Agent libraries need to be searched for JNI functions

This makes agent libraries the option of last resort for native
method implementations. This will allow one to not need to manually
link all native methods in an agent library.

Bug: 37522517
Bug: 37432636
Test: ./test.py --host -j40
Change-Id: I5ad78a15e7e2799d2a877c5d603342899e2a1bd1

3 files changed, 91 insertions, 0 deletions

diff --git a/test/987-agent-bind/src/Main.java b/test/987-agent-bind/src/Main.java
new file mode 100644
index 0000000000..9ce6242c62
--- /dev/null
+++ b/test/987-agent-bind/src/Main.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+public class Main {
+  public static void main(String[] args) throws Exception {
+    art.Test987.run();
+  }
+}
diff --git a/test/987-agent-bind/src/art/Main.java b/test/987-agent-bind/src/art/Main.java
new file mode 100644
index 0000000000..8b01920638
--- /dev/null
+++ b/test/987-agent-bind/src/art/Main.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+package art;
+
+// Binder class so the agent's C code has something that can be bound and exposed to tests.
+// In a package to separate cleanly and work around CTS reference issues (though this class
+// should be replaced in the CTS version).
+public class Main {
+  // Load the given class with the given classloader, and bind all native methods to corresponding
+  // C methods in the agent. Will abort if any of the steps fail.
+  public static native void bindAgentJNI(String className, ClassLoader classLoader);
+  // Same as above, giving the class directly.
+  public static native void bindAgentJNIForClass(Class<?> klass);
+}
diff --git a/test/987-agent-bind/src/art/Test987.java b/test/987-agent-bind/src/art/Test987.java
new file mode 100644
index 0000000000..ae97ff25c3
--- /dev/null
+++ b/test/987-agent-bind/src/art/Test987.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+package art;
+
+public class Test987 {
+  // A class with a native method we can play with.
+  static class Transform {
+    private static native void sayHi();
+    private static native void sayHi2();
+  }
+
+  public static void run() throws Exception {
+    doTest();
+  }
+
+  public static void doTest() throws Exception {
+    Transform.sayHi();
+    Transform.sayHi2();
+  }
+  // Functions called from native code.
+  public static void doSayHi() {
+    System.out.println("Hello");
+  }
+
+  public static void doSayHi2() {
+    System.out.println("Hello - 2");
+  }
+}