libc
#!/bin/sh
#$Id$
#Copyright (c) 2018-2020 Pierre Pronchery <khorben@defora.org>
#
#Redistribution and use in source and binary forms, with or without
#modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
#AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
#IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
#DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
#FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
#DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
#SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
#CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
#OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
#OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#variables
CONFIGSH="${0%/coverage.sh}/../config.sh"
CFLAGS=
LDFLAGS=
PROGNAME="coverage.sh"
TARGET="tests.log"
#executables
CC="gcc -fprofile-arcs -ftest-coverage"
DATE="date"
FIND="find"
GCOV="gcov"
[ -n "$MAKE" ] || MAKE="make"
MKDIR="mkdir -p"
MKTEMP="mktemp"
RM="rm -f"
[ -f "$CONFIGSH" ] && . "$CONFIGSH"
#coverage
_coverage()
{
#create a temporary directory
tmpdir=$($MKTEMP -d)
if [ $? -ne 0 ]; then
return 2
fi
#build the project in a separate directory
for dir in src tools; do
[ -d "../$dir" ] || continue
$MKDIR "$tmpdir/$dir" &&
(cd "../$dir" && $MAKE CC="$CC" CFLAGS="$CFLAGS" LDFLAGS="$LDFLAGS" OBJDIR="$tmpdir/$dir/") || break
done &&
$MKDIR "$tmpdir/tests" &&
$MAKE CC="$CC" CFLAGS="$CFLAGS" LDFLAGS="$LDFLAGS" OBJDIR="$tmpdir/tests/" "$tmpdir/tests/$TARGET"
res=$?
unset dir
#look for any code executed
$FIND "$tmpdir" -name '*.gcda' | while read filename; do
echo
echo "${filename%.gcda}.c:"
$GCOV -n "${filename%.gcda}.gcno"
#TODO output the GCOV file
done
$RM -r -- "$tmpdir"
return $res
}
#date
_date()
{
if [ -n "$SOURCE_DATE_EPOCH" ]; then
TZ=UTC $DATE -d "@$SOURCE_DATE_EPOCH" '+%a %b %d %T %Z %Y'
else
$DATE
fi
}
#usage
_usage()
{
echo "Usage: $PROGNAME [-c] target..." 1>&2
return 1
}
#main
clean=0
while getopts "cO:P:" name; do
case "$name" in
c)
clean=1
;;
O)
export "${OPTARG%%=*}"="${OPTARG#*=}"
;;
P)
#XXX ignored
;;
?)
_usage
exit $?
;;
esac
done
shift $((OPTIND - 1))
if [ $# -eq 0 ]; then
_usage
exit $?
fi
while [ $# -ne 0 ]; do
target="$1"
shift
[ "$clean" -eq 0 ] || break
(_date; echo) > "$target"
echo "Gathering test coverage:" 1>&2
_coverage >> "$target" || exit 2
echo "Gathered test coverage" 1>&2
done
exit 0