__longjmp.S 1.2 KB

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  1. /* Copyright (C) 1997-2017 Free Software Foundation, Inc.
  2. Contributed by Richard Henderson (rth@tamu.edu).
  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. /* Offsets into the jmp_buf structure. */
  16. #define O_mask_was_saved 512
  17. #define O_gregs 32
  18. #define O_g1 (O_gregs + 4*8)
  19. ENTRY(__longjmp)
  20. /* Modify the context with the value we want to return. */
  21. movre %o1, 1, %o1
  22. stx %o1, [%o0 + O_g1]
  23. /* Let setcontext know if we want to modify the current sigmask. */
  24. ld [%o0 + O_mask_was_saved], %o1
  25. /* And bamf back to where we belong! */
  26. ta 0x6f
  27. END(__longjmp)
  28. libc_hidden_def (__longjmp)