84 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Perl
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			84 lines
		
	
	
		
			2.1 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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| 
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| sub dllname($;$);
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| 
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| my $static;
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| my $inverse;
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| my @exclude;
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| 
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| my ($cpu, $ar, $as, $nm, $objcopy);
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| GetOptions('exclude=s'=>\@exclude, 'static!'=>\$static, 'v!'=>\$inverse,
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| 	   'cpu=s'=>\$cpu, 'ar=s'=>\$ar, 'as=s'=>\$as,'nm=s'=>\$nm, 'objcopy=s'=>\$objcopy);
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| 
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| $_ = File::Spec->rel2abs($_) for @ARGV;
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| 
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| my $libdll = shift;
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| my $lib =  pop;
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| my $uscore = ($cpu eq 'x86_64' ? undef : '_');
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| (my $iname = basename $lib) =~ s/\.a$//o;
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| $iname = $uscore . $iname . '_dll_iname';
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| 
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| open my $nm_fd, '-|', $nm, '-Apg', '--defined-only', @ARGV, $libdll or
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|   die "$0: execution of $nm for object files failed - $!\n";
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| 
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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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| my $exclude_regex = @exclude ? join('|', @exclude) : '\\UnLiKeLy//';
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| $exclude_regex = qr/$exclude_regex/;
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| my $dllname;
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| while (<$nm_fd>) {
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|     study;
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|     if (/ I _?(.*)_dll_iname/o) {
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| 	$dllname = $1;
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|     } else {
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| 	my ($file, $member, $symbol) = m%^([^:]*):([^:]*(?=:))?.* T (.*)%o;
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| 	next if !defined($symbol) || $symbol =~ $exclude_regex;
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| 	if ($file ne $libdll) {
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| 	     $match_syms{$symbol} = 1;
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| 	 } elsif ($match_syms{$symbol} ? !$inverse : $inverse) {
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| 	     $extract{$member} = 1;
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| 	 }
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|     }
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| }
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| close $nm_fd;
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|    
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| 
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| %extract or die "$0: couldn't find symbols for $lib\n";
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| 
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| my $dir = tempdir(CLEANUP => 1);
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| 
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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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| 
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| # Add a dummy .idata object for libtool so that it will think
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| # this library is an import library.
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| my $iname_o = 'd000000.o';
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| $extract{$iname_o} = 1;
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| open my $as_fd, '|-', $as, '-R', '-o', $iname_o, "-";
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| print $as_fd <<EOF;
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| 	.section .idata\$7
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| .global $iname
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| $iname: .asciz "$dllname.dll"
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| EOF
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| close $as_fd or exit 1;
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| system $objcopy, '-j', '.idata$7', $iname_o;
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| 
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| $res = system $ar, 'crus', $lib, sort keys %extract;
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| unlink keys %extract;
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| die "$0: ar creation of $lib exited with non-zero status\n" if $res;
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| exit 0;
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| 
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| END {
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|     chdir '/tmp';	# Allow $dir directory removal on Windows
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| }
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