1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "quick_compiler_callbacks.h" 18 19 #include "driver/compiler_driver.h" 20 #include "mirror/class-inl.h" 21 #include "mirror/object.h" 22 #include "obj_ptr-inl.h" 23 #include "thread-current-inl.h" 24 #include "verification_results.h" 25 #include "verifier/method_verifier-inl.h" 26 27 namespace art { 28 29 void QuickCompilerCallbacks::MethodVerified(verifier::MethodVerifier* verifier) { 30 if (verification_results_ != nullptr) { 31 verification_results_->ProcessVerifiedMethod(verifier); 32 } 33 } 34 35 void QuickCompilerCallbacks::ClassRejected(ClassReference ref) { 36 if (verification_results_ != nullptr) { 37 verification_results_->AddRejectedClass(ref); 38 } 39 } 40 41 ClassStatus QuickCompilerCallbacks::GetPreviousClassState(ClassReference ref) { 42 // If we don't have class unloading enabled in the compiler, we will never see class that were 43 // previously verified. Return false to avoid overhead from the lookup in the compiler driver. 44 if (!does_class_unloading_) { 45 return ClassStatus::kNotReady; 46 } 47 DCHECK(compiler_driver_ != nullptr); 48 // In the case of the quicken filter: avoiding verification of quickened instructions, which the 49 // verifier doesn't currently support. 50 // In the case of the verify filter, avoiding verifiying twice. 51 return compiler_driver_->GetClassStatus(ref); 52 } 53 54 void QuickCompilerCallbacks::UpdateClassState(ClassReference ref, ClassStatus status) { 55 // Driver is null when bootstrapping the runtime. 56 if (compiler_driver_ != nullptr) { 57 compiler_driver_->RecordClassStatus(ref, status); 58 } 59 } 60 61 bool QuickCompilerCallbacks::CanUseOatStatusForVerification(mirror::Class* klass) { 62 // No dex files: conservatively false. 63 if (dex_files_ == nullptr) { 64 return false; 65 } 66 67 // If the class isn't from one of the dex files, accept oat file data. 68 const DexFile* dex_file = &klass->GetDexFile(); 69 return std::find(dex_files_->begin(), dex_files_->end(), dex_file) == dex_files_->end(); 70 } 71 72 } // namespace art 73
