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PL281/Q0/art/dexlayout/dex_ir_builder.cc

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/*
* 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 <memory>
#include <vector>
#include "dex_ir_builder.h"
#include "dex/class_accessor-inl.h"
#include "dex/code_item_accessors-inl.h"
#include "dex/dex_file_exception_helpers.h"
#include "dexlayout.h"
namespace art {
namespace dex_ir {
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;
}
static uint32_t GetDebugInfoStreamSize(const uint8_t* debug_info_stream) {
const uint8_t* stream = debug_info_stream;
DecodeUnsignedLeb128(&stream); // line_start
uint32_t parameters_size = DecodeUnsignedLeb128(&stream);
for (uint32_t i = 0; i < parameters_size; ++i) {
DecodeUnsignedLeb128P1(&stream); // Parameter name.
}
for (;;) {
uint8_t opcode = *stream++;
switch (opcode) {
case DexFile::DBG_END_SEQUENCE:
return stream - debug_info_stream; // end of stream.
case DexFile::DBG_ADVANCE_PC:
DecodeUnsignedLeb128(&stream); // addr_diff
break;
case DexFile::DBG_ADVANCE_LINE:
DecodeSignedLeb128(&stream); // line_diff
break;
case DexFile::DBG_START_LOCAL:
DecodeUnsignedLeb128(&stream); // register_num
DecodeUnsignedLeb128P1(&stream); // name_idx
DecodeUnsignedLeb128P1(&stream); // type_idx
break;
case DexFile::DBG_START_LOCAL_EXTENDED:
DecodeUnsignedLeb128(&stream); // register_num
DecodeUnsignedLeb128P1(&stream); // name_idx
DecodeUnsignedLeb128P1(&stream); // type_idx
DecodeUnsignedLeb128P1(&stream); // sig_idx
break;
case DexFile::DBG_END_LOCAL:
case DexFile::DBG_RESTART_LOCAL:
DecodeUnsignedLeb128(&stream); // register_num
break;
case DexFile::DBG_SET_PROLOGUE_END:
case DexFile::DBG_SET_EPILOGUE_BEGIN:
break;
case DexFile::DBG_SET_FILE: {
DecodeUnsignedLeb128P1(&stream); // name_idx
break;
}
default: {
break;
}
}
}
}
template<class T> class CollectionMap : public CollectionBase {
public:
CollectionMap() = default;
~CollectionMap() override { }
template <class... Args>
T* CreateAndAddItem(CollectionVector<T>& vector,
bool eagerly_assign_offsets,
uint32_t offset,
Args&&... args) {
T* item = vector.CreateAndAddItem(std::forward<Args>(args)...);
DCHECK(!GetExistingObject(offset));
DCHECK(!item->OffsetAssigned());
if (eagerly_assign_offsets) {
item->SetOffset(offset);
}
AddItem(item, offset);
return item;
}
// Returns the existing item if it is already inserted, null otherwise.
T* GetExistingObject(uint32_t offset) {
auto it = collection_.find(offset);
return it != collection_.end() ? it->second : nullptr;
}
uint32_t Size() const override { return size(); }
// Lower case for template interop with std::map.
uint32_t size() const { return collection_.size(); }
std::map<uint32_t, T*>& Collection() { return collection_; }
private:
std::map<uint32_t, T*> collection_;
// CollectionMaps do not own the objects they contain, therefore AddItem is supported
// rather than CreateAndAddItem.
void AddItem(T* object, uint32_t offset) {
auto it = collection_.emplace(offset, object);
CHECK(it.second) << "CollectionMap already has an object with offset " << offset << " "
<< " and address " << it.first->second;
}
DISALLOW_COPY_AND_ASSIGN(CollectionMap);
};
class BuilderMaps {
public:
BuilderMaps(Header* header, bool eagerly_assign_offsets)
: header_(header), eagerly_assign_offsets_(eagerly_assign_offsets) { }
void CreateStringId(const DexFile& dex_file, uint32_t i);
void CreateTypeId(const DexFile& dex_file, uint32_t i);
void CreateProtoId(const DexFile& dex_file, uint32_t i);
void CreateFieldId(const DexFile& dex_file, uint32_t i);
void CreateMethodId(const DexFile& dex_file, uint32_t i);
void CreateClassDef(const DexFile& dex_file, uint32_t i);
void CreateCallSiteId(const DexFile& dex_file, uint32_t i);
void CreateMethodHandleItem(const DexFile& dex_file, uint32_t i);
void CreateCallSitesAndMethodHandles(const DexFile& dex_file);
TypeList* CreateTypeList(const dex::TypeList* type_list, uint32_t offset);
EncodedArrayItem* CreateEncodedArrayItem(const DexFile& dex_file,
const uint8_t* static_data,
uint32_t offset);
AnnotationItem* CreateAnnotationItem(const DexFile& dex_file,
const dex::AnnotationItem* annotation);
AnnotationSetItem* CreateAnnotationSetItem(const DexFile& dex_file,
const dex::AnnotationSetItem* disk_annotations_item, uint32_t offset);
AnnotationsDirectoryItem* CreateAnnotationsDirectoryItem(const DexFile& dex_file,
const dex::AnnotationsDirectoryItem* disk_annotations_item, uint32_t offset);
CodeItem* DedupeOrCreateCodeItem(const DexFile& dex_file,
const dex::CodeItem* disk_code_item,
uint32_t offset,
uint32_t dex_method_index);
ClassData* CreateClassData(const DexFile& dex_file, const dex::ClassDef& class_def);
void AddAnnotationsFromMapListSection(const DexFile& dex_file,
uint32_t start_offset,
uint32_t count);
void AddHiddenapiClassDataFromMapListSection(const DexFile& dex_file, uint32_t offset);
void CheckAndSetRemainingOffsets(const DexFile& dex_file, const Options& options);
// Sort the vectors buy map order (same order that was used in the input file).
void SortVectorsByMapOrder();
private:
bool GetIdsFromByteCode(const CodeItem* code,
std::vector<TypeId*>* type_ids,
std::vector<StringId*>* string_ids,
std::vector<MethodId*>* method_ids,
std::vector<FieldId*>* field_ids);
bool GetIdFromInstruction(const Instruction* dec_insn,
std::vector<TypeId*>* type_ids,
std::vector<StringId*>* string_ids,
std::vector<MethodId*>* method_ids,
std::vector<FieldId*>* field_ids);
EncodedValue* ReadEncodedValue(const DexFile& dex_file, const uint8_t** data);
EncodedValue* ReadEncodedValue(const DexFile& dex_file,
const uint8_t** data,
uint8_t type,
uint8_t length);
void ReadEncodedValue(const DexFile& dex_file,
const uint8_t** data,
uint8_t type,
uint8_t length,
EncodedValue* item);
MethodItem GenerateMethodItem(const DexFile& dex_file, const ClassAccessor::Method& method);
ParameterAnnotation* GenerateParameterAnnotation(
const DexFile& dex_file,
MethodId* method_id,
const dex::AnnotationSetRefList* annotation_set_ref_list,
uint32_t offset);
template <typename Type, class... Args>
Type* CreateAndAddIndexedItem(IndexedCollectionVector<Type>& vector,
uint32_t offset,
uint32_t index,
Args&&... args) {
Type* item = vector.CreateAndAddIndexedItem(index, std::forward<Args>(args)...);
DCHECK(!item->OffsetAssigned());
if (eagerly_assign_offsets_) {
item->SetOffset(offset);
}
return item;
}
Header* header_;
// If we eagerly assign offsets during IR building or later after layout. Must be false if
// changing the layout is enabled.
bool eagerly_assign_offsets_;
// Note: maps do not have ownership.
CollectionMap<StringData> string_datas_map_;
CollectionMap<TypeList> type_lists_map_;
CollectionMap<EncodedArrayItem> encoded_array_items_map_;
CollectionMap<AnnotationItem> annotation_items_map_;
CollectionMap<AnnotationSetItem> annotation_set_items_map_;
CollectionMap<AnnotationSetRefList> annotation_set_ref_lists_map_;
CollectionMap<AnnotationsDirectoryItem> annotations_directory_items_map_;
CollectionMap<DebugInfoItem> debug_info_items_map_;
// Code item maps need to check both the debug info offset and debug info offset, do not use
// CollectionMap.
// First offset is the code item offset, second is the debug info offset.
std::map<std::pair<uint32_t, uint32_t>, CodeItem*> code_items_map_;
CollectionMap<ClassData> class_datas_map_;
DISALLOW_COPY_AND_ASSIGN(BuilderMaps);
};
Header* DexIrBuilder(const DexFile& dex_file,
bool eagerly_assign_offsets,
const Options& options) {
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_,
dex_file.SupportsDefaultMethods(),
dex_file.NumStringIds(),
dex_file.NumTypeIds(),
dex_file.NumProtoIds(),
dex_file.NumFieldIds(),
dex_file.NumMethodIds(),
dex_file.NumClassDefs());
BuilderMaps builder_maps(header, eagerly_assign_offsets);
// Walk the rest of the header fields.
// StringId table.
header->StringIds().SetOffset(disk_header.string_ids_off_);
for (uint32_t i = 0; i < dex_file.NumStringIds(); ++i) {
builder_maps.CreateStringId(dex_file, i);
}
// TypeId table.
header->TypeIds().SetOffset(disk_header.type_ids_off_);
for (uint32_t i = 0; i < dex_file.NumTypeIds(); ++i) {
builder_maps.CreateTypeId(dex_file, i);
}
// ProtoId table.
header->ProtoIds().SetOffset(disk_header.proto_ids_off_);
for (uint32_t i = 0; i < dex_file.NumProtoIds(); ++i) {
builder_maps.CreateProtoId(dex_file, i);
}
// FieldId table.
header->FieldIds().SetOffset(disk_header.field_ids_off_);
for (uint32_t i = 0; i < dex_file.NumFieldIds(); ++i) {
builder_maps.CreateFieldId(dex_file, i);
}
// MethodId table.
header->MethodIds().SetOffset(disk_header.method_ids_off_);
for (uint32_t i = 0; i < dex_file.NumMethodIds(); ++i) {
builder_maps.CreateMethodId(dex_file, i);
}
// ClassDef table.
header->ClassDefs().SetOffset(disk_header.class_defs_off_);
for (uint32_t i = 0; i < dex_file.NumClassDefs(); ++i) {
if (!options.class_filter_.empty()) {
// If the filter is enabled (not empty), filter out classes that don't have a matching
// descriptor.
const dex::ClassDef& class_def = dex_file.GetClassDef(i);
const char* descriptor = dex_file.GetClassDescriptor(class_def);
if (options.class_filter_.find(descriptor) == options.class_filter_.end()) {
continue;
}
}
builder_maps.CreateClassDef(dex_file, i);
}
// MapItem.
header->SetMapListOffset(disk_header.map_off_);
// CallSiteIds and MethodHandleItems.
builder_maps.CreateCallSitesAndMethodHandles(dex_file);
builder_maps.CheckAndSetRemainingOffsets(dex_file, options);
// Sort the vectors by the map order (same order as the file).
builder_maps.SortVectorsByMapOrder();
// Load the link data if it exists.
header->SetLinkData(std::vector<uint8_t>(
dex_file.DataBegin() + dex_file.GetHeader().link_off_,
dex_file.DataBegin() + dex_file.GetHeader().link_off_ + dex_file.GetHeader().link_size_));
return header;
}
/*
* Get all the types, strings, methods, and fields referred to from bytecode.
*/
void BuilderMaps::CheckAndSetRemainingOffsets(const DexFile& dex_file, const Options& options) {
const DexFile::Header& disk_header = dex_file.GetHeader();
// Read MapItems and validate/set remaining offsets.
const dex::MapList* map = dex_file.GetMapList();
const uint32_t count = map->size_;
for (uint32_t i = 0; i < count; ++i) {
const dex::MapItem* item = map->list_ + i;
switch (item->type_) {
case DexFile::kDexTypeHeaderItem:
CHECK_EQ(item->size_, 1u);
CHECK_EQ(item->offset_, 0u);
break;
case DexFile::kDexTypeStringIdItem:
CHECK_EQ(item->size_, header_->StringIds().Size());
CHECK_EQ(item->offset_, header_->StringIds().GetOffset());
break;
case DexFile::kDexTypeTypeIdItem:
CHECK_EQ(item->size_, header_->TypeIds().Size());
CHECK_EQ(item->offset_, header_->TypeIds().GetOffset());
break;
case DexFile::kDexTypeProtoIdItem:
CHECK_EQ(item->size_, header_->ProtoIds().Size());
CHECK_EQ(item->offset_, header_->ProtoIds().GetOffset());
break;
case DexFile::kDexTypeFieldIdItem:
CHECK_EQ(item->size_, header_->FieldIds().Size());
CHECK_EQ(item->offset_, header_->FieldIds().GetOffset());
break;
case DexFile::kDexTypeMethodIdItem:
CHECK_EQ(item->size_, header_->MethodIds().Size());
CHECK_EQ(item->offset_, header_->MethodIds().GetOffset());
break;
case DexFile::kDexTypeClassDefItem:
if (options.class_filter_.empty()) {
// The filter may have removed some classes, this will get fixed up during writing.
CHECK_EQ(item->size_, header_->ClassDefs().Size());
}
CHECK_EQ(item->offset_, header_->ClassDefs().GetOffset());
break;
case DexFile::kDexTypeCallSiteIdItem:
CHECK_EQ(item->size_, header_->CallSiteIds().Size());
CHECK_EQ(item->offset_, header_->CallSiteIds().GetOffset());
break;
case DexFile::kDexTypeMethodHandleItem:
CHECK_EQ(item->size_, header_->MethodHandleItems().Size());
CHECK_EQ(item->offset_, header_->MethodHandleItems().GetOffset());
break;
case DexFile::kDexTypeMapList:
CHECK_EQ(item->size_, 1u);
CHECK_EQ(item->offset_, disk_header.map_off_);
break;
case DexFile::kDexTypeTypeList:
header_->TypeLists().SetOffset(item->offset_);
break;
case DexFile::kDexTypeAnnotationSetRefList:
header_->AnnotationSetRefLists().SetOffset(item->offset_);
break;
case DexFile::kDexTypeAnnotationSetItem:
header_->AnnotationSetItems().SetOffset(item->offset_);
break;
case DexFile::kDexTypeClassDataItem:
header_->ClassDatas().SetOffset(item->offset_);
break;
case DexFile::kDexTypeCodeItem:
header_->CodeItems().SetOffset(item->offset_);
break;
case DexFile::kDexTypeStringDataItem:
header_->StringDatas().SetOffset(item->offset_);
break;
case DexFile::kDexTypeDebugInfoItem:
header_->DebugInfoItems().SetOffset(item->offset_);
break;
case DexFile::kDexTypeAnnotationItem:
header_->AnnotationItems().SetOffset(item->offset_);
AddAnnotationsFromMapListSection(dex_file, item->offset_, item->size_);
break;
case DexFile::kDexTypeEncodedArrayItem:
header_->EncodedArrayItems().SetOffset(item->offset_);
break;
case DexFile::kDexTypeAnnotationsDirectoryItem:
header_->AnnotationsDirectoryItems().SetOffset(item->offset_);
break;
case DexFile::kDexTypeHiddenapiClassData:
header_->HiddenapiClassDatas().SetOffset(item->offset_);
AddHiddenapiClassDataFromMapListSection(dex_file, item->offset_);
break;
default:
LOG(ERROR) << "Unknown map list item type.";
}
}
}
void BuilderMaps::CreateStringId(const DexFile& dex_file, uint32_t i) {
const dex::StringId& disk_string_id = dex_file.GetStringId(dex::StringIndex(i));
StringData* string_data =
string_datas_map_.CreateAndAddItem(header_->StringDatas(),
eagerly_assign_offsets_,
disk_string_id.string_data_off_,
dex_file.GetStringData(disk_string_id));
CreateAndAddIndexedItem(header_->StringIds(),
header_->StringIds().GetOffset() + i * StringId::ItemSize(),
i,
string_data);
}
void BuilderMaps::CreateTypeId(const DexFile& dex_file, uint32_t i) {
const dex::TypeId& disk_type_id = dex_file.GetTypeId(dex::TypeIndex(i));
CreateAndAddIndexedItem(header_->TypeIds(),
header_->TypeIds().GetOffset() + i * TypeId::ItemSize(),
i,
header_->StringIds()[disk_type_id.descriptor_idx_.index_]);
}
void BuilderMaps::CreateProtoId(const DexFile& dex_file, uint32_t i) {
const dex::ProtoId& disk_proto_id = dex_file.GetProtoId(dex::ProtoIndex(i));
const dex::TypeList* type_list = dex_file.GetProtoParameters(disk_proto_id);
TypeList* parameter_type_list = CreateTypeList(type_list, disk_proto_id.parameters_off_);
CreateAndAddIndexedItem(header_->ProtoIds(),
header_->ProtoIds().GetOffset() + i * ProtoId::ItemSize(),
i,
header_->StringIds()[disk_proto_id.shorty_idx_.index_],
header_->TypeIds()[disk_proto_id.return_type_idx_.index_],
parameter_type_list);
}
void BuilderMaps::CreateFieldId(const DexFile& dex_file, uint32_t i) {
const dex::FieldId& disk_field_id = dex_file.GetFieldId(i);
CreateAndAddIndexedItem(header_->FieldIds(),
header_->FieldIds().GetOffset() + i * FieldId::ItemSize(),
i,
header_->TypeIds()[disk_field_id.class_idx_.index_],
header_->TypeIds()[disk_field_id.type_idx_.index_],
header_->StringIds()[disk_field_id.name_idx_.index_]);
}
void BuilderMaps::CreateMethodId(const DexFile& dex_file, uint32_t i) {
const dex::MethodId& disk_method_id = dex_file.GetMethodId(i);
CreateAndAddIndexedItem(header_->MethodIds(),
header_->MethodIds().GetOffset() + i * MethodId::ItemSize(),
i,
header_->TypeIds()[disk_method_id.class_idx_.index_],
header_->ProtoIds()[disk_method_id.proto_idx_.index_],
header_->StringIds()[disk_method_id.name_idx_.index_]);
}
void BuilderMaps::CreateClassDef(const DexFile& dex_file, uint32_t i) {
const dex::ClassDef& disk_class_def = dex_file.GetClassDef(i);
const TypeId* class_type = header_->TypeIds()[disk_class_def.class_idx_.index_];
uint32_t access_flags = disk_class_def.access_flags_;
const TypeId* superclass = header_->GetTypeIdOrNullPtr(disk_class_def.superclass_idx_.index_);
const dex::TypeList* type_list = dex_file.GetInterfacesList(disk_class_def);
TypeList* interfaces_type_list = CreateTypeList(type_list, disk_class_def.interfaces_off_);
const StringId* source_file =
header_->GetStringIdOrNullPtr(disk_class_def.source_file_idx_.index_);
// Annotations.
AnnotationsDirectoryItem* annotations = nullptr;
const dex::AnnotationsDirectoryItem* disk_annotations_directory_item =
dex_file.GetAnnotationsDirectory(disk_class_def);
if (disk_annotations_directory_item != nullptr) {
annotations = CreateAnnotationsDirectoryItem(
dex_file, disk_annotations_directory_item, disk_class_def.annotations_off_);
}
// Static field initializers.
const uint8_t* static_data = dex_file.GetEncodedStaticFieldValuesArray(disk_class_def);
EncodedArrayItem* static_values =
CreateEncodedArrayItem(dex_file, static_data, disk_class_def.static_values_off_);
ClassData* class_data = CreateClassData(dex_file, disk_class_def);
CreateAndAddIndexedItem(header_->ClassDefs(),
header_->ClassDefs().GetOffset() + i * ClassDef::ItemSize(),
i,
class_type,
access_flags,
superclass,
interfaces_type_list,
source_file,
annotations,
static_values,
class_data);
}
void BuilderMaps::CreateCallSiteId(const DexFile& dex_file, uint32_t i) {
const dex::CallSiteIdItem& disk_call_site_id = dex_file.GetCallSiteId(i);
const uint8_t* disk_call_item_ptr = dex_file.DataBegin() + disk_call_site_id.data_off_;
EncodedArrayItem* call_site_item =
CreateEncodedArrayItem(dex_file, disk_call_item_ptr, disk_call_site_id.data_off_);
CreateAndAddIndexedItem(header_->CallSiteIds(),
header_->CallSiteIds().GetOffset() + i * CallSiteId::ItemSize(),
i,
call_site_item);
}
void BuilderMaps::CreateMethodHandleItem(const DexFile& dex_file, uint32_t i) {
const dex::MethodHandleItem& disk_method_handle = dex_file.GetMethodHandle(i);
uint16_t index = disk_method_handle.field_or_method_idx_;
DexFile::MethodHandleType type =
static_cast<DexFile::MethodHandleType>(disk_method_handle.method_handle_type_);
bool is_invoke = type == DexFile::MethodHandleType::kInvokeStatic ||
type == DexFile::MethodHandleType::kInvokeInstance ||
type == DexFile::MethodHandleType::kInvokeConstructor ||
type == DexFile::MethodHandleType::kInvokeDirect ||
type == DexFile::MethodHandleType::kInvokeInterface;
static_assert(DexFile::MethodHandleType::kLast == DexFile::MethodHandleType::kInvokeInterface,
"Unexpected method handle types.");
IndexedItem* field_or_method_id;
if (is_invoke) {
field_or_method_id = header_->MethodIds()[index];
} else {
field_or_method_id = header_->FieldIds()[index];
}
CreateAndAddIndexedItem(header_->MethodHandleItems(),
header_->MethodHandleItems().GetOffset() +
i * MethodHandleItem::ItemSize(),
i,
type,
field_or_method_id);
}
void BuilderMaps::CreateCallSitesAndMethodHandles(const DexFile& dex_file) {
// Iterate through the map list and set the offset of the CallSiteIds and MethodHandleItems.
const dex::MapList* map = dex_file.GetMapList();
for (uint32_t i = 0; i < map->size_; ++i) {
const dex::MapItem* item = map->list_ + i;
switch (item->type_) {
case DexFile::kDexTypeCallSiteIdItem:
header_->CallSiteIds().SetOffset(item->offset_);
break;
case DexFile::kDexTypeMethodHandleItem:
header_->MethodHandleItems().SetOffset(item->offset_);
break;
default:
break;
}
}
// Populate MethodHandleItems first (CallSiteIds may depend on them).
for (uint32_t i = 0; i < dex_file.NumMethodHandles(); i++) {
CreateMethodHandleItem(dex_file, i);
}
// Populate CallSiteIds.
for (uint32_t i = 0; i < dex_file.NumCallSiteIds(); i++) {
CreateCallSiteId(dex_file, i);
}
}
TypeList* BuilderMaps::CreateTypeList(const dex::TypeList* dex_type_list, uint32_t offset) {
if (dex_type_list == nullptr) {
return nullptr;
}
TypeList* type_list = type_lists_map_.GetExistingObject(offset);
if (type_list == nullptr) {
TypeIdVector* type_vector = new TypeIdVector();
uint32_t size = dex_type_list->Size();
for (uint32_t index = 0; index < size; ++index) {
type_vector->push_back(header_->TypeIds()[
dex_type_list->GetTypeItem(index).type_idx_.index_]);
}
type_list = type_lists_map_.CreateAndAddItem(header_->TypeLists(),
eagerly_assign_offsets_,
offset,
type_vector);
}
return type_list;
}
EncodedArrayItem* BuilderMaps::CreateEncodedArrayItem(const DexFile& dex_file,
const uint8_t* static_data,
uint32_t offset) {
if (static_data == nullptr) {
return nullptr;
}
EncodedArrayItem* encoded_array_item = encoded_array_items_map_.GetExistingObject(offset);
if (encoded_array_item == nullptr) {
uint32_t size = DecodeUnsignedLeb128(&static_data);
EncodedValueVector* values = new EncodedValueVector();
for (uint32_t i = 0; i < size; ++i) {
values->push_back(std::unique_ptr<EncodedValue>(ReadEncodedValue(dex_file, &static_data)));
}
// TODO: Calculate the size of the encoded array.
encoded_array_item = encoded_array_items_map_.CreateAndAddItem(header_->EncodedArrayItems(),
eagerly_assign_offsets_,
offset,
values);
}
return encoded_array_item;
}
void BuilderMaps::AddAnnotationsFromMapListSection(const DexFile& dex_file,
uint32_t start_offset,
uint32_t count) {
uint32_t current_offset = start_offset;
for (size_t i = 0; i < count; ++i) {
// Annotation that we didn't process already, add it to the set.
const dex::AnnotationItem* annotation = dex_file.GetAnnotationItemAtOffset(current_offset);
AnnotationItem* annotation_item = CreateAnnotationItem(dex_file, annotation);
DCHECK(annotation_item != nullptr);
current_offset += annotation_item->GetSize();
}
}
void BuilderMaps::AddHiddenapiClassDataFromMapListSection(const DexFile& dex_file,
uint32_t offset) {
const dex::HiddenapiClassData* hiddenapi_class_data =
dex_file.GetHiddenapiClassDataAtOffset(offset);
DCHECK(hiddenapi_class_data == dex_file.GetHiddenapiClassData());
for (auto& class_def : header_->ClassDefs()) {
uint32_t index = class_def->GetIndex();
ClassData* class_data = class_def->GetClassData();
const uint8_t* ptr = hiddenapi_class_data->GetFlagsPointer(index);
std::unique_ptr<HiddenapiFlagsMap> flags = nullptr;
if (ptr != nullptr) {
DCHECK(class_data != nullptr);
flags = std::make_unique<HiddenapiFlagsMap>();
for (const dex_ir::FieldItem& field : *class_data->StaticFields()) {
flags->emplace(&field, DecodeUnsignedLeb128(&ptr));
}
for (const dex_ir::FieldItem& field : *class_data->InstanceFields()) {
flags->emplace(&field, DecodeUnsignedLeb128(&ptr));
}
for (const dex_ir::MethodItem& method : *class_data->DirectMethods()) {
flags->emplace(&method, DecodeUnsignedLeb128(&ptr));
}
for (const dex_ir::MethodItem& method : *class_data->VirtualMethods()) {
flags->emplace(&method, DecodeUnsignedLeb128(&ptr));
}
}
CreateAndAddIndexedItem(header_->HiddenapiClassDatas(),
header_->HiddenapiClassDatas().GetOffset() +
hiddenapi_class_data->flags_offset_[index],
index,
class_def.get(),
std::move(flags));
}
}
AnnotationItem* BuilderMaps::CreateAnnotationItem(const DexFile& dex_file,
const dex::AnnotationItem* annotation) {
const uint8_t* const start_data = reinterpret_cast<const uint8_t*>(annotation);
const uint32_t offset = start_data - dex_file.DataBegin();
AnnotationItem* annotation_item = annotation_items_map_.GetExistingObject(offset);
if (annotation_item == nullptr) {
uint8_t visibility = annotation->visibility_;
const uint8_t* annotation_data = annotation->annotation_;
std::unique_ptr<EncodedValue> encoded_value(
ReadEncodedValue(dex_file, &annotation_data, DexFile::kDexAnnotationAnnotation, 0));
annotation_item =
annotation_items_map_.CreateAndAddItem(header_->AnnotationItems(),
eagerly_assign_offsets_,
offset,
visibility,
encoded_value->ReleaseEncodedAnnotation());
annotation_item->SetSize(annotation_data - start_data);
}
return annotation_item;
}
AnnotationSetItem* BuilderMaps::CreateAnnotationSetItem(const DexFile& dex_file,
const dex::AnnotationSetItem* disk_annotations_item, uint32_t offset) {
if (disk_annotations_item == nullptr || (disk_annotations_item->size_ == 0 && offset == 0)) {
return nullptr;
}
AnnotationSetItem* annotation_set_item = annotation_set_items_map_.GetExistingObject(offset);
if (annotation_set_item == nullptr) {
std::vector<AnnotationItem*>* items = new std::vector<AnnotationItem*>();
for (uint32_t i = 0; i < disk_annotations_item->size_; ++i) {
const dex::AnnotationItem* annotation =
dex_file.GetAnnotationItem(disk_annotations_item, i);
if (annotation == nullptr) {
continue;
}
AnnotationItem* annotation_item = CreateAnnotationItem(dex_file, annotation);
items->push_back(annotation_item);
}
annotation_set_item =
annotation_set_items_map_.CreateAndAddItem(header_->AnnotationSetItems(),
eagerly_assign_offsets_,
offset,
items);
}
return annotation_set_item;
}
AnnotationsDirectoryItem* BuilderMaps::CreateAnnotationsDirectoryItem(const DexFile& dex_file,
const dex::AnnotationsDirectoryItem* disk_annotations_item, uint32_t offset) {
AnnotationsDirectoryItem* annotations_directory_item =
annotations_directory_items_map_.GetExistingObject(offset);
if (annotations_directory_item != nullptr) {
return annotations_directory_item;
}
const dex::AnnotationSetItem* class_set_item =
dex_file.GetClassAnnotationSet(disk_annotations_item);
AnnotationSetItem* class_annotation = nullptr;
if (class_set_item != nullptr) {
uint32_t item_offset = disk_annotations_item->class_annotations_off_;
class_annotation = CreateAnnotationSetItem(dex_file, class_set_item, item_offset);
}
const dex::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_];
const dex::AnnotationSetItem* field_set_item =
dex_file.GetFieldAnnotationSetItem(fields[i]);
uint32_t annotation_set_offset = fields[i].annotations_off_;
AnnotationSetItem* annotation_set_item =
CreateAnnotationSetItem(dex_file, field_set_item, annotation_set_offset);
field_annotations->push_back(std::make_unique<FieldAnnotation>(
field_id, annotation_set_item));
}
}
const dex::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_];
const dex::AnnotationSetItem* method_set_item =
dex_file.GetMethodAnnotationSetItem(methods[i]);
uint32_t annotation_set_offset = methods[i].annotations_off_;
AnnotationSetItem* annotation_set_item =
CreateAnnotationSetItem(dex_file, method_set_item, annotation_set_offset);
method_annotations->push_back(std::make_unique<MethodAnnotation>(
method_id, annotation_set_item));
}
}
const dex::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_];
const dex::AnnotationSetRefList* list =
dex_file.GetParameterAnnotationSetRefList(&parameters[i]);
parameter_annotations->push_back(std::unique_ptr<ParameterAnnotation>(
GenerateParameterAnnotation(dex_file, method_id, list, parameters[i].annotations_off_)));
}
}
// TODO: Calculate the size of the annotations directory.
return annotations_directory_items_map_.CreateAndAddItem(header_->AnnotationsDirectoryItems(),
eagerly_assign_offsets_,
offset,
class_annotation,
field_annotations,
method_annotations,
parameter_annotations);
}
CodeItem* BuilderMaps::DedupeOrCreateCodeItem(const DexFile& dex_file,
const dex::CodeItem* disk_code_item,
uint32_t offset,
uint32_t dex_method_index) {
if (disk_code_item == nullptr) {
return nullptr;
}
CodeItemDebugInfoAccessor accessor(dex_file, disk_code_item, dex_method_index);
const uint32_t debug_info_offset = accessor.DebugInfoOffset();
// Create the offsets pair and dedupe based on it.
std::pair<uint32_t, uint32_t> offsets_pair(offset, debug_info_offset);
auto existing = code_items_map_.find(offsets_pair);
if (existing != code_items_map_.end()) {
return existing->second;
}
const uint8_t* debug_info_stream = dex_file.GetDebugInfoStream(debug_info_offset);
DebugInfoItem* debug_info = nullptr;
if (debug_info_stream != nullptr) {
debug_info = debug_info_items_map_.GetExistingObject(debug_info_offset);
if (debug_info == nullptr) {
uint32_t debug_info_size = GetDebugInfoStreamSize(debug_info_stream);
uint8_t* debug_info_buffer = new uint8_t[debug_info_size];
memcpy(debug_info_buffer, debug_info_stream, debug_info_size);
debug_info = debug_info_items_map_.CreateAndAddItem(header_->DebugInfoItems(),
eagerly_assign_offsets_,
debug_info_offset,
debug_info_size,
debug_info_buffer);
}
}
uint32_t insns_size = accessor.InsnsSizeInCodeUnits();
uint16_t* insns = new uint16_t[insns_size];
memcpy(insns, accessor.Insns(), insns_size * sizeof(uint16_t));
TryItemVector* tries = nullptr;
CatchHandlerVector* handler_list = nullptr;
if (accessor.TriesSize() > 0) {
tries = new TryItemVector();
handler_list = new CatchHandlerVector();
for (const dex::TryItem& disk_try_item : accessor.TryItems()) {
uint32_t start_addr = disk_try_item.start_addr_;
uint16_t insn_count = disk_try_item.insn_count_;
uint16_t handler_off = disk_try_item.handler_off_;
const CatchHandler* handlers = nullptr;
for (std::unique_ptr<const CatchHandler>& existing_handlers : *handler_list) {
if (handler_off == existing_handlers->GetListOffset()) {
handlers = existing_handlers.get();
break;
}
}
if (handlers == nullptr) {
bool catch_all = false;
TypeAddrPairVector* addr_pairs = new TypeAddrPairVector();
for (CatchHandlerIterator it(accessor, disk_try_item); it.HasNext(); it.Next()) {
const dex::TypeIndex type_index = it.GetHandlerTypeIndex();
const TypeId* type_id = header_->GetTypeIdOrNullPtr(type_index.index_);
catch_all |= type_id == nullptr;
addr_pairs->push_back(std::unique_ptr<const TypeAddrPair>(
new TypeAddrPair(type_id, it.GetHandlerAddress())));
}
handlers = new CatchHandler(catch_all, handler_off, addr_pairs);
handler_list->push_back(std::unique_ptr<const CatchHandler>(handlers));
}
TryItem* try_item = new TryItem(start_addr, insn_count, handlers);
tries->push_back(std::unique_ptr<const TryItem>(try_item));
}
// Manually walk catch handlers list and add any missing handlers unreferenced by try items.
const uint8_t* handlers_base = accessor.GetCatchHandlerData();
const uint8_t* handlers_data = handlers_base;
uint32_t handlers_size = DecodeUnsignedLeb128(&handlers_data);
while (handlers_size > handler_list->size()) {
bool already_added = false;
uint16_t handler_off = handlers_data - handlers_base;
for (std::unique_ptr<const CatchHandler>& existing_handlers : *handler_list) {
if (handler_off == existing_handlers->GetListOffset()) {
already_added = true;
break;
}
}
int32_t size = DecodeSignedLeb128(&handlers_data);
bool has_catch_all = size <= 0;
if (has_catch_all) {
size = -size;
}
if (already_added) {
for (int32_t i = 0; i < size; i++) {
DecodeUnsignedLeb128(&handlers_data);
DecodeUnsignedLeb128(&handlers_data);
}
if (has_catch_all) {
DecodeUnsignedLeb128(&handlers_data);
}
continue;
}
TypeAddrPairVector* addr_pairs = new TypeAddrPairVector();
for (int32_t i = 0; i < size; i++) {
const TypeId* type_id =
header_->GetTypeIdOrNullPtr(DecodeUnsignedLeb128(&handlers_data));
uint32_t addr = DecodeUnsignedLeb128(&handlers_data);
addr_pairs->push_back(
std::unique_ptr<const TypeAddrPair>(new TypeAddrPair(type_id, addr)));
}
if (has_catch_all) {
uint32_t addr = DecodeUnsignedLeb128(&handlers_data);
addr_pairs->push_back(
std::unique_ptr<const TypeAddrPair>(new TypeAddrPair(nullptr, addr)));
}
const CatchHandler* handler = new CatchHandler(has_catch_all, handler_off, addr_pairs);
handler_list->push_back(std::unique_ptr<const CatchHandler>(handler));
}
}
uint32_t size = dex_file.GetCodeItemSize(*disk_code_item);
CodeItem* code_item = header_->CodeItems().CreateAndAddItem(accessor.RegistersSize(),
accessor.InsSize(),
accessor.OutsSize(),
debug_info,
insns_size,
insns,
tries,
handler_list);
code_item->SetSize(size);
// Add the code item to the map.
DCHECK(!code_item->OffsetAssigned());
if (eagerly_assign_offsets_) {
code_item->SetOffset(offset);
}
code_items_map_.emplace(offsets_pair, code_item);
// Add "fixup" references to types, strings, methods, and fields.
// This is temporary, as we will probably want more detailed parsing of the
// instructions here.
std::vector<TypeId*> type_ids;
std::vector<StringId*> string_ids;
std::vector<MethodId*> method_ids;
std::vector<FieldId*> field_ids;
if (GetIdsFromByteCode(code_item,
/*out*/ &type_ids,
/*out*/ &string_ids,
/*out*/ &method_ids,
/*out*/ &field_ids)) {
CodeFixups* fixups = new CodeFixups(std::move(type_ids),
std::move(string_ids),
std::move(method_ids),
std::move(field_ids));
code_item->SetCodeFixups(fixups);
}
return code_item;
}
ClassData* BuilderMaps::CreateClassData(const DexFile& dex_file,
const dex::ClassDef& class_def) {
// 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 uint32_t offset = class_def.class_data_off_;
ClassData* class_data = class_datas_map_.GetExistingObject(offset);
if (class_data == nullptr && offset != 0u) {
ClassAccessor accessor(dex_file, class_def);
// Static fields.
FieldItemVector* static_fields = new FieldItemVector();
for (const ClassAccessor::Field& field : accessor.GetStaticFields()) {
FieldId* field_item = header_->FieldIds()[field.GetIndex()];
uint32_t access_flags = field.GetAccessFlags();
static_fields->emplace_back(access_flags, field_item);
}
FieldItemVector* instance_fields = new FieldItemVector();
for (const ClassAccessor::Field& field : accessor.GetInstanceFields()) {
FieldId* field_item = header_->FieldIds()[field.GetIndex()];
uint32_t access_flags = field.GetAccessFlags();
instance_fields->emplace_back(access_flags, field_item);
}
// Direct methods.
MethodItemVector* direct_methods = new MethodItemVector();
auto direct_methods_it = accessor.GetDirectMethods();
for (auto it = direct_methods_it.begin(); it != direct_methods_it.end(); ++it) {
direct_methods->push_back(GenerateMethodItem(dex_file, *it));
}
// Virtual methods.
MethodItemVector* virtual_methods = new MethodItemVector();
auto virtual_methods_it = accessor.GetVirtualMethods();
const uint8_t* last_data_ptr;
for (auto it = virtual_methods_it.begin(); ; ++it) {
if (it == virtual_methods_it.end()) {
last_data_ptr = it->GetDataPointer();
break;
}
virtual_methods->push_back(GenerateMethodItem(dex_file, *it));
}
class_data = class_datas_map_.CreateAndAddItem(header_->ClassDatas(),
eagerly_assign_offsets_,
offset,
static_fields,
instance_fields,
direct_methods,
virtual_methods);
class_data->SetSize(last_data_ptr - dex_file.GetClassData(class_def));
}
return class_data;
}
void BuilderMaps::SortVectorsByMapOrder() {
header_->StringDatas().SortByMapOrder(string_datas_map_.Collection());
header_->TypeLists().SortByMapOrder(type_lists_map_.Collection());
header_->EncodedArrayItems().SortByMapOrder(encoded_array_items_map_.Collection());
header_->AnnotationItems().SortByMapOrder(annotation_items_map_.Collection());
header_->AnnotationSetItems().SortByMapOrder(annotation_set_items_map_.Collection());
header_->AnnotationSetRefLists().SortByMapOrder(annotation_set_ref_lists_map_.Collection());
header_->AnnotationsDirectoryItems().SortByMapOrder(
annotations_directory_items_map_.Collection());
header_->DebugInfoItems().SortByMapOrder(debug_info_items_map_.Collection());
header_->CodeItems().SortByMapOrder(code_items_map_);
header_->ClassDatas().SortByMapOrder(class_datas_map_.Collection());
}
bool BuilderMaps::GetIdsFromByteCode(const CodeItem* code,
std::vector<TypeId*>* type_ids,
std::vector<StringId*>* string_ids,
std::vector<MethodId*>* method_ids,
std::vector<FieldId*>* field_ids) {
bool has_id = false;
IterationRange<DexInstructionIterator> instructions = code->Instructions();
SafeDexInstructionIterator it(instructions.begin(), instructions.end());
for (; !it.IsErrorState() && it < instructions.end(); ++it) {
// In case the instruction goes past the end of the code item, make sure to not process it.
SafeDexInstructionIterator next = it;
++next;
if (next.IsErrorState()) {
break;
}
has_id |= GetIdFromInstruction(&it.Inst(), type_ids, string_ids, method_ids, field_ids);
} // for
return has_id;
}
bool BuilderMaps::GetIdFromInstruction(const Instruction* dec_insn,
std::vector<TypeId*>* type_ids,
std::vector<StringId*>* string_ids,
std::vector<MethodId*>* method_ids,
std::vector<FieldId*>* field_ids) {
// Determine index and width of the string.
uint32_t index = 0;
switch (Instruction::FormatOf(dec_insn->Opcode())) {
// SOME NOT SUPPORTED:
// case Instruction::k20bc:
case Instruction::k21c:
case Instruction::k35c:
// case Instruction::k35ms:
case Instruction::k3rc:
// case Instruction::k3rms:
// case Instruction::k35mi:
// case Instruction::k3rmi:
case Instruction::k45cc:
case Instruction::k4rcc:
index = dec_insn->VRegB();
break;
case Instruction::k31c:
index = dec_insn->VRegB();
break;
case Instruction::k22c:
// case Instruction::k22cs:
index = dec_insn->VRegC();
break;
default:
break;
} // switch
// Determine index type, and add reference to the appropriate collection.
switch (Instruction::IndexTypeOf(dec_insn->Opcode())) {
case Instruction::kIndexTypeRef:
if (index < header_->TypeIds().Size()) {
type_ids->push_back(header_->TypeIds()[index]);
return true;
}
break;
case Instruction::kIndexStringRef:
if (index < header_->StringIds().Size()) {
string_ids->push_back(header_->StringIds()[index]);
return true;
}
break;
case Instruction::kIndexMethodRef:
case Instruction::kIndexMethodAndProtoRef:
if (index < header_->MethodIds().Size()) {
method_ids->push_back(header_->MethodIds()[index]);
return true;
}
break;
case Instruction::kIndexFieldRef:
if (index < header_->FieldIds().Size()) {
field_ids->push_back(header_->FieldIds()[index]);
return true;
}
break;
case Instruction::kIndexUnknown:
case Instruction::kIndexNone:
case Instruction::kIndexVtableOffset:
case Instruction::kIndexFieldOffset:
default:
break;
} // switch
return false;
}
EncodedValue* BuilderMaps::ReadEncodedValue(const DexFile& dex_file, const uint8_t** data) {
const uint8_t encoded_value = *(*data)++;
const uint8_t type = encoded_value & 0x1f;
EncodedValue* item = new EncodedValue(type);
ReadEncodedValue(dex_file, data, type, encoded_value >> 5, item);
return item;
}
EncodedValue* BuilderMaps::ReadEncodedValue(const DexFile& dex_file,
const uint8_t** data,
uint8_t type,
uint8_t length) {
EncodedValue* item = new EncodedValue(type);
ReadEncodedValue(dex_file, data, type, length, item);
return item;
}
void BuilderMaps::ReadEncodedValue(const DexFile& dex_file,
const uint8_t** data,
uint8_t type,
uint8_t length,
EncodedValue* item) {
switch (type) {
case DexFile::kDexAnnotationByte:
item->SetByte(static_cast<int8_t>(ReadVarWidth(data, length, false)));
break;
case DexFile::kDexAnnotationShort:
item->SetShort(static_cast<int16_t>(ReadVarWidth(data, length, true)));
break;
case DexFile::kDexAnnotationChar:
item->SetChar(static_cast<uint16_t>(ReadVarWidth(data, length, false)));
break;
case DexFile::kDexAnnotationInt:
item->SetInt(static_cast<int32_t>(ReadVarWidth(data, length, true)));
break;
case DexFile::kDexAnnotationLong:
item->SetLong(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->SetFloat(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->SetDouble(conv.d);
break;
}
case DexFile::kDexAnnotationMethodType: {
const uint32_t proto_index = static_cast<uint32_t>(ReadVarWidth(data, length, false));
item->SetProtoId(header_->ProtoIds()[proto_index]);
break;
}
case DexFile::kDexAnnotationMethodHandle: {
const uint32_t method_handle_index = static_cast<uint32_t>(ReadVarWidth(data, length, false));
item->SetMethodHandle(header_->MethodHandleItems()[method_handle_index]);
break;
}
case DexFile::kDexAnnotationString: {
const uint32_t string_index = static_cast<uint32_t>(ReadVarWidth(data, length, false));
item->SetStringId(header_->StringIds()[string_index]);
break;
}
case DexFile::kDexAnnotationType: {
const uint32_t string_index = static_cast<uint32_t>(ReadVarWidth(data, length, false));
item->SetTypeId(header_->TypeIds()[string_index]);
break;
}
case DexFile::kDexAnnotationField:
case DexFile::kDexAnnotationEnum: {
const uint32_t field_index = static_cast<uint32_t>(ReadVarWidth(data, length, false));
item->SetFieldId(header_->FieldIds()[field_index]);
break;
}
case DexFile::kDexAnnotationMethod: {
const uint32_t method_index = static_cast<uint32_t>(ReadVarWidth(data, length, false));
item->SetMethodId(header_->MethodIds()[method_index]);
break;
}
case DexFile::kDexAnnotationArray: {
EncodedValueVector* values = new EncodedValueVector();
const uint32_t offset = *data - dex_file.DataBegin();
const uint32_t size = DecodeUnsignedLeb128(data);
// Decode all elements.
for (uint32_t i = 0; i < size; i++) {
values->push_back(std::unique_ptr<EncodedValue>(ReadEncodedValue(dex_file, data)));
}
EncodedArrayItem* array_item = new EncodedArrayItem(values);
if (eagerly_assign_offsets_) {
array_item->SetOffset(offset);
}
item->SetEncodedArray(array_item);
break;
}
case DexFile::kDexAnnotationAnnotation: {
AnnotationElementVector* elements = new AnnotationElementVector();
const uint32_t type_idx = DecodeUnsignedLeb128(data);
const uint32_t size = DecodeUnsignedLeb128(data);
// Decode all name=value pairs.
for (uint32_t i = 0; i < size; i++) {
const uint32_t name_index = DecodeUnsignedLeb128(data);
elements->push_back(std::make_unique<AnnotationElement>(
header_->StringIds()[name_index],
ReadEncodedValue(dex_file, data)));
}
item->SetEncodedAnnotation(new EncodedAnnotation(header_->TypeIds()[type_idx], elements));
break;
}
case DexFile::kDexAnnotationNull:
break;
case DexFile::kDexAnnotationBoolean:
item->SetBoolean(length != 0);
break;
default:
break;
}
}
MethodItem BuilderMaps::GenerateMethodItem(const DexFile& dex_file,
const ClassAccessor::Method& method) {
MethodId* method_id = header_->MethodIds()[method.GetIndex()];
uint32_t access_flags = method.GetAccessFlags();
const dex::CodeItem* disk_code_item = method.GetCodeItem();
// Temporary hack to prevent incorrectly deduping code items if they have the same offset since
// they may have different debug info streams.
CodeItem* code_item = DedupeOrCreateCodeItem(dex_file,
disk_code_item,
method.GetCodeItemOffset(),
method.GetIndex());
return MethodItem(access_flags, method_id, code_item);
}
ParameterAnnotation* BuilderMaps::GenerateParameterAnnotation(
const DexFile& dex_file,
MethodId* method_id,
const dex::AnnotationSetRefList* annotation_set_ref_list,
uint32_t offset) {
AnnotationSetRefList* set_ref_list = annotation_set_ref_lists_map_.GetExistingObject(offset);
if (set_ref_list == nullptr) {
std::vector<AnnotationSetItem*>* annotations = new std::vector<AnnotationSetItem*>();
for (uint32_t i = 0; i < annotation_set_ref_list->size_; ++i) {
const dex::AnnotationSetItem* annotation_set_item =
dex_file.GetSetRefItemItem(&annotation_set_ref_list->list_[i]);
uint32_t set_offset = annotation_set_ref_list->list_[i].annotations_off_;
annotations->push_back(CreateAnnotationSetItem(dex_file, annotation_set_item, set_offset));
}
set_ref_list =
annotation_set_ref_lists_map_.CreateAndAddItem(header_->AnnotationSetRefLists(),
eagerly_assign_offsets_,
offset,
annotations);
}
return new ParameterAnnotation(method_id, set_ref_list);
}
} // namespace dex_ir
} // namespace art