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428
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1 /* Machine description file for PFU A-series.
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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 /* Say this machine is a 68000 */
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24
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25 #define m68000
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26 #define mc68000 1
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27
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28 /* XINT must explicitly sign-extend */
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29
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30 #define EXPLICIT_SIGN_EXTEND
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31
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32 /* Define NO_REMAP if memory segmentation makes it not work well
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33 to change the boundary between the text section and data section
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34 when Emacs is dumped. If you define this, the preloaded Lisp
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35 code will not be sharable; but that's better than failing completely. */
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36
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37 #define NO_REMAP
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38
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39 /* Define TEXT_START_ADDR if your linker don't set execute point to _start.
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40 If it needed, temacs always CORE-DUMP. */
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41
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42 #define TEXT_START_ADDR __start
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43
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44 /* Define START_FILES if your machine used _start.
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45 */
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46
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47 #define START_FILES "crt0.o"
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48
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49 /* Define LD_SWITCH_MACHINE if your linker needs it.
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50 */
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51
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52 #define LD_SWITCH_MACHINE "-e __start"
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53
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54 #if pfa50 || pfa70
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55
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56 /* On A-50/60/70/80, data space has high order byte use. */
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57 #define VALBITS 26
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58 #define VALMASK (((1<<VALBITS) - 1) | 0x60000000)
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59 /* XEmacs: markbit is between type bits and value bits */
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60 /* #define XTYPE(a) ((enum Lisp_Type) (((a) >> VALBITS) & GCTYPEMASK)) */
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61 #define XTYPE(a) ((enum Lisp_Type) (((a) >> ((VALBITS) + 1)) & GCTYPEMASK))
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62
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63 #endif /* pfa50, pfa70 */
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64
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65 /* SX/A has alloca in the PW library. */
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66
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67 #define LIB_STANDARD "-lPW -lc"
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68 #define HAVE_ALLOCA
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69
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70 /* SX/A uses terminfo and lib/curses */
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71
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72 #define TERMINFO
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73
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74 #define HAVE_PTYS
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75
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76 /* SX/A use SystemV style getdents/readdir. */
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77
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78 #define NO_SIOCTL_H
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79
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80 #define BROKEN_SIGIO
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