54 lines
1.2 KiB
Perl
Executable File
54 lines
1.2 KiB
Perl
Executable File
#!/usr/bin/perl
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use Getopt::Long;
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use File::Temp qw'tempdir';
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use File::Basename;
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use File::Spec;
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use strict;
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sub dllname($;$);
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my $static;
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my $exclude;
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GetOptions('static!'=>\$static, 'v|exclude!'=>\$exclude);
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my $nm = shift;
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my $ar = shift;
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my $libdll = File::Spec->rel2abs(shift @ARGV);
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my $lib = File::Spec->rel2abs(pop @ARGV);
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open my $nm_fd, '-|', $nm, '-Ap', '--defined-only', @ARGV, $libdll or
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die "$0: execution of $nm for object files failed - $!\n";
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my %match_syms = ();
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my $symfiles = ();
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my $lastfn;
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my %extract = ();
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while (<$nm_fd>) {
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study;
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m%^\Q$libdll\E:([^:]*):\d+ i \.idata\$([56])% and do {
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next;
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};
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m%^\Q$libdll\E:[^:]*:\d+ I (__head_.*)$% and do {
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next;
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};
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next unless m%^([^:]*):([^:]*(?=:))?.* [DTI] (.*)%o;
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if ($1 ne $libdll) {
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$match_syms{$3} = 1;
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} elsif ($match_syms{$3} ? !$exclude : $exclude) {
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$extract{$2} = 1;
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}
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}
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close $nm_fd;
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%extract or die "$0: couldn't find symbols for $lib\n";
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my $dir = tempdir(CLEANUP => 1);
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chdir $dir;
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# print join(' ', '+', $ar, 'x', sort keys %extract), "\n";
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my $res = system $ar, 'x', $libdll, sort keys %extract;
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die "$0: $ar extraction exited with non-zero status\n" if $res;
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unlink $lib;
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exec $ar, 'crus', $lib, sort keys %extract;
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