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

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

#ifdef __GNUC__
# define C_OPTIMIZE_SWITCH -O
#else
     /* This level of optimization is reported to work.  */
# define C_OPTIMIZE_SWITCH -O2
#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)

/* Define C_ALLOCA if this machine does not support a true alloca
   and the one written in C should be used instead.
   Define HAVE_ALLOCA to say that the system provides a properly
   working alloca function and it should be used.
   Define neither one if an assembler-language alloca
   in the file alloca.s should be used.  */

#define HAVE_ALLOCA
#ifndef NOT_C_CODE
#if __GNUC__ < 2 /* Modern versions of GCC handle alloca directly.  */
#include <alloca.h>
#endif
#endif

/* Must use the system's termcap, if we use any termcap.
   It does special things.  */

#ifndef TERMINFO
#define LIBS_TERMCAP -ltermcap
#endif

/* 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__ */
Commit	Line	Data
20c428fd JB	1	/* machine description file for Sun 4 SPARC.
	2	Copyright (C) 1987 Free Software Foundation, Inc.
	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 JB	20
	21	/* The following line tells the configuration script what sort of
	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
	46	#ifdef __GNUC__
	47	# define C_OPTIMIZE_SWITCH -O
	48	#else
	49	/* This level of optimization is reported to work. */
	50	# define C_OPTIMIZE_SWITCH -O2
	51	#endif
	52
	53	/* Use type int rather than a union, to represent Lisp_Object */
	54
	55	#define NO_UNION_TYPE
	56
	57	/* XINT must explicitly sign-extend */
	58
	59	#define EXPLICIT_SIGN_EXTEND
	60
	61	/* Data type of load average, as read out of kmem. */
	62
	63	#define LOAD_AVE_TYPE long
	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) (((double) (x)) * 100.0 / FSCALE)
	68
	69	/* Define C_ALLOCA if this machine does not support a true alloca
	70	and the one written in C should be used instead.
	71	Define HAVE_ALLOCA to say that the system provides a properly
	72	working alloca function and it should be used.
	73	Define neither one if an assembler-language alloca
	74	in the file alloca.s should be used. */
	75
	76	#define HAVE_ALLOCA
92ccb044	77	#ifndef NOT_C_CODE
d5dd7d18	78	#if __GNUC__ < 2 /* Modern versions of GCC handle alloca directly. */
20c428fd	79	#include <alloca.h>
88f3b4fc	80	#endif
92ccb044	81	#endif
20c428fd	82
55f0149e RS	83	/* Must use the system's termcap, if we use any termcap.
55f0149e RS	84	It does special things. */
20c428fd	85
55f0149e	86	#ifndef TERMINFO
20c428fd	87	#define LIBS_TERMCAP -ltermcap
55f0149e	88	#endif
20c428fd JB	89
	90	/* Mask for address bits within a memory segment */
	91
	92	#define SEGMENT_MASK (SEGSIZ - 1)
	93
	94	/* Arrange to link with sun windows, if requested. */
	95	/* For details on emacstool and sunfns, see etc/SUN-SUPPORT */
	96	/* These programs require Sun UNIX 4.2 Release 3.2 or greater */
	97
	98	#ifdef HAVE_SUN_WINDOWS
	99	#define OTHER_FILES ${etcdir}emacstool
	100	#define LIBS_MACHINE -lsuntool -lsunwindow -lpixrect
	101	#define OBJECTS_MACHINE sunfns.o
	102	#define SYMS_MACHINE syms_of_sunfns ()
	103	#define PURESIZE 130000
	104	#endif
	105
61e63089	106	#if !defined (__NetBSD__) && !defined (__linux__) && !defined (__OpenBSD__)
d2d1c35d CH	107	/* This really belongs in s/sun.h. */
d2d1c35d CH	108
20c428fd JB	109	/* Say that the text segment of a.out includes the header;
	110	the header actually occupies the first few bytes of the text segment
	111	and is counted in hdr.a_text. */
	112
	113	#define A_TEXT_OFFSET(HDR) sizeof (HDR)
	114
	115	/* This is the offset of the executable's text, from the start of the file. */
	116
	117	#define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))
d2d1c35d	118
61e63089	119	#endif /* not __NetBSD__ and not __linux__ and not __OpenBSD__ */