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33 lines
1.3 KiB
C
33 lines
1.3 KiB
C
/* Thread-local storage handling in the ELF dynamic linker. PowerPC version.
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Copyright (C) 2015-2020 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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<https://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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}
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