public override ElfRelocation LoadRelaEntry(EndianImageReader rdr)
{
var rela = Elf64_Rela.Read(rdr);
return(new ElfRelocation
{
Offset = rela.r_offset,
Info = rela.r_info,
Addend = rela.r_addend,
SymbolIndex = (int)(rela.r_info >> 32),
});
}
public override void Relocate(Program program)
{
DumpRela64(loader);
foreach (var relSection in loader.Sections.Where(s => s.Type == SectionHeaderType.SHT_RELA))
{
var symbols = loader.Symbols[relSection.LinkedSection];
var referringSection = relSection.RelocatedSection;
var rdr = loader.CreateReader(relSection.FileOffset);
for (uint i = 0; i < relSection.EntryCount(); ++i)
{
var rela = Elf64_Rela.Read(rdr);
var sym = symbols[(int)(rela.r_info >> 32)];
RelocateEntry(program, sym, referringSection, rela);
}
}
}
protected void DumpRela64(ElfLoader64 loader)
{
foreach (var section in loader.Sections.Where(s => s.Type == SectionHeaderType.SHT_RELA))
{
Debug.Print("RELA: offset {0:X} link section {1}",
section.FileOffset,
section.LinkedSection.Name);
var symbols = loader.Symbols[section.LinkedSection];
var rdr = loader.CreateReader(section.FileOffset);
for (uint i = 0; i < section.EntryCount(); ++i)
{
var rela = Elf64_Rela.Read(rdr);
Debug.Print(" off:{0:X16} type:{1,-16} add:{3,-20} {4,3} {2}",
rela.r_offset,
(SparcRt)(rela.r_info & 0xFF),
symbols[(int)(rela.r_info >> 8)].Name,
rela.r_addend,
(int)(rela.r_info >> 8));
}
}
}