vfork.S 1.3 KB

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  1. /* Copyright (C) 2003, 2004 Free Software Foudnation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by David Howells <dhowells@redhat.com>, 2003.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA. */
  16. #include <asm/unistd.h>
  17. #define _ERRNO_H 1
  18. #include <bits/errno.h>
  19. .text
  20. .globl vfork
  21. .type vfork,@function
  22. /* int vfork(void) */
  23. vfork:
  24. setlos.p #__NR_vfork, gr7
  25. setlos #-4096, gr4
  26. tra gr0, gr0
  27. cmp gr8, gr4, icc0
  28. blslr icc0, #2
  29. sethi.p #gotofffuncdeschi(__syscall_error), gr14
  30. setlo #gotofffuncdesclo(__syscall_error), gr14
  31. ldd @(gr14, gr15), gr14
  32. jmpl @(gr14, gr0)
  33. .size vfork,.-vfork