summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/metag/jmpbuf-unwind.h
blob: 175cd7ab0c35419aacc4743bb5a00fadf9276131 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
/*
 * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 */

#include <setjmp.h>

/* Test if longjmp to JMPBUF would unwind the frame
   containing a local variable at ADDRESS.  */
#undef _JMPBUF_UNWINDS
#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
  ((void *) (address) > (void *) demangle (jmpbuf[JB_SP]))

#ifdef __UCLIBC_HAS_THREADS_NATIVE__
#include <stdint.h>
#include <unwind.h>

#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)

#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
  ((uintptr_t) (_address) - (_adj) > (uintptr_t) (_jmpbuf)[JB_SP] - (_adj))
#endif