sysdeps/alpha/libc-tls.c

   1 /* Thread-local storage handling in the ELF dynamic linker.  Alpha version.
   2    Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   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.
   9
  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.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <csu/libc-tls.c>
  21 #include <dl-tls.h>
  22
  23 /* On Alpha, 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 + ti->ti_offset;
  33 }