jmpbuf-unwind.h 718 B

1234567891011121314151617181920212223
  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. /* Test if longjmp to JMPBUF would unwind the frame
  8. containing a local variable at ADDRESS. */
  9. #define _JMPBUF_UNWINDS(jmpbuf, address) \
  10. ((void *) (address) < (void *) (jmpbuf)[0].__regs[7])
  11. #ifdef __UCLIBC_HAS_THREADS_NATIVE__
  12. #include <stdint.h>
  13. #include <unwind.h>
  14. #define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
  15. _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
  16. #define _JMPBUF_UNWINDS_ADJ(jmpbuf, address, adj) \
  17. ((uintptr_t) (address) - (adj) < (uintptr_t) (jmpbuf)[0].__regs[7] - (adj))
  18. #endif