riscv64: implement NPTL/TLS
[uclibc-ng.git] / libpthread / nptl / sysdeps / riscv64 / libc-tls.c
blob500de1d64725262b6d6182991d130815d16142a7
1 /* Copyright (C) 2005-2016 Free Software Foundation, Inc.
3 The GNU C Library is free software; you can redistribute it and/or
4 modify it under the terms of the GNU Lesser General Public License as
5 published by the Free Software Foundation; either version 2.1 of the
6 License, or (at your option) any later version.
8 The GNU C Library is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 Lesser General Public License for more details.
13 You should have received a copy of the GNU Lesser General Public
14 License along with the GNU C Library; if not, see
15 <http://www.gnu.org/licenses/>. */
17 #include <sysdeps/generic/libc-tls.c>
18 #include <dl-tls.h>
20 /* On OpenRISC, linker optimizations are not required, so __tls_get_addr
21 can be called even in statically linked binaries. In this case module
22 must be always 1 and PT_TLS segment exist in the binary, otherwise it
23 would not link. */
25 #if defined(USE_TLS) && USE_TLS
27 void *
28 __tls_get_addr (tls_index *ti)
30 dtv_t *dtv = THREAD_DTV ();
31 return (char *) dtv[1].pointer.val + ti->ti_offset;
34 #endif