1 /* alliant.h Alliant machine running system version 2 or 3.
2 Copyright (C) 1985, 1986, 1987 Free Software Foundation, Inc.
3 Note that for version 1 of the Alliant system
4 you should use alliant1.h instead of this file.
5 Use alliant4.h for version 4.
7 This file is part of GNU Emacs.
9 GNU Emacs is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2, or (at your option)
14 GNU Emacs is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with XEmacs; see the file COPYING. If not, write to
21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 Boston, MA 02111-1307, USA. */
24 /* Synched up with: FSF 19.31. */
26 /* The following line tells the configuration script what sort of
27 operating system this machine is likely to run.
28 USUAL-OPSYS="bsd4-2" */
30 /* Now define a symbol for the cpu type, if your compiler
31 does not define it automatically:
32 vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
33 are the ones defined so far. */
37 /* No load average information available for Alliants. */
42 /* Define CANNOT_DUMP on machines where unexec does not work.
43 Then the function dump-emacs will not be defined
44 and temacs will do (load "loadup") automatically unless told otherwise. */
48 /* Define VIRT_ADDR_VARIES if the virtual addresses of
49 pure and impure space as loaded can vary, and even their
50 relative order cannot be relied on.
52 Otherwise Emacs assumes that text space precedes data space,
55 #undef VIRT_ADDR_VARIES
57 /* Define C_ALLOCA if this machine does not support a true alloca
58 and the one written in C should be used instead.
59 Define HAVE_ALLOCA to say that the system provides a properly
60 working alloca function and it should be used.
61 Define neither one if an assembler-language alloca
62 in the file alloca.s should be used. */
70 #endif /* ALLIANT_1 */
72 /* Define NO_REMAP if memory segmentation makes it not work well
73 to change the boundary between the text section and data section
74 when Emacs is dumped. If you define this, the preloaded Lisp
75 code will not be sharable; but that's better than failing completely. */
76 /* Actually, Alliant CONCENTRIX does paging "right":
77 data pages are copy-on-write, which means that the pure data areas
78 are shared automatically and remapping is not necessary. */
82 /* Alliant needs special crt0.o because system version is not reentrant */
84 #define START_FILES "crt0.o"
86 /* Alliant dependent code for dumping executing image.
87 See crt0.c code for alliant. */
89 #define ADJUST_EXEC_HEADER {\
90 extern int _curbrk, _setbrk;\
92 hdr.a_bss_addr = bss_start;\
93 unexec_text_start = hdr.a_text_addr;}
95 /* cc screws up on long names. Try making cpp replace them. */
98 #define Finsert_abbrev_table_description Finsert_abbrev_table_descrip
99 #define internal_with_output_to_temp_buffer internal_with_output_to_tem
102 /* "vector" is a typedef in /usr/include/machine/reg.h, so its use as
103 a variable name causes errors when compiling under ANSI C. */
105 #define vector xxvector