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