/*

 * Copyright (c) 1999, 2010, 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