[thirdparty/glibc.git] / sysdeps / aarch64 / jmpbuf-unwind.h

/* Copyright (C) 2005-2015 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 *) _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)
Commit	Line	Data
b168057a	1	/* Copyright (C) 2005-2015 Free Software Foundation, Inc.
554066b8 MS	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	<http://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 *) _Unwind_GetCFA (context), adj)
	31
554066b8 MS	32	#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
	33	((uintptr_t) (_address) - (_adj) < _jmpbuf_sp (_jmpbuf) - (_adj))
	34
	35	/* We use the normal longjmp for unwinding. */
	36	#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)