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39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* Generic declarations for DTV-based TLS handling in the dynamic linker.
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Copyright (C) 2002-2020 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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#ifndef _DL_DTV_H
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#define _DL_DTV_H
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struct dtv_pointer
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{
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void *val; /* Pointer to data, or TLS_DTV_UNALLOCATED. */
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void *to_free; /* Unaligned pointer, for deallocation. */
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};
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/* Type for the dtv. */
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typedef union dtv
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{
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size_t counter;
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struct dtv_pointer pointer;
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} dtv_t;
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/* Value used for dtv entries for which the allocation is delayed. */
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#define TLS_DTV_UNALLOCATED ((void *) -1l)
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#endif /* _DLT_DTV_H */
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