Import libfuzzer-sys Rust Crate

Bug: 147140513
Test: N/A
Change-Id: I3be474604ebb26642b8f7f536ee3e77bd8ce2469

1 files changed, 178 insertions, 0 deletions

diff --git a/libfuzzer/CMakeLists.txt b/libfuzzer/CMakeLists.txt
new file mode 100644
index 0000000..b98c271
--- /dev/null
+++ b/libfuzzer/CMakeLists.txt
@@ -0,0 +1,178 @@
+set(LIBFUZZER_SOURCES
+  FuzzerCrossOver.cpp
+  FuzzerDataFlowTrace.cpp
+  FuzzerDriver.cpp
+  FuzzerExtFunctionsDlsym.cpp
+  FuzzerExtFunctionsWeak.cpp
+  FuzzerExtFunctionsWindows.cpp
+  FuzzerExtraCounters.cpp
+  FuzzerFork.cpp
+  FuzzerIO.cpp
+  FuzzerIOPosix.cpp
+  FuzzerIOWindows.cpp
+  FuzzerLoop.cpp
+  FuzzerMerge.cpp
+  FuzzerMutate.cpp
+  FuzzerSHA1.cpp
+  FuzzerTracePC.cpp
+  FuzzerUtil.cpp
+  FuzzerUtilDarwin.cpp
+  FuzzerUtilFuchsia.cpp
+  FuzzerUtilLinux.cpp
+  FuzzerUtilPosix.cpp
+  FuzzerUtilWindows.cpp)
+
+set(LIBFUZZER_HEADERS
+  FuzzerBuiltins.h
+  FuzzerBuiltinsMsvc.h
+  FuzzerCommand.h
+  FuzzerCorpus.h
+  FuzzerDataFlowTrace.h
+  FuzzerDefs.h
+  FuzzerDictionary.h
+  FuzzerExtFunctions.def
+  FuzzerExtFunctions.h
+  FuzzerFlags.def
+  FuzzerFork.h
+  FuzzerIO.h
+  FuzzerInterface.h
+  FuzzerInternal.h
+  FuzzerMerge.h
+  FuzzerMutate.h
+  FuzzerOptions.h
+  FuzzerRandom.h
+  FuzzerSHA1.h
+  FuzzerTracePC.h
+  FuzzerUtil.h
+  FuzzerValueBitMap.h)
+
+include_directories(../../include)
+
+CHECK_CXX_SOURCE_COMPILES("
+  static thread_local int blah;
+  int main() {
+  return 0;
+  }
+  " HAS_THREAD_LOCAL)
+
+set(LIBFUZZER_CFLAGS ${SANITIZER_COMMON_CFLAGS})
+
+if(OS_NAME MATCHES "Linux|Fuchsia" AND
+   COMPILER_RT_LIBCXX_PATH AND
+   COMPILER_RT_LIBCXXABI_PATH)
+  list(APPEND LIBFUZZER_CFLAGS -nostdinc++ -D_LIBCPP_ABI_VERSION=Fuzzer)
+  # Remove -stdlib= which is unused when passing -nostdinc++.
+  string(REGEX REPLACE "-stdlib=[a-zA-Z+]*" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
+elseif(TARGET cxx-headers OR HAVE_LIBCXX)
+  set(LIBFUZZER_DEPS cxx-headers)
+endif()
+
+append_list_if(COMPILER_RT_HAS_OMIT_FRAME_POINTER_FLAG -fno-omit-frame-pointer LIBFUZZER_CFLAGS)
+
+if (CMAKE_CXX_FLAGS MATCHES "fsanitize-coverage")
+  list(APPEND LIBFUZZER_CFLAGS -fno-sanitize-coverage=trace-pc-guard,edge,trace-cmp,indirect-calls,8bit-counters)
+endif()
+
+if(MSVC)
+  # Silence warnings by turning off exceptions in MSVC headers and avoid an
+  # error by unecessarily defining thread_local when it isn't even used on
+  # Windows.
+  list(APPEND LIBFUZZER_CFLAGS -D_HAS_EXCEPTIONS=0)
+else()
+  if(NOT HAS_THREAD_LOCAL)
+    list(APPEND LIBFUZZER_CFLAGS -Dthread_local=__thread)
+  endif()
+endif()
+
+add_compiler_rt_component(fuzzer)
+
+add_compiler_rt_object_libraries(RTfuzzer
+  OS ${FUZZER_SUPPORTED_OS}
+  ARCHS ${FUZZER_SUPPORTED_ARCH}
+  SOURCES ${LIBFUZZER_SOURCES}
+  ADDITIONAL_HEADERS ${LIBFUZZER_HEADERS}
+  CFLAGS ${LIBFUZZER_CFLAGS}
+  DEPS ${LIBFUZZER_DEPS})
+
+add_compiler_rt_object_libraries(RTfuzzer_main
+  OS ${FUZZER_SUPPORTED_OS}
+  ARCHS ${FUZZER_SUPPORTED_ARCH}
+  SOURCES FuzzerMain.cpp
+  CFLAGS ${LIBFUZZER_CFLAGS}
+  DEPS ${LIBFUZZER_DEPS})
+
+add_compiler_rt_object_libraries(RTfuzzer_interceptors
+  OS ${FUZZER_SUPPORTED_OS}
+  ARCHS ${FUZZER_SUPPORTED_ARCH}
+  SOURCES FuzzerInterceptors.cpp
+  CFLAGS ${LIBFUZZER_CFLAGS}
+  DEPS ${LIBFUZZER_DEPS})
+
+add_compiler_rt_runtime(clang_rt.fuzzer
+  STATIC
+  OS ${FUZZER_SUPPORTED_OS}
+  ARCHS ${FUZZER_SUPPORTED_ARCH}
+  OBJECT_LIBS RTfuzzer RTfuzzer_main
+  CFLAGS ${LIBFUZZER_CFLAGS}
+  PARENT_TARGET fuzzer)
+
+add_compiler_rt_runtime(clang_rt.fuzzer_no_main
+  STATIC
+  OS ${FUZZER_SUPPORTED_OS}
+  ARCHS ${FUZZER_SUPPORTED_ARCH}
+  OBJECT_LIBS RTfuzzer
+  CFLAGS ${LIBFUZZER_CFLAGS}
+  PARENT_TARGET fuzzer)
+
+add_compiler_rt_runtime(clang_rt.fuzzer_interceptors
+  STATIC
+  OS ${FUZZER_SUPPORTED_OS}
+  ARCHS ${FUZZER_SUPPORTED_ARCH}
+  OBJECT_LIBS RTfuzzer_interceptors
+  CFLAGS ${LIBFUZZER_CFLAGS}
+  PARENT_TARGET fuzzer)
+
+if(OS_NAME MATCHES "Linux|Fuchsia" AND
+   COMPILER_RT_LIBCXX_PATH AND
+   COMPILER_RT_LIBCXXABI_PATH)
+  macro(partially_link_libcxx name dir arch)
+    if(${arch} MATCHES "i386")
+      set(EMULATION_ARGUMENT "-m" "elf_i386")
+    else()
+      set(EMULATION_ARGUMENT "")
+    endif()
+    set(cxx_${arch}_merge_dir "${CMAKE_CURRENT_BINARY_DIR}/cxx_${arch}_merge.dir")
+    file(MAKE_DIRECTORY ${cxx_${arch}_merge_dir})
+    add_custom_command(TARGET clang_rt.${name}-${arch} POST_BUILD
+      COMMAND ${CMAKE_LINKER} ${EMULATION_ARGUMENT} --whole-archive "$<TARGET_LINKER_FILE:clang_rt.${name}-${arch}>" --no-whole-archive ${dir}/lib/libc++.a -r -o ${name}.o
+      COMMAND ${CMAKE_OBJCOPY} --localize-hidden ${name}.o
+      COMMAND ${CMAKE_COMMAND} -E remove "$<TARGET_LINKER_FILE:clang_rt.${name}-${arch}>"
+      COMMAND ${CMAKE_AR} qcs "$<TARGET_LINKER_FILE:clang_rt.${name}-${arch}>" ${name}.o
+      WORKING_DIRECTORY ${cxx_${arch}_merge_dir}
+    )
+  endmacro()
+
+  foreach(arch ${FUZZER_SUPPORTED_ARCH})
+    get_target_flags_for_arch(${arch} TARGET_CFLAGS)
+    set(LIBCXX_${arch}_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/libcxx_fuzzer_${arch})
+    add_custom_libcxx(libcxx_fuzzer_${arch} ${LIBCXX_${arch}_PREFIX}
+      CFLAGS ${TARGET_CFLAGS}
+      CMAKE_ARGS -DCMAKE_CXX_COMPILER_WORKS=ON
+                 -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+                 -DLIBCXXABI_ENABLE_EXCEPTIONS=OFF
+                 -DLIBCXX_ABI_NAMESPACE=__Fuzzer)
+    target_compile_options(RTfuzzer.${arch} PRIVATE -isystem ${LIBCXX_${arch}_PREFIX}/include/c++/v1)
+    add_dependencies(RTfuzzer.${arch} libcxx_fuzzer_${arch}-build)
+    target_compile_options(RTfuzzer_main.${arch} PRIVATE -isystem ${LIBCXX_${arch}_PREFIX}/include/c++/v1)
+    add_dependencies(RTfuzzer_main.${arch} libcxx_fuzzer_${arch}-build)
+    target_compile_options(RTfuzzer_interceptors.${arch} PRIVATE -isystem ${LIBCXX_${arch}_PREFIX}/include/c++/v1)
+    add_dependencies(RTfuzzer_interceptors.${arch} libcxx_fuzzer_${arch}-build)
+    partially_link_libcxx(fuzzer_no_main ${LIBCXX_${arch}_PREFIX} ${arch})
+    partially_link_libcxx(fuzzer_interceptors ${LIBCXX_${arch}_PREFIX} ${arch})
+    partially_link_libcxx(fuzzer ${LIBCXX_${arch}_PREFIX} ${arch})
+  endforeach()
+endif()
+
+if(COMPILER_RT_INCLUDE_TESTS)
+  add_subdirectory(tests)
+endif()