forked from OSchip/llvm-project
111 lines
3.6 KiB
C++
111 lines
3.6 KiB
C++
//===- Object.h -------------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_OBJCOPY_COFF_OBJECT_H
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#define LLVM_TOOLS_OBJCOPY_COFF_OBJECT_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/BinaryFormat/COFF.h"
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#include "llvm/Object/COFF.h"
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#include <cstddef>
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#include <cstdint>
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#include <vector>
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namespace llvm {
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namespace objcopy {
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namespace coff {
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struct Section {
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object::coff_section Header;
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ArrayRef<uint8_t> Contents;
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std::vector<object::coff_relocation> Relocs;
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StringRef Name;
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};
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struct Symbol {
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object::coff_symbol32 Sym;
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StringRef Name;
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ArrayRef<uint8_t> AuxData;
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};
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struct Object {
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bool IsPE = false;
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object::dos_header DosHeader;
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ArrayRef<uint8_t> DosStub;
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object::coff_file_header CoffFileHeader;
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bool Is64 = false;
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object::pe32plus_header PeHeader;
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uint32_t BaseOfData = 0; // pe32plus_header lacks this field.
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std::vector<object::data_directory> DataDirectories;
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std::vector<Section> Sections;
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std::vector<Symbol> Symbols;
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};
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// Copy between coff_symbol16 and coff_symbol32.
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// The source and destination files can use either coff_symbol16 or
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// coff_symbol32, while we always store them as coff_symbol32 in the
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// intermediate data structure.
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template <class Symbol1Ty, class Symbol2Ty>
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void copySymbol(Symbol1Ty &Dest, const Symbol2Ty &Src) {
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static_assert(sizeof(Dest.Name.ShortName) == sizeof(Src.Name.ShortName),
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"Mismatched name sizes");
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memcpy(Dest.Name.ShortName, Src.Name.ShortName, sizeof(Dest.Name.ShortName));
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Dest.Value = Src.Value;
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Dest.SectionNumber = Src.SectionNumber;
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Dest.Type = Src.Type;
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Dest.StorageClass = Src.StorageClass;
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Dest.NumberOfAuxSymbols = Src.NumberOfAuxSymbols;
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}
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// Copy between pe32_header and pe32plus_header.
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// We store the intermediate state in a pe32plus_header.
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template <class PeHeader1Ty, class PeHeader2Ty>
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void copyPeHeader(PeHeader1Ty &Dest, const PeHeader2Ty &Src) {
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Dest.Magic = Src.Magic;
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Dest.MajorLinkerVersion = Src.MajorLinkerVersion;
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Dest.MinorLinkerVersion = Src.MinorLinkerVersion;
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Dest.SizeOfCode = Src.SizeOfCode;
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Dest.SizeOfInitializedData = Src.SizeOfInitializedData;
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Dest.SizeOfUninitializedData = Src.SizeOfUninitializedData;
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Dest.AddressOfEntryPoint = Src.AddressOfEntryPoint;
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Dest.BaseOfCode = Src.BaseOfCode;
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Dest.ImageBase = Src.ImageBase;
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Dest.SectionAlignment = Src.SectionAlignment;
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Dest.FileAlignment = Src.FileAlignment;
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Dest.MajorOperatingSystemVersion = Src.MajorOperatingSystemVersion;
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Dest.MinorOperatingSystemVersion = Src.MinorOperatingSystemVersion;
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Dest.MajorImageVersion = Src.MajorImageVersion;
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Dest.MinorImageVersion = Src.MinorImageVersion;
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Dest.MajorSubsystemVersion = Src.MajorSubsystemVersion;
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Dest.MinorSubsystemVersion = Src.MinorSubsystemVersion;
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Dest.Win32VersionValue = Src.Win32VersionValue;
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Dest.SizeOfImage = Src.SizeOfImage;
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Dest.SizeOfHeaders = Src.SizeOfHeaders;
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Dest.CheckSum = Src.CheckSum;
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Dest.Subsystem = Src.Subsystem;
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Dest.DLLCharacteristics = Src.DLLCharacteristics;
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Dest.SizeOfStackReserve = Src.SizeOfStackReserve;
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Dest.SizeOfStackCommit = Src.SizeOfStackCommit;
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Dest.SizeOfHeapReserve = Src.SizeOfHeapReserve;
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Dest.SizeOfHeapCommit = Src.SizeOfHeapCommit;
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Dest.LoaderFlags = Src.LoaderFlags;
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Dest.NumberOfRvaAndSize = Src.NumberOfRvaAndSize;
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}
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} // end namespace coff
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} // end namespace objcopy
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} // end namespace llvm
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#endif // LLVM_TOOLS_OBJCOPY_COFF_OBJECT_H
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