class.cc revision 967a0adf8b93a23d2a8fef82e06bd913db94ac19
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#include "class.h" 18 19#include "art_field-inl.h" 20#include "art_method-inl.h" 21#include "class-inl.h" 22#include "class_linker.h" 23#include "class_loader.h" 24#include "dex_cache.h" 25#include "dex_file-inl.h" 26#include "gc/accounting/card_table-inl.h" 27#include "object-inl.h" 28#include "object_array-inl.h" 29#include "object_utils.h" 30#include "runtime.h" 31#include "sirt_ref.h" 32#include "thread.h" 33#include "throwable.h" 34#include "utils.h" 35#include "well_known_classes.h" 36 37namespace art { 38namespace mirror { 39 40Class* Class::java_lang_Class_ = NULL; 41 42void Class::SetClassClass(Class* java_lang_Class) { 43 CHECK(java_lang_Class_ == NULL) << java_lang_Class_ << " " << java_lang_Class; 44 CHECK(java_lang_Class != NULL); 45 java_lang_Class_ = java_lang_Class; 46} 47 48void Class::ResetClass() { 49 CHECK(java_lang_Class_ != NULL); 50 java_lang_Class_ = NULL; 51} 52 53void Class::SetStatus(Status new_status, Thread* self) { 54 Status old_status = GetStatus(); 55 bool class_linker_initialized = Runtime::Current()->GetClassLinker() != nullptr; 56 if (LIKELY(class_linker_initialized)) { 57 if (UNLIKELY(new_status <= old_status && new_status != kStatusError)) { 58 LOG(FATAL) << "Unexpected change back of class status for " << PrettyClass(this) << " " 59 << old_status << " -> " << new_status; 60 } 61 if (new_status >= kStatusResolved || old_status >= kStatusResolved) { 62 // When classes are being resolved the resolution code should hold the lock. 63 CHECK_EQ(GetThinLockId(), self->GetThinLockId()) 64 << "Attempt to change status of class while not holding its lock: " 65 << PrettyClass(this) << " " << old_status << " -> " << new_status; 66 } 67 } 68 if (new_status == kStatusError) { 69 CHECK_NE(GetStatus(), kStatusError) 70 << "Attempt to set as erroneous an already erroneous class " << PrettyClass(this); 71 72 // Stash current exception. 73 SirtRef<mirror::Object> old_throw_this_object(self, NULL); 74 SirtRef<mirror::ArtMethod> old_throw_method(self, NULL); 75 SirtRef<mirror::Throwable> old_exception(self, NULL); 76 uint32_t old_throw_dex_pc; 77 { 78 ThrowLocation old_throw_location; 79 mirror::Throwable* old_exception_obj = self->GetException(&old_throw_location); 80 old_throw_this_object.reset(old_throw_location.GetThis()); 81 old_throw_method.reset(old_throw_location.GetMethod()); 82 old_exception.reset(old_exception_obj); 83 old_throw_dex_pc = old_throw_location.GetDexPc(); 84 self->ClearException(); 85 } 86 CHECK(old_exception.get() != NULL); 87 88 // clear exception to call FindSystemClass 89 self->ClearException(); 90 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 91 Class* eiie_class = class_linker->FindSystemClass("Ljava/lang/ExceptionInInitializerError;"); 92 CHECK(!self->IsExceptionPending()); 93 94 // Only verification errors, not initialization problems, should set a verify error. 95 // This is to ensure that ThrowEarlierClassFailure will throw NoClassDefFoundError in that case. 96 Class* exception_class = old_exception->GetClass(); 97 if (!eiie_class->IsAssignableFrom(exception_class)) { 98 SetVerifyErrorClass(exception_class); 99 } 100 101 // Restore exception. 102 ThrowLocation gc_safe_throw_location(old_throw_this_object.get(), old_throw_method.get(), 103 old_throw_dex_pc); 104 105 self->SetException(gc_safe_throw_location, old_exception.get()); 106 } 107 CHECK(sizeof(Status) == sizeof(uint32_t)) << PrettyClass(this); 108 SetField32(OFFSET_OF_OBJECT_MEMBER(Class, status_), new_status, false); 109 // Classes that are being resolved or initialized need to notify waiters that the class status 110 // changed. See ClassLinker::EnsureResolved and ClassLinker::WaitForInitializeClass. 111 if ((old_status >= kStatusResolved || new_status >= kStatusResolved) && 112 class_linker_initialized) { 113 NotifyAll(self); 114 } 115} 116 117void Class::SetDexCache(DexCache* new_dex_cache) { 118 SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, dex_cache_), new_dex_cache, false); 119} 120 121void Class::SetClassSize(size_t new_class_size) { 122 DCHECK_GE(new_class_size, GetClassSize()) << " class=" << PrettyTypeOf(this); 123 SetField32(OFFSET_OF_OBJECT_MEMBER(Class, class_size_), new_class_size, false); 124} 125 126// Return the class' name. The exact format is bizarre, but it's the specified behavior for 127// Class.getName: keywords for primitive types, regular "[I" form for primitive arrays (so "int" 128// but "[I"), and arrays of reference types written between "L" and ";" but with dots rather than 129// slashes (so "java.lang.String" but "[Ljava.lang.String;"). Madness. 130String* Class::ComputeName() { 131 String* name = GetName(); 132 if (name != NULL) { 133 return name; 134 } 135 std::string descriptor(ClassHelper(this).GetDescriptor()); 136 if ((descriptor[0] != 'L') && (descriptor[0] != '[')) { 137 // The descriptor indicates that this is the class for 138 // a primitive type; special-case the return value. 139 const char* c_name = NULL; 140 switch (descriptor[0]) { 141 case 'Z': c_name = "boolean"; break; 142 case 'B': c_name = "byte"; break; 143 case 'C': c_name = "char"; break; 144 case 'S': c_name = "short"; break; 145 case 'I': c_name = "int"; break; 146 case 'J': c_name = "long"; break; 147 case 'F': c_name = "float"; break; 148 case 'D': c_name = "double"; break; 149 case 'V': c_name = "void"; break; 150 default: 151 LOG(FATAL) << "Unknown primitive type: " << PrintableChar(descriptor[0]); 152 } 153 name = String::AllocFromModifiedUtf8(Thread::Current(), c_name); 154 } else { 155 // Convert the UTF-8 name to a java.lang.String. The name must use '.' to separate package 156 // components. 157 if (descriptor.size() > 2 && descriptor[0] == 'L' && descriptor[descriptor.size() - 1] == ';') { 158 descriptor.erase(0, 1); 159 descriptor.erase(descriptor.size() - 1); 160 } 161 std::replace(descriptor.begin(), descriptor.end(), '/', '.'); 162 name = String::AllocFromModifiedUtf8(Thread::Current(), descriptor.c_str()); 163 } 164 SetName(name); 165 return name; 166} 167 168void Class::DumpClass(std::ostream& os, int flags) const { 169 if ((flags & kDumpClassFullDetail) == 0) { 170 os << PrettyClass(this); 171 if ((flags & kDumpClassClassLoader) != 0) { 172 os << ' ' << GetClassLoader(); 173 } 174 if ((flags & kDumpClassInitialized) != 0) { 175 os << ' ' << GetStatus(); 176 } 177 os << "\n"; 178 return; 179 } 180 181 Class* super = GetSuperClass(); 182 ClassHelper kh(this); 183 os << "----- " << (IsInterface() ? "interface" : "class") << " " 184 << "'" << kh.GetDescriptor() << "' cl=" << GetClassLoader() << " -----\n", 185 os << " objectSize=" << SizeOf() << " " 186 << "(" << (super != NULL ? super->SizeOf() : -1) << " from super)\n", 187 os << StringPrintf(" access=0x%04x.%04x\n", 188 GetAccessFlags() >> 16, GetAccessFlags() & kAccJavaFlagsMask); 189 if (super != NULL) { 190 os << " super='" << PrettyClass(super) << "' (cl=" << super->GetClassLoader() << ")\n"; 191 } 192 if (IsArrayClass()) { 193 os << " componentType=" << PrettyClass(GetComponentType()) << "\n"; 194 } 195 if (kh.NumDirectInterfaces() > 0) { 196 os << " interfaces (" << kh.NumDirectInterfaces() << "):\n"; 197 for (size_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 198 Class* interface = kh.GetDirectInterface(i); 199 const ClassLoader* cl = interface->GetClassLoader(); 200 os << StringPrintf(" %2zd: %s (cl=%p)\n", i, PrettyClass(interface).c_str(), cl); 201 } 202 } 203 os << " vtable (" << NumVirtualMethods() << " entries, " 204 << (super != NULL ? super->NumVirtualMethods() : 0) << " in super):\n"; 205 for (size_t i = 0; i < NumVirtualMethods(); ++i) { 206 os << StringPrintf(" %2zd: %s\n", i, PrettyMethod(GetVirtualMethodDuringLinking(i)).c_str()); 207 } 208 os << " direct methods (" << NumDirectMethods() << " entries):\n"; 209 for (size_t i = 0; i < NumDirectMethods(); ++i) { 210 os << StringPrintf(" %2zd: %s\n", i, PrettyMethod(GetDirectMethod(i)).c_str()); 211 } 212 if (NumStaticFields() > 0) { 213 os << " static fields (" << NumStaticFields() << " entries):\n"; 214 if (IsResolved() || IsErroneous()) { 215 for (size_t i = 0; i < NumStaticFields(); ++i) { 216 os << StringPrintf(" %2zd: %s\n", i, PrettyField(GetStaticField(i)).c_str()); 217 } 218 } else { 219 os << " <not yet available>"; 220 } 221 } 222 if (NumInstanceFields() > 0) { 223 os << " instance fields (" << NumInstanceFields() << " entries):\n"; 224 if (IsResolved() || IsErroneous()) { 225 for (size_t i = 0; i < NumInstanceFields(); ++i) { 226 os << StringPrintf(" %2zd: %s\n", i, PrettyField(GetInstanceField(i)).c_str()); 227 } 228 } else { 229 os << " <not yet available>"; 230 } 231 } 232} 233 234void Class::SetReferenceInstanceOffsets(uint32_t new_reference_offsets) { 235 if (new_reference_offsets != CLASS_WALK_SUPER) { 236 // Sanity check that the number of bits set in the reference offset bitmap 237 // agrees with the number of references 238 size_t count = 0; 239 for (Class* c = this; c != NULL; c = c->GetSuperClass()) { 240 count += c->NumReferenceInstanceFieldsDuringLinking(); 241 } 242 CHECK_EQ((size_t)__builtin_popcount(new_reference_offsets), count); 243 } 244 SetField32(OFFSET_OF_OBJECT_MEMBER(Class, reference_instance_offsets_), 245 new_reference_offsets, false); 246} 247 248void Class::SetReferenceStaticOffsets(uint32_t new_reference_offsets) { 249 if (new_reference_offsets != CLASS_WALK_SUPER) { 250 // Sanity check that the number of bits set in the reference offset bitmap 251 // agrees with the number of references 252 CHECK_EQ((size_t)__builtin_popcount(new_reference_offsets), 253 NumReferenceStaticFieldsDuringLinking()); 254 } 255 SetField32(OFFSET_OF_OBJECT_MEMBER(Class, reference_static_offsets_), 256 new_reference_offsets, false); 257} 258 259bool Class::IsInSamePackage(const StringPiece& descriptor1, const StringPiece& descriptor2) { 260 size_t i = 0; 261 while (descriptor1[i] != '\0' && descriptor1[i] == descriptor2[i]) { 262 ++i; 263 } 264 if (descriptor1.find('/', i) != StringPiece::npos || 265 descriptor2.find('/', i) != StringPiece::npos) { 266 return false; 267 } else { 268 return true; 269 } 270} 271 272bool Class::IsInSamePackage(const Class* that) const { 273 const Class* klass1 = this; 274 const Class* klass2 = that; 275 if (klass1 == klass2) { 276 return true; 277 } 278 // Class loaders must match. 279 if (klass1->GetClassLoader() != klass2->GetClassLoader()) { 280 return false; 281 } 282 // Arrays are in the same package when their element classes are. 283 while (klass1->IsArrayClass()) { 284 klass1 = klass1->GetComponentType(); 285 } 286 while (klass2->IsArrayClass()) { 287 klass2 = klass2->GetComponentType(); 288 } 289 // trivial check again for array types 290 if (klass1 == klass2) { 291 return true; 292 } 293 // Compare the package part of the descriptor string. 294 if (LIKELY(!klass1->IsProxyClass() && !klass2->IsProxyClass())) { 295 ClassHelper kh(klass1); 296 const DexFile* dex_file1 = &kh.GetDexFile(); 297 const DexFile::TypeId* type_id1 = &dex_file1->GetTypeId(klass1->GetDexTypeIndex()); 298 const char* descriptor1 = dex_file1->GetTypeDescriptor(*type_id1); 299 kh.ChangeClass(klass2); 300 const DexFile* dex_file2 = &kh.GetDexFile(); 301 const DexFile::TypeId* type_id2 = &dex_file2->GetTypeId(klass2->GetDexTypeIndex()); 302 const char* descriptor2 = dex_file2->GetTypeDescriptor(*type_id2); 303 return IsInSamePackage(descriptor1, descriptor2); 304 } 305 ClassHelper kh(klass1); 306 std::string descriptor1(kh.GetDescriptor()); 307 kh.ChangeClass(klass2); 308 std::string descriptor2(kh.GetDescriptor()); 309 return IsInSamePackage(descriptor1, descriptor2); 310} 311 312bool Class::IsClassClass() const { 313 Class* java_lang_Class = GetClass()->GetClass(); 314 return this == java_lang_Class; 315} 316 317bool Class::IsStringClass() const { 318 return this == String::GetJavaLangString(); 319} 320 321bool Class::IsThrowableClass() const { 322 return WellKnownClasses::ToClass(WellKnownClasses::java_lang_Throwable)->IsAssignableFrom(this); 323} 324 325bool Class::IsArtFieldClass() const { 326 Class* java_lang_Class = GetClass(); 327 Class* java_lang_reflect_ArtField = java_lang_Class->GetInstanceField(0)->GetClass(); 328 return this == java_lang_reflect_ArtField; 329} 330 331bool Class::IsArtMethodClass() const { 332 return this == ArtMethod::GetJavaLangReflectArtMethod(); 333} 334 335void Class::SetClassLoader(ClassLoader* new_class_loader) { 336 SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, class_loader_), new_class_loader, false); 337} 338 339ArtMethod* Class::FindInterfaceMethod(const StringPiece& name, const StringPiece& signature) const { 340 // Check the current class before checking the interfaces. 341 ArtMethod* method = FindDeclaredVirtualMethod(name, signature); 342 if (method != NULL) { 343 return method; 344 } 345 346 int32_t iftable_count = GetIfTableCount(); 347 IfTable* iftable = GetIfTable(); 348 for (int32_t i = 0; i < iftable_count; i++) { 349 method = iftable->GetInterface(i)->FindDeclaredVirtualMethod(name, signature); 350 if (method != NULL) { 351 return method; 352 } 353 } 354 return NULL; 355} 356 357ArtMethod* Class::FindInterfaceMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const { 358 // Check the current class before checking the interfaces. 359 ArtMethod* method = FindDeclaredVirtualMethod(dex_cache, dex_method_idx); 360 if (method != NULL) { 361 return method; 362 } 363 364 int32_t iftable_count = GetIfTableCount(); 365 IfTable* iftable = GetIfTable(); 366 for (int32_t i = 0; i < iftable_count; i++) { 367 method = iftable->GetInterface(i)->FindDeclaredVirtualMethod(dex_cache, dex_method_idx); 368 if (method != NULL) { 369 return method; 370 } 371 } 372 return NULL; 373} 374 375 376ArtMethod* Class::FindDeclaredDirectMethod(const StringPiece& name, const StringPiece& signature) const { 377 MethodHelper mh; 378 for (size_t i = 0; i < NumDirectMethods(); ++i) { 379 ArtMethod* method = GetDirectMethod(i); 380 mh.ChangeMethod(method); 381 if (name == mh.GetName() && signature == mh.GetSignature()) { 382 return method; 383 } 384 } 385 return NULL; 386} 387 388ArtMethod* Class::FindDeclaredDirectMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const { 389 if (GetDexCache() == dex_cache) { 390 for (size_t i = 0; i < NumDirectMethods(); ++i) { 391 ArtMethod* method = GetDirectMethod(i); 392 if (method->GetDexMethodIndex() == dex_method_idx) { 393 return method; 394 } 395 } 396 } 397 return NULL; 398} 399 400ArtMethod* Class::FindDirectMethod(const StringPiece& name, const StringPiece& signature) const { 401 for (const Class* klass = this; klass != NULL; klass = klass->GetSuperClass()) { 402 ArtMethod* method = klass->FindDeclaredDirectMethod(name, signature); 403 if (method != NULL) { 404 return method; 405 } 406 } 407 return NULL; 408} 409 410ArtMethod* Class::FindDirectMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const { 411 for (const Class* klass = this; klass != NULL; klass = klass->GetSuperClass()) { 412 ArtMethod* method = klass->FindDeclaredDirectMethod(dex_cache, dex_method_idx); 413 if (method != NULL) { 414 return method; 415 } 416 } 417 return NULL; 418} 419 420ArtMethod* Class::FindDeclaredVirtualMethod(const StringPiece& name, 421 const StringPiece& signature) const { 422 MethodHelper mh; 423 for (size_t i = 0; i < NumVirtualMethods(); ++i) { 424 ArtMethod* method = GetVirtualMethod(i); 425 mh.ChangeMethod(method); 426 if (name == mh.GetName() && signature == mh.GetSignature()) { 427 return method; 428 } 429 } 430 return NULL; 431} 432 433ArtMethod* Class::FindDeclaredVirtualMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const { 434 if (GetDexCache() == dex_cache) { 435 for (size_t i = 0; i < NumVirtualMethods(); ++i) { 436 ArtMethod* method = GetVirtualMethod(i); 437 if (method->GetDexMethodIndex() == dex_method_idx) { 438 return method; 439 } 440 } 441 } 442 return NULL; 443} 444 445ArtMethod* Class::FindVirtualMethod(const StringPiece& name, const StringPiece& signature) const { 446 for (const Class* klass = this; klass != NULL; klass = klass->GetSuperClass()) { 447 ArtMethod* method = klass->FindDeclaredVirtualMethod(name, signature); 448 if (method != NULL) { 449 return method; 450 } 451 } 452 return NULL; 453} 454 455ArtMethod* Class::FindVirtualMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const { 456 for (const Class* klass = this; klass != NULL; klass = klass->GetSuperClass()) { 457 ArtMethod* method = klass->FindDeclaredVirtualMethod(dex_cache, dex_method_idx); 458 if (method != NULL) { 459 return method; 460 } 461 } 462 return NULL; 463} 464 465ArtField* Class::FindDeclaredInstanceField(const StringPiece& name, const StringPiece& type) { 466 // Is the field in this class? 467 // Interfaces are not relevant because they can't contain instance fields. 468 FieldHelper fh; 469 for (size_t i = 0; i < NumInstanceFields(); ++i) { 470 ArtField* f = GetInstanceField(i); 471 fh.ChangeField(f); 472 if (name == fh.GetName() && type == fh.GetTypeDescriptor()) { 473 return f; 474 } 475 } 476 return NULL; 477} 478 479ArtField* Class::FindDeclaredInstanceField(const DexCache* dex_cache, uint32_t dex_field_idx) { 480 if (GetDexCache() == dex_cache) { 481 for (size_t i = 0; i < NumInstanceFields(); ++i) { 482 ArtField* f = GetInstanceField(i); 483 if (f->GetDexFieldIndex() == dex_field_idx) { 484 return f; 485 } 486 } 487 } 488 return NULL; 489} 490 491ArtField* Class::FindInstanceField(const StringPiece& name, const StringPiece& type) { 492 // Is the field in this class, or any of its superclasses? 493 // Interfaces are not relevant because they can't contain instance fields. 494 for (Class* c = this; c != NULL; c = c->GetSuperClass()) { 495 ArtField* f = c->FindDeclaredInstanceField(name, type); 496 if (f != NULL) { 497 return f; 498 } 499 } 500 return NULL; 501} 502 503ArtField* Class::FindInstanceField(const DexCache* dex_cache, uint32_t dex_field_idx) { 504 // Is the field in this class, or any of its superclasses? 505 // Interfaces are not relevant because they can't contain instance fields. 506 for (Class* c = this; c != NULL; c = c->GetSuperClass()) { 507 ArtField* f = c->FindDeclaredInstanceField(dex_cache, dex_field_idx); 508 if (f != NULL) { 509 return f; 510 } 511 } 512 return NULL; 513} 514 515ArtField* Class::FindDeclaredStaticField(const StringPiece& name, const StringPiece& type) { 516 DCHECK(type != NULL); 517 FieldHelper fh; 518 for (size_t i = 0; i < NumStaticFields(); ++i) { 519 ArtField* f = GetStaticField(i); 520 fh.ChangeField(f); 521 if (name == fh.GetName() && type == fh.GetTypeDescriptor()) { 522 return f; 523 } 524 } 525 return NULL; 526} 527 528ArtField* Class::FindDeclaredStaticField(const DexCache* dex_cache, uint32_t dex_field_idx) { 529 if (dex_cache == GetDexCache()) { 530 for (size_t i = 0; i < NumStaticFields(); ++i) { 531 ArtField* f = GetStaticField(i); 532 if (f->GetDexFieldIndex() == dex_field_idx) { 533 return f; 534 } 535 } 536 } 537 return NULL; 538} 539 540ArtField* Class::FindStaticField(const StringPiece& name, const StringPiece& type) { 541 // Is the field in this class (or its interfaces), or any of its 542 // superclasses (or their interfaces)? 543 ClassHelper kh; 544 for (Class* k = this; k != NULL; k = k->GetSuperClass()) { 545 // Is the field in this class? 546 ArtField* f = k->FindDeclaredStaticField(name, type); 547 if (f != NULL) { 548 return f; 549 } 550 // Is this field in any of this class' interfaces? 551 kh.ChangeClass(k); 552 for (uint32_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 553 Class* interface = kh.GetDirectInterface(i); 554 f = interface->FindStaticField(name, type); 555 if (f != NULL) { 556 return f; 557 } 558 } 559 } 560 return NULL; 561} 562 563ArtField* Class::FindStaticField(const DexCache* dex_cache, uint32_t dex_field_idx) { 564 ClassHelper kh; 565 for (Class* k = this; k != NULL; k = k->GetSuperClass()) { 566 // Is the field in this class? 567 ArtField* f = k->FindDeclaredStaticField(dex_cache, dex_field_idx); 568 if (f != NULL) { 569 return f; 570 } 571 // Is this field in any of this class' interfaces? 572 kh.ChangeClass(k); 573 for (uint32_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 574 Class* interface = kh.GetDirectInterface(i); 575 f = interface->FindStaticField(dex_cache, dex_field_idx); 576 if (f != NULL) { 577 return f; 578 } 579 } 580 } 581 return NULL; 582} 583 584ArtField* Class::FindField(const StringPiece& name, const StringPiece& type) { 585 // Find a field using the JLS field resolution order 586 ClassHelper kh; 587 for (Class* k = this; k != NULL; k = k->GetSuperClass()) { 588 // Is the field in this class? 589 ArtField* f = k->FindDeclaredInstanceField(name, type); 590 if (f != NULL) { 591 return f; 592 } 593 f = k->FindDeclaredStaticField(name, type); 594 if (f != NULL) { 595 return f; 596 } 597 // Is this field in any of this class' interfaces? 598 kh.ChangeClass(k); 599 for (uint32_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 600 Class* interface = kh.GetDirectInterface(i); 601 f = interface->FindStaticField(name, type); 602 if (f != NULL) { 603 return f; 604 } 605 } 606 } 607 return NULL; 608} 609 610static void SetPreverifiedFlagOnMethods(mirror::ObjectArray<mirror::ArtMethod>* methods) 611 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 612 if (methods != NULL) { 613 for (int32_t index = 0, end = methods->GetLength(); index < end; ++index) { 614 mirror::ArtMethod* method = methods->GetWithoutChecks(index); 615 DCHECK(method != NULL); 616 method->SetPreverified(); 617 } 618 } 619} 620 621void Class::SetPreverifiedFlagOnAllMethods() { 622 DCHECK(IsVerified()); 623 SetPreverifiedFlagOnMethods(GetDirectMethods()); 624 SetPreverifiedFlagOnMethods(GetVirtualMethods()); 625} 626 627} // namespace mirror 628} // namespace art 629