#!/usr/bin/perl

use strict;
use warnings;

my $mem = "";
my ($section, $load_id, $offset_to_next_load, $load_size, $load_path, $crc32_load_path);

my $hex_data = "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

# put hex data into memory
$mem = pack('H*', $hex_data );

# unpack null terminated section name from memory
$section = unpack('Z*', $mem);
$mem = substr($mem, length($section) + 1 );

# print section name
print $section . ":\n";
for (1 .. length($section) + 1){print "-"}
print "\n\n";

# unpack and print load id, offset, size, path (length of path is "offset - 4") and crc32 of each load entry
while (length($mem) > 0)
{
    ($load_id, $offset_to_next_load, $load_size) = unpack('n n N', $mem);
    $mem = substr($mem, 8);

    print "Load ID             : " . $load_id . "\n";
    print "Offset to next load : " . $offset_to_next_load . "\n";
    print "Load Size           : " . $load_size . "\n";

    ($load_path, $crc32_load_path) = unpack('A' . ($offset_to_next_load-4) . 'N', $mem);
    $mem = substr($mem, $offset_to_next_load);

    print "Load Path           : " . $load_path . "\n";
    print "CRC32 of Load Path  : " . $crc32_load_path . "\n";

    print "\n\n";
}