/* machine description file For the alpha chip.
- Copyright (C) 1994, 1997, 1999 Free Software Foundation, Inc.
+ Copyright (C) 1994, 1997, 1999, 2002 Free Software Foundation, Inc.
This file is part of GNU Emacs.
*/
-#define BITS_PER_LONG 64
-#define BITS_PER_EMACS_INT 64
#ifndef _LP64
#define _LP64 /* This doesn't appear to be necessary
on OSF 4/5 -- fx. */
#define NO_ARG_ARRAY
-/* Define WORD_MACHINE if addresses and such have
- * to be corrected before they can be used as byte counts. */
-
-/* #define 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,
/* Use type EMACS_INT rather than a union, to represent Lisp_Object */
/* This is desirable for most machines. */
-
#define NO_UNION_TYPE
-/* Define the type to use. */
-#define EMACS_INT long
-#define EMACS_UINT unsigned long
-#define SPECIAL_EMACS_INT
-
/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
the 24-bit bit field into an int. In other words, if bit fields
are always unsigned.
#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
-/* 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 CANNOT_DUMP */
-
-/* Define VIRT_ADDR_VARIES if the virtual addresses of
- pure and impure space as loaded can vary, and even their
- relative order cannot be relied on.
-
- Otherwise Emacs assumes that text space precedes data space,
- numerically. */
-
-/* #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 HAVE_ALLOCA
-
/* GNU malloc and the relocating allocator do not work together
with X. [Who wrote that?] */
/* #define SYSTEM_MALLOC */
-/* 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
- code will not be sharable; but that's better than failing completely. */
-
-#define NO_REMAP
-
-/* Some really obscure 4.2-based systems (like Sequent DYNIX)
- * do not support asynchronous I/O (using SIGIO) on sockets,
- * even though it works fine on tty's. If you have one of
- * these systems, define the following, and then use it in
- * config.h (or elsewhere) to decide when (not) to use SIGIO.
- *
- * You'd think this would go in an operating-system description file,
- * but since it only occurs on some, but not all, BSD systems, the
- * reasonable place to select for it is in the machine description
- * file.
- */
-
-/* #define NO_SOCK_SIGIO */
-
-
#ifdef __ELF__
/* With ELF, make sure that all common symbols get allocated to in the
data section. Otherwise, the dump of temacs may miss variables in
#ifdef __ELF__
#undef UNEXEC
#define UNEXEC unexelf.o
+#define DATA_START 0x140000000
#endif
#ifndef __ELF__
#define TEXT_START 0x120000000
#define DATA_START 0x140000000
-/* This is necessary for mem-limits.h, so that start_of_data gives
- the correct value */
-
-#define DATA_SEG_BITS 0x140000000
-
/* The program to be used for unexec. */
#define UNEXEC unexalpha.o
#endif
-#define PNTR_COMPARISON_TYPE unsigned long
-
-/* On the 64 bit architecture, we can use 60 bits for addresses */
-
-#define VALBITS 60
-
-
-/* This definition of MARKBIT is necessary because of the comparison of
- ARRAY_MARK_FLAG and MARKBIT in an #if in lisp.h, which cpp doesn't like. */
-
-#define MARKBIT 0x8000000000000000L
-
-
-/* Define XINT and XUINT so that they can take arguments of type int */
-
-#define XINT(a) (((long) (a) << (BITS_PER_LONG - VALBITS)) >> (BITS_PER_LONG - VALBITS))
-#define XUINT(a) ((long) (a) & VALMASK)
-
-/* Define XPNTR to avoid or'ing with DATA_SEG_BITS */
-
-#define XPNTR(a) XUINT (a)
-
#ifndef NOT_C_CODE
/* We need these because pointers are larger than the default ints. */
#if !defined(__NetBSD__) && !defined(__OpenBSD__)