jmpbuf-unwind.h 845 B

12345678910111213141516171819202122232425262728
  1. /*
  2. * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
  3. *
  4. * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  5. */
  6. #include <setjmp.h>
  7. #include <jmpbuf-offsets.h>
  8. /* Test if longjmp to JMPBUF would unwind the frame
  9. containing a local variable at ADDRESS. */
  10. #define _JMPBUF_UNWINDS(jmpbuf, address) \
  11. ((unsigned long int) (address) \
  12. < (jmpbuf)->__uc_mcontext.__mc_gregs[MC_O6] + 2047)
  13. #ifdef __UCLIBC_HAS_THREADS_NATIVE__
  14. #include <setjmp.h>
  15. #include <stdint.h>
  16. #include <unwind.h>
  17. #define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
  18. _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
  19. #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
  20. ((uintptr_t) (_address) - (_adj) \
  21. < (uintptr_t) (_jmpbuf)[0].__uc_mcontext.__mc_gregs[MC_O6] + 2047 - (_adj))
  22. #endif