Initial revision

src/m/pfa50.h

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+/* machine description file for PFU A-series.
+   Copyright (C) 1988 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY.  No author or distributor
+accepts responsibility to anyone for the consequences of using it
+or for whether it serves any particular purpose or works at all,
+unless he says so in writing.  Refer to the GNU Emacs General Public
+License for full details.
+
+Everyone is granted permission to copy, modify and redistribute
+GNU Emacs, but only under the conditions described in the
+GNU Emacs General Public License.   A copy of this license is
+supposed to have been given to you along with GNU Emacs so you
+can know your rights and responsibilities.  It should be in a
+file named COPYING.  Among other things, the copyright notice
+and this notice must be preserved on all copies.  */
+
+
+/* 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 */
+
+/* 68000 has lowest-numbered byte as most significant */
+
+#define BIG_ENDIAN
+
+/* Define how to take a char and sign-extend into an int.
+   On machines where char is signed, this is a no-op.  */
+
+#define SIGN_EXTEND_CHAR(c) ((((int) (c)) << 24) >> 24)
+
+/* Say this machine is a 68000 */
+
+#define m68000
+#define mc68000 1
+
+/* Use type int rather than a union, to represent Lisp_Object */
+
+#define NO_UNION_TYPE
+
+/* XINT must explicitly sign-extend */
+
+#define EXPLICIT_SIGN_EXTEND
+
+/* The symbol FIONREAD is defined, but the feature does not work.  */
+
+#define BROKEN_FIONREAD
+
+/* Define NO_REMAP if memory segmentation makes it not work well
+   to change the boundary between the text section and data section
+   when Emacs is dumped.  If you define this, the preloaded Lisp
+   code will not be sharable; but that's better than failing completely.  */
+
+#define NO_REMAP
+
+/* Define TEXT_START_ADDR if your linker don't set execute point to _start.
+   If it needed, temacs always CORE-DUMP.	*/
+
+#define TEXT_START_ADDR __start
+
+/* Define START_FILES if your machine used _start.
+ */
+
+#define START_FILES crt0.o
+
+/* Define LD_SWITCH_MACHINE if your linker need it.
+ */
+
+#define LD_SWITCH_MACHINE -e __start
+
+#if	pfa50 || pfa70
+
+/* On A-50/60/70/80, data space has high order byte use. */
+#define VALMASK (((1<<VALBITS) - 1) | 0x60000000)
+#define XTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & 0x1f))
+#define XGCTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & 0x1f))
+
+#endif /* pfa50, pfa70 */
+
+/* SX/A has alloca in the PW library.  */
+
+#define LIB_STANDARD -lPW -lc
+#define HAVE_ALLOCA
+
+/* SX/A uses terminfo and lib/curses   */
+
+#define TERMINFO
+
+#define HAVE_TIMEVAL
+#define HAVE_SELECT
+#define HAVE_PTYS
+#define HAVE_SOCKETS
+#define HAVE_RENAME
+
+/* SX/A use SystemV style getdents/readdir. */
+#define HAVE_CLOSEDIR
+
+/* SX/A does not have sigblock(2) */
+#define sigblock(mask)	(0)
+
+#define USG_SYS_TIME
+#define USE_UTIME
+
+#define NO_SIOCTL_H
+
+#undef SIGIO
+