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_JNI_INTERNAL_H_ 18 #define ART_RUNTIME_JNI_JNI_INTERNAL_H_ 19 20 #include <jni.h> 21 #include <iosfwd> 22 23 #include "base/macros.h" 24 25 namespace art { 26 27 class ArtField; 28 class ArtMethod; 29 30 const JNINativeInterface* GetJniNativeInterface(); 31 const JNINativeInterface* GetRuntimeShutdownNativeInterface(); 32 33 int ThrowNewException(JNIEnv* env, jclass exception_class, const char* msg, jobject cause); 34 35 // Enables native stack checking for field and method resolutions via JNI. This should be called 36 // during runtime initialization after libjavacore and libopenjdk have been dlopen()'ed. 37 void JniInitializeNativeCallerCheck(); 38 39 // Removes native stack checking state. 40 void JniShutdownNativeCallerCheck(); 41 42 namespace jni { 43 44 ALWAYS_INLINE DecodeArtField(jfieldID fid)45static inline ArtField* DecodeArtField(jfieldID fid) { 46 return reinterpret_cast<ArtField*>(fid); 47 } 48 49 ALWAYS_INLINE EncodeArtField(ArtField * field)50static inline jfieldID EncodeArtField(ArtField* field) { 51 return reinterpret_cast<jfieldID>(field); 52 } 53 54 ALWAYS_INLINE EncodeArtMethod(ArtMethod * art_method)55static inline jmethodID EncodeArtMethod(ArtMethod* art_method) { 56 return reinterpret_cast<jmethodID>(art_method); 57 } 58 59 ALWAYS_INLINE DecodeArtMethod(jmethodID method_id)60static inline ArtMethod* DecodeArtMethod(jmethodID method_id) { 61 return reinterpret_cast<ArtMethod*>(method_id); 62 } 63 64 } // namespace jni 65 } // namespace art 66 67 std::ostream& operator<<(std::ostream& os, const jobjectRefType& rhs); 68 69 #endif // ART_RUNTIME_JNI_JNI_INTERNAL_H_ 70