[bpt/emacs.git] / src / m / m68k.h

/* Machine description file for generic Motorola 68k.
   Copyright (C) 1985, 1995, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
                 2008, 2009, 2010  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 3 of the License, 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.  If not, see <http://www.gnu.org/licenses/>.  */

/* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word
   is the most significant byte.  */

#define WORDS_BIG_ENDIAN

/* Now define a symbol for the cpu type, if your compiler
   does not define it automatically.  */

#ifndef m68k
#define m68k
#endif

/* 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.

   This flag only matters if you use USE_LISP_UNION_TYPE.  */

#define EXPLICIT_SIGN_EXTEND

#ifdef GNU_LINUX
#ifdef __ELF__
#define DATA_SEG_BITS 0x80000000
#endif

#define NO_REMAP
#define TEXT_START 0
#endif

/* arch-tag: 4eadd161-b4e8-4b82-82a1-e4ce7f42969d
   (do not change this comment) */
Commit	Line	Data
0dc7e4aa	1	/* Machine description file for generic Motorola 68k.
eb3d11ef	2	Copyright (C) 1985, 1995, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
114f9c96	3	2008, 2009, 2010 Free Software Foundation, Inc.
0dc7e4aa RS	4
	5	This file is part of GNU Emacs.
	6
eb3d11ef	7	GNU Emacs is free software: you can redistribute it and/or modify
0dc7e4aa	8	it under the terms of the GNU General Public License as published by
eb3d11ef GM	9	the Free Software Foundation, either version 3 of the License, or
eb3d11ef GM	10	(at your option) any later version.
0dc7e4aa RS	11
	12	GNU Emacs is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
eb3d11ef	18	along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
0dc7e4aa	19
22e9fe24	20	/* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word
0dc7e4aa RS	21	is the most significant byte. */
	22
	23	#define WORDS_BIG_ENDIAN
	24
0dc7e4aa RS	25	/* Now define a symbol for the cpu type, if your compiler
	26	does not define it automatically. */
	27
	28	#ifndef m68k
	29	#define m68k
	30	#endif
	31
0dc7e4aa RS	32	/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
	33	the 24-bit bit field into an int. In other words, if bit fields
	34	are always unsigned.
	35
6e5cb96f	36	This flag only matters if you use USE_LISP_UNION_TYPE. */
0dc7e4aa RS	37
	38	#define EXPLICIT_SIGN_EXTEND
	39
7ab56cc4	40	#ifdef GNU_LINUX
0dc7e4aa RS	41	#ifdef __ELF__
	42	#define DATA_SEG_BITS 0x80000000
	43	#endif
	44
	45	#define NO_REMAP
	46	#define TEXT_START 0
	47	#endif
ab5796a9 MB	48
	49	/* arch-tag: 4eadd161-b4e8-4b82-82a1-e4ce7f42969d
	50	(do not change this comment) */