void SymbolTable<ELFT>::addShared(SharedFile<ELFT> *F, StringRef Name,
const Elf_Sym &Sym,
const typename ELFT::Verdef *Verdef) {
// DSO symbols do not affect visibility in the output, so we pass STV_DEFAULT
// as the visibility, which will leave the visibility in the symbol table
// unchanged.
Symbol *S;
bool WasInserted;
std::tie(S, WasInserted) =
insert(Name, Sym.getType(), STV_DEFAULT, /*CanOmitFromDynSym*/ true,
/*IsUsedInRegularObj*/ false, F);
// Make sure we preempt DSO symbols with default visibility.
if (Sym.getVisibility() == STV_DEFAULT)
S->ExportDynamic = true;
if (WasInserted || isa<Undefined>(S->body())) {
replaceBody<SharedSymbol<ELFT>>(S, F, Name, Sym, Verdef);
if (!S->isWeak())
F->IsUsed = true;
}
}
void SymbolTable<ELFT>::addShared(SharedFile<ELFT> *F, StringRef Name,
const Elf_Sym &Sym,
const typename ELFT::Verdef *Verdef) {
// DSO symbols do not affect visibility in the output, so we pass STV_DEFAULT
// as the visibility, which will leave the visibility in the symbol table
// unchanged.
Symbol *S;
bool WasInserted;
std::tie(S, WasInserted) =
insert(Name, Sym.getType(), STV_DEFAULT, /*CanOmitFromDynSym*/ true, F);
// Make sure we preempt DSO symbols with default visibility.
if (Sym.getVisibility() == STV_DEFAULT) {
S->ExportDynamic = true;
// Exporting preempting symbols takes precedence over linker scripts.
if (S->VersionId == VER_NDX_LOCAL)
S->VersionId = VER_NDX_GLOBAL;
}
if (WasInserted || isa<Undefined<ELFT>>(S->body())) {
replaceBody<SharedSymbol<ELFT>>(S, F, Name, Sym, Verdef);
if (!S->isWeak())
F->IsUsed = true;
}
}
UndefinedElf<ELFT>::UndefinedElf(const Elf_Sym &Sym)
: SymbolBody(SymbolBody::UndefinedElfKind, Sym.st_name, Sym.st_other,
Sym.getType()),
Size(Sym.st_size) {
assert(Sym.getBinding() == STB_LOCAL);
}
UndefinedElf<ELFT>::UndefinedElf(StringRef N, const Elf_Sym &Sym)
: SymbolBody(SymbolBody::UndefinedElfKind, N, Sym.getBinding(),
Sym.st_other, Sym.getType()),
Size(Sym.st_size) {}
