167 lines
3.6 KiB
Perl
167 lines
3.6 KiB
Perl
my $show_module_name = 1;
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my $use_indent = 1;
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my $strip_leading_underscore = 0;
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my $module_name = "";
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my %target_exports = ();
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my %local_exports = ();
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sub build_target_exports_list($)
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{
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$fn = shift;
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print STDERR "Processing defs from file [$fn]\n";
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open(SP, '-|', "dumpbin /exports \"".$fn."\"") or die "Can't open pipe for $fn";
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LINE:
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while (<SP>) {
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# 112 6F 00071CDC krb5_encrypt_size
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/^ +([[:digit:]]+)\s+[[:xdigit:]]+\s[[:xdigit:]]{8,}\s+(\S+)(?:| = (\S*))$/ && do {
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my ($ordinal, $symbol, $in) = ($1, $2, $3);
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if ($in eq "") { $in = $symbol };
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$target_exports{$symbol} = $in;
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};
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}
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close SP;
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}
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# Dump all symbols for the given dll file that are defined and have
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# external scope.
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sub build_glue_exports_list($)
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{
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$fn = shift;
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print STDERR "Opening dump of DLL [$fn]\n";
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open(SP, '-|', "dumpbin /exports \"".$fn."\"") or die "Can't open pipe for $fn";
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LINE:
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while (<SP>) {
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# 112 6F 00071CDC krb5_encrypt_size
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/^ +([[:digit:]]+)\s+[[:xdigit:]]+\s[[:xdigit:]]{8,}\s+(\S+)(?:| = (\S*))$/ && do {
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my ($ordinal, $symbol, $in) = ($1, $2, $3);
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if ($strip_leading_underscore && $symbol =~ /_(.*)/) {
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$symbol = $1;
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}
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if (exists $local_exports{$symbol}) {
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print "\t".$symbol;
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print " = ".$local_exports{$symbol};
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if ($in ne $local_exports{$symbol} and $in ne "") {
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print STDERR "Incorrect calling convention for local $symbol\n";
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print STDERR " ".$in." != ".$local_exports{$symbol}."\n";
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}
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print "\t@".$ordinal."\n";
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} elsif (exists $local_exports{"SHIM_".$symbol}) {
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print "\t".$symbol;
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print " = ".$local_exports{"SHIM_".$symbol};
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print "\t@".$ordinal."\n";
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} elsif (exists $target_exports{$symbol}) {
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print "\t".$symbol;
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print " = ".$module_name;
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if ($in ne $target_exports{$symbol} and $in ne "") {
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print STDERR "Incorrect calling convention for $symbol\n";
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print STDERR " ".$in." != ".$target_exports{$symbol}."\n";
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}
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my $texp = $target_exports{$symbol};
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if ($texp =~ /^_([^@]+)$/) { $texp = $1; }
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print $texp."\t@".$ordinal."\n";
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} else {
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print STDERR "Symbol not found: $symbol\n";
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}
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};
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}
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close SP;
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}
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sub build_local_exports_list($)
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{
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$fn = shift;
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print STDERR "Opening dump of object [$fn]\n";
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open(SP, '-|', "dumpbin /symbols \"".$fn."\"") or die "Can't open pipe for $fn";
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LINE:
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while (<SP>) {
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# 009 00000010 SECT3 notype () External | _remove_error_table@4
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m/^[[:xdigit:]]{3,}\s[[:xdigit:]]{8,}\s(\w+)\s+\w*\s+(?:\(\)| )\s+(\w+)\s+\|\s+(\S+)$/ && do {
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my ($section, $visibility, $symbol) = ($1, $2, $3);
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if ($section ne "UNDEF" && $visibility eq "External") {
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my $exp_name = $symbol;
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if ($symbol =~ m/^_(\w+)(?:@.*|)$/) {
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$exp_name = $1;
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}
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if ($symbol =~ m/^_([^@]+)$/) {
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$symbol = $1;
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}
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$local_exports{$exp_name} = $symbol;
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}
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};
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}
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close SP;
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}
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sub process_file($)
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{
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$fn = shift;
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if ($fn =~ m/\.dll$/i) {
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build_glue_exports_list($fn);
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} elsif ($fn =~ m/\.obj$/i) {
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build_local_exports_list($fn);
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} else {
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die "File type not recognized for $fn.";
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}
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}
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sub use_response_file($)
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{
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$fn = shift;
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open (RF, '<', $fn) or die "Can't open response file $fn";
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while (<RF>) {
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/(\S+)/ && do {
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process_file($1);
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}
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}
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close RF;
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}
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print "; This is a generated file. Do not modify directly.\n";
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print "EXPORTS\n";
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for (@ARGV) {
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ARG: {
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/-m(.*)/ && do {
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$module_name = $1.".";
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last ARG;
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};
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/-e(.*)/ && do {
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build_target_exports_list($1);
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last ARG;
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};
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/@(.*)/ && do {
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use_response_file($1);
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last ARG;
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};
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process_file($_);
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}
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}
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