syscall.S 1.2 KB

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  1. /* Copyright (C) 1991, 1992, 1997, 2002 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 Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the 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. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, see
  13. <http://www.gnu.org/licenses/>. */
  14. #include <features.h>
  15. #include <sys/syscall.h>
  16. .text
  17. .global syscall
  18. .type syscall,%function
  19. #if __WORDSIZE == 32
  20. .align 4
  21. #else
  22. .align 2
  23. #endif
  24. syscall:
  25. mov %o0, %g1
  26. mov %o1, %o0
  27. mov %o2, %o1
  28. mov %o3, %o2
  29. mov %o4, %o3
  30. mov %o5, %o4
  31. #if __WORDSIZE == 32
  32. ta 0x10
  33. bcs __syscall_error
  34. #else
  35. ta 0x6d
  36. bcs,pn %xcc,__syscall_error
  37. #endif
  38. nop
  39. retl
  40. nop
  41. .size syscall,.-syscall