netbsd/lib/libc/arch/aarch64/gen/sigsetjmp.S
2015-10-15 10:25:28 +02:00

53 lines
2.0 KiB
ArmAsm

/* $NetBSD: sigsetjmp.S,v 1.1 2014/08/10 05:47:36 matt Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <machine/asm.h>
#include "assym.h"
#if (_JB_MAGIC_AARCH64__SETJMP ^ _JB_MAGIC_AARCH64_SETJMP) != 1
#error _JB_MAGIC botch
#endif
/* LINTSTUB: int __sigsetjmp14(sigjmp_buf *, int); */
ENTRY(__sigsetjmp14)
cbnz w1, _C_LABEL(__setjmp14)
b _C_LABEL(_setjmp)
END(__sigsetjmp14)
/* LINTSTUB: int __sigsetlong14(sigjmp_buf *, int); */
ENTRY(__siglongjmp14)
ldr x3, [x0, #_JB_MAGIC]
tbz x3, #0, _C_LABEL(__longjmp14)
b _C_LABEL(_longjmp)
END(__siglongjmp14)