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|
#!/bin/sh
LC_ALL=C
export LC_ALL
stat=0
so="$1"
def="$2"
PATTERN="_ANCHOR_"
TMPFILE="$(mktemp .nm-check-exports.XXXXXX)"
get_syms() {
${NM:-nm} "$1" |
sed -n 's/^[[:xdigit:]]\+ [DT] //p' |
sort
}
get_syms_from_def() {
sed -n 's/^\t\(\([_a-zA-Z0-9]\+\)\|#\s*\([_a-zA-Z0-9]\+@@\?[_a-zA-Z0-9]\+\)\);$/\2\3/p' "$1" |
sort
}
anchor() {
sed "s/.*/$PATTERN\0$PATTERN/"
}
unanchor() {
sed "s/^$PATTERN\(.*\)$PATTERN\$/\1/"
}
get_syms "$so" | anchor > "$TMPFILE"
WRONG="$(get_syms_from_def "$def" | anchor | grep -F -f - "$TMPFILE" -v)"
RESULT=$?
if [ $RESULT -eq 0 ]; then
stat=1
echo ">>library \"$so\" exports symbols that are not in linker script \"$def\":"
echo "$WRONG" | unanchor | nl
fi
get_syms_from_def "$def" | anchor > "$TMPFILE"
WRONG="$(get_syms "$so" | anchor | grep -F -f - "$TMPFILE" -v)"
RESULT=$?
if [ $RESULT -eq 0 ]; then
stat=1
echo ">>linker script \"$def\" contains symbols that are not exported by library \"$so\":"
echo "$WRONG" | unanchor | nl
fi
rm -rf "$TMPFILE"
exit $stat
|
