b978c43ea0
* speclib: Add a dummy '.idata$7' section referring to the dll associated with the real import library.
84 lines
1.8 KiB
Perl
Executable File
84 lines
1.8 KiB
Perl
Executable File
#!/usr/bin/perl
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use strict;
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use File::Temp qw'tempdir';
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use File::Spec;
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use Getopt::Long;
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my $dir = tempdir(CLEANUP => 1);
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my ($ar, $as, $nm, $objcopy, %replace);
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GetOptions('ar=s'=>\$ar, 'as=s'=>\$as,'nm=s'=>\$nm, 'objcopy=s'=>\$objcopy, 'replace=s'=>\%replace);
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# Args::
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# 1) import lib to create
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# 2) input dll
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# 3...) extra objects to add
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$_ = File::Spec->rel2abs($_) for @ARGV;
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my $libdll = shift;
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my $inpdll = shift;
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open my $nm_fd, '-|', $nm, '-Apg', '--defined-only', $inpdll;
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my %text = ();
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my %import = ();
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my %symfile = ();
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while (<$nm_fd>) {
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chomp;
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my ($fn, $type, $sym) = /^$inpdll:(.*?):\S+\s+(\S)\s+(\S+)$/o;
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next unless $fn;
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$text{$fn} = $sym if $type eq 'T';
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$import{$fn} = $sym if $type eq 'I';
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$symfile{$sym} = $fn;
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}
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close $nm_fd or exit 1;
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for my $sym (keys %replace) {
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my $fn;
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my $_sym = '_' . $sym;
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if (!defined($fn = $symfile{$_sym})) {
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$fn = "$sym.o";
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$text{$fn} = $_sym;
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}
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my $imp_sym = '__imp__' . $replace{$sym};
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$import{$fn} = $imp_sym;
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}
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for my $f (keys %text) {
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my $imp_sym = delete $import{$f};
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my $glob_sym = $text{$f};
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if (!defined $imp_sym) {
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delete $text{$f};
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} elsif ($imp_sym eq '__imp__') {
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$text{$f} = 0;
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} else {
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$text{$f} = 1;
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open my $as_fd, '|-', $as, '-o', "$dir/t-$f", "-";
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print $as_fd <<EOF;
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.text
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.extern $imp_sym
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.global $glob_sym
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$glob_sym:
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jmp *$imp_sym
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EOF
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close $as_fd or exit 1;
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}
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}
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chdir $dir or die "$0: couldn't cd to $dir - $!\n";
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system $ar, 'x', $inpdll;
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exit 1 if $?;
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for my $f (keys %text) {
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if (!$text{$f}) {
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unlink $f;
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} else {
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system $objcopy, '-R', '.text', $f and exit 1;
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system $objcopy, '-R', '.bss', '-R', '.data', "t-$f" and exit 1;
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}
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}
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unlink $libdll;
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system $ar, 'crus', $libdll, glob('*.o'), @ARGV;
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unlink glob('*.o');
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exit 1 if $?;
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