1/* machine description file for the IA-64 architecture. 2 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 3 2006, 2007 Free Software Foundation, Inc. 4 Contributed by David Mosberger <davidm@hpl.hp.com> 5 6This file is part of GNU Emacs. 7 8GNU Emacs is free software; you can redistribute it and/or modify 9it under the terms of the GNU General Public License as published by 10the Free Software Foundation; either version 2, or (at your option) 11any later version. 12 13GNU Emacs is distributed in the hope that it will be useful, 14but WITHOUT ANY WARRANTY; without even the implied warranty of 15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16GNU General Public License for more details. 17 18You should have received a copy of the GNU General Public License 19along with GNU Emacs; see the file COPYING. If not, write to 20the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21Boston, MA 02110-1301, USA. */ 22 23#define BITS_PER_LONG 64 24#define BITS_PER_EMACS_INT 64 25 26/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word 27 is the most significant byte. */ 28 29#undef WORDS_BIG_ENDIAN 30 31/* Define NO_ARG_ARRAY if you cannot take the address of the first of a 32 group of arguments and treat it as an array of the arguments. */ 33 34#define NO_ARG_ARRAY 35 36/* Define WORD_MACHINE if addresses and such have 37 to be corrected before they can be used as byte counts. */ 38 39/* #define WORD_MACHINE */ 40 41/* Now define a symbol for the cpu type, if your compiler 42 does not define it automatically: 43 Ones defined so far include vax, m68000, ns16000, pyramid, 44 orion, tahoe, APOLLO and many others */ 45 46/* __ia64__ defined automatically */ 47 48 49/* Use type EMACS_INT rather than a union, to represent Lisp_Object */ 50/* This is desirable for most machines. */ 51 52#define NO_UNION_TYPE 53 54/* Define the type to use. */ 55#define EMACS_INT long 56#define EMACS_UINT unsigned long 57#define SPECIAL_EMACS_INT 58 59/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend 60 the 24-bit bit field into an int. In other words, if bit fields 61 are always unsigned. 62 63 If you use NO_UNION_TYPE, this flag does not matter. */ 64 65#define EXPLICIT_SIGN_EXTEND 66 67/* Data type of load average, as read out of kmem. */ 68 69#define LOAD_AVE_TYPE long 70 71/* Convert that into an integer that is 100 for a load average of 1.0 */ 72 73#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) 74 75/* Define CANNOT_DUMP on machines where unexec does not work. 76 Then the function dump-emacs will not be defined 77 and temacs will do (load "loadup") automatically unless told otherwise. */ 78#if 0 79#define CANNOT_DUMP 80#endif 81 82/* Define VIRT_ADDR_VARIES if the virtual addresses of 83 pure and impure space as loaded can vary, and even their 84 relative order cannot be relied on. 85 86 Otherwise Emacs assumes that text space precedes data space, 87 numerically. */ 88 89/* #define VIRT_ADDR_VARIES */ 90 91/* Define the following if GNU malloc and the relocating allocator do 92 not work together with X. */ 93 94/* #define SYSTEM_MALLOC */ 95 96/* Define NO_REMAP if memory segmentation makes it not work well 97 to change the boundary between the text section and data section 98 when Emacs is dumped. If you define this, the preloaded Lisp 99 code will not be sharable; but that's better than failing completely. */ 100 101/* #define NO_REMAP */ 102 103/* Some really obscure 4.2-based systems (like Sequent DYNIX) do not 104 support asynchronous I/O (using SIGIO) on sockets, even though it 105 works fine on tty's. If you have one of these systems, define the 106 following, and then use it in config.h (or elsewhere) to decide 107 when (not) to use SIGIO. 108 109 You'd think this would go in an operating-system description file, 110 but since it only occurs on some, but not all, BSD systems, the 111 reasonable place to select for it is in the machine description 112 file. */ 113 114/* #define NO_SOCK_SIGIO */ 115 116#ifdef __ELF__ 117#undef UNEXEC 118#define UNEXEC unexelf.o 119#endif 120 121#define PNTR_COMPARISON_TYPE unsigned long 122 123#ifndef NOT_C_CODE 124 125#ifdef REL_ALLOC 126#ifndef _MALLOC_INTERNAL 127/* "char *" because ralloc.c defines it that way. gmalloc.c thinks it 128 is allowed to prototype these as "void *" so we don't prototype in 129 that case. You're right: it stinks! */ 130extern char *r_alloc (), *r_re_alloc (); 131extern void r_alloc_free (); 132#endif /* not _MALLOC_INTERNAL */ 133#endif /* REL_ALLOC */ 134 135#endif /* not NOT_C_CODE */ 136 137#define HAVE_TEXT_START 138 139/* arch-tag: 9b8e9fb2-2e49-4c22-b68f-11a488e77c66 140 (do not change this comment) */ 141