java_lang_Class.cc revision cf36d493124d8048efa0bd6f67d817ce3cd6b725 
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_Class.h"
18
19#include "art_field-inl.h"
20#include "class_linker.h"
21#include "common_throws.h"
22#include "dex_file-inl.h"
23#include "jni_internal.h"
24#include "nth_caller_visitor.h"
25#include "mirror/class-inl.h"
26#include "mirror/class_loader.h"
27#include "mirror/field-inl.h"
28#include "mirror/method.h"
29#include "mirror/object-inl.h"
30#include "mirror/object_array-inl.h"
31#include "mirror/string-inl.h"
32#include "reflection.h"
33#include "scoped_thread_state_change.h"
34#include "scoped_fast_native_object_access.h"
35#include "ScopedLocalRef.h"
36#include "ScopedUtfChars.h"
37#include "utf.h"
38#include "well_known_classes.h"
39
40namespace art {
41
42ALWAYS_INLINE static inline mirror::Class* DecodeClass(
43    const ScopedFastNativeObjectAccess& soa, jobject java_class)
44    SHARED_REQUIRES(Locks::mutator_lock_) {
45  mirror::Class* c = soa.Decode<mirror::Class*>(java_class);
46  DCHECK(c != nullptr);
47  DCHECK(c->IsClass());
48  // TODO: we could EnsureInitialized here, rather than on every reflective get/set or invoke .
49  // For now, we conservatively preserve the old dalvik behavior. A quick "IsInitialized" check
50  // every time probably doesn't make much difference to reflection performance anyway.
51  return c;
52}
53
54// "name" is in "binary name" format, e.g. "dalvik.system.Debug$1".
55static jclass Class_classForName(JNIEnv* env, jclass, jstring javaName, jboolean initialize,
56                                 jobject javaLoader) {
57  ScopedFastNativeObjectAccess soa(env);
58  ScopedUtfChars name(env, javaName);
59  if (name.c_str() == nullptr) {
60    return nullptr;
61  }
62
63  // We need to validate and convert the name (from x.y.z to x/y/z).  This
64  // is especially handy for array types, since we want to avoid
65  // auto-generating bogus array classes.
66  if (!IsValidBinaryClassName(name.c_str())) {
67    soa.Self()->ThrowNewExceptionF("Ljava/lang/ClassNotFoundException;",
68                                   "Invalid name: %s", name.c_str());
69    return nullptr;
70  }
71
72  std::string descriptor(DotToDescriptor(name.c_str()));
73  StackHandleScope<2> hs(soa.Self());
74  Handle<mirror::ClassLoader> class_loader(hs.NewHandle(soa.Decode<mirror::ClassLoader*>(javaLoader)));
75  ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
76  Handle<mirror::Class> c(
77      hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor.c_str(), class_loader)));
78  if (c.Get() == nullptr) {
79    ScopedLocalRef<jthrowable> cause(env, env->ExceptionOccurred());
80    env->ExceptionClear();
81    jthrowable cnfe = reinterpret_cast<jthrowable>(env->NewObject(WellKnownClasses::java_lang_ClassNotFoundException,
82                                                                  WellKnownClasses::java_lang_ClassNotFoundException_init,
83                                                                  javaName, cause.get()));
84    if (cnfe != nullptr) {
85      // Make sure allocation didn't fail with an OOME.
86      env->Throw(cnfe);
87    }
88    return nullptr;
89  }
90  if (initialize) {
91    class_linker->EnsureInitialized(soa.Self(), c, true, true);
92  }
93  return soa.AddLocalReference<jclass>(c.Get());
94}
95
96static jstring Class_getNameNative(JNIEnv* env, jobject javaThis) {
97  ScopedFastNativeObjectAccess soa(env);
98  StackHandleScope<1> hs(soa.Self());
99  mirror::Class* const c = DecodeClass(soa, javaThis);
100  return soa.AddLocalReference<jstring>(mirror::Class::ComputeName(hs.NewHandle(c)));
101}
102
103static jobjectArray Class_getProxyInterfaces(JNIEnv* env, jobject javaThis) {
104  ScopedFastNativeObjectAccess soa(env);
105  mirror::Class* c = DecodeClass(soa, javaThis);
106  return soa.AddLocalReference<jobjectArray>(c->GetInterfaces()->Clone(soa.Self()));
107}
108
109static mirror::ObjectArray<mirror::Field>* GetDeclaredFields(
110    Thread* self, mirror::Class* klass, bool public_only, bool force_resolve)
111      SHARED_REQUIRES(Locks::mutator_lock_) {
112  StackHandleScope<1> hs(self);
113  IterationRange<StrideIterator<ArtField>> ifields = klass->GetIFields();
114  IterationRange<StrideIterator<ArtField>> sfields = klass->GetSFields();
115  size_t array_size = klass->NumInstanceFields() + klass->NumStaticFields();
116  if (public_only) {
117    // Lets go subtract all the non public fields.
118    for (ArtField& field : ifields) {
119      if (!field.IsPublic()) {
120        --array_size;
121      }
122    }
123    for (ArtField& field : sfields) {
124      if (!field.IsPublic()) {
125        --array_size;
126      }
127    }
128  }
129  size_t array_idx = 0;
130  auto object_array = hs.NewHandle(mirror::ObjectArray<mirror::Field>::Alloc(
131      self, mirror::Field::ArrayClass(), array_size));
132  if (object_array.Get() == nullptr) {
133    return nullptr;
134  }
135  for (ArtField& field : ifields) {
136    if (!public_only || field.IsPublic()) {
137      auto* reflect_field = mirror::Field::CreateFromArtField(self, &field, force_resolve);
138      if (reflect_field == nullptr) {
139        if (kIsDebugBuild) {
140          self->AssertPendingException();
141        }
142        // Maybe null due to OOME or type resolving exception.
143        return nullptr;
144      }
145      object_array->SetWithoutChecks<false>(array_idx++, reflect_field);
146    }
147  }
148  for (ArtField& field : sfields) {
149    if (!public_only || field.IsPublic()) {
150      auto* reflect_field = mirror::Field::CreateFromArtField(self, &field, force_resolve);
151      if (reflect_field == nullptr) {
152        if (kIsDebugBuild) {
153          self->AssertPendingException();
154        }
155        return nullptr;
156      }
157      object_array->SetWithoutChecks<false>(array_idx++, reflect_field);
158    }
159  }
160  DCHECK_EQ(array_idx, array_size);
161  return object_array.Get();
162}
163
164static jobjectArray Class_getDeclaredFieldsUnchecked(JNIEnv* env, jobject javaThis,
165                                                     jboolean publicOnly) {
166  ScopedFastNativeObjectAccess soa(env);
167  return soa.AddLocalReference<jobjectArray>(
168      GetDeclaredFields(soa.Self(), DecodeClass(soa, javaThis), publicOnly != JNI_FALSE, false));
169}
170
171static jobjectArray Class_getDeclaredFields(JNIEnv* env, jobject javaThis) {
172  ScopedFastNativeObjectAccess soa(env);
173  return soa.AddLocalReference<jobjectArray>(
174      GetDeclaredFields(soa.Self(), DecodeClass(soa, javaThis), false, true));
175}
176
177static jobjectArray Class_getPublicDeclaredFields(JNIEnv* env, jobject javaThis) {
178  ScopedFastNativeObjectAccess soa(env);
179  return soa.AddLocalReference<jobjectArray>(
180      GetDeclaredFields(soa.Self(), DecodeClass(soa, javaThis), true, true));
181}
182
183// Performs a binary search through an array of fields, TODO: Is this fast enough if we don't use
184// the dex cache for lookups? I think CompareModifiedUtf8ToUtf16AsCodePointValues should be fairly
185// fast.
186ALWAYS_INLINE static inline ArtField* FindFieldByName(
187    Thread* self ATTRIBUTE_UNUSED, mirror::String* name, LengthPrefixedArray<ArtField>* fields)
188    SHARED_REQUIRES(Locks::mutator_lock_) {
189  if (fields == nullptr) {
190    return nullptr;
191  }
192  size_t low = 0;
193  size_t high = fields->Length();
194  const uint16_t* const data = name->GetValue();
195  const size_t length = name->GetLength();
196  while (low < high) {
197    auto mid = (low + high) / 2;
198    ArtField& field = fields->At(mid);
199    int result = CompareModifiedUtf8ToUtf16AsCodePointValues(field.GetName(), data, length);
200    // Alternate approach, only a few % faster at the cost of more allocations.
201    // int result = field->GetStringName(self, true)->CompareTo(name);
202    if (result < 0) {
203      low = mid + 1;
204    } else if (result > 0) {
205      high = mid;
206    } else {
207      return &field;
208    }
209  }
210  if (kIsDebugBuild) {
211    for (ArtField& field : MakeIterationRangeFromLengthPrefixedArray(fields)) {
212      CHECK_NE(field.GetName(), name->ToModifiedUtf8());
213    }
214  }
215  return nullptr;
216}
217
218ALWAYS_INLINE static inline mirror::Field* GetDeclaredField(
219    Thread* self, mirror::Class* c, mirror::String* name)
220    SHARED_REQUIRES(Locks::mutator_lock_) {
221  ArtField* art_field = FindFieldByName(self, name, c->GetIFieldsPtr());
222  if (art_field != nullptr) {
223    return mirror::Field::CreateFromArtField(self, art_field, true);
224  }
225  art_field = FindFieldByName(self, name, c->GetSFieldsPtr());
226  if (art_field != nullptr) {
227    return mirror::Field::CreateFromArtField(self, art_field, true);
228  }
229  return nullptr;
230}
231
232static jobject Class_getDeclaredFieldInternal(JNIEnv* env, jobject javaThis, jstring name) {
233  ScopedFastNativeObjectAccess soa(env);
234  auto* name_string = soa.Decode<mirror::String*>(name);
235  return soa.AddLocalReference<jobject>(
236      GetDeclaredField(soa.Self(), DecodeClass(soa, javaThis), name_string));
237}
238
239static jobject Class_getDeclaredField(JNIEnv* env, jobject javaThis, jstring name) {
240  ScopedFastNativeObjectAccess soa(env);
241  auto* name_string = soa.Decode<mirror::String*>(name);
242  if (name_string == nullptr) {
243    ThrowNullPointerException("name == null");
244    return nullptr;
245  }
246  auto* klass = DecodeClass(soa, javaThis);
247  mirror::Field* result = GetDeclaredField(soa.Self(), klass, name_string);
248  if (result == nullptr) {
249    std::string name_str = name_string->ToModifiedUtf8();
250    // We may have a pending exception if we failed to resolve.
251    if (!soa.Self()->IsExceptionPending()) {
252      ThrowNoSuchFieldException(DecodeClass(soa, javaThis), name_str.c_str());
253    }
254    return nullptr;
255  }
256  return soa.AddLocalReference<jobject>(result);
257}
258
259static jobject Class_getDeclaredConstructorInternal(
260    JNIEnv* env, jobject javaThis, jobjectArray args) {
261  ScopedFastNativeObjectAccess soa(env);
262  auto* klass = DecodeClass(soa, javaThis);
263  auto* params = soa.Decode<mirror::ObjectArray<mirror::Class>*>(args);
264  StackHandleScope<1> hs(soa.Self());
265  auto* declared_constructor = klass->GetDeclaredConstructor(soa.Self(), hs.NewHandle(params));
266  if (declared_constructor != nullptr) {
267    return soa.AddLocalReference<jobject>(
268        mirror::Constructor::CreateFromArtMethod(soa.Self(), declared_constructor));
269  }
270  return nullptr;
271}
272
273static ALWAYS_INLINE inline bool MethodMatchesConstructor(ArtMethod* m, bool public_only)
274    SHARED_REQUIRES(Locks::mutator_lock_) {
275  DCHECK(m != nullptr);
276  return (!public_only || m->IsPublic()) && !m->IsStatic() && m->IsConstructor();
277}
278
279static jobjectArray Class_getDeclaredConstructorsInternal(
280    JNIEnv* env, jobject javaThis, jboolean publicOnly) {
281  ScopedFastNativeObjectAccess soa(env);
282  StackHandleScope<2> hs(soa.Self());
283  Handle<mirror::Class> h_klass = hs.NewHandle(DecodeClass(soa, javaThis));
284  size_t constructor_count = 0;
285  // Two pass approach for speed.
286  for (auto& m : h_klass->GetDirectMethods(sizeof(void*))) {
287    constructor_count += MethodMatchesConstructor(&m, publicOnly != JNI_FALSE) ? 1u : 0u;
288  }
289  auto h_constructors = hs.NewHandle(mirror::ObjectArray<mirror::Constructor>::Alloc(
290      soa.Self(), mirror::Constructor::ArrayClass(), constructor_count));
291  if (UNLIKELY(h_constructors.Get() == nullptr)) {
292    soa.Self()->AssertPendingException();
293    return nullptr;
294  }
295  constructor_count = 0;
296  for (auto& m : h_klass->GetDirectMethods(sizeof(void*))) {
297    if (MethodMatchesConstructor(&m, publicOnly != JNI_FALSE)) {
298      auto* constructor = mirror::Constructor::CreateFromArtMethod(soa.Self(), &m);
299      if (UNLIKELY(constructor == nullptr)) {
300        soa.Self()->AssertPendingOOMException();
301        return nullptr;
302      }
303      h_constructors->SetWithoutChecks<false>(constructor_count++, constructor);
304    }
305  }
306  return soa.AddLocalReference<jobjectArray>(h_constructors.Get());
307}
308
309static jobject Class_getDeclaredMethodInternal(JNIEnv* env, jobject javaThis,
310                                               jobject name, jobjectArray args) {
311  // Covariant return types permit the class to define multiple
312  // methods with the same name and parameter types. Prefer to
313  // return a non-synthetic method in such situations. We may
314  // still return a synthetic method to handle situations like
315  // escalated visibility. We never return miranda methods that
316  // were synthesized by the runtime.
317  constexpr uint32_t kSkipModifiers = kAccMiranda | kAccSynthetic;
318  ScopedFastNativeObjectAccess soa(env);
319  StackHandleScope<3> hs(soa.Self());
320  auto h_method_name = hs.NewHandle(soa.Decode<mirror::String*>(name));
321  if (UNLIKELY(h_method_name.Get() == nullptr)) {
322    ThrowNullPointerException("name == null");
323    return nullptr;
324  }
325  auto h_args = hs.NewHandle(soa.Decode<mirror::ObjectArray<mirror::Class>*>(args));
326  Handle<mirror::Class> h_klass = hs.NewHandle(DecodeClass(soa, javaThis));
327  ArtMethod* result = nullptr;
328  for (auto& m : h_klass->GetVirtualMethods(sizeof(void*))) {
329    auto* np_method = m.GetInterfaceMethodIfProxy(sizeof(void*));
330    // May cause thread suspension.
331    mirror::String* np_name = np_method->GetNameAsString(soa.Self());
332    if (!np_name->Equals(h_method_name.Get()) || !np_method->EqualParameters(h_args)) {
333      if (UNLIKELY(soa.Self()->IsExceptionPending())) {
334        return nullptr;
335      }
336      continue;
337    }
338    auto modifiers = m.GetAccessFlags();
339    if ((modifiers & kSkipModifiers) == 0) {
340      return soa.AddLocalReference<jobject>(mirror::Method::CreateFromArtMethod(soa.Self(), &m));
341    }
342    if ((modifiers & kAccMiranda) == 0) {
343      result = &m;  // Remember as potential result if it's not a miranda method.
344    }
345  }
346  if (result == nullptr) {
347    for (auto& m : h_klass->GetDirectMethods(sizeof(void*))) {
348      auto modifiers = m.GetAccessFlags();
349      if ((modifiers & kAccConstructor) != 0) {
350        continue;
351      }
352      auto* np_method = m.GetInterfaceMethodIfProxy(sizeof(void*));
353      // May cause thread suspension.
354      mirror::String* np_name = np_method->GetNameAsString(soa.Self());
355      if (np_name == nullptr) {
356        soa.Self()->AssertPendingException();
357        return nullptr;
358      }
359      if (!np_name->Equals(h_method_name.Get()) || !np_method->EqualParameters(h_args)) {
360        if (UNLIKELY(soa.Self()->IsExceptionPending())) {
361          return nullptr;
362        }
363        continue;
364      }
365      if ((modifiers & kSkipModifiers) == 0) {
366        return soa.AddLocalReference<jobject>(mirror::Method::CreateFromArtMethod(soa.Self(), &m));
367      }
368      // Direct methods cannot be miranda methods, so this potential result must be synthetic.
369      result = &m;
370    }
371  }
372  return result != nullptr ?
373      soa.AddLocalReference<jobject>(mirror::Method::CreateFromArtMethod(soa.Self(), result)) :
374      nullptr;
375}
376
377static jobjectArray Class_getDeclaredMethodsUnchecked(JNIEnv* env, jobject javaThis,
378                                                      jboolean publicOnly) {
379  ScopedFastNativeObjectAccess soa(env);
380  StackHandleScope<2> hs(soa.Self());
381  Handle<mirror::Class> klass = hs.NewHandle(DecodeClass(soa, javaThis));
382  size_t num_methods = 0;
383  for (auto& m : klass->GetVirtualMethods(sizeof(void*))) {
384    auto modifiers = m.GetAccessFlags();
385    if ((publicOnly == JNI_FALSE || (modifiers & kAccPublic) != 0) &&
386        (modifiers & kAccMiranda) == 0) {
387      ++num_methods;
388    }
389  }
390  for (auto& m : klass->GetDirectMethods(sizeof(void*))) {
391    auto modifiers = m.GetAccessFlags();
392    // Add non-constructor direct/static methods.
393    if ((publicOnly == JNI_FALSE || (modifiers & kAccPublic) != 0) &&
394        (modifiers & kAccConstructor) == 0) {
395      ++num_methods;
396    }
397  }
398  auto ret = hs.NewHandle(mirror::ObjectArray<mirror::Method>::Alloc(
399      soa.Self(), mirror::Method::ArrayClass(), num_methods));
400  num_methods = 0;
401  for (auto& m : klass->GetVirtualMethods(sizeof(void*))) {
402    auto modifiers = m.GetAccessFlags();
403    if ((publicOnly == JNI_FALSE || (modifiers & kAccPublic) != 0) &&
404        (modifiers & kAccMiranda) == 0) {
405      auto* method = mirror::Method::CreateFromArtMethod(soa.Self(), &m);
406      if (method == nullptr) {
407        soa.Self()->AssertPendingException();
408        return nullptr;
409      }
410      ret->SetWithoutChecks<false>(num_methods++, method);
411    }
412  }
413  for (auto& m : klass->GetDirectMethods(sizeof(void*))) {
414    auto modifiers = m.GetAccessFlags();
415    // Add non-constructor direct/static methods.
416    if ((publicOnly == JNI_FALSE || (modifiers & kAccPublic) != 0) &&
417        (modifiers & kAccConstructor) == 0) {
418      auto* method = mirror::Method::CreateFromArtMethod(soa.Self(), &m);
419      if (method == nullptr) {
420        soa.Self()->AssertPendingException();
421        return nullptr;
422      }
423      ret->SetWithoutChecks<false>(num_methods++, method);
424    }
425  }
426  return soa.AddLocalReference<jobjectArray>(ret.Get());
427}
428
429static jobject Class_newInstance(JNIEnv* env, jobject javaThis) {
430  ScopedFastNativeObjectAccess soa(env);
431  StackHandleScope<4> hs(soa.Self());
432  Handle<mirror::Class> klass = hs.NewHandle(DecodeClass(soa, javaThis));
433  if (UNLIKELY(klass->GetPrimitiveType() != 0 || klass->IsInterface() || klass->IsArrayClass() ||
434               klass->IsAbstract())) {
435    soa.Self()->ThrowNewExceptionF("Ljava/lang/InstantiationException;",
436                                   "%s cannot be instantiated", PrettyClass(klass.Get()).c_str());
437    return nullptr;
438  }
439  auto caller = hs.NewHandle<mirror::Class>(nullptr);
440  // Verify that we can access the class.
441  if (!klass->IsPublic()) {
442    caller.Assign(GetCallingClass(soa.Self(), 1));
443    if (caller.Get() != nullptr && !caller->CanAccess(klass.Get())) {
444      soa.Self()->ThrowNewExceptionF(
445          "Ljava/lang/IllegalAccessException;", "%s is not accessible from %s",
446          PrettyClass(klass.Get()).c_str(), PrettyClass(caller.Get()).c_str());
447      return nullptr;
448    }
449  }
450  auto* constructor = klass->GetDeclaredConstructor(
451      soa.Self(), NullHandle<mirror::ObjectArray<mirror::Class>>());
452  if (UNLIKELY(constructor == nullptr)) {
453    soa.Self()->ThrowNewExceptionF("Ljava/lang/InstantiationException;",
454                                   "%s has no zero argument constructor",
455                                   PrettyClass(klass.Get()).c_str());
456    return nullptr;
457  }
458  // Invoke the string allocator to return an empty string for the string class.
459  if (klass->IsStringClass()) {
460    gc::AllocatorType allocator_type = Runtime::Current()->GetHeap()->GetCurrentAllocator();
461    mirror::SetStringCountVisitor visitor(0);
462    mirror::Object* obj = mirror::String::Alloc<true>(soa.Self(), 0, allocator_type, visitor);
463    if (UNLIKELY(soa.Self()->IsExceptionPending())) {
464      return nullptr;
465    } else {
466      return soa.AddLocalReference<jobject>(obj);
467    }
468  }
469  auto receiver = hs.NewHandle(klass->AllocObject(soa.Self()));
470  if (UNLIKELY(receiver.Get() == nullptr)) {
471    soa.Self()->AssertPendingOOMException();
472    return nullptr;
473  }
474  // Verify that we can access the constructor.
475  auto* declaring_class = constructor->GetDeclaringClass();
476  if (!constructor->IsPublic()) {
477    if (caller.Get() == nullptr) {
478      caller.Assign(GetCallingClass(soa.Self(), 1));
479    }
480    if (UNLIKELY(caller.Get() != nullptr && !VerifyAccess(
481        soa.Self(), receiver.Get(), declaring_class, constructor->GetAccessFlags(),
482        caller.Get()))) {
483      soa.Self()->ThrowNewExceptionF(
484          "Ljava/lang/IllegalAccessException;", "%s is not accessible from %s",
485          PrettyMethod(constructor).c_str(), PrettyClass(caller.Get()).c_str());
486      return nullptr;
487    }
488  }
489  // Ensure that we are initialized.
490  if (UNLIKELY(!declaring_class->IsInitialized())) {
491    if (!Runtime::Current()->GetClassLinker()->EnsureInitialized(
492        soa.Self(), hs.NewHandle(declaring_class), true, true)) {
493      soa.Self()->AssertPendingException();
494      return nullptr;
495    }
496  }
497  // Invoke the constructor.
498  JValue result;
499  uint32_t args[1] = { static_cast<uint32_t>(reinterpret_cast<uintptr_t>(receiver.Get())) };
500  constructor->Invoke(soa.Self(), args, sizeof(args), &result, "V");
501  if (UNLIKELY(soa.Self()->IsExceptionPending())) {
502    return nullptr;
503  }
504  // Constructors are ()V methods, so we shouldn't touch the result of InvokeMethod.
505  return soa.AddLocalReference<jobject>(receiver.Get());
506}
507
508static JNINativeMethod gMethods[] = {
509  NATIVE_METHOD(Class, classForName,
510                "!(Ljava/lang/String;ZLjava/lang/ClassLoader;)Ljava/lang/Class;"),
511  NATIVE_METHOD(Class, getDeclaredConstructorInternal,
512                "!([Ljava/lang/Class;)Ljava/lang/reflect/Constructor;"),
513  NATIVE_METHOD(Class, getDeclaredConstructorsInternal, "!(Z)[Ljava/lang/reflect/Constructor;"),
514  NATIVE_METHOD(Class, getDeclaredField, "!(Ljava/lang/String;)Ljava/lang/reflect/Field;"),
515  NATIVE_METHOD(Class, getDeclaredFieldInternal, "!(Ljava/lang/String;)Ljava/lang/reflect/Field;"),
516  NATIVE_METHOD(Class, getDeclaredFields, "!()[Ljava/lang/reflect/Field;"),
517  NATIVE_METHOD(Class, getDeclaredFieldsUnchecked, "!(Z)[Ljava/lang/reflect/Field;"),
518  NATIVE_METHOD(Class, getDeclaredMethodInternal,
519                "!(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;"),
520  NATIVE_METHOD(Class, getDeclaredMethodsUnchecked,
521                  "!(Z)[Ljava/lang/reflect/Method;"),
522  NATIVE_METHOD(Class, getNameNative, "!()Ljava/lang/String;"),
523  NATIVE_METHOD(Class, getProxyInterfaces, "!()[Ljava/lang/Class;"),
524  NATIVE_METHOD(Class, getPublicDeclaredFields, "!()[Ljava/lang/reflect/Field;"),
525  NATIVE_METHOD(Class, newInstance, "!()Ljava/lang/Object;"),
526};
527
528void register_java_lang_Class(JNIEnv* env) {
529  REGISTER_NATIVE_METHODS("java/lang/Class");
530}
531
532}  // namespace art
533