upload android base code part3

android/art/runtime/openjdkjvmti/ti_object.cc

@@ -0,0 +1,76 @@
+/* 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_object.h"
+
+#include "art_jvmti.h"
+#include "mirror/object-inl.h"
+#include "scoped_thread_state_change-inl.h"
+#include "thread-current-inl.h"
+
+namespace openjdkjvmti {
+
+jvmtiError ObjectUtil::GetObjectSize(jvmtiEnv* env ATTRIBUTE_UNUSED,
+                                     jobject jobject,
+                                     jlong* size_ptr) {
+  if (jobject == nullptr) {
+    return ERR(INVALID_OBJECT);
+  }
+  if (size_ptr == nullptr) {
+    return ERR(NULL_POINTER);
+  }
+
+  art::ScopedObjectAccess soa(art::Thread::Current());
+  art::ObjPtr<art::mirror::Object> object = soa.Decode<art::mirror::Object>(jobject);
+
+  *size_ptr = object->SizeOf();
+  return ERR(NONE);
+}
+
+jvmtiError ObjectUtil::GetObjectHashCode(jvmtiEnv* env ATTRIBUTE_UNUSED,
+                                         jobject jobject,
+                                         jint* hash_code_ptr) {
+  if (jobject == nullptr) {
+    return ERR(INVALID_OBJECT);
+  }
+  if (hash_code_ptr == nullptr) {
+    return ERR(NULL_POINTER);
+  }
+
+  art::ScopedObjectAccess soa(art::Thread::Current());
+  art::ObjPtr<art::mirror::Object> object = soa.Decode<art::mirror::Object>(jobject);
+
+  *hash_code_ptr = object->IdentityHashCode();
+
+  return ERR(NONE);
+}
+
+}  // namespace openjdkjvmti