Mercurial > hg > xemacs-beta
diff src/m/dpx2.h @ 0:376386a54a3c r19-14
Import from CVS: tag r19-14
author | cvs |
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date | Mon, 13 Aug 2007 08:45:50 +0200 |
parents | |
children | 0132846995bd |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/m/dpx2.h Mon Aug 13 08:45:50 2007 +0200 @@ -0,0 +1,197 @@ +/* machine description for Bull DPX/2 range + Copyright (C) 1985, 1986 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 XEmacs; see the file COPYING. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +/* Synched up with: FSF 19.31. */ + +/* The following line tells the configuration script what sort of + operating system this machine is likely to run. + USUAL-OPSYS="usg5-3" */ + +/* + * You need to either un-comment one of these lines, or copy one + * of them to config.h before you include this file. + * Note that some simply define a constant and others set a value. + */ + +/* #define ncl_el /* DPX/2 210,220 etc */ +/* #define ncl_mr 1 /* DPX/2 320,340 (and 360,380 ?) */ + +/* 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 */ + +/* /bin/cc on ncl_el and ncl_mr define m68k and mc68000 */ + +/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend + the 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 long + +/* Convert that into an integer that is 100 for a load average of 1.0 */ + +#define FSCALE 1000.0 +#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) + +/* 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 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 /**/ + +/* 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 + +/* + * end of the standard macro's + */ + +/* + * a neat identifier to handle source mods (if needed) + */ +#ifndef DPX2 +#define DPX2 +#endif + +/* Disable support for shared libraries in unexec. */ + +#undef USG_SHARED_LIBRARIES + +/* + * if we use X11, libX11.a has these... + */ +# undef LIB_X11_LIB +# define LIB_X11_LIB -lX11 +# undef LIBX11_SYSTEM +# define LIBX11_SYSTEM -lmalloc -lnsl + +/* + * useful if you have INET loaded + */ +# define LIBS_MACHINE -linet + + +#if (defined(ncl_mr) || defined(ncl_el)) && !defined (NBPC) +# define NBPC 4096 +#endif + +/* + * if SIGIO is defined, much of the emacs + * code assumes we are BSD !! + */ +#ifdef SIGIO +#define BROKEN_SIGIO +#endif + + +#ifdef SIGTSTP +/* + * sysdep.c(sys_suspend) works fine with emacs-18.58 + * and BOS 02.00.45, if you have an earler version + * of Emacs and/or BOS, or have problems, or just prefer + * to start a sub-shell rather than suspend-emacs, + * un-comment out the next line. + */ +/* # undef SIGTSTP /* make suspend-emacs spawn a sub-shell */ +#endif +/* + * no we don't want this at all + */ +#ifdef USG_JOBCTRL +# undef USG_JOBCTRL +#endif + +/* + * but we have that +*/ +#define GETPGRP_NO_ARG + +/* select also needs this header file--but not in ymakefile. */ +#ifndef NOT_C_CODE +#include <sys/types.h> +#include <sys/select.h> +#endif + +#define TEXT_START 0 + +/* + * Define the direction of stack growth. + */ + +#define STACK_DIRECTION -1 + +/* we also have this */ +#define HAVE_PTYS +#define SYSV_PTYS + +/* on bos2.00.45 there is a bug that makes the F_SETOWN fcntl() call + enters in an infinite loop. Avoid calling it */ +#define F_SETOWN_BUG + +/* system closedir sometimes complains about wrong descriptor + for no apparent reasons. Use the provided closedir in sysdep.c instead */ +#ifdef HAVE_CLOSEDIR +#undef HAVE_CLOSEDIR +#endif + +/* Send signals to subprocesses by "typing" signal chars at them. */ +#define SIGNALS_VIA_CHARACTERS + +/* This is to prevent memory clobbering on the DPX/2 200. */ +#define LD_SWITCH_MACHINE -N -T32 + + /* end of dpx2.h */ + +