libc/sysdeps/linux/csky/jmpbuf-unwind.h

   1 /*
   2  * Copyright (C) 2017 Hangzhou C-SKY Microsystems co.,ltd.
   3  *
   4  * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB
   5  * in this tarball.
   6  */
   7
   8 #include <setjmp.h>
   9 #include <stdint.h>
  10 #include <unwind.h>
  11
  12 /* Test if longjmp to JMPBUF would unwind the frame
  13    containing a local variable at ADDRESS.  */
  14 #define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
  15   ((void *) (address) < (void *) demangle (jmpbuf[0].__sp))
  16
  17 #define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
  18   _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
  19
  20 #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
  21   ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf[0].__sp) - (_adj))
  22