[363] | 1 | #! /usr/bin/perl
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| 2 | #
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| 3 | # TOPPERS/JSP Kernel
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| 4 | # Toyohashi Open Platform for Embedded Real-Time Systems/
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| 5 | # Just Standard Profile Kernel
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| 6 | #
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| 7 | # Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
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| 8 | # Toyohashi Univ. of Technology, JAPAN
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| 9 | # Copyright (C) 2004-2005 by Embedded and Real-Time Systems Laboratory
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| 10 | # Graduate School of Information Science, Nagoya Univ., JAPAN
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| 11 | #
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| 12 | # ä¸è¨èä½æ¨©è
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| 13 | ã¯ï¼ä»¥ä¸ã® (1)ã(4) ã®æ¡ä»¶ãï¼Free Software Foundation
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| 14 | # ã«ãã£ã¦å
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| 15 | ¬è¡¨ããã¦ãã GNU General Public License ã® Version 2 ã«è¨
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| 16 | # è¿°ããã¦ããæ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§ã¢ï¼æ¬ã½ããã¦ã§ã¢
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| 17 | # ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹å¤ã»åé
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| 18 | å¸ï¼ä»¥ä¸ï¼
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| 19 | # å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 20 | # (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 21 | # 権表示ï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãï¼ãã®ã¾ã¾ã®å½¢ã§ã½ã¼
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| 22 | # ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 23 | # (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 24 | # ç¨ã§ããå½¢ã§åé
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| 25 | å¸ããå ´åã«ã¯ï¼åé
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| 26 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 27 | # è
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| 28 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 29 | # ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 30 | # (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 31 | # ç¨ã§ããªãå½¢ã§åé
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| 32 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 33 | # ã¨ï¼
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| 34 | # (a) åé
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| 35 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 36 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 37 | # ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 38 | # (b) åé
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| 39 | å¸ã®å½¢æ
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| 40 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 41 | # å ±åãããã¨ï¼
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| 42 | # (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 43 | # 害ãããï¼ä¸è¨èä½æ¨©è
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| 44 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 45 | 責ãããã¨ï¼
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| 46 | #
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| 47 | # æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 48 | ã
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| 49 | # ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ãã®é©ç¨å¯è½æ§ã
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| 50 | # å«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´
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| 51 | # æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ãã®è²¬ä»»ãè² ããªãï¼
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| 52 | #
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| 53 | # @(#) $Id: genoffset,v 1.18 2005/11/12 15:00:36 hiro Exp $
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| 54 | #
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| 55 |
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| 56 | #
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| 57 | # åæå
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| 58 | #
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| 59 | $infile = $ARGV[0];
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| 60 |
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| 61 | #
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| 62 | # ããããµã¼ã
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| 63 | #
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| 64 | sub search_bit {
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| 65 | my($val) = @_;
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| 66 | my($val_bit);
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| 67 |
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| 68 | return(-1) if ($val == 0);
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| 69 |
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| 70 | $val_bit = 0;
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| 71 | while (($val & 1) == 0) {
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| 72 | $val >>= 1;
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| 73 | $val_bit++;
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| 74 | }
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| 75 | return($val_bit);
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| 76 | }
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| 77 |
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| 78 | #
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| 79 | # ãªãã»ããå¤ã®åºå
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| 80 | #
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| 81 | sub parse_offset {
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| 82 | if ($line =~ /OFFSET_DEF ([^ \t]+) = [#\$]?([^ \t]+)/) {
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| 83 | printf "#define %s\t%d\n",$1,$2;
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| 84 | }
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| 85 | }
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| 86 |
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| 87 | #
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| 88 | # 解éã§ãããã£ã¬ã¯ãã£ãã®ãã¼ãã«
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| 89 | #
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| 90 | %directives = (
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| 91 | "long", "",
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| 92 | "dword", "",
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| 93 | "word", "",
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| 94 | "hword", "",
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| 95 | "int", "",
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| 96 | "short", "",
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| 97 | "half", "",
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| 98 | "byte", "",
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| 99 | "value", "",
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| 100 | "uaword", "",
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| 101 | "uashort", "",
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| 102 | "data32", 4,
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| 103 | "data16", 2,
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| 104 | "data8", 1,
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| 105 | "zero", -1,
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| 106 | "space", -1,
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| 107 | "globl", 0,
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| 108 | "global", 0,
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| 109 | "align", 0,
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| 110 | "p2align", 0,
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| 111 | "even", 0,
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| 112 | "data", 0,
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| 113 | "stabs", 0,
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| 114 | "type", 0,
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| 115 | "size", 0,
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| 116 | "section", 0,
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| 117 | "sdata", 0,
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| 118 | "code", 0,
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| 119 | );
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| 120 |
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| 121 | #
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| 122 | # ãããä½ç½®ã®åºå
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| 123 | #
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| 124 | sub parse_bit {
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| 125 | my($endian, $size) = @_;
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| 126 | my($offset, $dir, $val, $val_bit);
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| 127 |
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| 128 | return unless ($line =~ /BIT_([BL])([BHW])_([^ \t]+):/);
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| 129 | $label = $3;
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| 130 |
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| 131 | $offset = 0;
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| 132 | while ($line = <INFILE>) {
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| 133 | chomp $line;
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| 134 | next if ($line =~ /^[ \t]*[#;].*$/);
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| 135 |
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| 136 | if ($line =~ /[ \t]*\.([a-zA-Z0-9]+)[ \t]*([^ \t]*)[ \t]*/
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| 137 | && defined($dir = $directives{$1})) {
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| 138 | $val = $2;
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| 139 |
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| 140 | # 16é²æ°ã¨8é²æ°ã®æ°å¤ã¸ã®å¤æå¦ç
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| 141 | if ($val =~ /^0x(.+)$/) {
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| 142 | $val = hex($1);
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| 143 | }
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| 144 | elsif ($val =~ /^0(.+)$/) {
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| 145 | $val = oct($1);
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| 146 | }
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| 147 |
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| 148 | if ($dir eq "") {
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| 149 | # ãµã¤ãºãç¥ããªããã£ã¬ã¯ãã£ã
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| 150 | print STDERR "genoffset: unknown directive: ",
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| 151 | "$line\n";
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| 152 | $error = 1;
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| 153 | }
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| 154 | elsif ($dir == 0) {
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| 155 | # èªã¿é£ã°ãã¹ããã£ã¬ã¯ãã£ã
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| 156 | next;
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| 157 | }
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| 158 | elsif ($dir == -1) {
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| 159 | # .zero ãã£ã¬ã¯ãã£ãã®å¦ç
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| 160 | $offset += $val;
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| 161 | next;
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| 162 | }
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| 163 | elsif ($val == 0) {
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| 164 | # å¤ã 0 ã®ãã£ã¼ã«ãã®å¦ç
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| 165 | $offset += $dir;
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| 166 | next;
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| 167 | }
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| 168 |
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| 169 | # ãããä½ç½®ãæ¢ã
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| 170 | $val_bit = do search_bit($val);
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| 171 |
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| 172 | # ãã¤ãåä½ã«æç®ãã
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| 173 | if ($endian eq "B") {
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| 174 | $offset += $dir - 1;
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| 175 | $offset -= $val_bit >> 3;
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| 176 | }
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| 177 | else {
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| 178 | $offset += $val_bit >> 3;
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| 179 | }
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| 180 | $val_bit &= 0x07;
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| 181 |
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| 182 | # åºååä½ã«æç®ãã
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| 183 | if ($size eq "W") {
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| 184 | if ($endian eq "B") {
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| 185 | $val_bit += 24;
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| 186 | $val_bit -= ($offset & 0x03) << 3;
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| 187 | }
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| 188 | else {
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| 189 | $val_bit += ($offset & 0x03) << 3;
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| 190 | }
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| 191 | $offset &= ~0x03;
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| 192 | }
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| 193 | elsif ($size eq "H") {
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| 194 | if ($endian eq "B") {
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| 195 | $val_bit += 8;
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| 196 | $val_bit -= ($offset & 0x01) << 3;
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| 197 | }
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| 198 | else {
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| 199 | $val_bit += ($offset & 0x01) << 3;
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| 200 | }
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| 201 | $offset &= ~0x01;
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| 202 | }
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| 203 | last;
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| 204 | }
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| 205 | else {
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| 206 | # 解æã§ããªãè¡
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| 207 | print STDERR "genoffset: cannot parse: $line\n";
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| 208 | $error = 1;
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| 209 | }
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| 210 | }
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| 211 |
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| 212 | # å®ç¾©ã®åºå
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| 213 | $label =~ s/^_//;
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| 214 | printf "#define %s\t%d\n",$label,$offset;
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| 215 | printf "#define %s_bit\t%d\n",$label,$val_bit;
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| 216 | printf "#define %s_mask\t0x%x\n",$label,(1 << $val_bit);
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| 217 | }
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| 218 |
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| 219 | #
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| 220 | # ãã£ã¬ã¯ãã£ãã®èªã¿åã
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| 221 | #
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| 222 | sub ref_bit {
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| 223 | my($size, $dir, $directive);
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| 224 |
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| 225 | return unless ($line =~ /BIT_REF_([0-9]+):/);
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| 226 | $size = $1;
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| 227 |
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| 228 | while ($line = <INFILE>) {
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| 229 | chomp $line;
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| 230 | next if ($line =~ /^[ \t]*[#;].*$/);
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| 231 |
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| 232 | if ($line =~ /[ \t]*\.([a-zA-Z0-9]+)[ \t]*([^ \t]*)[ \t]*/
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| 233 | && defined($dir = $directives{$1})) {
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| 234 | $directive = $1;
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| 235 | if ($dir eq "") {
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| 236 | # ç»é²ãã¹ããã£ã¬ã¯ãã£ã
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| 237 | $directives{$directive} = $size;
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| 238 | }
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| 239 | last;
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| 240 | }
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| 241 | else {
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| 242 | # 解æã§ããªãè¡
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| 243 | print STDERR "genoffset: cannot parse: $line\n";
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| 244 | $error = 1;
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| 245 | }
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| 246 | }
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| 247 | }
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| 248 |
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| 249 | #
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| 250 | # ã¡ã¤ã³ã«ã¼ãã³
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| 251 | #
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| 252 | print "/* This file is generated by genoffset. */\n";
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| 253 | print "\n";
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| 254 |
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| 255 | $error = 0;
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| 256 | open(INFILE, $infile) || die "Cannot open $infile";
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| 257 | while ($line = <INFILE>) {
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| 258 | chomp $line;
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| 259 |
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| 260 | if ($line =~ /^[ \t]*OFFSET_DEF/) {
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| 261 | do parse_offset();
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| 262 | }
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| 263 | elsif ($line =~ /^[ \t]*_?BIT_REF/) {
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| 264 | do ref_bit();
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| 265 | }
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| 266 | }
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| 267 | seek(INFILE, 0, SEEK_SET);
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| 268 | while ($line = <INFILE>) {
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| 269 | chomp $line;
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| 270 |
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| 271 | if ($line =~ /^[ \t]*_?BIT_([BL])([BHW])/) {
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| 272 | do parse_bit($1, $2);
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| 273 | }
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| 274 | }
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| 275 | close(INFILE);
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| 276 | exit($error);
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