| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Test is in compiler, as it uses compiler related code. |
| #include "verifier/verifier_deps.h" |
| |
| #include "art_method-inl.h" |
| #include "base/indenter.h" |
| #include "class_linker.h" |
| #include "common_compiler_driver_test.h" |
| #include "compiler_callbacks.h" |
| #include "dex/class_accessor-inl.h" |
| #include "dex/class_iterator.h" |
| #include "dex/dex_file-inl.h" |
| #include "dex/dex_file_types.h" |
| #include "dex/verification_results.h" |
| #include "driver/compiler_driver-inl.h" |
| #include "driver/compiler_options.h" |
| #include "handle_scope-inl.h" |
| #include "mirror/class_loader.h" |
| #include "runtime.h" |
| #include "scoped_thread_state_change-inl.h" |
| #include "thread.h" |
| #include "utils/atomic_dex_ref_map-inl.h" |
| #include "verifier/method_verifier-inl.h" |
| |
| namespace art { |
| namespace verifier { |
| |
| class VerifierDepsCompilerCallbacks : public CompilerCallbacks { |
| public: |
| VerifierDepsCompilerCallbacks() |
| : CompilerCallbacks(CompilerCallbacks::CallbackMode::kCompileApp), |
| deps_(nullptr) {} |
| |
| void AddUncompilableMethod(MethodReference ref ATTRIBUTE_UNUSED) override {} |
| void AddUncompilableClass(ClassReference ref ATTRIBUTE_UNUSED) override {} |
| void ClassRejected(ClassReference ref ATTRIBUTE_UNUSED) override {} |
| |
| verifier::VerifierDeps* GetVerifierDeps() const override { return deps_; } |
| void SetVerifierDeps(verifier::VerifierDeps* deps) override { deps_ = deps; } |
| |
| private: |
| verifier::VerifierDeps* deps_; |
| }; |
| |
| class VerifierDepsTest : public CommonCompilerDriverTest { |
| public: |
| VerifierDepsTest() { |
| this->use_boot_image_ = true; // Make the Runtime creation cheaper. |
| } |
| |
| void SetUpRuntimeOptions(RuntimeOptions* options) override { |
| CommonCompilerTest::SetUpRuntimeOptions(options); |
| callbacks_.reset(new VerifierDepsCompilerCallbacks()); |
| } |
| |
| ObjPtr<mirror::Class> FindClassByName(ScopedObjectAccess& soa, const std::string& name) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| StackHandleScope<1> hs(soa.Self()); |
| Handle<mirror::ClassLoader> class_loader_handle( |
| hs.NewHandle(soa.Decode<mirror::ClassLoader>(class_loader_))); |
| ObjPtr<mirror::Class> klass = |
| class_linker_->FindClass(soa.Self(), name.c_str(), class_loader_handle); |
| if (klass == nullptr) { |
| DCHECK(soa.Self()->IsExceptionPending()); |
| soa.Self()->ClearException(); |
| } |
| return klass; |
| } |
| |
| void SetupCompilerDriver() { |
| compiler_options_->image_type_ = CompilerOptions::ImageType::kNone; |
| compiler_driver_->InitializeThreadPools(); |
| } |
| |
| void VerifyWithCompilerDriver(verifier::VerifierDeps* verifier_deps) { |
| TimingLogger timings("Verify", false, false); |
| // The compiler driver handles the verifier deps in the callbacks, so |
| // remove what this class did for unit testing. |
| if (verifier_deps == nullptr) { |
| // Create some verifier deps by default if they are not already specified. |
| verifier_deps = new verifier::VerifierDeps(dex_files_); |
| verifier_deps_.reset(verifier_deps); |
| } |
| callbacks_->SetVerifierDeps(verifier_deps); |
| compiler_driver_->Verify(class_loader_, dex_files_, &timings); |
| callbacks_->SetVerifierDeps(nullptr); |
| } |
| |
| void SetVerifierDeps(const std::vector<const DexFile*>& dex_files) { |
| verifier_deps_.reset(new verifier::VerifierDeps(dex_files)); |
| VerifierDepsCompilerCallbacks* callbacks = |
| reinterpret_cast<VerifierDepsCompilerCallbacks*>(callbacks_.get()); |
| callbacks->SetVerifierDeps(verifier_deps_.get()); |
| } |
| |
| void LoadDexFile(ScopedObjectAccess& soa, const char* name1, const char* name2 = nullptr) |
| REQUIRES_SHARED(Locks::mutator_lock_) { |
| class_loader_ = (name2 == nullptr) ? LoadDex(name1) : LoadMultiDex(name1, name2); |
| dex_files_ = GetDexFiles(class_loader_); |
| primary_dex_file_ = dex_files_.front(); |
| |
| SetVerifierDeps(dex_files_); |
| StackHandleScope<1> hs(soa.Self()); |
| Handle<mirror::ClassLoader> loader = |
| hs.NewHandle(soa.Decode<mirror::ClassLoader>(class_loader_)); |
| for (const DexFile* dex_file : dex_files_) { |
| class_linker_->RegisterDexFile(*dex_file, loader.Get()); |
| } |
| SetDexFilesForOatFile(dex_files_); |
| } |
| |
| void LoadDexFile(ScopedObjectAccess& soa) REQUIRES_SHARED(Locks::mutator_lock_) { |
| LoadDexFile(soa, "VerifierDeps"); |
| CHECK_EQ(dex_files_.size(), 1u); |
| klass_Main_ = FindClassByName(soa, "LMain;"); |
| CHECK(klass_Main_ != nullptr); |
| } |
| |
| bool VerifyMethod(const std::string& method_name) { |
| ScopedObjectAccess soa(Thread::Current()); |
| LoadDexFile(soa); |
| |
| StackHandleScope<2> hs(soa.Self()); |
| Handle<mirror::ClassLoader> class_loader_handle( |
| hs.NewHandle(soa.Decode<mirror::ClassLoader>(class_loader_))); |
| Handle<mirror::DexCache> dex_cache_handle(hs.NewHandle(klass_Main_->GetDexCache())); |
| |
| const dex::ClassDef* class_def = klass_Main_->GetClassDef(); |
| ClassAccessor accessor(*primary_dex_file_, *class_def); |
| |
| bool has_failures = true; |
| bool found_method = false; |
| |
| for (const ClassAccessor::Method& method : accessor.GetMethods()) { |
| ArtMethod* resolved_method = |
| class_linker_->ResolveMethod<ClassLinker::ResolveMode::kNoChecks>( |
| method.GetIndex(), |
| dex_cache_handle, |
| class_loader_handle, |
| /* referrer= */ nullptr, |
| method.GetInvokeType(class_def->access_flags_)); |
| CHECK(resolved_method != nullptr); |
| if (method_name == resolved_method->GetName()) { |
| std::unique_ptr<MethodVerifier> verifier( |
| MethodVerifier::CreateVerifier(soa.Self(), |
| callbacks_->GetVerifierDeps(), |
| primary_dex_file_, |
| dex_cache_handle, |
| class_loader_handle, |
| *class_def, |
| method.GetCodeItem(), |
| method.GetIndex(), |
| method.GetAccessFlags(), |
| /* can_load_classes= */ true, |
| /* verify to dump */ false, |
| /* allow_thread_suspension= */ true, |
| /* api_level= */ 0)); |
| verifier->Verify(); |
| soa.Self()->SetVerifierDeps(nullptr); |
| has_failures = verifier->HasFailures(); |
| found_method = true; |
| } |
| } |
| CHECK(found_method) << "Expected to find method " << method_name; |
| return !has_failures; |
| } |
| |
| void VerifyDexFile(const char* multidex = nullptr) { |
| { |
| ScopedObjectAccess soa(Thread::Current()); |
| LoadDexFile(soa, "VerifierDeps", multidex); |
| } |
| SetupCompilerDriver(); |
| VerifyWithCompilerDriver(/* verifier_deps= */ nullptr); |
| } |
| |
| bool TestAssignabilityRecording(const std::string& dst, const std::string& src) { |
| ScopedObjectAccess soa(Thread::Current()); |
| LoadDexFile(soa); |
| StackHandleScope<1> hs(soa.Self()); |
| Handle<mirror::Class> klass_dst = hs.NewHandle(FindClassByName(soa, dst)); |
| DCHECK(klass_dst != nullptr) << dst; |
| ObjPtr<mirror::Class> klass_src = FindClassByName(soa, src); |
| DCHECK(klass_src != nullptr) << src; |
| verifier_deps_->AddAssignability(*primary_dex_file_, |
| primary_dex_file_->GetClassDef(0), |
| klass_dst.Get(), |
| klass_src); |
| return true; |
| } |
| |
| // Check that the status of classes in `class_loader_` match the |
| // expected status in `deps`. |
| void VerifyClassStatus(const verifier::VerifierDeps& deps) { |
| ScopedObjectAccess soa(Thread::Current()); |
| StackHandleScope<2> hs(soa.Self()); |
| Handle<mirror::ClassLoader> class_loader_handle( |
| hs.NewHandle(soa.Decode<mirror::ClassLoader>(class_loader_))); |
| MutableHandle<mirror::Class> cls(hs.NewHandle<mirror::Class>(nullptr)); |
| for (const DexFile* dex_file : dex_files_) { |
| const std::vector<bool>& verified_classes = deps.GetVerifiedClasses(*dex_file); |
| ASSERT_EQ(verified_classes.size(), dex_file->NumClassDefs()); |
| for (uint32_t i = 0; i < dex_file->NumClassDefs(); ++i) { |
| const dex::ClassDef& class_def = dex_file->GetClassDef(i); |
| const char* descriptor = dex_file->GetClassDescriptor(class_def); |
| cls.Assign(class_linker_->FindClass(soa.Self(), descriptor, class_loader_handle)); |
| if (cls == nullptr) { |
| CHECK(soa.Self()->IsExceptionPending()); |
| soa.Self()->ClearException(); |
| } else if (&cls->GetDexFile() != dex_file) { |
| // Ignore classes from different dex files. |
| } else if (verified_classes[i]) { |
| ASSERT_EQ(cls->GetStatus(), ClassStatus::kVerifiedNeedsAccessChecks); |
| } else { |
| ASSERT_LT(cls->GetStatus(), ClassStatus::kVerified); |
| } |
| } |
| } |
| } |
| |
| uint16_t GetClassDefIndex(const std::string& cls, const DexFile& dex_file) { |
| const dex::TypeId* type_id = dex_file.FindTypeId(cls.c_str()); |
| DCHECK(type_id != nullptr); |
| dex::TypeIndex type_idx = dex_file.GetIndexForTypeId(*type_id); |
| const dex::ClassDef* class_def = dex_file.FindClassDef(type_idx); |
| DCHECK(class_def != nullptr); |
| return dex_file.GetIndexForClassDef(*class_def); |
| } |
| |
| bool HasVerifiedClass(const std::string& cls) { |
| return HasVerifiedClass(cls, *primary_dex_file_); |
| } |
| |
| bool HasUnverifiedClass(const std::string& cls) { |
| return !HasVerifiedClass(cls, *primary_dex_file_); |
| } |
| |
| bool HasUnverifiedClass(const std::string& cls, const DexFile& dex_file) { |
| return !HasVerifiedClass(cls, dex_file); |
| } |
| |
| bool HasVerifiedClass(const std::string& cls, const DexFile& dex_file) { |
| uint16_t class_def_idx = GetClassDefIndex(cls, dex_file); |
| return verifier_deps_->GetVerifiedClasses(dex_file)[class_def_idx]; |
| } |
| |
| // Iterates over all assignability records and tries to find an entry which |
| // matches the expected destination/source pair. |
| bool HasAssignable(const std::string& expected_destination, |
| const std::string& expected_source) const { |
| for (auto& dex_dep : verifier_deps_->dex_deps_) { |
| const DexFile& dex_file = *dex_dep.first; |
| auto& storage = dex_dep.second->assignable_types_; |
| for (auto& set : storage) { |
| for (auto& entry : set) { |
| std::string actual_destination = |
| verifier_deps_->GetStringFromId(dex_file, entry.GetDestination()); |
| std::string actual_source = verifier_deps_->GetStringFromId(dex_file, entry.GetSource()); |
| if ((expected_destination == actual_destination) && (expected_source == actual_source)) { |
| return true; |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| size_t NumberOfCompiledDexFiles() { |
| return verifier_deps_->dex_deps_.size(); |
| } |
| |
| bool HasBoolValue(const std::vector<bool>& vec, bool value) { |
| return std::count(vec.begin(), vec.end(), value) > 0; |
| } |
| |
| bool HasEachKindOfRecord() { |
| bool has_strings = false; |
| bool has_assignability = false; |
| bool has_verified_classes = false; |
| bool has_unverified_classes = false; |
| |
| for (auto& entry : verifier_deps_->dex_deps_) { |
| has_strings |= !entry.second->strings_.empty(); |
| has_assignability |= !entry.second->assignable_types_.empty(); |
| has_verified_classes |= HasBoolValue(entry.second->verified_classes_, true); |
| has_unverified_classes |= HasBoolValue(entry.second->verified_classes_, false); |
| } |
| |
| return has_strings && |
| has_assignability && |
| has_verified_classes && |
| has_unverified_classes; |
| } |
| |
| // Load the dex file again with a new class loader, decode the VerifierDeps |
| // in `buffer`, allow the caller to modify the deps and then run validation. |
| template<typename Fn> |
| bool RunValidation(Fn fn, const std::vector<uint8_t>& buffer, std::string* error_msg) { |
| ScopedObjectAccess soa(Thread::Current()); |
| |
| jobject second_loader = LoadDex("VerifierDeps"); |
| const auto& second_dex_files = GetDexFiles(second_loader); |
| |
| VerifierDeps decoded_deps(second_dex_files, /*output_only=*/ false); |
| bool parsed = decoded_deps.ParseStoredData(second_dex_files, ArrayRef<const uint8_t>(buffer)); |
| CHECK(parsed); |
| VerifierDeps::DexFileDeps* decoded_dex_deps = |
| decoded_deps.GetDexFileDeps(*second_dex_files.front()); |
| |
| // Let the test modify the dependencies. |
| fn(*decoded_dex_deps); |
| |
| StackHandleScope<1> hs(soa.Self()); |
| Handle<mirror::ClassLoader> new_class_loader = |
| hs.NewHandle<mirror::ClassLoader>(soa.Decode<mirror::ClassLoader>(second_loader)); |
| |
| return decoded_deps.ValidateDependencies(soa.Self(), |
| new_class_loader, |
| second_dex_files, |
| error_msg); |
| } |
| |
| std::unique_ptr<verifier::VerifierDeps> verifier_deps_; |
| std::vector<const DexFile*> dex_files_; |
| const DexFile* primary_dex_file_; |
| jobject class_loader_; |
| ObjPtr<mirror::Class> klass_Main_; |
| }; |
| |
| TEST_F(VerifierDepsTest, StringToId) { |
| ScopedObjectAccess soa(Thread::Current()); |
| LoadDexFile(soa); |
| |
| dex::StringIndex id_Main1 = verifier_deps_->GetIdFromString(*primary_dex_file_, "LMain;"); |
| ASSERT_LT(id_Main1.index_, primary_dex_file_->NumStringIds()); |
| ASSERT_EQ("LMain;", verifier_deps_->GetStringFromId(*primary_dex_file_, id_Main1)); |
| |
| dex::StringIndex id_Main2 = verifier_deps_->GetIdFromString(*primary_dex_file_, "LMain;"); |
| ASSERT_LT(id_Main2.index_, primary_dex_file_->NumStringIds()); |
| ASSERT_EQ("LMain;", verifier_deps_->GetStringFromId(*primary_dex_file_, id_Main2)); |
| |
| dex::StringIndex id_Lorem1 = verifier_deps_->GetIdFromString(*primary_dex_file_, "Lorem ipsum"); |
| ASSERT_GE(id_Lorem1.index_, primary_dex_file_->NumStringIds()); |
| ASSERT_EQ("Lorem ipsum", verifier_deps_->GetStringFromId(*primary_dex_file_, id_Lorem1)); |
| |
| dex::StringIndex id_Lorem2 = verifier_deps_->GetIdFromString(*primary_dex_file_, "Lorem ipsum"); |
| ASSERT_GE(id_Lorem2.index_, primary_dex_file_->NumStringIds()); |
| ASSERT_EQ("Lorem ipsum", verifier_deps_->GetStringFromId(*primary_dex_file_, id_Lorem2)); |
| |
| ASSERT_EQ(id_Main1, id_Main2); |
| ASSERT_EQ(id_Lorem1, id_Lorem2); |
| ASSERT_NE(id_Main1, id_Lorem1); |
| } |
| |
| TEST_F(VerifierDepsTest, Assignable_BothInBoot) { |
| ASSERT_TRUE(TestAssignabilityRecording(/* dst= */ "Ljava/util/TimeZone;", |
| /* src= */ "Ljava/util/SimpleTimeZone;")); |
| ASSERT_TRUE(HasAssignable("Ljava/util/TimeZone;", "Ljava/util/SimpleTimeZone;")); |
| } |
| |
| TEST_F(VerifierDepsTest, Assignable_BothArrays_Resolved) { |
| ASSERT_TRUE(TestAssignabilityRecording(/* dst= */ "[[Ljava/util/TimeZone;", |
| /* src= */ "[[Ljava/util/SimpleTimeZone;")); |
| // If the component types of both arrays are resolved, we optimize the list of |
| // dependencies by recording a dependency on the component types. |
| ASSERT_FALSE(HasAssignable("[[Ljava/util/TimeZone;", "[[Ljava/util/SimpleTimeZone;")); |
| ASSERT_FALSE(HasAssignable("[Ljava/util/TimeZone;", "[Ljava/util/SimpleTimeZone;")); |
| ASSERT_TRUE(HasAssignable("Ljava/util/TimeZone;", "Ljava/util/SimpleTimeZone;")); |
| } |
| |
| TEST_F(VerifierDepsTest, ReturnType_Reference) { |
| ASSERT_TRUE(VerifyMethod("ReturnType_Reference")); |
| ASSERT_TRUE(HasAssignable("Ljava/lang/Throwable;", "Ljava/lang/IllegalStateException;")); |
| } |
| |
| TEST_F(VerifierDepsTest, InvokeArgumentType) { |
| ASSERT_TRUE(VerifyMethod("InvokeArgumentType")); |
| ASSERT_TRUE(HasAssignable("Ljava/util/TimeZone;", "Ljava/util/SimpleTimeZone;")); |
| } |
| |
| TEST_F(VerifierDepsTest, MergeTypes_RegisterLines) { |
| ASSERT_TRUE(VerifyMethod("MergeTypes_RegisterLines")); |
| ASSERT_TRUE(HasAssignable("Ljava/lang/Exception;", "LMySocketTimeoutException;")); |
| ASSERT_TRUE(HasAssignable( |
| "Ljava/lang/Exception;", "Ljava/util/concurrent/TimeoutException;")); |
| } |
| |
| TEST_F(VerifierDepsTest, MergeTypes_IfInstanceOf) { |
| ASSERT_TRUE(VerifyMethod("MergeTypes_IfInstanceOf")); |
| ASSERT_TRUE(HasAssignable("Ljava/lang/Exception;", "Ljava/net/SocketTimeoutException;")); |
| ASSERT_TRUE(HasAssignable( |
| "Ljava/lang/Exception;", "Ljava/util/concurrent/TimeoutException;")); |
| } |
| |
| TEST_F(VerifierDepsTest, MergeTypes_Unresolved) { |
| ASSERT_TRUE(VerifyMethod("MergeTypes_Unresolved")); |
| ASSERT_TRUE(HasAssignable("Ljava/lang/Exception;", "Ljava/net/SocketTimeoutException;")); |
| ASSERT_TRUE(HasAssignable( |
| "Ljava/lang/Exception;", "Ljava/util/concurrent/TimeoutException;")); |
| } |
| |
| TEST_F(VerifierDepsTest, Throw) { |
| ASSERT_TRUE(VerifyMethod("Throw")); |
| ASSERT_TRUE(HasAssignable("Ljava/lang/Throwable;", "Ljava/lang/IllegalStateException;")); |
| } |
| |
| TEST_F(VerifierDepsTest, MoveException_Resolved) { |
| ASSERT_TRUE(VerifyMethod("MoveException_Resolved")); |
| |
| // Testing that all exception types are assignable to Throwable. |
| ASSERT_TRUE(HasAssignable("Ljava/lang/Throwable;", "Ljava/io/InterruptedIOException;")); |
| ASSERT_TRUE(HasAssignable("Ljava/lang/Throwable;", "Ljava/net/SocketTimeoutException;")); |
| ASSERT_TRUE(HasAssignable("Ljava/lang/Throwable;", "Ljava/util/zip/ZipException;")); |
| |
| // Testing that the merge type is assignable to Throwable. |
| ASSERT_TRUE(HasAssignable("Ljava/lang/Throwable;", "Ljava/io/IOException;")); |
| |
| // Merging of exception types. |
| ASSERT_TRUE(HasAssignable("Ljava/io/IOException;", "Ljava/io/InterruptedIOException;")); |
| ASSERT_TRUE(HasAssignable("Ljava/io/IOException;", "Ljava/util/zip/ZipException;")); |
| ASSERT_TRUE(HasAssignable( |
| "Ljava/io/InterruptedIOException;", "Ljava/net/SocketTimeoutException;")); |
| } |
| |
| TEST_F(VerifierDepsTest, InstanceField_Resolved_DeclaredInReferenced) { |
| ASSERT_TRUE(VerifyMethod("InstanceField_Resolved_DeclaredInReferenced")); |
| ASSERT_TRUE(HasAssignable( |
| "Ljava/io/InterruptedIOException;", "LMySocketTimeoutException;")); |
| } |
| |
| TEST_F(VerifierDepsTest, InstanceField_Resolved_DeclaredInSuperclass1) { |
| ASSERT_TRUE(VerifyMethod("InstanceField_Resolved_DeclaredInSuperclass1")); |
| ASSERT_TRUE(HasAssignable( |
| "Ljava/io/InterruptedIOException;", "LMySocketTimeoutException;")); |
| } |
| |
| TEST_F(VerifierDepsTest, InstanceField_Resolved_DeclaredInSuperclass2) { |
| ASSERT_TRUE(VerifyMethod("InstanceField_Resolved_DeclaredInSuperclass2")); |
| ASSERT_TRUE(HasAssignable( |
| "Ljava/io/InterruptedIOException;", "LMySocketTimeoutException;")); |
| } |
| |
| TEST_F(VerifierDepsTest, InvokeVirtual_Resolved_DeclaredInReferenced) { |
| ASSERT_TRUE(VerifyMethod("InvokeVirtual_Resolved_DeclaredInReferenced")); |
| // Type dependency on `this` argument. |
| ASSERT_TRUE(HasAssignable("Ljava/lang/Throwable;", "LMySocketTimeoutException;")); |
| } |
| |
| TEST_F(VerifierDepsTest, InvokeVirtual_Resolved_DeclaredInSuperclass1) { |
| ASSERT_TRUE(VerifyMethod("InvokeVirtual_Resolved_DeclaredInSuperclass1")); |
| // Type dependency on `this` argument. |
| ASSERT_TRUE(HasAssignable("Ljava/lang/Throwable;", "LMySocketTimeoutException;")); |
| } |
| |
| TEST_F(VerifierDepsTest, InvokeSuper_ThisAssignable) { |
| ASSERT_TRUE(VerifyMethod("InvokeSuper_ThisAssignable")); |
| ASSERT_TRUE(HasAssignable("Ljava/lang/Runnable;", "LMain;")); |
| } |
| |
| TEST_F(VerifierDepsTest, EncodeDecode) { |
| VerifyDexFile(); |
| |
| ASSERT_EQ(1u, NumberOfCompiledDexFiles()); |
| ASSERT_TRUE(HasEachKindOfRecord()); |
| |
| std::vector<uint8_t> buffer; |
| verifier_deps_->Encode(dex_files_, &buffer); |
| ASSERT_FALSE(buffer.empty()); |
| |
| VerifierDeps decoded_deps(dex_files_, /*output_only=*/ false); |
| bool parsed = decoded_deps.ParseStoredData(dex_files_, ArrayRef<const uint8_t>(buffer)); |
| ASSERT_TRUE(parsed); |
| ASSERT_TRUE(verifier_deps_->Equals(decoded_deps)); |
| } |
| |
| TEST_F(VerifierDepsTest, EncodeDecodeMulti) { |
| VerifyDexFile("MultiDex"); |
| |
| ASSERT_GT(NumberOfCompiledDexFiles(), 1u); |
| std::vector<uint8_t> buffer; |
| verifier_deps_->Encode(dex_files_, &buffer); |
| ASSERT_FALSE(buffer.empty()); |
| |
| // Create new DexFile, to mess with std::map order: the verifier deps used |
| // to iterate over the map, which doesn't guarantee insertion order. We fixed |
| // this by passing the expected order when encoding/decoding. |
| std::vector<std::unique_ptr<const DexFile>> first_dex_files = OpenTestDexFiles("VerifierDeps"); |
| std::vector<std::unique_ptr<const DexFile>> second_dex_files = OpenTestDexFiles("MultiDex"); |
| std::vector<const DexFile*> dex_files; |
| for (auto& dex_file : first_dex_files) { |
| dex_files.push_back(dex_file.get()); |
| } |
| for (auto& dex_file : second_dex_files) { |
| dex_files.push_back(dex_file.get()); |
| } |
| |
| // Dump the new verifier deps to ensure it can properly read the data. |
| VerifierDeps decoded_deps(dex_files, /*output_only=*/ false); |
| bool parsed = decoded_deps.ParseStoredData(dex_files, ArrayRef<const uint8_t>(buffer)); |
| ASSERT_TRUE(parsed); |
| std::ostringstream stream; |
| VariableIndentationOutputStream os(&stream); |
| decoded_deps.Dump(&os); |
| } |
| |
| TEST_F(VerifierDepsTest, UnverifiedClasses) { |
| VerifyDexFile(); |
| ASSERT_FALSE(HasUnverifiedClass("LMyThread;")); |
| // Test that a class with a soft failure is recorded. |
| ASSERT_TRUE(HasUnverifiedClass("LMain;")); |
| // Test that a class with hard failure is recorded. |
| ASSERT_TRUE(HasUnverifiedClass("LMyVerificationFailure;")); |
| // Test that a class with unresolved super and hard failure is recorded. |
| ASSERT_TRUE(HasUnverifiedClass("LMyClassWithNoSuperButFailures;")); |
| // Test that a class with unresolved super can be verified. |
| ASSERT_TRUE(HasVerifiedClass("LMyClassWithNoSuper;")); |
| } |
| |
| TEST_F(VerifierDepsTest, UnverifiedOrder) { |
| ScopedObjectAccess soa(Thread::Current()); |
| jobject loader = LoadDex("VerifierDeps"); |
| std::vector<const DexFile*> dex_files = GetDexFiles(loader); |
| ASSERT_GT(dex_files.size(), 0u); |
| const DexFile* dex_file = dex_files[0]; |
| VerifierDeps deps1(dex_files); |
| deps1.MaybeRecordVerificationStatus(&deps1, |
| *dex_file, |
| dex_file->GetClassDef(0u), |
| verifier::FailureKind::kHardFailure); |
| deps1.MaybeRecordVerificationStatus(&deps1, |
| *dex_file, |
| dex_file->GetClassDef(1u), |
| verifier::FailureKind::kHardFailure); |
| VerifierDeps deps2(dex_files); |
| deps2.MaybeRecordVerificationStatus(&deps2, |
| *dex_file, |
| dex_file->GetClassDef(1u), |
| verifier::FailureKind::kHardFailure); |
| deps2.MaybeRecordVerificationStatus(&deps2, |
| *dex_file, |
| dex_file->GetClassDef(0u), |
| verifier::FailureKind::kHardFailure); |
| std::vector<uint8_t> buffer1; |
| deps1.Encode(dex_files, &buffer1); |
| std::vector<uint8_t> buffer2; |
| deps2.Encode(dex_files, &buffer2); |
| EXPECT_EQ(buffer1, buffer2); |
| } |
| |
| TEST_F(VerifierDepsTest, VerifyDeps) { |
| std::string error_msg; |
| |
| VerifyDexFile(); |
| ASSERT_EQ(1u, NumberOfCompiledDexFiles()); |
| ASSERT_TRUE(HasEachKindOfRecord()); |
| |
| // When validating, we create a new class loader, as |
| // the existing `class_loader_` may contain erroneous classes, |
| // that ClassLinker::FindClass won't return. |
| |
| std::vector<uint8_t> buffer; |
| verifier_deps_->Encode(dex_files_, &buffer); |
| ASSERT_FALSE(buffer.empty()); |
| |
| // Check that dependencies are satisfied after decoding `buffer`. |
| ASSERT_TRUE(RunValidation([](VerifierDeps::DexFileDeps&) {}, buffer, &error_msg)) |
| << error_msg; |
| } |
| |
| TEST_F(VerifierDepsTest, CompilerDriver) { |
| SetupCompilerDriver(); |
| |
| // Test both multi-dex and single-dex configuration. |
| for (const char* multi : { "MultiDex", static_cast<const char*>(nullptr) }) { |
| // Test that the compiler driver behaves as expected when the dependencies |
| // verify and when they don't verify. |
| for (bool verify_failure : { false, true }) { |
| { |
| ScopedObjectAccess soa(Thread::Current()); |
| LoadDexFile(soa, "VerifierDeps", multi); |
| } |
| VerifyWithCompilerDriver(/* verifier_deps= */ nullptr); |
| |
| std::vector<uint8_t> buffer; |
| verifier_deps_->Encode(dex_files_, &buffer); |
| |
| { |
| ScopedObjectAccess soa(Thread::Current()); |
| LoadDexFile(soa, "VerifierDeps", multi); |
| } |
| VerifierDeps decoded_deps(dex_files_, /*output_only=*/ false); |
| bool parsed = decoded_deps.ParseStoredData(dex_files_, ArrayRef<const uint8_t>(buffer)); |
| ASSERT_TRUE(parsed); |
| VerifyWithCompilerDriver(&decoded_deps); |
| |
| if (verify_failure) { |
| ASSERT_FALSE(verifier_deps_ == nullptr); |
| ASSERT_FALSE(verifier_deps_->Equals(decoded_deps)); |
| } else { |
| VerifyClassStatus(decoded_deps); |
| } |
| } |
| } |
| } |
| |
| TEST_F(VerifierDepsTest, MultiDexVerification) { |
| VerifyDexFile("VerifierDepsMulti"); |
| ASSERT_EQ(NumberOfCompiledDexFiles(), 2u); |
| |
| ASSERT_TRUE(HasUnverifiedClass("LMySoftVerificationFailure;", *dex_files_[1])); |
| ASSERT_TRUE(HasUnverifiedClass("LMySub1SoftVerificationFailure;", *dex_files_[0])); |
| ASSERT_TRUE(HasUnverifiedClass("LMySub2SoftVerificationFailure;", *dex_files_[0])); |
| |
| std::vector<uint8_t> buffer; |
| verifier_deps_->Encode(dex_files_, &buffer); |
| ASSERT_FALSE(buffer.empty()); |
| } |
| |
| } // namespace verifier |
| } // namespace art |
