1 files changed, 85 insertions, 0 deletions
diff --git a/openjdkjvmti/ti_ddms.cc b/openjdkjvmti/ti_ddms.cc
new file mode 100644
index 0000000000..500a453f78
--- /dev/null
+++ b/openjdkjvmti/ti_ddms.cc
@@ -0,0 +1,85 @@
+/* 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 <functional>
+#include <vector>
+
+#include "ti_ddms.h"
+
+#include "art_jvmti.h"
+#include "base/array_ref.h"
+#include "debugger.h"
+#include "scoped_thread_state_change-inl.h"
+#include "thread-inl.h"
+
+namespace openjdkjvmti {
+
+jvmtiError DDMSUtil::HandleChunk(jvmtiEnv* env,
+                                 jint type_in,
+                                 jint length_in,
+                                 const jbyte* data_in,
+                                 /*out*/jint* type_out,
+                                 /*out*/jint* data_length_out,
+                                 /*out*/jbyte** data_out) {
+  constexpr uint32_t kDdmHeaderSize = sizeof(uint32_t) * 2;
+  if (env == nullptr || data_in == nullptr || data_out == nullptr || data_length_out == nullptr) {
+    return ERR(NULL_POINTER);
+  } else if (length_in < static_cast<jint>(kDdmHeaderSize)) {
+    // need to get type and length at least.
+    return ERR(ILLEGAL_ARGUMENT);
+  }
+
+  art::Thread* self = art::Thread::Current();
+  art::ScopedThreadStateChange(self, art::ThreadState::kNative);
+
+  art::ArrayRef<const jbyte> data_arr(data_in, length_in);
+  std::vector<uint8_t> out_data;
+  if (!art::Dbg::DdmHandleChunk(self->GetJniEnv(),
+                                type_in,
+                                data_arr,
+                                /*out*/reinterpret_cast<uint32_t*>(type_out),
+                                /*out*/&out_data)) {
+    LOG(WARNING) << "Something went wrong with handling the ddm chunk.";
+    return ERR(INTERNAL);
+  } else {
+    jvmtiError error = OK;
+    JvmtiUniquePtr<jbyte[]> ret = AllocJvmtiUniquePtr<jbyte[]>(env, out_data.size(), &error);
+    if (error != OK) {
+      return error;
+    }
+    memcpy(ret.get(), out_data.data(), out_data.size());
+    *data_out = ret.release();
+    *data_length_out = static_cast<jint>(out_data.size());
+    return OK;
+  }
+}
+
+}  // namespace openjdkjvmti