modparams

#!/usr/bin/bash

# Description: Print all global symbols of relevant types in a kernel module
# Usage: ./modparams <module>
# Example: ./modparams zfs
# If you run the script without any arguments, it'll grab all modules.

# Copyright 2014 Kirill.Davydychev@nexenta.com, Paul.Nienaber@nexenta.com


mdb -k <<<"::nm -t objt -g -n -x -f ctype,name $1" | tail -n +1 \
  | perl -pe 's/\|\n/\|/' \
  | perl -ne '%a=("uint64_t"=>"/E",
                  "int64_t"=>"/e",
                  "int"=>"/D",
                  "offset_t"=>"/U",
                  "ssize_t"=>"/U",
                  "hrtime_t"=>"/U",
                  "uint_t"=>"/U",
                  "uint32_t"=>"/U",
                  "boolean_t"=>"/U",
                  "uint8_t"=>"/V");
                  chomp;s/ +\|/\|/;@b=split /\|/;
                  defined $a{$b[0]} && print "$b[1]$a{$b[0]}\n"' \
  | mdb -k | tr -s ' ' | egrep -v ':$'