mirror of
https://github.com/Mbed-TLS/mbedtls.git
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70 lines
2.2 KiB
Bash
Executable File
70 lines
2.2 KiB
Bash
Executable File
#!/bin/sh
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help () {
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cat <<EOF
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Usage: $0 [-r]
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Collect coverage statistics of library code into an HTML report.
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General instructions:
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1. Build the library with CFLAGS="--coverage -O0 -g3" and link the test
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programs with LDFLAGS="--coverage".
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This can be an out-of-tree build.
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For example (in-tree):
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make CFLAGS="--coverage -O0 -g3" LDFLAGS="--coverage"
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Or (out-of-tree):
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mkdir build-coverage && cd build-coverage &&
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cmake -D CMAKE_BUILD_TYPE=Coverage .. && make
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2. Run whatever tests you want.
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3. Run this script from the parent of the directory containing the library
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object files and coverage statistics files.
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4. Browse the coverage report in Coverage/index.html.
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5. After rework, run "$0 -r", then re-test and run "$0" to get a fresh report.
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Options
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-r Reset traces. Run this before re-testing to get fresh measurements.
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EOF
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}
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# Copyright The Mbed TLS Contributors
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# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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set -eu
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# Collect stats and build a HTML report.
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lcov_library_report () {
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rm -rf Coverage
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mkdir Coverage Coverage/tmp
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lcov --capture --initial --directory library -o Coverage/tmp/files.info
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lcov --rc lcov_branch_coverage=1 --capture --directory library -o Coverage/tmp/tests.info
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lcov --rc lcov_branch_coverage=1 --add-tracefile Coverage/tmp/files.info --add-tracefile Coverage/tmp/tests.info -o Coverage/tmp/all.info
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lcov --rc lcov_branch_coverage=1 --remove Coverage/tmp/all.info -o Coverage/tmp/final.info '*.h'
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gendesc tests/Descriptions.txt -o Coverage/tmp/descriptions
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genhtml --title "Mbed TLS" --description-file Coverage/tmp/descriptions --keep-descriptions --legend --branch-coverage -o Coverage Coverage/tmp/final.info
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rm -f Coverage/tmp/*.info Coverage/tmp/descriptions
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echo "Coverage report in: Coverage/index.html"
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}
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# Reset the traces to 0.
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lcov_reset_traces () {
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# Location with plain make
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rm -f library/*.gcda
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# Location with CMake
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rm -f library/CMakeFiles/*.dir/*.gcda
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}
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if [ $# -gt 0 ] && [ "$1" = "--help" ]; then
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help
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exit
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fi
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main=lcov_library_report
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while getopts r OPTLET; do
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case $OPTLET in
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r) main=lcov_reset_traces;;
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*) help 2>&1; exit 120;;
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esac
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done
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shift $((OPTIND - 1))
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"$main" "$@"
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