llvm-nm-asterius.py

#!/usr/bin/env python3

import ast
import subprocess
import sys

if __name__ == "__main__":
    r = subprocess.run(["wasm2wat", "--enable-all", sys.argv[2]],
                       capture_output=True,
                       check=True,
                       text=True).stdout
    for l in r.splitlines():
        toks = [tok.strip("($)") for tok in l.split()]
        if toks[0] == "data":
            print("{0} D - {1:x}".format(toks[1],
                                         len(ast.literal_eval(toks[4]))))