pipe.S 1.3 KB

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  1. /* Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by David Mosberger <davidm@hpl.hp.com>
  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. /* __pipe is a special syscall since it returns two values. */
  17. #include "sysdep.h"
  18. ENTRY(__pipe)
  19. .regstk 1,0,0,0
  20. DO_CALL (SYS_ify (pipe))
  21. cmp.ne p6,p0=-1,r10
  22. ;;
  23. (p6) st4 [in0]=r8,4
  24. (p6) mov ret0=0
  25. ;;
  26. (p6) st4 [in0]=r9
  27. (p6) ret
  28. br.cond.spnt.few __syscall_error
  29. PSEUDO_END(__pipe)
  30. libc_hidden_def (__pipe)
  31. weak_alias (__pipe, pipe)