bool ElfRelocations::ApplyRelaRelocs(const ELF::Rela* rela,
size_t rela_count,
const ElfSymbols* symbols,
SymbolResolver* resolver,
Error* error) {
RLOG("%s: rela=%p rela_count=%d\n", __FUNCTION__, rela, rela_count);
if (!rela)
return true;
for (size_t rel_n = 0; rel_n < rela_count; rela++, rel_n++) {
const ELF::Word rel_type = ELF_R_TYPE(rela->r_info);
const ELF::Word rel_symbol = ELF_R_SYM(rela->r_info);
ELF::Addr sym_addr = 0;
ELF::Addr reloc = static_cast<ELF::Addr>(rela->r_offset + load_bias_);
RLOG(" %d/%d reloc=%p offset=%p type=%d symbol=%d\n",
rel_n + 1,
rela_count,
reloc,
rela->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 (!ApplyRelaReloc(rela, sym_addr, resolved, error))
return false;
}
return true;
}
bool ElfRelocations::ApplyRelaRelocs(const ELF::Rela* rela,
size_t rela_count,
const ElfSymbols* symbols,
SymbolResolver* resolver,
Error* error) {
RLOG("%s: rela=%p rela_count=%d\n", __FUNCTION__, rela, rela_count);
if (!rela)
return true;
for (size_t rel_n = 0; rel_n < rela_count; rela++, rel_n++) {
RLOG(" Relocation %d of %d:\n", rel_n + 1, rela_count);
if (!ApplyRelaReloc(rela, symbols, resolver, error))
return false;
}
return true;
}
