class.cc revision 7940e44f4517de5e2634a7e07d58d0fb26160513
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 "abstract_method-inl.h" 20#include "class-inl.h" 21#include "class_linker.h" 22#include "class_loader.h" 23#include "dex_cache.h" 24#include "dex_file-inl.h" 25#include "field-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) { 54 CHECK(new_status > GetStatus() || new_status == kStatusError || !Runtime::Current()->IsStarted()) 55 << PrettyClass(this) << " " << GetStatus() << " -> " << new_status; 56 CHECK(sizeof(Status) == sizeof(uint32_t)) << PrettyClass(this); 57 if (new_status > kStatusResolved) { 58 CHECK_EQ(GetThinLockId(), Thread::Current()->GetThinLockId()) << PrettyClass(this); 59 } 60 if (new_status == kStatusError) { 61 CHECK_NE(GetStatus(), kStatusError) << PrettyClass(this); 62 63 // Stash current exception. 64 Thread* self = Thread::Current(); 65 SirtRef<mirror::Object> old_throw_this_object(self, NULL); 66 SirtRef<mirror::AbstractMethod> old_throw_method(self, NULL); 67 SirtRef<mirror::Throwable> old_exception(self, NULL); 68 uint32_t old_throw_dex_pc; 69 { 70 ThrowLocation old_throw_location; 71 mirror::Throwable* old_exception_obj = self->GetException(&old_throw_location); 72 old_throw_this_object.reset(old_throw_location.GetThis()); 73 old_throw_method.reset(old_throw_location.GetMethod()); 74 old_exception.reset(old_exception_obj); 75 old_throw_dex_pc = old_throw_location.GetDexPc(); 76 self->ClearException(); 77 } 78 CHECK(old_exception.get() != NULL); 79 80 // clear exception to call FindSystemClass 81 self->ClearException(); 82 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 83 Class* eiie_class = class_linker->FindSystemClass("Ljava/lang/ExceptionInInitializerError;"); 84 CHECK(!self->IsExceptionPending()); 85 86 // Only verification errors, not initialization problems, should set a verify error. 87 // This is to ensure that ThrowEarlierClassFailure will throw NoClassDefFoundError in that case. 88 Class* exception_class = old_exception->GetClass(); 89 if (!eiie_class->IsAssignableFrom(exception_class)) { 90 SetVerifyErrorClass(exception_class); 91 } 92 93 // Restore exception. 94 ThrowLocation gc_safe_throw_location(old_throw_this_object.get(), old_throw_method.get(), 95 old_throw_dex_pc); 96 97 self->SetException(gc_safe_throw_location, old_exception.get()); 98 } 99 return SetField32(OFFSET_OF_OBJECT_MEMBER(Class, status_), new_status, false); 100} 101 102void Class::SetDexCache(DexCache* new_dex_cache) { 103 SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, dex_cache_), new_dex_cache, false); 104} 105 106Object* Class::AllocObject(Thread* self) { 107 DCHECK(!IsArrayClass()) << PrettyClass(this); 108 DCHECK(IsInstantiable()) << PrettyClass(this); 109 // TODO: decide whether we want this check. It currently fails during bootstrap. 110 // DCHECK(!Runtime::Current()->IsStarted() || IsInitializing()) << PrettyClass(this); 111 DCHECK_GE(this->object_size_, sizeof(Object)); 112 return Runtime::Current()->GetHeap()->AllocObject(self, this, this->object_size_); 113} 114 115void Class::SetClassSize(size_t new_class_size) { 116 DCHECK_GE(new_class_size, GetClassSize()) << " class=" << PrettyTypeOf(this); 117 SetField32(OFFSET_OF_OBJECT_MEMBER(Class, class_size_), new_class_size, false); 118} 119 120// Return the class' name. The exact format is bizarre, but it's the specified behavior for 121// Class.getName: keywords for primitive types, regular "[I" form for primitive arrays (so "int" 122// but "[I"), and arrays of reference types written between "L" and ";" but with dots rather than 123// slashes (so "java.lang.String" but "[Ljava.lang.String;"). Madness. 124String* Class::ComputeName() { 125 String* name = GetName(); 126 if (name != NULL) { 127 return name; 128 } 129 std::string descriptor(ClassHelper(this).GetDescriptor()); 130 if ((descriptor[0] != 'L') && (descriptor[0] != '[')) { 131 // The descriptor indicates that this is the class for 132 // a primitive type; special-case the return value. 133 const char* c_name = NULL; 134 switch (descriptor[0]) { 135 case 'Z': c_name = "boolean"; break; 136 case 'B': c_name = "byte"; break; 137 case 'C': c_name = "char"; break; 138 case 'S': c_name = "short"; break; 139 case 'I': c_name = "int"; break; 140 case 'J': c_name = "long"; break; 141 case 'F': c_name = "float"; break; 142 case 'D': c_name = "double"; break; 143 case 'V': c_name = "void"; break; 144 default: 145 LOG(FATAL) << "Unknown primitive type: " << PrintableChar(descriptor[0]); 146 } 147 name = String::AllocFromModifiedUtf8(Thread::Current(), c_name); 148 } else { 149 // Convert the UTF-8 name to a java.lang.String. The name must use '.' to separate package 150 // components. 151 if (descriptor.size() > 2 && descriptor[0] == 'L' && descriptor[descriptor.size() - 1] == ';') { 152 descriptor.erase(0, 1); 153 descriptor.erase(descriptor.size() - 1); 154 } 155 std::replace(descriptor.begin(), descriptor.end(), '/', '.'); 156 name = String::AllocFromModifiedUtf8(Thread::Current(), descriptor.c_str()); 157 } 158 SetName(name); 159 return name; 160} 161 162void Class::DumpClass(std::ostream& os, int flags) const { 163 if ((flags & kDumpClassFullDetail) == 0) { 164 os << PrettyClass(this); 165 if ((flags & kDumpClassClassLoader) != 0) { 166 os << ' ' << GetClassLoader(); 167 } 168 if ((flags & kDumpClassInitialized) != 0) { 169 os << ' ' << GetStatus(); 170 } 171 os << "\n"; 172 return; 173 } 174 175 Class* super = GetSuperClass(); 176 ClassHelper kh(this); 177 os << "----- " << (IsInterface() ? "interface" : "class") << " " 178 << "'" << kh.GetDescriptor() << "' cl=" << GetClassLoader() << " -----\n", 179 os << " objectSize=" << SizeOf() << " " 180 << "(" << (super != NULL ? super->SizeOf() : -1) << " from super)\n", 181 os << StringPrintf(" access=0x%04x.%04x\n", 182 GetAccessFlags() >> 16, GetAccessFlags() & kAccJavaFlagsMask); 183 if (super != NULL) { 184 os << " super='" << PrettyClass(super) << "' (cl=" << super->GetClassLoader() << ")\n"; 185 } 186 if (IsArrayClass()) { 187 os << " componentType=" << PrettyClass(GetComponentType()) << "\n"; 188 } 189 if (kh.NumDirectInterfaces() > 0) { 190 os << " interfaces (" << kh.NumDirectInterfaces() << "):\n"; 191 for (size_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 192 Class* interface = kh.GetDirectInterface(i); 193 const ClassLoader* cl = interface->GetClassLoader(); 194 os << StringPrintf(" %2zd: %s (cl=%p)\n", i, PrettyClass(interface).c_str(), cl); 195 } 196 } 197 os << " vtable (" << NumVirtualMethods() << " entries, " 198 << (super != NULL ? super->NumVirtualMethods() : 0) << " in super):\n"; 199 for (size_t i = 0; i < NumVirtualMethods(); ++i) { 200 os << StringPrintf(" %2zd: %s\n", i, PrettyMethod(GetVirtualMethodDuringLinking(i)).c_str()); 201 } 202 os << " direct methods (" << NumDirectMethods() << " entries):\n"; 203 for (size_t i = 0; i < NumDirectMethods(); ++i) { 204 os << StringPrintf(" %2zd: %s\n", i, PrettyMethod(GetDirectMethod(i)).c_str()); 205 } 206 if (NumStaticFields() > 0) { 207 os << " static fields (" << NumStaticFields() << " entries):\n"; 208 if (IsResolved() || IsErroneous()) { 209 for (size_t i = 0; i < NumStaticFields(); ++i) { 210 os << StringPrintf(" %2zd: %s\n", i, PrettyField(GetStaticField(i)).c_str()); 211 } 212 } else { 213 os << " <not yet available>"; 214 } 215 } 216 if (NumInstanceFields() > 0) { 217 os << " instance fields (" << NumInstanceFields() << " entries):\n"; 218 if (IsResolved() || IsErroneous()) { 219 for (size_t i = 0; i < NumInstanceFields(); ++i) { 220 os << StringPrintf(" %2zd: %s\n", i, PrettyField(GetInstanceField(i)).c_str()); 221 } 222 } else { 223 os << " <not yet available>"; 224 } 225 } 226} 227 228void Class::SetReferenceInstanceOffsets(uint32_t new_reference_offsets) { 229 if (new_reference_offsets != CLASS_WALK_SUPER) { 230 // Sanity check that the number of bits set in the reference offset bitmap 231 // agrees with the number of references 232 size_t count = 0; 233 for (Class* c = this; c != NULL; c = c->GetSuperClass()) { 234 count += c->NumReferenceInstanceFieldsDuringLinking(); 235 } 236 CHECK_EQ((size_t)__builtin_popcount(new_reference_offsets), count); 237 } 238 SetField32(OFFSET_OF_OBJECT_MEMBER(Class, reference_instance_offsets_), 239 new_reference_offsets, false); 240} 241 242void Class::SetReferenceStaticOffsets(uint32_t new_reference_offsets) { 243 if (new_reference_offsets != CLASS_WALK_SUPER) { 244 // Sanity check that the number of bits set in the reference offset bitmap 245 // agrees with the number of references 246 CHECK_EQ((size_t)__builtin_popcount(new_reference_offsets), 247 NumReferenceStaticFieldsDuringLinking()); 248 } 249 SetField32(OFFSET_OF_OBJECT_MEMBER(Class, reference_static_offsets_), 250 new_reference_offsets, false); 251} 252 253bool Class::IsInSamePackage(const StringPiece& descriptor1, const StringPiece& descriptor2) { 254 size_t i = 0; 255 while (descriptor1[i] != '\0' && descriptor1[i] == descriptor2[i]) { 256 ++i; 257 } 258 if (descriptor1.find('/', i) != StringPiece::npos || 259 descriptor2.find('/', i) != StringPiece::npos) { 260 return false; 261 } else { 262 return true; 263 } 264} 265 266bool Class::IsInSamePackage(const Class* that) const { 267 const Class* klass1 = this; 268 const Class* klass2 = that; 269 if (klass1 == klass2) { 270 return true; 271 } 272 // Class loaders must match. 273 if (klass1->GetClassLoader() != klass2->GetClassLoader()) { 274 return false; 275 } 276 // Arrays are in the same package when their element classes are. 277 while (klass1->IsArrayClass()) { 278 klass1 = klass1->GetComponentType(); 279 } 280 while (klass2->IsArrayClass()) { 281 klass2 = klass2->GetComponentType(); 282 } 283 // trivial check again for array types 284 if (klass1 == klass2) { 285 return true; 286 } 287 // Compare the package part of the descriptor string. 288 if (LIKELY(!klass1->IsProxyClass() && !klass2->IsProxyClass())) { 289 ClassHelper kh(klass1); 290 const DexFile* dex_file1 = &kh.GetDexFile(); 291 const DexFile::TypeId* type_id1 = &dex_file1->GetTypeId(klass1->GetDexTypeIndex()); 292 const char* descriptor1 = dex_file1->GetTypeDescriptor(*type_id1); 293 kh.ChangeClass(klass2); 294 const DexFile* dex_file2 = &kh.GetDexFile(); 295 const DexFile::TypeId* type_id2 = &dex_file2->GetTypeId(klass2->GetDexTypeIndex()); 296 const char* descriptor2 = dex_file2->GetTypeDescriptor(*type_id2); 297 return IsInSamePackage(descriptor1, descriptor2); 298 } 299 ClassHelper kh(klass1); 300 std::string descriptor1(kh.GetDescriptor()); 301 kh.ChangeClass(klass2); 302 std::string descriptor2(kh.GetDescriptor()); 303 return IsInSamePackage(descriptor1, descriptor2); 304} 305 306bool Class::IsClassClass() const { 307 Class* java_lang_Class = GetClass()->GetClass(); 308 return this == java_lang_Class; 309} 310 311bool Class::IsStringClass() const { 312 return this == String::GetJavaLangString(); 313} 314 315bool Class::IsThrowableClass() const { 316 return WellKnownClasses::ToClass(WellKnownClasses::java_lang_Throwable)->IsAssignableFrom(this); 317} 318 319bool Class::IsFieldClass() const { 320 Class* java_lang_Class = GetClass(); 321 Class* java_lang_reflect_Field = java_lang_Class->GetInstanceField(0)->GetClass(); 322 return this == java_lang_reflect_Field; 323 324} 325 326bool Class::IsMethodClass() const { 327 return (this == AbstractMethod::GetMethodClass()) || 328 (this == AbstractMethod::GetConstructorClass()); 329 330} 331 332void Class::SetClassLoader(ClassLoader* new_class_loader) { 333 SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Class, class_loader_), new_class_loader, false); 334} 335 336AbstractMethod* Class::FindInterfaceMethod(const StringPiece& name, const StringPiece& signature) const { 337 // Check the current class before checking the interfaces. 338 AbstractMethod* method = FindDeclaredVirtualMethod(name, signature); 339 if (method != NULL) { 340 return method; 341 } 342 343 int32_t iftable_count = GetIfTableCount(); 344 IfTable* iftable = GetIfTable(); 345 for (int32_t i = 0; i < iftable_count; i++) { 346 method = iftable->GetInterface(i)->FindDeclaredVirtualMethod(name, signature); 347 if (method != NULL) { 348 return method; 349 } 350 } 351 return NULL; 352} 353 354AbstractMethod* Class::FindInterfaceMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const { 355 // Check the current class before checking the interfaces. 356 AbstractMethod* method = FindDeclaredVirtualMethod(dex_cache, dex_method_idx); 357 if (method != NULL) { 358 return method; 359 } 360 361 int32_t iftable_count = GetIfTableCount(); 362 IfTable* iftable = GetIfTable(); 363 for (int32_t i = 0; i < iftable_count; i++) { 364 method = iftable->GetInterface(i)->FindDeclaredVirtualMethod(dex_cache, dex_method_idx); 365 if (method != NULL) { 366 return method; 367 } 368 } 369 return NULL; 370} 371 372 373AbstractMethod* Class::FindDeclaredDirectMethod(const StringPiece& name, const StringPiece& signature) const { 374 MethodHelper mh; 375 for (size_t i = 0; i < NumDirectMethods(); ++i) { 376 AbstractMethod* method = GetDirectMethod(i); 377 mh.ChangeMethod(method); 378 if (name == mh.GetName() && signature == mh.GetSignature()) { 379 return method; 380 } 381 } 382 return NULL; 383} 384 385AbstractMethod* Class::FindDeclaredDirectMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const { 386 if (GetDexCache() == dex_cache) { 387 for (size_t i = 0; i < NumDirectMethods(); ++i) { 388 AbstractMethod* method = GetDirectMethod(i); 389 if (method->GetDexMethodIndex() == dex_method_idx) { 390 return method; 391 } 392 } 393 } 394 return NULL; 395} 396 397AbstractMethod* Class::FindDirectMethod(const StringPiece& name, const StringPiece& signature) const { 398 for (const Class* klass = this; klass != NULL; klass = klass->GetSuperClass()) { 399 AbstractMethod* method = klass->FindDeclaredDirectMethod(name, signature); 400 if (method != NULL) { 401 return method; 402 } 403 } 404 return NULL; 405} 406 407AbstractMethod* Class::FindDirectMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const { 408 for (const Class* klass = this; klass != NULL; klass = klass->GetSuperClass()) { 409 AbstractMethod* method = klass->FindDeclaredDirectMethod(dex_cache, dex_method_idx); 410 if (method != NULL) { 411 return method; 412 } 413 } 414 return NULL; 415} 416 417AbstractMethod* Class::FindDeclaredVirtualMethod(const StringPiece& name, 418 const StringPiece& signature) const { 419 MethodHelper mh; 420 for (size_t i = 0; i < NumVirtualMethods(); ++i) { 421 AbstractMethod* method = GetVirtualMethod(i); 422 mh.ChangeMethod(method); 423 if (name == mh.GetName() && signature == mh.GetSignature()) { 424 return method; 425 } 426 } 427 return NULL; 428} 429 430AbstractMethod* Class::FindDeclaredVirtualMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const { 431 if (GetDexCache() == dex_cache) { 432 for (size_t i = 0; i < NumVirtualMethods(); ++i) { 433 AbstractMethod* method = GetVirtualMethod(i); 434 if (method->GetDexMethodIndex() == dex_method_idx) { 435 return method; 436 } 437 } 438 } 439 return NULL; 440} 441 442AbstractMethod* Class::FindVirtualMethod(const StringPiece& name, const StringPiece& signature) const { 443 for (const Class* klass = this; klass != NULL; klass = klass->GetSuperClass()) { 444 AbstractMethod* method = klass->FindDeclaredVirtualMethod(name, signature); 445 if (method != NULL) { 446 return method; 447 } 448 } 449 return NULL; 450} 451 452AbstractMethod* Class::FindVirtualMethod(const DexCache* dex_cache, uint32_t dex_method_idx) const { 453 for (const Class* klass = this; klass != NULL; klass = klass->GetSuperClass()) { 454 AbstractMethod* method = klass->FindDeclaredVirtualMethod(dex_cache, dex_method_idx); 455 if (method != NULL) { 456 return method; 457 } 458 } 459 return NULL; 460} 461 462Field* Class::FindDeclaredInstanceField(const StringPiece& name, const StringPiece& type) { 463 // Is the field in this class? 464 // Interfaces are not relevant because they can't contain instance fields. 465 FieldHelper fh; 466 for (size_t i = 0; i < NumInstanceFields(); ++i) { 467 Field* f = GetInstanceField(i); 468 fh.ChangeField(f); 469 if (name == fh.GetName() && type == fh.GetTypeDescriptor()) { 470 return f; 471 } 472 } 473 return NULL; 474} 475 476Field* Class::FindDeclaredInstanceField(const DexCache* dex_cache, uint32_t dex_field_idx) { 477 if (GetDexCache() == dex_cache) { 478 for (size_t i = 0; i < NumInstanceFields(); ++i) { 479 Field* f = GetInstanceField(i); 480 if (f->GetDexFieldIndex() == dex_field_idx) { 481 return f; 482 } 483 } 484 } 485 return NULL; 486} 487 488Field* Class::FindInstanceField(const StringPiece& name, const StringPiece& type) { 489 // Is the field in this class, or any of its superclasses? 490 // Interfaces are not relevant because they can't contain instance fields. 491 for (Class* c = this; c != NULL; c = c->GetSuperClass()) { 492 Field* f = c->FindDeclaredInstanceField(name, type); 493 if (f != NULL) { 494 return f; 495 } 496 } 497 return NULL; 498} 499 500Field* Class::FindInstanceField(const DexCache* dex_cache, uint32_t dex_field_idx) { 501 // Is the field in this class, or any of its superclasses? 502 // Interfaces are not relevant because they can't contain instance fields. 503 for (Class* c = this; c != NULL; c = c->GetSuperClass()) { 504 Field* f = c->FindDeclaredInstanceField(dex_cache, dex_field_idx); 505 if (f != NULL) { 506 return f; 507 } 508 } 509 return NULL; 510} 511 512Field* Class::FindDeclaredStaticField(const StringPiece& name, const StringPiece& type) { 513 DCHECK(type != NULL); 514 FieldHelper fh; 515 for (size_t i = 0; i < NumStaticFields(); ++i) { 516 Field* f = GetStaticField(i); 517 fh.ChangeField(f); 518 if (name == fh.GetName() && type == fh.GetTypeDescriptor()) { 519 return f; 520 } 521 } 522 return NULL; 523} 524 525Field* Class::FindDeclaredStaticField(const DexCache* dex_cache, uint32_t dex_field_idx) { 526 if (dex_cache == GetDexCache()) { 527 for (size_t i = 0; i < NumStaticFields(); ++i) { 528 Field* f = GetStaticField(i); 529 if (f->GetDexFieldIndex() == dex_field_idx) { 530 return f; 531 } 532 } 533 } 534 return NULL; 535} 536 537Field* Class::FindStaticField(const StringPiece& name, const StringPiece& type) { 538 // Is the field in this class (or its interfaces), or any of its 539 // superclasses (or their interfaces)? 540 ClassHelper kh; 541 for (Class* k = this; k != NULL; k = k->GetSuperClass()) { 542 // Is the field in this class? 543 Field* f = k->FindDeclaredStaticField(name, type); 544 if (f != NULL) { 545 return f; 546 } 547 // Is this field in any of this class' interfaces? 548 kh.ChangeClass(k); 549 for (uint32_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 550 Class* interface = kh.GetDirectInterface(i); 551 f = interface->FindStaticField(name, type); 552 if (f != NULL) { 553 return f; 554 } 555 } 556 } 557 return NULL; 558} 559 560Field* Class::FindStaticField(const DexCache* dex_cache, uint32_t dex_field_idx) { 561 ClassHelper kh; 562 for (Class* k = this; k != NULL; k = k->GetSuperClass()) { 563 // Is the field in this class? 564 Field* f = k->FindDeclaredStaticField(dex_cache, dex_field_idx); 565 if (f != NULL) { 566 return f; 567 } 568 // Is this field in any of this class' interfaces? 569 kh.ChangeClass(k); 570 for (uint32_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 571 Class* interface = kh.GetDirectInterface(i); 572 f = interface->FindStaticField(dex_cache, dex_field_idx); 573 if (f != NULL) { 574 return f; 575 } 576 } 577 } 578 return NULL; 579} 580 581Field* Class::FindField(const StringPiece& name, const StringPiece& type) { 582 // Find a field using the JLS field resolution order 583 ClassHelper kh; 584 for (Class* k = this; k != NULL; k = k->GetSuperClass()) { 585 // Is the field in this class? 586 Field* f = k->FindDeclaredInstanceField(name, type); 587 if (f != NULL) { 588 return f; 589 } 590 f = k->FindDeclaredStaticField(name, type); 591 if (f != NULL) { 592 return f; 593 } 594 // Is this field in any of this class' interfaces? 595 kh.ChangeClass(k); 596 for (uint32_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 597 Class* interface = kh.GetDirectInterface(i); 598 f = interface->FindStaticField(name, type); 599 if (f != NULL) { 600 return f; 601 } 602 } 603 } 604 return NULL; 605} 606 607static void SetPreverifiedFlagOnMethods(mirror::ObjectArray<mirror::AbstractMethod>* methods) 608 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 609 if (methods != NULL) { 610 for (int32_t index = 0, end = methods->GetLength(); index < end; ++index) { 611 mirror::AbstractMethod* method = methods->GetWithoutChecks(index); 612 DCHECK(method != NULL); 613 method->SetPreverified(); 614 } 615 } 616} 617 618void Class::SetPreverifiedFlagOnAllMethods() { 619 DCHECK(IsVerified()); 620 SetPreverifiedFlagOnMethods(GetDirectMethods()); 621 SetPreverifiedFlagOnMethods(GetVirtualMethods()); 622} 623 624} // namespace mirror 625} // namespace art 626