#!/bin/sh
###############################################################################
if [ "${#}" != "2" ]
then
	echo "`basename $0`: usage: object-directory output-file" >&2
	exit 1
fi
OBJECTS="${1}"
SHORTFILE="${2}"

find "${OBJECTS}" -name '*.o' -print -exec nm '{}' ';' |
	awk '
BEGIN {
	printf ("/* Automatically generated by 'build_shortnames'. */\n");
}
$1 ~ /\.o$/ {
	printf ("/* From file '%s': */\n", $1);
}
$2 ~ /^[TSDCB]$/ {
	printf ("#define %s I%05d\n", substr ($3, 2), id ++);
}' > ${SHORTFILE}