(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

linuxthreads/libc-tls-loc.c

@@ -0,0 +1,49 @@
+/* Special definitions for libc's own exposed thread-specific variables.
+   Copyright (C) 2002 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
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <tls.h>
+
+#if USE___THREAD
+# include <errno.h>
+# include <netdb.h>
+# include <resolv.h>
+
+/* These functions have identical definitions in libc.  But the versioned
+   dependencies in executables bind them to libpthread.so definitions,
+   so we must have some here.  */
+
+int *
+__errno_location (void)
+{
+  return &errno;
+}
+
+int *
+__h_errno_location (void)
+{
+  return &h_errno;
+}
+
+struct __res_state *
+__res_state (void)
+{
+  return __resp;
+}
+
+#endif