1 /*
   2  * Copyright (c) 2011, 2015, 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 #include "precompiled.hpp"
  26 #include "classfile/classLoaderStats.hpp"
  27 #include "classfile/compactHashtable.hpp"
  28 #include "gc_implementation/shared/vmGCOperations.hpp"
  29 #include "runtime/javaCalls.hpp"
  30 #include "runtime/os.hpp"
  31 #include "services/diagnosticArgument.hpp"
  32 #include "services/diagnosticCommand.hpp"
  33 #include "services/diagnosticFramework.hpp"
  34 #include "services/heapDumper.hpp"
  35 #include "services/management.hpp"
  36 #include "utilities/macros.hpp"
  37 
  38 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
  39 
  40 void DCmdRegistrant::register_dcmds(){
  41   // Registration of the diagnostic commands
  42   // First argument specifies which interfaces will export the command
  43   // Second argument specifies if the command is enabled
  44   // Third  argument specifies if the command is hidden
  45   uint32_t full_export = DCmd_Source_Internal | DCmd_Source_AttachAPI
  46                          | DCmd_Source_MBean;
  47   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HelpDCmd>(full_export, true, false));
  48   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VersionDCmd>(full_export, true, false));
  49   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CommandLineDCmd>(full_export, true, false));
  50   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintSystemPropertiesDCmd>(full_export, true, false));
  51   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<PrintVMFlagsDCmd>(full_export, true, false));
  52   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMDynamicLibrariesDCmd>(full_export, true, false));
  53   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<VMUptimeDCmd>(full_export, true, false));
  54   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SystemGCDCmd>(full_export, true, false));
  55   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RunFinalizationDCmd>(full_export, true, false));
  56 #if INCLUDE_SERVICES // Heap dumping/inspection supported
  57   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<HeapDumpDCmd>(DCmd_Source_Internal | DCmd_Source_AttachAPI, true, false));
  58   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHistogramDCmd>(full_export, true, false));
  59   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassStatsDCmd>(full_export, true, false));
  60   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassHierarchyDCmd>(full_export, true, false));
  61   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<SymboltableDCmd>(full_export, true, false));
  62   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<StringtableDCmd>(full_export, true, false));
  63 #endif // INCLUDE_SERVICES
  64   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ThreadDumpDCmd>(full_export, true, false));
  65   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<RotateGCLogDCmd>(full_export, true, false));
  66   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<ClassLoaderStatsDCmd>(full_export, true, false));
  67   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CompileQueueDCmd>(full_export, true, false));
  68   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeListDCmd>(full_export, true, false));
  69   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<CodeCacheDCmd>(full_export, true, false));
  70 
  71   // Enhanced JMX Agent Support
  72   // These commands won't be exported via the DiagnosticCommandMBean until an
  73   // appropriate permission is created for them
  74   uint32_t jmx_agent_export_flags = DCmd_Source_Internal | DCmd_Source_AttachAPI;
  75   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartRemoteDCmd>(jmx_agent_export_flags, true,false));
  76   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStartLocalDCmd>(jmx_agent_export_flags, true,false));
  77   DCmdFactory::register_DCmdFactory(new DCmdFactoryImpl<JMXStopRemoteDCmd>(jmx_agent_export_flags, true,false));
  78 
  79 }
  80 
  81 #ifndef HAVE_EXTRA_DCMD
  82 void DCmdRegistrant::register_dcmds_ext(){
  83    // Do nothing here
  84 }
  85 #endif
  86 
  87 
  88 HelpDCmd::HelpDCmd(outputStream* output, bool heap) : DCmdWithParser(output, heap),
  89   _all("-all", "Show help for all commands", "BOOLEAN", false, "false"),
  90   _cmd("command name", "The name of the command for which we want help",
  91         "STRING", false) {
  92   _dcmdparser.add_dcmd_option(&_all);
  93   _dcmdparser.add_dcmd_argument(&_cmd);
  94 };
  95 
  96 void HelpDCmd::execute(DCmdSource source, TRAPS) {
  97   if (_all.value()) {
  98     GrowableArray<const char*>* cmd_list = DCmdFactory::DCmd_list(source);
  99     for (int i = 0; i < cmd_list->length(); i++) {
 100       DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
 101                                                   strlen(cmd_list->at(i)));
 102       output()->print_cr("%s%s", factory->name(),
 103                          factory->is_enabled() ? "" : " [disabled]");
 104       output()->print_cr("\t%s", factory->description());
 105       output()->cr();
 106       factory = factory->next();
 107     }
 108   } else if (_cmd.has_value()) {
 109     DCmd* cmd = NULL;
 110     DCmdFactory* factory = DCmdFactory::factory(source, _cmd.value(),
 111                                                 strlen(_cmd.value()));
 112     if (factory != NULL) {
 113       output()->print_cr("%s%s", factory->name(),
 114                          factory->is_enabled() ? "" : " [disabled]");
 115       output()->print_cr("%s", factory->description());
 116       output()->print_cr("\nImpact: %s", factory->impact());
 117       JavaPermission p = factory->permission();
 118       if(p._class != NULL) {
 119         if(p._action != NULL) {
 120           output()->print_cr("\nPermission: %s(%s, %s)",
 121                   p._class, p._name == NULL ? "null" : p._name, p._action);
 122         } else {
 123           output()->print_cr("\nPermission: %s(%s)",
 124                   p._class, p._name == NULL ? "null" : p._name);
 125         }
 126       }
 127       output()->cr();
 128       cmd = factory->create_resource_instance(output());
 129       if (cmd != NULL) {
 130         DCmdMark mark(cmd);
 131         cmd->print_help(factory->name());
 132       }
 133     } else {
 134       output()->print_cr("Help unavailable : '%s' : No such command", _cmd.value());
 135     }
 136   } else {
 137     output()->print_cr("The following commands are available:");
 138     GrowableArray<const char *>* cmd_list = DCmdFactory::DCmd_list(source);
 139     for (int i = 0; i < cmd_list->length(); i++) {
 140       DCmdFactory* factory = DCmdFactory::factory(source, cmd_list->at(i),
 141                                                   strlen(cmd_list->at(i)));
 142       output()->print_cr("%s%s", factory->name(),
 143                          factory->is_enabled() ? "" : " [disabled]");
 144       factory = factory->_next;
 145     }
 146     output()->print_cr("\nFor more information about a specific command use 'help <command>'.");
 147   }
 148 }
 149 
 150 int HelpDCmd::num_arguments() {
 151   ResourceMark rm;
 152   HelpDCmd* dcmd = new HelpDCmd(NULL, false);
 153   if (dcmd != NULL) {
 154     DCmdMark mark(dcmd);
 155     return dcmd->_dcmdparser.num_arguments();
 156   } else {
 157     return 0;
 158   }
 159 }
 160 
 161 void VersionDCmd::execute(DCmdSource source, TRAPS) {
 162   output()->print_cr("%s version %s", Abstract_VM_Version::vm_name(),
 163           Abstract_VM_Version::vm_release());
 164   JDK_Version jdk_version = JDK_Version::current();
 165   if (jdk_version.update_version() > 0) {
 166     output()->print_cr("JDK %d.%d_%02d", jdk_version.major_version(),
 167             jdk_version.minor_version(), jdk_version.update_version());
 168   } else {
 169     output()->print_cr("JDK %d.%d", jdk_version.major_version(),
 170             jdk_version.minor_version());
 171   }
 172 }
 173 
 174 PrintVMFlagsDCmd::PrintVMFlagsDCmd(outputStream* output, bool heap) :
 175                                    DCmdWithParser(output, heap),
 176   _all("-all", "Print all flags supported by the VM", "BOOLEAN", false, "false") {
 177   _dcmdparser.add_dcmd_option(&_all);
 178 }
 179 
 180 void PrintVMFlagsDCmd::execute(DCmdSource source, TRAPS) {
 181   if (_all.value()) {
 182     CommandLineFlags::printFlags(output(), true);
 183   } else {
 184     CommandLineFlags::printSetFlags(output());
 185   }
 186 }
 187 
 188 int PrintVMFlagsDCmd::num_arguments() {
 189     ResourceMark rm;
 190     PrintVMFlagsDCmd* dcmd = new PrintVMFlagsDCmd(NULL, false);
 191     if (dcmd != NULL) {
 192       DCmdMark mark(dcmd);
 193       return dcmd->_dcmdparser.num_arguments();
 194     } else {
 195       return 0;
 196     }
 197 }
 198 
 199 void PrintSystemPropertiesDCmd::execute(DCmdSource source, TRAPS) {
 200   // load sun.misc.VMSupport
 201   Symbol* klass = vmSymbols::sun_misc_VMSupport();
 202   Klass* k = SystemDictionary::resolve_or_fail(klass, true, CHECK);
 203   instanceKlassHandle ik (THREAD, k);
 204   if (ik->should_be_initialized()) {
 205     ik->initialize(THREAD);
 206   }
 207   if (HAS_PENDING_EXCEPTION) {
 208     java_lang_Throwable::print(PENDING_EXCEPTION, output());
 209     output()->cr();
 210     CLEAR_PENDING_EXCEPTION;
 211     return;
 212   }
 213 
 214   // invoke the serializePropertiesToByteArray method
 215   JavaValue result(T_OBJECT);
 216   JavaCallArguments args;
 217 
 218   Symbol* signature = vmSymbols::serializePropertiesToByteArray_signature();
 219   JavaCalls::call_static(&result,
 220                          ik,
 221                          vmSymbols::serializePropertiesToByteArray_name(),
 222                          signature,
 223                          &args,
 224                          THREAD);
 225   if (HAS_PENDING_EXCEPTION) {
 226     java_lang_Throwable::print(PENDING_EXCEPTION, output());
 227     output()->cr();
 228     CLEAR_PENDING_EXCEPTION;
 229     return;
 230   }
 231 
 232   // The result should be a [B
 233   oop res = (oop)result.get_jobject();
 234   assert(res->is_typeArray(), "just checking");
 235   assert(TypeArrayKlass::cast(res->klass())->element_type() == T_BYTE, "just checking");
 236 
 237   // copy the bytes to the output stream
 238   typeArrayOop ba = typeArrayOop(res);
 239   jbyte* addr = typeArrayOop(res)->byte_at_addr(0);
 240   output()->print_raw((const char*)addr, ba->length());
 241 }
 242 
 243 VMUptimeDCmd::VMUptimeDCmd(outputStream* output, bool heap) :
 244                            DCmdWithParser(output, heap),
 245   _date("-date", "Add a prefix with current date", "BOOLEAN", false, "false") {
 246   _dcmdparser.add_dcmd_option(&_date);
 247 }
 248 
 249 void VMUptimeDCmd::execute(DCmdSource source, TRAPS) {
 250   if (_date.value()) {
 251     output()->date_stamp(true, "", ": ");
 252   }
 253   output()->time_stamp().update_to(tty->time_stamp().ticks());
 254   output()->stamp();
 255   output()->print_cr(" s");
 256 }
 257 
 258 int VMUptimeDCmd::num_arguments() {
 259   ResourceMark rm;
 260   VMUptimeDCmd* dcmd = new VMUptimeDCmd(NULL, false);
 261   if (dcmd != NULL) {
 262     DCmdMark mark(dcmd);
 263     return dcmd->_dcmdparser.num_arguments();
 264   } else {
 265     return 0;
 266   }
 267 }
 268 
 269 void SystemGCDCmd::execute(DCmdSource source, TRAPS) {
 270   if (!DisableExplicitGC) {
 271     Universe::heap()->collect(GCCause::_java_lang_system_gc);
 272   } else {
 273     output()->print_cr("Explicit GC is disabled, no GC has been performed.");
 274   }
 275 }
 276 
 277 void RunFinalizationDCmd::execute(DCmdSource source, TRAPS) {
 278   Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_System(),
 279                                                  true, CHECK);
 280   instanceKlassHandle klass(THREAD, k);
 281   JavaValue result(T_VOID);
 282   JavaCalls::call_static(&result, klass,
 283                          vmSymbols::run_finalization_name(),
 284                          vmSymbols::void_method_signature(), CHECK);
 285 }
 286 
 287 #if INCLUDE_SERVICES // Heap dumping/inspection supported
 288 HeapDumpDCmd::HeapDumpDCmd(outputStream* output, bool heap) :
 289                            DCmdWithParser(output, heap),
 290   _filename("filename","Name of the dump file", "STRING",true),
 291   _all("-all", "Dump all objects, including unreachable objects",
 292        "BOOLEAN", false, "false") {
 293   _dcmdparser.add_dcmd_option(&_all);
 294   _dcmdparser.add_dcmd_argument(&_filename);
 295 }
 296 
 297 void HeapDumpDCmd::execute(DCmdSource source, TRAPS) {
 298   // Request a full GC before heap dump if _all is false
 299   // This helps reduces the amount of unreachable objects in the dump
 300   // and makes it easier to browse.
 301   HeapDumper dumper(!_all.value() /* request GC if _all is false*/);
 302   int res = dumper.dump(_filename.value());
 303   if (res == 0) {
 304     output()->print_cr("Heap dump file created");
 305   } else {
 306     // heap dump failed
 307     ResourceMark rm;
 308     char* error = dumper.error_as_C_string();
 309     if (error == NULL) {
 310       output()->print_cr("Dump failed - reason unknown");
 311     } else {
 312       output()->print_cr("%s", error);
 313     }
 314   }
 315 }
 316 
 317 int HeapDumpDCmd::num_arguments() {
 318   ResourceMark rm;
 319   HeapDumpDCmd* dcmd = new HeapDumpDCmd(NULL, false);
 320   if (dcmd != NULL) {
 321     DCmdMark mark(dcmd);
 322     return dcmd->_dcmdparser.num_arguments();
 323   } else {
 324     return 0;
 325   }
 326 }
 327 
 328 ClassHistogramDCmd::ClassHistogramDCmd(outputStream* output, bool heap) :
 329                                        DCmdWithParser(output, heap),
 330   _all("-all", "Inspect all objects, including unreachable objects",
 331        "BOOLEAN", false, "false") {
 332   _dcmdparser.add_dcmd_option(&_all);
 333 }
 334 
 335 void ClassHistogramDCmd::execute(DCmdSource source, TRAPS) {
 336   VM_GC_HeapInspection heapop(output(),
 337                               !_all.value() /* request full gc if false */);
 338   VMThread::execute(&heapop);
 339 }
 340 
 341 int ClassHistogramDCmd::num_arguments() {
 342   ResourceMark rm;
 343   ClassHistogramDCmd* dcmd = new ClassHistogramDCmd(NULL, false);
 344   if (dcmd != NULL) {
 345     DCmdMark mark(dcmd);
 346     return dcmd->_dcmdparser.num_arguments();
 347   } else {
 348     return 0;
 349   }
 350 }
 351 
 352 #define DEFAULT_COLUMNS "InstBytes,KlassBytes,CpAll,annotations,MethodCount,Bytecodes,MethodAll,ROAll,RWAll,Total"
 353 ClassStatsDCmd::ClassStatsDCmd(outputStream* output, bool heap) :
 354                                        DCmdWithParser(output, heap),
 355   _csv("-csv", "Print in CSV (comma-separated values) format for spreadsheets",
 356        "BOOLEAN", false, "false"),
 357   _all("-all", "Show all columns",
 358        "BOOLEAN", false, "false"),
 359   _help("-help", "Show meaning of all the columns",
 360        "BOOLEAN", false, "false"),
 361   _columns("columns", "Comma-separated list of all the columns to show. "
 362            "If not specified, the following columns are shown: " DEFAULT_COLUMNS,
 363            "STRING", false) {
 364   _dcmdparser.add_dcmd_option(&_all);
 365   _dcmdparser.add_dcmd_option(&_csv);
 366   _dcmdparser.add_dcmd_option(&_help);
 367   _dcmdparser.add_dcmd_argument(&_columns);
 368 }
 369 
 370 void ClassStatsDCmd::execute(DCmdSource source, TRAPS) {
 371   if (!UnlockDiagnosticVMOptions) {
 372     output()->print_cr("GC.class_stats command requires -XX:+UnlockDiagnosticVMOptions");
 373     return;
 374   }
 375 
 376   VM_GC_HeapInspection heapop(output(),
 377                               true /* request_full_gc */);
 378   heapop.set_csv_format(_csv.value());
 379   heapop.set_print_help(_help.value());
 380   heapop.set_print_class_stats(true);
 381   if (_all.value()) {
 382     if (_columns.has_value()) {
 383       output()->print_cr("Cannot specify -all and individual columns at the same time");
 384       return;
 385     } else {
 386       heapop.set_columns(NULL);
 387     }
 388   } else {
 389     if (_columns.has_value()) {
 390       heapop.set_columns(_columns.value());
 391     } else {
 392       heapop.set_columns(DEFAULT_COLUMNS);
 393     }
 394   }
 395   VMThread::execute(&heapop);
 396 }
 397 
 398 int ClassStatsDCmd::num_arguments() {
 399   ResourceMark rm;
 400   ClassStatsDCmd* dcmd = new ClassStatsDCmd(NULL, false);
 401   if (dcmd != NULL) {
 402     DCmdMark mark(dcmd);
 403     return dcmd->_dcmdparser.num_arguments();
 404   } else {
 405     return 0;
 406   }
 407 }
 408 #endif // INCLUDE_SERVICES
 409 
 410 ThreadDumpDCmd::ThreadDumpDCmd(outputStream* output, bool heap) :
 411                                DCmdWithParser(output, heap),
 412   _locks("-l", "print java.util.concurrent locks", "BOOLEAN", false, "false") {
 413   _dcmdparser.add_dcmd_option(&_locks);
 414 }
 415 
 416 void ThreadDumpDCmd::execute(DCmdSource source, TRAPS) {
 417   // thread stacks
 418   VM_PrintThreads op1(output(), _locks.value());
 419   VMThread::execute(&op1);
 420 
 421   // JNI global handles
 422   VM_PrintJNI op2(output());
 423   VMThread::execute(&op2);
 424 
 425   // Deadlock detection
 426   VM_FindDeadlocks op3(output());
 427   VMThread::execute(&op3);
 428 }
 429 
 430 int ThreadDumpDCmd::num_arguments() {
 431   ResourceMark rm;
 432   ThreadDumpDCmd* dcmd = new ThreadDumpDCmd(NULL, false);
 433   if (dcmd != NULL) {
 434     DCmdMark mark(dcmd);
 435     return dcmd->_dcmdparser.num_arguments();
 436   } else {
 437     return 0;
 438   }
 439 }
 440 
 441 // Enhanced JMX Agent support
 442 
 443 JMXStartRemoteDCmd::JMXStartRemoteDCmd(outputStream *output, bool heap_allocated) :
 444 
 445   DCmdWithParser(output, heap_allocated),
 446 
 447   _config_file
 448   ("config.file",
 449    "set com.sun.management.config.file", "STRING", false),
 450 
 451   _jmxremote_port
 452   ("jmxremote.port",
 453    "set com.sun.management.jmxremote.port", "STRING", false),
 454 
 455   _jmxremote_rmi_port
 456   ("jmxremote.rmi.port",
 457    "set com.sun.management.jmxremote.rmi.port", "STRING", false),
 458 
 459   _jmxremote_ssl
 460   ("jmxremote.ssl",
 461    "set com.sun.management.jmxremote.ssl", "STRING", false),
 462 
 463   _jmxremote_registry_ssl
 464   ("jmxremote.registry.ssl",
 465    "set com.sun.management.jmxremote.registry.ssl", "STRING", false),
 466 
 467   _jmxremote_authenticate
 468   ("jmxremote.authenticate",
 469    "set com.sun.management.jmxremote.authenticate", "STRING", false),
 470 
 471   _jmxremote_password_file
 472   ("jmxremote.password.file",
 473    "set com.sun.management.jmxremote.password.file", "STRING", false),
 474 
 475   _jmxremote_access_file
 476   ("jmxremote.access.file",
 477    "set com.sun.management.jmxremote.access.file", "STRING", false),
 478 
 479   _jmxremote_login_config
 480   ("jmxremote.login.config",
 481    "set com.sun.management.jmxremote.login.config", "STRING", false),
 482 
 483   _jmxremote_ssl_enabled_cipher_suites
 484   ("jmxremote.ssl.enabled.cipher.suites",
 485    "set com.sun.management.jmxremote.ssl.enabled.cipher.suite", "STRING", false),
 486 
 487   _jmxremote_ssl_enabled_protocols
 488   ("jmxremote.ssl.enabled.protocols",
 489    "set com.sun.management.jmxremote.ssl.enabled.protocols", "STRING", false),
 490 
 491   _jmxremote_ssl_need_client_auth
 492   ("jmxremote.ssl.need.client.auth",
 493    "set com.sun.management.jmxremote.need.client.auth", "STRING", false),
 494 
 495   _jmxremote_ssl_config_file
 496   ("jmxremote.ssl.config.file",
 497    "set com.sun.management.jmxremote.ssl_config_file", "STRING", false),
 498 
 499 // JDP Protocol support
 500   _jmxremote_autodiscovery
 501   ("jmxremote.autodiscovery",
 502    "set com.sun.management.jmxremote.autodiscovery", "STRING", false),
 503 
 504    _jdp_port
 505   ("jdp.port",
 506    "set com.sun.management.jdp.port", "INT", false),
 507 
 508    _jdp_address
 509   ("jdp.address",
 510    "set com.sun.management.jdp.address", "STRING", false),
 511 
 512    _jdp_source_addr
 513   ("jdp.source_addr",
 514    "set com.sun.management.jdp.source_addr", "STRING", false),
 515 
 516    _jdp_ttl
 517   ("jdp.ttl",
 518    "set com.sun.management.jdp.ttl", "INT", false),
 519 
 520    _jdp_pause
 521   ("jdp.pause",
 522    "set com.sun.management.jdp.pause", "INT", false),
 523 
 524    _jdp_name
 525   ("jdp.name",
 526    "set com.sun.management.jdp.name", "STRING", false)
 527 
 528   {
 529     _dcmdparser.add_dcmd_option(&_config_file);
 530     _dcmdparser.add_dcmd_option(&_jmxremote_port);
 531     _dcmdparser.add_dcmd_option(&_jmxremote_rmi_port);
 532     _dcmdparser.add_dcmd_option(&_jmxremote_ssl);
 533     _dcmdparser.add_dcmd_option(&_jmxremote_registry_ssl);
 534     _dcmdparser.add_dcmd_option(&_jmxremote_authenticate);
 535     _dcmdparser.add_dcmd_option(&_jmxremote_password_file);
 536     _dcmdparser.add_dcmd_option(&_jmxremote_access_file);
 537     _dcmdparser.add_dcmd_option(&_jmxremote_login_config);
 538     _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_cipher_suites);
 539     _dcmdparser.add_dcmd_option(&_jmxremote_ssl_enabled_protocols);
 540     _dcmdparser.add_dcmd_option(&_jmxremote_ssl_need_client_auth);
 541     _dcmdparser.add_dcmd_option(&_jmxremote_ssl_config_file);
 542     _dcmdparser.add_dcmd_option(&_jmxremote_autodiscovery);
 543     _dcmdparser.add_dcmd_option(&_jdp_port);
 544     _dcmdparser.add_dcmd_option(&_jdp_address);
 545     _dcmdparser.add_dcmd_option(&_jdp_source_addr);
 546     _dcmdparser.add_dcmd_option(&_jdp_ttl);
 547     _dcmdparser.add_dcmd_option(&_jdp_pause);
 548     _dcmdparser.add_dcmd_option(&_jdp_name);
 549 }
 550 
 551 
 552 int JMXStartRemoteDCmd::num_arguments() {
 553   ResourceMark rm;
 554   JMXStartRemoteDCmd* dcmd = new JMXStartRemoteDCmd(NULL, false);
 555   if (dcmd != NULL) {
 556     DCmdMark mark(dcmd);
 557     return dcmd->_dcmdparser.num_arguments();
 558   } else {
 559     return 0;
 560   }
 561 }
 562 
 563 
 564 void JMXStartRemoteDCmd::execute(DCmdSource source, TRAPS) {
 565     ResourceMark rm(THREAD);
 566     HandleMark hm(THREAD);
 567 
 568     // Load and initialize the sun.management.Agent class
 569     // invoke startRemoteManagementAgent(string) method to start
 570     // the remote management server.
 571     // throw java.lang.NoSuchMethodError if the method doesn't exist
 572 
 573     Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
 574     Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
 575     instanceKlassHandle ik (THREAD, k);
 576 
 577     JavaValue result(T_VOID);
 578 
 579     // Pass all command line arguments to java as key=value,...
 580     // All checks are done on java side
 581 
 582     int len = 0;
 583     stringStream options;
 584     char comma[2] = {0,0};
 585 
 586     // Leave default values on Agent.class side and pass only
 587     // agruments explicitly set by user. All arguments passed
 588     // to jcmd override properties with the same name set by
 589     // command line with -D or by managmenent.properties
 590     // file.
 591 #define PUT_OPTION(a) \
 592     if ( (a).is_set() ){ \
 593         options.print(\
 594                ( *((a).type()) == 'I' ) ? "%scom.sun.management.%s=%d" : "%scom.sun.management.%s=%s",\
 595                 comma, (a).name(), (a).value()); \
 596         comma[0] = ','; \
 597     }
 598 
 599     PUT_OPTION(_config_file);
 600     PUT_OPTION(_jmxremote_port);
 601     PUT_OPTION(_jmxremote_rmi_port);
 602     PUT_OPTION(_jmxremote_ssl);
 603     PUT_OPTION(_jmxremote_registry_ssl);
 604     PUT_OPTION(_jmxremote_authenticate);
 605     PUT_OPTION(_jmxremote_password_file);
 606     PUT_OPTION(_jmxremote_access_file);
 607     PUT_OPTION(_jmxremote_login_config);
 608     PUT_OPTION(_jmxremote_ssl_enabled_cipher_suites);
 609     PUT_OPTION(_jmxremote_ssl_enabled_protocols);
 610     PUT_OPTION(_jmxremote_ssl_need_client_auth);
 611     PUT_OPTION(_jmxremote_ssl_config_file);
 612     PUT_OPTION(_jmxremote_autodiscovery);
 613     PUT_OPTION(_jdp_port);
 614     PUT_OPTION(_jdp_address);
 615     PUT_OPTION(_jdp_source_addr);
 616     PUT_OPTION(_jdp_ttl);
 617     PUT_OPTION(_jdp_pause);
 618     PUT_OPTION(_jdp_name);
 619 
 620 #undef PUT_OPTION
 621 
 622     Handle str = java_lang_String::create_from_str(options.as_string(), CHECK);
 623     JavaCalls::call_static(&result, ik, vmSymbols::startRemoteAgent_name(), vmSymbols::string_void_signature(), str, CHECK);
 624 }
 625 
 626 JMXStartLocalDCmd::JMXStartLocalDCmd(outputStream *output, bool heap_allocated) :
 627   DCmd(output, heap_allocated) {
 628   // do nothing
 629 }
 630 
 631 void JMXStartLocalDCmd::execute(DCmdSource source, TRAPS) {
 632     ResourceMark rm(THREAD);
 633     HandleMark hm(THREAD);
 634 
 635     // Load and initialize the sun.management.Agent class
 636     // invoke startLocalManagementAgent(void) method to start
 637     // the local management server
 638     // throw java.lang.NoSuchMethodError if method doesn't exist
 639 
 640     Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
 641     Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
 642     instanceKlassHandle ik (THREAD, k);
 643 
 644     JavaValue result(T_VOID);
 645     JavaCalls::call_static(&result, ik, vmSymbols::startLocalAgent_name(), vmSymbols::void_method_signature(), CHECK);
 646 }
 647 
 648 void JMXStopRemoteDCmd::execute(DCmdSource source, TRAPS) {
 649     ResourceMark rm(THREAD);
 650     HandleMark hm(THREAD);
 651 
 652     // Load and initialize the sun.management.Agent class
 653     // invoke stopRemoteManagementAgent method to stop the
 654     // management server
 655     // throw java.lang.NoSuchMethodError if method doesn't exist
 656 
 657     Handle loader = Handle(THREAD, SystemDictionary::java_system_loader());
 658     Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::sun_management_Agent(), loader, Handle(), true, CHECK);
 659     instanceKlassHandle ik (THREAD, k);
 660 
 661     JavaValue result(T_VOID);
 662     JavaCalls::call_static(&result, ik, vmSymbols::stopRemoteAgent_name(), vmSymbols::void_method_signature(), CHECK);
 663 }
 664 
 665 VMDynamicLibrariesDCmd::VMDynamicLibrariesDCmd(outputStream *output, bool heap_allocated) :
 666   DCmd(output, heap_allocated) {
 667   // do nothing
 668 }
 669 
 670 void VMDynamicLibrariesDCmd::execute(DCmdSource source, TRAPS) {
 671   os::print_dll_info(output());
 672   output()->cr();
 673 }
 674 
 675 void RotateGCLogDCmd::execute(DCmdSource source, TRAPS) {
 676   if (UseGCLogFileRotation) {
 677     VM_RotateGCLog rotateop(output());
 678     VMThread::execute(&rotateop);
 679   } else {
 680     output()->print_cr("Target VM does not support GC log file rotation.");
 681   }
 682 }
 683 
 684 void CompileQueueDCmd::execute(DCmdSource source, TRAPS) {
 685   VM_PrintCompileQueue printCompileQueueOp(output());
 686   VMThread::execute(&printCompileQueueOp);
 687 }
 688 
 689 void CodeListDCmd::execute(DCmdSource source, TRAPS) {
 690   VM_PrintCodeList printCodeListOp(output());
 691   VMThread::execute(&printCodeListOp);
 692 }
 693 
 694 void CodeCacheDCmd::execute(DCmdSource source, TRAPS) {
 695   VM_PrintCodeCache printCodeCacheOp(output());
 696   VMThread::execute(&printCodeCacheOp);
 697 }
 698 
 699 #if INCLUDE_SERVICES
 700 ClassHierarchyDCmd::ClassHierarchyDCmd(outputStream* output, bool heap) :
 701                                        DCmdWithParser(output, heap),
 702   _print_interfaces("-i", "Inherited interfaces should be printed.", "BOOLEAN", false, "false"),
 703   _print_subclasses("-s", "If a classname is specified, print its subclasses. "
 704                     "Otherwise only its superclasses are printed.", "BOOLEAN", false, "false"),
 705   _classname("classname", "Name of class whose hierarchy should be printed. "
 706              "If not specified, all class hierarchies are printed.",
 707              "STRING", false) {
 708   _dcmdparser.add_dcmd_option(&_print_interfaces);
 709   _dcmdparser.add_dcmd_option(&_print_subclasses);
 710   _dcmdparser.add_dcmd_argument(&_classname);
 711 }
 712 
 713 void ClassHierarchyDCmd::execute(DCmdSource source, TRAPS) {
 714   VM_PrintClassHierachry printClassHierarchyOp(output(), _print_interfaces.value(), 
 715                                                _print_subclasses.value(), _classname.value());
 716   VMThread::execute(&printClassHierarchyOp);
 717 }
 718 
 719 int ClassHierarchyDCmd::num_arguments() {
 720   ResourceMark rm;
 721   ClassHierarchyDCmd* dcmd = new ClassHierarchyDCmd(NULL, false);
 722   if (dcmd != NULL) {
 723     DCmdMark mark(dcmd);
 724     return dcmd->_dcmdparser.num_arguments();
 725   } else {
 726     return 0;
 727   }
 728 }
 729 
 730 #endif