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8214231: Allow concurrent cleaning of TypeStackSlotEntries and ReturnTypeEntry

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Reviewed-by: rehn, coleenp
This commit is contained in:
Erik Österlund 2018-11-30 16:51:23 +01:00
parent 50ffeaa507
commit f65538cbda
1 changed files with 14 additions and 3 deletions
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17
src/hotspot/share/ci/ciMethodData.cpp
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@ -198,17 +198,28 @@ void ciReceiverTypeData::translate_receiver_data_from(const ProfileData* data) {
}
}
void ciTypeStackSlotEntries::translate_type_data_from(const TypeStackSlotEntries* entries) {
for (int i = 0; i < number_of_entries(); i++) {
intptr_t k = entries->type(i);
TypeStackSlotEntries::set_type(i, translate_klass(k));
Klass* klass = (Klass*)klass_part(k);
if (klass != NULL && !klass->is_loader_alive()) {
// With concurrent class unloading, the MDO could have stale metadata; override it
TypeStackSlotEntries::set_type(i, TypeStackSlotEntries::with_status((Klass*)NULL, k));
} else {
TypeStackSlotEntries::set_type(i, translate_klass(k));
}
}
}
void ciReturnTypeEntry::translate_type_data_from(const ReturnTypeEntry* ret) {
intptr_t k = ret->type();
set_type(translate_klass(k));
Klass* klass = (Klass*)klass_part(k);
if (klass != NULL && !klass->is_loader_alive()) {
// With concurrent class unloading, the MDO could have stale metadata; override it
set_type(ReturnTypeEntry::with_status((Klass*)NULL, k));
} else {
set_type(translate_klass(k));
}
}
void ciSpeculativeTrapData::translate_from(const ProfileData* data) {