1 /*

     2  * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  *

    23  */

    24 

    25 #ifndef SHARE_VM_LEAKPROFILER_UTILITIES_ROOTTYPE_HPP

    26 #define SHARE_VM_LEAKPROFILER_UTILITIES_ROOTTYPE_HPP

    27 

    28 #include "memory/allocation.hpp"

    29 #include "utilities/debug.hpp"

    30 

    31 class OldObjectRoot : public AllStatic {

    32  public:

    33   enum System {

    34     _system_undetermined,

    35     _universe,

    36     _global_jni_handles,

    37     _threads,

    38     _object_synchronizer,

    39     _system_dictionary,

    40     _class_loader_data,

    41     _management,

    42     _jvmti,

    43     _code_cache,

    44     _string_table,

    45     _aot,

    46     _number_of_systems

    47   };

    48 

    49   enum Type {

    50     _type_undetermined,

    51     _stack_variable,

    52     _local_jni_handle,

    53     _global_jni_handle,

    54     _handle_area,

    55     _number_of_types

    56   };

    57 

    58   static const char* system_description(System system) {

    59     switch (system) {

    60       case _system_undetermined:

    61         return "<unknown>";

    62       case _universe:

    63         return "Universe";

    64       case _global_jni_handles:

    65         return "Global JNI Handles";

    66       case _threads:

    67         return "Threads";

    68       case _object_synchronizer:

    69         return "Object Monitor";

    70       case _system_dictionary:

    71         return "System Dictionary";

    72       case _class_loader_data:

    73         return "Class Loader Data";

    74       case _management:

    75         return "Management";

    76       case _jvmti:

    77         return "JVMTI";

    78       case _code_cache:

    79         return "Code Cache";

    80       case _string_table:

    81         return "String Table";

    82       case _aot:

    83         return "AOT";

    84       default:

    85         ShouldNotReachHere();

    86     }

    87     return NULL;

    88   }

    89 

    90   static const char* type_description(Type type) {

    91     switch (type) {

    92       case _type_undetermined:

    93         return "<unknown>";

    94       case _stack_variable:

    95         return "Stack Variable";

    96       case _local_jni_handle:

    97         return "Local JNI Handle";

    98       case _global_jni_handle:

    99         return "Global JNI Handle";

   100       case _handle_area:

   101         return "Handle Area";

   102       default:

   103         ShouldNotReachHere();

   104     }

   105     return NULL;

   106   }

   107 };

   108 

   109 #endif // SHARE_VM_LEAKPROFILER_UTILITIES_ROOTTYPE_HPP