Reland "Write classes in runtime-generated app image."

This reverts commit 24b3d648ff6c2c200003f55ac63fc910d7bfd40f.

Bug: 260557058

Reason for revert:
- Encode class loader context in image, and check it at load time.
- Set nterp entrypoint to methods that can.

Test: test.py
Test: atest com.android.bluetooth.opp.BluetoothOppObexServerSessionTest#onPut_withUnsupportedMimeTypeInHeader_returnsHttpBadRequest

Change-Id: Ibf4a8604c4a226d1acc021103668e211446bb53c

1 files changed, 27 insertions, 0 deletions

diff --git a/runtime/handle_scope-inl.h b/runtime/handle_scope-inl.h
index 3aa9e5221d..60a82a29ae 100644
--- a/runtime/handle_scope-inl.h
+++ b/runtime/handle_scope-inl.h
@@ -121,6 +121,15 @@ inline void HandleScope::VisitRoots(Visitor& visitor) {
   }
 }
 
+template <typename Visitor>
+inline void HandleScope::VisitHandles(Visitor& visitor) {
+  for (size_t i = 0, count = NumberOfReferences(); i < count; ++i) {
+    if (GetHandle(i) != nullptr) {
+      visitor.Visit(GetHandle(i));
+    }
+  }
+}
+
 template<size_t kNumReferences> template<class T>
 inline MutableHandle<T> FixedSizeHandleScope<kNumReferences>::NewHandle(T* object) {
   return NewHandle(ObjPtr<T>(object));
@@ -179,6 +188,15 @@ inline void BaseHandleScope::VisitRoots(Visitor& visitor) {
   }
 }
 
+template <typename Visitor>
+inline void BaseHandleScope::VisitHandles(Visitor& visitor) {
+  if (LIKELY(!IsVariableSized())) {
+    AsHandleScope()->VisitHandles(visitor);
+  } else {
+    AsVariableSized()->VisitHandles(visitor);
+  }
+}
+
 inline VariableSizedHandleScope* BaseHandleScope::AsVariableSized() {
   DCHECK(IsVariableSized());
   return down_cast<VariableSizedHandleScope*>(this);
@@ -269,6 +287,15 @@ inline void VariableSizedHandleScope::VisitRoots(Visitor& visitor) {
   }
 }
 
+template <typename Visitor>
+inline void VariableSizedHandleScope::VisitHandles(Visitor& visitor) {
+  LocalScopeType* cur = current_scope_;
+  while (cur != nullptr) {
+    cur->VisitHandles(visitor);
+    cur = reinterpret_cast<LocalScopeType*>(cur->GetLink());
+  }
+}
+
 }  // namespace art
 
 #endif  // ART_RUNTIME_HANDLE_SCOPE_INL_H_