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author | Andreas Schwab <schwab@suse.de> | 2000-08-04 08:48:52 +0000 |
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committer | Andreas Schwab <schwab@suse.de> | 2000-08-04 08:48:52 +0000 |
commit | 2dad51cce68f8a19632f3c572410d97ca344b95b (patch) | |
tree | 55b08f7da30ceed9b4786f4950b4a99b23eb7598 /src/m/ia64.h | |
parent | 7bff37dc163fc8bf7ee8adb9c8ee402e19827640 (diff) | |
download | emacs-2dad51cce68f8a19632f3c572410d97ca344b95b.tar.gz |
* m/ia64.h: Moved from s/ia64.h.
Diffstat (limited to 'src/m/ia64.h')
-rw-r--r-- | src/m/ia64.h | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/src/m/ia64.h b/src/m/ia64.h new file mode 100644 index 00000000000..14a060ca30f --- /dev/null +++ b/src/m/ia64.h @@ -0,0 +1,196 @@ +/* machine description file for the IA-64 architecture. + Copyright (C) 2000 Free Software Foundation, Inc. + Contributed by David Mosberger <davidm@hpl.hp.com> + +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) +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 GNU Emacs; see the file COPYING. If not, write to +the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#define BITS_PER_LONG 64 +#define BITS_PER_EMACS_INT 64 + +/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word + is the most significant byte. */ + +#undef 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_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, + orion, tahoe, APOLLO and many others */ + +/* __ia64__ defined automatically */ + + +/* 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. + + If you use NO_UNION_TYPE, this flag does not matter. */ + +#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 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. */ +#if 0 +#define CANNOT_DUMP +#endif + +/* 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 + +/* Define the following if GNU malloc and the relocating allocator do + not work together with X. */ + +/* #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__ +#undef UNEXEC +#define UNEXEC unexelf.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) + +/* Declare malloc and realloc in a way that is clean. + But not in makefiles! */ + +#ifndef NOT_C_CODE +/* We need these because pointers are larger than the default ints. */ +# if !defined(__NetBSD__) && !defined(__OpenBSD__) +# include <alloca.h> +# else +# include <stdlib.h> +# endif + +/* Hack alert! For reasons unknown to mankind the string.h file insists + on defining bcopy etc. as taking char pointers as arguments. With + Emacs this produces an endless amount of warning which are harmless, + but tends to flood the real errors. This hack works around this problem + by not prototyping. */ +#define bcopy string_h_bcopy +#define bzero string_h_bzero +#define bcmp string_h_bcmp +#include <string.h> +#undef bcopy +#undef bzero +#undef bcmp + +/* We need to prototype these for the lib-src programs even if we don't + use the system malloc for the Emacs proper. */ +#ifdef _MALLOC_INTERNAL +/* These declarations are designed to match the ones in gmalloc.c. */ +#if defined (__STDC__) && __STDC__ +extern void *malloc (), *realloc (), *calloc (); +#else +extern char *malloc (), *realloc (), *calloc (); +#endif +#else /* not _MALLOC_INTERNAL */ +extern void *malloc (), *realloc (), *calloc (); +#endif /* not _MALLOC_INTERNAL */ + +#ifdef REL_ALLOC +#ifndef _MALLOC_INTERNAL +/* "char *" because ralloc.c defines it that way. gmalloc.c thinks it + is allowed to prototype these as "void *" so we don't prototype in + that case. You're right: it stinks! */ +extern char *r_alloc (), *r_re_alloc (); +extern void r_alloc_free (); +#endif /* not _MALLOC_INTERNAL */ +#endif /* REL_ALLOC */ + +#endif /* not NOT_C_CODE */ + +#define DATA_SEG_BITS 0x6000000000000000 + +#define HAVE_TEXT_START |