| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| #ifndef ART_COMPILER_ELF_WRITER_MCLINKER_H_ |
| #define ART_COMPILER_ELF_WRITER_MCLINKER_H_ |
| |
| #include "elf_writer.h" |
| |
| #include "UniquePtr.h" |
| #include "safe_map.h" |
| |
| namespace mcld { |
| class IRBuilder; |
| class Input; |
| class LDSection; |
| class LDSymbol; |
| class Linker; |
| class LinkerConfig; |
| class LinkerScript; |
| class Module; |
| } // namespace mcld |
| |
| namespace art { |
| |
| class CompiledCode; |
| |
| class ElfWriterMclinker : public ElfWriter { |
| public: |
| // Write an ELF file. Returns true on success, false on failure. |
| static bool Create(File* file, |
| OatWriter& oat_writer, |
| const std::vector<const DexFile*>& dex_files, |
| const std::string& android_root, |
| bool is_host, |
| const CompilerDriver& driver) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| protected: |
| virtual bool Write(OatWriter& oat_writer, |
| const std::vector<const DexFile*>& dex_files, |
| const std::string& android_root, |
| bool is_host) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| |
| private: |
| ElfWriterMclinker(const CompilerDriver& driver, File* elf_file); |
| ~ElfWriterMclinker(); |
| |
| void Init(); |
| void AddOatInput(std::vector<uint8_t>& oat_contents); |
| void AddMethodInputs(const std::vector<const DexFile*>& dex_files); |
| void AddCompiledCodeInput(const CompiledCode& compiled_code); |
| void AddRuntimeInputs(const std::string& android_root, bool is_host); |
| bool Link(); |
| #if defined(ART_USE_PORTABLE_COMPILER) |
| void FixupOatMethodOffsets(const std::vector<const DexFile*>& dex_files) |
| SHARED_LOCKS_REQUIRED(Locks::mutator_lock_); |
| uint32_t FixupCompiledCodeOffset(ElfFile& elf_file, |
| ::llvm::ELF::Elf32_Addr oatdata_address, |
| const CompiledCode& compiled_code); |
| #endif |
| |
| // Setup by Init() |
| UniquePtr<mcld::LinkerConfig> linker_config_; |
| UniquePtr<mcld::LinkerScript> linker_script_; |
| UniquePtr<mcld::Module> module_; |
| UniquePtr<mcld::IRBuilder> ir_builder_; |
| UniquePtr<mcld::Linker> linker_; |
| |
| // Setup by AddOatInput() |
| // TODO: ownership of oat_input_? |
| mcld::Input* oat_input_; |
| |
| // Setup by AddCompiledCodeInput |
| // set of symbols for already added mcld::Inputs |
| SafeMap<const std::string*, const std::string*> added_symbols_; |
| |
| // Setup by FixupCompiledCodeOffset |
| // map of symbol names to oatdata offset |
| SafeMap<const std::string*, uint32_t> symbol_to_compiled_code_offset_; |
| |
| DISALLOW_IMPLICIT_CONSTRUCTORS(ElfWriterMclinker); |
| }; |
| |
| } // namespace art |
| |
| #endif // ART_COMPILER_ELF_WRITER_MCLINKER_H_ |