ART: Move openjdkjvmti to art/

Move libopenjdkjvmti out of the runtime directory. Let's not
pollute the runtime library.

Test: m test-art-host
Change-Id: Idb6b9cebcd61777bd3200437a2ae584a63a4a341

1 files changed, 155 insertions, 0 deletions

diff --git a/openjdkjvmti/ti_phase.cc b/openjdkjvmti/ti_phase.cc
new file mode 100644
index 0000000000..8893c9b4aa
--- /dev/null
+++ b/openjdkjvmti/ti_phase.cc
@@ -0,0 +1,155 @@
+/* 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_phase.h"
+
+#include "art_jvmti.h"
+#include "base/macros.h"
+#include "events-inl.h"
+#include "nativehelper/ScopedLocalRef.h"
+#include "runtime.h"
+#include "runtime_callbacks.h"
+#include "scoped_thread_state_change-inl.h"
+#include "thread-current-inl.h"
+#include "thread_list.h"
+#include "ti_thread.h"
+
+namespace openjdkjvmti {
+
+jvmtiPhase PhaseUtil::current_phase_ = static_cast<jvmtiPhase>(0);
+
+struct PhaseUtil::PhaseCallback : public art::RuntimePhaseCallback {
+  inline static JNIEnv* GetJniEnv() {
+    return reinterpret_cast<JNIEnv*>(art::Thread::Current()->GetJniEnv());
+  }
+
+  inline static jthread GetCurrentJThread() {
+    art::ScopedObjectAccess soa(art::Thread::Current());
+    return soa.AddLocalReference<jthread>(soa.Self()->GetPeer());
+  }
+
+  void NextRuntimePhase(RuntimePhase phase) REQUIRES_SHARED(art::Locks::mutator_lock_) OVERRIDE {
+    switch (phase) {
+      case RuntimePhase::kInitialAgents:
+        PhaseUtil::current_phase_ = JVMTI_PHASE_PRIMORDIAL;
+        break;
+      case RuntimePhase::kStart:
+        {
+          art::ScopedThreadSuspension sts(art::Thread::Current(), art::ThreadState::kNative);
+          event_handler->DispatchEvent<ArtJvmtiEvent::kVmStart>(nullptr, GetJniEnv());
+          PhaseUtil::current_phase_ = JVMTI_PHASE_START;
+        }
+        break;
+      case RuntimePhase::kInit:
+        {
+          ThreadUtil::CacheData();
+          ScopedLocalRef<jthread> thread(GetJniEnv(), GetCurrentJThread());
+          art::ScopedThreadSuspension sts(art::Thread::Current(), art::ThreadState::kNative);
+          event_handler->DispatchEvent<ArtJvmtiEvent::kVmInit>(nullptr, GetJniEnv(), thread.get());
+          PhaseUtil::current_phase_ = JVMTI_PHASE_LIVE;
+        }
+        break;
+      case RuntimePhase::kDeath:
+        {
+          art::ScopedThreadSuspension sts(art::Thread::Current(), art::ThreadState::kNative);
+          event_handler->DispatchEvent<ArtJvmtiEvent::kVmDeath>(nullptr, GetJniEnv());
+          PhaseUtil::current_phase_ = JVMTI_PHASE_DEAD;
+        }
+        // TODO: Block events now.
+        break;
+    }
+  }
+
+  EventHandler* event_handler = nullptr;
+};
+
+PhaseUtil::PhaseCallback gPhaseCallback;
+
+jvmtiError PhaseUtil::GetPhase(jvmtiEnv* env ATTRIBUTE_UNUSED, jvmtiPhase* phase_ptr) {
+  if (phase_ptr == nullptr) {
+    return ERR(NULL_POINTER);
+  }
+  jvmtiPhase now = PhaseUtil::current_phase_;
+  DCHECK(now == JVMTI_PHASE_ONLOAD ||
+         now == JVMTI_PHASE_PRIMORDIAL ||
+         now == JVMTI_PHASE_START ||
+         now == JVMTI_PHASE_LIVE ||
+         now == JVMTI_PHASE_DEAD);
+  *phase_ptr = now;
+  return ERR(NONE);
+}
+
+bool PhaseUtil::IsLivePhase() {
+  jvmtiPhase now = PhaseUtil::current_phase_;
+  DCHECK(now == JVMTI_PHASE_ONLOAD ||
+         now == JVMTI_PHASE_PRIMORDIAL ||
+         now == JVMTI_PHASE_START ||
+         now == JVMTI_PHASE_LIVE ||
+         now == JVMTI_PHASE_DEAD);
+  return now == JVMTI_PHASE_LIVE;
+}
+
+void PhaseUtil::SetToOnLoad() {
+  DCHECK_EQ(0u, static_cast<size_t>(PhaseUtil::current_phase_));
+  PhaseUtil::current_phase_ = JVMTI_PHASE_ONLOAD;
+}
+
+void PhaseUtil::SetToPrimordial() {
+  DCHECK_EQ(static_cast<size_t>(JVMTI_PHASE_ONLOAD), static_cast<size_t>(PhaseUtil::current_phase_));
+  PhaseUtil::current_phase_ = JVMTI_PHASE_ONLOAD;
+}
+
+void PhaseUtil::SetToLive() {
+  DCHECK_EQ(static_cast<size_t>(0), static_cast<size_t>(PhaseUtil::current_phase_));
+  ThreadUtil::CacheData();
+  PhaseUtil::current_phase_ = JVMTI_PHASE_LIVE;
+}
+
+void PhaseUtil::Register(EventHandler* handler) {
+  gPhaseCallback.event_handler = handler;
+  art::ScopedThreadStateChange stsc(art::Thread::Current(),
+                                    art::ThreadState::kWaitingForDebuggerToAttach);
+  art::ScopedSuspendAll ssa("Add phase callback");
+  art::Runtime::Current()->GetRuntimeCallbacks()->AddRuntimePhaseCallback(&gPhaseCallback);
+}
+
+void PhaseUtil::Unregister() {
+  art::ScopedThreadStateChange stsc(art::Thread::Current(),
+                                    art::ThreadState::kWaitingForDebuggerToAttach);
+  art::ScopedSuspendAll ssa("Remove phase callback");
+  art::Runtime::Current()->GetRuntimeCallbacks()->RemoveRuntimePhaseCallback(&gPhaseCallback);
+}
+
+jvmtiPhase PhaseUtil::GetPhaseUnchecked() {
+  return PhaseUtil::current_phase_;
+}
+
+}  // namespace openjdkjvmti