#!/bin/bash -eu
# Copyright 2016 Google Inc.
#
# 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.
#
################################################################################

echo "Skipping compilation; using precompiled honggfuzz"

cp $SRC/honggfuzz/honggfuzz.a $LIB_FUZZING_ENGINE
cp $SRC/honggfuzz/honggfuzz $OUT/

# Set flags necessary for netdriver compilation.
export LIB_HFND="-Wl,-u,LIBHFNETDRIVER_module_netdriver -Wl,--start-group $SRC/honggfuzz/libhfnetdriver/libhfnetdriver.a $SRC/honggfuzz/libhfcommon/libhfcommon.a -Wl,--end-group"

export HFND_CXXFLAGS='-DHFND_FUZZING_ENTRY_FUNCTION_CXX(x,y)=extern const char* LIBHFNETDRIVER_module_netdriver;const char** LIBHFNETDRIVER_tmp1 = &LIBHFNETDRIVER_module_netdriver;extern "C" int HonggfuzzNetDriver_main(x,y);int HonggfuzzNetDriver_main(x,y)'
export HFND_CFLAGS='-DHFND_FUZZING_ENTRY_FUNCTION(x,y)=extern const char* LIBHFNETDRIVER_module_netdriver;const char** LIBHFNETDRIVER_tmp1 = &LIBHFNETDRIVER_module_netdriver;int HonggfuzzNetDriver_main(x,y);int HonggfuzzNetDriver_main(x,y)'

# Custom coverage flags, roughly in sync with:
# https://github.com/google/honggfuzz/blob/oss-fuzz/hfuzz_cc/hfuzz-cc.c
export COVERAGE_FLAGS="-fsanitize-coverage=trace-pc-guard,indirect-calls,trace-cmp"

echo " done."