[bpt/emacs.git] / src / m / ibmps2-aix.h

/* machine description file for ibm ps/2 aix386.
   Copyright (C) 1989, 2002, 2003, 2004, 2005,
                 2006 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., 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=usg5-3 on AIX 1.2.
  -opsystem=usg5-2-2 should work on either AIX 1.1 or 1.2, but may not
  work with certain new X window managers, and may be suboptimal.
NOTE-END */

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

#undef 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 */

/* Define WORD_MACHINE if addresses and such have
 * to be corrected before they can be used as byte counts.  */

/* #define WORD_MACHINE */

/* Now define a symbol for the cpu type, if your compiler
   does not define it automatically:
   Ones defined so far include vax, m68000, ns16000, pyramid,
   orion, tahoe, APOLLO and many others */

#define INTEL386
#define aix386

#define IBMAIX

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

#define NO_UNION_TYPE

/* crt0.c, if it is used, should use the i386-bsd style of entry.
   with no extra dummy args.  On USG and XENIX,
   NO_REMAP says this isn't used. */

#define CRT0_DUMMIES bogus_fp,

/* crt0.c should define a symbol `start' and do .globl with a dot.  */

#define DOT_GLOBAL_START

/* USG systems do not actually support the load average,
so disable it for them.  */

/* Define CANNOT_DUMP on machines where unexec does not work.
   Then the function dump-emacs will not be defined
   and temacs will do (load "loadup") automatically unless told otherwise.  */

/* #define CANNOT_DUMP */

/* Define VIRT_ADDR_VARIES if the virtual addresses of
   pure and impure space as loaded can vary, and even their
   relative order cannot be relied on.

   Otherwise Emacs assumes that text space precedes data space,
   numerically.  */

/* #define VIRT_ADDR_VARIES */

/* Define addresses, macros, change some setup for dump */

#define NO_REMAP
#undef static
  /* Since NO_REMAP, problem with statics doesn't exist */

#ifdef USG5_3
#define TEXT_START 0x00000000
#else
#define TEXT_START 0x00400000
#define TEXT_END 0
#define DATA_START 0x00800000
#define DATA_END 0

/* The data segment in this machine always starts at address 0x00800000.
   An address of data cannot be stored correctly in a Lisp object;
   we always lose the high bits.  We must tell XPNTR to add them back.  */

#define DATA_SEG_BITS 0x00800000
#endif

#if 0 /* I refuse to promulgate a recommendation that would make
         users unable to debug - RMS.  */
/* delete the following line to foil optimization, enable debugging */
#define C_DEBUG_SWITCH -O
#endif

#define BSTRING
#undef  HAVE_TERMIO
#define HAVE_TERMIOS

/* Send signals to subprocesses by "typing" special chars at them.  */

#define SIGNALS_VIA_CHARACTERS

/*
 * 	Define SYSV_SYSTEM_DIR to use the V.3 getdents/readir
 *	library functions.  Almost, but not quite the same as
 *	the 4.2 functions
 */
#define SYSV_SYSTEM_DIR

/*
 *	Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
 *      The 4.2 opendir, etc., library functions.
 */
#undef  NONSYSTEM_DIR_LIBRARY

/* AIX utimes allegedly causes SIGSEGV.  */
#undef HAVE_UTIMES /* override configuration decision */

/* AIX defines FIONREAD, but it does not work.  */
#define BROKEN_FIONREAD

/* Data type of load average, as read out of kmem.  */

#define LOAD_AVE_TYPE long	/* For AIX (sysV) */

/* Convert that into an integer that is 100 for a load average of 1.0  */

#define LOAD_AVE_CVT(x) (int) (((double) (x)/65535.0) * 100.0)
\f
/* This page was added in June 1990.  It may be incorrect for some versions
   of aix, so delete it if it causes trouble.  */

/* AIX has sigsetmask() */
#undef sigsetmask

/* AIX386 has BSD4.3 PTYs */

#define HAVE_PTYS

/* AIX has IPC. It also has sockets, and either can be used for client/server.
   I would suggest the client/server code be changed to use HAVE_SOCKETS rather
   than BSD as the conditional if sockets provide any advantages. */

#define HAVE_SYSVIPC

/* AIX has sockets */

#define HAVE_SOCKETS
/* #define SKTPAIR */ /* SKTPAIR works, but what is advantage over pipes? */

/* Specify the font for X to use.  */

#define X_DEFAULT_FONT "8x13"

/* AIX has a wait.h.  */

#define HAVE_WAIT_HEADER
\f
/* sioctl.h should not be included, says bytheway@cs.utah.edu.  */
#undef NEED_SIOCTL
/* I'm guessing that that means it doesn't want ptem.h either.  */
#undef NEED_PTEM_H

/* aix has `union wait'  */
#define HAVE_UNION_WAIT

/* Here override various assumptions in ymakefile */

#ifdef __GNUC__
#define alloca(n) __builtin_alloca(n)
#if __GNUC__ < 2
#define LIB_STANDARD /usr/local/lib/gcc-gnulib -lbsd -lrts -lc
#endif
/* -g fails to work, so it is omitted.  */
/* tranle says that -fstrength-reduce does not help.  */
#define C_DEBUG_SWITCH
#else
#define LIBS_MACHINE -lbsd -lrts
#endif

#define OBJECTS_MACHINE hftctl.o
#define LD_SWITCH_MACHINE -T0x00400000 -K -e start
#define LIBS_DEBUG		/* no -lg on aix ps/2 */

#ifdef USG5_3
#define XICCC
#undef LD_SWITCH_MACHINE
#define LD_SWITCH_MACHINE -T0x0 -K -e start

/* Things defined in s-usg5-3.h that need to be overridden.  */
#undef NOMULTIPLEJOBS
#undef BROKEN_TIOCGETC
#undef BROKEN_TIOCGWINSZ
#undef LIBX10_SYSTEM
#undef LIBX11_SYSTEM
#undef LIB_X11_LIB
#endif

/* Shared libraries are supported in a patch release of ps/2 1.2.1.
   If the system has them, the user can turn them on, and this code
   will make them work.  */
#define USG_SHARED_LIBRARIES /* Assume that by 19's release everyone has this.  */

#ifdef USG_SHARED_LIBRARIES
#define ORDINARY_LINK
#undef LIB_STANDARD
#undef LD_SWITCH_MACHINE
#if __GNUC__ > 1
#define LD_SWITCH_MACHINE -shlib
#endif
#endif

/* arch-tag: 2e7f44df-6a61-4a47-aa53-f7961bfeff11
   (do not change this comment) */
Commit	Line	Data
20c428fd	1	/* machine description file for ibm ps/2 aix386.
aaef169d TTN	2	Copyright (C) 1989, 2002, 2003, 2004, 2005,
aaef169d TTN	3	2006 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
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
364c38d3 LK	19	the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
364c38d3 LK	20	Boston, MA 02110-1301, 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="note"
	26
	27	NOTE-START
	28	Use -opsystem=usg5-3 on AIX 1.2.
	29	-opsystem=usg5-2-2 should work on either AIX 1.1 or 1.2, but may not
	30	work with certain new X window managers, and may be suboptimal.
	31	NOTE-END */
	32
74d3f806 KH	33	/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
	34	is the most significant byte. */
	35
	36	#undef WORDS_BIG_ENDIAN
	37
20c428fd JB	38	/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
	39	* group of arguments and treat it as an array of the arguments. */
	40
	41	/* #define NO_ARG_ARRAY */
	42
	43	/* Define WORD_MACHINE if addresses and such have
	44	* to be corrected before they can be used as byte counts. */
	45
	46	/* #define WORD_MACHINE */
	47
20c428fd JB	48	/* Now define a symbol for the cpu type, if your compiler
	49	does not define it automatically:
	50	Ones defined so far include vax, m68000, ns16000, pyramid,
	51	orion, tahoe, APOLLO and many others */
	52
	53	#define INTEL386
	54	#define aix386
20c428fd JB	55
	56	#define IBMAIX
	57
	58	/* Use type int rather than a union, to represent Lisp_Object */
	59
	60	#define NO_UNION_TYPE
	61
	62	/* crt0.c, if it is used, should use the i386-bsd style of entry.
	63	with no extra dummy args. On USG and XENIX,
	64	NO_REMAP says this isn't used. */
	65
	66	#define CRT0_DUMMIES bogus_fp,
	67
	68	/* crt0.c should define a symbol `start' and do .globl with a dot. */
	69
	70	#define DOT_GLOBAL_START
	71
	72	/* USG systems do not actually support the load average,
	73	so disable it for them. */
	74
	75	/* Define CANNOT_DUMP on machines where unexec does not work.
	76	Then the function dump-emacs will not be defined
	77	and temacs will do (load "loadup") automatically unless told otherwise. */
	78
	79	/* #define CANNOT_DUMP */
	80
	81	/* Define VIRT_ADDR_VARIES if the virtual addresses of
	82	pure and impure space as loaded can vary, and even their
	83	relative order cannot be relied on.
	84
	85	Otherwise Emacs assumes that text space precedes data space,
	86	numerically. */
	87
	88	/* #define VIRT_ADDR_VARIES */
	89
	90	/* Define addresses, macros, change some setup for dump */
	91
	92	#define NO_REMAP
	93	#undef static
	94	/* Since NO_REMAP, problem with statics doesn't exist */
	95
	96	#ifdef USG5_3
	97	#define TEXT_START 0x00000000
	98	#else
	99	#define TEXT_START 0x00400000
	100	#define TEXT_END 0
	101	#define DATA_START 0x00800000
	102	#define DATA_END 0
	103
	104	/* The data segment in this machine always starts at address 0x00800000.
	105	An address of data cannot be stored correctly in a Lisp object;
	106	we always lose the high bits. We must tell XPNTR to add them back. */
	107
	108	#define DATA_SEG_BITS 0x00800000
	109	#endif
	110
	111	#if 0 /* I refuse to promulgate a recommendation that would make
	112	users unable to debug - RMS. */
	113	/* delete the following line to foil optimization, enable debugging */
	114	#define C_DEBUG_SWITCH -O
	115	#endif
	116
	117	#define BSTRING
6da3d9e5 RS	118	#undef HAVE_TERMIO
	119	#define HAVE_TERMIOS
	120
	121	/* Send signals to subprocesses by "typing" special chars at them. */
	122
	123	#define SIGNALS_VIA_CHARACTERS
20c428fd JB	124
	125	/*
	126	* Define SYSV_SYSTEM_DIR to use the V.3 getdents/readir
	127	* library functions. Almost, but not quite the same as
	128	* the 4.2 functions
	129	*/
	130	#define SYSV_SYSTEM_DIR
	131
	132	/*
	133	* Define NONSYSTEM_DIR_LIBRARY to make Emacs emulate
	134	* The 4.2 opendir, etc., library functions.
	135	*/
	136	#undef NONSYSTEM_DIR_LIBRARY
	137
5df58331 KH	138	/* AIX utimes allegedly causes SIGSEGV. */
5df58331 KH	139	#undef HAVE_UTIMES /* override configuration decision */
20c428fd JB	140
	141	/* AIX defines FIONREAD, but it does not work. */
	142	#define BROKEN_FIONREAD
	143
	144	/* Data type of load average, as read out of kmem. */
	145
	146	#define LOAD_AVE_TYPE long /* For AIX (sysV) */
	147
	148	/* Convert that into an integer that is 100 for a load average of 1.0 */
	149
	150	#define LOAD_AVE_CVT(x) (int) (((double) (x)/65535.0) * 100.0)
	151	\f
	152	/* This page was added in June 1990. It may be incorrect for some versions
	153	of aix, so delete it if it causes trouble. */
	154
	155	/* AIX has sigsetmask() */
	156	#undef sigsetmask
	157
	158	/* AIX386 has BSD4.3 PTYs */
	159
	160	#define HAVE_PTYS
	161
	162	/* AIX has IPC. It also has sockets, and either can be used for client/server.
	163	I would suggest the client/server code be changed to use HAVE_SOCKETS rather
	164	than BSD as the conditional if sockets provide any advantages. */
	165
	166	#define HAVE_SYSVIPC
	167
	168	/* AIX has sockets */
	169
	170	#define HAVE_SOCKETS
	171	/* #define SKTPAIR / / SKTPAIR works, but what is advantage over pipes? */
	172
	173	/* Specify the font for X to use. */
	174
	175	#define X_DEFAULT_FONT "8x13"
	176
	177	/* AIX has a wait.h. */
	178
	179	#define HAVE_WAIT_HEADER
	180	\f
	181	/* sioctl.h should not be included, says bytheway@cs.utah.edu. */
	182	#undef NEED_SIOCTL
	183	/* I'm guessing that that means it doesn't want ptem.h either. */
	184	#undef NEED_PTEM_H
	185
	186	/* aix has `union wait' */
	187	#define HAVE_UNION_WAIT
	188
	189	/* Here override various assumptions in ymakefile */
	190
20c428fd	191	#ifdef __GNUC__
20c428fd	192	#define alloca(n) __builtin_alloca(n)
c395cc7b	193	#if __GNUC__ < 2
177c0ea7	194	#define LIB_STANDARD /usr/local/lib/gcc-gnulib -lbsd -lrts -lc
c395cc7b	195	#endif
20c428fd JB	196	/* -g fails to work, so it is omitted. */
20c428fd JB	197	/* tranle says that -fstrength-reduce does not help. */
6da3d9e5	198	#define C_DEBUG_SWITCH
20c428fd	199	#else
20c428fd JB	200	#define LIBS_MACHINE -lbsd -lrts
	201	#endif
	202
	203	#define OBJECTS_MACHINE hftctl.o
	204	#define LD_SWITCH_MACHINE -T0x00400000 -K -e start
6da3d9e5	205	#define LIBS_DEBUG /* no -lg on aix ps/2 */
20c428fd JB	206
	207	#ifdef USG5_3
	208	#define XICCC
20c428fd JB	209	#undef LD_SWITCH_MACHINE
	210	#define LD_SWITCH_MACHINE -T0x0 -K -e start
	211
	212	/* Things defined in s-usg5-3.h that need to be overridden. */
	213	#undef NOMULTIPLEJOBS
	214	#undef BROKEN_TIOCGETC
6da3d9e5	215	#undef BROKEN_TIOCGWINSZ
20c428fd JB	216	#undef LIBX10_SYSTEM
20c428fd JB	217	#undef LIBX11_SYSTEM
6da3d9e5	218	#undef LIB_X11_LIB
20c428fd	219	#endif
ebdf5546 RS	220
	221	/* Shared libraries are supported in a patch release of ps/2 1.2.1.
	222	If the system has them, the user can turn them on, and this code
	223	will make them work. */
	224	#define USG_SHARED_LIBRARIES /* Assume that by 19's release everyone has this. */
	225
	226	#ifdef USG_SHARED_LIBRARIES
	227	#define ORDINARY_LINK
	228	#undef LIB_STANDARD
	229	#undef LD_SWITCH_MACHINE
	230	#if __GNUC__ > 1
	231	#define LD_SWITCH_MACHINE -shlib
	232	#endif
	233	#endif
ab5796a9 MB	234
	235	/* arch-tag: 2e7f44df-6a61-4a47-aa53-f7961bfeff11
	236	(do not change this comment) */