32 import sun.jvm.hotspot.runtime.*;
33 import sun.jvm.hotspot.types.*;
34
35 // ArrayKlass is the abstract class for all array classes
36
37 public class ArrayKlass extends Klass {
38 static {
39 VM.registerVMInitializedObserver(new Observer() {
40 public void update(Observable o, Object data) {
41 initialize(VM.getVM().getTypeDataBase());
42 }
43 });
44 }
45
46 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
47 Type type = db.lookupType("ArrayKlass");
48 dimension = new CIntField(type.getCIntegerField("_dimension"), 0);
49 higherDimension = new MetadataField(type.getAddressField("_higher_dimension"), 0);
50 lowerDimension = new MetadataField(type.getAddressField("_lower_dimension"), 0);
51 vtableLen = new CIntField(type.getCIntegerField("_vtable_len"), 0);
52 allocSize = new CIntField(type.getCIntegerField("_alloc_size"), 0);
53 componentMirror = new OopField(type.getOopField("_component_mirror"), 0);
54 javaLangCloneableName = null;
55 javaLangObjectName = null;
56 javaIoSerializableName = null;
57 }
58
59 public ArrayKlass(Address addr) {
60 super(addr);
61 }
62
63 private static CIntField dimension;
64 private static MetadataField higherDimension;
65 private static MetadataField lowerDimension;
66 private static CIntField vtableLen;
67 private static CIntField allocSize;
68 private static OopField componentMirror;
69
70 public Klass getJavaSuper() {
71 SystemDictionary sysDict = VM.getVM().getSystemDictionary();
72 return sysDict.getObjectKlass();
73 }
74
75 public long getDimension() { return dimension.getValue(this); }
76 public Klass getHigherDimension() { return (Klass) higherDimension.getValue(this); }
77 public Klass getLowerDimension() { return (Klass) lowerDimension.getValue(this); }
78 public long getVtableLen() { return vtableLen.getValue(this); }
79 public long getAllocSize() { return allocSize.getValue(this); }
80 public Oop getComponentMirror() { return componentMirror.getValue(this); }
81
82 // constant class names - javaLangCloneable, javaIoSerializable, javaLangObject
83 // Initialized lazily to avoid initialization ordering dependencies between ArrayKlass and SymbolTable
84 private static Symbol javaLangCloneableName;
85 private static Symbol javaLangObjectName;
86 private static Symbol javaIoSerializableName;
87 private static Symbol javaLangCloneableName() {
88 if (javaLangCloneableName == null) {
89 javaLangCloneableName = VM.getVM().getSymbolTable().probe("java/lang/Cloneable");
90 }
91 return javaLangCloneableName;
92 }
93
94 private static Symbol javaLangObjectName() {
95 if (javaLangObjectName == null) {
96 javaLangObjectName = VM.getVM().getSymbolTable().probe("java/lang/Object");
97 }
98 return javaLangObjectName;
99 }
130 Symbol name = k.getName();
131 if (name != null && (name.equals(javaIoSerializableName()) ||
132 name.equals(javaLangCloneableName()) ||
133 name.equals(javaLangObjectName()))) {
134 return true;
135 } else {
136 return false;
137 }
138 }
139
140 public void printValueOn(PrintStream tty) {
141 tty.print("ArrayKlass");
142 }
143
144 public void iterateFields(MetadataVisitor visitor) {
145 super.iterateFields(visitor);
146 visitor.doCInt(dimension, true);
147 visitor.doMetadata(higherDimension, true);
148 visitor.doMetadata(lowerDimension, true);
149 visitor.doCInt(vtableLen, true);
150 visitor.doCInt(allocSize, true);
151 visitor.doOop(componentMirror, true);
152 }
153 }
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32 import sun.jvm.hotspot.runtime.*;
33 import sun.jvm.hotspot.types.*;
34
35 // ArrayKlass is the abstract class for all array classes
36
37 public class ArrayKlass extends Klass {
38 static {
39 VM.registerVMInitializedObserver(new Observer() {
40 public void update(Observable o, Object data) {
41 initialize(VM.getVM().getTypeDataBase());
42 }
43 });
44 }
45
46 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
47 Type type = db.lookupType("ArrayKlass");
48 dimension = new CIntField(type.getCIntegerField("_dimension"), 0);
49 higherDimension = new MetadataField(type.getAddressField("_higher_dimension"), 0);
50 lowerDimension = new MetadataField(type.getAddressField("_lower_dimension"), 0);
51 vtableLen = new CIntField(type.getCIntegerField("_vtable_len"), 0);
52 componentMirror = new OopField(type.getOopField("_component_mirror"), 0);
53 javaLangCloneableName = null;
54 javaLangObjectName = null;
55 javaIoSerializableName = null;
56 }
57
58 public ArrayKlass(Address addr) {
59 super(addr);
60 }
61
62 private static CIntField dimension;
63 private static MetadataField higherDimension;
64 private static MetadataField lowerDimension;
65 private static CIntField vtableLen;
66 private static OopField componentMirror;
67
68 public Klass getJavaSuper() {
69 SystemDictionary sysDict = VM.getVM().getSystemDictionary();
70 return sysDict.getObjectKlass();
71 }
72
73 public long getDimension() { return dimension.getValue(this); }
74 public Klass getHigherDimension() { return (Klass) higherDimension.getValue(this); }
75 public Klass getLowerDimension() { return (Klass) lowerDimension.getValue(this); }
76 public long getVtableLen() { return vtableLen.getValue(this); }
77 public Oop getComponentMirror() { return componentMirror.getValue(this); }
78
79 // constant class names - javaLangCloneable, javaIoSerializable, javaLangObject
80 // Initialized lazily to avoid initialization ordering dependencies between ArrayKlass and SymbolTable
81 private static Symbol javaLangCloneableName;
82 private static Symbol javaLangObjectName;
83 private static Symbol javaIoSerializableName;
84 private static Symbol javaLangCloneableName() {
85 if (javaLangCloneableName == null) {
86 javaLangCloneableName = VM.getVM().getSymbolTable().probe("java/lang/Cloneable");
87 }
88 return javaLangCloneableName;
89 }
90
91 private static Symbol javaLangObjectName() {
92 if (javaLangObjectName == null) {
93 javaLangObjectName = VM.getVM().getSymbolTable().probe("java/lang/Object");
94 }
95 return javaLangObjectName;
96 }
127 Symbol name = k.getName();
128 if (name != null && (name.equals(javaIoSerializableName()) ||
129 name.equals(javaLangCloneableName()) ||
130 name.equals(javaLangObjectName()))) {
131 return true;
132 } else {
133 return false;
134 }
135 }
136
137 public void printValueOn(PrintStream tty) {
138 tty.print("ArrayKlass");
139 }
140
141 public void iterateFields(MetadataVisitor visitor) {
142 super.iterateFields(visitor);
143 visitor.doCInt(dimension, true);
144 visitor.doMetadata(higherDimension, true);
145 visitor.doMetadata(lowerDimension, true);
146 visitor.doCInt(vtableLen, true);
147 visitor.doOop(componentMirror, true);
148 }
149 }
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