setjmp.S 1.5 KB

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  1. /* Copyright (C) 1991, 93, 94, 96, 97, 98 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  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, write to the Free
  13. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  14. 02111-1307 USA. */
  15. #include <jmpbuf-offsets.h>
  16. #define ST_FLUSH_WINDOWS 3
  17. .global _setjmp
  18. .type _setjmp,%function
  19. .align 4
  20. _setjmp:
  21. b 1f
  22. set 0, %o1
  23. .size _setjmp,.-_setjmp
  24. .global setjmp
  25. .type setjmp,%function
  26. .align 4
  27. setjmp:
  28. set 1, %o1
  29. .size setjmp,.-setjmp
  30. .global __sigsetjmp
  31. .type __sigsetjmp,%function
  32. .align 4
  33. __sigsetjmp:
  34. 1:
  35. /* Save our PC, SP and FP. Save the signal mask if requested with
  36. a tail-call for simplicity; it always returns zero. */
  37. ta ST_FLUSH_WINDOWS
  38. st %o7, [%o0 + (JB_PC * 4)]
  39. st %sp, [%o0 + (JB_SP * 4)]
  40. st %fp, [%o0 + (JB_FP * 4)]
  41. mov %o7, %g1
  42. call __sigjmp_save
  43. mov %g1, %o7
  44. .size __sigsetjmp,.-__sigsetjmp
  45. .weak _setjmp
  46. .weak setjmp