libcxx/utils/ci/oss-fuzz.sh

   1 #!/bin/bash -eu
   2
   3 #
   4 # This script runs the continuous fuzzing tests on OSS-Fuzz.
   5 #
   6
   7 if [[ ${SANITIZER} = *undefined* ]]; then
   8   CXXFLAGS="${CXXFLAGS} -fsanitize=unsigned-integer-overflow -fsanitize-trap=unsigned-integer-overflow"
   9 fi
  10
  11 BUILD=cxx_build_dir
  12 INSTALL=cxx_install_dir
  13 MONOREPO_ROOT=${PWD}
  14
  15 mkdir ${BUILD}
  16 cmake -S ${MONOREPO_ROOT}/runtimes -B ${BUILD} \
  17       -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind" \
  18       -DCMAKE_BUILD_TYPE=RelWithDebInfo \
  19       -DCMAKE_INSTALL_PREFIX="${INSTALL}"
  20 cmake --build ${BUILD} --target install-cxx-headers
  21
  22 for test in libcxx/test/libcxx/fuzzing/*.pass.cpp; do
  23     exe="$(basename ${test})"
  24     exe="${exe%.pass.cpp}"
  25     ${CXX} ${CXXFLAGS} \
  26         -std=c++20 \
  27         -DLIBCPP_OSS_FUZZ \
  28         -D_LIBCPP_HAS_NO_VENDOR_AVAILABILITY_ANNOTATIONS \
  29         -nostdinc++ -cxx-isystem ${INSTALL}/include/c++/v1 \
  30         -lpthread -ldl \
  31         -o "${OUT}/${exe}" \
  32         ${test} \
  33         ${LIB_FUZZING_ENGINE}
  34 done