setjmp.S 1.6 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 <sys/syscall.h>
  16. #define _ASM 1
  17. #define _SETJMP_H
  18. #include <bits/setjmp.h>
  19. #define ST_FLUSH_WINDOWS 3
  20. .global _setjmp
  21. .type _setjmp,%function
  22. .align 4
  23. _setjmp:
  24. b 1f
  25. set 0, %o1
  26. .size _setjmp,.-_setjmp
  27. .global setjmp
  28. .type setjmp,%function
  29. .align 4
  30. setjmp:
  31. set 1, %o1
  32. .size setjmp,.-setjmp
  33. .global __sigsetjmp
  34. .type __sigsetjmp,%function
  35. .align 4
  36. __sigsetjmp:
  37. 1:
  38. /* Save our PC, SP and FP. Save the signal mask if requested with
  39. a tail-call for simplicity; it always returns zero. */
  40. ta ST_FLUSH_WINDOWS
  41. st %o7, [%o0 + (JB_PC * 4)]
  42. st %sp, [%o0 + (JB_SP * 4)]
  43. st %fp, [%o0 + (JB_FP * 4)]
  44. mov %o7, %g1
  45. call __sigjmp_save
  46. mov %g1, %o7
  47. .size __sigsetjmp,.-__sigsetjmp
  48. .weak _setjmp
  49. .weak setjmp