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

/* machine description file for Sun 4 SPARC.
   Copyright (C) 1987, 2001, 2002, 2003, 2004, 2005,
                 2006, 2007  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, 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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, 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.
429ab54e GM	2	Copyright (C) 1987, 2001, 2002, 2003, 2004, 2005,
429ab54e GM	3	2006, 2007 Free Software Foundation, Inc.
20c428fd JB	4
	5	This file is part of GNU Emacs.
	6
	7	GNU Emacs is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
4a9f99bd	9	the Free Software Foundation; either version 3, or (at your option)
20c428fd JB	10	any later version.
	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
	18	along with GNU Emacs; see the file COPYING. If not, write to
364c38d3 LK	19	the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
364c38d3 LK	20	Boston, MA 02110-1301, USA. */
20c428fd	21
177c0ea7	22	/* The following line tells the configuration script what sort of
20c428fd JB	23	operating system this machine is likely to run.
	24	USUAL-OPSYS="note"
	25
	26	NOTE-START
	27	Use -opsystem=sunos4 for operating system version 4, and
	28	-opsystem=bsd4-2 for earlier versions.
	29	NOTE-END */
	30
74d3f806 KH	31	/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
	32	is the most significant byte. */
	33
	34	#define WORDS_BIG_ENDIAN
	35
20c428fd JB	36	/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
	37	* group of arguments and treat it as an array of the arguments. */
	38
	39	#define NO_ARG_ARRAY
	40
20c428fd JB	41	/* Say this machine is a sparc */
	42
	43	#ifndef sparc
	44	#define sparc
	45	#endif
	46
20c428fd JB	47	/* Use type int rather than a union, to represent Lisp_Object */
	48
	49	#define NO_UNION_TYPE
	50
	51	/* XINT must explicitly sign-extend */
	52
	53	#define EXPLICIT_SIGN_EXTEND
	54
	55	/* Data type of load average, as read out of kmem. */
	56
	57	#define LOAD_AVE_TYPE long
	58
	59	/* Convert that into an integer that is 100 for a load average of 1.0 */
	60
	61	#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
	62
20c428fd JB	63	/* Mask for address bits within a memory segment */
	64
	65	#define SEGMENT_MASK (SEGSIZ - 1)
	66
	67	/* Arrange to link with sun windows, if requested. */
	68	/* For details on emacstool and sunfns, see etc/SUN-SUPPORT */
	69	/* These programs require Sun UNIX 4.2 Release 3.2 or greater */
	70
	71	#ifdef HAVE_SUN_WINDOWS
	72	#define OTHER_FILES ${etcdir}emacstool
	73	#define LIBS_MACHINE -lsuntool -lsunwindow -lpixrect
	74	#define OBJECTS_MACHINE sunfns.o
	75	#define SYMS_MACHINE syms_of_sunfns ()
	76	#define PURESIZE 130000
	77	#endif
	78
61e63089	79	#if !defined (__NetBSD__) && !defined (__linux__) && !defined (__OpenBSD__)
d2d1c35d CH	80	/* This really belongs in s/sun.h. */
d2d1c35d CH	81
20c428fd JB	82	/* Say that the text segment of a.out includes the header;
	83	the header actually occupies the first few bytes of the text segment
	84	and is counted in hdr.a_text. */
	85
	86	#define A_TEXT_OFFSET(HDR) sizeof (HDR)
	87
	88	/* This is the offset of the executable's text, from the start of the file. */
	89
	90	#define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))
d2d1c35d	91
61e63089	92	#endif /* not __NetBSD__ and not __linux__ and not __OpenBSD__ */
ffcd05c3 DL	93
	94	#ifdef __arch64__ /* GCC, 64-bit ABI. */
	95	#define BITS_PER_LONG 64
ffcd05c3 DL	96	#ifndef _LP64
	97	#define _LP64 /* Done on Alpha -- not sure if it
	98	should be here. -- fx */
	99	#endif
	100	#endif
ab5796a9 MB	101
	102	/* arch-tag: 0a6f7882-33fd-4811-9832-7466c51e50f7
	103	(do not change this comment) */