-/* machine description file for Iris-4D machines. Use with s-iris3-6.h
- Copyright (C) 1987 Free Software Foundation, Inc.
+/* machine description file for Iris-4D machines. Use with s/irix*.h.
+ Copyright (C) 1987, 2002, 2003, 2004, 2005,
+ 2006 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 1, or (at your option)
+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,
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. */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
-/* The following line tells the configuration script what sort of
- operating system this machine is likely to run.
- USUAL-OPSYS="irix3-3" */
-
-/* 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 BIG_ENDIAN iff lowest-numbered byte in a word
+/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
is the most significant byte. */
-#define BIG_ENDIAN
+#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. */
#undef WORD_MACHINE
-/* Define how to take a char and sign-extend into an int.
- On machines where char is signed, this is a no-op. */
-
-#define SIGN_EXTEND_CHAR(c) ((signed char)(c))
-
/* 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 NO_UNION_TYPE
/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
- the 24-bit bit field into an int. In other words, if bit fields
+ 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
+/* 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 */
#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
/* #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
/* This machine requires completely different unexec code
which lives in a separate file. Specify the file name. */
+#ifdef USG5_4
+#undef UNEXEC
+#define UNEXEC unexelf.o
+#else
#define UNEXEC unexmips.o
+#endif
#define TEXT_START 0x400000
/*
- * DATA_SEG_BITS forces that bit to be or'd in with any pointers which
- * are trying to access pure strings (as gnu-emacs only allows 24 bits
- * for the value field of a LISP_OBJECT).
+ * DATA_SEG_BITS forces extra bits to be or'd in with any pointers which
+ * were stored in a Lisp_Object (as Emacs uses fewer than 32 bits for
+ * the value field of a LISP_OBJECT).
*/
#define DATA_START 0x10000000
#undef LIBS_MACHINE
/* -lsun in case using Yellow Pages for passwords. */
-#define LIBS_MACHINE -lsun -lmld
+#if defined(__GNUC__) && defined(_ABIN32)
+#define LIBS_MACHINE
+#else
+#ifndef IRIX6_5
+#define LIBS_MACHINE -lmld
+#else
+#define LIBS_MACHINE
+#endif
+#endif
#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 -lbsd -lc /usr/lib/crtn.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 -lbsd -lc
+#define LIB_STANDARD -lc
+#endif
#endif
\f
/* Use terminfo instead of termcap. */
#define TERMINFO
-/* sioctl.h should be included where appropriate. */
-
-#define NEED_SIOCTL
-
/* Letter to use in finding device name of first pty,
if system supports pty's. 'a' means it is /dev/ptya0 */
#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))
+ ((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. */
+#ifdef IRIX_FORCE_32_BITS
+#ifdef THIS_IS_MAKEFILE
+#ifndef IRIX6_5
+#define C_SWITCH_MACHINE -32
+#else
+#define C_SWITCH_MACHINE -n32
+#endif
+#endif
+#endif
-#define XSETINT(a, b) XSET(a, XTYPE(a), b)
-#define XSETUINT(a, b) XSET(a, XTYPE(a), b)
-#define XSETPNTR(a, b) XSET(a, XTYPE(a), b)
+#endif /* not __GNUC__ */
-#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))
+/* arch-tag: fff5e139-9ae0-465d-afec-837c41ea0aa6
+ (do not change this comment) */