1/* RTPC machine dependent defines 2 Copyright (C) 1986, 2001, 2002, 2003, 2004, 2005, 3 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/* The following line tells the configuration script what sort of 24 operating system this machine is likely to run. 25 USUAL-OPSYS="bsd4-2" */ 26 27/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word 28 is the most significant byte. */ 29 30#define WORDS_BIG_ENDIAN 31 32/* Define NO_ARG_ARRAY if you cannot take the address of the first of a 33 * group of arguments and treat it as an array of the arguments. */ 34 35#define NO_ARG_ARRAY 36 37/* Define WORD_MACHINE if addresses and such have 38 * to be corrected before they can be used as byte counts. */ 39 40#define WORD_MACHINE 41 42/* Now define a symbol for the cpu type, if your compiler 43 does not define it automatically. */ 44 45#define ibmrt 46#define romp /* unfortunately old include files are hanging around. */ 47 48/* Use type int rather than a union, to represent Lisp_Object */ 49/* This is desirable for most machines. */ 50 51#define NO_UNION_TYPE 52 53/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend 54 the bit field into an int. In other words, if bit fields 55 are always unsigned. 56 57 If you use NO_UNION_TYPE, this flag does not matter. */ 58 59#define EXPLICIT_SIGN_EXTEND 60 61/* Data type of load average, as read out of kmem. */ 62 63#define LOAD_AVE_TYPE double /* For AIS (sysV) */ 64 65/* Convert that into an integer that is 100 for a load average of 1.0 */ 66 67#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0) 68 69/* Define CANNOT_DUMP on machines where unexec does not work. 70 Then the function dump-emacs will not be defined 71 and temacs will do (load "loadup") automatically unless told otherwise. */ 72 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#undef VIRT_ADDR_VARIES 83 84/* The data segment in this machine starts at a fixed address. 85 An address of data cannot be stored correctly in a Lisp object; 86 we always lose the high bits. We must tell XPNTR to add them back. */ 87 88#define DATA_SEG_BITS 0x10000000 89#define DATA_START 0x10000000 90 91/* The text segment always starts at a fixed address. 92 This way we don't need to have a label _start defined. */ 93#define TEXT_START 0 94 95/* Taking a pointer to a char casting it as int pointer */ 96/* and then taking the int which the int pointer points to */ 97/* is practically guaranteed to give erroneous results */ 98 99#define NEED_ERRNO 100 101#define SKTPAIR 102 103/* BSD has BSTRING. */ 104 105#define BSTRING 106 107/* Special switches to give the C compiler. */ 108 109#ifndef __GNUC__ 110#define C_SWITCH_MACHINE -Dalloca=_Alloca 111#endif 112 113/* Don't attempt to relabel some of the data as text when dumping. 114 It does not work because their virtual addresses are not consecutive. 115 This enables us to use the standard crt0.o. */ 116 117#define NO_REMAP 118 119/* Use the bitmap files that come with Emacs. */ 120#define EMACS_BITMAP_FILES 121 122/* arch-tag: 89aa7e7d-593e-432c-966a-3db6aa2ad665 123 (do not change this comment) */ 124