libc-tls.c 1.3 KB

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  1. /* Thread-local storage handling in the ELF dynamic linker. ARM version.
  2. Copyright (C) 2005 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the 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.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, see
  14. <http://www.gnu.org/licenses/>. */
  15. #include <sysdeps/generic/libc-tls.c>
  16. #include <dl-tls.h>
  17. #if defined(USE_TLS) && USE_TLS
  18. /* On ARM, linker optimizations are not required, so __tls_get_addr
  19. can be called even in statically linked binaries. In this case module
  20. must be always 1 and PT_TLS segment exist in the binary, otherwise it
  21. would not link. */
  22. void *
  23. __tls_get_addr (tls_index *ti)
  24. {
  25. dtv_t *dtv = THREAD_DTV ();
  26. return (char *) dtv[1].pointer.val + ti->ti_offset;
  27. }
  28. #endif