MIPS: Add relocation types
[glibc.git] / sysdeps / powerpc / dl-tls.h
blob3324713e40d8d8c6816aa659e1bc6167c6254694
1 /* Thread-local storage handling in the ELF dynamic linker. PowerPC version.
2 Copyright (C) 2003-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
19 #ifndef _PPC_DL_TLS_H
20 # define _PPC_DL_TLS_H 1
22 /* Type used for the representation of TLS information in the TOC. */
23 typedef struct
25 unsigned long int ti_module;
26 unsigned long int ti_offset;
27 } tls_index;
29 /* The thread pointer points 0x7000 past the first static TLS block. */
30 #define TLS_TP_OFFSET 0x7000
32 /* Dynamic thread vector pointers point 0x8000 past the start of each
33 TLS block. */
34 #define TLS_DTV_OFFSET 0x8000
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 \
39 - TLS_TP_OFFSET)
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)
45 #ifdef SHARED
46 extern void *__tls_get_addr (tls_index *ti);
48 # define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET)
49 # define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET)
50 #endif
52 #endif /* dl-tls.h */