Add BUILD(_HOST)?_FUZZ_TEST.
These are tests that use LLVM's libFuzzer for testing with a
sanitizer.
Bug: http://b/22850550
Change-Id: I6eeaff7877b7dd0c30f8910c6f27f5278b27a83d
diff --git a/core/fuzz_test.mk b/core/fuzz_test.mk
new file mode 100644
index 0000000..065cc03
--- /dev/null
+++ b/core/fuzz_test.mk
@@ -0,0 +1,34 @@
+###########################################
+## A thin wrapper around BUILD_EXECUTABLE
+## Common flags for fuzz tests are added.
+###########################################
+
+ifdef LOCAL_SDK_VERSION
+ $(error $(LOCAL_PATH): $(LOCAL_MODULE): NDK fuzz tests are not supported.)
+endif
+
+LOCAL_CFLAGS += -fsanitize-coverage=edge,indirect-calls,8bit-counters
+LOCAL_STATIC_LIBRARIES += libLLVMFuzzer
+
+ifdef LOCAL_MODULE_PATH
+$(error $(LOCAL_PATH): Do not set LOCAL_MODULE_PATH when building test $(LOCAL_MODULE))
+endif
+
+ifdef LOCAL_MODULE_PATH_32
+$(error $(LOCAL_PATH): Do not set LOCAL_MODULE_PATH_32 when building test $(LOCAL_MODULE))
+endif
+
+ifdef LOCAL_MODULE_PATH_64
+$(error $(LOCAL_PATH): Do not set LOCAL_MODULE_PATH_64 when building test $(LOCAL_MODULE))
+endif
+
+LOCAL_MODULE_PATH_64 := $(TARGET_OUT_DATA_NATIVE_TESTS)/$(LOCAL_MODULE)
+LOCAL_MODULE_PATH_32 := $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_DATA_NATIVE_TESTS)/$(LOCAL_MODULE)
+
+ifndef LOCAL_MULTILIB
+ifndef LOCAL_32_BIT_ONLY
+LOCAL_MULTILIB := both
+endif
+endif
+
+include $(BUILD_EXECUTABLE)