private void WriteProgramHeaders()
{
elfheader.ProgramHeaderOffset = ElfHeader.GetEntrySize(linkerFormatType);
writer.Position = elfheader.ProgramHeaderOffset;
elfheader.ProgramHeaderNumber = 0;
foreach (var section in linker.LinkerSections)
{
if (section.Size == 0 && section.SectionKind != SectionKind.BSS)
{
continue;
}
var programHeader = new ProgramHeader
{
Alignment = section.SectionAlignment,
FileSize = section.AlignedSize,
MemorySize = section.AlignedSize,
Offset = section.FileOffset,
VirtualAddress = section.VirtualAddress,
PhysicalAddress = section.VirtualAddress,
Type = ProgramHeaderType.Load,
Flags =
(section.SectionKind == SectionKind.Text) ? ProgramHeaderFlags.Read | ProgramHeaderFlags.Execute :
(section.SectionKind == SectionKind.ROData) ? ProgramHeaderFlags.Read : ProgramHeaderFlags.Read | ProgramHeaderFlags.Write
};
programHeader.Write(linkerFormatType, writer);
elfheader.ProgramHeaderNumber++;
}
}
private void WriteSectionHeaders()
{
elfheader.SectionHeaderOffset = elfheader.ProgramHeaderOffset + (ProgramHeader.GetEntrySize(linkerFormatType) * elfheader.ProgramHeaderNumber);
writer.SetPosition(elfheader.SectionHeaderOffset);
foreach (var section in sections)
{
section.WriteSectionHeader(linkerFormatType, writer);
}
}
private void WriteProgramHeader(BinaryWriter writer)
{
elfheader.ProgramHeaderOffset = ElfHeader.GetEntrySize(LinkerFormatType);
writer.SetPosition(elfheader.ProgramHeaderOffset);
elfheader.ProgramHeaderNumber = 0;
foreach (var section in sections)
{
if (section.SectionKind == SectionKind.Unknown)
{
continue;
}
if (section.Size == 0 && section.SectionKind != SectionKind.BSS)
{
continue;
}
if (section.Address == 0)
{
continue;
}
var programHeader = new ProgramHeader
{
Alignment = SectionAlignment,
FileSize = Alignment.AlignUp(section.Size, SectionAlignment),
MemorySize = Alignment.AlignUp(section.Size, SectionAlignment),
Offset = section.Offset,
VirtualAddress = section.Address,
PhysicalAddress = section.Address,
Type = ProgramHeaderType.Load,
Flags =
(section.SectionKind == SectionKind.Text) ? ProgramHeaderFlags.Read | ProgramHeaderFlags.Execute :
(section.SectionKind == SectionKind.ROData) ? ProgramHeaderFlags.Read : ProgramHeaderFlags.Read | ProgramHeaderFlags.Write
};
programHeader.Write(LinkerFormatType, writer);
elfheader.ProgramHeaderNumber++;
}
}