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| 1 | /* Copyright (C) 2005-2022 Free Software Foundation, Inc. |
|---|---|
| 2 | |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public License as |
| 7 | published by the Free Software Foundation; either version 2.1 of the |
| 8 | License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <https://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <setjmp.h> |
| 20 | #include <jmpbuf-offsets.h> |
| 21 | #include <stdint.h> |
| 22 | #include <unwind.h> |
| 23 | |
| 24 | /* Test if longjmp to JMPBUF would unwind the frame |
| 25 | containing a local variable at ADDRESS. */ |
| 26 | #define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \ |
| 27 | ((void *) (address) < (void *) demangle (jmpbuf[JB_SP])) |
| 28 | |
| 29 | #define _JMPBUF_CFA_UNWINDS_ADJ(jmpbuf, context, adj) \ |
| 30 | _JMPBUF_UNWINDS_ADJ (jmpbuf, (void *) (uintptr_t) _Unwind_GetCFA (context), \ |
| 31 | adj) |
| 32 | |
| 33 | #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \ |
| 34 | ((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj)) |
| 35 | |
| 36 | /* We use the normal longjmp for unwinding. */ |
| 37 | #define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val) |
| 38 |
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