1 /* 2 * Copyright (C) 2012 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 "interpreter_common.h" 18 19 #include "field_helper.h" 20 #include "mirror/array-inl.h" 21 22 namespace art { 23 namespace interpreter { 24 25 void ThrowNullPointerExceptionFromInterpreter(const ShadowFrame& shadow_frame) { 26 ThrowNullPointerExceptionFromDexPC(shadow_frame.GetCurrentLocationForThrow()); 27 } 28 29 template<FindFieldType find_type, Primitive::Type field_type, bool do_access_check> 30 bool DoFieldGet(Thread* self, ShadowFrame& shadow_frame, const Instruction* inst, 31 uint16_t inst_data) { 32 const bool is_static = (find_type == StaticObjectRead) || (find_type == StaticPrimitiveRead); 33 const uint32_t field_idx = is_static ? inst->VRegB_21c() : inst->VRegC_22c(); 34 ArtField* f = FindFieldFromCode<find_type, do_access_check>(field_idx, shadow_frame.GetMethod(), self, 35 Primitive::FieldSize(field_type)); 36 if (UNLIKELY(f == nullptr)) { 37 CHECK(self->IsExceptionPending()); 38 return false; 39 } 40 Object* obj; 41 if (is_static) { 42 obj = f->GetDeclaringClass(); 43 } else { 44 obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data)); 45 if (UNLIKELY(obj == nullptr)) { 46 ThrowNullPointerExceptionForFieldAccess(shadow_frame.GetCurrentLocationForThrow(), f, true); 47 return false; 48 } 49 } 50 f->GetDeclaringClass()->AssertInitializedOrInitializingInThread(self); 51 // Report this field access to instrumentation if needed. 52 instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 53 if (UNLIKELY(instrumentation->HasFieldReadListeners())) { 54 Object* this_object = f->IsStatic() ? nullptr : obj; 55 instrumentation->FieldReadEvent(self, this_object, shadow_frame.GetMethod(), 56 shadow_frame.GetDexPC(), f); 57 } 58 uint32_t vregA = is_static ? inst->VRegA_21c(inst_data) : inst->VRegA_22c(inst_data); 59 switch (field_type) { 60 case Primitive::kPrimBoolean: 61 shadow_frame.SetVReg(vregA, f->GetBoolean(obj)); 62 break; 63 case Primitive::kPrimByte: 64 shadow_frame.SetVReg(vregA, f->GetByte(obj)); 65 break; 66 case Primitive::kPrimChar: 67 shadow_frame.SetVReg(vregA, f->GetChar(obj)); 68 break; 69 case Primitive::kPrimShort: 70 shadow_frame.SetVReg(vregA, f->GetShort(obj)); 71 break; 72 case Primitive::kPrimInt: 73 shadow_frame.SetVReg(vregA, f->GetInt(obj)); 74 break; 75 case Primitive::kPrimLong: 76 shadow_frame.SetVRegLong(vregA, f->GetLong(obj)); 77 break; 78 case Primitive::kPrimNot: 79 shadow_frame.SetVRegReference(vregA, f->GetObject(obj)); 80 break; 81 default: 82 LOG(FATAL) << "Unreachable: " << field_type; 83 } 84 return true; 85 } 86 87 // Explicitly instantiate all DoFieldGet functions. 88 #define EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, _do_check) \ 89 template bool DoFieldGet<_find_type, _field_type, _do_check>(Thread* self, \ 90 ShadowFrame& shadow_frame, \ 91 const Instruction* inst, \ 92 uint16_t inst_data) 93 94 #define EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(_find_type, _field_type) \ 95 EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, false); \ 96 EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, true); 97 98 // iget-XXX 99 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimBoolean); 100 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimByte); 101 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimChar); 102 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimShort); 103 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimInt); 104 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimLong); 105 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstanceObjectRead, Primitive::kPrimNot); 106 107 // sget-XXX 108 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimBoolean); 109 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimByte); 110 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimChar); 111 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimShort); 112 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimInt); 113 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimLong); 114 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticObjectRead, Primitive::kPrimNot); 115 116 #undef EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL 117 #undef EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL 118 119 // Handles iget-quick, iget-wide-quick and iget-object-quick instructions. 120 // Returns true on success, otherwise throws an exception and returns false. 121 template<Primitive::Type field_type> 122 bool DoIGetQuick(ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) { 123 Object* obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data)); 124 if (UNLIKELY(obj == nullptr)) { 125 // We lost the reference to the field index so we cannot get a more 126 // precised exception message. 127 ThrowNullPointerExceptionFromDexPC(shadow_frame.GetCurrentLocationForThrow()); 128 return false; 129 } 130 MemberOffset field_offset(inst->VRegC_22c()); 131 // Report this field access to instrumentation if needed. Since we only have the offset of 132 // the field from the base of the object, we need to look for it first. 133 instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 134 if (UNLIKELY(instrumentation->HasFieldReadListeners())) { 135 ArtField* f = ArtField::FindInstanceFieldWithOffset(obj->GetClass(), 136 field_offset.Uint32Value()); 137 DCHECK(f != nullptr); 138 DCHECK(!f->IsStatic()); 139 instrumentation->FieldReadEvent(Thread::Current(), obj, shadow_frame.GetMethod(), 140 shadow_frame.GetDexPC(), f); 141 } 142 // Note: iget-x-quick instructions are only for non-volatile fields. 143 const uint32_t vregA = inst->VRegA_22c(inst_data); 144 switch (field_type) { 145 case Primitive::kPrimInt: 146 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetField32(field_offset))); 147 break; 148 case Primitive::kPrimLong: 149 shadow_frame.SetVRegLong(vregA, static_cast<int64_t>(obj->GetField64(field_offset))); 150 break; 151 case Primitive::kPrimNot: 152 shadow_frame.SetVRegReference(vregA, obj->GetFieldObject<mirror::Object>(field_offset)); 153 break; 154 default: 155 LOG(FATAL) << "Unreachable: " << field_type; 156 } 157 return true; 158 } 159 160 // Explicitly instantiate all DoIGetQuick functions. 161 #define EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(_field_type) \ 162 template bool DoIGetQuick<_field_type>(ShadowFrame& shadow_frame, const Instruction* inst, \ 163 uint16_t inst_data) 164 165 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimInt); // iget-quick. 166 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimLong); // iget-wide-quick. 167 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimNot); // iget-object-quick. 168 #undef EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL 169 170 template<Primitive::Type field_type> 171 static JValue GetFieldValue(const ShadowFrame& shadow_frame, uint32_t vreg) 172 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 173 JValue field_value; 174 switch (field_type) { 175 case Primitive::kPrimBoolean: 176 field_value.SetZ(static_cast<uint8_t>(shadow_frame.GetVReg(vreg))); 177 break; 178 case Primitive::kPrimByte: 179 field_value.SetB(static_cast<int8_t>(shadow_frame.GetVReg(vreg))); 180 break; 181 case Primitive::kPrimChar: 182 field_value.SetC(static_cast<uint16_t>(shadow_frame.GetVReg(vreg))); 183 break; 184 case Primitive::kPrimShort: 185 field_value.SetS(static_cast<int16_t>(shadow_frame.GetVReg(vreg))); 186 break; 187 case Primitive::kPrimInt: 188 field_value.SetI(shadow_frame.GetVReg(vreg)); 189 break; 190 case Primitive::kPrimLong: 191 field_value.SetJ(shadow_frame.GetVRegLong(vreg)); 192 break; 193 case Primitive::kPrimNot: 194 field_value.SetL(shadow_frame.GetVRegReference(vreg)); 195 break; 196 default: 197 LOG(FATAL) << "Unreachable: " << field_type; 198 break; 199 } 200 return field_value; 201 } 202 203 template<FindFieldType find_type, Primitive::Type field_type, bool do_access_check, 204 bool transaction_active> 205 bool DoFieldPut(Thread* self, const ShadowFrame& shadow_frame, const Instruction* inst, 206 uint16_t inst_data) { 207 bool do_assignability_check = do_access_check; 208 bool is_static = (find_type == StaticObjectWrite) || (find_type == StaticPrimitiveWrite); 209 uint32_t field_idx = is_static ? inst->VRegB_21c() : inst->VRegC_22c(); 210 ArtField* f = FindFieldFromCode<find_type, do_access_check>(field_idx, shadow_frame.GetMethod(), self, 211 Primitive::FieldSize(field_type)); 212 if (UNLIKELY(f == nullptr)) { 213 CHECK(self->IsExceptionPending()); 214 return false; 215 } 216 Object* obj; 217 if (is_static) { 218 obj = f->GetDeclaringClass(); 219 } else { 220 obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data)); 221 if (UNLIKELY(obj == nullptr)) { 222 ThrowNullPointerExceptionForFieldAccess(shadow_frame.GetCurrentLocationForThrow(), 223 f, false); 224 return false; 225 } 226 } 227 f->GetDeclaringClass()->AssertInitializedOrInitializingInThread(self); 228 uint32_t vregA = is_static ? inst->VRegA_21c(inst_data) : inst->VRegA_22c(inst_data); 229 // Report this field access to instrumentation if needed. Since we only have the offset of 230 // the field from the base of the object, we need to look for it first. 231 instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 232 if (UNLIKELY(instrumentation->HasFieldWriteListeners())) { 233 JValue field_value = GetFieldValue<field_type>(shadow_frame, vregA); 234 Object* this_object = f->IsStatic() ? nullptr : obj; 235 instrumentation->FieldWriteEvent(self, this_object, shadow_frame.GetMethod(), 236 shadow_frame.GetDexPC(), f, field_value); 237 } 238 switch (field_type) { 239 case Primitive::kPrimBoolean: 240 f->SetBoolean<transaction_active>(obj, shadow_frame.GetVReg(vregA)); 241 break; 242 case Primitive::kPrimByte: 243 f->SetByte<transaction_active>(obj, shadow_frame.GetVReg(vregA)); 244 break; 245 case Primitive::kPrimChar: 246 f->SetChar<transaction_active>(obj, shadow_frame.GetVReg(vregA)); 247 break; 248 case Primitive::kPrimShort: 249 f->SetShort<transaction_active>(obj, shadow_frame.GetVReg(vregA)); 250 break; 251 case Primitive::kPrimInt: 252 f->SetInt<transaction_active>(obj, shadow_frame.GetVReg(vregA)); 253 break; 254 case Primitive::kPrimLong: 255 f->SetLong<transaction_active>(obj, shadow_frame.GetVRegLong(vregA)); 256 break; 257 case Primitive::kPrimNot: { 258 Object* reg = shadow_frame.GetVRegReference(vregA); 259 if (do_assignability_check && reg != nullptr) { 260 // FieldHelper::GetType can resolve classes, use a handle wrapper which will restore the 261 // object in the destructor. 262 Class* field_class; 263 { 264 StackHandleScope<3> hs(self); 265 HandleWrapper<mirror::ArtField> h_f(hs.NewHandleWrapper(&f)); 266 HandleWrapper<mirror::Object> h_reg(hs.NewHandleWrapper(®)); 267 HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&obj)); 268 FieldHelper fh(h_f); 269 field_class = fh.GetType(); 270 } 271 if (!reg->VerifierInstanceOf(field_class)) { 272 // This should never happen. 273 std::string temp1, temp2, temp3; 274 self->ThrowNewExceptionF(self->GetCurrentLocationForThrow(), 275 "Ljava/lang/VirtualMachineError;", 276 "Put '%s' that is not instance of field '%s' in '%s'", 277 reg->GetClass()->GetDescriptor(&temp1), 278 field_class->GetDescriptor(&temp2), 279 f->GetDeclaringClass()->GetDescriptor(&temp3)); 280 return false; 281 } 282 } 283 f->SetObj<transaction_active>(obj, reg); 284 break; 285 } 286 default: 287 LOG(FATAL) << "Unreachable: " << field_type; 288 } 289 return true; 290 } 291 292 // Explicitly instantiate all DoFieldPut functions. 293 #define EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, _do_check, _transaction_active) \ 294 template bool DoFieldPut<_find_type, _field_type, _do_check, _transaction_active>(Thread* self, \ 295 const ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) 296 297 #define EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(_find_type, _field_type) \ 298 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, false, false); \ 299 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, true, false); \ 300 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, false, true); \ 301 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, true, true); 302 303 // iput-XXX 304 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimBoolean); 305 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimByte); 306 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimChar); 307 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimShort); 308 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimInt); 309 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimLong); 310 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstanceObjectWrite, Primitive::kPrimNot); 311 312 // sput-XXX 313 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimBoolean); 314 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimByte); 315 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimChar); 316 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimShort); 317 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimInt); 318 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimLong); 319 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticObjectWrite, Primitive::kPrimNot); 320 321 #undef EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL 322 #undef EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL 323 324 template<Primitive::Type field_type, bool transaction_active> 325 bool DoIPutQuick(const ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) { 326 Object* obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data)); 327 if (UNLIKELY(obj == nullptr)) { 328 // We lost the reference to the field index so we cannot get a more 329 // precised exception message. 330 ThrowNullPointerExceptionFromDexPC(shadow_frame.GetCurrentLocationForThrow()); 331 return false; 332 } 333 MemberOffset field_offset(inst->VRegC_22c()); 334 const uint32_t vregA = inst->VRegA_22c(inst_data); 335 // Report this field modification to instrumentation if needed. Since we only have the offset of 336 // the field from the base of the object, we need to look for it first. 337 instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 338 if (UNLIKELY(instrumentation->HasFieldWriteListeners())) { 339 ArtField* f = ArtField::FindInstanceFieldWithOffset(obj->GetClass(), 340 field_offset.Uint32Value()); 341 DCHECK(f != nullptr); 342 DCHECK(!f->IsStatic()); 343 JValue field_value = GetFieldValue<field_type>(shadow_frame, vregA); 344 instrumentation->FieldWriteEvent(Thread::Current(), obj, shadow_frame.GetMethod(), 345 shadow_frame.GetDexPC(), f, field_value); 346 } 347 // Note: iput-x-quick instructions are only for non-volatile fields. 348 switch (field_type) { 349 case Primitive::kPrimInt: 350 obj->SetField32<transaction_active>(field_offset, shadow_frame.GetVReg(vregA)); 351 break; 352 case Primitive::kPrimLong: 353 obj->SetField64<transaction_active>(field_offset, shadow_frame.GetVRegLong(vregA)); 354 break; 355 case Primitive::kPrimNot: 356 obj->SetFieldObject<transaction_active>(field_offset, shadow_frame.GetVRegReference(vregA)); 357 break; 358 default: 359 LOG(FATAL) << "Unreachable: " << field_type; 360 } 361 return true; 362 } 363 364 // Explicitly instantiate all DoIPutQuick functions. 365 #define EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, _transaction_active) \ 366 template bool DoIPutQuick<_field_type, _transaction_active>(const ShadowFrame& shadow_frame, \ 367 const Instruction* inst, \ 368 uint16_t inst_data) 369 370 #define EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(_field_type) \ 371 EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, false); \ 372 EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, true); 373 374 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimInt); // iget-quick. 375 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimLong); // iget-wide-quick. 376 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimNot); // iget-object-quick. 377 #undef EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL 378 #undef EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL 379 380 /** 381 * Finds the location where this exception will be caught. We search until we reach either the top 382 * frame or a native frame, in which cases this exception is considered uncaught. 383 */ 384 class CatchLocationFinder : public StackVisitor { 385 public: 386 explicit CatchLocationFinder(Thread* self, Handle<mirror::Throwable>* exception) 387 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 388 : StackVisitor(self, nullptr), self_(self), handle_scope_(self), exception_(exception), 389 catch_method_(handle_scope_.NewHandle<mirror::ArtMethod>(nullptr)), 390 catch_dex_pc_(DexFile::kDexNoIndex), clear_exception_(false) { 391 } 392 393 bool VisitFrame() OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 394 mirror::ArtMethod* method = GetMethod(); 395 if (method == nullptr) { 396 return true; 397 } 398 if (method->IsRuntimeMethod()) { 399 // Ignore callee save method. 400 DCHECK(method->IsCalleeSaveMethod()); 401 return true; 402 } 403 if (method->IsNative()) { 404 return false; // End stack walk. 405 } 406 DCHECK(!method->IsNative()); 407 uint32_t dex_pc = GetDexPc(); 408 if (dex_pc != DexFile::kDexNoIndex) { 409 uint32_t found_dex_pc; 410 { 411 StackHandleScope<3> hs(self_); 412 Handle<mirror::Class> exception_class(hs.NewHandle((*exception_)->GetClass())); 413 Handle<mirror::ArtMethod> h_method(hs.NewHandle(method)); 414 found_dex_pc = mirror::ArtMethod::FindCatchBlock(h_method, exception_class, dex_pc, 415 &clear_exception_); 416 } 417 if (found_dex_pc != DexFile::kDexNoIndex) { 418 catch_method_.Assign(method); 419 catch_dex_pc_ = found_dex_pc; 420 return false; // End stack walk. 421 } 422 } 423 return true; // Continue stack walk. 424 } 425 426 ArtMethod* GetCatchMethod() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 427 return catch_method_.Get(); 428 } 429 430 uint32_t GetCatchDexPc() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 431 return catch_dex_pc_; 432 } 433 434 bool NeedClearException() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 435 return clear_exception_; 436 } 437 438 private: 439 Thread* const self_; 440 StackHandleScope<1> handle_scope_; 441 Handle<mirror::Throwable>* exception_; 442 Handle<mirror::ArtMethod> catch_method_; 443 uint32_t catch_dex_pc_; 444 bool clear_exception_; 445 446 447 DISALLOW_COPY_AND_ASSIGN(CatchLocationFinder); 448 }; 449 450 uint32_t FindNextInstructionFollowingException(Thread* self, 451 ShadowFrame& shadow_frame, 452 uint32_t dex_pc, 453 const instrumentation::Instrumentation* instrumentation) { 454 self->VerifyStack(); 455 ThrowLocation throw_location; 456 StackHandleScope<3> hs(self); 457 Handle<mirror::Throwable> exception(hs.NewHandle(self->GetException(&throw_location))); 458 if (!self->IsExceptionReportedToInstrumentation() && instrumentation->HasExceptionCaughtListeners()) { 459 CatchLocationFinder clf(self, &exception); 460 clf.WalkStack(false); 461 instrumentation->ExceptionCaughtEvent(self, throw_location, clf.GetCatchMethod(), 462 clf.GetCatchDexPc(), exception.Get()); 463 self->SetExceptionReportedToInstrumentation(true); 464 } 465 bool clear_exception = false; 466 uint32_t found_dex_pc; 467 { 468 Handle<mirror::Class> exception_class(hs.NewHandle(exception->GetClass())); 469 Handle<mirror::ArtMethod> h_method(hs.NewHandle(shadow_frame.GetMethod())); 470 found_dex_pc = mirror::ArtMethod::FindCatchBlock(h_method, exception_class, dex_pc, 471 &clear_exception); 472 } 473 if (found_dex_pc == DexFile::kDexNoIndex) { 474 instrumentation->MethodUnwindEvent(self, shadow_frame.GetThisObject(), 475 shadow_frame.GetMethod(), dex_pc); 476 } else { 477 if (self->IsExceptionReportedToInstrumentation()) { 478 instrumentation->MethodUnwindEvent(self, shadow_frame.GetThisObject(), 479 shadow_frame.GetMethod(), dex_pc); 480 } 481 if (clear_exception) { 482 self->ClearException(); 483 } 484 } 485 return found_dex_pc; 486 } 487 488 void UnexpectedOpcode(const Instruction* inst, MethodHelper& mh) { 489 LOG(FATAL) << "Unexpected instruction: " << inst->DumpString(mh.GetMethod()->GetDexFile()); 490 exit(0); // Unreachable, keep GCC happy. 491 } 492 493 static void UnstartedRuntimeInvoke(Thread* self, MethodHelper& mh, 494 const DexFile::CodeItem* code_item, ShadowFrame* shadow_frame, 495 JValue* result, size_t arg_offset) 496 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); 497 498 // Assign register 'src_reg' from shadow_frame to register 'dest_reg' into new_shadow_frame. 499 static inline void AssignRegister(ShadowFrame* new_shadow_frame, const ShadowFrame& shadow_frame, 500 size_t dest_reg, size_t src_reg) 501 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 502 // If both register locations contains the same value, the register probably holds a reference. 503 // Uint required, so that sign extension does not make this wrong on 64b systems 504 uint32_t src_value = shadow_frame.GetVReg(src_reg); 505 mirror::Object* o = shadow_frame.GetVRegReference<kVerifyNone>(src_reg); 506 if (src_value == reinterpret_cast<uintptr_t>(o)) { 507 new_shadow_frame->SetVRegReference(dest_reg, o); 508 } else { 509 new_shadow_frame->SetVReg(dest_reg, src_value); 510 } 511 } 512 513 void AbortTransaction(Thread* self, const char* fmt, ...) { 514 CHECK(Runtime::Current()->IsActiveTransaction()); 515 // Throw an exception so we can abort the transaction and undo every change. 516 va_list args; 517 va_start(args, fmt); 518 self->ThrowNewExceptionV(self->GetCurrentLocationForThrow(), "Ljava/lang/InternalError;", fmt, 519 args); 520 va_end(args); 521 } 522 523 template<bool is_range, bool do_assignability_check> 524 bool DoCall(ArtMethod* method, Thread* self, ShadowFrame& shadow_frame, 525 const Instruction* inst, uint16_t inst_data, JValue* result) { 526 // Compute method information. 527 const DexFile::CodeItem* code_item = method->GetCodeItem(); 528 const uint16_t num_ins = (is_range) ? inst->VRegA_3rc(inst_data) : inst->VRegA_35c(inst_data); 529 uint16_t num_regs; 530 if (LIKELY(code_item != NULL)) { 531 num_regs = code_item->registers_size_; 532 DCHECK_EQ(num_ins, code_item->ins_size_); 533 } else { 534 DCHECK(method->IsNative() || method->IsProxyMethod()); 535 num_regs = num_ins; 536 } 537 538 // Allocate shadow frame on the stack. 539 const char* old_cause = self->StartAssertNoThreadSuspension("DoCall"); 540 void* memory = alloca(ShadowFrame::ComputeSize(num_regs)); 541 ShadowFrame* new_shadow_frame(ShadowFrame::Create(num_regs, &shadow_frame, method, 0, memory)); 542 543 // Initialize new shadow frame. 544 const size_t first_dest_reg = num_regs - num_ins; 545 StackHandleScope<1> hs(self); 546 MethodHelper mh(hs.NewHandle(method)); 547 if (do_assignability_check) { 548 // Slow path. 549 // We might need to do class loading, which incurs a thread state change to kNative. So 550 // register the shadow frame as under construction and allow suspension again. 551 self->SetShadowFrameUnderConstruction(new_shadow_frame); 552 self->EndAssertNoThreadSuspension(old_cause); 553 554 // We need to do runtime check on reference assignment. We need to load the shorty 555 // to get the exact type of each reference argument. 556 const DexFile::TypeList* params = method->GetParameterTypeList(); 557 uint32_t shorty_len = 0; 558 const char* shorty = method->GetShorty(&shorty_len); 559 560 // TODO: find a cleaner way to separate non-range and range information without duplicating code. 561 uint32_t arg[5]; // only used in invoke-XXX. 562 uint32_t vregC; // only used in invoke-XXX-range. 563 if (is_range) { 564 vregC = inst->VRegC_3rc(); 565 } else { 566 inst->GetVarArgs(arg, inst_data); 567 } 568 569 // Handle receiver apart since it's not part of the shorty. 570 size_t dest_reg = first_dest_reg; 571 size_t arg_offset = 0; 572 if (!method->IsStatic()) { 573 size_t receiver_reg = is_range ? vregC : arg[0]; 574 new_shadow_frame->SetVRegReference(dest_reg, shadow_frame.GetVRegReference(receiver_reg)); 575 ++dest_reg; 576 ++arg_offset; 577 } 578 for (uint32_t shorty_pos = 0; dest_reg < num_regs; ++shorty_pos, ++dest_reg, ++arg_offset) { 579 DCHECK_LT(shorty_pos + 1, shorty_len); 580 const size_t src_reg = (is_range) ? vregC + arg_offset : arg[arg_offset]; 581 switch (shorty[shorty_pos + 1]) { 582 case 'L': { 583 Object* o = shadow_frame.GetVRegReference(src_reg); 584 if (do_assignability_check && o != NULL) { 585 Class* arg_type = mh.GetClassFromTypeIdx(params->GetTypeItem(shorty_pos).type_idx_); 586 if (arg_type == NULL) { 587 CHECK(self->IsExceptionPending()); 588 return false; 589 } 590 if (!o->VerifierInstanceOf(arg_type)) { 591 // This should never happen. 592 std::string temp1, temp2; 593 self->ThrowNewExceptionF(self->GetCurrentLocationForThrow(), 594 "Ljava/lang/VirtualMachineError;", 595 "Invoking %s with bad arg %d, type '%s' not instance of '%s'", 596 method->GetName(), shorty_pos, 597 o->GetClass()->GetDescriptor(&temp1), 598 arg_type->GetDescriptor(&temp2)); 599 return false; 600 } 601 } 602 new_shadow_frame->SetVRegReference(dest_reg, o); 603 break; 604 } 605 case 'J': case 'D': { 606 uint64_t wide_value = (static_cast<uint64_t>(shadow_frame.GetVReg(src_reg + 1)) << 32) | 607 static_cast<uint32_t>(shadow_frame.GetVReg(src_reg)); 608 new_shadow_frame->SetVRegLong(dest_reg, wide_value); 609 ++dest_reg; 610 ++arg_offset; 611 break; 612 } 613 default: 614 new_shadow_frame->SetVReg(dest_reg, shadow_frame.GetVReg(src_reg)); 615 break; 616 } 617 } 618 // We're done with the construction. 619 self->ClearShadowFrameUnderConstruction(); 620 } else { 621 // Fast path: no extra checks. 622 if (is_range) { 623 const uint16_t first_src_reg = inst->VRegC_3rc(); 624 for (size_t src_reg = first_src_reg, dest_reg = first_dest_reg; dest_reg < num_regs; 625 ++dest_reg, ++src_reg) { 626 AssignRegister(new_shadow_frame, shadow_frame, dest_reg, src_reg); 627 } 628 } else { 629 DCHECK_LE(num_ins, 5U); 630 uint16_t regList = inst->Fetch16(2); 631 uint16_t count = num_ins; 632 if (count == 5) { 633 AssignRegister(new_shadow_frame, shadow_frame, first_dest_reg + 4U, (inst_data >> 8) & 0x0f); 634 --count; 635 } 636 for (size_t arg_index = 0; arg_index < count; ++arg_index, regList >>= 4) { 637 AssignRegister(new_shadow_frame, shadow_frame, first_dest_reg + arg_index, regList & 0x0f); 638 } 639 } 640 self->EndAssertNoThreadSuspension(old_cause); 641 } 642 643 // Do the call now. 644 if (LIKELY(Runtime::Current()->IsStarted())) { 645 if (kIsDebugBuild && method->GetEntryPointFromInterpreter() == nullptr) { 646 LOG(FATAL) << "Attempt to invoke non-executable method: " << PrettyMethod(method); 647 } 648 if (kIsDebugBuild && Runtime::Current()->GetInstrumentation()->IsForcedInterpretOnly() && 649 !method->IsNative() && !method->IsProxyMethod() && 650 method->GetEntryPointFromInterpreter() == artInterpreterToCompiledCodeBridge) { 651 LOG(FATAL) << "Attempt to call compiled code when -Xint: " << PrettyMethod(method); 652 } 653 (method->GetEntryPointFromInterpreter())(self, mh, code_item, new_shadow_frame, result); 654 } else { 655 UnstartedRuntimeInvoke(self, mh, code_item, new_shadow_frame, result, first_dest_reg); 656 } 657 return !self->IsExceptionPending(); 658 } 659 660 template <bool is_range, bool do_access_check, bool transaction_active> 661 bool DoFilledNewArray(const Instruction* inst, const ShadowFrame& shadow_frame, 662 Thread* self, JValue* result) { 663 DCHECK(inst->Opcode() == Instruction::FILLED_NEW_ARRAY || 664 inst->Opcode() == Instruction::FILLED_NEW_ARRAY_RANGE); 665 const int32_t length = is_range ? inst->VRegA_3rc() : inst->VRegA_35c(); 666 if (!is_range) { 667 // Checks FILLED_NEW_ARRAY's length does not exceed 5 arguments. 668 CHECK_LE(length, 5); 669 } 670 if (UNLIKELY(length < 0)) { 671 ThrowNegativeArraySizeException(length); 672 return false; 673 } 674 uint16_t type_idx = is_range ? inst->VRegB_3rc() : inst->VRegB_35c(); 675 Class* arrayClass = ResolveVerifyAndClinit(type_idx, shadow_frame.GetMethod(), 676 self, false, do_access_check); 677 if (UNLIKELY(arrayClass == NULL)) { 678 DCHECK(self->IsExceptionPending()); 679 return false; 680 } 681 CHECK(arrayClass->IsArrayClass()); 682 Class* componentClass = arrayClass->GetComponentType(); 683 if (UNLIKELY(componentClass->IsPrimitive() && !componentClass->IsPrimitiveInt())) { 684 if (componentClass->IsPrimitiveLong() || componentClass->IsPrimitiveDouble()) { 685 ThrowRuntimeException("Bad filled array request for type %s", 686 PrettyDescriptor(componentClass).c_str()); 687 } else { 688 self->ThrowNewExceptionF(shadow_frame.GetCurrentLocationForThrow(), 689 "Ljava/lang/InternalError;", 690 "Found type %s; filled-new-array not implemented for anything but 'int'", 691 PrettyDescriptor(componentClass).c_str()); 692 } 693 return false; 694 } 695 Object* newArray = Array::Alloc<true>(self, arrayClass, length, arrayClass->GetComponentSize(), 696 Runtime::Current()->GetHeap()->GetCurrentAllocator()); 697 if (UNLIKELY(newArray == NULL)) { 698 DCHECK(self->IsExceptionPending()); 699 return false; 700 } 701 uint32_t arg[5]; // only used in filled-new-array. 702 uint32_t vregC; // only used in filled-new-array-range. 703 if (is_range) { 704 vregC = inst->VRegC_3rc(); 705 } else { 706 inst->GetVarArgs(arg); 707 } 708 const bool is_primitive_int_component = componentClass->IsPrimitiveInt(); 709 for (int32_t i = 0; i < length; ++i) { 710 size_t src_reg = is_range ? vregC + i : arg[i]; 711 if (is_primitive_int_component) { 712 newArray->AsIntArray()->SetWithoutChecks<transaction_active>(i, shadow_frame.GetVReg(src_reg)); 713 } else { 714 newArray->AsObjectArray<Object>()->SetWithoutChecks<transaction_active>(i, shadow_frame.GetVRegReference(src_reg)); 715 } 716 } 717 718 result->SetL(newArray); 719 return true; 720 } 721 722 // TODO fix thread analysis: should be SHARED_LOCKS_REQUIRED(Locks::mutator_lock_). 723 template<typename T> 724 static void RecordArrayElementsInTransactionImpl(mirror::PrimitiveArray<T>* array, int32_t count) 725 NO_THREAD_SAFETY_ANALYSIS { 726 Runtime* runtime = Runtime::Current(); 727 for (int32_t i = 0; i < count; ++i) { 728 runtime->RecordWriteArray(array, i, array->GetWithoutChecks(i)); 729 } 730 } 731 732 void RecordArrayElementsInTransaction(mirror::Array* array, int32_t count) 733 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 734 DCHECK(Runtime::Current()->IsActiveTransaction()); 735 DCHECK(array != nullptr); 736 DCHECK_LE(count, array->GetLength()); 737 Primitive::Type primitive_component_type = array->GetClass()->GetComponentType()->GetPrimitiveType(); 738 switch (primitive_component_type) { 739 case Primitive::kPrimBoolean: 740 RecordArrayElementsInTransactionImpl(array->AsBooleanArray(), count); 741 break; 742 case Primitive::kPrimByte: 743 RecordArrayElementsInTransactionImpl(array->AsByteArray(), count); 744 break; 745 case Primitive::kPrimChar: 746 RecordArrayElementsInTransactionImpl(array->AsCharArray(), count); 747 break; 748 case Primitive::kPrimShort: 749 RecordArrayElementsInTransactionImpl(array->AsShortArray(), count); 750 break; 751 case Primitive::kPrimInt: 752 case Primitive::kPrimFloat: 753 RecordArrayElementsInTransactionImpl(array->AsIntArray(), count); 754 break; 755 case Primitive::kPrimLong: 756 case Primitive::kPrimDouble: 757 RecordArrayElementsInTransactionImpl(array->AsLongArray(), count); 758 break; 759 default: 760 LOG(FATAL) << "Unsupported primitive type " << primitive_component_type 761 << " in fill-array-data"; 762 break; 763 } 764 } 765 766 // Helper function to deal with class loading in an unstarted runtime. 767 static void UnstartedRuntimeFindClass(Thread* self, Handle<mirror::String> className, 768 Handle<mirror::ClassLoader> class_loader, JValue* result, 769 const std::string& method_name, bool initialize_class, 770 bool abort_if_not_found) 771 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 772 CHECK(className.Get() != nullptr); 773 std::string descriptor(DotToDescriptor(className->ToModifiedUtf8().c_str())); 774 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 775 776 Class* found = class_linker->FindClass(self, descriptor.c_str(), class_loader); 777 if (found == nullptr && abort_if_not_found) { 778 if (!self->IsExceptionPending()) { 779 AbortTransaction(self, "%s failed in un-started runtime for class: %s", 780 method_name.c_str(), PrettyDescriptor(descriptor.c_str()).c_str()); 781 } 782 return; 783 } 784 if (found != nullptr && initialize_class) { 785 StackHandleScope<1> hs(self); 786 Handle<mirror::Class> h_class(hs.NewHandle(found)); 787 if (!class_linker->EnsureInitialized(h_class, true, true)) { 788 CHECK(self->IsExceptionPending()); 789 return; 790 } 791 } 792 result->SetL(found); 793 } 794 795 static void UnstartedRuntimeInvoke(Thread* self, MethodHelper& mh, 796 const DexFile::CodeItem* code_item, ShadowFrame* shadow_frame, 797 JValue* result, size_t arg_offset) { 798 // In a runtime that's not started we intercept certain methods to avoid complicated dependency 799 // problems in core libraries. 800 std::string name(PrettyMethod(shadow_frame->GetMethod())); 801 if (name == "java.lang.Class java.lang.Class.forName(java.lang.String)") { 802 // TODO: Support for the other variants that take more arguments should also be added. 803 mirror::String* class_name = shadow_frame->GetVRegReference(arg_offset)->AsString(); 804 StackHandleScope<1> hs(self); 805 Handle<mirror::String> h_class_name(hs.NewHandle(class_name)); 806 UnstartedRuntimeFindClass(self, h_class_name, NullHandle<mirror::ClassLoader>(), result, name, 807 true, true); 808 } else if (name == "java.lang.Class java.lang.VMClassLoader.loadClass(java.lang.String, boolean)") { 809 mirror::String* class_name = shadow_frame->GetVRegReference(arg_offset)->AsString(); 810 StackHandleScope<1> hs(self); 811 Handle<mirror::String> h_class_name(hs.NewHandle(class_name)); 812 UnstartedRuntimeFindClass(self, h_class_name, NullHandle<mirror::ClassLoader>(), result, name, 813 false, true); 814 } else if (name == "java.lang.Class java.lang.VMClassLoader.findLoadedClass(java.lang.ClassLoader, java.lang.String)") { 815 mirror::String* class_name = shadow_frame->GetVRegReference(arg_offset + 1)->AsString(); 816 mirror::ClassLoader* class_loader = 817 down_cast<mirror::ClassLoader*>(shadow_frame->GetVRegReference(arg_offset)); 818 StackHandleScope<2> hs(self); 819 Handle<mirror::String> h_class_name(hs.NewHandle(class_name)); 820 Handle<mirror::ClassLoader> h_class_loader(hs.NewHandle(class_loader)); 821 UnstartedRuntimeFindClass(self, h_class_name, h_class_loader, result, name, false, false); 822 } else if (name == "java.lang.Class java.lang.Void.lookupType()") { 823 result->SetL(Runtime::Current()->GetClassLinker()->FindPrimitiveClass('V')); 824 } else if (name == "java.lang.Object java.lang.Class.newInstance()") { 825 Class* klass = shadow_frame->GetVRegReference(arg_offset)->AsClass(); 826 ArtMethod* c = klass->FindDeclaredDirectMethod("<init>", "()V"); 827 CHECK(c != NULL); 828 StackHandleScope<1> hs(self); 829 Handle<Object> obj(hs.NewHandle(klass->AllocObject(self))); 830 CHECK(obj.Get() != NULL); 831 EnterInterpreterFromInvoke(self, c, obj.Get(), NULL, NULL); 832 result->SetL(obj.Get()); 833 } else if (name == "java.lang.reflect.Field java.lang.Class.getDeclaredField(java.lang.String)") { 834 // Special managed code cut-out to allow field lookup in a un-started runtime that'd fail 835 // going the reflective Dex way. 836 Class* klass = shadow_frame->GetVRegReference(arg_offset)->AsClass(); 837 String* name = shadow_frame->GetVRegReference(arg_offset + 1)->AsString(); 838 ArtField* found = NULL; 839 ObjectArray<ArtField>* fields = klass->GetIFields(); 840 for (int32_t i = 0; i < fields->GetLength() && found == NULL; ++i) { 841 ArtField* f = fields->Get(i); 842 if (name->Equals(f->GetName())) { 843 found = f; 844 } 845 } 846 if (found == NULL) { 847 fields = klass->GetSFields(); 848 for (int32_t i = 0; i < fields->GetLength() && found == NULL; ++i) { 849 ArtField* f = fields->Get(i); 850 if (name->Equals(f->GetName())) { 851 found = f; 852 } 853 } 854 } 855 CHECK(found != NULL) 856 << "Failed to find field in Class.getDeclaredField in un-started runtime. name=" 857 << name->ToModifiedUtf8() << " class=" << PrettyDescriptor(klass); 858 // TODO: getDeclaredField calls GetType once the field is found to ensure a 859 // NoClassDefFoundError is thrown if the field's type cannot be resolved. 860 Class* jlr_Field = self->DecodeJObject(WellKnownClasses::java_lang_reflect_Field)->AsClass(); 861 StackHandleScope<1> hs(self); 862 Handle<Object> field(hs.NewHandle(jlr_Field->AllocNonMovableObject(self))); 863 CHECK(field.Get() != NULL); 864 ArtMethod* c = jlr_Field->FindDeclaredDirectMethod("<init>", "(Ljava/lang/reflect/ArtField;)V"); 865 uint32_t args[1]; 866 args[0] = StackReference<mirror::Object>::FromMirrorPtr(found).AsVRegValue(); 867 EnterInterpreterFromInvoke(self, c, field.Get(), args, NULL); 868 result->SetL(field.Get()); 869 } else if (name == "int java.lang.Object.hashCode()") { 870 Object* obj = shadow_frame->GetVRegReference(arg_offset); 871 result->SetI(obj->IdentityHashCode()); 872 } else if (name == "java.lang.String java.lang.reflect.ArtMethod.getMethodName(java.lang.reflect.ArtMethod)") { 873 StackHandleScope<1> hs(self); 874 MethodHelper mh(hs.NewHandle(shadow_frame->GetVRegReference(arg_offset)->AsArtMethod())); 875 result->SetL(mh.GetNameAsString(self)); 876 } else if (name == "void java.lang.System.arraycopy(java.lang.Object, int, java.lang.Object, int, int)" || 877 name == "void java.lang.System.arraycopy(char[], int, char[], int, int)") { 878 // Special case array copying without initializing System. 879 Class* ctype = shadow_frame->GetVRegReference(arg_offset)->GetClass()->GetComponentType(); 880 jint srcPos = shadow_frame->GetVReg(arg_offset + 1); 881 jint dstPos = shadow_frame->GetVReg(arg_offset + 3); 882 jint length = shadow_frame->GetVReg(arg_offset + 4); 883 if (!ctype->IsPrimitive()) { 884 ObjectArray<Object>* src = shadow_frame->GetVRegReference(arg_offset)->AsObjectArray<Object>(); 885 ObjectArray<Object>* dst = shadow_frame->GetVRegReference(arg_offset + 2)->AsObjectArray<Object>(); 886 for (jint i = 0; i < length; ++i) { 887 dst->Set(dstPos + i, src->Get(srcPos + i)); 888 } 889 } else if (ctype->IsPrimitiveChar()) { 890 CharArray* src = shadow_frame->GetVRegReference(arg_offset)->AsCharArray(); 891 CharArray* dst = shadow_frame->GetVRegReference(arg_offset + 2)->AsCharArray(); 892 for (jint i = 0; i < length; ++i) { 893 dst->Set(dstPos + i, src->Get(srcPos + i)); 894 } 895 } else if (ctype->IsPrimitiveInt()) { 896 IntArray* src = shadow_frame->GetVRegReference(arg_offset)->AsIntArray(); 897 IntArray* dst = shadow_frame->GetVRegReference(arg_offset + 2)->AsIntArray(); 898 for (jint i = 0; i < length; ++i) { 899 dst->Set(dstPos + i, src->Get(srcPos + i)); 900 } 901 } else { 902 self->ThrowNewExceptionF(self->GetCurrentLocationForThrow(), "Ljava/lang/InternalError;", 903 "Unimplemented System.arraycopy for type '%s'", 904 PrettyDescriptor(ctype).c_str()); 905 } 906 } else if (name == "java.lang.Object java.lang.ThreadLocal.get()") { 907 std::string caller(PrettyMethod(shadow_frame->GetLink()->GetMethod())); 908 if (caller == "java.lang.String java.lang.IntegralToString.convertInt(java.lang.AbstractStringBuilder, int)") { 909 // Allocate non-threadlocal buffer. 910 result->SetL(mirror::CharArray::Alloc(self, 11)); 911 } else { 912 self->ThrowNewException(self->GetCurrentLocationForThrow(), "Ljava/lang/InternalError;", 913 "Unimplemented ThreadLocal.get"); 914 } 915 } else { 916 // Not special, continue with regular interpreter execution. 917 artInterpreterToInterpreterBridge(self, mh, code_item, shadow_frame, result); 918 } 919 } 920 921 // Explicit DoCall template function declarations. 922 #define EXPLICIT_DO_CALL_TEMPLATE_DECL(_is_range, _do_assignability_check) \ 923 template SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) \ 924 bool DoCall<_is_range, _do_assignability_check>(ArtMethod* method, Thread* self, \ 925 ShadowFrame& shadow_frame, \ 926 const Instruction* inst, uint16_t inst_data, \ 927 JValue* result) 928 EXPLICIT_DO_CALL_TEMPLATE_DECL(false, false); 929 EXPLICIT_DO_CALL_TEMPLATE_DECL(false, true); 930 EXPLICIT_DO_CALL_TEMPLATE_DECL(true, false); 931 EXPLICIT_DO_CALL_TEMPLATE_DECL(true, true); 932 #undef EXPLICIT_DO_CALL_TEMPLATE_DECL 933 934 // Explicit DoFilledNewArray template function declarations. 935 #define EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(_is_range_, _check, _transaction_active) \ 936 template SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) \ 937 bool DoFilledNewArray<_is_range_, _check, _transaction_active>(const Instruction* inst, \ 938 const ShadowFrame& shadow_frame, \ 939 Thread* self, JValue* result) 940 #define EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(_transaction_active) \ 941 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, false, _transaction_active); \ 942 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, true, _transaction_active); \ 943 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, false, _transaction_active); \ 944 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, true, _transaction_active) 945 EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(false); 946 EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(true); 947 #undef EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL 948 #undef EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL 949 950 } // namespace interpreter 951 } // namespace art 952
