Files
heimdal/cf/w32-def-from-dll.pl
2010-08-20 16:52:46 -04:00

167 lines
3.6 KiB
Perl

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