--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/prims/jvmtiTrace.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 1999, 2013, 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.
+ *
+ * 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 SHARE_VM_PRIMS_JVMTITRACE_HPP
+#define SHARE_VM_PRIMS_JVMTITRACE_HPP
+
+#include "classfile/systemDictionary.hpp"
+#include "jvmtifiles/jvmti.h"
+#include "oops/objArrayOop.hpp"
+#include "prims/jvmtiEnvThreadState.hpp"
+#include "prims/jvmtiEventController.hpp"
+#include "prims/jvmtiUtil.hpp"
+#include "runtime/stackValueCollection.hpp"
+#include "runtime/vm_operations.hpp"
+
+///////////////////////////////////////////////////////////////
+//
+// class JvmtiTrace
+//
+// Support for JVMTI tracing code
+//
+
+// Support tracing except in product build on the client compiler
+#ifndef PRODUCT
+#define JVMTI_TRACE
+#else
+#ifdef COMPILER2
+#define JVMTI_TRACE
+#endif
+#endif
+
+#ifdef JVMTI_TRACE
+
+class JvmtiTrace : AllStatic {
+
+  static bool        _initialized;
+  static bool        _on;
+  static bool        _trace_event_controller;
+  static jbyte       _trace_flags[];
+  static jbyte       _event_trace_flags[];
+  static const char* _event_names[];
+  static jint        _max_function_index;
+  static jint        _max_event_index;
+  static short       _exclude_functions[];
+  static const char* _function_names[];
+
+public:
+
+  enum {
+    SHOW_IN =              01,
+    SHOW_OUT =             02,
+    SHOW_ERROR =           04,
+    SHOW_IN_DETAIL =      010,
+    SHOW_OUT_DETAIL =     020,
+    SHOW_EVENT_TRIGGER =  040,
+    SHOW_EVENT_SENT =    0100
+  };
+
+  static bool tracing()                     { return _on; }
+  static bool trace_event_controller()      { return _trace_event_controller; }
+  static jbyte trace_flags(int num)         { return _trace_flags[num]; }
+  static jbyte event_trace_flags(int num)   { return _event_trace_flags[num]; }
+  static const char* function_name(int num) { return _function_names[num]; } // To Do: add range checking
+
+  static const char* event_name(int num) {
+    static char* ext_event_name = (char*)"(extension event)";
+    if (num >= JVMTI_MIN_EVENT_TYPE_VAL && num <= JVMTI_MAX_EVENT_TYPE_VAL) {
+      return _event_names[num];
+    } else {
+      return ext_event_name;
+    }
+  }
+
+  static const char* enum_name(const char** names, const jint* values, jint value);
+
+  static void initialize();
+  static void shutdown();
+
+  // return a valid string no matter what state the thread is in
+  static const char *safe_get_thread_name(Thread *thread);
+
+  // return the name of the current thread
+  static const char *safe_get_current_thread_name();
+
+  // return a valid string no matter what the state of k_mirror
+  static const char *get_class_name(oop k_mirror);
+};
+
+#endif /*JVMTI_TRACE */
+
+#endif // SHARE_VM_PRIMS_JVMTITRACE_HPP