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/*
* 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 <memory>
#include "elf_writer.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 FINAL : 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:
bool Write(OatWriter* oat_writer,
const std::vector<const DexFile*>& dex_files,
const std::string& android_root,
bool is_host)
OVERRIDE
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
private:
ElfWriterMclinker(const CompilerDriver& driver, File* elf_file);
~ElfWriterMclinker();
void Init();
mcld::LDSection* AddOatInput(OatWriter* oat_writer, 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);
void FixupOatMethodOffsets(const std::vector<const DexFile*>& dex_files)
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
uint32_t FixupCompiledCodeOffset(ElfFile& elf_file,
uint32_t oatdata_address,
const CompiledCode& compiled_code);
// Setup by Init()
std::unique_ptr<mcld::LinkerConfig> linker_config_;
std::unique_ptr<mcld::LinkerScript> linker_script_;
std::unique_ptr<mcld::Module> module_;
std::unique_ptr<mcld::IRBuilder> ir_builder_;
std::unique_ptr<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_