vm/runtime/arguments.cpp

297  *  -XX argument processing:
299  *  -XX arguments are defined in several places, such as:
301  *  -XX arguments are parsed in parse_argument().
302  *  -XX argument bounds checking is done in check_vm_args_consistency().
304  * Over time -XX arguments may change. There are mechanisms to handle common cases:
341  * To remove options commonly used by customers (e.g. product, commercial -XX options), use
866   log_warning(arguments)("-XX:%s%s is deprecated. Will use -Xlog:%s=%s instead.",
952     // -XX:Foo:=xxx will reset the string flag to the given value.
1182   // allow for commandline "commenting out" options like -XX:#+Verbose
1558         "The ParNew GC can not be combined with -XX:ParallelGCThreads=0\n");
1961         "The Parallel GC can not be combined with -XX:ParallelGCThreads=0\n");
2007     vm_exit_during_initialization("The flag -XX:+UseG1GC can not be combined with -XX:ParallelGCThreads=0", NULL);
2070               " using -XX:ParallelGCThreads=N");
2230             "You need at least 256mb of memory to use -XX:+AggressiveHeap\n");
2336 // Aggressive optimization flags  -XX:+AggressiveOpts
3035       // Can be overridden with -XX:InitialHeapSize.
3040     } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) {
3105     } else if (match_option(option, "-XX:CodeCacheExpansionSize=", &tail)) {
3118                match_option(option, "-XX:ReservedCodeCacheSize=", &tail)) {
3130       // -XX:NonNMethodCodeHeapSize=
3131     } else if (match_option(option, "-XX:NonNMethodCodeHeapSize=", &tail)) {
3143       // -XX:ProfiledCodeHeapSize=
3144     } else if (match_option(option, "-XX:ProfiledCodeHeapSize=", &tail)) {
3156       // -XX:NonProfiledCodeHeapSizee=
3157     } else if (match_option(option, "-XX:NonProfiledCodeHeapSize=", &tail)) {
3382     // -XX:+AggressiveHeap
3383     } else if (match_option(option, "-XX:+AggressiveHeap")) {
3390     } else if (match_option(option, "-XX:+NeverTenure")) {
3400     } else if (match_option(option, "-XX:+AlwaysTenure")) {
3410     } else if (match_option(option, "-XX:MaxTenuringThreshold=", &tail)) {
3437     } else if (match_option(option, "-XX:+DisplayVMOutputToStderr")) {
3444     } else if (match_option(option, "-XX:+DisplayVMOutputToStdout")) {
3451     } else if (match_option(option, "-XX:+ExtendedDTraceProbes")) {
3471     } else if (match_option(option, "-XX:+FullGCALot")) {
3481     } else if (match_option(option, "-XX:+ManagementServer")) {
3486     } else if (match_option(option, "-XX:", &tail)) { // -XX:xxxx
3487       // Skip -XX:Flags= and -XX:VMOptionsFile= since those cases have
3556 // directory anyway. Adding -XX:+IgnoreEmptyClassPaths will make these applications' start-up
3837   // vm_options_file_pos (-XX:VMOptionsFile)
3851         // -XX:VMOptionsFile option
4113     if (match_option(option, "-XX:VMOptionsFile=", &tail)) {
4137                 "Specification of '-XX:VMOptionsFile=<file-name>' in the "
4148 // Expand -XX:VMOptionsFile found in args_in as needed.
4159     // args_in contains -XX:VMOptionsFile and mod_args contains the
4180     if (match_option(option, "-XX:Flags=", &tail)) {
4184     if (match_option(option, "-XX:VMOptionsFile=", &tail)) {
4215     if (match_option(option, "-XX:+PrintVMOptions")) {
4219     if (match_option(option, "-XX:-PrintVMOptions")) {
4223     if (match_option(option, "-XX:+IgnoreUnrecognizedVMOptions")) {
4227     if (match_option(option, "-XX:-IgnoreUnrecognizedVMOptions")) {
4231     if (match_option(option, "-XX:+PrintFlagsInitial")) {
4235     if (match_option(option, "-XX:NativeMemoryTracking", &tail)) {
4249         vm_exit_during_initialization("Syntax error, expecting -XX:NativeMemoryTracking=[off|summary|detail]", NULL);
4260     if (match_option(option, "-XX:+PrintFlagsWithComments")) {
4273     if (match_option(option, "-XX:", &tail)) {
4281     log_warning(gc)("-XX:+PrintGC is deprecated. Will use -Xlog:gc instead.");
4284     log_warning(gc)("-XX:+PrintGCDetails is deprecated. Will use -Xlog:gc* instead.");
4319   // If flag "-XX:Flags=flags-file" is used it will be the first option to be processed.
4426   // the -XX:-PrintWarnings flag
4429             "Run with -XX:Flags=%s to load the file.",
4542   // Set flags if Aggressive optimization flags (-XX:+AggressiveOpts) enabled