Propagate the read barrier option to Class::VisitNativeRoots.
Propagate the read barrier option from Object::VisitReferences to
Class::VisitNativeRoots.
This is a step toward the GC thread avoiding graying objects (and
reducing dirty pages) in the immune spaces.
Bug: 12687968
Change-Id: I29c4126a4ad4c40e63a934e62451fb3fb36aad43
diff --git a/runtime/class_linker-inl.h b/runtime/class_linker-inl.h
index f3e260b..f2575f7 100644
--- a/runtime/class_linker-inl.h
+++ b/runtime/class_linker-inl.h
@@ -225,6 +225,34 @@
return klass;
}
+template<ReadBarrierOption kReadBarrierOption>
+ArtMethod* ClassLinker::FindMethodForProxy(mirror::Class* proxy_class, ArtMethod* proxy_method) {
+ DCHECK(proxy_class->IsProxyClass());
+ DCHECK(proxy_method->IsProxyMethod<kReadBarrierOption>());
+ {
+ Thread* const self = Thread::Current();
+ ReaderMutexLock mu(self, dex_lock_);
+ // Locate the dex cache of the original interface/Object
+ for (const DexCacheData& data : dex_caches_) {
+ if (!self->IsJWeakCleared(data.weak_root) &&
+ proxy_method->HasSameDexCacheResolvedTypes(data.resolved_types,
+ image_pointer_size_)) {
+ mirror::DexCache* dex_cache = down_cast<mirror::DexCache*>(
+ self->DecodeJObject(data.weak_root));
+ if (dex_cache != nullptr) {
+ ArtMethod* resolved_method = dex_cache->GetResolvedMethod(
+ proxy_method->GetDexMethodIndex(), image_pointer_size_);
+ CHECK(resolved_method != nullptr);
+ return resolved_method;
+ }
+ }
+ }
+ }
+ LOG(FATAL) << "Didn't find dex cache for " << PrettyClass(proxy_class) << " "
+ << PrettyMethod(proxy_method);
+ UNREACHABLE();
+}
+
} // namespace art
#endif // ART_RUNTIME_CLASS_LINKER_INL_H_