radare2/sys/asan.sh
2017-02-28 01:00:31 +01:00

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#!/bin/sh
ASAN="address leak memory undefined"
ASAN="address"
printf "\033[32m"
echo "========================================================================="
printf "\033[33m"
echo "ASAN build script can be configured with the ASAN environment variable."
echo "Use one of the following words to specify which build flags to use:"
echo " - address - set by default, detect overflows"
echo " - leak - find memory leaks"
echo " - memory - detect uninitialized reads"
echo " - undefined - undefined behaviour"
echo " - ..."
echo "For more information:"
echo " http://clang.llvm.org/docs/UsersManual.html#controlling-code-generation"
echo "For example:"
echo " $ ASAN='leak memory address' sys/asan.sh"
echo "Current value:"
echo " ASAN=${ASAN}"
printf "\033[32m"
echo "========================================================================="
printf "\033[0m"
sleep 1
export LDFLAGS="-lasan"
for a in $ASAN ; do
export CFLAGS="${CFLAGS} -fsanitize=$a"
done
export CFLAGS="${CFLAGS} -lasan"
echo 'int main(){return 0;}' > .a.c
[ -z "${CC}" ] && CC=gcc
${CC} ${CFLAGS} ${LDFLAGS} -o .a.out .a.c
RET=$?
rm -f .a.out .a.c
if [ "$RET" != 0 ]; then
echo "Your compiler doesn't support ASAN."
exit 1
fi
exec sys/install.sh $*