Improve performance of invokevirtual/invokeinterface with embedded imt/vtable
Add an embedded version of imt/vtable into class object. Both tables start at
fixed offset within class object so method/entry point can be loaded directly
from class object for invokeinterface/invokevirtual.
Bug: 8142917
Change-Id: I4240d58cfbe9250107c95c0708c036854c455968
diff --git a/runtime/mirror/object-inl.h b/runtime/mirror/object-inl.h
index 089ef57..d9f442c 100644
--- a/runtime/mirror/object-inl.h
+++ b/runtime/mirror/object-inl.h
@@ -35,6 +35,11 @@
namespace art {
namespace mirror {
+inline uint32_t Object::ClassSize() {
+ uint32_t vtable_entries = kVTableLength;
+ return Class::ComputeClassSize(true, vtable_entries, 0, 0, 0);
+}
+
template<VerifyObjectFlags kVerifyFlags, ReadBarrierOption kReadBarrierOption>
inline Class* Object::GetClass() {
return GetFieldObject<Class, kVerifyFlags, kReadBarrierOption>(
@@ -687,6 +692,7 @@
template<bool kVisitClass, typename Visitor>
inline void Object::VisitStaticFieldsReferences(mirror::Class* klass, const Visitor& visitor) {
+ DCHECK(!klass->IsTemp());
klass->VisitFieldsReferences<kVisitClass, true>(
klass->GetReferenceStaticOffsets<kVerifyNone>(), visitor);
}