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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 generic
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef RTLD_H_
  36. #define RTLD_H_
  37.  
  38. #include <sys/types.h>
  39. #include <libadt/list.h>
  40.  
  41. #include <dynamic.h>
  42. #include <module.h>
  43.  
  44. /* Define to enable debugging mode. */
  45. #undef RTLD_DEBUG
  46.  
  47. #ifdef RTLD_DEBUG
  48.     #define DPRINTF(format, ...) printf(format, ##__VA_ARGS__);
  49. #else
  50.     #define DPRINTF(format, ...)
  51. #endif
  52.  
  53. typedef struct {
  54.     elf_dyn_t *rtld_dynamic;
  55.     module_t rtld;
  56.  
  57.     module_t *program;
  58.     module_t *libc;
  59.  
  60.     /** List of all loaded modules including rtld and the program */
  61.     link_t modules_head;
  62.  
  63.     /** Temporary hack to place each module at different address. */
  64.     uintptr_t next_bias;
  65. } runtime_env_t;
  66.  
  67. extern runtime_env_t *runtime_env;
  68.  
  69. extern void rtld_init_static(void);
  70.  
  71. #endif
  72.  
  73. /** @}
  74.  */
  75.