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428
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1 /* machine description file for Gould PowerNodes with UTX/32 2.0 and 2.1.
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2 (See MACHINES for older versions.)
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3
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4 * NOTE: If you are running a pre-release of UTX/32 2.1 you should #define
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5 * RELEASE2_1 in config.h. This may also be necessary with un-updated
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6 * official releases of 2.1
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7
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8 Copyright (C) 1986 Free Software Foundation, Inc.
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9
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10 This file is part of GNU Emacs.
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11
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12 GNU Emacs is free software; you can redistribute it and/or modify
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13 it under the terms of the GNU General Public License as published by
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14 the Free Software Foundation; either version 2, or (at your option)
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15 any later version.
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16
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17 GNU Emacs is distributed in the hope that it will be useful,
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18 but WITHOUT ANY WARRANTY; without even the implied warranty of
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19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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20 GNU General Public License for more details.
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21
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22 You should have received a copy of the GNU General Public License
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23 along with XEmacs; see the file COPYING. If not, write to
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24 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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25 Boston, MA 02111-1307, USA. */
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26
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27 /* Synched up with: FSF 19.31. */
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28
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29 /* The following line tells the configuration script what sort of
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30 operating system this machine is likely to run.
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31 USUAL-OPSYS="note"
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32
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33 NOTE-START
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34 Gould Power Node (-machine=gould -opsystem=bsd4-2 or bsd4-3)
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35 (gould.h; s-bsd4-2.h or s-bsd4-3.h)
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36
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37 18.36 worked on versions 1.2 and 2.0 of the operating system.
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38
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39 On UTX/32 2.0, use -opsystem=bsd4-3
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40
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41 On UTX/32 1.2 and UTX/32S 1.0, use -opsystem=bsd4-2 and note that compiling
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42 lib-src/sorted-doc tickles a compiler bug: remove the -g flag to cc in the
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43 makefile.
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44
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45 Version 19 incorporates support for releases 2.1 and later of UTX/32.
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46 A site running a pre-release of 2.1 should #define RELEASE2_1 in config.h.
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47 NOTE-END */
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48
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49 /* Now define a symbol for the cpu type, if your compiler
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50 does not define it automatically */
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51
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52 #ifndef GOULD
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53 #define GOULD
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54 #endif
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55
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56 /* sel is an old preprocessor name on gould machines
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57 - it is no longer needed and interferes with a variable in xmenu.c */
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58 #undef sel
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59
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60 /* Data type of load average, as read out of kmem. */
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61
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62 #define LOAD_AVE_TYPE double
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63
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64 /* Convert that into an integer that is 100 for a load average of 1.0 */
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65
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66 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0)
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67
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68 /* No need to extend the user stack. */
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69
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70 /* If this is a 2.1 system, COFF will be predefined by cpp. If it's */
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71 /* pre-2.1 COFF won't be defined, which is as it should be. */
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72
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73 #ifdef COFF
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74
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75 #define HEADER_INCL_IN_TEXT
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76 #define COFF_BSD_SYMBOLS
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77
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78 /* Seems to be necessary with coff */
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79 #define NO_REMAP
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80
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81 #ifndef GOULD_NP1
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82 /* gould-np1.h includes this file */
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83 /* keep the old value - don't skip over the headers */
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84 #define KEEP_OLD_TEXT_SCNPTR
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85 #define KEEP_OLD_PADDR
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86 #ifndef RELEASE2_1
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87 #define ADJUST_TEXTBASE
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88 #endif /*RELEASE2_1*/
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89 #endif /* GOULD_NP1 */
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90
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91 #ifdef IN_UNEXEC
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92 /* make Gould NP and PN COFF look like USG COFF */
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93 /* PN COFF */
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94 #define aouthdr old_exec
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95 /* PN COFF doesn't have a data_start or a_dtbase field in its */
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96 /* optional header, so substitute a junk field */
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97 #define a_dtbase a_ccvers
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98 /* Gould COFF */
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99 #define magic a_magic
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100 #define tsize a_text
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101 #define dsize a_data
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102 #define bsize a_bss
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103 #define entry a_entry
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104 #define text_start a_txbase
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105 #define data_start a_dtbase
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106 #endif /* IN_UNEXEC */
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107
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108 /* Define how to search all pty names.
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109 * This is for UTX 2.1 and greater on PN and all NP versions. It is only
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110 * accident that this happens to correspond to the same versions of UTX
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111 * as COFF does, but we'll take advantage of that here.
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112 */
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113
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114 /*#define USE_PTY_PAIR*/
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115
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116 #endif /* COFF */
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117
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118 /* -g is sometimes broken on the Gould. */
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119
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120 #define C_DEBUG_SWITCH
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121
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122 /* The GOULD machine counts the a.out file header as part of the text. */
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123
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124 #define A_TEXT_OFFSET(HDR) sizeof (HDR)
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125
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126 /* Machine-dependent action when about to dump an executable file. */
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127
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128 #ifndef COFF
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129 #define ADJUST_EXEC_HEADER \
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130 unexec_text_start = hdr.a_txbase + sizeof (hdr);
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131 #endif
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132
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133 /* We use the system's crt0.o. Somehow it avoids losing
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134 with `environ' the way most standard crt0.o's do. */
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135
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136 #define START_FILES "pre-crt0.o /lib/crt0.o"
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