78 lines
2.7 KiB
ArmAsm
78 lines
2.7 KiB
ArmAsm
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/* $NetBSD: compat_sigsetjmp.S,v 1.1 2006/03/09 16:20:55 christos Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* the Systems Programming Group of the University of Utah Computer
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* Science Department.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <machine/asm.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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#if 0
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RCSID("from: @(#)_setjmp.s 5.1 (Berkeley) 5/12/90")
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#else
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RCSID("$NetBSD: compat_sigsetjmp.S,v 1.1 2006/03/09 16:20:55 christos Exp $")
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#endif
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#endif /* LIBC_SCCS and not lint */
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/*
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* C library -- sigsetjmp, siglongjmp
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*
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* siglongjmp(a,v)
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* will generate a "return(v)" from
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* the last call to
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* sigsetjmp(a,m)
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* by restoring registers from the stack,
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* The previous signal state is restored if 'm' was non-zero.
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*/
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/* grab _JBLEN */
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#include <m68k/setjmp.h>
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ENTRY(sigsetjmp)
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movl %sp@(8),%d1 /* grab the mask */
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movl %sp@(4),%a0 /* grab the area pointer */
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movl %d1,%a0@(_JBLEN * 4 ) /* save at end of area */
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tstl %d1
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bne dosig
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jra PIC_PLT(_C_LABEL(_setjmp))
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dosig:
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jra PIC_PLT(_C_LABEL(setjmp))
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ENTRY(siglongjmp)
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movl %sp@(4),%a0 /* save area pointer */
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tstl %a0@(_JBLEN * 4) /* check mask... */
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bne didsig
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jra PIC_PLT(_C_LABEL(_longjmp))
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didsig:
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jra PIC_PLT(_C_LABEL(longjmp))
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