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8139891: Prepare Unsafe for true encapsulation

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Reviewed-by: alanb, dholmes, jrose, psandoz, twisti
This commit is contained in:
Chris Hegarty 2015-10-27 14:18:56 +00:00
parent 4aad17f807
commit ca4787d77b
13 changed files with 218 additions and 140 deletions
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4
hotspot/src/share/vm/prims/jvmtiRedefineClasses.cpp
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@ -3376,7 +3376,7 @@ void VM_RedefineClasses::AdjustCpoolCacheAndVtable::do_klass(Klass* k) {
// 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()
|| _the_class_oop == SystemDictionary::internal_Unsafe_klass()
|| ik->is_subtype_of(_the_class_oop))) {
// ik->vtable() creates a wrapper object; rm cleans it up
ResourceMark rm(_thread);
@ -3393,7 +3393,7 @@ void VM_RedefineClasses::AdjustCpoolCacheAndVtable::do_klass(Klass* k) {
// 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()
|| _the_class_oop == SystemDictionary::internal_Unsafe_klass()
|| ik->is_subclass_of(_the_class_oop))) {
// ik->itable() creates a wrapper object; rm cleans it up
ResourceMark rm(_thread);