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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 the dexlayout utility.
*
* This is a tool to read dex files into an internal representation,
* reorganize the representation, and emit dex files with a better
* file layout.
*/
#ifndef ART_DEXLAYOUT_DEXLAYOUT_H_
#define ART_DEXLAYOUT_DEXLAYOUT_H_
#include <stdint.h>
#include <stdio.h>
#include "dex_file_layout.h"
#include "dex_ir.h"
#include "mem_map.h"
namespace art {
class DexFile;
class Instruction;
class ProfileCompilationInfo;
/* Supported output formats. */
enum OutputFormat {
kOutputPlain = 0, // default
kOutputXml, // XML-style
};
/* Command-line options. */
class Options {
public:
Options() = default;
bool dump_ = false;
bool build_dex_ir_ = false;
bool checksum_only_ = false;
bool disassemble_ = false;
bool exports_only_ = false;
bool ignore_bad_checksum_ = false;
bool output_to_memmap_ = false;
bool show_annotations_ = false;
bool show_file_headers_ = false;
bool show_section_headers_ = false;
bool show_section_statistics_ = false;
bool verbose_ = false;
// TODO: Set verify_output_ back to false by default. Was set to true for debugging b/62840842.
bool verify_output_ = true;
bool visualize_pattern_ = false;
OutputFormat output_format_ = kOutputPlain;
const char* output_dex_directory_ = nullptr;
const char* output_file_name_ = nullptr;
const char* profile_file_name_ = nullptr;
};
class DexLayout {
public:
DexLayout(Options& options,
ProfileCompilationInfo* info,
FILE* out_file,
dex_ir::Header*
header = nullptr)
: options_(options), info_(info), out_file_(out_file), header_(header) { }
int ProcessFile(const char* file_name);
void ProcessDexFile(const char* file_name, const DexFile* dex_file, size_t dex_file_index);
dex_ir::Header* GetHeader() const { return header_; }
void SetHeader(dex_ir::Header* header) { header_ = header; }
MemMap* GetAndReleaseMemMap() { return mem_map_.release(); }
const DexLayoutSections& GetSections() const {
return dex_sections_;
}
private:
void DumpAnnotationSetItem(dex_ir::AnnotationSetItem* set_item);
void DumpBytecodes(uint32_t idx, const dex_ir::CodeItem* code, uint32_t code_offset);
void DumpCatches(const dex_ir::CodeItem* code);
void DumpClass(int idx, char** last_package);
void DumpClassAnnotations(int idx);
void DumpClassDef(int idx);
void DumpCode(uint32_t idx, const dex_ir::CodeItem* code, uint32_t code_offset);
void DumpEncodedAnnotation(dex_ir::EncodedAnnotation* annotation);
void DumpEncodedValue(const dex_ir::EncodedValue* data);
void DumpFileHeader();
void DumpIField(uint32_t idx, uint32_t flags, int i);
void DumpInstruction(const dex_ir::CodeItem* code,
uint32_t code_offset,
uint32_t insn_idx,
uint32_t insn_width,
const Instruction* dec_insn);
void DumpInterface(const dex_ir::TypeId* type_item, int i);
void DumpLocalInfo(const dex_ir::CodeItem* code);
void DumpMethod(uint32_t idx, uint32_t flags, const dex_ir::CodeItem* code, int i);
void DumpPositionInfo(const dex_ir::CodeItem* code);
void DumpSField(uint32_t idx, uint32_t flags, int i, dex_ir::EncodedValue* init);
void DumpDexFile();
std::vector<dex_ir::ClassData*> LayoutClassDefsAndClassData(const DexFile* dex_file);
int32_t LayoutCodeItems(const DexFile* dex_file,
std::vector<dex_ir::ClassData*> new_class_data_order);
void LayoutStringData(const DexFile* dex_file);
bool IsNextSectionCodeItemAligned(uint32_t offset);
template<class T> void FixupSection(std::map<uint32_t, std::unique_ptr<T>>& map, uint32_t diff);
void FixupSections(uint32_t offset, uint32_t diff);
// Creates a new layout for the dex file based on profile info.
// Currently reorders ClassDefs, ClassDataItems, and CodeItems.
void LayoutOutputFile(const DexFile* dex_file);
void OutputDexFile(const DexFile* dex_file);
void DumpCFG(const DexFile* dex_file, int idx);
void DumpCFG(const DexFile* dex_file, uint32_t dex_method_idx, const DexFile::CodeItem* code);
Options& options_;
ProfileCompilationInfo* info_;
FILE* out_file_;
dex_ir::Header* header_;
std::unique_ptr<MemMap> mem_map_;
DexLayoutSections dex_sections_;
DISALLOW_COPY_AND_ASSIGN(DexLayout);
};
} // namespace art
#endif // ART_DEXLAYOUT_DEXLAYOUT_H_
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