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

/* machine description file for AT&T UNIX PC model 7300
   Copyright (C) 1986 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, 675 Mass Ave, Cambridge, MA 02139, 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 */


/* The following three symbols give information on
 the size of various data types.  */

#define SHORTBITS 16		/* Number of bits in a short */

#define INTBITS 32		/* Number of bits in an int */

#define LONGBITS 32		/* Number of bits in a long */

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

#define 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) */

#ifdef __GNUC__

#define HAVE_ALLOCA

#else

#define SWITCH_ENUM_BUG
#define C_ALLOCA
#define STACK_DIRECTION -1

#endif

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

#define HAVE_SYSVIPC
#define USE_UTIME

/* 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 JB	1	/* machine description file for AT&T UNIX PC model 7300
	2	Copyright (C) 1986 Free Software Foundation, Inc.
	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
	19	the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
	20
	21
	22	/* The following line tells the configuration script what sort of
	23	operating system this machine is likely to run.
	24	USUAL-OPSYS="usg5-2-2" */
	25
	26	/* Supposedly now these machines have flexnames.
	27
	28	/* # define SHORTNAMES */
	29
	30
	31	/* The following three symbols give information on
	32	the size of various data types. */
	33
	34	#define SHORTBITS 16 /* Number of bits in a short */
	35
	36	#define INTBITS 32 /* Number of bits in an int */
	37
	38	#define LONGBITS 32 /* Number of bits in a long */
	39
	40	/* Define BIG_ENDIAN iff lowest-numbered byte in a word
	41	is the most significant byte. */
	42
	43	#define BIG_ENDIAN
	44
	45	/* XINT must explicitly sign-extend */
	46
	47	#define EXPLICIT_SIGN_EXTEND
	48
20c428fd JB	49	/* Use type int rather than a union, to represent Lisp_Object */
	50
	51	#define NO_UNION_TYPE
	52
	53	/* Now define a symbol for the cpu type, if your compiler
	54	does not define it automatically:
	55	vax, m68000, ns16000 are the ones defined so far. */
	56
	57	# ifndef mc68k
	58	# define mc68k
	59	# endif
	60	#ifndef m68k
	61	#define m68k
	62	#endif
	63
	64	/* Cause crt0.c to define errno. */
	65
	66	#define NEED_ERRNO
	67
	68	/* Data type of load average, as read out of kmem. */
	69	/* These are commented out since it is not supported by this machine. */
	70
	71	/* #define LOAD_AVE_TYPE long */
	72
	73	/* Convert that into an integer that is 100 for a load average of 1.0 */
	74
	75	/* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0) */
	76
e3a7436e JB	77	#ifdef __GNUC__
	78
	79	#define HAVE_ALLOCA
	80
	81	#else
	82
20c428fd	83	#define SWITCH_ENUM_BUG
e3a7436e JB	84	#define C_ALLOCA
	85	#define STACK_DIRECTION -1
	86
	87	#endif
	88
	89	/* If you have the PD pty driver installed, uncomment the following line. */
	90	/* #define HAVE_PTYS */
	91
	92	#define HAVE_SYSVIPC
	93	#define USE_UTIME
	94
	95	/* We don't have memmove. */
	96	#define memmove(d, s, n) safe_bcopy (s, d, n)
20c428fd JB	97
	98	/* These three lines were new in 18.50. They were said to permit
	99	a demand-paged executable, but someone else says they don't work.
	100	Someone else says they do. They didn't work because errno was an
	101	initialized variable in crt0.c, and because of %splimit (also therein),
	102	both of which have been fixed now. */
	103	#define SECTION_ALIGNMENT 0x03ff
	104	#define SEGMENT_MASK 0xffff
	105	#define LD_SWITCH_MACHINE -z
e3a7436e JB	106
	107	/* Insist on using cc when compiling this. GCC may have been
	108	configured to use GAS syntax, which causes problems. */
df208aaf	109	#define CRT0_COMPILE cc -c -O -Demacs