[PATCH] powerpc: Provide __tls_get_addr () in static libc

[Andreas Schwab]

Carlos Eduardo Seo <cseo@linux.vnet.ibm.com> writes:

> --- /dev/null
> +++ b/sysdeps/powerpc/libc-tls.c
> @@ -0,0 +1,28 @@
> +/* Thread-local storage handling in the ELF dynamic linker.  PowerPC version.
> +   Copyright (C) 2015 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; if not, see
> +   <http://www.gnu.org/licenses/>.  */
> +
> +#include <csu/libc-tls.c>
> +#include <dl-tls.h>
> +
> +void *
> +__tls_get_addr (tls_index *ti)
> +{
> +  dtv_t *dtv = THREAD_DTV ();
> +  return (char *) dtv[1].pointer.val + ti->ti_offset + TLS_DTV_OFFSET;
> +}
> +

Please add a comment on why this is needed.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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"And now for something completely different."