bsd-_setjmp.S 1.2 KB

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  1. /* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. PowerPC version.
  2. Copyright (C) 1994, 1997, 1999, 2000 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  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, see
  14. <http://www.gnu.org/licenses/>. */
  15. /* This just does a tail-call to `__sigsetjmp (ARG, 0)'.
  16. We cannot do it in C because it must be a tail-call, so frame-unwinding
  17. in setjmp doesn't clobber the state restored by longjmp. */
  18. #include "ppc_asm.h"
  19. .globl _setjmp;
  20. .type _setjmp, @function;
  21. .align 2;
  22. _setjmp:
  23. li r4,0 /* Set second argument to 0. */
  24. b __sigsetjmp@local
  25. .size _setjmp,.-_setjmp