87 }
88 }
89
90 public boolean isA(Klass k) {
91 return getKlass().isSubtypeOf(k);
92 }
93
94 // Returns the byte size of this object
95 public long getObjectSize() {
96 Klass k = getKlass();
97 // All other types should be overriding getObjectSize directly
98 return ((InstanceKlass)k).getObjectSize(this);
99 }
100
101 // Type test operations
102 public boolean isInstance() { return false; }
103 public boolean isInstanceRef() { return false; }
104 public boolean isArray() { return false; }
105 public boolean isObjArray() { return false; }
106 public boolean isTypeArray() { return false; }
107 public boolean isThread() { return false; }
108
109 // Align the object size.
110 public static long alignObjectSize(long size) {
111 return VM.getVM().alignUp(size, VM.getVM().getMinObjAlignmentInBytes());
112 }
113
114 // All vm's align longs, so pad out certain offsets.
115 public static long alignObjectOffset(long offset) {
116 return VM.getVM().alignUp(offset, VM.getVM().getBytesPerLong());
117 }
118
119 public boolean equals(Object obj) {
120 if (obj instanceof Oop other) {
121 return getHandle().equals(other.getHandle());
122 }
123 return false;
124 }
125
126 public int hashCode() { return getHandle().hashCode(); }
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87 }
88 }
89
90 public boolean isA(Klass k) {
91 return getKlass().isSubtypeOf(k);
92 }
93
94 // Returns the byte size of this object
95 public long getObjectSize() {
96 Klass k = getKlass();
97 // All other types should be overriding getObjectSize directly
98 return ((InstanceKlass)k).getObjectSize(this);
99 }
100
101 // Type test operations
102 public boolean isInstance() { return false; }
103 public boolean isInstanceRef() { return false; }
104 public boolean isArray() { return false; }
105 public boolean isObjArray() { return false; }
106 public boolean isTypeArray() { return false; }
107 public boolean isFlatArray() { return false; }
108 public boolean isThread() { return false; }
109
110 // Align the object size.
111 public static long alignObjectSize(long size) {
112 return VM.getVM().alignUp(size, VM.getVM().getMinObjAlignmentInBytes());
113 }
114
115 // All vm's align longs, so pad out certain offsets.
116 public static long alignObjectOffset(long offset) {
117 return VM.getVM().alignUp(offset, VM.getVM().getBytesPerLong());
118 }
119
120 public boolean equals(Object obj) {
121 if (obj instanceof Oop other) {
122 return getHandle().equals(other.getHandle());
123 }
124 return false;
125 }
126
127 public int hashCode() { return getHandle().hashCode(); }
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