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

/* machine description file for clipper
   Copyright (C) 1985, 1986, 2002 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, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */


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

#undef 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 */

#define clipper 1

/* Use type int rather than a union, to represent Lisp_Object */

#define NO_UNION_TYPE

/* crt0.c should define a symbol `start' and do .globl with a dot.  */

#define DOT_GLOBAL_START

/* 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 */

/* USG systems I know of running on Vaxes do not actually
   support the load average, so disable it for them.  */

/* Data type of load average, as read out of kmem.  */

#define LOAD_AVE_TYPE double

/* Convert that into an integer that is 100 for a load average of 1.0  */

#define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))

/* 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 */  /* Karl Kleinpaste says this isn't needed.  */

/* 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 */

#ifdef USG
#define TEXT_START 0
#endif /* USG */

#define LD_TEXT_START_ADDR 8000

/* arch-tag: 2f7981c1-7018-4a1e-b7b6-b2900de36a04
   (do not change this comment) */
Commit	Line	Data
20c428fd	1	/* machine description file for clipper
d8f6d720	2	Copyright (C) 1985, 1986, 2002 Free Software Foundation, Inc.
20c428fd JB	3
	4	This file is part of GNU Emacs.
	5
	6	GNU Emacs is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
17385adc	8	the Free Software Foundation; either version 2, or (at your option)
20c428fd JB	9	any later version.
	10
	11	GNU Emacs is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with GNU Emacs; see the file COPYING. If not, write to
3b7ad313 EN	18	the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
3b7ad313 EN	19	Boston, MA 02111-1307, USA. */
20c428fd JB	20
20c428fd JB	21
74d3f806 KH	22	/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
	23	is the most significant byte. */
	24
	25	#undef WORDS_BIG_ENDIAN
	26
20c428fd JB	27	/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
	28	* group of arguments and treat it as an array of the arguments. */
	29
	30	#define NO_ARG_ARRAY
	31
	32	/* Define WORD_MACHINE if addresses and such have
	33	* to be corrected before they can be used as byte counts. */
	34
	35	/* #define WORD_MACHINE */
	36
20c428fd JB	37	/* Now define a symbol for the cpu type, if your compiler
	38	does not define it automatically */
	39
	40	#define clipper 1
	41
	42	/* Use type int rather than a union, to represent Lisp_Object */
	43
	44	#define NO_UNION_TYPE
	45
	46	/* crt0.c should define a symbol `start' and do .globl with a dot. */
	47
	48	#define DOT_GLOBAL_START
	49
	50	/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
	51	the 24-bit bit field into an int. In other words, if bit fields
	52	are always unsigned.
	53
	54	If you use NO_UNION_TYPE, this flag does not matter. */
	55
	56	/* #define EXPLICIT_SIGN_EXTEND */
	57
	58	/* USG systems I know of running on Vaxes do not actually
	59	support the load average, so disable it for them. */
	60
	61	/* Data type of load average, as read out of kmem. */
	62
	63	#define LOAD_AVE_TYPE double
	64
	65	/* Convert that into an integer that is 100 for a load average of 1.0 */
	66
	67	#define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
	68
	69	/* Define CANNOT_DUMP on machines where unexec does not work.
	70	Then the function dump-emacs will not be defined
	71	and temacs will do (load "loadup") automatically unless told otherwise. */
	72	/* #define CANNOT_DUMP */
	73
	74	/* Define VIRT_ADDR_VARIES if the virtual addresses of
	75	pure and impure space as loaded can vary, and even their
	76	relative order cannot be relied on.
	77
	78	Otherwise Emacs assumes that text space precedes data space,
	79	numerically. */
	80
	81	/* #define VIRT_ADDR_VARIES / / Karl Kleinpaste says this isn't needed. */
	82
20c428fd JB	83	/* Define NO_REMAP if memory segmentation makes it not work well
	84	to change the boundary between the text section and data section
	85	when Emacs is dumped. If you define this, the preloaded Lisp
	86	code will not be sharable; but that's better than failing completely. */
	87
	88	/* #define NO_REMAP */
	89
	90	#ifdef USG
	91	#define TEXT_START 0
	92	#endif /* USG */
	93
	94	#define LD_TEXT_START_ADDR 8000
6b61353c KH	95
	96	/* arch-tag: 2f7981c1-7018-4a1e-b7b6-b2900de36a04
	97	(do not change this comment) */