esp-idf/tools/ci/check_blobs.sh

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#!/usr/bin/env bash
set -euo pipefail
if [ -z "${IDF_PATH:-}" ]; then
echo "IDF_PATH must be set before running this script"
exit 1
fi
failed=""
# check_lib_symbols <libraray path> <symbols to look for...>
#
# If the given library contains references to the listed symbols, prints
# a message and adds the library to "failed" list.
function check_lib_symbols {
lib="$1"
symbols="${@:2}"
syms_file="$(mktemp)"
# for symbols="foo bar" create grep search argument "foo\|bar"
symbols_args="${symbols// /\\|}"
errors=0
nm -A $lib 2>/dev/null | { grep -w "${symbols_args}" > ${syms_file} || true; }
if [ $(wc -l <${syms_file}) != 0 ]; then
echo "${lib}: found illegal symbol references:"
cat ${syms_file} | sed 's/^/\t/'
failed="${failed} ${lib}"
errors=1
fi
if [ $errors == 0 ]; then
echo "${lib}: OK"
fi
rm -f ${syms_file}
}
# Check Wi-Fi, PHY libraries for references to "printf"-like functions:
illegal_symbols="printf ets_printf"
pushd ${IDF_PATH}/components/esp_wifi/lib > /dev/null
wifi_targets=$(find . -type d -name 'esp*' -exec basename {} \; | sort)
for target in ${wifi_targets}; do
for library in ${target}/*.a; do
check_lib_symbols ${library} ${illegal_symbols}
done
done
popd > /dev/null
pushd ${IDF_PATH}/components/esp_phy/lib > /dev/null
phy_targets=$(find . -type d -name 'esp*' -exec basename {} \; | sort)
for target in ${phy_targets}; do
libraries=$(find ${target} -name '*.a')
for library in ${libraries}; do
check_lib_symbols ${library} ${illegal_symbols}
done
done
popd > /dev/null
# Print summary
if [ -n "${failed}" ]; then
echo "Issues found in the following libraries:"
for lib in $failed; do
echo "- $lib"
done
exit 1
fi