Make a fake libart for misbehaving apps.
Bug: 27775991
Change-Id: I22864aa22d4864d85e055a5b1d3ff1faf122011b
(cherry picked from commit b270b9e6cba453209e226b0f621c75f2e51f122a)
diff --git a/Android.mk b/Android.mk
index 25796a0..bb1334a 100644
--- a/Android.mk
+++ b/Android.mk
@@ -93,6 +93,7 @@
include $(art_path)/tools/dexfuzz/Android.mk
include $(art_path)/tools/dmtracedump/Android.mk
include $(art_path)/sigchainlib/Android.mk
+include $(art_path)/libart_fake/Android.mk
# ART_HOST_DEPENDENCIES depends on Android.executable.mk above for ART_HOST_EXECUTABLES
diff --git a/libart_fake/Android.mk b/libart_fake/Android.mk
new file mode 100644
index 0000000..ed868a5
--- /dev/null
+++ b/libart_fake/Android.mk
@@ -0,0 +1,34 @@
+# Copyright (C) 2016 The Android Open Source Project
+#
+# 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.
+#
+
+LOCAL_PATH := $(my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := libart_fake
+LOCAL_INSTALLED_MODULE_STEM := libart.so
+LOCAL_SDK_VERSION := 9
+LOCAL_CPP_EXTENSION := .cc
+LOCAL_SRC_FILES := fake.cc
+LOCAL_SHARED_LIBRARIES := liblog
+
+ifdef TARGET_2ND_ARCH
+ LOCAL_MODULE_PATH_32 := $(TARGET_OUT)/fake-libs
+ LOCAL_MODULE_PATH_64 := $(TARGET_OUT)/fake-libs64
+else
+ LOCAL_MODULE_PATH := $(TARGET_OUT)/fake-libs
+endif
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/libart_fake/README.md b/libart_fake/README.md
new file mode 100644
index 0000000..6e3621e
--- /dev/null
+++ b/libart_fake/README.md
@@ -0,0 +1,5 @@
+libart_fake
+====
+
+A fake libart made to satisfy some misbehaving apps that will attempt to link
+against libart.so.
diff --git a/libart_fake/fake.cc b/libart_fake/fake.cc
new file mode 100644
index 0000000..8842421
--- /dev/null
+++ b/libart_fake/fake.cc
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2016 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#define LOG_TAG "libart_fake"
+
+#include <android/log.h>
+
+#define LOGIT(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
+namespace art {
+class Dbg {
+ public:
+ void SuspendVM();
+ void ResumeVM();
+};
+
+class FaultManager {
+ public:
+ void EnsureArtActionInFrontOfSignalChain();
+};
+
+void Dbg::SuspendVM() {
+ LOGIT("Linking to and calling into libart.so internal functions is not supported. "
+ "This call to '%s' is being ignored.", __func__);
+}
+void Dbg::ResumeVM() {
+ LOGIT("Linking to and calling into libart.so internal functions is not supported. "
+ "This call to '%s' is being ignored.", __func__);
+}
+void FaultManager::EnsureArtActionInFrontOfSignalChain() {
+ LOGIT("Linking to and calling into libart.so internal functions is not supported. "
+ "This call to '%s' is being ignored.", __func__);
+}
+}; // namespace art
