#!/bin/sh

# list exported symbols of a shared object / main executable program
# for AIX-usage (or Linux, for comparison)

export LC_ALL=C

if [ $# -eq 0 ]; then
    printf 'usage: %s file\n' "$0"
    exit 0;
fi

printf '#! %s\n' "$1"

if [ "$(uname)" = Linux ]; then
    nm -D -Plpg -- "$@" |
    awk '{ if (($2 == "T") || ($2 == "D") || ($2 == "B")) { print $1; }}' | 
    sort -u
else
    dump -Tv -X32_64 -- "$@" |\
    awk '($4=="EXP"  || $4=="ImpExp")  { print $8 }
	 ($4=="wEXP" || $4=="wImpExp") { print $8 " weak" }' |\
    sort -u
fi