| /* Thread-local storage handling in the ELF dynamic linker. M68K version. |
| Copyright (C) 2010-2016 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010. |
| |
| 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/>. */ |
| |
| |
| /* 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; |
| |
| /* The thread pointer points 0x7000 past the first static TLS block. */ |
| #define TLS_TP_OFFSET 0x7000 |
| |
| /* Dynamic thread vector pointers point 0x8000 past the start of each |
| TLS block. */ |
| #define TLS_DTV_OFFSET 0x8000 |
| |
| /* Compute the value for a TPREL reloc. */ |
| #define TLS_TPREL_VALUE(sym_map, sym, reloc) \ |
| ((sym_map)->l_tls_offset + (sym)->st_value + (reloc)->r_addend \ |
| - TLS_TP_OFFSET) |
| |
| /* Compute the value for a DTPREL reloc. */ |
| #define TLS_DTPREL_VALUE(sym, reloc) \ |
| ((sym)->st_value + (reloc)->r_addend - TLS_DTV_OFFSET) |
| |
| extern void *__tls_get_addr (tls_index *ti); |
| |
| #define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET) |
| #define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET) |
| |
| /* Value used for dtv entries for which the allocation is delayed. */ |
| #define TLS_DTV_UNALLOCATED ((void *) -1l) |