428
+ − 1 /* machine description file for Iris-4D machines. Use with s/irix*.h.
+ − 2 Copyright (C) 1987 Free Software Foundation, Inc.
+ − 3
+ − 4 This file is part of GNU Emacs.
+ − 5
+ − 6 GNU Emacs is free software; you can redistribute it and/or modify
+ − 7 it under the terms of the GNU General Public License as published by
+ − 8 the Free Software Foundation; either version 2, or (at your option)
+ − 9 any later version.
+ − 10
+ − 11 GNU Emacs is distributed in the hope that it will be useful,
+ − 12 but WITHOUT ANY WARRANTY; without even the implied warranty of
+ − 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ − 14 GNU General Public License for more details.
+ − 15
+ − 16 You should have received a copy of the GNU General Public License
+ − 17 along with XEmacs; see the file COPYING. If not, write to
+ − 18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ − 19 Boston, MA 02111-1307, USA. */
+ − 20
+ − 21 /* Synched up with: FSF 19.31. */
+ − 22
+ − 23 /* Now define a symbol for the cpu type, if your compiler
+ − 24 does not define it automatically:
+ − 25 Ones defined so far include vax, m68000, ns16000, pyramid,
+ − 26 orion, tahoe, APOLLO and many others */
+ − 27
+ − 28 #ifndef mips
+ − 29 #define mips
+ − 30 #endif
+ − 31
+ − 32 #ifndef IRIS_4D
+ − 33 #define IRIS_4D
+ − 34 #endif
+ − 35
+ − 36 /* jg@genmagic.genmagic.com (John Giannandrea) says this is unnecessary. */
+ − 37 #if 0
+ − 38 /* Data type of load average, as read out of kmem. */
+ − 39
+ − 40 #define LOAD_AVE_TYPE long /* This doesn't quite work on the 4D */
+ − 41
+ − 42 /* Convert that into an integer that is 100 for a load average of 1.0 */
+ − 43
+ − 44 #define LOAD_AVE_CVT(x) (int)(((double)(x)*100)/1024.0)
+ − 45
+ − 46 /* s-iris3-6.h uses /vmunix */
+ − 47
+ − 48 #undef KERNEL_FILE
+ − 49 #define KERNEL_FILE "/unix"
+ − 50 #endif
+ − 51
+ − 52 /* Define CANNOT_DUMP on machines where unexec does not work.
+ − 53 Then the function dump-emacs will not be defined
+ − 54 and temacs will do (load "loadup") automatically unless told otherwise. */
+ − 55
+ − 56 #undef CANNOT_DUMP
+ − 57
+ − 58 /* Define C_ALLOCA if this machine does not support a true alloca
+ − 59 and the one written in C should be used instead.
+ − 60 Define HAVE_ALLOCA to say that the system provides a properly
+ − 61 working alloca function and it should be used.
+ − 62 Define neither one if an assembler-language alloca
+ − 63 in the file alloca.s should be used. */
+ − 64
+ − 65 /* #define C_ALLOCA */ /* Sjoerd.Mullender@cwi.nl says no need. */
+ − 66 /* #define HAVE_ALLOCA */
+ − 67
+ − 68 /* Define NO_REMAP if memory segmentation makes it not work well
+ − 69 to change the boundary between the text section and data section
+ − 70 when Emacs is dumped. If you define this, the preloaded Lisp
+ − 71 code will not be sharable; but that's better than failing completely. */
+ − 72
+ − 73 #define NO_REMAP
+ − 74
+ − 75 /* This machine requires completely different unexec code
+ − 76 which lives in a separate file. Specify the file name. */
+ − 77
+ − 78 #ifdef USG5_4
+ − 79 #undef UNEXEC
+ − 80 #define UNEXEC "unexelf.o"
+ − 81 #else
+ − 82 #define UNEXEC "unexmips.o"
+ − 83 #endif
+ − 84
+ − 85 #define TEXT_START 0x400000
+ − 86 #define DATA_START 0x10000000
+ − 87
+ − 88 #undef LIBS_MACHINE
+ − 89 /* -lsun in case using Yellow Pages for passwords. */
+ − 90 #define LIBS_DEBUG
+ − 91
+ − 92 /* Define this if you have a fairly recent system,
+ − 93 in which crt1.o and crt1.n should be used. */
+ − 94 #define HAVE_CRTN
+ − 95
+ − 96 #ifndef USG5_4
+ − 97 #ifdef HAVE_CRTN
+ − 98 /* Must define START-FILES so that the linker can find /usr/lib/crt0.o. */
+ − 99 #define START_FILES "pre-crt0.o /usr/lib/crt1.o"
+ − 100 #define LIB_STANDARD "-lc /usr/lib/crtn.o"
+ − 101 #else
+ − 102 #define START_FILES "pre-crt0.o /usr/lib/crt0.o"
+ − 103 /* The entry-point label (start of text segment) is `start', not `__start'. */
+ − 104 #define DEFAULT_ENTRY_ADDRESS start
+ − 105 #define LIB_STANDARD "-lc"
+ − 106 #endif
+ − 107 #endif
+ − 108
+ − 109 /* Use terminfo instead of termcap. */
+ − 110
+ − 111 #define TERMINFO
+ − 112
+ − 113 /* Letter to use in finding device name of first pty,
+ − 114 if system supports pty's. 'a' means it is /dev/ptya0 */
+ − 115
+ − 116 #undef FIRST_PTY_LETTER
+ − 117 #define FIRST_PTY_LETTER 'q'
+ − 118
+ − 119 /* Define STACK_DIRECTION for alloca.c */
+ − 120
+ − 121 #undef STACK_DIRECTION
+ − 122 #define STACK_DIRECTION -1