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      1 /*	$NetBSD: __sigsetjmp14.S,v 1.2 2008/04/28 20:22:55 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Matthew Fredette.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <machine/asm.h>
     33 
     34 #if defined(LIBC_SCCS) && !defined(lint)
     35 	RCSID("$NetBSD: __sigsetjmp14.S,v 1.2 2008/04/28 20:22:55 martin Exp $")
     36 #endif /* LIBC_SCCS and not lint */
     37 
     38 /*
     39  * C library -- sigsetjmp, siglongjmp
     40  *
     41  *	siglongjmp(a,v)
     42  * will generate a "return(v)" from
     43  * the last call to
     44  *	sigsetjmp(a,m)
     45  * by restoring registers from the stack,
     46  * The previous signal state is restored if 'm' was non-zero.
     47  */
     48 
     49 /* grab _JBLEN */
     50 #include <machine/setjmp.h>
     51 
     52 ENTRY(__sigsetjmp14,0)
     53 	stw	%arg1, (_JBLEN * 4)(%arg0)	; save mask at end of area
     54 	add,<>	%r0, %arg0, %r0
     55 	b,n	_setjmp
     56 	b,n	__setjmp14
     57 EXIT(__sigsetjmp14)
     58 
     59 
     60 ENTRY(__siglongjmp14,0)
     61 	ldw	(_JBLEN * 4)(%arg0), %r1
     62 	add,<>	%r0, %r1, %r0
     63 	b,n	_longjmp
     64 	b,n	__longjmp14
     65 EXIT(__siglongjmp14)
     66 
     67 	.end
     68