Initial revision

src/m/m68k.h

@@ -0,0 +1,88 @@
+/* Machine description file for generic Motorola 68k.
+   Copyright (C) 1985, 1995 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Emacs; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+
+/* The following three symbols give information on
+ the size of various data types.  */
+
+
+/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
+   is the most significant byte.  */
+
+#define WORDS_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 */
+
+/* Now define a symbol for the cpu type, if your compiler
+   does not define it automatically.  */
+
+#ifndef m68k
+#define m68k
+#endif
+
+/* 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
+
+/* 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 */
+
+#ifdef linux
+#ifdef __ELF__
+#define DATA_SEG_BITS 0x80000000
+#endif
+
+#define NO_REMAP
+#define TEXT_START 0
+#endif
+
+/* If compiling with GCC, let GCC implement alloca.  */
+#if defined(__GNUC__) && !defined(alloca)
+#define alloca(n) __builtin_alloca(n)
+#define HAVE_ALLOCA
+#endif