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 
7 #include <setjmp.h>
8 
9 /* Test if longjmp to JMPBUF would unwind the frame
10    containing a local variable at ADDRESS.  */
11 #define _JMPBUF_UNWINDS(jmpbuf, address) \
12   ((void *) (address) < (void *) (jmpbuf)[0].__regs[7])
13 
14 #ifdef __UCLIBC_HAS_THREADS_NATIVE__
15 #include <stdint.h>
16 #include <unwind.h>
17 
18 #define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
19   _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
20 
21 #define _JMPBUF_UNWINDS_ADJ(jmpbuf, address, adj) \
22   ((uintptr_t) (address) - (adj) < (uintptr_t) (jmpbuf)[0].__regs[7] - (adj))
23 #endif
24