open(ASMDATA_PM, ">ext/B/B/Asmdata.pm") or die "ext/B/B/Asmdata.pm: $!";
print ASMDATA_PM $perl_header, <<'EOT';
package B::Asmdata;
+
+our $VERSION = '1.00';
+
use Exporter;
@ISA = qw(Exporter);
@EXPORT_OK = qw(%insn_data @insn_name @optype @specialsv_name);