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1 /* machine description file for Silicon Graphics Iris 2500 Turbos;
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2 also possibly for non-turbo Irises with system release 2.5.
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3 Copyright (C) 1985, 1986 Free Software Foundation, Inc.
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4
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5 This file is part of GNU Emacs.
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6
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7 GNU Emacs is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 2, or (at your option)
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10 any later version.
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11
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12 GNU Emacs is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with XEmacs; see the file COPYING. If not, write to
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19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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20 Boston, MA 02111-1307, USA. */
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21
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22 /* Synched up with: FSF 19.31. */
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23
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24 /* The following line tells the configuration script what sort of
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25 operating system this machine is likely to run.
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26 USUAL-OPSYS="note"
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27 NOTE-START
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28 Version 18 said to work; use -opsystem=irist3-5 for system version 2.5
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29 and -opsystem=iris3-6 for system versions 3.6 and up.
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30 NOTE-END */
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31
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32 #if 0
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33 Message-Id: <8705050653.AA20004@orville.arpa>
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34 Subject: gnu emacs 18.41 on iris [23].5 machines
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35 Date: 04 May 87 23:53:11 PDT (Mon)
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36 From: raible@orville.arpa
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37
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38 Aside from the SIGIOT, I know of only one bug, a real strange one:
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39 I wrote a utimes interface, which copies elements from timevals
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40 to utimbufs. This code is known good. The problem is that in
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41 emacs, the utime doesn't seem to take effect (i.e. doesn't change the
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42 dates at all) unless I call report_file_error *after* the utime returns!
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43
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44 if (utime (name, &utb) < 0)
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45 return;
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46 else
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47 /* XXX XXX XXX */
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48 /* For some reason, if this is taken out, then the utime above breaks! */
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49 /* (i.e. it doesn't set the time. This just makes no sense... */
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50 /* Eric - May 4, 1987 */
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51 report_file_error ("Worked just find\n", Qnil);
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52
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53 Without any sort of debugger that works on emacs (I know... but I don't have
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54 *time* right now to start with gdb), it was quite time consuming to track
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55 it down to this.
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56
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57 But since this code is only used for an optional 4th argument to one command
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58 (copy-file), it would say that it is non-critical...
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59 #endif /* 0 */
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60
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61 /* Define WORD_MACHINE if addresses and such have
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62 * to be corrected before they can be used as byte counts. */
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63
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64 /* #define WORD_MACHINE */
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65
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66 /* Now define a symbol for the cpu type, if your compiler
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67 does not define it automatically:
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68 Ones defined so far include vax, m68000, ns16000, pyramid,
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69 orion, tahoe, APOLLO and many others */
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70
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71 #ifndef m68000
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72 #define m68000
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73 #endif
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74
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75 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
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76 the bit field into an int. In other words, if bit fields
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77 are always unsigned.
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78
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79 If you use NO_UNION_TYPE, this flag does not matter. */
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80
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81 #define EXPLICIT_SIGN_EXTEND
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82
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83 /* Data type of load average, as read out of kmem. */
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84
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85 #define LOAD_AVE_TYPE long
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86
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87 /* Convert that into an integer that is 100 for a load average of 1.0 */
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88
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89 #define FSCALE 1.0
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90 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
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91
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92 /* Define CANNOT_DUMP on machines where unexec does not work.
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93 Then the function dump-emacs will not be defined
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94 and temacs will do (load "loadup") automatically unless told otherwise. */
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95
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96 /* #define CANNOT_DUMP */
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97
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98 /* Define VIRT_ADDR_VARIES if the virtual addresses of
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99 pure and impure space as loaded can vary, and even their
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100 relative order cannot be relied on.
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101
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102 Otherwise Emacs assumes that text space precedes data space,
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103 numerically. */
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104
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105 /* #define VIRT_ADDR_VARIES */
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106
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107 /* Define C_ALLOCA if this machine does not support a true alloca
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108 and the one written in C should be used instead.
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109 Define HAVE_ALLOCA to say that the system provides a properly
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110 working alloca function and it should be used.
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111 Define neither one if an assembler-language alloca
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112 in the file alloca.s should be used. */
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113
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114 /* #define C_ALLOCA */
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115 #define HAVE_ALLOCA
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116
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117 /* Define NO_REMAP if memory segmentation makes it not work well
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118 to change the boundary between the text section and data section
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119 when Emacs is dumped. If you define this, the preloaded Lisp
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120 code will not be sharable; but that's better than failing completely. */
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121
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122 /* #define NO_REMAP */
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123
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124 /* There is an inconsistency between the sgi assembler, linker which barfs
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125 on these. */
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126
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127 #define internal_with_output_to_temp_buffer stupid_long_name1
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128 #define Finsert_abbrev_table_description stupid_long_name2
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