[thirdparty/glibc.git] / ports / sysdeps / arm / bsd-_setjmp.S

/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'.  ARM version.
   Copyright (C) 1997, 1998, 2002, 2008 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/>.  */

/* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
   We cannot do it in C because it must be a tail-call, so frame-unwinding
   in setjmp doesn't clobber the state restored by longjmp.  */

#include <sysdep.h>

ENTRY (_setjmp)
	mov	r1, #0
	b	PLTJMP(HIDDEN_JUMPTARGET(__sigsetjmp))
END (_setjmp)
libc_hidden_def (_setjmp)
Commit	Line	Data
d80b3f3c	1	/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. ARM version.
5de92c17	2	Copyright (C) 1997, 1998, 2002, 2008 Free Software Foundation, Inc.
d80b3f3c UD	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
3214b89b AJ	6	modify it under the terms of the GNU Lesser General Public
	7	License as published by the Free Software Foundation; either
	8	version 2.1 of the License, or (at your option) any later version.
d80b3f3c UD	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
3214b89b	13	Lesser General Public License for more details.
d80b3f3c	14
3214b89b	15	You should have received a copy of the GNU Lesser General Public
ab84e3ff PE	16	License along with the GNU C Library. If not, see
ab84e3ff PE	17	<http://www.gnu.org/licenses/>. */
d80b3f3c UD	18
	19	/* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
	20	We cannot do it in C because it must be a tail-call, so frame-unwinding
	21	in setjmp doesn't clobber the state restored by longjmp. */
	22
	23	#include <sysdep.h>
	24
	25	ENTRY (_setjmp)
	26	mov r1, #0
5de92c17	27	b PLTJMP(HIDDEN_JUMPTARGET(__sigsetjmp))
d80b3f3c	28	END (_setjmp)
db160231	29	libc_hidden_def (_setjmp)