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-rw-r--r--elf/dlsym.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/elf/dlsym.c b/elf/dlsym.c
index 64d0cabbd4..5753f54d6e 100644
--- a/elf/dlsym.c
+++ b/elf/dlsym.c
@@ -1,5 +1,5 @@
/* Look up a symbol in a shared object loaded by `dlopen'.
- Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -65,6 +65,16 @@ RTLD_NEXT used in code not dynamically loaded"));
args->loadbase = _dl_lookup_symbol_skip (args->name, &args->ref,
l->l_local_scope, NULL, match);
+
+ if (args->loadbase == 0)
+ {
+ /* This means that no such symbol is defined. In this case we
+ have to provide a phony Elfxx_Sym entry since the value is
+ referenced in `dlsym'. */
+ static const ElfW(Sym) null_result;
+
+ args->ref = &null_result;
+ }
}
else
{