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1 /* machine description file for tek4300.
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2 Copyright (C) 1988 Free Software Foundation, Inc.
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3
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4 This file is part of GNU Emacs.
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5
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6 GNU Emacs is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2, or (at your option)
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9 any later version.
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10
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11 GNU Emacs is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: FSF 19.31. */
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22
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23 /* The following line tells the configuration script what sort of
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24 operating system this machine is likely to run.
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25 USUAL-OPSYS="bsd4-3" */
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26
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27 /* Define WORD_MACHINE if addresses and such have
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28 * to be corrected before they can be used as byte counts. */
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29
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30 #undef WORD_MACHINE
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31
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32 /* Now define a symbol for the cpu type, if your compiler
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33 does not define it automatically. */
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34
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35 #ifndef tek4300
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36 #define tek4300
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37 #endif
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38
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39 /* Data type of load average, as read out of kmem. */
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40
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41 #define LOAD_AVE_TYPE long
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42
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43 /* Convert that into an integer that is 100 for a load average of 1.0 */
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44
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45 #define LOAD_AVE_CVT(x) (x)
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46
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47 /* Define NO_REMAP if memory segmentation makes it not work well
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48 to change the boundary between the text section and data section
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49 when Emacs is dumped. If you define this, the preloaded Lisp
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50 code will not be sharable; but that's better than failing completely. */
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51
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52 #define NO_REMAP
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53
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54 /* Define C_ALLOCA if this machine does not support a true alloca
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55 and the one written in C should be used instead. */
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56
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57 #define C_ALLOCA
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58
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59 /* The text segment always starts at a fixed address.
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60 This way we don't need to have a label _start defined. */
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61
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62 #define TEXT_START 0
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63
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64 /* The Tektronix exec struct for ZMAGIC files is struct zexec */
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65
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66 #define EXEC_HDR_TYPE struct zexec
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67
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68 /* The entry-point label (start of text segment) is `start', not `__start'. */
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69
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70 #define DEFAULT_ENTRY_ADDRESS start
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71
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72 /* Use the system's malloc calls, gmalloc.c won't work for us. */
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73
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74 #define SYSTEM_MALLOC
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75
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76 /* In building xmakefile, "cc -E -g" forcibly reads from stdin. Since we
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77 can't remove the CFLAGS from that "cc -E" invocation, make sure we
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78 never pass -g. If you want to debug, remove the following, and fix
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79 src/Makefile.in so it doesn't pass ${CFLAGS} when creating xmakefile. */
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80
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81 #define C_DEBUG_SWITCH
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82
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83 /* eirik@elf.ithaca.ny.us said this was needed in 19.22. */
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84 #define NO_MODE_T
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85
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86 /* Formerly "BSD_PGRPS" */
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87
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88 #define SIGIO_REQUIRES_SEPARATE_PROCESS_GROUP
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