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import sys, os, struct

def main():
    if len(sys.argv) != 2:
        print "USAGE: %s <TRUSTLET_DIRECTORY>" % sys.argv[0]
        return
    trustlet_dir = sys.argv[1]

    version_map = {}

    for root, dirs, files in os.walk(trustlet_dir):
        for name in files:
            if not (name.endswith(".tlbin") or name.endswith(".drbin") or name.endswith(".tabin")):
                continue
            
            #Reading the length fields from the header
            trustlet = open(os.path.join(root, name), "rb").read()
            service_version = struct.unpack("<I", trustlet[0x48:0x4c])[0]
            
            #Adding the trustlet to the version map
            if name not in version_map:
                version_map[name] = []
            version_map[name].append((root, service_version))

    #Dumping the version map
    for trustlet in version_map:
        print "-------------------------------------"
        print "trustlet: %s" % trustlet
        for (root, service_version) in version_map[trustlet]:
            print root
            print "%X" % service_version
            print 


if __name__ == "__main__":
    main()