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1 /* machine description file for the NCR Tower 32 running System V.3.
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2 Copyright (C) 1986 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="usg5-3" */
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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 /* #define 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 vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
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35 are the ones defined so far. */
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36 #define m68000
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37
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38 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
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39 the bit field into an int. In other words, if bit fields
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40 are always unsigned.
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41
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42 If you use NO_UNION_TYPE, this flag does not matter. */
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43
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44 #define EXPLICIT_SIGN_EXTEND
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45
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46 /* Data type of load average, as read out of kmem. */
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47
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48 /* #define LOAD_AVE_TYPE long */
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49
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50 /* Convert that into an integer that is 100 for a load average of 1.0 */
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51
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52 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
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53
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54 /* Define CANNOT_DUMP on machines where unexec does not work.
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55 Then the function dump-emacs will not be defined
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56 and temacs will do (load "loadup") automatically unless told otherwise. */
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57
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58 /* #define CANNOT_DUMP */
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59
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60 /* Define VIRT_ADDR_VARIES if the virtual addresses of
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61 pure and impure space as loaded can vary, and even their
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62 relative order cannot be relied on.
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63
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64 Otherwise Emacs assumes that text space precedes data space,
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65 numerically. */
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66
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67 /* #define VIRT_ADDR_VARIES */
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68
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69 /* Define C_ALLOCA if this machine does not support a true alloca
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70 and the one written in C should be used instead.
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71 Define HAVE_ALLOCA to say that the system provides a properly
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72 working alloca function and it should be used.
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73 Define neither one if an assembler-language alloca
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74 in the file alloca.s should be used. */
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75
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76 #ifdef __GNUC__
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77 #define HAVE_ALLOCA
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78 #define alloca __builtin_alloca
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163
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79 #define C_OPTIMIZE_SWITCH "-O -fstrength-reduce -fomit-frame-pointer"
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80 #define LIB_STANDARD "-lc /lib/crtn.o"
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81 #else
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82 /* This section is correct if you do *not* change src/ymakefile so that
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83 CFLAGS includes C_OPTIMIZE_SWITCH rather than C_DEBUG_SWITCH. */
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84 #define HAVE_ALLOCA
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163
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85 #define "C_DEBUG_SWITCH -g -O0"
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86 #define LIB_STANDARD "-lc -lPW /lib/crtn.o"
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87 /* This section is correct if you do enable C_OPTIMIZE_SWITCH. */
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88 /* #define C_ALLOCA */
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89 /* #define STACK_DIRECTION -1 */
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90 /* #define C_OPTIMIZE_SWITCH -O2 */
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91 /* #define LIB_STANDARD -lc /lib/crtn.o */
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92 #endif
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93
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94 /* The OS maps the data section far away from the text section. */
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95 #define NO_REMAP
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96 #define TEXT_START 0
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163
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97 #define START_FILES "pre-crt0.o /lib/crt1.o"
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0
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98
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99 /* The OS has an implementation of symlinks that is semantically different
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100 from BSD, but for some silly reason it partly has the same syntax. */
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101 #undef S_IFLNK
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102
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103 /* The OS needs stream.h+ptem.h included in sysdep.c. */
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104 #define NO_SIOCTL_H
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105 #define NEED_PTEM_H
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