1/* alliant.h Alliant machine running system version 2 or 3. 2 Copyright (C) 1985, 1986, 1987, 2001, 2002, 2003, 2004, 3 2005, 2006, 2007 Free Software Foundation, Inc. 4 Note that for version 1 of the Alliant system 5 you should use alliant1.h instead of this file. 6 Use alliant4.h for version 4. 7 8This file is part of GNU Emacs. 9 10GNU Emacs is free software; you can redistribute it and/or modify 11it under the terms of the GNU General Public License as published by 12the Free Software Foundation; either version 2, or (at your option) 13any later version. 14 15GNU Emacs is distributed in the hope that it will be useful, 16but WITHOUT ANY WARRANTY; without even the implied warranty of 17MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18GNU General Public License for more details. 19 20You should have received a copy of the GNU General Public License 21along with GNU Emacs; see the file COPYING. If not, write to 22the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 23Boston, MA 02110-1301, USA. */ 24 25/* The following line tells the configuration script what sort of 26 operating system this machine is likely to run. 27 USUAL-OPSYS="bsd4-2" */ 28 29/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word 30 is the most significant byte. */ 31 32#define WORDS_BIG_ENDIAN 33 34/* Define NO_ARG_ARRAY if you cannot take the address of the first of a 35 * group of arguments and treat it as an array of the arguments. */ 36 37#ifdef ALLIANT_1 38#define NO_ARG_ARRAY 39#endif 40 41/* Define WORD_MACHINE if addresses and such have 42 * to be corrected before they can be used as byte counts. */ 43 44#undef WORD_MACHINE 45 46/* Now define a symbol for the cpu type, if your compiler 47 does not define it automatically: 48 vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO 49 are the ones defined so far. */ 50 51#define ALLIANT 52 53/* Use type int rather than a union, to represent Lisp_Object */ 54/* This is desirable for most machines. */ 55 56#define NO_UNION_TYPE 57 58/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend 59 the 24-bit bit field into an int. In other words, if bit fields 60 are always unsigned. 61 62 If you use NO_UNION_TYPE, this flag does not matter. */ 63/* On Alliants, bitfields are unsigned. */ 64 65#define EXPLICIT_SIGN_EXTEND 66 67/* No load average information available for Alliants. */ 68 69#undef LOAD_AVE_TYPE 70#undef LOAD_AVE_CVT 71 72/* Define CANNOT_DUMP on machines where unexec does not work. 73 Then the function dump-emacs will not be defined 74 and temacs will do (load "loadup") automatically unless told otherwise. */ 75 76#undef CANNOT_DUMP 77 78/* Define VIRT_ADDR_VARIES if the virtual addresses of 79 pure and impure space as loaded can vary, and even their 80 relative order cannot be relied on. 81 82 Otherwise Emacs assumes that text space precedes data space, 83 numerically. */ 84 85#undef VIRT_ADDR_VARIES 86 87/* Define NO_REMAP if memory segmentation makes it not work well 88 to change the boundary between the text section and data section 89 when Emacs is dumped. If you define this, the preloaded Lisp 90 code will not be sharable; but that's better than failing completely. */ 91/* Actually, Alliant CONCENTRIX does paging "right": 92 data pages are copy-on-write, which means that the pure data areas 93 are shared automatically and remapping is not necessary. */ 94 95#define NO_REMAP 96 97/* Alliant needs special crt0.o because system version is not reentrant */ 98 99#define START_FILES crt0.o 100 101/* Alliant dependent code for dumping executing image. 102 See crt0.c code for alliant. */ 103 104#define ADJUST_EXEC_HEADER {\ 105extern int _curbrk, _setbrk;\ 106_setbrk = _curbrk;\ 107hdr.a_bss_addr = bss_start;\ 108unexec_text_start = hdr.a_text_addr;} 109 110/* cc screws up on long names. Try making cpp replace them. */ 111 112#ifdef ALLIANT_1 113#define Finsert_abbrev_table_description Finsert_abbrev_table_descrip 114#define internal_with_output_to_temp_buffer internal_with_output_to_tem 115#endif 116 117/* "vector" is a typedef in /usr/include/machine/reg.h, so its use as 118 a variable name causes errors when compiling under ANSI C. */ 119 120#define vector xxvector 121 122/* arch-tag: 0ad5f932-f29a-4458-a24c-496cafdfd50d 123 (do not change this comment) */ 124