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authorJim Blandy <jimb@redhat.com>1991-12-13 18:49:49 +0000
committerJim Blandy <jimb@redhat.com>1991-12-13 18:49:49 +0000
commit20c428fd9d239eca0a835e3b0fe2629e789ce562 (patch)
treec9dc47c923acc0f7db3dd699bd7e38e7b20893cc /src/m/ns32000.h
parent20a8832d8461fec6001e0f9d09bbb4731c585a84 (diff)
downloademacs-20c428fd9d239eca0a835e3b0fe2629e789ce562.tar.gz
Initial revision
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+/* machine description file for Netional Semiconductor 32000, running Genix.
+ Copyright (C) 1985, 1986 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY. No author or distributor
+accepts responsibility to anyone for the consequences of using it
+or for whether it serves any particular purpose or works at all,
+unless he says so in writing. Refer to the GNU Emacs General Public
+License for full details.
+
+Everyone is granted permission to copy, modify and redistribute
+GNU Emacs, but only under the conditions described in the
+GNU Emacs General Public License. A copy of this license is
+supposed to have been given to you along with GNU Emacs so you
+can know your rights and responsibilities. It should be in a
+file named COPYING. Among other things, the copyright notice
+and this notice must be preserved on all copies. */
+
+
+/* The following line tells the configuration script what sort of
+ operating system this machine is likely to run.
+ USUAL-OPSYS="usg5-2" */
+
+/* The following three symbols give information on
+ the size of various data types. */
+
+#define SHORTBITS 16 /* Number of bits in a short */
+
+#define INTBITS 32 /* Number of bits in an int */
+
+#define LONGBITS 32 /* Number of bits in a long */
+
+/* Define BIG_ENDIAN iff lowest-numbered byte in a word
+ is the most significant byte. */
+
+/* #define 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 */
+
+/* Define how to take a char and sign-extend into an int.
+ On machines where char is signed, this is a no-op. */
+
+#define SIGN_EXTEND_CHAR(c) (c)
+
+/* 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 */
+
+/* Use type int rather than a union, to represent Lisp_Object */
+/* This is desirable for most machines. */
+
+#define NO_UNION_TYPE
+
+/* 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. */
+
+/* #define CANNOT_DUMP */
+
+/* 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 C_ALLOCA */
+/* #define HAVE_ALLOCA */
+
+/* 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 */
+
+#define TEXT_START 0
+
+#define STACK_DIRECTION -1
+
+#define EXEC_MAGIC 0410
+
+#define PURESIZE 140000
+
+#define START_FILES pre-crt0.o /lib/crt0.o