sysdeps/m68k/libc-tls.c

   1 /* Thread-local storage handling in the ELF dynamic linker.  m68k version.
   2    Copyright (C) 2010-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library.  If not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <csu/libc-tls.c>
  21 #include <dl-tls.h>
  22
  23 /* On M68K, linker optimizations are not required, so __tls_get_addr
  24    can be called even in statically linked binaries.  In this case module
  25    must be always 1 and PT_TLS segment exist in the binary, otherwise it
  26    would not link.  */
  27
  28 void *
  29 __tls_get_addr (tls_index *ti)
  30 {
  31   dtv_t *dtv = THREAD_DTV ();
  32   return (char *) dtv[1].pointer.val + GET_ADDR_OFFSET;
  33 }