glibc/sysdeps/i386/dl-tlsdesc.h

62 lines
2.0 KiB
C

/* Thread-local storage descriptor handling in the ELF dynamic linker.
i386 version.
Copyright (C) 2005, 2008 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; without 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _I386_DL_TLSDESC_H
# define _I386_DL_TLSDESC_H 1
/* Type used to represent a TLS descriptor in the GOT. */
struct tlsdesc
{
ptrdiff_t __attribute__ ((regparm (1))) (*entry) (struct tlsdesc *);
void *arg;
};
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 __attribute__ ((regparm (1)))
_dl_tlsdesc_return (struct tlsdesc *),
_dl_tlsdesc_undefweak (struct tlsdesc *),
_dl_tlsdesc_resolve_abs_plus_addend (struct tlsdesc *),
_dl_tlsdesc_resolve_rel (struct tlsdesc *),
_dl_tlsdesc_resolve_rela (struct tlsdesc *),
_dl_tlsdesc_resolve_hold (struct tlsdesc *);
# ifdef SHARED
extern void *internal_function _dl_make_tlsdesc_dynamic (struct link_map *map,
size_t ti_offset);
extern ptrdiff_t attribute_hidden __attribute__ ((regparm (1)))
_dl_tlsdesc_dynamic (struct tlsdesc *);
# endif
#endif