diff src/m/sparc.h @ 0:376386a54a3c r19-14

Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
parents
children ac2d302a0011
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/m/sparc.h	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,129 @@
+/* machine description file for Sun 4 SPARC.
+   Copyright (C) 1987, 1994 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="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
+
+#ifdef __GNUC__
+# define C_OPTIMIZE_SWITCH -O
+#else
+/* XEmacs change */
+# ifdef USE_LCC
+#  define C_OPTIMIZE_SWITCH -O4 -Oi
+# else
+     /* This level of optimization is reported to work.  */
+#  define C_OPTIMIZE_SWITCH -O2
+# endif
+#endif
+
+/* 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
+
+/* Solaris defines alloca to __builtin_alloca & does not provide a prototype */
+#ifdef __SUNPRO_C
+#  ifndef NOT_C_CODE
+#    include <alloca.h>
+     void *__builtin_alloca (unsigned int);
+#  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 SYSTEM_PURESIZE_EXTRA 10000
+#endif
+
+#ifndef __NetBSD__
+#ifndef __linux__
+/* 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 /* __linux__ */
+#endif /* __NetBSD__ */