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__sigsetjmp14.S revision 1.1 
      1 /*	$NetBSD: __sigsetjmp14.S,v 1.1 2002/06/06 20:31:21 fredette 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *      This product includes software developed by the NetBSD
     21  *      Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <machine/asm.h>
     40 
     41 #if defined(LIBC_SCCS) && !defined(lint)
     42 	RCSID("$NetBSD: __sigsetjmp14.S,v 1.1 2002/06/06 20:31:21 fredette Exp $")
     43 #endif /* LIBC_SCCS and not lint */
     44 
     45 /*
     46  * C library -- sigsetjmp, siglongjmp
     47  *
     48  *	siglongjmp(a,v)
     49  * will generate a "return(v)" from
     50  * the last call to
     51  *	sigsetjmp(a,m)
     52  * by restoring registers from the stack,
     53  * The previous signal state is restored if 'm' was non-zero.
     54  */
     55 
     56 /* grab _JBLEN */
     57 #include <machine/setjmp.h>
     58 
     59 ENTRY(__sigsetjmp14,0)
     60 	stw	%arg1, (_JBLEN * 4)(%arg0)	; save mask at end of area
     61 	add,<>	%r0, %arg0, %r0
     62 	b,n	_setjmp
     63 	b,n	__setjmp14
     64 EXIT(__sigsetjmp14)
     65 
     66 
     67 ENTRY(__siglongjmp14,0)
     68 	ldw	(_JBLEN * 4)(%arg0), %r1
     69 	add,<>	%r0, %r1, %r0
     70 	b,n	_longjmp
     71 	b,n	__longjmp14
     72 EXIT(__siglongjmp14)
     73 
     74 	.end
     75