| /* |
| * 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 "oat_writer.h" |
| |
| #include <zlib.h> |
| |
| #include "base/stl_util.h" |
| #include "base/unix_file/fd_file.h" |
| #include "class_linker.h" |
| #include "dex_file-inl.h" |
| #include "gc/space/space.h" |
| #include "mirror/abstract_method-inl.h" |
| #include "mirror/array.h" |
| #include "mirror/class_loader.h" |
| #include "mirror/object-inl.h" |
| #include "os.h" |
| #include "output_stream.h" |
| #include "safe_map.h" |
| #include "scoped_thread_state_change.h" |
| #include "verifier/method_verifier.h" |
| |
| namespace art { |
| |
| OatWriter::OatWriter(const std::vector<const DexFile*>& dex_files, |
| uint32_t image_file_location_oat_checksum, |
| uint32_t image_file_location_oat_begin, |
| const std::string& image_file_location, |
| const CompilerDriver* compiler) |
| : compiler_driver_(compiler), |
| dex_files_(&dex_files), |
| image_file_location_oat_checksum_(image_file_location_oat_checksum), |
| image_file_location_oat_begin_(image_file_location_oat_begin), |
| image_file_location_(image_file_location), |
| oat_header_(NULL), |
| size_dex_file_alignment_(0), |
| size_executable_offset_alignment_(0), |
| size_oat_header_(0), |
| size_oat_header_image_file_location_(0), |
| size_dex_file_(0), |
| size_interpreter_to_interpreter_entry_(0), |
| size_interpreter_to_quick_entry_(0), |
| size_portable_resolution_trampoline_(0), |
| size_quick_resolution_trampoline_(0), |
| size_stubs_alignment_(0), |
| size_code_size_(0), |
| size_code_(0), |
| size_code_alignment_(0), |
| size_mapping_table_(0), |
| size_vmap_table_(0), |
| size_gc_map_(0), |
| size_oat_dex_file_location_size_(0), |
| size_oat_dex_file_location_data_(0), |
| size_oat_dex_file_location_checksum_(0), |
| size_oat_dex_file_offset_(0), |
| size_oat_dex_file_methods_offsets_(0), |
| size_oat_class_status_(0), |
| size_oat_class_method_offsets_(0) { |
| size_t offset = InitOatHeader(); |
| offset = InitOatDexFiles(offset); |
| offset = InitDexFiles(offset); |
| offset = InitOatClasses(offset); |
| offset = InitOatCode(offset); |
| offset = InitOatCodeDexFiles(offset); |
| size_ = offset; |
| |
| CHECK_EQ(dex_files_->size(), oat_dex_files_.size()); |
| CHECK(image_file_location.empty() == compiler->IsImage()); |
| } |
| |
| OatWriter::~OatWriter() { |
| delete oat_header_; |
| STLDeleteElements(&oat_dex_files_); |
| STLDeleteElements(&oat_classes_); |
| } |
| |
| size_t OatWriter::InitOatHeader() { |
| // create the OatHeader |
| oat_header_ = new OatHeader(compiler_driver_->GetInstructionSet(), |
| dex_files_, |
| image_file_location_oat_checksum_, |
| image_file_location_oat_begin_, |
| image_file_location_); |
| size_t offset = sizeof(*oat_header_); |
| offset += image_file_location_.size(); |
| return offset; |
| } |
| |
| size_t OatWriter::InitOatDexFiles(size_t offset) { |
| // create the OatDexFiles |
| for (size_t i = 0; i != dex_files_->size(); ++i) { |
| const DexFile* dex_file = (*dex_files_)[i]; |
| CHECK(dex_file != NULL); |
| OatDexFile* oat_dex_file = new OatDexFile(offset, *dex_file); |
| oat_dex_files_.push_back(oat_dex_file); |
| offset += oat_dex_file->SizeOf(); |
| } |
| return offset; |
| } |
| |
| size_t OatWriter::InitDexFiles(size_t offset) { |
| // calculate the offsets within OatDexFiles to the DexFiles |
| for (size_t i = 0; i != dex_files_->size(); ++i) { |
| // dex files are required to be 4 byte aligned |
| size_t original_offset = offset; |
| offset = RoundUp(offset, 4); |
| size_dex_file_alignment_ += offset - original_offset; |
| |
| // set offset in OatDexFile to DexFile |
| oat_dex_files_[i]->dex_file_offset_ = offset; |
| |
| const DexFile* dex_file = (*dex_files_)[i]; |
| offset += dex_file->GetHeader().file_size_; |
| } |
| return offset; |
| } |
| |
| size_t OatWriter::InitOatClasses(size_t offset) { |
| // create the OatClasses |
| // calculate the offsets within OatDexFiles to OatClasses |
| for (size_t i = 0; i != dex_files_->size(); ++i) { |
| const DexFile* dex_file = (*dex_files_)[i]; |
| for (size_t class_def_index = 0; |
| class_def_index < dex_file->NumClassDefs(); |
| class_def_index++) { |
| oat_dex_files_[i]->methods_offsets_[class_def_index] = offset; |
| const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_index); |
| const byte* class_data = dex_file->GetClassData(class_def); |
| uint32_t num_methods = 0; |
| if (class_data != NULL) { // ie not an empty class, such as a marker interface |
| ClassDataItemIterator it(*dex_file, class_data); |
| size_t num_direct_methods = it.NumDirectMethods(); |
| size_t num_virtual_methods = it.NumVirtualMethods(); |
| num_methods = num_direct_methods + num_virtual_methods; |
| } |
| |
| ClassReference class_ref(dex_file, class_def_index); |
| CompiledClass* compiled_class = compiler_driver_->GetCompiledClass(class_ref); |
| mirror::Class::Status status; |
| if (compiled_class != NULL) { |
| status = compiled_class->GetStatus(); |
| } else if (verifier::MethodVerifier::IsClassRejected(class_ref)) { |
| status = mirror::Class::kStatusError; |
| } else { |
| status = mirror::Class::kStatusNotReady; |
| } |
| |
| OatClass* oat_class = new OatClass(offset, status, num_methods); |
| oat_classes_.push_back(oat_class); |
| offset += oat_class->SizeOf(); |
| } |
| oat_dex_files_[i]->UpdateChecksum(*oat_header_); |
| } |
| return offset; |
| } |
| |
| size_t OatWriter::InitOatCode(size_t offset) { |
| // calculate the offsets within OatHeader to executable code |
| size_t old_offset = offset; |
| // required to be on a new page boundary |
| offset = RoundUp(offset, kPageSize); |
| oat_header_->SetExecutableOffset(offset); |
| size_executable_offset_alignment_ = offset - old_offset; |
| if (compiler_driver_->IsImage()) { |
| InstructionSet instruction_set = compiler_driver_->GetInstructionSet(); |
| oat_header_->SetInterpreterToInterpreterEntryOffset(offset); |
| interpreter_to_interpreter_entry_.reset( |
| compiler_driver_->CreateInterpreterToInterpreterEntry()); |
| offset += interpreter_to_interpreter_entry_->size(); |
| |
| offset = CompiledCode::AlignCode(offset, instruction_set); |
| oat_header_->SetInterpreterToQuickEntryOffset(offset); |
| interpreter_to_quick_entry_.reset(compiler_driver_->CreateInterpreterToQuickEntry()); |
| offset += interpreter_to_quick_entry_->size(); |
| |
| offset = CompiledCode::AlignCode(offset, instruction_set); |
| oat_header_->SetPortableResolutionTrampolineOffset(offset); |
| portable_resolution_trampoline_.reset(compiler_driver_->CreatePortableResolutionTrampoline()); |
| offset += portable_resolution_trampoline_->size(); |
| |
| offset = CompiledCode::AlignCode(offset, instruction_set); |
| oat_header_->SetQuickResolutionTrampolineOffset(offset); |
| quick_resolution_trampoline_.reset(compiler_driver_->CreateQuickResolutionTrampoline()); |
| offset += quick_resolution_trampoline_->size(); |
| } else { |
| oat_header_->SetInterpreterToInterpreterEntryOffset(0); |
| oat_header_->SetInterpreterToQuickEntryOffset(0); |
| oat_header_->SetPortableResolutionTrampolineOffset(0); |
| oat_header_->SetQuickResolutionTrampolineOffset(0); |
| } |
| return offset; |
| } |
| |
| size_t OatWriter::InitOatCodeDexFiles(size_t offset) { |
| size_t oat_class_index = 0; |
| for (size_t i = 0; i != dex_files_->size(); ++i) { |
| const DexFile* dex_file = (*dex_files_)[i]; |
| CHECK(dex_file != NULL); |
| offset = InitOatCodeDexFile(offset, oat_class_index, *dex_file); |
| } |
| return offset; |
| } |
| |
| size_t OatWriter::InitOatCodeDexFile(size_t offset, |
| size_t& oat_class_index, |
| const DexFile& dex_file) { |
| for (size_t class_def_index = 0; |
| class_def_index < dex_file.NumClassDefs(); |
| class_def_index++, oat_class_index++) { |
| const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| offset = InitOatCodeClassDef(offset, oat_class_index, class_def_index, dex_file, class_def); |
| oat_classes_[oat_class_index]->UpdateChecksum(*oat_header_); |
| } |
| return offset; |
| } |
| |
| size_t OatWriter::InitOatCodeClassDef(size_t offset, |
| size_t oat_class_index, size_t class_def_index, |
| const DexFile& dex_file, |
| const DexFile::ClassDef& class_def) { |
| const byte* class_data = dex_file.GetClassData(class_def); |
| if (class_data == NULL) { |
| // empty class, such as a marker interface |
| return offset; |
| } |
| ClassDataItemIterator it(dex_file, class_data); |
| CHECK_EQ(oat_classes_[oat_class_index]->method_offsets_.size(), |
| it.NumDirectMethods() + it.NumVirtualMethods()); |
| // Skip fields |
| while (it.HasNextStaticField()) { |
| it.Next(); |
| } |
| while (it.HasNextInstanceField()) { |
| it.Next(); |
| } |
| // Process methods |
| size_t class_def_method_index = 0; |
| while (it.HasNextDirectMethod()) { |
| bool is_native = (it.GetMemberAccessFlags() & kAccNative) != 0; |
| offset = InitOatCodeMethod(offset, oat_class_index, class_def_index, class_def_method_index, |
| is_native, it.GetMethodInvokeType(class_def), it.GetMemberIndex(), |
| &dex_file); |
| class_def_method_index++; |
| it.Next(); |
| } |
| while (it.HasNextVirtualMethod()) { |
| bool is_native = (it.GetMemberAccessFlags() & kAccNative) != 0; |
| offset = InitOatCodeMethod(offset, oat_class_index, class_def_index, class_def_method_index, |
| is_native, it.GetMethodInvokeType(class_def), it.GetMemberIndex(), |
| &dex_file); |
| class_def_method_index++; |
| it.Next(); |
| } |
| DCHECK(!it.HasNext()); |
| return offset; |
| } |
| |
| size_t OatWriter::InitOatCodeMethod(size_t offset, size_t oat_class_index, |
| size_t __attribute__((unused)) class_def_index, |
| size_t class_def_method_index, |
| bool __attribute__((unused)) is_native, |
| InvokeType invoke_type, |
| uint32_t method_idx, const DexFile* dex_file) { |
| // derived from CompiledMethod if available |
| uint32_t code_offset = 0; |
| uint32_t frame_size_in_bytes = kStackAlignment; |
| uint32_t core_spill_mask = 0; |
| uint32_t fp_spill_mask = 0; |
| uint32_t mapping_table_offset = 0; |
| uint32_t vmap_table_offset = 0; |
| uint32_t gc_map_offset = 0; |
| |
| OatClass* oat_class = oat_classes_[oat_class_index]; |
| #if defined(ART_USE_PORTABLE_COMPILER) |
| size_t oat_method_offsets_offset = |
| oat_class->GetOatMethodOffsetsOffsetFromOatHeader(class_def_method_index); |
| #endif |
| |
| CompiledMethod* compiled_method = |
| compiler_driver_->GetCompiledMethod(MethodReference(dex_file, method_idx)); |
| if (compiled_method != NULL) { |
| #if defined(ART_USE_PORTABLE_COMPILER) |
| compiled_method->AddOatdataOffsetToCompliledCodeOffset( |
| oat_method_offsets_offset + OFFSETOF_MEMBER(OatMethodOffsets, code_offset_)); |
| #else |
| const std::vector<uint8_t>& code = compiled_method->GetCode(); |
| offset = compiled_method->AlignCode(offset); |
| DCHECK_ALIGNED(offset, kArmAlignment); |
| uint32_t code_size = code.size() * sizeof(code[0]); |
| CHECK_NE(code_size, 0U); |
| uint32_t thumb_offset = compiled_method->CodeDelta(); |
| code_offset = offset + sizeof(code_size) + thumb_offset; |
| |
| // Deduplicate code arrays |
| SafeMap<const std::vector<uint8_t>*, uint32_t>::iterator code_iter = code_offsets_.find(&code); |
| if (code_iter != code_offsets_.end()) { |
| code_offset = code_iter->second; |
| } else { |
| code_offsets_.Put(&code, code_offset); |
| offset += sizeof(code_size); // code size is prepended before code |
| offset += code_size; |
| oat_header_->UpdateChecksum(&code[0], code_size); |
| } |
| #endif |
| frame_size_in_bytes = compiled_method->GetFrameSizeInBytes(); |
| core_spill_mask = compiled_method->GetCoreSpillMask(); |
| fp_spill_mask = compiled_method->GetFpSpillMask(); |
| |
| const std::vector<uint32_t>& mapping_table = compiled_method->GetMappingTable(); |
| size_t mapping_table_size = mapping_table.size() * sizeof(mapping_table[0]); |
| mapping_table_offset = (mapping_table_size == 0) ? 0 : offset; |
| |
| // Deduplicate mapping tables |
| SafeMap<const std::vector<uint32_t>*, uint32_t>::iterator mapping_iter = |
| mapping_table_offsets_.find(&mapping_table); |
| if (mapping_iter != mapping_table_offsets_.end()) { |
| mapping_table_offset = mapping_iter->second; |
| } else { |
| mapping_table_offsets_.Put(&mapping_table, mapping_table_offset); |
| offset += mapping_table_size; |
| oat_header_->UpdateChecksum(&mapping_table[0], mapping_table_size); |
| } |
| |
| const std::vector<uint16_t>& vmap_table = compiled_method->GetVmapTable(); |
| size_t vmap_table_size = vmap_table.size() * sizeof(vmap_table[0]); |
| vmap_table_offset = (vmap_table_size == 0) ? 0 : offset; |
| |
| // Deduplicate vmap tables |
| SafeMap<const std::vector<uint16_t>*, uint32_t>::iterator vmap_iter = |
| vmap_table_offsets_.find(&vmap_table); |
| if (vmap_iter != vmap_table_offsets_.end()) { |
| vmap_table_offset = vmap_iter->second; |
| } else { |
| vmap_table_offsets_.Put(&vmap_table, vmap_table_offset); |
| offset += vmap_table_size; |
| oat_header_->UpdateChecksum(&vmap_table[0], vmap_table_size); |
| } |
| |
| const std::vector<uint8_t>& gc_map = compiled_method->GetGcMap(); |
| size_t gc_map_size = gc_map.size() * sizeof(gc_map[0]); |
| gc_map_offset = (gc_map_size == 0) ? 0 : offset; |
| |
| #if !defined(NDEBUG) |
| // We expect GC maps except when the class hasn't been verified or the method is native |
| ClassReference class_ref(dex_file, class_def_index); |
| CompiledClass* compiled_class = compiler_driver_->GetCompiledClass(class_ref); |
| mirror::Class::Status status; |
| if (compiled_class != NULL) { |
| status = compiled_class->GetStatus(); |
| } else if (verifier::MethodVerifier::IsClassRejected(class_ref)) { |
| status = mirror::Class::kStatusError; |
| } else { |
| status = mirror::Class::kStatusNotReady; |
| } |
| CHECK(gc_map_size != 0 || is_native || status < mirror::Class::kStatusVerified) |
| << &gc_map << " " << gc_map_size << " " << (is_native ? "true" : "false") << " " |
| << (status < mirror::Class::kStatusVerified) << " " << status << " " |
| << PrettyMethod(method_idx, *dex_file); |
| #endif |
| |
| // Deduplicate GC maps |
| SafeMap<const std::vector<uint8_t>*, uint32_t>::iterator gc_map_iter = |
| gc_map_offsets_.find(&gc_map); |
| if (gc_map_iter != gc_map_offsets_.end()) { |
| gc_map_offset = gc_map_iter->second; |
| } else { |
| gc_map_offsets_.Put(&gc_map, gc_map_offset); |
| offset += gc_map_size; |
| oat_header_->UpdateChecksum(&gc_map[0], gc_map_size); |
| } |
| } |
| |
| oat_class->method_offsets_[class_def_method_index] = |
| OatMethodOffsets(code_offset, |
| frame_size_in_bytes, |
| core_spill_mask, |
| fp_spill_mask, |
| mapping_table_offset, |
| vmap_table_offset, |
| gc_map_offset); |
| |
| if (compiler_driver_->IsImage()) { |
| ClassLinker* linker = Runtime::Current()->GetClassLinker(); |
| mirror::DexCache* dex_cache = linker->FindDexCache(*dex_file); |
| // Unchecked as we hold mutator_lock_ on entry. |
| ScopedObjectAccessUnchecked soa(Thread::Current()); |
| mirror::AbstractMethod* method = linker->ResolveMethod(*dex_file, method_idx, dex_cache, |
| NULL, NULL, invoke_type); |
| CHECK(method != NULL); |
| method->SetFrameSizeInBytes(frame_size_in_bytes); |
| method->SetCoreSpillMask(core_spill_mask); |
| method->SetFpSpillMask(fp_spill_mask); |
| method->SetOatMappingTableOffset(mapping_table_offset); |
| // Don't overwrite static method trampoline |
| if (!method->IsStatic() || method->IsConstructor() || |
| method->GetDeclaringClass()->IsInitialized()) { |
| method->SetOatCodeOffset(code_offset); |
| } else { |
| method->SetEntryPointFromCompiledCode(NULL); |
| } |
| method->SetOatVmapTableOffset(vmap_table_offset); |
| method->SetOatNativeGcMapOffset(gc_map_offset); |
| } |
| |
| return offset; |
| } |
| |
| #define DCHECK_OFFSET() \ |
| DCHECK_EQ(static_cast<off_t>(file_offset + relative_offset), out.Seek(0, kSeekCurrent)) \ |
| << "file_offset=" << file_offset << " relative_offset=" << relative_offset |
| |
| #define DCHECK_OFFSET_() \ |
| DCHECK_EQ(static_cast<off_t>(file_offset + offset_), out.Seek(0, kSeekCurrent)) \ |
| << "file_offset=" << file_offset << " offset_=" << offset_ |
| |
| bool OatWriter::Write(OutputStream& out) { |
| const size_t file_offset = out.Seek(0, kSeekCurrent); |
| |
| if (!out.WriteFully(oat_header_, sizeof(*oat_header_))) { |
| PLOG(ERROR) << "Failed to write oat header to " << out.GetLocation(); |
| return false; |
| } |
| size_oat_header_ += sizeof(*oat_header_); |
| |
| if (!out.WriteFully(image_file_location_.data(), image_file_location_.size())) { |
| PLOG(ERROR) << "Failed to write oat header image file location to " << out.GetLocation(); |
| return false; |
| } |
| size_oat_header_image_file_location_ += image_file_location_.size(); |
| |
| if (!WriteTables(out, file_offset)) { |
| LOG(ERROR) << "Failed to write oat tables to " << out.GetLocation(); |
| return false; |
| } |
| |
| size_t relative_offset = WriteCode(out, file_offset); |
| if (relative_offset == 0) { |
| LOG(ERROR) << "Failed to write oat code to " << out.GetLocation(); |
| return false; |
| } |
| |
| relative_offset = WriteCodeDexFiles(out, file_offset, relative_offset); |
| if (relative_offset == 0) { |
| LOG(ERROR) << "Failed to write oat code for dex files to " << out.GetLocation(); |
| return false; |
| } |
| |
| if (kIsDebugBuild) { |
| uint32_t size_total = 0; |
| #define DO_STAT(x) \ |
| LOG(INFO) << #x "=" << PrettySize(x) << " (" << x << "B)"; \ |
| size_total += x; |
| |
| DO_STAT(size_dex_file_alignment_); |
| DO_STAT(size_executable_offset_alignment_); |
| DO_STAT(size_oat_header_); |
| DO_STAT(size_oat_header_image_file_location_); |
| DO_STAT(size_dex_file_); |
| DO_STAT(size_interpreter_to_interpreter_entry_); |
| DO_STAT(size_interpreter_to_quick_entry_); |
| DO_STAT(size_portable_resolution_trampoline_); |
| DO_STAT(size_quick_resolution_trampoline_); |
| DO_STAT(size_stubs_alignment_); |
| DO_STAT(size_code_size_); |
| DO_STAT(size_code_); |
| DO_STAT(size_code_alignment_); |
| DO_STAT(size_mapping_table_); |
| DO_STAT(size_vmap_table_); |
| DO_STAT(size_gc_map_); |
| DO_STAT(size_oat_dex_file_location_size_); |
| DO_STAT(size_oat_dex_file_location_data_); |
| DO_STAT(size_oat_dex_file_location_checksum_); |
| DO_STAT(size_oat_dex_file_offset_); |
| DO_STAT(size_oat_dex_file_methods_offsets_); |
| DO_STAT(size_oat_class_status_); |
| DO_STAT(size_oat_class_method_offsets_); |
| #undef DO_STAT |
| |
| LOG(INFO) << "size_total=" << PrettySize(size_total) << " (" << size_total << "B)"; \ |
| CHECK_EQ(file_offset + size_total, static_cast<uint32_t>(out.Seek(0, kSeekCurrent))); |
| CHECK_EQ(size_, size_total); |
| } |
| |
| CHECK_EQ(file_offset + size_, static_cast<uint32_t>(out.Seek(0, kSeekCurrent))); |
| CHECK_EQ(size_, relative_offset); |
| |
| return true; |
| } |
| |
| bool OatWriter::WriteTables(OutputStream& out, const size_t file_offset) { |
| for (size_t i = 0; i != oat_dex_files_.size(); ++i) { |
| if (!oat_dex_files_[i]->Write(this, out, file_offset)) { |
| PLOG(ERROR) << "Failed to write oat dex information to " << out.GetLocation(); |
| return false; |
| } |
| } |
| for (size_t i = 0; i != oat_dex_files_.size(); ++i) { |
| uint32_t expected_offset = file_offset + oat_dex_files_[i]->dex_file_offset_; |
| off_t actual_offset = out.Seek(expected_offset, kSeekSet); |
| if (static_cast<uint32_t>(actual_offset) != expected_offset) { |
| const DexFile* dex_file = (*dex_files_)[i]; |
| PLOG(ERROR) << "Failed to seek to dex file section. Actual: " << actual_offset |
| << " Expected: " << expected_offset << " File: " << dex_file->GetLocation(); |
| return false; |
| } |
| const DexFile* dex_file = (*dex_files_)[i]; |
| if (!out.WriteFully(&dex_file->GetHeader(), dex_file->GetHeader().file_size_)) { |
| PLOG(ERROR) << "Failed to write dex file " << dex_file->GetLocation() |
| << " to " << out.GetLocation(); |
| return false; |
| } |
| size_dex_file_ += dex_file->GetHeader().file_size_; |
| } |
| for (size_t i = 0; i != oat_classes_.size(); ++i) { |
| if (!oat_classes_[i]->Write(this, out, file_offset)) { |
| PLOG(ERROR) << "Failed to write oat methods information to " << out.GetLocation(); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| size_t OatWriter::WriteCode(OutputStream& out, const size_t file_offset) { |
| size_t relative_offset = oat_header_->GetExecutableOffset(); |
| off_t new_offset = out.Seek(size_executable_offset_alignment_, kSeekCurrent); |
| size_t expected_file_offset = file_offset + relative_offset; |
| if (static_cast<uint32_t>(new_offset) != expected_file_offset) { |
| PLOG(ERROR) << "Failed to seek to oat code section. Actual: " << new_offset |
| << " Expected: " << expected_file_offset << " File: " << out.GetLocation(); |
| return 0; |
| } |
| DCHECK_OFFSET(); |
| if (compiler_driver_->IsImage()) { |
| InstructionSet instruction_set = compiler_driver_->GetInstructionSet(); |
| if (!out.WriteFully(&(*interpreter_to_interpreter_entry_)[0], |
| interpreter_to_interpreter_entry_->size())) { |
| PLOG(ERROR) << "Failed to write interpreter to interpreter entry to " << out.GetLocation(); |
| return false; |
| } |
| size_interpreter_to_interpreter_entry_ += interpreter_to_interpreter_entry_->size(); |
| relative_offset += interpreter_to_interpreter_entry_->size(); |
| DCHECK_OFFSET(); |
| |
| uint32_t aligned_offset = CompiledCode::AlignCode(relative_offset, instruction_set); |
| uint32_t alignment_padding = aligned_offset - relative_offset; |
| out.Seek(alignment_padding, kSeekCurrent); |
| size_stubs_alignment_ += alignment_padding; |
| if (!out.WriteFully(&(*interpreter_to_quick_entry_)[0], interpreter_to_quick_entry_->size())) { |
| PLOG(ERROR) << "Failed to write interpreter to quick entry to " << out.GetLocation(); |
| return false; |
| } |
| size_interpreter_to_quick_entry_ += interpreter_to_quick_entry_->size(); |
| relative_offset += alignment_padding + interpreter_to_quick_entry_->size(); |
| DCHECK_OFFSET(); |
| |
| aligned_offset = CompiledCode::AlignCode(relative_offset, instruction_set); |
| alignment_padding = aligned_offset - relative_offset; |
| out.Seek(alignment_padding, kSeekCurrent); |
| size_stubs_alignment_ += alignment_padding; |
| if (!out.WriteFully(&(*portable_resolution_trampoline_)[0], |
| portable_resolution_trampoline_->size())) { |
| PLOG(ERROR) << "Failed to write portable resolution trampoline to " << out.GetLocation(); |
| return false; |
| } |
| size_portable_resolution_trampoline_ += portable_resolution_trampoline_->size(); |
| relative_offset += alignment_padding + portable_resolution_trampoline_->size(); |
| DCHECK_OFFSET(); |
| |
| aligned_offset = CompiledCode::AlignCode(relative_offset, instruction_set); |
| alignment_padding = aligned_offset - relative_offset; |
| out.Seek(alignment_padding, kSeekCurrent); |
| size_stubs_alignment_ += alignment_padding; |
| if (!out.WriteFully(&(*quick_resolution_trampoline_)[0], |
| quick_resolution_trampoline_->size())) { |
| PLOG(ERROR) << "Failed to write quick resolution trampoline to " << out.GetLocation(); |
| return false; |
| } |
| size_quick_resolution_trampoline_ += quick_resolution_trampoline_->size(); |
| relative_offset += alignment_padding + quick_resolution_trampoline_->size(); |
| DCHECK_OFFSET(); |
| } |
| return relative_offset; |
| } |
| |
| size_t OatWriter::WriteCodeDexFiles(OutputStream& out, |
| const size_t file_offset, |
| size_t relative_offset) { |
| size_t oat_class_index = 0; |
| for (size_t i = 0; i != oat_dex_files_.size(); ++i) { |
| const DexFile* dex_file = (*dex_files_)[i]; |
| CHECK(dex_file != NULL); |
| relative_offset = WriteCodeDexFile(out, file_offset, relative_offset, oat_class_index, |
| *dex_file); |
| if (relative_offset == 0) { |
| return 0; |
| } |
| } |
| return relative_offset; |
| } |
| |
| size_t OatWriter::WriteCodeDexFile(OutputStream& out, const size_t file_offset, |
| size_t relative_offset, size_t& oat_class_index, |
| const DexFile& dex_file) { |
| for (size_t class_def_index = 0; class_def_index < dex_file.NumClassDefs(); |
| class_def_index++, oat_class_index++) { |
| const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); |
| relative_offset = WriteCodeClassDef(out, file_offset, relative_offset, oat_class_index, |
| dex_file, class_def); |
| if (relative_offset == 0) { |
| return 0; |
| } |
| } |
| return relative_offset; |
| } |
| |
| void OatWriter::ReportWriteFailure(const char* what, uint32_t method_idx, |
| const DexFile& dex_file, OutputStream& out) const { |
| PLOG(ERROR) << "Failed to write " << what << " for " << PrettyMethod(method_idx, dex_file) |
| << " to " << out.GetLocation(); |
| } |
| |
| size_t OatWriter::WriteCodeClassDef(OutputStream& out, |
| const size_t file_offset, |
| size_t relative_offset, |
| size_t oat_class_index, |
| const DexFile& dex_file, |
| const DexFile::ClassDef& class_def) { |
| const byte* class_data = dex_file.GetClassData(class_def); |
| if (class_data == NULL) { |
| // ie. an empty class such as a marker interface |
| return relative_offset; |
| } |
| ClassDataItemIterator it(dex_file, class_data); |
| // Skip fields |
| while (it.HasNextStaticField()) { |
| it.Next(); |
| } |
| while (it.HasNextInstanceField()) { |
| it.Next(); |
| } |
| // Process methods |
| size_t class_def_method_index = 0; |
| while (it.HasNextDirectMethod()) { |
| bool is_static = (it.GetMemberAccessFlags() & kAccStatic) != 0; |
| relative_offset = WriteCodeMethod(out, file_offset, relative_offset, oat_class_index, |
| class_def_method_index, is_static, it.GetMemberIndex(), |
| dex_file); |
| if (relative_offset == 0) { |
| return 0; |
| } |
| class_def_method_index++; |
| it.Next(); |
| } |
| while (it.HasNextVirtualMethod()) { |
| relative_offset = WriteCodeMethod(out, file_offset, relative_offset, oat_class_index, |
| class_def_method_index, false, it.GetMemberIndex(), dex_file); |
| if (relative_offset == 0) { |
| return 0; |
| } |
| class_def_method_index++; |
| it.Next(); |
| } |
| return relative_offset; |
| } |
| |
| size_t OatWriter::WriteCodeMethod(OutputStream& out, const size_t file_offset, |
| size_t relative_offset, size_t oat_class_index, |
| size_t class_def_method_index, bool is_static, |
| uint32_t method_idx, const DexFile& dex_file) { |
| const CompiledMethod* compiled_method = |
| compiler_driver_->GetCompiledMethod(MethodReference(&dex_file, method_idx)); |
| |
| OatMethodOffsets method_offsets = |
| oat_classes_[oat_class_index]->method_offsets_[class_def_method_index]; |
| |
| |
| if (compiled_method != NULL) { // ie. not an abstract method |
| #if !defined(ART_USE_PORTABLE_COMPILER) |
| uint32_t aligned_offset = compiled_method->AlignCode(relative_offset); |
| uint32_t aligned_code_delta = aligned_offset - relative_offset; |
| if (aligned_code_delta != 0) { |
| off_t new_offset = out.Seek(aligned_code_delta, kSeekCurrent); |
| size_code_alignment_ += aligned_code_delta; |
| uint32_t expected_offset = file_offset + aligned_offset; |
| if (static_cast<uint32_t>(new_offset) != expected_offset) { |
| PLOG(ERROR) << "Failed to seek to align oat code. Actual: " << new_offset |
| << " Expected: " << expected_offset << " File: " << out.GetLocation(); |
| return 0; |
| } |
| relative_offset += aligned_code_delta; |
| DCHECK_OFFSET(); |
| } |
| DCHECK_ALIGNED(relative_offset, kArmAlignment); |
| const std::vector<uint8_t>& code = compiled_method->GetCode(); |
| uint32_t code_size = code.size() * sizeof(code[0]); |
| CHECK_NE(code_size, 0U); |
| |
| // Deduplicate code arrays |
| size_t code_offset = relative_offset + sizeof(code_size) + compiled_method->CodeDelta(); |
| SafeMap<const std::vector<uint8_t>*, uint32_t>::iterator code_iter = code_offsets_.find(&code); |
| if (code_iter != code_offsets_.end() && code_offset != method_offsets.code_offset_) { |
| DCHECK(code_iter->second == method_offsets.code_offset_) |
| << PrettyMethod(method_idx, dex_file); |
| } else { |
| DCHECK(code_offset == method_offsets.code_offset_) << PrettyMethod(method_idx, dex_file); |
| if (!out.WriteFully(&code_size, sizeof(code_size))) { |
| ReportWriteFailure("method code size", method_idx, dex_file, out); |
| return 0; |
| } |
| size_code_size_ += sizeof(code_size); |
| relative_offset += sizeof(code_size); |
| DCHECK_OFFSET(); |
| if (!out.WriteFully(&code[0], code_size)) { |
| ReportWriteFailure("method code", method_idx, dex_file, out); |
| return 0; |
| } |
| size_code_ += code_size; |
| relative_offset += code_size; |
| } |
| DCHECK_OFFSET(); |
| #endif |
| |
| const std::vector<uint32_t>& mapping_table = compiled_method->GetMappingTable(); |
| size_t mapping_table_size = mapping_table.size() * sizeof(mapping_table[0]); |
| |
| // Deduplicate mapping tables |
| SafeMap<const std::vector<uint32_t>*, uint32_t>::iterator mapping_iter = |
| mapping_table_offsets_.find(&mapping_table); |
| if (mapping_iter != mapping_table_offsets_.end() && |
| relative_offset != method_offsets.mapping_table_offset_) { |
| DCHECK((mapping_table_size == 0 && method_offsets.mapping_table_offset_ == 0) |
| || mapping_iter->second == method_offsets.mapping_table_offset_) |
| << PrettyMethod(method_idx, dex_file); |
| } else { |
| DCHECK((mapping_table_size == 0 && method_offsets.mapping_table_offset_ == 0) |
| || relative_offset == method_offsets.mapping_table_offset_) |
| << PrettyMethod(method_idx, dex_file); |
| if (!out.WriteFully(&mapping_table[0], mapping_table_size)) { |
| ReportWriteFailure("mapping table", method_idx, dex_file, out); |
| return 0; |
| } |
| size_mapping_table_ += mapping_table_size; |
| relative_offset += mapping_table_size; |
| } |
| DCHECK_OFFSET(); |
| |
| const std::vector<uint16_t>& vmap_table = compiled_method->GetVmapTable(); |
| size_t vmap_table_size = vmap_table.size() * sizeof(vmap_table[0]); |
| |
| // Deduplicate vmap tables |
| SafeMap<const std::vector<uint16_t>*, uint32_t>::iterator vmap_iter = |
| vmap_table_offsets_.find(&vmap_table); |
| if (vmap_iter != vmap_table_offsets_.end() && |
| relative_offset != method_offsets.vmap_table_offset_) { |
| DCHECK((vmap_table_size == 0 && method_offsets.vmap_table_offset_ == 0) |
| || vmap_iter->second == method_offsets.vmap_table_offset_) |
| << PrettyMethod(method_idx, dex_file); |
| } else { |
| DCHECK((vmap_table_size == 0 && method_offsets.vmap_table_offset_ == 0) |
| || relative_offset == method_offsets.vmap_table_offset_) |
| << PrettyMethod(method_idx, dex_file); |
| if (!out.WriteFully(&vmap_table[0], vmap_table_size)) { |
| ReportWriteFailure("vmap table", method_idx, dex_file, out); |
| return 0; |
| } |
| size_vmap_table_ += vmap_table_size; |
| relative_offset += vmap_table_size; |
| } |
| DCHECK_OFFSET(); |
| |
| const std::vector<uint8_t>& gc_map = compiled_method->GetGcMap(); |
| size_t gc_map_size = gc_map.size() * sizeof(gc_map[0]); |
| |
| // Deduplicate GC maps |
| SafeMap<const std::vector<uint8_t>*, uint32_t>::iterator gc_map_iter = |
| gc_map_offsets_.find(&gc_map); |
| if (gc_map_iter != gc_map_offsets_.end() && |
| relative_offset != method_offsets.gc_map_offset_) { |
| DCHECK((gc_map_size == 0 && method_offsets.gc_map_offset_ == 0) |
| || gc_map_iter->second == method_offsets.gc_map_offset_) |
| << PrettyMethod(method_idx, dex_file); |
| } else { |
| DCHECK((gc_map_size == 0 && method_offsets.gc_map_offset_ == 0) |
| || relative_offset == method_offsets.gc_map_offset_) |
| << PrettyMethod(method_idx, dex_file); |
| if (!out.WriteFully(&gc_map[0], gc_map_size)) { |
| ReportWriteFailure("GC map", method_idx, dex_file, out); |
| return 0; |
| } |
| size_gc_map_ += gc_map_size; |
| relative_offset += gc_map_size; |
| } |
| DCHECK_OFFSET(); |
| } |
| |
| return relative_offset; |
| } |
| |
| OatWriter::OatDexFile::OatDexFile(size_t offset, const DexFile& dex_file) { |
| offset_ = offset; |
| const std::string& location(dex_file.GetLocation()); |
| dex_file_location_size_ = location.size(); |
| dex_file_location_data_ = reinterpret_cast<const uint8_t*>(location.data()); |
| dex_file_location_checksum_ = dex_file.GetLocationChecksum(); |
| dex_file_offset_ = 0; |
| methods_offsets_.resize(dex_file.NumClassDefs()); |
| } |
| |
| size_t OatWriter::OatDexFile::SizeOf() const { |
| return sizeof(dex_file_location_size_) |
| + dex_file_location_size_ |
| + sizeof(dex_file_location_checksum_) |
| + sizeof(dex_file_offset_) |
| + (sizeof(methods_offsets_[0]) * methods_offsets_.size()); |
| } |
| |
| void OatWriter::OatDexFile::UpdateChecksum(OatHeader& oat_header) const { |
| oat_header.UpdateChecksum(&dex_file_location_size_, sizeof(dex_file_location_size_)); |
| oat_header.UpdateChecksum(dex_file_location_data_, dex_file_location_size_); |
| oat_header.UpdateChecksum(&dex_file_location_checksum_, sizeof(dex_file_location_checksum_)); |
| oat_header.UpdateChecksum(&dex_file_offset_, sizeof(dex_file_offset_)); |
| oat_header.UpdateChecksum(&methods_offsets_[0], |
| sizeof(methods_offsets_[0]) * methods_offsets_.size()); |
| } |
| |
| bool OatWriter::OatDexFile::Write(OatWriter* oat_writer, |
| OutputStream& out, |
| const size_t file_offset) const { |
| DCHECK_OFFSET_(); |
| if (!out.WriteFully(&dex_file_location_size_, sizeof(dex_file_location_size_))) { |
| PLOG(ERROR) << "Failed to write dex file location length to " << out.GetLocation(); |
| return false; |
| } |
| oat_writer->size_oat_dex_file_location_size_ += sizeof(dex_file_location_size_); |
| if (!out.WriteFully(dex_file_location_data_, dex_file_location_size_)) { |
| PLOG(ERROR) << "Failed to write dex file location data to " << out.GetLocation(); |
| return false; |
| } |
| oat_writer->size_oat_dex_file_location_data_ += dex_file_location_size_; |
| if (!out.WriteFully(&dex_file_location_checksum_, sizeof(dex_file_location_checksum_))) { |
| PLOG(ERROR) << "Failed to write dex file location checksum to " << out.GetLocation(); |
| return false; |
| } |
| oat_writer->size_oat_dex_file_location_checksum_ += sizeof(dex_file_location_checksum_); |
| if (!out.WriteFully(&dex_file_offset_, sizeof(dex_file_offset_))) { |
| PLOG(ERROR) << "Failed to write dex file offset to " << out.GetLocation(); |
| return false; |
| } |
| oat_writer->size_oat_dex_file_offset_ += sizeof(dex_file_offset_); |
| if (!out.WriteFully(&methods_offsets_[0], |
| sizeof(methods_offsets_[0]) * methods_offsets_.size())) { |
| PLOG(ERROR) << "Failed to write methods offsets to " << out.GetLocation(); |
| return false; |
| } |
| oat_writer->size_oat_dex_file_methods_offsets_ += |
| sizeof(methods_offsets_[0]) * methods_offsets_.size(); |
| return true; |
| } |
| |
| OatWriter::OatClass::OatClass(size_t offset, mirror::Class::Status status, uint32_t methods_count) { |
| offset_ = offset; |
| status_ = status; |
| method_offsets_.resize(methods_count); |
| } |
| |
| size_t OatWriter::OatClass::GetOatMethodOffsetsOffsetFromOatHeader( |
| size_t class_def_method_index_) const { |
| return offset_ + GetOatMethodOffsetsOffsetFromOatClass(class_def_method_index_); |
| } |
| |
| size_t OatWriter::OatClass::GetOatMethodOffsetsOffsetFromOatClass( |
| size_t class_def_method_index_) const { |
| return sizeof(status_) |
| + (sizeof(method_offsets_[0]) * class_def_method_index_); |
| } |
| |
| size_t OatWriter::OatClass::SizeOf() const { |
| return GetOatMethodOffsetsOffsetFromOatClass(method_offsets_.size()); |
| } |
| |
| void OatWriter::OatClass::UpdateChecksum(OatHeader& oat_header) const { |
| oat_header.UpdateChecksum(&status_, sizeof(status_)); |
| oat_header.UpdateChecksum(&method_offsets_[0], |
| sizeof(method_offsets_[0]) * method_offsets_.size()); |
| } |
| |
| bool OatWriter::OatClass::Write(OatWriter* oat_writer, |
| OutputStream& out, |
| const size_t file_offset) const { |
| DCHECK_OFFSET_(); |
| if (!out.WriteFully(&status_, sizeof(status_))) { |
| PLOG(ERROR) << "Failed to write class status to " << out.GetLocation(); |
| return false; |
| } |
| oat_writer->size_oat_class_status_ += sizeof(status_); |
| DCHECK_EQ(static_cast<off_t>(file_offset + GetOatMethodOffsetsOffsetFromOatHeader(0)), |
| out.Seek(0, kSeekCurrent)); |
| if (!out.WriteFully(&method_offsets_[0], |
| sizeof(method_offsets_[0]) * method_offsets_.size())) { |
| PLOG(ERROR) << "Failed to write method offsets to " << out.GetLocation(); |
| return false; |
| } |
| oat_writer->size_oat_class_method_offsets_ += sizeof(method_offsets_[0]) * method_offsets_.size(); |
| DCHECK_EQ(static_cast<off_t>(file_offset + |
| GetOatMethodOffsetsOffsetFromOatHeader(method_offsets_.size())), |
| out.Seek(0, kSeekCurrent)); |
| return true; |
| } |
| |
| } // namespace art |
