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428
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1 /* RTPC machine dependent defines
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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="bsd4-2" */
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26
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27 /* Now define a symbol for the cpu type, if your compiler
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28 does not define it automatically. */
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29
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30 /* XEmacs change */
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31 #ifndef ibmrt
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32 #define ibmrt
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33 #endif
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34 #ifndef romp
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35 #define romp /* unfortunately old include files are hanging around. */
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36 #endif
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37
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38 /* Data type of load average, as read out of kmem. */
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39
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40 #define LOAD_AVE_TYPE double /* For AIS (sysV) */
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41
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42 /* Convert that into an integer that is 100 for a load average of 1.0 */
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43
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44 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0)
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45
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46 /* Define CANNOT_DUMP on machines where unexec does not work.
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47 Then the function dump-emacs will not be defined
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48 and temacs will do (load "loadup") automatically unless told otherwise. */
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49
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50 /* #define CANNOT_DUMP */
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51
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52 /* Define C_ALLOCA if this machine does not support a true alloca
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53 and the one written in C should be used instead.
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54 Define HAVE_ALLOCA to say that the system provides a properly
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55 working alloca function and it should be used.
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56 Define neither one if an assembler-language alloca
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57 in the file alloca.s should be used. */
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58
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59 #define HAVE_ALLOCA
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60
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61 #define DATA_START 0x10000000
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62
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63 /* The text segment always starts at a fixed address.
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64 This way we don't need to have a label _start defined. */
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65 #define TEXT_START 0
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66
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67 /* Taking a pointer to a char casting it as int pointer */
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68 /* and then taking the int which the int pointer points to */
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69 /* is practically guaranteed to give erroneous results */
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70
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71 #define NEED_ERRNO
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72
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73 #define SKTPAIR
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74
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75 /* Special switches to give the C compiler. */
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76
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77 #ifndef __GNUC__
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78 #define C_SWITCH_MACHINE "-Dalloca=_Alloca"
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79 #endif
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80
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81 /* XEmacs addition: */
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82 /* Under Mach at least, gcc doesn't seem to work as the linker. */
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83 #ifdef MACH
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84 #define START_FILES "pre-crt0.o"
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85 #ifdef __GNUC__
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86 #define LINKER "pcc"
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87 #endif
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88 #endif
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89
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90 /* Don't attempt to relabel some of the data as text when dumping.
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91 It does not work because their virtual addresses are not consecutive.
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92 This enables us to use the standard crt0.o. */
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93
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94 #define NO_REMAP
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95
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96 /* Use the bitmap files that come with Emacs. */
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97 #define EMACS_BITMAP_FILES
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