1 /* machine description file for Gould PowerNodes with UTX/32 2.0 and 2.1.
2 (See MACHINES for older versions.)
4 * NOTE: If you are running a pre-release of UTX/32 2.1 you should #define
5 * RELEASE2_1 in config.h. This may also be necessary with un-updated
6 * official releases of 2.1
8 Copyright (C) 1986, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
10 This file is part of GNU Emacs.
12 GNU Emacs is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 2, or (at your option)
17 GNU Emacs is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with GNU Emacs; see the file COPYING. If not, write to
24 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
25 Boston, MA 02110-1301, USA. */
28 /* The following line tells the configuration script what sort of
29 operating system this machine is likely to run.
33 Gould Power Node (-machine=gould -opsystem=bsd4-2 or bsd4-3)
34 (gould.h; s-bsd4-2.h or s-bsd4-3.h)
36 18.36 worked on versions 1.2 and 2.0 of the operating system.
38 On UTX/32 2.0, use -opsystem=bsd4-3
40 On UTX/32 1.2 and UTX/32S 1.0, use -opsystem=bsd4-2 and note that compiling
41 lib-src/sorted-doc tickles a compiler bug: remove the -g flag to cc in the
44 UTX/32 1.3 has a bug in the bcopy library routine. Fix it by
45 #undef BSTRING in gould.h.
47 Version 19 incorporates support for releases 2.1 and later of UTX/32.
48 A site running a pre-release of 2.1 should #define RELEASE2_1 in config.h.
51 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
52 is the most significant byte. */
54 #define WORDS_BIG_ENDIAN
56 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
57 * group of arguments and treat it as an array of the arguments. */
61 /* Define WORD_MACHINE if addresses and such have
62 * to be corrected before they can be used as byte counts. */
64 /* #define WORD_MACHINE */
66 /* Now define a symbol for the cpu type, if your compiler
67 does not define it automatically */
73 /* sel is an old preprocessor name on gould machines
74 - it is no longer needed and interferes with a variable in xmenu.c */
77 /* Use type int rather than a union, to represent Lisp_Object */
78 /* This is desirable for most machines. */
82 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
83 the 24-bit bit field into an int. In other words, if bit fields
86 If you use NO_UNION_TYPE, this flag does not matter. */
88 #define EXPLICIT_SIGN_EXTEND
90 /* Data type of load average, as read out of kmem. */
92 #define LOAD_AVE_TYPE double
94 /* Convert that into an integer that is 100 for a load average of 1.0 */
96 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0)
98 /* Define CANNOT_DUMP on machines where unexec does not work.
99 Then the function dump-emacs will not be defined
100 and temacs will do (load "loadup") automatically unless told otherwise. */
102 /* #define CANNOT_DUMP */
104 /* Define VIRT_ADDR_VARIES if the virtual addresses of
105 pure and impure space as loaded can vary, and even their
106 relative order cannot be relied on.
108 Otherwise Emacs assumes that text space precedes data space,
111 #define VIRT_ADDR_VARIES
113 /* No need to extend the user stack. */
115 /* If this is a 2.1 system, COFF will be predefined by cpp. If it's */
116 /* pre-2.1 COFF won't be defined, which is as it should be. */
120 #define HEADER_INCL_IN_TEXT
121 #define COFF_BSD_SYMBOLS
123 /* Seems to be necessary with coff */
127 /* gould-np1.h includes this file */
128 /* keep the old value - don't skip over the headers */
129 #define KEEP_OLD_TEXT_SCNPTR
130 #define KEEP_OLD_PADDR
132 #define ADJUST_TEXTBASE
133 #endif /*RELEASE2_1*/
134 #endif /* GOULD_NP1 */
137 /* make Gould NP and PN COFF look like USG COFF */
139 #define aouthdr old_exec
140 /* PN COFF doesn't have a data_start or a_dtbase field in its */
141 /* optional header, so substitute a junk field */
142 #define a_dtbase a_ccvers
144 #define magic a_magic
148 #define entry a_entry
149 #define text_start a_txbase
150 #define data_start a_dtbase
151 #endif /* IN_UNEXEC */
153 /* Define how to search all pty names.
154 * This is for UTX 2.1 and greater on PN and all NP versions. It is only
155 * accident that this happens to correspond to the same versions of UTX
156 * as COFF does, but we'll take advantage of that here.
159 /*#define USE_PTY_PAIR*/
163 /* -g is sometimes broken on the Gould. */
165 #define C_DEBUG_SWITCH
167 /* Comparing pointers as unsigned ints tickles a bug in older compilers. */
169 #define PNTR_COMPARISON_TYPE int
171 /* The GOULD machine counts the a.out file header as part of the text. */
173 #define A_TEXT_OFFSET(HDR) sizeof (HDR)
175 /* Machine-dependent action when about to dump an executable file. */
178 #define ADJUST_EXEC_HEADER \
179 unexec_text_start = hdr.a_txbase + sizeof (hdr);
182 /* We use the system's crt0.o. Somehow it avoids losing
183 with `environ' the way most standard crt0.o's do. */
185 #define START_FILES pre-crt0.o /lib/crt0.o
187 /* arch-tag: 930cb9ef-f56f-4c06-aea0-5e81103bbf58
188 (do not change this comment) */