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 <cmath> 20 21 #include "base/casts.h" 22 #include "base/enums.h" 23 #include "class_root.h" 24 #include "debugger.h" 25 #include "dex/dex_file_types.h" 26 #include "entrypoints/runtime_asm_entrypoints.h" 27 #include "intrinsics_enum.h" 28 #include "jit/jit.h" 29 #include "jvalue-inl.h" 30 #include "method_handles-inl.h" 31 #include "method_handles.h" 32 #include "mirror/array-alloc-inl.h" 33 #include "mirror/array-inl.h" 34 #include "mirror/call_site-inl.h" 35 #include "mirror/class.h" 36 #include "mirror/emulated_stack_frame.h" 37 #include "mirror/method_handle_impl-inl.h" 38 #include "mirror/method_type-inl.h" 39 #include "mirror/object_array-alloc-inl.h" 40 #include "mirror/object_array-inl.h" 41 #include "mirror/var_handle.h" 42 #include "reflection-inl.h" 43 #include "reflection.h" 44 #include "shadow_frame-inl.h" 45 #include "stack.h" 46 #include "thread-inl.h" 47 #include "transaction.h" 48 #include "var_handles.h" 49 #include "well_known_classes.h" 50 51 namespace art { 52 namespace interpreter { 53 54 void ThrowNullPointerExceptionFromInterpreter() { 55 ThrowNullPointerExceptionFromDexPC(); 56 } 57 58 bool CheckStackOverflow(Thread* self, size_t frame_size) 59 REQUIRES_SHARED(Locks::mutator_lock_) { 60 bool implicit_check = !Runtime::Current()->ExplicitStackOverflowChecks(); 61 uint8_t* stack_end = self->GetStackEndForInterpreter(implicit_check); 62 if (UNLIKELY(__builtin_frame_address(0) < stack_end + frame_size)) { 63 ThrowStackOverflowError(self); 64 return false; 65 } 66 return true; 67 } 68 69 bool UseFastInterpreterToInterpreterInvoke(ArtMethod* method) { 70 Runtime* runtime = Runtime::Current(); 71 const void* quick_code = method->GetEntryPointFromQuickCompiledCode(); 72 if (!runtime->GetClassLinker()->IsQuickToInterpreterBridge(quick_code)) { 73 return false; 74 } 75 if (!method->SkipAccessChecks() || method->IsNative() || method->IsProxyMethod()) { 76 return false; 77 } 78 if (method->IsIntrinsic()) { 79 return false; 80 } 81 if (method->GetDeclaringClass()->IsStringClass() && method->IsConstructor()) { 82 return false; 83 } 84 if (method->IsStatic() && !method->GetDeclaringClass()->IsInitialized()) { 85 return false; 86 } 87 ProfilingInfo* profiling_info = method->GetProfilingInfo(kRuntimePointerSize); 88 if ((profiling_info != nullptr) && (profiling_info->GetSavedEntryPoint() != nullptr)) { 89 return false; 90 } 91 return true; 92 } 93 94 template<FindFieldType find_type, Primitive::Type field_type, bool do_access_check, 95 bool transaction_active> 96 bool DoFieldGet(Thread* self, ShadowFrame& shadow_frame, const Instruction* inst, 97 uint16_t inst_data) { 98 const bool is_static = (find_type == StaticObjectRead) || (find_type == StaticPrimitiveRead); 99 const uint32_t field_idx = is_static ? inst->VRegB_21c() : inst->VRegC_22c(); 100 ArtField* f = 101 FindFieldFromCode<find_type, do_access_check>(field_idx, shadow_frame.GetMethod(), self, 102 Primitive::ComponentSize(field_type)); 103 if (UNLIKELY(f == nullptr)) { 104 CHECK(self->IsExceptionPending()); 105 return false; 106 } 107 ObjPtr<mirror::Object> obj; 108 if (is_static) { 109 obj = f->GetDeclaringClass(); 110 if (transaction_active) { 111 if (Runtime::Current()->GetTransaction()->ReadConstraint(obj.Ptr(), f)) { 112 Runtime::Current()->AbortTransactionAndThrowAbortError(self, "Can't read static fields of " 113 + obj->PrettyTypeOf() + " since it does not belong to clinit's class."); 114 return false; 115 } 116 } 117 } else { 118 obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data)); 119 if (UNLIKELY(obj == nullptr)) { 120 ThrowNullPointerExceptionForFieldAccess(f, true); 121 return false; 122 } 123 } 124 125 JValue result; 126 if (UNLIKELY(!DoFieldGetCommon<field_type>(self, shadow_frame, obj, f, &result))) { 127 // Instrumentation threw an error! 128 CHECK(self->IsExceptionPending()); 129 return false; 130 } 131 uint32_t vregA = is_static ? inst->VRegA_21c(inst_data) : inst->VRegA_22c(inst_data); 132 switch (field_type) { 133 case Primitive::kPrimBoolean: 134 shadow_frame.SetVReg(vregA, result.GetZ()); 135 break; 136 case Primitive::kPrimByte: 137 shadow_frame.SetVReg(vregA, result.GetB()); 138 break; 139 case Primitive::kPrimChar: 140 shadow_frame.SetVReg(vregA, result.GetC()); 141 break; 142 case Primitive::kPrimShort: 143 shadow_frame.SetVReg(vregA, result.GetS()); 144 break; 145 case Primitive::kPrimInt: 146 shadow_frame.SetVReg(vregA, result.GetI()); 147 break; 148 case Primitive::kPrimLong: 149 shadow_frame.SetVRegLong(vregA, result.GetJ()); 150 break; 151 case Primitive::kPrimNot: 152 shadow_frame.SetVRegReference(vregA, result.GetL()); 153 break; 154 default: 155 LOG(FATAL) << "Unreachable: " << field_type; 156 UNREACHABLE(); 157 } 158 return true; 159 } 160 161 // Explicitly instantiate all DoFieldGet functions. 162 #define EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, _do_check, _transaction_active) \ 163 template bool DoFieldGet<_find_type, _field_type, _do_check, _transaction_active>(Thread* self, \ 164 ShadowFrame& shadow_frame, \ 165 const Instruction* inst, \ 166 uint16_t inst_data) 167 168 #define EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(_find_type, _field_type) \ 169 EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, false, true); \ 170 EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, false, false); \ 171 EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, true, true); \ 172 EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL(_find_type, _field_type, true, false); 173 174 // iget-XXX 175 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimBoolean) 176 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimByte) 177 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimChar) 178 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimShort) 179 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimInt) 180 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstancePrimitiveRead, Primitive::kPrimLong) 181 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(InstanceObjectRead, Primitive::kPrimNot) 182 183 // sget-XXX 184 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimBoolean) 185 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimByte) 186 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimChar) 187 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimShort) 188 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimInt) 189 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticPrimitiveRead, Primitive::kPrimLong) 190 EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL(StaticObjectRead, Primitive::kPrimNot) 191 192 #undef EXPLICIT_DO_FIELD_GET_ALL_TEMPLATE_DECL 193 #undef EXPLICIT_DO_FIELD_GET_TEMPLATE_DECL 194 195 // Handles iget-quick, iget-wide-quick and iget-object-quick instructions. 196 // Returns true on success, otherwise throws an exception and returns false. 197 template<Primitive::Type field_type> 198 bool DoIGetQuick(ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) { 199 ObjPtr<mirror::Object> obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data)); 200 if (UNLIKELY(obj == nullptr)) { 201 // We lost the reference to the field index so we cannot get a more 202 // precised exception message. 203 ThrowNullPointerExceptionFromDexPC(); 204 return false; 205 } 206 MemberOffset field_offset(inst->VRegC_22c()); 207 // Report this field access to instrumentation if needed. Since we only have the offset of 208 // the field from the base of the object, we need to look for it first. 209 instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 210 if (UNLIKELY(instrumentation->HasFieldReadListeners())) { 211 ArtField* f = ArtField::FindInstanceFieldWithOffset(obj->GetClass(), 212 field_offset.Uint32Value()); 213 DCHECK(f != nullptr); 214 DCHECK(!f->IsStatic()); 215 Thread* self = Thread::Current(); 216 StackHandleScope<1> hs(self); 217 // Save obj in case the instrumentation event has thread suspension. 218 HandleWrapperObjPtr<mirror::Object> h = hs.NewHandleWrapper(&obj); 219 instrumentation->FieldReadEvent(self, 220 obj.Ptr(), 221 shadow_frame.GetMethod(), 222 shadow_frame.GetDexPC(), 223 f); 224 if (UNLIKELY(self->IsExceptionPending())) { 225 return false; 226 } 227 } 228 // Note: iget-x-quick instructions are only for non-volatile fields. 229 const uint32_t vregA = inst->VRegA_22c(inst_data); 230 switch (field_type) { 231 case Primitive::kPrimInt: 232 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetField32(field_offset))); 233 break; 234 case Primitive::kPrimBoolean: 235 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldBoolean(field_offset))); 236 break; 237 case Primitive::kPrimByte: 238 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldByte(field_offset))); 239 break; 240 case Primitive::kPrimChar: 241 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldChar(field_offset))); 242 break; 243 case Primitive::kPrimShort: 244 shadow_frame.SetVReg(vregA, static_cast<int32_t>(obj->GetFieldShort(field_offset))); 245 break; 246 case Primitive::kPrimLong: 247 shadow_frame.SetVRegLong(vregA, static_cast<int64_t>(obj->GetField64(field_offset))); 248 break; 249 case Primitive::kPrimNot: 250 shadow_frame.SetVRegReference(vregA, obj->GetFieldObject<mirror::Object>(field_offset)); 251 break; 252 default: 253 LOG(FATAL) << "Unreachable: " << field_type; 254 UNREACHABLE(); 255 } 256 return true; 257 } 258 259 // Explicitly instantiate all DoIGetQuick functions. 260 #define EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(_field_type) \ 261 template bool DoIGetQuick<_field_type>(ShadowFrame& shadow_frame, const Instruction* inst, \ 262 uint16_t inst_data) 263 264 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimInt); // iget-quick. 265 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimBoolean); // iget-boolean-quick. 266 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimByte); // iget-byte-quick. 267 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimChar); // iget-char-quick. 268 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimShort); // iget-short-quick. 269 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimLong); // iget-wide-quick. 270 EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL(Primitive::kPrimNot); // iget-object-quick. 271 #undef EXPLICIT_DO_IGET_QUICK_TEMPLATE_DECL 272 273 template<Primitive::Type field_type> 274 static JValue GetFieldValue(const ShadowFrame& shadow_frame, uint32_t vreg) 275 REQUIRES_SHARED(Locks::mutator_lock_) { 276 JValue field_value; 277 switch (field_type) { 278 case Primitive::kPrimBoolean: 279 field_value.SetZ(static_cast<uint8_t>(shadow_frame.GetVReg(vreg))); 280 break; 281 case Primitive::kPrimByte: 282 field_value.SetB(static_cast<int8_t>(shadow_frame.GetVReg(vreg))); 283 break; 284 case Primitive::kPrimChar: 285 field_value.SetC(static_cast<uint16_t>(shadow_frame.GetVReg(vreg))); 286 break; 287 case Primitive::kPrimShort: 288 field_value.SetS(static_cast<int16_t>(shadow_frame.GetVReg(vreg))); 289 break; 290 case Primitive::kPrimInt: 291 field_value.SetI(shadow_frame.GetVReg(vreg)); 292 break; 293 case Primitive::kPrimLong: 294 field_value.SetJ(shadow_frame.GetVRegLong(vreg)); 295 break; 296 case Primitive::kPrimNot: 297 field_value.SetL(shadow_frame.GetVRegReference(vreg)); 298 break; 299 default: 300 LOG(FATAL) << "Unreachable: " << field_type; 301 UNREACHABLE(); 302 } 303 return field_value; 304 } 305 306 template<FindFieldType find_type, Primitive::Type field_type, bool do_access_check, 307 bool transaction_active> 308 bool DoFieldPut(Thread* self, const ShadowFrame& shadow_frame, const Instruction* inst, 309 uint16_t inst_data) { 310 const bool do_assignability_check = do_access_check; 311 bool is_static = (find_type == StaticObjectWrite) || (find_type == StaticPrimitiveWrite); 312 uint32_t field_idx = is_static ? inst->VRegB_21c() : inst->VRegC_22c(); 313 ArtField* f = 314 FindFieldFromCode<find_type, do_access_check>(field_idx, shadow_frame.GetMethod(), self, 315 Primitive::ComponentSize(field_type)); 316 if (UNLIKELY(f == nullptr)) { 317 CHECK(self->IsExceptionPending()); 318 return false; 319 } 320 ObjPtr<mirror::Object> obj; 321 if (is_static) { 322 obj = f->GetDeclaringClass(); 323 if (transaction_active) { 324 if (Runtime::Current()->GetTransaction()->WriteConstraint(obj.Ptr(), f)) { 325 Runtime::Current()->AbortTransactionAndThrowAbortError( 326 self, "Can't set fields of " + obj->PrettyTypeOf()); 327 return false; 328 } 329 } 330 331 } else { 332 obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data)); 333 if (UNLIKELY(obj == nullptr)) { 334 ThrowNullPointerExceptionForFieldAccess(f, false); 335 return false; 336 } 337 } 338 339 uint32_t vregA = is_static ? inst->VRegA_21c(inst_data) : inst->VRegA_22c(inst_data); 340 JValue value = GetFieldValue<field_type>(shadow_frame, vregA); 341 return DoFieldPutCommon<field_type, do_assignability_check, transaction_active>(self, 342 shadow_frame, 343 obj, 344 f, 345 value); 346 } 347 348 // Explicitly instantiate all DoFieldPut functions. 349 #define EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, _do_check, _transaction_active) \ 350 template bool DoFieldPut<_find_type, _field_type, _do_check, _transaction_active>(Thread* self, \ 351 const ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) 352 353 #define EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(_find_type, _field_type) \ 354 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, false, false); \ 355 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, true, false); \ 356 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, false, true); \ 357 EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL(_find_type, _field_type, true, true); 358 359 // iput-XXX 360 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimBoolean) 361 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimByte) 362 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimChar) 363 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimShort) 364 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimInt) 365 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstancePrimitiveWrite, Primitive::kPrimLong) 366 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(InstanceObjectWrite, Primitive::kPrimNot) 367 368 // sput-XXX 369 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimBoolean) 370 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimByte) 371 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimChar) 372 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimShort) 373 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimInt) 374 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticPrimitiveWrite, Primitive::kPrimLong) 375 EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL(StaticObjectWrite, Primitive::kPrimNot) 376 377 #undef EXPLICIT_DO_FIELD_PUT_ALL_TEMPLATE_DECL 378 #undef EXPLICIT_DO_FIELD_PUT_TEMPLATE_DECL 379 380 template<Primitive::Type field_type, bool transaction_active> 381 bool DoIPutQuick(const ShadowFrame& shadow_frame, const Instruction* inst, uint16_t inst_data) { 382 ObjPtr<mirror::Object> obj = shadow_frame.GetVRegReference(inst->VRegB_22c(inst_data)); 383 if (UNLIKELY(obj == nullptr)) { 384 // We lost the reference to the field index so we cannot get a more 385 // precised exception message. 386 ThrowNullPointerExceptionFromDexPC(); 387 return false; 388 } 389 MemberOffset field_offset(inst->VRegC_22c()); 390 const uint32_t vregA = inst->VRegA_22c(inst_data); 391 // Report this field modification to instrumentation if needed. Since we only have the offset of 392 // the field from the base of the object, we need to look for it first. 393 instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 394 if (UNLIKELY(instrumentation->HasFieldWriteListeners())) { 395 ArtField* f = ArtField::FindInstanceFieldWithOffset(obj->GetClass(), 396 field_offset.Uint32Value()); 397 DCHECK(f != nullptr); 398 DCHECK(!f->IsStatic()); 399 JValue field_value = GetFieldValue<field_type>(shadow_frame, vregA); 400 Thread* self = Thread::Current(); 401 StackHandleScope<2> hs(self); 402 // Save obj in case the instrumentation event has thread suspension. 403 HandleWrapperObjPtr<mirror::Object> h = hs.NewHandleWrapper(&obj); 404 mirror::Object* fake_root = nullptr; 405 HandleWrapper<mirror::Object> ret(hs.NewHandleWrapper<mirror::Object>( 406 field_type == Primitive::kPrimNot ? field_value.GetGCRoot() : &fake_root)); 407 instrumentation->FieldWriteEvent(self, 408 obj.Ptr(), 409 shadow_frame.GetMethod(), 410 shadow_frame.GetDexPC(), 411 f, 412 field_value); 413 if (UNLIKELY(self->IsExceptionPending())) { 414 return false; 415 } 416 if (UNLIKELY(shadow_frame.GetForcePopFrame())) { 417 // Don't actually set the field. The next instruction will force us to pop. 418 DCHECK(Runtime::Current()->AreNonStandardExitsEnabled()); 419 DCHECK(PrevFrameWillRetry(self, shadow_frame)); 420 return true; 421 } 422 } 423 // Note: iput-x-quick instructions are only for non-volatile fields. 424 switch (field_type) { 425 case Primitive::kPrimBoolean: 426 obj->SetFieldBoolean<transaction_active>(field_offset, shadow_frame.GetVReg(vregA)); 427 break; 428 case Primitive::kPrimByte: 429 obj->SetFieldByte<transaction_active>(field_offset, shadow_frame.GetVReg(vregA)); 430 break; 431 case Primitive::kPrimChar: 432 obj->SetFieldChar<transaction_active>(field_offset, shadow_frame.GetVReg(vregA)); 433 break; 434 case Primitive::kPrimShort: 435 obj->SetFieldShort<transaction_active>(field_offset, shadow_frame.GetVReg(vregA)); 436 break; 437 case Primitive::kPrimInt: 438 obj->SetField32<transaction_active>(field_offset, shadow_frame.GetVReg(vregA)); 439 break; 440 case Primitive::kPrimLong: 441 obj->SetField64<transaction_active>(field_offset, shadow_frame.GetVRegLong(vregA)); 442 break; 443 case Primitive::kPrimNot: 444 obj->SetFieldObject<transaction_active>(field_offset, shadow_frame.GetVRegReference(vregA)); 445 break; 446 default: 447 LOG(FATAL) << "Unreachable: " << field_type; 448 UNREACHABLE(); 449 } 450 return true; 451 } 452 453 // Explicitly instantiate all DoIPutQuick functions. 454 #define EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, _transaction_active) \ 455 template bool DoIPutQuick<_field_type, _transaction_active>(const ShadowFrame& shadow_frame, \ 456 const Instruction* inst, \ 457 uint16_t inst_data) 458 459 #define EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(_field_type) \ 460 EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, false); \ 461 EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL(_field_type, true); 462 463 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimInt) // iput-quick. 464 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimBoolean) // iput-boolean-quick. 465 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimByte) // iput-byte-quick. 466 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimChar) // iput-char-quick. 467 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimShort) // iput-short-quick. 468 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimLong) // iput-wide-quick. 469 EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL(Primitive::kPrimNot) // iput-object-quick. 470 #undef EXPLICIT_DO_IPUT_QUICK_ALL_TEMPLATE_DECL 471 #undef EXPLICIT_DO_IPUT_QUICK_TEMPLATE_DECL 472 473 // We execute any instrumentation events that are triggered by this exception and change the 474 // shadow_frame's dex_pc to that of the exception handler if there is one in the current method. 475 // Return true if we should continue executing in the current method and false if we need to go up 476 // the stack to find an exception handler. 477 // We accept a null Instrumentation* meaning we must not report anything to the instrumentation. 478 // TODO We should have a better way to skip instrumentation reporting or possibly rethink that 479 // behavior. 480 bool MoveToExceptionHandler(Thread* self, 481 ShadowFrame& shadow_frame, 482 const instrumentation::Instrumentation* instrumentation) { 483 self->VerifyStack(); 484 StackHandleScope<2> hs(self); 485 Handle<mirror::Throwable> exception(hs.NewHandle(self->GetException())); 486 if (instrumentation != nullptr && 487 instrumentation->HasExceptionThrownListeners() && 488 self->IsExceptionThrownByCurrentMethod(exception.Get())) { 489 // See b/65049545 for why we don't need to check to see if the exception has changed. 490 instrumentation->ExceptionThrownEvent(self, exception.Get()); 491 if (shadow_frame.GetForcePopFrame()) { 492 // We will check in the caller for GetForcePopFrame again. We need to bail out early to 493 // prevent an ExceptionHandledEvent from also being sent before popping. 494 return true; 495 } 496 } 497 bool clear_exception = false; 498 uint32_t found_dex_pc = shadow_frame.GetMethod()->FindCatchBlock( 499 hs.NewHandle(exception->GetClass()), shadow_frame.GetDexPC(), &clear_exception); 500 if (found_dex_pc == dex::kDexNoIndex) { 501 if (instrumentation != nullptr) { 502 if (shadow_frame.NeedsNotifyPop()) { 503 instrumentation->WatchedFramePopped(self, shadow_frame); 504 } 505 // Exception is not caught by the current method. We will unwind to the 506 // caller. Notify any instrumentation listener. 507 instrumentation->MethodUnwindEvent(self, 508 shadow_frame.GetThisObject(), 509 shadow_frame.GetMethod(), 510 shadow_frame.GetDexPC()); 511 } 512 return false; 513 } else { 514 shadow_frame.SetDexPC(found_dex_pc); 515 if (instrumentation != nullptr && instrumentation->HasExceptionHandledListeners()) { 516 self->ClearException(); 517 instrumentation->ExceptionHandledEvent(self, exception.Get()); 518 if (UNLIKELY(self->IsExceptionPending())) { 519 // Exception handled event threw an exception. Try to find the handler for this one. 520 return MoveToExceptionHandler(self, shadow_frame, instrumentation); 521 } else if (!clear_exception) { 522 self->SetException(exception.Get()); 523 } 524 } else if (clear_exception) { 525 self->ClearException(); 526 } 527 return true; 528 } 529 } 530 531 void UnexpectedOpcode(const Instruction* inst, const ShadowFrame& shadow_frame) { 532 LOG(FATAL) << "Unexpected instruction: " 533 << inst->DumpString(shadow_frame.GetMethod()->GetDexFile()); 534 UNREACHABLE(); 535 } 536 537 void AbortTransactionF(Thread* self, const char* fmt, ...) { 538 va_list args; 539 va_start(args, fmt); 540 AbortTransactionV(self, fmt, args); 541 va_end(args); 542 } 543 544 void AbortTransactionV(Thread* self, const char* fmt, va_list args) { 545 CHECK(Runtime::Current()->IsActiveTransaction()); 546 // Constructs abort message. 547 std::string abort_msg; 548 android::base::StringAppendV(&abort_msg, fmt, args); 549 // Throws an exception so we can abort the transaction and rollback every change. 550 Runtime::Current()->AbortTransactionAndThrowAbortError(self, abort_msg); 551 } 552 553 // START DECLARATIONS : 554 // 555 // These additional declarations are required because clang complains 556 // about ALWAYS_INLINE (-Werror, -Wgcc-compat) in definitions. 557 // 558 559 template <bool is_range, bool do_assignability_check> 560 static ALWAYS_INLINE bool DoCallCommon(ArtMethod* called_method, 561 Thread* self, 562 ShadowFrame& shadow_frame, 563 JValue* result, 564 uint16_t number_of_inputs, 565 uint32_t (&arg)[Instruction::kMaxVarArgRegs], 566 uint32_t vregC) REQUIRES_SHARED(Locks::mutator_lock_); 567 568 template <bool is_range> 569 ALWAYS_INLINE void CopyRegisters(ShadowFrame& caller_frame, 570 ShadowFrame* callee_frame, 571 const uint32_t (&arg)[Instruction::kMaxVarArgRegs], 572 const size_t first_src_reg, 573 const size_t first_dest_reg, 574 const size_t num_regs) REQUIRES_SHARED(Locks::mutator_lock_); 575 576 // END DECLARATIONS. 577 578 void ArtInterpreterToCompiledCodeBridge(Thread* self, 579 ArtMethod* caller, 580 ShadowFrame* shadow_frame, 581 uint16_t arg_offset, 582 JValue* result) 583 REQUIRES_SHARED(Locks::mutator_lock_) { 584 ArtMethod* method = shadow_frame->GetMethod(); 585 // Ensure static methods are initialized. 586 if (method->IsStatic()) { 587 ObjPtr<mirror::Class> declaringClass = method->GetDeclaringClass(); 588 if (UNLIKELY(!declaringClass->IsInitialized())) { 589 self->PushShadowFrame(shadow_frame); 590 StackHandleScope<1> hs(self); 591 Handle<mirror::Class> h_class(hs.NewHandle(declaringClass)); 592 if (UNLIKELY(!Runtime::Current()->GetClassLinker()->EnsureInitialized(self, h_class, true, 593 true))) { 594 self->PopShadowFrame(); 595 DCHECK(self->IsExceptionPending()); 596 return; 597 } 598 self->PopShadowFrame(); 599 CHECK(h_class->IsInitializing()); 600 // Reload from shadow frame in case the method moved, this is faster than adding a handle. 601 method = shadow_frame->GetMethod(); 602 } 603 } 604 // Basic checks for the arg_offset. If there's no code item, the arg_offset must be 0. Otherwise, 605 // check that the arg_offset isn't greater than the number of registers. A stronger check is 606 // difficult since the frame may contain space for all the registers in the method, or only enough 607 // space for the arguments. 608 if (kIsDebugBuild) { 609 if (method->GetCodeItem() == nullptr) { 610 DCHECK_EQ(0u, arg_offset) << method->PrettyMethod(); 611 } else { 612 DCHECK_LE(arg_offset, shadow_frame->NumberOfVRegs()); 613 } 614 } 615 jit::Jit* jit = Runtime::Current()->GetJit(); 616 if (jit != nullptr && caller != nullptr) { 617 jit->NotifyInterpreterToCompiledCodeTransition(self, caller); 618 } 619 method->Invoke(self, shadow_frame->GetVRegArgs(arg_offset), 620 (shadow_frame->NumberOfVRegs() - arg_offset) * sizeof(uint32_t), 621 result, method->GetInterfaceMethodIfProxy(kRuntimePointerSize)->GetShorty()); 622 } 623 624 void SetStringInitValueToAllAliases(ShadowFrame* shadow_frame, 625 uint16_t this_obj_vreg, 626 JValue result) 627 REQUIRES_SHARED(Locks::mutator_lock_) { 628 ObjPtr<mirror::Object> existing = shadow_frame->GetVRegReference(this_obj_vreg); 629 if (existing == nullptr) { 630 // If it's null, we come from compiled code that was deoptimized. Nothing to do, 631 // as the compiler verified there was no alias. 632 // Set the new string result of the StringFactory. 633 shadow_frame->SetVRegReference(this_obj_vreg, result.GetL()); 634 return; 635 } 636 // Set the string init result into all aliases. 637 for (uint32_t i = 0, e = shadow_frame->NumberOfVRegs(); i < e; ++i) { 638 if (shadow_frame->GetVRegReference(i) == existing) { 639 DCHECK_EQ(shadow_frame->GetVRegReference(i), 640 reinterpret_cast32<mirror::Object*>(shadow_frame->GetVReg(i))); 641 shadow_frame->SetVRegReference(i, result.GetL()); 642 DCHECK_EQ(shadow_frame->GetVRegReference(i), 643 reinterpret_cast32<mirror::Object*>(shadow_frame->GetVReg(i))); 644 } 645 } 646 } 647 648 template<bool is_range> 649 static bool DoMethodHandleInvokeCommon(Thread* self, 650 ShadowFrame& shadow_frame, 651 bool invoke_exact, 652 const Instruction* inst, 653 uint16_t inst_data, 654 JValue* result) 655 REQUIRES_SHARED(Locks::mutator_lock_) { 656 // Make sure to check for async exceptions 657 if (UNLIKELY(self->ObserveAsyncException())) { 658 return false; 659 } 660 // Invoke-polymorphic instructions always take a receiver. i.e, they are never static. 661 const uint32_t vRegC = (is_range) ? inst->VRegC_4rcc() : inst->VRegC_45cc(); 662 const int invoke_method_idx = (is_range) ? inst->VRegB_4rcc() : inst->VRegB_45cc(); 663 664 // Initialize |result| to 0 as this is the default return value for 665 // polymorphic invocations of method handle types with void return 666 // and provides sane return result in error cases. 667 result->SetJ(0); 668 669 // The invoke_method_idx here is the name of the signature polymorphic method that 670 // was symbolically invoked in bytecode (say MethodHandle.invoke or MethodHandle.invokeExact) 671 // and not the method that we'll dispatch to in the end. 672 StackHandleScope<2> hs(self); 673 Handle<mirror::MethodHandle> method_handle(hs.NewHandle( 674 ObjPtr<mirror::MethodHandle>::DownCast(shadow_frame.GetVRegReference(vRegC)))); 675 if (UNLIKELY(method_handle == nullptr)) { 676 // Note that the invoke type is kVirtual here because a call to a signature 677 // polymorphic method is shaped like a virtual call at the bytecode level. 678 ThrowNullPointerExceptionForMethodAccess(invoke_method_idx, InvokeType::kVirtual); 679 return false; 680 } 681 682 // The vRegH value gives the index of the proto_id associated with this 683 // signature polymorphic call site. 684 const uint16_t vRegH = (is_range) ? inst->VRegH_4rcc() : inst->VRegH_45cc(); 685 const dex::ProtoIndex callsite_proto_id(vRegH); 686 687 // Call through to the classlinker and ask it to resolve the static type associated 688 // with the callsite. This information is stored in the dex cache so it's 689 // guaranteed to be fast after the first resolution. 690 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 691 Handle<mirror::MethodType> callsite_type(hs.NewHandle( 692 class_linker->ResolveMethodType(self, callsite_proto_id, shadow_frame.GetMethod()))); 693 694 // This implies we couldn't resolve one or more types in this method handle. 695 if (UNLIKELY(callsite_type == nullptr)) { 696 CHECK(self->IsExceptionPending()); 697 return false; 698 } 699 700 // There is a common dispatch method for method handles that takes 701 // arguments either from a range or an array of arguments depending 702 // on whether the DEX instruction is invoke-polymorphic/range or 703 // invoke-polymorphic. The array here is for the latter. 704 if (UNLIKELY(is_range)) { 705 // VRegC is the register holding the method handle. Arguments passed 706 // to the method handle's target do not include the method handle. 707 RangeInstructionOperands operands(inst->VRegC_4rcc() + 1, inst->VRegA_4rcc() - 1); 708 if (invoke_exact) { 709 return MethodHandleInvokeExact(self, 710 shadow_frame, 711 method_handle, 712 callsite_type, 713 &operands, 714 result); 715 } else { 716 return MethodHandleInvoke(self, 717 shadow_frame, 718 method_handle, 719 callsite_type, 720 &operands, 721 result); 722 } 723 } else { 724 // Get the register arguments for the invoke. 725 uint32_t args[Instruction::kMaxVarArgRegs] = {}; 726 inst->GetVarArgs(args, inst_data); 727 // Drop the first register which is the method handle performing the invoke. 728 memmove(args, args + 1, sizeof(args[0]) * (Instruction::kMaxVarArgRegs - 1)); 729 args[Instruction::kMaxVarArgRegs - 1] = 0; 730 VarArgsInstructionOperands operands(args, inst->VRegA_45cc() - 1); 731 if (invoke_exact) { 732 return MethodHandleInvokeExact(self, 733 shadow_frame, 734 method_handle, 735 callsite_type, 736 &operands, 737 result); 738 } else { 739 return MethodHandleInvoke(self, 740 shadow_frame, 741 method_handle, 742 callsite_type, 743 &operands, 744 result); 745 } 746 } 747 } 748 749 bool DoMethodHandleInvokeExact(Thread* self, 750 ShadowFrame& shadow_frame, 751 const Instruction* inst, 752 uint16_t inst_data, 753 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) { 754 if (inst->Opcode() == Instruction::INVOKE_POLYMORPHIC) { 755 static const bool kIsRange = false; 756 return DoMethodHandleInvokeCommon<kIsRange>( 757 self, shadow_frame, /* invoke_exact= */ true, inst, inst_data, result); 758 } else { 759 DCHECK_EQ(inst->Opcode(), Instruction::INVOKE_POLYMORPHIC_RANGE); 760 static const bool kIsRange = true; 761 return DoMethodHandleInvokeCommon<kIsRange>( 762 self, shadow_frame, /* invoke_exact= */ true, inst, inst_data, result); 763 } 764 } 765 766 bool DoMethodHandleInvoke(Thread* self, 767 ShadowFrame& shadow_frame, 768 const Instruction* inst, 769 uint16_t inst_data, 770 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) { 771 if (inst->Opcode() == Instruction::INVOKE_POLYMORPHIC) { 772 static const bool kIsRange = false; 773 return DoMethodHandleInvokeCommon<kIsRange>( 774 self, shadow_frame, /* invoke_exact= */ false, inst, inst_data, result); 775 } else { 776 DCHECK_EQ(inst->Opcode(), Instruction::INVOKE_POLYMORPHIC_RANGE); 777 static const bool kIsRange = true; 778 return DoMethodHandleInvokeCommon<kIsRange>( 779 self, shadow_frame, /* invoke_exact= */ false, inst, inst_data, result); 780 } 781 } 782 783 static bool DoVarHandleInvokeCommon(Thread* self, 784 ShadowFrame& shadow_frame, 785 const Instruction* inst, 786 uint16_t inst_data, 787 JValue* result, 788 mirror::VarHandle::AccessMode access_mode) 789 REQUIRES_SHARED(Locks::mutator_lock_) { 790 // Make sure to check for async exceptions 791 if (UNLIKELY(self->ObserveAsyncException())) { 792 return false; 793 } 794 795 StackHandleScope<2> hs(self); 796 bool is_var_args = inst->HasVarArgs(); 797 const uint16_t vRegH = is_var_args ? inst->VRegH_45cc() : inst->VRegH_4rcc(); 798 ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); 799 Handle<mirror::MethodType> callsite_type(hs.NewHandle( 800 class_linker->ResolveMethodType(self, dex::ProtoIndex(vRegH), shadow_frame.GetMethod()))); 801 // This implies we couldn't resolve one or more types in this VarHandle. 802 if (UNLIKELY(callsite_type == nullptr)) { 803 CHECK(self->IsExceptionPending()); 804 return false; 805 } 806 807 const uint32_t vRegC = is_var_args ? inst->VRegC_45cc() : inst->VRegC_4rcc(); 808 ObjPtr<mirror::Object> receiver(shadow_frame.GetVRegReference(vRegC)); 809 Handle<mirror::VarHandle> var_handle(hs.NewHandle(ObjPtr<mirror::VarHandle>::DownCast(receiver))); 810 if (is_var_args) { 811 uint32_t args[Instruction::kMaxVarArgRegs]; 812 inst->GetVarArgs(args, inst_data); 813 VarArgsInstructionOperands all_operands(args, inst->VRegA_45cc()); 814 NoReceiverInstructionOperands operands(&all_operands); 815 return VarHandleInvokeAccessor(self, 816 shadow_frame, 817 var_handle, 818 callsite_type, 819 access_mode, 820 &operands, 821 result); 822 } else { 823 RangeInstructionOperands all_operands(inst->VRegC_4rcc(), inst->VRegA_4rcc()); 824 NoReceiverInstructionOperands operands(&all_operands); 825 return VarHandleInvokeAccessor(self, 826 shadow_frame, 827 var_handle, 828 callsite_type, 829 access_mode, 830 &operands, 831 result); 832 } 833 } 834 835 #define DO_VAR_HANDLE_ACCESSOR(_access_mode) \ 836 bool DoVarHandle ## _access_mode(Thread* self, \ 837 ShadowFrame& shadow_frame, \ 838 const Instruction* inst, \ 839 uint16_t inst_data, \ 840 JValue* result) REQUIRES_SHARED(Locks::mutator_lock_) { \ 841 const auto access_mode = mirror::VarHandle::AccessMode::k ## _access_mode; \ 842 return DoVarHandleInvokeCommon(self, shadow_frame, inst, inst_data, result, access_mode); \ 843 } 844 845 DO_VAR_HANDLE_ACCESSOR(CompareAndExchange) 846 DO_VAR_HANDLE_ACCESSOR(CompareAndExchangeAcquire) 847 DO_VAR_HANDLE_ACCESSOR(CompareAndExchangeRelease) 848 DO_VAR_HANDLE_ACCESSOR(CompareAndSet) 849 DO_VAR_HANDLE_ACCESSOR(Get) 850 DO_VAR_HANDLE_ACCESSOR(GetAcquire) 851 DO_VAR_HANDLE_ACCESSOR(GetAndAdd) 852 DO_VAR_HANDLE_ACCESSOR(GetAndAddAcquire) 853 DO_VAR_HANDLE_ACCESSOR(GetAndAddRelease) 854 DO_VAR_HANDLE_ACCESSOR(GetAndBitwiseAnd) 855 DO_VAR_HANDLE_ACCESSOR(GetAndBitwiseAndAcquire) 856 DO_VAR_HANDLE_ACCESSOR(GetAndBitwiseAndRelease) 857 DO_VAR_HANDLE_ACCESSOR(GetAndBitwiseOr) 858 DO_VAR_HANDLE_ACCESSOR(GetAndBitwiseOrAcquire) 859 DO_VAR_HANDLE_ACCESSOR(GetAndBitwiseOrRelease) 860 DO_VAR_HANDLE_ACCESSOR(GetAndBitwiseXor) 861 DO_VAR_HANDLE_ACCESSOR(GetAndBitwiseXorAcquire) 862 DO_VAR_HANDLE_ACCESSOR(GetAndBitwiseXorRelease) 863 DO_VAR_HANDLE_ACCESSOR(GetAndSet) 864 DO_VAR_HANDLE_ACCESSOR(GetAndSetAcquire) 865 DO_VAR_HANDLE_ACCESSOR(GetAndSetRelease) 866 DO_VAR_HANDLE_ACCESSOR(GetOpaque) 867 DO_VAR_HANDLE_ACCESSOR(GetVolatile) 868 DO_VAR_HANDLE_ACCESSOR(Set) 869 DO_VAR_HANDLE_ACCESSOR(SetOpaque) 870 DO_VAR_HANDLE_ACCESSOR(SetRelease) 871 DO_VAR_HANDLE_ACCESSOR(SetVolatile) 872 DO_VAR_HANDLE_ACCESSOR(WeakCompareAndSet) 873 DO_VAR_HANDLE_ACCESSOR(WeakCompareAndSetAcquire) 874 DO_VAR_HANDLE_ACCESSOR(WeakCompareAndSetPlain) 875 DO_VAR_HANDLE_ACCESSOR(WeakCompareAndSetRelease) 876 877 #undef DO_VAR_HANDLE_ACCESSOR 878 879 template<bool is_range> 880 bool DoInvokePolymorphic(Thread* self, 881 ShadowFrame& shadow_frame, 882 const Instruction* inst, 883 uint16_t inst_data, 884 JValue* result) { 885 const int invoke_method_idx = inst->VRegB(); 886 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 887 ArtMethod* invoke_method = 888 class_linker->ResolveMethod<ClassLinker::ResolveMode::kCheckICCEAndIAE>( 889 self, invoke_method_idx, shadow_frame.GetMethod(), kVirtual); 890 891 // Ensure intrinsic identifiers are initialized. 892 DCHECK(invoke_method->IsIntrinsic()); 893 894 // Dispatch based on intrinsic identifier associated with method. 895 switch (static_cast<art::Intrinsics>(invoke_method->GetIntrinsic())) { 896 #define CASE_SIGNATURE_POLYMORPHIC_INTRINSIC(Name, ...) \ 897 case Intrinsics::k##Name: \ 898 return Do ## Name(self, shadow_frame, inst, inst_data, result); 899 #include "intrinsics_list.h" 900 SIGNATURE_POLYMORPHIC_INTRINSICS_LIST(CASE_SIGNATURE_POLYMORPHIC_INTRINSIC) 901 #undef INTRINSICS_LIST 902 #undef SIGNATURE_POLYMORPHIC_INTRINSICS_LIST 903 #undef CASE_SIGNATURE_POLYMORPHIC_INTRINSIC 904 default: 905 LOG(FATAL) << "Unreachable: " << invoke_method->GetIntrinsic(); 906 UNREACHABLE(); 907 return false; 908 } 909 } 910 911 static JValue ConvertScalarBootstrapArgument(jvalue value) { 912 // value either contains a primitive scalar value if it corresponds 913 // to a primitive type, or it contains an integer value if it 914 // corresponds to an object instance reference id (e.g. a string id). 915 return JValue::FromPrimitive(value.j); 916 } 917 918 static ObjPtr<mirror::Class> GetClassForBootstrapArgument(EncodedArrayValueIterator::ValueType type) 919 REQUIRES_SHARED(Locks::mutator_lock_) { 920 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 921 ObjPtr<mirror::ObjectArray<mirror::Class>> class_roots = class_linker->GetClassRoots(); 922 switch (type) { 923 case EncodedArrayValueIterator::ValueType::kBoolean: 924 case EncodedArrayValueIterator::ValueType::kByte: 925 case EncodedArrayValueIterator::ValueType::kChar: 926 case EncodedArrayValueIterator::ValueType::kShort: 927 // These types are disallowed by JVMS. Treat as integers. This 928 // will result in CCE's being raised if the BSM has one of these 929 // types. 930 case EncodedArrayValueIterator::ValueType::kInt: 931 return GetClassRoot(ClassRoot::kPrimitiveInt, class_roots); 932 case EncodedArrayValueIterator::ValueType::kLong: 933 return GetClassRoot(ClassRoot::kPrimitiveLong, class_roots); 934 case EncodedArrayValueIterator::ValueType::kFloat: 935 return GetClassRoot(ClassRoot::kPrimitiveFloat, class_roots); 936 case EncodedArrayValueIterator::ValueType::kDouble: 937 return GetClassRoot(ClassRoot::kPrimitiveDouble, class_roots); 938 case EncodedArrayValueIterator::ValueType::kMethodType: 939 return GetClassRoot<mirror::MethodType>(class_roots); 940 case EncodedArrayValueIterator::ValueType::kMethodHandle: 941 return GetClassRoot<mirror::MethodHandle>(class_roots); 942 case EncodedArrayValueIterator::ValueType::kString: 943 return GetClassRoot<mirror::String>(); 944 case EncodedArrayValueIterator::ValueType::kType: 945 return GetClassRoot<mirror::Class>(); 946 case EncodedArrayValueIterator::ValueType::kField: 947 case EncodedArrayValueIterator::ValueType::kMethod: 948 case EncodedArrayValueIterator::ValueType::kEnum: 949 case EncodedArrayValueIterator::ValueType::kArray: 950 case EncodedArrayValueIterator::ValueType::kAnnotation: 951 case EncodedArrayValueIterator::ValueType::kNull: 952 return nullptr; 953 } 954 } 955 956 static bool GetArgumentForBootstrapMethod(Thread* self, 957 ArtMethod* referrer, 958 EncodedArrayValueIterator::ValueType type, 959 const JValue* encoded_value, 960 JValue* decoded_value) 961 REQUIRES_SHARED(Locks::mutator_lock_) { 962 // The encoded_value contains either a scalar value (IJDF) or a 963 // scalar DEX file index to a reference type to be materialized. 964 switch (type) { 965 case EncodedArrayValueIterator::ValueType::kInt: 966 case EncodedArrayValueIterator::ValueType::kFloat: 967 decoded_value->SetI(encoded_value->GetI()); 968 return true; 969 case EncodedArrayValueIterator::ValueType::kLong: 970 case EncodedArrayValueIterator::ValueType::kDouble: 971 decoded_value->SetJ(encoded_value->GetJ()); 972 return true; 973 case EncodedArrayValueIterator::ValueType::kMethodType: { 974 StackHandleScope<2> hs(self); 975 Handle<mirror::ClassLoader> class_loader(hs.NewHandle(referrer->GetClassLoader())); 976 Handle<mirror::DexCache> dex_cache(hs.NewHandle(referrer->GetDexCache())); 977 dex::ProtoIndex proto_idx(encoded_value->GetC()); 978 ClassLinker* cl = Runtime::Current()->GetClassLinker(); 979 ObjPtr<mirror::MethodType> o = 980 cl->ResolveMethodType(self, proto_idx, dex_cache, class_loader); 981 if (UNLIKELY(o.IsNull())) { 982 DCHECK(self->IsExceptionPending()); 983 return false; 984 } 985 decoded_value->SetL(o); 986 return true; 987 } 988 case EncodedArrayValueIterator::ValueType::kMethodHandle: { 989 uint32_t index = static_cast<uint32_t>(encoded_value->GetI()); 990 ClassLinker* cl = Runtime::Current()->GetClassLinker(); 991 ObjPtr<mirror::MethodHandle> o = cl->ResolveMethodHandle(self, index, referrer); 992 if (UNLIKELY(o.IsNull())) { 993 DCHECK(self->IsExceptionPending()); 994 return false; 995 } 996 decoded_value->SetL(o); 997 return true; 998 } 999 case EncodedArrayValueIterator::ValueType::kString: { 1000 dex::StringIndex index(static_cast<uint32_t>(encoded_value->GetI())); 1001 ClassLinker* cl = Runtime::Current()->GetClassLinker(); 1002 ObjPtr<mirror::String> o = cl->ResolveString(index, referrer); 1003 if (UNLIKELY(o.IsNull())) { 1004 DCHECK(self->IsExceptionPending()); 1005 return false; 1006 } 1007 decoded_value->SetL(o); 1008 return true; 1009 } 1010 case EncodedArrayValueIterator::ValueType::kType: { 1011 dex::TypeIndex index(static_cast<uint32_t>(encoded_value->GetI())); 1012 ClassLinker* cl = Runtime::Current()->GetClassLinker(); 1013 ObjPtr<mirror::Class> o = cl->ResolveType(index, referrer); 1014 if (UNLIKELY(o.IsNull())) { 1015 DCHECK(self->IsExceptionPending()); 1016 return false; 1017 } 1018 decoded_value->SetL(o); 1019 return true; 1020 } 1021 case EncodedArrayValueIterator::ValueType::kBoolean: 1022 case EncodedArrayValueIterator::ValueType::kByte: 1023 case EncodedArrayValueIterator::ValueType::kChar: 1024 case EncodedArrayValueIterator::ValueType::kShort: 1025 case EncodedArrayValueIterator::ValueType::kField: 1026 case EncodedArrayValueIterator::ValueType::kMethod: 1027 case EncodedArrayValueIterator::ValueType::kEnum: 1028 case EncodedArrayValueIterator::ValueType::kArray: 1029 case EncodedArrayValueIterator::ValueType::kAnnotation: 1030 case EncodedArrayValueIterator::ValueType::kNull: 1031 // Unreachable - unsupported types that have been checked when 1032 // determining the effect call site type based on the bootstrap 1033 // argument types. 1034 UNREACHABLE(); 1035 } 1036 } 1037 1038 static bool PackArgumentForBootstrapMethod(Thread* self, 1039 ArtMethod* referrer, 1040 CallSiteArrayValueIterator* it, 1041 ShadowFrameSetter* setter) 1042 REQUIRES_SHARED(Locks::mutator_lock_) { 1043 auto type = it->GetValueType(); 1044 const JValue encoded_value = ConvertScalarBootstrapArgument(it->GetJavaValue()); 1045 JValue decoded_value; 1046 if (!GetArgumentForBootstrapMethod(self, referrer, type, &encoded_value, &decoded_value)) { 1047 return false; 1048 } 1049 switch (it->GetValueType()) { 1050 case EncodedArrayValueIterator::ValueType::kInt: 1051 case EncodedArrayValueIterator::ValueType::kFloat: 1052 setter->Set(static_cast<uint32_t>(decoded_value.GetI())); 1053 return true; 1054 case EncodedArrayValueIterator::ValueType::kLong: 1055 case EncodedArrayValueIterator::ValueType::kDouble: 1056 setter->SetLong(decoded_value.GetJ()); 1057 return true; 1058 case EncodedArrayValueIterator::ValueType::kMethodType: 1059 case EncodedArrayValueIterator::ValueType::kMethodHandle: 1060 case EncodedArrayValueIterator::ValueType::kString: 1061 case EncodedArrayValueIterator::ValueType::kType: 1062 setter->SetReference(decoded_value.GetL()); 1063 return true; 1064 case EncodedArrayValueIterator::ValueType::kBoolean: 1065 case EncodedArrayValueIterator::ValueType::kByte: 1066 case EncodedArrayValueIterator::ValueType::kChar: 1067 case EncodedArrayValueIterator::ValueType::kShort: 1068 case EncodedArrayValueIterator::ValueType::kField: 1069 case EncodedArrayValueIterator::ValueType::kMethod: 1070 case EncodedArrayValueIterator::ValueType::kEnum: 1071 case EncodedArrayValueIterator::ValueType::kArray: 1072 case EncodedArrayValueIterator::ValueType::kAnnotation: 1073 case EncodedArrayValueIterator::ValueType::kNull: 1074 // Unreachable - unsupported types that have been checked when 1075 // determining the effect call site type based on the bootstrap 1076 // argument types. 1077 UNREACHABLE(); 1078 } 1079 } 1080 1081 static bool PackCollectorArrayForBootstrapMethod(Thread* self, 1082 ArtMethod* referrer, 1083 ObjPtr<mirror::Class> array_type, 1084 int32_t array_length, 1085 CallSiteArrayValueIterator* it, 1086 ShadowFrameSetter* setter) 1087 REQUIRES_SHARED(Locks::mutator_lock_) { 1088 StackHandleScope<1> hs(self); 1089 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1090 JValue decoded_value; 1091 1092 #define COLLECT_PRIMITIVE_ARRAY(Descriptor, Type) \ 1093 Handle<mirror::Type ## Array> array = \ 1094 hs.NewHandle(mirror::Type ## Array::Alloc(self, array_length)); \ 1095 if (array.IsNull()) { \ 1096 return false; \ 1097 } \ 1098 for (int32_t i = 0; it->HasNext(); it->Next(), ++i) { \ 1099 auto type = it->GetValueType(); \ 1100 DCHECK_EQ(type, EncodedArrayValueIterator::ValueType::k ## Type); \ 1101 const JValue encoded_value = \ 1102 ConvertScalarBootstrapArgument(it->GetJavaValue()); \ 1103 GetArgumentForBootstrapMethod(self, \ 1104 referrer, \ 1105 type, \ 1106 &encoded_value, \ 1107 &decoded_value); \ 1108 array->Set(i, decoded_value.Get ## Descriptor()); \ 1109 } \ 1110 setter->SetReference(array.Get()); \ 1111 return true; 1112 1113 #define COLLECT_REFERENCE_ARRAY(T, Type) \ 1114 Handle<mirror::ObjectArray<T>> array = /* NOLINT */ \ 1115 hs.NewHandle(mirror::ObjectArray<T>::Alloc(self, \ 1116 array_type, \ 1117 array_length)); \ 1118 if (array.IsNull()) { \ 1119 return false; \ 1120 } \ 1121 for (int32_t i = 0; it->HasNext(); it->Next(), ++i) { \ 1122 auto type = it->GetValueType(); \ 1123 DCHECK_EQ(type, EncodedArrayValueIterator::ValueType::k ## Type); \ 1124 const JValue encoded_value = \ 1125 ConvertScalarBootstrapArgument(it->GetJavaValue()); \ 1126 if (!GetArgumentForBootstrapMethod(self, \ 1127 referrer, \ 1128 type, \ 1129 &encoded_value, \ 1130 &decoded_value)) { \ 1131 return false; \ 1132 } \ 1133 ObjPtr<mirror::Object> o = decoded_value.GetL(); \ 1134 if (Runtime::Current()->IsActiveTransaction()) { \ 1135 array->Set<true>(i, ObjPtr<T>::DownCast(o)); \ 1136 } else { \ 1137 array->Set<false>(i, ObjPtr<T>::DownCast(o)); \ 1138 } \ 1139 } \ 1140 setter->SetReference(array.Get()); \ 1141 return true; 1142 1143 ObjPtr<mirror::ObjectArray<mirror::Class>> class_roots = class_linker->GetClassRoots(); 1144 ObjPtr<mirror::Class> component_type = array_type->GetComponentType(); 1145 if (component_type == GetClassRoot(ClassRoot::kPrimitiveInt, class_roots)) { 1146 COLLECT_PRIMITIVE_ARRAY(I, Int); 1147 } else if (component_type == GetClassRoot(ClassRoot::kPrimitiveLong, class_roots)) { 1148 COLLECT_PRIMITIVE_ARRAY(J, Long); 1149 } else if (component_type == GetClassRoot(ClassRoot::kPrimitiveFloat, class_roots)) { 1150 COLLECT_PRIMITIVE_ARRAY(F, Float); 1151 } else if (component_type == GetClassRoot(ClassRoot::kPrimitiveDouble, class_roots)) { 1152 COLLECT_PRIMITIVE_ARRAY(D, Double); 1153 } else if (component_type == GetClassRoot<mirror::MethodType>()) { 1154 COLLECT_REFERENCE_ARRAY(mirror::MethodType, MethodType); 1155 } else if (component_type == GetClassRoot<mirror::MethodHandle>()) { 1156 COLLECT_REFERENCE_ARRAY(mirror::MethodHandle, MethodHandle); 1157 } else if (component_type == GetClassRoot<mirror::String>(class_roots)) { 1158 COLLECT_REFERENCE_ARRAY(mirror::String, String); 1159 } else if (component_type == GetClassRoot<mirror::Class>()) { 1160 COLLECT_REFERENCE_ARRAY(mirror::Class, Type); 1161 } else { 1162 UNREACHABLE(); 1163 } 1164 #undef COLLECT_PRIMITIVE_ARRAY 1165 #undef COLLECT_REFERENCE_ARRAY 1166 } 1167 1168 static ObjPtr<mirror::MethodType> BuildCallSiteForBootstrapMethod(Thread* self, 1169 const DexFile* dex_file, 1170 uint32_t call_site_idx) 1171 REQUIRES_SHARED(Locks::mutator_lock_) { 1172 const dex::CallSiteIdItem& csi = dex_file->GetCallSiteId(call_site_idx); 1173 CallSiteArrayValueIterator it(*dex_file, csi); 1174 DCHECK_GE(it.Size(), 1u); 1175 1176 StackHandleScope<2> hs(self); 1177 // Create array for parameter types. 1178 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1179 ObjPtr<mirror::Class> class_array_type = 1180 GetClassRoot<mirror::ObjectArray<mirror::Class>>(class_linker); 1181 Handle<mirror::ObjectArray<mirror::Class>> ptypes = hs.NewHandle( 1182 mirror::ObjectArray<mirror::Class>::Alloc(self, 1183 class_array_type, 1184 static_cast<int>(it.Size()))); 1185 if (ptypes.IsNull()) { 1186 DCHECK(self->IsExceptionPending()); 1187 return nullptr; 1188 } 1189 1190 // Populate the first argument with an instance of j.l.i.MethodHandles.Lookup 1191 // that the runtime will construct. 1192 ptypes->Set(0, GetClassRoot<mirror::MethodHandlesLookup>(class_linker)); 1193 it.Next(); 1194 1195 // The remaining parameter types are derived from the types of 1196 // arguments present in the DEX file. 1197 int index = 1; 1198 while (it.HasNext()) { 1199 ObjPtr<mirror::Class> ptype = GetClassForBootstrapArgument(it.GetValueType()); 1200 if (ptype.IsNull()) { 1201 ThrowClassCastException("Unsupported bootstrap argument type"); 1202 return nullptr; 1203 } 1204 ptypes->Set(index, ptype); 1205 index++; 1206 it.Next(); 1207 } 1208 DCHECK_EQ(static_cast<size_t>(index), it.Size()); 1209 1210 // By definition, the return type is always a j.l.i.CallSite. 1211 Handle<mirror::Class> rtype = hs.NewHandle(GetClassRoot<mirror::CallSite>()); 1212 return mirror::MethodType::Create(self, rtype, ptypes); 1213 } 1214 1215 static ObjPtr<mirror::CallSite> InvokeBootstrapMethod(Thread* self, 1216 ShadowFrame& shadow_frame, 1217 uint32_t call_site_idx) 1218 REQUIRES_SHARED(Locks::mutator_lock_) { 1219 StackHandleScope<5> hs(self); 1220 // There are three mandatory arguments expected from the call site 1221 // value array in the DEX file: the bootstrap method handle, the 1222 // method name to pass to the bootstrap method, and the method type 1223 // to pass to the bootstrap method. 1224 static constexpr size_t kMandatoryArgumentsCount = 3; 1225 ArtMethod* referrer = shadow_frame.GetMethod(); 1226 const DexFile* dex_file = referrer->GetDexFile(); 1227 const dex::CallSiteIdItem& csi = dex_file->GetCallSiteId(call_site_idx); 1228 CallSiteArrayValueIterator it(*dex_file, csi); 1229 if (it.Size() < kMandatoryArgumentsCount) { 1230 ThrowBootstrapMethodError("Truncated bootstrap arguments (%zu < %zu)", 1231 it.Size(), kMandatoryArgumentsCount); 1232 return nullptr; 1233 } 1234 1235 if (it.GetValueType() != EncodedArrayValueIterator::ValueType::kMethodHandle) { 1236 ThrowBootstrapMethodError("First bootstrap argument is not a method handle"); 1237 return nullptr; 1238 } 1239 1240 uint32_t bsm_index = static_cast<uint32_t>(it.GetJavaValue().i); 1241 it.Next(); 1242 1243 ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1244 Handle<mirror::MethodHandle> bsm = 1245 hs.NewHandle(class_linker->ResolveMethodHandle(self, bsm_index, referrer)); 1246 if (bsm.IsNull()) { 1247 DCHECK(self->IsExceptionPending()); 1248 return nullptr; 1249 } 1250 1251 if (bsm->GetHandleKind() != mirror::MethodHandle::Kind::kInvokeStatic) { 1252 // JLS suggests also accepting constructors. This is currently 1253 // hard as constructor invocations happen via transformers in ART 1254 // today. The constructor would need to be a class derived from java.lang.invoke.CallSite. 1255 ThrowBootstrapMethodError("Unsupported bootstrap method invocation kind"); 1256 return nullptr; 1257 } 1258 1259 // Construct the local call site type information based on the 3 1260 // mandatory arguments provided by the runtime and the static arguments 1261 // in the DEX file. We will use these arguments to build a shadow frame. 1262 MutableHandle<mirror::MethodType> call_site_type = 1263 hs.NewHandle(BuildCallSiteForBootstrapMethod(self, dex_file, call_site_idx)); 1264 if (call_site_type.IsNull()) { 1265 DCHECK(self->IsExceptionPending()); 1266 return nullptr; 1267 } 1268 1269 // Check if this BSM is targeting a variable arity method. If so, 1270 // we'll need to collect the trailing arguments into an array. 1271 Handle<mirror::Array> collector_arguments; 1272 int32_t collector_arguments_length; 1273 if (bsm->GetTargetMethod()->IsVarargs()) { 1274 int number_of_bsm_parameters = bsm->GetMethodType()->GetNumberOfPTypes(); 1275 if (number_of_bsm_parameters == 0) { 1276 ThrowBootstrapMethodError("Variable arity BSM does not have any arguments"); 1277 return nullptr; 1278 } 1279 Handle<mirror::Class> collector_array_class = 1280 hs.NewHandle(bsm->GetMethodType()->GetPTypes()->Get(number_of_bsm_parameters - 1)); 1281 if (!collector_array_class->IsArrayClass()) { 1282 ThrowBootstrapMethodError("Variable arity BSM does not have array as final argument"); 1283 return nullptr; 1284 } 1285 // The call site may include no arguments to be collected. In this 1286 // case the number of arguments must be at least the number of BSM 1287 // parameters less the collector array. 1288 if (call_site_type->GetNumberOfPTypes() < number_of_bsm_parameters - 1) { 1289 ThrowWrongMethodTypeException(bsm->GetMethodType(), call_site_type.Get()); 1290 return nullptr; 1291 } 1292 // Check all the arguments to be collected match the collector array component type. 1293 for (int i = number_of_bsm_parameters - 1; i < call_site_type->GetNumberOfPTypes(); ++i) { 1294 if (call_site_type->GetPTypes()->Get(i) != collector_array_class->GetComponentType()) { 1295 ThrowClassCastException(collector_array_class->GetComponentType(), 1296 call_site_type->GetPTypes()->Get(i)); 1297 return nullptr; 1298 } 1299 } 1300 // Update the call site method type so it now includes the collector array. 1301 int32_t collector_arguments_start = number_of_bsm_parameters - 1; 1302 collector_arguments_length = call_site_type->GetNumberOfPTypes() - number_of_bsm_parameters + 1; 1303 call_site_type.Assign( 1304 mirror::MethodType::CollectTrailingArguments(self, 1305 call_site_type.Get(), 1306 collector_array_class.Get(), 1307 collector_arguments_start)); 1308 if (call_site_type.IsNull()) { 1309 DCHECK(self->IsExceptionPending()); 1310 return nullptr; 1311 } 1312 } else { 1313 collector_arguments_length = 0; 1314 } 1315 1316 if (call_site_type->GetNumberOfPTypes() != bsm->GetMethodType()->GetNumberOfPTypes()) { 1317 ThrowWrongMethodTypeException(bsm->GetMethodType(), call_site_type.Get()); 1318 return nullptr; 1319 } 1320 1321 // BSM invocation has a different set of exceptions that 1322 // j.l.i.MethodHandle.invoke(). Scan arguments looking for CCE 1323 // "opportunities". Unfortunately we cannot just leave this to the 1324 // method handle invocation as this might generate a WMTE. 1325 for (int32_t i = 0; i < call_site_type->GetNumberOfPTypes(); ++i) { 1326 ObjPtr<mirror::Class> from = call_site_type->GetPTypes()->Get(i); 1327 ObjPtr<mirror::Class> to = bsm->GetMethodType()->GetPTypes()->Get(i); 1328 if (!IsParameterTypeConvertible(from, to)) { 1329 ThrowClassCastException(from, to); 1330 return nullptr; 1331 } 1332 } 1333 if (!IsReturnTypeConvertible(call_site_type->GetRType(), bsm->GetMethodType()->GetRType())) { 1334 ThrowClassCastException(bsm->GetMethodType()->GetRType(), call_site_type->GetRType()); 1335 return nullptr; 1336 } 1337 1338 // Set-up a shadow frame for invoking the bootstrap method handle. 1339 ShadowFrameAllocaUniquePtr bootstrap_frame = 1340 CREATE_SHADOW_FRAME(call_site_type->NumberOfVRegs(), 1341 nullptr, 1342 referrer, 1343 shadow_frame.GetDexPC()); 1344 ScopedStackedShadowFramePusher pusher( 1345 self, bootstrap_frame.get(), StackedShadowFrameType::kShadowFrameUnderConstruction); 1346 ShadowFrameSetter setter(bootstrap_frame.get(), 0u); 1347 1348 // The first parameter is a MethodHandles lookup instance. 1349 Handle<mirror::Class> lookup_class = 1350 hs.NewHandle(shadow_frame.GetMethod()->GetDeclaringClass()); 1351 ObjPtr<mirror::MethodHandlesLookup> lookup = 1352 mirror::MethodHandlesLookup::Create(self, lookup_class); 1353 if (lookup.IsNull()) { 1354 DCHECK(self->IsExceptionPending()); 1355 return nullptr; 1356 } 1357 setter.SetReference(lookup); 1358 1359 // Pack the remaining arguments into the frame. 1360 int number_of_arguments = call_site_type->GetNumberOfPTypes(); 1361 int argument_index; 1362 for (argument_index = 1; argument_index < number_of_arguments; ++argument_index) { 1363 if (argument_index == number_of_arguments - 1 && 1364 call_site_type->GetPTypes()->Get(argument_index)->IsArrayClass()) { 1365 ObjPtr<mirror::Class> array_type = call_site_type->GetPTypes()->Get(argument_index); 1366 if (!PackCollectorArrayForBootstrapMethod(self, 1367 referrer, 1368 array_type, 1369 collector_arguments_length, 1370 &it, 1371 &setter)) { 1372 DCHECK(self->IsExceptionPending()); 1373 return nullptr; 1374 } 1375 } else if (!PackArgumentForBootstrapMethod(self, referrer, &it, &setter)) { 1376 DCHECK(self->IsExceptionPending()); 1377 return nullptr; 1378 } 1379 it.Next(); 1380 } 1381 DCHECK(!it.HasNext()); 1382 DCHECK(setter.Done()); 1383 1384 // Invoke the bootstrap method handle. 1385 JValue result; 1386 RangeInstructionOperands operands(0, bootstrap_frame->NumberOfVRegs()); 1387 bool invoke_success = MethodHandleInvoke(self, 1388 *bootstrap_frame, 1389 bsm, 1390 call_site_type, 1391 &operands, 1392 &result); 1393 if (!invoke_success) { 1394 DCHECK(self->IsExceptionPending()); 1395 return nullptr; 1396 } 1397 1398 Handle<mirror::Object> object(hs.NewHandle(result.GetL())); 1399 if (UNLIKELY(object.IsNull())) { 1400 // This will typically be for LambdaMetafactory which is not supported. 1401 ThrowClassCastException("Bootstrap method returned null"); 1402 return nullptr; 1403 } 1404 1405 // Check the result type is a subclass of j.l.i.CallSite. 1406 ObjPtr<mirror::Class> call_site_class = GetClassRoot<mirror::CallSite>(class_linker); 1407 if (UNLIKELY(!object->InstanceOf(call_site_class))) { 1408 ThrowClassCastException(object->GetClass(), call_site_class); 1409 return nullptr; 1410 } 1411 1412 // Check the call site target is not null as we're going to invoke it. 1413 ObjPtr<mirror::CallSite> call_site = ObjPtr<mirror::CallSite>::DownCast(result.GetL()); 1414 ObjPtr<mirror::MethodHandle> target = call_site->GetTarget(); 1415 if (UNLIKELY(target == nullptr)) { 1416 ThrowClassCastException("Bootstrap method returned a CallSite with a null target"); 1417 return nullptr; 1418 } 1419 return call_site; 1420 } 1421 1422 namespace { 1423 1424 ObjPtr<mirror::CallSite> DoResolveCallSite(Thread* self, 1425 ShadowFrame& shadow_frame, 1426 uint32_t call_site_idx) 1427 REQUIRES_SHARED(Locks::mutator_lock_) { 1428 StackHandleScope<1> hs(self); 1429 Handle<mirror::DexCache> dex_cache(hs.NewHandle(shadow_frame.GetMethod()->GetDexCache())); 1430 1431 // Get the call site from the DexCache if present. 1432 ObjPtr<mirror::CallSite> call_site = dex_cache->GetResolvedCallSite(call_site_idx); 1433 if (LIKELY(call_site != nullptr)) { 1434 return call_site; 1435 } 1436 1437 // Invoke the bootstrap method to get a candidate call site. 1438 call_site = InvokeBootstrapMethod(self, shadow_frame, call_site_idx); 1439 if (UNLIKELY(call_site == nullptr)) { 1440 if (!self->GetException()->IsError()) { 1441 // Use a BootstrapMethodError if the exception is not an instance of java.lang.Error. 1442 ThrowWrappedBootstrapMethodError("Exception from call site #%u bootstrap method", 1443 call_site_idx); 1444 } 1445 return nullptr; 1446 } 1447 1448 // Attempt to place the candidate call site into the DexCache, return the winning call site. 1449 return dex_cache->SetResolvedCallSite(call_site_idx, call_site); 1450 } 1451 1452 } // namespace 1453 1454 bool DoInvokeCustom(Thread* self, 1455 ShadowFrame& shadow_frame, 1456 uint32_t call_site_idx, 1457 const InstructionOperands* operands, 1458 JValue* result) { 1459 // Make sure to check for async exceptions 1460 if (UNLIKELY(self->ObserveAsyncException())) { 1461 return false; 1462 } 1463 1464 // invoke-custom is not supported in transactions. In transactions 1465 // there is a limited set of types supported. invoke-custom allows 1466 // running arbitrary code and instantiating arbitrary types. 1467 CHECK(!Runtime::Current()->IsActiveTransaction()); 1468 1469 ObjPtr<mirror::CallSite> call_site = DoResolveCallSite(self, shadow_frame, call_site_idx); 1470 if (call_site.IsNull()) { 1471 DCHECK(self->IsExceptionPending()); 1472 return false; 1473 } 1474 1475 StackHandleScope<2> hs(self); 1476 Handle<mirror::MethodHandle> target = hs.NewHandle(call_site->GetTarget()); 1477 Handle<mirror::MethodType> target_method_type = hs.NewHandle(target->GetMethodType()); 1478 DCHECK_EQ(operands->GetNumberOfOperands(), target_method_type->NumberOfVRegs()) 1479 << " call_site_idx" << call_site_idx; 1480 return MethodHandleInvokeExact(self, 1481 shadow_frame, 1482 target, 1483 target_method_type, 1484 operands, 1485 result); 1486 } 1487 1488 // Assign register 'src_reg' from shadow_frame to register 'dest_reg' into new_shadow_frame. 1489 static inline void AssignRegister(ShadowFrame* new_shadow_frame, const ShadowFrame& shadow_frame, 1490 size_t dest_reg, size_t src_reg) 1491 REQUIRES_SHARED(Locks::mutator_lock_) { 1492 // Uint required, so that sign extension does not make this wrong on 64b systems 1493 uint32_t src_value = shadow_frame.GetVReg(src_reg); 1494 ObjPtr<mirror::Object> o = shadow_frame.GetVRegReference<kVerifyNone>(src_reg); 1495 1496 // If both register locations contains the same value, the register probably holds a reference. 1497 // Note: As an optimization, non-moving collectors leave a stale reference value 1498 // in the references array even after the original vreg was overwritten to a non-reference. 1499 if (src_value == reinterpret_cast32<uint32_t>(o.Ptr())) { 1500 new_shadow_frame->SetVRegReference(dest_reg, o); 1501 } else { 1502 new_shadow_frame->SetVReg(dest_reg, src_value); 1503 } 1504 } 1505 1506 template <bool is_range> 1507 inline void CopyRegisters(ShadowFrame& caller_frame, 1508 ShadowFrame* callee_frame, 1509 const uint32_t (&arg)[Instruction::kMaxVarArgRegs], 1510 const size_t first_src_reg, 1511 const size_t first_dest_reg, 1512 const size_t num_regs) { 1513 if (is_range) { 1514 const size_t dest_reg_bound = first_dest_reg + num_regs; 1515 for (size_t src_reg = first_src_reg, dest_reg = first_dest_reg; dest_reg < dest_reg_bound; 1516 ++dest_reg, ++src_reg) { 1517 AssignRegister(callee_frame, caller_frame, dest_reg, src_reg); 1518 } 1519 } else { 1520 DCHECK_LE(num_regs, arraysize(arg)); 1521 1522 for (size_t arg_index = 0; arg_index < num_regs; ++arg_index) { 1523 AssignRegister(callee_frame, caller_frame, first_dest_reg + arg_index, arg[arg_index]); 1524 } 1525 } 1526 } 1527 1528 template <bool is_range, 1529 bool do_assignability_check> 1530 static inline bool DoCallCommon(ArtMethod* called_method, 1531 Thread* self, 1532 ShadowFrame& shadow_frame, 1533 JValue* result, 1534 uint16_t number_of_inputs, 1535 uint32_t (&arg)[Instruction::kMaxVarArgRegs], 1536 uint32_t vregC) { 1537 bool string_init = false; 1538 // Replace calls to String.<init> with equivalent StringFactory call. 1539 if (UNLIKELY(called_method->GetDeclaringClass()->IsStringClass() 1540 && called_method->IsConstructor())) { 1541 called_method = WellKnownClasses::StringInitToStringFactory(called_method); 1542 string_init = true; 1543 } 1544 1545 // Compute method information. 1546 CodeItemDataAccessor accessor(called_method->DexInstructionData()); 1547 // Number of registers for the callee's call frame. 1548 uint16_t num_regs; 1549 // Test whether to use the interpreter or compiler entrypoint, and save that result to pass to 1550 // PerformCall. A deoptimization could occur at any time, and we shouldn't change which 1551 // entrypoint to use once we start building the shadow frame. 1552 1553 // For unstarted runtimes, always use the interpreter entrypoint. This fixes the case where we are 1554 // doing cross compilation. Note that GetEntryPointFromQuickCompiledCode doesn't use the image 1555 // pointer size here and this may case an overflow if it is called from the compiler. b/62402160 1556 const bool use_interpreter_entrypoint = !Runtime::Current()->IsStarted() || 1557 ClassLinker::ShouldUseInterpreterEntrypoint( 1558 called_method, 1559 called_method->GetEntryPointFromQuickCompiledCode()); 1560 if (LIKELY(accessor.HasCodeItem())) { 1561 // When transitioning to compiled code, space only needs to be reserved for the input registers. 1562 // The rest of the frame gets discarded. This also prevents accessing the called method's code 1563 // item, saving memory by keeping code items of compiled code untouched. 1564 if (!use_interpreter_entrypoint) { 1565 DCHECK(!Runtime::Current()->IsAotCompiler()) << "Compiler should use interpreter entrypoint"; 1566 num_regs = number_of_inputs; 1567 } else { 1568 num_regs = accessor.RegistersSize(); 1569 DCHECK_EQ(string_init ? number_of_inputs - 1 : number_of_inputs, accessor.InsSize()); 1570 } 1571 } else { 1572 DCHECK(called_method->IsNative() || called_method->IsProxyMethod()); 1573 num_regs = number_of_inputs; 1574 } 1575 1576 // Hack for String init: 1577 // 1578 // Rewrite invoke-x java.lang.String.<init>(this, a, b, c, ...) into: 1579 // invoke-x StringFactory(a, b, c, ...) 1580 // by effectively dropping the first virtual register from the invoke. 1581 // 1582 // (at this point the ArtMethod has already been replaced, 1583 // so we just need to fix-up the arguments) 1584 // 1585 // Note that FindMethodFromCode in entrypoint_utils-inl.h was also special-cased 1586 // to handle the compiler optimization of replacing `this` with null without 1587 // throwing NullPointerException. 1588 uint32_t string_init_vreg_this = is_range ? vregC : arg[0]; 1589 if (UNLIKELY(string_init)) { 1590 DCHECK_GT(num_regs, 0u); // As the method is an instance method, there should be at least 1. 1591 1592 // The new StringFactory call is static and has one fewer argument. 1593 if (!accessor.HasCodeItem()) { 1594 DCHECK(called_method->IsNative() || called_method->IsProxyMethod()); 1595 num_regs--; 1596 } // else ... don't need to change num_regs since it comes up from the string_init's code item 1597 number_of_inputs--; 1598 1599 // Rewrite the var-args, dropping the 0th argument ("this") 1600 for (uint32_t i = 1; i < arraysize(arg); ++i) { 1601 arg[i - 1] = arg[i]; 1602 } 1603 arg[arraysize(arg) - 1] = 0; 1604 1605 // Rewrite the non-var-arg case 1606 vregC++; // Skips the 0th vreg in the range ("this"). 1607 } 1608 1609 // Parameter registers go at the end of the shadow frame. 1610 DCHECK_GE(num_regs, number_of_inputs); 1611 size_t first_dest_reg = num_regs - number_of_inputs; 1612 DCHECK_NE(first_dest_reg, (size_t)-1); 1613 1614 // Allocate shadow frame on the stack. 1615 const char* old_cause = self->StartAssertNoThreadSuspension("DoCallCommon"); 1616 ShadowFrameAllocaUniquePtr shadow_frame_unique_ptr = 1617 CREATE_SHADOW_FRAME(num_regs, &shadow_frame, called_method, /* dex pc */ 0); 1618 ShadowFrame* new_shadow_frame = shadow_frame_unique_ptr.get(); 1619 1620 // Initialize new shadow frame by copying the registers from the callee shadow frame. 1621 if (do_assignability_check) { 1622 // Slow path. 1623 // We might need to do class loading, which incurs a thread state change to kNative. So 1624 // register the shadow frame as under construction and allow suspension again. 1625 ScopedStackedShadowFramePusher pusher( 1626 self, new_shadow_frame, StackedShadowFrameType::kShadowFrameUnderConstruction); 1627 self->EndAssertNoThreadSuspension(old_cause); 1628 1629 // ArtMethod here is needed to check type information of the call site against the callee. 1630 // Type information is retrieved from a DexFile/DexCache for that respective declared method. 1631 // 1632 // As a special case for proxy methods, which are not dex-backed, 1633 // we have to retrieve type information from the proxy's method 1634 // interface method instead (which is dex backed since proxies are never interfaces). 1635 ArtMethod* method = 1636 new_shadow_frame->GetMethod()->GetInterfaceMethodIfProxy(kRuntimePointerSize); 1637 1638 // We need to do runtime check on reference assignment. We need to load the shorty 1639 // to get the exact type of each reference argument. 1640 const dex::TypeList* params = method->GetParameterTypeList(); 1641 uint32_t shorty_len = 0; 1642 const char* shorty = method->GetShorty(&shorty_len); 1643 1644 // Handle receiver apart since it's not part of the shorty. 1645 size_t dest_reg = first_dest_reg; 1646 size_t arg_offset = 0; 1647 1648 if (!method->IsStatic()) { 1649 size_t receiver_reg = is_range ? vregC : arg[0]; 1650 new_shadow_frame->SetVRegReference(dest_reg, shadow_frame.GetVRegReference(receiver_reg)); 1651 ++dest_reg; 1652 ++arg_offset; 1653 DCHECK(!string_init); // All StringFactory methods are static. 1654 } 1655 1656 // Copy the caller's invoke-* arguments into the callee's parameter registers. 1657 for (uint32_t shorty_pos = 0; dest_reg < num_regs; ++shorty_pos, ++dest_reg, ++arg_offset) { 1658 // Skip the 0th 'shorty' type since it represents the return type. 1659 DCHECK_LT(shorty_pos + 1, shorty_len) << "for shorty '" << shorty << "'"; 1660 const size_t src_reg = (is_range) ? vregC + arg_offset : arg[arg_offset]; 1661 switch (shorty[shorty_pos + 1]) { 1662 // Handle Object references. 1 virtual register slot. 1663 case 'L': { 1664 ObjPtr<mirror::Object> o = shadow_frame.GetVRegReference(src_reg); 1665 if (do_assignability_check && o != nullptr) { 1666 const dex::TypeIndex type_idx = params->GetTypeItem(shorty_pos).type_idx_; 1667 ObjPtr<mirror::Class> arg_type = method->GetDexCache()->GetResolvedType(type_idx); 1668 if (arg_type == nullptr) { 1669 StackHandleScope<1> hs(self); 1670 // Preserve o since it is used below and GetClassFromTypeIndex may cause thread 1671 // suspension. 1672 HandleWrapperObjPtr<mirror::Object> h = hs.NewHandleWrapper(&o); 1673 arg_type = method->ResolveClassFromTypeIndex(type_idx); 1674 if (arg_type == nullptr) { 1675 CHECK(self->IsExceptionPending()); 1676 return false; 1677 } 1678 } 1679 if (!o->VerifierInstanceOf(arg_type)) { 1680 // This should never happen. 1681 std::string temp1, temp2; 1682 self->ThrowNewExceptionF("Ljava/lang/InternalError;", 1683 "Invoking %s with bad arg %d, type '%s' not instance of '%s'", 1684 new_shadow_frame->GetMethod()->GetName(), shorty_pos, 1685 o->GetClass()->GetDescriptor(&temp1), 1686 arg_type->GetDescriptor(&temp2)); 1687 return false; 1688 } 1689 } 1690 new_shadow_frame->SetVRegReference(dest_reg, o); 1691 break; 1692 } 1693 // Handle doubles and longs. 2 consecutive virtual register slots. 1694 case 'J': case 'D': { 1695 uint64_t wide_value = 1696 (static_cast<uint64_t>(shadow_frame.GetVReg(src_reg + 1)) << BitSizeOf<uint32_t>()) | 1697 static_cast<uint32_t>(shadow_frame.GetVReg(src_reg)); 1698 new_shadow_frame->SetVRegLong(dest_reg, wide_value); 1699 // Skip the next virtual register slot since we already used it. 1700 ++dest_reg; 1701 ++arg_offset; 1702 break; 1703 } 1704 // Handle all other primitives that are always 1 virtual register slot. 1705 default: 1706 new_shadow_frame->SetVReg(dest_reg, shadow_frame.GetVReg(src_reg)); 1707 break; 1708 } 1709 } 1710 } else { 1711 if (is_range) { 1712 DCHECK_EQ(num_regs, first_dest_reg + number_of_inputs); 1713 } 1714 1715 CopyRegisters<is_range>(shadow_frame, 1716 new_shadow_frame, 1717 arg, 1718 vregC, 1719 first_dest_reg, 1720 number_of_inputs); 1721 self->EndAssertNoThreadSuspension(old_cause); 1722 } 1723 1724 PerformCall(self, 1725 accessor, 1726 shadow_frame.GetMethod(), 1727 first_dest_reg, 1728 new_shadow_frame, 1729 result, 1730 use_interpreter_entrypoint); 1731 1732 if (string_init && !self->IsExceptionPending()) { 1733 SetStringInitValueToAllAliases(&shadow_frame, string_init_vreg_this, *result); 1734 } 1735 1736 return !self->IsExceptionPending(); 1737 } 1738 1739 template<bool is_range, bool do_assignability_check> 1740 bool DoCall(ArtMethod* called_method, Thread* self, ShadowFrame& shadow_frame, 1741 const Instruction* inst, uint16_t inst_data, JValue* result) { 1742 // Argument word count. 1743 const uint16_t number_of_inputs = 1744 (is_range) ? inst->VRegA_3rc(inst_data) : inst->VRegA_35c(inst_data); 1745 1746 // TODO: find a cleaner way to separate non-range and range information without duplicating 1747 // code. 1748 uint32_t arg[Instruction::kMaxVarArgRegs] = {}; // only used in invoke-XXX. 1749 uint32_t vregC = 0; 1750 if (is_range) { 1751 vregC = inst->VRegC_3rc(); 1752 } else { 1753 vregC = inst->VRegC_35c(); 1754 inst->GetVarArgs(arg, inst_data); 1755 } 1756 1757 return DoCallCommon<is_range, do_assignability_check>( 1758 called_method, self, shadow_frame, 1759 result, number_of_inputs, arg, vregC); 1760 } 1761 1762 template <bool is_range, bool do_access_check, bool transaction_active> 1763 bool DoFilledNewArray(const Instruction* inst, 1764 const ShadowFrame& shadow_frame, 1765 Thread* self, 1766 JValue* result) { 1767 DCHECK(inst->Opcode() == Instruction::FILLED_NEW_ARRAY || 1768 inst->Opcode() == Instruction::FILLED_NEW_ARRAY_RANGE); 1769 const int32_t length = is_range ? inst->VRegA_3rc() : inst->VRegA_35c(); 1770 if (!is_range) { 1771 // Checks FILLED_NEW_ARRAY's length does not exceed 5 arguments. 1772 CHECK_LE(length, 5); 1773 } 1774 if (UNLIKELY(length < 0)) { 1775 ThrowNegativeArraySizeException(length); 1776 return false; 1777 } 1778 uint16_t type_idx = is_range ? inst->VRegB_3rc() : inst->VRegB_35c(); 1779 ObjPtr<mirror::Class> array_class = ResolveVerifyAndClinit(dex::TypeIndex(type_idx), 1780 shadow_frame.GetMethod(), 1781 self, 1782 false, 1783 do_access_check); 1784 if (UNLIKELY(array_class == nullptr)) { 1785 DCHECK(self->IsExceptionPending()); 1786 return false; 1787 } 1788 CHECK(array_class->IsArrayClass()); 1789 ObjPtr<mirror::Class> component_class = array_class->GetComponentType(); 1790 const bool is_primitive_int_component = component_class->IsPrimitiveInt(); 1791 if (UNLIKELY(component_class->IsPrimitive() && !is_primitive_int_component)) { 1792 if (component_class->IsPrimitiveLong() || component_class->IsPrimitiveDouble()) { 1793 ThrowRuntimeException("Bad filled array request for type %s", 1794 component_class->PrettyDescriptor().c_str()); 1795 } else { 1796 self->ThrowNewExceptionF("Ljava/lang/InternalError;", 1797 "Found type %s; filled-new-array not implemented for anything but 'int'", 1798 component_class->PrettyDescriptor().c_str()); 1799 } 1800 return false; 1801 } 1802 ObjPtr<mirror::Object> new_array = mirror::Array::Alloc<true>( 1803 self, 1804 array_class, 1805 length, 1806 array_class->GetComponentSizeShift(), 1807 Runtime::Current()->GetHeap()->GetCurrentAllocator()); 1808 if (UNLIKELY(new_array == nullptr)) { 1809 self->AssertPendingOOMException(); 1810 return false; 1811 } 1812 uint32_t arg[Instruction::kMaxVarArgRegs]; // only used in filled-new-array. 1813 uint32_t vregC = 0; // only used in filled-new-array-range. 1814 if (is_range) { 1815 vregC = inst->VRegC_3rc(); 1816 } else { 1817 inst->GetVarArgs(arg); 1818 } 1819 for (int32_t i = 0; i < length; ++i) { 1820 size_t src_reg = is_range ? vregC + i : arg[i]; 1821 if (is_primitive_int_component) { 1822 new_array->AsIntArray()->SetWithoutChecks<transaction_active>( 1823 i, shadow_frame.GetVReg(src_reg)); 1824 } else { 1825 new_array->AsObjectArray<mirror::Object>()->SetWithoutChecks<transaction_active>( 1826 i, shadow_frame.GetVRegReference(src_reg)); 1827 } 1828 } 1829 1830 result->SetL(new_array); 1831 return true; 1832 } 1833 1834 // TODO: Use ObjPtr here. 1835 template<typename T> 1836 static void RecordArrayElementsInTransactionImpl(ObjPtr<mirror::PrimitiveArray<T>> array, 1837 int32_t count) 1838 REQUIRES_SHARED(Locks::mutator_lock_) { 1839 Runtime* runtime = Runtime::Current(); 1840 for (int32_t i = 0; i < count; ++i) { 1841 runtime->RecordWriteArray(array.Ptr(), i, array->GetWithoutChecks(i)); 1842 } 1843 } 1844 1845 void RecordArrayElementsInTransaction(ObjPtr<mirror::Array> array, int32_t count) 1846 REQUIRES_SHARED(Locks::mutator_lock_) { 1847 DCHECK(Runtime::Current()->IsActiveTransaction()); 1848 DCHECK(array != nullptr); 1849 DCHECK_LE(count, array->GetLength()); 1850 Primitive::Type primitive_component_type = array->GetClass()->GetComponentType()->GetPrimitiveType(); 1851 switch (primitive_component_type) { 1852 case Primitive::kPrimBoolean: 1853 RecordArrayElementsInTransactionImpl(array->AsBooleanArray(), count); 1854 break; 1855 case Primitive::kPrimByte: 1856 RecordArrayElementsInTransactionImpl(array->AsByteArray(), count); 1857 break; 1858 case Primitive::kPrimChar: 1859 RecordArrayElementsInTransactionImpl(array->AsCharArray(), count); 1860 break; 1861 case Primitive::kPrimShort: 1862 RecordArrayElementsInTransactionImpl(array->AsShortArray(), count); 1863 break; 1864 case Primitive::kPrimInt: 1865 RecordArrayElementsInTransactionImpl(array->AsIntArray(), count); 1866 break; 1867 case Primitive::kPrimFloat: 1868 RecordArrayElementsInTransactionImpl(array->AsFloatArray(), count); 1869 break; 1870 case Primitive::kPrimLong: 1871 RecordArrayElementsInTransactionImpl(array->AsLongArray(), count); 1872 break; 1873 case Primitive::kPrimDouble: 1874 RecordArrayElementsInTransactionImpl(array->AsDoubleArray(), count); 1875 break; 1876 default: 1877 LOG(FATAL) << "Unsupported primitive type " << primitive_component_type 1878 << " in fill-array-data"; 1879 UNREACHABLE(); 1880 } 1881 } 1882 1883 // Explicit DoCall template function declarations. 1884 #define EXPLICIT_DO_CALL_TEMPLATE_DECL(_is_range, _do_assignability_check) \ 1885 template REQUIRES_SHARED(Locks::mutator_lock_) \ 1886 bool DoCall<_is_range, _do_assignability_check>(ArtMethod* method, Thread* self, \ 1887 ShadowFrame& shadow_frame, \ 1888 const Instruction* inst, uint16_t inst_data, \ 1889 JValue* result) 1890 EXPLICIT_DO_CALL_TEMPLATE_DECL(false, false); 1891 EXPLICIT_DO_CALL_TEMPLATE_DECL(false, true); 1892 EXPLICIT_DO_CALL_TEMPLATE_DECL(true, false); 1893 EXPLICIT_DO_CALL_TEMPLATE_DECL(true, true); 1894 #undef EXPLICIT_DO_CALL_TEMPLATE_DECL 1895 1896 // Explicit DoInvokePolymorphic template function declarations. 1897 #define EXPLICIT_DO_INVOKE_POLYMORPHIC_TEMPLATE_DECL(_is_range) \ 1898 template REQUIRES_SHARED(Locks::mutator_lock_) \ 1899 bool DoInvokePolymorphic<_is_range>( \ 1900 Thread* self, ShadowFrame& shadow_frame, const Instruction* inst, \ 1901 uint16_t inst_data, JValue* result) 1902 EXPLICIT_DO_INVOKE_POLYMORPHIC_TEMPLATE_DECL(false); 1903 EXPLICIT_DO_INVOKE_POLYMORPHIC_TEMPLATE_DECL(true); 1904 #undef EXPLICIT_DO_INVOKE_POLYMORPHIC_TEMPLATE_DECL 1905 1906 // Explicit DoFilledNewArray template function declarations. 1907 #define EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(_is_range_, _check, _transaction_active) \ 1908 template REQUIRES_SHARED(Locks::mutator_lock_) \ 1909 bool DoFilledNewArray<_is_range_, _check, _transaction_active>(const Instruction* inst, \ 1910 const ShadowFrame& shadow_frame, \ 1911 Thread* self, JValue* result) 1912 #define EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(_transaction_active) \ 1913 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, false, _transaction_active); \ 1914 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(false, true, _transaction_active); \ 1915 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, false, _transaction_active); \ 1916 EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL(true, true, _transaction_active) 1917 EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(false); 1918 EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL(true); 1919 #undef EXPLICIT_DO_FILLED_NEW_ARRAY_ALL_TEMPLATE_DECL 1920 #undef EXPLICIT_DO_FILLED_NEW_ARRAY_TEMPLATE_DECL 1921 1922 } // namespace interpreter 1923 } // namespace art 1924
