mbedtls/scripts/lcov.sh
Gilles Peskine e628f291ae Put temporary files in a temporary directory
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2022-11-30 17:56:58 +01:00

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#!/bin/sh
help () {
cat <<EOF
Usage: $0
Collect coverage statistics of library code into an HTML report.
General instructions:
1. Build the library with CFLAGS="--coverage -O0 -g3".
This can be an out-of-tree build.
2. Run whatever tests you want.
3. Run this script from the parent of the directory containing the library
object files and coverage statistics files.
4. Browse the coverage report in Coverage/index.html.
EOF
}
# Copyright The Mbed TLS Contributors
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -eu
lcov_rebuild_stats () {
rm -rf Coverage
mkdir Coverage Coverage/tmp
lcov --capture --initial --directory library -o Coverage/tmp/files.info
lcov --rc lcov_branch_coverage=1 --capture --directory library -o Coverage/tmp/tests.info
lcov --rc lcov_branch_coverage=1 --add-tracefile Coverage/tmp/files.info --add-tracefile Coverage/tmp/tests.info -o Coverage/tmp/all.info
lcov --rc lcov_branch_coverage=1 --remove Coverage/tmp/all.info -o Coverage/tmp/final.info '*.h'
gendesc tests/Descriptions.txt -o Coverage/tmp/descriptions
genhtml --title "mbed TLS" --description-file Coverage/tmp/descriptions --keep-descriptions --legend --branch-coverage -o Coverage Coverage/tmp/final.info
rm -f Coverage/tmp/*.info Coverage/tmp/descriptions
echo "Coverage report in: Coverage/index.html"
}
if [ $# -gt 0 ] && [ "$1" = "--help" ]; then
help
exit
fi
lcov_rebuild_stats