public static uint GetEntrySize(LinkerFormatType elfType)
{
if (elfType == LinkerFormatType.Elf32)
return EntrySize32;
else // if (elfType == ElfType.Elf64)
return EntrySize64;
}
/// <summary>
/// Writes the program header
/// </summary>
/// <param name="elfType">Type of the elf.</param>
/// <param name="writer">The writer.</param>
public void Write(LinkerFormatType elfType, BinaryWriter writer)
{
if (elfType == LinkerFormatType.Elf32)
Write32(writer);
else // if (elfType == ElfType.Elf64)
Write64(writer);
}
public ElfLinker(BaseLinker linker, LinkerFormatType linkerFormatType)
{
this.linker = linker;
this.linkerFormatType = linkerFormatType;
sectionHeaderStringTable.Add((byte)'\0');
stringTable.Add((byte)'\0');
BaseFileOffset = 0x1000; // required by ELF
SectionAlignment = 0x1000; // default 1K
}
public static int GetEntrySize(LinkerFormatType elfType)
{
if (elfType == LinkerFormatType.Elf32)
{
return(EntrySize32);
}
else // if (elfType == ElfType.Elf64)
{
return(EntrySize64);
}
}
/// <summary>
/// Writes the program header
/// </summary>
/// <param name="elfType">Type of the elf.</param>
/// <param name="writer">The writer.</param>
public void Write(LinkerFormatType elfType, BinaryWriter writer)
{
if (elfType == LinkerFormatType.Elf32)
{
Write32(writer);
}
else if (elfType == LinkerFormatType.Elf64)
{
Write64(writer);
}
}
/// <summary>
/// Writes the elf header
/// </summary>
/// <param name="elfType">Type of the elf.</param>
/// <param name="writer">The writer.</param>
public void Write(LinkerFormatType elfType, EndianAwareBinaryWriter writer)
{
if (elfType == LinkerFormatType.Elf32)
{
Write32(writer);
}
else // if (elfType == ElfType.Elf64)
{
Write64(writer);
}
}
public ElfLinker(MosaLinker linker, LinkerFormatType linkerFormatType, MachineType machineType)
{
Linker = linker;
LinkerFormatType = linkerFormatType;
MachineType = machineType;
sectionHeaderStringTable.Add((byte)'\0');
stringTable.Add((byte)'\0');
BaseFileOffset = 0x1000; // required by ELF
SectionAlignment = 0x1000; // default 1K
// Cache for faster performance
EmitShortSymbolName = linker.LinkerSettings.ShortSymbolNames;
}
public void WriteSectionHeader(LinkerFormatType elfType, BinaryWriter writer)
{
var header = new SectionHeaderEntry();
header.Name = NameIndex;
header.Address = Address;
header.Offset = Offset;
header.Size = Size;
header.EntrySize = EntrySize;
header.AddressAlignment = AddressAlignment;
header.Type = Type;
header.Flags = Flags;
header.Link = Link == null ? 0 : Link.Index;
header.Info = Info == null ? 0 : Info.Index;
header.Write(elfType, writer);
}
public void WriteSectionHeader(LinkerFormatType elfType, BinaryWriter writer)
{
var header = new SectionHeaderEntry()
{
Name = NameIndex,
Address = Address,
Offset = Offset,
Size = Size,
EntrySize = EntrySize,
AddressAlignment = AddressAlignment,
Type = Type,
Flags = Flags,
Link = Link?.Index ?? 0,
Info = Info?.Index ?? 0
};
header.Write(elfType, writer);
}
public BaseLinker(ulong baseAddress, Endianness endianness, MachineType machineType, bool emitSymbols, LinkerFormatType linkerFormatType)
{
LinkerSections = new LinkerSection[4];
BaseAddress = baseAddress;
Endianness = endianness;
MachineType = machineType;
EmitSymbols = emitSymbols;
elfLinker = new ElfLinker(this, LinkerFormatType);
BaseFileOffset = elfLinker.BaseFileOffset;
SectionAlignment = elfLinker.SectionAlignment;
AddSection(new LinkerSection(SectionKind.Text, SectionAlignment));
AddSection(new LinkerSection(SectionKind.Data, SectionAlignment));
AddSection(new LinkerSection(SectionKind.ROData, SectionAlignment));
AddSection(new LinkerSection(SectionKind.BSS, SectionAlignment));
}
public BaseLinker(ulong baseAddress, Endianness endianness, MachineType machineType, bool emitSymbols, LinkerFormatType linkerFormatType)
{
LinkerSections = new LinkerSection[4];
BaseAddress = baseAddress;
Endianness = endianness;
MachineType = machineType;
EmitSymbols = emitSymbols;
LinkerFormatType = linkerFormatType;
elfLinker = new ElfLinker(this, LinkerFormatType);
BaseFileOffset = elfLinker.BaseFileOffset;
SectionAlignment = elfLinker.SectionAlignment;
AddSection(new LinkerSection(SectionKind.Text, SectionAlignment));
AddSection(new LinkerSection(SectionKind.Data, SectionAlignment));
AddSection(new LinkerSection(SectionKind.ROData, SectionAlignment));
AddSection(new LinkerSection(SectionKind.BSS, SectionAlignment));
}
public MosaLinker(ulong baseAddress, MachineType machineType, bool emitAllSymbols, bool emitStaticRelocations, LinkerFormatType linkerFormatType, CreateExtraSectionsDelegate createExtraSections, CreateExtraProgramHeaderDelegate createExtraProgramHeaders)
{
BaseAddress = baseAddress;
MachineType = machineType;
EmitAllSymbols = emitAllSymbols;
EmitStaticRelocations = emitStaticRelocations;
LinkerFormatType = linkerFormatType;
CreateExtraSections = createExtraSections;
CreateExtraProgramHeaders = createExtraProgramHeaders;
elfLinker = new ElfLinker(this, LinkerFormatType);
BaseFileOffset = elfLinker.BaseFileOffset;
SectionAlignment = elfLinker.SectionAlignment;
AddSection(new LinkerSection(SectionKind.Text, SectionAlignment));
AddSection(new LinkerSection(SectionKind.Data, SectionAlignment));
AddSection(new LinkerSection(SectionKind.ROData, SectionAlignment));
AddSection(new LinkerSection(SectionKind.BSS, SectionAlignment));
}
public void WriteSectionHeader(LinkerFormatType elfType, BinaryWriter writer)
{
var header = new SectionHeaderEntry();
header.Name = NameIndex;
header.Address = Address;
header.Offset = Offset;
header.Size = Size;
header.EntrySize = EntrySize;
header.AddressAlignment = AddressAlignment;
header.Type = Type;
header.Flags = Flags;
header.Link = Link == null ? 0 : Link.Index;
header.Info = Info == null ? 0 : Info.Index;
header.Write(elfType, writer);
}
