Directory restructuring of object.h

Break object.h into constituent files.
Reduce number of #includes in other GC header files.
Introduce -inl.h files to avoid mirror files #include-ing each other.
Check invariants of verifier RegTypes for all constructors.

Change-Id: Iecf1171c02910ac152d52947330ef456df4043bc
diff --git a/src/mirror/stack_trace_element.h b/src/mirror/stack_trace_element.h
new file mode 100644
index 0000000..d53c860
--- /dev/null
+++ b/src/mirror/stack_trace_element.h
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+#ifndef ART_SRC_MIRROR_STACK_TRACE_ELEMENT_H_
+#define ART_SRC_MIRROR_STACK_TRACE_ELEMENT_H_
+
+#include "object.h"
+
+namespace art {
+
+struct StackTraceElementOffsets;
+
+namespace mirror {
+
+// C++ mirror of java.lang.StackTraceElement
+class MANAGED StackTraceElement : public Object {
+ public:
+  const String* GetDeclaringClass() const {
+    return GetFieldObject<const String*>(
+        OFFSET_OF_OBJECT_MEMBER(StackTraceElement, declaring_class_), false);
+  }
+
+  const String* GetMethodName() const {
+    return GetFieldObject<const String*>(
+        OFFSET_OF_OBJECT_MEMBER(StackTraceElement, method_name_), false);
+  }
+
+  const String* GetFileName() const {
+    return GetFieldObject<const String*>(
+        OFFSET_OF_OBJECT_MEMBER(StackTraceElement, file_name_), false);
+  }
+
+  int32_t GetLineNumber() const {
+    return GetField32(
+        OFFSET_OF_OBJECT_MEMBER(StackTraceElement, line_number_), false);
+  }
+
+  static StackTraceElement* Alloc(Thread* self,
+                                  String* declaring_class,
+                                  String* method_name,
+                                  String* file_name,
+                                  int32_t line_number)
+      SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
+
+  static void SetClass(Class* java_lang_StackTraceElement);
+
+  static void ResetClass();
+
+ private:
+  // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses".
+  String* declaring_class_;
+  String* file_name_;
+  String* method_name_;
+  int32_t line_number_;
+
+  static Class* GetStackTraceElement() {
+    DCHECK(java_lang_StackTraceElement_ != NULL);
+    return java_lang_StackTraceElement_;
+  }
+
+  static Class* java_lang_StackTraceElement_;
+
+  friend struct art::StackTraceElementOffsets;  // for verifying offset information
+  DISALLOW_IMPLICIT_CONSTRUCTORS(StackTraceElement);
+};
+
+}  // namespace mirror
+}  // namespace art
+
+#endif  // ART_SRC_MIRROR_STACK_TRACE_ELEMENT_H_