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

/* machine description file for Sun 4 SPARC.
   Copyright (C) 1987, 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.  */

/* The following line tells the configuration script what sort of
   operating system this machine is likely to run.
   USUAL-OPSYS="note"

NOTE-START
Use -opsystem=sunos4 for operating system version 4, and
-opsystem=bsd4-2 for earlier versions.
NOTE-END  */

/* 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

/* Say this machine is a sparc */

#ifndef sparc
#define sparc
#endif

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

#define NO_UNION_TYPE

/* XINT must explicitly sign-extend */

#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)

/* Mask for address bits within a memory segment */

#define SEGMENT_MASK (SEGSIZ - 1)

/* Arrange to link with sun windows, if requested.  */
/* For details on emacstool and sunfns, see etc/SUN-SUPPORT */
/* These programs require Sun UNIX 4.2 Release 3.2 or greater */

#ifdef HAVE_SUN_WINDOWS
#define OTHER_FILES  ${etcdir}emacstool
#define LIBS_MACHINE -lsuntool -lsunwindow -lpixrect
#define OBJECTS_MACHINE sunfns.o
#define SYMS_MACHINE syms_of_sunfns ()
#define PURESIZE 130000
#endif

#if !defined (__NetBSD__) && !defined (__linux__) && !defined (__OpenBSD__)
/* This really belongs in s/sun.h.  */

/* Say that the text segment of a.out includes the header;
   the header actually occupies the first few bytes of the text segment
   and is counted in hdr.a_text.  */

#define A_TEXT_OFFSET(HDR) sizeof (HDR)

/* This is the offset of the executable's text, from the start of the file.  */

#define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))

#endif /* not __NetBSD__ and not __linux__ and not __OpenBSD__ */

#ifdef __arch64__		/* GCC, 64-bit ABI.  */
#define BITS_PER_LONG 64
#ifndef _LP64
#define _LP64			/* Done on Alpha -- not sure if it
				   should be here.  -- fx */
#endif
#endif

/* arch-tag: 0a6f7882-33fd-4811-9832-7466c51e50f7
   (do not change this comment) */
Commit	Line	Data
20c428fd	1	/* machine description file for Sun 4 SPARC.
d8f6d720	2	Copyright (C) 1987, 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
d5dd7d18	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	20
177c0ea7	21	/* The following line tells the configuration script what sort of
20c428fd JB	22	operating system this machine is likely to run.
	23	USUAL-OPSYS="note"
	24
	25	NOTE-START
	26	Use -opsystem=sunos4 for operating system version 4, and
	27	-opsystem=bsd4-2 for earlier versions.
	28	NOTE-END */
	29
74d3f806 KH	30	/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
	31	is the most significant byte. */
	32
	33	#define WORDS_BIG_ENDIAN
	34
20c428fd JB	35	/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
	36	* group of arguments and treat it as an array of the arguments. */
	37
	38	#define NO_ARG_ARRAY
	39
20c428fd JB	40	/* Say this machine is a sparc */
	41
	42	#ifndef sparc
	43	#define sparc
	44	#endif
	45
20c428fd JB	46	/* Use type int rather than a union, to represent Lisp_Object */
	47
	48	#define NO_UNION_TYPE
	49
	50	/* XINT must explicitly sign-extend */
	51
	52	#define EXPLICIT_SIGN_EXTEND
	53
	54	/* Data type of load average, as read out of kmem. */
	55
	56	#define LOAD_AVE_TYPE long
	57
	58	/* Convert that into an integer that is 100 for a load average of 1.0 */
	59
	60	#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
	61
20c428fd JB	62	/* Mask for address bits within a memory segment */
	63
	64	#define SEGMENT_MASK (SEGSIZ - 1)
	65
	66	/* Arrange to link with sun windows, if requested. */
	67	/* For details on emacstool and sunfns, see etc/SUN-SUPPORT */
	68	/* These programs require Sun UNIX 4.2 Release 3.2 or greater */
	69
	70	#ifdef HAVE_SUN_WINDOWS
	71	#define OTHER_FILES ${etcdir}emacstool
	72	#define LIBS_MACHINE -lsuntool -lsunwindow -lpixrect
	73	#define OBJECTS_MACHINE sunfns.o
	74	#define SYMS_MACHINE syms_of_sunfns ()
	75	#define PURESIZE 130000
	76	#endif
	77
61e63089	78	#if !defined (__NetBSD__) && !defined (__linux__) && !defined (__OpenBSD__)
d2d1c35d CH	79	/* This really belongs in s/sun.h. */
d2d1c35d CH	80
20c428fd JB	81	/* Say that the text segment of a.out includes the header;
	82	the header actually occupies the first few bytes of the text segment
	83	and is counted in hdr.a_text. */
	84
	85	#define A_TEXT_OFFSET(HDR) sizeof (HDR)
	86
	87	/* This is the offset of the executable's text, from the start of the file. */
	88
	89	#define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))
d2d1c35d	90
61e63089	91	#endif /* not __NetBSD__ and not __linux__ and not __OpenBSD__ */
ffcd05c3 DL	92
	93	#ifdef __arch64__ /* GCC, 64-bit ABI. */
	94	#define BITS_PER_LONG 64
ffcd05c3 DL	95	#ifndef _LP64
	96	#define _LP64 /* Done on Alpha -- not sure if it
	97	should be here. -- fx */
	98	#endif
	99	#endif
ab5796a9 MB	100
	101	/* arch-tag: 0a6f7882-33fd-4811-9832-7466c51e50f7
	102	(do not change this comment) */