1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef ART_RUNTIME_JNI_INTERNAL_H_
18 #define ART_RUNTIME_JNI_INTERNAL_H_
19 
20 #include <jni.h>
21 #include <iosfwd>
22 
23 #ifndef NATIVE_METHOD
24 #define NATIVE_METHOD(className, functionName, signature) \
25   { #functionName, signature, reinterpret_cast<void*>(className ## _ ## functionName) }
26 #endif
27 #define REGISTER_NATIVE_METHODS(jni_class_name) \
28   RegisterNativeMethods(env, jni_class_name, gMethods, arraysize(gMethods))
29 
30 namespace art {
31 
32 const JNINativeInterface* GetJniNativeInterface();
33 
34 // Similar to RegisterNatives except its passed a descriptor for a class name and failures are
35 // fatal.
36 void RegisterNativeMethods(JNIEnv* env, const char* jni_class_name, const JNINativeMethod* methods,
37                            jint method_count);
38 
39 int ThrowNewException(JNIEnv* env, jclass exception_class, const char* msg, jobject cause);
40 
41 }  // namespace art
42 
43 std::ostream& operator<<(std::ostream& os, const jobjectRefType& rhs);
44 
45 #endif  // ART_RUNTIME_JNI_INTERNAL_H_
46