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      1  1.10      matt /*	$NetBSD: sigsetjmp.S,v 1.10 2013/07/16 22:12:20 matt Exp $	*/
      2   1.2   thorpej 
      3   1.1    briggs /*-
      4   1.1    briggs  * Copyright (c) 1990 The Regents of the University of California.
      5   1.1    briggs  * All rights reserved.
      6   1.1    briggs  *
      7   1.1    briggs  * This code is derived from software contributed to Berkeley by
      8   1.1    briggs  * the Systems Programming Group of the University of Utah Computer
      9   1.1    briggs  * Science Department.
     10   1.1    briggs  *
     11   1.1    briggs  * Redistribution and use in source and binary forms, with or without
     12   1.1    briggs  * modification, are permitted provided that the following conditions
     13   1.1    briggs  * are met:
     14   1.1    briggs  * 1. Redistributions of source code must retain the above copyright
     15   1.1    briggs  *    notice, this list of conditions and the following disclaimer.
     16   1.1    briggs  * 2. Redistributions in binary form must reproduce the above copyright
     17   1.1    briggs  *    notice, this list of conditions and the following disclaimer in the
     18   1.1    briggs  *    documentation and/or other materials provided with the distribution.
     19   1.7       agc  * 3. Neither the name of the University nor the names of its contributors
     20   1.1    briggs  *    may be used to endorse or promote products derived from this software
     21   1.1    briggs  *    without specific prior written permission.
     22   1.1    briggs  *
     23   1.1    briggs  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24   1.1    briggs  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25   1.1    briggs  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26   1.1    briggs  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27   1.1    briggs  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28   1.1    briggs  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29   1.1    briggs  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30   1.1    briggs  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31   1.1    briggs  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32   1.1    briggs  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33   1.1    briggs  * SUCH DAMAGE.
     34   1.1    briggs  */
     35   1.1    briggs 
     36   1.3   thorpej #include <machine/asm.h>
     37   1.2   thorpej 
     38   1.1    briggs #if defined(LIBC_SCCS) && !defined(lint)
     39   1.2   thorpej #if 0
     40   1.2   thorpej 	RCSID("from: @(#)_setjmp.s	5.1 (Berkeley) 5/12/90")
     41   1.2   thorpej #else
     42  1.10      matt 	RCSID("$NetBSD: sigsetjmp.S,v 1.10 2013/07/16 22:12:20 matt Exp $")
     43   1.2   thorpej #endif
     44   1.1    briggs #endif /* LIBC_SCCS and not lint */
     45   1.1    briggs 
     46   1.1    briggs /*
     47   1.1    briggs  * C library -- sigsetjmp, siglongjmp
     48   1.1    briggs  *
     49   1.1    briggs  *	siglongjmp(a,v)
     50   1.1    briggs  * will generate a "return(v)" from
     51   1.1    briggs  * the last call to
     52   1.1    briggs  *	sigsetjmp(a,m)
     53   1.1    briggs  * by restoring registers from the stack,
     54   1.1    briggs  * The previous signal state is restored if 'm' was non-zero.
     55   1.1    briggs  */
     56   1.1    briggs 
     57   1.1    briggs /* grab _JBLEN */
     58   1.1    briggs #include <m68k/setjmp.h>
     59   1.1    briggs 
     60   1.8  christos ENTRY(__sigsetjmp14)
     61   1.9      matt 	movl	8(%sp),%d1	/* grab the mask */
     62   1.9      matt         movl	4(%sp),%a0	/* grab the area pointer */
     63   1.9      matt 	movl	%d1,(_JBLEN * 4)(%a0)	/* save at end of area */
     64   1.6   thorpej 	tstl	%d1
     65   1.1    briggs 	bne	dosig
     66   1.5     itohy 	jra	PIC_PLT(_C_LABEL(_setjmp))
     67   1.1    briggs dosig:
     68   1.8  christos 	jra	PIC_PLT(_C_LABEL(__setjmp14))
     69  1.10      matt END(__sigsetjmp14)
     70   1.1    briggs 
     71   1.1    briggs 
     72   1.8  christos ENTRY(__siglongjmp14)
     73   1.9      matt 	movl	4(%sp),%a0	/* save area pointer */
     74   1.9      matt 	tstl	(_JBLEN * 4)(%a0) /* check mask... */
     75   1.1    briggs 	bne	didsig
     76   1.5     itohy 	jra	PIC_PLT(_C_LABEL(_longjmp))
     77   1.1    briggs didsig:
     78   1.8  christos 	jra	PIC_PLT(_C_LABEL(__longjmp14))
     79  1.10      matt END(__siglongjmp14)
     80