1 | #!perl -w |
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2 | # mapsymw - mapsym Watcom map files |
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3 | |
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4 | # Copyright (c) 2007 Steven Levine and Associates, Inc. |
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5 | # All rights reserved. |
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6 | |
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7 | # $TLIB$: $ &(#) %n - Ver %v, %f $ |
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8 | # TLIB: $ $ |
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9 | |
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10 | # This program is free software licensed under the terms of the GNU |
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11 | # General Public License. The GPL Software License can be found in |
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12 | # gnugpl2.txt or at http://www.gnu.org/licenses/licenses.html#GPL |
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13 | |
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14 | # 02 Jul 07 SHL Baseline |
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15 | # 02 Jul 07 SHL Adapt from mapsymb.pl |
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16 | # 28 Jul 07 SHL Relax module name detect |
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17 | # 30 Jul 07 SHL Auto-trim libstdc++ symbols from libc06x maps |
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18 | # 09 Aug 07 SHL Generate dummy symbol for interior segments with no symbols |
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19 | |
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20 | # mapsym requires each segment to have at least 1 symbol |
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21 | # mapsym requires 32 bit segments to have at least 1 symbol with offset > 65K |
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22 | # we generate dummy symbols to enforce this |
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23 | # mapsym does not understand segment 0 |
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24 | # we generate Imp flags to support this |
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25 | |
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26 | use strict; |
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27 | use warnings; |
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28 | |
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29 | # use Package::Subpackage Options; |
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30 | use POSIX qw(strftime); |
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31 | use Getopt::Std; |
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32 | use File::Spec; |
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33 | use File::Basename; |
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34 | |
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35 | our $g_version = '0.1'; |
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36 | |
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37 | our $g_cmdname; |
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38 | our $g_tmpdir; |
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39 | our @g_mapfiles; # All map files |
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40 | our $g_mapfile; # Current .map file name |
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41 | |
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42 | &initialize; |
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43 | |
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44 | our %g_opts; |
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45 | |
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46 | &scan_args; |
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47 | |
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48 | print "\n"; |
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49 | |
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50 | foreach $g_mapfile (@g_mapfiles) { |
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51 | &mapsym; |
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52 | } |
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53 | |
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54 | exit; |
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55 | |
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56 | # end main |
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57 | |
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58 | #=== initialize() Intialize globals === |
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59 | |
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60 | sub initialize { |
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61 | |
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62 | &set_cmd_name; |
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63 | &get_tmp_dir; |
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64 | |
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65 | } # initialize |
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66 | |
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67 | #=== mapsym() Generate work file, run mapsym on work file === |
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68 | |
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69 | sub mapsym { |
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70 | |
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71 | # Isolate map file basename |
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72 | my $mapid = basename($g_mapfile); |
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73 | $mapid =~ s/\.[^.]*$//; # Strip ext |
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74 | verbose_msg("\nProcessing $mapid"); |
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75 | |
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76 | fatal("$g_mapfile does not exist.") if ! -f $g_mapfile; |
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77 | |
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78 | open MAPFILE, $g_mapfile or die "open $g_mapfile $!"; |
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79 | |
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80 | my $g_wrkfile = File::Spec->catfile($g_tmpdir, "$mapid.map"); |
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81 | unlink $g_wrkfile || die "unlink $g_wrkfile $!" if -f $g_wrkfile; |
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82 | open WRKFILE, ">$g_wrkfile" or die "open $g_wrkfile $!"; |
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83 | |
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84 | my $modname; |
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85 | my $state = ''; |
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86 | my $segcnt = 0; |
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87 | my $symcnt = 0; |
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88 | my $is32bit; |
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89 | my %segsinfo; |
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90 | my $segnum; |
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91 | my $offset; |
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92 | my $segaddr; |
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93 | my $imp; |
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94 | |
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95 | my $segfmt; |
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96 | my $symfmt; |
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97 | |
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98 | while (<MAPFILE>) { |
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99 | |
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100 | chomp; # EOL |
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101 | |
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102 | if (/Executable Image: (\S+)\.\w+$/) { |
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103 | $modname = $1; |
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104 | print WRKFILE "Generated by $g_cmdname from $g_mapfile on ", |
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105 | strftime('%A, %B %d, %Y at %I:%M %p', localtime), "\n\n"; |
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106 | print WRKFILE " $modname\n"; |
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107 | } |
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108 | |
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109 | $state = 'segments' |
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110 | if /Segment Class Group Address Size/; |
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111 | |
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112 | $state = 'addresses' if /Address Symbol/; |
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113 | |
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114 | # Skip don't cares |
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115 | next if /^=/; |
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116 | next if /^ /; |
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117 | next if /^ /; |
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118 | |
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119 | if ($state eq 'segments') { |
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120 | # In |
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121 | # Segment Class Group Address Size |
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122 | # _TEXT16 CODE AUTO 0001:00000000 00000068 |
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123 | # Out |
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124 | # 0 1 2 3 4 5 6 |
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125 | # 123456789012345678901234567890123456789012345678901234567890 |
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126 | # Start Length Name Class |
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127 | # 0001:00000000 000000030H _MSGSEG32 CODE 32-bit |
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128 | |
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129 | if (/^(\w+)\s+(\w+)\s+\w+\s+([[:xdigit:]]+):([[:xdigit:]]+)\s+([[:xdigit:]]+)$/) { |
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130 | my $segname = $1; |
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131 | my $class = $2; |
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132 | $segnum = $3; # Has leading 0's |
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133 | $offset = $4; |
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134 | my $seglen = $5; |
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135 | |
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136 | $segaddr = "$segnum:$offset"; |
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137 | |
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138 | if (!$segcnt) { |
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139 | $is32bit = length($offset) == 8; |
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140 | print WRKFILE "\n"; |
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141 | if ($is32bit) { |
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142 | print WRKFILE " Start Length Name Class\n"; |
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143 | $segfmt = " %13s 0%8sH %-22s %s\n"; |
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144 | $symfmt = " %13s %3s %s\n"; |
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145 | } else { |
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146 | print WRKFILE " Start Length Name Class\n"; |
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147 | $segfmt = " %9s 0%4sH %-22s %s\n"; |
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148 | $symfmt = " %9s %3s %s\n"; |
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149 | } |
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150 | } |
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151 | |
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152 | $seglen = substr($5, -4) if !$is32bit; |
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153 | |
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154 | printf WRKFILE $segfmt, $segaddr, $seglen, $segname, $class; |
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155 | $segcnt++; |
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156 | } |
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157 | } # if segments |
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158 | |
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159 | if ($state eq 'addresses') { |
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160 | # In |
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161 | # Address Symbol |
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162 | # 0002:0004ae46+ ArcTextProc |
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163 | # Out |
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164 | # 0 1 2 3 4 5 6 |
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165 | # 123456789012345678901234567890123456789012345678901234567890 |
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166 | # Address Publics by Value |
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167 | # 0000:00000000 Imp WinEmptyClipbrd (PMWIN.733) |
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168 | # 0002:0001ED40 __towlower_dummy |
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169 | if (/^([[:xdigit:]]+):([[:xdigit:]]+)[+*]?\s+(\w+)$/) { |
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170 | $segnum = $1; |
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171 | $offset = $2; |
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172 | my $sym = $3; |
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173 | |
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174 | my $seginfo; |
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175 | if (defined($segsinfo{$1})) { |
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176 | $seginfo = $segsinfo{$1}; |
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177 | } |
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178 | else { |
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179 | $seginfo = {max_offset => 0, |
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180 | symcnt => 0}; |
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181 | } |
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182 | |
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183 | my $n = hex $offset; |
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184 | $seginfo->{max_offset} = $n if $n > $seginfo->{max_offset}; |
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185 | $seginfo->{symcnt}++; |
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186 | |
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187 | $segsinfo{$1} = $seginfo; |
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188 | |
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189 | $segaddr = "$segnum:$offset"; |
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190 | |
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191 | $imp = $segnum eq '0000' ? 'Imp' : ''; |
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192 | |
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193 | # Convert C++ symbols to something mapsym will accept |
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194 | |
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195 | $_ = $sym; |
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196 | |
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197 | s/\bIdle\b/ /; # Drop Idle keyword |
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198 | s/\(.*\).*$//; # Drop (... tails |
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199 | |
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200 | s/::~/_x/; # Replace ::~ with _x |
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201 | s/::/_/; # Replace :: with _ |
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202 | |
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203 | s/[<,]/_/g; # Replace < and , with _ |
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204 | s/[>]//g; # Replace <> with nothing |
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205 | s/[\[\]]//g; # Replace [] with nothing |
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206 | s/_*$//; # Drop trailing _ |
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207 | |
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208 | # Prune to avoid mapsym overflows |
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209 | if ($mapid =~ /libc06/) { |
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210 | # 0001:000b73e0 __ZNSt7codecvtIcc11__mbstate_tEC2Ej |
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211 | # next if / [0-9A-F]{4}:[0-9A-F]{8} {7}S/; |
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212 | next if /\b__Z/; # Prune libstdc++ |
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213 | } |
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214 | |
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215 | if (!$symcnt) { |
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216 | print WRKFILE "\n"; |
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217 | if ($is32bit) { |
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218 | print WRKFILE " Address Publics by Value\n"; |
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219 | } else { |
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220 | print WRKFILE " Address Publics by Value\n"; |
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221 | } |
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222 | } |
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223 | |
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224 | printf WRKFILE $symfmt, $segaddr, $imp, $_; |
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225 | $symcnt++; |
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226 | } |
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227 | } # if addresses |
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228 | |
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229 | } # while lines |
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230 | |
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231 | close MAPFILE; |
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232 | |
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233 | # Generate dummy symbols as needed |
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234 | |
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235 | my @keys = sort keys %segsinfo; |
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236 | if (@keys) { |
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237 | my $maxseg = pop @keys; |
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238 | @keys = '0000'..$maxseg; |
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239 | } |
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240 | |
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241 | foreach $segnum (@keys) { |
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242 | if ($segnum != 0) { |
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243 | my $seginfo; |
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244 | if (defined($segsinfo{$segnum})) { |
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245 | $seginfo = $segsinfo{$segnum}; |
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246 | } |
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247 | else { |
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248 | $seginfo = {max_offset => 0, |
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249 | symcnt => 0}; |
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250 | } |
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251 | if ($seginfo->{symcnt} == 0) { |
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252 | warn "Segment $segnum has no symbols - generating dummy symbol\n"; |
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253 | $_ = "Seg${segnum}_dummy"; |
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254 | if ($is32bit) { |
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255 | $segaddr = "$segnum:00010000"; |
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256 | } else { |
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257 | $segaddr = "$segnum:0000"; |
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258 | } |
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259 | $imp = ''; |
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260 | printf WRKFILE $symfmt, $segaddr, $imp, $_; |
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261 | $symcnt++; |
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262 | } elsif ($is32bit && $seginfo->{max_offset} < 0x10000) { |
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263 | warn "32 bit segment $segnum is smaller than 64K - generating dummy symbol\n"; |
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264 | $_ = "Seg${segnum}_dummy"; |
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265 | $segaddr = "$segnum:00010000"; |
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266 | $imp = ''; |
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267 | printf WRKFILE $symfmt, $segaddr, $imp, $_; |
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268 | $symcnt++; |
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269 | } |
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270 | } |
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271 | } # foreach |
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272 | |
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273 | close WRKFILE; |
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274 | |
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275 | die "Can not locate module name. $g_mapfile is probably not a Watcom map file\n" if !defined($modname); |
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276 | |
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277 | my $symfile = "$mapid.sym"; |
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278 | unlink $symfile || die "unlink $symfile $!" if -f $symfile; |
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279 | |
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280 | warn "Processed $segcnt segments and $symcnt symbols for $modname\n"; |
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281 | |
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282 | system("mapsym $g_wrkfile"); |
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283 | |
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284 | } # mapsym |
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285 | |
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286 | #=== scan_args(cmdLine) Scan command line === |
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287 | |
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288 | sub scan_args { |
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289 | |
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290 | getopts('dhtvV', \%g_opts) || &usage; |
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291 | |
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292 | &help if $g_opts{h}; |
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293 | |
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294 | if ($g_opts{V}) { |
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295 | print "$g_cmdname v$g_version"; |
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296 | exit; |
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297 | } |
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298 | |
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299 | my $arg; |
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300 | |
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301 | for $arg (@ARGV) { |
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302 | my @maps = glob($arg); |
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303 | usage("File $arg not found") if @maps == 0; |
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304 | push @g_mapfiles, @maps; |
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305 | } # for arg |
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306 | |
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307 | } # scan_args |
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308 | |
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309 | #=== help() Display scan_args usage help exit routine === |
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310 | |
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311 | sub help { |
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312 | |
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313 | print <<EOD; |
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314 | Generate .sym file for Watcom map files. |
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315 | Generates temporary map file reformatted for mapsym and |
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316 | invokes mapsym to process this map file. |
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317 | |
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318 | Usage: $g_cmdname [-d] [-h] [-v] [-V] mapfile... |
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319 | -d Display debug messages |
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320 | -h Display this message |
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321 | -v Display progress messages |
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322 | -V Display version |
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323 | |
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324 | mapfile List of map files to process |
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325 | EOD |
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326 | |
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327 | exit 255; |
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328 | |
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329 | } # help |
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330 | |
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331 | #=== usage(message) Report Scanargs usage error exit routine === |
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332 | |
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333 | sub usage { |
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334 | |
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335 | my $msg = shift; |
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336 | print "\n$msg\n" if $msg; |
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337 | print <<EOD; |
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338 | |
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339 | Usage: $g_cmdname [-d] [-h] [-v] [-V] mapfile... |
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340 | EOD |
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341 | exit 255; |
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342 | |
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343 | } # usage |
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344 | |
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345 | #========================================================================== |
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346 | #=== SkelFunc standards - Delete unused - Move modified above this mark === |
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347 | #========================================================================== |
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348 | |
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349 | #=== verbose_msg(message) Display message if verbose === |
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350 | |
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351 | sub verbose_msg { |
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352 | if ($g_opts{v}) { |
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353 | my $msg = shift; |
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354 | if (defined $msg) { |
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355 | print STDOUT "$msg\n"; |
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356 | } else { |
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357 | print STDOUT "\n"; |
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358 | } |
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359 | } |
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360 | } # verbose_msg |
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361 | |
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362 | #========================================================================== |
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363 | #=== SkelPerl standards - Delete unused - Move modified above this mark === |
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364 | #========================================================================== |
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365 | |
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366 | #=== fatal(message) Report fatal error and exit === |
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367 | |
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368 | sub fatal { |
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369 | my $msg = shift; |
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370 | print "\n"; |
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371 | print STDERR "$g_cmdname: $msg\a\n"; |
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372 | exit 254; |
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373 | |
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374 | } # fatal |
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375 | |
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376 | #=== set_cmd_name() Set $g_cmdname to script name less path and extension === |
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377 | |
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378 | sub set_cmd_name { |
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379 | $g_cmdname = $0; |
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380 | $g_cmdname = basename($g_cmdname); |
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381 | $g_cmdname =~ s/\.[^.]*$//; # Chop ext |
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382 | |
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383 | } # set_cmd_name |
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384 | |
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385 | #=== get_tmp_dir() Get TMP dir name with trailing backslash, set Gbl. === |
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386 | |
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387 | sub get_tmp_dir { |
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388 | |
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389 | $g_tmpdir = File::Spec->tmpdir(); |
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390 | die "Need to have TMP or TMPDIR or TEMP defined" unless $g_tmpdir; |
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391 | |
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392 | } # get_tmp_dir |
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393 | |
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394 | # The end |
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