Blame sysdeps/powerpc/libc-tls.c

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/* Thread-local storage handling in the ELF dynamic linker.  PowerPC version.
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   Copyright (C) 2015-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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#include <csu/libc-tls.c>
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#include <dl-tls.h>
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/* On powerpc, the linker usually optimizes code sequences used to access
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   Thread Local Storage.  However, when the user disables these optimizations
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   by passing --no-tls-optimze to the linker, we need to provide __tls_get_addr
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   in static libc in order to avoid undefined references to that symbol.  */
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void *
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__tls_get_addr (tls_index *ti)
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{
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  dtv_t *dtv = THREAD_DTV ();
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  return (char *) dtv[1].pointer.val + ti->ti_offset + TLS_DTV_OFFSET;
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}