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OS/2 Shareware BBS: 5 Edit
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e20313sr.zip
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emacs
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20.3.1
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sparc.h
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C/C++ Source or Header
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1999-06-27
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4KB
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120 lines
/* machine description file for Sun 4 SPARC.
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 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., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, 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=sunos4 for operating system version 4, and
-opsystem=bsd4-2 for earlier versions.
NOTE-END */
/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
is the most significant byte. */
#define 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
/* Say this machine is a sparc */
#ifndef sparc
#define sparc
#endif
#ifdef __GNUC__
# define C_OPTIMIZE_SWITCH -O
#else
/* This level of optimization is reported to work. */
# define C_OPTIMIZE_SWITCH -O2
#endif
/* Use type int rather than a union, to represent Lisp_Object */
#define NO_UNION_TYPE
/* XINT must explicitly sign-extend */
#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 LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
/* 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 HAVE_ALLOCA
#ifndef NOT_C_CODE
#if __GNUC__ < 2 /* Modern versions of GCC handle alloca directly. */
#include <alloca.h>
#endif
#endif
/* Must use the system's termcap, if we use any termcap.
It does special things. */
#ifndef TERMINFO
#define LIBS_TERMCAP -ltermcap
#endif
/* Mask for address bits within a memory segment */
#define SEGMENT_MASK (SEGSIZ - 1)
/* Arrange to link with sun windows, if requested. */
/* For details on emacstool and sunfns, see etc/SUN-SUPPORT */
/* These programs require Sun UNIX 4.2 Release 3.2 or greater */
#ifdef HAVE_SUN_WINDOWS
#define OTHER_FILES ${etcdir}emacstool
#define LIBS_MACHINE -lsuntool -lsunwindow -lpixrect
#define OBJECTS_MACHINE sunfns.o
#define SYMS_MACHINE syms_of_sunfns ()
#define PURESIZE 130000
#endif
#if !defined (__NetBSD__) && !defined (__linux__) && !defined (__OpenBSD__)
/* This really belongs in s/sun.h. */
/* Say that the text segment of a.out includes the header;
the header actually occupies the first few bytes of the text segment
and is counted in hdr.a_text. */
#define A_TEXT_OFFSET(HDR) sizeof (HDR)
/* This is the offset of the executable's text, from the start of the file. */
#define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))
#endif /* not __NetBSD__ and not __linux__ and not __OpenBSD__ */