/*
* Copyright (C) 2011 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.
*/
#include "arch/instruction_set_features.h"
#include "art_method-inl.h"
#include "base/unix_file/fd_file.h"
#include "class_linker.h"
#include "common_compiler_test.h"
#include "compiled_method.h"
#include "compiler.h"
#include "debug/method_debug_info.h"
#include "dex/quick/dex_file_to_method_inliner_map.h"
#include "dex/quick_compiler_callbacks.h"
#include "dex/verification_results.h"
#include "driver/compiler_driver.h"
#include "driver/compiler_options.h"
#include "elf_writer.h"
#include "elf_writer_quick.h"
#include "entrypoints/quick/quick_entrypoints.h"
#include "linker/multi_oat_relative_patcher.h"
#include "linker/vector_output_stream.h"
#include "mirror/class-inl.h"
#include "mirror/object-inl.h"
#include "mirror/object_array-inl.h"
#include "oat_file-inl.h"
#include "oat_writer.h"
#include "scoped_thread_state_change.h"
#include "utils/test_dex_file_builder.h"
namespace art {
NO_RETURN static void Usage(const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
std::string error;
StringAppendV(&error, fmt, ap);
LOG(FATAL) << error;
va_end(ap);
UNREACHABLE();
}
class OatTest : public CommonCompilerTest {
protected:
static const bool kCompile = false; // DISABLED_ due to the time to compile libcore
void CheckMethod(ArtMethod* method,
const OatFile::OatMethod& oat_method,
const DexFile& dex_file)
SHARED_REQUIRES(Locks::mutator_lock_) {
const CompiledMethod* compiled_method =
compiler_driver_->GetCompiledMethod(MethodReference(&dex_file,
method->GetDexMethodIndex()));
if (compiled_method == nullptr) {
EXPECT_TRUE(oat_method.GetQuickCode() == nullptr) << PrettyMethod(method) << " "
<< oat_method.GetQuickCode();
EXPECT_EQ(oat_method.GetFrameSizeInBytes(), 0U);
EXPECT_EQ(oat_method.GetCoreSpillMask(), 0U);
EXPECT_EQ(oat_method.GetFpSpillMask(), 0U);
} else {
const void* quick_oat_code = oat_method.GetQuickCode();
EXPECT_TRUE(quick_oat_code != nullptr) << PrettyMethod(method);
EXPECT_EQ(oat_method.GetFrameSizeInBytes(), compiled_method->GetFrameSizeInBytes());
EXPECT_EQ(oat_method.GetCoreSpillMask(), compiled_method->GetCoreSpillMask());
EXPECT_EQ(oat_method.GetFpSpillMask(), compiled_method->GetFpSpillMask());
uintptr_t oat_code_aligned = RoundDown(reinterpret_cast<uintptr_t>(quick_oat_code), 2);
quick_oat_code = reinterpret_cast<const void*>(oat_code_aligned);
ArrayRef<const uint8_t> quick_code = compiled_method->GetQuickCode();
EXPECT_FALSE(quick_code.empty());
size_t code_size = quick_code.size() * sizeof(quick_code[0]);
EXPECT_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size))
<< PrettyMethod(method) << " " << code_size;
CHECK_EQ(0, memcmp(quick_oat_code, &quick_code[0], code_size));
}
}
void SetupCompiler(Compiler::Kind compiler_kind,
InstructionSet insn_set,
const std::vector<std::string>& compiler_options,
/*out*/std::string* error_msg) {
ASSERT_TRUE(error_msg != nullptr);
insn_features_.reset(InstructionSetFeatures::FromVariant(insn_set, "default", error_msg));
ASSERT_TRUE(insn_features_ != nullptr) << error_msg;
compiler_options_.reset(new CompilerOptions);
for (const std::string& option : compiler_options) {
compiler_options_->ParseCompilerOption(option, Usage);
}
verification_results_.reset(new VerificationResults(compiler_options_.get()));
method_inliner_map_.reset(new DexFileToMethodInlinerMap);
callbacks_.reset(new QuickCompilerCallbacks(verification_results_.get(),
method_inliner_map_.get(),
CompilerCallbacks::CallbackMode::kCompileApp));
Runtime::Current()->SetCompilerCallbacks(callbacks_.get());
timer_.reset(new CumulativeLogger("Compilation times"));
compiler_driver_.reset(new CompilerDriver(compiler_options_.get(),
verification_results_.get(),
method_inliner_map_.get(),
compiler_kind,
insn_set,
insn_features_.get(),
/* boot_image */ false,
/* app_image */ false,
/* image_classes */ nullptr,
/* compiled_classes */ nullptr,
/* compiled_methods */ nullptr,
/* thread_count */ 2,
/* dump_stats */ true,
/* dump_passes */ true,
timer_.get(),
/* swap_fd */ -1,
/* profile_compilation_info */ nullptr));
}
bool WriteElf(File* file,
const std::vector<const DexFile*>& dex_files,
SafeMap<std::string, std::string>& key_value_store,
bool verify) {
TimingLogger timings("WriteElf", false, false);
OatWriter oat_writer(/*compiling_boot_image*/false, &timings);
for (const DexFile* dex_file : dex_files) {
ArrayRef<const uint8_t> raw_dex_file(
reinterpret_cast<const uint8_t*>(&dex_file->GetHeader()),
dex_file->GetHeader().file_size_);
if (!oat_writer.AddRawDexFileSource(raw_dex_file,
dex_file->GetLocation().c_str(),
dex_file->GetLocationChecksum())) {
return false;
}
}
return DoWriteElf(file, oat_writer, key_value_store, verify);
}
bool WriteElf(File* file,
const std::vector<const char*>& dex_filenames,
SafeMap<std::string, std::string>& key_value_store,
bool verify) {
TimingLogger timings("WriteElf", false, false);
OatWriter oat_writer(/*compiling_boot_image*/false, &timings);
for (const char* dex_filename : dex_filenames) {
if (!oat_writer.AddDexFileSource(dex_filename, dex_filename)) {
return false;
}
}
return DoWriteElf(file, oat_writer, key_value_store, verify);
}
bool WriteElf(File* file,
ScopedFd&& zip_fd,
const char* location,
SafeMap<std::string, std::string>& key_value_store,
bool verify) {
TimingLogger timings("WriteElf", false, false);
OatWriter oat_writer(/*compiling_boot_image*/false, &timings);
if (!oat_writer.AddZippedDexFilesSource(std::move(zip_fd), location)) {
return false;
}
return DoWriteElf(file, oat_writer, key_value_store, verify);
}
bool DoWriteElf(File* file,
OatWriter& oat_writer,
SafeMap<std::string, std::string>& key_value_store,
bool verify) {
std::unique_ptr<ElfWriter> elf_writer = CreateElfWriterQuick(
compiler_driver_->GetInstructionSet(),
compiler_driver_->GetInstructionSetFeatures(),
&compiler_driver_->GetCompilerOptions(),
file);
elf_writer->Start();
OutputStream* rodata = elf_writer->StartRoData();
std::unique_ptr<MemMap> opened_dex_files_map;
std::vector<std::unique_ptr<const DexFile>> opened_dex_files;
if (!oat_writer.WriteAndOpenDexFiles(rodata,
file,
compiler_driver_->GetInstructionSet(),
compiler_driver_->GetInstructionSetFeatures(),
&key_value_store,
verify,
&opened_dex_files_map,
&opened_dex_files)) {
return false;
}
Runtime* runtime = Runtime::Current();
ClassLinker* const class_linker = runtime->GetClassLinker();
std::vector<const DexFile*> dex_files;
for (const std::unique_ptr<const DexFile>& dex_file : opened_dex_files) {
dex_files.push_back(dex_file.get());
ScopedObjectAccess soa(Thread::Current());
class_linker->RegisterDexFile(*dex_file, nullptr);
}
linker::MultiOatRelativePatcher patcher(compiler_driver_->GetInstructionSet(),
instruction_set_features_.get());
oat_writer.PrepareLayout(compiler_driver_.get(), nullptr, dex_files, &patcher);
size_t rodata_size = oat_writer.GetOatHeader().GetExecutableOffset();
size_t text_size = oat_writer.GetSize() - rodata_size;
elf_writer->SetLoadedSectionSizes(rodata_size, text_size, oat_writer.GetBssSize());
if (!oat_writer.WriteRodata(rodata)) {
return false;
}
elf_writer->EndRoData(rodata);
OutputStream* text = elf_writer->StartText();
if (!oat_writer.WriteCode(text)) {
return false;
}
elf_writer->EndText(text);
if (!oat_writer.WriteHeader(elf_writer->GetStream(), 42U, 4096U, 0)) {
return false;
}
elf_writer->WriteDynamicSection();
elf_writer->WriteDebugInfo(oat_writer.GetMethodDebugInfo());
elf_writer->WritePatchLocations(oat_writer.GetAbsolutePatchLocations());
return elf_writer->End();
}
void TestDexFileInput(bool verify, bool low_4gb);
void TestZipFileInput(bool verify);
std::unique_ptr<const InstructionSetFeatures> insn_features_;
std::unique_ptr<QuickCompilerCallbacks> callbacks_;
};
class ZipBuilder {
public:
explicit ZipBuilder(File* zip_file) : zip_file_(zip_file) { }
bool AddFile(const char* location, const void* data, size_t size) {
off_t offset = lseek(zip_file_->Fd(), 0, SEEK_CUR);
if (offset == static_cast<off_t>(-1)) {
return false;
}
ZipFileHeader file_header;
file_header.crc32 = crc32(0u, reinterpret_cast<const Bytef*>(data), size);
file_header.compressed_size = size;
file_header.uncompressed_size = size;
file_header.filename_length = strlen(location);
if (!zip_file_->WriteFully(&file_header, sizeof(file_header)) ||
!zip_file_->WriteFully(location, file_header.filename_length) ||
!zip_file_->WriteFully(data, size)) {
return false;
}
CentralDirectoryFileHeader cdfh;
cdfh.crc32 = file_header.crc32;
cdfh.compressed_size = size;
cdfh.uncompressed_size = size;
cdfh.filename_length = file_header.filename_length;
cdfh.relative_offset_of_local_file_header = offset;
file_data_.push_back(FileData { cdfh, location });
return true;
}
bool Finish() {
off_t offset = lseek(zip_file_->Fd(), 0, SEEK_CUR);
if (offset == static_cast<off_t>(-1)) {
return false;
}
size_t central_directory_size = 0u;
for (const FileData& file_data : file_data_) {
if (!zip_file_->WriteFully(&file_data.cdfh, sizeof(file_data.cdfh)) ||
!zip_file_->WriteFully(file_data.location, file_data.cdfh.filename_length)) {
return false;
}
central_directory_size += sizeof(file_data.cdfh) + file_data.cdfh.filename_length;
}
EndOfCentralDirectoryRecord eocd_record;
eocd_record.number_of_central_directory_records_on_this_disk = file_data_.size();
eocd_record.total_number_of_central_directory_records = file_data_.size();
eocd_record.size_of_central_directory = central_directory_size;
eocd_record.offset_of_start_of_central_directory = offset;
return
zip_file_->WriteFully(&eocd_record, sizeof(eocd_record)) &&
zip_file_->Flush() == 0;
}
private:
struct PACKED(1) ZipFileHeader {
uint32_t signature = 0x04034b50;
uint16_t version_needed_to_extract = 10;
uint16_t general_purpose_bit_flag = 0;
uint16_t compression_method = 0; // 0 = store only.
uint16_t file_last_modification_time = 0u;
uint16_t file_last_modification_date = 0u;
uint32_t crc32;
uint32_t compressed_size;
uint32_t uncompressed_size;
uint16_t filename_length;
uint16_t extra_field_length = 0u; // No extra fields.
};
struct PACKED(1) CentralDirectoryFileHeader {
uint32_t signature = 0x02014b50;
uint16_t version_made_by = 10;
uint16_t version_needed_to_extract = 10;
uint16_t general_purpose_bit_flag = 0;
uint16_t compression_method = 0; // 0 = store only.
uint16_t file_last_modification_time = 0u;
uint16_t file_last_modification_date = 0u;
uint32_t crc32;
uint32_t compressed_size;
uint32_t uncompressed_size;
uint16_t filename_length;
uint16_t extra_field_length = 0u; // No extra fields.
uint16_t file_comment_length = 0u; // No file comment.
uint16_t disk_number_where_file_starts = 0u;
uint16_t internal_file_attributes = 0u;
uint32_t external_file_attributes = 0u;
uint32_t relative_offset_of_local_file_header;
};
struct PACKED(1) EndOfCentralDirectoryRecord {
uint32_t signature = 0x06054b50;
uint16_t number_of_this_disk = 0u;
uint16_t disk_where_central_directory_starts = 0u;
uint16_t number_of_central_directory_records_on_this_disk;
uint16_t total_number_of_central_directory_records;
uint32_t size_of_central_directory;
uint32_t offset_of_start_of_central_directory;
uint16_t comment_length = 0u; // No file comment.
};
struct FileData {
CentralDirectoryFileHeader cdfh;
const char* location;
};
File* zip_file_;
std::vector<FileData> file_data_;
};
TEST_F(OatTest, WriteRead) {
TimingLogger timings("OatTest::WriteRead", false, false);
ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
// TODO: make selectable.
Compiler::Kind compiler_kind = Compiler::kQuick;
InstructionSet insn_set = kIsTargetBuild ? kThumb2 : kX86;
std::string error_msg;
SetupCompiler(compiler_kind, insn_set, std::vector<std::string>(), /*out*/ &error_msg);
jobject class_loader = nullptr;
if (kCompile) {
TimingLogger timings2("OatTest::WriteRead", false, false);
compiler_driver_->SetDexFilesForOatFile(class_linker->GetBootClassPath());
compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings2);
}
ScratchFile tmp;
SafeMap<std::string, std::string> key_value_store;
key_value_store.Put(OatHeader::kImageLocationKey, "lue.art");
bool success = WriteElf(tmp.GetFile(), class_linker->GetBootClassPath(), key_value_store, false);
ASSERT_TRUE(success);
if (kCompile) { // OatWriter strips the code, regenerate to compare
compiler_driver_->CompileAll(class_loader, class_linker->GetBootClassPath(), &timings);
}
std::unique_ptr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(),
tmp.GetFilename(),
nullptr,
nullptr,
false,
/*low_4gb*/true,
nullptr,
&error_msg));
ASSERT_TRUE(oat_file.get() != nullptr) << error_msg;
const OatHeader& oat_header = oat_file->GetOatHeader();
ASSERT_TRUE(oat_header.IsValid());
ASSERT_EQ(class_linker->GetBootClassPath().size(), oat_header.GetDexFileCount()); // core
ASSERT_EQ(42U, oat_header.GetImageFileLocationOatChecksum());
ASSERT_EQ(4096U, oat_header.GetImageFileLocationOatDataBegin());
ASSERT_EQ("lue.art", std::string(oat_header.GetStoreValueByKey(OatHeader::kImageLocationKey)));
ASSERT_TRUE(java_lang_dex_file_ != nullptr);
const DexFile& dex_file = *java_lang_dex_file_;
uint32_t dex_file_checksum = dex_file.GetLocationChecksum();
const OatFile::OatDexFile* oat_dex_file = oat_file->GetOatDexFile(dex_file.GetLocation().c_str(),
&dex_file_checksum);
ASSERT_TRUE(oat_dex_file != nullptr);
CHECK_EQ(dex_file.GetLocationChecksum(), oat_dex_file->GetDexFileLocationChecksum());
ScopedObjectAccess soa(Thread::Current());
auto pointer_size = class_linker->GetImagePointerSize();
for (size_t i = 0; i < dex_file.NumClassDefs(); i++) {
const DexFile::ClassDef& class_def = dex_file.GetClassDef(i);
const uint8_t* class_data = dex_file.GetClassData(class_def);
size_t num_virtual_methods = 0;
if (class_data != nullptr) {
ClassDataItemIterator it(dex_file, class_data);
num_virtual_methods = it.NumVirtualMethods();
}
const char* descriptor = dex_file.GetClassDescriptor(class_def);
mirror::Class* klass = class_linker->FindClass(soa.Self(),
descriptor,
ScopedNullHandle<mirror::ClassLoader>());
const OatFile::OatClass oat_class = oat_dex_file->GetOatClass(i);
CHECK_EQ(mirror::Class::Status::kStatusNotReady, oat_class.GetStatus()) << descriptor;
CHECK_EQ(kCompile ? OatClassType::kOatClassAllCompiled : OatClassType::kOatClassNoneCompiled,
oat_class.GetType()) << descriptor;
size_t method_index = 0;
for (auto& m : klass->GetDirectMethods(pointer_size)) {
CheckMethod(&m, oat_class.GetOatMethod(method_index), dex_file);
++method_index;
}
size_t visited_virtuals = 0;
// TODO We should also check copied methods in this test.
for (auto& m : klass->GetDeclaredVirtualMethods(pointer_size)) {
if (!klass->IsInterface()) {
EXPECT_FALSE(m.IsCopied());
}
CheckMethod(&m, oat_class.GetOatMethod(method_index), dex_file);
++method_index;
++visited_virtuals;
}
EXPECT_EQ(visited_virtuals, num_virtual_methods);
}
}
TEST_F(OatTest, OatHeaderSizeCheck) {
// If this test is failing and you have to update these constants,
// it is time to update OatHeader::kOatVersion
EXPECT_EQ(72U, sizeof(OatHeader));
EXPECT_EQ(4U, sizeof(OatMethodOffsets));
EXPECT_EQ(20U, sizeof(OatQuickMethodHeader));
EXPECT_EQ(132 * GetInstructionSetPointerSize(kRuntimeISA), sizeof(QuickEntryPoints));
}
TEST_F(OatTest, OatHeaderIsValid) {
InstructionSet insn_set = kX86;
std::string error_msg;
std::unique_ptr<const InstructionSetFeatures> insn_features(
InstructionSetFeatures::FromVariant(insn_set, "default", &error_msg));
ASSERT_TRUE(insn_features.get() != nullptr) << error_msg;
std::unique_ptr<OatHeader> oat_header(OatHeader::Create(insn_set,
insn_features.get(),
0u,
nullptr));
ASSERT_NE(oat_header.get(), nullptr);
ASSERT_TRUE(oat_header->IsValid());
char* magic = const_cast<char*>(oat_header->GetMagic());
strcpy(magic, ""); // bad magic
ASSERT_FALSE(oat_header->IsValid());
strcpy(magic, "oat\n000"); // bad version
ASSERT_FALSE(oat_header->IsValid());
}
TEST_F(OatTest, EmptyTextSection) {
TimingLogger timings("OatTest::EmptyTextSection", false, false);
// TODO: make selectable.
Compiler::Kind compiler_kind = Compiler::kQuick;
InstructionSet insn_set = kRuntimeISA;
if (insn_set == kArm) insn_set = kThumb2;
std::string error_msg;
std::vector<std::string> compiler_options;
compiler_options.push_back("--compiler-filter=verify-at-runtime");
SetupCompiler(compiler_kind, insn_set, compiler_options, /*out*/ &error_msg);
jobject class_loader;
{
ScopedObjectAccess soa(Thread::Current());
class_loader = LoadDex("Main");
}
ASSERT_TRUE(class_loader != nullptr);
std::vector<const DexFile*> dex_files = GetDexFiles(class_loader);
ASSERT_TRUE(!dex_files.empty());
ClassLinker* const class_linker = Runtime::Current()->GetClassLinker();
for (const DexFile* dex_file : dex_files) {
ScopedObjectAccess soa(Thread::Current());
class_linker->RegisterDexFile(*dex_file, soa.Decode<mirror::ClassLoader*>(class_loader));
}
compiler_driver_->SetDexFilesForOatFile(dex_files);
compiler_driver_->CompileAll(class_loader, dex_files, &timings);
ScratchFile tmp;
SafeMap<std::string, std::string> key_value_store;
key_value_store.Put(OatHeader::kImageLocationKey, "test.art");
bool success = WriteElf(tmp.GetFile(), dex_files, key_value_store, false);
ASSERT_TRUE(success);
std::unique_ptr<OatFile> oat_file(OatFile::Open(tmp.GetFilename(),
tmp.GetFilename(),
nullptr,
nullptr,
false,
/*low_4gb*/false,
nullptr,
&error_msg));
ASSERT_TRUE(oat_file != nullptr);
EXPECT_LT(static_cast<size_t>(oat_file->Size()), static_cast<size_t>(tmp.GetFile()->GetLength()));
}
static void MaybeModifyDexFileToFail(bool verify, std::unique_ptr<const DexFile>& data) {
// If in verify mode (= fail the verifier mode), make sure we fail early. We'll fail already
// because of the missing map, but that may lead to out of bounds reads.
if (verify) {
const_cast<DexFile::Header*>(&data->GetHeader())->checksum_++;
}
}
void OatTest::TestDexFileInput(bool verify, bool low_4gb) {
TimingLogger timings("OatTest::DexFileInput", false, false);
std::vector<const char*> input_filenames;
ScratchFile dex_file1;
TestDexFileBuilder builder1;
builder1.AddField("Lsome.TestClass;", "int", "someField");
builder1.AddMethod("Lsome.TestClass;", "()I", "foo");
std::unique_ptr<const DexFile> dex_file1_data = builder1.Build(dex_file1.GetFilename());
MaybeModifyDexFileToFail(verify, dex_file1_data);
bool success = dex_file1.GetFile()->WriteFully(&dex_file1_data->GetHeader(),
dex_file1_data->GetHeader().file_size_);
ASSERT_TRUE(success);
success = dex_file1.GetFile()->Flush() == 0;
ASSERT_TRUE(success);
input_filenames.push_back(dex_file1.GetFilename().c_str());
ScratchFile dex_file2;
TestDexFileBuilder builder2;
builder2.AddField("Land.AnotherTestClass;", "boolean", "someOtherField");
builder2.AddMethod("Land.AnotherTestClass;", "()J", "bar");
std::unique_ptr<const DexFile> dex_file2_data = builder2.Build(dex_file2.GetFilename());
MaybeModifyDexFileToFail(verify, dex_file2_data);
success = dex_file2.GetFile()->WriteFully(&dex_file2_data->GetHeader(),
dex_file2_data->GetHeader().file_size_);
ASSERT_TRUE(success);
success = dex_file2.GetFile()->Flush() == 0;
ASSERT_TRUE(success);
input_filenames.push_back(dex_file2.GetFilename().c_str());
ScratchFile oat_file;
SafeMap<std::string, std::string> key_value_store;
key_value_store.Put(OatHeader::kImageLocationKey, "test.art");
success = WriteElf(oat_file.GetFile(), input_filenames, key_value_store, verify);
// In verify mode, we expect failure.
if (verify) {
ASSERT_FALSE(success);
return;
}
ASSERT_TRUE(success);
std::string error_msg;
std::unique_ptr<OatFile> opened_oat_file(OatFile::Open(oat_file.GetFilename(),
oat_file.GetFilename(),
nullptr,
nullptr,
false,
low_4gb,
nullptr,
&error_msg));
if (low_4gb) {
uintptr_t begin = reinterpret_cast<uintptr_t>(opened_oat_file->Begin());
EXPECT_EQ(begin, static_cast<uint32_t>(begin));
}
ASSERT_TRUE(opened_oat_file != nullptr);
ASSERT_EQ(2u, opened_oat_file->GetOatDexFiles().size());
std::unique_ptr<const DexFile> opened_dex_file1 =
opened_oat_file->GetOatDexFiles()[0]->OpenDexFile(&error_msg);
std::unique_ptr<const DexFile> opened_dex_file2 =
opened_oat_file->GetOatDexFiles()[1]->OpenDexFile(&error_msg);
ASSERT_EQ(dex_file1_data->GetHeader().file_size_, opened_dex_file1->GetHeader().file_size_);
ASSERT_EQ(0, memcmp(&dex_file1_data->GetHeader(),
&opened_dex_file1->GetHeader(),
dex_file1_data->GetHeader().file_size_));
ASSERT_EQ(dex_file1_data->GetLocation(), opened_dex_file1->GetLocation());
ASSERT_EQ(dex_file2_data->GetHeader().file_size_, opened_dex_file2->GetHeader().file_size_);
ASSERT_EQ(0, memcmp(&dex_file2_data->GetHeader(),
&opened_dex_file2->GetHeader(),
dex_file2_data->GetHeader().file_size_));
ASSERT_EQ(dex_file2_data->GetLocation(), opened_dex_file2->GetLocation());
}
TEST_F(OatTest, DexFileInputCheckOutput) {
TestDexFileInput(false, /*low_4gb*/false);
}
TEST_F(OatTest, DexFileInputCheckOutputLow4GB) {
TestDexFileInput(false, /*low_4gb*/true);
}
TEST_F(OatTest, DexFileInputCheckVerifier) {
TestDexFileInput(true, /*low_4gb*/false);
}
void OatTest::TestZipFileInput(bool verify) {
TimingLogger timings("OatTest::DexFileInput", false, false);
ScratchFile zip_file;
ZipBuilder zip_builder(zip_file.GetFile());
ScratchFile dex_file1;
TestDexFileBuilder builder1;
builder1.AddField("Lsome.TestClass;", "long", "someField");
builder1.AddMethod("Lsome.TestClass;", "()D", "foo");
std::unique_ptr<const DexFile> dex_file1_data = builder1.Build(dex_file1.GetFilename());
MaybeModifyDexFileToFail(verify, dex_file1_data);
bool success = dex_file1.GetFile()->WriteFully(&dex_file1_data->GetHeader(),
dex_file1_data->GetHeader().file_size_);
ASSERT_TRUE(success);
success = dex_file1.GetFile()->Flush() == 0;
ASSERT_TRUE(success);
success = zip_builder.AddFile("classes.dex",
&dex_file1_data->GetHeader(),
dex_file1_data->GetHeader().file_size_);
ASSERT_TRUE(success);
ScratchFile dex_file2;
TestDexFileBuilder builder2;
builder2.AddField("Land.AnotherTestClass;", "boolean", "someOtherField");
builder2.AddMethod("Land.AnotherTestClass;", "()J", "bar");
std::unique_ptr<const DexFile> dex_file2_data = builder2.Build(dex_file2.GetFilename());
MaybeModifyDexFileToFail(verify, dex_file2_data);
success = dex_file2.GetFile()->WriteFully(&dex_file2_data->GetHeader(),
dex_file2_data->GetHeader().file_size_);
ASSERT_TRUE(success);
success = dex_file2.GetFile()->Flush() == 0;
ASSERT_TRUE(success);
success = zip_builder.AddFile("classes2.dex",
&dex_file2_data->GetHeader(),
dex_file2_data->GetHeader().file_size_);
ASSERT_TRUE(success);
success = zip_builder.Finish();
ASSERT_TRUE(success) << strerror(errno);
SafeMap<std::string, std::string> key_value_store;
key_value_store.Put(OatHeader::kImageLocationKey, "test.art");
{
// Test using the AddDexFileSource() interface with the zip file.
std::vector<const char*> input_filenames { zip_file.GetFilename().c_str() }; // NOLINT [readability/braces] [4]
ScratchFile oat_file;
success = WriteElf(oat_file.GetFile(), input_filenames, key_value_store, verify);
if (verify) {
ASSERT_FALSE(success);
} else {
ASSERT_TRUE(success);
std::string error_msg;
std::unique_ptr<OatFile> opened_oat_file(OatFile::Open(oat_file.GetFilename(),
oat_file.GetFilename(),
nullptr,
nullptr,
false,
/*low_4gb*/false,
nullptr,
&error_msg));
ASSERT_TRUE(opened_oat_file != nullptr);
ASSERT_EQ(2u, opened_oat_file->GetOatDexFiles().size());
std::unique_ptr<const DexFile> opened_dex_file1 =
opened_oat_file->GetOatDexFiles()[0]->OpenDexFile(&error_msg);
std::unique_ptr<const DexFile> opened_dex_file2 =
opened_oat_file->GetOatDexFiles()[1]->OpenDexFile(&error_msg);
ASSERT_EQ(dex_file1_data->GetHeader().file_size_, opened_dex_file1->GetHeader().file_size_);
ASSERT_EQ(0, memcmp(&dex_file1_data->GetHeader(),
&opened_dex_file1->GetHeader(),
dex_file1_data->GetHeader().file_size_));
ASSERT_EQ(DexFile::GetMultiDexLocation(0, zip_file.GetFilename().c_str()),
opened_dex_file1->GetLocation());
ASSERT_EQ(dex_file2_data->GetHeader().file_size_, opened_dex_file2->GetHeader().file_size_);
ASSERT_EQ(0, memcmp(&dex_file2_data->GetHeader(),
&opened_dex_file2->GetHeader(),
dex_file2_data->GetHeader().file_size_));
ASSERT_EQ(DexFile::GetMultiDexLocation(1, zip_file.GetFilename().c_str()),
opened_dex_file2->GetLocation());
}
}
{
// Test using the AddZipDexFileSource() interface with the zip file handle.
ScopedFd zip_fd(dup(zip_file.GetFd()));
ASSERT_NE(-1, zip_fd.get());
ScratchFile oat_file;
success = WriteElf(oat_file.GetFile(),
std::move(zip_fd),
zip_file.GetFilename().c_str(),
key_value_store,
verify);
if (verify) {
ASSERT_FALSE(success);
} else {
ASSERT_TRUE(success);
std::string error_msg;
std::unique_ptr<OatFile> opened_oat_file(OatFile::Open(oat_file.GetFilename(),
oat_file.GetFilename(),
nullptr,
nullptr,
false,
/*low_4gb*/false,
nullptr,
&error_msg));
ASSERT_TRUE(opened_oat_file != nullptr);
ASSERT_EQ(2u, opened_oat_file->GetOatDexFiles().size());
std::unique_ptr<const DexFile> opened_dex_file1 =
opened_oat_file->GetOatDexFiles()[0]->OpenDexFile(&error_msg);
std::unique_ptr<const DexFile> opened_dex_file2 =
opened_oat_file->GetOatDexFiles()[1]->OpenDexFile(&error_msg);
ASSERT_EQ(dex_file1_data->GetHeader().file_size_, opened_dex_file1->GetHeader().file_size_);
ASSERT_EQ(0, memcmp(&dex_file1_data->GetHeader(),
&opened_dex_file1->GetHeader(),
dex_file1_data->GetHeader().file_size_));
ASSERT_EQ(DexFile::GetMultiDexLocation(0, zip_file.GetFilename().c_str()),
opened_dex_file1->GetLocation());
ASSERT_EQ(dex_file2_data->GetHeader().file_size_, opened_dex_file2->GetHeader().file_size_);
ASSERT_EQ(0, memcmp(&dex_file2_data->GetHeader(),
&opened_dex_file2->GetHeader(),
dex_file2_data->GetHeader().file_size_));
ASSERT_EQ(DexFile::GetMultiDexLocation(1, zip_file.GetFilename().c_str()),
opened_dex_file2->GetLocation());
}
}
}
TEST_F(OatTest, ZipFileInputCheckOutput) {
TestZipFileInput(false);
}
TEST_F(OatTest, ZipFileInputCheckVerifier) {
TestZipFileInput(true);
}
TEST_F(OatTest, UpdateChecksum) {
InstructionSet insn_set = kX86;
std::string error_msg;
std::unique_ptr<const InstructionSetFeatures> insn_features(
InstructionSetFeatures::FromVariant(insn_set, "default", &error_msg));
ASSERT_TRUE(insn_features.get() != nullptr) << error_msg;
std::unique_ptr<OatHeader> oat_header(OatHeader::Create(insn_set,
insn_features.get(),
0u,
nullptr));
// The starting adler32 value is 1.
EXPECT_EQ(1U, oat_header->GetChecksum());
oat_header->UpdateChecksum(OatHeader::kOatMagic, sizeof(OatHeader::kOatMagic));
EXPECT_EQ(64291151U, oat_header->GetChecksum());
// Make sure that null data does not reset the checksum.
oat_header->UpdateChecksum(nullptr, 0);
EXPECT_EQ(64291151U, oat_header->GetChecksum());
oat_header->UpdateChecksum(OatHeader::kOatMagic, sizeof(OatHeader::kOatMagic));
EXPECT_EQ(216138397U, oat_header->GetChecksum());
}
} // namespace art