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bemenu/scripts/check-symbols.sh
Jari Vetoniemi 81f10dfed7 ci: add symbol validation
checks for missing public symbols, leaked symbols and that plugins only
contains the register_plugin symbol.
2022-02-19 09:38:02 +09:00

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1.4 KiB
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#!/bin/sh
# Check that no internal symbols are being leaked from the library
# $1: path to the .so
# $2: path to the lib/bemenu.h
hash grep nm sort awk comm printf cat touch
tmp="$(mktemp -d)"
trap 'rm -rf "$tmp"' EXIT
grep '^BM_PUBLIC' "$2" | grep -o '[a-z_]*(' | grep -o '[a-z_]*' | awk 'NF' | sort > "$tmp/hdr.txt"
nm --extern-only "$1" |\
awk '/T/{if (substr($3,1,1) == "_") print substr($3, 2); else print $3}' |\
grep -o '[a-z_]*' | awk 'NF' | sort > "$tmp/lib.txt"
comm -13 "$tmp/hdr.txt" "$tmp/lib.txt" > "$tmp/leaks.txt"
comm -23 "$tmp/hdr.txt" "$tmp/lib.txt" > "$tmp/missing.txt"
if [ -s "$tmp/leaks.txt" ]; then
printf 'SYMBOL LEAKAGE: following symbols should not be marked BM_PUBLIC:\n'
cat "$tmp/leaks.txt" | awk '$0="> "$0'
touch "$tmp/failure"
fi
if [ -s "$tmp/missing.txt" ]; then
printf 'SYMBOL MISSING: following BM_PUBLIC symbols were not found from the binary:\n'
cat "$tmp/missing.txt" | awk '$0="> "$0'
touch "$tmp/failure"
fi
shift 2
for renderer in "$@"; do
nm --extern-only "$renderer" | awk '/T/{print $3}' | grep -v register_renderer | awk 'NF' > "$tmp/${renderer}_leaks.txt"
if [ -s "$tmp/${renderer}_leaks.txt" ]; then
printf 'SYMBOL LEAKAGE: %s should only have a register_renderer symbol visible\n' "$renderer"
cat "$tmp/${renderer}_leaks.txt" | awk '$0="> "$0'
touch "$tmp/failure"
fi
done
test -f "$tmp/failure" && exit 1 || exit 0