[bpt/emacs.git] / src / m / 7300.h

/* machine description file for AT&T UNIX PC model 7300
   Copyright (C) 1986, 2002 Free Software Foundation, Inc.
   Modified for this machine by mtxinu!rtech!gonzo!daveb

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="usg5-2-2"  */

/* Supposedly now these machines have flexnames.

/* # define SHORTNAMES */


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

#define WORDS_BIG_ENDIAN

/* XINT must explicitly sign-extend */

#define EXPLICIT_SIGN_EXTEND

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

#define NO_UNION_TYPE

/* Now define a symbol for the cpu type, if your compiler
   does not define it automatically:
   vax, m68000, ns16000 are the ones defined so far.  */

# ifndef mc68k
# define mc68k
# endif
#ifndef m68k
#define m68k
#endif

/* Cause crt0.c to define errno.  */

#define NEED_ERRNO

/* Data type of load average, as read out of kmem.  */
/* These are commented out since it is not supported by this machine.  */

/* #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) */

#ifndef __GNUC__

#define SWITCH_ENUM_BUG

#endif

/* If you have the PD pty driver installed, uncomment the following line.  */
/* #define HAVE_PTYS */

#define HAVE_SYSVIPC

/* We don't have memmove.  */
#define memmove(d, s, n) safe_bcopy (s, d, n)

/* These three lines were new in 18.50.  They were said to permit
   a demand-paged executable, but someone else says they don't work.
   Someone else says they do.  They didn't work because errno was an
   initialized variable in crt0.c, and because of %splimit (also therein),
   both of which have been fixed now. */
#define SECTION_ALIGNMENT 0x03ff
#define SEGMENT_MASK 0xffff
#define LD_SWITCH_MACHINE -z

/* Insist on using cc when compiling this.  GCC may have been
   configured to use GAS syntax, which causes problems.  */
#define CRT0_COMPILE cc -c -O -Demacs
Commit	Line	Data
20c428fd	1	/* machine description file for AT&T UNIX PC model 7300
d8f6d720	2	Copyright (C) 1986, 2002 Free Software Foundation, Inc.
20c428fd JB	3	Modified for this machine by mtxinu!rtech!gonzo!daveb
	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
17385adc	9	the Free Software Foundation; either version 2, 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
3b7ad313 EN	19	the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
3b7ad313 EN	20	Boston, MA 02111-1307, USA. */
20c428fd JB	21
20c428fd JB	22
177c0ea7	23	/* The following line tells the configuration script what sort of
20c428fd JB	24	operating system this machine is likely to run.
	25	USUAL-OPSYS="usg5-2-2" */
	26
	27	/* Supposedly now these machines have flexnames.
	28
	29	/* # define SHORTNAMES */
	30
	31
74d3f806 KH	32	/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
	33	is the most significant byte. */
	34
	35	#define WORDS_BIG_ENDIAN
	36
20c428fd JB	37	/* XINT must explicitly sign-extend */
	38
	39	#define EXPLICIT_SIGN_EXTEND
	40
20c428fd JB	41	/* Use type int rather than a union, to represent Lisp_Object */
	42
	43	#define NO_UNION_TYPE
	44
	45	/* Now define a symbol for the cpu type, if your compiler
	46	does not define it automatically:
	47	vax, m68000, ns16000 are the ones defined so far. */
	48
	49	# ifndef mc68k
	50	# define mc68k
	51	# endif
	52	#ifndef m68k
	53	#define m68k
	54	#endif
	55
	56	/* Cause crt0.c to define errno. */
	57
	58	#define NEED_ERRNO
	59
	60	/* Data type of load average, as read out of kmem. */
	61	/* These are commented out since it is not supported by this machine. */
177c0ea7	62
20c428fd JB	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) */
	68
d8f6d720	69	#ifndef __GNUC__
e3a7436e	70
20c428fd	71	#define SWITCH_ENUM_BUG
e3a7436e JB	72
	73	#endif
	74
	75	/* If you have the PD pty driver installed, uncomment the following line. */
	76	/* #define HAVE_PTYS */
	77
	78	#define HAVE_SYSVIPC
e3a7436e JB	79
	80	/* We don't have memmove. */
	81	#define memmove(d, s, n) safe_bcopy (s, d, n)
20c428fd JB	82
	83	/* These three lines were new in 18.50. They were said to permit
	84	a demand-paged executable, but someone else says they don't work.
	85	Someone else says they do. They didn't work because errno was an
	86	initialized variable in crt0.c, and because of %splimit (also therein),
	87	both of which have been fixed now. */
	88	#define SECTION_ALIGNMENT 0x03ff
	89	#define SEGMENT_MASK 0xffff
	90	#define LD_SWITCH_MACHINE -z
e3a7436e JB	91
	92	/* Insist on using cc when compiling this. GCC may have been
	93	configured to use GAS syntax, which causes problems. */
df208aaf	94	#define CRT0_COMPILE cc -c -O -Demacs