view src/m/sparc.h @ 5927:b58b74274fa2 cygwin

changes from long ago, never committed...
author Henry Thompson <ht@markup.co.uk>
date Wed, 15 Dec 2021 19:02:33 +0000
parents 1f0b15040456
children
line wrap: on
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/* machine description file for Sun 4 SPARC.
   Copyright (C) 1987, 1994 Free Software Foundation, Inc.

This file is part of XEmacs.

XEmacs 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 3 of the License, or (at your
option) any later version.

XEmacs 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.  If not, see <http://www.gnu.org/licenses/>. */

/* 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="note"

NOTE-START
Use -opsystem=sunos4 for operating system version 4, and
-opsystem=bsd4-2 for earlier versions.
NOTE-END  */

/* XEmacs change */
/* Say this machine is a sparc if we are not generating the Makefiles.
   In that case say we are a SPARC.  Otherwise people who have sparc
   in a path will not be happy. */

#ifdef NOT_C_CODE
# define SPARC
#else
# ifndef sparc
#  define sparc
# endif
#endif

/* Mask for address bits within a memory segment */

#define SEGMENT_MASK (SEGSIZ - 1)

#if ! defined (__NetBSD__) && ! defined (__linux__) && !defined (__OpenBSD__)
/* This really belongs in s/sun.h.  */

#ifdef ENABLE_SM_FILE_DECLS_OF_LOADAVG_STUFF

/* 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)

#endif /* ENABLE_SM_FILE_DECLS_OF_LOADAVG_STUFF */

/* 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 Linux or NetBSD or OpenBSD */