ocaml/tools/ocamlsize

33 lines
1005 B
Perl
Executable File

#!/usr/local/bin/perl
foreach $f (@ARGV) {
open(FILE, $f) || die("Cannot open $f");
seek(FILE, -36, 2);
$path_size = do read_int();
$code_size = do read_int();
$prim_size = do read_int();
$data_size = do read_int();
$symbol_size = do read_int();
$debug_size = do read_int();
read(FILE, $magic, 12);
if ($path_size > 0) {
seek(FILE, -($path_size + $code_size + $prim_size + $data_size +
$symbol_size + $debug_size + 36), 2);
read(FILE, $path, $path_size);
} else {
$path = "(default runtime)\n";
}
print $f, ":\n" if ($#ARGV > 0);
printf ("\tcode: %d data: %d symbols: %d debug: %d\n",
$code_size, $data_size, $symbol_size, $debug_size);
printf ("\tmagic number: %s runtime system: %s",
$magic, $path);
close(FILE);
}
sub read_int {
read(FILE, $buff, 4) == 4 || die("Truncated bytecode file $f");
@int = unpack("C4", $buff);
return ($int[0] << 24) + ($int[1] << 16) + ($int[2] << 8) + $int[3];
}