143 lines
4.8 KiB
C++
143 lines
4.8 KiB
C++
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Header file of the dexlayout utility.
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*
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* This is a tool to read dex files into an internal representation,
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* reorganize the representation, and emit dex files with a better
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* file layout.
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*/
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#ifndef ART_DEXLAYOUT_DEXLAYOUT_H_
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#define ART_DEXLAYOUT_DEXLAYOUT_H_
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#include <stdint.h>
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#include <stdio.h>
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#include "dex_file_layout.h"
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#include "dex_ir.h"
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#include "mem_map.h"
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namespace art {
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class DexFile;
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class Instruction;
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class ProfileCompilationInfo;
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/* Supported output formats. */
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enum OutputFormat {
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kOutputPlain = 0, // default
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kOutputXml, // XML-style
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};
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/* Command-line options. */
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class Options {
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public:
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Options() = default;
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bool dump_ = false;
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bool build_dex_ir_ = false;
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bool checksum_only_ = false;
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bool disassemble_ = false;
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bool exports_only_ = false;
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bool ignore_bad_checksum_ = false;
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bool output_to_memmap_ = false;
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bool show_annotations_ = false;
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bool show_file_headers_ = false;
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bool show_section_headers_ = false;
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bool show_section_statistics_ = false;
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bool verbose_ = false;
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bool verify_output_ = false;
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bool visualize_pattern_ = false;
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OutputFormat output_format_ = kOutputPlain;
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const char* output_dex_directory_ = nullptr;
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const char* output_file_name_ = nullptr;
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const char* profile_file_name_ = nullptr;
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};
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class DexLayout {
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public:
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DexLayout(Options& options,
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ProfileCompilationInfo* info,
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FILE* out_file,
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dex_ir::Header*
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header = nullptr)
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: options_(options), info_(info), out_file_(out_file), header_(header) { }
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int ProcessFile(const char* file_name);
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void ProcessDexFile(const char* file_name, const DexFile* dex_file, size_t dex_file_index);
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dex_ir::Header* GetHeader() const { return header_; }
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void SetHeader(dex_ir::Header* header) { header_ = header; }
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MemMap* GetAndReleaseMemMap() { return mem_map_.release(); }
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const DexLayoutSections& GetSections() const {
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return dex_sections_;
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}
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private:
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void DumpAnnotationSetItem(dex_ir::AnnotationSetItem* set_item);
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void DumpBytecodes(uint32_t idx, const dex_ir::CodeItem* code, uint32_t code_offset);
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void DumpCatches(const dex_ir::CodeItem* code);
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void DumpClass(int idx, char** last_package);
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void DumpClassAnnotations(int idx);
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void DumpClassDef(int idx);
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void DumpCode(uint32_t idx, const dex_ir::CodeItem* code, uint32_t code_offset);
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void DumpEncodedAnnotation(dex_ir::EncodedAnnotation* annotation);
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void DumpEncodedValue(const dex_ir::EncodedValue* data);
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void DumpFileHeader();
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void DumpIField(uint32_t idx, uint32_t flags, int i);
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void DumpInstruction(const dex_ir::CodeItem* code,
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uint32_t code_offset,
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uint32_t insn_idx,
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uint32_t insn_width,
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const Instruction* dec_insn);
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void DumpInterface(const dex_ir::TypeId* type_item, int i);
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void DumpLocalInfo(const dex_ir::CodeItem* code);
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void DumpMethod(uint32_t idx, uint32_t flags, const dex_ir::CodeItem* code, int i);
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void DumpPositionInfo(const dex_ir::CodeItem* code);
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void DumpSField(uint32_t idx, uint32_t flags, int i, dex_ir::EncodedValue* init);
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void DumpDexFile();
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std::vector<dex_ir::ClassData*> LayoutClassDefsAndClassData(const DexFile* dex_file);
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int32_t LayoutCodeItems(const DexFile* dex_file,
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std::vector<dex_ir::ClassData*> new_class_data_order);
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void LayoutStringData(const DexFile* dex_file);
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bool IsNextSectionCodeItemAligned(uint32_t offset);
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template<class T> void FixupSection(std::map<uint32_t, std::unique_ptr<T>>& map, uint32_t diff);
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void FixupSections(uint32_t offset, uint32_t diff);
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// Creates a new layout for the dex file based on profile info.
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// Currently reorders ClassDefs, ClassDataItems, and CodeItems.
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void LayoutOutputFile(const DexFile* dex_file);
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void OutputDexFile(const DexFile* dex_file);
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void DumpCFG(const DexFile* dex_file, int idx);
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void DumpCFG(const DexFile* dex_file, uint32_t dex_method_idx, const DexFile::CodeItem* code);
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Options& options_;
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ProfileCompilationInfo* info_;
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FILE* out_file_;
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dex_ir::Header* header_;
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std::unique_ptr<MemMap> mem_map_;
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DexLayoutSections dex_sections_;
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DISALLOW_COPY_AND_ASSIGN(DexLayout);
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};
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} // namespace art
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#endif // ART_DEXLAYOUT_DEXLAYOUT_H_
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