1 /* Thread-local storage handling in the ELF dynamic linker. RISC-V version.
2 Copyright (C) 2011-2018 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 <http://www.gnu.org/licenses/>. */
20 /* Type used for the representation of TLS information in the GOT. */
23 unsigned long int ti_module
;
24 unsigned long int ti_offset
;
27 /* The thread pointer points to the first static TLS block. */
28 #define TLS_TP_OFFSET 0
30 /* Dynamic thread vector pointers point 0x800 past the start of each
32 #define TLS_DTV_OFFSET 0x800
34 /* Compute the value for a GOTTPREL reloc. */
35 #define TLS_TPREL_VALUE(sym_map, sym) \
36 ((sym_map)->l_tls_offset + (sym)->st_value - TLS_TP_OFFSET)
38 /* Compute the value for a DTPREL reloc. */
39 #define TLS_DTPREL_VALUE(sym) \
40 ((sym)->st_value - TLS_DTV_OFFSET)
42 extern void *__tls_get_addr (tls_index
*ti
);
44 #define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET)
45 #define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET)
47 /* Value used for dtv entries for which the allocation is delayed. */
48 #define TLS_DTV_UNALLOCATED ((void *) -1l)