From 36b6f0472feb176aefff4ecba0a852755582fd43 Mon Sep 17 00:00:00 2001
From: Dan Albert <danalbert@google.com>
Date: Thu, 30 Jul 2015 16:56:30 -0700
Subject: [PATCH] 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
---
 core/config.mk         |  2 ++
 core/fuzz_test.mk      | 34 ++++++++++++++++++++++++++++++++++
 core/host_fuzz_test.mk |  9 +++++++++
 3 files changed, 45 insertions(+)
 create mode 100644 core/fuzz_test.mk
 create mode 100644 core/host_fuzz_test.mk

diff --git a/core/config.mk b/core/config.mk
index 498c79313..fea3d4b45 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -85,6 +85,8 @@ BUILD_COPY_HEADERS := $(BUILD_SYSTEM)/copy_headers.mk
 BUILD_NATIVE_TEST := $(BUILD_SYSTEM)/native_test.mk
 BUILD_NATIVE_BENCHMARK := $(BUILD_SYSTEM)/native_benchmark.mk
 BUILD_HOST_NATIVE_TEST := $(BUILD_SYSTEM)/host_native_test.mk
+BUILD_FUZZ_TEST := $(BUILD_SYSTEM)/fuzz_test.mk
+BUILD_HOST_FUZZ_TEST := $(BUILD_SYSTEM)/host_fuzz_test.mk
 
 BUILD_SHARED_TEST_LIBRARY := $(BUILD_SYSTEM)/shared_test_lib.mk
 BUILD_HOST_SHARED_TEST_LIBRARY := $(BUILD_SYSTEM)/host_shared_test_lib.mk
diff --git a/core/fuzz_test.mk b/core/fuzz_test.mk
new file mode 100644
index 000000000..065cc030e
--- /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)
diff --git a/core/host_fuzz_test.mk b/core/host_fuzz_test.mk
new file mode 100644
index 000000000..e917959df
--- /dev/null
+++ b/core/host_fuzz_test.mk
@@ -0,0 +1,9 @@
+################################################
+## A thin wrapper around BUILD_HOST_EXECUTABLE
+## Common flags for host fuzz tests are added.
+################################################
+
+LOCAL_CFLAGS += -fsanitize-coverage=edge,indirect-calls,8bit-counters
+LOCAL_STATIC_LIBRARIES += libLLVMFuzzer
+
+include $(BUILD_HOST_EXECUTABLE)