| /* Generic declarations for DTV-based TLS handling in the dynamic linker. |
| Copyright (C) 2002-2018 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _DL_DTV_H |
| #define _DL_DTV_H |
| |
| struct dtv_pointer |
| { |
| void *val; /* Pointer to data, or TLS_DTV_UNALLOCATED. */ |
| void *to_free; /* Unaligned pointer, for deallocation. */ |
| }; |
| |
| /* Type for the dtv. */ |
| typedef union dtv |
| { |
| size_t counter; |
| struct dtv_pointer pointer; |
| } dtv_t; |
| |
| /* Value used for dtv entries for which the allocation is delayed. */ |
| #define TLS_DTV_UNALLOCATED ((void *) -1l) |
| |
| #endif /* _DLT_DTV_H */ |
