// shared libraries can find them.
// Except this, we ignore undefined symbols in DSOs.
template <class ELFT> void SymbolTable<ELFT>::scanShlibUndefined() {
- for (SharedFile<ELFT> *File : SharedFiles)
- for (StringRef U : File->getUndefinedSymbols())
- if (SymbolBody *Sym = find(U))
- if (Sym->isDefined())
- Sym->symbol()->ExportDynamic = true;
+ for (SharedFile<ELFT> *File : SharedFiles) {
+ for (StringRef U : File->getUndefinedSymbols()) {
+ SymbolBody *Sym = find(U);
+ if (!Sym || !Sym->isDefined())
+ continue;
+ Sym->symbol()->ExportDynamic = true;
+
+ // If -dynamic-list is given, the default version is set to
+ // VER_NDX_LOCAL, which prevents a symbol to be exported via .dynsym.
+ // Set to VER_NDX_GLOBAL so the symbol will be handled as if it were
+ // specified by -dynamic-list.
+ Sym->symbol()->VersionId = VER_NDX_GLOBAL;
+ }
+ }
}
// Initialize DemangledSyms with a map from demangled symbols to symbol
// RUN: ld.lld -o %t %t.o %t.so
// RUN: llvm-readobj -dyn-symbols %t | FileCheck %s
+// RUN: echo "{_start;};" > %t.dynlist
+// RUN: ld.lld -dynamic-list %t.dynlist -o %t %t.o %t.so
+// RUN: llvm-readobj -dyn-symbols %t | FileCheck %s
+
// CHECK: Name: __progname@
// CHECK-NEXT: Value: 0x201000
// CHECK-NEXT: Size: 0