (do not change this comment) */