JNI: Rewrite read barrier slow path.
Preserve all argument registers in the slow path to prepare
for moving arguments in registers for @FastNative. Move the
read barrier check earlier as it logically belongs to the
transition frame creation. For Baker read barriers, add a
mark bit check with fast return to the main path.
Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Test: run-gtests.sh
Test: testrunner.py --target --optimizing
Bug: 172332525
Change-Id: I50bbc0bc9d54577281e7667aafebb4a53a539af1
diff --git a/runtime/entrypoints/quick/quick_default_externs.h b/runtime/entrypoints/quick/quick_default_externs.h
index 42f962e..6ecf3fd 100644
--- a/runtime/entrypoints/quick/quick_default_externs.h
+++ b/runtime/entrypoints/quick/quick_default_externs.h
@@ -114,6 +114,9 @@
extern "C" void art_quick_invoke_virtual_trampoline_with_access_check(uint32_t, void*);
+// JNI read barrier entrypoint.
+extern "C" void art_read_barrier_jni(art::ArtMethod* method);
+
// Polymorphic invoke entrypoints.
extern "C" void art_quick_invoke_polymorphic(uint32_t, void*);
extern "C" void art_quick_invoke_custom(uint32_t, void*);