From 0dc7e4aa40f3cde6b72d6240f32a66dcf2cff0ba Mon Sep 17 00:00:00 2001 From: "Richard M. Stallman" Date: Tue, 31 Oct 1995 08:44:46 +0000 Subject: [PATCH] Initial revision --- src/m/m68k.h | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 src/m/m68k.h diff --git a/src/m/m68k.h b/src/m/m68k.h new file mode 100644 index 00000000000..4430c15db23 --- /dev/null +++ b/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 -- 2.39.2