vfork.S 1.4 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 <sys/syscall.h>
  17. .text
  18. .globl __vfork
  19. .hidden __vfork
  20. .type __vfork,@function
  21. /* int vfork(void) */
  22. __vfork:
  23. setlos.p #__NR_vfork, gr7
  24. setlos #-4096, gr4
  25. tra gr0, gr0
  26. cmp gr8, gr4, icc0
  27. blslr icc0, #2
  28. sethi.p #gotofffuncdeschi(__syscall_error), gr14
  29. setlo #gotofffuncdesclo(__syscall_error), gr14
  30. ldd @(gr14, gr15), gr14
  31. jmpl @(gr14, gr0)
  32. .size __vfork,.-__vfork
  33. weak_alias(__vfork,vfork)
  34. libc_hidden_def(vfork)