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1 /* machine description file for convergent S series.
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2 Copyright (C) 1989 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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412
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23 /* Define WORD_MACHINE if addresses and such have
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24 * to be corrected before they can be used as byte counts. */
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25
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26 /* #define WORD_MACHINE */
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27
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0
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28 /* Now define a symbol for the cpu type, if your compiler
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29 does not define it automatically. */
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30
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31 #define m68000
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32
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412
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33 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
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34 the bit field into an int. In other words, if bit fields
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35 are always unsigned.
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36
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37 If you use NO_UNION_TYPE, this flag does not matter. */
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38
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39 #define EXPLICIT_SIGN_EXTEND
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40
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0
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41 /* Data type of load average, as read out of kmem.
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42 These are commented out since it is not supported by this machine. */
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43
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44 #define LOAD_AVE_TYPE double
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45
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46 /* Convert that into an integer that is 100 for a load average of 1.0 */
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47
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48 #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
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49
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50 /* Define CANNOT_DUMP on machines where unexec does not work.
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51 Then the function dump-emacs will not be defined
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52 and temacs will do (load "loadup") automatically unless told otherwise. */
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53
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54 /* #define CANNOT_DUMP */
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55
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56 /* Define VIRT_ADDR_VARIES if the virtual addresses of
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57 pure and impure space as loaded can vary, and even their
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58 relative order cannot be relied on.
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59
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60 Otherwise Emacs assumes that text space precedes data space,
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61 numerically. */
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62
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63 #undef VIRT_ADDR_VARIES
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64
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65 /* Define C_ALLOCA if this machine does not support a true alloca
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66 and the one written in C should be used instead.
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67 Define HAVE_ALLOCA to say that the system provides a properly
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68 working alloca function and it should be used.
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69 Define neither one if an assembler-language alloca
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70 in the file alloca.s should be used. */
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71
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72 #define C_ALLOCA
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73 #undef HAVE_ALLOCA
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74
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75 /* Define NO_REMAP if memory segmentation makes it not work well
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76 to change the boundary between the text section and data section
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77 when Emacs is dumped. If you define this, the preloaded Lisp
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78 code will not be sharable; but that's better than failing completely. */
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79
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80 #define NO_REMAP
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81
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82 /* Change some things to avoid bugs in compiler. */
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83
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84 #define SWITCH_ENUM_BUG
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85
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86 /* grows towards lower addresses. */
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87
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88 #define STACK_DIRECTION -1
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89
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90 /* some errno.h's don't actually allocate the variable itself.
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91 Cause crt0.c to define errno. */
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92
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93 #define NEED_ERRNO
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