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a6963e69 | 1 | /* Thread-local storage handling in the ELF dynamic linker. PowerPC version. |
04277e02 | 2 | Copyright (C) 2003-2019 Free Software Foundation, Inc. |
afafddab RM |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
afafddab | 18 | |
873a772e AJ |
19 | #ifndef _PPC_DL_TLS_H |
20 | # define _PPC_DL_TLS_H 1 | |
afafddab RM |
21 | |
22 | /* Type used for the representation of TLS information in the TOC. */ | |
23 | typedef struct | |
24 | { | |
25 | unsigned long int ti_module; | |
26 | unsigned long int ti_offset; | |
27 | } tls_index; | |
28 | ||
a6963e69 | 29 | /* The thread pointer points 0x7000 past the first static TLS block. */ |
3093b1c7 | 30 | #define TLS_TP_OFFSET 0x7000 |
a6963e69 | 31 | |
afafddab RM |
32 | /* Dynamic thread vector pointers point 0x8000 past the start of each |
33 | TLS block. */ | |
3093b1c7 RM |
34 | #define TLS_DTV_OFFSET 0x8000 |
35 | ||
36 | /* Compute the value for a @tprel reloc. */ | |
37 | #define TLS_TPREL_VALUE(sym_map, sym, reloc) \ | |
38 | ((sym_map)->l_tls_offset + (sym)->st_value + (reloc)->r_addend \ | |
299601a1 | 39 | - TLS_TP_OFFSET) |
3093b1c7 RM |
40 | |
41 | /* Compute the value for a @dtprel reloc. */ | |
42 | #define TLS_DTPREL_VALUE(sym, reloc) \ | |
43 | ((sym)->st_value + (reloc)->r_addend - TLS_DTV_OFFSET) | |
44 | ||
45 | #ifdef SHARED | |
46 | extern void *__tls_get_addr (tls_index *ti); | |
afafddab RM |
47 | |
48 | # define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET) | |
49 | # define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET) | |
afafddab | 50 | #endif |
e6c61494 | 51 | |
873a772e | 52 | #endif /* dl-tls.h */ |