1*2fe8fb19SBen Gras/* $NetBSD: compat_sigsetjmp.S,v 1.1 2006/03/09 16:20:55 christos Exp $ */ 2*2fe8fb19SBen Gras 3*2fe8fb19SBen Gras/*- 4*2fe8fb19SBen Gras * Copyright (c) 1990 The Regents of the University of California. 5*2fe8fb19SBen Gras * All rights reserved. 6*2fe8fb19SBen Gras * 7*2fe8fb19SBen Gras * This code is derived from software contributed to Berkeley by 8*2fe8fb19SBen Gras * the Systems Programming Group of the University of Utah Computer 9*2fe8fb19SBen Gras * Science Department. 10*2fe8fb19SBen Gras * 11*2fe8fb19SBen Gras * Redistribution and use in source and binary forms, with or without 12*2fe8fb19SBen Gras * modification, are permitted provided that the following conditions 13*2fe8fb19SBen Gras * are met: 14*2fe8fb19SBen Gras * 1. Redistributions of source code must retain the above copyright 15*2fe8fb19SBen Gras * notice, this list of conditions and the following disclaimer. 16*2fe8fb19SBen Gras * 2. Redistributions in binary form must reproduce the above copyright 17*2fe8fb19SBen Gras * notice, this list of conditions and the following disclaimer in the 18*2fe8fb19SBen Gras * documentation and/or other materials provided with the distribution. 19*2fe8fb19SBen Gras * 3. Neither the name of the University nor the names of its contributors 20*2fe8fb19SBen Gras * may be used to endorse or promote products derived from this software 21*2fe8fb19SBen Gras * without specific prior written permission. 22*2fe8fb19SBen Gras * 23*2fe8fb19SBen Gras * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24*2fe8fb19SBen Gras * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25*2fe8fb19SBen Gras * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26*2fe8fb19SBen Gras * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27*2fe8fb19SBen Gras * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28*2fe8fb19SBen Gras * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29*2fe8fb19SBen Gras * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30*2fe8fb19SBen Gras * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31*2fe8fb19SBen Gras * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32*2fe8fb19SBen Gras * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33*2fe8fb19SBen Gras * SUCH DAMAGE. 34*2fe8fb19SBen Gras */ 35*2fe8fb19SBen Gras 36*2fe8fb19SBen Gras#include <machine/asm.h> 37*2fe8fb19SBen Gras 38*2fe8fb19SBen Gras#if defined(LIBC_SCCS) && !defined(lint) 39*2fe8fb19SBen Gras#if 0 40*2fe8fb19SBen Gras RCSID("from: @(#)_setjmp.s 5.1 (Berkeley) 5/12/90") 41*2fe8fb19SBen Gras#else 42*2fe8fb19SBen Gras RCSID("$NetBSD: compat_sigsetjmp.S,v 1.1 2006/03/09 16:20:55 christos Exp $") 43*2fe8fb19SBen Gras#endif 44*2fe8fb19SBen Gras#endif /* LIBC_SCCS and not lint */ 45*2fe8fb19SBen Gras 46*2fe8fb19SBen Gras/* 47*2fe8fb19SBen Gras * C library -- sigsetjmp, siglongjmp 48*2fe8fb19SBen Gras * 49*2fe8fb19SBen Gras * siglongjmp(a,v) 50*2fe8fb19SBen Gras * will generate a "return(v)" from 51*2fe8fb19SBen Gras * the last call to 52*2fe8fb19SBen Gras * sigsetjmp(a,m) 53*2fe8fb19SBen Gras * by restoring registers from the stack, 54*2fe8fb19SBen Gras * The previous signal state is restored if 'm' was non-zero. 55*2fe8fb19SBen Gras */ 56*2fe8fb19SBen Gras 57*2fe8fb19SBen Gras/* grab _JBLEN */ 58*2fe8fb19SBen Gras#include <m68k/setjmp.h> 59*2fe8fb19SBen Gras 60*2fe8fb19SBen GrasENTRY(sigsetjmp) 61*2fe8fb19SBen Gras movl %sp@(8),%d1 /* grab the mask */ 62*2fe8fb19SBen Gras movl %sp@(4),%a0 /* grab the area pointer */ 63*2fe8fb19SBen Gras movl %d1,%a0@(_JBLEN * 4 ) /* save at end of area */ 64*2fe8fb19SBen Gras tstl %d1 65*2fe8fb19SBen Gras bne dosig 66*2fe8fb19SBen Gras jra PIC_PLT(_C_LABEL(_setjmp)) 67*2fe8fb19SBen Grasdosig: 68*2fe8fb19SBen Gras jra PIC_PLT(_C_LABEL(setjmp)) 69*2fe8fb19SBen Gras 70*2fe8fb19SBen Gras 71*2fe8fb19SBen GrasENTRY(siglongjmp) 72*2fe8fb19SBen Gras movl %sp@(4),%a0 /* save area pointer */ 73*2fe8fb19SBen Gras tstl %a0@(_JBLEN * 4) /* check mask... */ 74*2fe8fb19SBen Gras bne didsig 75*2fe8fb19SBen Gras jra PIC_PLT(_C_LABEL(_longjmp)) 76*2fe8fb19SBen Grasdidsig: 77*2fe8fb19SBen Gras jra PIC_PLT(_C_LABEL(longjmp)) 78