Add more standard structural redefinition entrypoints
Add structural redefinition extension function and event that mirror
the 'RedefineClasses' function and 'ClassFileLoadHook' event. The new
extension function is called
'com.android.art.class.structurally_redefine_classes' and the new
extension event is called
'com.android.art.class.structural_dex_file_load_hook'.
These extensions are the preferred way to use structural redefinition.
Like the standard 'RedefineClasses' multiple classes may be redefined
at a time.
The structural_dex_file_load_hook is triggered prior to the
can_retransform_classes ClassFileLoadHook. It is triggered on all
classes, even ones that cannot be structurally changed by
class-loading, class redefinition or by calling the RetransformClasses
function.
Calling 'structurally_redefine_classes' with new definitions that do
not require structural changes will fall back to non-structural
redefinition.
Test: ./test.py --host
Bug: 134162467
Change-Id: If4810930470c5c6509cf6db779910006e114b39f
diff --git a/openjdkjvmti/ti_class.cc b/openjdkjvmti/ti_class.cc
index 988274b..82ce916 100644
--- a/openjdkjvmti/ti_class.cc
+++ b/openjdkjvmti/ti_class.cc
@@ -204,6 +204,9 @@
memcpy(post_non_retransform.data(), def.GetDexData().data(), post_non_retransform.size());
}
+ // Call all structural transformation agents.
+ Transformer::TransformSingleClassDirect<ArtJvmtiEvent::kStructuralDexFileLoadHook>(
+ event_handler, self, &def);
// Call all retransformable agents.
Transformer::TransformSingleClassDirect<ArtJvmtiEvent::kClassFileLoadHookRetransformable>(
event_handler, self, &def);