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