+1999-02-03 Ulrich Drepper <drepper@cygnus.com>
+
+ * elf/dlsym.c (dlsym_doit): If no symbol for RTLD_NEXT is found
+ initialize ref element of args object so that dlsym does not dump
+ a core.
+ * elf/dlvsym.c (dlvsym_doit): Likewise.
+
1999-02-03 Jakub Jelinek <jj@ultra.linux.cz>
* sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S: Set branch
/* 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
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
{
/* Look up a versioned 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
l->l_local_scope,
NULL, &args->version,
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
{