diff options
| author | Waldemar Brodkorb <wbx@openadk.org> | 2014-09-20 22:36:23 +0200 |
|---|---|---|
| committer | Waldemar Brodkorb <wbx@openadk.org> | 2014-09-22 20:35:40 +0200 |
| commit | 4c3023bc803012656cf45749960282351efc8020 (patch) | |
| tree | 979feef511fde3dbe564e5362e89a2e8b793909e /libpthread/nptl/sysdeps/xtensa/dl-tls.h | |
| parent | 51f9b66d2fee1c7c1088b548751ac64131220b6e (diff) | |
xtensa: add support for NPTL
Changes from:
https://github.com/foss-xtensa/uClibc/commits/xtensa_nptl
Author: Chris Zankel <chris@zankel.net>
Author: Baruch Siach <baruch@tkos.co.il>
Diffstat (limited to 'libpthread/nptl/sysdeps/xtensa/dl-tls.h')
| -rw-r--r-- | libpthread/nptl/sysdeps/xtensa/dl-tls.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/xtensa/dl-tls.h b/libpthread/nptl/sysdeps/xtensa/dl-tls.h new file mode 100644 index 000000000..29008dbb9 --- /dev/null +++ b/libpthread/nptl/sysdeps/xtensa/dl-tls.h @@ -0,0 +1,58 @@ +/* Thread-local storage handling in the ELF dynamic linker. Xtensa version. + Copyright (C) 2013 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 _XTENSA_DL_TLS_H +#define _XTENSA_DL_TLS_H 1 + +/* Type used for the representation of TLS information in the GOT. */ +typedef struct +{ + unsigned long int ti_module; + unsigned long int ti_offset; +} tls_index; + +extern void *__tls_get_addr (tls_index *ti); + +/* Type used to represent a TLS descriptor. */ +struct tlsdesc +{ + union + { + void *pointer; + long value; + } argument; + ptrdiff_t (*entry)(struct tlsdesc *); +}; + +/* 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_dynamic_arg *); + +extern void *_dl_make_tlsdesc_dynamic (struct link_map *map, size_t ti_offset); +extern ptrdiff_t attribute_hidden + _dl_tlsdesc_dynamic(struct tlsdesc_dynamic_arg *); + +#endif |