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+/* m- file for hp9000 series 800 machines.
+ 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 1, 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 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
+
+/* 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. */
+
+#undef WORD_MACHINE
+
+/* 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) (c)
+
+/* 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 */
+#ifndef hp9000s800
+# define hp9000s800
+#endif
+
+/* Use type int rather than a union, to represent Lisp_Object */
+/* This is desirable for most machines. */
+
+#define NO_UNION_TYPE
+
+/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
+ the 24-bit bit field into an int. In other words, if bit fields
+ are always unsigned.
+
+ If you use NO_UNION_TYPE, this flag does not matter. */
+
+#define EXPLICIT_SIGN_EXTEND
+
+/* Data type of load average, as read out of kmem. */
+
+#define LOAD_AVE_TYPE double
+
+/* Convert that into an integer that is 100 for a load average of 1.0 */
+
+#define LOAD_AVE_CVT(x) ((int) (x * 100.0))
+
+
+/* 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. */
+
+#undef 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 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 C_ALLOCA
+/* #define HAVE_ALLOCA */
+
+/* the data segment on this machine always starts at address 0x40000000. */
+
+#define DATA_SEG_BITS 0x40000000
+
+#define VALBITS 26
+#define GCTYPEBITS 5
+
+#define DATA_START 0x40000000
+#define TEXT_START 0x00000000
+
+#define STACK_DIRECTION 1
+
+/* 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
+
+/* This machine requires completely different unexec code
+ which lives in a separate file. Specify the file name. */
+
+#define UNEXEC unexhp9k800.o
+
+#define LIBS_MACHINE
+#define LIBS_DEBUG
+
+/* Define NEED_BSDTTY if you have such. */
+
+#define NEED_BSDTTY
+
+/* The standard definitions of these macros would work ok,
+ but these are faster because the constants are short. */
+
+
+#define XUINT(a) (((unsigned)(a) << INTBITS-VALBITS) >> INTBITS-VALBITS)
+
+#define XSET(var, type, ptr) \
+ ((var) = ((int)(type) << VALBITS) + (((unsigned) (ptr) << INTBITS-VALBITS) >> INTBITS-VALBITS))
+
+#define XSETINT(a, b) XSET(a, XTYPE(a), b)
+#define XSETUINT(a, b) XSET(a, XTYPE(a), b)
+#define XSETPNTR(a, b) XSET(a, XTYPE(a), b)
+#define XMARKBIT(a) ((a) < 0)
+#define XSETMARKBIT(a,b) ((a) = ((b) ? (a)|MARKBIT : (a) & ~MARKBIT))
+
+#if 0 /* Loses when sign bit of type field is set. */
+#define XUNMARK(a) ((a) = (((a) << INTBITS-GCTYPEBITS-VALBITS) >> INTBITS-GCTYPEBITS-VALBITS))
+#endif
+
+/* The symbol in the kernel where the load average is found
+ is named _avenrun. At this time there are two major flavors
+ of hp-ux (there is the s800 and s300 (s200) flavors). The
+ differences are thusly moved to the corresponding m- file.
+*/
+
+/* no underscore please */
+#define LDAV_SYMBOL "avenrun"
+#define CPTIME_SYMBOL "cp_time"
+#define DKXFER_SYMBOL "dk_xfer"
+
+#if 0 /* No longer true in HPUX 7.0 */
+/* In hpux, for unknown reasons, S_IFLNK is defined even though
+ symbolic links do not exist.
+ Make sure our conditionals based on S_IFLNK are not confused.
+
+ Here we assume that stat.h is included before config.h
+ so that we can override it here. */
+
+#undef S_IFLNK
+#endif
+
+/* Define the BSTRING functions in terms of the sysV functions. */
+
+#define bcopy(a,b,s) memcpy (b,a,s)
+#define bzero(a,s) memset (a,0,s)
+#define bcmp memcmp
+
+/* On USG systems these have different names. */
+
+#define index strchr
+#define rindex strrchr
+
+/* Include the file bsdtty.h, since job control exists. */
+#define NEED_BSDTTY