114 lines
1.5 KiB
Perl
114 lines
1.5 KiB
Perl
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#!/usr/local/bin/perl
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require 'getopts.pl';
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$files="files";
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%have=();
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%missing=();
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%name=();
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%func=();
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&Getopts('Ff:');
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&load_file("files");
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foreach $file (@ARGV)
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{ &do_nm($file); }
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if (defined($opt_f))
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{
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%a=();
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$r=&list_files($opt_f,"",*a);
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if ($opt_F)
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{
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foreach (sort split(/\n/,$r))
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{ print "$_\n"; }
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}
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else
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{ print $r; }
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}
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else
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{
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for (sort keys %have)
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{
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print "$_:$have{$_}\n";
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}
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}
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sub list_files
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{
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local($f,$o,*done)=@_;
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local($a,$_,$ff,$ret);
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return if $f =~ /^\s*$/;
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$done{$f}=1;
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$ret.=$f."\n" if $opt_F;
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foreach (split(/ /,$have{$f}))
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{
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$ret.="$o$f:$_\n" unless $opt_F;
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}
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foreach (split(/ /,$missing{$f}))
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{
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$ff=$func{$_};
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next if defined($done{$ff});
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$ret.=&list_files($ff,$o." ");
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}
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$ret;
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}
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sub do_nm
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{
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local($file)=@_;
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local($fname)="";
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open(IN,"nm $file|") || die "unable to run 'nm $file|':$!\n";
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while (<IN>)
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{
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chop;
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next if /^\s*$/;
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if (/^(.*)\.o:\s*$/)
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{
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$fname="$1.c";
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next;
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}
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($type,$name)=/^.{8} (.) (.+)/;
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# print "$fname $type $name\n";
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if ($type eq "T")
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{
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$have{$fname}.="$name ";
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$func{$name}=$fname;
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}
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elsif ($type eq "U")
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{
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$missing{$fname}.="$name ";
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}
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}
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close(IN);
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}
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sub load_file
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{
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local($file)=@_;
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open(IN,"<$files") || die "unable to open $files:$!\n";
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while (<IN>)
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{
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chop;
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next if /^\s*$/;
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($n)=/\/([^\/\s]+)\s+/;
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($fn)=/^(\S+)\s/;
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# print "$n - $fn\n";
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if (defined($name{$n}))
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{ print "$n already exists\n"; }
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else
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{ $name{$n}=$fn; }
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}
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close(IN);
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@name=%name;
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}
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