src/hotspot/share/classfile/classLoaderHierarchyDCmd.hpp
author lfoltan
Mon, 21 Oct 2019 13:13:16 -0400
changeset 58722 cba8afa5cfed
parent 53244 9807daeb47c4
permissions -rw-r--r--
8231844: Enhance type signature characters in classfile_constants.h and improve the JVM to use type signature characters more consistently Summary: Increase the use of type signature constants instead of hard coded characters within the JVM. Reviewed-by: coleenp, dholmes, fparain Contributed-by: lois.foltan@oracle.com, john.r.rose@oracle.com

/*
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 * 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).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef SHARE_CLASSFILE_CLASSLOADERHIERARCHYDCMD_HPP
#define SHARE_CLASSFILE_CLASSLOADERHIERARCHYDCMD_HPP

#include "services/diagnosticCommand.hpp"

class ClassLoaderHierarchyDCmd: public DCmdWithParser {
  DCmdArgument<bool> _show_classes;
  DCmdArgument<bool> _verbose;
  DCmdArgument<bool> _fold;
public:

  ClassLoaderHierarchyDCmd(outputStream* output, bool heap);

  static const char* name() {
    return "VM.classloaders";
  }

  static const char* description() {
    return "Prints classloader hierarchy.";
  }
  static const char* impact() {
      return "Medium: Depends on number of class loaders and classes loaded.";
  }
  static const JavaPermission permission() {
    JavaPermission p = {"java.lang.management.ManagementPermission",
                        "monitor", NULL};
    return p;
  }
  static int num_arguments();
  virtual void execute(DCmdSource source, TRAPS);

};

#endif // SHARE_CLASSFILE_CLASSLOADERHIERARCHYDCMD_HPP