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61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/* Thread-local storage descriptor handling in the ELF dynamic linker.
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ARM version.
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Copyright (C) 2005-2020 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; witout 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 _ARM_DL_TLSDESC_H
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# define _ARM_DL_TLSDESC_H 1
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/* Type used to represent a TLS descriptor in the GOT. */
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struct tlsdesc
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{
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union
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{
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void *pointer;
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long value;
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} argument;
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ptrdiff_t (*entry)(struct tlsdesc *);
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};
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typedef struct dl_tls_index
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{
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unsigned long int ti_module;
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unsigned long int ti_offset;
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} tls_index;
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/* Type used as the argument in a TLS descriptor for a symbol that
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needs dynamic TLS offsets. */
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struct tlsdesc_dynamic_arg
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{
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tls_index tlsinfo;
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size_t gen_count;
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};
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extern ptrdiff_t attribute_hidden
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_dl_tlsdesc_return(struct tlsdesc *),
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_dl_tlsdesc_undefweak(struct tlsdesc *);
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# ifdef SHARED
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extern void *_dl_make_tlsdesc_dynamic (struct link_map *map, size_t ti_offset);
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extern ptrdiff_t attribute_hidden
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_dl_tlsdesc_dynamic(struct tlsdesc *);
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# endif
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#endif
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