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1 /* alliant.h Alliant machine running system version 2 or 3.
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2 Copyright (C) 1985, 1986, 1987 Free Software Foundation, Inc.
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3 Note that for version 1 of the Alliant system
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4 you should use alliant1.h instead of this file.
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5 Use alliant4.h for version 4.
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6
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7 This file is part of GNU Emacs.
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8
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9 GNU Emacs is free software; you can redistribute it and/or modify
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10 it under the terms of the GNU General Public License as published by
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11 the Free Software Foundation; either version 2, or (at your option)
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12 any later version.
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13
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14 GNU Emacs is distributed in the hope that it will be useful,
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15 but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 GNU General Public License for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with XEmacs; see the file COPYING. If not, write to
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21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 Boston, MA 02111-1307, USA. */
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23
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24 /* Synched up with: FSF 19.31. */
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25
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26 /* The following line tells the configuration script what sort of
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27 operating system this machine is likely to run.
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28 USUAL-OPSYS="bsd4-2" */
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29
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30 /* Now define a symbol for the cpu type, if your compiler
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31 does not define it automatically:
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32 vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
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33 are the ones defined so far. */
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34
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35 #define ALLIANT
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36
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37 /* No load average information available for Alliants. */
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38
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39 #undef LOAD_AVE_TYPE
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40 #undef LOAD_AVE_CVT
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41
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42 /* Define CANNOT_DUMP on machines where unexec does not work.
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43 Then the function dump-emacs will not be defined
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44 and temacs will do (load "loadup") automatically unless told otherwise. */
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45
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46 #undef CANNOT_DUMP
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47
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48 /* Define VIRT_ADDR_VARIES if the virtual addresses of
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49 pure and impure space as loaded can vary, and even their
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50 relative order cannot be relied on.
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51
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52 Otherwise Emacs assumes that text space precedes data space,
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53 numerically. */
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54
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55 #undef VIRT_ADDR_VARIES
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56
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57 /* Define C_ALLOCA if this machine does not support a true alloca
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58 and the one written in C should be used instead.
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59 Define HAVE_ALLOCA to say that the system provides a properly
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60 working alloca function and it should be used.
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61 Define neither one if an assembler-language alloca
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62 in the file alloca.s should be used. */
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63
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64 #undef C_ALLOCA
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65 #define HAVE_ALLOCA
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66
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67 #ifdef ALLIANT_1
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68 #define C_ALLOCA
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69 #undef HAVE_ALLOCA
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70 #endif /* ALLIANT_1 */
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71
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72 /* Define NO_REMAP if memory segmentation makes it not work well
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73 to change the boundary between the text section and data section
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74 when Emacs is dumped. If you define this, the preloaded Lisp
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75 code will not be sharable; but that's better than failing completely. */
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76 /* Actually, Alliant CONCENTRIX does paging "right":
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77 data pages are copy-on-write, which means that the pure data areas
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78 are shared automatically and remapping is not necessary. */
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79
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80 #define NO_REMAP
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81
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82 /* Alliant needs special crt0.o because system version is not reentrant */
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83
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163
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84 #define START_FILES "crt0.o"
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0
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85
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86 /* Alliant dependent code for dumping executing image.
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87 See crt0.c code for alliant. */
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88
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89 #define ADJUST_EXEC_HEADER {\
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90 extern int _curbrk, _setbrk;\
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91 _setbrk = _curbrk;\
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92 hdr.a_bss_addr = bss_start;\
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93 unexec_text_start = hdr.a_text_addr;}
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94
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95 /* cc screws up on long names. Try making cpp replace them. */
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96
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97 #ifdef ALLIANT_1
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98 #define Finsert_abbrev_table_description Finsert_abbrev_table_descrip
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99 #define internal_with_output_to_temp_buffer internal_with_output_to_tem
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100 #endif
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101
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102 /* "vector" is a typedef in /usr/include/machine/reg.h, so its use as
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103 a variable name causes errors when compiling under ANSI C. */
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104
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105 #define vector xxvector
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