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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 genericproc
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_PROGRAM_H_
  36. #define KERN_PROGRAM_H_
  37.  
  38. #include <arch/types.h>
  39.  
  40. struct task;
  41. struct thread;
  42.  
  43. /** Program info structure.
  44.  *
  45.  * A program is an abstraction of a freshly created (not yet running)
  46.  * userspace task containing a main thread along with its userspace stack.
  47.  */
  48. typedef struct program {
  49.     struct task *task;      /**< Program task */
  50.     struct thread *main_thread; /**< Program main thread */
  51. } program_t;
  52.  
  53. extern void *program_loader;
  54.  
  55. extern void program_create(as_t *as, uintptr_t entry_addr, program_t *p);
  56. extern int program_create_from_image(void *image_addr, program_t *p);
  57. extern int program_create_loader(program_t *p);
  58. extern void program_ready(program_t *p);
  59.  
  60. extern unative_t sys_program_spawn_loader(int *uspace_phone_id);
  61.  
  62. #endif
  63.  
  64. /** @}
  65.  */
  66.