1 /* Copyright (C) 2005-2022 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #include <setjmp.h> 19 #include <stdint.h> 20 #include <unwind.h> 21 22 /* Test if longjmp to JMPBUF would unwind the frame 23 containing a local variable at ADDRESS. */ 24 #define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \ 25 ((unsigned long int) (address) \ 26 < (jmpbuf)->__uc_mcontext.__mc_gregs[MC_O6] + 2047) 27 28 #define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \ 29 _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj) 30 31 #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \ 32 ((uintptr_t) (_address) - (_adj) \ 33 < (uintptr_t) (_jmpbuf)[0].__uc_mcontext.__mc_gregs[MC_O6] + 2047 - (_adj)) 34 35 /* We use the normal lobngjmp for unwinding. */ 36 #define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val) 37