crt0.S 1.4 KB

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  1. /* Copyright (C) 1991, 1992 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Library General Public License as
  5. published by the Free Software Foundation; either version 2 of the
  6. License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Library General Public License for more details.
  11. You should have received a copy of the GNU Library General Public
  12. License along with the GNU C Library; see the file COPYING.LIB. If
  13. not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  14. Cambridge, MA 02139, USA. */
  15. #include <features.h>
  16. .global _start
  17. .global __exit
  18. .global atexit
  19. .global main
  20. .h8300h
  21. .text
  22. _start: /* put here so that references to _start work with elf-PIC */
  23. mov.l @(0,sp),er0 /* argc */
  24. mov.l @(4,sp),er1 /* argv */
  25. mov.l @(8,sp),er2 /* envp */
  26. jsr @___uClibc_main
  27. /* If that didn't kill us, ... */
  28. __exit:
  29. mov.l er0,er1
  30. sub.l er0,er0
  31. inc.l #1,er0 /* __NR_exit */
  32. trapa #0
  33. /*
  34. * this was needed for gcc/g++-builds, atexit was not getting included
  35. * for some stupid reason, this gets us a compiler
  36. */
  37. empty_func:
  38. rts
  39. #if defined(__HAVE_ELF__)
  40. .weak atexit
  41. atexit = empty_func
  42. #else
  43. .set atexit,empty_func
  44. #endif