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  1. /*
  2.  * Copyright (c) 2008 Jiri Svoboda
  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 rtld rtld
  30.  * @brief
  31.  * @{
  32.  */
  33. /**
  34.  * @file
  35.  */
  36.  
  37. #include <sys/types.h>
  38. #include <align.h>
  39. #include <tls.h>
  40.  
  41. static void kputint(unsigned i)
  42. {
  43.     asm volatile (
  44.         "mr %%r3, %0\n"
  45.         "li %%r9, 31\n"
  46.         "sc\n"
  47.         :
  48.         : "r" (i)
  49.         : "%r3","%r9"
  50.     ) ;
  51. }
  52.  
  53. //typedef struct {
  54. //  unsigned long int ti_module;
  55. //  unsigned long int ti_offset;
  56. //} tls_index;
  57.  
  58. //void *__tls_get_addr(tls_index *ti);
  59.  
  60. ///* ppc32 uses TLS variant 1 */
  61. //void *__tls_get_addr(tls_index *ti)
  62. //{
  63. //  uint8_t *tls;
  64. //
  65. //  /* The TLS section is just after TCB */
  66. //  tls = (uint8_t *)__tcb_get() + sizeof(tcb_t);
  67. //
  68. //  return tls + ti->ti_offset;
  69. //}
  70.  
  71. /** @}
  72.  */
  73.