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83 lines
2.7 KiB
83 lines
2.7 KiB
/* |
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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_H_ |
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#define ART_COMPILER_ELF_WRITER_H_ |
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#include <stdint.h> |
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#include <cstddef> |
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#include <string> |
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#include <vector> |
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#include "base/array_ref.h" |
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#include "base/macros.h" |
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#include "base/mutex.h" |
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#include "os.h" |
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namespace art { |
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class ElfFile; |
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class OutputStream; |
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namespace debug { |
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struct MethodDebugInfo; |
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} // namespace debug |
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class ElfWriter { |
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public: |
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// Looks up information about location of oat file in elf file container. |
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// Used for ImageWriter to perform memory layout. |
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static void GetOatElfInformation(File* file, |
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size_t* oat_loaded_size, |
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size_t* oat_data_offset); |
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// Returns runtime oat_data runtime address for an opened ElfFile. |
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static uintptr_t GetOatDataAddress(ElfFile* elf_file); |
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static bool Fixup(File* file, uintptr_t oat_data_begin); |
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virtual ~ElfWriter() {} |
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virtual void Start() = 0; |
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virtual void PrepareDynamicSection(size_t rodata_size, |
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size_t text_size, |
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size_t bss_size, |
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size_t bss_methods_offset, |
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size_t bss_roots_offset) = 0; |
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virtual void PrepareDebugInfo(const ArrayRef<const debug::MethodDebugInfo>& method_infos) = 0; |
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virtual OutputStream* StartRoData() = 0; |
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virtual void EndRoData(OutputStream* rodata) = 0; |
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virtual OutputStream* StartText() = 0; |
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virtual void EndText(OutputStream* text) = 0; |
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virtual void WriteDynamicSection() = 0; |
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virtual void WriteDebugInfo(const ArrayRef<const debug::MethodDebugInfo>& method_infos) = 0; |
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virtual bool End() = 0; |
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// Get the ELF writer's stream. This stream can be used for writing data directly |
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// to a section after the section has been finished. When that's done, the user |
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// should Seek() back to the position where the stream was before this operation. |
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virtual OutputStream* GetStream() = 0; |
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// Get the size that the loaded ELF file will occupy in memory. |
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virtual size_t GetLoadedSize() = 0; |
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protected: |
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ElfWriter() = default; |
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}; |
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} // namespace art |
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#endif // ART_COMPILER_ELF_WRITER_H_
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