-/* machine description file for Iris-4D machines. Use with s/irix[45]-*.h.
- Copyright (C) 1987 Free Software Foundation, Inc.
+/* machine description file for Iris-4D machines. Use with s/irix*.h.
+ Copyright (C) 1987, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+ 2008 Free Software Foundation, Inc.
This file is part of GNU Emacs.
-GNU Emacs is free software; you can redistribute it and/or modify
+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.
+the Free Software Foundation, either version 3 of the License, 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
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
-/* The following three symbols give information on
- the size of various data types. */
-
-#define SHORTBITS 16 /* Number of bits in a short */
-
-#define INTBITS 32 /* Number of bits in an int */
-
-#define LONGBITS 32 /* Number of bits in a long */
-
-/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
+/* Define WORDS_BIG_ENDIAN if lowest-numbered byte in a word
is the most significant byte. */
#define WORDS_BIG_ENDIAN
#define NO_ARG_ARRAY
-/* Define WORD_MACHINE if addresses and such have
- * to be corrected before they can be used as byte counts. */
-
-#undef 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,
#define IRIS_4D
#endif
-/* Use type int rather than a union, to represent Lisp_Object */
-/* This is desirable for most machines. */
-
-#define NO_UNION_TYPE
-
/* 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. */
+ This flag only matters if you use USE_LISP_UNION_TYPE. */
#define EXPLICIT_SIGN_EXTEND
-/* jg@genmagic.genmagic.com (John Giannandrea) says this is unnecessary. */
-#if 0
-/* Data type of load average, as read out of kmem. */
-
-#define LOAD_AVE_TYPE long /* This doesn't quite work on the 4D */
-
-/* Convert that into an integer that is 100 for a load average of 1.0 */
-
-#define LOAD_AVE_CVT(x) (int)(((double)(x)*100)/1024.0)
-
-/* s-iris3-6.h uses /vmunix */
-
-#undef KERNEL_FILE
-#define KERNEL_FILE "/unix"
-#endif
-
/* 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 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 */ /* Sjoerd.Mullender@cwi.nl says no need. */
-/* #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
#ifdef USG5_4
#undef UNEXEC
-#define UNEXEC unexelfsgi.o
+#define UNEXEC unexelf.o
#else
#define UNEXEC unexmips.o
#endif
#define DATA_SEG_BITS 0x10000000
#undef LIBS_MACHINE
-/* -lsun in case using Yellow Pages for passwords. */
-#define LIBS_MACHINE -lsun -lmld
+#define LIBS_MACHINE
#define LIBS_DEBUG
-/* Define this if you have a fairly recent system,
- in which crt1.o and crt1.n should be used. */
-#define HAVE_CRTN
-
#ifndef USG5_4
-#ifdef HAVE_CRTN
/* Must define START-FILES so that the linker can find /usr/lib/crt0.o. */
#define START_FILES pre-crt0.o /usr/lib/crt1.o
#define LIB_STANDARD -lc /usr/lib/crtn.o
-#else
-#define START_FILES pre-crt0.o /usr/lib/crt0.o
-/* The entry-point label (start of text segment) is `start', not `__start'. */
-#define DEFAULT_ENTRY_ADDRESS start
-#define LIB_STANDARD -lc
-#endif
#endif
\f
/* Use terminfo instead of termcap. */
#undef FIRST_PTY_LETTER
#define FIRST_PTY_LETTER 'q'
-
-/* Define STACK_DIRECTION for alloca.c */
-
-#define STACK_DIRECTION -1
\f
+#if _MIPS_SZLONG != 64
+/* fixme: should there be 64-bit defiitions? (The ones below aren't
+ OK.) */
+
/* The standard definitions of these macros would work ok,
but these are faster because the constants are short. */
-#define XUINT(a) (((unsigned)(a) << INTBITS-VALBITS) >> INTBITS-VALBITS)
+#define XUINT(a) (((unsigned)(a) << BITS_PER_INT-VALBITS) >> BITS_PER_INT-VALBITS)
#define XSET(var, type, ptr) \
- ((var) = ((int)(type) << VALBITS) + (((unsigned) (ptr) << INTBITS-VALBITS) >> INTBITS-VALBITS))
-
-#define XMARKBIT(a) ((a) < 0)
-#define XSETMARKBIT(a,b) ((a) = ((a) & ~MARKBIT) | ((b) ? MARKBIT : 0))
-#define XUNMARK(a) ((a) = (((unsigned)(a) << INTBITS-GCTYPEBITS-VALBITS) >> INTBITS-GCTYPEBITS-VALBITS))
+ ((var) = ((int)(type) << VALBITS) + (((unsigned) (ptr) << BITS_PER_INT-VALBITS) >> BITS_PER_INT-VALBITS))
+#endif /* _LP64 */
-#ifndef __GNUC__
-/* Turn off some "helpful" error checks for type mismatches
- that we can't fix without breaking other machines. */
-#define C_SWITCH_MACHINE -cckr
-#endif
+/* arch-tag: fff5e139-9ae0-465d-afec-837c41ea0aa6
+ (do not change this comment) */