| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 2005,2006 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, write to the Free |
| 16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 17 | 02111-1307 USA. */ |
| 18 | |
| 19 | #include <setjmp.h> |
| 20 | #include <stdint.h> |
| 21 | #include <unwind.h> |
| 22 | |
| 23 | /* Test if longjmp to JMPBUF would unwind the frame |
| 24 | containing a local variable at ADDRESS. */ |
| 25 | #undef _JMPBUF_UNWINDS |
| 26 | #define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \ |
| 27 | ((void *) (address) < (void *) demangle (jmpbuf[__JMP_BUF_SP])) |
| 28 | |
| 29 | #define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \ |
| 30 | _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj) |
| 31 | |
| 32 | #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \ |
| 33 | ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[__JMP_BUF_SP] - (_adj)) |
| 34 | |
| 35 | /* We use the normal longjmp for unwinding. */ |
| 36 | #define __libc_unwind_longjmp(buf, val) longjmp (buf, val) |