1 /* 2 * Copyright (C) 2008 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 #include "java_lang_reflect_Field.h" 18 19 #include "android-base/stringprintf.h" 20 21 #include "art_field-inl.h" 22 #include "class_linker.h" 23 #include "class_linker-inl.h" 24 #include "common_throws.h" 25 #include "dex_file-inl.h" 26 #include "dex_file_annotations.h" 27 #include "jni_internal.h" 28 #include "mirror/class-inl.h" 29 #include "mirror/field.h" 30 #include "reflection-inl.h" 31 #include "scoped_fast_native_object_access-inl.h" 32 #include "utils.h" 33 #include "well_known_classes.h" 34 35 namespace art { 36 37 using android::base::StringPrintf; 38 39 template<bool kIsSet> 40 ALWAYS_INLINE inline static bool VerifyFieldAccess(Thread* self, 41 ObjPtr<mirror::Field> field, 42 ObjPtr<mirror::Object> obj) 43 REQUIRES_SHARED(Locks::mutator_lock_) { 44 if (kIsSet && field->IsFinal()) { 45 ThrowIllegalAccessException( 46 StringPrintf("Cannot set %s field %s of class %s", 47 PrettyJavaAccessFlags(field->GetAccessFlags()).c_str(), 48 ArtField::PrettyField(field->GetArtField()).c_str(), 49 field->GetDeclaringClass() == nullptr ? "null" : 50 field->GetDeclaringClass()->PrettyClass().c_str()).c_str()); 51 return false; 52 } 53 ObjPtr<mirror::Class> calling_class; 54 if (!VerifyAccess(self, 55 obj, 56 field->GetDeclaringClass(), 57 field->GetAccessFlags(), 58 &calling_class, 59 1)) { 60 ThrowIllegalAccessException( 61 StringPrintf("Class %s cannot access %s field %s of class %s", 62 calling_class == nullptr ? "null" : calling_class->PrettyClass().c_str(), 63 PrettyJavaAccessFlags(field->GetAccessFlags()).c_str(), 64 ArtField::PrettyField(field->GetArtField()).c_str(), 65 field->GetDeclaringClass() == nullptr ? "null" : 66 field->GetDeclaringClass()->PrettyClass().c_str()).c_str()); 67 return false; 68 } 69 return true; 70 } 71 72 template<bool kAllowReferences> 73 ALWAYS_INLINE inline static bool GetFieldValue(ObjPtr<mirror::Object> o, 74 ObjPtr<mirror::Field> f, 75 Primitive::Type field_type, 76 JValue* value) 77 REQUIRES_SHARED(Locks::mutator_lock_) { 78 DCHECK_EQ(value->GetJ(), INT64_C(0)); 79 MemberOffset offset(f->GetOffset()); 80 const bool is_volatile = f->IsVolatile(); 81 switch (field_type) { 82 case Primitive::kPrimBoolean: 83 value->SetZ(is_volatile ? o->GetFieldBooleanVolatile(offset) : o->GetFieldBoolean(offset)); 84 return true; 85 case Primitive::kPrimByte: 86 value->SetB(is_volatile ? o->GetFieldByteVolatile(offset) : o->GetFieldByte(offset)); 87 return true; 88 case Primitive::kPrimChar: 89 value->SetC(is_volatile ? o->GetFieldCharVolatile(offset) : o->GetFieldChar(offset)); 90 return true; 91 case Primitive::kPrimInt: 92 case Primitive::kPrimFloat: 93 value->SetI(is_volatile ? o->GetField32Volatile(offset) : o->GetField32(offset)); 94 return true; 95 case Primitive::kPrimLong: 96 case Primitive::kPrimDouble: 97 value->SetJ(is_volatile ? o->GetField64Volatile(offset) : o->GetField64(offset)); 98 return true; 99 case Primitive::kPrimShort: 100 value->SetS(is_volatile ? o->GetFieldShortVolatile(offset) : o->GetFieldShort(offset)); 101 return true; 102 case Primitive::kPrimNot: 103 if (kAllowReferences) { 104 value->SetL(is_volatile ? o->GetFieldObjectVolatile<mirror::Object>(offset) : 105 o->GetFieldObject<mirror::Object>(offset)); 106 return true; 107 } 108 // Else break to report an error. 109 break; 110 case Primitive::kPrimVoid: 111 // Never okay. 112 break; 113 } 114 ThrowIllegalArgumentException( 115 StringPrintf("Not a primitive field: %s", 116 ArtField::PrettyField(f->GetArtField()).c_str()).c_str()); 117 return false; 118 } 119 120 ALWAYS_INLINE inline static bool CheckReceiver(const ScopedFastNativeObjectAccess& soa, 121 jobject j_rcvr, 122 ObjPtr<mirror::Field>* f, 123 ObjPtr<mirror::Object>* class_or_rcvr) 124 REQUIRES_SHARED(Locks::mutator_lock_) { 125 soa.Self()->AssertThreadSuspensionIsAllowable(); 126 ObjPtr<mirror::Class> declaring_class = (*f)->GetDeclaringClass(); 127 if ((*f)->IsStatic()) { 128 if (UNLIKELY(!declaring_class->IsInitialized())) { 129 StackHandleScope<2> hs(soa.Self()); 130 HandleWrapperObjPtr<mirror::Field> h_f(hs.NewHandleWrapper(f)); 131 HandleWrapperObjPtr<mirror::Class> h_klass(hs.NewHandleWrapper(&declaring_class)); 132 ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); 133 if (UNLIKELY(!class_linker->EnsureInitialized(soa.Self(), h_klass, true, true))) { 134 DCHECK(soa.Self()->IsExceptionPending()); 135 return false; 136 } 137 } 138 *class_or_rcvr = declaring_class; 139 return true; 140 } 141 *class_or_rcvr = soa.Decode<mirror::Object>(j_rcvr); 142 if (!VerifyObjectIsClass(*class_or_rcvr, declaring_class)) { 143 DCHECK(soa.Self()->IsExceptionPending()); 144 return false; 145 } 146 return true; 147 } 148 149 static jobject Field_get(JNIEnv* env, jobject javaField, jobject javaObj) { 150 ScopedFastNativeObjectAccess soa(env); 151 ObjPtr<mirror::Field> f = soa.Decode<mirror::Field>(javaField); 152 ObjPtr<mirror::Object> o; 153 if (!CheckReceiver(soa, javaObj, &f, &o)) { 154 DCHECK(soa.Self()->IsExceptionPending()); 155 return nullptr; 156 } 157 // If field is not set to be accessible, verify it can be accessed by the caller. 158 if (!f->IsAccessible() && !VerifyFieldAccess<false>(soa.Self(), f, o)) { 159 DCHECK(soa.Self()->IsExceptionPending()); 160 return nullptr; 161 } 162 // We now don't expect suspension unless an exception is thrown. 163 // Get the field's value, boxing if necessary. 164 Primitive::Type field_type = f->GetTypeAsPrimitiveType(); 165 JValue value; 166 if (!GetFieldValue<true>(o, f, field_type, &value)) { 167 DCHECK(soa.Self()->IsExceptionPending()); 168 return nullptr; 169 } 170 return soa.AddLocalReference<jobject>(BoxPrimitive(field_type, value)); 171 } 172 173 template<Primitive::Type kPrimitiveType> 174 ALWAYS_INLINE inline static JValue GetPrimitiveField(JNIEnv* env, 175 jobject javaField, 176 jobject javaObj) { 177 ScopedFastNativeObjectAccess soa(env); 178 ObjPtr<mirror::Field> f = soa.Decode<mirror::Field>(javaField); 179 ObjPtr<mirror::Object> o; 180 if (!CheckReceiver(soa, javaObj, &f, &o)) { 181 DCHECK(soa.Self()->IsExceptionPending()); 182 return JValue(); 183 } 184 185 // If field is not set to be accessible, verify it can be accessed by the caller. 186 if (!f->IsAccessible() && !VerifyFieldAccess<false>(soa.Self(), f, o)) { 187 DCHECK(soa.Self()->IsExceptionPending()); 188 return JValue(); 189 } 190 191 // We now don't expect suspension unless an exception is thrown. 192 // Read the value. 193 Primitive::Type field_type = f->GetTypeAsPrimitiveType(); 194 JValue field_value; 195 if (field_type == kPrimitiveType) { 196 // This if statement should get optimized out since we only pass in valid primitive types. 197 if (UNLIKELY(!GetFieldValue<false>(o, f, kPrimitiveType, &field_value))) { 198 DCHECK(soa.Self()->IsExceptionPending()); 199 return JValue(); 200 } 201 return field_value; 202 } 203 if (!GetFieldValue<false>(o, f, field_type, &field_value)) { 204 DCHECK(soa.Self()->IsExceptionPending()); 205 return JValue(); 206 } 207 // Widen it if necessary (and possible). 208 JValue wide_value; 209 if (!ConvertPrimitiveValue(false, field_type, kPrimitiveType, field_value, 210 &wide_value)) { 211 DCHECK(soa.Self()->IsExceptionPending()); 212 return JValue(); 213 } 214 return wide_value; 215 } 216 217 static jboolean Field_getBoolean(JNIEnv* env, jobject javaField, jobject javaObj) { 218 return GetPrimitiveField<Primitive::kPrimBoolean>(env, javaField, javaObj).GetZ(); 219 } 220 221 static jbyte Field_getByte(JNIEnv* env, jobject javaField, jobject javaObj) { 222 return GetPrimitiveField<Primitive::kPrimByte>(env, javaField, javaObj).GetB(); 223 } 224 225 static jchar Field_getChar(JNIEnv* env, jobject javaField, jobject javaObj) { 226 return GetPrimitiveField<Primitive::kPrimChar>(env, javaField, javaObj).GetC(); 227 } 228 229 static jdouble Field_getDouble(JNIEnv* env, jobject javaField, jobject javaObj) { 230 return GetPrimitiveField<Primitive::kPrimDouble>(env, javaField, javaObj).GetD(); 231 } 232 233 static jfloat Field_getFloat(JNIEnv* env, jobject javaField, jobject javaObj) { 234 return GetPrimitiveField<Primitive::kPrimFloat>(env, javaField, javaObj).GetF(); 235 } 236 237 static jint Field_getInt(JNIEnv* env, jobject javaField, jobject javaObj) { 238 return GetPrimitiveField<Primitive::kPrimInt>(env, javaField, javaObj).GetI(); 239 } 240 241 static jlong Field_getLong(JNIEnv* env, jobject javaField, jobject javaObj) { 242 return GetPrimitiveField<Primitive::kPrimLong>(env, javaField, javaObj).GetJ(); 243 } 244 245 static jshort Field_getShort(JNIEnv* env, jobject javaField, jobject javaObj) { 246 return GetPrimitiveField<Primitive::kPrimShort>(env, javaField, javaObj).GetS(); 247 } 248 249 ALWAYS_INLINE inline static void SetFieldValue(ObjPtr<mirror::Object> o, 250 ObjPtr<mirror::Field> f, 251 Primitive::Type field_type, 252 bool allow_references, 253 const JValue& new_value) 254 REQUIRES_SHARED(Locks::mutator_lock_) { 255 DCHECK(f->GetDeclaringClass()->IsInitialized()); 256 MemberOffset offset(f->GetOffset()); 257 const bool is_volatile = f->IsVolatile(); 258 switch (field_type) { 259 case Primitive::kPrimBoolean: 260 if (is_volatile) { 261 o->SetFieldBooleanVolatile<false>(offset, new_value.GetZ()); 262 } else { 263 o->SetFieldBoolean<false>(offset, new_value.GetZ()); 264 } 265 break; 266 case Primitive::kPrimByte: 267 if (is_volatile) { 268 o->SetFieldBooleanVolatile<false>(offset, new_value.GetB()); 269 } else { 270 o->SetFieldBoolean<false>(offset, new_value.GetB()); 271 } 272 break; 273 case Primitive::kPrimChar: 274 if (is_volatile) { 275 o->SetFieldCharVolatile<false>(offset, new_value.GetC()); 276 } else { 277 o->SetFieldChar<false>(offset, new_value.GetC()); 278 } 279 break; 280 case Primitive::kPrimInt: 281 case Primitive::kPrimFloat: 282 if (is_volatile) { 283 o->SetField32Volatile<false>(offset, new_value.GetI()); 284 } else { 285 o->SetField32<false>(offset, new_value.GetI()); 286 } 287 break; 288 case Primitive::kPrimLong: 289 case Primitive::kPrimDouble: 290 if (is_volatile) { 291 o->SetField64Volatile<false>(offset, new_value.GetJ()); 292 } else { 293 o->SetField64<false>(offset, new_value.GetJ()); 294 } 295 break; 296 case Primitive::kPrimShort: 297 if (is_volatile) { 298 o->SetFieldShortVolatile<false>(offset, new_value.GetS()); 299 } else { 300 o->SetFieldShort<false>(offset, new_value.GetS()); 301 } 302 break; 303 case Primitive::kPrimNot: 304 if (allow_references) { 305 if (is_volatile) { 306 o->SetFieldObjectVolatile<false>(offset, new_value.GetL()); 307 } else { 308 o->SetFieldObject<false>(offset, new_value.GetL()); 309 } 310 break; 311 } 312 // Else fall through to report an error. 313 FALLTHROUGH_INTENDED; 314 case Primitive::kPrimVoid: 315 // Never okay. 316 ThrowIllegalArgumentException( 317 StringPrintf("Not a primitive field: %s", 318 ArtField::PrettyField(f->GetArtField()).c_str()).c_str()); 319 return; 320 } 321 } 322 323 static void Field_set(JNIEnv* env, jobject javaField, jobject javaObj, jobject javaValue) { 324 ScopedFastNativeObjectAccess soa(env); 325 ObjPtr<mirror::Field> f = soa.Decode<mirror::Field>(javaField); 326 // Check that the receiver is non-null and an instance of the field's declaring class. 327 ObjPtr<mirror::Object> o; 328 if (!CheckReceiver(soa, javaObj, &f, &o)) { 329 DCHECK(soa.Self()->IsExceptionPending()); 330 return; 331 } 332 ObjPtr<mirror::Class> field_type; 333 const char* field_type_desciptor = f->GetArtField()->GetTypeDescriptor(); 334 Primitive::Type field_prim_type = Primitive::GetType(field_type_desciptor[0]); 335 if (field_prim_type == Primitive::kPrimNot) { 336 field_type = f->GetType(); 337 DCHECK(field_type != nullptr); 338 } else { 339 field_type = Runtime::Current()->GetClassLinker()->FindPrimitiveClass(field_type_desciptor[0]); 340 } 341 // We now don't expect suspension unless an exception is thrown. 342 // Unbox the value, if necessary. 343 ObjPtr<mirror::Object> boxed_value = soa.Decode<mirror::Object>(javaValue); 344 JValue unboxed_value; 345 if (!UnboxPrimitiveForField(boxed_value, 346 field_type, 347 f->GetArtField(), 348 &unboxed_value)) { 349 DCHECK(soa.Self()->IsExceptionPending()); 350 return; 351 } 352 // If field is not set to be accessible, verify it can be accessed by the caller. 353 if (!f->IsAccessible() && !VerifyFieldAccess<true>(soa.Self(), f, o)) { 354 DCHECK(soa.Self()->IsExceptionPending()); 355 return; 356 } 357 SetFieldValue(o, f, field_prim_type, true, unboxed_value); 358 } 359 360 template<Primitive::Type kPrimitiveType> 361 static void SetPrimitiveField(JNIEnv* env, 362 jobject javaField, 363 jobject javaObj, 364 const JValue& new_value) { 365 ScopedFastNativeObjectAccess soa(env); 366 ObjPtr<mirror::Field> f = soa.Decode<mirror::Field>(javaField); 367 ObjPtr<mirror::Object> o; 368 if (!CheckReceiver(soa, javaObj, &f, &o)) { 369 return; 370 } 371 Primitive::Type field_type = f->GetTypeAsPrimitiveType(); 372 if (UNLIKELY(field_type == Primitive::kPrimNot)) { 373 ThrowIllegalArgumentException( 374 StringPrintf("Not a primitive field: %s", 375 ArtField::PrettyField(f->GetArtField()).c_str()).c_str()); 376 return; 377 } 378 379 // Widen the value if necessary (and possible). 380 JValue wide_value; 381 if (!ConvertPrimitiveValue(false, kPrimitiveType, field_type, new_value, &wide_value)) { 382 DCHECK(soa.Self()->IsExceptionPending()); 383 return; 384 } 385 386 // If field is not set to be accessible, verify it can be accessed by the caller. 387 if (!f->IsAccessible() && !VerifyFieldAccess<true>(soa.Self(), f, o)) { 388 DCHECK(soa.Self()->IsExceptionPending()); 389 return; 390 } 391 392 // Write the value. 393 SetFieldValue(o, f, field_type, false, wide_value); 394 } 395 396 static void Field_setBoolean(JNIEnv* env, jobject javaField, jobject javaObj, jboolean z) { 397 JValue value; 398 value.SetZ(z); 399 SetPrimitiveField<Primitive::kPrimBoolean>(env, javaField, javaObj, value); 400 } 401 402 static void Field_setByte(JNIEnv* env, jobject javaField, jobject javaObj, jbyte b) { 403 JValue value; 404 value.SetB(b); 405 SetPrimitiveField<Primitive::kPrimByte>(env, javaField, javaObj, value); 406 } 407 408 static void Field_setChar(JNIEnv* env, jobject javaField, jobject javaObj, jchar c) { 409 JValue value; 410 value.SetC(c); 411 SetPrimitiveField<Primitive::kPrimChar>(env, javaField, javaObj, value); 412 } 413 414 static void Field_setDouble(JNIEnv* env, jobject javaField, jobject javaObj, jdouble d) { 415 JValue value; 416 value.SetD(d); 417 SetPrimitiveField<Primitive::kPrimDouble>(env, javaField, javaObj, value); 418 } 419 420 static void Field_setFloat(JNIEnv* env, jobject javaField, jobject javaObj, jfloat f) { 421 JValue value; 422 value.SetF(f); 423 SetPrimitiveField<Primitive::kPrimFloat>(env, javaField, javaObj, value); 424 } 425 426 static void Field_setInt(JNIEnv* env, jobject javaField, jobject javaObj, jint i) { 427 JValue value; 428 value.SetI(i); 429 SetPrimitiveField<Primitive::kPrimInt>(env, javaField, javaObj, value); 430 } 431 432 static void Field_setLong(JNIEnv* env, jobject javaField, jobject javaObj, jlong j) { 433 JValue value; 434 value.SetJ(j); 435 SetPrimitiveField<Primitive::kPrimLong>(env, javaField, javaObj, value); 436 } 437 438 static void Field_setShort(JNIEnv* env, jobject javaField, jobject javaObj, jshort s) { 439 JValue value; 440 value.SetS(s); 441 SetPrimitiveField<Primitive::kPrimShort>(env, javaField, javaObj, value); 442 } 443 444 static jobject Field_getAnnotationNative(JNIEnv* env, jobject javaField, jclass annotationType) { 445 ScopedFastNativeObjectAccess soa(env); 446 StackHandleScope<1> hs(soa.Self()); 447 ArtField* field = soa.Decode<mirror::Field>(javaField)->GetArtField(); 448 if (field->GetDeclaringClass()->IsProxyClass()) { 449 return nullptr; 450 } 451 Handle<mirror::Class> klass(hs.NewHandle(soa.Decode<mirror::Class>(annotationType))); 452 return soa.AddLocalReference<jobject>(annotations::GetAnnotationForField(field, klass)); 453 } 454 455 static jlong Field_getArtField(JNIEnv* env, jobject javaField) { 456 ScopedFastNativeObjectAccess soa(env); 457 ArtField* field = soa.Decode<mirror::Field>(javaField)->GetArtField(); 458 return reinterpret_cast<jlong>(field); 459 } 460 461 static jobject Field_getNameInternal(JNIEnv* env, jobject javaField) { 462 ScopedFastNativeObjectAccess soa(env); 463 ArtField* field = soa.Decode<mirror::Field>(javaField)->GetArtField(); 464 return soa.AddLocalReference<jobject>( 465 field->GetStringName(soa.Self(), true /* resolve */)); 466 } 467 468 static jobjectArray Field_getDeclaredAnnotations(JNIEnv* env, jobject javaField) { 469 ScopedFastNativeObjectAccess soa(env); 470 ArtField* field = soa.Decode<mirror::Field>(javaField)->GetArtField(); 471 if (field->GetDeclaringClass()->IsProxyClass()) { 472 // Return an empty array instead of a null pointer. 473 ObjPtr<mirror::Class> annotation_array_class = 474 soa.Decode<mirror::Class>(WellKnownClasses::java_lang_annotation_Annotation__array); 475 ObjPtr<mirror::ObjectArray<mirror::Object>> empty_array = 476 mirror::ObjectArray<mirror::Object>::Alloc(soa.Self(), annotation_array_class.Ptr(), 0); 477 return soa.AddLocalReference<jobjectArray>(empty_array); 478 } 479 return soa.AddLocalReference<jobjectArray>(annotations::GetAnnotationsForField(field)); 480 } 481 482 static jobjectArray Field_getSignatureAnnotation(JNIEnv* env, jobject javaField) { 483 ScopedFastNativeObjectAccess soa(env); 484 ArtField* field = soa.Decode<mirror::Field>(javaField)->GetArtField(); 485 if (field->GetDeclaringClass()->IsProxyClass()) { 486 return nullptr; 487 } 488 return soa.AddLocalReference<jobjectArray>(annotations::GetSignatureAnnotationForField(field)); 489 } 490 491 static jboolean Field_isAnnotationPresentNative(JNIEnv* env, 492 jobject javaField, 493 jclass annotationType) { 494 ScopedFastNativeObjectAccess soa(env); 495 StackHandleScope<1> hs(soa.Self()); 496 ArtField* field = soa.Decode<mirror::Field>(javaField)->GetArtField(); 497 if (field->GetDeclaringClass()->IsProxyClass()) { 498 return false; 499 } 500 Handle<mirror::Class> klass(hs.NewHandle(soa.Decode<mirror::Class>(annotationType))); 501 return annotations::IsFieldAnnotationPresent(field, klass); 502 } 503 504 static JNINativeMethod gMethods[] = { 505 FAST_NATIVE_METHOD(Field, get, "(Ljava/lang/Object;)Ljava/lang/Object;"), 506 FAST_NATIVE_METHOD(Field, getBoolean, "(Ljava/lang/Object;)Z"), 507 FAST_NATIVE_METHOD(Field, getByte, "(Ljava/lang/Object;)B"), 508 FAST_NATIVE_METHOD(Field, getChar, "(Ljava/lang/Object;)C"), 509 FAST_NATIVE_METHOD(Field, getAnnotationNative, 510 "(Ljava/lang/Class;)Ljava/lang/annotation/Annotation;"), 511 FAST_NATIVE_METHOD(Field, getArtField, "()J"), 512 FAST_NATIVE_METHOD(Field, getDeclaredAnnotations, "()[Ljava/lang/annotation/Annotation;"), 513 FAST_NATIVE_METHOD(Field, getSignatureAnnotation, "()[Ljava/lang/String;"), 514 FAST_NATIVE_METHOD(Field, getDouble, "(Ljava/lang/Object;)D"), 515 FAST_NATIVE_METHOD(Field, getFloat, "(Ljava/lang/Object;)F"), 516 FAST_NATIVE_METHOD(Field, getInt, "(Ljava/lang/Object;)I"), 517 FAST_NATIVE_METHOD(Field, getLong, "(Ljava/lang/Object;)J"), 518 FAST_NATIVE_METHOD(Field, getNameInternal, "()Ljava/lang/String;"), 519 FAST_NATIVE_METHOD(Field, getShort, "(Ljava/lang/Object;)S"), 520 FAST_NATIVE_METHOD(Field, isAnnotationPresentNative, "(Ljava/lang/Class;)Z"), 521 FAST_NATIVE_METHOD(Field, set, "(Ljava/lang/Object;Ljava/lang/Object;)V"), 522 FAST_NATIVE_METHOD(Field, setBoolean, "(Ljava/lang/Object;Z)V"), 523 FAST_NATIVE_METHOD(Field, setByte, "(Ljava/lang/Object;B)V"), 524 FAST_NATIVE_METHOD(Field, setChar, "(Ljava/lang/Object;C)V"), 525 FAST_NATIVE_METHOD(Field, setDouble, "(Ljava/lang/Object;D)V"), 526 FAST_NATIVE_METHOD(Field, setFloat, "(Ljava/lang/Object;F)V"), 527 FAST_NATIVE_METHOD(Field, setInt, "(Ljava/lang/Object;I)V"), 528 FAST_NATIVE_METHOD(Field, setLong, "(Ljava/lang/Object;J)V"), 529 FAST_NATIVE_METHOD(Field, setShort, "(Ljava/lang/Object;S)V"), 530 }; 531 532 void register_java_lang_reflect_Field(JNIEnv* env) { 533 REGISTER_NATIVE_METHODS("java/lang/reflect/Field"); 534 } 535 536 } // namespace art 537