Ignore VER_NDX_LOCAL for an undefined symbol.
authorIan Lance Taylor <iant@google.com>
Tue, 4 Sep 2007 17:59:53 +0000 (17:59 +0000)
committerIan Lance Taylor <iant@google.com>
Tue, 4 Sep 2007 17:59:53 +0000 (17:59 +0000)
gold/symtab.cc

index 68ce3b1efeeaae6287d9a3d3cc3e430775206b0e..e4acb318f1628f0ca15ea65a5da9f7569e8bb343 100644 (file)
@@ -601,7 +601,15 @@ Symbol_table::add_from_dynobj(
       bool hidden = (v & elfcpp::VERSYM_HIDDEN) != 0;
       v &= elfcpp::VERSYM_VERSION;
 
-      if (v == static_cast<unsigned int>(elfcpp::VER_NDX_LOCAL))
+      // The Sun documentation says that V can be VER_NDX_LOCAL, or
+      // VER_NDX_GLOBAL, or a version index.  The meaning of
+      // VER_NDX_LOCAL is defined as "Symbol has local scope."  The
+      // old GNU linker will happily generate VER_NDX_LOCAL for an
+      // undefined symbol.  I don't know what the Sun linker will
+      // generate.
+
+      if (v == static_cast<unsigned int>(elfcpp::VER_NDX_LOCAL)
+          && sym.get_st_shndx() != elfcpp::SHN_UNDEF)
        {
          // This symbol should not be visible outside the object.
          continue;
@@ -611,7 +619,8 @@ Symbol_table::add_from_dynobj(
       Stringpool::Key name_key;
       name = this->namepool_.add(name, &name_key);
 
-      if (v == static_cast<unsigned int>(elfcpp::VER_NDX_GLOBAL))
+      if (v == static_cast<unsigned int>(elfcpp::VER_NDX_LOCAL)
+          || v == static_cast<unsigned int>(elfcpp::VER_NDX_GLOBAL))
        {
          // This symbol does not have a version.
          this->add_from_object(dynobj, name, name_key, NULL, 0, false, sym);