mirror of
				https://sourceware.org/git/glibc.git
				synced 2025-10-28 23:34:53 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			37 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright (C) 2005-2013 Free Software Foundation, Inc.
 | |
|    This file is part of the GNU C Library.
 | |
|    Contributed by David S. Miller <davem@davemloft.net>, 2005.
 | |
| 
 | |
|    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 <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)			\
 | |
|   ((unsigned long int) (address) < (jmpbuf)->uc_mcontext.mc_gregs[MC_O6] + 2047)
 | |
| 
 | |
| #define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
 | |
|   _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
 | |
| 
 | |
| #define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
 | |
|   ((uintptr_t) (_address) - (_adj) \
 | |
|    < (uintptr_t) (_jmpbuf)[0].uc_mcontext.mc_gregs[MC_O6] + 2047 - (_adj))
 | |
| 
 | |
| /* We use the normal lobngjmp for unwinding.  */
 | |
| #define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
 |