844 compressedKlassPointersEnabled = (flag == null) ? Boolean.FALSE:
845 (flag.getBool()? Boolean.TRUE: Boolean.FALSE);
846 }
847 return compressedKlassPointersEnabled.booleanValue();
848 }
849
850 public int getObjectAlignmentInBytes() {
851 if (objectAlignmentInBytes == 0) {
852 Flag flag = getCommandLineFlag("ObjectAlignmentInBytes");
853 objectAlignmentInBytes = (flag == null) ? 8 : (int)flag.getIntx();
854 }
855 return objectAlignmentInBytes;
856 }
857
858 /** Indicates whether Thread-Local Allocation Buffers are used */
859 public boolean getUseTLAB() {
860 Flag flag = getCommandLineFlag("UseTLAB");
861 return (flag == null) ? false: flag.getBool();
862 }
863
864 // returns null, if not available.
865 public Flag[] getCommandLineFlags() {
866 if (commandLineFlags == null) {
867 readCommandLineFlags();
868 }
869
870 return commandLineFlags;
871 }
872
873 public Flag getCommandLineFlag(String name) {
874 if (flagsMap == null) {
875 flagsMap = new HashMap();
876 Flag[] flags = getCommandLineFlags();
877 for (int i = 0; i < flags.length; i++) {
878 flagsMap.put(flags[i].getName(), flags[i]);
879 }
880 }
881 return (Flag) flagsMap.get(name);
882 }
883
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844 compressedKlassPointersEnabled = (flag == null) ? Boolean.FALSE:
845 (flag.getBool()? Boolean.TRUE: Boolean.FALSE);
846 }
847 return compressedKlassPointersEnabled.booleanValue();
848 }
849
850 public int getObjectAlignmentInBytes() {
851 if (objectAlignmentInBytes == 0) {
852 Flag flag = getCommandLineFlag("ObjectAlignmentInBytes");
853 objectAlignmentInBytes = (flag == null) ? 8 : (int)flag.getIntx();
854 }
855 return objectAlignmentInBytes;
856 }
857
858 /** Indicates whether Thread-Local Allocation Buffers are used */
859 public boolean getUseTLAB() {
860 Flag flag = getCommandLineFlag("UseTLAB");
861 return (flag == null) ? false: flag.getBool();
862 }
863
864 public boolean getCommandLineBooleanFlag(String name) {
865 Flag flag = getCommandLineFlag(name);
866 return (flag == null) ? Boolean.FALSE:
867 (flag.getBool()? Boolean.TRUE: Boolean.FALSE);
868 }
869
870 // returns null, if not available.
871 public Flag[] getCommandLineFlags() {
872 if (commandLineFlags == null) {
873 readCommandLineFlags();
874 }
875
876 return commandLineFlags;
877 }
878
879 public Flag getCommandLineFlag(String name) {
880 if (flagsMap == null) {
881 flagsMap = new HashMap();
882 Flag[] flags = getCommandLineFlags();
883 for (int i = 0; i < flags.length; i++) {
884 flagsMap.put(flags[i].getName(), flags[i]);
885 }
886 }
887 return (Flag) flagsMap.get(name);
888 }
889
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