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 "dex/verification_results.h"
20 #include "driver/compiler_driver.h"
21 #include "mirror/class-inl.h"
22
23 namespace art {
24
MethodVerified(verifier::MethodVerifier * verifier)25 void QuickCompilerCallbacks::MethodVerified(verifier::MethodVerifier* verifier) {
26 if (verification_results_ != nullptr) {
27 verification_results_->ProcessVerifiedMethod(verifier);
28 }
29 }
30
ClassRejected(ClassReference ref)31 void QuickCompilerCallbacks::ClassRejected(ClassReference ref) {
32 if (verification_results_ != nullptr) {
33 verification_results_->AddRejectedClass(ref);
34 }
35 }
36
GetPreviousClassState(ClassReference ref)37 ClassStatus QuickCompilerCallbacks::GetPreviousClassState(ClassReference ref) {
38 // If we don't have class unloading enabled in the compiler, we will never see class that were
39 // previously verified. Return false to avoid overhead from the lookup in the compiler driver.
40 if (!does_class_unloading_) {
41 return ClassStatus::kNotReady;
42 }
43 DCHECK(compiler_driver_ != nullptr);
44 // In the case of the quicken filter: avoiding verification of quickened instructions, which the
45 // verifier doesn't currently support.
46 // In the case of the verify filter, avoiding verifiying twice.
47 return compiler_driver_->GetClassStatus(ref);
48 }
49
UpdateClassState(ClassReference ref,ClassStatus status)50 void QuickCompilerCallbacks::UpdateClassState(ClassReference ref, ClassStatus status) {
51 // Driver is null when bootstrapping the runtime.
52 if (compiler_driver_ != nullptr) {
53 compiler_driver_->RecordClassStatus(ref, status);
54 }
55 }
56
CanUseOatStatusForVerification(mirror::Class * klass)57 bool QuickCompilerCallbacks::CanUseOatStatusForVerification(mirror::Class* klass) {
58 // No dex files: conservatively false.
59 if (dex_files_ == nullptr) {
60 return false;
61 }
62
63 // If the class isn't from one of the dex files, accept oat file data.
64 const DexFile* dex_file = &klass->GetDexFile();
65 return std::find(dex_files_->begin(), dex_files_->end(), dex_file) == dex_files_->end();
66 }
67
68 } // namespace art
69