protected void EmitRelocationAddend(LinkerSection linkerSection, Section section)
{
int count = 0;
foreach (var symbol in linkerSection.Symbols)
{
foreach (var patch in symbol.LinkRequests)
{
if (patch.ReferenceOffset == 0)
{
continue;
}
if (patch.LinkType == LinkType.Size)
{
continue;
}
var relocationAddendEntry = new RelocationAddendEntry()
{
RelocationType = ConvertType(patch.LinkType, linker.MachineType),
Symbol = symbolTableOffset[symbol],
Offset = (ulong)patch.PatchOffset,
Addend = (ulong)patch.ReferenceOffset,
};
relocationAddendEntry.Write(linkerFormatType, writer);
count++;
}
}
section.Size = (uint)(count * RelocationAddendEntry.GetEntrySize(linkerFormatType));
}
protected void CreateRelocationSection(SectionKind kind, bool addend)
{
var relocationSection = new Section();
relocationSection.Name = (addend ? ".rela" : ".rel") + LinkerSectionNames[(int)kind];
relocationSection.Type = addend ? SectionType.RelocationA : SectionType.Relocation;
relocationSection.Link = symbolSection;
relocationSection.Info = GetSection(kind);
relocationSection.AddressAlignment = linker.SectionAlignment;
relocationSection.EntrySize = (uint)(addend ? RelocationAddendEntry.GetEntrySize(linkerFormatType) : RelocationEntry.GetEntrySize(linkerFormatType));
relocationSection.EmitMethod = WriteRelocationSection;
AddSection(relocationSection);
relocationSection.AddDependency(symbolSection);
relocationSection.AddDependency(GetSection(kind));
}
