1 /*

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

     3  * Copyright (c) 2018 SAP SE. All rights reserved.

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

     5  *

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

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

     8  * published by the Free Software Foundation.

     9  *

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

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

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

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

    14  * accompanied this code).

    15  *

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

    17  * 2 along with this work; if not, write to the Free Software Foundation,

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

    19  *

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

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

    22  * questions.

    23  *

    24  */

    25 

    26 #ifndef HOTSPOT_SHARE_CLASSFILE_CLASSLOADERHIERARCHYDCMD_HPP_

    27 #define HOTSPOT_SHARE_CLASSFILE_CLASSLOADERHIERARCHYDCMD_HPP_

    28 

    29 #include "services/diagnosticCommand.hpp"

    30 

    31 class ClassLoaderHierarchyDCmd: public DCmdWithParser {

    32   DCmdArgument<bool> _show_classes;

    33   DCmdArgument<bool> _verbose;

    34 public:

    35 

    36   ClassLoaderHierarchyDCmd(outputStream* output, bool heap);

    37 

    38   static const char* name() {

    39     return "VM.classloaders";

    40   }

    41 

    42   static const char* description() {

    43     return "Prints classloader hierarchy.";

    44   }

    45   static const char* impact() {

    46       return "Medium: Depends on number of class loaders and classes loaded.";

    47   }

    48   static const JavaPermission permission() {

    49     JavaPermission p = {"java.lang.management.ManagementPermission",

    50                         "monitor", NULL};

    51     return p;

    52   }

    53   static int num_arguments();

    54   virtual void execute(DCmdSource source, TRAPS);

    55 

    56 };

    57 

    58 #endif /* HOTSPOT_SHARE_CLASSFILE_CLASSLOADERHIERARCHYDCMD_HPP_ */