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afafddab RM |
1 | /* Thread-local storage handling in the ELF dynamic linker. PowerPC64 version. |
2 | Copyright (C) 2003 Free Software Foundation, Inc. | |
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 | |
16 | License along with the GNU C Library; if not, write to the Free | |
17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
18 | 02111-1307 USA. */ | |
19 | ||
20 | ||
21 | /* Type used for the representation of TLS information in the TOC. */ | |
22 | typedef struct | |
23 | { | |
24 | unsigned long int ti_module; | |
25 | unsigned long int ti_offset; | |
26 | } tls_index; | |
27 | ||
28 | ||
29 | #ifdef SHARED | |
30 | ||
31 | extern void *__tls_get_addr (tls_index *ti); | |
32 | ||
33 | /* Dynamic thread vector pointers point 0x8000 past the start of each | |
34 | TLS block. */ | |
35 | # define TLS_DTV_OFFSET 0x8000 | |
36 | ||
37 | # define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET) | |
38 | # define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET) | |
39 | ||
40 | #endif |