| /* Copyright (C) 2005-2018 Free Software Foundation, Inc. |
| |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public License as |
| published by the Free Software Foundation; either version 2.1 of the |
| License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <setjmp.h> |
| #include <jmpbuf-offsets.h> |
| #include <stdint.h> |
| #include <unwind.h> |
| |
| /* Test if longjmp to JMPBUF would unwind the frame |
| containing a local variable at ADDRESS. */ |
| #define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \ |
| ((void *) (address) < (void *) demangle (jmpbuf[JB_SP])) |
| |
| #define _JMPBUF_CFA_UNWINDS_ADJ(jmpbuf, context, adj) \ |
| _JMPBUF_UNWINDS_ADJ (jmpbuf, (void *) (uintptr_t) _Unwind_GetCFA (context), \ |
| adj) |
| |
| #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \ |
| ((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj)) |
| |
| /* We use the normal longjmp for unwinding. */ |
| #define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val) |