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8068162: jvmtiRedefineClasses.cpp: guarantee(false) failed: OLD and/or OBSOLETE method(s) found

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Adjust Unsafe methods in the itable/vtable if Unsafe is redefined

Reviewed-by: coleenp, dcubed
This commit is contained in:
Serguei Spitsyn 2015-01-26 15:51:28 -08:00 • committed by Serguei Spitsyn
parent 2ffd52f306
commit 4326ee324a
3 changed files with 12 additions and 7 deletions
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4
hotspot/src/share/vm/prims/jvmtiRedefineClasses.cpp
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@ -3376,7 +3376,9 @@ void VM_RedefineClasses::AdjustCpoolCacheAndVtable::do_klass(Klass* k) {
// not yet in the vtable, because the vtable setup is in progress.
// This must be done after we adjust the default_methods and
// default_vtable_indices for methods already in the vtable.
// If redefining Unsafe, walk all the vtables looking for entries.
if (ik->vtable_length() > 0 && (_the_class_oop->is_interface()
|| _the_class_oop == SystemDictionary::misc_Unsafe_klass()
|| ik->is_subtype_of(_the_class_oop))) {
// ik->vtable() creates a wrapper object; rm cleans it up
ResourceMark rm(_thread);
@ -3396,7 +3398,9 @@ void VM_RedefineClasses::AdjustCpoolCacheAndVtable::do_klass(Klass* k) {
// interface, then we have to call adjust_method_entries() for
// every InstanceKlass that has an itable since there isn't a
// subclass relationship between an interface and an InstanceKlass.
// If redefining Unsafe, walk all the itables looking for entries.
if (ik->itable_length() > 0 && (_the_class_oop->is_interface()
|| _the_class_oop == SystemDictionary::misc_Unsafe_klass()
|| ik->is_subclass_of(_the_class_oop))) {
// ik->itable() creates a wrapper object; rm cleans it up
ResourceMark rm(_thread);