217 lines
10 KiB
C++
217 lines
10 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "class_linker.h"
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#include "common_compiler_test.h"
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#include "compiler.h"
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#include "dex/verification_results.h"
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#include "dex/quick/dex_file_to_method_inliner_map.h"
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#include "dex/quick_compiler_callbacks.h"
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#include "entrypoints/quick/quick_entrypoints.h"
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#include "mirror/art_method-inl.h"
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#include "mirror/class-inl.h"
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#include "mirror/object_array-inl.h"
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#include "mirror/object-inl.h"
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#include "oat_file-inl.h"
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#include "oat_writer.h"
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#include "scoped_thread_state_change.h"
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#include "vector_output_stream.h"
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namespace art {
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class OatTest : public CommonCompilerTest {
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protected:
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static const bool kCompile = false; // DISABLED_ due to the time to compile libcore
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void CheckMethod(mirror::ArtMethod* method,
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const OatFile::OatMethod& oat_method,
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const DexFile* dex_file)
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SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
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const CompiledMethod* compiled_method =
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compiler_driver_->GetCompiledMethod(MethodReference(dex_file,
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method->GetDexMethodIndex()));
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if (compiled_method == NULL) {
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EXPECT_TRUE(oat_method.GetQuickCode() == NULL) << PrettyMethod(method) << " "
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<< oat_method.GetQuickCode();
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EXPECT_TRUE(oat_method.GetPortableCode() == NULL) << PrettyMethod(method) << " "
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<< oat_method.GetPortableCode();
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EXPECT_EQ(oat_method.GetFrameSizeInBytes(), 0U);
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EXPECT_EQ(oat_method.GetCoreSpillMask(), 0U);
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EXPECT_EQ(oat_method.GetFpSpillMask(), 0U);
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} else {
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const void* quick_oat_code = oat_method.GetQuickCode();
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if (quick_oat_code != nullptr) {
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EXPECT_EQ(oat_method.GetFrameSizeInBytes(), compiled_method->GetFrameSizeInBytes());
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EXPECT_EQ(oat_method.GetCoreSpillMask(), compiled_method->GetCoreSpillMask());
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EXPECT_EQ(oat_method.GetFpSpillMask(), compiled_method->GetFpSpillMask());
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uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(quick_oat_code), 2);
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quick_oat_code = reinterpret_cast<const void*>(oat_code_aligned);
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const SwapVector<uint8_t>* quick_code = compiled_method->GetQuickCode();
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EXPECT_TRUE(quick_code != nullptr);
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size_t code_size = quick_code->size() * sizeof(quick_code[0]);
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EXPECT_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size))
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<< PrettyMethod(method) << " " << code_size;
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CHECK_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size));
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} else {
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const void* portable_oat_code = oat_method.GetPortableCode();
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EXPECT_TRUE(portable_oat_code != nullptr) << PrettyMethod(method);
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EXPECT_EQ(oat_method.GetFrameSizeInBytes(), 0U);
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EXPECT_EQ(oat_method.GetCoreSpillMask(), 0U);
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EXPECT_EQ(oat_method.GetFpSpillMask(), 0U);
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uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(portable_oat_code), 2);
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portable_oat_code = reinterpret_cast<const void*>(oat_code_aligned);
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const SwapVector<uint8_t>* portable_code = compiled_method->GetPortableCode();
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EXPECT_TRUE(portable_code != nullptr);
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size_t code_size = portable_code->size() * sizeof(portable_code[0]);
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EXPECT_EQ(0, memcmp(quick_oat_code, &portable_code[0], code_size))
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<< PrettyMethod(method) << " " << code_size;
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CHECK_EQ(0, memcmp(quick_oat_code, &portable_code[0], code_size));
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}
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}
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}
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};
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TEST_F(OatTest, WriteRead) {
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TimingLogger timings("OatTest::WriteRead", false, false);
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ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
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// TODO: make selectable.
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Compiler::Kind compiler_kind = kUsePortableCompiler
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? Compiler::kPortable
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: Compiler::kQuick;
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InstructionSet insn_set = kIsTargetBuild ? kThumb2 : kX86;
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InstructionSetFeatures insn_features;
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compiler_options_.reset(new CompilerOptions);
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verification_results_.reset(new VerificationResults(compiler_options_.get()));
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method_inliner_map_.reset(new DexFileToMethodInlinerMap);
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callbacks_.reset(new QuickCompilerCallbacks(verification_results_.get(),
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method_inliner_map_.get()));
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timer_.reset(new CumulativeLogger("Compilation times"));
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compiler_driver_.reset(new CompilerDriver(compiler_options_.get(),
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verification_results_.get(),
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method_inliner_map_.get(),
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compiler_kind, insn_set,
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insn_features, false, NULL, nullptr, 2, true, true,
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timer_.get()));
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jobject class_loader = NULL;
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if (kCompile) {
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TimingLogger timings("OatTest::WriteRead", false, false);
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compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings);
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}
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ScopedObjectAccess soa(Thread::Current());
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ScratchFile tmp;
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SafeMap<std::string, std::string> key_value_store;
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key_value_store.Put(OatHeader::kImageLocationKey, "lue.art");
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OatWriter oat_writer(class_linker->GetBootClassPath(),
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42U,
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4096U,
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0,
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compiler_driver_.get(),
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&timings,
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&key_value_store);
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bool success = compiler_driver_->WriteElf(GetTestAndroidRoot(),
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!kIsTargetBuild,
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class_linker->GetBootClassPath(),
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&oat_writer,
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tmp.GetFile());
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ASSERT_TRUE(success);
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if (kCompile) { // OatWriter strips the code, regenerate to compare
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compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings);
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}
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std::string error_msg;
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std::unique_ptr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(), tmp.GetFilename(), nullptr,
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nullptr, false, &error_msg));
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ASSERT_TRUE(oat_file.get() != nullptr) << error_msg;
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const OatHeader& oat_header = oat_file->GetOatHeader();
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ASSERT_TRUE(oat_header.IsValid());
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ASSERT_EQ(1U, oat_header.GetDexFileCount()); // core
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ASSERT_EQ(42U, oat_header.GetImageFileLocationOatChecksum());
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ASSERT_EQ(4096U, oat_header.GetImageFileLocationOatDataBegin());
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ASSERT_EQ("lue.art", std::string(oat_header.GetStoreValueByKey(OatHeader::kImageLocationKey)));
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const DexFile* dex_file = java_lang_dex_file_;
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uint32_t dex_file_checksum = dex_file->GetLocationChecksum();
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const OatFile::OatDexFile* oat_dex_file = oat_file->GetOatDexFile(dex_file->GetLocation().c_str(),
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&dex_file_checksum);
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ASSERT_TRUE(oat_dex_file != nullptr);
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CHECK_EQ(dex_file->GetLocationChecksum(), oat_dex_file->GetDexFileLocationChecksum());
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for (size_t i = 0; i < dex_file->NumClassDefs(); i++) {
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const DexFile::ClassDef& class_def = dex_file->GetClassDef(i);
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const byte* class_data = dex_file->GetClassData(class_def);
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size_t num_virtual_methods = 0;
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if (class_data != NULL) {
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ClassDataItemIterator it(*dex_file, class_data);
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num_virtual_methods = it.NumVirtualMethods();
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}
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const char* descriptor = dex_file->GetClassDescriptor(class_def);
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StackHandleScope<1> hs(soa.Self());
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mirror::Class* klass = class_linker->FindClass(soa.Self(), descriptor,
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NullHandle<mirror::ClassLoader>());
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const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(i);
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CHECK_EQ(mirror::Class::Status::kStatusNotReady, oat_class.GetStatus()) << descriptor;
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CHECK_EQ(kCompile ? OatClassType::kOatClassAllCompiled : OatClassType::kOatClassNoneCompiled,
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oat_class.GetType()) << descriptor;
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size_t method_index = 0;
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for (size_t i = 0; i < klass->NumDirectMethods(); i++, method_index++) {
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CheckMethod(klass->GetDirectMethod(i),
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oat_class.GetOatMethod(method_index), dex_file);
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}
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for (size_t i = 0; i < num_virtual_methods; i++, method_index++) {
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CheckMethod(klass->GetVirtualMethod(i),
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oat_class.GetOatMethod(method_index), dex_file);
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}
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}
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}
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TEST_F(OatTest, OatHeaderSizeCheck) {
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// If this test is failing and you have to update these constants,
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// it is time to update OatHeader::kOatVersion
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EXPECT_EQ(84U, sizeof(OatHeader));
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EXPECT_EQ(4U, sizeof(OatMethodOffsets));
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EXPECT_EQ(28U, sizeof(OatQuickMethodHeader));
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EXPECT_EQ(79 * GetInstructionSetPointerSize(kRuntimeISA), sizeof(QuickEntryPoints));
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}
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TEST_F(OatTest, OatHeaderIsValid) {
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InstructionSet instruction_set = kX86;
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InstructionSetFeatures instruction_set_features;
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std::vector<const DexFile*> dex_files;
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uint32_t image_file_location_oat_checksum = 0;
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uint32_t image_file_location_oat_begin = 0;
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OatHeader* oat_header = OatHeader::Create(instruction_set,
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instruction_set_features,
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&dex_files,
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image_file_location_oat_checksum,
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image_file_location_oat_begin,
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nullptr);
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ASSERT_NE(oat_header, nullptr);
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ASSERT_TRUE(oat_header->IsValid());
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char* magic = const_cast<char*>(oat_header->GetMagic());
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strcpy(magic, ""); // bad magic
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ASSERT_FALSE(oat_header->IsValid());
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strcpy(magic, "oat\n000"); // bad version
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ASSERT_FALSE(oat_header->IsValid());
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}
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} // namespace art
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