[lldb-eval] Initial integration (#5831)

* [lldb-eval] Initial integration

* Update project.yaml

* Add missing license headers

* Update Dockerfile

* Update build.sh

* Update project.yaml

* Use prebuilt LLVM, Clang and LLDB libraries

Co-authored-by: jonathanmetzman <31354670+jonathanmetzman@users.noreply.github.com>

3 files changed, 97 insertions, 0 deletions

diff --git a/projects/lldb-eval/Dockerfile b/projects/lldb-eval/Dockerfile
new file mode 100644
index 000000000..15e5bab6f
--- /dev/null
+++ b/projects/lldb-eval/Dockerfile
@@ -0,0 +1,26 @@
+# Copyright 2021 Google LLC
+#
+# 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.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder
+
+RUN apt-get update \
+    && apt-get install -y wget git patchelf zlib1g-dev libtinfo-dev --no-install-recommends
+
+RUN git clone --depth 1 https://github.com/google/lldb-eval
+
+COPY build.sh $SRC/
+
+WORKDIR $SRC/lldb-eval
diff --git a/projects/lldb-eval/build.sh b/projects/lldb-eval/build.sh
new file mode 100644
index 000000000..888bb9a3d
--- /dev/null
+++ b/projects/lldb-eval/build.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# 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.
+#
+################################################################################
+
+(
+cd $SRC/
+GITHUB_RELEASE="https://github.com/google/lldb-eval/releases/download/oss-fuzz-llvm-11"
+
+wget --quiet --show-progress $GITHUB_RELEASE/llvm-11.1.0-source.tar.gz
+tar -xzf llvm-11.1.0-source.tar.gz
+
+wget --quiet --show-progress $GITHUB_RELEASE/llvm-11.1.0-x86_64-linux-release-genfiles.tar.gz
+tar -xzf llvm-11.1.0-x86_64-linux-release-genfiles.tar.gz
+
+if [ "$SANITIZER" = "address" ]
+then
+  LLVM_ARCHIVE="llvm-11.1.0-x86_64-linux-release-address.tar.gz"
+else
+  LLVM_ARCHIVE="llvm-11.1.0-x86_64-linux-release-coverage.tar.gz"
+fi
+
+wget --quiet --show-progress $GITHUB_RELEASE/$LLVM_ARCHIVE
+mkdir -p llvm && tar -xzf $LLVM_ARCHIVE --strip-components 1 -C llvm
+)
+export LLVM_INSTALL_PATH=$SRC/llvm
+
+# Run the build!
+bazel_build_fuzz_tests
+
+# OSS-Fuzz rule doesn't build data dependencies
+bazel build //testdata:fuzzer_binary_gen
+
+# OSS-Fuzz rule doesn't package runfiles yet:
+# https://github.com/bazelbuild/rules_fuzzing/issues/100
+mkdir -p $OUT/lldb_eval_libfuzzer_test.runfiles
+# fuzzer_binary
+mkdir -p $OUT/lldb_eval_libfuzzer_test.runfiles/lldb_eval/testdata
+cp $SRC/lldb-eval/bazel-bin/testdata/fuzzer_binary $OUT/lldb_eval_libfuzzer_test.runfiles/lldb_eval/testdata/
+cp $SRC/lldb-eval/testdata/fuzzer_binary.cc $OUT/lldb_eval_libfuzzer_test.runfiles/lldb_eval/testdata/
+# lldb-server
+mkdir -p $OUT/lldb_eval_libfuzzer_test.runfiles/llvm_project/bin
+cp $SRC/llvm/bin/lldb-server $OUT/lldb_eval_libfuzzer_test.runfiles/llvm_project/bin/lldb-server
+
+# OSS-Fuzz rule doesn't handle dynamic dependencies
+# Copy liblldb.so and path RPATH of the fuzz target
+mkdir -p $OUT/lib
+cp -a $SRC/llvm/lib/liblldb.so* $OUT/lib
+patchelf --set-rpath '$ORIGIN/lib' $OUT/lldb_eval_libfuzzer_test
diff --git a/projects/lldb-eval/project.yaml b/projects/lldb-eval/project.yaml
new file mode 100644
index 000000000..63969bc62
--- /dev/null
+++ b/projects/lldb-eval/project.yaml
@@ -0,0 +1,10 @@
+homepage: "https://github.com/google/lldb-eval"
+main_repo: "https://github.com/google/lldb-eval"
+language: c++
+primary_contact: "werat@google.com"
+auto_ccs:
+  - "tsabolcec@google.com"
+fuzzing_engines:
+  - libfuzzer
+sanitizers:
+  - address