Separate DexIr building from constructors.
Move all the construction from DexFile out of the constructors of the
basic IR.
Bug: 29921113
Change-Id: I3f79c104ce7183ddde73f143c047061416009a54
Test: test-art-host-gtest
diff --git a/dexlayout/dex_ir_builder.cc b/dexlayout/dex_ir_builder.cc
new file mode 100644
index 0000000..38f35e7
--- /dev/null
+++ b/dexlayout/dex_ir_builder.cc
@@ -0,0 +1,507 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Header file of an in-memory representation of DEX files.
+ */
+
+#include <stdint.h>
+#include <vector>
+
+#include "dex_ir_builder.h"
+
+namespace art {
+namespace dex_ir {
+
+namespace {
+
+static uint64_t ReadVarWidth(const uint8_t** data, uint8_t length, bool sign_extend) {
+ uint64_t value = 0;
+ for (uint32_t i = 0; i <= length; i++) {
+ value |= static_cast<uint64_t>(*(*data)++) << (i * 8);
+ }
+ if (sign_extend) {
+ int shift = (7 - length) * 8;
+ return (static_cast<int64_t>(value) << shift) >> shift;
+ }
+ return value;
+}
+
+// Prototype to break cyclic dependency.
+void ReadPayloadUnion(Header& header,
+ const uint8_t** data,
+ uint8_t type,
+ uint8_t length,
+ ArrayItem::PayloadUnion* item);
+
+ArrayItem* ReadArrayItem(Header& header, const uint8_t** data, uint8_t type, uint8_t length) {
+ ArrayItem* item = new ArrayItem(type);
+ ReadPayloadUnion(header, data, type, length, item->GetPayloadUnion());
+ return item;
+}
+
+ArrayItem* ReadArrayItem(Header& header, const uint8_t** data) {
+ const uint8_t encoded_value = *(*data)++;
+ const uint8_t type = encoded_value & 0x1f;
+ ArrayItem* item = new ArrayItem(type);
+ ReadPayloadUnion(header, data, type, encoded_value >> 5, item->GetPayloadUnion());
+ return item;
+}
+
+void ReadPayloadUnion(Header& header,
+ const uint8_t** data,
+ uint8_t type,
+ uint8_t length,
+ ArrayItem::PayloadUnion* item) {
+ switch (type) {
+ case DexFile::kDexAnnotationByte:
+ item->byte_val_ = static_cast<int8_t>(ReadVarWidth(data, length, false));
+ break;
+ case DexFile::kDexAnnotationShort:
+ item->short_val_ = static_cast<int16_t>(ReadVarWidth(data, length, true));
+ break;
+ case DexFile::kDexAnnotationChar:
+ item->char_val_ = static_cast<uint16_t>(ReadVarWidth(data, length, false));
+ break;
+ case DexFile::kDexAnnotationInt:
+ item->int_val_ = static_cast<int32_t>(ReadVarWidth(data, length, true));
+ break;
+ case DexFile::kDexAnnotationLong:
+ item->long_val_ = static_cast<int64_t>(ReadVarWidth(data, length, true));
+ break;
+ case DexFile::kDexAnnotationFloat: {
+ // Fill on right.
+ union {
+ float f;
+ uint32_t data;
+ } conv;
+ conv.data = static_cast<uint32_t>(ReadVarWidth(data, length, false)) << (3 - length) * 8;
+ item->float_val_ = conv.f;
+ break;
+ }
+ case DexFile::kDexAnnotationDouble: {
+ // Fill on right.
+ union {
+ double d;
+ uint64_t data;
+ } conv;
+ conv.data = ReadVarWidth(data, length, false) << (7 - length) * 8;
+ item->double_val_ = conv.d;
+ break;
+ }
+ case DexFile::kDexAnnotationString: {
+ const uint32_t string_index = static_cast<uint32_t>(ReadVarWidth(data, length, false));
+ item->string_val_ = header.StringIds()[string_index].get();
+ break;
+ }
+ case DexFile::kDexAnnotationType: {
+ const uint32_t string_index = static_cast<uint32_t>(ReadVarWidth(data, length, false));
+ item->string_val_ = header.TypeIds()[string_index]->GetStringId();
+ break;
+ }
+ case DexFile::kDexAnnotationField:
+ case DexFile::kDexAnnotationEnum: {
+ const uint32_t field_index = static_cast<uint32_t>(ReadVarWidth(data, length, false));
+ item->field_val_ = header.FieldIds()[field_index].get();
+ break;
+ }
+ case DexFile::kDexAnnotationMethod: {
+ const uint32_t method_index = static_cast<uint32_t>(ReadVarWidth(data, length, false));
+ item->method_val_ = header.MethodIds()[method_index].get();
+ break;
+ }
+ case DexFile::kDexAnnotationArray: {
+ item->annotation_array_val_ = new ArrayItemVector();
+ // Decode all elements.
+ const uint32_t size = DecodeUnsignedLeb128(data);
+ for (uint32_t i = 0; i < size; i++) {
+ item->annotation_array_val_->push_back(
+ std::unique_ptr<ArrayItem>(ReadArrayItem(header, data)));
+ }
+ break;
+ }
+ case DexFile::kDexAnnotationAnnotation: {
+ const uint32_t type_idx = DecodeUnsignedLeb128(data);
+ item->annotation_annotation_val_.string_ = header.TypeIds()[type_idx]->GetStringId();
+ item->annotation_annotation_val_.array_ =
+ new std::vector<std::unique_ptr<ArrayItem::NameValuePair>>();
+ // Decode all name=value pairs.
+ const uint32_t size = DecodeUnsignedLeb128(data);
+ for (uint32_t i = 0; i < size; i++) {
+ const uint32_t name_index = DecodeUnsignedLeb128(data);
+ item->annotation_annotation_val_.array_->push_back(
+ std::unique_ptr<ArrayItem::NameValuePair>(
+ new ArrayItem::NameValuePair(header.StringIds()[name_index].get(),
+ ReadArrayItem(header, data))));
+ }
+ break;
+ }
+ case DexFile::kDexAnnotationNull:
+ break;
+ case DexFile::kDexAnnotationBoolean:
+ item->bool_val_ = (length != 0);
+ break;
+ default:
+ break;
+ }
+}
+
+static bool GetPositionsCb(void* context, const DexFile::PositionInfo& entry) {
+ DebugInfoItem* debug_info = reinterpret_cast<DebugInfoItem*>(context);
+ PositionInfoVector& positions = debug_info->GetPositionInfo();
+ positions.push_back(std::unique_ptr<PositionInfo>(new PositionInfo(entry.address_, entry.line_)));
+ return false;
+}
+
+static void GetLocalsCb(void* context, const DexFile::LocalInfo& entry) {
+ DebugInfoItem* debug_info = reinterpret_cast<DebugInfoItem*>(context);
+ LocalInfoVector& locals = debug_info->GetLocalInfo();
+ const char* name = entry.name_ != nullptr ? entry.name_ : "(null)";
+ const char* signature = entry.signature_ != nullptr ? entry.signature_ : "";
+ locals.push_back(std::unique_ptr<LocalInfo>(
+ new LocalInfo(name, entry.descriptor_, signature, entry.start_address_,
+ entry.end_address_, entry.reg_)));
+}
+
+CodeItem* ReadCodeItem(const DexFile& dex_file,
+ const DexFile::CodeItem& disk_code_item,
+ Header& header) {
+ uint16_t registers_size = disk_code_item.registers_size_;
+ uint16_t ins_size = disk_code_item.ins_size_;
+ uint16_t outs_size = disk_code_item.outs_size_;
+ uint32_t tries_size = disk_code_item.tries_size_;
+
+ const uint8_t* debug_info_stream = dex_file.GetDebugInfoStream(&disk_code_item);
+ DebugInfoItem* debug_info = nullptr;
+ if (debug_info_stream != nullptr) {
+ debug_info = new DebugInfoItem();
+ }
+
+ uint32_t insns_size = disk_code_item.insns_size_in_code_units_;
+ uint16_t* insns = new uint16_t[insns_size];
+ memcpy(insns, disk_code_item.insns_, insns_size * sizeof(uint16_t));
+
+ TryItemVector* tries = nullptr;
+ if (tries_size > 0) {
+ tries = new TryItemVector();
+ for (uint32_t i = 0; i < tries_size; ++i) {
+ const DexFile::TryItem* disk_try_item = dex_file.GetTryItems(disk_code_item, i);
+ uint32_t start_addr = disk_try_item->start_addr_;
+ uint16_t insn_count = disk_try_item->insn_count_;
+ CatchHandlerVector* handlers = new CatchHandlerVector();
+ for (CatchHandlerIterator it(disk_code_item, *disk_try_item); it.HasNext(); it.Next()) {
+ const uint16_t type_index = it.GetHandlerTypeIndex();
+ const TypeId* type_id = header.GetTypeIdOrNullPtr(type_index);
+ handlers->push_back(std::unique_ptr<const CatchHandler>(
+ new CatchHandler(type_id, it.GetHandlerAddress())));
+ }
+ TryItem* try_item = new TryItem(start_addr, insn_count, handlers);
+ tries->push_back(std::unique_ptr<const TryItem>(try_item));
+ }
+ }
+ return new CodeItem(registers_size, ins_size, outs_size, debug_info, insns_size, insns, tries);
+}
+
+MethodItem* GenerateMethodItem(const DexFile& dex_file,
+ dex_ir::Header& header,
+ ClassDataItemIterator& cdii) {
+ MethodId* method_item = header.MethodIds()[cdii.GetMemberIndex()].get();
+ uint32_t access_flags = cdii.GetRawMemberAccessFlags();
+ const DexFile::CodeItem* disk_code_item = cdii.GetMethodCodeItem();
+ CodeItem* code_item = nullptr;
+ DebugInfoItem* debug_info = nullptr;
+ if (disk_code_item != nullptr) {
+ code_item = ReadCodeItem(dex_file, *disk_code_item, header);
+ code_item->SetOffset(cdii.GetMethodCodeItemOffset());
+ debug_info = code_item->DebugInfo();
+ }
+ if (debug_info != nullptr) {
+ bool is_static = (access_flags & kAccStatic) != 0;
+ dex_file.DecodeDebugLocalInfo(
+ disk_code_item, is_static, cdii.GetMemberIndex(), GetLocalsCb, debug_info);
+ dex_file.DecodeDebugPositionInfo(disk_code_item, GetPositionsCb, debug_info);
+ }
+ return new MethodItem(access_flags, method_item, code_item);
+}
+
+AnnotationSetItem* ReadAnnotationSetItem(const DexFile& dex_file,
+ const DexFile::AnnotationSetItem& disk_annotations_item,
+ Header& header) {
+ if (disk_annotations_item.size_ == 0) {
+ return nullptr;
+ }
+ AnnotationItemVector* items = new AnnotationItemVector();
+ for (uint32_t i = 0; i < disk_annotations_item.size_; ++i) {
+ const DexFile::AnnotationItem* annotation =
+ dex_file.GetAnnotationItem(&disk_annotations_item, i);
+ if (annotation == nullptr) {
+ continue;
+ }
+ uint8_t visibility = annotation->visibility_;
+ const uint8_t* annotation_data = annotation->annotation_;
+ ArrayItem* array_item =
+ ReadArrayItem(header, &annotation_data, DexFile::kDexAnnotationAnnotation, 0);
+ items->push_back(std::unique_ptr<AnnotationItem>(new AnnotationItem(visibility, array_item)));
+ }
+ return new AnnotationSetItem(items);
+}
+
+ParameterAnnotation* ReadParameterAnnotation(
+ const DexFile& dex_file,
+ MethodId* method_id,
+ const DexFile::AnnotationSetRefList* annotation_set_ref_list,
+ Header& header) {
+ AnnotationSetItemVector* annotations = new AnnotationSetItemVector();
+ for (uint32_t i = 0; i < annotation_set_ref_list->size_; ++i) {
+ const DexFile::AnnotationSetItem* annotation_set_item =
+ dex_file.GetSetRefItemItem(&annotation_set_ref_list->list_[i]);
+ annotations->push_back(std::unique_ptr<AnnotationSetItem>(
+ ReadAnnotationSetItem(dex_file, *annotation_set_item, header)));
+ }
+ return new ParameterAnnotation(method_id, annotations);
+}
+
+AnnotationsDirectoryItem* ReadAnnotationsDirectoryItem(
+ const DexFile& dex_file,
+ const DexFile::AnnotationsDirectoryItem* disk_annotations_item,
+ Header& header) {
+ const DexFile::AnnotationSetItem* class_set_item =
+ dex_file.GetClassAnnotationSet(disk_annotations_item);
+ AnnotationSetItem* class_annotation = nullptr;
+ if (class_set_item != nullptr) {
+ class_annotation = ReadAnnotationSetItem(dex_file, *class_set_item, header);
+ }
+ const DexFile::FieldAnnotationsItem* fields =
+ dex_file.GetFieldAnnotations(disk_annotations_item);
+ FieldAnnotationVector* field_annotations = nullptr;
+ if (fields != nullptr) {
+ field_annotations = new FieldAnnotationVector();
+ for (uint32_t i = 0; i < disk_annotations_item->fields_size_; ++i) {
+ FieldId* field_id = header.FieldIds()[fields[i].field_idx_].get();
+ const DexFile::AnnotationSetItem* field_set_item =
+ dex_file.GetFieldAnnotationSetItem(fields[i]);
+ AnnotationSetItem* annotation_set_item =
+ ReadAnnotationSetItem(dex_file, *field_set_item, header);
+ field_annotations->push_back(std::unique_ptr<FieldAnnotation>(
+ new FieldAnnotation(field_id, annotation_set_item)));
+ }
+ }
+ const DexFile::MethodAnnotationsItem* methods =
+ dex_file.GetMethodAnnotations(disk_annotations_item);
+ MethodAnnotationVector* method_annotations = nullptr;
+ if (methods != nullptr) {
+ method_annotations = new MethodAnnotationVector();
+ for (uint32_t i = 0; i < disk_annotations_item->methods_size_; ++i) {
+ MethodId* method_id = header.MethodIds()[methods[i].method_idx_].get();
+ const DexFile::AnnotationSetItem* method_set_item =
+ dex_file.GetMethodAnnotationSetItem(methods[i]);
+ AnnotationSetItem* annotation_set_item =
+ ReadAnnotationSetItem(dex_file, *method_set_item, header);
+ method_annotations->push_back(std::unique_ptr<MethodAnnotation>(
+ new MethodAnnotation(method_id, annotation_set_item)));
+ }
+ }
+ const DexFile::ParameterAnnotationsItem* parameters =
+ dex_file.GetParameterAnnotations(disk_annotations_item);
+ ParameterAnnotationVector* parameter_annotations = nullptr;
+ if (parameters != nullptr) {
+ parameter_annotations = new ParameterAnnotationVector();
+ for (uint32_t i = 0; i < disk_annotations_item->parameters_size_; ++i) {
+ MethodId* method_id = header.MethodIds()[parameters[i].method_idx_].get();
+ const DexFile::AnnotationSetRefList* list =
+ dex_file.GetParameterAnnotationSetRefList(¶meters[i]);
+ parameter_annotations->push_back(std::unique_ptr<ParameterAnnotation>(
+ ReadParameterAnnotation(dex_file, method_id, list, header)));
+ }
+ }
+
+ return new AnnotationsDirectoryItem(class_annotation,
+ field_annotations,
+ method_annotations,
+ parameter_annotations);
+}
+
+ClassDef* ReadClassDef(const DexFile& dex_file,
+ const DexFile::ClassDef& disk_class_def,
+ Header& header) {
+ const TypeId* class_type = header.TypeIds()[disk_class_def.class_idx_].get();
+ uint32_t access_flags = disk_class_def.access_flags_;
+ const TypeId* superclass = header.GetTypeIdOrNullPtr(disk_class_def.superclass_idx_);
+
+ TypeIdVector* interfaces = nullptr;
+ const DexFile::TypeList* type_list = dex_file.GetInterfacesList(disk_class_def);
+ uint32_t interfaces_offset = disk_class_def.interfaces_off_;
+ if (type_list != nullptr) {
+ interfaces = new TypeIdVector();
+ for (uint32_t index = 0; index < type_list->Size(); ++index) {
+ interfaces->push_back(header.TypeIds()[type_list->GetTypeItem(index).type_idx_].get());
+ }
+ }
+ const StringId* source_file = header.GetStringIdOrNullPtr(disk_class_def.source_file_idx_);
+ // Annotations.
+ AnnotationsDirectoryItem* annotations = nullptr;
+ const DexFile::AnnotationsDirectoryItem* disk_annotations_directory_item =
+ dex_file.GetAnnotationsDirectory(disk_class_def);
+ if (disk_annotations_directory_item != nullptr) {
+ annotations = ReadAnnotationsDirectoryItem(dex_file, disk_annotations_directory_item, header);
+ annotations->SetOffset(disk_class_def.annotations_off_);
+ }
+ // Static field initializers.
+ ArrayItemVector* static_values = nullptr;
+ const uint8_t* static_data = dex_file.GetEncodedStaticFieldValuesArray(disk_class_def);
+ if (static_data != nullptr) {
+ uint32_t static_value_count = static_data == nullptr ? 0 : DecodeUnsignedLeb128(&static_data);
+ if (static_value_count > 0) {
+ static_values = new ArrayItemVector();
+ for (uint32_t i = 0; i < static_value_count; ++i) {
+ static_values->push_back(std::unique_ptr<ArrayItem>(ReadArrayItem(header, &static_data)));
+ }
+ }
+ }
+ // Read the fields and methods defined by the class, resolving the circular reference from those
+ // to classes by setting class at the same time.
+ const uint8_t* encoded_data = dex_file.GetClassData(disk_class_def);
+ ClassData* class_data = nullptr;
+ if (encoded_data != nullptr) {
+ uint32_t offset = disk_class_def.class_data_off_;
+ ClassDataItemIterator cdii(dex_file, encoded_data);
+ // Static fields.
+ FieldItemVector* static_fields = new FieldItemVector();
+ for (uint32_t i = 0; cdii.HasNextStaticField(); i++, cdii.Next()) {
+ FieldId* field_item = header.FieldIds()[cdii.GetMemberIndex()].get();
+ uint32_t access_flags = cdii.GetRawMemberAccessFlags();
+ static_fields->push_back(std::unique_ptr<FieldItem>(new FieldItem(access_flags, field_item)));
+ }
+ // Instance fields.
+ FieldItemVector* instance_fields = new FieldItemVector();
+ for (uint32_t i = 0; cdii.HasNextInstanceField(); i++, cdii.Next()) {
+ FieldId* field_item = header.FieldIds()[cdii.GetMemberIndex()].get();
+ uint32_t access_flags = cdii.GetRawMemberAccessFlags();
+ instance_fields->push_back(
+ std::unique_ptr<FieldItem>(new FieldItem(access_flags, field_item)));
+ }
+ // Direct methods.
+ MethodItemVector* direct_methods = new MethodItemVector();
+ for (uint32_t i = 0; cdii.HasNextDirectMethod(); i++, cdii.Next()) {
+ direct_methods->push_back(
+ std::unique_ptr<MethodItem>(GenerateMethodItem(dex_file, header, cdii)));
+ }
+ // Virtual methods.
+ MethodItemVector* virtual_methods = new MethodItemVector();
+ for (uint32_t i = 0; cdii.HasNextVirtualMethod(); i++, cdii.Next()) {
+ virtual_methods->push_back(
+ std::unique_ptr<MethodItem>(GenerateMethodItem(dex_file, header, cdii)));
+ }
+ class_data = new ClassData(static_fields, instance_fields, direct_methods, virtual_methods);
+ class_data->SetOffset(offset);
+ }
+ return new ClassDef(class_type,
+ access_flags,
+ superclass,
+ interfaces,
+ interfaces_offset,
+ source_file,
+ annotations,
+ static_values,
+ class_data);
+}
+
+} // namespace
+
+Header* DexIrBuilder(const DexFile& dex_file) {
+ const DexFile::Header& disk_header = dex_file.GetHeader();
+ Header* header = new Header(disk_header.magic_,
+ disk_header.checksum_,
+ disk_header.signature_,
+ disk_header.endian_tag_,
+ disk_header.file_size_,
+ disk_header.header_size_,
+ disk_header.link_size_,
+ disk_header.link_off_,
+ disk_header.data_size_,
+ disk_header.data_off_);
+ // Walk the rest of the header fields.
+ // StringId table.
+ std::vector<std::unique_ptr<StringId>>& string_ids = header->StringIds();
+ header->SetStringIdsOffset(disk_header.string_ids_off_);
+ for (uint32_t i = 0; i < dex_file.NumStringIds(); ++i) {
+ const DexFile::StringId& disk_string_id = dex_file.GetStringId(i);
+ StringId* string_id = new StringId(dex_file.GetStringData(disk_string_id));
+ string_id->SetOffset(i);
+ string_ids.push_back(std::unique_ptr<StringId>(string_id));
+ }
+ // TypeId table.
+ std::vector<std::unique_ptr<TypeId>>& type_ids = header->TypeIds();
+ header->SetTypeIdsOffset(disk_header.type_ids_off_);
+ for (uint32_t i = 0; i < dex_file.NumTypeIds(); ++i) {
+ const DexFile::TypeId& disk_type_id = dex_file.GetTypeId(i);
+ TypeId* type_id = new TypeId(header->StringIds()[disk_type_id.descriptor_idx_].get());
+ type_id->SetOffset(i);
+ type_ids.push_back(std::unique_ptr<TypeId>(type_id));
+ }
+ // ProtoId table.
+ std::vector<std::unique_ptr<ProtoId>>& proto_ids = header->ProtoIds();
+ header->SetProtoIdsOffset(disk_header.proto_ids_off_);
+ for (uint32_t i = 0; i < dex_file.NumProtoIds(); ++i) {
+ const DexFile::ProtoId& disk_proto_id = dex_file.GetProtoId(i);
+ // Build the parameter type vector.
+ TypeIdVector* parameters = new TypeIdVector();
+ DexFileParameterIterator dfpi(dex_file, disk_proto_id);
+ while (dfpi.HasNext()) {
+ parameters->push_back(header->TypeIds()[dfpi.GetTypeIdx()].get());
+ dfpi.Next();
+ }
+ ProtoId* proto_id = new ProtoId(header->StringIds()[disk_proto_id.shorty_idx_].get(),
+ header->TypeIds()[disk_proto_id.return_type_idx_].get(),
+ parameters);
+ proto_id->SetOffset(i);
+ proto_ids.push_back(std::unique_ptr<ProtoId>(proto_id));
+ }
+ // FieldId table.
+ std::vector<std::unique_ptr<FieldId>>& field_ids = header->FieldIds();
+ header->SetFieldIdsOffset(disk_header.field_ids_off_);
+ for (uint32_t i = 0; i < dex_file.NumFieldIds(); ++i) {
+ const DexFile::FieldId& disk_field_id = dex_file.GetFieldId(i);
+ FieldId* field_id = new FieldId(header->TypeIds()[disk_field_id.class_idx_].get(),
+ header->TypeIds()[disk_field_id.type_idx_].get(),
+ header->StringIds()[disk_field_id.name_idx_].get());
+ field_id->SetOffset(i);
+ field_ids.push_back(std::unique_ptr<FieldId>(field_id));
+ }
+ // MethodId table.
+ std::vector<std::unique_ptr<MethodId>>& method_ids = header->MethodIds();
+ header->SetMethodIdsOffset(disk_header.method_ids_off_);
+ for (uint32_t i = 0; i < dex_file.NumMethodIds(); ++i) {
+ const DexFile::MethodId& disk_method_id = dex_file.GetMethodId(i);
+ MethodId* method_id = new MethodId(header->TypeIds()[disk_method_id.class_idx_].get(),
+ header->ProtoIds()[disk_method_id.proto_idx_].get(),
+ header->StringIds()[disk_method_id.name_idx_].get());
+ method_id->SetOffset(i);
+ method_ids.push_back(std::unique_ptr<MethodId>(method_id));
+ }
+ // ClassDef table.
+ std::vector<std::unique_ptr<ClassDef>>& class_defs = header->ClassDefs();
+ header->SetClassDefsOffset(disk_header.class_defs_off_);
+ for (uint32_t i = 0; i < dex_file.NumClassDefs(); ++i) {
+ const DexFile::ClassDef& disk_class_def = dex_file.GetClassDef(i);
+ ClassDef* class_def = ReadClassDef(dex_file, disk_class_def, *header);
+ class_def->SetOffset(i);
+ class_defs.push_back(std::unique_ptr<ClassDef>(class_def));
+ }
+
+ return header;
+}
+
+} // namespace dex_ir
+} // namespace art