From 4c3023bc803012656cf45749960282351efc8020 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Sat, 20 Sep 2014 22:36:23 +0200 Subject: xtensa: add support for NPTL Changes from: https://github.com/foss-xtensa/uClibc/commits/xtensa_nptl Author: Chris Zankel Author: Baruch Siach --- libpthread/nptl/sysdeps/xtensa/dl-tls.h | 58 +++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 libpthread/nptl/sysdeps/xtensa/dl-tls.h (limited to 'libpthread/nptl/sysdeps/xtensa/dl-tls.h') 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 -- cgit v1.2.3