1if(CLANG_ENABLE_PROTO_FUZZER) 2 set(LLVM_LINK_COMPONENTS 3 Support 4 ) 5 6 add_llvm_fuzzer(lldb-expression-fuzzer 7 EXCLUDE_FROM_ALL 8 lldb-expression-fuzzer.cpp 9 ) 10 11 if(TARGET lldb-expression-fuzzer) 12 target_include_directories(lldb-expression-fuzzer PRIVATE ..) 13 find_package(Protobuf REQUIRED) 14 add_definitions(-DGOOGLE_PROTOBUF_NO_RTTI) 15 include_directories(${PROTOBUF_INCLUDE_DIRS}) 16 include_directories(${CMAKE_CURRENT_BINARY_DIR}/../../../../clang/tools/clang-fuzzer PRIVATE ..) 17 include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../../../../clang/tools/clang-fuzzer) 18 19 set(CLANG_CMAKE_MODULE_PATH 20 ${CMAKE_CURRENT_SOURCE_DIR}/../../../../clang/cmake/modules) 21 22 set(CMAKE_MODULE_PATH 23 ${CMAKE_MODULE_PATH} 24 ${CLANG_CMAKE_MODULE_PATH}) 25 26 27 set (PBM_PREFIX lldb_protobuf_mutator) 28 include(ProtobufMutator) 29 include_directories(${ProtobufMutator_INCLUDE_DIRS}) 30 31 target_link_libraries(lldb-expression-fuzzer 32 PRIVATE 33 ${ProtobufMutator_LIBRARIES} 34 ${LLVM_LIB_FUZZING_ENGINE} 35 clangHandleCXX 36 clangCXXProto 37 clangProtoToCXX 38 liblldb 39 ) 40 41 add_custom_command(TARGET lldb-expression-fuzzer PRE_BUILD 42 COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_BINARY_DIR}/fuzzer-artifacts/expression-artifacts 43 # Create and compile a simple C program using the command line. This is 44 # needed because LLDB's expression evaluator needs a legitmate target 45 # instead of a dummy target 46 COMMAND echo 'int main (int argc, char** argv) { return 0\; }' | clang -o main.out -xc - 47 ) 48 49 # Create a directory for storing the fuzzer's artifacts and run the fuzzer with arguments that will 50 # not attempt to reduce the size of the inputs being generated 51 # Also set the executable that's created above as an environment variable for the 52 # source code to use 53 add_custom_target(fuzz-lldb-expression 54 COMMENT "Running the LLDB expression evaluator fuzzer..." 55 WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/fuzzer-artifacts/expression-artifacts 56 COMMAND ${CMAKE_COMMAND} -E env LLDB_FUZZER_TARGET=${CMAKE_CURRENT_BINARY_DIR}/main.out $<TARGET_FILE:lldb-expression-fuzzer> -artifact_prefix=expression- -reduce_inputs=0 57 USES_TERMINAL 58 ) 59 endif() 60endif() 61