-/* machine description file for Iris-4D machines. Use with s/iris[45]-*.h.
- Copyright (C) 1987 Free Software Foundation, Inc.
+/* machine description file for Iris-4D machines. Use with s/irix*.h.
+ Copyright (C) 1987, 2002 Free Software Foundation, Inc.
This file is part of GNU Emacs.
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., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
-/* 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. */
#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 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
-/* When you *do* link with -lbsd, you *still* get System V getpgrp, unless:
- you define _BSD_COMPAT, -or- you call `BSDgetpgrp' explicitly.
- Emacs does the latter. */
-
+#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 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
+#ifndef _LP64
/* 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))
-#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)
-
-#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))
+#define XUNMARK(a) ((a) = (((unsigned)(a) << BITS_PER_INT-GCTYPEBITS-VALBITS) >> BITS_PER_INT-GCTYPEBITS-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
+#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
+
+#endif /* not __GNUC__ */