commit 1eb512d33f94d1dd7ea38263307ba0f7a0dfa653
author Ian Rogers <irogers@google.com> Fri Oct 18 15:42:20 2013 -0700
committer Ian Rogers <irogers@google.com> Sun Oct 20 14:55:26 2013 -0700
tree b4d4d9b16013ab90fb4b40d23013d7ef44bb5852
parent b917ea1a62aa0ab8eca3f689ef64b5be34e11abb

Fast JNI support.

Use a modifier to signal a native method is a fast JNI method. If the
modifier is set then don't perform runnable transitions.

Change-Id: I7835b4d837bfdd1cb8e2d54b919c0d5e6cf90499

runtime/native/java_lang_reflect_Array.cc

diff --git a/runtime/native/java_lang_reflect_Array.cc b/runtime/native/java_lang_reflect_Array.cc
index 45ec0ad..a2d6b18 100644
--- a/runtime/native/java_lang_reflect_Array.cc
+++ b/runtime/native/java_lang_reflect_Array.cc
@@ -21,13 +21,13 @@
 #include "mirror/class-inl.h"
 #include "mirror/object-inl.h"
 #include "object_utils.h"
-#include "scoped_thread_state_change.h"
+#include "scoped_fast_native_object_access.h"
 #include "sirt_ref.h"
 
 namespace art {
 
 static jobject Array_createMultiArray(JNIEnv* env, jclass, jclass javaElementClass, jobject javaDimArray) {
-  ScopedObjectAccess soa(env);
+  ScopedFastNativeObjectAccess soa(env);
   DCHECK(javaElementClass != NULL);
   mirror::Class* element_class = soa.Decode<mirror::Class*>(javaElementClass);
   DCHECK(element_class->IsClass());
@@ -41,7 +41,7 @@
 }
 
 static jobject Array_createObjectArray(JNIEnv* env, jclass, jclass javaElementClass, jint length) {
-  ScopedObjectAccess soa(env);
+  ScopedFastNativeObjectAccess soa(env);
   DCHECK(javaElementClass != NULL);
   mirror::Class* element_class = soa.Decode<mirror::Class*>(javaElementClass);
   if (UNLIKELY(length < 0)) {
@@ -63,8 +63,8 @@
 }
 
 static JNINativeMethod gMethods[] = {
-  NATIVE_METHOD(Array, createMultiArray, "(Ljava/lang/Class;[I)Ljava/lang/Object;"),
-  NATIVE_METHOD(Array, createObjectArray, "(Ljava/lang/Class;I)Ljava/lang/Object;"),
+  NATIVE_METHOD(Array, createMultiArray, "!(Ljava/lang/Class;[I)Ljava/lang/Object;"),
+  NATIVE_METHOD(Array, createObjectArray, "!(Ljava/lang/Class;I)Ljava/lang/Object;"),
 };
 
 void register_java_lang_reflect_Array(JNIEnv* env) {