sysdeps/or1k/libc-tls.c

   1 /* Thread-local storage handling in the ELF dynamic linker.
   2    OpenRISC version.
   3    Copyright (C) 2022-2023 Free Software Foundation, Inc.
   4
   5    This file is part of the GNU C Library.
   6
   7    The GNU C Library is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU Lesser General Public License as
   9    published by the Free Software Foundation; either version 2.1 of the
  10    License, or (at your option) any later version.
  11
  12    The GNU C Library is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    Lesser General Public License for more details.
  16
  17    You should have received a copy of the GNU Lesser General Public
  18    License along with the GNU C Library; if not, see
  19    <https://www.gnu.org/licenses/>.  */
  20
  21 #include <csu/libc-tls.c>
  22 #include <dl-tls.h>
  23
  24 /* On OpenRISC, linker optimizations are not required, so __tls_get_addr
  25    can be called even in statically linked binaries.  In this case module
  26    must be always 1 and PT_TLS segment exist in the binary, otherwise it
  27    would not link.  */
  28
  29 void *
  30 __tls_get_addr (tls_index *ti)
  31 {
  32   dtv_t *dtv = THREAD_DTV ();
  33   return (char *) dtv[1].pointer.val + ti->ti_offset;
  34 }