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6710654: SAJDI failures with Compressed Oops

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Use correct offset for the java.lang.Class _klass field in SA.

Reviewed-by: jrose, never
This commit is contained in:
Vladimir Kozlov 2008-06-04 14:03:48 -07:00
parent d10912d513
commit 00bce59c67
1 changed files with 2 additions and 2 deletions
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4
hotspot/agent/src/share/classes/sun/jvm/hotspot/oops/OopUtilities.java
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@ -274,10 +274,10 @@ public class OopUtilities implements /* imports */ JVMTIThreadState {
// hc_klass is a HotSpot magic field and hence we can't // hc_klass is a HotSpot magic field and hence we can't
// find it from InstanceKlass for java.lang.Class. // find it from InstanceKlass for java.lang.Class.
TypeDataBase db = VM.getVM().getTypeDataBase(); TypeDataBase db = VM.getVM().getTypeDataBase();
int hcKlassOffset = (int) Oop.getHeaderSize(); int hcKlassOffset = (int) Instance.getHeaderSize();
try { try {
hcKlassOffset += (db.lookupIntConstant("java_lang_Class::hc_klass_offset").intValue() * hcKlassOffset += (db.lookupIntConstant("java_lang_Class::hc_klass_offset").intValue() *
db.getAddressSize()); VM.getVM().getHeapOopSize());
} catch (RuntimeException re) { } catch (RuntimeException re) {
// ignore, currently java_lang_Class::hc_klass_offset is zero // ignore, currently java_lang_Class::hc_klass_offset is zero
} }