glibc/sysdeps/arm/dl-tlsdesc.h

63 lines
1.8 KiB
C

/* Thread-local storage descriptor handling in the ELF dynamic linker.
ARM version.
Copyright (C) 2005-2016 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; witout 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/>. */
#ifndef _ARM_DL_TLSDESC_H
# define _ARM_DL_TLSDESC_H 1
/* Type used to represent a TLS descriptor in the GOT. */
struct tlsdesc
{
union
{
void *pointer;
long value;
} argument;
ptrdiff_t (*entry)(struct tlsdesc *);
};
typedef struct dl_tls_index
{
unsigned long int ti_module;
unsigned long int ti_offset;
} tls_index;
/* Type used as the argument in a TLS descriptor for a symbol that
needs dynamic TLS offsets. */
struct tlsdesc_dynamic_arg
{
tls_index tlsinfo;
size_t gen_count;
};
extern ptrdiff_t attribute_hidden
_dl_tlsdesc_return(struct tlsdesc *),
_dl_tlsdesc_undefweak(struct tlsdesc *),
_dl_tlsdesc_resolve_hold(struct tlsdesc *),
_dl_tlsdesc_lazy_resolver(struct tlsdesc *);
# ifdef SHARED
extern void *_dl_make_tlsdesc_dynamic (struct link_map *map, size_t ti_offset);
extern ptrdiff_t attribute_hidden
_dl_tlsdesc_dynamic(struct tlsdesc *);
# endif
#endif