Make image test multi image
Required for testing multi image layout in future CLs.
Bug: 28640955
Test: clean-oat-hos, test-art-host, device booting
Change-Id: I14809f56e711b4a87e01056c327eddbbd087f4ee
diff --git a/compiler/image_test.cc b/compiler/image_test.cc
index 91579e9..e8b7729 100644
--- a/compiler/image_test.cc
+++ b/compiler/image_test.cc
@@ -56,33 +56,63 @@
compiler_options_->SetInlineMaxCodeUnits(CompilerOptions::kDefaultInlineMaxCodeUnits);
ClassLinker* class_linker = Runtime::Current()->GetClassLinker();
+ const std::vector<const DexFile*>& boot_class_path = class_linker->GetBootClassPath();
+ const size_t num_images = boot_class_path.size();
+
// Enable write for dex2dex.
- for (const DexFile* dex_file : class_linker->GetBootClassPath()) {
+ for (const DexFile* dex_file : boot_class_path) {
dex_file->EnableWrite();
}
// Create a generic location tmp file, to be the base of the .art and .oat temporary files.
- ScratchFile location;
- ScratchFile image_location(location, ".art");
- std::string image_filename(GetSystemImageFilename(image_location.GetFilename().c_str(),
- kRuntimeISA));
- size_t pos = image_filename.rfind('/');
- CHECK_NE(pos, std::string::npos) << image_filename;
- std::string image_dir(image_filename, 0, pos);
- int mkdir_result = mkdir(image_dir.c_str(), 0700);
- CHECK_EQ(0, mkdir_result) << image_dir;
- ScratchFile image_file(OS::CreateEmptyFile(image_filename.c_str()));
+ std::vector<ScratchFile> image_locations;
+ {
+ ScratchFile location;
+ for (int i = 0; i < static_cast<int>(num_images); ++i) {
+ std::string cur_location(StringPrintf("%s-%d.art", location.GetFilename().c_str(), i));
+ image_locations.push_back(ScratchFile(cur_location));
+ }
+ }
+ std::vector<std::string> image_filenames;
+ std::vector<ScratchFile> image_files;
+ std::string image_dir;
+ for (ScratchFile& file : image_locations) {
+ std::string image_filename(GetSystemImageFilename(file.GetFilename().c_str(), kRuntimeISA));
+ image_filenames.push_back(image_filename);
+ size_t pos = image_filename.rfind('/');
+ CHECK_NE(pos, std::string::npos) << image_filename;
+ if (image_dir.empty()) {
+ image_dir = image_filename.substr(0, pos);
+ int mkdir_result = mkdir(image_dir.c_str(), 0700);
+ CHECK_EQ(0, mkdir_result) << image_dir;
+ }
+ image_files.push_back(ScratchFile(OS::CreateEmptyFile(image_filename.c_str())));
+ }
- std::string oat_filename(image_filename, 0, image_filename.size() - 3);
- oat_filename += "oat";
- ScratchFile oat_file(OS::CreateEmptyFile(oat_filename.c_str()));
+ std::vector<std::string> oat_filenames;
+ std::vector<ScratchFile> oat_files;
+ for (const std::string& image_filename : image_filenames) {
+ std::string oat_filename(image_filename.substr(0, image_filename.size() - strlen("art")) + "oat");
+ oat_files.push_back(ScratchFile(OS::CreateEmptyFile(oat_filename.c_str())));
+ oat_filenames.push_back(oat_filename);
+ }
const uintptr_t requested_image_base = ART_BASE_ADDRESS;
std::unordered_map<const DexFile*, size_t> dex_file_to_oat_index_map;
- std::vector<const char*> oat_filename_vector(1, oat_filename.c_str());
- for (const DexFile* dex_file : class_linker->GetBootClassPath()) {
- dex_file_to_oat_index_map.emplace(dex_file, 0);
+ std::vector<const char*> oat_filename_vector;
+ for (const std::string& file : oat_filenames) {
+ oat_filename_vector.push_back(file.c_str());
}
+ std::vector<const char*> image_filename_vector;
+ for (const std::string& file : image_filenames) {
+ image_filename_vector.push_back(file.c_str());
+ }
+ size_t image_idx = 0;
+ for (const DexFile* dex_file : boot_class_path) {
+ dex_file_to_oat_index_map.emplace(dex_file, image_idx);
+ ++image_idx;
+ }
+ // TODO: compile_pic should be a test argument.
std::unique_ptr<ImageWriter> writer(new ImageWriter(*compiler_driver_,
requested_image_base,
/*compile_pic*/false,
@@ -90,7 +120,6 @@
storage_mode,
oat_filename_vector,
dex_file_to_oat_index_map));
- // TODO: compile_pic should be a test argument.
{
{
jobject class_loader = nullptr;
@@ -101,94 +130,129 @@
t.NewTiming("WriteElf");
SafeMap<std::string, std::string> key_value_store;
+ std::vector<const char*> dex_filename_vector;
+ for (size_t i = 0; i < boot_class_path.size(); ++i) {
+ dex_filename_vector.push_back("");
+ }
+ key_value_store.Put(OatHeader::kBootClassPathKey,
+ gc::space::ImageSpace::GetMultiImageBootClassPath(
+ dex_filename_vector,
+ oat_filename_vector,
+ image_filename_vector));
+
const std::vector<const DexFile*>& dex_files = class_linker->GetBootClassPath();
- std::unique_ptr<ElfWriter> elf_writer = CreateElfWriterQuick(
- compiler_driver_->GetInstructionSet(),
- compiler_driver_->GetInstructionSetFeatures(),
- &compiler_driver_->GetCompilerOptions(),
- oat_file.GetFile());
- elf_writer->Start();
- OatWriter oat_writer(/*compiling_boot_image*/true, &timings);
- OutputStream* rodata = elf_writer->StartRoData();
- for (const DexFile* dex_file : dex_files) {
+ std::vector<std::unique_ptr<ElfWriter>> elf_writers;
+ std::vector<std::unique_ptr<OatWriter>> oat_writers;
+ for (ScratchFile& oat_file : oat_files) {
+ elf_writers.emplace_back(CreateElfWriterQuick(compiler_driver_->GetInstructionSet(),
+ compiler_driver_->GetInstructionSetFeatures(),
+ &compiler_driver_->GetCompilerOptions(),
+ oat_file.GetFile()));
+ elf_writers.back()->Start();
+ oat_writers.emplace_back(new OatWriter(/*compiling_boot_image*/true, &timings));
+ }
+
+ std::vector<OutputStream*> rodata;
+ std::vector<std::unique_ptr<MemMap>> opened_dex_files_map;
+ std::vector<std::unique_ptr<const DexFile>> opened_dex_files;
+ // Now that we have finalized key_value_store_, start writing the oat file.
+ for (size_t i = 0, size = oat_writers.size(); i != size; ++i) {
+ const DexFile* dex_file = dex_files[i];
+ rodata.push_back(elf_writers[i]->StartRoData());
ArrayRef<const uint8_t> raw_dex_file(
reinterpret_cast<const uint8_t*>(&dex_file->GetHeader()),
dex_file->GetHeader().file_size_);
- oat_writer.AddRawDexFileSource(raw_dex_file,
- dex_file->GetLocation().c_str(),
- dex_file->GetLocationChecksum());
+ oat_writers[i]->AddRawDexFileSource(raw_dex_file,
+ dex_file->GetLocation().c_str(),
+ dex_file->GetLocationChecksum());
+
+ std::unique_ptr<MemMap> cur_opened_dex_files_map;
+ std::vector<std::unique_ptr<const DexFile>> cur_opened_dex_files;
+ bool dex_files_ok = oat_writers[i]->WriteAndOpenDexFiles(
+ rodata.back(),
+ oat_files[i].GetFile(),
+ compiler_driver_->GetInstructionSet(),
+ compiler_driver_->GetInstructionSetFeatures(),
+ &key_value_store,
+ /* verify */ false, // Dex files may be dex-to-dex-ed, don't verify.
+ &cur_opened_dex_files_map,
+ &cur_opened_dex_files);
+ ASSERT_TRUE(dex_files_ok);
+
+ if (cur_opened_dex_files_map != nullptr) {
+ opened_dex_files_map.push_back(std::move(cur_opened_dex_files_map));
+ for (std::unique_ptr<const DexFile>& cur_dex_file : cur_opened_dex_files) {
+ // dex_file_oat_index_map_.emplace(dex_file.get(), i);
+ opened_dex_files.push_back(std::move(cur_dex_file));
+ }
+ } else {
+ ASSERT_TRUE(cur_opened_dex_files.empty());
+ }
}
- std::unique_ptr<MemMap> opened_dex_files_map;
- std::vector<std::unique_ptr<const DexFile>> opened_dex_files;
- bool dex_files_ok = oat_writer.WriteAndOpenDexFiles(
- rodata,
- oat_file.GetFile(),
- compiler_driver_->GetInstructionSet(),
- compiler_driver_->GetInstructionSetFeatures(),
- &key_value_store,
- /* verify */ false, // Dex files may be dex-to-dex-ed, don't verify.
- &opened_dex_files_map,
- &opened_dex_files);
- ASSERT_TRUE(dex_files_ok);
bool image_space_ok = writer->PrepareImageAddressSpace();
ASSERT_TRUE(image_space_ok);
- linker::MultiOatRelativePatcher patcher(compiler_driver_->GetInstructionSet(),
- instruction_set_features_.get());
- oat_writer.PrepareLayout(compiler_driver_.get(), writer.get(), 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());
+ for (size_t i = 0, size = oat_files.size(); i != size; ++i) {
+ linker::MultiOatRelativePatcher patcher(compiler_driver_->GetInstructionSet(),
+ instruction_set_features_.get());
+ OatWriter* const oat_writer = oat_writers[i].get();
+ ElfWriter* const elf_writer = elf_writers[i].get();
+ std::vector<const DexFile*> cur_dex_files(1u, dex_files[i]);
+ oat_writer->PrepareLayout(compiler_driver_.get(), writer.get(), cur_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());
- writer->UpdateOatFileLayout(/* oat_index */ 0u,
- elf_writer->GetLoadedSize(),
- oat_writer.GetOatDataOffset(),
- oat_writer.GetSize());
+ writer->UpdateOatFileLayout(i,
+ elf_writer->GetLoadedSize(),
+ oat_writer->GetOatDataOffset(),
+ oat_writer->GetSize());
- bool rodata_ok = oat_writer.WriteRodata(rodata);
- ASSERT_TRUE(rodata_ok);
- elf_writer->EndRoData(rodata);
+ bool rodata_ok = oat_writer->WriteRodata(rodata[i]);
+ ASSERT_TRUE(rodata_ok);
+ elf_writer->EndRoData(rodata[i]);
- OutputStream* text = elf_writer->StartText();
- bool text_ok = oat_writer.WriteCode(text);
- ASSERT_TRUE(text_ok);
- elf_writer->EndText(text);
+ OutputStream* text = elf_writer->StartText();
+ bool text_ok = oat_writer->WriteCode(text);
+ ASSERT_TRUE(text_ok);
+ elf_writer->EndText(text);
- bool header_ok = oat_writer.WriteHeader(elf_writer->GetStream(), 0u, 0u, 0u);
- ASSERT_TRUE(header_ok);
+ bool header_ok = oat_writer->WriteHeader(elf_writer->GetStream(), 0u, 0u, 0u);
+ ASSERT_TRUE(header_ok);
- writer->UpdateOatFileHeader(/* oat_index */ 0u, oat_writer.GetOatHeader());
+ writer->UpdateOatFileHeader(i, oat_writer->GetOatHeader());
- elf_writer->WriteDynamicSection();
- elf_writer->WriteDebugInfo(oat_writer.GetMethodDebugInfo());
- elf_writer->WritePatchLocations(oat_writer.GetAbsolutePatchLocations());
+ elf_writer->WriteDynamicSection();
+ elf_writer->WriteDebugInfo(oat_writer->GetMethodDebugInfo());
+ elf_writer->WritePatchLocations(oat_writer->GetAbsolutePatchLocations());
- bool success = elf_writer->End();
- ASSERT_TRUE(success);
+ bool success = elf_writer->End();
+ ASSERT_TRUE(success);
+ }
}
}
- // Workound bug that mcld::Linker::emit closes oat_file by reopening as dup_oat.
- std::unique_ptr<File> dup_oat(OS::OpenFileReadWrite(oat_file.GetFilename().c_str()));
- ASSERT_TRUE(dup_oat.get() != nullptr);
{
- std::vector<const char*> dup_oat_filename(1, dup_oat->GetPath().c_str());
- std::vector<const char*> dup_image_filename(1, image_file.GetFilename().c_str());
bool success_image = writer->Write(kInvalidFd,
- dup_image_filename,
- dup_oat_filename);
+ image_filename_vector,
+ oat_filename_vector);
ASSERT_TRUE(success_image);
- bool success_fixup = ElfWriter::Fixup(dup_oat.get(),
- writer->GetOatDataBegin(0));
- ASSERT_TRUE(success_fixup);
- ASSERT_EQ(dup_oat->FlushCloseOrErase(), 0) << "Could not flush and close oat file "
- << oat_file.GetFilename();
+ for (size_t i = 0, size = oat_filenames.size(); i != size; ++i) {
+ const char* oat_filename = oat_filenames[i].c_str();
+ std::unique_ptr<File> oat_file(OS::OpenFileReadWrite(oat_filename));
+ ASSERT_TRUE(oat_file != nullptr);
+ bool success_fixup = ElfWriter::Fixup(oat_file.get(),
+ writer->GetOatDataBegin(i));
+ ASSERT_TRUE(success_fixup);
+ ASSERT_EQ(oat_file->FlushCloseOrErase(), 0) << "Could not flush and close oat file "
+ << oat_filename;
+ }
}
- uint64_t image_file_size;
- {
+ std::vector<uint64_t> image_file_sizes;
+ for (ScratchFile& image_file : image_files) {
std::unique_ptr<File> file(OS::OpenFileForReading(image_file.GetFilename().c_str()));
ASSERT_TRUE(file.get() != nullptr);
ImageHeader image_header;
@@ -205,7 +269,7 @@
ASSERT_TRUE(space != nullptr);
ASSERT_TRUE(space->IsMallocSpace());
- image_file_size = file->GetLength();
+ image_file_sizes.push_back(file->GetLength());
}
ASSERT_TRUE(compiler_driver_->GetImageClasses() != nullptr);
@@ -225,11 +289,10 @@
java_lang_dex_file_ = nullptr;
MemMap::Init();
- std::unique_ptr<const DexFile> dex(LoadExpectSingleDexFile(GetLibCoreDexFileNames()[0].c_str()));
RuntimeOptions options;
std::string image("-Ximage:");
- image.append(image_location.GetFilename());
+ image.append(image_locations[0].GetFilename());
options.push_back(std::make_pair(image.c_str(), static_cast<void*>(nullptr)));
// By default the compiler this creates will not include patch information.
options.push_back(std::make_pair("-Xnorelocate", nullptr));
@@ -251,38 +314,51 @@
ASSERT_TRUE(heap->GetNonMovingSpace()->IsMallocSpace());
// We loaded the runtime with an explicit image, so it must exist.
- gc::space::ImageSpace* image_space = heap->GetBootImageSpaces()[0];
- ASSERT_TRUE(image_space != nullptr);
- if (storage_mode == ImageHeader::kStorageModeUncompressed) {
- // Uncompressed, image should be smaller than file.
- ASSERT_LE(image_space->Size(), image_file_size);
- } else {
- // Compressed, file should be smaller than image.
- ASSERT_LE(image_file_size, image_space->Size());
- }
-
- image_space->VerifyImageAllocations();
- uint8_t* image_begin = image_space->Begin();
- uint8_t* image_end = image_space->End();
- CHECK_EQ(requested_image_base, reinterpret_cast<uintptr_t>(image_begin));
- for (size_t i = 0; i < dex->NumClassDefs(); ++i) {
- const DexFile::ClassDef& class_def = dex->GetClassDef(i);
- const char* descriptor = dex->GetClassDescriptor(class_def);
- mirror::Class* klass = class_linker_->FindSystemClass(soa.Self(), descriptor);
- EXPECT_TRUE(klass != nullptr) << descriptor;
- if (image_classes.find(descriptor) != image_classes.end()) {
- // Image classes should be located inside the image.
- EXPECT_LT(image_begin, reinterpret_cast<uint8_t*>(klass)) << descriptor;
- EXPECT_LT(reinterpret_cast<uint8_t*>(klass), image_end) << descriptor;
+ ASSERT_EQ(heap->GetBootImageSpaces().size(), image_file_sizes.size());
+ for (size_t i = 0; i < image_file_sizes.size(); ++i) {
+ std::unique_ptr<const DexFile> dex(
+ LoadExpectSingleDexFile(GetLibCoreDexFileNames()[i].c_str()));
+ uint64_t image_file_size = image_file_sizes[i];
+ gc::space::ImageSpace* image_space = heap->GetBootImageSpaces()[i];
+ ASSERT_TRUE(image_space != nullptr);
+ if (storage_mode == ImageHeader::kStorageModeUncompressed) {
+ // Uncompressed, image should be smaller than file.
+ ASSERT_LE(image_space->GetImageHeader().GetImageSize(), image_file_size);
} else {
- EXPECT_TRUE(reinterpret_cast<uint8_t*>(klass) >= image_end ||
- reinterpret_cast<uint8_t*>(klass) < image_begin) << descriptor;
+ // Compressed, file should be smaller than image.
+ ASSERT_LE(image_file_size, image_space->GetImageHeader().GetImageSize());
}
- EXPECT_TRUE(Monitor::IsValidLockWord(klass->GetLockWord(false)));
+
+ image_space->VerifyImageAllocations();
+ uint8_t* image_begin = image_space->Begin();
+ uint8_t* image_end = image_space->End();
+ if (i == 0) {
+ // This check is only valid for image 0.
+ CHECK_EQ(requested_image_base, reinterpret_cast<uintptr_t>(image_begin));
+ }
+ for (size_t j = 0; j < dex->NumClassDefs(); ++j) {
+ const DexFile::ClassDef& class_def = dex->GetClassDef(j);
+ const char* descriptor = dex->GetClassDescriptor(class_def);
+ mirror::Class* klass = class_linker_->FindSystemClass(soa.Self(), descriptor);
+ EXPECT_TRUE(klass != nullptr) << descriptor;
+ if (image_classes.find(descriptor) == image_classes.end()) {
+ EXPECT_TRUE(reinterpret_cast<uint8_t*>(klass) >= image_end ||
+ reinterpret_cast<uint8_t*>(klass) < image_begin) << descriptor;
+ } else {
+ // Image classes should be located inside the image.
+ EXPECT_LT(image_begin, reinterpret_cast<uint8_t*>(klass)) << descriptor;
+ EXPECT_LT(reinterpret_cast<uint8_t*>(klass), image_end) << descriptor;
+ }
+ EXPECT_TRUE(Monitor::IsValidLockWord(klass->GetLockWord(false)));
+ }
}
- image_file.Unlink();
- oat_file.Unlink();
+ for (ScratchFile& image_file : image_files) {
+ image_file.Unlink();
+ }
+ for (ScratchFile& oat_file : oat_files) {
+ oat_file.Unlink();
+ }
int rmdir_result = rmdir(image_dir.c_str());
CHECK_EQ(0, rmdir_result);
}
@@ -299,7 +375,6 @@
TestWriteRead(ImageHeader::kStorageModeLZ4HC);
}
-
TEST_F(ImageTest, ImageHeaderIsValid) {
uint32_t image_begin = ART_BASE_ADDRESS;
uint32_t image_size_ = 16 * KB;
diff --git a/dex2oat/dex2oat.cc b/dex2oat/dex2oat.cc
index cfb905b..729d712 100644
--- a/dex2oat/dex2oat.cc
+++ b/dex2oat/dex2oat.cc
@@ -1329,7 +1329,10 @@
if (IsBootImage() && image_filenames_.size() > 1) {
// If we're compiling the boot image, store the boot classpath into the Key-Value store.
// We need this for the multi-image case.
- key_value_store_->Put(OatHeader::kBootClassPathKey, GetMultiImageBootClassPath());
+ key_value_store_->Put(OatHeader::kBootClassPathKey,
+ gc::space::ImageSpace::GetMultiImageBootClassPath(dex_locations_,
+ oat_filenames_,
+ image_filenames_));
}
if (!IsBootImage()) {
@@ -1960,49 +1963,6 @@
return result;
}
- std::string GetMultiImageBootClassPath() {
- DCHECK(IsBootImage());
- DCHECK_GT(oat_filenames_.size(), 1u);
- // If the image filename was adapted (e.g., for our tests), we need to change this here,
- // too, but need to strip all path components (they will be re-established when loading).
- std::ostringstream bootcp_oss;
- bool first_bootcp = true;
- for (size_t i = 0; i < dex_locations_.size(); ++i) {
- if (!first_bootcp) {
- bootcp_oss << ":";
- }
-
- std::string dex_loc = dex_locations_[i];
- std::string image_filename = image_filenames_[i];
-
- // Use the dex_loc path, but the image_filename name (without path elements).
- size_t dex_last_slash = dex_loc.rfind('/');
-
- // npos is max(size_t). That makes this a bit ugly.
- size_t image_last_slash = image_filename.rfind('/');
- size_t image_last_at = image_filename.rfind('@');
- size_t image_last_sep = (image_last_slash == std::string::npos)
- ? image_last_at
- : (image_last_at == std::string::npos)
- ? std::string::npos
- : std::max(image_last_slash, image_last_at);
- // Note: whenever image_last_sep == npos, +1 overflow means using the full string.
-
- if (dex_last_slash == std::string::npos) {
- dex_loc = image_filename.substr(image_last_sep + 1);
- } else {
- dex_loc = dex_loc.substr(0, dex_last_slash + 1) +
- image_filename.substr(image_last_sep + 1);
- }
-
- // Image filenames already end with .art, no need to replace.
-
- bootcp_oss << dex_loc;
- first_bootcp = false;
- }
- return bootcp_oss.str();
- }
-
std::vector<std::string> GetClassPathLocations(const std::string& class_path) {
// This function is used only for apps and for an app we have exactly one oat file.
DCHECK(!IsBootImage());
diff --git a/runtime/common_runtime_test.cc b/runtime/common_runtime_test.cc
index 3a1b650..27e54b4 100644
--- a/runtime/common_runtime_test.cc
+++ b/runtime/common_runtime_test.cc
@@ -76,9 +76,10 @@
file_.reset(new File(fd, GetFilename(), true));
}
-ScratchFile::ScratchFile(const ScratchFile& other, const char* suffix) {
- filename_ = other.GetFilename();
- filename_ += suffix;
+ScratchFile::ScratchFile(const ScratchFile& other, const char* suffix)
+ : ScratchFile(other.GetFilename() + suffix) {}
+
+ScratchFile::ScratchFile(const std::string& filename) : filename_(filename) {
int fd = open(filename_.c_str(), O_RDWR | O_CREAT, 0666);
CHECK_NE(-1, fd);
file_.reset(new File(fd, GetFilename(), true));
@@ -90,6 +91,18 @@
file_.reset(file);
}
+ScratchFile::ScratchFile(ScratchFile&& other) {
+ *this = std::move(other);
+}
+
+ScratchFile& ScratchFile::operator=(ScratchFile&& other) {
+ if (GetFile() != other.GetFile()) {
+ std::swap(filename_, other.filename_);
+ std::swap(file_, other.file_);
+ }
+ return *this;
+}
+
ScratchFile::~ScratchFile() {
Unlink();
}
diff --git a/runtime/common_runtime_test.h b/runtime/common_runtime_test.h
index b68eb19..0a94900 100644
--- a/runtime/common_runtime_test.h
+++ b/runtime/common_runtime_test.h
@@ -40,8 +40,14 @@
public:
ScratchFile();
+ explicit ScratchFile(const std::string& filename);
+
ScratchFile(const ScratchFile& other, const char* suffix);
+ explicit ScratchFile(ScratchFile&& other);
+
+ ScratchFile& operator=(ScratchFile&& other);
+
explicit ScratchFile(File* file);
~ScratchFile();
diff --git a/runtime/gc/heap.cc b/runtime/gc/heap.cc
index 03b7713..e9c71b4 100644
--- a/runtime/gc/heap.cc
+++ b/runtime/gc/heap.cc
@@ -316,9 +316,9 @@
continue;
}
- space::ImageSpace::CreateMultiImageLocations(image_file_name,
- boot_classpath,
- &image_file_names);
+ space::ImageSpace::ExtractMultiImageLocations(image_file_name,
+ boot_classpath,
+ &image_file_names);
}
} else {
LOG(ERROR) << "Could not create image space with image file '" << image_file_name << "'. "
diff --git a/runtime/gc/space/image_space.cc b/runtime/gc/space/image_space.cc
index b7b9ffe..9e82810 100644
--- a/runtime/gc/space/image_space.cc
+++ b/runtime/gc/space/image_space.cc
@@ -1508,9 +1508,54 @@
<< ",name=\"" << GetName() << "\"]";
}
-void ImageSpace::CreateMultiImageLocations(const std::string& input_image_file_name,
- const std::string& boot_classpath,
- std::vector<std::string>* image_file_names) {
+std::string ImageSpace::GetMultiImageBootClassPath(
+ const std::vector<const char*>& dex_locations,
+ const std::vector<const char*>& oat_filenames,
+ const std::vector<const char*>& image_filenames) {
+ DCHECK_GT(oat_filenames.size(), 1u);
+ // If the image filename was adapted (e.g., for our tests), we need to change this here,
+ // too, but need to strip all path components (they will be re-established when loading).
+ std::ostringstream bootcp_oss;
+ bool first_bootcp = true;
+ for (size_t i = 0; i < dex_locations.size(); ++i) {
+ if (!first_bootcp) {
+ bootcp_oss << ":";
+ }
+
+ std::string dex_loc = dex_locations[i];
+ std::string image_filename = image_filenames[i];
+
+ // Use the dex_loc path, but the image_filename name (without path elements).
+ size_t dex_last_slash = dex_loc.rfind('/');
+
+ // npos is max(size_t). That makes this a bit ugly.
+ size_t image_last_slash = image_filename.rfind('/');
+ size_t image_last_at = image_filename.rfind('@');
+ size_t image_last_sep = (image_last_slash == std::string::npos)
+ ? image_last_at
+ : (image_last_at == std::string::npos)
+ ? std::string::npos
+ : std::max(image_last_slash, image_last_at);
+ // Note: whenever image_last_sep == npos, +1 overflow means using the full string.
+
+ if (dex_last_slash == std::string::npos) {
+ dex_loc = image_filename.substr(image_last_sep + 1);
+ } else {
+ dex_loc = dex_loc.substr(0, dex_last_slash + 1) +
+ image_filename.substr(image_last_sep + 1);
+ }
+
+ // Image filenames already end with .art, no need to replace.
+
+ bootcp_oss << dex_loc;
+ first_bootcp = false;
+ }
+ return bootcp_oss.str();
+}
+
+void ImageSpace::ExtractMultiImageLocations(const std::string& input_image_file_name,
+ const std::string& boot_classpath,
+ std::vector<std::string>* image_file_names) {
DCHECK(image_file_names != nullptr);
std::vector<std::string> images;
diff --git a/runtime/gc/space/image_space.h b/runtime/gc/space/image_space.h
index c9741d0..d8962f4 100644
--- a/runtime/gc/space/image_space.h
+++ b/runtime/gc/space/image_space.h
@@ -130,10 +130,14 @@
// Use the input image filename to adapt the names in the given boot classpath to establish
// complete locations for secondary images.
- static void CreateMultiImageLocations(const std::string& input_image_file_name,
+ static void ExtractMultiImageLocations(const std::string& input_image_file_name,
const std::string& boot_classpath,
std::vector<std::string>* image_filenames);
+ static std::string GetMultiImageBootClassPath(const std::vector<const char*>& dex_locations,
+ const std::vector<const char*>& oat_filenames,
+ const std::vector<const char*>& image_filenames);
+
// Return the end of the image which includes non-heap objects such as ArtMethods and ArtFields.
uint8_t* GetImageEnd() const {
return Begin() + GetImageHeader().GetImageSize();
diff --git a/runtime/runtime.cc b/runtime/runtime.cc
index 0cdda4e..dd94828 100644
--- a/runtime/runtime.cc
+++ b/runtime/runtime.cc
@@ -878,9 +878,9 @@
const OatHeader& boot_oat_header = oat_file->GetOatHeader();
const char* boot_cp = boot_oat_header.GetStoreValueByKey(OatHeader::kBootClassPathKey);
if (boot_cp != nullptr) {
- gc::space::ImageSpace::CreateMultiImageLocations(image_locations[0],
- boot_cp,
- &image_locations);
+ gc::space::ImageSpace::ExtractMultiImageLocations(image_locations[0],
+ boot_cp,
+ &image_locations);
}
}