bool ElfRelocations::ApplyRelRelocs(const ELF::Rel* rel,
size_t rel_count,
const ElfSymbols* symbols,
SymbolResolver* resolver,
Error* error) {
RLOG("%s: rel=%p rel_count=%d\n", __FUNCTION__, rel, rel_count);
if (!rel)
return true;
for (size_t rel_n = 0; rel_n < rel_count; rel++, rel_n++) {
const ELF::Word rel_type = ELF_R_TYPE(rel->r_info);
const ELF::Word rel_symbol = ELF_R_SYM(rel->r_info);
ELF::Addr sym_addr = 0;
ELF::Addr reloc = static_cast<ELF::Addr>(rel->r_offset + load_bias_);
RLOG(" %d/%d reloc=%p offset=%p type=%d symbol=%d\n",
rel_n + 1,
rel_count,
reloc,
rel->r_offset,
rel_type,
rel_symbol);
if (rel_type == 0)
continue;
bool resolved = false;
// If this is a symbolic relocation, compute the symbol's address.
if (__builtin_expect(rel_symbol != 0, 0)) {
resolved = ResolveSymbol(rel_type,
rel_symbol,
symbols,
resolver,
reloc,
&sym_addr,
error);
}
if (!ApplyRelReloc(rel, sym_addr, resolved, error))
return false;
}
return true;
}
bool ElfRelocations::ApplyRelRelocs(const ELF::Rel* rel,
size_t rel_count,
const ElfSymbols* symbols,
SymbolResolver* resolver,
Error* error) {
RLOG("%s: rel=%p rel_count=%d\n", __FUNCTION__, rel, rel_count);
if (!rel)
return true;
for (size_t rel_n = 0; rel_n < rel_count; rel++, rel_n++) {
RLOG(" Relocation %d of %d:\n", rel_n + 1, rel_count);
if (!ApplyRelReloc(rel, symbols, resolver, error))
return false;
}
return true;
}
