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162 lines
5 KiB
C
162 lines
5 KiB
C
/* machine description file for Hitachi SR2001/SR2201 machines.
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Copyright (C) 1996, 2002, 2003 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* The following line tells the configuration script what sort of
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operating system this machine is likely to run.
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USUAL-OPSYS="hpux" */
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/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
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is the most significant byte. */
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#define WORDS_BIG_ENDIAN
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/* Define NO_ARG_ARRAY if you cannot take the address of the first of a
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* group of arguments and treat it as an array of the arguments. */
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#define NO_ARG_ARRAY
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/* Define WORD_MACHINE if addresses and such have
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* to be corrected before they can be used as byte counts. */
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#undef WORD_MACHINE
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/* Now define a symbol for the cpu type, if your compiler
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does not define it automatically:
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Ones defined so far include vax, m68000, ns16000, pyramid,
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orion, tahoe, APOLLO and many others */
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#ifndef hp9000s800
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# define hp9000s800
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#endif
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/* Use type int rather than a union, to represent Lisp_Object */
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/* This is desirable for most machines. */
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#define NO_UNION_TYPE
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/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
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the bit field into an int. In other words, if bit fields
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are always unsigned.
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If you use NO_UNION_TYPE, this flag does not matter. */
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#define EXPLICIT_SIGN_EXTEND
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/* The standard definitions of these macros would work ok,
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but these are faster because the constants are short. */
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#define XUINT(a) (((unsigned)(a) << BITS_PER_INT-VALBITS) >> BITS_PER_INT-VALBITS)
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#define XSET(var, type, ptr) \
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((var) = ((int)(type) << VALBITS) + (((unsigned) (ptr) << BITS_PER_INT-VALBITS) >> BITS_PER_INT-VALBITS))
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#define XMARKBIT(a) ((a) < 0)
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#if 0 /* Loses when sign bit of type field is set. */
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#define XUNMARK(a) ((a) = (((a) << BITS_PER_INT-GCTYPEBITS-VALBITS) >> BITS_PER_INT-GCTYPEBITS-VALBITS))
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#endif
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/* #ifdef __hpux */
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/* Now define a symbol for the cpu type, if your compiler
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does not define it automatically:
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Ones defined so far include vax, m68000, ns16000, pyramid,
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orion, tahoe, APOLLO and many others */
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#ifndef hp9000s800
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# define hp9000s800
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#endif
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/* Data type of load average, as read out of kmem. */
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#define LOAD_AVE_TYPE double
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/* Convert that into an integer that is 100 for a load average of 1.0 */
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#define LOAD_AVE_CVT(x) ((int) (x * 100.0))
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/* Define CANNOT_DUMP on machines where unexec does not work.
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Then the function dump-emacs will not be defined
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and temacs will do (load "loadup") automatically unless told otherwise. */
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#undef CANNOT_DUMP
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/* Define VIRT_ADDR_VARIES if the virtual addresses of
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pure and impure space as loaded can vary, and even their
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relative order cannot be relied on.
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Otherwise Emacs assumes that text space precedes data space,
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numerically. */
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#define VIRT_ADDR_VARIES
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/* the data segment on this machine always starts at address 0x40000000. */
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#define DATA_SEG_BITS 0x40000000
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#define DATA_START 0x40000000
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#define TEXT_START 0x00000000
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/* Define NO_REMAP if memory segmentation makes it not work well
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to change the boundary between the text section and data section
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when Emacs is dumped. If you define this, the preloaded Lisp
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code will not be sharable; but that's better than failing completely. */
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#define NO_REMAP
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/* This machine requires completely different unexec code
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which lives in a separate file. Specify the file name. */
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#define UNEXEC unexhp9k800.o
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#define LIBS_MACHINE
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#define LIBS_DEBUG
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/* Include the file bsdtty.h, since this machine has job control. */
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/* #define NEED_BSDTTY */
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/* The symbol in the kernel where the load average is found
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is named _avenrun. At this time there are two major flavors
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of hp-ux (there is the s800 and s300 (s200) flavors). The
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differences are thusly moved to the corresponding machine description file.
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*/
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/* no underscore please */
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#define LDAV_SYMBOL "avenrun"
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#if 0 /* Supposedly no longer true. */
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/* In hpux, for unknown reasons, S_IFLNK is defined even though
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symbolic links do not exist.
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Make sure our conditionals based on S_IFLNK are not confused.
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Here we assume that stat.h is included before config.h
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so that we can override it here. */
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#undef S_IFLNK
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#endif
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/* On USG systems these have different names. */
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#define index strchr
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#define rindex strrchr
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/* #endif */
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