1/* machine description file for clipper 2 Copyright (C) 1985, 1986, 2001, 2002, 2003, 2004, 3 2005, 2006, 2007 Free Software Foundation, Inc. 4 5This file is part of GNU Emacs. 6 7GNU Emacs is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 2, or (at your option) 10any later version. 11 12GNU Emacs is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GNU Emacs; see the file COPYING. If not, write to 19the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20Boston, MA 02110-1301, USA. */ 21 22 23/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word 24 is the most significant byte. */ 25 26#undef WORDS_BIG_ENDIAN 27 28/* Define NO_ARG_ARRAY if you cannot take the address of the first of a 29 * group of arguments and treat it as an array of the arguments. */ 30 31#define NO_ARG_ARRAY 32 33/* Define WORD_MACHINE if addresses and such have 34 * to be corrected before they can be used as byte counts. */ 35 36/* #define WORD_MACHINE */ 37 38/* Now define a symbol for the cpu type, if your compiler 39 does not define it automatically */ 40 41#define clipper 1 42 43/* Use type int rather than a union, to represent Lisp_Object */ 44 45#define NO_UNION_TYPE 46 47/* crt0.c should define a symbol `start' and do .globl with a dot. */ 48 49#define DOT_GLOBAL_START 50 51/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend 52 the 24-bit bit field into an int. In other words, if bit fields 53 are always unsigned. 54 55 If you use NO_UNION_TYPE, this flag does not matter. */ 56 57/* #define EXPLICIT_SIGN_EXTEND */ 58 59/* USG systems I know of running on Vaxes do not actually 60 support the load average, so disable it for them. */ 61 62/* Data type of load average, as read out of kmem. */ 63 64#define LOAD_AVE_TYPE double 65 66/* Convert that into an integer that is 100 for a load average of 1.0 */ 67 68#define LOAD_AVE_CVT(x) ((int) ((x) * 100.0)) 69 70/* Define CANNOT_DUMP on machines where unexec does not work. 71 Then the function dump-emacs will not be defined 72 and temacs will do (load "loadup") automatically unless told otherwise. */ 73/* #define CANNOT_DUMP */ 74 75/* Define VIRT_ADDR_VARIES if the virtual addresses of 76 pure and impure space as loaded can vary, and even their 77 relative order cannot be relied on. 78 79 Otherwise Emacs assumes that text space precedes data space, 80 numerically. */ 81 82/* #define VIRT_ADDR_VARIES */ /* Karl Kleinpaste says this isn't needed. */ 83 84/* Define NO_REMAP if memory segmentation makes it not work well 85 to change the boundary between the text section and data section 86 when Emacs is dumped. If you define this, the preloaded Lisp 87 code will not be sharable; but that's better than failing completely. */ 88 89/* #define NO_REMAP */ 90 91#ifdef USG 92#define TEXT_START 0 93#endif /* USG */ 94 95#define LD_TEXT_START_ADDR 8000 96 97/* arch-tag: 2f7981c1-7018-4a1e-b7b6-b2900de36a04 98 (do not change this comment) */ 99