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