#!/usr/bin/env bash
# disassembles a function given its symbolic name.
function disf() {
    local exe="${1:?first argument should be an unstripped executable}"
    local symbol="${2:?second argument should be a function name}"
    # note: relies on GNU sed: https://unix.stackexchange.com/a/78485
    objdump -d -C --no-show-raw-insn "$exe" | sed '/<'"$symbol"'>:/,/^$/!d;//d'
}
disf "$@"