384 };
385
386 // Flags that are aliases for other flags.
387 typedef struct {
388 const char* alias_name;
389 const char* real_name;
390 } AliasedFlag;
391
392 static AliasedFlag const aliased_jvm_flags[] = {
393 { "DefaultMaxRAMFraction", "MaxRAMFraction" },
394 { "CMSMarkStackSizeMax", "MarkStackSizeMax" },
395 { "CMSMarkStackSize", "MarkStackSize" },
396 { "G1MarkStackSize", "MarkStackSize" },
397 { "ParallelMarkingThreads", "ConcGCThreads" },
398 { "ParallelCMSThreads", "ConcGCThreads" },
399 { "CreateMinidumpOnCrash", "CreateCoredumpOnCrash" },
400 { NULL, NULL}
401 };
402
403 static AliasedLoggingFlag const aliased_logging_flags[] = {
404 { "TraceClassResolution", LogLevel::Info, true, LogTag::_classresolve },
405 { "TraceExceptions", LogLevel::Info, true, LogTag::_exceptions },
406 { "TraceMonitorInflation", LogLevel::Debug, true, LogTag::_monitorinflation },
407 { NULL, LogLevel::Off, false, LogTag::__NO_TAG }
408 };
409
410 // Return true if "v" is less than "other", where "other" may be "undefined".
411 static bool version_less_than(JDK_Version v, JDK_Version other) {
412 assert(!v.is_undefined(), "must be defined");
413 if (!other.is_undefined() && v.compare(other) >= 0) {
414 return false;
415 } else {
416 return true;
417 }
418 }
419
420 static bool lookup_special_flag(const char *flag_name, SpecialFlag& flag) {
421 for (size_t i = 0; special_jvm_flags[i].name != NULL; i++) {
422 if ((strcmp(special_jvm_flags[i].name, flag_name) == 0)) {
423 flag = special_jvm_flags[i];
2635 for (int index = 0; index < args->nOptions; index++) {
2636 bool is_absolute_path = false; // for -agentpath vs -agentlib
2637
2638 const JavaVMOption* option = args->options + index;
2639
2640 if (!match_option(option, "-Djava.class.path", &tail) &&
2641 !match_option(option, "-Dsun.java.command", &tail) &&
2642 !match_option(option, "-Dsun.java.launcher", &tail)) {
2643
2644 // add all jvm options to the jvm_args string. This string
2645 // is used later to set the java.vm.args PerfData string constant.
2646 // the -Djava.class.path and the -Dsun.java.command options are
2647 // omitted from jvm_args string as each have their own PerfData
2648 // string constant object.
2649 build_jvm_args(option->optionString);
2650 }
2651
2652 // -verbose:[class/gc/jni]
2653 if (match_option(option, "-verbose", &tail)) {
2654 if (!strcmp(tail, ":class") || !strcmp(tail, "")) {
2655 if (FLAG_SET_CMDLINE(bool, TraceClassLoading, true) != Flag::SUCCESS) {
2656 return JNI_EINVAL;
2657 }
2658 if (FLAG_SET_CMDLINE(bool, TraceClassUnloading, true) != Flag::SUCCESS) {
2659 return JNI_EINVAL;
2660 }
2661 } else if (!strcmp(tail, ":gc")) {
2662 LogConfiguration::configure_stdout(LogLevel::Info, true, LOG_TAGS(gc));
2663 } else if (!strcmp(tail, ":jni")) {
2664 if (FLAG_SET_CMDLINE(bool, PrintJNIResolving, true) != Flag::SUCCESS) {
2665 return JNI_EINVAL;
2666 }
2667 }
2668 // -da / -ea / -disableassertions / -enableassertions
2669 // These accept an optional class/package name separated by a colon, e.g.,
2670 // -da:java.lang.Thread.
2671 } else if (match_option(option, user_assertion_options, &tail, true)) {
2672 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e'
2673 if (*tail == '\0') {
2674 JavaAssertions::setUserClassDefault(enable);
2675 } else {
2676 assert(*tail == ':', "bogus match by match_option()");
2677 JavaAssertions::addOption(tail + 1, enable);
2678 }
2679 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions
2680 } else if (match_option(option, system_assertion_options, &tail, false)) {
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384 };
385
386 // Flags that are aliases for other flags.
387 typedef struct {
388 const char* alias_name;
389 const char* real_name;
390 } AliasedFlag;
391
392 static AliasedFlag const aliased_jvm_flags[] = {
393 { "DefaultMaxRAMFraction", "MaxRAMFraction" },
394 { "CMSMarkStackSizeMax", "MarkStackSizeMax" },
395 { "CMSMarkStackSize", "MarkStackSize" },
396 { "G1MarkStackSize", "MarkStackSize" },
397 { "ParallelMarkingThreads", "ConcGCThreads" },
398 { "ParallelCMSThreads", "ConcGCThreads" },
399 { "CreateMinidumpOnCrash", "CreateCoredumpOnCrash" },
400 { NULL, NULL}
401 };
402
403 static AliasedLoggingFlag const aliased_logging_flags[] = {
404 { "TraceClassLoading", LogLevel::Info, true, LogTag::_classload },
405 { "TraceClassUnloading", LogLevel::Info, true, LogTag::_classunload },
406 { "TraceClassResolution", LogLevel::Info, true, LogTag::_classresolve },
407 { "TraceExceptions", LogLevel::Info, true, LogTag::_exceptions },
408 { "TraceMonitorInflation", LogLevel::Debug, true, LogTag::_monitorinflation },
409 { NULL, LogLevel::Off, false, LogTag::__NO_TAG }
410 };
411
412 // Return true if "v" is less than "other", where "other" may be "undefined".
413 static bool version_less_than(JDK_Version v, JDK_Version other) {
414 assert(!v.is_undefined(), "must be defined");
415 if (!other.is_undefined() && v.compare(other) >= 0) {
416 return false;
417 } else {
418 return true;
419 }
420 }
421
422 static bool lookup_special_flag(const char *flag_name, SpecialFlag& flag) {
423 for (size_t i = 0; special_jvm_flags[i].name != NULL; i++) {
424 if ((strcmp(special_jvm_flags[i].name, flag_name) == 0)) {
425 flag = special_jvm_flags[i];
2637 for (int index = 0; index < args->nOptions; index++) {
2638 bool is_absolute_path = false; // for -agentpath vs -agentlib
2639
2640 const JavaVMOption* option = args->options + index;
2641
2642 if (!match_option(option, "-Djava.class.path", &tail) &&
2643 !match_option(option, "-Dsun.java.command", &tail) &&
2644 !match_option(option, "-Dsun.java.launcher", &tail)) {
2645
2646 // add all jvm options to the jvm_args string. This string
2647 // is used later to set the java.vm.args PerfData string constant.
2648 // the -Djava.class.path and the -Dsun.java.command options are
2649 // omitted from jvm_args string as each have their own PerfData
2650 // string constant object.
2651 build_jvm_args(option->optionString);
2652 }
2653
2654 // -verbose:[class/gc/jni]
2655 if (match_option(option, "-verbose", &tail)) {
2656 if (!strcmp(tail, ":class") || !strcmp(tail, "")) {
2657 LogConfiguration::configure_stdout(LogLevel::Info, true, LOG_TAGS(classload));
2658 LogConfiguration::configure_stdout(LogLevel::Info, true, LOG_TAGS(classunload));
2659 } else if (!strcmp(tail, ":gc")) {
2660 LogConfiguration::configure_stdout(LogLevel::Info, true, LOG_TAGS(gc));
2661 } else if (!strcmp(tail, ":jni")) {
2662 if (FLAG_SET_CMDLINE(bool, PrintJNIResolving, true) != Flag::SUCCESS) {
2663 return JNI_EINVAL;
2664 }
2665 }
2666 // -da / -ea / -disableassertions / -enableassertions
2667 // These accept an optional class/package name separated by a colon, e.g.,
2668 // -da:java.lang.Thread.
2669 } else if (match_option(option, user_assertion_options, &tail, true)) {
2670 bool enable = option->optionString[1] == 'e'; // char after '-' is 'e'
2671 if (*tail == '\0') {
2672 JavaAssertions::setUserClassDefault(enable);
2673 } else {
2674 assert(*tail == ':', "bogus match by match_option()");
2675 JavaAssertions::addOption(tail + 1, enable);
2676 }
2677 // -dsa / -esa / -disablesystemassertions / -enablesystemassertions
2678 } else if (match_option(option, system_assertion_options, &tail, false)) {
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