ART: Add DataDumpRequest

Add support for DataDumpRequest. Add test.

Bug: 31684920
Test: m test-art-host-run-test-933-misc-events
Change-Id: Ic54b644a87cd046bc646d9f7fe24c0192f562677
diff --git a/runtime/openjdkjvmti/Android.bp b/runtime/openjdkjvmti/Android.bp
index a731c17..976a1e7 100644
--- a/runtime/openjdkjvmti/Android.bp
+++ b/runtime/openjdkjvmti/Android.bp
@@ -22,6 +22,7 @@
            "OpenjdkJvmTi.cc",
            "ti_class.cc",
            "ti_class_definition.cc",
+           "ti_dump.cc",
            "ti_field.cc",
            "ti_heap.cc",
            "ti_jni.cc",
diff --git a/runtime/openjdkjvmti/OpenjdkJvmTi.cc b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
index 33550d1..417d104 100644
--- a/runtime/openjdkjvmti/OpenjdkJvmTi.cc
+++ b/runtime/openjdkjvmti/OpenjdkJvmTi.cc
@@ -49,6 +49,7 @@
 #include "thread-inl.h"
 #include "thread_list.h"
 #include "ti_class.h"
+#include "ti_dump.h"
 #include "ti_field.h"
 #include "ti_heap.h"
 #include "ti_jni.h"
@@ -1311,6 +1312,7 @@
   PhaseUtil::Register(&gEventHandler);
   ThreadUtil::Register(&gEventHandler);
   ClassUtil::Register(&gEventHandler);
+  DumpUtil::Register(&gEventHandler);
 
   runtime->GetJavaVM()->AddEnvironmentHook(GetEnvHandler);
   runtime->AddSystemWeakHolder(&gObjectTagTable);
@@ -1322,6 +1324,7 @@
   PhaseUtil::Unregister();
   ThreadUtil::Unregister();
   ClassUtil::Unregister();
+  DumpUtil::Unregister();
 
   return true;
 }
diff --git a/runtime/openjdkjvmti/ti_dump.cc b/runtime/openjdkjvmti/ti_dump.cc
new file mode 100644
index 0000000..2ee5c40
--- /dev/null
+++ b/runtime/openjdkjvmti/ti_dump.cc
@@ -0,0 +1,74 @@
+/* Copyright (C) 2017 The Android Open Source Project
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This file implements interfaces from the file jvmti.h. This implementation
+ * is licensed under the same terms as the file jvmti.h.  The
+ * copyright and license information for the file jvmti.h follows.
+ *
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include "ti_dump.h"
+
+#include <limits>
+
+
+#include "art_jvmti.h"
+#include "base/mutex.h"
+#include "events-inl.h"
+#include "runtime_callbacks.h"
+#include "scoped_thread_state_change-inl.h"
+#include "thread-inl.h"
+#include "thread_list.h"
+
+namespace openjdkjvmti {
+
+struct DumpCallback : public art::RuntimeSigQuitCallback {
+  void SigQuit() OVERRIDE REQUIRES_SHARED(art::Locks::mutator_lock_) {
+    art::Thread* thread = art::Thread::Current();
+    art::ScopedThreadSuspension sts(thread, art::ThreadState::kNative);
+    event_handler->DispatchEvent(nullptr, ArtJvmtiEvent::kDataDumpRequest);
+  }
+
+  EventHandler* event_handler = nullptr;
+};
+
+static DumpCallback gDumpCallback;
+
+void DumpUtil::Register(EventHandler* handler) {
+  gDumpCallback.event_handler = handler;
+  art::ScopedThreadStateChange stsc(art::Thread::Current(),
+                                    art::ThreadState::kWaitingForDebuggerToAttach);
+  art::ScopedSuspendAll ssa("Add sigquit callback");
+  art::Runtime::Current()->GetRuntimeCallbacks()->AddRuntimeSigQuitCallback(&gDumpCallback);
+}
+
+void DumpUtil::Unregister() {
+  art::ScopedThreadStateChange stsc(art::Thread::Current(),
+                                    art::ThreadState::kWaitingForDebuggerToAttach);
+  art::ScopedSuspendAll ssa("Remove sigquit callback");
+  art::Runtime::Current()->GetRuntimeCallbacks()->RemoveRuntimeSigQuitCallback(&gDumpCallback);
+}
+
+}  // namespace openjdkjvmti
diff --git a/runtime/openjdkjvmti/ti_dump.h b/runtime/openjdkjvmti/ti_dump.h
new file mode 100644
index 0000000..67cb239
--- /dev/null
+++ b/runtime/openjdkjvmti/ti_dump.h
@@ -0,0 +1,50 @@
+/* Copyright (C) 2017 The Android Open Source Project
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This file implements interfaces from the file jvmti.h. This implementation
+ * is licensed under the same terms as the file jvmti.h.  The
+ * copyright and license information for the file jvmti.h follows.
+ *
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#ifndef ART_RUNTIME_OPENJDKJVMTI_TI_DUMP_H_
+#define ART_RUNTIME_OPENJDKJVMTI_TI_DUMP_H_
+
+#include "jni.h"
+#include "jvmti.h"
+
+namespace openjdkjvmti {
+
+class EventHandler;
+
+class DumpUtil {
+ public:
+  static void Register(EventHandler* event_handler);
+  static void Unregister();
+};
+
+}  // namespace openjdkjvmti
+
+#endif  // ART_RUNTIME_OPENJDKJVMTI_TI_DUMP_H_