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  1. /*
  2.  * Copyright (c) 2007 Jakub Jermar
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup libc
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef LIBC_TLS_H_
  36. #define LIBC_TLS_H_
  37.  
  38. #include <libarch/tls.h>
  39. #include <sys/types.h>
  40.  
  41. /*
  42.  * Symbols defined in the respective linker script.
  43.  */
  44. extern char _tls_alignment;
  45. extern char _tdata_start;
  46. extern char _tdata_end;
  47. extern char _tbss_start;
  48. extern char _tbss_end;
  49.  
  50. extern tcb_t *__make_tls(void);
  51. extern tcb_t *__alloc_tls(void **, size_t);
  52. extern void __free_tls(tcb_t *);
  53. extern void __free_tls_arch(tcb_t *, size_t);
  54.  
  55. #ifdef CONFIG_TLS_VARIANT_1
  56. extern tcb_t *tls_alloc_variant_1(void **, size_t);
  57. extern void tls_free_variant_1(tcb_t *, size_t);
  58. #endif
  59. #ifdef CONFIG_TLS_VARIANT_2
  60. extern tcb_t *tls_alloc_variant_2(void **, size_t);
  61. extern void tls_free_variant_2(tcb_t *, size_t);
  62. #endif
  63.  
  64. #endif
  65.  
  66. /** @}
  67.  */
  68.