94 lines
3.0 KiB
Bash
94 lines
3.0 KiB
Bash
#!/bin/bash
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# Copyright 2021 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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################################################################################
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(
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cd $SRC/
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GITHUB_RELEASE="https://github.com/google/lldb-eval/releases/download/oss-fuzz-ubuntu-20.04"
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if [ "$SANITIZER" = "address" ]
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then
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LLVM_ARCHIVE="llvm-12.0.1-x86_64-linux-release-address.tar.gz"
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elif [ "$SANITIZER" = "memory" ]
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then
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LLVM_ARCHIVE="llvm-12.0.1-x86_64-linux-release-memory.tar.gz"
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elif [ "$SANITIZER" = "undefined" ]
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then
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LLVM_ARCHIVE="llvm-12.0.1-x86_64-linux-release.tar.gz"
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elif [ "$SANITIZER" = "coverage" ]
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then
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# For coverage we also need the original source code.
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wget --quiet $GITHUB_RELEASE/llvm-12.0.1-source.tar.gz
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tar -xzf llvm-12.0.1-source.tar.gz
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wget --quiet $GITHUB_RELEASE/llvm-12.0.1-x86_64-linux-release-genfiles.tar.gz
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tar -xzf llvm-12.0.1-x86_64-linux-release-genfiles.tar.gz
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LLVM_ARCHIVE="llvm-12.0.1-x86_64-linux-release.tar.gz"
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else
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echo "Unknown sanitizer: $SANITIZER"
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exit 1
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fi
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wget --quiet $GITHUB_RELEASE/$LLVM_ARCHIVE
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mkdir -p llvm && tar -xzf $LLVM_ARCHIVE --strip-components 1 -C llvm
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)
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export LLVM_INSTALL_PATH=$SRC/llvm
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if [ "$SANITIZER" = "undefined" ]
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then
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# Disable vptr because it's not allowed with '-fno-rtti'
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CFLAGS="$CFLAGS -fno-sanitize=function,vptr"
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CXXFLAGS="$CXXFLAGS -fno-sanitize=function,vptr"
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fi
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# Undefine NDEBUG to enable asserts.
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export BAZEL_EXTRA_BUILD_FLAGS="--copt=-UNDEBUG"
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# Run the build!
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bazel_build_fuzz_tests
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# OSS-Fuzz rule doesn't build data dependencies
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bazel build //testdata:fuzzer_binary_gen
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# OSS-Fuzz rule doesn't handle dynamic dependencies
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# Copy liblldb.so
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mkdir -p $OUT/lib
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cp $SRC/llvm/lib/liblldb.so* $OUT/lib
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# List of targets to fuzz.
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TARGETS=(
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lldb_eval_libfuzzer_test
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lldb_vs_lldb_eval_libfuzzer_test
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)
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# Preparation of each target.
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for target in ${TARGETS[@]}; do
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# OSS-Fuzz rule doesn't package runfiles yet:
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# https://github.com/bazelbuild/rules_fuzzing/issues/100
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mkdir -p $OUT/$target.runfiles
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# fuzzer_binary
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mkdir -p $OUT/$target.runfiles/lldb_eval/testdata
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cp $SRC/lldb-eval/bazel-bin/testdata/fuzzer_binary $OUT/$target.runfiles/lldb_eval/testdata/
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cp $SRC/lldb-eval/testdata/fuzzer_binary.cc $OUT/$target.runfiles/lldb_eval/testdata/
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# lldb-server
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mkdir -p $OUT/$target.runfiles/llvm_project/bin
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cp $SRC/llvm/bin/lldb-server $OUT/$target.runfiles/llvm_project/bin/lldb-server
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# Patch RPATH of the fuzz target
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patchelf --set-rpath '$ORIGIN/lib' $OUT/$target
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done
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cp $SRC/lldb_vs_lldb_eval_libfuzzer_test.options $OUT/
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