/usr/bin/ocamlobjinfo.byte

/usr/bin/ocamlobjinfo.byte [OPTIONS] FILES : give information on files
  -quiet  Only print explicitly required information
  -no-approx  Do not print module approximation information
  -no-code  Do not print code from exported flambda functions
  -shape  Print the shape of the module
  -index  Print a list of all usages of values, types, etc. in the module
  -decls  Print a list of all declarations in the module
  -uid-deps  Print the declarations' uids dependencies of the module
  -null-crc  Print a null CRC for imported interfaces
  -version  Print version and exit
  -vnum  Print version number and exit
  -args <file> Read additional newline separated command line arguments
      from <file>
  -args0 <file> Read additional NUL separated command line arguments from
      <file>
  -help  Display this list of options
  --help  Display this list of options