| //===- XCOFFObjectFile.h - XCOFF object file implementation -----*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file declares the XCOFFObjectFile class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_OBJECT_XCOFFOBJECTFILE_H |
| #define LLVM_OBJECT_XCOFFOBJECTFILE_H |
| |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/ADT/iterator_range.h" |
| #include "llvm/BinaryFormat/Magic.h" |
| #include "llvm/MC/SubtargetFeature.h" |
| #include "llvm/Object/Binary.h" |
| #include "llvm/Object/Error.h" |
| #include "llvm/Object/ObjectFile.h" |
| #include "llvm/Object/SymbolicFile.h" |
| #include "llvm/Support/Casting.h" |
| #include "llvm/Support/Error.h" |
| #include "llvm/Support/FileSystem.h" |
| #include "llvm/Support/MemoryBuffer.h" |
| #include <cassert> |
| #include <cstdint> |
| #include <memory> |
| #include <system_error> |
| |
| namespace llvm { |
| namespace object { |
| |
| struct XCOFFFileHeader { |
| support::ubig16_t Magic; |
| support::ubig16_t NumberOfSections; |
| |
| // Unix time value, value of 0 indicates no timestamp. |
| // Negative values are reserved. |
| support::big32_t TimeStamp; |
| |
| support::ubig32_t SymbolTableOffset; // File offset to symbol table. |
| support::big32_t NumberOfSymTableEntries; |
| support::ubig16_t AuxHeaderSize; |
| support::ubig16_t Flags; |
| }; |
| |
| class XCOFFObjectFile : public ObjectFile { |
| private: |
| const XCOFFFileHeader *FileHdrPtr = nullptr; |
| |
| public: |
| void moveSymbolNext(DataRefImpl &Symb) const override; |
| uint32_t getSymbolFlags(DataRefImpl Symb) const override; |
| basic_symbol_iterator symbol_begin() const override; |
| basic_symbol_iterator symbol_end() const override; |
| |
| Expected<StringRef> getSymbolName(DataRefImpl Symb) const override; |
| Expected<uint64_t> getSymbolAddress(DataRefImpl Symb) const override; |
| uint64_t getSymbolValueImpl(DataRefImpl Symb) const override; |
| uint64_t getCommonSymbolSizeImpl(DataRefImpl Symb) const override; |
| Expected<SymbolRef::Type> getSymbolType(DataRefImpl Symb) const override; |
| Expected<section_iterator> getSymbolSection(DataRefImpl Symb) const override; |
| |
| void moveSectionNext(DataRefImpl &Sec) const override; |
| std::error_code getSectionName(DataRefImpl Sec, |
| StringRef &Res) const override; |
| uint64_t getSectionAddress(DataRefImpl Sec) const override; |
| uint64_t getSectionIndex(DataRefImpl Sec) const override; |
| uint64_t getSectionSize(DataRefImpl Sec) const override; |
| std::error_code getSectionContents(DataRefImpl Sec, |
| StringRef &Res) const override; |
| uint64_t getSectionAlignment(DataRefImpl Sec) const override; |
| bool isSectionCompressed(DataRefImpl Sec) const override; |
| bool isSectionText(DataRefImpl Sec) const override; |
| bool isSectionData(DataRefImpl Sec) const override; |
| bool isSectionBSS(DataRefImpl Sec) const override; |
| |
| bool isSectionVirtual(DataRefImpl Sec) const override; |
| relocation_iterator section_rel_begin(DataRefImpl Sec) const override; |
| relocation_iterator section_rel_end(DataRefImpl Sec) const override; |
| |
| void moveRelocationNext(DataRefImpl &Rel) const override; |
| uint64_t getRelocationOffset(DataRefImpl Rel) const override; |
| symbol_iterator getRelocationSymbol(DataRefImpl Rel) const override; |
| uint64_t getRelocationType(DataRefImpl Rel) const override; |
| void getRelocationTypeName(DataRefImpl Rel, |
| SmallVectorImpl<char> &Result) const override; |
| |
| section_iterator section_begin() const override; |
| section_iterator section_end() const override; |
| uint8_t getBytesInAddress() const override; |
| StringRef getFileFormatName() const override; |
| Triple::ArchType getArch() const override; |
| SubtargetFeatures getFeatures() const override; |
| bool isRelocatableObject() const override; |
| |
| public: |
| XCOFFObjectFile(MemoryBufferRef Object, std::error_code &EC); |
| |
| const XCOFFFileHeader *getFileHeader() const { return FileHdrPtr; } |
| |
| }; // XCOFFObjectFile |
| |
| } // namespace object |
| } // namespace llvm |
| |
| #endif // LLVM_OBJECT_XCOFFOBJECTFILE_H |