Track libcore Executable.getParameter() changes
Executable.getParameter() has been added which added
two new fields to java.lang.reflect.Executable,
impacting class arrangements and padding.
The java.lang.reflect.Parameter class has been added
which has some associated native code and support
methods in DexFile.
Test: make test-art-host
Bug: 28666126
Change-Id: I4ff6469388879651a6c9e568eca0b1cd716f0c0d
diff --git a/runtime/native/java_lang_reflect_Parameter.cc b/runtime/native/java_lang_reflect_Parameter.cc
new file mode 100644
index 0000000..8fe3bb5
--- /dev/null
+++ b/runtime/native/java_lang_reflect_Parameter.cc
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "java_lang_reflect_Parameter.h"
+
+#include "art_method-inl.h"
+#include "common_throws.h"
+#include "dex_file-inl.h"
+#include "jni_internal.h"
+#include "scoped_fast_native_object_access.h"
+#include "utils.h"
+
+namespace art {
+
+static jobject Parameter_getAnnotationNative(JNIEnv* env,
+ jclass,
+ jobject javaMethod,
+ jint parameterIndex,
+ jclass annotationType) {
+ ScopedFastNativeObjectAccess soa(env);
+ if (UNLIKELY(javaMethod == nullptr)) {
+ ThrowNullPointerException("javaMethod == null");
+ return nullptr;
+ }
+
+ ArtMethod* method = ArtMethod::FromReflectedMethod(soa, javaMethod);
+ if (method->IsProxyMethod()) {
+ return nullptr;
+ }
+
+ uint32_t parameter_count = method->GetParameterTypeList()->Size();
+ if (UNLIKELY(parameterIndex < 0 || static_cast<uint32_t>(parameterIndex) >= parameter_count)) {
+ ThrowIllegalArgumentException(
+ StringPrintf("Illegal parameterIndex %d for %s, parameter_count is %d",
+ parameterIndex,
+ PrettyMethod(method).c_str(),
+ parameter_count).c_str());
+ return nullptr;
+ }
+
+ StackHandleScope<1> hs(soa.Self());
+ Handle<mirror::Class> klass(hs.NewHandle(soa.Decode<mirror::Class*>(annotationType)));
+ return soa.AddLocalReference<jobject>(
+ method->GetDexFile()->GetAnnotationForMethodParameter(method, parameterIndex, klass));
+}
+
+static JNINativeMethod gMethods[] = {
+ NATIVE_METHOD(Parameter,
+ getAnnotationNative,
+ "!(Ljava/lang/reflect/Executable;ILjava/lang/Class;)Ljava/lang/annotation/Annotation;"),
+};
+
+void register_java_lang_reflect_Parameter(JNIEnv* env) {
+ REGISTER_NATIVE_METHODS("java/lang/reflect/Parameter");
+}
+
+} // namespace art