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1#!/bin/bash -eu
2# Copyright 2021 Google Inc.
3#
4# Licensed under the Apache License, Version 2.0 (the "License");
5# you may not use this file except in compliance with the License.
6# You may obtain a copy of the License at
7#
8#      http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS,
12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13# See the License for the specific language governing permissions and
14# limitations under the License.
15#
16################################################################################
17
18# Build native library.
19JVM_INCLUDES="-I$JAVA_HOME/include -I$JAVA_HOME/include/linux"
20$CXX $CXXFLAGS $JVM_INCLUDES -fPIC -shared \
21    ExampleFuzzerNative.cpp -o $OUT/libnative.so
22
23BUILD_CLASSPATH=$JAZZER_API_PATH
24
25# All class files lie in the same directory as the fuzzer at runtime.
26RUNTIME_CLASSPATH=\$this_dir
27
28for fuzzer in $(find $SRC -name '*Fuzzer.java' -or -name '*FuzzerNative.java'); do
29  fuzzer_basename=$(basename -s .java $fuzzer)
30  javac -cp $BUILD_CLASSPATH $fuzzer
31  cp $SRC/$fuzzer_basename.class $OUT/
32
33  if [[ $fuzzer_basename == *FuzzerNative ]]; then
34    driver=jazzer_driver_asan
35  else
36    driver=jazzer_driver
37  fi
38
39  cp default.options $OUT/"$fuzzer_basename".options
40  # Create execution wrapper.
41  echo "#!/bin/sh
42# LLVMFuzzerTestOneInput for fuzzer detection.
43this_dir=\$(dirname \"\$0\")
44LD_LIBRARY_PATH=\"$JVM_LD_LIBRARY_PATH\":\$this_dir \
45ASAN_OPTIONS=\$ASAN_OPTIONS:symbolize=1:external_symbolizer_path=\$this_dir/llvm-symbolizer:detect_leaks=0 \
46\$this_dir/$driver --agent_path=\$this_dir/jazzer_agent_deploy.jar \
47--cp=$RUNTIME_CLASSPATH \
48--target_class=$fuzzer_basename \
49--jvm_args=\"-Xmx2048m\" \
50\$@" > $OUT/$fuzzer_basename
51  chmod u+x $OUT/$fuzzer_basename
52done
53