pipe.S 1.1 KB

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  1. /* Copyright (C) 1997-2017 Free Software Foundation, Inc.
  2. Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997.
  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 <sysdep.h>
  15. .text
  16. .globl __syscall_error
  17. ENTRY(__pipe)
  18. mov %o0, %o2 /* Save PIPEDES. */
  19. LOADSYSCALL(pipe)
  20. ta 0x6d
  21. bcc,pt %xcc, 1f
  22. mov %o7, %g1
  23. call __syscall_error
  24. mov %g1, %o7
  25. 1: st %o0, [%o2] /* PIPEDES[0] = %o0; */
  26. st %o1, [%o2 + 4] /* PIPEDES[1] = %o1; */
  27. retl
  28. clr %o0
  29. END(__pipe)
  30. weak_alias(__pipe, pipe)
  31. libc_hidden_def(pipe)